CN104209385A - Quick forming method for lamp cup - Google Patents
Quick forming method for lamp cup Download PDFInfo
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- CN104209385A CN104209385A CN201310217706.9A CN201310217706A CN104209385A CN 104209385 A CN104209385 A CN 104209385A CN 201310217706 A CN201310217706 A CN 201310217706A CN 104209385 A CN104209385 A CN 104209385A
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- lamp cup
- middle section
- punching press
- light source
- molding method
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Abstract
The invention discloses a quick forming method for a lamp cup. The method is characterized by including the step of front end forming, wherein a metal piece to be machined is horizontally placed and fixed, stamping and/or drawing are/is carried out on the metal piece, and accordingly the lower surface of a center area forms a light source face capable of fixing an LED light source; the step of side face drawing, wherein the periphery of the center area of the metal piece is drawn so as to form a vertically extending straight cylinder; the step of stamping contraction, wherein the straight cylinder is stamped from top to bottom by means of a contraction mould, the contraction mould is provided with a contraction face gradually expanding from top to bottom, and the contraction face is arranged on the outer side of the straight cylinder in a matched mode. By means of the stamping contraction step, the straight cylinder is converted into an inverted cup shape, and the front end forming step and the side face drawing step can be carried out repeatedly and in different order. By means of the scheme, the horn-shaped lamp cup is obtained through stamping and drawing, the number of steps is small, forming is quick, the forming time of the lamp cup is greatly shortened, and materials and process cost are greatly reduced.
Description
Technical field
The present invention relates to a kind of method manufacturing LED illumination lamp Lamp cup.
Background technology
The technological progress of LED light source makes LED lamp accelerate gradually in the process of alternative conventional lamp.At present, the light fixture of traditional optically focused form is easier to be replaced by the light fixture of LED light source, and the feature of this kind of light fixture has trumpet-shaped reflector, constitutes the agent structure of light fixture, be commonly called as Lamp cup.Lamp cup usually no longer has original light-focusing function in the light fixture of LED light source, the substitute is the function of heat radiation and fixed structure.Therefore, the preferred scheme of existing Lamp cup normally metal, particularly plasticity is high, the metal material that thermal conductivity is high, as aluminium alloy.
In view of shape and the performance requirement of Lamp cup itself, the metal material of Lamp cup often adopts an overall form, but not sub-assembly, so, often need series of process when being shaped to Lamp cup, more traditional way has the mode such as die casting, spinning, and these modes have advantage separately, but having common defect is that to be difficult to the process-cycle long, and therefore its process costs is also high.
Summary of the invention
For the defect that the existing aluminum alloy material Lamp cup process-cycle is long, process costs is high, the present invention proposes a kind of quick molding method of Lamp cup, and its technical scheme is as follows:
A quick molding method for Lamp cup, it comprises the following steps:
Front end forming step, a sheet metal horizontal positioned to be processed is fixed, and carries out punching press and/or stretching to it, and the lower surface of its middle section is shaped to can the surface of light source of fixed L ED light source;
Side stretching step, carries out stretch processing to the periphery of described its middle section of sheet metal, makes it be shaped to the straight barrel vertically stretched; The bearing of trend of this straight barrel upwards; And
Punching press collapse step, uses a shrinking die to carry out punching press process to described straight barrel from top to bottom; This shrinking die has a contraction front expanded gradually from top to bottom, and this contraction front is matched with the outside of described straight barrel; This punching press collapse step makes this straight barrel change the form of falling cup of shrinking gradually into from bottom to top, and has an opening upward on its top;
Wherein, described front end forming step and side stretching step can repeatedly and can replacement sequence process mutually.
The improvement of this programme has:
In preferred embodiment, in the forming step of described front end, have a lower stretching step, this lower stretching step carries out punching press and/or stretch processing to described middle section, molds convex boss in this middle section; Described surface of light source is positioned at the outer surface of this boss.
In preferred embodiment, in the forming step of described front end, have a upper stretching step, on this, stretching step carries out punching press and/or stretch processing to described middle section, molds the pit of a fovea superior in this middle section; Described surface of light source is positioned at the outer surface of this pit.
In preferred embodiment, in the shaping and/or side stretching step in described front end, have a punching step, this punching step carries out punching press process to described middle section, makes it to generate some through holes fixing described LED light source.
In preferred embodiment, in the forming step of described front end, have a upper stretching step, on this, stretching step carries out punching press and/or stretch processing to described middle section, is the lower convex land for fastening lampshades at the edge formation of this middle section.
In preferred embodiment, described punching press collapse step is progressively processing form, and be decomposed at least two-stage sub-step, described in every one-level, sub-step all continues shrink process under the form that described straight barrel is current.
In preferred embodiment, described sheet metal is wafer type, and thickness is even; Described middle section is by the central shaft Rotational Symmetry of this sheet metal.
In preferred embodiment, the structure on this Lamp cup is all one-body molded.
The beneficial effect of this programme has two aspects:
1. trumpet-shaped Lamp cup all uses punching press/stretching to realize, and step is few, fast shaping; Raw material are even tablets, so it is fast to get the raw materials ready.Shaping Lamp cup directly can coordinate installation with opening with lamp holder lamp part, and the direct fixed L ED light source board of surface of light source, light-focusing type LED can be assembled into rapidly and substitute light fixture.Highly shortened the molding time of Lamp cup, material and process costs.
2. in this programme, front end forming step and side stretching step have the effect of combined type process, and namely different order, for different positions, can realize the cup body structure enriched, and but remain the high efficiency feature of punching press/drawing process simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
Fig. 1 is the side sectional view of the embodiment of the present invention one sheet metal to be processed;
Fig. 2 is the lower convex process to middle section 11 on Fig. 1 basis;
Middle section 11 is molded the schematic diagram after lower convex platform 12 by Fig. 3 on Fig. 2 basis;
Fig. 4 is schematic diagram middle section 11 periphery being carried out to stretch processing on Fig. 3 basis;
Fig. 5 is the schematic diagram molding straight barrel 14 on Fig. 4 basis;
Fig. 6 processes to straight barrel 14 schematic diagram obtaining down cup 15 on Fig. 5 basis;
Fig. 7 is one of the embodiment of the present invention two front end processing steps;
Fig. 8 is the embodiment of the present invention two front end processing steps two;
Fig. 9 is embodiment of the present invention two side faces stretching step;
Figure 10 is the sub-step one in the embodiment of the present invention two punching press collapse step;
Figure 11 is the sub-step two in the embodiment of the present invention two punching press collapse step;
Figure 12 is the sub-step three in the embodiment of the present invention two punching press collapse step;
Figure 13 is the generalized section after the embodiment of the present invention three punching press collapse step.
Detailed description of the invention
Embodiment one:
As shown in Figures 1 to 6, embodiments of the invention one are progressively shown.
Fig. 1 illustrates the sheet metal 10 of the present embodiment, is uniform thickness, smooth aluminum alloy materials, is placed horizontally at the top of mould (sign).What first carry out processing is front end forming step:
Namely so-called front end forming step is the process of processing Lamp cup cup front end.In Fig. 2, sheet metal 10 shape on Fig. 1 basis is stretched/punching press, make its middle section 11 times convex (having upper and lower mould to coordinate), subsequently, punching press is carried out to middle section 11, obtains the shape shown in Fig. 3, obtain a boss 12, the lower end end face of this boss 12 is surface of light sources 13, this surface of light source 13 is treated to flat smooth person, can fixed L ED light source board (sign).
The step of Fig. 1 to Fig. 3 all belongs to front end forming step, so far, enters next step: side stretching step:
Fig. 4, on the basis of Fig. 3, processes the material of middle section 11 periphery, makes it start uprightly, with the state forming of tubular solid.Arrive Fig. 5, the whole deep drawn of material of all middle section 11 peripheries is shaped to a vertical straight barrel 14, the cross section congruence that this straight barrel is upper and lower, and bearing of trend is straight up.
After completing above-mentioned side stretching step, namely enter punching press collapse step: this step uses the mode of punching press, makes straight barrel 14 present the state of contraction, to be shaped to the shape of Lamp cup.As shown in Figure 6, the figure shows the schematic diagram of mould 30, a shrinking die 31 is placed in the top of material, with top-down mode punching press process straight barrel.Shrinking die 31 has a contraction front 33, and this contraction front 33 is expanded from top to bottom gradually, the shape namely outside Lamp cup.By the punching press process of shrink film 31, straight barrel is shaped to down cup 15, and has an opening 16 upward on its top.So, from Fig. 1, namely sheet metal 10 obtains complete, shaping Lamp cup.
Visible, this trumpet-shaped Lamp cup all uses punching press/stretching to realize, and step is few, fast shaping; Raw material are even tablets, so it is fast to get the raw materials ready.Shaping Lamp cup directly can coordinate installation with opening 16 with lamp holder lamp part, and surface of light source 13 directly fixed L ED light source board, light-focusing type LED can be assembled into rapidly and substitute light fixture.The program highly shortened the molding time of Lamp cup, material and process costs.
Embodiment two:
As shown in Fig. 7 to Fig. 9, the diagrammatic series of views of the embodiment of the present invention two.
Before the front end forming step of the present embodiment, be provided with side stretching step, see Fig. 7, the peripheral processes sheet metal 10 of first middle section 11 again, makes it have the value section of one section of deep drawn; Again on this basis, carry out front end forming step, the front end forming step of this embodiment two has a upper stretching step, rushes stretch processing to middle section 11, be lower convex land 18 at the edge formation of this middle section 11, this land 18 is not for fastening lampshades (sign).In this front end forming step, also have a punching step, this punching step carries out punching press process to middle section 11, make it to generate some can the through hole 17 of fixed L ED light source.
After completing punching step, proceed side stretching step, form straight barrel 14, as shown in Figure 9.Namely punching press collapse step is entered subsequently.The punching press collapse step of the present embodiment is progressively processing form, is decomposed into three grades of sub-steps, sees Figure 10, Figure 11 and Figure 12.Every one-level sub-step all continues shrink process to obtain cup 15 under the form that straight barrel 14 is current.Consider the shrinkage of sheet material, adopt the mode of tertiary treatment to make body 15 have preferably contractive effect, namely opening 16 is more much smaller than middle section 11.Visible, this programme still can be applicable to the Lamp cup of larger retracted configuration.
Embodiment three:
As Figure 13, it is the finished product generalized section of the present embodiment.
The present embodiment and embodiment two similar, first adopt side stretching step shaping land 18, then front end forming step process middle section 11, then through stretching step process side, side, be finally punching press collapse step process cup 15.
Unlike, in the present embodiment, in the forming step of front end, there is a upper stretching step and lower stretching step, stretch processing is carried out to middle section 11, in this middle section 11, molds pit 17 and a scrobicular ring 181 of a fovea superior; Surface of light source 13 is positioned at the outer surface central authorities of this pit; The side 19 of pit 17, namely as the position being processed into Lamp cup band reflection function, realizes the effect of optical treatment.Scrobicular ring 181 is for fastening lampshades.
Visible, by the combined type process to front end forming step and side stretching step, different order, for different positions, can realize the cup body structure enriched, and but remains the high efficiency feature of punching press/drawing process simultaneously.
The above, be only present pre-ferred embodiments, therefore can not limit scope of the invention process according to this, the equivalence change namely done according to the scope of the claims of the present invention and description with modify, all should still belong in scope that the present invention contains.
Claims (8)
1. a quick molding method for Lamp cup, is characterized in that: it comprises the following steps:
Front end forming step, a sheet metal horizontal positioned to be processed is fixed, and carries out punching press and/or stretching to it, and the lower surface of its middle section is shaped to can the surface of light source of fixed L ED light source;
Side stretching step, carries out stretch processing to the periphery of described its middle section of sheet metal, makes it be shaped to the straight barrel vertically stretched; The bearing of trend of this straight barrel upwards; And
Punching press collapse step, uses a shrinking die to carry out punching press process to described straight barrel from top to bottom; This shrinking die has a contraction front expanded gradually from top to bottom, and this contraction front is matched with the outside of described straight barrel; This punching press collapse step makes this straight barrel change the form of falling cup of shrinking gradually into from bottom to top, and has an opening upward on its top;
Wherein, described front end forming step and side stretching step can repeatedly and replacement sequence process.
2. the quick molding method of a kind of Lamp cup according to claim 1, it is characterized in that: in the forming step of described front end, have a lower stretching step, this lower stretching step carries out punching press and/or stretch processing to described middle section, molds convex boss in this middle section; Described surface of light source is positioned at the outer surface of this boss.
3. the quick molding method of a kind of Lamp cup according to claim 1, it is characterized in that: in the forming step of described front end, have a upper stretching step, on this, stretching step carries out punching press and/or stretch processing to described middle section, molds the pit of a fovea superior in this middle section; Described surface of light source is positioned at the outer surface of this pit.
4. the quick molding method of a kind of Lamp cup according to claim 1, it is characterized in that: in the shaping and/or side stretching step in described front end, have a punching step, this punching step carries out punching press process to described middle section, makes it to generate some through holes fixing described LED light source.
5. the quick molding method of a kind of Lamp cup according to claim 1, it is characterized in that: in the forming step of described front end, there is a upper stretching step, on this, stretching step carries out punching press and/or stretch processing to described middle section, is the lower convex land for fastening lampshades at the edge formation of this middle section.
6. a kind of quick molding method of Lamp cup according to any one of claim 1 to 5, it is characterized in that: described punching press collapse step is progressively processing form, be decomposed at least two-stage sub-step, described in every one-level, sub-step all continues shrink process under the form that described straight barrel is current.
7. the quick molding method of a kind of Lamp cup according to claim 6, is characterized in that: described sheet metal is wafer type, and thickness is even; Described middle section is by the central shaft Rotational Symmetry of this sheet metal.
8. the quick molding method of a kind of Lamp cup according to claim 6, is characterized in that: the structure on this Lamp cup is all one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310217706.9A CN104209385A (en) | 2013-06-03 | 2013-06-03 | Quick forming method for lamp cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310217706.9A CN104209385A (en) | 2013-06-03 | 2013-06-03 | Quick forming method for lamp cup |
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| CN104209385A true CN104209385A (en) | 2014-12-17 |
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| CN201310217706.9A Pending CN104209385A (en) | 2013-06-03 | 2013-06-03 | Quick forming method for lamp cup |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261795A (en) * | 2018-08-31 | 2019-01-25 | 易胜 | A kind of processing method of downlight shell |
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| US20100091495A1 (en) * | 2008-10-10 | 2010-04-15 | Cooper Technologies Company | Modular Extruded Heat Sink |
| JP2011134676A (en) * | 2009-12-25 | 2011-07-07 | Kobe Steel Ltd | Method of manufacturing led bulb heat dissipation section and led bulb heat dissipation section |
| CN202328091U (en) * | 2011-10-26 | 2012-07-11 | 杭州华普永明光电股份有限公司 | Lamp housing type heat radiator and LED (Light-Emitting Diode) lighting device |
| CN202403242U (en) * | 2012-01-10 | 2012-08-29 | 厦门市正铭光电科技有限公司 | Integrated lamp cup |
| CN102896254A (en) * | 2012-09-11 | 2013-01-30 | 厦门海莱照明有限公司 | Process for manufacturing light-emitting diode (LED) radiator through aluminum alloy plastic materials |
| CN102966930A (en) * | 2012-11-07 | 2013-03-13 | 阳江汉能科技有限公司 | Heat radiator and manufacturing method thereof |
| EP2587121A1 (en) * | 2011-10-28 | 2013-05-01 | Hella KGaA Hueck & Co. | LED-based lighting with reflector mounted on PCB |
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2013
- 2013-06-03 CN CN201310217706.9A patent/CN104209385A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551548A (en) * | 2008-03-31 | 2009-10-07 | 荣晋精密科技股份有限公司 | Method for manufacturing lamp reflector for side-light backlight module and lamp reflector |
| US20100091495A1 (en) * | 2008-10-10 | 2010-04-15 | Cooper Technologies Company | Modular Extruded Heat Sink |
| JP2011134676A (en) * | 2009-12-25 | 2011-07-07 | Kobe Steel Ltd | Method of manufacturing led bulb heat dissipation section and led bulb heat dissipation section |
| CN202328091U (en) * | 2011-10-26 | 2012-07-11 | 杭州华普永明光电股份有限公司 | Lamp housing type heat radiator and LED (Light-Emitting Diode) lighting device |
| EP2587121A1 (en) * | 2011-10-28 | 2013-05-01 | Hella KGaA Hueck & Co. | LED-based lighting with reflector mounted on PCB |
| CN202403242U (en) * | 2012-01-10 | 2012-08-29 | 厦门市正铭光电科技有限公司 | Integrated lamp cup |
| CN102896254A (en) * | 2012-09-11 | 2013-01-30 | 厦门海莱照明有限公司 | Process for manufacturing light-emitting diode (LED) radiator through aluminum alloy plastic materials |
| CN102966930A (en) * | 2012-11-07 | 2013-03-13 | 阳江汉能科技有限公司 | Heat radiator and manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261795A (en) * | 2018-08-31 | 2019-01-25 | 易胜 | A kind of processing method of downlight shell |
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Application publication date: 20141217 |