CN204278390U - A kind of mould of the breathing mask for the manufacture of different hardness silicon rubber compound - Google Patents
A kind of mould of the breathing mask for the manufacture of different hardness silicon rubber compound Download PDFInfo
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- CN204278390U CN204278390U CN201420712897.6U CN201420712897U CN204278390U CN 204278390 U CN204278390 U CN 204278390U CN 201420712897 U CN201420712897 U CN 201420712897U CN 204278390 U CN204278390 U CN 204278390U
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Abstract
The utility model relates to a kind of mould of the breathing mask for the manufacture of different hardness silicon rubber compound, its formation comprises mould and face shield face mould bottom face shield, bottom face shield, the runner (2) of mould is designed to the runner shunted to both sides from centre, and bottom face shield, the cope match-plate pattern (3) of mould is provided with V-type fin (13) with face shield face composition surface place; Face shield face mould runner is provided with the Z-shaped runner (9) that has shunting section (10).Smooth with facial faying face bottom the breathing mask of the different hardness silicon rubber compound manufactured by the utility model can ensure; Add, ripe liquid rubber injection molding process, can be cheap and manufacture the breathing mask of different hardness silicon rubber compound efficiently.
Description
Technical field
The utility model relates to a kind of mould for the manufacture of breathing mask, specifically, relates to a kind of mould of the breathing mask for the manufacture of different hardness silicon rubber compound.
Background technology
The face shield bead portion of breathing mask owing to directly contacting with pilot's skin of face, require comfortable, without allergic reaction and special odor.From the national active services such as English, U.S., method and the oxygen mask developed it seems, all adopt not easily aging, anti-oxidant and ozone, smell without exception soft silastic material (as, continue that A hardness 30-40 degree silicon rubber), it has enough elasticity and certain rigidity, to keep cover body shape.And face shield and apparatus coupling part are owing to need ensure enough Rigidity and strengths, the elastomeric material (e.g., continue that A hardness 50-60 degree silicon rubber) that general employing hardness is higher.Therefore, the different parts for breathing mask proposes varying strength, rigidity and softness requirements, to reach different instructions for use.Comparatively conventional method is that the method for same rubber (the being generally silicon rubber) compound of employing two kinds of different hardness solves.
Bottom due to breathing mask needs to contact with the face of people, for ensureing to be connected tactile comfortableness with people, except requiring that rubber hardness is lower, also require bottom face shield, there is the injection port that masked people can be made to have sense of discomfort, therefore, usually by leading for the bottom of rubber breathing mask molding sulfuration, and then the face shield face that molding sulfuration is connected with apparatus.But, because the wall thickness of face shield product is thinner, between different silica gel interface, bi-material also can only have 2 ~ 3mm by compound interface, and owing to being material injection moulding that hardness is higher on the lower material surface of hardness, under surge, very easily produce overflow glue phenomenon, and if injection flow too small, then can produce starved phenomenon.
Summary of the invention
The utility model is intended to overcome the shortcoming that the breathing mask continued to use at present exists in the fabrication process, a kind of mould can guaranteeing the effective compound of different hardness silicon rubber forming breathing mask is provided, smooth with facial faying face bottom breathing mask manufactured by guarantee, bonding firmly, can not produce starved, excessive glue phenomenon.
The utility model realizes like this, a kind of mould of the breathing mask for the manufacture of different hardness silicon rubber compound, its formation comprises mould and face shield face mould bottom face shield, be characterized in, bottom face shield, the runner (2) of mould is designed to the runner shunted to both sides from centre, and bottom face shield, the cope match-plate pattern (3) of mould is provided with V-type fin (13) with face shield face composition surface place; Face shield face mould runner is provided with the Z-shaped runner (9) that has shunting section (10).
Bottom face shield in the utility model mould cope match-plate pattern (3) on the width of V-type fin (13) be 2-3mm, equal with the width at face shield face composition surface place, the height of V-type fin (13) is slightly less than width, is 1 ~ 1.5mm.
The cross section of face shield face mould shunting section (10) in the utility model is inverted trapezoidal, semicircle or elliptical shape; Inverted trapezoidal is of a size of: inverted trapezoidal bottom width 4-8mm, and inverted trapezoidal height is 1/2nd of bottom width, and the area of section of other shapes is identical with inverted trapezoidal area of section.
Bottom face shield, the patrix of mould has a width 2-3mm, the fin of height 1 ~ 1.5mm, bottom face shield after sulfidization molding, width 2-3mm can formed with face shield face composition surface place, the V-type groove of the degree of depth 1 ~ 1.5mm, at bottom and two kinds of facial silicon rubber compound tenses, because V-type groove serves transitional function, effectively can inject the percussion produced by yielding rubber, both have larger lifting in conjunction with effect, and two runners that face shield bottom die runner design is symmetrically distributed, be convenient to rubber and enter rubber die cavity quickly and evenly; Face shield face mould devises a Z-shaped turning at the injection port place of mould, owing to there being the cushioning effect at Z-shaped turning, reduce the pressure of injection molding of rubber, thus for the impact that the material surface that hardness is lower produces when reducing on the higher material injection moulding of hardness to the lower material surface of hardness, avoid the generation of excessive glue phenomenon.
Different hardness silicon rubber compound breathing mask production technology is: first by silicon rubber lower for hardness, (general temperature is 160-170 DEG C under certain condition, time is 15-25 second) inject mould bottom face shield through injection port, through sulfidization molding, (general temperature is 160-170 DEG C, time is 5-10 minute), make bottom the face shield that contacts with people face, then the mould of face shield face will be put into bottom the face shield of sulfidization molding as framework location, (general temperature is 160-170 DEG C under certain condition, time is 15-25 second), silicon rubber higher for another kind of hardness is injected facial mould, by the sulfuration of a period of time (being generally 5-10 minute), the sulfidization molding in finished surface cover portion, the breathing mask product of different hardness silicon rubber compound can be obtained, reach the effect of different hardness silicon rubber compound.
The utility model has the advantages that apparent, it, for the reality of breathing mask by different hardness silicon rubber compound, have employed suitable forming vulcanization die, smooth with facial faying face bottom the breathing mask manufactured by guarantee.Add possessed now ripe liquid rubber injection molding process, can be cheap and carry out the processing and forming manufacture of breathing mask described in the utility model efficiently.
Accompanying drawing explanation
Fig. 1 is mould schematic diagram bottom face shield described in the utility model;
Fig. 2 is face shield described in the utility model face mould schematic diagram;
Fig. 3 is the close-up schematic view of the fin on the cope match-plate pattern of mould bottom face shield in Fig. 1.
Number in the figure is: 1-silicon rubber sprue bush, the runner of mould bottom 2-face shield, the cope match-plate pattern of mould bottom 3-face shield, the lower bolster of mould bottom 4-face shield, 5-face shield bottom die cavity, the upper padding plate of forming panel bottom 6-face shield, the lower bolster of 7-face shield face mould, the cope match-plate pattern of 8-face shield face mould, 9-Z-shaped runner, 10-shunting section, 11-face shield face die cavity, the upper padding plate of 12-face shield face mould, 13-V-type fin.
Detailed description of the invention
By embodiment, the utility model is further described in detail below, but the utility model is in no way limited to these embodiments.
Embodiment 1-4 and comparative example 1-2
See accompanying drawing 1 ~ 3.By your A hardness that continues be mould bottom the face shield shunt from centre to both sides through silicon rubber sprue bush (1) of the silicon rubber of 35 degree runner (2) injection face shield bottom mould sulfidization molding, curing temperature 165 DEG C, 10 minutes time, open the cope match-plate pattern (3) of forming panel bottom face shield, bottom face shield forming panel lower bolster (4) take out bottom face shield, repair the overlap on bottom face shield with scissors or blade, the upper padding plate (6) opening forming panel bottom face shield takes out stub bar in runner.Bottom the face shield of sulfidization molding, put into the lower bolster [7] of face shield face mould, the cope match-plate pattern (8) of the facial mould of the face shield that closes, temperature 165 DEG C, after 20 seconds, (continue that A hardness 50-60 degree) silicon rubber higher for hardness is injected Z-shaped runner (9), after runner shunting section (10) buffering among injection face cover portion die cavity (11), 165 DEG C of sulfurations 8 minutes, the upper padding plate (12) of opening face cover portion mould, stub bar is taken out from the cope match-plate pattern (8) of face shield face mould, the unnecessary slitter edge of face shield is repaiied with scissors or blade, thus produce the breathing mask of different hardness silica gel compound.
Adopt No. 45 steel, use the method manufacture of machining with mould bottom the face shield of V-type fin (13) and the face shield face mould with Z-shaped runner (9) respectively.Wherein fin (13) width 2.5mm, height 1.2mm; Shunting section (10) cross section of face shield face mould Z-shaped runner is semicircle, and its diameter and length are in table 1.
Relevant dimensional parameters and processing effect as shown in table 1.
Table 1
Visible, adopt the mould of lug, nib and Z-shaped runner design, with facial faying face flat smooth bottom breathing mask, bonding firmly, can not produce starved, excessive glue phenomenon.
Result is satisfactory.
Claims (3)
1. the mould for the manufacture of the breathing mask of different hardness silicon rubber compound, its formation comprises mould and face shield face mould bottom face shield, it is characterized in that, bottom face shield, the runner (2) of mould is designed to the runner shunted to both sides from centre, and bottom face shield, the cope match-plate pattern (3) of mould is provided with V-type fin (13) with face shield face composition surface place; Face shield face mould runner is provided with the Z-shaped runner (9) that has shunting section (10).
2. the mould of the breathing mask for the manufacture of different hardness silicon rubber compound according to claim 1, it is characterized in that, bottom face shield mould cope match-plate pattern (3) on the width of V-type fin (13) be 2-3mm, equal with the width at face shield face composition surface place, the height of V-type fin (13) is slightly less than width, is 1 ~ 1.5mm.
3. the mould of the breathing mask for the manufacture of different hardness silicon rubber compound according to claim 1, is characterized in that, the cross section of face shield face mould shunting section (10) is inverted trapezoidal, semicircle or elliptical shape; Inverted trapezoidal is of a size of: inverted trapezoidal bottom width 4-8mm, and inverted trapezoidal height is 1/2nd of bottom width, and the area of section of other shapes is identical with inverted trapezoidal area of section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712897.6U CN204278390U (en) | 2014-11-24 | 2014-11-24 | A kind of mould of the breathing mask for the manufacture of different hardness silicon rubber compound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712897.6U CN204278390U (en) | 2014-11-24 | 2014-11-24 | A kind of mould of the breathing mask for the manufacture of different hardness silicon rubber compound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204278390U true CN204278390U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420712897.6U Active CN204278390U (en) | 2014-11-24 | 2014-11-24 | A kind of mould of the breathing mask for the manufacture of different hardness silicon rubber compound |
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| CN (1) | CN204278390U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437363A (en) * | 2018-04-27 | 2018-08-24 | 南京金三力高分子科技有限公司 | A kind of the injection processing mold and method of sealing ring |
| CN110900945A (en) * | 2018-09-14 | 2020-03-24 | Oppo（重庆）智能科技有限公司 | Manufacturing method of structural member, mold, shell and electronic equipment |
| CN113476207A (en) * | 2021-08-13 | 2021-10-08 | 袁洪 | Improved cold and hot intelligent eye and brain protection instrument and manufacturing method thereof |
| CN113603851A (en) * | 2021-08-13 | 2021-11-05 | 浙江护童人体工学科技股份有限公司 | Double-hardness foam pad and preparation method thereof |
-
2014
- 2014-11-24 CN CN201420712897.6U patent/CN204278390U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437363A (en) * | 2018-04-27 | 2018-08-24 | 南京金三力高分子科技有限公司 | A kind of the injection processing mold and method of sealing ring |
| CN110900945A (en) * | 2018-09-14 | 2020-03-24 | Oppo（重庆）智能科技有限公司 | Manufacturing method of structural member, mold, shell and electronic equipment |
| CN113476207A (en) * | 2021-08-13 | 2021-10-08 | 袁洪 | Improved cold and hot intelligent eye and brain protection instrument and manufacturing method thereof |
| CN113603851A (en) * | 2021-08-13 | 2021-11-05 | 浙江护童人体工学科技股份有限公司 | Double-hardness foam pad and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 1419 Zhulu West Road, Qingpu District, Shanghai, 201702 Patentee after: SHANGHAI INSTITUTE OF RUBBER PRODUCTS Co.,Ltd. Address before: 1419 Zhulu West Road, Qingpu District, Shanghai, 201702 Patentee before: SHANGHAI INSTITUTE OF RUBBER PRODUCTS |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210225 Address after: No. 1251, Zhulu West Road, Xujing Town, Qingpu District, Shanghai, 201702 Patentee after: SHANGHAI PLASTICS RESEARCH INSTITUTE Co.,Ltd. Address before: 1419 Zhulu West Road, Qingpu District, Shanghai, 201702 Patentee before: SHANGHAI INSTITUTE OF RUBBER PRODUCTS Co.,Ltd. |
|
| TR01 | Transfer of patent right |