CN202909892U - Needle tube, glue dispensing needle head and glue dispensing machine used for dispensing glues to square chamber - Google Patents
Needle tube, glue dispensing needle head and glue dispensing machine used for dispensing glues to square chamber Download PDFInfo
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- CN202909892U CN202909892U CN 201220318360 CN201220318360U CN202909892U CN 202909892 U CN202909892 U CN 202909892U CN 201220318360 CN201220318360 CN 201220318360 CN 201220318360 U CN201220318360 U CN 201220318360U CN 202909892 U CN202909892 U CN 202909892U
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- dispensing
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Abstract
The utility model provides a needle tube, a glue dispensing needle head and a glue dispensing machine used for dispensing glues to a square chamber. The needle tube is specially used for dispensing the glues to an LED (Light Emitting Diode) with the square chamber; a needle hole formed in the head part of the glue dispensing needle tube is formed as a rectangular needle hole; and compared with the traditional needle hole, the rectangular needle hole can be preferably matched with the square chamber of the LED, so that glue overflow situations can be avoided while the glue dispensing efficiency can be guaranteed; and as the needle hole is matched with the chamber of the LED in shape, an injection blind area in the LED chamber can be reduced as much as possible, so that the glue dispensing uniformity is improved and the performance and quality of an LED finished product are guaranteed.
Description
Technical field
The utility model relates to the LED field, relates in particular to a kind of needle tubing, dispensing needle head and point gum machine that is used to square cavity point glue.
Background technology
In the encapsulation process of LED, have a very important step exactly LED to be carried out a glue, and the quality of some glue can have very large impact to the LED end properties.See also Fig. 1 and Fig. 2, the pin hole of the head 1 of employed some plastic pin all is circular pin hole 11 in a glue process at present, and the cross section of existing some plastic pin pipe also all is circular; And the shape of at present more common LED sealing cavity also has square etc.For square cavity, existing circular some plastic pin pipe all can not mate with the strip cavity preferably regardless of the shape or the shape of cross section that are its pin hole.And in order to guarantee injecting glue efficient, in a glue process, the circular pin hole of operated by rotary motion is enough large, causes easily occurring that the width of the relatively square cavity of circular pin hole internal diameter is excessive causes occurring in a glue process glue situation of overflowing, in the time of the waste packaging plastic, affected again the quality and performance of LED finished product.If consider the coupling of size and the width than square cavity that circular pin hole internal diameter is done is little or be complementary with the width of square cavity, although can solve above-mentioned overflowing than problem, but because the cross section of the relative cavity of cross section of pin hole is little, and owing to not mating of shape, can cause in the injecting glue process cavity internal memory more by a blind area that the plastic pin pipe can not be expelled to, and then cause the uniformity of glue in cavity to reduce, affect LED end properties and quality; Simultaneously, also can greatly reduce the efficient of injecting glue.
The utility model content
The main technical problems to be solved in the utility model is, a kind of needle tubing, syringe needle and point gum machine are provided, and solves existing some plastic pin pipe and LED cavity and do not mate the problem that causes in the injecting glue process excessive glue or injecting glue lack of homogeneity.
For solving the problems of the technologies described above, the utility model provides a kind of needle tubing that is used to square cavity point glue, it is characterized in that, the pin hole of described needle tubing head is rectangle pin hole or square pin hole.
The utility model also provides a kind of dispensing needle head, comprises needle stand and at least one aforesaid needle tubing that is arranged on the described needle stand.
The utility model also provides a kind of point gum machine, comprises frame and at least one the aforesaid syringe needle that is arranged on the described frame.
The beneficial effects of the utility model are:
The utility model provides a kind of needle tubing, dispensing needle head and point gum machine that is used to square cavity point glue, this needle tubing can be specifically designed to for cavity be foursquare LED point glue, the pin hole of some plastic pin tube head is set to rectangle or square pin hole, relatively existing circular pin hole, can be better and the foursquare cavity of LED mate, can in guarantee point glue efficient, can avoid again occurring the glue situation of overflowing; Because the shape of pin hole and the cavity geometry of LED more mate, therefore can reduce as much as possible the injection blind area in the LED cavity, and then improve the uniformity of some glue, guaranteed LED end properties and quality.
Description of drawings
Fig. 1 is the head construction schematic diagram of a kind of some plastic pin pipe;
The cross sectional representation of the head of the some plastic pin pipe that Fig. 2 is shown in Figure 1;
Fig. 3 is the head construction schematic diagram of a kind of some plastic pin pipe of the present utility model;
The cross sectional representation of the head of the some plastic pin pipe that Fig. 4 is shown in Figure 3;
Fig. 5 is the head construction schematic diagram of the another kind of point of the utility model plastic pin pipe;
The cross sectional representation of the head of the some plastic pin pipe that Fig. 6 is shown in Figure 5.
The specific embodiment
In order better to understand the utility model, by reference to the accompanying drawings the utility model is described in further detail below by the specific embodiment.
It is foursquare LED point glue that needle tubing in the present embodiment is used to cavity, and the cavity of LED refers to the cavity that is used for placing led chip and accommodating packaging plastic that arranges on the support of LED herein.Be understandable that, the needle tubing that is used for some glue comprises the pin hole that runs through its two ends, wherein the end that cooperates with LED in a glue process of needle tubing is the head of needle tubing, also can be described as glue-extruding end, the other end of needle tubing then can be described as into the glue end, in the some glue process, glue is flowed into by the glue end that advances of needle tubing, and the head of needle tubing (being glue-extruding end) injects the cavity of LED.The pin hole of the head of needle tubing is set to the rectangle pin hole in the present embodiment, specifically can be rectangle pin hole or square pin hole.Because the pin hole of needle tubing head is the rectangle pin hole, with respect to existing circular pin hole, can be better and the square cavity coupling of LED, therefore can reduce as much as possible the injection blind area in the LED square cavity, the uniformity of a raising glue; Can in guarantee point glue efficient, avoid occurring the glue situation of overflowing again simultaneously; Guarantee LED end properties and quality, improved the yield rate of product.
When being square for the cavity of LED, the pin hole of the head of needle tubing is arranged to rectangle pin hole or square pin hole in theory, and the effect of more existing circular pin hole injecting glue all can have greatly and promotes, for example:
When the cavity of LED is square cavity, see also Fig. 3 and shown in Figure 4, the pin hole of the head 3 of needle tubing is square pin hole 31; Because the pin hole of the head 3 of the needle tubing that cooperates with LED is square pin hole 31, therefore can realize and the perfect cooperation of square cavity, eliminate the injection blind area fully, can when guaranteeing injection efficiency, guarantee the uniformity of injecting glue.
When in some cases, in the injecting glue process, in the time of need to stretching into head 3 parts of needle tubing in the LED cavity, in order to guarantee better matching degree, also the cross section of the head 3 of needle tubing also can be arranged to square in the present embodiment, seeing also Fig. 4, also is that inwall 32 and the shape that outer wall 33 encloses of the head 3 of needle tubing also all is square.
When the cavity of LED is square cavity, see also Fig. 5 and shown in Figure 6, the pin hole of the head 5 of needle tubing also can be rectangle pin hole 51; Because the pin hole of the head 5 of the needle tubing that cooperates with LED is rectangle pin hole 51, as long as suitable its size of design, just can make the matching degree of itself and square cavity circular better with foursquare matching degree, can reduce as much as possible the injection blind area, can when guaranteeing injection efficiency, guarantee the uniformity of injecting glue.
In like manner, in some cases, in the injecting glue process, in the time of need to stretching into head 5 parts of needle tubing in the LED cavity, in order to guarantee better matching degree, also the cross section of the head 5 of needle tubing also can be arranged to rectangle in the present embodiment, see also Fig. 6, also be that the inwall 52 of head 5 of needle tubing and the shape that outer wall 53 encloses also all are squares.
Should be understood that, the shape of the pin hole at other positions of needle tubing in the present embodiment, large I are consistent with the pin hole shape of its head, also can be inconsistent, as long as satisfy the pin hole shape of head of needle tubing and the cavity geometry of LED mates as far as possible.
Should be understood that, needle tubing in the present embodiment both can be used for manual some glue, also can be arranged on at least one needle tubing being arranged on the needle stand being used for putting glue at point gum machine, being specially on the syringe needle of a glue, concrete needle tubing can be selected to arrange according to the factors such as size of LED cavity; The needle stand that then will install needle tubing is installed on the frame of point gum machine (sequencing of installation be not limited to this a kind of), then with the head position of the cavity position of LED and the needle tubing on the point gum machine to good, a stable air pressure of giving by point gum machine, glue is realized the some glue of LED cavity in the stable injection LED cavity of the syringe needle of needle tubing.
Should be understood that, the needle tubing in the present embodiment in a glue process, can one the corresponding LED of needle tubing, also can many corresponding LED of needle tubing.
Above content is in conjunction with concrete embodiment further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. a needle tubing that is used to square cavity point glue is characterized in that, the pin hole of described needle tubing head is rectangle pin hole or square pin hole.
2. a dispensing needle head is characterized in that, comprises needle stand and at least one needle tubing as claimed in claim 1 that is arranged on the described needle stand.
3. a point gum machine is characterized in that, comprises frame and at least one syringe needle as claimed in claim 2 that is arranged on the described frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318360 CN202909892U (en) | 2012-07-03 | 2012-07-03 | Needle tube, glue dispensing needle head and glue dispensing machine used for dispensing glues to square chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318360 CN202909892U (en) | 2012-07-03 | 2012-07-03 | Needle tube, glue dispensing needle head and glue dispensing machine used for dispensing glues to square chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202909892U true CN202909892U (en) | 2013-05-01 |
Family
ID=48158237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220318360 Expired - Fee Related CN202909892U (en) | 2012-07-03 | 2012-07-03 | Needle tube, glue dispensing needle head and glue dispensing machine used for dispensing glues to square chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202909892U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511394A (en) * | 2013-09-30 | 2015-04-15 | 无锡华润安盛科技有限公司 | Dispensing head and dispensing device |
| CN107309134A (en) * | 2016-04-26 | 2017-11-03 | 努比亚技术有限公司 | A kind of dispensing needle head, point glue equipment and dispensing method |
| CN111842029A (en) * | 2020-08-11 | 2020-10-30 | 深圳市海目星激光智能装备股份有限公司 | Dispensing needle head assembly and dispensing device |
-
2012
- 2012-07-03 CN CN 201220318360 patent/CN202909892U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104511394A (en) * | 2013-09-30 | 2015-04-15 | 无锡华润安盛科技有限公司 | Dispensing head and dispensing device |
| CN107309134A (en) * | 2016-04-26 | 2017-11-03 | 努比亚技术有限公司 | A kind of dispensing needle head, point glue equipment and dispensing method |
| CN107309134B (en) * | 2016-04-26 | 2020-10-16 | 努比亚技术有限公司 | Dispensing needle head, dispensing device and dispensing method |
| CN111842029A (en) * | 2020-08-11 | 2020-10-30 | 深圳市海目星激光智能装备股份有限公司 | Dispensing needle head assembly and dispensing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20200703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |