CN209426086U - No waste mine syringe injection mould - Google Patents
No waste mine syringe injection mould Download PDFInfo
- Publication number
- CN209426086U CN209426086U CN201822114490.4U CN201822114490U CN209426086U CN 209426086 U CN209426086 U CN 209426086U CN 201822114490 U CN201822114490 U CN 201822114490U CN 209426086 U CN209426086 U CN 209426086U
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- China
- Prior art keywords
- lower die
- syringe
- type chamber
- injection mould
- waste mine
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Abstract
The utility model belongs to injection mold technology, it is related to a kind of no waste mine syringe injection mould, including upper die and lower die, the upper mold includes upper cores, the lower die includes the type core for having coolant flow channel in lower die Renhe, the upper cores, the type core split of lower die Renhe form the type chamber of syringe-shaped, into glue part there are two the two sides of the type chamber are arranged symmetrically, it is described into glue part include top erection part and lower section beveled tip portion, it is equipped with the inclined flow passage for being connected to the type chamber lateral wall from tip in the beveled tip portion, is equipped with the straight channel for being connected the inclined flow passage in the erection part.This mould structure can allow syringe can quickly injection molding, and demould when material head directly barrel sidewall disconnect, almost without waste material generation, save manpower and the time of reprocessing.
Description
Technical field
The utility model relates to injection mold technology, in particular to a kind of no waste mine syringe injection mould.
Background technique
Injection molding is that plastic products of various shapes are made using mould for plastics in thermoplastic or thermosetting property material
Processing method.For the process of injection molding generally by plastic molten melt, the type by the runner injection mold of mold is intracavitary, then cooling dry
Solid is at required shape.In order to which, by plastics injection type chamber, the volume of runner also can be bigger outside mold, will will form after injection molding
The more mouth of a river.For in the case of smaller for product itself structure, gate waste accounting will be bigger.
Syringe is the plastic part of a kind of volume very little itself.Most of needle cylinder mould all uses cold flowing mould channel in existing market
Tool, or heat turn cold structure to realize formed product.Using existing mould structure, there is a large amount of regrinding-material in when production
Head, molding cycle is long, while it is to generate a large amount of dust that the mouth of a river material head produced is crushed in recycling, seriously pollutes ring
Border；Reclaimed materials forms again, extreme influence product quality, and for medical industry, the utilization of reclaimed materials is to be unable to reach industry
Standard.
It is therefore desirable to develop the new mould structure of one kind to solve problem above.
Utility model content
The main purpose of the utility model is to provide a kind of no waste mine syringe injection moulds, can reduce waste material in runner
It generates, making needle cylinder surface after molding, there are few waste materials.
The utility model is achieved through the following technical solutions above-mentioned purpose: a kind of no waste mine syringe injection mould, including upper mold
And lower die, the upper mold include upper cores, the lower die includes the type core for having coolant flow channel in lower die Renhe, the upper cores,
The type core split of lower die Renhe forms the type chamber of syringe-shaped, and the two sides of the type chamber are symmetrical arranged there are two into glue part, described into glue
Part includes the erection part of top and the beveled tip portion of lower section, is equipped in the beveled tip portion from tip and is connected to the oblique of the type chamber lateral wall
Runner is equipped with the straight channel for being connected the inclined flow passage in the erection part.
Specifically, the upper cores are divided into upper and lower part, and it is described that centre is held on by upper and lower part into glue part, it is described
There are the gaps for being connected to the type chamber between the lower part for the outlet of inclined flow passage.
Further, it is described into glue part into packing element that matching is equipped in the upper cores, it is described that there is collecting post into packing element
State the cavity of erection part, it is described into be equipped in packing element be connected the straight channel into glue runner.
Further, there is insulated space between the outer wall and the upper cores into packing element.
Specifically, having cone match between the type core and the lower mode.
By adopting the above technical scheme, the beneficial effect of technical solutions of the utility model is:
This mould structure can allow syringe can quickly injection molding, and material head is directly disconnected in barrel sidewall when demoulding
It opens, almost without waste material generation, saves manpower and the time of reprocessing.
Detailed description of the invention
Fig. 1 is cross-sectional view when embodiment Injection Mold Formation position molds.
Digital representation in figure:
11- upper cores, 111- insulated space, 12- is into glue part, 121- erection part, 1211- straight channel, 122- beveled tip portion,
1221- inclined flow passage, 13- is into packing element, and 131- is into glue runner；
102- type chamber；
Mode under 21-, 22- type core, 221- coolant flow channel.
Specific embodiment
The utility model is described in further detail combined with specific embodiments below.
Embodiment:
As shown in Figure 1, a kind of no waste mine syringe injection mould of the utility model, including upper die and lower die, upper mold include upper
Mode 11, lower die include lower mode 21 and the interior type core 22 for having coolant flow channel 221, and upper cores 11, lower mode 21 and type core 22 are spelled
The type chamber 102 for forming syringe-shaped is closed, the two sides of type chamber 102 are symmetrical arranged there are two into glue part 12, include top into glue part 12
The beveled tip portion 122 of erection part 121 and lower section is equipped with the inclined flow passage from 102 lateral wall of tip communicate-type chamber in beveled tip portion 122
1221, the straight channel 1211 of linking inclined flow passage 1221 is equipped in erection part 121.When molding, molten plastic successively passes through straight channel
1211, inclined flow passage 1221 is fed from 102 two sides of type chamber again, and two strands of molten plastics can be diffused into entire type chamber 102 and then close up, then
Led to coolant liquid in type core 22, the plastics solidification in 22 outside of type core is made to become syringe.Straight channel 1211 and type chamber in this structure
Suitable distance is separated between 102, the effect for making melt plastic cement pass to the heat influence plastics solidification of upper cores 11 is more faint, promotees
Complete molding faster；And when syringe Adjoint Type 22 de- material of core, the feeding part on syringe outer wall can directly be broken, syringe
Hardly occur apparent material head on wall, saves manpower and the time of reprocessing.
As shown in Figure 1, upper cores 11 are divided for top 111 and lower part 112, clamped into glue part 12 by top 111 and lower part 112
In centre, there are the gaps of communicate-type chamber 102 between the outlet and lower part 112 of inclined flow passage 1221.Upper cores 11 after the assembly is completed,
The situation of runner is basicly stable, and such injection appearance would not be too unstable.
It matches as shown in Figure 1, being equipped in upper cores 11 into glue part 12 into packing element 13, there is receiving erection part into packing element 13
121 cavity (not marking), into packing element 13 in be equipped with rank straight channel 1211 into glue runner 131.Erection part 121 and type chamber in this way
Increase a thermal insulation layer between 102 again, promotes heat insulation.
As shown in Figure 1, into having insulated space 1111 between the outer wall and upper cores 11 of packing element 13.1111 energy of insulated space
The heat for enough allowing feeding cylinder 13 to spread out of faster is drained, and the influence to cooling and shaping is further weakened.
As shown in Figure 1, having cone match between type core 22 and lower mode 21.When molding, between type core 22 and lower mode 21
It can combine closely, type chamber 102 is avoided to have leakage to form extra burr.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical
Novel protection scope.
Claims (5)
1. a kind of no waste mine syringe injection mould, including upper die and lower die, the upper mold include upper cores, the lower die includes lower die
There is the type core of coolant flow channel in Renhe, the upper cores, the type core split of lower die Renhe form the type chamber of syringe-shaped, and feature exists
Be symmetrical arranged in the two sides of: the type chamber there are two into glue part, it is described into glue part include the erection part of top and the beveled tip of lower section
Portion is equipped with the inclined flow passage for being connected to the type chamber lateral wall from tip in the beveled tip portion, is equipped with described in linking in the erection part
The straight channel of inclined flow passage.
2. no waste mine syringe injection mould according to claim 1, it is characterised in that: the upper cores are divided into top under
Portion, it is described that centre is held on by upper and lower part into glue part, there are being connected between the outlet of the inclined flow passage and the lower part
State the gap of type chamber.
3. no waste mine syringe injection mould according to claim 2, it is characterised in that: be equipped with described in matching in the upper cores
Into glue part into packing element, the cavity into packing element with the receiving erection part is described into described straight equipped with linking in packing element
Runner into glue runner.
4. no waste mine syringe injection mould according to claim 3, it is characterised in that: the outer wall into packing element and it is described on
There is insulated space between mode.
5. no waste mine syringe injection mould according to claim 1, it is characterised in that: between the type core and the lower mode
There is cone match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822114490.4U CN209426086U (en) | 2018-12-17 | 2018-12-17 | No waste mine syringe injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822114490.4U CN209426086U (en) | 2018-12-17 | 2018-12-17 | No waste mine syringe injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209426086U true CN209426086U (en) | 2019-09-24 |
Family
ID=67972116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822114490.4U Active CN209426086U (en) | 2018-12-17 | 2018-12-17 | No waste mine syringe injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209426086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435165A (en) * | 2018-12-17 | 2019-03-08 | 昆山准达热流道有限公司 | No waste mine syringe injection mould |
-
2018
- 2018-12-17 CN CN201822114490.4U patent/CN209426086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435165A (en) * | 2018-12-17 | 2019-03-08 | 昆山准达热流道有限公司 | No waste mine syringe injection mould |
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