CN102837387A - Piston and double blowing feeding device for scraping knife of extrusion molding bottle cap machine - Google Patents
Piston and double blowing feeding device for scraping knife of extrusion molding bottle cap machine Download PDFInfo
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- CN102837387A CN102837387A CN201210350837XA CN201210350837A CN102837387A CN 102837387 A CN102837387 A CN 102837387A CN 201210350837X A CN201210350837X A CN 201210350837XA CN 201210350837 A CN201210350837 A CN 201210350837A CN 102837387 A CN102837387 A CN 102837387A
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Abstract
A piston and double blowing feeding device for a scraping knife of an extrusion molding bottle cap machine comprises a cylindrical main body. A semicircular scraping knife edge is formed in the lower part of the cylindrical main body. The piston and double blowing feeding device is characterized in that a piston cavity is formed in the cylindrical main body; a piston is arranged in the piston cavity; a return spring is arranged on the outer wall of the piston; a middle hole is formed in the piston; an air inlet is formed in the wall of the cylindrical main body; a sealing cover is arranged at the top of the piston cavity; the lower surface of the sealing cover is contacted with the piston; and the sealing cover is fixed with the cylindrical main body through a snap spring. The piston is pushed by air pressure; hot-melt plastic is downwards pushed for a small-section distance by the piston, so that the hot-melt plastic and the scraping knife edge are loosened; the hot-melt plastic is blown by the air pressure through the middle hole, so that the hot-melt plastic quickly falls in a die cavity and residual hot-melt plastic is prevented from being attached to the scraping knife edge; and the accuracy in feeding and the complete falling are realized, the qualification rate of products is ensured, a working procedure for halting to remove the residual material is omitted and the work efficiency is increased.
Description
Technical field
The present invention relates to extrusion molding mold pressing bottle capper, particularly relate to the piston of extrusion molding mold pressing bottle capper scraper, the dual pay-off of blowing, be mainly used in the plastic bottle closure of processing mineral water bottle and oil bottle, belong to the plastics machinery field.
Background technology
In the equipment of plastic bottle closures such as processing mineral water bottle and oil bottle; At first plastic raw materials is extruded by extruding machine; The plastic raw materials of extruding is sent into a fritter plastic raw materials in the mould of capping machine by doctor blade system, and through compression molding, mostly said doctor blade system and capping machine are to accomplish in the rotation function separately; Must work in coordination again, wherein doctor blade system mainly comprises turning cylinder, scrapes cutterhead and is arranged on the scraper of scraping on the cutterhead.Existing scraper has two kinds of patterns, and a kind of is the sheet scraper, and another kind is a half-round scraper; Said half-round scraper is divided into two sections, and epimere is the cylinder of mesopore, and hypomere is the semi-cylindrical shaped of opening; During work, when semicylindrical opening rotates to the extrusion of extruding machine, scrape and get extrusion plastic; Be rotated further the die location of capping machine, at this moment blow facing to the cylinder mesopore, the plastics in the semi-cylindrical shaped opening are blown off in mould by the pressure of blowing by blowning installation; The feeding of this scraper exists following shortcoming: the one, and blanking speed is slow, because single dependence air blowing blanking, the plastics that are bonded on the opening come off slowly; Be easy to generate displacement, it is inaccurate to feed intake, and causes product rejection; The 2nd, blanking is incomplete, and a spot of plastics are bonded on the perforated wall of scraper, and the time one is long, and the plastics hardening can be tied more serious and more serious, shuts down material clearly, influences operating efficiency.
Summary of the invention
The objective of the invention is provides a kind of feeding accurate in order to overcome the shortcoming that prior art exists, and blanking is complete, improves piston, the dual pay-off of blowing of the extrusion molding mold pressing bottle capper scraper of product percent of pass.
The technical scheme of the piston of extrusion molding mold pressing bottle capper scraper of the present invention, the dual pay-off of blowing is: comprise cylinder-shaped body; The bottom of cylinder-shaped body is the semicircular edge of a knife of scraping, and it is characterized in that being shaped on plunger shaft in the said cylinder-shaped body, and piston is set in the plunger shaft; Piston outer wall is installed back-moving spring; Said piston is shaped on mesopore, in the cylinder-shaped body wall, is shaped on air inlet, and seal cover is installed at the plunger shaft top; Contact with piston below the seal cover, seal cover fixes through jump ring and cylinder-shaped body.
The invention discloses a kind of piston of extrusion molding mold pressing bottle capper scraper, the dual pay-off of blowing, during work, move around turning cylinder by the moving scraper of scraper dribbling; When the half-round scraper mouth of scraper infraoral moves to the extrusion of extruding machine, to scrape the edge of a knife and scrape and get the heat of extruding and melt plastics, scraper continues to move to the die location of capping machine; Feed air pressure this moment from the air inlet of scraper sidewall, air pressure gets in the plunger shaft of cylinder-shaped body through air inlet, because the top of plunger shaft is dead by seal cover and jump ring sealing and fixing; Therefore air pressure can only push away piston downwards, and the lower ends downward of piston is melted plastics with heat and promoted a bit of distance downwards, makes heat melt plastics and to scrape the edge of a knife bonding no longer tight; And the upper end of piston owing to press down disengage seal cover below; Air pressure is got into from the mesopore of piston, and blow out from the piston bottom, the air pressure that blows out melts plastics with heat rapidly and blows off in the die cavity of capping machine; The mould matched moulds melts plastics to heat and carries out compression molding.Piston, the dual pay-off of blowing of this programme extrusion molding mold pressing bottle capper scraper at first promote to push away under the piston through air pressure, by piston heat are melted plastics and promote a bit of distance downwards; Make heat melt plastics and to scrape the bonding generation of the edge of a knife loosening, blow heat by air pressure through mesopore again and melt plastics, heat is melted in the die cavity that plastics fall to mould rapidly; Having avoided the part residual heat to melt plastics is bonded at and scrapes the edge of a knife; Feeding is accurate, and blanking is complete, has guaranteed product percent of pass; Eliminated and shut down the operation of removing defective material, improved operating efficiency.
The piston of extrusion molding mold pressing bottle capper scraper of the present invention, the dual pay-off of blowing, said seal cover outer wall is installed sealing ring, and sealing ring contacts with the inwall of cylinder-shaped body.The seal cover outer wall is installed sealing ring, improves the sealing of seal cover and cylinder-shaped body inwall.
Description of drawings
Fig. 1 is the piston of extrusion molding mold pressing bottle capper scraper, the schematic cross-section of the dual pay-off of blowing;
Fig. 2 is A-A direction schematic cross-section of Fig. 1.
The specific embodiment
The present invention relates to a kind of piston of extrusion molding mold pressing bottle capper scraper, the dual pay-off of blowing,, comprise cylinder-shaped body like Fig. 1-shown in Figure 2; The bottom of cylinder-shaped body is the semicircular edge of a knife 6 of scraping, and it is characterized in that being shaped on plunger shaft 11 in the said cylinder-shaped body 1, and piston 2 is set in the plunger shaft; Piston outer wall is installed back-moving spring 4; Said piston is shaped on mesopore 21, in cylinder-shaped body 1 wall, is shaped on air inlet 12, and seal cover 3 is installed at plunger shaft 11 tops; Contact with piston 2 below the seal cover, seal cover fixes through jump ring 5 and cylinder-shaped body 1.During work, move around turning cylinder by the moving scraper of scraper dribbling, when the half-round scraper mouth 6 of scraper infraoral moves to the extrusion of extruding machine; Scrape the edge of a knife and scrape and get the heat of extruding and melt plastics, scraper continues to move to the die location of capping machine, and feed air pressure this moment from the air inlet 12 of scraper sidewall; Air pressure gets in the plunger shaft 11 of cylinder-shaped body 1 through air inlet, because the top of plunger shaft is dead by seal cover 3 and jump ring 5 sealing and fixing, so air pressure can only push away piston 2 downwards; The lower ends downward of piston is melted plastics with heat and is promoted a bit of distance downwards; Make heat melt plastics and to scrape the edge of a knife 6 bonding no longer tight, and the upper end of piston 2 owing to press down disengage seal cover 3 below, air pressure is got into from the mesopore 21 of piston; And blow out from the piston bottom; The air pressure that blows out melts plastics with heat rapidly and blows off in the die cavity of capping machine, and the mould matched moulds melts plastics to heat and carries out compression molding.Piston, the dual pay-off of blowing of this programme extrusion molding mold pressing bottle capper scraper at first promote piston through air pressure and push away for 2 times, by piston heat are melted plastics and promote a bit of distance downwards; Make heat melt plastics and to scrape the edge of a knife 6 bonding generations loosening, blow heat by air pressure through mesopore 21 again and melt plastics, heat is melted in the die cavity that plastics fall to mould rapidly; Having avoided the part residual heat to melt plastics is bonded at and scrapes the edge of a knife 6; Feeding is accurate, and blanking is complete, has guaranteed product percent of pass; Eliminated and shut down the operation of removing defective material, improved operating efficiency.Said seal cover 3 outer walls are installed sealing ring 31, and sealing ring contacts with the inwall of cylinder-shaped body 1.Seal cover 3 outer walls are installed sealing ring 31, improve the sealing of seal cover 3 and cylinder-shaped body 1 inwall.
Claims (2)
1. the piston of extrusion molding mold pressing bottle capper scraper, the dual pay-off of blowing comprise cylinder-shaped body, and the bottom of cylinder-shaped body is the semicircular edge of a knife (6) of scraping; It is characterized in that being shaped in the said cylinder-shaped body (1) plunger shaft (11); Piston (2) is set in the plunger shaft, and piston outer wall is installed back-moving spring (4), and said piston is shaped on mesopore (21); In cylinder-shaped body (1) wall, be shaped on air inlet (12); Contact with piston (2) below plunger shaft (11) the top installation seal cover (3), seal cover, seal cover fixes through jump ring (5) and cylinder-shaped body (1).
2. the piston of extrusion molding mold pressing bottle capper scraper as claimed in claim 1, the dual pay-off of blowing is characterized in that said seal cover (3) outer wall installation sealing ring (31), and sealing ring contacts with the inwall of cylinder-shaped body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210350837.XA CN102837387B (en) | 2012-09-20 | 2012-09-20 | Piston and double blowing feeding device for scraping knife of extrusion molding bottle cap machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210350837.XA CN102837387B (en) | 2012-09-20 | 2012-09-20 | Piston and double blowing feeding device for scraping knife of extrusion molding bottle cap machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102837387A true CN102837387A (en) | 2012-12-26 |
| CN102837387B CN102837387B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210350837.XA Active CN102837387B (en) | 2012-09-20 | 2012-09-20 | Piston and double blowing feeding device for scraping knife of extrusion molding bottle cap machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638472A (en) * | 2018-05-29 | 2018-10-12 | 台州市黄岩凯普机械有限公司 | The self-cooled pneu-matic piston scraping mechanism of bottle capper |
| CN108972696A (en) * | 2018-08-08 | 2018-12-11 | 湖南元亨科技股份有限公司 | A kind of cooling tower large size hand paste FRP broadcasts basin punching apparatus |
| CN113815300A (en) * | 2021-10-15 | 2021-12-21 | 深圳市至臻精密股份有限公司 | Cambered surface screen printing machine for semiconductor preparation |
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| WO2002045934A2 (en) * | 2000-12-04 | 2002-06-13 | Sacmi Cooperativa Meccanici Imola S.C.R.L. | Carrousel apparatus for compression moulding plastics articles |
| CN201095175Y (en) * | 2007-09-18 | 2008-08-06 | 金土良 | Discharging scraping device used for bottle cap block press |
| CN101920542A (en) * | 2010-08-16 | 2010-12-22 | 广州晶品包装机械有限公司 | Mould pressing lid maker |
| CN102085703A (en) * | 2009-12-05 | 2011-06-08 | 李加庆 | Scraping and cap conveying device for bottle cap block press |
| CN102218791A (en) * | 2010-04-15 | 2011-10-19 | 蒋乐庆 | Feed and discharge mechanism for plastic bottle cap extruding machine |
| CN202878571U (en) * | 2012-09-20 | 2013-04-17 | 台州市黄岩凯普机械有限公司 | Piston and air-blowing dual-feeding device for scraper of extrusion molding and mould pressing bottle cap machine |
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2012
- 2012-09-20 CN CN201210350837.XA patent/CN102837387B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002045934A2 (en) * | 2000-12-04 | 2002-06-13 | Sacmi Cooperativa Meccanici Imola S.C.R.L. | Carrousel apparatus for compression moulding plastics articles |
| CN201095175Y (en) * | 2007-09-18 | 2008-08-06 | 金土良 | Discharging scraping device used for bottle cap block press |
| CN102085703A (en) * | 2009-12-05 | 2011-06-08 | 李加庆 | Scraping and cap conveying device for bottle cap block press |
| CN102218791A (en) * | 2010-04-15 | 2011-10-19 | 蒋乐庆 | Feed and discharge mechanism for plastic bottle cap extruding machine |
| CN101920542A (en) * | 2010-08-16 | 2010-12-22 | 广州晶品包装机械有限公司 | Mould pressing lid maker |
| CN202878571U (en) * | 2012-09-20 | 2013-04-17 | 台州市黄岩凯普机械有限公司 | Piston and air-blowing dual-feeding device for scraper of extrusion molding and mould pressing bottle cap machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638472A (en) * | 2018-05-29 | 2018-10-12 | 台州市黄岩凯普机械有限公司 | The self-cooled pneu-matic piston scraping mechanism of bottle capper |
| CN108638472B (en) * | 2018-05-29 | 2024-02-02 | 台州市黄岩凯普机械有限公司 | Self-cooling pneumatic piston scraping mechanism of bottle cap machine |
| CN108972696A (en) * | 2018-08-08 | 2018-12-11 | 湖南元亨科技股份有限公司 | A kind of cooling tower large size hand paste FRP broadcasts basin punching apparatus |
| CN108972696B (en) * | 2018-08-08 | 2024-03-01 | 湖南元亨科技股份有限公司 | Large-scale hand paste FRP water basin punching equipment of broadcasting of cooling tower |
| CN113815300A (en) * | 2021-10-15 | 2021-12-21 | 深圳市至臻精密股份有限公司 | Cambered surface screen printing machine for semiconductor preparation |
| CN113815300B (en) * | 2021-10-15 | 2022-07-19 | 深圳市至臻精密股份有限公司 | Cambered surface screen printing machine for semiconductor preparation |
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| Publication number | Publication date |
|---|---|
| CN102837387B (en) | 2015-04-22 |
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