CN218134848U

CN218134848U - Permanent-magnet alloy casting sheet cooling device

Info

Publication number: CN218134848U
Application number: CN202123229466.3U
Authority: CN
Inventors: 杨道华; 张小明
Original assignee: Ningbo Xionghai Rare Earth Rapid Hardening Technology Co ltd
Current assignee: Ningbo Xionghai Rare Earth Rapid Hardening Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-12-27
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a permanent magnetic alloy casting piece cooling device, aiming at providing a permanent magnetic alloy casting piece cooling device with good cooling effect, which comprises a tool frame, wherein a barrel is transversely arranged on the tool frame, one end of the barrel is provided with a feed inlet for feeding casting pieces to be cooled, the other end of the barrel is provided with a discharge outlet for discharging the cooled casting pieces, the barrel is provided with a conveying channel communicated with the feed inlet and the discharge outlet, a spiral blade is arranged in the conveying channel, and the spiral blade is rotated to be used for conveying the casting pieces at the feed inlet to the spiral blade of the discharge outlet; the cylinder body is provided with a plurality of louvers along the length direction of the conveying channel, the louvers are communicated with the conveying channel and are respectively connected with an air inlet pipeline, and cold air conveyed by the air inlet pipeline enters the conveying channel through the louvers and acts on the cast piece for cooling; the utility model relates to a cooling technical field of melt-spun piece.

Description

Permanent-magnet alloy casting sheet cooling device

Technical Field

The utility model relates to a cooling technology field of melt-spun piece more exactly relates to a permanent-magnet alloy casts piece cooling device.

Background

In recent years, the neodymium iron boron permanent magnet material has been widely applied to various industries such as computers, motors, wind driven generators, electric vehicles, instruments and meters, magnetic transmission bearings, high fidelity speakers, nuclear magnetic resonance imaging instruments, aerospace navigation devices and the like due to excellent magnetic performance, and has huge potential application prospects in the emerging technical fields such as maglev trains and the like. The melt-spun piece is a master alloy for producing the neodymium iron boron permanent magnet material, and the performance of the melt-spun piece directly influences the performance of the permanent magnet material.

The main production process of the domestic adopted melt-spun sheet is a rapid-hardening sheet casting process, wherein the organization structure of a rapid-hardening sheet has a direct relation with the temperature during cooling, and alpha-Fe is separated out when the cooling speed is low, so that the magnetic property of the cast sheet is poor, the cast sheet is not easy to break, and the cast sheet is difficult to be used in the subsequent processing production link of permanent magnet materials. Therefore, the cooling process in the production of the melt-spun strip has very important influence on the production of the neodymium iron boron melt-spun cast strip.

Adopt air-cooled measure cooling usually to cast piece cooling among the prior art, current air-cooled equipment is usually concentrated the collection with cast piece to in transporting to cooling processing region, rethread fan or ventilation pipe are to accumulational cast piece cooling, and it is less to be piled up the air current that the cast piece in inside contacted, and the cooling effect is poor, and the yields and the efficiency of production all have great promotion space.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the cooling device for the permanent magnet alloy cast sheet is good in cooling effect.

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

a permanent magnet alloy cast piece cooling device comprises a tool frame, wherein a barrel is transversely arranged on the tool frame, one end of the barrel is provided with a feeding hole for feeding cast pieces to be cooled, the other end of the barrel is provided with a discharging hole for discharging the cooled cast pieces, the barrel is provided with a conveying channel communicated with the feeding hole and the discharging hole, a spiral blade is arranged in the conveying channel, and the spiral blade is rotated to be used for conveying the cast pieces at the feeding hole to the spiral blade at the discharging hole;

the cylinder body is provided with a plurality of louvers along the length direction of the conveying channel, the louvers are communicated with the conveying channel and are respectively connected with an air inlet pipeline, and cold air conveyed by the air inlet pipeline enters the conveying channel through the louvers and acts on the cast pieces to cool.

After the structure above adopting, the utility model discloses a permanent-magnet alloy casts piece cooling device compares with prior art, has following advantage: the high-temperature casting sheet feeding device is characterized in that a transverse barrel is arranged, a conveying channel for communicating a feeding hole at one end with a discharging hole at the other end is arranged on the barrel, and when the high-temperature casting sheet feeding device is used, a high-temperature casting sheet entering the feeding hole is cooled by cold air introduced by the air window when the high-temperature casting sheet is conveyed to the discharging hole by the helical blade. The plurality of air windows are arranged along the length direction of the cylinder body, the plurality of air windows can continuously and stably convey cold air into the air inlet pipeline in the cast piece conveying process, and the cooling speed of the cast piece is high; the cooling is even, and difficult fracture has promoted the yields, and the cast sheet can be cooled off in transportation process in addition, has the characteristics that production process production efficiency is high of optimizing.

As an improvement of the utility model, a plurality of the transom is connected with the admission line through automatically controlled valve module respectively, through opening or closing of gas circuit between automatically controlled valve module control corresponding transom and the admission line. When the device is used, a user can control the opening or closing of the air passages between the air windows and the air inlet pipeline in required quantity through the electric control valve assembly according to the temperature, quantity and quantity of the cast pieces to be conveyed, the utilization rate of air can be improved on the premise of not influencing the cooling of the cast pieces, and the device is energy-saving and emission-reducing.

As an improvement of the utility model, each louver respectively corresponds the regional setting between two adjacent blades of helical blade and inclines in barrel. Due to the structural design of the helical blades, when the cast piece is conveyed, the residence time of the cast piece in the area between the two blades is long, so that each air window is arranged on the peripheral side of the cylinder body corresponding to the area between the two adjacent blades of the helical blade, the contact time of the air conveyed by the air windows and the cast piece is long, and the cooling effect on the cast piece is good.

As an improvement of the utility model, the louver is arranged at the lower position of the circumferential side of the cylinder body, and the upper position of the circumferential side of the cylinder body is also provided with an exhaust port. Above-mentioned improvement, the gas after cooling the casting piece can be discharged through the gas vent fast, reduces high-temperature gas and stops in transfer passage, avoids high-temperature gas dwell time long, leads to the radiating effect of casting piece to reduce, further promotes the cooling effect to the casting piece.

As an improvement of the utility model, every the transom window is respectively composed of a plurality of through holes for opening the side wall of the cylinder body. Above-mentioned improvement, gas trafficability characteristic is good, and the structural design that every through-hole is less than the casting piece volume simultaneously can avoid the casting piece to fall into.

As an improvement of the utility model, the air inlet pipeline is used for conveying inert gas cold air. Inert gas cold air is adopted, and the cooling effect is good.

As an improvement of the utility model, helical blade installs in the pivot, the bearing frame that barrel and frock were put up is worn out respectively at the pivot both ends is connected, pivot one end is connected with the belt pulley, the belt pulley passes through the drive belt and is connected with gear motor's output transmission. During the use, the user can set up the feed inlet of barrel in heating device's discharge gate department, with the discharge gate setting of barrel and the pan feeding mouth department of next station, through gear motor linkage helical blade can be automatic and the efficient transmission through the cast piece after cooling, the degree of automation of device is high.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic structural diagram of the conveying passage of the present invention.

Fig. 3 is an enlarged schematic view of a structure in fig. 2 according to the present invention.

Fig. 4 is a schematic structural diagram of the present invention.

Shown in the figure: 1. a tool rack; 2. a cylinder body; 2.1, a feed inlet; 2.2, a discharge hole; 2.3, conveying a channel; 2.4, an exhaust port; 3. a helical blade; 4. a louver; 4.1, an electric control valve component; 5. an air intake duct; 6. a rotating shaft; 6.1, bearing seats; 6.2, a belt pulley; 7. a speed reducing motor.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1-4, to achieve the above objects, the present invention provides the following technical solutions: a permanent magnet alloy cast piece cooling device comprises a tool frame 1, wherein a cylinder 2 is transversely arranged on the tool frame 1, one end of the cylinder 2 is provided with a feeding hole 2.1 for feeding cast pieces to be cooled, the other end of the cylinder 2 is provided with a discharging hole 2.2 for discharging the cooled cast pieces, the cylinder 2 is provided with a conveying channel 2.3 for communicating the feeding hole 2.1 with the discharging hole 2.2, a spiral blade 3 is arranged in the conveying channel 2.3, and the spiral blade 3 is rotated to be used for conveying the cast pieces at the feeding hole 2.1 to the spiral blade 3 at the discharging hole 2.2;

the cylinder body 2 is provided with a plurality of louvers 4 along the length direction of the conveying channel 2.3, the louvers 4 are communicated with the conveying channel 2.3, the louvers 4 are respectively connected with an air inlet pipeline 5, and cold air conveyed by the air inlet pipeline 5 enters the conveying channel 2.3 through the louvers 4 to act on the cast piece for cooling.

After the structure above adopting, the utility model discloses a permanent magnetism alloy casts piece cooling device compares with prior art, has following advantage: the transverse barrel body 2 is arranged, the conveying channel 2.3 which is used for communicating the feeding hole 2.1 at one end part with the discharging hole 2.2 at the other end part is arranged on the barrel body 2, and when the high-temperature cast piece feeding into the feeding hole 2.1 is conveyed to the discharging hole 2.2 by the helical blade 3 in use, the high-temperature cast piece is cooled by cold air introduced through the air window 4. A plurality of air windows 4 are arranged along the length direction of the cylinder body 2, the air windows 4 can continuously and stably convey cold air into the air inlet pipeline 5 in the cast piece conveying process, the cooling speed of the cast piece is high, and the production efficiency is high; the cooling is even, and difficult fracture has promoted the yields.

As an improvement of the utility model, a plurality of transom 4 is connected with admission line 5 through automatically controlled valve module 4.1 respectively, through opening or closing of gas circuit between automatically controlled valve module 4.1 control transom 4 that corresponds and the admission line 5. When the device is used, a user can control the opening or closing of the air passages between the air windows 4 and the air inlet pipeline 5 in required quantity through the electric control valve assembly 4.1 according to the temperature, quantity and quantity of the cast pieces to be conveyed, the utilization rate of air can be improved on the premise of not influencing the cooling of the cast pieces, and the device is energy-saving and emission-reducing.

As an improvement of the present invention, each louver 4 is disposed around the cylindrical body 2 corresponding to the area between two adjacent blades of the helical blade 3. Due to the structural design of the helical blades 3, when the cast piece is conveyed, the residence time of the cast piece in the area between the two blades is long, so that each air window 4 is arranged on the periphery side of the cylinder 2 corresponding to the area between two adjacent blades of the helical blade 3, the contact time of the gas conveyed by the air windows 4 and the cast piece is long, and the cooling effect on the cast piece is good.

As an improvement of the utility model, the louver 4 is arranged at the lower position of the circumferential side of the cylinder 2, and the upper position of the circumferential side of the cylinder 2 is also provided with the exhaust port 2.4. Above-mentioned improvement, the gas after cooling the casting piece can be discharged through gas vent 2.4 fast, reduces high-temperature gas and stops in transfer passage 2.3, avoids high-temperature gas dwell time long, leads to the radiating effect of casting piece to reduce, further promotes the cooling effect to the casting piece.

As an improvement of the utility model, every the transom 4 is respectively by the through-hole that 2 lateral walls of barrel were seted up to a plurality of and constitutes. Above-mentioned improvement, gas trafficability characteristic is good, and the structural design that every through-hole is less than the casting piece volume simultaneously can avoid the casting piece to fall into.

As an improvement of the present invention, the air inlet pipe 5 is used for conveying inert gas cold air. Inert gas cold air is adopted, and the cooling effect is good.

As an improvement of the utility model, helical blade 3 is installed in

pivot

6, 6 both ends of pivot are worn out barrel 2 respectively and are connected with bearing frame 6.1 on the

frock frame

1, 6 one end in pivot is connected with belt pulley 6.2, belt pulley 6.2 is connected through the output transmission of drive belt with gear motor 7. During the use, the user can set up the feed inlet 2.1 of barrel 2 in heating device's discharge gate department, with the discharge gate 2.2 setting of barrel 2 with the pan feeding mouth department of next station, through gear motor 7 linkage helical blade 3 can be automatic and the efficient transmission through the cast piece after cooling, the degree of automation of device is high.

Above only the utility model discloses a preferred embodiment, the utility model discloses a scope not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims

1. The cooling device for the permanent magnet alloy cast pieces is characterized by comprising a tool frame (1), wherein a cylinder (2) is transversely arranged on the tool frame (1), one end of the cylinder (2) is provided with a feeding hole (2.1) for feeding the cast pieces to be cooled, the other end of the cylinder is provided with a discharging hole (2.2) for discharging the cooled cast pieces, the cylinder (2) is provided with a conveying channel (2.3) for communicating the feeding hole (2.1) with the discharging hole (2.2), a spiral blade (3) is arranged in the conveying channel (2.3), and the spiral blade (3) is rotated to be used for conveying the cast pieces at the feeding hole (2.1) to the spiral blade (3) at the discharging hole (2.2);

barrel (2) are provided with a plurality of transom window (4), a plurality of along the length direction of transfer passage (2.3) transom window (4) intercommunication transfer passage (2.3), and a plurality of transom window (4) are connected with admission line (5) respectively, and the cold wind that admission line (5) were carried gets into transfer passage (2.3) by transom window (4) and acts on the casting piece and cools off.

2. The cooling device for the permanent magnet alloy cast sheet according to claim 1, wherein: the plurality of louvers (4) are respectively connected with the air inlet pipeline (5) through an electric control valve component (4.1), and the electric control valve component (4.1) controls the opening or closing of an air path between the corresponding louver (4) and the air inlet pipeline (5).

3. The cooling device for the permanent magnet alloy cast piece according to claim 1, wherein: each air window (4) is arranged on the periphery of the cylinder (2) and corresponds to the area between two adjacent blades of the helical blade (3).

4. The cooling device for the permanent magnet alloy cast sheet according to claim 1, wherein: the transom (4) is arranged at the lower part of the peripheral side of the barrel (2), and the upper part of the peripheral side of the barrel (2) is also provided with an exhaust port (2.4).

5. The cooling device for the permanent magnet alloy cast sheet according to claim 4, wherein: each louver (4) is respectively composed of a plurality of through holes which are arranged on the side wall of the cylinder body (2).

6. The cooling device for the permanent magnet alloy cast piece according to claim 1, wherein: the air inlet pipeline (5) is used for conveying inert gas cold air.

7. The cooling device for the permanent magnet alloy cast piece according to claim 1, wherein: helical blade (3) are installed in pivot (6), barrel (2) are worn out respectively at pivot (6) both ends and are connected with bearing frame (6.1) on frock frame (1), pivot (6) one end is connected with belt pulley (6.2), belt pulley (6.2) are connected through the output transmission of drive belt with gear motor (7).