阅读说明：本技术 一种自动清除断丝的卫生钢丝球用具 (Sanitary steel wire ball tool capable of automatically clearing broken wires ) 是由 梁法库 梁帅 于 2019-10-12 设计创作，主要内容包括：一种自动清除断丝的卫生钢丝球用具,是针对聚集较多人群的大中学校食堂的餐具和食物中时有出现钢丝球的断丝,产生危险与心理恐慌问题,由钢丝球、环形磁体a、环形磁体b、静电吸附杆、静电吸附导体薄膜、静电高压直流电源、塑料盒和绝缘盖构成的,采用钢丝球外套环型磁体、环型磁体且为同侧表面异性磁极以及静电吸附杆和静电吸附导体薄膜作为吸附器件,既可以吸附脱落的断钢丝,又可以吸附非铁磁质材料的碎削,静电力与磁力同时吸引脱落的断钢丝,不但可以吸附住移动方向钢丝球脱落的断钢丝,又可以吸附移动反方向钢丝球脱落的断钢丝及被擦物体表面上脱落的非铁磁质材料碎削,而且吸上之后不易脱落,不但确保卫生安全,又减少水资源的浪费。(A sanitary steel wire ball tool capable of automatically clearing broken wires is provided, which aims at solving the problems of danger and psychological panic caused by broken wires of steel wire balls in tableware and food of canteens of major schools gathering more crowds, and comprises the steel wire balls, a ring-shaped magnet a, a ring-shaped magnet b, an electrostatic adsorption rod, an electrostatic adsorption conductor film, an electrostatic high-voltage direct-current power supply, a plastic box and an insulating cover, wherein the ring-shaped magnet and the ring-shaped magnet are sleeved outside the steel wire balls, the ring-shaped magnet is a magnetic pole with opposite surface polarities on the same side, the electrostatic adsorption rod and the electrostatic adsorption conductor film are used as adsorption devices, so that the broken wires falling off can be adsorbed, the broken wires falling off can be adsorbed by the electrostatic force and the magnetic force, the broken wires falling off from the steel wire balls in the moving direction can be adsorbed, and the broken wires falling off from the steel wire balls in the opposite direction and the broken non-ferromagnetic materials falling off on the surface of, and the water is not easy to fall off after being sucked, thereby not only ensuring the sanitation and safety, but also reducing the waste of water resources.)

1. The utility model provides an automatic clear away sanitary steel wire ball apparatus of disconnected silk, by steel wire ball (1), annular magnet a (2-1), annular magnet b (2-2), electrostatic absorption pole (2-3), electrostatic absorption conductor film (2-4), static high voltage direct current power (4), plastic case (3) and insulating cover (5) constitute, characterized by: the outer diameter of the annular magnet a (2-1) is smaller than the inner diameter of the annular magnet b (2-2), the annular magnet a (2-1) and the annular magnet b (2-2) are equal in height, the surfaces of opposite magnetic poles are placed and fixed on the same side, and the inner ring radius of the annular magnet a (2-1) is designed according to the size of the steel wire ball (1) after extrusion; the electrostatic adsorption rod (2-3) is formed by fixing a row of metal rods with metal balls at two ends, which are connected with each other through leads, on the outer surface of the annular magnet b (2-2) at equal intervals and parallel to a bus; the electrostatic adsorption rod (2-3) is connected with the electrostatic adsorption conductor film (2-4), and the electrostatic adsorption conductor film (2-4) is fixed on the surfaces of the magnetic poles of the annular magnet a (2-1) and the annular magnet b (2-2) to be used as an electrostatic adsorption plate; the ring-shaped magnet a (2-1), the ring-shaped magnet b (2-2), the electrostatic adsorption rod (2-3) and the electrostatic adsorption conductor film (2-4) are placed in an insulating plastic box (3) which is matched with the ring-shaped magnet a in shape and size and processed by a thermoplastic molding method for fixation, and the plastic box cover (3-1) and the plastic box (3) are fixed together by screws for sealing; a lead wire with an insulating sheath, which is connected with an electrostatic adsorption rod (2-3), penetrates through a plastic box cover (3-1) and is connected with an electrode column of an electrostatic high-voltage direct-current power supply (4), the electrostatic high-voltage direct-current power supply (4) is fixed on the upper surface of the plastic box cover (3-1) of the plastic box (3), the plastic box cover (3-1) and an insulating cover (5) are respectively provided with matched external threads and internal threads, the plastic box cover (3-1) and the insulating cover (5) are fixed through threads, the top of the insulating cover (5) is provided with a handheld cap (5-1) suitable for being held by a hand, a central through hole is arranged at the axisymmetric position of the insulating cover (5), a power supply switch is fixed on the upper surface of the electrostatic high-voltage direct-current power supply (4) at the axisymmetric position corresponding to the insulating cover (5), the switch is a press-type switch, and a button K on, the outer diameter of the button K is matched with the inner diameter of a central through hole at the axial symmetry position of the insulating cover (5); the wall thickness of the plastic box (3) is controlled to be between 2mm and 3mm, the voltage output by the electrostatic high-voltage direct-current power supply (4) is controlled within the range that the electric field of the electrostatic adsorption rod (2-3) cannot break through the wall of the plastic box (3), a raised ring is arranged on the inner side surface of the plastic box (3), the cross section of the raised ring is triangular, and the steel wire ball (1) is partially extruded into the ring center plastic box (3) of the annular magnet a (2-1) to be fixed.

Technical Field

This patent relates to a steel wire ball utensil for health, belongs to the sanitary wares field.

Background

In the market for many years, the broken steel wire ball for wiping the sanitation often appears in the using process to pollute the environment and threaten the physical and mental health of people, and particularly, the broken steel wire ball appears in the tableware and food of canteens of schools of great schools with more crowds, and the investigation shows that: due to the large amount of engineering, most methods for removing broken wires on tableware are to fill the wiped tableware with tap water, more water resources are wasted, and particularly once the food is stained with or mixed with broken steel wires of steel wire balls, the broken wires are frightened and dangerous due to the sharpness of the broken wires. Nevertheless, because of its strong decontamination ability, it is still widely used in catering industry, although some improvements are made in chinese patent CN2654033Y "a steel wire ball cleaning appliance" and later patents CN105496339B, 2016101033694 "a steel wire ball brush convenient for clearing broken wires", there are still many disadvantages and problems to be solved urgently: 1) the magnet (magnetic field) attracts the broken steel wire to be partially adsorbed on the steel wire ball instead of directly adsorbed on the magnet, and the broken steel wire still falls off when encountering the obstacles of bulges, meshes and the like in the erasing process; 2) for broken steel wires falling off from the surface of the ferromagnetic medium object, the adsorption capacity of the magnet is greatly reduced; 3) only the steel wire falling off from the steel wire ball in the erasing direction can be adsorbed in the erasing direction, but the steel wire falling off from the steel wire ball in the opposite direction cannot be adsorbed; 4) the steel wire ball is used for erasing, and because the steel wire is relatively sharp, if the erased surface is made of non-ferromagnetic materials such as aluminum and the like, aluminum cutting and the like easily occur, and the magnetic fields of the magnets cannot be adsorbed; 5) the steel wire scraps attracted on the magnetic pole surface form a chain type vertical magnet surface, and can not be attracted completely (the rear section far away from the magnet can be fallen off). The patent aims to solve the problem of how to realize the sanitary steel wire ball tool with good effects of absorbing broken steel wires, aluminum skiving and the like. The method is completed under the support of national natural fund projects (project numbers are 11805107 and 11405092), basic business cost scientific research projects (project number is 135209251) of high schools such as province of Heilongjiang province, and teaching, modification and application projects (project number is SJGY20170385) of high schools such as Heilongjiang province (the inventor is that the inventor is shogaku at the university of Harbin industry).

Disclosure of Invention

The patent is to solve the sanitary steel wire ball appliance, and is particularly to solve the technology of steel wire ball steel wire falling and collection.

This patent technical scheme: the utility model provides an automatic clear away sanitary steel wire ball apparatus of disconnected silk, by steel wire ball, annular magnet a, annular magnet b, electrostatic absorption pole, electrostatic absorption conductor film, static high voltage direct current power, plastic case and insulating lid constitute, characterized by: the outer diameter of the annular magnet a is smaller than the inner diameter of the annular magnet b (the outer diameter of the annular magnet a is matched with the inner diameter of the annular magnet b), the annular magnet a and the annular magnet b are as high as each other (strong magnets made of neodymium-iron-boron materials) and are placed and fixed on the same side, and the radius of the inner ring of the annular magnet a is designed according to the size of a steel wire ball after extrusion; the electrostatic adsorption rod is formed by fixing a row of metal rods with metal balls at two ends, which are connected with each other by a lead, on the outer surface of the annular magnet b at equal intervals and parallel to a bus (or fixing a row of metal rods with metal balls at two ends on the outer surface of the annular magnet b at equal intervals and parallel to the bus by a conductor ring sleeved on the surface of the annular magnet b, and then connecting the conductor ring with an insulated wrapping lead through a plastic box cover and an electrostatic high-voltage direct-current power supply electrode column), the electrostatic adsorption rod is connected with an electrostatic adsorption conductor film, and the electrostatic adsorption conductor film (aluminum film) is fixed (adhered) on the magnetic pole surfaces of the annular magnet a and the annular magnet b to be used as an electrostatic adsorption plate; the annular magnet a, the annular magnet b, the electrostatic adsorption rod and the electrostatic adsorption conductor film are placed in an insulating plastic box which is matched with the annular magnet a in shape and size and is processed by a thermoplastic molding method to be fixed, a plastic box cover and a plastic box body are fixed together and sealed by screws, a lead with an insulating sheath connected with the electrostatic adsorption rod penetrates through the plastic box cover (a hole is punched on the plastic box cover and is sealed by hot melt adhesive to prevent water from entering) and is connected with an electrostatic high-voltage direct-current power supply electrode column, the electrostatic high-voltage direct-current power supply is fixed on the upper surface of the plastic box cover of the plastic box (or a circuit component (a circuit board) of the electrostatic power supply is directly arranged and fixed on the upper surface of the plastic box cover to reduce the volume of the electrostatic power supply), the plastic box cover and the insulating cover are respectively provided with matched external threads and internal threads, the top of the insulating cover is provided with a handheld cap suitable for being held by a hand, a central through hole is formed in the axial symmetry position of the insulating cover, a power supply (battery) power supply switch is fixed on the upper surface of the electrostatic high-voltage direct-current power supply at the position corresponding to the axial symmetry position of the insulating cover, the switch is a pressing switch, a button K on the switch is a central through hole, a lengthened button rod (cap) penetrates through the axial symmetry position of the insulating cover, the outer diameter of the button K (the lengthened button rod) is matched with the inner diameter of the central through hole in the axial symmetry position of the insulating cover, and the outer diameter of the button K is slightly smaller than the inner diameter of the central through hole of the insulating cover (a power supply (battery) power supply switch K is fixed on the electrostatic high-voltage direct-current; the wall thickness of the plastic box is controlled to be between 2mm and 3mm, and the voltage output by the electrostatic high-voltage direct-current power supply is controlled in a range that the electric field of the electrostatic adsorption rod and the electrostatic adsorption conductor film cannot break the wall of the plastic box (meanwhile, the electrostatic field can attract broken steel wires or broken aluminum scraps); the inner side surface of the plastic box is provided with a raised ring, the section of the raised ring is triangular (playing a role of fixing the steel wire ball and preventing the whole steel wire ball from sliding out), and the steel wire ball is partially extruded into the ring center plastic box of the annular magnet a to be fixed.

When the device is used, a power supply (direct current battery) power supply switch K is firstly switched on (pressed), a user holds a handheld cap to move a steel wire ball to forcibly contact the surface of an object to be wiped, the surface of a plastic box is controlled to be close to the surface of the object to be wiped (at 0.5cm-3cm), when the broken steel wire falls off, the broken steel wire can be attracted by the magnetic field of the annular magnet a and the annular magnet b and the electric field at the electrostatic adsorption conductor film and is adsorbed and spread on the surfaces of the plastic box at the magnetic poles and the electrostatic adsorption conductor film, meanwhile, the broken steel wire falling off can be adsorbed by static electricity, non-ferromagnetic materials (broken steel wires, broken aluminum wires and the like) scratched by the steel wire ball can be adsorbed, and the adsorbed broken steel wires and broken aluminum wires are uniformly treated after being collected.

The inventor of the present invention has made observations, research and tests for 30 years, and has studied the "steel wire ball cleaning tool" (using steel wire ball to embed magnet) in chinese patent CN2654033Y, and the "steel wire ball brush convenient for removing broken wire" in later patents CN105496339B, 2016101033694, and found that all belong to the embedded situation, although there are some improvements, there are still many problems to be solved urgently, there are main problems: 1) because the magnet is internally arranged, according to the distribution rule of the magnetic field, the magnet (magnetic field) attracts the broken steel wire to be partially adsorbed on the steel wire ball instead of directly adsorbed on the magnet, and the broken steel wire still can be separated from the steel wire ball when being hindered by bulges, meshes and the like in the erasing process; 2) because the built-in magnet can only adsorb a part of steel wires falling off in the erasing direction in the erasing process, the built-in magnet cannot adsorb and erase the steel wires falling off in the opposite direction (the magnet moves away from the falling steel wires, the magnetic force is reduced and the steel wires cannot be adsorbed); 3) the steel wire ball is used for erasing, and because the steel wire is relatively sharp, if the erased surface is made of non-ferromagnetic materials such as aluminum and the like, aluminum cutting and the like easily occur, and the magnetic fields of the magnets cannot be adsorbed; 4) because single magnetic pole adsorption is used, the attracted steel wires on the magnetic pole surface are broken to form a chain type vertical magnet surface, and cannot be attracted completely (the rear section far away from the magnetic pole can fall off).

The inventor finds that the magnetic induction intensity generated by two magnets with same magnetic poles in parallel (the surfaces are parallel to the same plane) near the magnetic pole surface is smaller than the magnetic induction intensity generated by two magnets with different magnetic poles in parallel under the condition of the same magnetic pole area and the same magnetic pole area through theoretical analysis and actual tests, namely, the magnetic induction intensity is larger when the magnets with different magnetic poles on the same side are in parallel and are adsorbed with the magnetic force line in the direction, instead of forming chain type droop, the magnetic induction intensity is directly adsorbed on the surface by the magnetic poles and is parallel to the magnetic pole surface; the magnetic ring is externally arranged and sleeved on the steel wire ball, so that the steel wire falling from any direction of the steel wire ball can be attracted.

In the experiment, the maximum distance of the broken steel wire falling from the surface of the object made of ferromagnetic materials and non-ferromagnetic materials attracted by the magnet is compared, and the maximum distance of the magnet which can be attracted by the same broken wire and the same magnetic pole is obtained: for broken steel wires on ferromagnetic materials (such as iron plates), the maximum distance a attracted by a magnet is smaller than the maximum distance b attracted by broken steel wires on non-ferromagnetic materials (such as aluminum plates), and a is smaller than b; it was found in experiments that the broken steel wires that come off were more than 1 times greater in the paper medium than the maximum distance that the magnet attracted to the iron plate.

Comparing the maximum distance of the broken steel wires falling off from the surface of the conductor and the surface of the nonconductor, which are attracted by the electrode, namely obtaining the maximum distance of the broken steel wires which can be attracted by the same broken wire, the same electrode and the electrostatic electrode: for broken steel wires on the surface of a conductor, the maximum distance c that an electrode can suck is larger than the maximum distance d for broken steel wires on the surface of a nonconductor, wherein c is larger than d; this can be interpreted as: the electrostatic induction strengthens the electric field between the electrode and the surface of the conductor, or the electrostatic induction makes the electric charge on the surface of the conductor have the same electric charge as that of the broken steel wire, the conductor plate repels the broken steel wire, and meanwhile, the broken steel wire is also acted by the electric field force of the electrode with the same direction force as that of the conductor plate, but the non-conductor (insulator) plate has no characteristic, and the broken steel wire is only acted by the electric field force of the electrode.

The patent has the advantages that: different from the prior patent, the steel wire ball is sleeved with the annular magnet, the two annular magnets are used as adsorption devices, the two annular magnets are opposite magnetic poles (the surfaces are flush) on the same side surface, the electrostatic adsorption rod and the electrostatic adsorption conductor film are used as adsorption devices, and the broken steel wires which fall off can be adsorbed, and the broken and shredded non-ferromagnetic materials can be adsorbed; the adsorbed material is flatly paved on the surface of the opposite magnetic pole on the same side and the surface of the plastic box corresponding to the electrostatic adsorption conductor film or adsorbed on the side electrostatic adsorption rod of the magnetic pole; the two annular magnets are adopted, the opposite magnetic poles on the same side surface of the two annular magnets are flush, the electromagnetic induction strength is improved, and the attraction to the falling steel wires is enhanced; the attraction range can not only adsorb broken steel wires falling off from the steel wire ball in the moving direction, but also adsorb broken steel wires falling off from the steel wire ball in the moving direction and the non-ferromagnetic material falling off from the surface of the object to be wiped to be chipped, and the broken steel wires are not easy to fall off after being attracted; the electrostatic force and the magnetic force simultaneously attract the broken steel wires which fall off, particularly the attraction of the magnetic poles to the broken steel wires which fall off is weakened on the surface of the ferromagnetic material due to the magnetization effect, and the electrostatic force is used for strengthening the attraction of the broken steel wires which fall off on the surface of the conductor to be wiped.

Drawings

Fig. 1 is a schematic structural diagram of the patent. Wherein: 1. 2-1 parts of steel wire balls, 2-2 parts of annular magnets a, 2-2 parts of annular magnets b, 2-3 parts of electrostatic adsorption rod sets, 2-4 parts of electrostatic adsorption conductor films, 3 parts of plastic boxes, 3-1 parts of plastic box covers, 4 parts of electrostatic high-voltage direct-current power supplies, 5 parts of insulating covers, 5-1 parts of handheld caps.

Detailed Description

As shown in the attached figure 1: a sanitary steel wire ball tool capable of automatically clearing broken wires is composed of a steel wire ball 1, an annular magnet a, an annular magnet b, an electrostatic adsorption rod 2-3, an electrostatic adsorption conductor film 2-4, an electrostatic high-voltage direct-current power supply 4, a plastic box 3 and an insulating cover 5, and is characterized in that: the outer diameter of the annular magnet a is smaller than the inner diameter of the annular magnet b, the annular magnet a and the annular magnet b are equal in height, the surfaces of opposite magnetic poles are placed and fixed on the same side, and the radius of the inner ring of the annular magnet a is designed according to the size of the steel wire ball 1 after extrusion; the electrostatic adsorption rods 2-3 are formed by fixing a row of metal rods with metal balls at two ends at equal intervals on the outer surface of the annular magnet b and are parallel to the bus in a manner that the metal rods are connected with each other by a lead wire (or fixing a row of metal rods with metal balls at two ends at equal intervals on the outer surface of the annular magnet b and are parallel to the bus by a conductor ring sleeved on the surface of the annular magnet b, and then connecting the conductor ring with an insulating sheath lead wire through a plastic box cover 3-1 and an electrostatic high-voltage direct-current power supply 4 electrode column); the electrostatic adsorption rod 2-3 is connected with the electrostatic adsorption conductor film 2-4, and the electrostatic adsorption conductor film (aluminum film) 2-4 is fixed (stuck) on the surfaces of the magnetic poles of the annular magnet a and the annular magnet b to be used as an electrostatic adsorption plate; the annular magnet a, the annular magnet b, the electrostatic adsorption rod 2-3 and the electrostatic adsorption conductor film 2-4 are placed in an insulating plastic box 3 which is matched with the annular magnet a in shape and size and processed by a thermoplastic molding method to be fixed, a plastic box cover 3-1 and a plastic box body 3 are fixed together and sealed by screws, an insulated wrapping lead connected with the electrostatic adsorption rod 2-3 penetrates through the plastic box cover 3-1 (a hole-punched lead of the plastic box cover penetrates through the plastic box cover and then the hole is sealed by hot melt adhesive to prevent water from entering) to be connected with an electrode column of an electrostatic high-voltage direct current power supply 4, the electrostatic high-voltage direct current power supply 4 is fixed on the upper surface of the plastic box cover 3-1 of the plastic box 3 (or a circuit component (a circuit board) of the electrostatic power supply is directly arranged and fixed on the upper surface of the plastic box cover 3-1 to reduce the volume of the electrostatic power supply), the plastic, the plastic box cover 3-1 and the insulating cover 5 are fixed (can be detached) through screw threads, the top of the insulating cover 5 is provided with a handheld cap 5-1 suitable for holding by hand, a central through hole is arranged at the axial symmetry position of the insulating cover 5, a power supply (battery) power supply switch is fixed on the upper surface of the electrostatic high-voltage direct-current power supply 4 at the axial symmetry position corresponding to the insulating cover 5, the switch is a push type switch, a button K on the switch is a lengthened button rod (cap) which penetrates through a central through hole at the axial symmetric position of an insulating cover 5, the outer diameter of the button K (the lengthened button rod) is matched with the inner diameter of the central through hole at the axial symmetric position of the insulating cover 5 (the outer diameter of the button K is slightly smaller than the inner diameter of the central through hole of the insulating cover 5) [ a power supply (battery) power supply switch K is fixed on an electrostatic high-voltage direct-current power supply 4 corresponding to the axial symmetric position of the insulating cover 5 ], and therefore the electric switch K is not influenced when the insulating cover 5 is disassembled; the wall thickness of the plastic box 3 is controlled to be between 2mm and 3mm, and the voltage output by the electrostatic high-voltage direct-current power supply 4 is controlled to be within the range that the electric field of the electrostatic adsorption rod 2-3 cannot break the wall of the plastic box 3 (meanwhile, the electrostatic field can attract broken steel wires or broken aluminum chips); the inner side surface of the plastic box 3 is provided with a raised ring, the section of the ring is triangular (playing a role of fixing the steel wire ball and preventing the whole body from sliding out), and the steel wire ball 1 is partially extruded into the ring center plastic box 3 of the annular magnet a to be fixed (the steel wire ball is extruded by the raised ring on the inner side surface of the plastic box 3).

When in use, firstly, a power supply (such as a DC 12V battery) power supply switch K is switched on (pressed), the handheld cap 5-1 is held by hand to move the steel wire ball 1 to forcibly contact the surface of an object to be wiped, the surface of the plastic box 3 is controlled to be close to the surface (0.5 cm-3cm) of the object to be wiped, when the broken steel wire falls off, the broken steel wire is attracted by the magnetic field of the annular magnet a and the annular magnet b and the electric field at the electrostatic adsorption conductor film 2-4 and is adsorbed and spread on the surface of the plastic box 3 at the magnetic pole (at the electrostatic adsorption conductor film), meanwhile, the steel wire ball can be adsorbed on the surface of the plastic box 3 at the position of the electrostatic adsorption rod by the electrostatic adsorption rod 2-3, static electricity can adsorb broken steel wires which fall off, and non-ferromagnetic materials (broken aluminum wires, wood shavings and the like) which are scratched by the steel wire ball 1, and the adsorbed broken steel wires, broken aluminum wires and the like are collected and processed uniformly.

Other descriptions: the electrostatic high-voltage direct-current power supply 4 is powered by a direct-current battery (such as 12V), adopts a step-by-step boosting method or other methods, has the function of automatically cutting off the power supply by electric leakage, is mature in technology, does not belong to the creative content of the patent, and is not introduced in the patent. The ring magnet a and the ring magnet b (a strong magnet made of neodymium iron boron materials, the magnetic induction intensity at the position of 1mm on the surface is more than or equal to 0.1 Tesla), or can be fixed by the existing small disk magnetic sheet (the diameter can be selected from 0.5cm-3cm) on the market, preferably a strong magnet made of neodymium iron boron materials, and the magnetic induction intensity at the position of 1mm on the surface is more than or equal to 0.1 Tesla; the surface of the plastic box 3 at the position of the ring magnet a and the ring magnet b is not contacted with the surface of the ferromagnetic material (the magnetization is avoided to be too large) to the greatest extent, the distance between the surface of the ferromagnetic material and the surface of the annular magnet a is more than 1cm, and the steel wire falling off of the steel wire ball 1 on the surface of the ferromagnetic material adsorbed by the magnet is influenced due to the magnetization of the ferromagnetic material.

Attention needs to be paid to the influence of electrode chamfering, the electric field intensity at the edge of an electrode is far higher than that in the electrode, but the edge effect is extremely difficult to eliminate, in order to avoid the edge of the electrode forming a right angle, a certain chamfer r needs to be adopted, and the r specified in the national standard is 2.50 mm; the edge of the electrostatic absorption conductor film 2-4 can be rolled into a column shape, or the electrostatic absorption conductor film 2-4 is replaced by a conductor plate to ensure that the edge has a certain chamfer angle, and the chamfer angle r is 2.50 mm.

This patent may also be modified to: the steel wire ball 1 is removed to become a tool special for collecting broken steel wires and non-ferromagnetic material scraps, namely, the steel wire ball can be scraped and then the broken steel wires and the non-ferromagnetic material scraps can be collected by the device (without the steel wire ball 1) in time; or the insulating handle with a certain length can be fixed on the handheld cap 5-1 on the insulating cover 5, and an operator can wipe and clean the steel wires falling off from the steel wire balls by holding the insulating handle.

The specification is only illustrative and explanatory of the spirit and nature of this patent, and any modifications and alterations to this patent are intended to fall within the scope of this patent.