CN110164647B

CN110164647B - Metal demagnetizer

Info

Publication number: CN110164647B
Application number: CN201910572239.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Anhui Yinuo Youth Industrial Design Co ltd
Current assignee: Anhui Yinuo Youth Industrial Design Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-11-24
Anticipated expiration: 2039-06-26
Also published as: CN110164647A

Abstract

The metal demagnetizing equipment comprises a machine body, wherein a first cavity is formed in the machine body, a first rotating cavity is communicated with the right side of the first cavity, a second cavity is formed in the bottom wall of the first cavity, and a first connecting groove is communicated between the second cavity and the first cavity; the metal demagnetizing equipment provided by the invention has the advantages that the automation degree is high, the equipment is circularly demagnetized by utilizing mechanical transmission conversion, the metal demagnetizing efficiency is improved, the metal magnetic force residue is less, the equipment demagnetizing efficiency is high, the energy is saved, the environment is protected, and the overall universality of the equipment is strong.

Description

Metal demagnetizer

Technical Field

The invention relates to the field of metal demagnetization, in particular to metal demagnetization equipment.

Background

The traditional metal demagnetizing equipment generally needs manual work to carry out demagnetizing operation, the manual demagnetizing operation is inaccurate, the residual magnetic force after demagnetizing is inaccurate, time and labor are wasted, the automation degree is low, the traditional demagnetizing equipment utilizes a strong alternating magnetic field generated continuously to eliminate various magnetic conductive metals with different magnetism, the traditional demagnetizing equipment generally has large heat productivity, and the traditional demagnetizing equipment cannot carry out demagnetizing operation for a long time;

therefore, a metal demagnetizing device is needed to be designed to solve the problems, automatic demagnetization of the device is achieved, heat generated by an alternating magnetic field is reduced, the overall efficiency of the device is high, and demagnetization is accurate.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a metal demagnetizing device, which can solve the problems in the prior art.

The invention is realized by the following technical scheme: the invention relates to a metal demagnetizing device, which comprises a machine body, wherein a first cavity is arranged in the machine body, a first rotating cavity is communicated and arranged on the right side of the first cavity, a second cavity is arranged in the bottom wall of the first cavity, a first connecting groove is communicated and arranged between the second cavity and the first cavity, a magnetic conductive metal conveying device is arranged between the second cavity and the first cavity, a third cavity is arranged in the end wall of the right side of the second cavity, an arc-shaped through groove is communicated and arranged between the third cavity and the first cavity, a second rotating cavity is communicated and arranged at the arc position in the arc-shaped through groove, a first sliding groove is communicated and arranged on the right side of the second rotating cavity, a strong magnetic screening and thermal demagnetizing mechanism is arranged between the arc-shaped through groove and the first sliding groove, and a second sliding groove is arranged in the rear side end wall of the second cavity and communicated with the third cavity, the third cavity bottom is provided with the ascending first recess of opening, first recess with be provided with alternating magnetic field demagnetizing device between the second sliding tray, third cavity diapire intercommunication is provided with the second intercommunication groove, the second cavity with be provided with the intercommunication between the second intercommunication groove the third sliding tray in the fuselage outside, the third sliding tray with be provided with demagnetization metal conveyor between the second intercommunication groove, the third cavity the second cavity with be provided with the transmission shifter between the third sliding tray.

Wherein the magnetic conductive metal conveying device comprises the first cavity, the top end of the first cavity is communicated with the outer side of the machine body and is provided with a magnetic conductive metal placing groove, the magnetic conductive metal placing groove is internally provided with magnetic conductive metal in a sliding way, the first cavity is internally and rotatably provided with a first rotating shaft extending forwards and backwards and a second rotating shaft positioned on the left side of the first rotating shaft, a first disk rotating in the first rotating cavity and a first circular gear positioned at the rear side of the first disk are fixedly arranged on the outer surface of the first rotating shaft, the first disc is provided with second grooves which are vertically and bilaterally symmetrical, the magnetic conductive metal enters the second grooves through the magnetic conductive metal placing grooves, and a second circular gear meshed with the first circular gear and a first belt pulley positioned on the front side of the second circular gear are fixedly arranged on the outer surface of the second rotating shaft.

Wherein, strong magnetism screening and heating power demagnetization mechanism include the groove is led to the arc, the second rotates the third pivot that the intracavity was rotated and is provided with the front and back extension, power connection has first motor in the second pivot rear side end wall, third pivot external surface is fixed and is provided with the second disc, second disc external surface is fixed and is provided with the ferromagnetism becket, it is provided with ferromagnetism circular telegram slider to slide in the first sliding tray, ferromagnetism circular telegram slider with it is provided with the spring to fix between the first sliding tray right side end wall, first sliding tray left side roof be fixed be provided with ferromagnetism circular telegram slider matched with conductive contact, the second rotates the external surface of chamber and is fixed and is provided with the heating network, the heating network with electric power connection has first circular telegram pipeline between the conductive.

Preferably, the alternating magnetic field degaussing device comprises the third cavity, the second sliding groove is provided with a first sliding block in a sliding manner, a third communicating groove which penetrates through the first slider up and down and is communicated with the third cavity is arranged in the first slider, a fourth sliding groove which penetrates through the first slider left and right and is communicated with the third cavity is arranged in the first slider, a second sliding block is arranged in the fourth sliding groove in a sliding manner, a fourth communicating groove matched with the third communicating groove is arranged on the right side of the second sliding block, a fixed block is fixedly arranged in the first groove, an alternating coil for generating an alternating magnetic field is wound on the outer surface of the fixed block, and a second communication pipeline electrically connected with the alternating coil is fixedly arranged between the outer surface of the fixed block and the top wall of the third cavity, and a fifth communication groove which penetrates through the fixed block from left to right and is communicated with the third cavity is arranged in the fixed block.

Preferably, the transmission switching mechanism includes the second cavity, a fourth rotating shaft extending forward and backward and a fifth rotating shaft located at the bottom end of the fourth rotating shaft are rotatably disposed in the second cavity, a sheave and a second pulley located at the front side of the sheave are fixedly disposed on the outer surface of the fourth rotating shaft, third grooves are symmetrically disposed in the sheave up and down and left and right, a belt is connected between the first pulley and the second pulley in a transmission manner, a second motor is dynamically connected in the end wall of the rear side of the fifth rotating shaft, a third disc and a fourth disc located at the front end of the third disc are fixedly disposed on the outer surface of the fifth rotating shaft, a first hinge shaft matched with the third grooves is fixedly disposed on the front side end face of the third disc, a first hinge rod is hinged on the front side end face of the fourth disc, and a sixth rotating shaft located on the right side of the fifth rotating shaft is rotatably disposed in the second cavity, the surface of the sixth rotating shaft is fixedly provided with a second hinged rod, the first hinged rod is hinged to a second hinged shaft between the second hinged rods, a third hinged rod is hinged to a first sliding block, a third sliding groove is slidably provided with a third sliding block on the left side, a fourth hinged rod is hinged to the left side of the third sliding block, and a third hinged shaft is hinged to the fourth hinged rod between the second hinged rods.

Preferably, demagnetization metal conveyor includes the third sliding tray, the third sliding tray right side slides and is provided with the collection basin, be provided with the ascending fourth recess of opening in the collection basin, collect the fixed fourth slider that is provided with in basin left side, the fourth slider with the transmission is provided with hydraulic line between the third slider.

In conclusion, the beneficial effects of the invention are as follows: the equipment has high automation degree, and meanwhile, the equipment is circularly demagnetized by utilizing mechanical transmission conversion, so that the metal demagnetization efficiency is improved, and meanwhile, the metal magnetic force residue is less, the equipment demagnetization efficiency is high, the energy is saved, the environment is protected, and the overall universality of the equipment is strong.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a metal demagnetizing device of the present invention;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

fig. 3 is an enlarged structural diagram of B in fig. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive. Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

As shown in fig. 1-3, the metal demagnetizing device of the present invention includes a machine body 100, a first cavity 101 is disposed in the machine body 100, a first rotating cavity 161 is disposed on the right side of the first cavity 101 in a communicating manner, a second cavity 108 is disposed in the bottom wall of the first cavity 101, a first communicating groove 106 is disposed between the second cavity 108 and the first cavity 101 in a communicating manner, a magnetic conductive metal conveying device is disposed between the second cavity 108 and the first cavity 101, a third cavity 121 is disposed in the right side end wall of the second cavity 108, an arc-shaped through groove 107 is disposed between the third cavity 121 and the first cavity 101 in a communicating manner, a second rotating cavity 131 is disposed in an arc-shaped through groove 107 in a communicating manner, a first sliding groove 123 is disposed on the right side of the second rotating cavity 131 in a communicating manner, a strong magnetic screening and thermal demagnetizing mechanism is disposed between the arc-shaped through groove 107 and the first sliding groove 123, the utility model discloses a machine body, including first cavity 108, third cavity 121, first recess 119, second cavity 108, third cavity 121 is provided with second sliding tray 122, third cavity 121 bottom is provided with the ascending first recess 120 of opening, first recess 120 with be provided with alternating magnetic field demagnetizing device between the second sliding tray 122, third cavity 121 diapire intercommunication is provided with second intercommunication groove 119, second cavity 108 with be provided with the intercommunication between the second intercommunication groove 119 the third sliding tray 162 in the fuselage 100 outside, third sliding tray 162 with be provided with demagnetization metal conveying device between the second intercommunication groove 119, third cavity 121 second cavity 108 with be provided with the transmission shifter between the third sliding tray 162.

As shown in fig. 1 and fig. 2, the magnetic metal conveying device includes the first cavity 101, a magnetic metal placing groove 136 is disposed at a top end of the first cavity 101 and communicates with an outer side of the machine body 100, a magnetic metal 135 is slidably disposed in the magnetic metal placing groove 136, a first rotating shaft 133 extending forward and backward and a second rotating shaft 105 located on a left side of the first rotating shaft 133 are rotatably disposed in the first cavity 101, a first circular disk 137 rotating in the first rotating cavity 161 and a first circular gear 138 located on a rear side of the first circular disk 137 are fixedly disposed on an outer surface of the first rotating shaft 133, second grooves 134 are vertically and bilaterally symmetrically disposed on the first circular disk 137, and the magnetic metal 135 enters the second grooves 134 through the magnetic metal placing groove 136, the outer surface of the second rotating shaft 105 is fixedly provided with a second circular gear 102 engaged with the first circular gear 138 and a first belt pulley 104 positioned at the front side of the second circular gear 102.

Next, refer to fig. 1 to introduce the strong magnetic screening and thermal demagnetization mechanism of the present application in detail, the strong magnetic screening and thermal demagnetization mechanism includes the arc-shaped through groove 107, the second rotates the third pivot 129 that extends around being provided with the internal rotation of chamber 131, power connection has a first motor in the end wall of the rear side of the second pivot 129, the external fixed surface of the third pivot 129 is provided with the second disc 128, the external fixed surface of the second disc 128 is provided with the ferromagnetic metal ring 130, it is provided with the ferromagnetic circular telegram slider 126 to slide in the first sliding groove 123, the ferromagnetic circular telegram slider 126 with the fixed spring 124 that is provided with between the end wall of the right side of the first sliding groove 123, the fixed electrically conductive contact 126 that is provided with the ferromagnetic circular telegram slider 126 of the top wall of the left side of the first sliding groove 123, the external fixed surface of the second rotation chamber 131 is, a first energized conduit 127 is electrically connected between the heating mesh 132 and the conductive contact 126.

Advantageously, as shown in fig. 1 and 3, the alternating magnetic field degaussing apparatus includes the third cavity 121, a first slider 151 is slidably disposed in the second sliding groove 122, a third communicating groove 150 vertically penetrating through and communicating with the third cavity 121 is disposed in the first slider 151, a fourth sliding groove 152 horizontally penetrating through and communicating with the third cavity 121 is disposed in the first slider 151, a second slider 153 is slidably disposed in the fourth sliding groove 152, a fourth communicating groove 160 matching with the third communicating groove 150 is disposed on the right side of the second slider 153, a fixed block 157 is fixedly disposed in the first groove 120, an alternating coil 158 generating an alternating magnetic field is wound on the outer surface of the fixed block 157, a second conducting pipe 156 electrically connected to the alternating coil 158 is fixedly disposed between the outer surface of the fixed block 157 and the top wall of the third cavity 121, a fifth communicating groove 159 which penetrates left and right and communicates with the third cavity 121 is formed in the fixed block 157.

Advantageously, as shown in fig. 1 and fig. 2, the transmission conversion mechanism includes the second cavity 108, a fourth rotating shaft 143 extending forward and backward and a fifth rotating shaft 149 located at a bottom end of the fourth rotating shaft 143 are rotatably disposed in the second cavity 108, a grooved pulley 141 and a second pulley 142 located at a front side of the grooved pulley 141 are fixedly disposed on an outer surface of the fourth rotating shaft 143, third grooves 139 are vertically and bilaterally symmetrically disposed in the grooved pulley 141, a belt 103 is drivingly connected between the first pulley 104 and the second pulley 142, a second motor is dynamically connected in a rear end wall of the fifth rotating shaft 149, a third disc 145 and a fourth disc 146 located at a front end of the third disc 145 are fixedly disposed on an outer surface of the fifth rotating shaft 149, a first hinge shaft 144 matched with the third groove 139 is fixedly disposed on a front side end face of the third disc 145, the front end face of the fourth disc 146 is hinged with a first hinge rod 147, a sixth rotating shaft 111 located on the right side of the fifth rotating shaft 149 is rotatably arranged in the second cavity 108, a second hinge rod 110 is fixedly arranged on the outer surface of the sixth rotating shaft 111, a second hinge shaft 109 is hinged between the first hinge rod 147 and the second hinge rod 110, a third hinge rod 155 is hinged between the second hinge shaft 109 and the first sliding block 151, a third sliding block 114 is slidably arranged on the left side of the third sliding groove 162, a fourth hinge rod 113 is hinged on the left side of the third sliding block 114, and a third hinge shaft 112 is hinged between the fourth hinge rod 113 and the second hinge rod 110.

Beneficially, as shown in fig. 1, the demagnetized metal conveying device includes the third sliding groove 162, the right side of the third sliding groove 162 is provided with the collection basin 117 in a sliding manner, the collection basin 117 is provided with a fourth groove 118 with an upward opening, the left side of the collection basin 117 is fixedly provided with the fourth sliding block 116, and the fourth sliding block 116 and the third sliding block 114 are provided with the hydraulic pipeline 115 in a transmission manner.

In the following, the applicant will describe in detail a method of use of a metal demagnetizing device of the present application with reference to the accompanying drawings 1 to 3 and the specific composition of the metal demagnetizing device of the present application described above: first, in an initial state, the first motor and the second motor are both in a stationary state, the first slider 151 is located on the left side of the second sliding groove 122, the collecting tub 117 is located on the right side of the third sliding groove 162 and extends out of the body 100, the conductive contact 126 is not conductively engaged with the ferromagnetic conductive slider 126, the alternating coil 158 does not generate an alternating magnetic field, and the second slider 153 closes the third communicating groove 150.

After the magnetic conductive metal 135 is put into the device of the present invention, the alternating coil 158 is energized through the second electrical conduit 156 and generates an alternating magnetic field, the second motor and the ferromagnetic energizing slider 126 start to be energized, when a demagnetization operation is performed, the switch is turned on, the first motor continuously rotates, the second motor starts to periodically rotate, the second motor periodically rotates to drive the fifth rotating shaft 149 to periodically rotate, the fifth rotating shaft 149 rotates to drive the third disc 145 and the fourth disc 146 to rotate, the third disc 145 rotates to drive the first hinge shaft 144 to stir the sheave 141 to rotate, the sheave 141 drives the second pulley 142 to rotate, the second pulley 142 drives the first pulley 104 to rotate through the belt 103, the first pulley 104 drives the first circular gear 138 to rotate, the first circular gear 138 drives the second circular gear 102 engaged therewith to rotate, the second circular gear 102 rotates to drive the first disk 137 to rotate, and the first disk 137 rotates to convey the magnetic conductive metal 135 to the arc-shaped through groove 107;

when the magnetic conductive metal 135 is a strong magnetic metal, the magnetic conductive metal 135 automatically adheres to the outer surface of the ferromagnetic metal ring 130 when passing through the arc-shaped through groove 107, the second disk 128 drives the ferromagnetic metal ring 130 to rotate, the ferromagnetic metal ring 130 adheres to the magnetic conductive metal 135 in the second rotating cavity 131 to rotate, when the magnetic conductive metal 135 rotates to the opening of the first sliding groove 123, the magnetic conductive metal 135 adheres to the ferromagnetic conductive sliding block 126, the ferromagnetic conductive sliding block 126 slides leftwards, the ferromagnetic conductive sliding block 126 is matched with the conductive contact 126, the first conductive pipeline 127 enables the heating net 132 to be electrified and starts to heat the second rotating cavity 131, the conductive metal 135 continuously rotates and passes through the heating net 132 to be heated and demagnetized, and the magnetic conductive metal 135 performs a first round of demagnetization, the magnetic conductive metal 135 is continuously heated and circulated until the strong magnetism is removed and becomes weak magnetic metal, and then enters the arc-shaped through groove 107 again for second round demagnetization;

when the magnetic metal 135 is a weak magnetic metal, the magnetic metal 135 is not adsorbed to the outer surface of the ferromagnetic metal ring 130, the magnetic metal 135 directly starts to perform a second round demagnetization through the arc-shaped through groove 107, the magnetic metal 135 slides into the third communicating groove 150, at this time, the third communicating groove 150 is sealed by the second slider 153, the magnetic metal 135 is located on the top surface of the second slider 153 in the third communicating groove 150, the third disc 145 pushes the third hinge rod 155 to slide rightward through the first hinge rod 147 and the second hinge rod 110, the third hinge rod 155 drives the first slider 151 to slide rightward, the first slider 151 carries the magnetic metal 135 to slide rightward through the fifth communicating groove 159, and the alternating magnetic field generated by the alternating coil 158 makes the magnetic metal 135 perform a second round demagnetization, after demagnetization is finished, the first slider 151 continues to slide rightwards, after the second slider 153 touches the right end wall of the third cavity 121, the second slider 153 slides leftwards relative to the first slider 151, the fourth communicating groove 160 starts from the third communicating groove 150 to cooperate, at the same time, the third communicating groove 150 is in communicating cooperation with the second communicating groove 119, meanwhile, the second hinge rod 110 drives the fourth hinge rod 113 to slide leftwards, the fourth hinge rod 113 drives the third slider 114 to slide leftwards, the third slider 114 drives the collection basin 117 to slide leftwards through the hydraulic pipeline, the collection basin 117 slides leftwards to retract into the third sliding groove 162, the fourth groove 118 is in communicating cooperation with the second communicating groove 119, and the demagnetized magnetic conductive metal 135 falls into the fourth groove 118 in the collection basin 117 from the third communicating groove 150 through the second communicating groove 119 due to the influence of gravity, and then the equipment continues to operate, the equipment returns to the initial state, the collection basin 117 extends out of the machine body 100 again, the demagnetized magnetic conductive metal 135 can be taken out, meanwhile, the equipment performs a second metal demagnetizing operation, and the equipment circulates the operations until all metals are demagnetized.

From the above detailed analysis it can be seen that: equipment need not artifical manual demagnetization operation, and whole equipment demagnetization process automation degree is high, and equipment utilization the transmission shifter mechanism carries out the kinetic energy conversion, makes the demagnetization process can go on in circulation, has improved the efficiency of metal demagnetization greatly, simultaneously strong magnetic screening and heating power demagnetization mechanism carry out the strong magnetic demagnetization of first round, gets into the alternating magnetic field demagnetization device afterwards and carries out the demagnetization of second round, and equipment demagnetization is accurate, and strong magnetic metal remains magnetism greatly reduced, and demagnetization efficiency is high, strong magnetic after the screening just carries out the demagnetization of first round heating power, and the equipment is whole energy-concerving and environment-protective, and the commonality is strong.

Therefore, the metal demagnetizing equipment provided by the invention has the advantages that the automation degree is high, the equipment is circularly demagnetized by utilizing mechanical transmission conversion, the metal demagnetizing efficiency is improved, the metal magnetic force residue is less, the equipment demagnetizing efficiency is high, the energy is saved, the environment is protected, and the overall universality of the equipment is strong.

In summary, the invention is only a specific embodiment, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of by the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. A metal demagnetizing device comprises a machine body, and is characterized in that: a first cavity is arranged in the machine body, the right side of the first cavity is communicated with a first rotating cavity, a second cavity is arranged in the bottom wall of the first cavity, a first communicating groove is arranged between the second cavity and the first cavity in a communicating manner, a magnetic conductive metal conveying device is arranged between the second cavity and the first cavity, a third cavity is arranged in the end wall of the right side of the second cavity, an arc-shaped communicating groove is arranged between the third cavity and the first cavity in a communicating manner, a second rotating cavity is arranged at the arc position in the arc-shaped communicating groove in a communicating manner, a first sliding groove is arranged at the right side of the second rotating cavity in a communicating manner, a strong magnetic screening and thermal demagnetization mechanism is arranged between the arc-shaped communicating groove and the first sliding groove, a second sliding groove is arranged in the rear side end wall of the second cavity in a communicating manner, the third cavity is provided with the second sliding groove, and a first groove with, an alternating magnetic field demagnetizing device is arranged between the first groove and the second sliding groove, a second communicating groove is communicated with the bottom wall of the third cavity, a third sliding groove communicated with the outer side of the machine body is arranged between the second cavity and the second communicating groove, a demagnetized metal conveying device is arranged between the third sliding groove and the second communicating groove, and a transmission switching mechanism is arranged among the third cavity, the second cavity and the third sliding groove;

wherein the magnetic conductive metal conveying device comprises the first cavity, the top end of the first cavity is communicated with the outer side of the machine body and is provided with a magnetic conductive metal placing groove, the magnetic conductive metal placing groove is internally provided with magnetic conductive metal in a sliding way, the first cavity is internally and rotatably provided with a first rotating shaft extending forwards and backwards and a second rotating shaft positioned on the left side of the first rotating shaft, a first disk rotating in the first rotating cavity and a first circular gear positioned at the rear side of the first disk are fixedly arranged on the outer surface of the first rotating shaft, the first disc is provided with second grooves which are vertically and bilaterally symmetrical, the magnetic conductive metal enters the second grooves through the magnetic conductive metal placing grooves, a second circular gear meshed with the first circular gear and a first belt pulley positioned on the front side of the second circular gear are fixedly arranged on the outer surface of the second rotating shaft;

the strong magnetic screening and thermal demagnetization mechanism comprises the arc-shaped through groove, a third rotating shaft extending forwards and backwards is rotatably arranged in the second rotating cavity, a first motor is connected with the inner power of the end wall at the rear side of the second rotating shaft, a second disc is fixedly arranged on the outer surface of the third rotating shaft, a ferromagnetic metal ring is fixedly arranged on the outer surface of the second disc, a ferromagnetic electrifying slider is slidably arranged in the first sliding groove, a spring is fixedly arranged between the ferromagnetic electrifying slider and the end wall at the right side of the first sliding groove, a conductive contact matched with the ferromagnetic electrifying slider is fixedly arranged on the top wall at the left side of the first sliding groove, a heating net is fixedly arranged on the outer surface of the second rotating cavity, and a first electrifying pipeline is electrically connected between the heating net and the conductive contact;

wherein the alternating magnetic field degaussing device comprises the third cavity, the second sliding groove is provided with a first sliding block in a sliding way, a third communicating groove which penetrates through the first slider up and down and is communicated with the third cavity is arranged in the first slider, a fourth sliding groove which penetrates through the first slider left and right and is communicated with the third cavity is arranged in the first slider, a second sliding block is arranged in the fourth sliding groove in a sliding manner, a fourth communicating groove matched with the third communicating groove is arranged on the right side of the second sliding block, a fixed block is fixedly arranged in the first groove, an alternating coil for generating an alternating magnetic field is wound on the outer surface of the fixed block, a second communication pipeline electrically connected with the alternating coil is fixedly arranged between the outer surface of the fixed block and the top wall of the third cavity, and a fifth communication groove which penetrates left and right and is communicated with the third cavity is formed in the fixed block;

wherein the transmission switching mechanism comprises the second cavity, a fourth rotating shaft extending forwards and backwards and a fifth rotating shaft positioned at the bottom end of the fourth rotating shaft are rotatably arranged in the second cavity, a sheave and a second belt pulley positioned at the front side of the sheave are fixedly arranged on the outer surface of the fourth rotating shaft, third grooves are symmetrically arranged in the sheave from top to bottom and from left to right, a belt is connected between the first belt pulley and the second belt pulley in a transmission manner, a second motor is connected in the end wall at the rear side of the fifth rotating shaft in a power manner, a third disc and a fourth disc positioned at the front end of the third disc are fixedly arranged on the outer surface of the fifth rotating shaft, a first hinge shaft matched with the third grooves is fixedly arranged on the end surface at the front side of the third disc, a first hinge rod is hinged on the end surface at the front side of the fourth disc, and a sixth rotating shaft positioned at the right side of the fifth rotating shaft is rotatably arranged in the second, a second hinge rod is fixedly arranged on the outer surface of the sixth rotating shaft, a second hinge shaft is hinged between the first hinge rod and the second hinge rod, a third hinge rod is hinged between the second hinge shaft and the first sliding block, a third sliding block is arranged on the left side of the third sliding groove in a sliding manner, a fourth hinge rod is hinged on the left side of the third sliding block, and a third hinge shaft is hinged between the fourth hinge rod and the second hinge rod;

wherein, demagnetization metal conveyor includes the third sliding tray, the third sliding tray right side slides and is provided with the collection basin, be provided with the ascending fourth recess of opening in the collection basin, collect the fixed fourth slider that is provided with in basin left side, the fourth slider with the transmission is provided with hydraulic line between the third slider.