CN219603634U

CN219603634U - Three-sided guenching unit of cylinder

Info

Publication number: CN219603634U
Application number: CN202320719611.6U
Authority: CN
Inventors: 陈风海; 郭华楼; 岳强; 焦建波
Original assignee: Xingtai Roller Profile Co ltd; Sinosteel Xingtai Machinery and Mill Roll Co Ltd
Current assignee: Xingtai Roller Profile Co ltd; Sinosteel Xingtai Machinery and Mill Roll Co Ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-29
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a cylindrical three-sided quenching device, which belongs to the technical field of horizontal roller rings for rolling profile steel, and comprises a rotary platform and a supporting pad arranged between the rotary platform and a quenched workpiece; a plurality of table fans are arranged around the rotary platform; an end face spraying mechanism is arranged on the side face of the rotary platform; the end face spraying mechanism comprises an upper water spray nozzle, a middle water spray nozzle, a lower water spray nozzle, a nozzle bracket and a travelling trolley; the middle water mist spray head is arranged on one side of the outer circular surface of the quenching workpiece through a first bracket, the upper water mist spray head is arranged above the upper end surface of the quenching workpiece through a second bracket, and the lower water mist spray head is arranged below the lower end surface of the quenching workpiece through a third bracket. The horizontal roll collar can realize simultaneous quenching of the upper end face, the lower end face and the outer circle three faces of the horizontal roll collar for rolling the section steel.

Description

Three-sided guenching unit of cylinder

Technical Field

The utility model relates to the technical field of horizontal roller rings for rolling profile steel, in particular to a cylinder three-face quenching device.

Background

The quenching mode of the horizontal roller ring of the early-stage section steel is integral quenching, the quenching medium is quenching oil, and the quenching oil pollutes the environment along with environmental protection treatment, so that the quenching oil does not accord with the environmental protection concept. Although the spray quenching process is developed to replace quenching oil, the spray quenching process can only sufficiently quench the outer circle of the product to ensure the hardness of the product, but the upper end surface and the lower end surface cannot be quenched and have lower hardness due to too slow cooling, so the spray quenching process cannot be used.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a cylinder three-face quenching device which can realize simultaneous quenching of the upper end face, the lower end face and the outer circle three face of a horizontal roll collar for rolling section steel.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a three-sided quenching device of a cylinder comprises a rotary platform and a supporting pad arranged between the rotary platform and a quenching workpiece; a plurality of table fans are arranged around the rotary platform; an end face spraying mechanism is arranged on the side face of the rotary platform; the end face spraying mechanism comprises an upper water spray nozzle, a middle water spray nozzle, a lower water spray nozzle, a nozzle bracket and a travelling trolley; the middle water mist spray head is arranged on one side of the outer circular surface of the quenching workpiece through a first bracket, the upper water mist spray head is arranged above the upper end surface of the quenching workpiece through a second bracket, and the lower water mist spray head is arranged below the lower end surface of the quenching workpiece through a third bracket.

The technical scheme of the utility model is further improved as follows: the first support is connected with the travelling car, the upper end point of first support is connected with second support endpoint fixed connection, the lower end point of first support is connected with the endpoint of third support.

The technical scheme of the utility model is further improved as follows: the upper water mist spray head is arranged at the end point of the second bracket close to the quenching workpiece.

The technical scheme of the utility model is further improved as follows: the lower water mist spray head is arranged at the end point of the third bracket close to the quenching workpiece.

The technical scheme of the utility model is further improved as follows: the movable trolley is provided with a water-air mixing box, and the water-air mixing box is connected with a high-pressure water pump and a high-pressure air pump.

The technical scheme of the utility model is further improved as follows: the first support, the second support and the third support are all telescopic structures.

The technical scheme of the utility model is further improved as follows: the expansion range of the first bracket is 200 mm-500 mm; the expansion and contraction range of the second bracket and the third bracket is 500 mm-1200 mm.

The technical scheme of the utility model is further improved as follows: the upper water spray nozzle, the middle water spray nozzle and the lower water spray nozzle are all straight-line nozzles, and nozzle openings are arranged along the radial direction of the workpiece; the upper water mist spray head, the middle water mist spray head and the lower water mist spray head are fixed on the bracket through buckles.

The technical scheme of the utility model is further improved as follows: the spraying mechanism is arranged in two.

By adopting the technical scheme, the utility model has the following technical progress:

the utility model can realize three-side simultaneous quenching, improves the working efficiency and solves the problem that the existing equipment cannot realize three-side simultaneous quenching.

Drawings

FIG. 1 is a schematic view of a three-sided quenching apparatus for cylinders in accordance with the present utility model;

the device comprises a rotating platform, a quenching workpiece, a supporting pad, a spraying mechanism, a middle water spray nozzle, a lower water spray nozzle, a moving trolley, a first support, a second support, a third support, a water-wind mixing box and a water-wind mixing box, wherein the rotating platform, the quenching workpiece, the spraying mechanism, the water-wind mixing box and the water-wind mixing box are arranged in sequence, the rotating platform, the quenching workpiece, the supporting pad, the spraying mechanism, the water-wind mixing box and the water-wind mixing box.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings and examples:

in the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" … …, etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," … … are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second" … … can explicitly or implicitly include at least one such feature. In the description of the present utility model, "a number" means at least two, for example, two, three, etc., unless explicitly specified otherwise.

As shown in fig. 1, a cylindrical three-sided quenching apparatus includes a rotary table 1 and a support pad 3 provided between the rotary table 1 and a quenched workpiece 2; a plurality of table fans are arranged around the rotary platform 1; an end face spraying mechanism 4 is arranged on the side face of the rotary platform 1; the end face spraying mechanism 4 comprises an upper water mist nozzle 41, a middle water mist nozzle 42, a lower water mist nozzle 43, a nozzle bracket and a movable trolley 44; the middle water mist spray head 42 is arranged on one side of the outer circular surface of the quenching workpiece 2 through a first bracket 45, the upper water mist spray head 41 is arranged above the upper end surface of the quenching workpiece 2 through a second bracket 46, and the lower water mist spray head 43 is arranged below the lower end surface of the quenching workpiece 2 through a third bracket 47; the first bracket 45 is connected with the mobile trolley 44, the upper end point of the first bracket 45 is fixedly connected with the end point of the second bracket 46, and the lower end point of the first bracket 45 is connected with the end point of the third bracket 47; the upper water mist head 41 is arranged at the end point of the second bracket 46 close to the quenching workpiece 2; the lower water mist head 43 is arranged at the end point of the third bracket 47 close to the quenching workpiece 2; the movable trolley 44 is provided with a water-air mixing box 48, and the water-air mixing box 48 is connected with a high-pressure water pump and a high-pressure air pump.

The first bracket 45, the second bracket 46 and the third bracket 47 are all telescopic structures; the expansion and contraction range of the first bracket 45 is 200 mm-500 mm; the expansion and contraction range of the second bracket 46 and the third bracket 47 is 500 mm-1200 mm.

The upper water mist nozzle 41, the middle water mist nozzle 42 and the lower water mist nozzle 43 are all straight-shaped nozzles, and nozzle openings are arranged along the radial direction of the workpiece; the upper water spray nozzle 41, the middle water spray nozzle 42 and the lower water spray nozzle 43 are fixed on the bracket through buckles, and the positions can be adjusted.

The spraying mechanism 4 is provided in one or two.

Examples

1. And (3) manufacturing a rotary platform: the purchasing market is commonly used as a rotary platform.

2. Quenching the surface of the outer circle by adopting a spray fan: 4 fans are installed, the fans are arranged around the platform, and water mist is directly sprayed to the surface of a workpiece.

3. Spraying mechanism 4: the spraying mechanism 4 comprises an upper water mist spray head 41, a middle water mist spray head 42 and a lower water mist spray head 43, wherein the spray heads can move, a straight nozzle is selected, and the nozzle opening is arranged along the radial direction of a workpiece; the nozzle is fixed on the bracket and can move forwards, backwards and upwards and downwards. Effective range: maximum height 500mm and maximum diameter 1200mm. During quenching, the spray head is moved to above, below and to the side of the quenched workpiece 2. Are respectively arranged on the north and south sides of the platform. The spraying mechanism 4 uses the principle of a water mist device: the water and wind are mixed in the water-wind mixing box 48 by pressurizing with a high-pressure water pump, and are sprayed out from the nozzle in the form of water mist, and the water mist is sprayed to the surface of the workpiece.

Working principle:

A. mechanical aspects: the quenching adopts water mist cooling. The main components include: the device comprises a vertical rotary platform 1, an end face spraying mechanism 4, a pressurized water pump and an air pump; the quenching workpiece 2 is placed on the rotary platform 1 and follows the rotary platform 1; the spray head of the movable end face spraying mechanism 4 moves to the end face of the quenching workpiece 2, and the outer circle faces the quenching workpiece 2 to spray. The height of the support of the movable end face spraying mechanism 4 can be adjusted. The water pump fills water, and the pressure air is converged in the water-air mixing box 48 and is sprayed out of the spray head in the form of water mist.

B. Electrical aspects: the water pump can be closed to start and stop.

The using method comprises the following steps:

during installation, debugging and quenching test, two groups of spraying mechanisms 4 are distributed around the rotary workbench, wherein two groups of quenching spray heads are distributed on the upper end face, the lower end face and the outer circular face of a workpiece, and 4 spraying fans are arranged around the platform. Test piece specification: the maximum height is 250mm and the diameter is 1150mm. The water pressure and the wind pressure are 0.5-0.9Mpa.

In conclusion, the horizontal roll collar for rolling the section steel can quench the upper end face, the lower end face and the outer round and three faces of the horizontal roll collar simultaneously.

Claims

1. A cylindrical three-sided quenching device comprises a rotary platform (1) and a support pad (3) arranged between the rotary platform (1) and a quenching workpiece (2); the method is characterized in that: a plurality of table fans are arranged around the rotary platform (1); an end face spraying mechanism (4) is arranged on the side face of the rotary platform (1); the end face spraying mechanism (4) comprises an upper water mist spray head (41), a middle water mist spray head (42), a lower water mist spray head (43), a spray head bracket and a movable trolley (44); the middle water mist spray head (42) is arranged on one side of the outer circular surface of the quenching workpiece (2) through a first bracket (45), the upper water mist spray head (41) is arranged above the upper end surface of the quenching workpiece (2) through a second bracket (46), and the lower water mist spray head (43) is arranged below the lower end surface of the quenching workpiece (2) through a third bracket (47).

2. The cylindrical three-sided quenching apparatus as claimed in claim 1, wherein: the first support (45) is connected with the mobile trolley (44), the upper end point of the first support (45) is fixedly connected with the end point of the second support (46), and the lower end point of the first support (45) is connected with the end point of the third support (47).

3. The cylindrical three-sided quenching apparatus as claimed in claim 2, wherein: the upper water mist spray head (41) is arranged at the end point of the second bracket (46) close to the quenching workpiece (2).

4. The cylindrical three-sided quenching apparatus as claimed in claim 2, wherein: the lower water mist nozzle (43) is arranged at the end point of the third bracket (47) close to the quenching workpiece (2).

5. The cylindrical three-sided quenching apparatus as claimed in claim 1, wherein: the movable trolley (44) is provided with a water-air mixing box (48), and the water-air mixing box (48) is connected with a high-pressure water pump and a high-pressure air pump.

6. The cylindrical three-sided quenching apparatus as claimed in claim 1, wherein: the first bracket (45), the second bracket (46) and the third bracket (47) are all telescopic structures.

7. The cylindrical three-sided quenching apparatus as claimed in claim 6, wherein: the expansion range of the first bracket (45) is 200 mm-500 mm; the expansion and contraction range of the second bracket (46) and the third bracket (47) is 500 mm-1200 mm.

8. The cylindrical three-sided quenching apparatus as claimed in claim 1, wherein: the upper water mist spray head (41), the middle water mist spray head (42) and the lower water mist spray head (43) are all straight-shaped nozzles, and nozzle openings are arranged along the radial direction of a workpiece; the upper water mist spray head (41), the middle water mist spray head (42) and the lower water mist spray head (43) are fixed on the bracket through buckles.

9. The cylindrical three-sided quenching apparatus as claimed in claim 1, wherein: the spraying mechanisms (4) are arranged in two.