CN203994517U - Hot runner valve needle construction and hot flow path enter adhesive dispenser - Google Patents
Hot runner valve needle construction and hot flow path enter adhesive dispenser Download PDFInfo
- Publication number
- CN203994517U CN203994517U CN201420363263.4U CN201420363263U CN203994517U CN 203994517 U CN203994517 U CN 203994517U CN 201420363263 U CN201420363263 U CN 201420363263U CN 203994517 U CN203994517 U CN 203994517U
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- hot
- valve needle
- flow path
- protuberance
- runner valve
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Abstract
The utility model discloses a kind of hot runner valve needle construction, be connected on the hot mouth of hot flow path body, it comprises needle body, one end of this needle body is connected on hot mouth, the relative other end has the protuberance to downward-extension, the cross-sectional area of this protuberance is less than the cross-sectional area of needle body, this protuberance stretches in workpiece, between its outer wall and workpiece inwall, forms runner.In addition, the invention also discloses a kind of hot flow path that comprises this hot runner valve needle construction and enter adhesive dispenser.The utility model compared with prior art, can prevent the generation of workpiece upper stress trace effectively, ensures the quality of product.
Description
Technical field
The utility model relates to a kind of needle structure, is specifically related to a kind of hot runner valve needle construction and hot flow path and enters adhesive dispenser.
Background technology
At present, for T shape workpiece enter glue operation, hot flow path enters adhesive dispenser application more widely, it is mainly by the plastic emitting of air cylinder driven hot flow path body, then enter the inside of glue to T shape workpiece by the needle of hot flow path body bottom, complete whole enter the process of glue operation.
But, in our entering in glue operation T shape workpiece usually, because needle is all directly to play glue to its inside from the opening part of T shape workpiece by the gum outlet of its bottom, when playing glue downwards, needle can form a downward impulsive force to T shape workpiece inwall, make T shape workpiece to leaving some stress traces on the outer wall of inwall, affect the quality of workpiece.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of hot runner valve needle construction that can effectively prevent surface of the work stress trace, also provides a kind of hot flow path that comprises this hot runner valve needle construction to enter adhesive dispenser simultaneously.
In order to achieve the above object, the technical solution of the utility model is as follows: hot runner valve needle construction, be connected on hot flow path cylinder, it comprises needle body, one end of this needle body is connected on described hot flow path cylinder, the relative other end has the protuberance to downward-extension, the cross-sectional area of this protuberance is less than the cross-sectional area of needle body, and this protuberance stretches in workpiece, between its outer wall and workpiece inwall, forms runner.
Further, the process that above-mentioned protuberance extends from hot mouth to workpiece, its cross-sectional area diminishes gradually.
Further, in above-mentioned protuberance, also laterally offer at least one passage.
Further, the junction of above-mentioned protuberance and needle body is circumferentially provided with fillet surface along protuberance.
Further, above-mentioned fillet surface is cambered surface.
Further, the free end of above-mentioned protuberance is a cambered surface.
Further, the longitudinal section of above-mentioned protuberance is a semiellipse.
Further, the longitudinal section of above-mentioned protuberance is an inverted triangle.
Further, the free end of above-mentioned protuberance offers plane.
Hot flow path enters adhesive dispenser, comprises hot flow path body and is divided into hot flow path cylinder and the Re Zui at these hot flow path body two ends, and it also comprises hot runner valve needle construction as above, and it is connected on this hot flow path cylinder.
Adopt the beneficial effect of technique scheme to be:
1) hot runner valve needle construction of the present utility model has the protuberance to downward-extension by needle body, the cross-sectional area of this protuberance is less than the cross-sectional area of needle body, and this protuberance stretches in workpiece, between its outer wall and workpiece inwall, form runner, this runner is used for the inside into glue to workpiece, by this runner, make colloid by original glue of directly beating to a point or a part of region on the inwall of workpiece, be transformed into by turning again and enter into the inside of whole workpiece after moving downward, original directly disappears with contacting immediately of inwall, so just can effectively prevent the generation of workpiece upper stress trace, ensure the quality of product,
2) hot flow path of the present utility model enters adhesive dispenser owing to having adopted this hot runner valve needle construction, has equally effectively prevented the generation of workpiece upper stress trace, has ensured the quality of product.
Brief description of the drawings
Fig. 1 is the structural representation of hot runner valve needle construction of the present utility model.
Fig. 2 is the enlarged drawing of A portion in Fig. 1.
Fig. 3 is the structural representation of hot runner valve needle construction of the present utility model at another kind of embodiment.
Fig. 4 is the structural representation of hot runner valve needle construction of the present utility model at another kind of embodiment.
Fig. 5 is the structural representation of hot runner valve needle construction of the present utility model at another kind of embodiment.
Fig. 6 is the structural representation that hot flow path of the present utility model enters adhesive dispenser.
Wherein, 1. hot mouth 3. protuberance 31. passage 32. fillet surface 33. free end 4. workpiece 5. runner 61. hot flow path body 62. hot flow path cylinders of needle body 2..
Detailed description of the invention
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
In order to reach the purpose of this utility model, as shown in Fig. 1 and 5, in a kind of embodiment of hot runner valve needle construction of the present utility model, it comprises needle body 1, one end of this needle body 1 is connected on hot flow path cylinder 62, the relative other end has the protuberance 3 to downward-extension, the cross-sectional area of this protuberance 3 is less than the cross-sectional area of needle body 1, this protuberance 3 stretches in workpiece 4, between its outer wall and workpiece 4 inwalls, form runner 5, this runner 5 is specially the gap forming between the vertical portion of workpiece 4 of protuberance 3 and T shape, if protuberance 3 is rounded, it is cylindric that this runner 5 is that gap is, other shapes are also similar, will not enumerate at this.Colloid passes through from this gap, makes colloid be divided into multiply and enters in the lateral part of workpiece 4.
In above-described embodiment, hot runner valve needle construction has the protuberance 3 to downward-extension by needle body 1, the cross-sectional area of this protuberance 3 is less than the cross-sectional area of needle body 1, and this protuberance 3 stretches in workpiece 4, between its outer wall and workpiece 4 inwalls, form runner 5, this runner 5 is for entering the inside of glue to workpiece 4, by this runner 5, make colloid by original glue of directly beating to a point or a part of region on the inwall of workpiece 4, be transformed into by turning again and enter into the inside of whole workpiece 4 after moving downward, original directly disappears with contacting immediately of inwall, so just can effectively prevent the generation of workpiece upper stress trace, ensure the quality of product
In order to optimize further implementation result of the present utility model, as shown in Figure 1, in the another kind of embodiment of hot runner valve needle construction of the present utility model, on the basis of aforementioned content, the process that above-mentioned protuberance 3 extends to workpiece 7 from hot mouth 2, its cross-sectional area diminishes gradually, makes colloid can more successfully enter into inside workpiece.
In order to optimize further implementation result of the present utility model, as shown in Figure 3, in the another kind of embodiment of hot runner valve needle construction of the present utility model, on the basis of aforementioned content, in above-mentioned protuberance 3, also laterally offer a passage 31, the pressure differential producing while can balance protuberance 3 surroundings entering glue, keeps into the uniformity of glue speed and effect, and this passage 31 also can be arranged to parallel or many of intersecting.
In order to optimize further implementation result of the present utility model, as illustrated in fig. 1 and 2, in the another kind of embodiment of hot runner valve needle construction of the present utility model, on the basis of aforementioned content, the junction of above-mentioned protuberance 3 and needle body 1 is circumferentially provided with fillet surface 32 along protuberance 3, can form colloid downward enter smoothly glue.
In order to optimize further implementation result of the present utility model, as illustrated in fig. 1 and 2, in the another kind of embodiment of hot runner valve needle construction of the present utility model, on the basis of aforementioned content, above-mentioned fillet surface 32 is cambered surface, can promote further the efficiency into glue.
In order to optimize further implementation result of the present utility model, as shown in Figure 4, in the another kind of embodiment of hot runner valve needle construction of the present utility model, on the basis of aforementioned content, the free end 33 of above-mentioned protuberance 3 is a cambered surface, can promote further the efficiency into glue.
In order to optimize further implementation result of the present utility model, as shown in Figure 4, in the another kind of embodiment of hot runner valve needle construction of the present utility model, on the basis of aforementioned content, the longitudinal section of above-mentioned protuberance 3 is a semiellipse, can promote further the efficiency into glue.
In order to optimize further implementation result of the present utility model, as shown in Figure 5, in the another kind of embodiment of hot runner valve needle construction of the present utility model, on the basis of aforementioned content, the longitudinal section of above-mentioned protuberance 3 is an inverted triangle, can promote further the efficiency into glue.
In order to optimize further implementation result of the present utility model, as shown in Figure 5, in the another kind of embodiment of hot runner valve needle construction of the present utility model, on the basis of aforementioned content, the free end 33 of above-mentioned protuberance 3 offers plane, can promote further the efficiency into glue.
In order to reach the purpose of this utility model, as shown in Figure 6, enter in a kind of embodiment of adhesive dispenser at hot flow path of the present utility model, hot flow path cylinder 62 and hot mouth 2 that it comprises hot flow path body 61 and is divided into these hot flow path body 61 two ends, it also comprises hot runner valve needle construction as above, and it is connected on this hot flow path cylinder 62.This hot flow path enters adhesive dispenser owing to having adopted hot runner valve needle construction of the present utility model, has equally effectively prevented the generation of workpiece upper stress trace, has ensured the quality of product.
Introduce the course of work of the present utility model below, shown in Fig. 1-5, when moulding, hot flow path cylinder 62 valve needle move upward, the import of runner 5 is opened, and melt plastic cement enters mold cavity along arrow direction by hot flow path glue-feeder, after filling, hot flow path cylinder 62 valve needle move upward, and runner import is closed.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. hot runner valve needle construction, be connected on hot flow path cylinder, it is characterized in that, comprise needle body, one end of described needle body is connected on described hot flow path cylinder, the relative other end has the protuberance to downward-extension, the cross-sectional area of described protuberance is less than the cross-sectional area of described needle body, and described protuberance stretches in workpiece, between its outer wall and described workpiece inwall, forms runner.
2. hot runner valve needle construction according to claim 1, is characterized in that, the process that described protuberance extends to described workpiece from described hot mouth, its cross-sectional area diminishes gradually.
3. hot runner valve needle construction according to claim 1 and 2, is characterized in that, also laterally offers at least one passage in described protuberance.
4. hot runner valve needle construction according to claim 1 and 2, is characterized in that, the junction of described protuberance and described needle body is circumferentially provided with fillet surface along described protuberance.
5. hot runner valve needle construction according to claim 4, is characterized in that, described fillet surface is cambered surface.
6. hot runner valve needle construction according to claim 1 and 2, is characterized in that, the free end of described protuberance is a cambered surface.
7. hot runner valve needle construction according to claim 6, is characterized in that, the longitudinal section of described protuberance is a semiellipse.
8. hot runner valve needle construction according to claim 1 and 2, is characterized in that, the longitudinal section of described protuberance is an inverted triangle.
9. hot runner valve needle construction according to claim 8, is characterized in that, the free end of described protuberance offers plane.
10. hot flow path enters adhesive dispenser, comprises hot flow path body and is divided into hot flow path cylinder and the Re Zui at described hot flow path body two ends, it is characterized in that, also comprises the arbitrary described hot runner valve needle construction of claim 1-9, and it is connected on described hot flow path cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420363263.4U CN203994517U (en) | 2014-07-02 | 2014-07-02 | Hot runner valve needle construction and hot flow path enter adhesive dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420363263.4U CN203994517U (en) | 2014-07-02 | 2014-07-02 | Hot runner valve needle construction and hot flow path enter adhesive dispenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203994517U true CN203994517U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420363263.4U Expired - Fee Related CN203994517U (en) | 2014-07-02 | 2014-07-02 | Hot runner valve needle construction and hot flow path enter adhesive dispenser |
Country Status (1)
| Country | Link |
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| CN (1) | CN203994517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070639A (en) * | 2014-07-02 | 2014-10-01 | 亿和精密工业（苏州）有限公司 | Hot flowing channel valve needle structure and hot flowing channel glue inlet device comprising same |
-
2014
- 2014-07-02 CN CN201420363263.4U patent/CN203994517U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104070639A (en) * | 2014-07-02 | 2014-10-01 | 亿和精密工业（苏州）有限公司 | Hot flowing channel valve needle structure and hot flowing channel glue inlet device comprising same |
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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: 20141210 Termination date: 20190702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |