Oriented silicon steel leveling and annealing device and method based on dynamic magnetic field regulation and control

Abstract

The invention discloses an oriented silicon steel leveling annealing device and method based on dynamic magnetic field regulation and control, the device comprises an annealing furnace and a regulation and control module, the regulation and control module is arranged on the inner side of a heat preservation and insulation layer, the regulation and control module comprises a first regulation plate, a second regulation frame and a first regulation column, and a first connection ball column is embedded in one side of the second regulation frame; an electromagnetic unit is mounted on the side, facing the oriented silicon steel, of the mounting plate. The regulation and control module is arranged and comprises the rack frame, the first adjusting column and the second adjusting plate, the purpose of adjusting the direction of an auxiliary magnetic field generated by the electromagnetic unit is achieved, then the included angle between the magnetic field direction and the grain magnetization direction in the oriented silicon steel is dynamically regulated and controlled, orientation induction of the grain structure in the oriented silicon steel is achieved, and the orientation induction efficiency is improved. And the distribution orderliness and uniformity of the grain structure are improved, so that the quality of the oriented silicon steel after annealing treatment is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oriented silicon steel heat treatment, in particular to an oriented silicon steel flattening annealing device and method based on dynamic magnetic field regulation. BACKGROUND

[0002] Oriented silicon steel is a kind of silicon-iron alloy with grain structure inside, mainly used for manufacturing transformer cores, which can significantly reduce power loss. In the preparation process of oriented silicon steel, in order to improve the quality of oriented silicon steel products, annealing devices are needed to perform annealing heat treatment on oriented silicon steel. In the current annealing process, in order to optimize the grain structure, an auxiliary magnetic field is usually generated in the annealing furnace by using a coil, but the fixed form of magnetic field generated thereby can cause uneven distribution and inconsistent crystal size of the crystal structure at the edge and center positions of the oriented silicon steel, thereby reducing the quality of the oriented silicon steel products.

[0003] The defects of the existing annealing device are:

[0004] Patent document CN220867471U discloses a magnetic field heat treatment device for continuous stretching and flattening annealing of oriented silicon steel, which comprises a stretching and flattening annealing furnace body, a limiting disassembly mechanism and a magnetic field heat treatment connecting mechanism. The magnetic field heat treatment connecting mechanism connects the coil body with the limiting disassembly mechanism.

[0005] The above patent mainly considers how to conveniently remove the magnetic field generating unit from the annealing device, but does not consider how to dynamically regulate the magnetic field generated by the electromagnetic generating unit during the annealing process to improve the grain structure size and distribution uniformity of the oriented silicon steel. SUMMARY

[0006] The present application aims to provide an oriented silicon steel flattening annealing device and method based on dynamic magnetic field regulation to solve the problems raised in the background art.

[0007] To achieve the above-mentioned purpose, the present application provides the following technical solution: an oriented silicon steel flattening annealing device based on dynamic magnetic field regulation, comprising an annealing furnace and a regulation module, the inner wall of the annealing furnace is provided with a heat preservation and insulation layer, and the inner side of the heat preservation and insulation layer is provided with a regulation module.

[0008] The adjusting module comprises an adjusting plate one, an adjusting frame two and an adjusting column one, the inner wall of the heat insulation layer is slidably connected with the adjusting plate one, the outer wall of the adjusting plate one is embeddedly installed with the adjusting frame two, the side of the adjusting frame two facing the oriented silicon steel is embeddedly installed with a first connecting spherical column, one end of the connecting spherical column is connected with a mounting plate, the side of the mounting plate facing the oriented silicon steel is installed with an electromagnetic unit, the top of the annealing furnace is penetratedly installed with the adjusting column one, the outer wall of the adjusting column one is embeddedly installed with a connecting frame, the outer wall of the connecting frame is sleeved with an adjusting plate two, the outer wall of the adjusting plate two is penetratedly provided with a connecting frame, the top wall of the connecting frame is installed with a second connecting spherical column, the inner wall of the connecting frame is penetratedly provided with a connecting plate, the second connecting spherical column is embedded in the top of the connecting plate, and one side of the connecting plate is fixedly connected with the outer wall of the mounting plate, the top of the annealing furnace is installed with an electric push rod one, the output end of the electric push rod one is connected with a rack frame, the outer wall of the rack frame is meshingly connected with a gear, and the side of the rack frame away from the gear is fixedly connected with the adjusting column one.

[0009] Preferably, the electromagnetic unit is a permanent magnet, and the electromagnetic unit is used for forming an auxiliary magnetic field in the annealing furnace.

[0010] Preferably, the front and back sides of the mounting plate are symmetrically provided with two groups of adjusting columns one, the outer walls of the two groups of adjusting columns one are respectively connected with rack frames, the rack frames are simultaneously meshed with a group of gears, the top of the annealing furnace is connected with a mounting frame, and the gears are sleeved on the outer wall of the mounting frame.

[0011] Preferably, the top of the adjusting column one is installed with a first servo motor, the output end of the first servo motor is installed with a bidirectional screw rod, and the connecting frame one is sleeved on the outer wall of the bidirectional screw rod.

[0012] Preferably, the top of the annealing furnace is penetratedly installed with a lifting frame, the lifting frame is located on the left and right sides of the adjusting column one, the bottom end of the lifting frame is fixedly connected with the top of the adjusting plate one, the outer wall of the annealing furnace is installed with an electric push rod two, and the output end of the electric push rod two is fixedly connected with the inner wall of the lifting frame.

[0013] Preferably, the front of the annealing furnace is installed with a second servo motor, the output end of the second servo motor is installed with a reciprocating screw rod, the reciprocating screw rod is located in the interior of the annealing furnace, the top wall and the bottom wall of the annealing furnace are both installed with guide strips, the outer wall of the reciprocating screw rod is sleeved with a sliding block, and the sliding block is slidably connected with the outer wall of the guide strip.

[0014] The side of the adjusting plate one away from the electromagnetic unit is penetratedly provided with an adjusting groove, the outer wall of the adjusting frame two is fixedly installed with an expansion cylinder, the expansion cylinder is penetratedly arranged in the inner side of the adjusting groove, and the end of the expansion cylinder away from the adjusting frame is fixedly connected with the outer wall of the sliding block.

[0015] Preferably, the spherical outer wall of the first connecting spherical column is installed with a limiting clamping column, the inner wall of the adjusting frame is provided with a guide groove, and the inner wall of the guide groove is slidably connected with the outer wall of the limiting clamping column.

[0016] Preferably, the inner wall of the annealing furnace is embedded with a compression roller, which is located at the right side of the electromagnetic unit and is used for flat stretching of the oriented silicon steel passing through the electromagnetic unit area.

[0017] An oriented silicon steel flat annealing method based on dynamic magnetic field regulation, which comprises the following steps:

[0018] S1, the oriented silicon steel enters the annealing furnace from left to right and sequentially passes through the electromagnetic unit installation area and the compression roller installation area;

[0019] S2, the temperature in the annealing furnace is increased to a set annealing temperature for annealing heat treatment, and an auxiliary magnetic field is generated in the annealing furnace by using the electromagnetic unit;

[0020] S3, the direction of the auxiliary magnetic field is dynamically regulated to directionally induce the grain structure in the oriented silicon steel;

[0021] S4, after the magnetic field assisted annealing, the oriented silicon steel moves to the right to the compression roller installation area, and the compression roller is used to apply pressure to the oriented silicon steel for flat stretching treatment.

[0022] Preferably, in S2, the following steps are further included:

[0023] S21, the second electric push rod is elongated or shortened, the first adjusting plate is moved away from or close to the oriented silicon steel by the lifting frame, and the first servo motor is rotated forward or reversely to drive the connecting frame to move upward or downward along the outer wall of the lead screw, so that the electromagnetic units on the upper and lower sides of the oriented silicon steel are simultaneously moved away from or close to the oriented silicon steel.

[0024] In S3, the following steps are further included:

[0025] S31, the first electric push rod is shortened, the first adjusting column on the left side is moved downward by the rack frame, the second adjusting column on the right side is moved upward by the gear transmission, the second adjusting plate is moved by the first adjusting column through the connecting frame, the mounting plate and the electromagnetic unit are rotated by the connecting plate, and the direction of the magnetic field is dynamically regulated.

[0026] Compared with the prior art, the present application has the following advantages:

[0027] 1, the present application is installed with a regulation module, including a rack, a first adjusting column and a second adjusting plate, which adjusts the direction of the auxiliary magnetic field generated by the electromagnetic unit, dynamically regulates the included angle between the magnetic field direction and the grain magnetization direction in the oriented silicon steel, realizes the orientation induction of the grain structure in the oriented silicon steel, improves the orderliness and uniformity of the distribution of the grain structure, and improves the quality of the oriented silicon steel after annealing treatment.

[0028] 2、The present application is characterized in that the two-way screw rod is arranged in the inside of the adjusting column one, the connecting frame one is moved by the two-way screw rod, and the mounting plate and the electromagnetic unit are moved, and the adjusting plate one and the electromagnetic unit are moved synchronously by the electric push rod two and the lifting frame, the distance between the two electromagnetic units is dynamically adjusted, the strength of the auxiliary magnetic field is adjusted, and the size and distribution of the grain structure of the oriented silicon steel are optimized.

[0029] 3、The present application is characterized in that the second servo motor, the reciprocating screw rod, the sliding block and the telescopic cylinder are arranged, the telescopic cylinder moves the adjusting frame two left and right under the driving of the reciprocating screw rod, and the mounting plate and the electromagnetic unit move left and right under the driving of the telescopic cylinder, the space position change dynamic alternating magnetic field of the magnetic pole unit relative to the oriented silicon steel is formed, and the dynamic regulation and control of the auxiliary magnetic field are realized.

[0030] 4、The present application is characterized in that the limiting clamping column and the guide groove are arranged, the relative stable state of the electromagnetic unit and the adjusting plate one is maintained when the position of the electromagnetic unit is adjusted vertically and horizontally, and the rotating direction of the battery unit is limited when the angle of the electromagnetic unit is adjusted, so that the accuracy of the angle adjustment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is the overall structure schematic diagram of the present application;

[0032] Figure 2 It is the front structure schematic diagram of the present application;

[0033] Figure 3 It is the adjusting plate one structure schematic diagram of the present application;

[0034] Figure 4 It is the side structure schematic diagram of the present application;

[0035] Figure 5 It is the mounting plate overhead structure schematic diagram of the present application;

[0036] Figure 6 It is the connecting frame overall structure schematic diagram of the present application;

[0037] Figure 7 It is the connecting frame two side structure schematic diagram of the present application.

[0038] In the figure: 1, annealing furnace; 2, heat preservation and insulation layer; 3, adjusting plate one; 4, adjusting frame two; 5, first connecting ball column; 6, mounting plate; 7, electromagnetic unit; 8, adjusting column one; 9, connecting frame; 10, adjusting plate two; 11, connecting frame; 12, second connecting ball column; 13, connecting plate; 14, rack frame; 15, electric push rod one; 16, gear; 17, mounting frame; 18, first servo motor; 19, bidirectional screw rod; 20, lifting frame; 21, electric push rod two; 22, second servo motor; 23, reciprocating screw rod; 24, sliding block; 25, telescopic cylinder; 26, adjusting groove; 27, guide bar; 28, limiting clamping column; 29, guide groove; 30, compression roller. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0040] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0041] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] Please refer to Figure 1 and Figure 2The application provides an embodiment of an oriented silicon steel leveling annealing device based on dynamic magnetic field regulation, which comprises an annealing furnace 1 and a regulation module. The regulation module is arranged in the annealing furnace 1 and is used for regulating an auxiliary magnetic field in the annealing furnace 1. The annealing furnace 1 comprises an annealing furnace 1 body and supporting feet arranged at the bottom of the annealing furnace 1 body. A heat preservation and insulation layer 2 is arranged on the inner wall of the annealing furnace 1. The heat preservation and insulation layer 2 is selected from a ceramic heat preservation and insulation layer 2, an aluminum silicate heat preservation and insulation layer 2 or other heat preservation materials. High-temperature ceramic paint is sprayed on the outer wall of the annealing furnace 1, so that a heat preservation and insulation coating is formed on the outer wall of the annealing furnace 1. The heat preservation and insulation layer 2 on the inner wall of the annealing furnace 1 and the heat preservation and insulation coating on the outer wall of the annealing furnace 1 are used for avoiding or reducing temperature loss in the annealing furnace 1, so that the annealing temperature in the annealing furnace 1 can be kept stable, and a large amount of heat is prevented from being transferred to the outer wall of the annealing furnace 1, so that the safety of the equipment or the operator of the outer wall of the annealing furnace 1 is not adversely affected. A temperature control module is arranged in the annealing furnace 1. The temperature control module comprises a temperature rising unit and a temperature reducing unit. The temperature rising unit is one or a combination of more than one of a heating resistor, an electric heating tube and an infrared heater. The temperature reducing unit comprises an exhaust fan or a cooling pipeline arranged in the annealing furnace 1. The cooling pipeline is used for reducing the temperature by injecting cooling liquid into the cooling pipeline. The temperature rising unit is used for increasing the temperature in the annealing furnace 1. The temperature reducing unit is used for reducing the temperature in the annealing furnace 1. The temperature control unit is used for keeping the temperature in the annealing furnace 1 at a set annealing temperature. The temperature in the annealing furnace 1 can be monitored in real time by arranging a temperature sensor in the annealing furnace 1.

[0043] A compression roller 30 is embedded and arranged on the inner wall of the annealing furnace 1. The compression roller 30 is located at the right side of the electromagnetic unit 7. The compression roller 30 comprises two groups of supporting rollers with the same height and a leveling roller located between the two groups of supporting rollers. The position of the leveling roller is lower than that of the supporting rollers. The height of the supporting rollers can be adjusted, so that the tension applied to the oriented silicon steel can be adjusted. The leveling roller is used for leveling and stretching the oriented silicon steel passing through the region of the electromagnetic unit 7, so that the grain structure uniformity in the oriented silicon steel is further improved.

[0044] Please refer to Figure 1 、 Figure 2 、 Figure 6 and Figure 7 An embodiment of the application provides an oriented silicon steel leveling annealing device based on dynamic magnetic field regulation, which comprises an annealing furnace 1 and a regulation module. The inner wall of the annealing furnace 1 is provided with the heat preservation and insulation layer 2. The inner side of the heat preservation and insulation layer 2 is provided with the regulation module.

[0045] The control module includes an adjustment plate 3, an adjustment frame 4, and an adjustment column 8. The adjustment plate 3 is slidably connected to the inner wall of the thermal insulation layer. Viewed from above, the adjustment plate 3 is in the shape of an "I". There are two sets of adjustment plates 3, symmetrically distributed on the upper and lower sides of the grain-oriented silicon steel. An adjustment frame 4 is embedded in the outer wall of the adjustment plate 3 facing the grain-oriented silicon steel. The adjustment frame 4 consists of multiple rectangular frames and connecting rods. Adjacent sets of rectangular frames are connected by connecting rods. A connecting ball column is embedded in the rectangular frames of the adjustment frame 4 facing the grain-oriented silicon steel. An installation plate 6 is connected to one end of the connecting column facing the grain-oriented silicon steel. An electromagnetic unit 7 is installed on the side of the installation plate 6 facing the grain-oriented silicon steel. The electromagnetic unit 7 is used to generate an auxiliary magnetic field in the annealing furnace 1. The electromagnetic unit 7 includes a permanent magnet. An adjusting column 8 is installed through the top of the annealing furnace 1. The adjusting columns 8 are symmetrically distributed on the front and rear sides of the adjusting plate 3. A first servo motor 18 is installed on the top of the adjusting column. The output end of the first servo motor 18 is connected to a bidirectional lead screw 19. The bidirectional lead screw 19 is located inside the adjusting column 8 and extends into the annealing furnace 1. A groove is provided in the wall, and a connecting frame 9 passes through the groove. The connecting frame 9 is sleeved on the outer wall of the bidirectional lead screw 19. The groove restricts the movement direction of the connecting frame 9, allowing it to move up or down along the inner wall of the groove. An adjusting plate 2 10 is sleeved on the outer wall of the connecting frame 9, and the adjusting plate 2 10 is slidably connected to the connecting frame 9. A connecting frame 11 is provided through the outer wall of the adjusting plate 2 10. When the adjusting plate 2 10 is sleeved on the connecting frame 9, the connecting frame 11 is located between the two sets of support rods of the connecting frame 9. A second connecting ball post 12 is installed on the top wall of the connecting frame 11. A connecting plate 13 is provided through the inner wall of 11. The second connecting ball column 12 is embedded in the top of the connecting plate 13, and one side of the connecting plate 13 is fixedly connected to the outer wall of the mounting plate 6. The top and bottom of the annealing furnace 1 are both equipped with lifting frames 20, and the lifting frames 20 are located on the left and right sides of the adjusting column 8. The lifting frame 20 is an "L" shaped support. The vertical end of the lifting frame 20 is fixedly connected to the side of the adjusting plate 3 away from the oriented silicon steel. Electric push rods 21 are installed on the front and back of the annealing furnace 1, and the output end of the electric push rods 21 is fixedly connected to the inner wall of the lifting frame 20.

[0046] Further, by starting the first servo motor 18, the bidirectional screw rod 19 is driven to rotate, so that the two groups of connecting frames 9 sleeved on the same group of bidirectional screw rods 19 are simultaneously moved towards the orientation silicon steel, the connecting frame 9 drives the adjusting plate two 10 to move synchronously, the connecting plate 13 is driven to move by the adjusting plate two 10, and then the mounting plate 6 and the electromagnetic unit 7 are simultaneously moved, when the first servo motor 18 is started, the electric push rod two 21 is started synchronously, the electric push rod two 21 is shortened, the lifting frame 20 is driven to move towards the orientation silicon steel, and then the adjusting plate one 3 is moved, and the adjusting plate one 3 moves the same distance and direction as the mounting plate 6 and the electromagnetic unit 7, so that the mounting plate 6 and the electromagnetic unit 7 remain in a stable state during movement, the lifting frame 20 and the bidirectional screw rod 19 are installed, and the distance between the upper and lower electromagnetic units 7 and the orientation silicon steel is adjusted synchronously under the driving of the electric push rod two 21 and the first servo motor 18, so that the two groups of electromagnetic units 7 are always symmetrically distributed about the orientation silicon steel, and then the distribution uniformity of the auxiliary magnetic field is improved, and then the grain in the orientation silicon steel is uniformly grown under the action of the auxiliary magnetic field, the distance between the two groups of electromagnetic units 7 is dynamically adjusted, the strength of the auxiliary magnetic field is adjusted, and the grain structure of the orientation silicon steel is optimized.

[0047] Please refer to Figure 1 、 Figure 3 and Figure 6 , the application provides an embodiment: a kind of based on dynamic magnetic field regulation and control orientation silicon steel flat annealing device, including the second servo motor 22 of the front installation of annealing furnace 1, the installation group number of second servo motor 22 is two groups, symmetrically distributed in the upper and lower sides of the feed inlet opened in the front of annealing furnace 1, the output end of second servo motor 22 is installed with reciprocating screw rod 23, reciprocating screw rod 23 is located in annealing furnace 1, and reciprocating screw rod 23 is located at the middle position of annealing furnace 1, the top wall and bottom wall of annealing furnace 1 are installed with guide strip 27, guide strip 27 is located between the inner wall of annealing furnace 1 and reciprocating screw rod 23, the outer wall of reciprocating screw rod 23 is sleeved with sliding block 24, the installation group number of sliding block 24 is two groups, and sliding block 24 is slidably connected with the outer wall of guide strip 27, the side, away from electromagnetic unit 7 of adjusting plate one 3, is penetrated with adjusting groove 26, and the side of adjusting groove 26 is attached with the outer wall of adjusting frame two 4, the outer wall of the side, away from orientation silicon steel of adjusting frame two 4, is fixedly installed with telescopic cylinder 25, telescopic cylinder 25 is penetrated in the inner side of adjusting groove 26, and the end, away from adjusting frame of telescopic cylinder 25, is fixedly connected with the outer wall of sliding block 24, by installing telescopic cylinder 25, when the position of adjusting plate one 3 is dynamically adjusted, the position adjustment process of adjusting plate one 3 is avoided.

[0048] Further, by synchronously starting the first servo motor 18 and the electric push rod two 21, the positions of the adjusting plate one 3 and the mounting plate 6 are adjusted synchronously, and then the relative position between the electromagnetic unit 7 and the oriented silicon steel is adjusted, by starting the second servo motor 22 to drive the reciprocating screw rod 23 to rotate forward or reversely alternately, the sliding block 24 on the outer wall of the reciprocating screw rod 23 slides left and right along the outer wall of the guide strip 27, and the reciprocating sliding distance of the sliding block 24 is 10-80mm, the sliding block 24 drives the telescopic cylinder 25 to move left and right, the telescopic cylinder 25 drives the adjusting frame two 4 to slide left and right along the inner wall of the adjusting plate one 3, and the position of the adjusting plate one 3 remains in a static state during the starting process of the second servo motor 22, thereby keeping the stable length of the telescopic cylinder 25, which is beneficial to improve the moving distance accuracy of the adjusting frame two 4, by moving the adjusting frame two 4, the first connecting ball column 5 drives the mounting plate 6 and the electromagnetic unit 7 to move left and right, and then the magnetic pole unit forms a dynamic magnetic field with spatial position change relative to the oriented silicon steel, thereby realizing dynamic regulation and control of the auxiliary magnetic field.

[0049] Please refer to Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 , the application provides an embodiment: an oriented silicon steel flat annealing device based on dynamic magnetic field regulation and control, comprising an annealing furnace 1 and a regulation and control module, the inner wall of the annealing furnace 1 is provided with a heat preservation and insulation layer 2, the inner side of the heat preservation and insulation layer 2 is provided with the regulation and control module, the regulation and control module comprises an adjusting plate one 3, an adjusting frame two 4 and an adjusting column one 8, the inner wall of the heat preservation and insulation layer is slidably connected with the adjusting plate one 3, the outer wall of the adjusting plate one 3 is embeddedly provided with the adjusting frame two 4, the side of the adjusting frame two 4 facing the oriented silicon steel is embeddedly provided with a first connecting ball column 5, the spherical end of the first connecting ball column 5 is embedded in the outer wall of the adjusting frame two 4, the columnar end of the first connecting ball column 5 is connected with a mounting plate 6, the side of the mounting plate 6 facing the oriented silicon steel is provided with an electromagnetic unit 7, the first connecting ball column 5 provides connection for the mounting plate 6 and the adjusting plate one 3, and provides a rotating space for the mounting plate 6 and the electromagnetic unit 7;

[0050] The top of the annealing furnace 1 is provided with adjusting column one 8, a set of mounting plates 6 and electromagnetic units 7 correspond to two sets of front and back symmetrical adjusting column one 8, the outer wall of adjusting column one 8 is embedded with connecting frame 9, connecting frame 9 is composed of a set of horizontal rods and a set of connected "N" shaped frame, the outer wall of connecting frame 9 is sleeved with adjusting plate two 10, the outer wall of adjusting plate two 10 is provided with connecting frame 11, the top wall of connecting frame 11 is provided with second connecting ball column 12, the inner wall of connecting frame 11 is provided with connecting plate 13, connecting plate 13 is symmetrically arranged on the front and back of mounting plate 6, and second connecting ball column 12 is embedded on the top of connecting plate 13, the outer wall of second connecting ball column 12 is slidably connected with the inner wall of connecting plate 13, the outer wall of adjusting column one 8 is provided with rack frame 14, rack frame 14 is located above the annealing furnace 1, and rack frame 14 is "L" shaped support, the outer wall of the side of the two sets of rack frame 14 close to each other is embedded with rack, the top of the annealing furnace 1 is connected with mounting frame 17, the outer wall of mounting frame 17 is sleeved with gear 16, and gear 16 is engaged with the two sets of rack frame 14 at the same time, so that the two sets of racks have opposite moving trends under the engagement connection of gear 16, the top of the annealing furnace 1 is provided with electric push rod one 15, and the output end of electric push rod one 15 is connected with the top wall of the front set of rack frame 14.

[0051] Further, when the auxiliary magnetic field is angle-regulated, the first servo motor 18 and the electric push rod two 21 are stationary, the adjusting plate one 3 is in a stationary state, the position stability of the adjusting plate one 3 is maintained, the electric push rod two 21 is shortened, a group of front rack frames 14 are driven to move downward, a group of rear rack frames 14 are driven to move upward under the transmission of the gear 16, then a group of front adjusting columns one 8 are driven to move downward and a group of rear adjusting columns one 8 are driven to move upward under the drive of the rack frame 14, the adjusting column one 8 drives the adjusting plate one 3 to move through the connecting frame 9, when the adjusting plate one 3 moves, the second connecting ball column 12 is driven to slide along the embedded connection at the top of the connecting plate 13, and the connecting plate 13 is driven to move by the second connecting ball column 12, the connecting plate 13 located in front of the mounting plate 6 is driven to move upward by the adjusting plate two 10, and the connecting plate 13 located behind the mounting plate 6 is driven to move downward by the adjusting plate two 10, then the mounting plate 6 rotates around the embedded connection of the first connecting ball column 5 and the adjusting frame two 4, and the rotating adjustment range of the mounting plate 6 and the electromagnetic unit 7 is 5-15°, so that the mounting plate 6 and the electromagnetic unit 7 present a forward low and backward high inclined state, and vice versa, the electric push rod one 15 is activated to move upward and elongate, a group of front rack frames 14 drive the adjusting column one 8 to move upward, and a group of rear rack frames 14 drive the adjusting column one 8 to move downward, so that the mounting plate 6 and the electromagnetic unit 7 present a forward high and backward low inclined state, through the setting of the regulation module, the direction of the auxiliary magnetic field generated by the electromagnetic unit 7 is adjusted, then the angle between the magnetic field direction and the orientation of the silicon steel grain magnetization direction is dynamically regulated, the orientation induction of the grain structure in the oriented silicon steel is realized, the order and uniformity of the distribution of the grain structure are improved, and then the quality of the oriented silicon steel after annealing treatment is improved.

[0052] Please refer to Figure 6 and Figure 7 , the application provides an embodiment: an oriented silicon steel flat annealing device based on dynamic magnetic field regulation, the spherical outer wall of the first connecting ball column 5 is provided with a limiting clamping column 28, the inner wall of the adjusting frame is provided with a guide groove 29, the guide groove 29 is arc-shaped, and the inner wall of the guide groove 29 is in sliding connection with the outer wall of the limiting clamping column 28, when the spherical end of the first connecting ball column 5 rotates, the limiting clamping column 28 is driven to slide along the inner wall of the guide groove 29, through the setting of the guide groove 29 and the limiting clamping column 28, when the position of the adjusting plate one 3 and the oriented silicon steel is adjusted, and the horizontal position of the mounting plate 6 and the electromagnetic unit 7 is adjusted, the first connecting ball column 5 drives the mounting plate 6 and the electromagnetic unit 7 to rotate in a non-set direction, the stability of the mounting plate 6 and the electromagnetic unit 7 in the position regulation process is improved, and when the electromagnetic unit 7 is rotationally regulated, the inclination direction of the electromagnetic unit 7 is accurately controlled, and the accuracy of the angle regulation of the auxiliary magnetic field is improved.

[0053] Working principle: pass the oriented silicon steel into the annealing furnace 1, use the temperature control module to adjust the temperature in the annealing furnace 1 to the set annealing temperature, utilize high temperature to carry out decarburization annealing treatment to the oriented silicon steel, generate auxiliary magnetic field in the annealing furnace 1 through the electromagnetic unit 7 distributed on both sides of the oriented silicon steel, under the action of the auxiliary magnetic field, the oriented silicon steel carries out the occurrence and arrangement of the texture grain structure, through the installation of the lifting frame 20 and the bidirectional screw rod 19, under the driving of the electric push rod two 21 and the first servo motor 18, the distance between the two kinds of electromagnetic units 7 and the oriented silicon steel is adjusted synchronously, then the auxiliary magnetic field intensity is regulated, and the symmetrical distribution state of the electromagnetic unit 7 is maintained, through the installation of the second servo motor 22 and the reciprocating screw rod 23, under the driving of the reciprocating screw rod 23, the electromagnetic unit 7 is moved reciprocatingly, then the dynamic magnetic field of the magnetic pole unit relative to the oriented silicon steel is formed, the dynamic regulation of the auxiliary magnetic field is realized, the electric push rod one 15 is started, under the driving of the rack frame 14, the adjusting column one 8 and the adjusting plate two 10, the angle between the electromagnetic unit 7 and the oriented silicon steel is adjusted dynamically, the purpose of adjusting the direction of the auxiliary magnetic field generated by the electromagnetic unit 7 is realized, then the angle between the magnetic field direction and the grain magnetization direction in the oriented silicon steel is dynamically regulated, the orientation induction of the grain structure in the oriented silicon steel is realized, the orderliness and uniformity of the distribution of the grain structure are improved, then the quality of the oriented silicon steel after annealing treatment is improved.

[0054] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments but that the application can be implemented in other embodiments without departing from the scope of the application. The scope of the application is defined by the appended claims rather than by the description of the exemplary embodiments above and therefore all changes and modifications that come within the meaning and range of equivalents of the claims are to be embraced by the application. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. A dynamic magnetic field-controlled annealing apparatus for grain-oriented silicon steel, characterized in that: It includes an annealing furnace (1) and a control module. The inner wall of the annealing furnace (1) is equipped with a heat insulation layer (2), and the inner side of the heat insulation layer (2) is provided with a control module. The control module includes an adjustment plate (3), an adjustment frame (4), and an adjustment column (8). The inner wall of the heat insulation layer is slidably connected to the adjustment plate (3). The outer wall of the adjustment plate (3) is embedded with the adjustment frame (4). The side of the adjustment frame (4) facing the oriented silicon steel is embedded with a first connecting ball column (5). One end of the connecting ball column is connected to an installation plate (6). The side of the installation plate (6) facing the oriented silicon steel is equipped with an electromagnetic unit (7). The top of the annealing furnace (1) is through-mounted with the adjustment column (8). The outer wall of the adjustment column (8) is embedded with a connecting frame (9). The outer wall of the connecting frame (9) is fitted with the adjustment plate (10). The outer wall of the second adjusting plate (10) is provided with a connecting frame (11). The top wall of the connecting frame (11) is provided with a second connecting ball column (12). The inner wall of the connecting frame (11) is provided with a connecting plate (13). The second connecting ball column (12) is embedded in the top of the connecting plate (13). One side of the connecting plate (13) is fixedly connected to the outer wall of the mounting plate (6). The top of the annealing furnace (1) is provided with an electric push rod (15). The output end of the electric push rod (15) is connected to a rack frame (14). The outer wall of the rack frame (14) is meshed with a gear (16). The side of the rack frame (14) away from the gear (16) is fixedly connected to the first adjusting column (8).

2. The grain-oriented silicon steel leveling and annealing device based on dynamic magnetic field control according to claim 1, characterized in that: The electromagnetic unit (7) is a permanent magnet and is used to form an auxiliary magnetic field in the annealing furnace (1).

3. The grain-oriented silicon steel leveling and annealing device based on dynamic magnetic field control according to claim 2, characterized in that: Two sets of adjusting columns (8) are symmetrically arranged on the front and rear sides of the mounting plate (6). The outer walls of the two sets of adjusting columns (8) are respectively connected to rack frames (14), and the rack frames (14) are simultaneously meshed with a set of gears (16). The top of the annealing furnace (1) is connected to a mounting frame (17), and the gears (16) are sleeved on the outer wall of the mounting frame (17).

4. The grain-oriented silicon steel leveling and annealing device based on dynamic magnetic field control according to claim 3, characterized in that: The top of the adjustment column (8) is equipped with a first servo motor (18), and the output end of the first servo motor (18) is equipped with a bidirectional lead screw (19). The connecting frame (9) is set on the outer wall of the bidirectional lead screw (19).

5. The grain-oriented silicon steel leveling and annealing device based on dynamic magnetic field control according to claim 4, characterized in that: The top of the annealing furnace (1) is equipped with a lifting frame (20), and the lifting frame (20) is located on the left and right sides of the adjusting column (8). The bottom end of the lifting frame (20) is fixedly connected to the top of the adjusting plate (3). The outer wall of the annealing furnace (1) is equipped with an electric push rod (21), and the output end of the electric push rod (21) is fixedly connected to the inner wall of the lifting frame (20).

6. The grain-oriented silicon steel leveling and annealing device based on dynamic magnetic field control according to claim 5, characterized in that: The annealing furnace (1) is equipped with a second servo motor (22) on the front side. The output end of the second servo motor (22) is equipped with a reciprocating screw (23), and the reciprocating screw (23) is located inside the annealing furnace (1). The top and bottom walls of the annealing furnace (1) are equipped with guide bars (27). The outer wall of the reciprocating screw (23) is fitted with a sliding block (24), and the sliding block (24) is slidably connected to the outer wall of the guide bar (27). An adjustment groove (26) is provided on the side of the adjustment plate (3) away from the electromagnetic unit (7). A telescopic cylinder (25) is fixedly installed on the outer wall of the adjustment frame (4). The telescopic cylinder (25) passes through the inner side of the adjustment groove (26), and the end of the telescopic cylinder (25) away from the adjustment frame is fixedly connected to the outer wall of the sliding block (24).

7. The grain-oriented silicon steel leveling and annealing device based on dynamic magnetic field control according to claim 1, characterized in that: A limiting pin (28) is installed on the outer wall of the spherical surface of the first connecting ball (5), and a guide groove (29) is provided on the inner wall of the adjusting frame, and the inner wall of the guide groove (29) is slidably connected to the outer wall of the limiting pin (28).

8. The grain-oriented silicon steel leveling and annealing device based on dynamic magnetic field control according to claim 6, characterized in that: The annealing furnace (1) has a pressure roller (30) embedded in its inner wall. The pressure roller (30) is located on the right side of the electromagnetic unit (7) and is used to flatten and stretch the oriented silicon steel that passes through the region of the electromagnetic unit (7).

9. A method for leveling and annealing grain-oriented silicon steel based on dynamic magnetic field control, applicable to the leveling and annealing apparatus for grain-oriented silicon steel based on dynamic magnetic field control as described in claim 8, characterized in that, The flattening annealing method is as follows: S1. Grain-oriented silicon steel is inserted into the annealing furnace (1) from left to right, and passes through the electromagnetic unit (7) installation area and the pressure roller (30) installation area in sequence; S2. The temperature inside the annealing furnace (1) is raised to the set annealing temperature for annealing heat treatment, and an auxiliary magnetic field is generated in the annealing furnace (1) using an electromagnetic unit (7). S3. Dynamically adjust the direction of the auxiliary magnetic field to induce the directionality of the grain structure in oriented silicon steel; S4. After magnetic field-assisted annealing, the oriented silicon steel moves to the right to the installation area of ​​the pressure roller (30). The pressure roller (30) applies pressure to the oriented silicon steel to perform flattening and stretching treatment.

10. The method for leveling and annealing grain-oriented silicon steel based on dynamic magnetic field control according to claim 9, characterized in that, S2 also includes the following steps: S21, the electric push rod two (21) extends or shortens, and through the lifting frame (20) drives the adjusting plate one (3) to move away from or close to the oriented silicon steel. At the same time, the first servo motor (18) rotates in the forward or reverse direction, driving the connecting frame (9) to move up or down synchronously along the outer wall of the bidirectional screw (19), so that the electromagnetic units (7) on the upper and lower sides of the oriented silicon steel move away from or close to the oriented silicon steel at the same time. S3 also includes the following steps: S31. The electric push rod (15) is shortened, and the left set of adjustment columns (8) moves downward through the rack frame (14). Through the gear (16) transmission, the right set of adjustment columns (8) moves upward. The adjustment column (8) moves the adjustment plate (10) through the connecting frame (9). Through the connecting plate (13), the mounting plate (6) and the electromagnetic unit (7) rotate, thereby dynamically controlling the direction of the magnetic field.

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