Embedded electromagnetic control roll

Abstract

The application discloses embedded electromagnetic control casting and rolling roller and relates to the technical field of metal material processing equipment. The embedded electromagnetic control casting and rolling roller comprises a casting and rolling roller core, a casting and rolling roller sleeve, a roller core end cover, a plurality of embedded electromagnetic units, a current input unit and the like. The casting and rolling roller sleeve is fixedly arranged on the casting and rolling roller core. The roller core end cover is fixedly arranged on one side of the roller core, is arranged on a main shaft of the roller core and is provided with a sleeve part. The embedded electromagnetic units are uniformly distributed along the circumference of the roller body of the casting and rolling roller core. The embedded electromagnetic unit comprises an iron core and a coil winding. The current input unit comprises an electric brush, an adjusting outer slip ring and a plurality of conductive copper tracks. The embedded electromagnetic control casting and rolling roller can improve the production quality of aluminum alloy strip blanks.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal material processing equipment, in particular to an embedded electromagnetic regulation and control casting and rolling roller. BACKGROUND

[0002] With the development of science and technology, various fields have successively put forward more and more strict requirements on the performance, processing period and economic benefits of metal materials. The aluminum and its alloy strip and sheet continuous casting and rolling method is economic and energy-saving to a certain extent, has a short processing flow, and requires relatively less investment, so it has been widely concerned by countries around the world since its appearance.

[0003] The current continuous casting and rolling products mainly have poor mechanical properties, and the casting and rolling varieties are relatively few, mainly concentrated in pure aluminum and 1 series, 3 series and 8 series strip and sheet products, and there are few related products of 5 series and 6 series with high solidification interval, and the casting and rolling speed is also relatively slow. The coarse grains and serious dendritic segregation of the cast strip and sheet are also the main reasons for the quality of the cast strip and sheet and the few application varieties.

[0004] At present, electromagnetic stirring technology is widely used in square / circular billet, slab continuous casting production, and the technology is quite mature, and has become an indispensable part in the continuous casting process. Electromagnetic stirring is less used in continuous casting and rolling strip production, and the current electromagnetic technology applied in casting and rolling mainly applies a magnetic field outside the roller, which causes a small part of the electromagnetic force to directly act on the molten pool area, resulting in a certain degree of resource waste, and the casting and rolling effect is not obviously improved. SUMMARY

[0005] The purpose of the present application is to provide an embedded electromagnetic regulation and control casting and rolling roller to solve the problems existing in the prior art and improve the production quality of aluminum alloy strip and sheet.

[0006] To achieve the above purpose, the present application provides the following scheme:

[0007] The present application provides an embedded electromagnetic regulation and control casting and rolling roller, which comprises:

[0008] A casting and rolling roller core;

[0009] A casting and rolling roller sleeve is fixedly sleeved on the casting and rolling roller core;

[0010] A roller core end cover is fixedly arranged on one side of the casting and rolling roller core, and the roller core end cover has a sleeve part sleeved on the main shaft of the casting and rolling roller core;

[0011] A plurality of embedded electromagnetic units are uniformly distributed along the circumference of the roll body of the casting roll core; the embedded electromagnetic unit comprises an iron core and a coil winding wound on the iron core, and the roll body of the casting roll core is provided with a placement slot corresponding to each embedded electromagnetic unit, and the embedded electromagnetic unit is fixed in the corresponding placement slot;

[0012] A current input unit comprises a plurality of brushes corresponding to the embedded electromagnetic units, and the brushes are uniformly distributed along the circumference of the casting roll core; the sleeve part is provided with a positioning slot corresponding to each brush, and the brush is fixed in the corresponding positioning slot; the brush is electrically connected with the coil winding in the corresponding embedded electromagnetic unit; the adjustable outer slip ring is coaxial with the casting roll core and is rotatably sleeved on the sleeve part; the conductive copper tracks are parallel and spaced apart on the inner wall of the adjustable outer slip ring, and each brush can contact the conductive copper tracks; the adjustable outer slip ring is insulated, and the conductive copper tracks are electrically connected with the power supply;

[0013] A shaft sleeve is sleeved on the adjustable outer slip ring, and the shaft sleeve is fixedly connected with the rack; the shaft sleeve is provided with a fastening bolt capable of closely contacting the adjustable outer slip ring, and the adjustable outer slip ring can rotate and fix relative to the shaft sleeve.

[0014] Preferably, the cooling water in the cooling water system of the casting roll can flow through each of the placement slots, the iron core is insulated, and the coils in the coil winding are provided with an insulating layer.

[0015] Preferably, the length direction of the iron core is parallel to the axial direction of the casting roll core.

[0016] Preferably, the inner wall of the adjustable outer slip ring is provided with an arc-shaped groove corresponding to each conductive copper track, and the conductive copper track is fixed in the corresponding arc-shaped groove.

[0017] Preferably, the adjustable outer slip ring is fixed with a connecting ring on each of the two axial sides, each connecting ring is rotatably connected with the sleeve part through a bearing, the connecting ring is fixedly connected with the outer ring of the bearing, and the inner ring of the bearing is fixedly connected with the sleeve part.

[0018] Preferably, a push rod is fixed on the outer wall of the adjustable outer slip ring, and the length direction of the push rod is along the radial direction of the adjustable outer slip ring.

[0019] Preferably, a hole is provided on the circumferential side wall of the shaft sleeve, and the push rod passes through the hole; the edge of the hole is provided with a scale line.

[0020] Preferably, the rotating range of the regulating outer slip ring relative to the sleeve is 10-30°.

[0021] Preferably, the embedded electromagnetic unit further comprises a mounting seat fixed at one end of the iron core, an aviation joint is detachably connected with the mounting seat, the brush and the coil winding in the corresponding embedded electromagnetic unit are electrically connected with the aviation joint respectively, and the mounting seat is embedded in the end face of the roll body of the cast-rolling roll core.

[0022] The present application has the following technical effects relative to the prior art:

[0023] The embedded electromagnetic regulation and control cast-rolling roll can improve the production quality of aluminum alloy strip blanks.

[0024] Specifically, the embedded electromagnetic regulation and control cast-rolling roll directly acts the electromagnetic field on the solidification front of the molten pool through the embedded electromagnetic unit in the roll, improves the utilization rate of the magnetic field, and can better achieve grain refinement, reduce dendritic segregation, and reduce the temperature gradient through electromagnetic stirring, which has certain benefits for the casting and rolling of 5-series and 6-series aluminum alloys.

[0025] The embedded electromagnetic unit in the embedded electromagnetic regulation and control cast-rolling roll is distributed in the circumferential direction on the cast-rolling roll core, and cooperates with the integrated cooling water tank, so that the cooling water cools the cast-rolling roll sleeve while also taking away the heat generated by the coil winding when powered on, realizing the rationalization of resource utilization.

[0026] The embedded electromagnetic regulation and control cast-rolling roll makes the conductive copper rail located in the vicinity of the cast-rolling molten pool area during operation, and through the regulating outer slip ring of the current delivery unit and the power-on mode of the brush, the embedded electromagnetic unit can be powered on only when passing through the cast-rolling molten pool area, and is in a power-off state at other positions, which not only ensures the magnetic field of the cast-rolling molten pool area, but also greatly reduces the waste of the magnetic field.

[0027] The embedded electromagnetic regulation and control cast-rolling roll is provided with a push rod on the outer surface of the regulating outer slip ring, and in cooperation with the scale on the sleeve, the regulating outer slip ring can be adjusted at different angles, which provides a convenient solution for different magnetic field requirements under different working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0029] Figure 1Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0030] Figure 2 Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0031] Figure 3 Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0032] Figure 4 Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0033] Figure 5 Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0034] Figure 6 Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0035] Figure 7 Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0036] Figure 8 Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0037] Figure 9 Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0038] Figure 10 Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0039] Figure 11 Structure schematic diagram of embedded electromagnetic control casting and rolling roller of the present application;

[0040] Wherein, 1, casting and rolling roller core; 2, casting and rolling roller sleeve; 3, embedded electromagnetic unit; 4, current delivery unit;

[0041] 11, water inlet cooling water tank; 12, water inlet collecting hole; 13, water outlet collecting hole; 14, placing groove; 15, water outlet cooling water tank; 16, positioning pin hole; 17, positioning through hole; 18, annular steel plate; 19, water inlet main pipe; 20, water outlet pipe;

[0042] 31, iron core; 32, coil winding; 33, mounting seat; 34, positioning bolt; 35, nut; 36, O-shaped sealing ring; 37, positioning pin; 38, positioning hole;

[0043] 41, brush; 42, adjustable outer slip ring; 43, roller core end cover; 44, conductive copper rail; 45, shaft sleeve; 411, bearing; 412, connecting ring; 431, positioning groove; 46, key groove; 47, push rod; 48, fastening bolt; 49, strip hole. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present application will be apparently 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. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0045] The present application aims to provide an embedded electromagnetic control casting and rolling roller to solve the problems in the prior art and improve the production quality of aluminum alloy strip blank.

[0046] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0047] As shown in the drawings, Figures 1-11 The present embodiment provides an embedded electromagnetic control casting and rolling roller, which comprises:

[0048] a casting and rolling roller core 1;

[0049] a casting and rolling roller sleeve 2, which is fixedly sleeved on the casting and rolling roller core 1;

[0050] a roller core end cover 43, which is fixedly arranged on one side of the casting and rolling roller core 1, and has a sleeve part sleeved on the main shaft of the casting and rolling roller core 1, and the inner wall of the sleeve part is provided with a key groove 46, and the sleeve part is keyed connected with the main shaft of the casting and rolling roller core 1;

[0051] a plurality of embedded electromagnetic units 3, all of which are uniformly distributed along the circumference of the roller body of the casting and rolling roller core 1; the embedded electromagnetic unit 3 comprises a core 31, a coil winding 32 wound on the core 31 and a mounting seat 33 fixedly arranged at one end of the core 31, the roller body of the casting and rolling roller core 1 is provided with a placing groove 14 corresponding to each embedded electromagnetic unit 3, and the embedded electromagnetic unit 3 is fixedly arranged in the corresponding placing groove 14; the placing groove 14 is preferably closed, the mounting seat 33 is embedded in the end face of the roller body of the casting and rolling roller core 1, so as to ensure the position and stability of the embedded electromagnetic unit 3 when it is installed into the casting and rolling roller core, and the mounting seat 33 is sealingly connected with the roller body of the casting and rolling roller core 1, so as to ensure the closed property of the placing groove 14;

[0052] The current input unit comprises a brush 41, an adjustable outer slip ring 42 and three or four circular arc-shaped conductive copper tracks 44, the conductive copper tracks 44 being electrically connected with the power supply, it is to be noted that the specific number of the conductive copper tracks is determined according to the type of the alternating current connected with the power supply, the maximum three-phase four-wire alternating current is taken, so there are four circular arc-shaped conductive copper tracks, if it is two-phase three-wire alternating current, three of them are taken, therefore, if four conductive copper tracks 44 are arranged, both the three-phase four-wire alternating current and the two-phase three-wire alternating current can be applied. The brush 41 is a plurality of brushes, the brush 41, the aviation joint and the embedded electromagnetic unit 3 are one-to-one corresponding, all the brushes 41 are uniformly distributed along the circumference of the cast-rolling roller core 1; the sleeve part is provided with a positioning groove 431 corresponding to each brush 41, the brush 41 is fixedly arranged in the corresponding positioning groove 431, the brush 41 and the coil winding 32 in the corresponding embedded electromagnetic unit are electrically connected with the corresponding aviation joint; the mounting seat 33 is used for detachably connecting with the aviation joint, preferably, the mounting seat 33 is connected in the form of clamping, so as to facilitate installation; the adjustable outer slip ring 42 is coaxial with the cast-rolling roller core 1 and is rotatably sleeved on the sleeve part, all the conductive copper tracks 44 are fixedly arranged on the inner wall of the adjustable outer slip ring 42 in parallel and at intervals, each brush 41 can contact with the conductive copper track 44, and the adjustable outer slip ring 42 is insulated.

[0053] In the embodiment, the length direction of the iron core 31 is parallel to the axial direction of the cast-rolling roller core 1; the coil winding 32 can adopt the form of the CLEM winding and the concentrated winding according to different magnetic field requirements; the wire current of the coil winding 32 and the number of turns thereof should be above 3000 ampere turns, and the current frequency should be 5-20 Hz; the iron core 31 is made of silicon steel sheets with a thickness of 0.3-0.5 mm, the silicon steel sheets are stacked by using a gluing process, and are processed according to the actual situation of the circular slot hole, so that they can be smoothly inserted.

[0054] The cooling water in the cooling water system of the embedded electromagnetic control cast-rolling roller of the embodiment can flow through each placing groove 14, the iron core 31 is subjected to insulation treatment, and the coils in the coil winding 32 are provided with an insulation layer. It is to be noted that the existing cast-rolling roller is usually provided with a cooling water system to cool the cast-rolling roller sleeve; in the embodiment, the improvement is that the cooling water system is communicated with each placing groove 14, so that when the cooling water system works, the cooling water flows through the placing groove 14, and the embedded electromagnetic unit 3 in the placing groove 14 can be water-cooled and radiated.

[0055] Specifically, the water inlet main pipe 19 is arranged at the center of the casting and rolling roll core, the water inlet main pipe 19 is connected with a plurality of water inlet collecting holes 12, the water inlet collecting holes 12 are divided into a plurality of layers along the axial direction of the casting and rolling roll core 1, each layer of water inlet collecting holes 12 has a plurality of water inlet collecting holes 12 and is uniformly distributed along the circumferential direction of the casting and rolling roll core 1, and a plurality of water outlet pipes 20 are arranged in the casting and rolling roll core 1 and are uniformly distributed along the circumferential direction, the length direction of the water outlet pipe 20 is parallel to the axial direction of the casting and rolling roll core 1, each water outlet pipe 20 is connected with a plurality of water outlet collecting holes 13 distributed along the axial direction of the casting and rolling roll core, the water inlet main pipe 19 is connected with a water source, the water outlet pipe 20 is connected with a water return pipe, the water inlet collecting holes 12 are connected with the water inlet cooling water tank 11, the water outlet collecting holes 13 are connected with the water outlet cooling water tank 15, and the water inlet cooling water tank 11 and the water outlet cooling water tank 15 are connected with the placing tank 14 respectively. The cooling water in the water source enters each placing tank 14 through the water inlet main pipe 19, each water inlet collecting hole 12, the water outlet cooling water tank 15, each water outlet collecting hole 13, each water outlet pipe 20 and the water return pipe, and then flows back to the water source, so as to realize circulation and effectively cool the embedded electromagnetic control casting and rolling roll.

[0056] The cooling water system in the embodiment can ensure the circumferential water flow and the cooling of the embedded electromagnetic unit 3 after the embedded electromagnetic unit 3 is embedded, and can also achieve the axial water flow and cooling of the casting and rolling roll sleeve 2, so that the cooling water can cool the casting and rolling roll sleeve 2 and the embedded electromagnetic unit 3.

[0057] In the embodiment, the inner wall of the adjustable outer sliding ring 42 is provided with a circular arc type groove corresponding to each conductive copper rail 44, and the conductive copper rail 44 is fixedly arranged in the corresponding circular arc type groove.

[0058] The adjustable outer sliding ring 42 is fixedly provided with a connecting ring 412 on each of the two axial sides, each fixed ring is rotationally matched with the sleeve part through a bearing 411, the connecting ring 412 is fixedly connected with the outer ring of the bearing 411, and the inner ring of the bearing 411 is fixedly connected with the sleeve part. A push rod 47 is fixedly arranged on the outer wall of the adjustable outer sliding ring 42, and the length direction of the push rod 47 is along the radial direction of the adjustable outer sliding ring 42.

[0059] The far end of the iron core 31 in the embedded electromagnetic unit 3 away from the mounting base is fixedly connected with the positioning bolt 34 through surfacing, the positioning bolt 34 passes through the positioning through hole 17 on the cast rolling roller core 1, and the positioning bolt 34 is locked by the nut 35 passing through the positioning bolt 34. The annular steel plate 18 is arranged between the nut 35 and the end face of the cast rolling roller core 1. Therefore, after the nut 35 is screwed, the nut 35 will press the annular steel plate 18, and the annular steel plate 18 will press the O-shaped sealing ring 36 at the joint of the cast rolling roller core 1 and the cast rolling roller sleeve 2, thereby improving the sealing effect between the cast rolling roller core 1 and the cast rolling roller sleeve 2. In addition, the far end of the iron core 31 in the embedded electromagnetic unit 3 away from the mounting base is also provided with a positioning hole 38, and a positioning pin hole 16 corresponding to the positioning hole 38 is arranged on the end face of the cast rolling roller core 1. The positioning hole 38 can be directly opposite to the corresponding positioning pin hole 16. The positioning pin 37 is arranged in the positioning pin hole 16 and the positioning hole 38. After the annular steel plate 18 is pressed by the nut 35, the positioning pin 37 can also be pressed, thereby ensuring the stability of the positioning of the iron core 31 and preventing the iron core 31 from rotating. The mounting base 33 is provided with a threaded hole 35 for installing a pull ring. The pull ring can facilitate the disassembly of the embedded electromagnetic unit 3.

[0060] The embedded electromagnetic control cast rolling roller of the embodiment further comprises a shaft sleeve 45, the shaft sleeve 45 is sleeved on the adjustable outer sliding ring 42, and the adjustable outer sliding ring 42 can rotate relative to the shaft sleeve 45. The shaft sleeve 45 is fixedly connected with a rack (not shown in the figure). The shaft sleeve 45 is provided with a fastening bolt 48 which can be in close contact with the adjustable outer sliding ring 42. The adjustable outer sliding ring 42 can rotate and be fixed relative to the shaft sleeve 45. The rack is fixed, so the shaft sleeve 45 is also fixed. By tightening the fastening bolt 48, the adjustable outer sliding ring 42 can be fixed, so that the adjustable outer sliding ring 42 will not rotate. After the fastening bolt 48 is loosened, the adjustable outer sliding ring 42 can rotate relative to the shaft sleeve 45.

[0061] A strip hole 49 is arranged on the circumferential side wall of the shaft sleeve 45. The length direction of the strip hole 49 is along the circumference of the shaft sleeve. The push rod 47 passes through the strip hole 49. The edge of the strip hole 49 is provided with a scale line. After the fastening bolt 48 is loosened, the adjustable outer sliding ring 42 can rotate relative to the shaft sleeve 45. The push rod 47 can drive the adjustable outer sliding ring 42 to rotate relative to the shaft sleeve 45, thereby adjusting the angle of the conductive copper rail 44. By observing the scale line on the edge of the strip hole 49, the accurate adjustment of the adjustable outer sliding ring 42 at different angles can be realized. After adjustment, the adjustable outer sliding ring 42 can be fixed by tightening the fastening bolt 48. This provides a convenient solution for different magnetic field requirements under different working conditions.

[0062] In the embodiment, the rotating range of the adjusting outer sliding ring 42 relative to the sleeve 45 is 10°-30°, that is, the rotating range of the conductive copper rail 44 relative to the sleeve 45 is 10°-30°, since the conductive copper rail 44 needs to be located in the vicinity of the casting and rolling molten pool area, the angle of the conductive copper rail 44 is adjusted to adapt to the application of the magnetic field in different casting and rolling areas, since the embedded electromagnetic unit 3 is only powered to generate an electromagnetic field when the desired brush 41 is in contact with the conductive copper rail 44.

[0063] The working principle of the embedded electromagnetic control casting and rolling roller of the embodiment is as follows:

[0064] When the embedded electromagnetic control casting and rolling roller works, the device is applied with three-phase alternating current through the external low-frequency alternating current power supply, the three-phase alternating current is accurately provided to the embedded electromagnetic unit 3 through the current delivery unit 4, different magnetic fields are excited according to different winding modes of the coil winding 32, the applied current generates a magnetic induction intensity of 10 mT or more in the casting and rolling area, and the current frequency is 5-20 Hz, so as to ensure that the electromagnetic force of the casting and rolling area can achieve the stirring effect, since the embedded electromagnetic unit 3 is only powered in the casting and rolling area, and the cooling effect brought by the cooling water flowing from the placing groove 14 in the cooling water system, the coil winding 32 can be cooled in time, and the heat absorbed by the casting and rolling roller sleeve 2 can also be taken away in time.

[0065] In the application, specific examples are applied to illustrate the principle and implementation mode of the application, the above embodiment is only used to help understand the method and core idea of the application; meanwhile, for the general technical personnel in the field, according to the idea of the application, the specific implementation mode and application range will be changed. In conclusion, the content of the specification should not be understood as the limitation of the application.

Claims

1. An embedded electromagnetic conditioning roll, characterized in that, The application relates to a casting and rolling roller, which comprises a casting and rolling roller core, a casting and rolling roller sleeve fixedly sleeved on the casting and rolling roller core, a roller core end cover fixedly arranged on one side of the casting and rolling roller core, a sleeve part of the roller core end cover sleeved on a main shaft of the casting and rolling roller core, a plurality of embedded electromagnetic units uniformly distributed along the circumference of a roller body of the casting and rolling roller core, the embedded electromagnetic units comprising an iron core and a coil winding arranged on the iron core, the roller body of the casting and rolling roller core being provided with a closed placement slot corresponding to each embedded electromagnetic unit, and the embedded electromagnetic units being fixedly arranged in the corresponding placement slots, a current input unit comprising a plurality of brushes corresponding to the embedded electromagnetic units, the brushes being uniformly distributed along the circumference of the casting and rolling roller core, a positioning slot corresponding to each brush being arranged on the sleeve part, the brush being fixedly arranged in the corresponding positioning slot, the brush being electrically connected with the coil winding in the corresponding embedded electromagnetic unit, an adjustable outer slip ring coaxially arranged on the sleeve part and rotatingly sleeved on the sleeve part, a plurality of circular arc-shaped conductive copper tracks being fixedly arranged on the inner wall of the adjustable outer slip ring, each brush being capable of contacting the conductive copper tracks, the adjustable outer slip ring being insulated, and the conductive copper tracks being electrically connected with a power supply, a shaft sleeve sleeved on the adjustable outer slip ring, the shaft sleeve being fixedly connected with a rack, the shaft sleeve being provided with a fastening bolt capable of tightly contacting the adjustable outer slip ring, and the adjustable outer slip ring being capable of rotating and being fixed relative to the shaft sleeve. The cooling water in the cooling water system of the casting and rolling roller can flow through each placement slot, the iron core is subjected to insulation treatment, and the coils in the coil winding are provided with an insulation layer. The length direction of the iron core is parallel to the axial direction of the casting and rolling roller core. The inner wall of the adjustable outer slip ring is provided with a circular arc-shaped groove corresponding to each conductive copper track, and the conductive copper track is fixedly arranged in the corresponding circular arc-shaped groove. One connecting ring is fixedly arranged on each of the two sides of the adjustable outer slip ring along the axial direction, each connecting ring is rotatingly matched with the sleeve part through a bearing, the connecting ring is fixedly connected with the outer ring of the bearing, and the inner ring of the bearing is fixedly connected with the sleeve part. One push rod is fixedly arranged on the outer wall of the adjustable outer slip ring, and the length direction of the push rod is along the radial direction of the adjustable outer slip ring. One hole is arranged on the circumferential side wall of the shaft sleeve, the push rod passes through the hole, and a scale line is arranged on the edge of the hole.

2. The embedded electromagnetic conditioning roll according to claim 1, wherein: The rotating range of the adjustable outer slip ring relative to the shaft sleeve is 10-30 degrees.

3. The embedded electromagnetic conditioning roll of claim 1, wherein: The embedded electromagnetic unit further comprises a mounting seat fixedly arranged on one end of the iron core, an aviation joint is detachably connected with the mounting seat, the brush and the coil winding in the corresponding embedded electromagnetic unit are respectively electrically connected with the aviation joint, and the mounting seat is embedded in the end face of the roller body of the casting and rolling roller core.

4. The embedded electromagnetic conditioning roll of claim 1, wherein: ​ 5. The embedded electromagnetic conditioning roll of claim 1, wherein: ​ 6. The embedded electromagnetic conditioning roll of claim 1, wherein: ​ 7. The embedded electromagnetic conditioning roll of claim 6, wherein: ​ 8. The embedded electromagnetic conditioning roll of claim 7, wherein: ​ 9. The embedded electromagnetic conditioning roll of claim 1, wherein: ​

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