CN102873814B - Ultrahigh-pressure water circulation quick pressurizing two-plate type injection molding machine - Google Patents
Ultrahigh-pressure water circulation quick pressurizing two-plate type injection molding machine Download PDFInfo
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- CN102873814B CN102873814B CN201210405323.XA CN201210405323A CN102873814B CN 102873814 B CN102873814 B CN 102873814B CN 201210405323 A CN201210405323 A CN 201210405323A CN 102873814 B CN102873814 B CN 102873814B
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- hydraulic cylinder
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000001746 injection moulding Methods 0.000 title abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 39
- 239000007924 injection Substances 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 229910003472 fullerene Inorganic materials 0.000 claims description 4
- 239000002952 polymeric resin Substances 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 229920003169 water-soluble polymer Polymers 0.000 claims description 4
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical group [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 239000013556 antirust agent Substances 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000010720 hydraulic oil Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 206010008469 Chest discomfort Diseases 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an ultrahigh-pressure water circulation quick pressurizing two-plate type injection molding machine which comprises a screw rod, a cylinder, a nozzle, a heating ring, a screw rod rotation driving system, a screw rod injection driving system, an injection seat movement driving system, a fixed mould plate, a moving mould plate, a moving mould plate movement driving system, a pull rod, an internal circulation mould locking hydraulic cylinder and a quick pressurizing device. The quick pressurizing device comprises a fourth servo motor, a fourth ball screw, a second ball screw nut, a pressurizing block, a dustproof ring, a seal ring, a pressure sensor and a hydraulic cylinder. Movement parts are driven by the servo motor and the ball screw to realize quick movement and precise control of the parts. Mould locking pressure is set up by the quick pressurizing device, quickness in pressure setup is realized, mould locking pressure can be precisely controlled by the sensor, magnitude of the mould locking pressure can be controlled by the length of the pressurizing block entering the hydraulic cylinder, and a two-plate type mould closing device is small in occupied space. In addition, specially treated water is used as a pressure transferring medium, and low production cost and cleanness in production are realized.
Description
Technical field
The present invention relates to a kind of injection machine, belong to processing of high molecular material forming machine field.
Background technology
Compared with conventional hydraulic type injection machine, full electric injection molding machine has a series of advantage, energy-conservation, clean environment firendly, efficient, accurate, at a high speed.But full electric injection molding machine also has its weak point, existing full electric injection molding machine is realized folding mould and locked mode with elbow-bar mechanism substantially, and ball-screw is only suitable for the type in little tonnage.When design, also need to consider the interference problem of ball-screw and elbow-bar mechanism, this has limited greatly opens mould-closing stroke.And in the time of locked mode, locked mode ball-screw need to bear very large locked mode pressure, under long-term work condition, easily cause the damage of ball-screw to lose efficacy.
The hydraulic medium of existing hydraulic injection machine is generally selected hydraulic oil, hydraulic oil has the advantages such as not volatile, lubricated, antirust, but also there are some shortcomings simultaneously, as large in hydraulic oil compressibility, can make volume-variation large, cause moving unstable, inhomogeneous and produce shock, destroying Hydraulic Elements; Viscosity is large, and flow resistance is large, causes unnecessary energy loss; And hydraulic oil pollutes the environment.Existing hydraulic injection machine needs pump to continue to provide hydraulic oil in the locked mode stage, but the locked mode stage do not need a large amount of hydraulic oil, therefore a large amount of hydraulic oil has flowed away by overflow valve, this has also caused the waste of large energy.
The Hydraulic Drive Technology of water base fluid has been the technology of a comparative maturity in west industrially developed country, has been widely used in the industries such as mining, metallurgy.Hydraulic pressure transmission has fairly obvious feature: clean, free from environmental pollution and goods, buy use cost cheap.But the shortcomings such as viscosity is low, poor lubricity that water also exists, easily cause the problems such as wearing and tearing, sealing, corrosion.Therefore its application has been subject to certain restriction.
Summary of the invention
The object of the present invention is to provide a kind of high-pressure water circulation Quick-pressurizing two-plate injection machine, to overcome these shortcomings above-mentioned, realize the energy-conservation, clean, quick, efficient, accurate of injection moulding production.
In order to realize above object, the present invention is by the following technical solutions: a kind of ultrahigh speed water circulation supercharging two-plate injection machine, mainly moves drive system, solid plate, moving platen, moving platen by screw rod, machine barrel, nozzle, heating collar, screw rod rotary drive system, screw of injection drive system, injection seat and moves drive system, pull bar, interior circulation locked mode hydraulic cylinder and Quick pressurizing device and form.The rotation of screw rod is driven by servomotor one.Servomotor one, by the transmission of gear two, Timing Belt one, gear one, is realized the rotation of screw rod.Screw of injection is realized by servomotor two, and servomotor two, by the transmission of gear three, Timing Belt two, gear four, makes ball-screw one rotation, realizes moving forward and backward of screw rod, thereby realize screw of injection by ball-screw one.Screw rod and ball-screw one are arranged on guide rail by preformed bearing block and injection shaft bearing, and guide rails assembling is in frame.The folding mould of moving platen is driven by servomotor three.Servomotor three drives ball-screw nut one rotation by gear six and gear five, realizes the movement of moving platen by ball-screw three.The implementation that the implementation of injection seat integrated moving moves with moving platen is identical, realizes injection seat integrated moving with ball-screw two.Mold closing mechanism adopts two-plate clamping, and it is made up of solid plate, moving platen, pull bar and interior circulation locked mode hydraulic cylinder.Clamping apparatus adopts the Quick pressurizing device of the water-driven of specially treated, and in locked mode adopts, circulation locked mode hydraulic cylinder is realized, and the foundation of locked mode pressure realizes by Quick pressurizing device.Quick pressurizing device is made up of servomotor four, ball-screw four, ball-screw nut two, booster block, dust ring, sealing ring, pressure sensor and hydraulic cylinder.When work, with oil pipe connection pressurized cylinder hydraulic cylinder port and locked mode hydraulic cylinder entrance.While needing locked mode supercharging, start servomotor four, by the transmission of ball-screw four and ball-screw nut two, booster block is stretched in hydraulic cylinder, the volume in hydraulic cylinder reduces, fluid pressure in hydraulic cylinder is raise, in the time that pressure sensor reaches the locked mode pressure of setting, make servomotor four stalls, keep the high pressure in hydraulic cylinder, liquid high pressure is delivered in locked mode hydraulic cylinder high pressure chest by pressurized cylinder hydraulic cylinder port, realizes locked mode.The locked mode stage, while end, ball-screw four reversed, and made booster block exit hydraulic cylinder, and volume in hydraulic cylinder is increased, and in cylinder, fluid pressure reduces, and the pressure recording when pressure sensor during lower than certain pressure, makes servomotor four stalls.
A kind of high-pressure water circulation of the present invention Quick-pressurizing two-plate injection machine, adopts the water of specially treated to replace hydraulic oil as pressure transmission medium.The water of specially treated is made up of the water soluble polymer resins such as deionized water, antirust agent, fullerene or siloxane molecule, polyvinyl alcohol (PVA) or polyacrylamide, polyethers etc.Fullerene or siloxane molecule can improve the lubricity of water, the water soluble polymer resins such as PVA or polyacrylamide, polyethers can be anti-sealing leak and improve control response characteristic.Hydraulic cylinder and inner-walls of duct are all used the processing of hydrophobic surface passivator.
A kind of high-pressure water circulation of the present invention Quick-pressurizing two-plate injection machine, its moving platen moves and can adopt motor, ball-screw to drive or by the Driven by Hydraulic Cylinder of the water-driven of specially treated.
A kind of high-pressure water circulation of the present invention Quick-pressurizing two-plate injection machine, the integrated moving of its screw rod rotation and injection and injection seat adopts servomotor, ball-screw to drive.
From above technical scheme, the present invention compared with prior art tool has the following advantages:
1. moving component adopts servomotor, ball-screw to drive, and can realize the fast moving of parts and accurately control.
2. two-plate mold closing mechanism, saves steel, and complete machine length is short, has reduced occupation of land space.
3. the foundation of locked mode pressure adopts Quick pressurizing device, can realize fast run-up and press, and locked mode pressure can accurately control by sensor, and the length that the large I of locked mode pressure stretches into hydraulic cylinder by booster block is controlled.
4. adopt the water of specially treated as pressure transmission medium, can reduce production costs, and can realize cleaner production.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-pressure water circulation of the present invention Quick-pressurizing two-plate injection machine.
Fig. 2 is the Quick pressurizing device structure diagram that a kind of high-pressure water circulation of the present invention Quick-pressurizing two-plate injection machine adopts.
In figure: 1-screw rod, 2-gear one, 3-Timing Belt one, 4-gear two, 5-servomotor one, 6-servomotor two, 7-gear three, 8-Timing Belt two, 9-gear four, 10-ball-screw one, 11-injection shaft bearing, 12-guide rail, 13-frame, 14-preformed bearing block, 15-ball-screw two, 16-moving platen, 17-ball-screw three, 18-solid plate, 19-ball-screw nut one, 20-gear five, 21-gear six, 22-servomotor three, 23-locked mode hydraulic cylinder entrance, circulation locked mode hydraulic cylinder in 24-, 25-pull bar, 26-servomotor four, 27-ball-screw four, 28-ball-screw nut two, 29-booster block, 30-dust ring, 31-sealing ring, 32-pressure sensor, 33-hydraulic cylinder, 34-pressurized cylinder hydraulic cylinder port.
The specific embodiment
As shown in Figure 1, a kind of high-pressure water circulation Quick-pressurizing two-plate injection machine.
The rotation of screw rod 1 is driven by servomotor 1.Servomotor 1, by the transmission of gear 24, Timing Belt 1, gear 1, is realized the rotation of screw rod 1.Screw rod 1 is injected by servomotor 26 and is realized, and servomotor 26, by the transmission of gear 37, Timing Belt 28, gear 49, rotates ball-screw 1, realizes moving forward and backward of screw rod 1 by ball-screw 1, injects thereby realize screw rod 1.Screw rod 1 is arranged on guide rail 12 by preformed bearing block 14 and injection shaft bearing 11 with ball-screw 1, and guide rail 12 is installed in frame 13.
The folding mould of moving platen 16 is driven by servomotor 3 22.Servomotor 3 22 drives ball-screw nut 1 to rotate by gear 6 21 and gear 5 20, realizes the movement of moving platen 16 by ball-screw 3 17.The implementation of injection seat integrated moving is identical with the implementation that moving platen 16 moves, and realizes injection seat integrated moving with ball-screw 2 15.
Mold closing mechanism adopts two-plate clamping, and it is made up of solid plate 18, moving platen 16, pull bar 25 and interior circulation locked mode hydraulic cylinder 24.In locked mode adopts, circulation locked mode hydraulic cylinder 24 is realized, and the foundation of locked mode pressure realizes by Quick pressurizing device.Quick pressurizing device as shown in Figure 2, is made up of servomotor 4 26, ball-screw 4 27, ball-screw nut 2 28, booster block 29, dust ring 30, sealing ring 31, pressure sensor 32 and hydraulic cylinder 33.When work, with oil pipe connection pressurized cylinder hydraulic cylinder port 34 and locked mode hydraulic cylinder entrance 23.While needing locked mode supercharging, start servomotor 4 26, by the transmission of ball-screw 4 27 and ball-screw nut 2 28, booster block 29 is stretched in hydraulic cylinder 33, the volume in hydraulic cylinder 33 reduces, fluid pressure in hydraulic cylinder 33 is raise, in the time that pressure sensor 32 reaches the locked mode pressure of setting, make servomotor 4 26 stalls, keep the high pressure in hydraulic cylinder 33, liquid high pressure is delivered in locked mode hydraulic cylinder high pressure chest by pressurized cylinder hydraulic cylinder port 34, realizes locked mode.The locked mode stage, while end, ball-screw 4 27 reversions, made booster block 29 exit hydraulic cylinder 33, volume in hydraulic cylinder 33 is increased, fluid pressure reduces in cylinder, and the pressure recording when pressure sensor 32 during lower than certain pressure, makes servomotor 4 26 stalls.
Claims (4)
1. a ultrahigh speed water circulation supercharging two-plate injection machine, it is characterized in that: mainly move drive system, solid plate, moving platen, moving platen by screw rod, machine barrel, nozzle, heating collar, screw rod rotary drive system, screw of injection drive system, injection seat and move drive system, pull bar, interior circulation locked mode hydraulic cylinder and Quick pressurizing device and form, the rotation of screw rod is driven by servomotor one, servomotor one, by the transmission of gear two, Timing Belt one, gear one, is realized the rotation of screw rod; Screw of injection is realized by servomotor two, and servomotor two, by the transmission of gear three, Timing Belt two, gear four, makes ball-screw one rotation, realizes moving forward and backward of screw rod, thereby realize screw of injection by ball-screw one; Screw rod and ball-screw one are arranged on guide rail by preformed bearing block and injection shaft bearing, and guide rails assembling is in frame; The folding mould of moving platen is driven by servomotor three, and servomotor three drives ball-screw nut one rotation by gear six and gear five, realizes the movement of moving platen by ball-screw three; The implementation that the implementation of injection seat integrated moving moves with moving platen is identical, realizes injection seat integrated moving with ball-screw two; Mold closing mechanism adopts two-plate clamping, it is made up of solid plate, moving platen, pull bar and interior circulation locked mode hydraulic cylinder, clamping apparatus adopts the Quick pressurizing device of the water-driven of specially treated, in locked mode adopts, circulation locked mode hydraulic cylinder is realized, and the foundation of locked mode pressure realizes by Quick pressurizing device; Quick pressurizing device is made up of servomotor four, ball-screw four, ball-screw nut two, booster block, dust ring, sealing ring, pressure sensor and hydraulic cylinder; With oil pipe connection pressurized cylinder hydraulic cylinder port and locked mode hydraulic cylinder entrance.
2. a kind of ultrahigh speed water circulation supercharging two-plate injection machine according to claim 1, is characterized in that: the water of specially treated is made up of deionized water, antirust agent, fullerene and water soluble polymer resin.
3. a kind of ultrahigh speed water circulation supercharging two-plate injection machine according to claim 2, is characterized in that: fullerene is substituted by siloxane molecule.
4. a kind of ultrahigh speed water circulation supercharging two-plate injection machine according to claim 2, is characterized in that: water soluble polymer resin is polyvinyl alcohol, polyacrylamide or polyethers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405323.XA CN102873814B (en) | 2012-10-23 | 2012-10-23 | Ultrahigh-pressure water circulation quick pressurizing two-plate type injection molding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210405323.XA CN102873814B (en) | 2012-10-23 | 2012-10-23 | Ultrahigh-pressure water circulation quick pressurizing two-plate type injection molding machine |
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| CN102873814A CN102873814A (en) | 2013-01-16 |
| CN102873814B true CN102873814B (en) | 2014-06-18 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103182769A (en) * | 2013-03-24 | 2013-07-03 | 北京化工大学 | All-electric superspeed injection machine |
| CN104552840B (en) * | 2014-12-30 | 2017-04-05 | 北京理工大学 | One kind etc. is accommodating to change internal recycling vertical pressing formula clamping apparatus |
| US10525623B2 (en) | 2015-05-11 | 2020-01-07 | U-Mhi Platech Co., Ltd. | Mold opening/closing device |
| CN109955423B (en) * | 2019-04-30 | 2024-04-02 | 广东奔迪新材料科技有限公司 | Large-scale ultrahigh-pressure thermoplastic polymer foaming molding device and method |
| CN112936797B (en) * | 2021-01-25 | 2022-07-19 | 浙江衣瑞电器有限公司 | Injection molding machine penetrates gluey structure pressurize pressure boost and prevents class equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243735A1 (en) * | 1991-12-26 | 1993-07-01 | Nissei Plastics Ind Co | Hydraulic system for closing mould and maintaining it in closed position - has cylinders and a piston between two pressure chambers plus control valves and outlet line |
| CN2363866Y (en) * | 1999-03-26 | 2000-02-16 | 东华机械有限公司 | Two-plate type mould locking mechanism |
| CN2880459Y (en) * | 2005-10-18 | 2007-03-21 | 广州博创机械有限公司 | High-speed high-precision hydraulic mould locking device |
| CN202846803U (en) * | 2012-10-23 | 2013-04-03 | 北京化工大学 | Ultrahigh pressure water cycle rapid pressurization two-plate injection molding machine |
-
2012
- 2012-10-23 CN CN201210405323.XA patent/CN102873814B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243735A1 (en) * | 1991-12-26 | 1993-07-01 | Nissei Plastics Ind Co | Hydraulic system for closing mould and maintaining it in closed position - has cylinders and a piston between two pressure chambers plus control valves and outlet line |
| CN2363866Y (en) * | 1999-03-26 | 2000-02-16 | 东华机械有限公司 | Two-plate type mould locking mechanism |
| CN2880459Y (en) * | 2005-10-18 | 2007-03-21 | 广州博创机械有限公司 | High-speed high-precision hydraulic mould locking device |
| CN202846803U (en) * | 2012-10-23 | 2013-04-03 | 北京化工大学 | Ultrahigh pressure water cycle rapid pressurization two-plate injection molding machine |
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Granted publication date: 20140618 |