CN201264347Y - Low inertia injection feeder - Google Patents

Low inertia injection feeder Download PDF

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Publication number
CN201264347Y
CN201264347Y CNU2008201300728U CN200820130072U CN201264347Y CN 201264347 Y CN201264347 Y CN 201264347Y CN U2008201300728 U CNU2008201300728 U CN U2008201300728U CN 200820130072 U CN200820130072 U CN 200820130072U CN 201264347 Y CN201264347 Y CN 201264347Y
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China
Prior art keywords
screw rod
feeding device
low inertia
metering
injecting
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Expired - Lifetime
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CNU2008201300728U
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Chinese (zh)
Inventor
胡永进
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MULTIPLAS ENGINERY CO Ltd
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MULTIPLAS ENGINERY CO Ltd
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Priority to CNU2008201300728U priority Critical patent/CN201264347Y/en
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Abstract

The utility model relates to a low-inertia injecting and feeding device, which consists of a fixed component, two guiding screw rods, an injecting movable plate, a screw rod, a reciprocating driving component and a measuring driving component. When the reciprocating driving component runs, the two guiding screw rods are driven to rotate synchronically, so that the injecting movable plate that is connected with the two guiding screw rods by thread makes straight-line reciprocating movement between a front fixed plate and a rear fixed plate of the fixed component. The screw rod is arranged on the front end of the injecting movable plate, and the screw rod can makes relative movement inside a material pipe that extends in the axial direction of a front fixed seat along with the movement of the injecting movable plate. When the measuring driving component runs, a driven rod on the rear end of the screw rod, a transmission shaft inside the injecting movable plate and the screw rod rotate synchronically. The injecting movable plate can reduce the inertia that is produced during the movement, so that the injecting speed is free from fluctuation when the variation difference at each section is large; moreover, the acceleration control effect and the deceleration control effect are good, thereby can obtain the precise positioning.

Description

Low inertia penetrates feeding device
Technical field
The utility model relates to a kind of ejaculation feeding device, refers to that especially a kind of low inertia penetrates feeding device, and it advances screw rod in low inertia mode, and the plastics of fusion are injected in the mould.
Background technology
Injection molding manufacture procedure is widely used in the plastic processing industry, injection molding manufacture procedure mainly can reduce three stages: Guan Mo, penetrate reinforced, and be cooled to the product demoulding, it is the most important wherein to penetrate reinforced processing procedure, in the Jet forming machine of prior art, penetrate feeding device and mainly can be divided into three major types: plunger type, preformed formula and reciprocating screw formula, wherein common with reciprocal screw again, the ejaculation feeding device of the reciprocating screw formula of prior art is to utilize oil pressure, electrical motor driven one screw rod rotates, so that the plastics of the fusion that added are advanced, utilize oil hydraulic system to push screw rod to nozzle again, screw rod so that being injected mould, plastics gives moulding, so must have the corresponding structure of rotation and straight reciprocating motion simultaneously.Yet traditional reciprocating screw formula penetrates feeding device and has following shortcoming:
(1) on the traditional structural design, force oil hydraulic system when the lead-screw straight reciprocating motion, need to promote to penetrate feeding device integral body simultaneously and carry out rectilinear motion, so that oil hydraulic system need expend sizable power, can promote to penetrate feeding device integral body and carry out rectilinear motion, except that wasting energy, and increase cost of manufacture; And
(2) locating effect of oil hydraulic system is not good, and comparatively power consumption.
Therefore, just develop in the prior art and the ejaculation feeding device that a kind of all electric drives, for example rotation of the Jet forming machine screw rod of No. the 367938th, TaiWan, China patent announcement and ejecting device patent case, this case is by the ejaculation electro-motor rotation driving screw that is fixed on the dynamic pressure plate, so that driving screw rotates with respect to the rear fixed plate upper cap nut, and dynamic pressure plate can be moved around on slide bar; And by being fixed on the metering motor on the dynamic pressure plate, to control the rotating speed of screw rod accurately.
Because this case is that ejaculation electro-motor and metering motor together are located at dynamic pressure plate, so that when dynamic pressure plate moves back and forth along with the rotation of driving screw, can form bigger inertia, make issuing velocity when each section variation difference is big, can produce vibrations, and be difficult to obtain more accurate location, and the not good puzzlement of acceleration, deceleration control, and the improvement of demanding relevant dealer urgently.
The utility model content
In view of this, the utility model applicant this in the experience of being engaged in Jet forming machine design and production and marketing for many years, concentrate on studies, phase can overcome the ejaculation feeding device of aforementioned Jet forming machine and together be located at dynamic pressure plate because of penetrating electro-motor with the metering motor, so that can produce the shortcoming of big inertia, through experiment and test repeatedly, and then develop low inertia of the present utility model and penetrate feeding device.
The utility model main purpose is to provide a kind of vibrations that issuing velocity is produced that reduce when each section variation difference is big, acceleration, deceleration control effect is good, and has the low inertia ejaculation feeding device that low inertia moves back and forth the location.
The utility model secondary objective is to provide a kind of can significantly reduce moving assembly, and the low inertia that for example penetrates moving slab integral weight penetrates feeding device.
For reaching aforesaid purpose, the technological means that the utility model adopted provides a kind of low inertia and penetrates feeding device, and it comprises:
One fixed component, form by a front shoe and a rear fixed plate relative spacing setting, this front shoe one side shaft is to tipping one material pipe, its front end is provided with a nozzle, and a feeding mouth that communicates with the material pipe is offered in this front shoe top, and this rear fixed plate then supplies running through of a follower lever and two driving screws and stretches out;
Two driving screws are hubbed between this forward and backward fixed head, and its rear end is run through and stretched out rear fixed plate, so that driven by a reciprocal driven unit, and rotation synchronously;
One penetrates moving plate, and corresponding each the driving screw position of its periphery is provided with bolt apertures relatively, so that be spirally connected with it, the moving intralamellar part of this ejaculation is axially arranged with a power transmission shaft, its front end socket one screw rod, the rear end then connects a follower lever, and this follower lever is driven by a metering driven unit to be rotated; And
One screw rod, its front end sleeve are located in the material pipe, and the rear end then is socketed on power transmission shaft;
Thus, when reciprocal driven unit turns round, drive two driving screws and rotate synchronously, make moving plate of this ejaculation and screw rod respectively at linearly moving back and forth between forward and backward fixed head and in the material pipe; And when the running of metering driven unit, this follower lever, power transmission shaft and screw rod are rotated synchronously.
Via enforcement of the present utility model, the effect that it gained is, the moving plate of ejaculation of the present utility model itself there is no the setting of reciprocal motor, metering motor and relevant transmission mechanism, except that weight reduction significantly, also reduce the inertia that is produced when mobile, make issuing velocity when each section variation difference is big, can not produce vibrations, and acceleration, deceleration control effect is good, and then obtains the excellent of accurate localization
Point really is a ware big good structure not seen before.
Description of drawings
Fig. 1 penetrates the stereogram of feeding device for the low inertia of the utility model.
Fig. 2 penetrates the vertical view of feeding device for the low inertia of the utility model.
Fig. 3 penetrates the front view of feeding device for the low inertia of the utility model.
Profile when Fig. 4 feeds in raw material for the low inertia of the utility model penetrates the feeding device preparation.
Fig. 5 is the local amplification profile of moving plate, screw rod and follower lever of ejaculation shown in Figure 4.
Profile when Fig. 6 is about to penetrate for the low inertia of the utility model penetrates feeding device.
The specific embodiment
For further disclosing concrete technology contents of the present utility model, at first see also graphic, wherein, see also Fig. 1 to Fig. 5, low inertia of the present utility model penetrates feeding device by a fixed component 1, two driving screw 2, one penetrates moving plate 3, one screw rod, 4, one reciprocal driven units 5, and a metering driven unit 6 combines.
Wherein, fixed component 1 is adopted the relative spacing setting by a front shoe 11 and a rear fixed plate 12 and is formed, and then penetrates the installing of moving plate 3 therebetween for driving screw 2 and.These front shoe 11 1 side shafts are to the installing for a material pipe 111, and these material pipe 111 front ends are provided with a nozzle 112, and 4 of the screw rods of then chatting are sheathed in the material pipe 111, so that carry out straight reciprocating motion and rotation.These material pipe 111 outsides have a protecting cover 113, and this protecting cover 113 and 111 of material pipes are provided with an electric heater (prior art is illustrated).These front shoe 11 tops are oblique offer one with material pipe 111 feeding mouths that communicate 114 so that plastics are led in the feeding pipe 111, and be the electric heater heating and melting, be beneficial to penetrate the carrying out of operation, only this all be prior art, do not intend giving unnecessary details at this.
Rear fixed plate 12 is axially for being pivoted of follower levers 41, and running through and stretch out for two driving screws, 2 rear ends.
Two driving screws 2 are hubbed between this forward and backward fixed head 11,12, and wear respectively and be bolted in and penetrate in the bolt apertures 31 that moving plate 3 is oppositely arranged, and the trailing flank of rear fixed plate 2 is run through and stretched out in each driving screw 2 rear end, so that trailing flank is connected with the reciprocal driven pulley 53 of this reciprocal driven unit 5, make that this two driving screw 2 just is being able to, counter-rotating, with impel and the moving plate 3 of the ejaculation that is spirally connected linearly move back and forth.
Penetrating moving plate 3 is located between front shoe 11 and the rear fixed plate 12, its two ends are axially arranged with a bolt apertures 31 as nut respectively, so that respectively with corresponding two driving screws, 2 bolts, when two driving screw 2 rotations synchronously, can drive the moving plate 3 of this ejaculation and linearly move back and forth.Moving plate 3 inside of this ejaculation are axially arranged with a power transmission shaft 32, and its front end socket one screw rod 4 makes the moving plate 3 of this ejaculation be driven screw rod 4 and linearly moves back and forth.
Moreover moving 3 of the plates of this power transmission shaft 32 and ejaculation are provided with at least one taper roller bearing 33, and this power transmission shaft 32 front end sockets one bearing plate 35, and the rear end is by a thrust bearing 34, and socket one loading assembly 36, and this loading assembly 36 is a pressure sensor basically.This bearing plate 35 can be with the transmission of axial compressive force by this taper roller bearing, this thrust bearing 34 is compressed backward, and make this loading assembly 36 change by the pressure that opposing thrust bearing 34 is applied thereto, and this pressure is changed the compliance voltage value that is produced import a control system through amplifier, make control system according to pressure error
Figure Y200820130072D0007142151QIETU
Revise the power output of reciprocal motor 51, correctly controlling the pressure of fusion glue, and reach pressure controlled effect.
In addition, driven screw rod 4 rotation for this power transmission shaft 32 is provided, be with, these power transmission shaft 32 front ends are offered a sleeve joint hole 321, inner wall surface thereof is provided with the ring-type projection, and screw rod 4 rear end outside wall surface are provided with annular ditch groove relatively, and with both sockets engagements.And power transmission shaft 32 rear ends connect a follower lever 41, and it passes through the metering driven pulley 63 that is connected in this metering driven unit 6, and when these metering driven unit 6 rotations, this metering driven pulley 63 promptly drives axial follower lever 41, power transmission shaft 32 and screw rod 4 and rotates synchronously.
Screw rod 4 is a strip screw rod, its front end sleeve is located in the material pipe 111, the rear end then is socketed on power transmission shaft 32, these power transmission shaft 32 rear ends then connect one for measuring the follower lever 41 that driven unit 6 is driven, make this screw rod 4 can be penetrated moving plate 3 and linearly move back and forth, and rotated by the drive of follower lever 41 and power transmission shaft 32 along two driving screws 2.The bearing group of rear fixed plate 12 inside is passed through in these follower lever 41 rear ends, and is able to still have the function of rotation outside linear reciprocation moves, and only this is a prior art, does not intend giving unnecessary details at this.
Especially, 11,12 of this forward and backward fixed heads except two driving screws 2 as connecting, further comprise two guide rods 7 between this two plate body, be with, this two driving screw 2 and two guide rods 7 are arranged at 11,12 of this forward and backward fixed heads with the diagonal angle, precedingly address, and moving plate 3 peripheries of this ejaculation are to being provided with bolt apertures 31 by two driving screws 2, and to offering conjugate foramen 37 in two guide rods, 7 positions, make the moving plate 3 of this ejaculation carry out linear reciprocation reposefully 11,12 of forward and backward fixed heads and move.
Back and forth driven unit 5 has a reciprocal motor 51, advised belt 52 at 2 o'clock and two reciprocal driven pulleys 53 are formed.This reciprocal motor 51 axially stretches out a moving runner 511, its in rear fixed plate 12 trailing flanks and two reciprocal driven pulleys 53 separately socket advise belt 52 for the moment.Be with, when reciprocal motor 51 turns round, make its moving runner 511 according to actual demand just, counter-rotating, and then drive 2 o'clock rule belts 52 and 53 rotations of two reciprocal driven pulleys simultaneously, make that this two driving screw 2 just also is being, counter-rotating, and two bolt apertures 31 of the moving plate 3 of this ejaculation are advanced towards front shoe 11 along two driving screws 2, and perhaps retreat towards rear fixed plate 12, move to form linear reciprocation.
Metering driven unit 6 by a metering motor 61, for the moment advise belt 62 and a metering driven pulley 63 is formed.This metering motor 61 axially stretches out a moving runner 611, and it advises belt 62 for the moment in rear fixed plate 12 leading flanks and a metering driven pulley 63 sockets.Be with, when 61 runnings of metering motor, make its moving runner 611 rotations, and then drive time rule belt 62 simultaneously and metering driven pulley 63 rotates, make the also rotation thereupon of follower lever 41 that is attached thereto, and make the power transmission shaft 32 in the moving plate 3 of this ejaculation drive screw rod 4 rotations, so that carry out the ejaculation operation or the plastics adjunctive program of screw rod 4.
As shown in Figure 4, be that the low inertia ejaculation of the utility model feeding device prepares the profile when feeding in raw material, that is represent the moving plate 3 of this ejaculation to move forward to and penetrate the completing place, the screw rod 4 that makes the socket of the moving plate 3 front ends institute of this ejaculation is in material pipe 111, move and be adjacent to nozzle 112 via straight line, at this moment, there is no enough plastics in this material pipe 111, to carry out the ejaculation operation of next circulation.Therefore, this metering driven unit 6 running makes screw rod 4 rotations so that plastics are imported by feeding mouth 114, and send in the feeding pipe 111, and by electric heater with the plastics heat fused; Insufficient space in material pipe 111, the fusion glue is exerted pressure give screw rod 4, give bearing plate 35 and make thrust bearing 34 exert pressure, make this loading assembly 36 that this pressure is changed the compliance voltage value that is produced and import a control system through amplifier, make control system according to this pressure error value, and make reciprocal driven unit 5 turn round, and two driving screws 2 are rotated, the moving plate 3 of this ejaculation is moved backward, locate up to carrying out ejaculation operation once as shown in Figure 6, at this moment, this metering driven unit 6 shuts down.
As shown in Figure 6, when the low inertia ejaculation of the utility model feeding device penetrates, these reciprocal driven unit 5 runnings, this two driving screw 2 is rotated, and then impel moving plate 3 of this ejaculation and screw rod 4 to move forward, push nozzle 112 to so that will expect pipe 111 inner molten plastics, and then inject mould and moulding.
The utility model discloses, and is a kind of of preferred embodiment, and patent right category of the present utility model is not all taken off in Ju Bu change or modification and come from technological thought of the present utility model and be easy to know by inference by the people who has the knack of this technology such as.

Claims (8)

1. one kind low inertia penetrates feeding device, it is characterized in that, comprising:
One fixed component, form by a front shoe and a rear fixed plate relative spacing setting, this front shoe one side shaft is to tipping one material pipe, its front end is provided with a nozzle, and a feeding mouth that communicates with the material pipe is offered in this front shoe top, and this rear fixed plate then supplies running through of a follower lever and two driving screws and stretches out;
Two driving screws are hubbed between this forward and backward fixed head, and its rear end is run through and stretched out rear fixed plate, so that driven by a reciprocal driven unit, and rotation synchronously;
One penetrates moving plate, and corresponding each the driving screw position of its periphery is provided with bolt apertures relatively, so that be spirally connected with it, the moving intralamellar part of this ejaculation is axially arranged with a power transmission shaft, its front end socket one screw rod, the rear end then connects a follower lever, and this follower lever is driven by a metering driven unit to be rotated; And
One screw rod, its front end sleeve are located in the material pipe, and the rear end then is socketed on power transmission shaft;
When reciprocal driven unit turns round, drive two driving screws and rotate synchronously, make moving plate of this ejaculation and screw rod respectively at linearly moving back and forth between forward and backward fixed head and in the material pipe; And when the running of metering driven unit, this follower lever, power transmission shaft and screw rod are rotated synchronously.
2. low inertia as claimed in claim 1 penetrates feeding device, it is characterized in that, be provided with at least one taper roller bearing between moving plate of this ejaculation and power transmission shaft, and this power transmission shaft front end socket one bearing plate, the rear end is by a thrust bearing, this bearing plate can compress this thrust bearing the transmission of axial compressive force by this taper roller bearing backward.
3. low inertia as claimed in claim 2 penetrates feeding device, it is characterized in that, the loading assembly that further comprises a pressure sensor, it is sheathed on the power transmission shaft rear end, and in abutting connection with this thrust bearing, this loading assembly is changed by the pressure that the opposing thrust bearing is applied thereto, and the compliance voltage value that this pressure variation is produced is imported a control system through amplifier.
4. low inertia as claimed in claim 1 penetrates feeding device, it is characterized in that this power transmission shaft front end is provided with a sleeve joint hole, and inner wall surface thereof is provided with the ring-type projection, and the spiro rod rear end outside wall surface is provided with annular ditch groove relatively, and with both socket engagements.
5. low inertia as claimed in claim 1 penetrates feeding device, it is characterized in that, further comprises two guide rods between this forward and backward fixed head, and the moving plate periphery of this ejaculation is to offering conjugate foramen in two guide rod positions, for the socket of guide rod.
6. low inertia as claimed in claim 1 penetrates feeding device, it is characterized in that, this reciprocal driven unit is made up of a reciprocal motor, 2 o'clock rule belt and two reciprocal driven pulleys, this reciprocal motor drive shaft is to stretching out a moving runner, its in rear fixed plate trailing flank and two reciprocal driven pulleys separately socket advise belt for the moment so that drive this two reciprocal driven pulley rotation simultaneously.
7. low inertia as claimed in claim 1 penetrates feeding device, it is characterized in that, this metering driven unit by a metering motor, for the moment advise belt and a metering driven pulley is formed, this metering motor drive shaft is to stretching out a moving runner, it advises belt for the moment in a rear fixed plate leading flank and a metering driven pulley socket, this metering follower shaft looks like to connect this follower lever, so that drive this follower lever rotation.
8. low inertia as claimed in claim 1 penetrates feeding device, it is characterized in that this material pipe outside has a protecting cover, its with expect to be provided with an electric heater between pipe.
CNU2008201300728U 2008-09-18 2008-09-18 Low inertia injection feeder Expired - Lifetime CN201264347Y (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103568227A (en) * 2013-10-23 2014-02-12 浙江大学 Injection shaft support connecting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103568227A (en) * 2013-10-23 2014-02-12 浙江大学 Injection shaft support connecting device
CN103568227B (en) * 2013-10-23 2016-04-27 浙江大学 A kind of injection shaft support connection device

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Granted publication date: 20090701