CN213266599U

CN213266599U - Arc surface spray quenching device for large-scale disc alloy steel parts

Info

Publication number: CN213266599U
Application number: CN202022269162.9U
Authority: CN
Inventors: 卲玉川
Original assignee: Sichuan Hongjian Heavy Machinery Manufacturing Co ltd
Current assignee: Sichuan Hongjian Heavy Machinery Manufacturing Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-05-25
Anticipated expiration: 2030-10-13

Abstract

The utility model relates to a large-scale disc type alloy steel part cambered surface spouts and quenches device belongs to equipment for heat treatment technical field. This device includes square frame (4), a plurality of axial fan (2) and hoist and mount piece (4), axial fan (2) interval sets up inside the cavity of frame (4) to be connected with frame (4), frame (4) are through hoisting and mount piece (4) hoist and mount, and the air intake department of axial fan (2) is provided with inlet tube (5), and outlet of inlet tube (5) is towards axial fan (2) blade. This device is through the blade with inlet tube (5) mouth of pipe towards axial fan (2) for the cooling water can be even from axial fan (2) air outlet blowout, actually only need hang frame (4) to the part top, just can realize cooling heat treatment to the part arc surface through rotating frame (4), solved current large-scale disc class part arc surface cooling difficulty, equipment occupation space is big, awkward problem.

Description

Arc surface spray quenching device for large-scale disc alloy steel parts

Technical Field

The utility model relates to a large-scale disc type alloy steel part cambered surface spouts and quenches device belongs to equipment for heat treatment technical field.

Background

The diameter of an upper grinding ring and a lower grinding ring of the coal mill is 3-3.5 meters, the grinding ring is made of high-carbon alloy steel, the end face of the grinding ring is of an annular notch structure, and in order to ensure the working stability, the hardness of the arc surface of the using surface of the grinding ring is required to reach HRC 45-55, so that the grinding ring needs to be subjected to heat treatment. The existing means is to spray and quench the part to reach the hardness of the part, but because the size of the grinding ring is large and the temperature is high during spray quenching, the uniform cooling of the arc surface is difficult to realize, and meanwhile, the manufacturing cost of the grinding ring is high by independently relating to spray quenching equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the arc surface of the existing large-scale disc part is difficult to cool, the heat treatment equipment occupies a large space, the manufacturing cost is high, and the operation is inconvenient.

The utility model provides a technical scheme that its technical problem adopted is: large-scale disc type alloy steel part cambered surface spouts and quenches device, including square frame, a plurality of axial fan and hoist and mount piece, axial fan interval sets up inside the cavity of frame to with frame attach, the frame is through hoist and mount piece hoist and mount, axial fan's air intake department is provided with the inlet tube, and the outlet of inlet tube is towards axial fan blade.

The device further comprises a fixing frame, the fixing frame is arranged on the two opposite side walls and the middle of the frame, and the axial flow fan is connected with the frame through the fixing frame.

Wherein, in the device, the water inlet pipe is arranged on the inner wall of the air inlet of the axial flow fan, and the water inlet pipe is obliquely arranged.

The device further comprises a fixed support and a rotating motor, wherein the fixed support is arranged in the middle of the frame and is rotatably connected with the frame through a fixed frame, the rotating motor is fixed on the fixed support, and an output shaft of the rotating motor is connected with a rotating shaft of the frame, so that the rotating motor can drive the frame to rotate.

Further, in the device, the hoisting piece is of an annular structure and is arranged on the upper part of the fixed support.

The utility model has the advantages that: the device has simple structure, can be manufactured on site and is convenient to operate. The device fixes the axial flow fan in the inner cavity of the device through the square frame, the air outlet direction of the axial flow fan faces downwards, and the water inlet pipe is connected to the rear part of the blade. Actually, only need place the part cambered surface up on the steel tray kiln heat to the technological requirement temperature to heat preservation soaking for a certain time, go out the kiln and hang down the kiln with the part in the lump and place in spacious level and smooth ground, hang the frame off ground, and move to the part top 2-3 meters department, open axial fan and inlet tube and spout and quench, and the steel cable that pulls on the frame makes the frame slowly rotate with axial fan, so that each position of cambered surface spouts the quenching effect unanimously.

Drawings

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

FIG. 2 is a schematic front view of the present invention shown in FIG. 1;

fig. 3 is a schematic structural view of the utility model after the rotating electric machine is installed;

fig. 4 is a schematic front view of the structure of fig. 3 according to the present invention.

Labeled as: the device comprises a frame 1, an axial flow fan 2, a fixing frame 3, a hoisting piece 4, a water inlet pipe 5, a fixing support 6 and a rotating motor 7.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model discloses a large-scale disc type alloy steel part cambered surface spouts and quenches device, including square frame 1, a plurality of axial fan 2 and hoist and

mount piece

4, 2 intervals of axial fan set up inside the cavity of frame 1 to be connected with frame 1, frame 1 is through hoisting and mounting 4, and axial fan 2's air intake department is provided with inlet tube 5, and the outlet of inlet tube 5 is towards 2 blades of axial fan. The technical personnel in the field can understand that this device is fixed axial fan 2 in its inner chamber through square frame 1, and axial fan 2 fan air-out direction is down to connect inlet tube 5 to the blade rear portion, and the frame can be connected with the driving through hoist and mount 4, realizes the removal of position. When the device is actually used, the part cambered surface is placed upwards on the steel tray, the steel tray is heated to the process requirement temperature in the kiln, the heat is preserved and soaked for a certain time, the tray and the part are taken out of the kiln, the kiln is hung down on the open smooth ground, the frame 1 is hung away from the ground and moved to the position 2-3 meters above the part, the axial flow fan 2 and the water inlet pipe 5 are opened for spray quenching, the steel rope on the frame 1 is pulled to enable the frame 1 and the axial flow fan 2 to rotate slowly, so that the spray quenching effects of all parts of the cambered surface are consistent, the temperature drop condition of the part is detected at any time during the period, the spray quenching is stopped after the temperature of the process requirement is reached, and the part is immediately placed.

Preferably, the device further comprises a fixing frame 3, the fixing frame 3 is arranged on two opposite side walls and the middle of the frame 1, and the axial flow fan 2 is connected with the frame 1 through the fixing frame 3. As will be understood by those skilled in the art, in order to fix the axial flow fan 2 conveniently, the fixing frames 3 are preferably disposed on two opposite side walls and a middle portion of the frame 1, and the fixing of the axial flow fan 2 and the frame 1 can be achieved through the fixing frames 3.

Preferably, in the above device, the water inlet pipe 5 is arranged on the inner wall of the air inlet of the axial flow fan 2, and the water inlet pipe 5 is arranged obliquely. The technical personnel in the field can understand, this device realizes atomizing as far as possible in order to realize the cooling water homodisperse that comes out from inlet tube 5, and this device is preferred inlet tube 5 to be set up on the inner wall of axial fan 2's air intake, and inlet tube 5 slope sets up, and this kind of setting makes the cooling water that inlet tube 5 came out strike on the blade along the blade tangential, can reduce the impact of cooling water to the blade, makes the cooling water make the cooling water homodisperse under the effect of blade rotation simultaneously, realizes the purpose of uniform cooling.

Preferably, the device further comprises a fixed support 6 and a rotating motor 7, wherein the fixed support 6 is arranged in the middle of the frame 1 and is rotatably connected with the frame 1 through a fixed frame 3, the rotating motor 7 is fixed on the fixed support 6, and an output shaft of the rotating motor 7 is rotatably connected with the frame 1, so that the rotating motor 7 can drive the frame 1 to rotate. As will be understood by those skilled in the art, in order to realize the rotation of the frame 1, the device preferably further comprises a fixed bracket 6 and a rotating motor 7, the fixed bracket 6 is arranged in the middle of the frame 1 and is rotatably connected with the frame 1 through a fixed frame 3, and further preferably, the rotating motor 7 is fixed on the fixed bracket 6, so that the output shaft of the rotating motor 7 is connected with the rotating shaft of the frame 1, and the structure is arranged so that the rotating motor 7 can drive the frame 1 to rotate.

Preferably, in the above device, the hoisting member 4 is of an annular structure and is arranged at the upper part of the fixed bracket 6. As can be understood by those skilled in the art, the device preferably has the specific structure and connection relationship of the sling 4, and the sling 4 is preferably of a ring-shaped structure and is arranged at the upper part of the fixed bracket 6.

Claims

1. Large-scale disc type alloy steel part cambered surface spouts and quenches device, its characterized in that: including square frame (1), a plurality of axial fan (2) and hoist and mount piece (4), axial fan (2) interval sets up inside the cavity of frame (1) to be connected with frame (1), frame (1) is through hoisting and mount piece (4) hoist and mount, and the air intake department of axial fan (2) is provided with inlet tube (5), and outlet of inlet tube (5) is towards axial fan (2) blade.

2. The arc surface spray quenching device for the large-sized disc alloy steel parts according to claim 1, which is characterized in that: the fan is characterized by further comprising a fixing frame (3), wherein the fixing frame (3) is arranged on two opposite side walls and the middle of the frame (1), and the axial flow fan (2) is connected with the frame (1) through the fixing frame (3).

3. The arc surface spray quenching device for the large-sized disc alloy steel parts according to claim 1, which is characterized in that: the water inlet pipe (5) is arranged on the inner wall of the air inlet of the axial flow fan (2), and the water inlet pipe (5) is obliquely arranged.

4. The arc surface spray quenching device for large-scale disc alloy steel parts according to any one of claims 1 to 3, characterized in that: still include fixed bolster (6) and rotating electrical machines (7), fixed bolster (6) set up at the middle part of frame (1) and rotate with frame (1) through mount (3) and be connected, and rotating electrical machines (7) are fixed on fixed bolster (6), and rotating electrical machines (7) output shaft and frame (1) pivot are connected for rotating electrical machines (7) can drive frame (1) rotatory.

5. The arc surface spray quenching device for the large-sized disc alloy steel parts according to claim 4, characterized in that: the hoisting piece (4) is of an annular structure and is arranged on the upper part of the fixed support (6).