CN103465435A - Injection molding machine - Google Patents
Injection molding machine Download PDFInfo
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- CN103465435A CN103465435A CN2013103913322A CN201310391332A CN103465435A CN 103465435 A CN103465435 A CN 103465435A CN 2013103913322 A CN2013103913322 A CN 2013103913322A CN 201310391332 A CN201310391332 A CN 201310391332A CN 103465435 A CN103465435 A CN 103465435A
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Abstract
The invention provides an injection molding machine, comprising an injection system, a hydraulic transmission system, an electrical control system and a heating and cooling system, wherein two or more pressure maintaining work stations are arranged around an injection work station of the injection system; each pressure maintaining work station comprises a pressing machine, a top pressing plate, a mould, a bottom pressing plate, a guide rod and a hydraulic oil cylinder; the pressing machines are located above the pressure maintaining work stations; the pressing machines apply pressure to the top of mould through the top pressing plates, the bottom surfaces of the moulds are fixed to the guide rods, each guide rod is fixedly provided with a pulley or a sliding plate capable of sliding on the bottom pressing plate, the hydraulic oil cylinders are arranged below the lower pressing plates and apply pressure to the bottom surfaces of the moulds through the top pressing plates, and the moulds are pushed into or pulled out of the injection work stations by pushing or pulling the guide rods. When the injection molding machine provided by the invention performs pressure maintaining cooling, pressure injection is not affected, continuous pressure injection and pressure cooling are realized, and production efficiency is improved.
Description
Technical field
The present invention relates to a kind of plastic molding equipment, particularly, relate to a kind of injection machine.
Background technology
Injection machine has energy one-shot forming external form complexity, size is accurate or the ability dense plastic products with the quality of metal insert, is widely used in national defence, electromechanics, automobile, communications and transportation, building materials, packing, agricultural, culture, education and public health and people's daily life every field.The today developed rapidly in plastics industry, no matter injection machine is quantitatively or all occupy critical role on kind, it produces the 20%-30% that sum accounts for whole plastic molding equipment, thus become in current plastics machinery, increase the fastest, one of machine that production quantity is maximum.
Injection machine is comprised of injecting systems, Clamping System, Hydraulic Power Transmission System, electric control system, lubricating system, heating and cooling system, safety monitoring system etc. usually.The effect of injecting systems: injecting systems is one of topmost part of injection machine, generally there are plunger type, screw, screw rod preformed plunger to annotate, in a circulation of injection molding material machine, can be by after the plasticizing of the plastic heating of some in official hour, under certain pressure and speed, by screw rod, molten plastic is injected to mold cavity.After injection finishes, the melt be expelled in die cavity is kept to typing.The effect of Clamping System: the effect of Clamping System is assurance mould closure, opens and eject goods.Simultaneously, after the mould closure, supply with the enough clamp forces of mould, with the opposing molten plastic, enter the cavity pressure that die cavity produces, prevent that mould from cracking, cause the bad present situation of goods.The effect of Hydraulic Power Transmission System is to realize that injection machine provides power by the desired exercises of technical process, and meets the requirement of the required pressure of injection machine each several part, speed, temperature etc.It is mainly by planting separately Hydraulic Elements and the hydraulic pressure auxiliary element is formed, and wherein oil pump and motor are the power resources of injection machine.Various valves are controlled oil liquid pressure and flow, thereby meet the injection molding technique requirements.
The molding process of general injection machine is: at first granular or powdered plastic are added in machine barrel, and make plastics become molten condition by rotation and the heating of machine barrel outer wall of screw rod, then machine carries out matched moulds and injection seat reach, make nozzle be adjacent to the pouring head of mould, then to injection cylinder, pass into pressure oil, screw rod is pushed ahead, thereby with very high pressure with in the close die that speed is lower by the melt implantation temperature faster, keep (claiming again pressurize) through certain hour and pressure, cooling, make its curing molding, just (but the purpose of pressurize is the anti-stream that prevents melt in die cavity to die sinking taking-up goods, supplement material in die cavity, and guarantee that goods have certain density and dimensional tolerance).Plasticizing is the prerequisite that realizes and guarantee shaped article quality, and is the requirement that meets moulding, and injection must ensure enough pressure and speed.Simultaneously, because injection pressure is very high, correspondingly in die cavity, produce very high pressure (average pressure in die cavity is generally between 20～45MPa), therefore enough large mold clamping force must be arranged.As can be seen here, injection device and mold closing mechanism are the critical components of injection machine.
Injection moulding is the process of a circulation, and each cycle comprises: quantifying feed, and fusion plastification, the injection of exerting pressure, pressurize is cooling, opens the mould pickup, takes out after plastic again mold closing again, carries out next one and circulates.
But, the traditional injection moulding machine only has a station, when being exerted pressure injection and cooling this two steps of pressurize, what utilize is same station, the position that is to say mould does not change, and because the cooling needs of pressurize expend the regular hour, now needs to have interrupted the injection operation of exerting pressure, affect the continuity of whole technique, reduced production efficiency.
Summary of the invention
The object of the invention is to overcome the defect of above-mentioned prior art existence and a kind of injection machine is provided, injection machine provided by the invention is carrying out pressurize when cooling, do not affect the injection of exerting pressure, realized exerting pressure injection and the cooling serialization of pressurize are carried out, and have improved production efficiency.
Purpose of the present invention is achieved through the following technical solutions, a kind of injection machine, comprise injecting systems, Hydraulic Power Transmission System, electric control system, heating and cooling system, described injecting systems is provided with injection station, described injection station surrounding is provided with two or more pressurize stations, described pressurize station comprises press, top board, mould, lower platen, guide rod, hydraulic jack, described press is positioned at the top of pressurize station, described press is exerted pressure to the end face of described mould by top board, the bottom surface of described mould is fixed on described guide rod, described guide rod is fixed with pulley or the slide plate that can slide on described lower platen, described hydraulic jack be arranged at described lower platen below, described hydraulic jack is exerted pressure to the bottom surface of described mould by described lower platen, by the described guide rod of push-and-pull, realization pushes or pulls out described injection station by described mould.
Preferably, described lower platen is provided with the track that described pulley or slide plate can be slided, thereby easily and accurately described mould is pushed or pull out injection station.
Preferably, described guide rod is connected with oil cylinder, is realized the sliding active of described guide rod by oil cylinder.
Preferably, the underrun bolt of described mould is fixed on described guide rod.
Preferably, described pressurize station has four.
Compared with prior art, the present invention has following beneficial effect: injection machine provided by the invention is provided with the cooling station of two or more pressurizes in the surrounding of the injection station of exerting pressure, after mould is exerted pressure injection moulding, when this mould enters the cooling station of the pressurize closed on and carries out pressurize by pulley, make its curing molding, then goods are taken out in die sinking; When the cooling station of above-mentioned pressurize carries out pressurize, the idle mould of the cooling station of other pressurize is pushed to the injection station of exerting pressure and proceed the injection moulding of exerting pressure, circulation successively, uninterruptedly the carrying out of the injection that realized exerting pressure, guarantee the continuity of whole technique, improved production efficiency.
The accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is that the master of an embodiment of injection machine provided by the invention looks schematic diagram.
Fig. 2 is the schematic top plan view of injection machine shown in Fig. 1.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
embodiment 1,
The present embodiment relates to a kind of injection machine, as depicted in figs. 1 and 2, comprise injecting systems, Hydraulic Power Transmission System, electric control system, heating and cooling system, injecting systems comprises injection molding motor 1, hopper 11 and the fixing injection station of injection mold, the injection station surrounding is provided with two pressurize stations, the pressurize station comprises press 2, top board 3, mould 5, lower platen 7, support column 4, guide rod 10, hydraulic jack 9, support column 4 is vertically placed, support column connects support top board 3 and lower platen 7 in two ends Shang Xia 4, press 2 is positioned at the top of pressurize station, press 2 is exerted pressure by the end face of 3 pairs of moulds 5 of top board, the underrun welding manner of mould 5 is fixed on guide rod, guide rod is fixed with the pulley 8 that can slide on lower platen 7, hydraulic jack 9 be arranged at lower platen 7 below, hydraulic jack 9 is exerted pressure by the bottom surface of 7 pairs of moulds 5 of lower platen, by the push-and-pull guide rod, realization pushes or pulls out injection station by mould 5, realized exerting pressure uninterruptedly the carrying out of injection, guaranteed the continuity of injection moulding and pressurize, improved production efficiency.
embodiment 2,
The present embodiment relates to a kind of injection machine, as depicted in figs. 1 and 2, comprise injecting systems, Hydraulic Power Transmission System, electric control system, heating and cooling system, injecting systems comprises injection molding motor 1, hopper 11 and the fixing injection station of injection mold, the injection station surrounding is provided with three pressurize stations, the pressurize station comprises press 2, top board 3, mould 5, lower platen 7, support column 4, guide rod 10, hydraulic jack 9, press 2 is positioned at the top of pressurize station, support column 4 is vertically placed, support column connects support top board 3 and lower platen 7 in two ends Shang Xia 4, press 2 is exerted pressure by the end face of 3 pairs of moulds 5 of top board, the underrun bolt of mould 5 is fixed on guide rod, guide rod is fixed with the pulley 8 that can slide on lower platen 7, hydraulic jack 9 be arranged at lower platen 7 below, hydraulic jack 9 is exerted pressure by the bottom surface of 7 pairs of moulds 5 of lower platen, by the push-and-pull guide rod, realization pushes or pulls out injection station by mould 5, realized exerting pressure uninterruptedly the carrying out of injection, guaranteed the continuity of injection moulding and pressurize, improved production efficiency.
embodiment 3,
The present embodiment relates to a kind of injection machine, as depicted in figs. 1 and 2, comprise injecting systems, Hydraulic Power Transmission System, electric control system, heating and cooling system, injecting systems comprises injection molding motor 1, hopper 11 and the fixing injection station of injection mold, the injection station surrounding is provided with four pressurize stations, the pressurize station comprises press 2, top board 3, mould 5, lower platen 7, support column 4, guide rod 10, hydraulic jack 9, press 2 is positioned at the top of pressurize station, support column 4 is vertically placed, support column connects support top board 3 and lower platen 7 in two ends Shang Xia 4, press 2 is exerted pressure by the end face of 3 pairs of moulds 5 of top board, the underrun bolt of mould 5 is fixed on guide rod, guide rod is fixed with the pulley 8 that can slide on lower platen 7, hydraulic jack 9 be arranged at lower platen 7 below, hydraulic jack 9 is exerted pressure by the bottom surface of 7 pairs of moulds 5 of lower platen, guide rod is connected with oil cylinder 6, realized the sliding active of guide rod by oil cylinder 6, by oil cylinder 6 push-and-pull guide rods, realization pushes or pulls out injection station by mould 5, realized exerting pressure uninterruptedly the carrying out of injection, guaranteed the continuity of injection moulding and pressurize, improved production efficiency.
embodiment 4,
The present embodiment relates to a kind of injection machine, as depicted in figs. 1 and 2, comprise injecting systems, Hydraulic Power Transmission System, electric control system, heating and cooling system, injecting systems comprises injection molding motor 1, hopper 11 and the fixing injection station of injection mold, the injection station surrounding is provided with six pressurize stations, the pressurize station comprises press 2, top board 3, mould 5, lower platen 7, support column 4, guide rod 10, hydraulic jack 9, press 2 is positioned at the top of pressurize station, support column 4 is vertically placed, support column connects support top board 3 and lower platen 7 in two ends Shang Xia 4, press 2 is exerted pressure by the end face of 3 pairs of moulds 5 of top board, the underrun bolt of mould 5 is fixed on guide rod, guide rod is fixed with the pulley 8 that can slide on lower platen 7, hydraulic jack 9 be arranged at lower platen 7 below, hydraulic jack 9 is exerted pressure by the bottom surface of 7 pairs of moulds 5 of lower platen, guide rod is connected with oil cylinder 6, realized the sliding active of guide rod by oil cylinder 6, lower platen 7 is provided with the track that pulley 8 can be slided, by oil cylinder 6 push-and-pull guide rods, make pulley on guide rod along the track scroll forward and backward, realization pushes mould 5 or pulls out described injection station easily and accurately, realized exerting pressure uninterruptedly the carrying out of injection, guaranteed the continuity of injection moulding and pressurize, improved production efficiency.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (5)
1. an injection machine, comprise injecting systems, Hydraulic Power Transmission System, electric control system, heating and cooling system, described injecting systems is provided with injection station, it is characterized in that, described injection station surrounding is provided with two or more pressurize stations, described pressurize station comprises press, top board, mould, lower platen, guide rod, hydraulic jack, described press is positioned at the top of pressurize station, described press is exerted pressure to the end face of described mould by top board, the bottom surface of described mould is fixed on described guide rod, described guide rod is fixed with pulley or the slide plate that can slide on described lower platen, described hydraulic jack be arranged at described lower platen below, described hydraulic jack is exerted pressure to the bottom surface of described mould by described lower platen, by the described guide rod of push-and-pull, realization pushes or pulls out described injection station by described mould.
2. injection machine according to claim 1, is characterized in that, is provided with the track that described pulley or slide plate can be slided on described lower platen.
3. injection machine according to claim 1 and 2, is characterized in that, described guide rod is connected with oil cylinder, realized the sliding active of described guide rod by oil cylinder.
4. injection machine according to claim 1, is characterized in that, the underrun bolt of described mould is fixed on described guide rod.
5. injection machine according to claim 1, is characterized in that, described pressurize station has four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310391332.2A CN103465435B (en) | 2013-08-30 | 2013-08-30 | Injection machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310391332.2A CN103465435B (en) | 2013-08-30 | 2013-08-30 | Injection machine |
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| CN103465435A true CN103465435A (en) | 2013-12-25 |
| CN103465435B CN103465435B (en) | 2016-03-30 |
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| CN201310391332.2A Expired - Fee Related CN103465435B (en) | 2013-08-30 | 2013-08-30 | Injection machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082451A (en) * | 2015-08-31 | 2015-11-25 | 臻雅科技温州有限公司 | Automatic injection molding conveying mechanism assembly device for graphene ceramic tiles |
| CN106142433A (en) * | 2016-07-20 | 2016-11-23 | 王波 | A kind of Novel injection moulding machine preventing cavity |
| CN108638404A (en) * | 2018-04-28 | 2018-10-12 | 孙冉 | It is a kind of that there is the multifunctional mold for changing and controlling temperature |
| CN109940819A (en) * | 2019-04-19 | 2019-06-28 | 安徽奇艺新材塑胶有限公司 | A kind of reciprocating motion composable mold formula injection molding pressing machine |
| CN113442367A (en) * | 2021-06-30 | 2021-09-28 | 漳州市品源塑胶模具有限公司 | Multifunctional combined plastic mold for medical electronic products |
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| JPH085089B2 (en) * | 1993-03-25 | 1996-01-24 | 日精樹脂工業株式会社 | Alternate injection molding machine |
| CN1579734A (en) * | 2003-08-07 | 2005-02-16 | 满誉集团股份公司 | Machine, machine structure and mold for the injection-molding of soles, technical articles and the like |
| CN200954672Y (en) * | 2006-04-25 | 2007-10-03 | 青岛科技大学 | Multi-working-position injection moulding apparatus |
| KR20100005797A (en) * | 2008-07-08 | 2010-01-18 | (주) 디아이엔바이로 | A low pressure injection molding machine |
| CN202528386U (en) * | 2012-03-09 | 2012-11-14 | 肇庆龙头电子电器有限公司 | Rotor injection molding machine of micromotor |
| CN102950696A (en) * | 2011-08-16 | 2013-03-06 | 博创机械股份有限公司 | In-mold multi-station injection molding machine |
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2013
- 2013-08-30 CN CN201310391332.2A patent/CN103465435B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085089B2 (en) * | 1993-03-25 | 1996-01-24 | 日精樹脂工業株式会社 | Alternate injection molding machine |
| CN1579734A (en) * | 2003-08-07 | 2005-02-16 | 满誉集团股份公司 | Machine, machine structure and mold for the injection-molding of soles, technical articles and the like |
| CN200954672Y (en) * | 2006-04-25 | 2007-10-03 | 青岛科技大学 | Multi-working-position injection moulding apparatus |
| KR20100005797A (en) * | 2008-07-08 | 2010-01-18 | (주) 디아이엔바이로 | A low pressure injection molding machine |
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| CN202528386U (en) * | 2012-03-09 | 2012-11-14 | 肇庆龙头电子电器有限公司 | Rotor injection molding machine of micromotor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082451A (en) * | 2015-08-31 | 2015-11-25 | 臻雅科技温州有限公司 | Automatic injection molding conveying mechanism assembly device for graphene ceramic tiles |
| CN106142433A (en) * | 2016-07-20 | 2016-11-23 | 王波 | A kind of Novel injection moulding machine preventing cavity |
| CN108638404A (en) * | 2018-04-28 | 2018-10-12 | 孙冉 | It is a kind of that there is the multifunctional mold for changing and controlling temperature |
| CN108638404B (en) * | 2018-04-28 | 2021-02-02 | 无棣和融不锈钢制品有限公司 | Multifunctional mold with temperature changing and controlling functions |
| CN109940819A (en) * | 2019-04-19 | 2019-06-28 | 安徽奇艺新材塑胶有限公司 | A kind of reciprocating motion composable mold formula injection molding pressing machine |
| CN113442367A (en) * | 2021-06-30 | 2021-09-28 | 漳州市品源塑胶模具有限公司 | Multifunctional combined plastic mold for medical electronic products |
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| CN103465435B (en) | 2016-03-30 |
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