CN110446153A - A kind of loudspeaker magnetizing equipment and application method convenient for improving the quality that magnetizes - Google Patents
A kind of loudspeaker magnetizing equipment and application method convenient for improving the quality that magnetizes Download PDFInfo
- Publication number
- CN110446153A CN110446153A CN201910726388.6A CN201910726388A CN110446153A CN 110446153 A CN110446153 A CN 110446153A CN 201910726388 A CN201910726388 A CN 201910726388A CN 110446153 A CN110446153 A CN 110446153A
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- Prior art keywords
- loudspeaker
- tempered glass
- glass cover
- dust
- conveyer belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
- B08B5/043—Cleaning travelling work
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of loudspeaker magnetizing equipments and application method convenient for improving the quality that magnetizes, belong to loudspeaker production equipment technology, including conveyer belt, stepper motor and magnet charger, the transmission output and conveyer belt of the stepper motor are sequentially connected, the magnet charger is located above conveyer belt, the transmission belt surface is evenly equipped with hopper, tempered glass cover is installed outside the conveyer belt, the tempered glass cover outer wall riveting has metallic shield net, metallic shield net is used to shield extraneous magnetic field, the tempered glass cover inner sidewall is symmetrically installed with air blowing shield, air blowing shield is for dedusting of blowing, the tempered glass cover inner tip is plugged with dust hood, dust hood blows winged dust for absorbing.The present invention is conducive to be dusted operation to loudspeaker, goes to destatic by ion blower, carry out operation of magnetizing by the interpole of magnet charger, improve the quality to magnetize by installing air blowing shield and dust hood respectively inside tempered glass cover.
Description
Technical field
The present invention relates to loudspeaker production equipment technology more particularly to a kind of loudspeakers convenient for improving the quality that magnetizes
Magnetizing equipment and application method.
Background technique
Electroacoustic accessory refers to that the accessory for needing to use in electro-acoustic is referred to as electroacoustic accessory.Loudspeaker is also known as " loudspeaker
".It is a kind of very common electro-acoustic transducer device, it can be seen in the electronic electric equipment of sounding, loudspeaker is most
One of common electroacoustic accessory.
Existing magnet charger does not have the performance of dedusting when magnetizing to loudspeaker, due to loudspeaker adsorption
There is dust, it will reduce the quality to magnetize, influence the use of product.For this purpose, it is proposed that a kind of magnetize quality convenient for improving
Loudspeaker magnetizing equipment and application method.
Summary of the invention
The present invention provides a kind of loudspeaker magnetizing equipment and application method convenient for improving the quality that magnetizes, convenient for loudspeaking
When device magnetizes, by conveyer belt automatic charging, it is dusted operation before magnetizing, is conducive to improve the quality to magnetize,
Improve the using effect of product.
Specific technical solution provided by the invention is as follows:
A kind of loudspeaker magnetizing equipment convenient for improving the quality that magnetizes provided by the invention, including conveyer belt, stepper motor
And magnet charger, the transmission output and conveyer belt of the stepper motor are sequentially connected, the magnet charger is located above conveyer belt, institute
It states transmission belt surface and is evenly equipped with hopper, tempered glass cover, the tempered glass cover outer wall riveting are installed outside the conveyer belt
There is metallic shield net, metallic shield net is used to shield extraneous magnetic field, and the tempered glass cover inner sidewall is symmetrically installed with air blowing
Cover, for air blowing shield for dedusting of blowing, the tempered glass cover inner tip is plugged with dust hood, and dust hood blows winged for absorption
Dust, the tempered glass cover inner tip middle position are removably connected with ion blower, the ion blower side installation
There is air pump, the transmission output of the air pump snaps connection interpole, is equipped with disposal box above the tempered glass cover, institute
It states and blanking table and control panel is installed on the right side of conveyer belt.
Optionally, the tempered glass cover outer surface is symmetrically installed with acid blowcase, the blowing end and air blowing of the acid blowcase
Cover conducting connects, and the air blowing fan energization rotation inside acid blowcase, the gas of discharge is by air blowing shield to the dust on loudspeaker surface
Carry out air blowing dedusting operation.
Optionally, the disposal box side wall, which is respectively turned on, is connected with exhaust outlet and sewage draining exit, the disposal box inner tip
Exhaust fan is installed, connection is connected with dust hood for the suction end of the exhaust fan, and the exhaust end conducting connection of the exhaust fan is led
Tracheae extracts the dust inside tempered glass cover by exhaust fan.
Optionally, it is filled with cleaning solution inside the disposal box, disposal box bosom position is removably connected with
Active carbon web plate, the active carbon web plate are located above cleaning solution, and cleaning solution carries out soaking washing and cleaning operation to the dust of absorption, produce
Raw gas prevents from polluting air secondary by active carbon web plate filter cleaning.
Optionally, tempered glass cover surface offers inlet port and outlet port respectively, and the conveyer belt runs through tempering
Cloche and conveyer belt both ends protrude from inlet port and outlet port respectively passes through stepper motor and drives conveyer belt self-feeding.
Optionally, the blanking table surface is bonded with cushion, and the control panel magnetic is in blanking table side, operator
Material is picked up manually in blanking table side in member station.
Optionally, the magnet charger and interpole are electrically connected, and the air pump is fixedly connected on inside tempered glass cover
Top is mounted on the interpole of magnet charger below air pump, carries out operation of magnetizing to loudspeaker.
Optionally, the signal output end of the control panel respectively with stepper motor, acid blowcase, exhaust fan, magnet charger, from
The control terminal of sub- blower and air pump is electrically connected, and by control panel the electric elements in the present invention are carried out with the pipe of working condition
Control.
Optionally, include the following steps:
S1, self-feeding: connecting external power supply, drives stepper motor work, operator by lower button by control panel
Member is placed on material inside the hopper of transmission belt surface；
S2, anti-magnetic disturbance: the riveting of tempered glass cover outer wall has metallic shield net, and metallic shield net effectively reduces the ring that magnetizes
The interference of external magnetic field in border improves the effect that magnetizes；
S3, air blowing dedusting: rotation is fanned by the air blowing inside acid blowcase, gas is discharged by air blowing shield, to loudspeaker table
Face carries out air blowing dedusting operation, the dust of clean surface absorption；
S4, air-breathing dust: when the exhaust fan inside disposal box works, the dust to waft inside tempered glass cover passes through
Dust hood is inhaled into disposal box, and cleaning solution carries out the dust of absorption to soak washing and cleaning operation, and the gas of generation passes through active carbon net
Plate filter cleaning prevents from polluting air secondary.
S5, go to destatic: tempered glass cover inner tip middle position is removably connected with ion blower, ion wind equipment
There is the function of destaticing, reduces the electrostatic on loudspeaker surface；
S6, energization are magnetized: by those skilled in the art according to the revolving speed of the driving conveyer belt of stepper motor, setting air pump fills
The frequency of gas, loudspeaker are transported to below interpole, and air pump pushes interpole, while magnet charger adds excitation current, fills
Magnetic is completed；
S7, artificial rewinding: falling in blanking table surface under the loudspeaker after being magnetized, operator takes by hand, goes forward side by side
The visual inspection of row appearance carries out vanning turnover.
Beneficial effects of the present invention are as follows:
1, the present invention is conducive to carry out loudspeaker by installing air blowing shield and dust hood respectively inside tempered glass cover
Dedusting operation goes to destatic by ion blower, carries out operation of magnetizing by the interpole of magnet charger, improves the matter to magnetize
Amount.
2, the present invention drives transmission belt to drive loudspeaker automatic charging by stepper motor, installation gold outside tempered glass cover
Belong to gauze screen, entire dedusting and operation of magnetizing carry out inside metallic shield net, reduce the interference of external magnetic field.
3, when the exhaust fan inside disposal box of the present invention works, the dust to waft inside tempered glass cover passes through dust suction
Cover is inhaled into disposal box, and cleaning solution carries out the dust of absorption to soak washing and cleaning operation, and the gas of generation passes through active carbon web plate mistake
Filtering is clean, prevents from polluting air secondary.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 be the embodiment of the present invention it is a kind of convenient for improve magnetize quality loudspeaker magnetizing equipment and application method it is whole
Body structural schematic diagram；
Fig. 2 is that a kind of of the embodiment of the present invention is magnetized the loudspeaker magnetizing equipment of quality and blowing for application method convenient for improving
Gas tank and tempered glass cover connection structure schematic top plan view；
Fig. 3 is a kind of collection convenient for improving the loudspeaker magnetizing equipment and application method of the quality that magnetizes of the embodiment of the present invention
Dirt box structure schematic diagram.
In figure: 1, conveyer belt；101, hopper；2, stepper motor；3, air blowing shield；301, acid blowcase；4, tempered glass cover；
401, feed inlet；402, discharge port；5, metallic shield net；6, dust hood；7, disposal box；701, exhaust outlet；702, sewage draining exit；8,
Ion blower；9, magnet charger；901, air pump；902, interpole；10, blanking table；1001, cushion；11, control panel；12,
Exhaust fan；1201, gas-guide tube；13, cleaning solution；1301, active carbon web plate.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
It magnetizes and sets below in conjunction with a kind of loudspeaker convenient for improving the quality that magnetizes of the FIG. 1 to FIG. 3 to the embodiment of the present invention
Standby and application method is described in detail.
It is provided in an embodiment of the present invention a kind of to be filled convenient for improving the loudspeaker of quality of magnetizing shown in referring to FIG. 1, FIG. 2 and FIG. 3
Magnetic machine, including conveyer belt 1, stepper motor 2 and magnet charger 9, the transmission output and conveyer belt 1 of the stepper motor 2 are driven
Connection, the magnet charger 9 are located above conveyer belt 1, and 1 surface of conveyer belt is evenly equipped with hopper 101, outside the conveyer belt 1
Tempered glass cover 4 is installed, 4 outer wall of the tempered glass cover riveting has metallic shield net 5, and metallic shield net is for shielding the external world
Magnetic field, 4 inner sidewall of tempered glass cover is symmetrically installed with air blowing shield 3, and air blowing shield is for dedusting of blowing, the tempered glass
It covers 4 inner tips and is plugged with dust hood 6, dust hood blows winged dust for absorbing, among 4 inner tip of tempered glass cover
Position is removably connected with ion blower 8, and 8 side of ion blower is equipped with air pump 901, and the transmission of the air pump 901 is defeated
Outlet snaps connection interpole 902, and disposal box 7 is equipped with above the tempered glass cover 4, is installed on the right side of the conveyer belt 1
There are blanking table 10 and control panel 11.
Shown in referring to Figures 1 and 2,4 outer surface of tempered glass cover is symmetrically installed with acid blowcase 301, the acid blowcase
301 blowing end and air blowing shield 3 conducting connects, and the air blowing fan energization rotation inside acid blowcase, the gas of discharge passes through air blowing shield
Air blowing dedusting operation is carried out to the dust on loudspeaker surface.
Referring to shown in Fig. 3,7 side wall of disposal box, which is respectively turned on, is connected with exhaust outlet 701 and sewage draining exit 702, the collection
7 inner tip of dirt case is equipped with exhaust fan 12, and suction end and dust hood 6 conducting of the exhaust fan 12 connect, the exhaust fan
12 exhaust end conducting connection gas-guide tube 1201, extracts the dust inside tempered glass cover by exhaust fan.
Shown in referring to Figures 1 and 2, cleaning solution 13, the 7 bosom position of disposal box are filled with inside the disposal box 7
It sets and is removably connected with active carbon web plate 1301, the active carbon web plate 1301 is located at 13 top of cleaning solution, and cleaning solution is to absorption
Dust soak washing and cleaning operation, the gas of generation prevents from polluting air secondary by active carbon web plate filter cleaning.
Shown in referring to Fig.1,4 surface of tempered glass cover offers feed inlet 401 and discharge port 402, the biography respectively
It send band 1 through tempered glass cover 4 and 1 both ends of conveyer belt protrudes from feed inlet 401 and discharge port 402 respectively, pass through stepper motor
Drive conveyer belt self-feeding.
Referring to shown in Fig. 3,10 surface of blanking table is bonded with cushion 1001, and 11 magnetic of control panel is in blanking
10 side of platform, operator stand in blanking table side, pick up material manually.
Shown in referring to Fig.1, the magnet charger 9 is electrically connected with interpole 902, and the air pump 901 is fixedly connected on steel
Change 4 inner tip of cloche, the interpole of magnet charger is mounted below air pump, operation of magnetizing is carried out to loudspeaker.
Referring to FIG. 1, FIG. 2 and FIG. 3 shown in, the signal output end of the control panel 11 respectively with stepper motor 2, blow
The control terminal electric connection of case 301, exhaust fan 12, magnet charger 9, ion blower 8 and air pump 901, by control panel to this hair
Electric elements in bright carry out the control of working condition.
Shown in referring to FIG. 1, FIG. 2 and FIG. 3, include the following steps:
S1, self-feeding: connecting external power supply, drives stepper motor work, operator by lower button by control panel
Member is placed on material inside the hopper of transmission belt surface；
S2, anti-magnetic disturbance: the riveting of tempered glass cover outer wall has metallic shield net, and metallic shield net effectively reduces the ring that magnetizes
The interference of external magnetic field in border improves the effect that magnetizes；
S3, air blowing dedusting: rotation is fanned by the air blowing inside acid blowcase, gas is discharged by air blowing shield, to loudspeaker table
Face carries out air blowing dedusting operation, the dust of clean surface absorption；
S4, air-breathing dust: when the exhaust fan inside disposal box works, the dust to waft inside tempered glass cover passes through
Dust hood is inhaled into disposal box, and cleaning solution carries out the dust of absorption to soak washing and cleaning operation, and the gas of generation passes through active carbon net
Plate filter cleaning prevents from polluting air secondary.
S5, go to destatic: tempered glass cover inner tip middle position is removably connected with ion blower, ion wind equipment
There is the function of destaticing, reduces the electrostatic on loudspeaker surface；
S6, energization are magnetized: by those skilled in the art according to the revolving speed of the driving conveyer belt of stepper motor, setting air pump fills
The frequency of gas, loudspeaker are transported to below interpole, and air pump pushes interpole, while magnet charger adds excitation current, fills
Magnetic is completed；
S7, artificial rewinding: falling in blanking table surface under the loudspeaker after being magnetized, operator takes by hand, goes forward side by side
The visual inspection of row appearance carries out vanning turnover.
In summary: a kind of loudspeaker magnetizing equipment and application method convenient for improving the quality that magnetizes provided by the invention,
Compared with other treatment process, by installing air blowing shield and dust hood respectively inside tempered glass cover, be conducive to loudspeaker
It is dusted operation, goes to destatic by ion blower, operation of magnetizing is carried out by the interpole of magnet charger, improved and magnetize
Quality.
It should be noted that the present invention is a kind of loudspeaker magnetizing equipment and application method convenient for improving the quality that magnetizes,
Conveyer belt 1, hopper 101, stepper motor 2, air blowing shield 3, acid blowcase 301, tempered glass cover 4, feed inlet 401, discharge port 402,
It is metallic shield net 5, dust hood 6, disposal box 7, exhaust outlet 701, sewage draining exit 702, ion blower 8, magnet charger 9, air pump 901, attached
Add magnetic pole 902, blanking table 10, cushion 1001, control panel 11, exhaust fan 12, gas-guide tube 1201, cleaning solution 13, active carbon
Web plate 1301, component are universal standard part or component as known to those skilled in the art, and structure and principle are all this technology
Personnel can be learnt by technical manual or be known by routine experiment method, and above-mentioned electric elements are by those skilled in the art
Member flexibly chooses, installs and completes circuit debugging, guarantees that each equipment can operate normally, does not do excessive limitation herein and want
It asks.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of loudspeaker magnetizing equipment convenient for improving the quality that magnetizes, which is characterized in that including conveyer belt, stepper motor and fill
Magnetomechanical, the transmission output and conveyer belt of the stepper motor are sequentially connected, and the magnet charger is located above conveyer belt, the biography
It send belt surface to be evenly equipped with hopper, tempered glass cover is installed outside the conveyer belt, the tempered glass cover outer wall riveting has gold
Belong to gauze screen, metallic shield net is used to shield extraneous magnetic field, and the tempered glass cover inner sidewall is symmetrically installed with air blowing shield, blows
For gas hood for dedusting of blowing, the tempered glass cover inner tip is plugged with dust hood, and dust hood blows winged dust for absorbing,
The tempered glass cover inner tip middle position is removably connected with ion blower, and the ion blower side is equipped with gas
Pump, the transmission output of the air pump snap connection interpole, are equipped with disposal box, the biography above the tempered glass cover
Send band right side that blanking table and control panel are installed.
2. a kind of loudspeaker magnetizing equipment convenient for improving the quality that magnetizes according to claim 1, which is characterized in that described
Tempered glass cover outer surface is symmetrically installed with acid blowcase, and the blowing end of the acid blowcase is connected connection with air blowing shield, in acid blowcase
The air blowing fan in portion, which is powered, to be rotated, and the gas of discharge carries out air blowing dedusting operation by dust of the air blowing shield to loudspeaker surface.
3. a kind of loudspeaker magnetizing equipment convenient for improving the quality that magnetizes according to claim 1, which is characterized in that described
Disposal box side wall, which is respectively turned on, is connected with exhaust outlet and sewage draining exit, and the disposal box inner tip is equipped with exhaust fan, the pumping
Connection is connected with dust hood for the suction end of gas fan, and the exhaust end conducting connection gas-guide tube of the exhaust fan is extracted by exhaust fan
Dust inside tempered glass cover.
4. a kind of loudspeaker magnetizing equipment convenient for improving the quality that magnetizes according to claim 1, which is characterized in that described
Cleaning solution is filled with inside disposal box, disposal box bosom position is removably connected with active carbon web plate, the activity
Charcoal web plate is located above cleaning solution, and cleaning solution carries out the dust of absorption to soak washing and cleaning operation, and the gas of generation passes through active carbon
Web plate filter cleaning prevents from polluting air secondary.
5. a kind of loudspeaker magnetizing equipment convenient for improving the quality that magnetizes according to claim 1, which is characterized in that described
Tempered glass cover surface offers inlet port and outlet port respectively, and the conveyer belt is through tempered glass cover and conveyer belt both ends point
Inlet port and outlet port are not protruded from, conveyer belt self-feeding is driven by stepper motor.
6. a kind of loudspeaker magnetizing equipment convenient for improving the quality that magnetizes according to claim 1, which is characterized in that described
Blanking table surface is bonded with cushion, and the control panel magnetic is stood in blanking table side, operator in blanking table side, hand
It is dynamic to pick up material.
7. a kind of loudspeaker magnetizing equipment convenient for improving the quality that magnetizes according to claim 1, which is characterized in that described
Magnet charger and interpole are electrically connected, and the air pump is fixedly connected on tempered glass cover inner tip, the additional of magnet charger
Magnetic pole is mounted below air pump, carries out operation of magnetizing to loudspeaker.
8. a kind of loudspeaker magnetizing equipment convenient for improving the quality that magnetizes according to claim 1, which is characterized in that described
The control with stepper motor, acid blowcase, exhaust fan, magnet charger, ion blower and air pump respectively of the signal output end of control panel
End is electrically connected, and by control panel the electric elements in the present invention are carried out with the control of working condition.
9. a kind of loudspeaker magnetizing equipment and application method convenient for improving the quality that magnetizes according to claim 1, special
Sign is, includes the following steps:
S1, self-feeding: connecting external power supply, drives stepper motor work, operator's handle by lower button by control panel
Material is placed on inside the hopper of transmission belt surface；
S2, anti-magnetic disturbance: the riveting of tempered glass cover outer wall has metallic shield net, and metallic shield net is effectively reduced in the environment that magnetizes
The interference of external magnetic field improves the effect that magnetizes；
S3, air blowing dedusting: fanning rotation by air blowing inside acid blowcase, gas by air blowing shield discharge, to loudspeaker surface into
Row air blowing dedusting operation, the dust of clean surface absorption；
S4, air-breathing dust: when the exhaust fan inside disposal box works, the dust to waft inside tempered glass cover passes through dust suction
Cover is inhaled into disposal box, and cleaning solution carries out the dust of absorption to soak washing and cleaning operation, and the gas of generation passes through active carbon web plate mistake
Filtering is clean, prevents from polluting air secondary.
S5, go to destatic: tempered glass cover inner tip middle position is removably connected with ion blower, and ion blower, which has, to be gone
The function of destaticing reduces the electrostatic on loudspeaker surface；
S6, energization are magnetized: by those skilled in the art according to the revolving speed of the driving conveyer belt of stepper motor, air-pump inflating is arranged
Frequency, loudspeaker are transported to below interpole, and air pump pushes interpole, while magnet charger adds excitation current, has magnetized
At；
S7, artificial rewinding: falling in blanking table surface under the loudspeaker after being magnetized, operator takes by hand, and carries out outer
The visual inspection of sight carries out vanning turnover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726388.6A CN110446153A (en) | 2019-08-07 | 2019-08-07 | A kind of loudspeaker magnetizing equipment and application method convenient for improving the quality that magnetizes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910726388.6A CN110446153A (en) | 2019-08-07 | 2019-08-07 | A kind of loudspeaker magnetizing equipment and application method convenient for improving the quality that magnetizes |
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| CN110446153A true CN110446153A (en) | 2019-11-12 |
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|---|---|---|---|
| CN201910726388.6A Pending CN110446153A (en) | 2019-08-07 | 2019-08-07 | A kind of loudspeaker magnetizing equipment and application method convenient for improving the quality that magnetizes |
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| CN112481826A (en) * | 2020-11-29 | 2021-03-12 | 杭州新钻化妆品有限公司 | Split type melt-blown fabric equipment |
| CN116253158A (en) * | 2023-05-16 | 2023-06-13 | 徐州日托光伏科技有限公司 | Dustproof conveying device for photovoltaic glass production |
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| CN116253158A (en) * | 2023-05-16 | 2023-06-13 | 徐州日托光伏科技有限公司 | Dustproof conveying device for photovoltaic glass production |
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Application publication date: 20191112 |