CN105599213A - Pressure detecting device for EPS panel machine die cavity - Google Patents
Pressure detecting device for EPS panel machine die cavity Download PDFInfo
- Publication number
- CN105599213A CN105599213A CN201610027112.5A CN201610027112A CN105599213A CN 105599213 A CN105599213 A CN 105599213A CN 201610027112 A CN201610027112 A CN 201610027112A CN 105599213 A CN105599213 A CN 105599213A
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- Prior art keywords
- hole
- die cavity
- pressure
- cylinder body
- piston
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a pressure detecting device for an EPS panel machine die cavity. The pressure detecting device comprises a cylinder, a piston, a sealing washer, a thread sleeve, a taper washer, a valve element, a spring, a screw and a set screw. When EPS particles in the die cavity are heated, the expansion force of the particles allows the piston to push backwards, compressed air passes the gaps of the valve element and the taper washer when the pressure is large enough to push open the valve element, the pressure of the compressed air is transferred to the electric-contact pressure gauge of a pressure detecting pipeline, part of pressure balances off the pressure from the die cavity at the same time, and a positive pressure detecting path is formed; when a vacuum system vacuumizes the EPS panel machine die cavity, the negative pressure in the die cavity is transferred to the electric-contact pressure gauge through a through hole in an aluminum plate, a through hole in the set screw, a through hole in the piston, a through hole in the sealing washer and the pressure detecting pipeline, and a negative pressure detecting path is formed. By the arrangement, the EPS panel processing process is scientific, and production efficiency and product yield are increased.
Description
Technical field
The present invention relates to sheet machining apparatus field, specifically refer to a kind of EPS panel machine cavity pressure inspectionSurvey device.
Background technology
In traditional EPS (expandable polystyrene) plate processing technology, give EPS panel machine mouldChamber is reinforced to be controlled by the time, was all many times to lean on empirical value, according to the density of sheet material, mouldThe size in chamber is estimated. The time of setting is short, causes die cavity reinforced not enough, the EPS makingSheet material becomes waste product, causes economic loss. The time of setting has been grown, and in processing technology, wastesTime, affect production efficiency.
In cooling link, old processing technology, is also completely by empirical value in addition. In program, setThe time of vacuum cooled, often also to establish inaccurately, the time establishes short, and cooling effect is bad, causes EPSThe surface of sheet material, rugged, not bright and clean, affect sheet material stripping result, EPS particle is also bondingOn the aluminium sheet of die cavity. Setting-up time has been grown, and one is the efficiency that impact is produced, in addition also likelyTake out excessively, cause sheet material contraction distortion in die cavity.
Summary of the invention
The object of the invention is to the technical problem of mentioning in above-mentioned background technology, carryGo out a solution, in present processing technology, add to EPS panel machine die cavityMaterial measuring ability.
The solution of the present invention is:
A kind of EPS panel machine cavity pressure induction installation, comprises cylinder body, piston, seal washer, spiral shellCover, taper washer, spool, spring, screw rod and holding screw, the nested EPS that is fixed on of described cylinder bodyIn panel machine die cavity wall, described piston is arranged on cylinder interior and communicates with EPS panel machine die cavity, livesPlug inside be provided with through hole, piston nose is provided with seal washer, seal washer inside be provided with through hole and with workFill in inner through hole and be connected, described EPS panel machine die cavity wall is provided with through hole, described cylinder body sideBe provided with holding screw, holding screw inside is provided with through hole, the through hole of described holding screw inside respectively withThrough hole in the through hole of described internal piston and described EPS panel machine die cavity wall is connected, described cylinder bodyFront end is provided with swivel nut, and swivel nut one end is arranged on cylinder body, and the other end is provided with screw rod, and swivel nut inside successivelyBe provided with taper washer, spool and spring, in the through hole and described seal washer of described taper washer insidePortion's through hole is connected, and described spool has the conical surface and its conical surface is against on the conical surface of taper washer, springTwo ends are against respectively on spool and screw rod, and inside screw is provided with through hole and connects compressed air inlet pipe;Described cylinder body front end is also provided with venthole Bonding pressure signal piping, on described pressure detecting pipelineBe provided with electro connecting pressure gauge, the venthole of cylinder body front end and the through hole of seal washer.
Between described cylinder body and piston, be provided with O type circle.
Described cylinder body front end outside is also provided with sleeve.
Described seal washer is provided with the inclined hole communicating with its interior bone.
The operation principle of EPS panel machine cavity pressure checkout gear of the present invention is:
When compressed air is entered from intermediate tube, through screw rod, compressed-air actuated pressure is withstood on to spoolUpper, spring also has individual active force to spool simultaneously, and at this moment the conical surface of spool and the conical surface of taper washer are completeFull laminating is upper, and at this moment electro connecting pressure gauge can't detect any pressure;
When the heating of EPS particle, the expansive force of particle returns back to top piston in to die cavity, and pressure arrive greatly handleWhen spool backs down, compressed air, by the gap of spool and taper washer, passes compressed-air actuated pressureDeliver to the electro connecting pressure gauge of pressure detecting pipeline, some pressure is the pressure from die cavity simultaneouslyBalance out, form malleation and detect path;
When vacuum system is taken out negative pressure to EPS panel machine die cavity, the negative pressure in die cavity is by aluminium sheetThrough hole on through hole, piston on through hole, holding screw, the through hole on seal washer, pressure detectingPipeline passes to electro connecting pressure gauge, forms detection of negative pressure path.
By technique scheme of the present invention, make the processing technology science more of EPS sheet material, carryHigh efficiency of producing, has also improved the quality of product simultaneously greatly.
Brief description of the drawings
Fig. 1 be EPS panel machine cavity pressure checkout gear of the present invention carry out malleation detect time stateSchematic diagram.
Fig. 2 is the state of EPS panel machine cavity pressure checkout gear of the present invention while carrying out detection of negative pressureSchematic diagram.
Detailed description of the invention
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
EPS panel machine cavity pressure checkout gear of the present invention as depicted in figs. 1 and 2, comprises cylinderBody 1, piston 2, seal washer 3, swivel nut 8, taper washer 5, spool 6, spring 7, screw rod 9With holding screw 11, cylinder body 1 is nested to be fixed in EPS panel machine die cavity wall, and piston 2 is arranged on cylinderBody 1 inside also communicates with EPS panel machine die cavity, and piston 2 inside are provided with through hole, and piston 2 front ends are establishedHave seal washer 3, seal washer 3 inside are provided with through hole and are connected with the through hole of piston 2 inside, EPSPanel machine die cavity wall 100 is provided with through hole, and cylinder body 1 side is provided with holding screw 11, holding screw 11Inside is provided with through hole, the through hole of holding screw 11 inside respectively with through hole and the EPS plate of piston 2 insideThrough hole in material machine die cavity wall 100 is connected, and cylinder body 1 front end is provided with swivel nut 8, and swivel nut 8 one end arrangeOn cylinder body 1, the other end is provided with screw rod 9, and swivel nut inside is provided with taper washer 5, spool 6 and successivelySpring 7, the through hole of taper washer 5 inside is connected with seal washer 3 interior bone, and spool 6 hasThe conical surface and its conical surface are against on the conical surface of taper washer 5, and spring 7 two ends are against respectively spool 6 and spiral shellOn bar 9, screw rod 9 inside are provided with through hole and connect compressed air inlet pipe 200; Cylinder body 1 front end is also establishedBe equipped with venthole Bonding pressure signal piping 300, pressure detecting pipeline 300 is provided with electric contact pressureTable, the venthole of cylinder body 1 front end and the through hole of seal washer 3, in addition, cylinder body 1 and piston 2 itBetween be provided with O type circle 4, cylinder body 1 front end outside is also provided with sleeve 10, seal washer 3 be provided with its inThe inclined hole that portion's through hole communicates. In figure, arrow is depicted as pressure direction continuously.
Because EPS panel machine is in heating, EPS particle expanded by heating in die cavity, so work asWhen piston is subject in die cavity EPS particle expansive force, can be toward returning back to top, if pressure P just reaches certain valueSpool can be backed down, gapped between spool and the conical surface of taper washer, at this moment compressed air canBy gap, compressed-air actuated pressure is sent to electro connecting pressure gauge, simultaneously some pressure handleCounteracted by pressure from die cavity is fallen, and what at this moment Pressure gauge detected is malleation;
In the time that vacuum system is taken out negative pressure to EPS panel machine die cavity, the negative pressure in die cavity, passes through aluminiumThrough hole on plate, through the through hole on holding screw, through the through hole on piston, through seal washerOn through hole, until electro connecting pressure gauge, what at this moment Pressure gauge detected is negative pressure.
Use pressure sensitive device of the present invention, when after reinforced end of time, program can be automatically to EPSPanel machine die cavity is taken out negative pressure, makes the gap between EPS particle and the particle in EPS panel machine die cavityCompacter; If the outside electro connecting pressure gauge negative pressure connecing is not set up, EPS panel machine is describedIn material do not fill it up with, die cavity is with extraneous or connect. Program will be to EPS panel machine more like thisOnce feed in raw material, in secondary charging time-program(me), equally also can set, the secondary charging time finishesAfter, program also can be taken out negative pressure to EPS panel machine die cavity, and circulation like this, until set up die cavity negative pressureGet up, (conventionally only need secondary charging just can). The material that at this moment EPS panel machine die cavity is described addsMan Liao, but also ensure that in die cavity, the gap between EPS particle is also very little. The EPS plate of making also oneSurely be square-folded, particularly, on angle, before there will not be, like that, be discontented with and unfilled corner because feed in raw materialEtc. situation.
In vacuum cooled link, do not need artificially to have set cool time processed yet, but according to feeling of stressShould install the negative pressure value of detection, negative pressure value, once being through with to cooling, is carried out next link. BecauseIn the process of heating in early stage, in die cavity, there is the pressure of steam, EPS particle is subject to thermogenetic expansive force,So the pressure in die cavity is very high, need vacuum system to take out negative pressure to die cavity, fast heat is all taken outFall, until electro connecting pressure gauge is to the negative pressure value of setting.
More than show and described general principle of the present invention, principal character and advantage of the present invention. ThisThe technical staff of industry should understand, and the present invention is not restricted to the described embodiments, above-described embodiment andThat in description, describes just illustrates principle of the present invention, do not depart from spirit and scope of the invention beforePut the present invention and also have various changes and modifications, these changes and improvements all fall into claimed basisIn invention scope.
Claims (4)
1. an EPS panel machine cavity pressure checkout gear, is characterized in that, comprise cylinder body, piston,Seal washer, swivel nut, taper washer, spool, spring, screw rod and holding screw, described cylinder body embeddingCover be fixed in EPS panel machine die cavity wall, described piston be arranged on cylinder interior and with EPS panel machineDie cavity communicates, and internal piston is provided with through hole, and piston nose is provided with seal washer, and establish seal washer insideHave through hole and be connected with the through hole of internal piston, described EPS panel machine die cavity wall is provided with through hole,Described cylinder body side is provided with holding screw, and holding screw inside is provided with through hole, described holding screw insideThrough hole be connected with the through hole in described EPS panel machine die cavity wall with the through hole of described internal piston respectivelyLogical, described cylinder body front end is provided with swivel nut, and swivel nut one end is arranged on cylinder body, and the other end is provided with screw rod,Swivel nut inside is provided with taper washer, spool and spring successively, the through hole of described taper washer inside and instituteState seal washer interior bone and be connected, described spool has the conical surface and its conical surface and is against taper washerOn the conical surface, both ends of the spring is against respectively on spool and screw rod, and inside screw is provided with through hole and connects compressionAir intake duct; Described cylinder body front end is also provided with venthole Bonding pressure signal piping, described pressurePower signal piping is provided with electro connecting pressure gauge, the venthole of cylinder body front end and the through hole of seal washer.
2. EPS panel machine cavity pressure checkout gear according to claim 1, is characterized in that,Between described cylinder body and piston, be provided with O type circle.
3. EPS panel machine cavity pressure checkout gear according to claim 1, is characterized in that,Described cylinder body front end outside is also provided with sleeve.
4. EPS panel machine cavity pressure checkout gear according to claim 1, is characterized in that,Described seal washer is provided with the inclined hole communicating with its interior bone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027112.5A CN105599213B (en) | 2016-01-15 | 2016-01-15 | EPS sheet material machine cavity pressure detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027112.5A CN105599213B (en) | 2016-01-15 | 2016-01-15 | EPS sheet material machine cavity pressure detection means |
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| Publication Number | Publication Date |
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| CN105599213A true CN105599213A (en) | 2016-05-25 |
| CN105599213B CN105599213B (en) | 2017-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610027112.5A Active CN105599213B (en) | 2016-01-15 | 2016-01-15 | EPS sheet material machine cavity pressure detection means |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133856Y (en) * | 2007-12-28 | 2008-10-15 | 北京谊安医疗系统股份有限公司 | Pressure detector |
| CN103302186A (en) * | 2013-06-28 | 2013-09-18 | 苏州唐氏机械制造有限公司 | Intelligent pressure detection stamping die |
| CN104149230A (en) * | 2014-06-30 | 2014-11-19 | 哈尔滨工业大学 | Easily-opened rubber vulcanizing mold capable of detecting internal pressure of mold cavity in real time |
| CN204820126U (en) * | 2015-07-31 | 2015-12-02 | 天津红光京建科技有限公司 | EPS sheet -forming machine |
| CN205272479U (en) * | 2016-01-15 | 2016-06-01 | 上海中吉机械制造有限公司 | EPS panel machine die cavity pressure measurement |
-
2016
- 2016-01-15 CN CN201610027112.5A patent/CN105599213B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133856Y (en) * | 2007-12-28 | 2008-10-15 | 北京谊安医疗系统股份有限公司 | Pressure detector |
| CN103302186A (en) * | 2013-06-28 | 2013-09-18 | 苏州唐氏机械制造有限公司 | Intelligent pressure detection stamping die |
| CN104149230A (en) * | 2014-06-30 | 2014-11-19 | 哈尔滨工业大学 | Easily-opened rubber vulcanizing mold capable of detecting internal pressure of mold cavity in real time |
| CN204820126U (en) * | 2015-07-31 | 2015-12-02 | 天津红光京建科技有限公司 | EPS sheet -forming machine |
| CN205272479U (en) * | 2016-01-15 | 2016-06-01 | 上海中吉机械制造有限公司 | EPS panel machine die cavity pressure measurement |
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| Publication number | Publication date |
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| CN105599213B (en) | 2017-11-03 |
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