41 results about "Demagnetizing device" patented technology

The utility model belongs to the field of powder impurity removal, and particularly relates to wet type demagnetizing equipment. The utility model relates to wet type demagnetizing equipment, which comprises a shell, a demagnetizing device, a demagnetizing device, a demagnetizing device and a demagnetizing device, the upper end cover is attached to the shell on the upper portion; the magnetic rod fixing plate is positioned above the upper end cover and is fixedly connected with a plurality of vertically arranged magnetic rods; the number of the magnetic bar sleeves is equal to that of the magnetic bars, the magnetic bar sleeves are fixed in the cavity of the shell, and the magnetic bars can penetrate through the upper end cover to be inserted into the corresponding magnetic bar sleeves; the slurry inlet, the slurry outlet and the drain outlet are arranged in parallel, the slurry inlet and the slurry outlet are arranged on one side of the shell, and the drain outlet is arranged on the other side of the shell; and the magnetic bar fixing plate drives the magnetic bar to move up and down in the corresponding magnetic bar sleeve through a lifting device. According to the utility model, positive electrode material particles can be dispersed, the magnetic bar is made of a permanent magnet material and does not need to be magnetized and demagnetized, the equipment structure is simplified, and the equipment is small in size, light in weight and wide in application range.

This application relates to a demagnetizing device, a coating equipment, and a coating method for battery electrode sheets. The demagnetizing device includes: a guiding mechanism disposed on a slit-type processing device; a movable component slidably mounted on the guiding mechanism; a magnet unit connected to the movable component, which has the ability to attract magnetic impurities; a transmission component connected to the movable component; and at least one driving mechanism disposed outside the slit-type processing device for driving the transmission component and the movable component. During the driving of the transmission component and the movable component, the magnet unit reciprocates along the guiding mechanism near the workpiece to be demagnetized. This application has advantages such as high demagnetizing safety, high efficiency, and low difficulty in arrangement and operation.

The utility model discloses a demagnetizing device, which relates to the technical field of superconducting magnetic separators, is used for demagnetizing mineral particles remained on a superconducting magnetic separator and adhered on magnetic conductive stainless steel wool inside a separating tank, and comprises a magnet ring, an electromagnetic coil and a control cabinet, and an electromagnetic coil is arranged at the top of the magnet ring, is electrically connected with the control cabinet, is electrified and generates a reverse magnetic field under the interaction of the magnet ring. The device has the effects of solving the problem of adhesion of mineral particles, improving the flushing efficiency and guaranteeing the treatment quality of subsequent products.

The invention belongs to the technical field of drilling fluid deironing equipment, and provides a drilling fluid demagnetizing device parameter optimization method based on a genetic algorithm and a related device.The method comprises the steps that structure and process parameters of a drilling fluid demagnetizing device are obtained and converted into individual codes of the genetic algorithm, design parameters of the drilling fluid demagnetizing device are obtained and serve as gene codes, and the genetic algorithm is used as the individual codes of the drilling fluid demagnetizing device; each individual represents a device configuration parameter; constructing a fitness function based on the adsorption efficiency, the processing capacity and the cost of the drilling fluid demagnetizing device; and based on the fitness function, evaluating the fitness of each individual, performing selection, crossover and mutation operation on the population to generate a new generation of individuals, and when a predetermined evolution algebra is reached or the fitness reaches a predetermined threshold, completing optimization. Various parameters are allowed to be adjusted according to actual conditions by adopting a parameter optimization algorithm so as to adapt to different types of fluids containing magnetic substances, the flexibility is high, and the application field is wider.

The utility model relates to the technical field of excitation systems, in particular to an automatic field suppression device and an excitation system, comprising a primary excitation power supply which is electrically connected with a generator rotor according to a current output direction; the de-excitation loop comprises a de-excitation switch and a de-excitation resistor which are sequentially connected between the positive electrode and the negative electrode of the primary excitation power supply, and the de-excitation resistor is connected with the generator rotor in parallel; and the overvoltage protection loop is connected in parallel with the de-excitation resistor and comprises an overvoltage jumper and an overvoltage resistor which are connected in sequence. According to the utility model, the primary excitation power supply, the field suppression circuit and the overvoltage protection circuit are used in cooperation, overvoltage protection can be provided for the field suppression circuit, the reset button is used in cooperation with the remote / local control module, manual reset is realized, and the problem of remote and local control switching is solved.

The utility model relates to the field of blade box processing equipment, in particular to a blade box labeling degaussing device, which comprises a labeling component, a degaussing component, a conveying component and an overturning component, during labeling, a blade box is conveyed to the starting point of the first conveying component from a front procedure, and a blocking cylinder controls a blocking rod to move to abut against the blade box. The overturning air cylinder controls the clamping jaw to clamp the blade box to overturn by 180 degrees, and then conveying and labeling are conducted. And the first conveying assembly conveys the labeled blade box to the starting point of the second conveying assembly, an overturning air cylinder at the position of the second conveying assembly repeats the actions, after the blade box is overturned by 180 degrees, the blade box recovers the state that the front face faces upwards, and then demagnetization is conducted through the demagnetization assembly. Therefore, the bottom surface of the blade box can be labeled, and the final delivery of the blade box is not influenced. Compared with multi-angle adjustment of a labeling manipulator in the prior art, the requirement for the manipulator is lowered, the labeling time of the manipulator does not need to be increased, and therefore the labeling efficiency is improved.

This utility model discloses a filtration and demagnetization device for an electrolytic copper foil liquid preparation pipeline, comprising a core unit. The core unit has a detachable maintenance cover on its top, and a support plate is connected to the bottom of the maintenance cover. A magnetic component is fixedly connected below the support plate, and an anti-erosion filter barrel is sleeved around the magnetic component. The outer wall of the anti-erosion filter barrel is provided with equiangularly distributed grid-like filter holes. The diameter of the grid-like filter holes on the output side of the core unit is smaller than that on the input side of the core unit. This utility model is installed at the rear end of the filtration equipment via a left and right connecting end. The magnetic component actively adsorbs ferromagnetic impurities in the electrolyte, compensating for the shortcomings of traditional filtration processes in handling magnetic impurities. The maintenance cover is threaded to the top of the core unit via a lifting eye nut and screws, allowing for quick disassembly without special tools. This enables the magnetic component and the anti-erosion filter barrel to be removed as a whole, significantly reducing maintenance time.

The utility model relates to the technical field of magnetizing and demagnetizing devices, and discloses a novel demagnetizing and magnetizing device which comprises a magnetizing and demagnetizing box body, an installation block is fixedly installed on the back face of the magnetizing and demagnetizing box body, connecting sliding holes are formed in the left end and the right end of the top of the installation block respectively, an adjusting pull rod is arranged at the top of the installation block, and the adjusting pull rod is in an inverted U shape. The left end and the right end of an adjusting pull rod are connected into the corresponding connecting sliding holes in a sliding mode respectively, universal wheels are fixedly installed at the positions, close to the four corners, of the bottom of the magnetizing and demagnetizing box body respectively, each universal wheel has a braking function, and an auxiliary handle used for lifting the magnetizing and demagnetizing box body is fixedly installed in the middle of the top of the magnetizing and demagnetizing box body. According to the utility model, the moving modes can be flexibly switched according to different moving scenes, and the applicability is improved.

The invention discloses a demagnetizing and filtering trolley, and relates to the technical field of circulating water filtration, the demagnetizing and filtering trolley comprises a trolley body and a demagnetizing device, ball valves are symmetrically arranged right above the trolley body, the output ends of the ball valves are connected with injection pipe fittings, the outer sides of the injection pipe fittings are connected with a supporting frame, the supporting frame is arranged right above the trolley body, and the demagnetizing device is arranged on the trolley body. A circulation mechanism is arranged over the vehicle body and drives liquid to flow through the demagnetizer, and a high-intensity magnetic field environment is constructed through a built-in magnet assembly of the circulation mechanism. When slag needs to be discharged, power is cut off to demagnetize the magnet assembly, and under the action of fluid pressure or gravity, metal particles adsorbed on the surface of the magnet flow to the blow-down valve along with liquid to complete impurity emptying operation. The circulating mechanism drives the liquid to continuously flow through the demagnetizer to form a circulating flow path, so that ferromagnetic impurities in the liquid have more opportunities to be in contact with a high-intensity magnetic field area, the demagnetizing effect is further improved, and it is ensured that the ferromagnetic impurities in the liquid are fully adsorbed.

1. Name of the designed product: demagnetizing device (high efficiency). 2. Use of the designed product: for slurry demagnetization. 3. Design points of the designed product: in the overall shape of the product. 4. Picture or photo best indicating the design points: perspective view 1.

The invention relates to the technical field of power equipment detection, in particular to an evaluation device for a transformer degaussing device, which comprises a transformer degaussing instrument, an iron core, a coil, a magnet, a digital tensile machine, a first selection switch, a second selection switch, a third selection switch, a fourth selection switch and a direct current generator, the coil is wound outside the iron core; the transformer degaussing device comprises an iron core, a magnet and a digital tensile machine, the magnet is arranged on the lower portion of the iron core, the distance between the magnet and the iron core is 3 cm, and the digital tensile machine is connected with the magnet and used for detecting the tensile force borne by the magnet. The blank that the degaussing device lacks network access detection means in the prior art is filled; by means of the system, the degaussing devices of any manufacturer in the market can be detected in a unified standard mode, inferior devices caused by no detection means are prevented from flowing into the market, and the degaussing quality of the transformer is guaranteed from the source.

This utility model provides a portable permanent demagnetizing device for pipelines, relating to the technical field of permanent demagnetizing devices. The device includes a main body containing a coil. A first damping rod is fixedly connected to the bottom of the inner wall of the main body, and an arc plate is fixedly connected to the top of the first damping rod. A first spring is sleeved on the surface of the first damping rod, and the bottom of the first spring is fixedly connected to the bottom of the inner wall of the main body. When using the support device, the rotating block is manually controlled to rotate the rod to a suitable position, causing the moving frame to slide to the end of the rotating bar away from the rotating block. This then controls the rectangular bar to rotate the rotating rod, causing one side of the rectangular bar to be placed on the ground, pressing the limiting strip between the rectangular bar and the support block. This effectively restricts the moving frame to the surface of the rotating bar, thus placing one side of the rectangular bar on the ground.

The utility model provides a slurry demagnetizing device and a battery production system, and belongs to the technical field of batteries. The slurry demagnetizing device comprises a pipe body assembly, a magnetic foreign matter adsorption assembly and a cleaning assembly. The pipe body assembly is provided with a containing cavity used for containing slurry. The magnetic foreign matter adsorption assembly is arranged in the accommodating cavity and is used for adsorbing magnetic foreign matters in the slurry; the cleaning assembly is arranged in the containing cavity and comprises an elastic cleaning piece, and the elastic cleaning piece is attached to at least part of the surface of the magnetic foreign matter adsorption assembly; the elastic cleaning piece is configured to move along the surface of the magnetic foreign matter adsorption assembly under the driving of external force. The elastic cleaning part is attached to at least the surface of the magnetic foreign matter adsorption assembly, and moves along the surface of the magnetic foreign matter adsorption assembly under the driving of external force, so that the effect and efficiency of adsorbing the magnetic foreign matter by the slurry demagnetizing device are improved.

The utility model discloses a driving device for removing foreign matters in air, which comprises a suction device and a main pipeline, the output end of the suction device is communicated with the main pipeline, the output end of the main pipeline is connected with an air inlet of a kiln, the main pipeline is detachably connected with a first two-way pipeline and a second two-way pipeline, and the first two-way pipeline and the second two-way pipeline are communicated with each other. A demagnetizing device is fixedly arranged in the first two-way pipeline, a fine filtering device is fixedly arranged in the second two-way pipeline, a first two-way valve is fixedly arranged at the input end of the first two-way pipeline, and a second two-way valve is fixedly arranged at the input end of the second two-way pipeline; the first two-way pipeline provided with the demagnetizing device and the second two-way pipeline provided with the fine filtering device are arranged on the main pipeline to adsorb magnetic foreign matters and foreign matters with large particles in the air, and the first two-way pipeline and the second two-way pipeline are detachably connected. And the demagnetizing device and the fine filtering device can be replaced without shutdown, so that the production efficiency is improved.

The utility model provides a lithium battery slurry demagnetizing system, which is used for preparing a battery active material and comprises a demagnetizing device, a demagnetizing device and a demagnetizing device, a coating device; and the slurry can remove magnetic substances through the demagnetizing device, and reaches the coating device through the magnetic substance detection device. By adopting the technical scheme, on one hand, the content of the magnetic substances in the slurry passing through the demagnetizing device can be detected on line in real time, and the information of the content of the magnetic substances in the slurry can be fed back in time, so that the production process can be adjusted in real time, and unqualified slurry is prevented from entering the next process (such as a coating device). And on the other hand, the content of the magnetic substances in all the slurry can be detected without manual sampling in the detection process, so that the production cost and the labor cost are reduced, the waste of the slurry is avoided, the detection reliability is improved, and the detection result can truly reflect the content of the magnetic substances in the slurry.

The utility model discloses a cooling mechanism for a carbon material demagnetizing device, and relates to the technical field of carbon material demagnetizing. Comprising a cooling mechanism, the cooling mechanism is arranged to be of a box body structure, the box body is arranged on one side of the carbon material demagnetizing device, an air inlet, an air outlet and an air channel connected between the air inlet and the air outlet are formed in the box body, a fan assembly is installed at the air outlet in a quick-release mode, and a heat exchange assembly is arranged in the cooling mechanism. And the heat exchange assembly is arranged in the air duct. According to the cooling mechanism for the carbon material demagnetizing device, the box body is arranged on the cooling mechanism, the multiple porous heat conduction plates are arranged in the box body, the multiple sets of heat conduction pieces are arranged on the heat conduction pipe, and the heat conduction pieces are attached to the porous heat conduction plates, so that the heat transfer efficiency between the porous heat conduction plates and the heat conduction pipe is improved.

The utility model relates to bar flaw detection degaussing technical field, specifically disclose an integrated bar flaw detection degaussing device, including work table, the surface symmetry of work table inlayed installation has linear motor, and the surface drive piece surface of linear motor is connected with support frame, the surface of support frame is installed with degausser, and the surface symmetry of support frame is installed with connecting rod, and the end fixed connection of connecting rod has cleaning block, the surface of work table is installed with the placing plate. This integrated bar flaw detection degaussing device has set up degausser, linear motor and ultrasonic flaw detector, linear motor drives support frame to move, makes bar first into degausser and degausses, after degaussing is completed, sweeps degausser surface chippings through cleaning block, then moves to the below ultrasonic flaw detector and carries out flaw detection, need not manual transfer work piece, ensure that the degaussing and flaw detection procedure of every bar are continuously completed on the same equipment, improve operation efficiency.

The utility model relates to the technical field of electrode material manufacturing, and discloses a pot turning demagnetizing device which comprises a rack and a pot turning shell, and the rack is used for supporting the pot turning shell; the saggar overturning cavity is formed in the saggar overturning shell, a saggar is contained in the saggar overturning cavity, the saggar is suitable for overturning in the saggar overturning cavity, and the saggar is suitable for containing materials; the demagnetizing assembly comprises permanent magnet rods and a grid, and the permanent magnet rods are evenly distributed on the inner wall of the overturning bowl cavity and used for adsorbing magnetic foreign matter in the materials; and the grating is magnetic, is fixed at the bottom of the overturning bowl cavity and is suitable for further adsorbing magnetic foreign matters in the materials. And the permanent magnet rods and the magnetic grids are combined to remove magnetism, so that magnetic foreign matters in the materials can be comprehensively adsorbed, and the purity of the materials is improved. And the materials are fully mixed in the rolling process through the matching of the turning bowl cavity and the saggar, so that the consistency of material treatment is ensured.

The invention relates to the technical field of power equipment maintenance, in particular to a transformer degaussing device which comprises a large power transformer, a transformer iron core, a winding, a first outgoing line sleeve, a second outgoing line sleeve, a first change-over switch, an adjustable capacitor, an indicator lamp, a second change-over switch, a voltmeter, an electric reactor and a variable-frequency power source. Wherein the winding is wound outside the iron core, and two ends of the winding are respectively connected with the first wire outlet sleeve and the second wire outlet sleeve; parameters of the adjustable capacitor are matched according to the voltage class and capacity of the transformer. According to the device, the adjustable capacitor and the winding inductor form a resonance circuit to realize rapid demagnetization, the indicating lamp is utilized to visually display the demagnetization state, the problems of long demagnetization time and difficult effect judgment in the prior art are solved, transformer faults can be found early, safe and stable operation of equipment is guaranteed, and the practicability is high.

The utility model discloses a demagnetizing device for battery slurry. The demagnetizing device comprises a plurality of overflowing cylinders and magnetic bars, wherein the overflowing cylinders are communicated with one another and are used for containing the slurry; the magnetic bars are inserted into the overflowing cylinders; the device is characterized by further comprising a cover plate capable of sealing and covering the openings of all the overflowing cylinders; wherein the magnetic bar penetrates through the cover plate, and the magnetic bar and the cover plate are connected together through a clamping mechanism. According to the magnetic bar cleaning device, all the magnetic bars are connected together through the arranged cover plate, all the magnetic bars can be conveniently taken and placed in one step, the magnetic bars are fixed to the cover plate through the clamping mechanism arranged on each magnetic bar, and the magnetic bars can be cleaned after clamping of the magnetic bars by the clamping mechanisms is removed. The cover plate is controlled by the driving mechanism to cover and open the overflowing cylinder, so that the magnetic bars can be quickly and integrally taken and placed from the overflowing cylinder, the tedious process of separately disassembling and assembling each magnetic bar is avoided, and the maintenance time and the labor cost are saved.

The application discloses a mobile demagnetization device and method for large steel plate processing, and belongs to the technical field of demagnetization. The mobile demagnetization device comprises a mobile trolley, an in-out mechanism, an up-down mechanism and a demagnetization generator. A vertical rod is fixed on the mobile trolley, and the vertical rod is connected with the in-out mechanism through a first connecting piece. One end of the in-out mechanism is connected with one end of the up-down mechanism through a second connecting piece, and the other end of the up-down mechanism is provided with the demagnetization generator. The demagnetization generator is adjusted in horizontal and vertical directions through the in-out mechanism and the up-down mechanism. The mobile demagnetization device can move on the steel plate and is suitable for demagnetization of large steel plates. The position of the demagnetization generator can be adjusted, and the demagnetization generator is suitable for demagnetization of steel plates with different thicknesses and different widths. In addition, the alternating magnetic field strength and direction can be adjusted according to the size of the steel plate to be demagnetized and the size of the residual magnetic field.

The utility model discloses a batch demagnetizing device, which relates to the field of demagnetizing devices and comprises a demagnetizing frame, and a demagnetizing coil is wound outside the demagnetizing frame. The storage cylinder is connected with an inner cavity of the demagnetization frame in a sliding and penetrating mode, placing grooves are formed in the top end of the storage cylinder at equal intervals, and the fixing mechanism is arranged on the storage cylinder. The arrangement mode that the storage cylinder is matched with the fixing mechanism is utilized, the containing grooves for containing the magnets are formed in the storage cylinder at equal intervals, and therefore a large number of magnets can be stacked in the containing grooves in a stacking mode, and when a worker starts the demagnetizer, the demagnetizer generates alternating current to drive the demagnetizing coil to generate an axial alternating magnetic field; and finally, products with NS poles alternately arranged on the axis of the demagnetizing coil in the storage barrel are demagnetized, an operator can fully demagnetize the products in batches in a short time by utilizing the design of the T-shaped placing groove and the gravity effect, and the production efficiency is greatly improved.

The application discloses a permanent magnet rail degaussing device and relates to the technical field of rail degaussing.The permanent magnet rail degaussing device comprises a shell and a degaussing assembly arranged on the inner wall of the shell; the shell comprises a top mounting plate and first and second side mounting plates arranged on the two sides of the bottom of the top mounting plate; the bottom of the top mounting plate is provided with a pulley which slides along the rail; the degaussing assembly comprises a top degaussing group, a rail head degaussing group and a rail waist degaussing group which generate continuously commutated degaussing magnetic fields respectively; the top degaussing group is arranged on the top mounting plate; and the first and second side mounting plates are both provided with the rail head degaussing group and the rail waist degaussing group oppositely. The top degaussing group, the rail head degaussing group and the rail waist degaussing group generate continuously commutated degaussing magnetic fields respectively, so that the main circuit breaker of the motor train unit does not abnormally jump, thereby solving the problem that the existing degaussing method and degaussing device cannot be applied to the rail.

The utility model discloses a powder lithium battery negative material demagnetizing device, including demagnetizing machine the bottom of demagnetizing machine is fixed with drive piece, the inside fixed with driven rotary lever of drive piece, one side wall of driven rotary lever is fixed with auxiliary part, and the outer wall of connecting rod is wound with reciprocating piece, the bottom fixed with sliding block of reciprocating piece, the bottom fixed with sliding vertical pole of sliding block, the bottom fixed with cleaning inclined plate of sliding vertical pole. Through the cooperation of drive piece, auxiliary part and reciprocating piece, realize the impurity cleaning of magnetic force board, and drive motor drives driven rotary lever to rotate, and the linkage cleaning plate and the cleaning plate on it can scrape the impurity at the bottom of magnetic force board, and the transmission of driven belt, linkage rotary lever, linkage pulley and other components in reciprocating piece makes sliding block drive sliding vertical pole and cleaning inclined plate reciprocating motion, and the impurity at the top of magnetic force board is cleaned, avoids the impurity accumulation to disturb the normal work of magnetic force board, and guarantees the stability and reliability of demagnetizing effect.

The invention discloses multi-station automatic gear machining equipment and a method thereof, and aims to solve the problems of low efficiency, unstable quality and high collision rejection rate caused by the fact that multiple procedures depend on manual operation in the pre-welding preparation process of a new energy gear welding assembly. The equipment comprises a supporting frame, and a gear demagnetizing device, a gear feeding device, a power frequency heating device, a gear press-fitting device, a gear transferring truss, a control electric cabinet, a residual magnetism detection device, an unqualified product discharging line and a pre-welding heating device which are arranged on the supporting frame. All the devices are connected through a gear transfer truss and are controlled by a control electric cabinet in a centralized mode, and the processes of demagnetization, preheating before press fitting, press fitting, residual magnetism detection and preheating before welding are sequentially completed. Through high integration and full-process automation, the number of operators is reduced to one, the production efficiency and the product quality stability are greatly improved, and the gear assembly production line is suitable for large-scale automatic production of gear assemblies.

The utility model relates to the field of lithium battery demagnetization, and discloses a demagnetization device capable of reducing the content of magnetic metal particles, which comprises a demagnetization barrel, a magnet exciting coil wound outside the demagnetization barrel, a feed pipe, a flushing pipe, a discharge pipe and a control valve mounted on the discharge pipe, wherein the feed pipe, the flushing pipe and the discharge pipe are communicated with the demagnetization barrel; and a hollow pipe is rotationally connected to the demagnetizing barrel. The device disclosed by the utility model has the following advantages and effects that the first inverted conical rod drives the width of the second inverted conical rod at different positions to change the distance between the two baffles in the same group, so that the distance between the mixing rod and the inner wall of the demagnetizing barrel is changed, and then the first inverted conical rod drives the second inverted conical rod to be fixed by using the bolt; therefore, the transverse position of the mixing rod is fixed, the mixing rod fully disperses magnetic substances and electrode materials during demagnetization, and the mixing rod can be matched with flushing water to scrape off the magnetic substances adsorbed on the demagnetization cylinder when the magnetic substances are discharged.

The utility model discloses a degaussing device for welding under a strong magnetic field, the degaussing device comprises a horseshoe-shaped bend made of a steel plate and an insulated wire wound on the horseshoe-shaped bend, the horseshoe-shaped bend is of a U-shaped structure, and the horseshoe-shaped bend comprises an upper horseshoe part and a lower horseshoe part; the direct-current welding machine comprises two low-voltage output ports, and the insulated wire is connected to the two low-voltage output ports. A magnetic field is balanced through the degaussing device, the welding quality is effectively controlled, and the problem that equipment such as a desulfurizing tower cannot be welded in a high-intensity magnetic field is solved. In addition, the degaussing devices are installed on the movable tool, a plurality of degaussing devices can be placed, the welding operation efficiency is improved, the degaussing devices are moved to the positions needing to be welded through the movable tool during welding operation, the carrying time is saved, and the operation efficiency is improved.

The embodiment of the utility model provides a demagnetizing device and battery production equipment. The demagnetizing device comprises a plurality of demagnetizing mechanisms, a connecting pipe group and a valve control part, each demagnetizing mechanism comprises a demagnetizing tank and an adsorption assembly, each demagnetizing tank is provided with a demagnetizing cavity, a feeding port and a discharging port, the feeding port and the discharging port are communicated with the demagnetizing cavity, each adsorption assembly comprises an adsorption part, and the adsorption parts are configured to adsorb magnetic substances in slurry in the demagnetizing cavities. The connecting pipe set is provided with a plurality of feeding channels and a plurality of discharging channels, the feeding channels are communicated with the feeding ports in a one-to-one correspondence mode, and the discharging channels are communicated with the discharging ports in a one-to-one correspondence mode. The valve control part comprises a plurality of first valves, each feeding channel is provided with a first valve, and the first valves are configured to control on-off of the feeding channels. Wherein the first valves arranged on one part of the feeding channels and the first valves arranged on the other part of the feeding channels are alternately opened and closed. The application is beneficial to improving the demagnetizing efficiency.

The utility model relates to a core type transformer magnetizing and demagnetizing device which comprises a main control board, a plurality of power supply boards, a power supply module and an interaction module, the plurality of power supply boards are connected with the main control board, the power supply module is respectively connected with the main control board and the power supply boards, and the interaction module is connected with the main control board. The power panel is provided with a control chip, a step-down circuit, a commutation circuit, a current sampling circuit and a voltage sampling circuit, the control chip is connected with the main control panel, the main control panel outputs PWM signals to the step-down circuit, the output end of the step-down circuit is connected with the input end of the commutation circuit, the commutation circuit is connected with each phase of the transformer, and the current sampling circuit is connected with the voltage sampling circuit. The commutation circuit is respectively connected with the current sampling circuit and the voltage sampling circuit, and the current sampling circuit and the voltage sampling circuit are respectively connected with the control chip. Automatic demagnetizing and magnetizing are achieved, stable constant current is output, high voltage constant current can be output to deal with the situation that the internal resistance of the power transformer is high, various kinds of communication are achieved, and three paths of demagnetizing and magnetizing can be independently output.

The utility model discloses bearing ring demagnetization equipment which comprises a workbench, the upper end of the workbench is fixedly connected with a demagnetizer, a moving groove is formed in the upper portion of the workbench, mounting grooves are symmetrically formed in the lower portion of the moving groove, one side of each mounting groove is fixedly connected with a transmission motor, and the other side of each mounting groove is fixedly connected with a transmission motor. Output shafts of the two transmission motors are fixedly connected with threaded rods, the outer surfaces of the two threaded rods are in threaded connection with threaded blocks, a first mounting plate and a second mounting plate are fixed to the upper ends of the two threaded blocks correspondingly, and supporting plates are symmetrically and fixedly connected to the upper ends of the first mounting plate and the second mounting plate correspondingly; a plurality of grooves are formed in the upper portion of the supporting plate. By arranging the two sets of mounting grooves, the transmission motor, the threaded rod, the threaded block, the first mounting plate and the second mounting plate, when the bearing ring on the first mounting plate is demagnetized, the bearing ring can be mounted on the second mounting plate, the taking and placing time is saved, and the demagnetizing efficiency of the bearing ring is improved.