1073results about "Magnetic bodies" patented technology

The invention relates to the technical field of magnetic shielding cabins and demagnetization, and discloses a demagnetization method and device of a magnetic shielding cabin, computer equipment and a storage medium, and the demagnetization method comprises the following steps: applying saturation current to a demagnetization coil of the magnetic shielding cabin, and pre-magnetizing the magnetic shielding cabin to a magnetic saturation state; applying staged damped oscillation current to a degaussing coil of the magnetic shielding cabin to gradually reduce the magnetization degree of the magnetic shielding cabin; the magnetization degree of the magnetic shielding cabin is monitored in real time, and parameters of current attenuation are dynamically adjusted through a closed-loop feedback mechanism until the magnetization degree of the magnetic shielding cabin meets the target requirement. Through the synergistic effect of a staged demagnetization strategy and a closed-loop feedback mechanism, efficient and accurate demagnetization of the multi-layer permalloy material in the large magnetic shielding cabin is achieved.

The single-station magnetizing detection device comprises a machine table, a rack, a magnetizing box, a lifting clamping mechanism and a detection mechanism, the rack is vertically arranged on the machine table, the magnetizing box is installed on the machine table, the magnetizing box is provided with a vertically-penetrating magnetizing channel, the lifting clamping mechanism comprises an upper clamping mechanism and a lower clamping mechanism, and the upper clamping mechanism and the lower clamping mechanism are connected through the lifting clamping mechanism. The upper clamping mechanism is installed on the rack and comprises a lower abutting shaft capable of ascending and descending and rotating, the lower clamping mechanism is installed below the surface of the machine table and comprises an upper abutting shaft capable of ascending and descending, the upper end and the lower end of the rotor are clamped through the lower abutting shaft and the upper abutting shaft, and the rotor is moved into a preset height position in the magnetizing channel to be magnetized; the detection mechanism is installed on the machine table and located on one side of the magnetizing box, comprises a detection head and is used for detecting the magnetizing flux of the rotor through the detection head when the rotor rises to a preset position after being magnetized in the magnetizing box. According to the single-station magnetizing detection device provided by the invention, the rotor can be efficiently magnetized and detected.

The invention discloses a method and a device for controlling magnetizing uniformity of a permanent magnet rotor, relates to the technical field of permanent magnet rotors, and aims to evaluate the risk of uniformity during magnetizing of the permanent magnet rotor in advance and provide effective early warning for magnetizing operation by analyzing temperature change data, shape data and surface defect data and constructing a magnetic field response capability coefficient. Based on monitoring of the internal magnetic domain data and the magnetic data of the permanent magnet rotor in the step S3, the magnetic field stability of the rotor can be dynamically analyzed in combination with the influence of an external magnetic field generated by a magnetizing source on magnetic domain alignment. The comprehensive magnetic performance stability index is generated by comprehensively considering the magnetic field response capability coefficient and the magnetizing state prediction model, and a scientific basis is provided for control and optimization in the subsequent magnetizing process. Intelligent control and optimization are carried out, grade scoring is carried out by setting a risk threshold value R and combining the comprehensive magnetic performance stability index, the magnetizing operation effect can be accurately evaluated, and corresponding control measures are taken under different grades.

The invention provides strip magnetizing equipment which comprises a machine body, a strip, a transmission mechanism, a coating mechanism, a baking mechanism and a magnetizer, the strip penetrates through the machine body and is conveyed through the transmission mechanism, the coating mechanism is arranged on the front side of an inlet of the machine body in the conveying direction and used for coating the strip with a coating capable of being magnetized, and the baking mechanism and the magnetizer are arranged on the machine body. The baking mechanism dries the coating on the strip, and the magnetizer magnetizes the coating. According to the strip magnetizing equipment provided by the invention, continuous magnetizing of the strip can be realized, and the production efficiency of the magnetic strip is greatly improved.

The invention provides a strip magnetizer and a leveling mechanism thereof, the strip magnetizer comprises a bottom plate, a bearing plate and a magnetizing generating body, the magnetizing generating body comprises a base plate and a cover body, a magnetizing component is mounted on the surface of the base plate to form a magnetizing generator, the cover body covers the base plate and covers the magnetizing generator, the base plate is mounted on the bearing plate, and the base plate is mounted on the bearing plate. A height adjusting mechanism is arranged between the bearing plate and the bottom plate, a leveling mechanism is arranged between the bearing plate and the base plate and comprises a rotating column and a lifting adjusting unit, the rotating column is installed at one end of the bearing plate, and the rotating column is sleeved with one end of the base plate in a horizontally rotating and vertically swinging mode; the lifting adjusting unit is installed at the end, opposite to the rotating column, of the bearing plate, matched with one end of the base plate and used for adjusting lifting of one end of the base plate relative to one end of the rotating column. According to the strip magnetizer provided by the invention, the leveling mechanism is arranged, so that the parallelism between the magnetizing generating body and the surface of the strip can be adjusted, and the magnetizing efficiency of the magnetizing generating body on the strip is improved.

The invention provides a rotor magnetizing device and a magnetizing method thereof.The rotor magnetizing device comprises a machine base and a rotating disc structure, a rotating disc rotates to drive rotors on the rotating disc to sequentially enter all machining stations, and the machining stations comprise a feeding and discharging comprehensive station, a magnetizing station and a surface magnetic detection station; the feeding and discharging comprehensive station is provided with a material receiving mechanism and a detection mechanism. The material receiving mechanism receives the rotor and transfers the rotor to the rotating disc. The detection mechanism comprises a height measurement unit and a direction measurement unit, the height measurement unit detects the height of the rotor, and the direction measurement unit detects the circumferential face orientation position of the rotor; the loading and unloading comprehensive station is provided with a demagnetizing mechanism for demagnetizing the end part of the magnetized rotor; the magnetizing station is provided with a magnetizing box and a rotor positioning mechanism, and the rotor positioning mechanism clamps the orientation of the rotor and lifts the rotor to a required position in the magnetizing box; the magnetizing box magnetizes the rotor; and the surface magnetic detection station performs surface magnetic detection on the rotor. According to the rotor magnetizing device provided by the invention, the structure is simplified, and the magnetizing efficiency and precision are improved.

The invention provides a strip magnetizer and a height adjusting mechanism thereof.The strip magnetizer comprises a bottom plate, a bearing plate and a magnetizing generating body, the bearing plate is arranged on the bottom plate in a liftable mode, the magnetizing generating body is installed on the bearing plate, and the height adjusting mechanism is arranged between the bearing plate and the bottom plate and used for adjusting the height of the bearing plate relative to the bottom plate; the height adjusting mechanism comprises a rotating shaft, a sliding block structure screwed to the rotating shaft and a lower abutting protruding block, the sliding block structure is slidably installed on the bottom plate, the rotating shaft rotates to drive the sliding block structure to slide along the rotating shaft, the sliding block structure comprises a sliding block, and a slope surface is arranged on the top face of the sliding block; the lower abutting protruding block is arranged on the bottom face of the bearing plate and abuts against the slope face of the sliding block, the sliding block slides to drive the lower abutting protruding block to ascend and descend, and therefore the bearing plate and the magnetizing generating body installed on the bearing plate are driven to ascend and descend. According to the strip magnetizer provided by the invention, the height adjusting mechanism is arranged, so that the distance adjustment of the strip magnetizer relative to the strip magnetizing surface is facilitated.

The invention relates to a multi-pole magnetic field magnetizing test method and a spiral winding group thereof, and relates to the field of automatic magnetizing technology, and the method comprises the steps: constructing a test model, importing design parameters of a magnet to be tested, determining a multi-pole magnetic field distribution theoretical model, and defining a magnetic pole region and a key feature contour line; acquiring magnetic field data, scanning the surface of the magnetized magnet by using an array probe, and acquiring magnetic field intensity actual measurement data of a multi-dimensional coordinate; matching a magnetic pole contour, comparing an actually measured contour line with a theoretical contour line, and establishing sampling point mapping; correcting the deviation data, screening the deviation sampling points exceeding the threshold value, and determining magnetizing process adjustment parameters; and evaluating the magnetizing efficiency, carrying out iterative magnetizing based on the correction parameters, and generating an evaluation report containing indexes such as magnetic field uniformity and the like. The method has the effect of improving the magnetic field intensity and stability of the magnet during orientation magnetization.

The present invention discloses a demagnetization method based on a weak magnetic environment. A three-axis geomagnetic compensation coil is built outside a passive shielding device. Current is injected into the coil to generate a reverse magnetic field to offset the geomagnetism, thereby providing a weak magnetic environment for the shielding device. Based on the weak magnetic environment, a demagnetization power supply control system and a demagnetization coil are used to demagnetize the passive shielding layer of the magnetic shielding device, thereby further improving the demagnetization performance. This method can not only reduce the cost of using high-performance shielding materials when the magnetic shielding device adopts multi-layer shielding, but also effectively reduce the residual magnetism inside the shielding space, thereby constructing an extremely weak magnetic environment.

The invention discloses a strong magnetic rotor segmented integral magnetizing device and a magnetizing method thereof, and relates to the technical field of strong magnetic rotors, the method can effectively optimize a magnetizing sequence through analysis based on a sensitivity coefficient Mgxs and current response time Dysc in combination with a sorting prediction model, and the magnetizing efficiency is improved. And the situation that the current fluctuation is too large or the load is uneven in the magnetizing process is further avoided, so that the magnetizing efficiency is improved, and energy waste is reduced. In the magnetizing process, the reverse magnetic field phenomenon possibly caused in the magnetizing switching process is recognized in time by monitoring the current difference between the adjacent magnetic sections and the change speed of the current difference in real time. By further optimizing the magnetizing sequence through the judgment coefficient Pdxs, mutual interference between front and rear magnetic sections and generation of a reverse magnetic field caused by improper arrangement of the sequence are reduced, so that uniform distribution of the magnetic field and stability of rotor performance are ensured.

The invention discloses a powder metal particle removing system and method, and the method comprises the steps that powder is transferred into a preset container; mixing the powder materials in the container; putting the mixed powder into a sagger, and sintering to form a crystal structure; the sintered crystal structure is crushed and ground to the required particle size; and metal particles in the crushed particles are subjected to microwave oxidation. According to the scheme provided by the invention, after the powder is transferred into the preset container to be mixed, the powder is sintered in the sagger, then the sintered powder is ground, and finally the ground powder is subjected to microwave heating by utilizing the microwave oxidizer. After the microwave irradiates the powder, the metal particles contained in the powder can be quickly oxidized, the heating speed is high, the efficiency is high, the corresponding metal particles can be effectively removed, and the removal efficiency is high.

The utility model relates to the technical field of part degaussing, in particular to an automobile part degaussing device which comprises an operation table, a degaussing machine is fixedly installed on the surface of the operation table, and a first conveying belt and a second conveying belt are arranged on the surface of the operation table. The first conveying belt and the second conveying belt are located on the surface of the operation table and arranged in a central symmetry mode, and a linkage mechanism for driving the first conveying belt and the second conveying belt to rotate synchronously is arranged on the side wall of the operation table. Through the arrangement of the first conveying belt, the second conveying belt, the rotating plate, the push plate, the driving mechanism and the linkage mechanism, parts can be directly placed on the workbench and conveyed into the degaussing machine through the first conveying belt to be degaussed one by one in batches, the parts can be overturned through the rotating plate in the degaussing process, the degaussing time is saved, and the degaussing efficiency is improved. And after degaussing, the parts can be pushed to the second conveying belt through the push plate to be conveyed out of the degaussing machine, the working efficiency is improved, and actual use is facilitated.

The utility model provides an automatic fluid demagnetizing device which comprises two rodless air cylinders arranged in parallel, a fixing frame is fixedly connected to a sliding block of one rodless air cylinder, more than one magnetic bar is fixedly connected to the fixing frame, a scraping plate is fixedly connected to a sliding block of the other rodless air cylinder, and the scraping plate is fixedly connected to the other rodless air cylinder. Scraping gaskets with the number corresponding to that of the magnetic bars are fixedly installed on the scraping plate, and the magnetic bars penetrate through the scraping gaskets. The original position of the demagnetizing device can be arranged in fluid equipment, so that the introduction of magnetic substances in the environment can be effectively avoided; meanwhile, an automatic control function is added to the demagnetizing device, manual operation can be achieved, the demagnetizing device can also run automatically, the functions of automatic production, unmanned inspection and the like are achieved, and therefore production efficiency is improved.

The utility model relates to the technical field of bearing processing detection, in particular to a bearing demagnetizer for bearing processing detection, which comprises a detection table, a mounting frame and a box body, a demagnetizer for demagnetizing a bearing is fixed on the inner side of the mounting frame through screws, and a motor C for driving a one-way screw rod to rotate is connected in the detection table through bolts. A driving block for driving the supporting plate to move is in threaded connection with the outer side of the one-way lead screw, a driving frame for containing a bearing needing to be demagnetized is welded to one side of the supporting plate, and a limiting assembly for fixing the bearing needing to be demagnetized is arranged on the outer side of the driving frame. Through the arrangement of the clamping plate A, the clamping plate B, the motor A, the driving plate A, the driving plate B, the shaft block, the gear A, the gear B and the bidirectional lead screw, the problem that when an existing bearing demagnetizer for bearing machining detection is used, the bearing demagnetization efficiency is low is solved.

A magnetizer system for use with a medical device including ferrous elements. The magnetizer can include a magnetizer body defining a cavity, the magnetizer body having a body opening in communication with the cavity, the magnetizer body including one or more magnets configured to generate a magnetic field configured to imprint a magnetic signature on ferrous elements within the cavity. The magnetizer can include one or more mechanisms configured to detect the presence of the medical device.

The utility model discloses a sagger vibration demagnetizing device which comprises a demagnetizing assembly and a vibration assembly, and the demagnetizing assembly comprises a cover plate and a magnet fixed to the cover plate; the vibration assembly is arranged below the cover plate and comprises a supporting plate, a vibrator and a jacking mechanism, the supporting plate is used for supporting a sagger, the vibrator is fixed to the supporting plate and used for vibrating the sagger supported on the supporting plate so that materials in the sagger can be filled and leveled up, and the jacking mechanism drives the supporting plate to be close to the cover plate. Therefore, the cover plate abuts against and covers the opening of the sagger. According to the sagger vibration demagnetizing device, the sagger is driven by the jacking mechanism to move towards the cover plate, so that the cover plate can cover the opening of the sagger during vibration, dust raising is prevented, and the situation that more materials are vibrated out of the sagger is prevented.

The invention provides a horizontal magnetizer and a jacking mechanism thereof.The horizontal magnetizer comprises a machine table, a chuck base, an abutting base, a magnetizing mechanism and the jacking mechanism, the chuck base and the abutting base are installed on the machine table in a relative sliding mode, and the magnetizing mechanism is installed between the chuck base and the abutting base in a sliding mode; the jacking mechanism is installed between the chuck base and the abutting base in a lifting mode and used for supporting the rotor when the rotor is installed, and the magnetizing detection mechanism is installed on the machine table in a sliding mode and used for conducting magnetic flux detection on the magnetized rotor. According to the horizontal magnetizer provided by the invention, the rotor can be transversely placed for magnetizing during magnetizing, the placement of the rotor during magnetizing is facilitated, the field arrangement of the magnetizer is facilitated, and the magnetizing of a large-length rotor is facilitated.

The utility model belongs to the technical field of magnetizing, and discloses a multi-pole magnetic ring magnetizing device which is characterized in that a rotating plate is rotatably connected to a first supporting plate around the central axis of the rotating plate; the fixed plate is fixedly connected to the first supporting plate and stacked on the rotating plate. The multiple positioning magnetizing structures are distributed at intervals and are all slidably connected to the fixing plate. And the positioning magnetizing structure can magnetize the multi-pole magnetic ring. The rotating plate is configured to drive the multiple positioning magnetizing structures to be synchronously close to or away from each other when rotating around the central axis of the rotating plate. And when the plurality of positioning magnetizing structures are close to each other, the multi-pole magnetic ring can be clamped among the plurality of positioning magnetizing structures and is supported on the fixed plate or the rotating plate. The multi-pole magnetic ring can be accurately rotated to an optimal magnetizing state, so that a plurality of magnetic poles of the multi-pole magnetic ring are accurately in one-to-one correspondence with the distribution positions of a plurality of positioning magnetizing structures, and each magnetic pole of the multi-pole magnetic ring can be accurately magnetized. And the working performance of the multi-pole magnetic ring magnetizing device is effectively improved.

The invention relates to a method for dynamically eliminating residual magnetism of an iron core of a converter transformer, and belongs to the field of transformer demagnetization. According to the method, a capacitance energy storage and release device is connected to the two ends of a transformer winding, capacitance energy storage causes RLC oscillation of the transformer, a magnetic field is generated through current caused by the RLC oscillation, and magnetic domains of iron core ferromagnetic materials are rearranged through the changed magnetic field, so that the demagnetization effect on residual magnetism of the transformer is achieved. The method comprises the following steps: drawing a hysteresis loop in the demagnetization process of a transformer by collecting voltage and current data in the demagnetization process, translating an end point of the hysteresis loop to an original point, and judging the residual magnetism direction and size of initial demagnetization according to the area of each quadrant of the hysteresis loop; and then transformer demagnetization is carried out again, the residual magnetism direction and size of the first demagnetization are evaluated according to the hysteresis loop of the second demagnetization, and whether the residual magnetism is smaller than a threshold value is judged. According to the method, the direction and size of residual magnetism in the demagnetization process can be evaluated in real time, the demagnetization energy is dynamically adjusted, and sufficient demagnetization of the converter transformer is ensured.

The invention discloses a motor rotor intelligent magnetizer with full-automatic feeding and discharging functions. The motor rotor intelligent magnetizer comprises a workbench, a jacking device installed on the workbench, a pressing device installed on the workbench and located above the jacking device, and a transferring device installed on the workbench and arranged close to the jacking device. A feeding conveying device is further arranged on one side of the workbench, and a coil remodeling device is further arranged on the other side of the workbench. According to the invention, the full-automatic magnetizing process of the motor rotor is realized, tedious manual operation procedures in a traditional manual magnetizing mode are reduced, automation of the whole process from feeding, positioning, magnetizing to discharging is realized, the production period is greatly shortened, the production efficiency is remarkably improved, and the requirement of large-scale production can be met.

The invention relates to the technical field of magnetic shielding, and discloses a self-adaptive active adjustment type magnetic shielding device demagnetization circuit and device, and a control acquisition system, which are used for comparing a residual magnetism state with a preset expected value and generating a control instruction; the energy output identification system is used for outputting an alternating current degaussing signal according to the control instruction to perform degaussing, outputting an excitation pulse signal to perform residual magnetism detection, identifying a zero crossing point of the alternating current degaussing signal and realizing mode switching of degaussing and residual magnetism detection; and the magnetic shielding device is used for demagnetizing under the action of the alternating current demagnetizing signal and feeding back the residual magnetism state of the preset feature point under the action of the excitation pulse signal. The demagnetization is interrupted at the preset feature points in the demagnetization process, the real-time residual magnetism state is collected, and the demagnetization parameter at the next moment is adjusted after the real-time residual magnetism state is compared with the preset residual magnetism expected value, so that the problem of low efficiency due to the fact that the demagnetization parameter needs to be reset after the process is finished is solved, and the demagnetization efficiency and accuracy are greatly improved.

The invention provides a crimping structure for rotor positioning, a rotor positioning mechanism and a magnetizing station structure.The crimping structure comprises a crimping shaft, an end sleeve, a tip cone, an elastic piece and a connecting pin, a sleeve hole is formed in the bottom end of the crimping shaft, longitudinal sliding holes which are oppositely formed are formed in the cylinder wall, the end sleeve comprises a sleeving end arranged in the sleeve hole in a sleeving mode, and the tip cone is arranged in the sleeve hole; a pin penetrating hole is formed in the upper section of the sleeving end in the radial direction, a containing hole is formed in the bottom end of the end sleeve in the axial direction, a rotation limiting hole and a limiting hole are formed in the lower section of the sleeving end in the radial direction, an annular groove and a longitudinal groove are formed in the peripheral face of the tip cone, the tip cone is installed in the containing hole, and the elastic piece is compressed between the tip cone and the bottom face of the containing hole. A plug pin penetrates into the rotation limiting hole and enters the longitudinal groove, a plug pin penetrates into the limiting hole and penetrates into the annular groove, the connecting pin penetrates through the pin penetrating hole of the end sleeve, and the two ends of the connecting pin are contained in the opposite longitudinal sliding holes in an axial sliding mode. The crimping structure provided by the invention has a better buffering effect, maintains the elastic force to the rotor when the rotor slides down, and achieves the stable pressing of the rotor.

A disclosure relates to methods and apparatus for processing an elongated body for a medical instrument. In one arrangement, targeted processing is applied to each of one or more local portions of the elongated body to cause a change in a room temperature magnetic property of material in each local portion, thereby causing the one or more local portions to have different room temperature magnetic properties than other portions of the elongated body.

The invention provides a permanent magnet magnetizing control method based on magnetic domain dynamics and a magnetizer, and particularly relates to the technical field of permanent magnet magnetizing. Obtaining a three-dimensional model of the permanent magnet to be magnetized, and dividing the three-dimensional model into a plurality of magnetic domain units; obtaining a magnetic moment kinetic equation of each magnetic domain unit; magnetic moment directions of the magnetic domain units are randomly distributed when magnetizing is not carried out, the magnetic moments of the magnetic domains do spin precession under the action of an effective magnetic field, and the magnetic moment directions approach to the direction of the effective magnetic field; the magnetic moment direction of each magnetic domain unit at different moments is subjected to numerical solution, and the change track of the magnetic moment direction of the magnetic domain unit from the initial magnetic moment direction is determined according to the instantaneous magnetic moment direction of the magnetic domain unit at different moments; and determining the consistency degree of the magnetic moment direction of each magnetic domain unit according to the change track, and generating a relation graph of the magnetizing saturation, the pulse magnetic field intensity and the pulse duration. According to the method, the magnetizing precision and efficiency can be improved.

The utility model discloses a multi-station magnetizing device which comprises a machine body, a plurality of magnetizing assemblies, a transmission assembly and a control assembly, and a working space is formed on the machine body. The plurality of magnetizing assemblies are arranged in the working space. The conveying assembly comprises a conveying belt and a driving mechanism. The control assembly comprises a plurality of temperature detection elements and a controller electrically connected with the temperature detection elements, the controller is electrically connected with the transmission assembly, each magnetizing assembly is provided with one temperature detection element, and the temperature detection elements are used for detecting the current temperature of the corresponding magnetizing assembly and sending the current temperature to the controller; the controller controls the transmission assembly to work to transport the rotor to be magnetized to the front side of the magnetizing assembly with the current temperature smaller than the preset temperature. A user only needs to place the to-be-magnetized rotor on the transmission assembly on the corresponding magnetizing assembly to realize magnetizing operation, so that misjudgment caused by manual judgment can be avoided, and the intellectualization of the multi-station magnetizing device is improved.

The invention relates to the technical field of magnetic shielding, and provides a demagnetization method and device for a magnetic shielding device, electronic equipment and a readable storage medium, and the method comprises the steps: collecting a feedback circuit signal of a target magnetic shielding device through a voltage and current collection unit; analyzing the feedback circuit signal by using a signal acquisition processor, determining the current degaussing demand of the target magnetic shielding device, and calculating a degaussing pulse parameter matched with the current degaussing demand; a pulse generating unit is used for generating a target pulse with the adjustable pulse width according to the degaussing pulse parameters, the target pulse is a bipolar square wave pulse, and the adjusting interval of the pulse width comprises the millisecond level and the nanosecond level; and utilizing a pulse switching unit to act the target pulse on the target magnetic shielding device, so that the target magnetic shielding device is subjected to magnetic saturation or magnetic fading. According to the technical scheme provided by one or more embodiments of the invention, the average power demand of the degaussing power supply can be reduced, and the degaussing effect can be improved.

The magnet feeding machine feeding equipment for magnet machining comprises a detection assembly, a discharging assembly, a conveying assembly and a transmission assembly, the detection assembly comprises a shaft disc, a second bevel gear is fixedly connected to the surface of one side of the shaft disc, clamping grooves are formed in the surface of the shaft disc, and every four sets of clamping grooves form a row; four columns are distributed on the surface of the shaft disc around the circle center at equal angles; through intermittent transmission of an incomplete bevel gear and a second bevel gear, a shaft disc is controlled to intermittently rotate, four rows of clamping grooves in the surface of the shaft disc are intermittently alternated, a bevel gear transmission disc drives a moving rod to do reciprocating sliding motion, and a discharging push block on the moving rod slides below a discharging opening in a reciprocating mode to push magnets to fall into the clamping grooves. And the limiting plate is used for limiting and releasing limiting of the discharging opening under the action of the discharging push block, the magnets are prevented from being accumulated and blocked above the discharging opening in cooperation with the stirring action of a rubber sleeve and an inclined convex disc, disordered magnets can be arranged and discharged more quickly, and the feeding efficiency is improved.

The utility model discloses a magnetizing coil with staggered iron cores. The magnetizing coil comprises a cooling jacket, a first iron core lamination layer, a second iron core lamination layer, a third iron core lamination layer and a fourth iron core lamination layer, according to the magnetizing coil with the staggered iron cores, the height of the staggered iron cores and the height of the single stack can be differentially and correspondingly designed according to the structure of a specific workpiece to be magnetized, a rectangular staggered rotor can be magnetized, the problem of the staggered rotor in the production process is solved, meanwhile, the saturation of magnetizing is not lower than 97%, the magnetizing efficiency is effectively improved, and the like. Compared with the prior art, the magnetizing clamp with different dislocation angles and different pole numbers can be designed, various different requirements can be met, the current of a wire is as small as possible under the condition that the magnetizing requirement is met, and therefore the service life of the magnetizing clamp with the iron cores arranged in the staggered mode is prolonged, one-time magnetizing is achieved, the magnetizing efficiency is improved, and finally the magnetic performance requirement of a whole rotor is met.

The utility model provides an automatic degaussing tool device. The tool device comprises a tool body, a degaussing unit, a control unit and a driving unit. The tool body comprises a tool base and a vertical guide rail perpendicularly fixed to the tool base. The degaussing unit comprises a main coil and an auxiliary coil matched with the main coil, the auxiliary coil moves or rotates along the vertical guide rail, and the auxiliary coil is connected with a degaussing coil of a workpiece to be degaussed; the control unit is connected with the driving unit and is used for outputting a control signal to the driving unit according to an optimal degaussing current change curve of a workpiece to be degaussed, and the driving unit is used for driving a secondary coil on the tool main body to move according to the control signal. And the demagnetization controllability, stability and consistency are relatively high.