CN107414417B - Manufacturing method of novel high-voltage module power supply shell - Google Patents
Manufacturing method of novel high-voltage module power supply shell Download PDFInfo
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- CN107414417B CN107414417B CN201710471161.2A CN201710471161A CN107414417B CN 107414417 B CN107414417 B CN 107414417B CN 201710471161 A CN201710471161 A CN 201710471161A CN 107414417 B CN107414417 B CN 107414417B
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- power supply
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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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/04—Metal casings
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to a manufacturing method of a novel high-voltage module power supply shell. Cutting a shell section according to the designed height of a high-voltage module power supply shell to form a shell, milling a section of shell wall along the periphery of a polygonal inner cavity on the upper surface and the lower surface of the shell to form a circle of sinking platform respectively, milling a section of slot II with a closed opening in the polygonal inner cavity on the upper end of the shell to form a grounding slot III, forming two pairs of PCB welding plate fixing slots by two slots I correspondingly arranged in the inner cavity of the shell, cutting down a section of outer angle on the shell respectively, forming a boss at the lower ends of the two cutting surfaces respectively, and arranging fixing holes on the two boss surfaces respectively; manufacturing a cover plate and a bottom plate according to the shape of polygonal inner cavities at the upper end and the lower end of the shell; the grounding screw is connected to the grounding groove III in the cavity of the shell in a threaded manner, and the cover plate and the bottom plate are respectively buckled on a circle of sinking tables at the upper end and the lower end of the shell. The characteristics are that: the design of the grounding groove III ensures that the shell is grounded more reliably and plays a role in shielding.
Description
Technical Field
The invention relates to a manufacturing method of a novel high-voltage module power supply shell applied to instruments and equipment in different fields such as medical equipment, environmental protection and dust removal, laser infrared, radar navigation and the like.
Background
The high-voltage module power supply shell in the market is various in variety, but the cost consideration and the importance degree of the shell are insufficient, the appearance of many shells is rough and attractive, the processing precision is poor, and the process flow is not standard. The common shell adopts a numerical control machine milling mode, the cost of the mode for manufacturing the shell is very high, the raw material utilization rate in the manufacturing process is low, the method is suitable for manufacturing curved surfaces or special-shaped shells with smaller volumes, the high-voltage module power supply shell is approximately cuboid, the appearance is larger than the middle moment of the curved surfaces or special-shaped compared middle gauge, the shell is larger in volume, and the numerical control milling mode is not suitable for cost and raw material utilization rate.
The shell is manufactured by adopting the die extrusion, which is also a common manufacturing mode in the market, but because the die is worn out by adopting the stamping mode, the replacement frequency is high, the maintenance and replacement cost of the die are improved, the machining precision is reduced along with the wear of the die, and the machining quality is affected.
In order to ensure the strength of the shell, the shell is made of iron, so that the component of the shell is increased in an intangible way, and the shell is not suitable for a high-voltage module power supply shell with a weight requirement.
Along with the expansion of the application range of the high-voltage module power supply, the requirements of the military fields such as aviation, aerospace, navigation, weaponry and the like are gradually increased, and the high-voltage module power supply shell with low cost, high processing quality, standardization, attractive appearance and miniaturization becomes a new requirement of users.
Disclosure of Invention
In view of the defects of shell manufacturing in the market, the invention provides a manufacturing method of a novel high-voltage module power supply shell, which has the advantages of low manufacturing cost, standard process, high processing precision, attractive appearance and serialization.
The invention adopts the technical proposal for realizing the aim that: a manufacturing method of a novel high-voltage module power supply shell is characterized by comprising the following steps of: the steps are as follows,
firstly, designing a shell profile;
the section of the shell section is rectangular, two corner faces corresponding to the inclined direction of the shell section are respectively provided with a through hole, and four outer corners of the shell section are arc faces;
the section of the inner cavity of the shell section is polygonal, two grooves I are symmetrically arranged on two long planes of the inner cavity of the shell section respectively, the two grooves I are vertically arranged at intervals, a groove II with a closed opening is vertically arranged on an arc face angle of the inner cavity, and threads are arranged in the groove II;
secondly, manufacturing a shell;
cutting a shell section according to the designed height of a high-voltage module power supply shell to form a shell, milling a section of shell wall along the periphery of a polygonal inner cavity on the upper surface and the lower surface of the shell to form a circle of sinking platform respectively, milling a section of slot II with a closed opening according to the designed height in the polygonal inner cavity on the upper end of the shell to form a grounding slot III after determining the upper end and the lower end of the shell, forming two pairs of PCB welding plate fixing slots by two slots I correspondingly arranged in the inner cavity of the shell, cutting down a section of outer angle respectively at the outer edge of the inclined side of the polygonal inner cavity respectively corresponding to two through holes on the upper end of the shell, forming a boss respectively at the lower ends of the two cut surfaces after cutting, and forming fixing holes by the through holes respectively arranged on the two boss surfaces;
thirdly, manufacturing a cover plate and a bottom plate;
manufacturing a cover plate and a bottom plate according to the shape of polygonal inner cavities at the upper end and the lower end of the shell, and drilling a round hole on the inner surface of the joint of a short plane and an inclined plane of the bottom plate;
fourth, assembling the power supply shell;
the grounding screw is screwed on the grounding groove III in the cavity of the shell,
the cover plate and the bottom plate are respectively buckled on a circle of sinking tables at the upper end and the lower end of the shell, and are fastened on the shell through jig pressure.
The beneficial effects of the invention are as follows:
the raw material adopted for manufacturing the section is alloy aluminum, the section is formed by performing chemical treatment on the alloy aluminum into a paste form, extruding the paste into a die, and finally cooling the reagent. The manufacturing mode greatly reduces the abrasion to the die, reduces the maintenance cost of the die, and has the characteristics of high processing precision, large batch forming, strong consistency and attractive appearance. Meanwhile, the alloy aluminum profile has light weight, high strength, strong toughness and long-lasting diameter, and no extra protection is required.
After the aluminum profile is manufactured into the shell, the surface treatment is various, the corrosion resistance is strong, the paint color adhesion is strong after passing through powder or an electrophoretic coating.
After the design of the shell section, the special shell section is manufactured through a die, the height of the special shell section can be cut at will, and the section is of various sizes, so that the high-voltage module power supply shell is serialized and standardized.
The grounding groove III and the shell are designed into a whole, so that the shell is more reliable and more convenient to ground, and the shell can play a shielding role for both inside and outside due to the grounding design in the high-voltage module power supply.
Drawings
FIG. 1 is an overall block diagram of a power supply housing of the present invention;
FIG. 2 is a schematic structural view of the profile of the present invention;
FIG. 3 is a schematic illustration of the profile processing of the present invention;
fig. 4 is an exploded view of the power supply housing of the present invention.
Detailed Description
As shown in fig. 1, 2, 3 and 4, a method for manufacturing a novel high-voltage module power supply shell comprises the following steps:
firstly, designing a shell profile;
the section of the shell section bar 1 is rectangular, two through holes 2 are respectively arranged on two corner faces corresponding to the inclined direction of the shell section bar 1, four external corners of the shell section bar 1 are arc face angles, and the arc face radius is 5mm according to the size of the shell.
The section of the inner cavity of the shell section bar 1 is polygonal, two grooves I3 are symmetrically arranged on two long planes of the inner cavity of the shell section bar 1 respectively, the two grooves I3 are arranged at intervals in parallel and perpendicular to the bottom plate 10, a groove II 4 with a closing opening is arranged on an arc angle of the inner cavity, and threads are arranged in the groove II 4.
Secondly, manufacturing a shell;
a shell section 1 is cut according to the designed height of a high-voltage module power supply shell to form a shell 5, a section of shell wall is milled along the periphery of a polygonal inner cavity on the upper surface and the lower surface of the shell 5 to form a circle of sinking platform 6 respectively for supporting a cover plate 9 and a bottom plate 10, the milled height is consistent with the thickness of the cover plate 9 and the bottom plate 10, after the upper end and the lower end of the shell 5 are determined, a section of groove II 4 with a closing opening is milled in the polygonal inner cavity on the upper end of the shell 5 according to the designed height to form a grounding groove III 7, the diameter of the grounding groove III 7 is phi 2mm, and the design range is 7-10 mm according to the different heights of the shell.
And (3) cutting off a section of external angle 5-1 downwards at the outer edge of the polygonal inner cavity bevel edge corresponding to each of the two through holes 2 at the upper end of the shell 5, wherein the cutting direction is parallel to the polygonal inner cavity bevel edge and is at least 1mm away from the edge of the through hole 2 close to the cutting line direction, the lower ends of the two cut surfaces after cutting off respectively form a boss 8, the through holes 2 respectively arranged on the two boss 8 surfaces are fixed holes, and the aperture of each fixed hole is phi 3.5mm or phi 4mm.
Two grooves I3 correspondingly arranged in the inner cavity of the shell 5 form two pairs of PCB welding plate fixing grooves, and the groove width design range of each pair of PCB welding plate fixing grooves is 0.9-2 mm according to the thickness difference of the PCB welding plates.
Thirdly, manufacturing a cover plate and a bottom plate;
the cover plate 9 and the bottom plate 10 are manufactured according to the shape of polygonal inner cavities at the upper end and the lower end of the shell 5, and a round hole 10-1 with the diameter of 1mm is drilled on the inner surface of the joint of a short plane and an inclined plane of the bottom plate 10.
Fourth, assembling the power supply shell;
the grounding screw 11 is screwed on the grounding groove III 7 in the cavity of the shell 5,
the cover plate 9 and the bottom plate 10 are respectively buckled on a circle of sinking tables 6 at the upper end and the lower end of the shell 5, and the cover plate 9 and the bottom plate 10 are fastened on the shell through jig pressure.
The use method comprises the steps of inserting one or two PCB welding boards of the high-voltage module power supply into one or two pairs of grooves I3 in the shell 5, screwing the grounding screw 11 into the grounding groove 6, and connecting one grounding wire connected with the grounding screw 11 with the grounding end of the PCB welding board of the high-voltage module power supply.
Finally, the cover plate 9 and the bottom plate 10 are respectively buckled on a circle of sinking table 6 on the upper surface and the lower surface of the shell 5, and the cover plate 9 and the bottom plate 10 are fastened on the shell through jig pressure.
When the PCB solder board of the high voltage module power supply needs to be taken out, the tool is used to pass through the round hole 10-1 with the diameter of 1mm on the bottom plate 10, and the bottom plate 10 can be detached.
The design of the high-voltage module power supply shell is that a special structural section is manufactured through a die, the height of the special structural section can be cut at will, and various sizes are designed, so that the high-voltage module power supply shell is serialized and standardized. Meanwhile, the machining quality and precision of the shell are improved, the machining process is standardized, and the overall level of the high-voltage module power supply shell is improved.
Claims (2)
1. A manufacturing method of a novel high-voltage module power supply shell is characterized by comprising the following steps of: the steps are as follows,
firstly, designing a shell profile;
the section of the shell section bar (1) is rectangular, two through holes (2) are respectively formed in two corner faces corresponding to the oblique direction of the shell section bar (1), and four outer corners of the shell section bar (1) are arc face angles;
the section of the inner cavity of the shell section bar (1) is polygonal, two grooves I (3) are symmetrically arranged on two long planes of the inner cavity of the shell section bar (1), the two grooves I (3) are vertically arranged at intervals, a groove II (4) with a closed opening is vertically arranged on one arc angle of the inner cavity, and threads are arranged in the groove II (4);
secondly, manufacturing a shell;
cutting a shell section bar (1) according to the designed height of a high-voltage module power supply shell to form a shell (5), milling a section of shell wall along the periphery of a polygonal inner cavity at the upper surface and the lower surface of the shell (5) to form a circle of sinking table (6), determining the upper end and the lower end of the shell (5), milling a section of slot II (4) with a closed opening in the polygonal inner cavity at the upper end of the shell (5) according to the designed height to form a grounding slot III (7), forming two pairs of PCB welding plate fixing slots by two slots I (3) correspondingly arranged in the inner cavity of the shell (5), cutting down a section of outer corner (5-1) at the outer edge of the bevel edge of the polygonal inner cavity corresponding to each of two through holes (2) at the upper end of the shell (5), respectively forming a boss (8) at the lower ends of two cut surfaces, and respectively forming through holes (2) arranged on the surfaces of the two bosses (8) as fixing holes;
thirdly, manufacturing a cover plate and a bottom plate;
manufacturing a cover plate (9) and a bottom plate (10) according to the shape of polygonal inner cavities at the upper end and the lower end of the shell (5), and drilling a round hole (10-1) on the inner surface of the joint of a short plane and an inclined plane of the bottom plate (10);
fourth, assembling the power supply shell;
the grounding screw (11) is screwed on the grounding groove III (7) in the cavity of the shell (5),
the cover plate (9) and the bottom plate (10) are respectively buckled on a circle of sinking tables (6) at the upper end and the lower end of the shell (5), and the cover plate (9) and the bottom plate (10) are fastened on the shell through jig pressure.
2. The method for manufacturing the novel high-voltage module power supply shell according to claim 1, wherein the method comprises the following steps: the shell section bar (1) is made of alloy aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710471161.2A CN107414417B (en) | 2017-06-20 | 2017-06-20 | Manufacturing method of novel high-voltage module power supply shell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710471161.2A CN107414417B (en) | 2017-06-20 | 2017-06-20 | Manufacturing method of novel high-voltage module power supply shell |
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| Publication Number | Publication Date |
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| CN107414417A CN107414417A (en) | 2017-12-01 |
| CN107414417B true CN107414417B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710471161.2A Active CN107414417B (en) | 2017-06-20 | 2017-06-20 | Manufacturing method of novel high-voltage module power supply shell |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107750108B (en) * | 2017-12-06 | 2023-11-24 | 东文高压电源（天津）股份有限公司 | Novel chassis shell special for high-voltage power supply and assembling method |
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| GB855100A (en) * | 1956-12-27 | 1960-11-30 | Haegglund & Soener Ab | An improved method of manufacturing a box or case |
| DE202004018857U1 (en) * | 2004-12-07 | 2005-02-24 | Abb Patent Gmbh | Sheet metal housing for rail-guided pluggable measurement and control components has housing with two identical, essentially C-shaped shells and rear wall; top and cover plates are double-walled with guide rails on inner plates |
| CN202317499U (en) * | 2011-09-20 | 2012-07-11 | 无锡新奇生电器有限公司 | Fast welding device for circular-arc-shaped double-sided splice |
| CN103277015A (en) * | 2013-06-21 | 2013-09-04 | 安丘市江川塑业有限公司 | Plastic steel profile and production technology |
| CN104582366A (en) * | 2014-12-31 | 2015-04-29 | 广东欧珀移动通信有限公司 | Terminal shell, applied terminal of terminal shell and terminal shell manufacturing method |
| CN106058556A (en) * | 2016-06-12 | 2016-10-26 | 飞利富科技有限公司 | Floor socket shell and production process |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009028643A1 (en) * | 2009-08-19 | 2011-02-24 | Zf Friedrichshafen Ag | Method for producing a housing for an assembly bearing and subsequently manufactured housing |
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2017
- 2017-06-20 CN CN201710471161.2A patent/CN107414417B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB855100A (en) * | 1956-12-27 | 1960-11-30 | Haegglund & Soener Ab | An improved method of manufacturing a box or case |
| DE202004018857U1 (en) * | 2004-12-07 | 2005-02-24 | Abb Patent Gmbh | Sheet metal housing for rail-guided pluggable measurement and control components has housing with two identical, essentially C-shaped shells and rear wall; top and cover plates are double-walled with guide rails on inner plates |
| CN202317499U (en) * | 2011-09-20 | 2012-07-11 | 无锡新奇生电器有限公司 | Fast welding device for circular-arc-shaped double-sided splice |
| CN103277015A (en) * | 2013-06-21 | 2013-09-04 | 安丘市江川塑业有限公司 | Plastic steel profile and production technology |
| CN104582366A (en) * | 2014-12-31 | 2015-04-29 | 广东欧珀移动通信有限公司 | Terminal shell, applied terminal of terminal shell and terminal shell manufacturing method |
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Non-Patent Citations (1)
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| 周峰 ; .连接器壳体成型工艺方法研究.机电元件.2017,(01),全文. * |
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| CN107414417A (en) | 2017-12-01 |
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