CN204019888U - High precision and long service life cold runner spray nozzle device for automobile high-voltage shield - Google Patents
High precision and long service life cold runner spray nozzle device for automobile high-voltage shield Download PDFInfo
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- CN204019888U CN204019888U CN201420529317.XU CN201420529317U CN204019888U CN 204019888 U CN204019888 U CN 204019888U CN 201420529317 U CN201420529317 U CN 201420529317U CN 204019888 U CN204019888 U CN 204019888U
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- runner
- core pipe
- shower nozzle
- nozzle
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Abstract
The utility model discloses a kind of automobile high-voltage shield high precision and long service life cold runner spray nozzle device, it comprises nozzle assembly, the runner plate (1) sequentially connecting from top to bottom, installing plate (2), connecting plate (3) and thermal insulation board (4), in described runner plate (1), be provided with runner (1.1), it is characterized in that: described nozzle assembly comprises main body (5), core pipe (6), shower nozzle (7) and end cap (8), main body (5) is fixed with the lower end of runner plate (1), described core pipe (6) is located in main body (5), the upper end of described shower nozzle (7) is located in the tube cavity of core pipe (6).The utility model provides that in a kind of cold runner die production process, to produce waste material less, thus high precision and long service life cold runner spray nozzle device for the automobile high-voltage shield of the cost that economizes in raw materials.
Description
Technical field
The utility model relates to the technical field of injection molding flow passage system, specifically high precision and long service life cold runner spray nozzle device for a kind of automobile high-voltage shield.
Background technology
At present, in common injection molding, sizing material is by the sprue of the nozzle press-in die of injector, be diverted in some branch flow passages through sprue, be re-introduced in die cavity, and in going out in mold process of product, the sizing material of the runner section at mould top, with product and the overlap demoulding, produces the more waste material that is positioned at runner thus.
Summary of the invention
Technical problem to be solved in the utility model is: provide that in a kind of cold runner die production process, to produce waste material less, thus high precision and long service life cold runner spray nozzle device for the automobile high-voltage shield of the cost that economizes in raw materials.
Technical solution adopted in the utility model is: a kind of automobile high-voltage shield high precision and long service life cold runner spray nozzle device is provided, it comprises nozzle assembly, the runner plate sequentially connecting from top to bottom, installing plate, connecting plate and thermal insulation board, in described runner plate, be provided with runner, the feed end of described runner is connected with injector, the discharge end of runner is connected with the upper end of nozzle assembly, installing plate and connecting plate are sequentially run through in the lower end of nozzle assembly, and lean with thermal insulation board, described thermal insulation board is provided with the groove of accommodating nozzle assembly end portion, the geometric center position of groove is provided with the centre bore that penetrates thermal insulation board and be connected with the lower end of nozzle assembly for the charging aperture of injection mold, described nozzle assembly comprises main body, core pipe, shower nozzle and end cap, the lower end of main body and runner plate is fixed, described core pipe is located in main body, and the tube cavity of core pipe is connected with the discharge end of runner, the upper end of described shower nozzle is located in the tube cavity of core pipe, and the lateral wall of the part that is positioned at core pipe of shower nozzle and the inside pipe wall of core pipe are slidably matched, the lateral wall that shower nozzle is positioned at the part outside core pipe is provided with flange, described end cap is placed on outside core pipe lower end, and be threaded with the lateral wall of the lower end of core pipe, end cap is provided with the through hole for the lower end break-through of shower nozzle, described flange vertically the upper limit between core pipe lower surface and end cap, on the lower surface of described shower nozzle, be positioned at outside the discharging opening position of shower nozzle and be provided with sealing ring, in the time that described shower nozzle comes downwards to extreme position, the groove bottom of the groove on lower surface and the thermal insulation board of described shower nozzle leans.
Adopt after above structure, automobile high-voltage shield of the present utility model compared with prior art has the following advantages with high precision and long service life cold runner spray nozzle device: can guarantee that by thermal insulation board the temperature of the glue material in nozzle assembly maintains glue material molten condition, thus after the product in die cavity has vulcanized, by die sinking break with nozzle in glue material, therefore, in a die sinking process, only produce a small amount of waste material of shower nozzle part, and the glue material of core pipe inside still maintains certain temperature, prepare for entering glue next time.
As preferably, the mid portion diameter of the passage in described shower nozzle is less than the diameter of passage two end portions, and the two end portions of passage in shower nozzle seamlessly transits to mid portion.Little by mid diameter, two ends diameter is large, produces thus stress and concentrates, and is convenient to die sinking and breaks in process, and the plane of disruption is from the diameter minimum position fracture of mid portion in shower nozzle.
As preferably, in described connecting plate, be provided with the cooling line for cooling jet assembly, described cooling line is connected with external refrigeration machine.By cooling line, prevent the overheated gel caking that causes of glue material extrusion friction.
Improve as one, described nozzle assembly is four, and each nozzle assembly is connected with the discharge end of runner separately respectively, and all the discharge end of runners is all connected with same feed end.One logical many by the runner in runner plate, can realize multiple die cavities and enter glue simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of automobile high-voltage shield of the present utility model high precision and long service life cold runner spray nozzle device.
Fig. 2 is the structural representation of nozzle assembly of the present utility model.
Wherein, 1, runner plate, 1.1, runner, 2, installing plate, 3, connecting plate, 3.1, cooling line, 4, thermal insulation board, 4.1, groove, 4.2, centre bore, 5, main body, 6, core pipe, 7, shower nozzle, 7.1, flange, 7.2, sealing ring, 8, end cap, 8.1, through hole.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Upper end hereinafter described, lower end, all refers to the orientation up and down shown in accompanying drawing, certainly, is the situation of horizontal die sinking for injection mold, its upper and lower side refers to the direction consistent with die sinking direction.Injector hereinafter described has another name called injection machine.
As shown in the figure, the utility model provides a kind of automobile high-voltage shield high precision and long service life cold runner spray nozzle device, it comprises nozzle assembly, the runner plate 1 sequentially connecting from top to bottom, installing plate 2, connecting plate 3 and thermal insulation board 4, in described runner plate 1, be provided with runner 1.1, the feed end of described runner 1.1 is connected with injector (not shown), the discharge end of runner 1.1 is connected with the upper end of nozzle assembly, installing plate 2 and connecting plate 3 are sequentially run through in the lower end of nozzle assembly, and lean with thermal insulation board 4, described thermal insulation board 4 is provided with the groove 4.1 of accommodating nozzle assembly end portion, that is to say, the lower end of described nozzle assembly is inserted into heat insulation by 4 groove 4.1.The geometric center position of groove 4.1 is provided with the centre bore 4.2 that penetrates thermal insulation board 4 and be connected with the lower end of nozzle assembly for the charging aperture of injection mold (not shown).Described nozzle assembly comprises main body 5, core pipe 6, shower nozzle 7 and end cap 8, main body 5 is fixed with the lower end of runner plate 1, described core pipe 6 is located in main body 5, above-mentioned fixedly refer to main body 5 and runner plate 1 form a cavity volume, the upper end of described core pipe 6 and the lower surface of runner plate 1 lean, and the inner chamber bottom surface of the lower end of core pipe 6 and main body 5 leans, and the lower end of described main body 5 is provided with passage, the lower end of described core pipe 6 forms a step, and smaller-diameter portion extends to outside main body 5.And the upper end of the tube cavity of core pipe 6 is connected with the discharge end of runner 1.1, the lower end of the tube cavity of core pipe 6 is connected with the upper end of shower nozzle 7, particularly, the upper end of described shower nozzle 7 is inserted into from the lower end of core pipe 6 in the tube cavity of core pipe 6, and the lateral wall of the part that is positioned at core pipe 6 of shower nozzle 7 and the inside pipe wall of core pipe 6 are slidably matched, the lateral wall that shower nozzle 7 is positioned at the part outside core pipe 6 is provided with flange 7.1, described end cap 8 is placed on outside core pipe 6 lower ends, and be threaded with the lateral wall of the lower end of core pipe 6, end cap 8 is provided with the through hole 8.1 for the lower end break-through of shower nozzle 7, described flange 7.1 vertically the upper limit between core pipe 6 lower surfaces and end cap 8, on the lower surface of described shower nozzle 7, be positioned at outside the discharging opening position of shower nozzle 7 and be provided with sealing ring 7.2, in the time that described shower nozzle 7 comes downwards to extreme position, the groove bottom of the groove 4.1 on the lower surface of described shower nozzle 7 and thermal insulation board 4 leans.
The mid portion diameter of the passage in described shower nozzle 7 is less than the diameter of passage two end portions, and the two end portions of passage in shower nozzle 4.1 seamlessly transits to mid portion.
In described connecting plate 3, be provided with the cooling line 3.1 for cooling jet assembly, described cooling line 3.1 is connected with external refrigeration machine.
Described nozzle assembly is four, and each nozzle assembly is connected with the discharge end of runner 1.1 separately respectively, and all the discharge end of runners 1.1 is all connected with same feed end.
Its operation principle is, first, injector is delivered to sizing material in mold cavity by runner, the tube cavity of core pipe, shower nozzle, in this process, shower nozzle comes downwards to extreme position under mold clamping force effect, the lower surface of shower nozzle and the lower surface of thermal insulation board are compressed, and sealing ring is normally sealed, secondly in the time completing the sulfuration of the sizing material in die cavity, by External Force Acting, mould and nozzle component are departed from, the sizing material that shower nozzle part is connected with mold cavity is ruptured by the less position of diameter of the mid portion in shower nozzle.
Be described with regard to the utility model preferred embodiment above, but can not be interpreted as it is limitations on claims.The utility model is not only confined to above embodiment, and its concrete structure allows to change, and all various variations of doing in the protection domain of the utility model demand for independence are all in protection domain of the present utility model.
Claims (4)
1. a high precision and long service life cold runner spray nozzle device for automobile high-voltage shield, it comprises nozzle assembly, the runner plate (1) sequentially connecting from top to bottom, installing plate (2), connecting plate (3) and thermal insulation board (4), in described runner plate (1), be provided with runner (1.1), the feed end of described runner (1.1) is connected with injector, the discharge end of runner (1.1) is connected with the upper end of nozzle assembly, installing plate (2) and connecting plate (3) are sequentially run through in the lower end of nozzle assembly, and lean with thermal insulation board (4), described thermal insulation board (4) is provided with the groove (4.1) of accommodating nozzle assembly end portion, the geometric center position of groove (4.1) is provided with the centre bore (4.2) that penetrates thermal insulation board (4) and be connected with the lower end of nozzle assembly for the charging aperture of injection mold, it is characterized in that: described nozzle assembly comprises main body (5), core pipe (6), shower nozzle (7) and end cap (8), main body (5) is fixed with the lower end of runner plate (1), described core pipe (6) is located in main body (5), and the tube cavity of core pipe (6) is connected with the discharge end of runner (1.1), the upper end of described shower nozzle (7) is located in the tube cavity of core pipe (6), and the lateral wall of the part that is positioned at core pipe (6) of shower nozzle (7) and the inside pipe wall of core pipe (6) are slidably matched, the lateral wall that shower nozzle (7) is positioned at the outer part of core pipe (6) is provided with flange (7.1), described end cap (8) is placed on outside core pipe (6) lower end, and be threaded with the lateral wall of the lower end of core pipe (6), end cap (8) is provided with the through hole (8.1) for the lower end break-through of shower nozzle (7), described flange (7.1) the vertically upper limit is positioned between core pipe (6) lower surface and end cap (8), on the lower surface of described shower nozzle (7), be positioned at outside the discharging opening position of shower nozzle (7) and be provided with sealing ring (7.2), in the time that described shower nozzle (7) comes downwards to extreme position, the groove bottom of the groove (4.1) on the lower surface of described shower nozzle (7) and thermal insulation board (4) leans.
2. high precision and long service life cold runner spray nozzle device for automobile high-voltage shield according to claim 1, it is characterized in that: the mid portion diameter of the passage in described shower nozzle (7) is less than the diameter of passage two end portions, and the two end portions of passage in shower nozzle (4.1) seamlessly transits to mid portion.
3. high precision and long service life cold runner spray nozzle device for automobile high-voltage shield according to claim 1, it is characterized in that: in described connecting plate (3), be provided with the cooling line (3.1) for cooling jet assembly, described cooling line (3.1) is connected with external refrigeration machine.
4. high precision and long service life cold runner spray nozzle device for automobile high-voltage shield according to claim 1, it is characterized in that: described nozzle assembly is four, and each nozzle assembly is connected with the discharge end of runner (1.1) separately respectively, all the discharge end of runner (1.1) is all connected with same feed end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529317.XU CN204019888U (en) | 2014-09-15 | 2014-09-15 | High precision and long service life cold runner spray nozzle device for automobile high-voltage shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529317.XU CN204019888U (en) | 2014-09-15 | 2014-09-15 | High precision and long service life cold runner spray nozzle device for automobile high-voltage shield |
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| Publication Number | Publication Date |
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| CN204019888U true CN204019888U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420529317.XU Active CN204019888U (en) | 2014-09-15 | 2014-09-15 | High precision and long service life cold runner spray nozzle device for automobile high-voltage shield |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160850A (en) * | 2020-09-28 | 2021-01-01 | 上海空间推进研究所 | Special injector suitable for unit liquid rocket engine |
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2014
- 2014-09-15 CN CN201420529317.XU patent/CN204019888U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112160850A (en) * | 2020-09-28 | 2021-01-01 | 上海空间推进研究所 | Special injector suitable for unit liquid rocket engine |
| CN112160850B (en) * | 2020-09-28 | 2021-09-21 | 上海空间推进研究所 | Special injector suitable for unit liquid rocket engine |
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