CN203381097U - All-electric ejection type ultra-high-speed injection molding machine - Google Patents
All-electric ejection type ultra-high-speed injection molding machine Download PDFInfo
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- CN203381097U CN203381097U CN201320135895.0U CN201320135895U CN203381097U CN 203381097 U CN203381097 U CN 203381097U CN 201320135895 U CN201320135895 U CN 201320135895U CN 203381097 U CN203381097 U CN 203381097U
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Abstract
The utility model discloses an all-electric ejection type ultra-high-speed injection molding machine which is mainly composed of a mold closing device, an injection device and a rack, wherein the injection device is composed of a nozzle, a cylinder, a heating ring, a threaded rod, a loading hopper, a hopper seat, a moving device, a pull rod, a plasticizing device, an injection seat, an ejection device and an ejection seat; the nozzle, the cylinder, the threaded rod, the hopper seat and the plasticizing device are sequentially connected with the injection seat in an axial alignment mode; the ejection device is composed of an electromagnetic ejector and an ejection slider, the tail end of the ejection device is fixedly arranged on the ejection seat, and the ejection device can relatively move on an ejection stage along with the injection device; the ejection slider slides on the electromagnetic ejector, and one end of the ejection slider is connected with the injection seat; during injection, the ejection slider is driven by the electromagnetic ejector to move forward, the injection seat is driven to move forward, and finally the threaded rod is driven to inject forward. The all-electric ejection type ultra-high-speed injection molding machine has the advantages of high responsiveness, energy saving, environmental friendliness and the like and solves the problems of large energy consumption, difficulty in acceleration of a hydraulic type ultra-high-speed injection molding machine, the mechanical structure is simple, and the assembly difficulty is reduced.
Description
Technical field
The utility model relates to a kind of injection moulding machine, belongs to the polymer material molding mechanical field.
Background technology
Injection moulding is a kind of important means of plastic shaping, not only can produce baroque goods, and precision is high, beautiful design, production efficiency are high, and the market demand is wide.In recent years, along with the raising of processing of high molecular material forming technique, high accuracy, super-thin plastic goods have been widely used in the fields such as 3C Product, medicine equipment, automobile, optics.The forming requirements of ultralight for meeting, ultra-thin, ultraprecise plastic products, the all-electric injection molding apparatus that exploitation has superelevation injection speed and a higher injection pressure has become the focus of molding machine industry.
In general, injection speed reaches 800mm/s or above injection mo(u)lding is called the ultrahigh speed injection.The ultrahigh speed injection molding apparatus be take its powerful driving-energy provides the injection speed of superelevation and higher injection pressure as melt.Because the ultrahigh speed injection mo(u)lding has unique shaping characteristic such as high speed and high pressure, make melt fluid ability in die cavity improve, thereby it is thin and cause the too fast cooling filling difficulty caused to overcome wall.The ultrahigh speed injection has proposed the harsh requirements such as high response speed and control accuracy to injection molding apparatus, injection device need to possess driving-energy and the control accuracy that realizes the screw rod speed-raising at the utmost point in the short time.
The moulding purpose of ultralight for realizing, ultra-thin, ultraprecise plastic products, people have just made corresponding effort on injection mechanism.At first, in view of the restriction of technology at that time, the ultrahigh speed injection realizes by hydraulic energy-accumulating.Hydraulic pressure ultrahigh speed injection machine need to be equipped with jumbo external accumulator and large displacement hydraulic pump, and the energy discharged by accumulator is realized the ultrahigh speed injection.But hydraulic pressure ultrahigh speed injection machine has the shortcomings such as energy consumption is large, volume is large, response speed is low, restricts its development.Along with the rise of electric injection molding machine, Japanese Fanuc company has released the all-electric ultrahigh speed injection machine that relies on the injection of linear electric motors drive screw.After this, all-electric ultrahigh speed injection machine drives and realizes ultrahigh speed injection by heavy-duty motor, and injection speed can be up to 2000mm/s, have control accuracy high, respond the advantages such as rapid, but it has proposed harsh requirement to injecting motor and ball-screw.
Patent 200910093523.4 discloses a kind of ultrahigh speed injection device.This device adopts and be equipped with the speedup spring in injection cylinder, utilizes spiro rod plasticizing to retreat spring-compressed, when to be injected, and the injection cylinder oil-feed, spring discharges, and with the elastic potential energy fluid,matching pressing system of spring, lead-screw is injected forward.By this device, saved external accumulator, simplified equipment mechanism, reduce the requirement of servomotor and ball-screw, and reduced cost.
Engel company has proposed melt expansion injection (X-MELT) technology, and by injecting front precommpression polymer melt, the expansion by the compression melt when injection completes the ultrahigh speed injection.But this ultrahigh speed injection technique, need to be equipped with a whole set of control appliance, needs in addition to equip the controlled needle-valve of high pressure, relates to the technical problem of front-end control, technical difficulty is large.
The Japanology personnel have proposed weight drop formula ultrahigh speed injection molding forming method.Utilize the gravitional force of weight drop to change into the driving-energy of injection, realize the ultrahigh speed injection.Fall to clashing into injection ram by weight, can realize at short notice the injection device speed-raising, but the wear problem of device is difficult to solve.
Nissei Plastic Industrial Co., Ltd has developed NEX110-6EH ultrahigh speed high-pressure injection moulding machine recently.It is by two low inertia servomotors of equipment.Connect common drive screw injection by Timing Belt, reduced the harsh requirement to ball-screw and servomotor, injection speed can reach 1000mm/s, and injection pressure can reach 295MPa, is applicable to the thin-wall precise products such as shaping thin light guide panel, thin-walled media card.But the synchronism of Dual-motors Driving is difficult to guarantee, becomes the technical bottleneck of Dual-motors Driving ultrahigh speed injection machine.
The utility model content
A kind of all-electric ejection type super speed injection molding machine of the present utility model is realized the ultrahigh speed injection by electromagnetic launch.The purpose of this utility model is to solve technical barrier and the defect that existing ultrahigh speed injection machine exists, and the all-electric ultrahigh speed injection machine of a kind of high response, high control precision, high performance-price ratio is provided for this reason.
For achieving the above object, the utility model by the following technical solutions: a kind of all-electric ejection type super speed injection molding machine mainly is comprised of mold closing mechanism, injection device and frame.Mold closing mechanism and injection device are positioned on frame, and mold closing mechanism is identical with conventional electric injection molding machine with frame; Injection device is by nozzle, machine barrel, heating collar, screw rod, loading hopper, hopper, mobile device, pull bar, plasticizing apparatus, injection seat, catapult-launching gear, ejector-seat and penetrate platform and form; Nozzle, machine barrel, screw rod, hopper, plasticizing apparatus are connected with injection seat axial alignment successively; Penetrate platform and be fixed on frame, injection device is arranged on to be penetrated on platform, and can do the motion of phase correlation platform under the control of mobile device, and loading hopper is arranged on hopper, and screw rod is positioned at machine barrel, and heating collar is wrapped in outside machine barrel; Hopper, injection seat and ejector-seat are connected and fixed by four pull bar symmetries; Plasticizing apparatus is comprised of plasticizing motor, plasticizing tooth form synchronous belt and belt wheel, and the plasticizing motor is fixed on injection seat, and screw rod tail is fixedly connected with the plasticizing belt wheel, and while realizing plasticizing, screw rod rotatablely moves; Catapult-launching gear is by Electromagnetical ejector and launch slide block and form, the catapult-launching gear end is fixed on ejector-seat, can penetrate relative motion on platform with injection device, launch slide block slides on Electromagnetical ejector, launch slide block one end and be connected with injection seat, in when injection, by Electromagnetical ejector, drive and launch slide block and travel forward, thereby drive injection seat to move forward, final drive screw is injected forward.
A kind of all-electric ejection type super speed injection molding machine injection device of the utility model is the injection of electromagnetic launch formula, replaces the all-electric injection device of traditional motor driven ball screws.Using electromagnetic force as the power of injecting, because the driving-energy of Electromagnetical ejector is enough large, thereby easily realize the ultrahigh speed injection.
A kind of all-electric ejection type super speed injection molding machine injection device of the utility model is injected forward by the catapult-launching gear drive screw.Utilize the magnetic field that in Electromagnetical ejector, hot-wire coil produces to accelerate to launching slide block, thereby realize the conversion of screw drive power.During injection, give the coil electricity in Electromagnetical ejector, thereby launch the effect Electromagnetical ejector slip relatively that slide block is subject to electromagnetic force.Thus, launch the slipper push injection seat and advance, thereby make screw rod complete action of injection, its terminating point can be controlled by travel switch or displacement transducer.
A kind of all-electric ejection type super speed injection molding machine injection device of the utility model requires to launch the effect axis of slide block and injection seat and the dead in line of screw rod, stress balance while guaranteeing high speed injection.In addition, require injection device that enough rigidity is arranged, guarantee to launch slide block and can linearly slide when injection, during injection, injection seat is mobile smooth-going between pull bar, and the resistance of motion is little.
A kind of all-electric ejection type super speed injection molding machine of the utility model compared with prior art, has been avoided the synchronism problem of the compound driving of bi-motor, also again without injecting motor being proposed to harsh requirement.In addition, by the electromagnetic launch injection device, not only make it there is the advantages such as high responsiveness, energy-conserving and environment-protective, and solved the difficult problems such as the energy consumption of fluid pressure type ultrahigh speed injection machine is large, speed-raising is difficult, also solved the melt technical barriers such as the controlled needle-valve of injection (X-MELT) front end high that expand.And the electromagnetic launch injection device makes the mechanical mechanism of all-electric injection device become simply, assembly difficulty reduces.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of all-electric ejection type super speed injection molding machine of the utility model.
Fig. 2 is the injection device schematic diagram of a kind of all-electric ejection type super speed injection molding machine of the utility model.
Fig. 3 is the enlarged diagram that launches part of a kind of all-electric ejection type super speed injection molding machine injection device of the utility model shown in Fig. 2.
In figure: 1-mold closing mechanism, 2-injection device, 3-frame, 4-nozzle, the 5-machine barrel, 6-heating collar, 7-screw rod, 8-mobile device, the 9-hopper, 10-loading hopper, 11-plasticizing apparatus, 12-plasticizing tooth form synchronous belt and belt wheel, 13-plastifies motor, 14-injection seat, 15-launches slide block, 16-catapult-launching gear, 17-Electromagnetical ejector, the 18-pull bar, the 19-ejector-seat, 20-penetrates platform
The specific embodiment
As shown in Figure 1, a kind of all-electric ejection type super speed injection molding machine of the utility model, mainly mold closing mechanism 1, injection device 2 and frame 3, consist of, mold closing mechanism 1 and injection device 2 are positioned on frame 3, and its mold closing mechanism is identical with conventional electric injection molding machine with frame.
As shown in Figure 2, injection device 2 is by nozzle 4, machine barrel 5, heating collar 6, screw rod 7, loading hopper 10, hopper 9, mobile device 8, pull bar 18, plasticizing apparatus 11, injection seat 14, catapult-launching gear 16, ejector-seat 19 with penetrate platform 20 and form; Nozzle 4, machine barrel 5, screw rod 7, hopper 9, plasticizing apparatus 11 are connected with injection seat 14 axial alignment successively; Penetrate platform 20 and be fixed on frame 3, injection device 2 is arranged on to be penetrated on platform 20, and can do 20 motions of phase correlation platform under the control of mobile device 8, and loading hopper 10 is arranged on hopper 9, and screw rod 7 is positioned at machine barrel 5, and heating collar 6 is wrapped in outside machine barrel 5; Hopper 9, injection seat 14 and ejector-seat 19 are connected and fixed by four pull bar 18 symmetries; Plasticizing apparatus 11 is comprised of plasticizing motor 13, plasticizing tooth form synchronous belt and belt wheel 12, and plasticizing motor 13 is fixed on injection seat 14, and screw rod 7 afterbodys are fixedly connected with plasticizing belt wheel 12, and while realizing plasticizing, screw rod 7 rotatablely moves; Catapult-launching gear 16 is by Electromagnetical ejector 17 and launch slide block 15 and form, catapult-launching gear 16 ends are fixed on ejector-seat 19, can penetrate relative motion on platform 20 with injection device 2, launch slide block 15 slides on Electromagnetical ejector 17, launch slide block 15 1 ends and be connected with injection seat 14, when injection, launch slide block 15 by Electromagnetical ejector 17 drivings and travel forward, thereby drive injection seat 14 to move forward, finally order about screw rod 7 and inject forward.
As shown in Fig. 3, catapult-launching gear 16 is arranged in injection seat 14 and ejector-seat 19, and injection seat 14 and ejector-seat 19 are connected and fixed by four pull bars 18.Launch slide block 15 and be connected and fixed with injection seat 14, launch slide block 15 and can slide front and back on Electromagnetical ejector 17, can drive thus injection seat 14 front and back on pull bar 18 mobile.Launching slide block 15 can be free to slide according to injection molding requirement on the track of Electromagnetical ejector 17.
A kind of all-electric ejection type super speed injection molding machine of the utility model, injection device 2 requires to launch slide block 15 and the effect axis of injection seat 14 and the dead in line of screw rod 7, stress balance while guaranteeing high speed injection.In addition, require injection device 2 that enough rigidity is arranged, guarantee to launch slide block 15 and can linearly slide when injection, during injection, injection seat 14 is smooth-going in 18 movements of pull bar, and the resistance of motion is little.
In the preformed stage of cycle period, plasticizing motor 13 starts, and drives screw rod 7 rotation plasticizings, now, control system for shot machine is controlled Electromagnetical ejector 17 according to pressure signal and oppositely switch on, and drive is launched slide block 15 and retreated, and the drive screw 7 that retreats by injection seat 14 retreats.After plasticizing finishes, control system for shot machine sends injection signal, Electromagnetical ejector 17 forwards energisings, by launch slide block 15 transmission of power to injection seat 14, drive injection seat 14 to move forward, make screw rod 7 promotion melts enter at a high speed die cavity and realize ultrahigh speed injection moulding.
Claims (2)
1. an all-electric ejection type super speed injection molding machine, mainly by mold closing mechanism, injection device and frame, formed, mold closing mechanism and injection device are positioned on frame, mold closing mechanism is identical with conventional electric injection molding machine with frame, it is characterized in that: injection device is comprised of nozzle, machine barrel, heating collar, screw rod, loading hopper, hopper, mobile device, pull bar, plasticizing apparatus, injection seat, catapult-launching gear, ejector-seat; Nozzle, machine barrel, screw rod, hopper, plasticizing apparatus are connected with injection seat axial alignment successively; Penetrate platform and be fixed on frame, injection device is arranged on to be penetrated on platform, and can do the motion of phase correlation platform under the control of mobile device, and loading hopper is arranged on hopper, and screw rod is positioned at machine barrel, and heating collar is wrapped in outside machine barrel; Hopper, injection seat and ejector-seat are connected and fixed by four pull bar symmetries; Plasticizing apparatus is comprised of plasticizing motor, plasticizing tooth form synchronous belt and belt wheel, and the plasticizing motor is fixed on injection seat, and screw rod tail is fixedly connected with the plasticizing belt wheel, and while realizing plasticizing, screw rod rotatablely moves; Catapult-launching gear is by Electromagnetical ejector and launch slide block and form, and the catapult-launching gear end is fixed on ejector-seat, can penetrate relative motion on platform with injection device, launches slide block and slides on Electromagnetical ejector, launches slide block one end and is connected with injection seat.
2. a kind of all-electric ejection type super speed injection molding machine according to claim 1, is characterized in that: launch the effect axis of slide block and injection seat and the dead in line of screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320135895.0U CN203381097U (en) | 2013-03-24 | 2013-03-24 | All-electric ejection type ultra-high-speed injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320135895.0U CN203381097U (en) | 2013-03-24 | 2013-03-24 | All-electric ejection type ultra-high-speed injection molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN203381097U true CN203381097U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320135895.0U Withdrawn - After Issue CN203381097U (en) | 2013-03-24 | 2013-03-24 | All-electric ejection type ultra-high-speed injection molding machine |
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| CN (1) | CN203381097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192486A (en) * | 2013-03-24 | 2013-07-10 | 北京化工大学 | All-electric ejecting-type super-speed injection molding machine |
| CN107379407A (en) * | 2017-08-03 | 2017-11-24 | 宁波三顺机械设备科技有限公司 | Material treatment mechanism for injection machine |
-
2013
- 2013-03-24 CN CN201320135895.0U patent/CN203381097U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192486A (en) * | 2013-03-24 | 2013-07-10 | 北京化工大学 | All-electric ejecting-type super-speed injection molding machine |
| CN103192486B (en) * | 2013-03-24 | 2014-12-03 | 北京化工大学 | All-electric ejecting-type super-speed injection molding machine |
| CN107379407A (en) * | 2017-08-03 | 2017-11-24 | 宁波三顺机械设备科技有限公司 | Material treatment mechanism for injection machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140108 Effective date of abandoning: 20141203 |
|
| RGAV | Abandon patent right to avoid regrant |