CN115194012A - Heat treatment process and equipment for steel mesh of loudspeaker - Google Patents

Heat treatment process and equipment for steel mesh of loudspeaker Download PDF

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Publication number
CN115194012A
CN115194012A CN202210831261.2A CN202210831261A CN115194012A CN 115194012 A CN115194012 A CN 115194012A CN 202210831261 A CN202210831261 A CN 202210831261A CN 115194012 A CN115194012 A CN 115194012A
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China
Prior art keywords
plate
punching
bending
steel
treatment
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CN202210831261.2A
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Chinese (zh)
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CN115194012B (en
Inventor
彭德榜
陈贤庆
黄文威
黄志光
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Huizhou Jinlong Precision Vacuum Heat Treatment Co ltd
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Huizhou Jinlong Precision Vacuum Heat Treatment Co ltd
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Priority to CN202210831261.2A priority Critical patent/CN115194012B/en
Publication of CN115194012A publication Critical patent/CN115194012A/en
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Publication of CN115194012B publication Critical patent/CN115194012B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001Shaping combined with punching, e.g. stamping and perforating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention discloses a heat treatment process and equipment for a steel mesh of a loudspeaker, wherein a cut steel plate is obtained; punching a steel plate, sequentially and annularly punching along the stress direction of the steel plate to form a punching plate, placing the punching plate on a bending die, and adjusting the punching plate along with the bending direction and the bending angle of the bending die, wherein the bending angle of the bending die can be adjusted; performing stress relief processing on the bent punching plate, and detecting the hole shape deformation degree of the punching plate; if the hole shape deformation degree of the punching plate meets the preset deformation requirement, performing strength treatment on the punching plate; the conveying direction of the punching plate is adjusted, and the punching plate is subjected to marking treatment, so that the intelligent manufacturing of the steel mesh of the loudspeaker is improved, and the customization requirements and different model requirements of the steel mesh of the loudspeaker are met.

Description

Heat treatment process and equipment for steel mesh of loudspeaker
Technical Field
The invention relates to the technical field of speakers, in particular to a heat treatment process and equipment for a steel mesh of a speaker.
Background
Along with the development of science and technology, the speaker is progressively applied to sound equipment to the steel mesh of speaker can play the effect of the cover body as a part of speaker, and in prior art, the steel mesh is in proper order through cutting, destressing and the processing of punching a hole, and at this moment, the punching a hole of steel mesh is handled and is placed at last process, and still can produce stress after punching a hole, leads to the stress of the steel mesh of speaker still to exist by a large scale.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a heat treatment process and equipment for a steel mesh of a loudspeaker, which are used for punching a steel plate so as to facilitate the hole site treatment in advance and the subsequent bending, wherein the punching plate is adjusted along with the bending direction and the bending angle of a bending die and forms an arc angle under the bending of the bending die, and can also be adjusted in an arc shape according to the angle adjustment of the bending die so as to facilitate the manufacture of steel meshes of different models, and the punching plate is sequentially subjected to stress relief treatment and strength treatment so as to facilitate the punching treatment of the steel plate in the previous process, and before the stress relief treatment and the strength treatment, the stress relief treatment and the strength treatment are also performed on the hole site of the punching plate so as to reduce the stress of the steel mesh of the loudspeaker, and perform customized marking treatment under the qualified requirement of the hole site so as to improve the intelligent manufacture of the steel mesh of the loudspeaker and meet the customized requirement and different model requirements of the steel mesh of the loudspeaker.
In order to solve the above technical problem, an embodiment of the present invention provides a heat treatment process for a steel mesh of a speaker, including: obtaining a cut steel sheet; performing punching treatment on a steel plate, and sequentially and annularly punching along the stress direction of the steel plate to form a punched plate; placing the punching plate in a bending die, and adjusting the punching plate along with the bending direction and the bending angle of the bending die, wherein the bending angle of the bending die can be adjusted; performing stress relief treatment on the bent punched plate, and detecting the hole shape deformation degree of the punched plate; if the hole shape deformation degree of the punching plate meets the preset deformation requirement, performing strength treatment on the punching plate; and adjusting the conveying direction of the punching plate, and marking the punching plate.
In the embodiment of the present invention, by the method in the embodiment of the present invention, a cut steel plate is obtained; performing punching treatment on the steel plate, and sequentially and annularly punching along the stress direction of the steel plate to form a punched plate; placing the punching plate in a bending die, and adjusting the punching plate along with the bending direction and the bending angle of the bending die, wherein the bending angle of the bending die can be adjusted; performing stress relief treatment on the bent punched plate, and detecting the hole shape deformation degree of the punched plate; if the hole shape deformation degree of the punching plate meets the preset deformation requirement, performing strength treatment on the punching plate; the direction of delivery of adjustment punching plate, and mark processing is beaten to the punching plate, wherein, the processing of punching a hole to the steel sheet, so that carry out hole site processing in advance and be convenient for subsequent bending, the punching plate is adjusted with the angle of buckling along with the direction of buckling of bending die, and the punching plate forms the arc angle under the bending of bending die, also can carry out the arc adjustment according to the angle adjustment of bending die, so that carry out the manufacturing of the steel mesh of different models, and the punching plate destressing is handled and intensity processing in proper order, so that place the process in the front with the punching processing of steel sheet, and be in before destressing is handled and intensity processing, so that also destressing is handled and intensity processing to the hole site of punching the hole board, reduce the stress of the steel mesh of speaker, and carry out the mark processing of customizing under the qualified requirement of hole site, so that improve the intelligent manufacturing of the steel mesh of speaker, and satisfy the customization demand and the different model demands of the steel mesh of speaker.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a heat treatment process of a steel mesh of a speaker in an embodiment of the present invention;
FIG. 2 is a schematic view showing a flow of a cut steel sheet of a heat treatment process of a steel net of a speaker in an embodiment of the present invention;
fig. 3 is a schematic view showing a flow of bending a punched plate in a heat treatment process of a steel mesh of a speaker in an embodiment of the present invention;
FIG. 4 is a schematic flow chart of the stress treatment of the punched plate of the heat treatment process of the steel net of the speaker in the embodiment of the present invention;
fig. 5 is a schematic view of a heat treatment apparatus of a steel net of a speaker in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 to 5, a heat treatment process of a steel mesh of a speaker includes:
s11: obtaining a cut steel plate;
in the specific implementation process of the invention, the specific steps can be as follows:
s111: conveying the whole steel plate in sequence;
s112: cutting the whole steel plate in the conveying process, and forming a corresponding steel plate according to a preset size;
s113: treating the steel plate with a corresponding antirust liquid, and recovering the antirust liquid flowing down from the surface of the steel plate;
s114: and (4) carrying out air drying treatment and dust removal treatment on the steel plate, and ensuring the cleanliness of the steel plate.
Wherein, cut the processing to whole board steel sheet in transportation process to form corresponding steel sheet according to preset size, so that form a plurality of steel sheets with the size, the formation of the steel mesh of being convenient for, and correspond the antirust fluid to the steel sheet and handle, and retrieve the antirust fluid through the surperficial underflow of steel sheet, in order to realize the cyclic utilization of antirust fluid, in addition, carry out air-drying processing and dust removal processing with the steel sheet, and guarantee the cleanliness factor of steel sheet.
S12: performing punching treatment on a steel plate, and sequentially and annularly punching along the stress direction of the steel plate to form a punched plate;
in the specific implementation process of the invention, the specific steps can be as follows:
pre-pressing the steel plate, and extending along the annular direction of the steel plate; punching the pre-pressed steel plate; detecting the stress direction of the steel plate, and sequentially and annularly punching along the stress direction of the steel plate to form a punched plate; hole site detection is performed based on hole site arrangement of the punching plate, and deburring processing is performed on the edge of the hole site.
S13: placing the punching plate in a bending die, and adjusting the punching plate along with the bending direction and the bending angle of the bending die, wherein the bending angle of the bending die can be adjusted;
in the specific implementation process of the invention, the specific steps can be as follows:
s131: the punching plate is placed on a bending die under the driving of a mechanical arm, and the cavity position of the bending die is subjected to dust removal treatment;
s132: adjusting a first bending force of a bending die based on the thickness of the punching plate;
s133: according to the first bending force, the first bending of the punching plate by the bending die is realized;
s134: bending the punched plate for the second time along the extending direction of the first bending, wherein the second bending force is greater than the first bending force, and the bending angle of the bending die can be adjusted;
s135: the punching plate is sequentially attached to the cavity position of the bending die under the driving of the second bending force, and anti-wrinkle treatment is carried out.
The punching plate is placed in a bending die under the driving of a mechanical arm, and dust removal treatment is carried out on a cavity position of the bending die so as to ensure a forming environment and improve the cleanliness of the punching plate in the bending process; the first bending force and the second bending force are adopted to bend the punching plate at different levels for multiple times, and the second bending force is larger than the first bending force, the bending angle of the bending die can be adjusted, so that the steel plate can be bent at different bending angles, in addition, the punching plate is sequentially attached to the cavity position of the bending die under the driving of the second bending force, and anti-wrinkle treatment is carried out.
S14: performing stress relief treatment on the bent punched plate, and detecting the hole shape deformation degree of the punched plate;
in the specific implementation process of the invention, the specific steps can be as follows:
s141: subjecting the bent punching plate to oil treatment;
s142: performing oil drainage treatment on the punching plate subjected to oil liquid treatment;
s143: quenching and reducing the fire in sequence according to the surface oil fraction of the punching plate so as to realize the stress relief treatment of the bent punching plate;
s144: and detecting the hole shape deformation degree of the punching plate.
Wherein the punching plate is made of SUS304 material, and the temperature is 1100 + -10 deg.C, and the time is 150min + -5 min.
The punching plate is made of SUS316L material, and the heat preservation temperature is 1080 ℃ plus or minus 10 ℃ and the time is 150min plus or minus 5min.
S15: if the hole shape deformation degree of the punching plate meets the preset deformation requirement, performing strength treatment on the punching plate;
s16: and adjusting the conveying direction of the punching plate, and marking the punching plate.
In the specific implementation process of the invention, the specific steps comprise: adjusting the conveying direction of the punching plates and conveying the punching plates in sequence; performing gap processing on the plurality of punching plates, and performing sequencing conveying along the same straight line; and marking the punching plate, wherein the punching plate can be subjected to laser marking or UV printing.
The invention aims to overcome the defects of the prior art and provides a heat treatment process of a steel mesh of a loudspeaker, which is used for obtaining a cut steel plate; performing punching treatment on the steel plate, and sequentially and annularly punching along the stress direction of the steel plate to form a punched plate; placing the punching plate in a bending die, and adjusting the punching plate along with the bending direction and the bending angle of the bending die, wherein the bending angle of the bending die can be adjusted; performing stress relief treatment on the bent punched plate, and detecting the hole shape deformation degree of the punched plate; if the hole shape deformation degree of the punching plate meets the preset deformation requirement, performing strength treatment on the punching plate; the direction of delivery of adjustment punching plate, and mark processing is beaten to the punching plate, wherein, the processing of punching a hole to the steel sheet, so that carry out hole site processing in advance and be convenient for subsequent bending, the punching plate is adjusted with the angle of buckling along with the direction of buckling of bending die, and the punching plate forms the arc angle under the bending of bending die, also can carry out the arc adjustment according to the angle adjustment of bending die, so that carry out the manufacturing of the steel mesh of different models, and the punching plate destressing is handled and intensity processing in proper order, so that place the process in the front with the punching processing of steel sheet, and be in before destressing is handled and intensity processing, so that also destressing is handled and intensity processing to the hole site of punching the hole board, reduce the stress of the steel mesh of speaker, and carry out the mark processing of customizing under the qualified requirement of hole site, so that improve the intelligent manufacturing of the steel mesh of speaker, and satisfy the customization demand and the different model demands of the steel mesh of speaker.
In addition, the above detailed description is provided for the heat treatment process and system of the steel mesh of the speaker provided in the embodiment of the present invention, and the principle and the embodiment of the present invention shall be explained by using a specific example herein, and the description of the above embodiment is only used to help understanding the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (7)

1. A heat treatment process of a steel mesh of a speaker, comprising:
obtaining a cut steel sheet;
performing punching treatment on a steel plate, and sequentially and annularly punching along the stress direction of the steel plate to form a punched plate;
placing the punching plate in a bending die, and adjusting the punching plate along with the bending direction and the bending angle of the bending die, wherein the bending angle of the bending die can be adjusted;
performing stress relief treatment on the bent punched plate, and detecting the hole shape deformation degree of the punched plate;
if the hole shape deformation degree of the punching plate meets the preset deformation requirement, performing strength treatment on the punching plate;
and adjusting the conveying direction of the punching plate, and marking the punching plate.
2. The heat treatment process for steel nets of speakers, according to claim 1, wherein said obtaining of cut steel plate comprises:
conveying the whole steel plates in sequence;
cutting the whole steel plate in the conveying process, and forming a corresponding steel plate according to a preset size;
treating the steel plate with a corresponding antirust liquid, and recovering the antirust liquid flowing down from the surface of the steel plate;
and (4) carrying out air drying treatment and dust removal treatment on the steel plate, and ensuring the cleanliness of the steel plate.
3. The heat treatment process for steel mesh of speaker according to claim 2, wherein said punching a steel plate and sequentially ring-punching along a stress direction of the steel plate to form a punched plate comprises:
pre-pressing the steel plate, and extending along the annular direction of the steel plate;
punching the pre-pressed steel plate;
detecting the stress direction of the steel plate, and sequentially and annularly punching along the stress direction of the steel plate to form a punched plate;
hole site detection is performed based on hole site arrangement of the punching plate, and deburring processing is performed on the edge of the hole site.
4. The heat treatment process for steel mesh of speaker according to claim 3, wherein said placing said punched plate in a bending die and adjusting said punched plate with the bending direction and bending angle of said bending die, wherein the bending angle of said bending die can be adjusted comprises:
the punching plate is placed on a bending die under the driving of a mechanical arm, and the dust removal treatment is carried out on the cavity position of the bending die;
adjusting a first bending force of a bending die based on the thickness of the punching plate;
the first bending of the punching plate by the bending die is realized according to the first bending force;
bending the punched plate for the second time along the extending direction of the first bending, wherein the second bending force is greater than the first bending force, and the bending angle of the bending die can be adjusted;
the punching plate is sequentially attached to the cavity position of the bending die under the driving of the second bending force, and anti-wrinkle treatment is carried out.
5. The heat treatment process for steel mesh for speaker according to claim 4, wherein said stress-relieving the bent punched plate and detecting the degree of hole shape deformation of the punched plate comprises:
subjecting the bent punching plate to oil treatment;
performing oil discharge treatment on the punching plate subjected to oil liquid treatment;
sequentially carrying out quenching treatment and annealing treatment according to the surface oil fraction of the punched plate so as to realize stress relief treatment on the bent punched plate;
and detecting the hole shape deformation degree of the punching plate.
6. The heat treatment process for steel mesh for speaker according to claim 5, wherein said adjusting the feeding direction of said punched plate and marking said punched plate comprises:
adjusting the conveying direction of the punching plates, and conveying the punching plates in sequence;
performing gap processing on the plurality of punching plates, and performing sequencing conveying along the same straight line;
and marking the punching plate, wherein the punching plate can be subjected to laser marking or UV printing.
7. An apparatus for heat-treating a steel mesh for a speaker, wherein the apparatus for heat-treating a steel mesh for a speaker uses the process for heat-treating a steel mesh for a speaker according to any one of claims 1 to 6.
CN202210831261.2A 2022-07-15 2022-07-15 Heat treatment process and equipment for steel mesh of loudspeaker Active CN115194012B (en)

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CN202210831261.2A CN115194012B (en) 2022-07-15 2022-07-15 Heat treatment process and equipment for steel mesh of loudspeaker

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Application Number Priority Date Filing Date Title
CN202210831261.2A CN115194012B (en) 2022-07-15 2022-07-15 Heat treatment process and equipment for steel mesh of loudspeaker

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CN115194012B CN115194012B (en) 2023-05-30

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003158798A (en) * 2002-11-27 2003-05-30 Victor Co Of Japan Ltd Method for producing diaphragm of speaker
JP2004136339A (en) * 2002-10-18 2004-05-13 Mitsui High Tec Inc Method for manufacturing element of belt for continuously variable transmission
CN104028639A (en) * 2014-06-24 2014-09-10 梧州恒声电子科技有限公司 Manufacturing process of loudspeaker frame made of ultra-thin roll materials
CN104384312A (en) * 2014-10-10 2015-03-04 祥鑫科技股份有限公司 Method for processing Z-shaped bending parts with holes
CN105901971A (en) * 2016-04-15 2016-08-31 宁波卡利亚厨卫科技有限公司 Cabinet body manufacture technique
CN112893561A (en) * 2021-01-15 2021-06-04 滁州美杰精密部件制造有限公司 Top cover bending process convenient to install
CN214032694U (en) * 2020-11-11 2021-08-24 重庆川普机械有限公司 Surface treatment device for workpiece machining

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004136339A (en) * 2002-10-18 2004-05-13 Mitsui High Tec Inc Method for manufacturing element of belt for continuously variable transmission
JP2003158798A (en) * 2002-11-27 2003-05-30 Victor Co Of Japan Ltd Method for producing diaphragm of speaker
CN104028639A (en) * 2014-06-24 2014-09-10 梧州恒声电子科技有限公司 Manufacturing process of loudspeaker frame made of ultra-thin roll materials
CN104384312A (en) * 2014-10-10 2015-03-04 祥鑫科技股份有限公司 Method for processing Z-shaped bending parts with holes
CN105901971A (en) * 2016-04-15 2016-08-31 宁波卡利亚厨卫科技有限公司 Cabinet body manufacture technique
CN214032694U (en) * 2020-11-11 2021-08-24 重庆川普机械有限公司 Surface treatment device for workpiece machining
CN112893561A (en) * 2021-01-15 2021-06-04 滁州美杰精密部件制造有限公司 Top cover bending process convenient to install

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