CN110602585A - Processing equipment and process for earphone decorative earmuffs - Google Patents

Processing equipment and process for earphone decorative earmuffs Download PDF

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Publication number
CN110602585A
CN110602585A CN201910882758.5A CN201910882758A CN110602585A CN 110602585 A CN110602585 A CN 110602585A CN 201910882758 A CN201910882758 A CN 201910882758A CN 110602585 A CN110602585 A CN 110602585A
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CN
China
Prior art keywords
flattening
bending
steel sheet
punching
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910882758.5A
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Chinese (zh)
Inventor
徐楠集
徐开敬
王永嵩
徐海
苏波
陈新建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Jiaxinyuan Technology Industrial Co Ltd
Original Assignee
Shenzhen Jiaxinyuan Technology Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Jiaxinyuan Technology Industrial Co Ltd filed Critical Shenzhen Jiaxinyuan Technology Industrial Co Ltd
Priority to CN201910882758.5A priority Critical patent/CN110602585A/en
Publication of CN110602585A publication Critical patent/CN110602585A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058Manufacture or assembly
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H04R2201/105Manufacture of mono- or stereophonic headphone components

Abstract

The invention discloses a processing device and a processing technology of earphone decorative earmuffs, which relate to the field of earphone processing, and the technical scheme is characterized by comprising the following steps: s1: preparing raw materials, namely unfolding a coiled steel strip, modulating, cutting off the steel strip, and cutting the steel strip into a plurality of steel sheets with the same length; s2: trimming, namely cutting the steel sheet into a basic shape of the product before bending; s3: punching, namely punching a plurality of decoration holes required in the later period on the steel sheet on a punching machine; s4: bending the steel sheet for the first time along the width direction of the steel sheet; s5: bending the steel sheet after the primary bending along the width direction of the steel sheet; s6: and flattening, namely placing the product subjected to secondary bending on a flattening die, and flattening the wrinkles generated on the workpiece. The invention has the effect of reducing wrinkles generated in the processing process of the earmuffs.

Description

Processing equipment and process for earphone decorative earmuffs
Technical Field
The invention relates to the field of earphone processing, in particular to processing equipment and a processing technology of earphone decorative earmuffs.
Background
Earphones, one of entertainment products for people, are widely used in people's lives. As an important accessory for mobile devices. Taking a smart phone as an example, the earphone enables a smart phone user to hear sound information contained in an audio file or a video file played by the smart phone without affecting others. This enables people to listen to music, practice foreign language hearing, and the like, anytime and anywhere. In order to increase the whole of earphone pleasing to the eye, increased the decoration ear muff now on the earphone, the processing of decorating the ear muff needs the process of bending twice, after decorating the ear muff and bending twice, the bottom of ear muff can produce the fold, is unfavorable for the whole of ear muff pleasing to the eye.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a processing technology of an earphone decorative earmuff, which can reduce wrinkles generated in the processing process of the earmuff.
In order to achieve the purpose, the invention provides the following technical scheme: a processing technology of earphone decorative earmuffs is characterized by comprising the following steps:
s1: preparing raw materials, namely unfolding a coiled steel strip, modulating, cutting off the steel strip, and cutting the steel strip into a plurality of steel sheets with the same length;
s2: trimming, namely cutting the steel sheet into a basic shape of the product before bending;
s3: punching, namely punching a plurality of decoration holes required in the later period on the steel sheet on a punching machine;
s4: bending the steel sheet for the first time along the width direction of the steel sheet;
s5: bending the steel sheet after the primary bending along the width direction of the steel sheet;
s6: and flattening, namely placing the product subjected to secondary bending on a flattening die, and flattening the wrinkles generated on the workpiece.
Through adopting above-mentioned technical scheme, the steel sheet is after the secondary is bent, and the edge of work piece can produce the fold, and at the in-process that flattens, can be flattened by the mould that flattens with the fold of mould butt that flattens, and the back is accomplished in the processing of flattening, and the fold that produces in the reduction earmuff course of working is flattened, increases the pleasing to the eye of product.
Object two of the present invention: a device used in a processing technology of earphone decorative earmuffs is characterized in that a flattening device is used in the step S6, and the flattening device comprises a flattening rack, a pushing piece fixed at the top end of the flattening rack, a flattening die pushed by the pushing piece and a flattening workbench fixed at the bottom end of the flattening rack; the surface of the flattening workbench is in a circular arc shape matched with the shape of the steel sheet after the steel sheet is bent for the second time, and a matching block matched with the shape of the steel sheet after the steel sheet is bent for the first time is fixed on the surface of the flattening workbench; and when the steel sheet after the secondary bending is placed on the flattening workbench, the surface of the steel sheet is attached to the flattening workbench.
Through adopting above-mentioned technical scheme, on the workstation flattens was placed to the steel sheet, the edge of steel sheet and the surperficial butt of the workstation that flattens, the shape looks adaptation after cooperation piece and the steel sheet are once bent plays the supporting role to the circular arc that the steel sheet is once buckled and is formed, prevents to flatten the in-process, and the bending before the steel sheet causes the harm, increases the stability that the steel sheet flattened the in-process.
The invention is further configured to: the flattening die comprises a connecting plate fixed on a piston rod of the flattening hydraulic cylinder and a flattening die arranged at the bottom end of the connecting plate; a connecting block is fixed on one side of the connecting plate close to the flattening die, and a connecting groove for inserting the connecting block is formed in one end of the flattening die close to the connecting plate; the connecting block has magnetism, and the spread groove is iron material.
Through adopting above-mentioned technical scheme, the magnetism cooperation between connecting block and the spread groove is convenient to be changed the flattening die, can trade the flattening die of getting different shapes to the steel sheet of different shapes, increases the flexibility of using.
The invention is further configured to: the cross sections of the connecting blocks and the connecting grooves are square.
Through adopting above-mentioned technical scheme, square connecting block and spread groove can prevent to produce relative rotation each other, increase the stability of flattening die holding and during operation.
The invention is further configured to: the punching process needs to use a punching device, and the punching device comprises a punching rack, a punching hydraulic cylinder with a cylinder body fixed at the top end of the punching rack, a punching die fixed on the punching hydraulic cylinder and a punching workbench fixed at the bottom end of the punching rack; and a limiting groove for placing the steel belt is formed in the punching workbench.
Through adopting above-mentioned technical scheme, the spacing groove of seting up on the workstation punches a hole can make the steel sheet can both place the same position at every turn for every steel sheet can both punch a hole in the same position, increases the stability of punching a hole.
The invention is further configured to: the primary bending device comprises a primary bending rack, a primary bending hydraulic cylinder fixed on the primary bending rack, a primary bending die fixed on a piston rod of the primary bending hydraulic cylinder, a primary bending workbench fixed at the bottom end of the primary bending rack and an ejection assembly arranged at the bottom end of the primary bending workbench; the top end of the one-time bending die is fixed with a one-time bending lug, and a one-time bending groove matched with the one-time bending lug is formed in the one-time bending workbench.
By adopting the technical scheme, when one side is bent, the steel sheet is difficult to take out due to the fact that the steel sheet can be clamped in the groove which is bent at one time due to toughness, the ejection assembly ejects the steel sheet clamped in the groove which is bent at one time, and the steel sheet which is bent at one time is convenient to take out from the groove which is bent at one time.
The invention is further configured to: a vertical chute is arranged on the primary bending workbench; the ejection assembly comprises a support frame fixed at the bottom end of the primary bending workbench, an ejection rod sliding in the chute and an elastic piece driving the ejection rod to move in the direction away from the support frame.
By adopting the technical scheme, when the steel sheet is bent for the first time, the steel sheet is driven by the protruding block for the first time to move towards the direction close to the groove for the first time, and the steel sheet can drive the ejector rod to move towards the direction close to the support frame; after the primary bending convex block leaves from the primary bending groove, the ejection just moves towards the direction far away from the support frame under the action of the elastic piece, so that the steel sheet positioned in the primary bending groove is ejected out, and the steel sheet can be conveniently taken out from the primary bending groove.
The invention is further configured to: the elastic piece is a spring; and a limiting ring with the radius larger than that of the sliding groove is fixed on the ejection rod, and two ends of the spring are respectively abutted against the limiting ring and the supporting frame.
Through adopting above-mentioned technical scheme, spring simple to operate, the cost is lower, and the spacing groove not only accepts the elasticity of spring with the spring butt, can also prevent that the knock-out lever from breaking away from in the spout, increases the stability of knock-out lever work.
In conclusion, the beneficial technical effects of the invention are as follows:
1. after the steel sheet is bent for the second time, the edge of the workpiece can generate wrinkles, the wrinkles abutted to the flattening die can be flattened by the flattening die in the flattening process, and the wrinkles are flattened after the flattening processing is finished, so that the wrinkles generated in the earmuff processing process are reduced, and the attractiveness of a product is improved;
2. the connection blocks are in magnetic fit with the connection grooves, so that the flattening dies are convenient to replace, the flattening dies in different shapes can be replaced aiming at steel sheets in different shapes, and the use flexibility is improved;
3. the steel sheet is driven by the primary bending lug to move towards the direction close to the primary bending groove, and the steel sheet can drive the ejector rod to move towards the direction close to the support frame; after the primary bending convex block leaves from the primary bending groove, the ejection just moves towards the direction far away from the support frame under the action of the elastic piece, so that the steel sheet positioned in the primary bending groove is ejected out, and the steel sheet can be conveniently taken out from the primary bending groove.
Drawings
FIG. 1 is a schematic structural view of a trimming die;
FIG. 2 is a schematic structural view of a punching apparatus;
FIG. 3 is a schematic structural view of a primary bending apparatus;
FIG. 4 is a cross-sectional view of the ejection assembly;
FIG. 5 is a schematic structural view of a secondary bending apparatus;
FIG. 6 is a schematic view of the platen;
FIG. 7 is a schematic view of a flattening die.
In the figure: 1. trimming the die; 11. trimming the lower die; 111. a protrusion; 12. trimming an upper die; 2. a punching device; 21. a punching machine frame; 22. a punching hydraulic cylinder; 23. punching a die; 24. a punching workbench; 241. a limiting groove; 242. a through hole; 3. primary bending equipment; 31. bending the frame for the first time; 32. bending the hydraulic cylinder for the first time; 33. a primary bending die; 331. bending the convex block for the first time; 34. bending the workbench for the first time; 341. bending the groove for the first time; 3411. a chute; 35. ejecting the assembly; 351. a support frame; 352. ejecting the rod; 3521. a limiting ring; 353. a spring; 4. secondary bending equipment; 41. bending the machine frame for the second time; 42. a secondary bending hydraulic cylinder; 43. a secondary bending die; 431. bending the convex block for the second time; 44. a secondary bending workbench; 441. bending the groove for the second time; 5. a flattening device; 51. flattening the frame; 52. a flattening hydraulic cylinder; 53. flattening the die; 531. a connecting plate; 5311. connecting blocks; 532. flattening the die; 5321. connecting grooves; 54. flattening the workbench; 541. and (6) matching the blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a processing device and a processing technology of earphone decorative earmuffs comprise the following steps:
s1: preparing raw materials, namely unfolding a coiled steel belt, placing the steel belt on a straightening machine for modulation, cutting the steel belt into sections after straightening is finished, and cutting the steel belt into a plurality of rectangular steel sheets with the same length;
s2: and (4) trimming, namely cutting the steel sheet, and cutting the steel sheet into a basic shape of the product before bending.
Referring to fig. 1, the trimming process requires a trimming die 1, and the trimming die 1 includes a trimming lower die 11 and a trimming upper die 12. A bulge 111 is fixed on the trimming lower die 11, and the shape of the bulge 111 is the same as the basic shape of the product before bending; the trimming upper die 12 is provided with a groove matched with the protrusion 111. The trimming die 1 is arranged on a press, when trimming is carried out, the trimming upper die 12 moves towards the direction close to the trimming lower die 11, the bulge 111 is matched with the groove, and the steel sheet is cut into the shape of the bulge 111;
s3: punching holes, wherein a plurality of decoration holes are formed in the surface of the decoration earmuffs, and the decoration holes are punched in the surface of the steel sheet before bending.
Referring to fig. 2, the punching device 2 is required for the punching process, and the punching device 2 includes a punching frame 21, a punching hydraulic cylinder 22 with a cylinder body fixed on the top end of the punching frame 21, a punching die 23 fixed on the punching hydraulic cylinder 22, and a punching worktable 24 fixed on the bottom end of the punching frame 21. The punching workbench 24 and the punching die 23 are vertically overlapped, a plurality of through holes 242 are formed in the punching workbench 24, and protrusions matched with the through holes 242 are fixed on the punching die 23. The punching workbench 24 is further provided with a limiting groove 241, the width of the limiting groove 241 is the same as that of the steel sheet, and the through hole 242 is formed in the limiting groove 241.
Placing the steel sheet after trimming into the limiting groove 241, extending a piston rod of the punching hydraulic cylinder 22, and driving the punching die 23 to punch a decorative hole on the steel sheet placed in the limiting groove 241 towards the position close to the punching workbench 24;
s4: and bending the steel sheet at one time along the width direction of the steel sheet.
Referring to fig. 3, a primary bending device 3 is required for primary bending, and the primary bending device 3 includes a primary bending frame 31, a primary bending hydraulic cylinder 32 fixed on the primary bending frame 31, a primary bending mold 33 fixed on a piston rod of the primary bending hydraulic cylinder 32, a primary bending worktable 34 fixed at the bottom end of the primary bending frame 31, and an ejection assembly 35 arranged at the bottom end of the primary bending worktable 34. A primary bending protrusion 331 is fixed at the top end of the primary bending die 33, and a primary bending groove 341 matched with the primary bending protrusion 331 is formed on the primary bending worktable 34. After the steel sheet is placed at the top end of the primary bending workbench 34, a piston rod of the primary bending hydraulic cylinder 32 extends out to drive the primary bending lug 331 to move, so that the steel sheet is squeezed into the primary bending groove 341, and primary bending of the steel sheet is completed.
Referring to fig. 4, a vertical sliding groove 3411 is formed in the primary bending table 34. The ejector assembly 35 includes a support frame 351 fixed to the bottom end of the primary bending table 34, an ejector rod 352 sliding in the slide groove 3411, and a spring 353 fitted around the ejector rod 352. A limit ring 3521 is fixed on the ejecting rod 352, and the radius of the limit ring 3521 is larger than that of the sliding groove 3411. The two ends of the spring 353 are respectively abutted to the support frame 351 and the limit ring 3521, and the spring 353 drives the ejection rod 352 to move towards the direction far away from the support frame 351.
S5: and secondary bending, namely bending the steel sheet after the primary bending along the width direction of the steel sheet.
Referring to fig. 5, the secondary bending device 4 is required for secondary bending, and the secondary bending device 4 includes a secondary bending frame 41, a secondary bending hydraulic cylinder 42 fixed on the secondary bending frame 41, a secondary bending mold 43 fixed on a piston rod of the secondary bending hydraulic cylinder 42, and a secondary bending worktable 44 fixed at the bottom end of the secondary bending frame 41.
A secondary bending convex block 431 is fixed at the top end of the secondary bending die 43, and a secondary bending groove 441 matched with the secondary bending convex block 431 is formed on the secondary bending workbench 44. After the steel sheet is placed at the top end of the secondary bending workbench 44, a piston rod of the secondary bending hydraulic cylinder 42 extends out to drive the secondary bending protrusion 431 to move, so that the steel sheet is extruded into the secondary bending groove 441, and secondary bending of the steel sheet is completed.
S6, flattening, namely placing the product after secondary bending on a flattening die, and flattening the wrinkles generated on the workpiece.
Referring to fig. 6, a flattening device 5 is used for flattening, and the flattening device 5 includes a flattening frame 51, a flattening hydraulic cylinder 52 fixed at the top end of the flattening frame 51, a flattening mold 53 fixed on a piston rod of the flattening hydraulic cylinder 52, and a flattening table 54 fixed at the bottom end of the flattening frame 51. The surface of the flattening workbench 54 is arc-shaped and is matched with the shape of the steel sheet after secondary bending; a matching block 541 is fixed on the surface of the flattening workbench 54 and is matched with the shape of the steel sheet after being bent for one time; after the steel sheet after the secondary bending is placed on the flattening workbench 54, the surface can be completely attached to the flattening workbench 54.
During the flattening process, the flattening die 53 moves in a direction close to the flattening table 54, and the workpiece placed on the flattening table 54 is brought into close contact with the flattening table 54 and is continuously pressed. The workpiece is contacted with the flattening workbench 54 to form a plurality of wrinkles, and the wrinkles on the contact surface are tightly abutted against the flattening workbench 54 in the pressing process of the flattening die 53 until the wrinkles are flattened.
Referring to fig. 7, the leveling die 53 includes a connecting plate 531 fixed to the piston rod of the leveling cylinder 52 and a leveling die 532 disposed at the bottom end of the connecting plate 531. A connecting block 5311 is fixed on one side of the connecting plate 531 close to the flattening die 532, a connecting groove 5321 is formed in one end of the flattening die 532 close to the connecting plate 531, and the connecting block 5311 can be inserted into the connecting groove 5321. The connecting block 5311 has magnetism, the connecting groove 5321 is made of a ferrous material, and the connecting block 5311 and the connecting groove 5321 have square sections. The shape of the bottom end of the flattening die 532 is adapted to the shape of the flattening table 54.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (8)

1. A processing technology of earphone decorative earmuffs is characterized by comprising the following steps:
s1: preparing raw materials, namely unfolding a coiled steel strip, modulating, cutting off the steel strip, and cutting the steel strip into a plurality of steel sheets with the same length;
s2: trimming, namely cutting the steel sheet into a basic shape of the product before bending;
s3: punching, namely punching a plurality of decoration holes required in the later period on the steel sheet on a punching machine;
s4: bending the steel sheet for the first time along the width direction of the steel sheet;
s5: bending the steel sheet after the primary bending along the width direction of the steel sheet;
s6: and flattening, namely placing the product subjected to secondary bending on a flattening die, and flattening the wrinkles generated on the workpiece.
2. An apparatus for processing the ear cover of the earphone as claimed in claim 1, wherein: the step S6 uses a flattening device (5), wherein the flattening device (5) comprises a flattening rack (51), a pushing piece fixed at the top end of the flattening rack (51), a flattening die (53) pushed by the pushing piece and a flattening workbench (54) fixed at the bottom end of the flattening rack (51); the surface of the flattening workbench (54) is in a circular arc shape matched with the shape of the steel sheet after the steel sheet is bent for the second time, and a matching block (541) matched with the shape of the steel sheet after the steel sheet is bent for the first time is fixed on the surface of the flattening workbench (54); when the steel sheet after the secondary bending is placed on the flattening workbench (54), the surface of the steel sheet is attached to the flattening workbench (54).
3. The apparatus for processing earphone decorative earmuffs according to claim 2, wherein: the flattening die (53) comprises a connecting plate (531) fixed on a piston rod of the flattening hydraulic cylinder (52) and a flattening die (532) arranged at the bottom end of the connecting plate (531); a connecting block (5311) is fixed on one side of the connecting plate (531) close to the flattening die (532), and a connecting groove (5321) for inserting the connecting block (5311) is formed in one end of the flattening die (532) close to the connecting plate (531); the connecting block (5311) is magnetic, and the connecting groove (5321) is made of an iron material.
4. The apparatus for processing earphone decorative earmuffs according to claim 3, wherein: the cross sections of the connecting blocks (5311) and the connecting grooves (5321) are square.
5. The apparatus for manufacturing the ear cover of the earphone of claim 1 comprises: the punching device (2) is needed in the punching process, and the punching device (2) comprises a punching rack (21), a punching hydraulic cylinder (22) with a cylinder body fixed at the top end of the punching rack (21), a punching die (23) fixed on the punching hydraulic cylinder (22) and a punching workbench (24) fixed at the bottom end of the punching rack (21); and a limiting groove (241) for placing a steel belt is formed in the punching workbench (24).
6. An apparatus for processing the ear cover of the earphone as claimed in claim 1, wherein: the primary bending device (3) is needed to be used for primary bending, and the primary bending device (3) comprises a primary bending rack (31), a primary bending hydraulic cylinder (32) fixed on the primary bending rack (31), a primary bending die (33) fixed on a piston rod of the primary bending hydraulic cylinder (32), a primary bending workbench (34) fixed at the bottom end of the primary bending rack (31), and an ejection assembly (35) arranged at the bottom end of the primary bending workbench (34); a primary bending lug (331) is fixed at the top end of the primary bending die (33), and a primary bending groove (341) matched with the primary bending lug (331) is formed in the primary bending workbench (34).
7. The apparatus for processing earphone decorative earmuffs according to claim 6, wherein: a vertical sliding groove (3411) is formed in the primary bending workbench (34); the ejection assembly (35) comprises a support frame (351) fixed at the bottom end of the primary bending workbench (34), an ejection rod (352) sliding in the sliding groove (3411) and an elastic piece driving the ejection rod (352) to move towards the direction far away from the support frame (351).
8. The apparatus for processing earphone decorative earmuffs according to claim 7, wherein: the elastic piece is a spring (353); a limiting ring (3521) with the radius larger than that of the sliding groove (3411) is fixed on the ejection rod (352), and two ends of the spring (353) are respectively abutted against the limiting ring (3521) and the supporting frame (351).
CN201910882758.5A 2019-09-18 2019-09-18 Processing equipment and process for earphone decorative earmuffs Pending CN110602585A (en)

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Application Number Priority Date Filing Date Title
CN201910882758.5A CN110602585A (en) 2019-09-18 2019-09-18 Processing equipment and process for earphone decorative earmuffs

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Application Number Priority Date Filing Date Title
CN201910882758.5A CN110602585A (en) 2019-09-18 2019-09-18 Processing equipment and process for earphone decorative earmuffs

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CN110602585A true CN110602585A (en) 2019-12-20

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CN109047597A (en) * 2018-07-26 2018-12-21 重庆市皓峰模具有限公司 A kind of buckle processing method and its composite die
CN109037999A (en) * 2018-08-08 2018-12-18 宁波公牛精密制造有限公司 Socket copper bar, socket and socket copper bar processing technology
CN108787897A (en) * 2018-09-03 2018-11-13 常州信息职业技术学院 A kind of integral type bending perforating mold
CN109413562A (en) * 2018-12-29 2019-03-01 歌尔股份有限公司 Processing method, front cover and the sounding device of front cover
CN212190744U (en) * 2019-12-31 2020-12-22 常州特丽特光电科技有限公司 Advertisement casting word strake flanging machine

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