CN111312880B - LED support and production method thereof - Google Patents
LED support and production method thereof Download PDFInfo
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- CN111312880B CN111312880B CN201911069513.7A CN201911069513A CN111312880B CN 111312880 B CN111312880 B CN 111312880B CN 201911069513 A CN201911069513 A CN 201911069513A CN 111312880 B CN111312880 B CN 111312880B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
Abstract
The invention relates to an LED bracket and a production method thereof. The production method of the LED bracket comprises the following steps: arranging a first conductive terminal and a second conductive terminal on a positioning die at intervals, wherein the first conductive terminal comprises a first sheet body and a first waste material piece which are divided along a first cutting line, and the second conductive terminal comprises a second sheet body and a second waste material piece which are divided along a second cutting line; the positioning mould is provided with a first blocking part and a second blocking part which are close to the first conductive terminal and the second conductive terminal; forming a bracket shell on the first sheet body and the second sheet body through injection molding, forming a first glue overflow part and a second glue overflow part between the first sheet body, the second sheet body, the waste part, the blocking part and the bracket shell, wherein the transverse widths of the first glue overflow part and the second glue overflow part respectively exceed a first cutting line and a second cutting line; and cutting along the first cutting line to remove the first waste part and the redundant first glue overflowing part, and cutting along the second cutting line to remove the second waste part and the redundant second glue overflowing part. The production method has lower processing difficulty and better formed plastic effect.
Description
Technical Field
The invention relates to the technical field of LEDs, in particular to an LED bracket and a production method thereof.
Background
At present, the LED bracket includes an anode conductive terminal 1 ', a cathode conductive terminal 2 ', and a bracket body 3 ' injection molded on the anode conductive terminal 1 ' and the cathode conductive terminal 2 '.
Referring to fig. 1, during injection molding, a first injection molding region is reserved between the positive conductive terminal 1 'and the bracket main body 3', and a first flash 4 'is formed in the first injection molding region, and a second injection molding region is reserved between the negative conductive terminal 2' and the bracket main body 3 ', and a second flash 5' is formed in the second injection molding region; referring to fig. 2, the excess portions of the first flash 4 'and the second flash 5' are finally cut. The first flash 4 ' and the second flash 5 ' are located at the corner of the bracket main body 3 ', and the cut surfaces of the first flash and the second flash are both provided with filiform plastic burrs, and are easy to have bad phenomena such as breakage, fracture and the like.
Disclosure of Invention
Therefore, it is necessary to provide a method for producing an LED bracket, which can reduce the processing difficulty, has a better effect of the formed plastic flash, and does not generate burrs, damages and press copper wires, and an LED bracket processed by the method, for solving the problem of poor effect of the plastic flash formed by injection molding and connected with a conductive terminal.
A production method of an LED bracket comprises the following steps:
providing a first conductive terminal and a second conductive terminal, wherein the first conductive terminal and the second conductive terminal are arranged on a positioning die at intervals, the first conductive terminal comprises a first sheet body and a first waste material piece, the first sheet body and the first waste material piece are divided along a first cutting line, the second conductive terminal comprises a second sheet body and a second waste material piece, and the second sheet body and the second waste material piece are divided along a second cutting line;
a first blocking part close to the first conductive terminal and a second blocking part close to the second conductive terminal are arranged on the positioning die in a protruding mode;
injection molding to combine the first sheet body and the second sheet body to form a support shell, wherein the first sheet body and the second sheet body respectively exceed two opposite sides of the support shell, and a first glue overflow part is formed between the first sheet body, the first waste part, the first blocking part and the support shell through injection molding;
and cutting off the first waste part and the first glue overflowing part exceeding the part of the first cutting line along the first cutting line, and cutting off the second waste part and the second glue overflowing part exceeding the part of the second cutting line along the second cutting line.
According to the LED bracket production method, the width of the first glue overflowing part is set to exceed the first cutting line, and the width of the second glue overflowing part is set to exceed the second cutting line, so that the difficulty in matching and setting between the blocking part and the conductive terminal is reduced, the blocking part and the conductive terminal do not need to be set with high precision, the blocking part and the conductive terminal are specially enlarged in distance, more glue overflowing materials are formed, and the bad phenomena of rough edges and copper wire pressing in the traditional process can not occur in the production injection molding process. And the first overflowing glue piece is formed among the first conductive terminal, the bracket shell and the first blocking part, the second overflowing glue piece is formed among the second conductive terminal, the bracket shell and the second blocking part, the redundant first overflowing glue piece and the redundant second overflowing glue piece are easier to cut and remove, and the bad phenomena of damage, fracture and the like of the cutting surface of the overflowing glue material can not occur.
In one embodiment, the rack housing is square and has a first side, a second side, a third side and a fourth side, the first side is opposite to the third side, the second side is opposite to the fourth side, the first conductive terminal is located on the first side, and the second conductive terminal is located on the third side.
In one embodiment, two first blocking parts are arranged, wherein one first blocking part abuts against the fourth side edge and the joint of the fourth side edge and the first side edge; the other first blocking part is abutted to the second side edge and the joint of the second side edge and the first side edge. The arrangement of the first blocking part can enable the first glue overflowing part to be formed on the side edge of the bracket shell, so that the redundant first glue overflowing part can be conveniently cut and removed; if the first glue overflowing part is formed at the joint of two adjacent side edges of the bracket shell, when the redundant first glue overflowing part is cut and removed, the cutting area is larger, and a corner is formed on the cutting surface, so that the cutting surface is easy to generate bad phenomena such as damage, fracture and the like; the first glue overflowing part is formed on the side edge of the support shell, when the redundant first glue overflowing part is cut and removed, the cutting area is small, the cutting surface is smooth, and the cutting and taking operation effect is better.
In one embodiment, two first flash glue pieces are formed, and each first flash glue piece comprises a first section of glue and a second section of glue, the first section of glue is provided with a first end and a second end which are opposite to each other, the first end of the first section of glue is connected with the first side edge, and the second end of the first section of glue extends in the direction away from the bracket shell; the second section of glue has relative first end and second end, the first end of second section of glue with the second end of first section of glue is connected, the second end of second section of glue to the periphery of support casing turn over to first barrier portion with between the first waste material spare. When the redundant first glue overflowing parts are cut and removed, the operation is more convenient, and the structure of the residual first glue overflowing parts after cutting is better.
In one embodiment, at least one of the following features is included: in the cutting step, the second section of glue and part of the first section of glue are removed along the first cutting line, and only part of the first section of glue connected with the first side edge is reserved; one side of the first section of glue facing the first blocking part is an inclined plane. The effect of forming the residual flash sizing material is better; the structure of the first section of glue is convenient for demoulding with the first blocking part after injection moulding.
In one embodiment, two second blocking parts are arranged, wherein one second blocking part abuts against the fourth side edge and the connection part of the fourth side edge and the third side edge; the other second blocking part is abutted to the second side edge and the joint of the second side edge and the third side edge. The arrangement of the second blocking part can enable the second glue overflowing part to be formed on the side edge of the bracket shell, so that the second glue overflowing part is convenient to cut and remove the redundant second glue overflowing part; if the second glue overflowing part is formed at the joint of two adjacent side edges of the bracket shell, when the redundant second glue overflowing part is cut and removed, the cutting area is larger, and a corner is formed on the cutting surface, so that the cutting surface is easy to generate bad phenomena such as damage, fracture and the like; the second glue overflowing part is formed on the side edge of the support shell, when the redundant second glue overflowing part is cut and removed, the cutting area is small, the cutting surface is smooth, and the cutting and taking operation effect is better.
In one embodiment, two second flash glue pieces are formed, and each second flash glue piece comprises a third section of glue and a fourth section of glue, the third section of glue has a first end and a second end which are opposite, the first end of the third section of glue is connected with the third side edge, and the second end of the third section of glue extends in a direction away from the bracket shell; the fourth section of glue is provided with a first end and a second end which are opposite, the first end of the fourth section of glue is connected with the second end of the third section of glue, and the second end of the fourth section of glue is turned over to the periphery of the support shell to be between the second blocking part and the second waste material part. When the redundant second glue overflowing parts are cut and removed, the operation is more convenient, and the structure of the residual second glue overflowing parts after cutting is better.
In one embodiment, at least one of the following features is included: in the cutting step, the fourth section of glue and part of the third section of glue are removed along the second cutting line, and only part of the third section of glue connected with the third side edge is reserved; and one side of the third section of glue facing the second blocking part is an inclined plane. The effect of forming the residual flash sizing material is better; the structure of the third section of glue is convenient for demoulding with the second blocking part after injection moulding.
The invention also provides an LED bracket which is processed by the production method of the LED bracket, and the LED bracket comprises the following components: a bracket housing; the first sheet body and the second sheet body are arranged on two opposite sides of the support shell at intervals along a first direction, and the end parts of the first sheet body and the second sheet body respectively exceed two opposite sides of the support shell; the first glue overflowing part is arranged at the connecting part of the side surface of the first sheet body and the side surface of the bracket shell; and the second glue overflowing part is arranged at the connecting part of the side surface of the second sheet body and the side surface of the bracket shell. This LED supporting structure is more stable, and the face that cuts of each excessive glue spare is more level and smooth, can not produce deckle edge and press the copper wire.
In one embodiment, a containing portion is formed in the middle of the bracket shell in a concave manner, an isolating piece is arranged between the first sheet body and the second sheet body, the isolating piece is located in the containing portion, an LED chip can be mounted in the containing portion, and two electrodes of the LED chip are electrically connected with the first sheet body and the second sheet body respectively. The LED support is convenient to form stable electric connection, and adverse phenomena such as short circuit are avoided.
Drawings
FIG. 1 is a schematic diagram of a flash structure according to an embodiment of a method for producing an LED support in the prior art;
FIG. 2 is a schematic structural diagram of the LED support of FIG. 1 after cutting off an excessive portion of the flash structure;
FIG. 3 is a schematic structural diagram of an embodiment of a method for manufacturing an LED support according to the present invention;
FIG. 4 is a schematic structural diagram of another embodiment of the method for producing an LED support according to the present invention;
FIG. 5 is a schematic structural diagram of an embodiment of an LED support manufactured according to the present invention;
FIG. 6 is a side view of the LED support of FIG. 5;
FIG. 7 is a schematic structural diagram of another embodiment of an LED support manufactured according to the present invention;
fig. 8 is a side view of the LED cradle shown in fig. 7.
In the drawings, the components represented by the respective reference numerals are listed below:
1', positive conductive terminal; 2', a negative conductive terminal; 3', a bracket main body; 4', a first flash; 5', a second flash; 10. a first conductive terminal; 11. a first sheet body; 12. a first scrap piece; 13. a first cutting line; 20. a second conductive terminal; 21. a second sheet body; 22. a second scrap piece; 23. a second cutting line; 30. positioning a mold; 31. a first blocking portion; 32. a second blocking portion; 40. a bracket housing; 41. an accommodating portion; 42. a first side edge; 43. a second side edge; 44. a third side; 45. a fourth side; 50. a first glue overflow part; 51. a first section of glue; 52. a top surface of the first section of glue; 53. a slope of the first section of glue; 54. a bottom surface of the first section of glue; 55. a second section of glue; 60. a second glue overflow part; 61. a third section of glue; 62. a fourth section of glue; 70. a third glue overflow part; 71. the top surface of the third glue overflow part; 72. the inclined plane of the third glue overflow part; 73. the bottom surface of the third glue overflowing part; 80. an insulating member.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Referring to fig. 3 and 4, in an embodiment, a method for manufacturing an LED support includes the following steps:
providing a first conductive terminal 10 and a second conductive terminal 20, wherein the first conductive terminal 10 and the second conductive terminal 20 are arranged on a positioning die 30 at intervals, the first conductive terminal 10 comprises a first sheet body 11 and a first waste material 12 which are connected with each other, the first sheet body 11 and the first waste material 12 are divided along a first cutting line 13, the second conductive terminal 20 comprises a second sheet body 21 and a second waste material 22 which are connected with each other, and the second sheet body 21 and the second waste material 22 are divided along a second cutting line 23;
a first blocking part 31 close to the first conductive terminal 10 and a second blocking part 32 close to the second conductive terminal 20 are protrudingly arranged on the positioning die 30;
the first sheet body 11 and the second sheet body 21 are combined to form a support shell 40 through injection molding, two ends of the first sheet body 11 and two ends of the second sheet body 21 respectively exceed two opposite sides of the support shell 40, and a first glue overflow part 50 is formed among the first sheet body 11, the first waste part 12, the first blocking part 31 and the support shell 40 through injection molding, a second glue overflow part 60 is formed among the second sheet body 21, the second waste part 22, the second blocking part 32 and the support shell 40 through injection molding, the width of the first glue overflow part 50 extending from the support shell 40 to the first waste part 12 exceeds the first cutting line 13, and the width of the second glue overflow part 60 extending from the support shell 40 to the second waste part 22 exceeds the second cutting line 23;
and cutting the parts of the first waste material part 12 and the first glue overflowing part 50 exceeding the first cutting line 13 along the first cutting line 13, and cutting the parts of the second waste material part 22 and the second glue overflowing part 60 exceeding the second cutting line 23 along the second cutting line 23 to finally obtain the finished LED bracket.
According to the LED bracket production method, the width of the first glue overflowing part 50 is set to exceed the first cutting line 13, and the width of the second glue overflowing part 60 is set to exceed the second cutting line 23, so that the matching setting difficulty between the blocking part and the conductive terminal is reduced, the blocking part and the conductive terminal do not need to be set with high precision, the distance is specially enlarged, more glue overflowing materials are formed, and the bad phenomena of rough edges and copper pressing wires in the traditional process can not occur in the production injection molding process. Moreover, the first glue overflow element 50 is formed among the first conductive terminal 10, the support shell 40 and the first blocking portion 31, and the second glue overflow element 60 is formed among the second conductive terminal 20, the support shell 40 and the second blocking portion 32, so that the redundant first glue overflow element 50 and the redundant second glue overflow element 60 are easier to cut and remove, and the defective phenomena of damage, fracture and the like of the glue overflow material cutting surface can not occur.
Referring to fig. 5, it can be understood that, in the injection molding step, an injection molding glue inlet is formed between the first blocking portion 31 and the second blocking portion 32 at an interval, an isolation member 80 is formed between the first sheet 11 and the second sheet 21, and the isolation between the first sheet 11 and the second sheet 21 is ensured by the isolation member 80, so as to avoid short circuit. Specifically, a third glue overflow element 70 is formed between the first blocking portion 31 and the second blocking portion 32 by injection molding, and the third glue overflow element 70 is cut and removed at last. Further, the position where the first blade 11 is spaced apart from the second blade 21 may be located right between the first stopper 31 and the second stopper 32. The holder case 40 is protrudingly formed on the same face of the first sheet 11 and the second sheet 21, and the holder case 40 is concavely formed at the middle thereof with a receiving portion 41, and the insulating member 80 is just positioned in the receiving portion 41. In actual operation, the LED chip is mounted in the accommodating portion 41, and both electrodes of the LED chip are electrically connected to the first sheet 11 and the second sheet 21, respectively.
Referring to fig. 3 and 6, in an embodiment, the side surface of the third glue overflow element 70 contacting the first blocking portion 31 and the second blocking portion 32 is an inclined surface to form a draft angle, so that the third glue overflow element 70 and the positioning mold 30 can be easily removed from the mold after the injection molding. The third glue overflow member 70 includes a top surface and a bottom surface opposite to each other, the top surface 71 of the third glue overflow member faces the rack housing 40, the inclined surface 72 of the third glue overflow member is connected between the top surface 71 of the third glue overflow member and the bottom surface 73 of the third glue overflow member, and an included angle theta is formed between the inclined surface 72 of the third glue overflow member and the bottom surface 73 of the third glue overflow member1And the draft angle can be better formed by being larger than 90 degrees.
Referring to fig. 7, in an embodiment, the injection molded rack housing 40 is square and has a first side 42, a second side 43, a third side 44 and a fourth side 45, the first side 42 is opposite to the third side 44, the second side 43 is opposite to the fourth side 45, the first conductive terminal 10 is located on the first side 42, and the second conductive terminal 20 is located on the third side 44.
Referring to fig. 3 and 7, in an embodiment, two first blocking portions 31 are provided, wherein one of the first blocking portions 31 abuts against the fourth side 45 and a connection portion between the fourth side 45 and the first side 42; the other first blocking portion 31 abuts against the second side 43 and the joint of the second side 43 and the first side 42. The first glue overflow element 50 is formed in two parts and includes a first section of glue 51 and a second section of glue 55. The first section of glue 51 has a first end and a second end opposite to each other, the first end of the first section of glue 51 is connected to the first side edge 42, and the second end of the first section of glue 51 extends in a direction away from the bracket shell 40; the second section of glue 55 has a first end and a second end opposite to each other, the first end of the second section of glue 55 is connected with the second end of the first section of glue 51, and the second end of the second section of glue 55 is folded to the periphery of the bracket shell 40 and is folded between the first blocking part 31 and the first waste part 12. The arrangement of the first blocking portion 31 enables the first glue overflow element 50 to be formed on the side edge of the bracket shell 40, so that the excess first glue overflow element 50 can be cut and removed conveniently; if the first glue overflow element 50 is formed at the joint of two adjacent sides of the bracket shell 40, when the redundant first glue overflow element 50 is cut and removed, the cutting area is larger, and a corner is formed on the cutting surface, so that the cutting surface is easy to generate bad phenomena such as damage, fracture and the like; the first glue overflowing part 50 is formed on the side edge of the support shell 40, so that when the redundant first glue overflowing part 50 is cut and removed, the cutting area is small, the cutting surface is flat, and the cutting and taking operation effect is better.
Referring to fig. 3 and 8, in the cutting step, the second section of glue 55 and a portion of the first section of glue 51 are removed along the first cutting line 13, and only a portion of the first section of glue 51 connected to the first side 42 is remained, so that the operation is more convenient, and the structure of the remaining first glue overflow element 50 after cutting is better. It can be understood that one side of the first section of glue 51 facing the first blocking portion 31 is an inclined surface, so that a draft angle can be formed, and after the injection molding is completed, the first section of glue 51 is conveniently released from the positioning mold 30. Specifically, the first section of glue 51 comprises a top surface and a bottom surface which are opposite, the top surface 52 of the first section of glue faces the bracket shell 40, the inclined surface 53 of the first section of glue is connected between the top surface 52 of the first section of glue and the bottom surface 54 of the first section of glue, and an included angle theta is formed between the inclined surface 53 of the first section of glue and the bottom surface 54 of the first section of glue2And the draft angle can be better formed by being larger than 90 degrees.
Referring to fig. 3 and 7, further, in another embodiment, two second blocking portions 32 are provided, wherein one of the second blocking portions 32 abuts against the fourth side 45 and a connection portion between the fourth side 45 and the third side 44; the other second blocking portion 32 abuts on the second side 43 and the joint of the second side 43 and the third side 44. The second glue overflow part 60 is formed with two, and both include a third section of glue 61 and a fourth section of glue 62. The third section of glue 61 has a first end and a second end opposite to each other, the first end of the third section of glue 61 is connected to the third side edge 44, and the second end of the third section of glue 61 extends in a direction away from the rack housing 40; the fourth section of glue 62 has a first end and a second end opposite to each other, the first end of the fourth section of glue 62 is connected to the second end of the third section of glue 61, and the second end of the fourth section of glue 62 is folded to the periphery of the stent shell 40 and is folded between the second blocking portion 32 and the second waste 22. The second blocking portion 32 is arranged such that the second glue overflow element 60 is formed on the side of the bracket shell 40, which facilitates cutting and removing the excess second glue overflow element 60; if the second glue overflowing part 60 is formed at the joint of two adjacent side edges of the bracket shell 40, when the redundant second glue overflowing part 60 is cut and removed, the cutting area is larger, and a corner is formed on the cutting surface, so that the cutting surface is easy to generate bad phenomena such as damage, fracture and the like; the second glue overflowing part 60 is formed on the side edge of the bracket shell 40, so that when the redundant second glue overflowing part 60 is cut and removed, the cutting area is small, the cutting surface is flat, and the cutting and taking operation effect is better.
In the cutting step, the fourth section of glue 62 and a part of the third section of glue 61 are removed along the second cutting line 23, and only a part of the third section of glue 61 connected with the third side edge 44 is remained, so that the operation is more convenient, and the structure of the remaining second glue overflowing part 60 after cutting is better. It can be understood that one side of the third section of glue 61 facing the second blocking portion 32 is an inclined surface, so that a draft angle can be formed, and after the injection molding is completed, the third section of glue 61 can be conveniently released from the positioning mold 30. Specifically, the third section of glue 61 comprises a top surface and a bottom surface which are opposite, the top surface of the third section of glue 61 faces the bracket shell 40, the inclined surface of the third section of glue 61 is connected between the top surface of the third section of glue 61 and the bottom surface of the third section of glue 61, and an included angle formed between the inclined surface of the third section of glue 61 and the bottom surface of the third section of glue 61 is larger than 90 degrees, so that a pattern draft angle can be formed better.
Referring to fig. 5 and 7, the invention also discloses an LED bracket processed by the above-mentioned LED bracket production method, the LED bracket includes: the bracket comprises a bracket shell 40, a first sheet body 11, a second sheet body 21, two first glue overflow pieces 50, two second glue overflow pieces 60 and two third glue overflow pieces 70. The bracket shell 40 is protruded on the first sheet 11 and the second sheet 21, and one end of the first sheet 11 is spaced from one end of the second sheet 21, the other end of the first sheet 11 extends to the outside of the bracket shell 40 and exceeds the first side 42, and the other end of the second sheet 21 extends to the outside of the bracket shell 40 and exceeds the third side 44. The two first glue overflowing parts 50 are arranged at the joint of the side surface of the first sheet body 11 and the side surface of the bracket shell 40, the two second glue overflowing parts 60 are arranged at the joint of the side surface of the second sheet body 21 and the side surface of the bracket shell 40, and the two third glue overflowing parts 70 are respectively arranged on the second side edge 43 and the fourth side edge 45 of the bracket shell 40. This LED supporting structure is more stable, and the face that cuts of each excessive glue spare is more level and smooth, can not produce deckle edge and press the copper wire. Referring to fig. 8, in the embodiment, the maximum width dimension w of the first glue overflow element 50 and the second glue overflow element 60 is greater than 0.02mm, and the thickness dimension d of the first glue overflow element 50 and the second glue overflow element 60 along the protruding direction of the rack housing 40 is greater than or equal to 0.1 mm.
It is understood that in the actual production process, in order to improve the production efficiency, the LED support is produced in batch. Specifically, a long conductive terminal strip is arranged, a plurality of first conductive terminals 10 and second conductive terminals 20 are processed on the conductive terminal strip step by step, the first conductive terminals 10 and the second conductive terminals 20 are arranged in a one-to-one correspondence manner, one second conductive terminal 20 is adjacent to the other first conductive terminal 10, the processed conductive terminal strip is placed on a positioning mold 30 to be fixed, injection molding is carried out, and finally, a plurality of LED supports are formed through batch cutting.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The production method of the LED bracket is characterized by comprising the following steps:
providing a first conductive terminal and a second conductive terminal, wherein the first conductive terminal and the second conductive terminal are arranged on a positioning die at intervals, the first conductive terminal comprises a first sheet body and a first waste material piece, the first sheet body and the first waste material piece are divided along a first cutting line, the second conductive terminal comprises a second sheet body and a second waste material piece, and the second sheet body and the second waste material piece are divided along a second cutting line;
a first blocking part close to the first conductive terminal and a second blocking part close to the second conductive terminal are arranged on the positioning die in a protruding mode;
injection molding to combine the first sheet body and the second sheet body to form a support shell, wherein the first sheet body and the second sheet body respectively exceed two opposite sides of the support shell, and a first glue overflow part is formed between the first sheet body, the first waste part, the first blocking part and the support shell through injection molding;
and cutting off the first waste part and the first glue overflowing part exceeding the part of the first cutting line along the first cutting line, and cutting off the second waste part and the second glue overflowing part exceeding the part of the second cutting line along the second cutting line.
2. The method of claim 1, wherein the holder housing is square and has a first side, a second side, a third side, and a fourth side, the first side is opposite the third side, the second side is opposite the fourth side, the first conductive terminals are located on the first side, and the second conductive terminals are located on the third side.
3. The method for producing the LED bracket according to claim 2, wherein the number of the first blocking portions is two, and one of the first blocking portions abuts against the fourth side and a joint of the fourth side and the first side; the other first blocking part is abutted to the second side edge and the joint of the second side edge and the first side edge.
4. The method for producing the LED bracket according to claim 3, wherein two first flash parts are formed and each comprise a first section of glue and a second section of glue, the first section of glue has a first end and a second end which are opposite to each other, the first end of the first section of glue is connected with the first side edge, and the second end of the first section of glue extends in a direction away from the bracket shell; the second section of glue has relative first end and second end, the first end of second section of glue with the second end of first section of glue is connected, the second end of second section of glue to the periphery of support casing turn over to first barrier portion with between the first waste material spare.
5. The method of producing an LED support according to claim 4,
in the cutting step, the second section of glue and part of the first section of glue are removed along the first cutting line, and only part of the first section of glue connected with the first side edge is reserved; or
One side of the first section of glue facing the first blocking part is an inclined plane.
6. The method for producing the LED bracket according to claim 2, wherein the number of the second blocking portions is two, and one of the second blocking portions abuts against the fourth side and a connection part of the fourth side and the third side; the other second blocking part is abutted to the second side edge and the joint of the second side edge and the third side edge.
7. The method for producing the LED bracket according to claim 6, wherein two second flash pieces are formed and each of the two second flash pieces comprises a third section of glue and a fourth section of glue, the third section of glue has a first end and a second end which are opposite to each other, the first end of the third section of glue is connected with the third side edge, and the second end of the third section of glue extends in a direction away from the bracket shell; the fourth section of glue is provided with a first end and a second end which are opposite, the first end of the fourth section of glue is connected with the second end of the third section of glue, and the second end of the fourth section of glue is turned over to the periphery of the support shell to be between the second blocking part and the second waste material part.
8. The method of producing an LED support according to claim 7,
in the cutting step, the fourth section of glue and part of the third section of glue are removed along the second cutting line, and only part of the third section of glue connected with the third side edge is reserved; or
And one side of the third section of glue facing the second blocking part is an inclined plane.
9. An LED support, manufactured by the LED support manufacturing method of any one of claims 1 to 8, the LED support comprising:
a bracket housing;
the first sheet body and the second sheet body are arranged on two opposite sides of the support shell at intervals along a first direction, and the end parts of the first sheet body and the second sheet body respectively exceed two opposite sides of the support shell;
the first glue overflowing part is arranged at the connecting part of the side surface of the first sheet body and the side surface of the bracket shell; and
the second glue overflowing part is arranged at the joint of the side surface of the second sheet body and the side surface of the bracket shell.
10. The LED support according to claim 9, wherein a receiving portion is formed in the middle of the support housing, an insulating member is disposed between the first sheet and the second sheet, the insulating member is located in the receiving portion, an LED chip can be mounted in the receiving portion, and two electrodes of the LED chip are electrically connected to the first sheet and the second sheet, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911069513.7A CN111312880B (en) | 2019-11-05 | 2019-11-05 | LED support and production method thereof |
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| CN201911069513.7A CN111312880B (en) | 2019-11-05 | 2019-11-05 | LED support and production method thereof |
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| CN111312880A CN111312880A (en) | 2020-06-19 |
| CN111312880B true CN111312880B (en) | 2021-03-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012216657A (en) * | 2011-03-31 | 2012-11-08 | Sanken Electric Co Ltd | Resin molding frame and optical semiconductor device |
| CN102903826B (en) * | 2012-09-19 | 2015-11-25 | 东莞市凯昶德电子科技股份有限公司 | LED support module |
| CN106784272A (en) * | 2016-12-30 | 2017-05-31 | 福建省鼎泰光电科技有限公司 | A kind of production technology of LED support |
| CN207818610U (en) * | 2018-01-15 | 2018-09-04 | 惠州市泰基精密电子有限公司 | A kind of LED support having detent mechanism |
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