CN202846803U - Ultrahigh pressure water cycle rapid pressurization two-plate injection molding machine - Google Patents
Ultrahigh pressure water cycle rapid pressurization two-plate injection molding machine Download PDFInfo
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- CN202846803U CN202846803U CN 201220542597 CN201220542597U CN202846803U CN 202846803 U CN202846803 U CN 202846803U CN 201220542597 CN201220542597 CN 201220542597 CN 201220542597 U CN201220542597 U CN 201220542597U CN 202846803 U CN202846803 U CN 202846803U
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Abstract
The utility model discloses an ultrahigh pressure water cycle rapid pressurization two-plate injection molding machine, which mainly comprises a screw, a machine barrel, a nozzle, a heating coil, a screw rotation driving system, a screw injection driving system, an injection seat movement driving system, a fixed template, a movable template, a movable template movement driving system, a pull rod, an inner cycle mode-locking hydraulic cylinder and a rapid pressurizing device, wherein the rapid pressurizing device consists of a servo motor IV, a ball screw IV, a ball screw nut II, a pressurization block, a dustproof ring, a sealing ring, a pressure sensor and a hydraulic cylinder. The motion part is driven by the servo motor and the ball screw, and the part can be rapidly moved and accurately controlled. The mode-locking pressure is established through the rapid pressurizing device, the pressure can be rapidly established, the mode-locking pressure can be accurately controlled through the sensor, and the mode-locking pressure can be controlled through length of the pressurization block which stretches into the hydraulic cylinder. The two-plate die assembly device is small in space; and the specially treated water is a pressure transfer medium, the production cost is low, and the production is clean.
Description
Technical field
The utility model relates to a kind of injection machine, belongs to processing of high molecular material forming machine field.
Background technology
Compare 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, and 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.During design, also need to consider the interference problem of ball-screw and elbow-bar mechanism, this has limited greatly opens mould-closing stroke.And when locked mode, the locked mode ball-screw need to bear very large locked mode pressure, under the long-term work condition, easily causes 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, large such as the hydraulic oil compressibility, can make volume-variation large, cause moving unstable, inhomogeneous and produce and clash into, destroy 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.The hydraulic pressure transmission has fairly obvious characteristics: cleaning, and free from environmental pollution and goods, it is cheap to buy use cost.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.
The utility model content
The purpose of this utility model is to provide a kind of high-pressure water circulation Quick-pressurizing two-plate injection machine, to overcome these shortcomings above-mentioned, realizes energy-conservation, cleaning, quick, efficient, accurate that injection moulding is produced.
In order to realize above purpose, the utility model is by the following technical solutions: a kind of ultrahigh speed water circulation supercharging two-plate injection machine, 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 is realized the rotation of screw rod by the transmission of gear two, Timing Belt one, gear one.Screw of injection is realized that by servomotor two servomotor two is by the transmission of gear three, Timing Belt two, gear four, so that ball-screw one rotates, realizes moving forward and backward of screw rod by ball-screw one, thereby realizes screw of injection.Screw rod and ball-screw one are installed on the guide rail by preformed bearing block and injection shaft bearing, and guide rails assembling is on frame.The folding mould of moving platen is driven by servomotor three.Servomotor three drives ball-screw nut one by gear six and gear five and rotates, and realizes the movement of moving platen by ball-screw three.The implementation of injection seat integrated moving is identical with the implementation that moving platen moves, and realizes the injection seat integrated moving with ball-screw two.Mold closing mechanism adopts the two-plate clamping, and it is comprised 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 circulation locked mode hydraulic cylinder realized that the foundation of locked mode pressure realizes by Quick pressurizing device in locked mode adopted.Quick pressurizing device is comprised of servomotor four, ball-screw four, ball-screw nut two, booster block, dust ring, sealing ring, pressure sensor and hydraulic cylinder.During work, connect pressurized cylinder hydraulic cylinder port and locked mode hydraulic cylinder entrance with oil pipe.When needing the locked mode supercharging, start servomotor four, by the transmission of ball-screw four and ball-screw nut two, so that booster block stretches in the hydraulic cylinder, the volume in the hydraulic cylinder reduces, so that the fluid pressure in the hydraulic cylinder raises, when pressure sensor reaches the locked mode pressure of setting, so that servomotor four stalls keep the high pressure in the hydraulic cylinder, liquid high pressure is delivered in the locked mode hydraulic cylinder high pressure chest by the pressurized cylinder hydraulic cylinder port, realizes locked mode.When the locked mode stage finishes, ball-screw four counter-rotatings, so that booster block withdraws from hydraulic cylinder, so that the volume in the hydraulic cylinder increases, fluid pressure reduces in the cylinder, when the pressure that records when pressure sensor is lower than certain pressure, so that servomotor four stalls.
A kind of high-pressure water circulation of the utility model 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 comprised of 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, and the water soluble polymer resins such as PVA or polyacrylamide, polyethers can be prevented the sealing leakage and improve the control response characteristic.Hydraulic cylinder and inner-walls of duct are all processed with hydrophobic surface passivator.
A kind of high-pressure water circulation of the utility model Quick-pressurizing two-plate injection machine, its moving platen move 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 utility model Quick-pressurizing two-plate injection machine, the integrated moving of its screw rod rotation and injection and injection seat adopt servomotor, ball-screw to drive.
By above technical scheme as can be known, the utility model compared with prior art has following advantage:
1. moving component adopts servomotor, ball-screw to drive, and can realize the fast moving of parts and accurately control.
2. the two-plate mold closing mechanism is saved steel, and complete machine length is short, has reduced the occupation of land space.
3. Quick pressurizing device is adopted in the foundation of locked mode pressure, can realize that fast run-up presses, and locked mode pressure can accurately control by sensor, and the large I of locked mode pressure is controlled by the length that booster block stretches into hydraulic cylinder.
4. the water that adopts specially treated can reduce production costs, and can realize cleaner production as pressure transmission medium.
Description of drawings
Fig. 1 is the structural representation of a kind of high-pressure water circulation of the utility model 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 utility model Quick-pressurizing two-plate injection machine adopts.
Among the 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, the 13-frame, 14-preformed bearing block, 15-ball-screw two, the 16-moving platen, 17-ball-screw three, 18-solid plate, 19-ball-screw nut one, 20-gear five, 21-gear six, 22-servomotor three, circulation locked mode hydraulic cylinder in the 23-locked mode hydraulic cylinder entrance, 24-, the 25-pull bar, 26-servomotor four, 27-ball-screw four, 28-ball-screw nut two, 29-booster block, 30-dust ring, the 31-sealing ring, the 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 is realized the rotation of screw rod 1 by the transmission of gear 24, Timing Belt 1, gear 1.Screw rod 1 injection is realized that by servomotor 26 servomotor 26 is by the transmission of gear 37, Timing Belt 28, gear 49, so that ball-screw 1 rotates, realizes moving forward and backward of screw rod 1 by ball-screw 1, thereby realizes screw rod 1 injection.Screw rod 1 is installed on the guide rail 12 by preformed bearing block 14 and injection shaft bearing 11 with ball-screw 1, and guide rail 12 is installed on the frame 13.
The folding mould of moving platen 16 is driven by servomotor 3 22.Servomotor 3 22 drives ball-screw nut 1 by gear 6 21 and gear 5 20 and rotates, and 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 the injection seat integrated moving with ball-screw 2 15.
Mold closing mechanism adopts the two-plate clamping, and it is comprised of solid plate 18, moving platen 16, pull bar 25 and interior circulation locked mode hydraulic cylinder 24.Circulation locked mode hydraulic cylinder 24 realized that the foundation of locked mode pressure realizes by Quick pressurizing device in locked mode adopted.Quick pressurizing device is comprised 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 as shown in Figure 2.During work, connect pressurized cylinder hydraulic cylinder port 34 and locked mode hydraulic cylinder entrance 23 with oil pipe.When needing the locked mode supercharging, start servomotor 4 26, by the transmission of ball-screw 4 27 and ball-screw nut 2 28, so that booster block 29 stretches in the hydraulic cylinder 33, the volume in the hydraulic cylinder 33 reduces, so that the fluid pressure in the hydraulic cylinder 33 raises, when pressure sensor 32 reaches the locked mode pressure of setting, so that servomotor 4 26 stalls keep the high pressure in the hydraulic cylinder 33, liquid high pressure is delivered in the locked mode hydraulic cylinder high pressure chest by pressurized cylinder hydraulic cylinder port 34, realizes locked mode.The locked mode stage, ball-screw 4 27 counter-rotatings were so that booster block 29 withdraws from hydraulic cylinder 33 when finishing, so that the volume in the hydraulic cylinder 33 increases, fluid pressure reduces in the cylinder, when the pressure that records when pressure sensor 32 is lower than certain pressure, so that servomotor 4 26 stalls.
Claims (1)
1. 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 is realized the rotation of screw rod by the transmission of gear two, Timing Belt one, gear one; Screw of injection is realized that by servomotor two servomotor two is by the transmission of gear three, Timing Belt two, gear four, so that ball-screw one rotates, realizes moving forward and backward of screw rod by ball-screw one, thereby realizes screw of injection; Screw rod and ball-screw one are installed on the guide rail by preformed bearing block and injection shaft bearing, and guide rails assembling is on frame; The folding mould of moving platen is driven by servomotor three, and servomotor three drives ball-screw nut one by gear six and gear five and rotates, and realizes the movement of moving platen by ball-screw three; The implementation of injection seat integrated moving is identical with the implementation that moving platen moves, and realizes the injection seat integrated moving with ball-screw two; Mold closing mechanism adopts the two-plate clamping, it is comprised 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, circulation locked mode hydraulic cylinder was realized in locked mode adopted, and the foundation of locked mode pressure realizes by Quick pressurizing device; Quick pressurizing device is comprised of servomotor four, ball-screw four, ball-screw nut two, booster block, dust ring, sealing ring, pressure sensor and hydraulic cylinder; Connect pressurized cylinder hydraulic cylinder port and locked mode hydraulic cylinder entrance with oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542597 CN202846803U (en) | 2012-10-23 | 2012-10-23 | Ultrahigh pressure water cycle rapid pressurization two-plate injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542597 CN202846803U (en) | 2012-10-23 | 2012-10-23 | Ultrahigh pressure water cycle rapid pressurization two-plate injection molding machine |
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| CN202846803U true CN202846803U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220542597 Withdrawn - After Issue CN202846803U (en) | 2012-10-23 | 2012-10-23 | Ultrahigh pressure water cycle rapid pressurization two-plate injection molding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873814A (en) * | 2012-10-23 | 2013-01-16 | 北京化工大学 | Ultrahigh-pressure water circulation quick pressurizing two-plate type injection molding machine |
-
2012
- 2012-10-23 CN CN 201220542597 patent/CN202846803U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873814A (en) * | 2012-10-23 | 2013-01-16 | 北京化工大学 | Ultrahigh-pressure water circulation quick pressurizing two-plate type injection molding machine |
| CN102873814B (en) * | 2012-10-23 | 2014-06-18 | 北京化工大学 | Ultrahigh-pressure water circulation quick pressurizing two-plate type injection molding machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20140618 |
|
| RGAV | Abandon patent right to avoid regrant |