CN212418309U - Different magnetic force grade product sieving mechanism - Google Patents

Different magnetic force grade product sieving mechanism Download PDF

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Publication number
CN212418309U
CN212418309U CN202020635331.3U CN202020635331U CN212418309U CN 212418309 U CN212418309 U CN 212418309U CN 202020635331 U CN202020635331 U CN 202020635331U CN 212418309 U CN212418309 U CN 212418309U
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China
Prior art keywords
plate
collecting box
material sucking
support
conveyor belt
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CN202020635331.3U
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Chinese (zh)
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程俊峰
程俊岗
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Ningbo Zhaobao Magnet Co ltd
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Ningbo Zhaobao Magnet Co ltd
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Abstract

The utility model relates to the technical field of magnetic screening, and discloses a screening device for products with different magnetic force grades, which comprises a support, a conveyor belt and a plurality of material sucking structures, wherein the suction force distributed at intervals from the inlet of the conveyor belt to the outlet direction is gradually increased, each material sucking structure comprises a first material collecting box, a material sucking part and a first driving mechanism for driving the material sucking part to move between the conveyor belt and the first material collecting box, the material sucking part comprises a moving frame and a first material sucking plate, a first material scraping plate which can be completely retracted into the support or partially extended out of the support and is attached to the lower end surface of the first material sucking plate is arranged at a groove on the support, the first material sucking plate is positioned at the upper end of the first material collecting box, the first material scraping plate extends out, and the first material sucking plate scrapes down magnetic products at the lower end of the first material sucking plate and collects the magnetic products in the first product collecting box in the process that the, this sieving mechanism can scrape the collection automatically with the magnetic product, improves screening efficiency when reducing intensity of labour.

Description

Different magnetic force grade product sieving mechanism
Technical Field
The utility model relates to a magnetic force screening technical field especially relates to a different magnetic force grade product sieving mechanism.
Background
Magnetic products, such as magnet steel, according to the difference of the volume of magnetizing of magnet steel, the magnetic force of magnet steel is different, and after the production, need screen the differentiation to the magnet steel of different magnetic forces according to the magnetic force grade, just can pack. When the magnetic steels are consistent in size but different in magnetizing quantity, the strength of magnetism cannot be identified by naked eyes, so that the magnetic steels with different magnetic forces need to be screened out by arranging a device.
Chinese patent No. CN106311467B discloses a multi-stage magnetic separator, which comprises a support, and a conveyor belt, a motor and a collection box which are arranged on the support, wherein the conveyor belt transversely penetrates through the support, is connected with the motor, and is used for conveying magnetic powder from an inlet end to an outlet end of the conveyor belt; the collecting box is fixedly arranged on the support leg of the support and positioned below the outlet end of the conveyor belt and is used for containing magnetic powder on the conveyor belt; the multistage magnetic separator further comprises a distributor, a plurality of groups of material suction devices and height regulators, wherein the material suction devices and the height regulators are arranged in a one-to-one correspondence mode, and the distributor is arranged above the inlet end of the conveying belt and used for sorting magnetic powder stacked on the conveying belt; the height adjusters are sequentially arranged on the cross beam of the support and positioned above the conveyor belt and are used for adjusting the height of the material suction device relative to the conveyor belt; the material suction device is fixedly arranged on one side, close to the conveying belt, of the height adjuster, and the distance between the material suction device and the conveying belt is gradually reduced from the direction far away from the material distributor, and is used for carrying out magnetic separation on magnetic powder on the conveying belt.
When adopting foretell multistage magnet separator, can realize different magnetic grade, however, the magnet is collected in collecting the box, adsorbs after a certain amount when the magnet, can lead to the reduction of adsorption efficiency, need to change and collect the box, and above-mentioned setting leads to collecting the box and does not collect full just need frequent change, all need the conveying of pause conveyer belt when changing at every turn, has that intensity of labour is big, screening efficiency low grade shortcoming.
SUMMERY OF THE UTILITY MODEL
The utility model discloses magnetic force screening device needs frequent manual work to collect the magnetic product among the prior art to lead to the shortcoming that intensity of labour is big, provide a different magnetic force grade product sieving mechanism, can scrape the magnetic product automatically and collect, improve the screening efficiency when reducing intensity of labour.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a screening device for products with different magnetic force grades comprises a support, a conveyor belt arranged on the support and a plurality of material sucking structures, wherein the material sucking structures are distributed at intervals from an inlet to an outlet of the conveyor belt and gradually increase in suction force, the movement of the conveyor belt is controlled by a motor, each material sucking structure comprises a first material collecting box with an upward opening, a material sucking part and a first driving mechanism, the material sucking part is arranged on one side of the conveyor belt and is arranged in a guiding and sliding mode with the upper end of the first material collecting box, the first driving mechanism drives the material sucking part to move between the conveyor belt and the first material collecting box, the material sucking part comprises a moving frame and a first material sucking plate fixed on the moving frame, the first material sucking plate is made of an electromagnet, one end, close to the conveyor belt, of the first material collecting box is provided with a groove, a first material scraping plate is arranged on the support in the groove in a lifting mode, the first material scraping, the first scraping plate is controlled by a second driving mechanism in a telescopic mode, when the first suction plate moves to the position above the conveyor belt, materials on the conveyor belt are adsorbed, and at the moment, the first scraping plate is in a contraction state; when the first suction plate moves to the upper end of the first material collecting box, the first scraping plate extends out, and in the process that the first suction plate moves to the conveying belt, the first scraping plate scrapes magnetic products at the lower end of the first suction plate.
Adopt above-mentioned scheme, realize through the motion of movable rack on conveyer belt or first material collecting box that first suction plate inhales the material and remove adsorbed product to first material collecting box top, the reverse motion that stretches out through first scraping the flitch and combine to remove the frame realizes scraping the adsorbed product in first suction plate below on removing the frame and collects in first material collecting box, thereby realize automatic material and the automatic discharge of inhaling, thereby guarantee that first suction plate can keep good suction state all the time, at the in-process of first suction plate unloading, in the product automatic collection first material collecting box, this sieving mechanism can keep good suction state and unload the product automatically, thereby show reduction operating personnel's intensity of labour.
Preferably, the material sucking part further comprises a second material collecting box arranged on one side of the conveyor belt, which is far away from the first material collecting box, a second material sucking plate fixed on the moving frame and a second material scraping plate arranged on the moving frame and used for scraping magnetic products on the second material sucking plate, the moving frame is in guide sliding fit with the first material collecting box and the second material collecting box at the same time, the suction forces of the first material sucking plate and the second material sucking plate on the same moving frame are consistent, and when the first material sucking plate is positioned in the first material collecting box, the second material sucking plate is positioned above the conveyor belt; when the second material sucking plate is positioned in the second material collecting box, the first material sucking plate is positioned above the conveying belt.
By adopting the scheme, the first material suction plate and the second material suction plate are always in the material suction state with the electrification, so that the continuous magnetic screening operation can be always performed in the material scraping process of the first material suction plate or the second material suction plate, and the screening efficiency is improved.
Preferably, the first driving mechanism comprises an air cylinder fixedly arranged on one side of the support, and a mounting block fixed with the end part of the piston rod of the air cylinder is arranged in the center of one side of the support.
By adopting the scheme, the first material suction plate can move between the first material collection box and the conveyor belt and the second material suction plate can move between the second material collection box and the conveyor belt through the expansion of the piston rod of the air cylinder, and continuous material suction and material discharge can be realized through a simple structure, so that the product screening efficiency is improved.
Preferably, the second driving mechanism comprises a groove which is sunken on the upper end surface of the support, a first electromagnet which is fixed at the bottom of the groove, and a return spring which is fixed between the first scraper plate and the first electromagnet.
By adopting the scheme, when the first electromagnet is electrified, the first scraping plate is adsorbed by the first electromagnet and retracts into the groove of the support, and when the first electromagnet is electrified and loses electricity, the first scraping plate partially extends out of the support and is attached to the lower end face of the first sucking plate under the action of the reset spring.
Preferably, the first material collecting box and the second material collecting box are arranged at the back of the body, an opening is formed in one end of the first material collecting box and the second material collecting box, a collecting hopper is arranged in the opening in a pulling mode, the upper end face of the collecting hopper is flush with the bottom of the groove, and the bottom of the collecting hopper is inclined downwards from one end close to the conveyor belt to the end far away from the conveyor belt.
By adopting the scheme, products are screened out and finally enter the collecting hoppers, the products with the same magnetic force grade are collected in the two collecting hoppers vertical to the conveying belt, and an operator only needs to replace the collecting hoppers in time after the collecting hoppers are full.
Preferably, an upward-opening tailing collecting box is arranged at the lower end of the outlet of the conveyor belt.
By adopting the scheme, the unqualified products which are not magnetized or have the magnetic force lower than the qualified value and are failed to be magnetized directly enter the tailing collecting box to be collected.
The utility model discloses owing to adopted above technical scheme, have following technological effect: the first material sucking plate sucks materials and moves adsorbed products to the upper part of the first material collecting box through the movement of the moving frame on the conveying belt or the first material collecting box, and the products adsorbed below the first material sucking plate on the moving frame are scraped and collected in the first material collecting box through the extension of the first material scraping plate and the combination of the reverse movement of the moving frame; the second material collecting box, the second scraping plate and the second suction plate which are combined can realize continuous automatic suction and automatic discharge operations at the same suction level, so that all the first suction parts can realize automatic operations while keeping good suction, and screened products can be automatically collected.
Drawings
FIG. 1 is a top view of a screening device for products with different magnetic force levels according to the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
fig. 4 is an enlarged view of B in fig. 3.
The names of the parts indicated by the numerical references in the above figures are as follows: 1. a support; 2. a conveyor belt; 3. a motor; 4. a tailing collecting box; 5. a first material collection box; 6. a second material collecting box; 7. a collection hopper; 71. a pull ring; 8. a movable frame; 9. a first suction plate; 10. a second suction plate; 11. a mounting seat; 12. a cylinder; 13. mounting blocks; 14. a guide rail; 16. a groove; 17. a first scraper plate; 18. a return spring; 19. a first electromagnet; 20. a second scraper plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The utility model provides a different magnetic force grades product sieving mechanism, refer to fig. 1-4 and show, including support 1, set up conveyer belt 2 on support 1 and from the entry of conveyer belt 2 to a plurality of material structures of inhaling that the export direction interval distribution's suction is the gradual increase trend, be provided with the ascending tails collecting box 4 of an opening at the export lower extreme of conveyer belt 2, when placing the magnetism product that has different magnetic forces on conveyer belt 2, the product that magnetism is strong adsorbs earlier, adsorb behind the product that magnetism is weak, the unqualified product that does not have magnetism or magnetism is weak enters into tails collecting box 4, thereby realize the screening of the different magnetic force grades of magnetism product.
The conveying of conveyer belt 2 is controlled by a motor 3, is provided with a driving shaft and driven shaft at the both ends of support 1, and the tensioning of conveyer belt 2 sets up on driving shaft and driven shaft, and motor 3 installs the one end at the driving shaft, and 3 axles of motor and the fixed setting of initiative shaft key cooperation.
Inhale the material structure and include that it is ascending first material collecting box 5, the material portion of inhaling that slides the setting with the upper end direction of first material collecting box 5 in the ascending first material collecting box 5 of opening that sets up of 2 one sides settings of conveyer belt and order about to inhale the first actuating mechanism of material portion motion between conveyer belt 2 and first material collecting box 5.
The method specifically comprises the following steps: the material suction part comprises a moving frame 8 and a first material suction plate 9 fixed on the moving frame 8, the first material suction plate 9 is made of an electromagnet, one end of a first material collection box 5 close to the conveyor belt 2 is provided with a slot, a first material scraping plate 17 is arranged on the slot on the support 1 in a lifting way, the first material scraping plate 17 can be completely retracted into the support 1 or partially extended out of the support 1 and then attached to the lower end face of the first material suction plate 9, the extension and retraction of the first material scraping plate 17 are controlled by a second driving mechanism, the second driving mechanism comprises a groove 16 which is arranged on the support 1 and can be used for the first material scraping plate 17 to be completely retracted or partially extended out, a first electromagnet 19 fixed at the bottom of the groove 16 and a reset spring 18 fixed between the first material scraping plate 17 and the first electromagnet 19, the first electromagnets 19 in different material suction parts are controlled by different control circuits, and each control circuit comprises the first electromagnet 19 and a first control switch which are connected in, a first control switch for controlling the corresponding first electromagnet 19 is arranged on the support 1 near each first electromagnet 19, and an operator can control the telescopic state of the first scraping plate 17 in each material suction part by respectively operating the first control switch corresponding to the material suction part.
An opening is formed in one end, back to the other, of each of the first material collecting box 5 and the second material collecting box 6, a material collecting hopper 7 is arranged in the opening in a pulling mode, referring to fig. 3, a pull ring 71 is arranged at one end, close to the opening, of the material collecting hopper 7, the upper end face of the material collecting hopper 7 is flush with the bottom of the groove, and the bottom of the material collecting hopper 7 is inclined downwards from one end, close to the conveyor belt 2, to one end, far away from the conveyor.
The first driving mechanism comprises an air cylinder 12 fixedly arranged on one side of the support 1, as shown in fig. 1-2, the air cylinder 12 is fixed through a mounting seat 11, a mounting block 13 fixed with the end part of a piston rod of the air cylinder 12 is arranged in the center of one side of the support 1, an operator manually switches an electromagnetic pneumatic control valve of the air cylinder 12 corresponding to each material suction part to realize the extension and retraction of the piston rod of the air cylinder 12, so that the switching of the material suction or discharge states of the first material suction plate 9 in different material suction parts is realized, and the electromagnetic pneumatic control valve is preferably arranged near the first control switch to facilitate the operation of the operator.
In the whole operation process, the first suction plate 9 is always in a magnetic state, when the first suction plate 9 moves to the position above the conveyor belt 2, the first suction plate 9 performs corresponding screening adsorption on magnetic products moving to the position below the first suction plate according to the distribution of suction force from weak to strong, at the moment, the first scraping plate 17 is in a contraction state, an operator can observe the suction state below the first suction plate 9, when the products absorbed below the first suction plate 9 are close to saturation, the electromagnetic pneumatic control valve of the air cylinder 12 is switched, the piston rod of the air cylinder 12 pushes the moving frame 8 to carry the first scraping plate 17 to move to the position above the first material collecting box 5, then the first control switch of the first electromagnet 19 is switched to drive the first electromagnet 19 to lose power, and the first scraping plate 17 rises and is attached to the moving frame 8; and then, an electromagnetic pneumatic control valve of the air cylinder 12 is switched, a piston rod of the air cylinder 12 carries the first material suction plate 9 to move to the position above the conveyor belt 2 in the contraction process, and a product below the first material suction plate 9 is automatically scraped into the first material collecting box 5 by the first material scraping plate 17 in the movement process of the first material suction plate 9.
Example 2
In order to improve the continuity of the screening operation, on the basis of the embodiment 1, as shown in fig. 3 to 4, the improvement of the present embodiment lies in that the material suction part further includes a second material collecting box 6 disposed on one side of the conveyor belt 2 away from the first material collecting box 5, a second material suction plate 10 fixed on the moving frame 8, and a second material scraping plate 20 disposed on the moving frame 8 for scraping the magnetic product on the second material suction plate 10, the second material suction plate 10 is made of an electromagnet, the second material scraping plate 20 is extended and retracted by a third driving mechanism, the third driving mechanism is consistent with the second driving mechanism in structure, the third driving mechanism includes a second electromagnet and a return spring, the extension and retraction of the second material scraping plate 20 is realized by the electrification or the electrification of the second electromagnet, the electrification or the outage of the second electromagnet is controlled by a second control switch, and the first material scraping plate 17 and the second material scraping plate 20 are disposed in series in the same material suction part, and is controlled by a third control switch.
The moving frame 8 is simultaneously in guide sliding fit with the first material collecting box 5 and the second material collecting box 6, namely, a guide rail 14 is arranged at the upper end of the first material collecting box 5 and the second material collecting box 6, guide grooves matched with the guide rail 14 are arranged at two sides of the lower end of the moving frame 8, the suction forces of a first material suction plate 9 and a second material suction plate 10 on the same moving frame 8 are consistent, when the first material suction plate 9 is positioned in the first material collecting box 5, the second material suction plate 10 is positioned above the conveyor belt 2, at the moment, the first material scraping plate 17 and the second material scraping plate 20 are both in a contraction state, a first control switch is switched, the first material scraping plate 17 rises, then an electromagnetic pneumatic control valve of the air cylinder 12 is switched, the first material scraping plate 17 scrapes materials and moves to the upper side of the conveyor belt 2, the second material scraping plate 20 is positioned above the second material collecting box 6, the first control switch is switched to enable the first material, the second scraping plate 20 is driven to ascend, when materials below the first material absorbing plate 9 are absorbed to a saturated state, the electromagnetic pneumatic control valve of the cylinder is switched, the second scraping plate 20 scrapes the materials, and the second material absorbing plate 10 moves to the position below the conveyor belt 2, so that continuous operation is achieved.
The magnetic products to be screened are distributed with the same magnetic pole and are placed at intervals by an operator, so that the products with different magnetic force grades are always kept in a mutually attracted state with the first material sucking plate 9 and the second material sucking plate 10, the two adjacent products cannot be mutually attracted, the product with the strongest magnetic force is firstly adsorbed according to the distribution of the attraction structure, and the product with the weaker magnetic force is adsorbed and is sequentially distributed in a descending manner.
The principle of the electromagnet is as follows: such a coil, which is energized with electric current, is magnetic like a magnet by winding an electrically conductive winding outside the core, which is power-matched thereto. Factors influencing the magnetic force of the electromagnet include: the number of turns of the coil, the magnitude of the current and the like, when the current is consistent, the magnetism of the electromagnet is increased along with the increase of the number of turns of the coil; when the number of turns of the coil is consistent, along with the increase of current, the magnetism of the electromagnet is increased, so that different magnetic force distributions are carried out through the difference of the number of turns of the coil of the first material sucking plate 9 and the second material sucking plate 10 in different attraction structures.

Claims (6)

1. The utility model provides a different magnetic force grade product sieving mechanism, includes support (1), sets up conveyer belt (2) on support (1) and is a plurality of material structures of inhaling of crescent trend from the entry of conveyer belt (2) to the suction of export direction interval distribution, and the motion of conveyer belt (2) is controlled by a motor (3), its characterized in that: the material sucking structure comprises a first material collecting box (5) which is arranged on one side of a conveying belt (2) and provided with an upward opening, a material sucking part which is arranged in a guiding and sliding manner with the upper end of the first material collecting box (5), and a first driving mechanism which drives the material sucking part to move between the conveying belt (2) and the first material collecting box (5), wherein the material sucking part comprises a moving frame (8) and a first material sucking plate (9) fixed on the moving frame (8), the first material sucking plate (9) is made of an electromagnet, one end, close to the conveying belt (2), of the first material collecting box (5) is provided with a notch, a first material scraping plate (17) is arranged on a support (1) in the notch in a lifting manner, the first material scraping plate (17) can be completely retracted into the support (1) or partially extended out of the support (1) and then is attached to the lower end face of the first material sucking plate (9), the first material scraping plate (17) is stretched, when the first material absorbing plate (9) moves to the position above the conveyor belt (2), materials on the conveyor belt (2) are absorbed, and at the moment, the first material scraping plate (17) is in a contraction state; when the first suction plate (9) moves to the upper end of the first material collecting box (5), the first scraping plate (17) extends out, and in the process that the first suction plate (9) moves towards the conveyor belt (2), the magnetic products at the lower end of the first suction plate (9) are scraped by the first scraping plate (17).
2. The screening device for products with different magnetic force grades as claimed in claim 1, wherein: the material sucking part further comprises a second material collecting box (6) arranged on one side, far away from the first material collecting box (5), of the conveyor belt (2), a second material sucking plate (10) fixed on the moving frame (8) and a second material scraping plate (20) arranged on the moving frame and used for scraping magnetic products on the second material sucking plate (10), the moving frame (8) is simultaneously matched with the first material collecting box (5) and the second material collecting box (6) in a guide sliding mode, the suction force of the first material sucking plate (9) and the suction force of the second material sucking plate (10) on the same moving frame (8) are consistent, and when the first material sucking plate (9) is located in the first material collecting box (5), the second material sucking plate (10) is located above the conveyor belt (2); when the second material suction plate (10) is positioned in the second material collection box (6), the first material suction plate (9) is positioned above the conveyor belt (2).
3. The screening device for products with different magnetic force grades as claimed in claim 2, wherein: the first driving mechanism comprises an air cylinder (12) fixedly arranged on one side of the support (1), and an installation block (13) fixed with the end part of a piston rod of the air cylinder (12) is arranged in the center of one side of the support (1).
4. The screening device for products with different magnetic force grades as claimed in claim 1, wherein: the second driving mechanism comprises a groove (16) which is sunken in the upper end surface of the support (1), a first electromagnet (19) which is fixed at the bottom of the groove (16), and a return spring (18) which is fixed between the first scraping plate (17) and the first electromagnet (19).
5. The screening device for products with different magnetic force grades as claimed in claim 2, wherein: the one end that first material collecting box (5) and second material collecting box (6) carried on the back mutually is provided with an opening, and the pull is provided with a collecting hopper (7) in the opening, and collecting hopper (7) up end flushes with the fluting bottom, and the bottom of collecting hopper (7) is the trend of downward sloping from the one end that is close to conveyer belt (2) to the one end of keeping away from conveyer belt (2).
6. The screening device for products with different magnetic force grades as claimed in claim 1, wherein: the lower end of the outlet of the conveyor belt (2) is provided with a tailing collecting box (4) with an upward opening.
CN202020635331.3U 2020-04-24 2020-04-24 Different magnetic force grade product sieving mechanism Active CN212418309U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020635331.3U CN212418309U (en) 2020-04-24 2020-04-24 Different magnetic force grade product sieving mechanism

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Application Number Priority Date Filing Date Title
CN202020635331.3U CN212418309U (en) 2020-04-24 2020-04-24 Different magnetic force grade product sieving mechanism

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Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113859878A (en) * 2021-10-14 2021-12-31 程俊峰 Motor magnet steel automatic detection equipment
CN115219885A (en) * 2022-09-21 2022-10-21 深圳市麦烁微电子有限公司 Chip delivery sampling system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113859878A (en) * 2021-10-14 2021-12-31 程俊峰 Motor magnet steel automatic detection equipment
CN113859878B (en) * 2021-10-14 2022-12-16 程俊峰 Motor magnet steel automatic detection equipment
CN115219885A (en) * 2022-09-21 2022-10-21 深圳市麦烁微电子有限公司 Chip delivery sampling system
CN115219885B (en) * 2022-09-21 2022-12-02 深圳市麦烁微电子有限公司 Chip delivery sampling system

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A screening device for products with different magnetic levels

Effective date of registration: 20230725

Granted publication date: 20210129

Pledgee: China Construction Bank Corporation Ningbo Zhenhai sub branch

Pledgor: NINGBO ZHAOBAO MAGNET Co.,Ltd.

Registration number: Y2023980049685