CN110744264A - Machining process method of hardware fitting of electronic product - Google Patents
Machining process method of hardware fitting of electronic product Download PDFInfo
- Publication number
- CN110744264A CN110744264A CN201910856316.3A CN201910856316A CN110744264A CN 110744264 A CN110744264 A CN 110744264A CN 201910856316 A CN201910856316 A CN 201910856316A CN 110744264 A CN110744264 A CN 110744264A
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- Prior art keywords
- hardware
- hardware fitting
- treatment
- plate
- cnc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention relates to the technical field of machining, in particular to a machining process method of hardware accessories of electronic products, which comprises S1 and blank pretreatment; s2, punching and blanking; s3, punching a machine tool plate; s4, tapping and riveting the plate; s5, bending the plate in a three-dimensional manner; s6, performing finish machining on the three-dimensional part; s7, grinding the surface of the three-dimensional part; s8, performing antiseptic treatment; s9, cleaning; s10, packaging, and compared with the traditional aluminum CNC direct processing technology, the method adopts CNC to process local precision after hardware is stamped, so that the CNC processing times and the waste of raw materials can be reduced, the processing period is shortened, and the labor and the cost are reduced. In addition, the invention adopts the technology of carrying out antiseptic treatment after the surface of the product is ground by the grinder, so that the antiseptic effect of the surface of the product is further improved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a machining process method for hardware accessories of electronic products.
Background
In the prior art, after machining, workpieces with fine holes such as electronic product hardware accessories and the like need to be subjected to various surface treatments such as grinding, polishing, cleaning, anodizing, dyeing and the like, the fine holes of the workpieces are often polluted or blocked, particularly, once the fine holes of the long and thin deep holes on the workpieces are polluted or blocked, the workpieces are very difficult to clean, the existing machining processes are mainly CNC (computer numerical control) direct machining or punch forming processes, the two processes are large in raw material waste amount and poor in forming precision, and therefore a mechanical machining process method of the electronic product hardware accessories is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects of large raw material waste amount and poor forming precision of the existing processing technology in the prior art, and provides a mechanical processing technology method for hardware fittings of electronic products.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mechanical processing technique for hardware fittings of electronic products is designed, which comprises the following steps:
s1, blank pretreatment: carrying out preliminary polishing and rust removal on the blank, carrying out calendering treatment to obtain a raw material sheet, and uniformly coating stamping oil on the surface of the raw material sheet for later use;
s2, punching and blanking: transferring the raw material sheet coated with the stamping oil to blanking equipment to perform plate blanking according to the design size;
s3, punching of a machine tool plate: transferring the blanked plate to the position below a punch press to perform punching operation by matching with a punching die to obtain a hardware fitting semi-finished product;
s4, tapping and pressure riveting of plates: flanging the hardware fitting semi-finished product obtained in the step S3, preliminarily drilling an assembling hole and tapping;
s5, three-dimensional bending of the plate: folding the plate subjected to tapping and pressure riveting into a three-dimensional part from a flat plate;
s6, finishing the three-dimensional part: clamping the three-dimensional part on a CNC (computer numerical control) lathe, inputting a machining program on the CNC lathe, performing cutting accurate machining on the edge side of the hardware fitting, and performing workpiece self-inspection on a semi-finished product of the hardware fitting after the CNC lathe is finished;
s7, grinding the surface of the three-dimensional part: moving the hardware fittings qualified by self-inspection to a plane grinder for grinding treatment;
s8, antiseptic treatment: plugging a rubber column in the assembly hole of the hardware fitting after grinding treatment and performing anti-corrosion treatment;
s9, cleaning: performing air drying treatment on the workpiece subjected to the anti-corrosion treatment, aligning a cleaning needle with high water pressure to an assembly hole of the hardware fitting, spraying a high-pressure water column into the assembly hole of the hardware fitting through the cleaning needle, forming a high-speed high-pressure vortex in the assembly hole of the hardware fitting by the high-pressure water column, cleaning the assembly hole of the hardware fitting, removing a rubber column, and performing air drying again to obtain a finished hardware fitting product;
and S10, packaging.
Preferably, in step S1, the blank is AL aluminum material, and the stamping oil is stamping oil of a sulfur-chlorine composite additive.
Preferably, in step S2, the flat plate member structure after the part is spread out on the plate material is punched and formed by a punch press in one or more steps.
Preferably, the stamping die is a convex package die.
Preferably, the corrosion prevention treatment is chromate oxidation treatment.
Preferably, when the surface of the three-dimensional part is ground by the plane grinding machine, the grinding working track is in linear reciprocating motion or 8-shaped motion, and the surface of the three-dimensional part is ground until no tool line is machined by the CNC machine.
The mechanical processing process method for hardware accessories of electronic products, provided by the invention, has the beneficial effects that: compared with the traditional CNC direct processing technology for the aluminum material, the CNC is adopted for local precision processing after hardware is stamped, so that the CNC processing times and the waste of raw materials can be reduced, the processing period is shortened, and the labor and the cost are reduced. In addition, the invention adopts the technology of carrying out antiseptic treatment after the surface of the product is ground by the grinder, so that the antiseptic effect of the surface of the product is further improved.
Drawings
Fig. 1 is a schematic view of a machining process of an electronic product hardware fitting according to 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.
Referring to fig. 1, a machining process method for hardware fittings of electronic products includes the following steps:
s1, blank pretreatment: carrying out preliminary polishing and rust removal on a blank, carrying out calendaring treatment to obtain a raw material sheet, and uniformly coating stamping oil on the surface of the raw material sheet for later use, wherein the blank is an AL aluminum material, and the stamping oil is stamping oil of a sulfur-chlorine compound additive;
s2, punching and blanking: transferring the raw material sheet coated with the stamping oil to blanking equipment to perform plate blanking according to the design size;
s3, punching of a machine tool plate: transferring the blanked plate to the position below a punch press to perform punching operation by matching with a punching die to obtain a hardware fitting semi-finished product, wherein the punching die is a convex hull die, and the plate structure after the part is unfolded on the plate is punched and formed by adopting the punch press in one step or multiple steps;
s4, tapping and pressure riveting of plates: flanging the hardware fitting semi-finished product obtained in the step S3, preliminarily drilling an assembling hole and tapping;
s5, three-dimensional bending of the plate: folding the plate subjected to tapping and pressure riveting into a three-dimensional part from a flat plate;
s6, finishing the three-dimensional part: clamping the three-dimensional part on a CNC (computer numerical control) lathe, inputting a machining program on the CNC lathe, performing cutting accurate machining on the edge side of the hardware fitting, and performing workpiece self-inspection on a semi-finished product of the hardware fitting after the CNC lathe is finished;
s7, grinding the surface of the three-dimensional part: moving the qualified hardware fittings to a plane grinding machine for grinding, wherein when a plane grinding machine table grinds the surface of the three-dimensional part, the grinding working track is in linear reciprocating motion or 8-shaped motion, and the surface of the three-dimensional part is ground until no tool lines of CNC machining exist;
s8, antiseptic treatment: plugging a rubber column in the assembly hole of the hardware fitting after the grinding treatment and performing anti-corrosion treatment, wherein the anti-corrosion treatment is chromate oxidation treatment;
s9, cleaning: performing air drying treatment on the workpiece subjected to the anti-corrosion treatment, aligning a cleaning needle with high water pressure to an assembly hole of the hardware fitting, spraying a high-pressure water column into the assembly hole of the hardware fitting through the cleaning needle, forming a high-speed high-pressure vortex in the assembly hole of the hardware fitting by the high-pressure water column, cleaning the assembly hole of the hardware fitting, removing a rubber column, and performing air drying again to obtain a finished hardware fitting product;
and S10, packaging.
Compared with the traditional CNC direct processing technology for the aluminum material, the CNC is adopted for local precision processing after hardware is stamped, so that the CNC processing times and the waste of raw materials can be reduced, the processing period is shortened, and the labor and the cost are reduced. In addition, the invention adopts the technology of carrying out antiseptic treatment after the surface of the product is ground by the grinder, so that the antiseptic effect of the surface of the product is further improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A mechanical processing technique for hardware fittings of electronic products is characterized by comprising the following steps:
s1, blank pretreatment: carrying out preliminary polishing and rust removal on the blank, carrying out calendering treatment to obtain a raw material sheet, and uniformly coating stamping oil on the surface of the raw material sheet for later use;
s2, punching and blanking: transferring the raw material sheet coated with the stamping oil to blanking equipment to perform plate blanking according to the design size;
s3, punching of a machine tool plate: transferring the blanked plate to the position below a punch press to perform punching operation by matching with a punching die to obtain a hardware fitting semi-finished product;
s4, tapping and pressure riveting of plates: flanging the hardware fitting semi-finished product obtained in the step S3, preliminarily drilling an assembling hole and tapping;
s5, three-dimensional bending of the plate: folding the plate subjected to tapping and pressure riveting into a three-dimensional part from a flat plate;
s6, finishing the three-dimensional part: clamping the three-dimensional part on a CNC (computer numerical control) lathe, inputting a machining program on the CNC lathe, performing cutting accurate machining on the edge side of the hardware fitting, and performing workpiece self-inspection on a semi-finished product of the hardware fitting after the CNC lathe is finished;
s7, grinding the surface of the three-dimensional part: moving the hardware fittings qualified by self-inspection to a plane grinder for grinding treatment;
s8, antiseptic treatment: plugging a rubber column in the assembly hole of the hardware fitting after grinding treatment and performing anti-corrosion treatment;
s9, cleaning: performing air drying treatment on the workpiece subjected to the anti-corrosion treatment, aligning a cleaning needle with high water pressure to an assembly hole of the hardware fitting, spraying a high-pressure water column into the assembly hole of the hardware fitting through the cleaning needle, forming a high-speed high-pressure vortex in the assembly hole of the hardware fitting by the high-pressure water column, cleaning the assembly hole of the hardware fitting, removing a rubber column, and performing air drying again to obtain a finished hardware fitting product;
and S10, packaging.
2. The method according to claim 1, wherein in step S1, the blank is AL aluminum, and the stamping oil is a stamping oil containing a sulfur-chlorine compound additive.
3. The method as claimed in claim 1, wherein the flat plate structure after the parts are spread out is punched and formed on the plate material by a punch in one or more steps in step S2.
4. The mechanical processing method for hardware accessories of electronic products as claimed in claim 1, wherein the stamping die is a convex die.
5. The mechanical processing method for hardware fittings of electronic products as claimed in claim 1, wherein said anticorrosion treatment is chromate oxidation treatment.
6. The mechanical processing method for electronic product hardware accessories according to claim 1, wherein when the plane grinding machine performs surface grinding of the three-dimensional part, the grinding operation track is linear reciprocating motion or 8-shaped motion, and the surface of the three-dimensional part is ground until the tool lines of CNC machining are not available.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910856316.3A CN110744264A (en) | 2019-09-11 | 2019-09-11 | Machining process method of hardware fitting of electronic product |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910856316.3A CN110744264A (en) | 2019-09-11 | 2019-09-11 | Machining process method of hardware fitting of electronic product |
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| CN110744264A true CN110744264A (en) | 2020-02-04 |
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| CN201910856316.3A Pending CN110744264A (en) | 2019-09-11 | 2019-09-11 | Machining process method of hardware fitting of electronic product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378577A (en) * | 2022-01-18 | 2022-04-22 | 广州明珞装备股份有限公司 | Automatic processing production process of white automobile body casting parts |
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| CN104385046A (en) * | 2014-10-27 | 2015-03-04 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for cleaning runner holes of bearing casing part of engine |
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| CN105420719A (en) * | 2015-12-28 | 2016-03-23 | 常熟市浩然精工机械制造有限公司 | Metal plate surface blackening process |
| CN105750829A (en) * | 2014-12-17 | 2016-07-13 | 重庆界威模具股份有限公司 | Sheet metal processing technology |
| CN109955120A (en) * | 2017-12-25 | 2019-07-02 | 丹阳市延陵镇度越五金厂 | A kind of hardware processing of surface polishing |
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2019
- 2019-09-11 CN CN201910856316.3A patent/CN110744264A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614154B2 (en) * | 1977-06-29 | 1981-04-02 | ||
| CN201605339U (en) * | 2010-01-22 | 2010-10-13 | 深圳市永祥圣科技有限公司 | Microhole stopper |
| CN102554586A (en) * | 2010-12-17 | 2012-07-11 | 上海无线电设备研究所 | Double-sided precision machining method for large-plane thin-walled parts |
| CN102205487A (en) * | 2011-04-29 | 2011-10-05 | 兴威电脑（昆山）有限公司 | Method for machining metal plate by using laser cutting and numerical control press |
| CN104385046A (en) * | 2014-10-27 | 2015-03-04 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for cleaning runner holes of bearing casing part of engine |
| CN105750829A (en) * | 2014-12-17 | 2016-07-13 | 重庆界威模具股份有限公司 | Sheet metal processing technology |
| CN104618532A (en) * | 2014-12-30 | 2015-05-13 | 广东欧珀移动通信有限公司 | Processing method of metal bottom housing of phone |
| CN105081073A (en) * | 2015-09-01 | 2015-11-25 | 无锡贺邦金属制品有限公司 | Plate stamping process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378577A (en) * | 2022-01-18 | 2022-04-22 | 广州明珞装备股份有限公司 | Automatic processing production process of white automobile body casting parts |
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Application publication date: 20200204 |