CN110440166B - Manufacturing method of LED waterproof lamp strip - Google Patents
Manufacturing method of LED waterproof lamp strip Download PDFInfo
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- CN110440166B CN110440166B CN201910727082.2A CN201910727082A CN110440166B CN 110440166 B CN110440166 B CN 110440166B CN 201910727082 A CN201910727082 A CN 201910727082A CN 110440166 B CN110440166 B CN 110440166B
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- 238000004519 manufacturing process Methods 0.000 title abstract description 27
- 239000003292 glue Substances 0.000 abstract description 123
- 229920001971 elastomer Polymers 0.000 abstract description 57
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 8
- 239000002390 adhesive tape Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/002—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the work consisting of separate articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
- F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A manufacturing method of an LED waterproof lamp strip comprises the following steps: (1) placing a U-shaped supporting rubber block in a rubber groove of a rubber dripping mold, wherein the supporting rubber block comprises a bottom plate and side plates arranged on two sides of the bottom plate, the bottom surface of the bottom plate is attached to the bottom surface of the rubber groove, and the side surfaces of the side plates are attached to the side walls of the rubber groove; (2) placing the lamp panel of the die bonding wire into a glue groove of a glue dripping mold, separating the bottom surface and the side surface of the lamp panel from the glue groove under the action of a supporting glue block, and forming glue filling gaps at the bottom, the top and two sides of the lamp panel; (3) glue is dripped in the glue groove by using a glue dripping machine, and the glue is automatically leveled in the glue groove and fills all the glue filling gaps; (4) the material of the supporting rubber block is the same as the glue, and the glue and the supporting rubber block are integrated into a whole after being solidified and wrap the whole lamp panel to form the LED waterproof lamp strip. The invention has simple process and high manufacturing efficiency.
Description
Technical Field
The invention relates to the field of LED illumination, in particular to a manufacturing method of an LED waterproof lamp strip.
Background
The existing LED lamp strip is widely applied to the general illumination field or the decorative illumination field of indoor and outdoor places such as houses, advertisements, automobiles, ships, exhibition halls and the like, and when the LED lamp strip is applied to outdoor places, the LED lamp strip can not work normally due to the severe outdoor environment, such as humid environments such as overcast and rainy, and therefore the sealing protection of the LED lamp strip becomes an important process step.
For example, chinese patent publication No. 105570742 discloses a method for manufacturing a waterproof LED strip, which includes a flexible LED circuit board to be encapsulated and a flexible transparent sleeve, the method including the steps of: s1: connecting the welded flexible LED circuit boards qualified in test into a target length; s2: fixing the connected flexible LED circuit board with the target length on a glue pouring support, pouring transparent waterproof glue on the front surface of the flexible LED circuit board, and standing for 8-12 hours until the flexible LED circuit board is solidified to form a semi-finished flexible waterproof LED lamp strip; s3: uniformly slotting one side surface of the flexible transparent sleeve, and flanging the slot opening; s4: penetrating the cured semi-finished product of the soft waterproof LED lamp strip penetrating into one end of the grooved soft transparent sleeve into the soft transparent sleeve by adopting a mechanical penetrating and pulling process; s5: and placing the soft transparent sleeve which penetrates into the semi-finished soft waterproof LED lamp strip into a mold of hot melting equipment, and performing edge pressing, bonding and trimming on the two turned edges of the notch to obtain a finished product. The waterproof lamp strip has the advantages of complex manufacturing process, low production efficiency and high production cost; and the LED lamp strip produced by applying the process is only filled with glue on the front surface of the circuit board, and the back surface of the LED circuit board is not provided with a protective glue layer, so that failure phenomena such as cracking, rusting and the like are easily generated under severe environment conditions, and the environmental adaptability and the reliability of the protective effect are poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing a manufacturing method of the LED waterproof lamp belt, which has the advantages of simple process, high manufacturing efficiency, and excellent environmental adaptability and protection effect reliability.
In order to solve the technical problems, the technical scheme of the invention is as follows: a manufacturing method of an LED waterproof lamp strip comprises the following steps:
(1) placing a U-shaped supporting rubber block in a rubber groove of a rubber dripping mold, wherein the supporting rubber block comprises a bottom plate and side plates arranged on two sides of the bottom plate, the bottom surface of the bottom plate is attached to the bottom surface of the rubber groove, and the side surfaces of the side plates are attached to the side walls of the rubber groove;
(2) placing the lamp panel of the die bonding wire into a glue groove of a glue dripping mold, separating the bottom surface and the side surface of the lamp panel from the glue groove under the action of a supporting glue block, and forming glue filling gaps at the bottom, the top and two sides of the lamp panel;
(3) glue is dripped in the glue groove by using a glue dripping machine, and the glue is automatically leveled in the glue groove and fills all the glue filling gaps;
(4) the material of the supporting rubber block is the same as the glue, and the glue and the supporting rubber block are integrated into a whole after being solidified and wrap the whole lamp panel to form the LED waterproof lamp strip.
The lamp panel is supported by the supporting rubber blocks, so that gaps exist around the lamp panel, when glue is dispensed, the gaps can be filled with the glue, the lamp panel and the wire rods connected with the lamp panel can be completely contained, the sealing performance of the lamp panel is ensured, the integrally formed process has better sealing performance, secondary sealing processing is not needed to be carried out on two ends of the lamp panel, the manufacturing process is simpler and more convenient, and the manufacturing efficiency is higher; in addition, the supporting rubber block and the glue of the glue dripping are made of the same material, the compatibility of the supporting rubber block and the glue of the glue dripping is good, the supporting rubber block and the glue of the glue dripping can be integrated after the glue dripping is finished, the protection reliability under severe environment conditions is good, and the overall appearance is more regular.
As an improvement, the lamp panel of the die bonding wire comprises a strip-shaped substrate, an LED chip arranged on the substrate, an electronic component arranged on the substrate and a lead arranged at one end of the substrate.
As an improvement, in the step (2), after the lamp panel is placed in the glue groove, the two ends of the lamp panel need to be tensioned and fixed through a fixing device, and the fixing device comprises a lamp panel fixing mold arranged at one end of the glue dripping film and a tension device arranged at the other end of the glue dripping mold.
As an improvement, the lamp panel fixing mold comprises a lower supporting plate, an upper supporting plate and screw rods arranged at two ends of the lower supporting plate, the upper supporting plate is arranged above the lower supporting plate, through holes are formed in the upper supporting plate corresponding to the screw rods, and the upper ends of the screw rods penetrate through the through holes and then are connected with butterfly nuts; correspond gluey groove department on the lower backup pad and be equipped with the lower support bar, the upper end of lower support bar offsets with the bottom of lamp plate through the through-hole in gluey groove, it is equipped with the bracing piece to go up the backup pad correspondence gluey groove, and the lower extreme of going up the bracing piece compresses tightly the lamp plate.
As the improvement, the chest expander includes the mount pad, with mount pad articulated handle and with handle articulated arm-tie, be equipped with the spout on the mount pad, the spout is just right with gluey groove, be equipped with slider and guide arm in the spout, the guide arm passes the slider, the both ends of guide arm are fixed through the fixing base, be equipped with reset spring between the fixing base of slider and guide arm one of them end, be equipped with on the slider with the first arch of arm-tie complex and with lamp plate lead wire complex second arch, cover behind the lead wire tip formation coil on the second arch.
As an improvement, the supporting rubber block is made of PU (polyurethane) rubber or silica gel.
As the improvement, the width of the cross section of the inner surface of the supporting rubber block is 2-3 mm larger than the width of the lamp panel.
As an improvement, the manufacturing method of the U-shaped supporting rubber block comprises the following steps: dripping glue on the lower die of the U-shaped adhesive tape; forming a U-shaped adhesive tape by closing the upper U-shaped adhesive tape mould and the lower U-shaped adhesive tape mould; and cutting the U-shaped adhesive tape to obtain a supporting adhesive block.
As an improvement, before the step (1), a Teflon coating needs to be sprayed in the glue groove.
As an improvement, more than one glue groove is arranged in parallel on the glue dripping mold, the number of glue dripping heads of the glue dripping machine is the same as that of the glue grooves, the glue dripping heads are located above the glue grooves during glue dripping, the glue dripping heads move back and forth for 2-4 times, and the glue dripping speed of the glue dripping heads is 0.25 m/s.
Compared with the prior art, the invention has the following beneficial effects:
the lamp panel is supported by the supporting rubber blocks, so that gaps exist around the lamp panel, when glue is dripped, the gaps can be filled with glue, the lamp panel and wires connected with the two ends of the lamp panel can be completely contained, the sealing performance of the lamp panel is ensured, the integrally formed process is compact, secondary sealing processing is not needed for the two ends of the lamp panel, the complexity of the process and the structure is reduced, the sealing performance is better, the manufacturing process is simpler, the manufacturing efficiency is higher, the manufacturing cost is lower, meanwhile, the environmental adaptability and the reliability of the protective performance under severe environmental conditions such as sand storm, rainwater, high temperature, high humidity, low temperature, temperature change, high ultraviolet intensity and the like are greatly improved, and the LED lamp strip product produced by applying the process can reach the protection level above IP 67; in addition, the supporting rubber block and the glue of the glue dripping are made of the same material, the compatibility of the supporting rubber block and the glue of the glue dripping is good, and after the glue dripping is finished, the supporting rubber block and the glue of the glue dripping can be integrated, so that the regularity of the appearance is not influenced, and the structural strength is indirectly improved.
Drawings
FIG. 1 is a flow chart of the present invention.
Fig. 2 is a schematic diagram of a supporting rubber block being placed in a rubber groove of a rubber dropping mold.
Fig. 3 is a schematic diagram of the lamp panel being placed in the glue groove.
Fig. 4 is a schematic diagram of the lamp panel after being placed in the glue groove and matching with the supporting glue block.
Fig. 5 is a schematic view of the lamp panel fixed by the fixing device.
Fig. 6 is a schematic diagram of the glue dispenser dispensing glue into the glue tank.
FIG. 7 is an exploded view of the U-shaped strip manufacturing mold.
FIG. 8 is a schematic view of a U-shaped strip.
Figure 9 is a schematic view of a light panel fixing mould.
Fig. 10 is a schematic view of the chest expander.
Fig. 11 is a schematic view of the molded waterproof lamp strip.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
A manufacturing method of a waterproof LED strip, as shown in fig. 2, the used equipment includes a glue dripping mold 1 and a glue dripping machine 6. The glue dripping mould 1 is provided with more than one glue grooves 11 which are arranged in parallel, the number of glue dripping heads of the glue dripping machine 6 is the same as the number of the glue grooves 11, a plurality of lamp strips can operate simultaneously, and the production efficiency is improved.
As shown in fig. 1, the manufacturing method of the LED waterproof strip includes the following steps:
(1) a Teflon coating needs to be sprayed in the glue groove 11, the thickness of the coating is 5 +/-1 mil, the service cycle is 5-10 ten thousand times, and the purpose of the coating is to facilitate glue forming because glue is not adhered to the glue groove 11;
(2) as shown in fig. 2, U-shaped supporting rubber blocks 21 are placed in the rubber slot 11 of the rubber dropping mold 1, and the number of the placing can be determined according to the length of the rubber slot 11, usually not less than three, wherein the placing is distributed at two ends and the middle position; the supporting rubber block 21 comprises a bottom plate 211 and side plates 212 arranged on two sides of the bottom plate 211, the bottom surface of the bottom plate 211 is attached to the bottom surface of the rubber groove 11, and the side surfaces of the side plates 212 are attached to the side walls of the rubber groove 11;
(3) as shown in fig. 3 and 4, the lamp panel 5 of the die bond wire is placed in the glue groove 11 of the glue dripping mold 1, and the lamp panel 5 of the die bond wire comprises a strip-shaped substrate, an LED chip arranged on the substrate, an electronic component arranged on the substrate, and a lead 51 arranged at one end of the substrate; under the action of the supporting rubber block 21, the bottom surface and the side surface of the lamp panel 5 leave the rubber groove 11, rubber filling gaps are formed at the bottom, the top and the two sides of the lamp panel 5, and the lead 51 is led out of the rubber groove 11;
(4) as shown in fig. 5, after the lamp panel 5 is placed in the glue groove 11, the two ends of the lamp panel 5 need to be tensioned and fixed by a fixing device, and the fixing device comprises a lamp panel fixing mold 3 arranged at one end of the glue dripping film and a spring exerciser 4 arranged at the other end of the glue dripping mold 1.
(5) As shown in fig. 6, a glue dispenser 6 is used for dispensing glue into a glue groove 11, and the glue automatically levels and fills all the glue filling gaps in the glue groove 11; when glue is dripped, the glue dripping head 61 is positioned above the glue groove 11, the glue dripping head 61 moves back and forth for 2-4 times, and the glue dripping speed of the glue dripping head 61 is 0.25 m/s;
(6) as shown in fig. 11, the supporting rubber block 21 is made of the same material as the glue and is made of PU glue or silica gel, and after the glue is cured, the glue and the supporting rubber block 21 are integrated into a whole to form a rubber sleeve 8 and wrap the whole lamp panel 5, so as to form the LED waterproof lamp strip.
As shown in fig. 9, the lamp panel fixing mold 3 includes a lower supporting plate 31, a stopper 35 disposed on one side of the lower supporting plate 31, an upper supporting plate 32, and screws 36 disposed at two ends of the lower supporting plate 31, the upper supporting plate 32 is disposed above the lower supporting plate 31, through holes are disposed on the upper supporting plate 32 corresponding to the screws 36, and the upper ends of the screws 36 are connected to butterfly nuts 37 after passing through the through holes; a lower support rod 33 is arranged on the lower support plate 31 corresponding to the glue groove 11, and an upper support rod 34 is arranged on the upper support plate 32 corresponding to the glue groove 11. During operation, after the lamp panel is placed in the glue groove 11, one end of the lamp panel 5 abuts against the stop block 35 for positioning; the upper end of the lower support rod 33 abuts against the bottom of the lamp panel 5 after abutting against the through hole at the bottom of the glue groove 11; then, the upper supporting plate 32 is covered, and the butterfly nut 37 is used for locking, so that the lower end of the upper supporting rod 34 is tightly pressed on the top surface of the lamp panel 5, and one end of the lamp panel 5 is fixed.
As shown in fig. 10, the chest expander 4 comprises a mounting seat 41, a handle 46 hinged to the mounting seat 41, and a pulling plate 47 hinged to the handle 46, wherein the handle 46 is hinged to the mounting seat 41 through a screw, wing nuts 45 are arranged at two ends of the screw, and the rotation of the handle 46 can be limited by tightening or loosening the wing nuts 45; the lamp holder is characterized in that a sliding groove is formed in the mounting base 41 and is opposite to the glue groove 11, a sliding block 48 and a guide rod 42 are arranged in the sliding groove, the guide rod 42 penetrates through the sliding block 48, two ends of the guide rod 42 are fixed through fixing seats 43, a return spring 44 is arranged between the sliding block 48 and the fixing seat 43 at one end of the guide rod 42, a first protrusion 482 matched with the pull plate 47 and a second protrusion 481 matched with a lead 51 of the lamp panel 5 are arranged on the sliding block 48, and the end of the lead 51 forms a coil and then is sleeved on the second protrusion 481. During operation, the first protrusion is pulled by the pulling plate 47, the handle 46 is rotated, and the handle 46 drives the sliding block 48 to move backwards through the pulling plate 47, so that the lamp panel is tensioned.
As shown in fig. 7, the manufacturing method of the U-shaped supporting rubber block 21 comprises the following steps: the existing rubber strip manufacturing mold 7 is used for manufacturing the U-shaped rubber strip 2, and then the U-shaped rubber strip 2 is cut to obtain the rubber strip. The method specifically comprises the following steps: firstly, glue is dripped into a groove of a lower U-shaped rubber strip die 73 through a glue dripping machine, and then an upper U-shaped rubber strip die 72 is arranged on the lower die; automatically pressing and fixing the upper and lower dies by an automatic pressing device 71 with a fixing pin 74; as shown in FIG. 8, after the glue is solidified, the U-shaped glue strip 2 is taken out, and the glue strip 2 is cut into small sections to form the supporting glue blocks 21. The specification of the supporting rubber block 21 is 12.5 × 3 × 3.5, different molds are used for lamp strips with different widths, the specific size of each mold is designed according to the width of the lamp strip and the lamp panel 5, the width of the cross section of the inner surface of the processed U-shaped rubber strip is larger than the width of the lamp panel 5 by more than 2-3 mm, and the contact flatness and tightness during the glue dripping forming of the upper surface of the subsequent lamp strip are guaranteed.
As shown in fig. 11, the lamp panel 5 is supported by the supporting rubber blocks 21, so that gaps exist around the lamp panel 5, when glue is dispensed, the gaps can be filled with the glue, the lamp panel 5 can be completely included, the sealing performance of the lamp panel is ensured, the sealing performance of the integrally formed process is better, the manufacturing process is lower, and the manufacturing efficiency is higher; in addition, the supporting rubber block 21 and the glue for glue dripping are made of the same material, the compatibility of the supporting rubber block 21 and the glue for glue dripping is good, and after the glue dripping is finished, the supporting rubber block 21 and the glue for glue dripping can be integrated.
Claims (6)
1. A manufacturing method of an LED waterproof lamp strip is characterized by comprising the following steps:
(1) placing a U-shaped supporting rubber block in a rubber groove of a rubber dripping mold, wherein the supporting rubber block comprises a bottom plate and side plates arranged on two sides of the bottom plate, the bottom surface of the bottom plate is attached to the bottom surface of the rubber groove, and the side surfaces of the side plates are attached to the side walls of the rubber groove;
(2) placing the lamp panel of the die bonding wire into a glue groove of a glue dripping mold, separating the bottom surface and the side surface of the lamp panel from the glue groove under the action of a supporting glue block, and forming glue filling gaps at the bottom, the top and two sides of the lamp panel;
(3) glue is dripped in the glue groove by using a glue dripping machine, and the glue is automatically leveled in the glue groove and fills all the glue filling gaps;
(4) the material of the supporting rubber block is the same as that of the glue, the glue and the supporting rubber block are integrated after being solidified, and the whole lamp panel is wrapped to form the LED waterproof lamp strip;
the lamp panel of the die bonding wire comprises a strip-shaped substrate, an LED chip arranged on the substrate, an electronic component arranged on the substrate and a lead arranged at one end of the substrate;
in the step (2), after the lamp panel is placed in the glue groove, two ends of the lamp panel need to be tensioned and fixed through a fixing device, wherein the fixing device comprises a lamp panel fixing mold arranged at one end of the glue dripping film and a spring exerciser arranged at the other end of the glue dripping mold;
the lamp panel fixing mold comprises a lower supporting plate, an upper supporting plate and screw rods arranged at two ends of the lower supporting plate, the upper supporting plate is arranged above the lower supporting plate, through holes are formed in the upper supporting plate corresponding to the screw rods, and the upper ends of the screw rods penetrate through the through holes and then are connected with butterfly nuts; a lower support rod is arranged on the lower support plate corresponding to the glue groove, the upper end of the lower support rod is abutted against the bottom of the lamp panel through a through hole of the glue groove, an upper support rod is arranged on the upper support plate corresponding to the glue groove, and the lower end of the upper support rod is pressed against the lamp panel;
the chest expander includes the mount pad, with mount pad articulated handle and with handle articulated arm-tie, be equipped with the spout on the mount pad, the spout is just right with gluey groove, be equipped with slider and guide arm in the spout, the guide arm passes the slider, it is fixed that the fixing base is passed through at the both ends of guide arm, be equipped with reset spring between the fixing base of slider and guide arm one of them end, be equipped with on the slider with the first arch of arm-tie complex and protruding with lamp plate lead wire complex second, cover behind the lead wire tip formation coil on the second is protruding.
2. The method of manufacturing a waterproof LED strip according to claim 1, wherein: the supporting rubber block is made of PU (polyurethane) rubber or silica gel.
3. The method of manufacturing a waterproof LED strip according to claim 1, wherein: the width of the cross section of the inner surface of the supporting rubber block is 2-3 mm larger than the width of the lamp panel.
4. The method of manufacturing a waterproof LED strip according to claim 1, wherein: the manufacturing method of the U-shaped supporting rubber block comprises the following steps: dripping glue on the lower die of the U-shaped adhesive tape; forming a U-shaped adhesive tape by closing the upper U-shaped adhesive tape mould and the lower U-shaped adhesive tape mould; and cutting the U-shaped adhesive tape to obtain a supporting adhesive block.
5. The method of manufacturing a waterproof LED strip according to claim 1, wherein: before the step (1), a Teflon coating needs to be sprayed in the glue groove.
6. The method of manufacturing a waterproof LED strip according to claim 1, wherein: the glue dripping mold is provided with more than one glue grooves which are arranged in parallel, the number of glue dripping heads of the glue dripping machine is the same as that of the glue grooves, the glue dripping heads are located above the glue grooves during glue dripping, the glue dripping heads move back and forth for 2-4 times, and the glue dripping speed of the glue dripping heads is 0.25 m/s.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727082.2A CN110440166B (en) | 2019-08-07 | 2019-08-07 | Manufacturing method of LED waterproof lamp strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727082.2A CN110440166B (en) | 2019-08-07 | 2019-08-07 | Manufacturing method of LED waterproof lamp strip |
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| CN110440166A CN110440166A (en) | 2019-11-12 |
| CN110440166B true CN110440166B (en) | 2021-11-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113551162A (en) * | 2020-04-25 | 2021-10-26 | 铜陵睿智新材料科技有限公司 | LED (light-emitting diode) adhesive-dripping lamp belt and manufacturing method thereof |
| CN113108254A (en) * | 2021-05-08 | 2021-07-13 | 珠海金太节能科技有限公司 | Composite waterproof explosion-proof high-luminous-efficiency LED (light-emitting diode) refrigeration house lighting lamp |
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| CN106041564A (en) * | 2016-07-23 | 2016-10-26 | 彭波 | Fixture suitable for workpiece machining |
| CN108198916A (en) * | 2018-03-12 | 2018-06-22 | 黄琴 | A kind of LED light source point glue equipment |
| CN108231963A (en) * | 2018-03-12 | 2018-06-29 | 黄琴 | A kind of overlength flexible LED light source glue spreading apparatus |
| CN109201952A (en) * | 2018-06-15 | 2019-01-15 | 屈雷涛 | A kind of discarded reinforcing bar straightening apparatus for building |
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