CN202480334U - Mould chamber of mould vacuum-pumping system - Google Patents
Mould chamber of mould vacuum-pumping system Download PDFInfo
- Publication number
- CN202480334U CN202480334U CN2012201402380U CN201220140238U CN202480334U CN 202480334 U CN202480334 U CN 202480334U CN 2012201402380 U CN2012201402380 U CN 2012201402380U CN 201220140238 U CN201220140238 U CN 201220140238U CN 202480334 U CN202480334 U CN 202480334U
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- mould
- mould cavity
- pneumatic jack
- sealing ring
- charging aperture
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Abstract
The utility model discloses a mould chamber of a mould vacuum-pumping system. The mould chamber of the mould vacuum-pumping system comprises a mould chamber of a mould seal ring, a feed inlet, a feed inlet seal ring, an air outlet and a gas cap device, wherein the mould chamber of the mould seal ring is arranged on the periphery of the mould chamber of the mould, the feed inlet seal ring is arranged on the periphery of the feed inlet, the air outlet is communicated with a vacuum pump through an air outlet channel, and the gas cap device is used for controlling communication of the air outlet and the mould chamber of the mould. The mould chamber of the mould vacuum-pumping system is only used to vacuumize the mould chamber of the mould, and therefore structure of a mould vacuum-pumping device is simplified, and vacuum-pumping cost is reduced.
Description
Technical field
The utility model belongs to the injection molding technology field, relates to a kind of mould cavity pumped vacuum systems especially.
Background technology
Mostly the current system that vacuumizes to injection mold is the monoblock type pumped vacuum systems, is about to mold integral and puts in the confined space, confined space is vacuumized, thereby reach the purpose that vacuumizes to mould cavity.Or adopt special-purpose machinery equipment, like mould vacuum machine, injection moulding evacuator or the like, these plant equipment are accurate, but comparatively expensive, and device assembles is comparatively complicated.
So, to the above-mentioned defective that exists in the present prior art, be necessary to study in fact, so that a kind of scheme to be provided, solve the defective that exists in the prior art, avoid causing mould pumped vacuum systems complex structure, vacuumize the cost height.
The utility model content
For addressing the above problem, the purpose of the utility model is to provide a kind of mould cavity pumped vacuum systems, is used for only mould cavity being vacuumized, and has simplified the structure of mould vaccum-pumping equipment, has reduced vacuumizing cost.
For realizing above-mentioned purpose, the technical scheme of the utility model is:
A kind of mould cavity pumped vacuum systems; Be used for mould cavity is vacuumized; Comprise mould cavity sealing ring, charging aperture, charging aperture sealing ring, the gentle ejection device of exhaust outlet, said mould cavity sealing ring is arranged at the periphery of mould cavity, and said charging aperture sealing ring is arranged on the charging aperture periphery; Said exhaust outlet is communicated with through the exhaust passage with vavuum pump, and the exhaust outlet that said pneumatic jack device is used to control on the said pneumatic jack bar is communicated with mould cavity.
Preferably; Said pneumatic jack device further comprises the pneumatic jack bar of container cavity and hollow; The bottom of said pneumatic jack bar is arranged in the said container cavity, and said exhaust outlet is arranged at said pneumatic jack bar upper end, and said pneumatic jack bar inner chamber forms said exhaust passage; Said container cavity is provided with first air inlet and second air inlet that is connected with compressor, rises or returns with the control pneumatic jack masthead that is communicated with of compressor through controlling first air inlet and second air inlet.
Compare with the monoblock type pumped vacuum systems that prior art adopts, the utility model directly vacuumizes mould cavity, and pumped vacuum systems is simple in structure, and good seal performance can reduce vacuumizing cost.
Description of drawings
Cross-sectional view when Fig. 1 vacuumizes for the mould cavity pumped vacuum systems of the utility model embodiment;
Cross-sectional view when Fig. 2 vacuumizes for the mould cavity pumped vacuum systems of the utility model embodiment;
Fig. 3 is that the pneumatic jack device of the utility model embodiment is connected sketch map with air compressor;
Fig. 4 is that the pneumatic jack device of the utility model embodiment is connected sketch map with vavuum pump.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
On the contrary, the utility model is contained any alternative, the modification of on the marrow of the utility model and scope, making, equivalent method and scheme by claim definition.Further, the utility model is had a better understanding in order to make the public, in hereinafter the details of the utility model being described, detailed some specific detail sections of having described.There is not the description of these detail sections can understand the utility model fully for a person skilled in the art yet.
Referring to Fig. 1 and Fig. 2; Shown in be respectively the utility model embodiment the sectional structure chart of mould cavity pumped vacuum systems when not vacuumizing and vacuumizing; Injection mold comprises mold 101 and bed die 102, and mold 101 forms mould cavity 103 afterwards with bed die 102 matched moulds.The mould cavity pumped vacuum systems of the utility model embodiment comprises mould cavity sealing ring 104, charging aperture 111, exhaust outlet 106, exhaust passage 113 gentle ejection devices 105; Mould cavity sealing ring 104 is arranged at the periphery of mould cavity 103; The charging aperture 111 of injection molding material communicates with mould cavity 103; Exhaust outlet 106 is communicated with exhaust passage 113, and referring to Fig. 4, exhaust duct 113 links to each other with filter 118 through pipeline; And filter 118 and vavuum pump 119 link to each other through pipeline, and pneumatic jack device 105 is used to control exhaust outlet 106 and is communicated with mould cavity 103.Through the utility model technical scheme; In the periphery of mould cavity 103 die cavity sealing ring 104 is set; Make that the sealing of mould is better, can guarantee can from the slit between bed die 101 and the mold 102, not get into mould cavity 103 in the vacuum air.Be communicated with mould cavity 103 through pneumatic jack device 105 control exhaust outlets 106, under a kind of state, referring to Fig. 2, pneumatic jack bar 110 jack-up of hollow, exhaust outlet 106 is communicated with mould cavity 103, through vavuum pump mould cavity is vacuumized; Under the another kind of state, referring to Fig. 1, the pneumatic jack bar 110 of hollow is return, and exhaust outlet 106 is not communicated with mould cavity 103, and vavuum pump does not vacuumize mould cavity.
Particularly; Pneumatic jack device 105 further comprises the pneumatic jack bar 110 of container cavity 109 and hollow; The bottom of pneumatic jack bar 110 is arranged in the said container cavity 109; Exhaust outlet 106 is arranged at pneumatic jack bar 110 upper ends, and pneumatic jack bar 110 inner chambers of hollow form exhaust passage 113, and container cavity 109 is provided with first air inlet 107 and second air inlet 108; Referring to Fig. 3; First air inlet 107 links to each other with air compressor 117 through pipeline with second air inlet 108, on pipeline, is provided with the first air inlet control valve 114 and the second air inlet control valve 115 and a master control valve 116, through controlling being communicated with control pneumatic jack bar 110 jack-up or returning of first air inlet 107 and second air inlet 108 and air compressor 117.It is peripheral that pneumatic jack rod seal circle 114 is arranged on pneumatic jack bar 110 upper ends.When vacuumizing, the second air inlet control valve 115 is opened with master control valve 116, and second air inlet 108 is connected with air outside compressor 117; Under the pressure of air, pneumatic jack bar 110 is by jack-up, and this moment, the exhaust outlet 106 of pneumatic jack bar 110 upper ends exposed; Vavuum pump 119 work that are connected with exhaust passage 113; Mould cavity is vacuumized, and after reaching the pumpdown time of setting, vavuum pump 119 quits work; After stopping to vacuumize, the second air inlet control valve 115 is closed, and makes second air inlet 108 break off with air compressor 117 and is connected; This moment, first air inlet, 107 control valves were opened; The air inlet 107 of winning is connected with air outside compressor 117, and under air pressure, pneumatic jack bar 110 is return; The exhaust outlet 106 of pneumatic jack bar 110 upper ends returns in the pneumatic jack rod seal circle 4, and guarantee that air can not enter in the die cavity from venthole this moment.
Further, in order to strengthen the sealing of mould cavity pumped vacuum systems, charging aperture 111 peripheries are provided with charging aperture sealing ring 112.
Mould cavity sealing ring 104; Pneumatic jack rod seal circle 114 all adopts polytetrafluoroethylene (PTFE) with charging aperture sealing ring 111; Polytetrafluoroethylene (PTFE) has advantages such as fire-resistant oxidation resistant; Also have simultaneously the sticking problem that well prevents with the thermosetting resin that uses, also can solve under high pressure material seal circle shorter problems in service life such as silica gel.
Through above technical scheme, directly mould cavity is vacuumized, pumped vacuum systems is simple in structure, and good seal performance can reduce vacuumizing cost.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (4)
1. mould cavity pumped vacuum systems; Be used for mould cavity is vacuumized, it is characterized in that, comprise mould cavity sealing ring, charging aperture, charging aperture sealing ring, the gentle ejection device of exhaust outlet; Said mould cavity sealing ring is arranged at the periphery of mould cavity; Said charging aperture sealing ring is arranged on the charging aperture periphery, and said exhaust outlet is communicated with through the exhaust passage with vavuum pump, and said pneumatic jack device is used to control that exhaust outlet is communicated with mould cavity on the said pneumatic jack bar.
2. mould cavity pumped vacuum systems according to claim 1; It is characterized in that; Said pneumatic jack device further comprises the pneumatic jack bar of container cavity and hollow; The bottom of said pneumatic jack bar is arranged in the said container cavity, and said exhaust outlet is arranged at said pneumatic jack bar upper end, and said pneumatic jack bar inner chamber forms said exhaust passage; Said container cavity is provided with first air inlet and second air inlet that is connected with compressor, rises or returns with the control pneumatic jack masthead that is communicated with of compressor through controlling first air inlet and second air inlet.
3. mould cavity pumped vacuum systems according to claim 1 is characterized in that, said die cavity sealing ring adopts polytetrafluoroethylmaterial material.
4. mould cavity pumped vacuum systems according to claim 1 is characterized in that, said charging aperture periphery is provided with the charging aperture sealing ring, and said charging aperture sealing ring adopts polytetrafluoroethylmaterial material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201402380U CN202480334U (en) | 2012-04-01 | 2012-04-01 | Mould chamber of mould vacuum-pumping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201402380U CN202480334U (en) | 2012-04-01 | 2012-04-01 | Mould chamber of mould vacuum-pumping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202480334U true CN202480334U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201402380U Expired - Fee Related CN202480334U (en) | 2012-04-01 | 2012-04-01 | Mould chamber of mould vacuum-pumping system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202480334U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772446A (en) * | 2015-04-27 | 2015-07-15 | 雄邦压铸（南通）有限公司 | Mold vacuum pumping device |
| CN109014113A (en) * | 2018-07-17 | 2018-12-18 | 淮北创之社信息科技有限公司 | A kind of structure vacuumized based on ejector pin of die set carry out type chamber |
| CN112776278A (en) * | 2021-03-18 | 2021-05-11 | 安徽工业大学 | Vacuumizing sealing device and vacuum injection mold |
-
2012
- 2012-04-01 CN CN2012201402380U patent/CN202480334U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104772446A (en) * | 2015-04-27 | 2015-07-15 | 雄邦压铸（南通）有限公司 | Mold vacuum pumping device |
| CN109014113A (en) * | 2018-07-17 | 2018-12-18 | 淮北创之社信息科技有限公司 | A kind of structure vacuumized based on ejector pin of die set carry out type chamber |
| CN112776278A (en) * | 2021-03-18 | 2021-05-11 | 安徽工业大学 | Vacuumizing sealing device and vacuum injection mold |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20170401 |