阅读说明：本技术 一种磁环热处理炉及应用其的热处理系统 (Magnetic ring heat treatment furnace and heat treatment system using same ) 是由 胡丽红 石小兰 陈卫红 张继超 于 2021-07-30 设计创作，主要内容包括：本发明公开了一种磁环热处理炉,包括机架、位于机架上的进料装置和加热装置,所述加热装置内设置有呈管状的加热通道,所述加热通道相对的两端分别设有输入口和输出口,所述进料装置设置有推送件以及用于放置多个磁环的弧形槽,所述磁环在所述弧形槽内呈竖向布置且有序排布,弧形槽与所述输入口相连通,所述推送件对所述磁环施加有自所述输入口往所述输出口移动的推力,进料装置和加热装置沿所述磁环的移动方向向上倾斜设置,相邻所述磁环的端面受重力作用相互紧贴布置。本发明解决了现有热处理炉热能利用率低、相邻磁环容易发生碰撞、生产效率低下的问题,该热处理炉无需在真空或惰性气体保护的条件下对磁环进行热处理。(The invention discloses a magnetic ring heat treatment furnace, which comprises a rack, a feeding device and a heating device, wherein the feeding device and the heating device are positioned on the rack, a tubular heating channel is arranged in the heating device, an input port and an output port are respectively arranged at two opposite ends of the heating channel, the feeding device is provided with a pushing piece and an arc-shaped groove for placing a plurality of magnetic rings, the magnetic rings are vertically and orderly arranged in the arc-shaped groove, the arc-shaped groove is communicated with the input port, the pushing piece applies pushing force to the magnetic rings, the pushing force moves from the input port to the output port, the feeding device and the heating device are upwards and obliquely arranged along the moving direction of the magnetic rings, and the end faces of the adjacent magnetic rings are mutually and closely arranged under the action of gravity. The invention solves the problems of low heat energy utilization rate, easy collision of adjacent magnetic rings and low production efficiency of the existing heat treatment furnace, and the heat treatment furnace does not need to carry out heat treatment on the magnetic rings under the condition of vacuum or inert gas protection.)

1. The utility model provides a magnetic ring heat treatment furnace, includes the frame, is located feed arrangement and heating device on the frame, its characterized in that: be provided with in the heating device and be pipy heating channel, the both ends that the heating channel is relative are equipped with input port and delivery outlet respectively, feed arrangement is provided with propelling movement spare and is used for placing the arc wall of a plurality of magnetic rings, the magnetic ring is in be vertical arrangement and arrange in order in the arc wall, the arc wall with the input port is linked together, propelling movement spare is right the magnetic ring is applied certainly the input port is toward the thrust that the delivery outlet removed, feed arrangement and heating device follow the moving direction tilt up setting of magnetic ring, it is adjacent the terminal surface of magnetic ring is hugged closely each other by the action of gravity and is arranged.

2. A magnetic ring heat treatment furnace as claimed in claim 1, wherein the pushing member comprises a lead screw, the lead screw is connected with a driving motor, a lead screw nut is sleeved on the lead screw, a push plate is connected to the lead screw nut, and the push plate reciprocates in the guiding direction of the arc-shaped groove; the push plate is pressed on the magnetic ring, and when the driving motor drives the screw rod to rotate, the screw rod nut is linked with the push plate to push the magnetic ring to move from the input port to the output port.

3. A magnetic ring heat treatment furnace as claimed in claim 2, wherein the feeding device is provided with a PLC control component, and the PLC control component is electrically connected to the driving motor.

4. A magnetic ring heat treatment furnace as claimed in claim 1, wherein an inner wall of the arc-shaped slot is fitted with an outer circumferential wall of the magnetic ring.

5. A magnetic ring heat treatment furnace as claimed in claim 1, wherein a guide is provided in the heating device for guiding the movement of the magnetic ring, the heating channel is disposed in the guide, and an inner sidewall of the heating channel is fitted with an outer peripheral wall of the magnetic ring.

6. A magnetic ring heat treatment furnace as claimed in claim 1, wherein the heating device is provided with a plurality of independently temperature controlled heating zones, each of the heating zones is communicated with each other to form a heating channel, the heating channels are communicated with the input port and the output port, and a plurality of heating elements surrounding the heating channels are provided in the heating zones.

7. A magnetic ring heat treatment furnace as claimed in claim 1, wherein the frame is further provided with a cooling device for cooling the magnetic ring, an input end of the cooling device corresponds to the output port, and the cooling device is disposed to be inclined upward along a moving direction of the magnetic ring.

8. A heat treatment system, characterized in that a magnetic ring heat treatment furnace as claimed in any one of claims 1-7 is applied.

Technical Field

The invention relates to the field of heat treatment furnaces, in particular to a magnetic ring heat treatment furnace and a heat treatment system using the same.

Background

The excellent performance of the magnetic ring can be shown only by eliminating the residual stress in the rapid solidification process through proper heat treatment of the magnetic ring, and in the process, a heat treatment furnace is needed and is used for carrying out heat treatment and magnetization treatment on the placed magnetic ring so that the discharged finished product has corresponding magnetism. The magnetic ring heat treatment equipment requires uniform temperature in the furnace. The conventional heat treatment furnace is of a horizontal structure, magnetic rings are easy to collide in the conveying process, the subsequent magnetizing and stress removing effects are affected, and in order to avoid collision of adjacent magnetic rings, a common method is to convey each magnetic ring at a certain distance. On the other hand, the existing heat treatment furnace needs to pass protective gas (nitrogen or argon) with a certain flow rate in the furnace, and the cost is high.

Disclosure of Invention

The invention aims to provide a magnetic ring heat treatment furnace and a heat treatment system using the same, which solve the problems of low heat energy utilization rate, easy collision of adjacent magnetic rings and low production efficiency of the conventional heat treatment furnace.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a magnetic ring heat treatment furnace, includes the frame, is located feed arrangement and heating device in the frame, be provided with in the heating device and be pipy heating channel, the both ends that heating channel is relative are equipped with input port and delivery outlet respectively, feed arrangement is provided with propelling movement spare and is used for placing the arc wall of a plurality of magnetic rings, the magnetic ring is in be vertical arrangement and arrange in order in the arc wall, the arc wall with the input port is linked together, propelling movement spare is right the magnetic ring is applied from the input port toward the thrust that the delivery outlet removed, feed arrangement and heating device follow the moving direction tilt up setting of magnetic ring is adjacent the terminal surface of magnetic ring is hugged closely the arrangement each other by the action of gravity.

According to the invention, the tubular heating channel and the arc-shaped groove are adopted, so that the magnetic rings are always vertically and orderly arranged in the arc-shaped groove and the heating channel, and the friction force generated when the magnetic rings move is small; through the feeding device and the heating device which are obliquely arranged, the end surfaces of the adjacent magnetic rings are mutually and closely arranged under the action of gravity, so that the adjacent magnetic rings are favorably abutted, the problem that the adjacent magnetic rings are easy to collide is solved, the adjacent magnetic rings are abutted, the heat conductivity coefficient of each magnetic ring is high, the heat conduction among the magnetic rings can be realized, and the heat energy is fully utilized; on the other hand, the heating device is obliquely arranged, when the heating channel generates high temperature, the heat energy in the heating channel guides the air upwards and compresses the air out of the heating channel, the condition that inert gas or vacuum environment needs to be introduced into the traditional heat treatment furnace can be avoided, the production cost is reduced, and the process condition is simplified.

In order to further ensure the stable and efficient operation of the pushing part, the pushing part comprises a lead screw, the lead screw is connected with a driving motor, a lead screw nut is sleeved on the lead screw, a push plate is connected to the lead screw nut, and the push plate moves in a reciprocating manner in the guiding direction of the arc-shaped groove; the push plate is pressed on the magnetic ring, and when the driving motor drives the screw rod to rotate, the screw rod nut is linked with the push plate to push the magnetic ring to move from the input port to the output port.

The feeding device is provided with a PLC control assembly, and the PLC control assembly is electrically connected with the driving motor. The PLC control assembly intelligently controls the running speed of the driving motor, so that the running speed of the magnetic ring is controlled.

The inner wall of the arc-shaped groove is matched with the outer circumferential wall of the magnetic ring. The arc-shaped groove of the structure has a guiding effect on the movement of the magnetic ring, and the inner wall of the arc-shaped groove is matched with the outer circumferential wall of the magnetic ring, so that the magnetic ring can move smoothly, and the friction caused by the movement of the magnetic ring can be reduced.

The heating device is internally provided with a guide piece for guiding the magnetic ring to move, the heating channel is arranged in the guide piece, and the inner side wall of the heating channel is matched with the outer peripheral wall of the magnetic ring. The guide piece is a quartz tube, the quartz tube has good heat conducting property, heat can be efficiently transferred to the magnetic ring, and the inner wall of the quartz tube is smooth, so that friction is reduced in the moving process of the magnetic ring, and local internal stress of the magnetic ring is prevented from being generated. The inner side wall of the heating channel is designed to be matched with the outer peripheral wall of the magnetic rings, so that the magnetic rings can be vertically and orderly arranged in the moving process, and the end faces of the adjacent magnetic rings can be closely attached to each other. And the design can make the air in the heating channel as little as possible, so that the heat energy in the heating channel can better compress the air out of the heating channel.

The heating device is provided with a plurality of heating zones with independent temperature control, each heating zone is communicated with each other to form a heating channel, the heating channels are communicated with the input port and the output port, and a plurality of heating components surrounding the heating channels are arranged in the heating zones. The heating channels are lengthened by arranging the plurality of heating zones with independent temperature control, and each heating zone is heated on four sides, so that the temperature of the magnetic ring is uniform and balanced, the internal stress of the magnetic ring is further eliminated, and the heat treatment time is reduced.

After the magnetic ring is subjected to heat treatment from the heating device, the surface temperature of the magnetic ring is high, and in order to enable the magnetic ring to be rapidly cooled to room temperature, a cooling device for cooling the magnetic ring is further arranged on the rack, the input end of the cooling device corresponds to the output port, and the cooling device is arranged in an upward inclined mode along the moving direction of the magnetic ring.

The invention also provides the following technical scheme: a heat treatment system is provided with the magnetic ring heat treatment furnace.

The invention has the beneficial effects that:

1. through the feeding device and the heating device which are obliquely arranged, the magnetic rings are orderly arranged under the action of gravity and are closely arranged, so that the adjacent magnetic rings are favorably abutted, the problem that the adjacent magnetic rings are easy to collide is solved, the adjacent magnetic rings are abutted, the heat conductivity coefficient of each magnetic ring is high, and the heat energy is fully utilized.

2. The heating device is obliquely arranged, when the heating channel generates high temperature, the heat energy in the heating channel guides the air upwards and compresses the air out of the heating channel, so that the condition that inert gas or vacuum environment needs to be introduced into the traditional heat treatment furnace can be avoided, the production cost is reduced, and the process condition is simplified.

3. The pushing piece adopts a screw rod transmission design, so that the pushing operation of the magnetic ring is stable.

4. The guide piece is arranged for guiding the magnetic ring to move, so that friction of the magnetic ring is reduced in the moving process, and local internal stress of the magnetic ring is prevented from being generated. The inner side wall of the heating channel is designed to be matched with the outer peripheral wall of the magnetic rings, so that the magnetic rings can be vertically and orderly arranged in the moving process, and the end faces of the adjacent magnetic rings can be closely attached to each other. And the design can make the air in the heating channel as little as possible, so that the heat energy in the heating channel can better compress the air out of the heating channel.

Drawings

FIG. 1 is a schematic structural diagram in an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of a feeding device in an embodiment of the present invention;

fig. 4 is a side view of a feeding device in an embodiment of the present invention.

Description of reference numerals:

the device comprises a rack 1, a feeding device 2, a pushing member 201, a screw rod 202, a screw rod nut 203, a push plate 204, a driving motor 205, an arc-shaped groove 206, a heating device 3, an input port 301, an output port 302, a heating zone 303, a heating channel 304, a guide piece 305, a heating component 306, a magnet 4, an induction coil 401, a cooling device 5, a water tank 6, an electric box 7 and a magnetic ring 8.

Detailed Description

In order to make the technical solution, the purpose and the advantages of the present invention more apparent, the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 4, a magnetic ring heat treatment furnace includes a frame 1, a feeding device 2 located on the frame 1, a heating device 3, and a cooling device 5, wherein a tubular heating channel 304 is provided in the heating device 3, two opposite ends of the heating channel 304 are respectively provided with an input port 301 and an output port 302, the heating device 3 is provided with a plurality of heating zones 303 with independent temperature control, and the heating zones 303 are communicated with each other to form the heating channel 304. The magnetic ring 8 is subjected to heat treatment in the heating channel 304, the feeding device 2 applies a pushing force to the magnetic ring 8, the pushing force moves from the input port 301 to the output port 302, the feeding device 2, the heating device 3 and the cooling device 5 are arranged in an upward inclined mode along the moving direction of the magnetic ring 8, the horizontal position of the output port 302 is higher than that of the input port 301, and the end faces of the adjacent magnetic rings 8 are arranged in a mutually attached mode under the action of gravity.

As shown in fig. 3 to 4, the feeding device 2 is provided with a pushing member 201 and an arc-shaped groove 206 for placing a plurality of magnetic rings 8, the magnetic rings 8 are vertically and orderly arranged in the arc-shaped groove 206, the arc-shaped groove 206 is communicated with the input port 301, the pushing member 201 applies a pushing force to the magnetic rings 8, the pushing force moves from the input port 301 to the output port 302, in order to further ensure stable and efficient operation of the pushing member 201, the pushing member 201 includes a lead screw 202, the lead screw 202 is connected with a driving motor 205, a lead screw nut 203 is sleeved on the lead screw 202, a push plate 204 is connected to the lead screw nut 203, and the push plate 204 reciprocates in the direction of the arc-shaped groove 206; the push plate 204 is pressed on the magnetic ring 8, and when the driving motor 205 drives the lead screw 202 to rotate, the lead screw nut 203 is linked with the push plate 204 to push the magnetic ring 8 to move from the input port 301 to the output port 302. The design of screw rod transmission can ensure that the push plate can stably do reciprocating motion, and the pushing stability of the magnetic ring is ensured. The inner wall of the arc-shaped slot 206 is matched with the outer circumferential wall of the magnetic ring 8, as shown in fig. 4. The arc-shaped groove 206 of the structure has a guiding function on the movement of the magnetic ring 8, and the inner wall of the arc-shaped groove 206 is matched with the outer circumferential wall of the magnetic ring 8, so that the magnetic ring 8 can move smoothly, and the friction caused by the movement of the magnetic ring 8 can be reduced. In this embodiment, the feeding device 2 is provided with a PLC control component, and the PLC control component is electrically connected to the driving motor 205. The PLC control module intelligently controls the operation speed of the driving motor 205, thereby controlling the operation speed of the magnetic ring 8.

A guide 305 for guiding the magnetic ring 8 to move is arranged in the heating device 3, the heating channel 304 is arranged in the guide 305, and the inner side wall of the heating channel 304 is matched with the outer peripheral wall of the magnetic ring 8. The guide piece 305 is a quartz tube, which has good heat conductivity, and can efficiently transfer heat generated by the heating component 306 to the magnetic ring 8, so that the inside and the outside of the magnetic ring 8 are uniformly heated, and the inner wall of the quartz tube is smooth, thereby reducing friction of the magnetic ring 8 in the moving process and preventing local internal stress of the magnetic ring 8 from being generated. The inner side wall of the heating channel 304 is designed to be matched with the outer peripheral wall of the magnetic rings 8, so that the magnetic rings 8 are vertically and orderly arranged in the moving process, and the end faces of the adjacent magnetic rings 8 can be closely attached to each other. And this design may allow as little air as possible within the heating tunnel 304, allowing the thermal energy within the heating tunnel 304 to better compress the air out of the heating tunnel 304.

The heating device 3 is provided with a plurality of heating zones 303 with independent temperature control, each heating zone 303 is communicated with each other to form a heating channel 304, the heating channel 304 is communicated with the input port 301 and the output port 302, and a plurality of heating components 306 surrounding the heating channel 304 are arranged in the heating zones 303. The heating components 306 are arranged in sequence uniformly and tightly, and the heating components 306 are heating wire sets with stable properties. By arranging a plurality of heating zones 303 with independent temperature control, the heating channel 304 is lengthened, and each heating zone 303 forms four-side heating, so that the temperature of the magnetic ring 8 is uniform and balanced, the internal stress of the magnetic ring 8 is further eliminated, and the heat treatment time is reduced. In this embodiment, the temperature of the heating device 3 is controlled by a PLC.

The magnetic ring 8 needs to be magnetized while performing the heat treatment, in this embodiment, a magnetizing body 4 is disposed outside the heating area 303 corresponding to the rear section of the heating channel 304, the magnetizing body 4 includes an inductance coil 401 disposed around the outer wall of the heating device 3, and the inductance coil 401 generates a magnetic field passing through the heating channel 304 by supplying power through the electric box 7, so as to magnetize the magnetic ring 8 in the heating channel 304, so that the magnetic ring 8 can be magnetized while performing the heat treatment. The magnetizing body 4 can generate a transverse magnetic field or a longitudinal magnetic field, the transverse magnetic field or the longitudinal magnetic field or the composite action of the transverse magnetic field and the longitudinal magnetic field can be selected according to the requirements of a specific heat treatment process, a high-frequency power supply is introduced into the electric box 7 to generate a high magnetic field, and the magnetizing treatment is carried out on the magnetic ring 8, so that the magnetic hysteresis loop of the magnetic ring 8 is in a high rectangular ratio or low remanence form.

After the magnetic ring 8 is subjected to heat treatment from the heating device 3, the surface temperature of the magnetic ring 8 is high, and in order to quickly cool the magnetic ring 8 to room temperature, the frame 1 is further provided with a cooling device 5 for cooling the magnetic ring 8, an input end of the cooling device 5 corresponds to the output port 302, and the cooling device 5 is arranged in an upward inclined manner along the moving direction of the magnetic ring 8. A cooling zone is arranged in the cooling device 5, and a pipeline for circulating water is also arranged and arranged around the cooling zone, and the pipeline is made of aluminum materials.

In this embodiment, the feeding device 2, the heating device 3 and the cooling device 5 are inclined upwards at an angle of 10-30 degrees in order to allow the magnetic ring 8 to move closer and the heat energy in the heating channel 304 to compress air out of the heating channel 304 better.

The cooling water is supplied from a water tank 6.

The invention also provides the following technical scheme: a heat treatment system is provided with the magnetic ring heat treatment furnace.

The above description is only a preferred embodiment of the present invention, and those skilled in the art may still modify the described embodiment without departing from the implementation principle of the present invention, and the corresponding modifications should also be regarded as the protection scope of the present invention.