CN210394448U

CN210394448U - Heat treatment quenching device with waste heat utilization function

Info

Publication number: CN210394448U
Application number: CN201921495389.6U
Authority: CN
Inventors: 吴仁俊
Original assignee: Yangzhou Zhuyou Heat Treatment Co ltd
Current assignee: Yangzhou Zhuyou Heat Treatment Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-04-24
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a heat treatment guenching unit with waste heat utilization function, include the workstation, install the supporting leg in four corners in the workstation bottom, heating cabinet, hot plate and cooling bath, the top fixedly connected with preheating cabinet of workstation. The utility model discloses in, at first, open the draught fan, through the air suction dish, the steel sheet after the waste heat volume that gives off the heating cabinet surface and the heating drops into the leading-in preheating tank of steam waste heat that produces in the cooling bath, thereby preheat the steel sheet of preheating tank inside, make the speed that the steel sheet drops into the heating tank internal heating faster, thereby the energy utilization of thermal treatment guenching unit has been promoted, secondly, promote the steel sheet to the heating cabinet inside through electric telescopic handle, drive the rotation of driving disc through driving motor, promote the steel sheet to the right side, make the steel sheet slide in the cooling bath and cool down, thereby the automation performance of thermal treatment guenching unit has been promoted.

Description

Heat treatment quenching device with waste heat utilization function

Technical Field

The utility model relates to the technical field of quenching, especially, relate to a thermal treatment guenching unit with waste heat utilization function.

Background

The quenching of the steel is a heat treatment process of heating the steel to a temperature above a critical temperature Ac3 or Ac1, preserving heat for a period of time to make the steel become fully or partially austenitized, and then rapidly cooling the steel to below Ms at a cooling speed higher than a critical cooling speed to perform martensite transformation. Surface quenching is a method of localized quenching in which the surface layer of a steel member is quenched to a certain depth while the core portion remains in an unquenched state. During surface quenching, the surface of the steel part is quickly heated to the quenching temperature, and the steel part is immediately cooled when the heat does not reach the center of the workpiece, so that local quenching is realized.

However, the existing heat treatment quenching device still has the defects that: firstly, most of the existing heat treatment quenching devices are not provided with a waste heat utilization function, so that energy is wasted, the utilization rate of the energy is poor, secondly, most of the existing heat treatment quenching devices are manually realized, however, the indoor temperature of the heat processing is very high, the full manual operation physical consumption is too high, the sunstroke of operators is caused, and the automation performance of the heat treatment quenching devices is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the heat treatment quenching device with the waste heat utilization function is provided for solving the problems of poor energy utilization rate and poor automation performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heat treatment guenching unit with waste heat utilization function, includes the workstation, installs the supporting leg at four corners in workstation bottom, heating cabinet, hot plate and cooling bath, the top fixedly connected with preheating cabinet of workstation, and the lateral wall of preheating cabinet is hollow structure's preheating bath to the blast pipe with preheating bath intercommunication is installed to the preceding terminal surface of preheating cabinet, the case lid is installed at the top of preheating cabinet, the top of workstation is located the left side of preheating cabinet and installs electric telescopic handle, the top of workstation is located the right side fixedly connected with heating cabinet of preheating cabinet, two sets of hot plates are installed to the inboard of heating cabinet, and have the clearance between adding two sets of hot plates.

As a further description of the above technical solution:

and the top of the heating box is provided with an induced draft fan, and the output end of the induced draft fan is communicated with the preheating groove in the preheating box through an air guide pipe.

As a further description of the above technical solution:

the input end of the draught fan is communicated with an air suction disc.

As a further description of the above technical solution:

and driving motors are arranged on the front end face and the rear end face of the heating box, and a transmission disc penetrating through the heating box is arranged on the outer end face of an output shaft of each driving motor.

As a further description of the above technical solution:

and the bottoms of the side end surfaces of the preheating box and the heating box are respectively provided with a first through hole and a second through hole.

As a further description of the above technical solution:

control switch is installed to the preceding terminal surface of workstation, and control switch's output is connected in electric telescopic handle, driving motor and draught fan respectively, the bottom right side of workstation is provided with the cooling bath.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, open the draught fan, through the air suction dish, the steel sheet after the waste heat volume that gives off the heating cabinet surface and the heating drops into the leading-in preheating tank of steam waste heat that produces in the cooling bath, thereby increase the temperature of preheating cabinet lateral wall, thereby preheat the inside steel sheet of preheating cabinet, make the speed that the steel sheet drops into the heating cabinet internal heating faster, realized the utilization to the waste heat from this, thereby promoted heat treatment guenching unit's energy utilization.

2. The utility model discloses in, promote to the heating cabinet inside through electric telescopic handle with the steel sheet in the preheating cabinet, setting through first through-hole and second through-hole, make only through a steel sheet at every turn, the steel sheet pushes between two sets of hot plates of heating cabinet inboard, rotation through driving motor, drive the rotation of driving disc, thereby promote to the right side with the steel sheet between two sets of hot plates, make the inside of steel sheet roll-off heating cabinet, carry out cooling in the sliding cooling pond, thereby accomplished the surface hardening to the steel sheet, thereby the automation performance of thermal treatment guenching unit has been promoted.

Drawings

FIG. 1 is a schematic structural view of a thermal quenching apparatus with waste heat utilization function according to the present invention;

fig. 2 is a schematic view of a cross-sectional view of the present invention.

Illustration of the drawings:

1. a work table; 2. supporting legs; 3. a control switch; 4. a preheating box; 5. an exhaust pipe; 6. an electric telescopic rod; 7. an air guide pipe; 8. an induced draft fan; 9. a suction plate; 10. a heating box; 11. a drive motor; 12. a drive plate; 13. a cooling pool; 14. a first through hole; 15. a preheating tank; 16. a second through hole; 17. heating plates; 18. and a box cover.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a heat treatment quenching device with waste heat utilization function comprises a workbench 1, supporting legs 2 arranged at four corners at the bottom of the workbench 1, a heating box 10, a heating plate 17 and a cooling pool 13, wherein the top of the workbench 1 is fixedly connected with a preheating box 4, the side wall of the preheating box 4 is a preheating groove 15 with a hollow structure, an exhaust pipe 5 communicated with a preheating groove 15 is arranged on the front end face of the preheating box 4, a box cover 18 is arranged on the top of the preheating box 4, an electric telescopic rod 6 is arranged on the top of the workbench 1 on the left side of the preheating box 4, a heating box 10 is fixedly connected on the top of the workbench 1 on the right side of the preheating box 4, two groups of heating plates 17 are arranged on the inner side of the heating box 10, and a gap is formed between the two groups of heating plates 17, by stacking the steel plates to be surface-quenched on the inner side of the preheating box 4, the steel plates in the preheating box 4 are pushed to the right by the electric telescopic rod 6 to the position between the two groups of heating plates 17 inside the heating box 10 for heating.

Specifically, as shown in fig. 1 and 2, an induced draft fan 8 is installed at the top of the heating box 10, the output end of the induced draft fan 8 is communicated with a preheating groove 15 inside the preheating box 4 through an air guide pipe 7, the input end of the induced draft fan 8 is communicated with an air suction disc 9, under the action of the induced draft fan 8, the waste heat generated by the heating box 10 and the steam waste heat generated by the steel plate in the cooling pool 13 are absorbed by the air suction disc 9, the waste heat is poured into the preheating groove 15 through the air guide pipe 7, and the steel plate in the preheating box 4 is preheated.

Specifically, as shown in fig. 1, driving motors 11 are installed on front and rear end faces of the heating box 10, driving discs 12 penetrating through the heating box 10 are installed on outer end faces of output shafts of the driving motors 11, the driving discs 12 are driven by the driving motors 11 to rotate, and a steel plate located between the two groups of driving discs 12 is driven to the right side to the outer side of the preheating box 4.

Specifically, as shown in fig. 2, the bottom of the side end surfaces of the preheating box 4 and the heating box 10 are respectively provided with a first through hole 14 and a second through hole 16, and through the arrangement of the first through hole 14 and the second through hole 16, the electric telescopic rod 6 can only push out one steel plate to the right at a time, and only one steel plate can be conveyed into the heating box 10 at a time.

Specifically, as shown in fig. 1, control switch 3 is installed to the preceding terminal surface of workstation 1, and control switch 3's output is connected in electric telescopic handle 6, driving motor 11 and draught fan 8 respectively, and the bottom right side of workstation 1 is provided with cooling tank 13, controls electric telescopic handle 6, driving motor 11 and draught fan 8's switch through control switch 3, cools down through cooling tank 13 to the steel sheet after the heating.

The working principle is as follows: when the device is used, the electric telescopic rod 6 is controlled to be pulled to the right side through the control switch 3, the bottommost steel plate stacked in the preheating box 4 is pushed to the right side through the first through hole 14, the steel plate is guided into the heating box 10 through the second through hole 16, the driving motor 11 is controlled to be opened through the control switch 3, the driving motor 11 drives the driving discs 12 to rotate, so that the steel plate between the two groups of driving discs 12 is guided out of the heating box 10 to the right side through the second through hole 16, at the moment, the steel plate falls into the cooling pool 13 under the action of gravity for cooling, meanwhile, the temperature of the side wall of the preheating box 4 is raised through the work of the draught fan 8, so that the waste heat on the surface of the heating box 10 and the steam generated by the steel plate in the cooling pool 13 are poured into the preheating groove 15 in the preheating box 4 through the air suction disc 9, and the temperature of the side wall of the preheating box 4 is raised, thereby increasing the utilization rate of the energy of the device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A heat treatment quenching device with a waste heat utilization function comprises a workbench (1), supporting legs (2) arranged at four corners of the bottom of the workbench (1), a heating box (10), heating plates (17) and a cooling pool (13), and is characterized in that the top of the workbench (1) is fixedly connected with a preheating box (4), the side wall of the preheating box (4) is a preheating groove (15) with a hollow structure, an exhaust pipe (5) communicated with the preheating groove (15) is arranged on the front end face of the preheating box (4), a box cover (18) is arranged at the top of the preheating box (4), an electric telescopic rod (6) is arranged at the left side of the preheating box (4) at the top of the workbench (1), the heating box (10) is fixedly connected at the right side of the preheating box (4) at the top of the workbench (1), and two groups of heating plates (17) are arranged on the inner side of the heating box (10), and a gap is reserved between the two groups of heating plates (17).

2. The heat treatment quenching device with the waste heat utilization function according to claim 1, wherein an induced draft fan (8) is installed at the top of the heating box (10), and the output end of the induced draft fan (8) is communicated with a preheating groove (15) in the preheating box (4) through an air guide pipe (7).

3. The heat treatment quenching device with the waste heat utilization function according to claim 2, wherein the input end of the induced draft fan (8) is communicated with an air suction disc (9).

4. The thermal treatment quenching device with the waste heat utilization function according to claim 1, wherein the front end face and the rear end face of the heating box (10) are respectively provided with a driving motor (11), and the outer end face of an output shaft of the driving motor (11) is provided with a transmission disc (12) penetrating through the heating box (10).

5. The heat treatment quenching device with the residual heat utilization function according to claim 1, wherein the bottom of the side end surfaces of the preheating tank (4) and the heating tank (10) are respectively provided with a first through hole (14) and a second through hole (16).

6. The heat treatment quenching device with the waste heat utilization function according to claim 1, wherein a control switch (3) is installed on the front end face of the workbench (1), the output end of the control switch (3) is connected with an electric telescopic rod (6), a driving motor (11) and an induced draft fan (8) respectively, and a cooling pool (13) is arranged on the right side of the bottom of the workbench (1).