CN209832884U - Loading printing mechanism of flexible lamp filament - Google Patents
Loading printing mechanism of flexible lamp filament Download PDFInfo
- Publication number
- CN209832884U CN209832884U CN201920056046.3U CN201920056046U CN209832884U CN 209832884 U CN209832884 U CN 209832884U CN 201920056046 U CN201920056046 U CN 201920056046U CN 209832884 U CN209832884 U CN 209832884U
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- China
- Prior art keywords
- support
- printing
- filament
- boss
- loading
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- Expired - Fee Related
Links
- 238000007639 printing Methods 0.000 title claims abstract description 100
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000001680 brushing effect Effects 0.000 claims abstract description 10
- 229910000679 solder Inorganic materials 0.000 abstract description 10
- 239000007787 solid Substances 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model discloses a loading printing mechanism of a flexible filament, which comprises a filament support, an auxiliary support plate used for loading the filament support, and a printing base used for bearing the auxiliary support plate during tin brushing; the utility model discloses a lamp filament support, including the printing base, the printing base is used for printing the lamp filament support, the both ends of supplementary support plate are for being used for fixing the fixed part of lamp filament support, the intermediate part of supplementary support plate is for holding the fretwork portion of lamp filament support, a boss has on the mesa of printing base, supplementary support plate is installed on the mesa of printing base just lamp filament support with the boss closely laminates. The lamp filament support is loaded on the hollow auxiliary support plate through the middle part, and the printing base with the boss is matched with the lamp filament support, so that the lamp filament support is tightly attached to the boss after the auxiliary bottom plate is jacked up by the printing base when solder paste is printed, the lamp filament support is not easy to shift, the tin point shift phenomenon during printing is reduced, and the product yield is improved.
Description
Technical Field
The utility model relates to a LED tin cream printing field, in particular to loading printing mechanism of flexible filament.
Background
The FPC of high compliance is selected for use to the flexible filament product of LED makes the base plate, the encapsulation then stereotypes for flip-chip COF (chip on flex) technology, flip-chip bonding's common mode is some solder paste bonding chip or printing solder paste bonding chip, printing solder paste technology is generally for setting for steel mesh solder joint position according to FPC base plate pad position, fix LED filament support on solid plane auxiliary bottom plate, plane printing board base will assist the bottom plate jack-up to carry out the solder paste printing, then solid chip, reach the effect of bonding the chip behind the reflow oven, owing to be solid auxiliary bottom plate, during the printing, fix the filament support on solid auxiliary bottom plate, because the filament support is longer, and the pad is less, position deviation appears when appearing fixedly easily, lead to the tin point phenomenon of squinting when the printing, influence the product yield.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art's weak point, the utility model aims to provide a loading printing mechanism of flexible filament loads filament support through the supplementary support plate that adopts the intermediate part to be the fretwork to the cooperation has the printing base of boss, when carrying out the solder paste printing, the printing base will be hugged closely on the boss with supplementary bottom plate jack-up back filament support, makes filament support be difficult to the displacement that appears, and then reduces the tin point skew phenomenon that appears when the printing, improves the product yield.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a loading and printing mechanism for a flexible filament comprises a filament support, an auxiliary support plate used for loading the filament support, and a printing base used for bearing the auxiliary support plate during tin brushing; the utility model discloses a lamp filament support, including the printing base, the printing base is used for printing the lamp filament support, the both ends of supplementary support plate are for being used for fixing the fixed part of lamp filament support, the intermediate part of supplementary support plate is for holding the fretwork portion of lamp filament support, a boss has on the mesa of printing base, supplementary support plate is installed on the mesa of printing base just lamp filament support with the boss closely laminates.
In the loading and printing mechanism for the flexible filament, the fixing part comprises a loading positioning hole and a positioning pin, fixing holes are correspondingly formed in two ends of the filament support, and the positioning pin penetrates through the fixing holes and the loading positioning hole to fix the filament support on the auxiliary support plate.
In the loading and printing mechanism of the flexible filament, the width of the boss is equal to that of the filament support, and the length of the boss is smaller than that of the hollow part.
In the loading and printing mechanism of the flexible filament, the cross section of the boss is trapezoidal.
In the loading and printing mechanism of the flexible filament, the boss is 2-3mm thick.
In the loading and printing mechanism of the flexible filament, a plurality of rows of vacuum adsorption holes are further formed in the boss.
In the loading and printing mechanism for the flexible lamp filament, the multiple rows of vacuum adsorption holes are uniformly arranged at intervals.
Compared with the prior art, the loading printing mechanism of the flexible filament provided by the utility model comprises a filament support, an auxiliary support plate for loading the filament support, and a printing base for bearing the auxiliary support plate during tin brushing; the utility model discloses a lamp filament support, including the printing base, the printing base is used for printing the lamp filament support, the both ends of supplementary support plate are for being used for fixing the fixed part of lamp filament support, the intermediate part of supplementary support plate is for holding the fretwork portion of lamp filament support, a boss has on the mesa of printing base, supplementary support plate is installed on the mesa of printing base just lamp filament support with the boss closely laminates. The lamp filament support is loaded on the hollow auxiliary support plate through the middle part, and the printing base with the boss is matched with the lamp filament support, so that the lamp filament support is tightly attached to the boss after the auxiliary bottom plate is jacked up by the printing base when solder paste is printed, the lamp filament support is not easy to shift, the tin point shift phenomenon during printing is reduced, and the product yield is improved.
Drawings
Fig. 1 is a top view of the filament support and the auxiliary support plate in the loading and printing mechanism of the flexible filament provided by the present invention.
Fig. 2 is a front view of a printing base in a loading printing mechanism of a flexible filament provided by the present invention.
Fig. 3 is a front view of the loading and printing mechanism of the flexible filament provided by the present invention.
Fig. 4 is a top view of the printing base in the loading and printing mechanism of the flexible filament provided by the present invention.
Detailed Description
The utility model provides a loading printing mechanism of flexible filament loads the filament support through the supplementary support plate that adopts the mid portion to be the fretwork to the cooperation has the printing base of boss, when carrying out the solder paste printing, the printing base will be hugged closely on the boss with supplementary bottom plate jack-up back filament support, makes the filament support be difficult to the offset that appears, and then reduces the tin point skew phenomenon that appears when the printing, improves the product yield.
Referring to fig. 1, fig. 2 and fig. 3 together, the loading and printing mechanism for a flexible filament according to the present invention includes a filament support 10, an auxiliary support plate 20 for loading the filament support 10, and a printing base 30 for supporting the auxiliary support plate 20 during tin brushing, wherein two ends of the auxiliary support plate 20 are fixing portions 21 for fixing the filament support 10, a middle portion of the auxiliary support plate 20 is a hollow portion 22 for accommodating the filament support 10, two ends of the filament support 10 are fixed on the auxiliary support plate 20 through the fixing portions 21, so that the middle portion of the filament support 10 is located in the hollow portion 22, that is, a wire routing portion for die bonding, which needs to be brushed with tin, is located in the hollow portion 22 of the auxiliary support plate 20, a boss 31 is provided on a table top of the printing base 30, during printing, the auxiliary support plate 20 is placed on the table top of the printing base 30, because the filament support 10 is a flexible support, the boss 31 can jack and straighten the filament support 10 at this time, so that the filament support 10 is tightly attached to the boss 31 for tin paste printing, the filament support 10 is ensured not to have position offset easily, the tin point offset phenomenon during printing is reduced, and the product yield is improved.
And, the utility model provides an among the loading printing mechanism of flexible filament, through the supplementary support plate 20 that adopts the mid portion fretwork, make simultaneously brush tin board, compatible use on reflow oven and some powder board, need tear down filament support 10 and carry out the anchor clamps conversion after brushing tin solid brilliant completion for when using traditional solid support plate, the production process has been simplified to the support plate that adopts the fretwork, the maneuverability that makes printing process becomes more convenient, production efficiency is faster, and the effect number of times to the product in the product production process is less relatively, from brushing tin to some powder, all use same carrier, better protect the product, reduce the indirect injury to the filament product of in-process, so enable the product yield to promote by a wide margin.
Specifically, the fixing portion 21 includes loading positioning holes (not numbered in the figure) and positioning pins 211, fixing holes 11 are correspondingly disposed at two ends of the filament support 10, and the positioning pins 211 pass through the fixing holes 11 and the loading positioning holes to fix the filament support 10 on the auxiliary support plate 20, that is, the positions of the loading positioning holes on the auxiliary support plate 20 correspond to the fixing holes 11 on the filament support 10 one by one, when loading the support, the fixing holes 11 and the loading positioning holes are aligned, and the filament support 10 is fixed on the auxiliary support plate 20 by the positioning pins 211 passing through the fixing holes 11 and the loading positioning holes, so that the flexible filament support 10 is fixed on the auxiliary support plate 20 to facilitate subsequent operations of brushing tin, dispensing powder and the like.
During specific implementation, the fixing holes 11 and the loading positioning holes on one side are both two rows, the inner diameters of the two rows are the same, the fixing holes 11 and the loading positioning holes on the other side are also both two rows, the inner diameters of the two rows are different, the filament support 10 can be better fixed by designing the two rows of positioning holes, the positioning holes with different sizes are arranged at one end, the anode and the cathode of the filament can be conveniently identified, the subsequent operation of mounting and pasting the LED chip is facilitated, and the LED chip is prevented from being reversely pasted.
Preferably, the width of the boss 31 is equal to the width of the filament support 10, the length of the boss 31 is smaller than the length of the hollow portion 22, specifically, the length of the boss 31 is consistent with the printing length of the support, so that the part of the filament support 10 needing to be printed can be fixedly attached to the boss 31 during printing, and the printing positioning accuracy is improved.
Specifically, the cross-sectional shape of the boss 31 is trapezoidal, the thickness of the boss 31 is 2-3mm, that is, the filament support 10 is jacked up by the trapezoidal boss 31 when brushing tin, so that the part of the filament support 10 to be printed is attached to the upper bottom edge of the boss 31, and the two side edges of the trapezoidal boss 31 can also alleviate the pressure on the bending part of the filament support 10, thereby avoiding damage to the filament support 10 caused by jacking.
Preferably, referring to fig. 4, the boss 31 is further provided with a plurality of rows of vacuum absorption holes 311, the vacuum absorption holes 311 are communicated with an external vacuum device, when printing, the auxiliary support plate 20 loaded with the filament support 10 is conveyed and positioned above the printing base 30, then the printing base 30 is lifted to make the auxiliary support plate 20 attached to the top surface of the printing base 30, at this time, the boss 31 jacks up the support by 1mm above the plane of the support plate, the flexible filament support 10 is tightly attached to the boss, and after the external vacuum device is turned on, the filament support 10 is further absorbed, tightly attached and fixed on the boss 31 through the vacuum absorption holes 311, so as to facilitate subsequent printing.
Further preferably, the multiple rows of vacuum adsorption holes 311 are uniformly spaced, and specifically, the transverse spacing and the longitudinal spacing of the vacuum adsorption holes 311 can be correspondingly set according to the length of the filament support 10, so that the uniformity during vacuum adsorption is ensured, the flatness of the filament support 10 is ensured, and the accuracy of printing operation is improved.
To sum up, the loading and printing mechanism of the flexible filament provided by the utility model comprises a filament support, an auxiliary support plate used for loading the filament support, and a printing base used for bearing the auxiliary support plate during tin brushing; the utility model discloses a lamp filament support, including the printing base, the printing base is used for printing the lamp filament support, the both ends of supplementary support plate are for being used for fixing the fixed part of lamp filament support, the intermediate part of supplementary support plate is for holding the fretwork portion of lamp filament support, a boss has on the mesa of printing base, supplementary support plate is installed on the mesa of printing base just lamp filament support with the boss closely laminates. The lamp filament support is loaded on the hollow auxiliary support plate through the middle part, and the printing base with the boss is matched with the lamp filament support, so that the lamp filament support is tightly attached to the boss after the auxiliary bottom plate is jacked up by the printing base when solder paste is printed, the lamp filament support is not easy to shift, the tin point shift phenomenon during printing is reduced, and the product yield is improved.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (7)
1. The loading printing mechanism for the flexible filament is characterized by comprising a filament support, an auxiliary support plate used for loading the filament support, and a printing base used for bearing the auxiliary support plate during tin brushing; the utility model discloses a lamp filament support, including the printing base, the printing base is used for printing the lamp filament support, the both ends of supplementary support plate are for being used for fixing the fixed part of lamp filament support, the intermediate part of supplementary support plate is for holding the fretwork portion of lamp filament support, a boss has on the mesa of printing base, supplementary support plate is installed on the mesa of printing base just lamp filament support with the boss closely laminates.
2. The loading and printing mechanism for the flexible filament according to claim 1, wherein the fixing portion comprises a loading positioning hole and a positioning pin, fixing holes are correspondingly formed at two ends of the filament support, and the positioning pin passes through the fixing holes and the loading positioning hole to fix the filament support on the auxiliary support plate.
3. The flexible filament load printing mechanism according to claim 1, wherein the width of the boss is equal to the width of the filament support, and the length of the boss is less than the length of the hollowed-out portion.
4. The flexible filament load printing mechanism of claim 1, wherein the cross-sectional shape of the boss is trapezoidal.
5. The flexible filament load printing mechanism of claim 1, wherein the boss is 2-3mm thick.
6. The loading and printing mechanism for the flexible filament according to claim 1, wherein the boss is further provided with a plurality of rows of vacuum suction holes.
7. The loading and printing mechanism for the flexible filament according to claim 6, wherein the plurality of rows of vacuum suction holes are uniformly spaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920056046.3U CN209832884U (en) | 2019-01-14 | 2019-01-14 | Loading printing mechanism of flexible lamp filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920056046.3U CN209832884U (en) | 2019-01-14 | 2019-01-14 | Loading printing mechanism of flexible lamp filament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209832884U true CN209832884U (en) | 2019-12-24 |
Family
ID=68901715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920056046.3U Expired - Fee Related CN209832884U (en) | 2019-01-14 | 2019-01-14 | Loading printing mechanism of flexible lamp filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209832884U (en) |
-
2019
- 2019-01-14 CN CN201920056046.3U patent/CN209832884U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |