CN217869038U

CN217869038U - Neodymium iron boron equipment of bluing

Info

Publication number: CN217869038U
Application number: CN202221264568.0U
Authority: CN
Inventors: 旷风华
Original assignee: Guangdong Hongtai Cleaning And Drying Equipment Co ltd
Current assignee: Guangdong Hongtai Cleaning And Drying Equipment Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-11-22
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a neodymium iron boron equipment of bluing, which comprises a frame, be provided with guipure conveyor in the frame, feeding zone, bluing device and the ejection of compact district that guipure conveyor goes up to set gradually along its direction of delivery, bluing device includes furnace body, first heating rod and second heating rod, be equipped with in the furnace body and supply guipure conveyor's conveying mesh belt wears to establish the stove inner bag, first heating rod is equipped with a plurality ofly and follows guipure conveyor's direction of delivery equidistance interval ground is inlayed and is put in the upside lateral wall of stove inner bag, the second heating rod is equipped with a plurality ofly and follows guipure conveyor's direction of delivery equidistance interval ground is inlayed and is put in the downside lateral wall of stove inner bag. Adopt the utility model discloses, it is effectual to have bluing, and energy-concerving and environment-protective reduces workman's intensity of labour and cost of labor, and production efficiency is high, and is fit for mass production's advantage.

Description

Neodymium iron boron equipment of bluing

Technical Field

The utility model relates to a surface corrosion prevention technology field especially relates to a neodymium iron boron blueing equipment.

Background

In recent years, the application and development of the neodymium iron boron permanent magnet material are very rapid, and the success of the protection of the neodymium iron boron permanent magnet material is related to one of the key technologies of popularization and application of the material.

The application of the neodymium iron boron permanent magnetic material has the premise that the corrosion prevention problem of the neodymium iron boron permanent magnetic material is solved; as a porous material prepared by a powder metallurgy process, intergranular corrosion is easily formed on the main phase and the boundary phase of neodymium-iron-boron because of a neodymium-rich phase, and the corrosion resistance of the whole neodymium-iron-boron alloy is very poor due to the active property of a rare earth element neodymium in the neodymium-iron-boron powder alloy, so that the neodymium-iron-boron alloy is very easy to rust and corrode in a damp and hot environment, the service life of a neodymium-iron-boron permanent magnet is seriously influenced due to the reduction or damage of the magnetic property caused by corrosion failure, and the stability and the reliability of the product are reduced.

At present, common neodymium iron boron permanent magnet material anticorrosion methods comprise surface coating + heat treatment, electrophoretic deposition + heat treatment, evaporation + heat treatment, magnetron sputtering + heat treatment and the like. The heat treatment is an important process for forming a deep blue protective layer on the surface of the neodymium iron boron magnet. Most of the existing bluing heat treatment devices are realized by adopting an oven, and the mode generally has the following defects:

1. the machine is shut down when the materials are placed and taken, and then the oven door is opened manually for placing and taking, so that the labor intensity and labor cost of workers are increased, the production efficiency is low, and the machine is not suitable for mass production;

2. the oven door is frequently opened and closed, so that high-temperature harmful gas in the oven door is discharged, and the working environment is influenced;

3. the bluing effect of the neodymium iron boron permanent magnet material is poor due to uneven temperature in the oven;

4. the heating device is exposed and is easy to contact with corrosive air during heat treatment, so that the service life of the heating device is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a bluing is effectual, and is energy-concerving and environment-protective, reduces workman's intensity of labour and cost of labor, and production efficiency is high, and is fit for mass production's neodymium iron boron bluing equipment.

In order to realize the above-mentioned purpose, the utility model provides a neodymium iron boron equipment of bluing, it includes the frame, be provided with guipure conveyor in the frame, feeding zone, bluing device and the ejection of compact district that guipure conveyor goes up to set gradually along its direction of delivery, bluing device includes furnace body, first heating rod and second heating rod, be equipped with in the furnace body and supply guipure conveyor's conveying mesh belt wears to establish the stove inner bag, first heating rod is equipped with a plurality ofly and follows guipure conveyor's direction of delivery equidistance interval is set up in the upside lateral wall of stove inner bag, the second heating rod is equipped with a plurality ofly and follows guipure conveyor's direction of delivery equidistance interval is set up in the downside lateral wall of stove inner bag.

As the preferred proposal of the utility model, the furnace body is formed by splicing a plurality of sections of furnace body units in sequence.

As the preferred scheme of the utility model, every section furnace body unit's temperature is adjusted wantonly between normal atmospheric temperature to 500 degrees centigrade.

As the preferred scheme of the utility model, the furnace body is internally provided with a heat preservation and insulation layer coated on the periphery of the furnace inner container.

As the preferred scheme of the utility model, the ports at the two ends of the furnace inner container are provided with heat insulation curtains or heat insulation movable doors.

As the preferred scheme of the utility model, be equipped with on the ejection of compact district and be used for carrying out refrigerated cooling device to the neodymium iron boron steel sheet after the bluing heat treatment.

As the utility model discloses a preferred scheme, cooling device includes cooling bellows and cooling blower, cooling blower installs cooling bellows's top, be equipped with in the cooling bellows and supply the cooling channel that guipure conveyor's conveying mesh belt wore to establish, the wind that cooling blower produced blows to conveying mesh belt one side.

As the preferred scheme of the utility model, cooling blower is equipped with a plurality ofly, and is a plurality of cooling blower is the array and arranges.

As the preferred scheme of the utility model, the end in ejection of compact district is equipped with down the flitch.

Implement the utility model discloses neodymium iron boron equipment of bluing compares with prior art, and its beneficial effect lies in:

when the furnace inner container is in work, when the first heating rod and the second heating rod are electrified for heating, the heat of the heating rods can be quickly and uniformly transferred to the whole space of the furnace inner container by utilizing the properties of large heat conductivity coefficient and good heat conductivity of the furnace inner container, so that the upper surface and the lower surface of the neodymium iron boron steel sheet are uniformly heated, a uniform deep blue protective layer is formed, the bluing effect is good, and the corrosion resistance is stable; the design of a tunnel furnace inner container is adopted, and the conveying of a mesh belt conveying device is matched, so that the neodymium iron boron steel sheet can continuously enter and exit equipment, frequent stopping and material placing and taking are not needed, the labor intensity and labor cost of workers are reduced, the production efficiency is high, and the production method is suitable for mass production; meanwhile, the inner liner of the tunnel furnace is only provided with openings at two ends, and the size of the openings is small (only materials can pass in and out), so that the high-temperature harmful gas in the inner liner of the furnace is less discharged, a good working environment is ensured, and the tunnel furnace is energy-saving and environment-friendly; in addition, because the heating rod is embedded in the side wall of the furnace inner container, the heating rod can not be contacted with corrosive air during heat treatment in the furnace inner container, and the service life of the heating rod is ensured.

Drawings

Fig. 1 is a schematic structural diagram of an neodymium iron boron bluing device provided by the embodiment of the utility model.

The labels in the figure are:

1. a frame; 2. a mesh belt conveying device; 3. a feed zone; 4. the bluing device 41, the furnace body 42, the first heating rod 43, the second heating rod 44, the furnace inner container 45 and the heat insulation layer; 5. a discharging area 51 and a blanking plate; 6. cooling device, 61, cooling bellows, 62, cooling fan, 63, cooling channel.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the preferred embodiment of the present invention:

the utility model provides a neodymium iron boron bluing equipment, its includes frame 1, be provided with guipure conveyor 2 in the frame 1, feeding zone 3, bluing device 4 and ejection of compact district 5 that set gradually along its direction of delivery on guipure conveyor 2.

The bluing device 4 comprises a furnace body 41, a first heating rod 42 and a second heating rod 43, wherein a furnace inner container 44 (namely a channel formed by the furnace inner container) for a conveying net belt of the net belt conveying device 2 to penetrate is arranged in the furnace body 41, the first heating rod 42 is provided with a plurality of heating rods and is embedded in the upper side wall of the furnace inner container 44 at equal intervals along the direction of the furnace inner container 44, and the second heating rod 43 is provided with a plurality of heating rods and is embedded in the lower side wall of the furnace inner container 44 at equal intervals along the direction of the furnace inner container 44. Therefore, when the first heating rod 42 and the second heating rod 43 are electrified and heated, the heat of the heating rods can be rapidly and uniformly transferred to the space of the whole furnace liner 44 by utilizing the properties of large heat conductivity coefficient and good heat conductivity of the furnace liner, so that the upper surface and the lower surface of the neodymium iron boron steel sheet are uniformly heated, and a uniform dark blue protective layer is formed, the bluing effect is good, and the corrosion resistance is stable; the design of the inner container 44 of the tunnel furnace is adopted, and the conveying of the mesh belt conveying device is matched, so that the neodymium iron boron steel sheet continuously enters and exits the equipment without frequently stopping and placing and taking materials, the labor intensity and labor cost of workers are reduced, the production efficiency is high, and the method is suitable for mass production; meanwhile, the tunnel furnace inner container 44 is only provided with openings at two ends, and the openings are small in size (only can materials pass in and out), so that the high-temperature harmful gas in the furnace inner container 44 is less in leakage, a good working environment is ensured, and the tunnel furnace inner container is energy-saving and environment-friendly; in addition, because the heating rod is embedded in the side wall of the furnace inner container 44, the heating rod can not be contacted with corrosive air during heat treatment in the furnace inner container 44, and the service life of the heating rod is ensured.

Furthermore, in order to reduce the heat loss of the furnace body 41, a heat insulation layer 45 coated on the periphery of the furnace inner container 44 is arranged in the furnace body 41; and heat insulation curtains or heat insulation movable doors are arranged at the two end ports of the furnace inner container 44.

Further, for making the heating temperature of furnace body 41 satisfy different technological requirements, furnace body 41 is formed by the concatenation in proper order of multistage furnace body 41 unit, every section furnace body 41 unit is independent accuse temperature, every section the temperature of furnace body 41 unit is adjusted wantonly between normal atmospheric temperature to 500 degrees centigrade.

Illustratively, a cooling device 6 for cooling the neodymium iron boron steel sheet after the bluing heat treatment is arranged on the discharging area 5. During the concrete implementation, cooling device 6 includes cooling bellows 61 and cooling fan 62, cooling fan 62 installs cooling bellows 61's top, be equipped with in the cooling bellows 61 and supply the cooling channel 63 that guipure conveyor 2's conveying mesh belt wore to establish, the wind that cooling fan 62 produced blows to conveying mesh belt one side to the neodymium iron boron steel sheet after the heat treatment of bluing cools off.

Further, cooling blower 62 is equipped with a plurality ofly and is the array according to the cooling zone area and arranges to guarantee the even cooling of neodymium iron boron steel sheet.

Further, a blanking plate 51 is arranged at the tail end of the discharging area 5 so as to facilitate blanking.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a neodymium iron boron bluing equipment, a serial communication port, which comprises a frame, be provided with guipure conveyor in the frame, feeding zone, bluing device and the ejection of compact district that guipure conveyor goes up to set gradually along its direction of delivery, bluing device includes furnace body, first heating rod and second heating rod, be equipped with in the furnace body and supply the stove inner bag that guipure conveyor's conveying mesh belt wore to establish, first heating rod is equipped with a plurality ofly and follows guipure conveyor's direction of delivery inlays with interval and puts in the upside lateral wall of stove inner bag, the second heating rod is equipped with a plurality ofly and follows guipure conveyor's direction of delivery inlays with interval and puts in the downside lateral wall of stove inner bag.

2. The NdFeB bluing apparatus of claim 1, wherein the furnace body is formed by sequentially splicing a plurality of sections of furnace body units.

3. The NdFeB bluing apparatus of claim 2, wherein a temperature of each segment of the furnace body unit is arbitrarily adjusted between a normal temperature and 500 ℃.

4. The neodymium-iron-boron bluing apparatus according to claim 1, wherein a heat-insulating layer coated on the periphery of the furnace inner container is provided in the furnace body.

5. The NdFeB bluing apparatus of claim 4, wherein heat-insulating curtains or heat-insulating movable doors are provided at the ports at both ends of the furnace inner container.

6. The NdFeB bluing apparatus of claim 1, wherein a cooling device for cooling the NdFeB steel sheet after bluing heat treatment is disposed on the discharging area.

7. The NdFeB bluing device of claim 6, wherein the cooling device comprises a cooling bellows and a cooling fan, the cooling fan is installed at the top of the cooling bellows, a cooling channel for the mesh belt conveying device to pass through is arranged in the cooling bellows, and wind generated by the cooling fan blows towards one side of the mesh belt conveying device.

8. The NdFeB bluing apparatus of claim 7, wherein the cooling fans are provided in plurality, and the plurality of cooling fans are arranged in an array.

9. The NdFeB bluing apparatus of claim 1, wherein a blanking plate is disposed at an end of the discharging area.