CN205767205U - A kind of modified model charging system - Google Patents

Abstract

This utility model provides a kind of modified model charging system, belongs to injection machine technical field.This modified model charging system includes: vacuum hopper, there is the charge door for receiving the raw material that the external world sends here, for drawing off the discharge port of raw material, the lower end of described vacuum hopper is provided with negative pressure cavity and above-mentioned discharge port is the outlet of negative pressure cavity, and described vacuum hopper forms negative pressure by negative pressure cavity and then sucked by raw material and drawn off by charging aperture；Rubber melting cylinder, for injection raw material and be provided with the injection screw for rotating feeding；Feed cylinder, is arranged at below vacuum hopper, and described feed cylinder has the charging aperture for receiving the raw material that discharge port is sent here, for raw material is discharged into the discharging opening of rubber melting cylinder；Feeding spiro rod, in being movably installed in feed cylinder and for rotating feeding, the rotating speed of described feeding spiro rod is arranged by presetting ratio with the rotating speed of injection screw.This modified model charging system has reasonable in design, the advantage of reliable operation.

Description

A kind of modified model charging system

Technical field

This utility model belongs to injection machine technical field, relates to a kind of modified model charging system, A kind of modified model charging system being applicable to injection machine.

Background technology

At present, the competition of plastic processing industry is more and more fierce, and converted products requires also to get over Come the highest, but product is different due to the characteristic of raw material, can go out in injection molding process The various problems such as jaundice, water wave, affect product quality.

Existing injection machine has employing rubber melting cylinder to carry out injection molding operation, the design letter of its structure Single, work unreliable, it is impossible to solve during injection the problems such as jaundice, water wave, shadow perfectly Ring end product quality.

In sum, need to design a kind of reasonable in design, modified model charging of reliable operation System.

Summary of the invention

The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that A kind of reasonable in design, modified model charging system of reliable operation.

The purpose of this utility model can be realized by following technical proposal: a kind of modified model Charging system, including:

Vacuum hopper, has the charge door for receiving the raw material that the external world sends here, for unloading Going out the discharge port of raw material, the lower end of described vacuum hopper is provided with negative pressure cavity and above-mentioned discharge port For the outlet of negative pressure cavity, described vacuum hopper forms negative pressure and then by raw material by negative pressure cavity Suck and drawn off by charging aperture；

Rubber melting cylinder, for injection raw material and be provided with the injection screw for rotating feeding；

Feed cylinder, is arranged at below vacuum hopper, described feed cylinder have for receive unload The charging aperture of the material raw material sent here of mouth, for raw material being discharged into the discharging opening of rubber melting cylinder；

Feeding spiro rod, in being movably installed in feed cylinder and for rotating feeding, described feeding The rotating speed of screw rod is arranged by presetting ratio with the rotating speed of injection screw.

As further improvement of the utility model, described vacuum hopper in being vertically arranged, And at least one flashboard assembly it is provided with in vacuum hopper side, described flashboard assembly action can The entrance of negative pressure cavity is closed so that vacuum hopper is from top to bottom divided into storage chamber and upper State negative pressure cavity.

Further improving as of the present utility model, described flashboard assembly is set to two, Described flashboard assembly includes flashboard that level is inserted on vacuum hopper and is connected with flashboard Cylinder, described cylinder action can drive corresponding flashboard horizontal displacement and open or close State negative pressure cavity, described vacuum hopper by two flashboards be from top to bottom divided into the first storage chamber, Second storage chamber and above-mentioned negative pressure cavity.

Further improve as of the present utility model, be additionally provided with peace in vacuum hopper side Dress plate, two cylinders are all horizontally installed on installing plate and two cylinders be arranged in parallel, Cylinder is provided with shock-damping structure with corresponding flashboard junction.

Further improve as of the present utility model, vacuum hopper is movably installed with The removable cover of charge door can be closed, be additionally provided with in the side of the remotely mounted plate of vacuum hopper The full induction apparatus of one material, the full induction apparatus of the second material, the full induction apparatus of described first material and the first storage Hide chamber be connected and be electrically connected with removable cover, the full induction apparatus of described second material and negative pressure cavity phase Even and respectively with two cylinders it is electrically connected.

As further improvement of the utility model, described injection screw is axially inserted in molten In packing element, it is interior and parallel with injection screw that described feeding spiro rod is axially inserted in feed cylinder, The outer wall of feeding spiro rod is close to feed cylinder inwall.

As further improvement of the utility model, described discharging opening is placed in below feed cylinder And it is positioned at feed cylinder front end, described discharging opening is positioned at below the feeding outlet of feeding spiro rod, Described charging aperture is placed in above feed cylinder and is positioned at discharging opening rear, and described charging aperture is close The feeding entry position of feeding spiro rod and charging aperture are positioned at this feeding entrance top.

Further improving as of the present utility model, described feeding spiro rod is horizontally disposed with, Coldplate, described discharging are detachably installed below feed cylinder front end and between colloidal sol cylinder Mouth is for be vertically opened in the through hole in the middle part of coldplate, and described charging aperture is vertically opened in feeding Top in the middle part of Tong.

Further improve as of the present utility model, in the middle part of feed cylinder above detachable Being provided with the hopper keyset for installing vacuum hopper, described charging aperture is for being opened in material Through hole in the middle part of bucket keyset.

As further improvement of the utility model, described feeding spiro rod passes through two bearings Being rotatably installed in feed cylinder, described bearing holder (housing, cover) is located in the middle part of feeding spiro rod position rearward Put.

Further improve as of the present utility model, feeding spiro rod is arranged with spacing Set, described spacer sleeve close installation is between two bearings.

As another improvement of the present utility model, detachably it is provided with in feed cylinder rear end Motor cabinet, is provided with the motor for driving feeding spiro rod to rotate on motor cabinet, described Motor cabinet outer wall, motor outer wall, feed cylinder rear end outer wall are substantially flush.

As further improvement of the utility model, shaft coupling is passed through in described feeding spiro rod rear end Joint is connected with motor, and described shaft coupling is positioned at motor cabinet.

As another improvement of the present utility model, in feed cylinder front end, dead ahead is inserted with Sealing lid, described sealing cover stretches in discharging opening.

As another improvement of the present utility model, detachably pacify above feed cylinder front end Equipped with expecting clearly lid, described clear material lid and discharging opening UNICOM.

Based on technique scheme, this utility model embodiment at least can produce following skill Art effect: overall construction design is reasonable, the vacuum hopper feeding manner by negative-pressure adsorption, Can be with the transferring raw material of higher efficiency so that extraneous feeding raw material is relatively reliable, convenient control Flow processed；Also employing feeding spiro rod rotating speed is pressed with the screw rod (i.e. injection screw) of injection machine The feeding of presetting ratio, effectively solves during injection the problems such as jaundice, water wave, it is ensured that feed The reliability of system work.

Accompanying drawing explanation

Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is made further details of Illustrate, wherein:

Fig. 1 is the structural representation of this utility model one preferred embodiment.

Fig. 2 is the structural representation in this utility model one preferred embodiment at vacuum hopper Figure.

Fig. 3 is the structural representation in this utility model one preferred embodiment at rubber melting cylinder.

In figure, 10, rubber melting cylinder；11, nozzle；20, injection screw；30, feed cylinder； 31, charging aperture；32, discharging opening；40, feeding spiro rod；50, coldplate；60, material Bucket keyset；71, bearing；72, spacer sleeve；81, motor cabinet；82, motor；83、 Shaft coupling；90, lid is sealed；100, lid is expected clearly；110, vacuum hopper；111, charging Mouthful；112, discharge port；113, negative pressure cavity；114, the first storage chamber；115, second Storage chamber；120, flashboard；130, cylinder；140, installing plate.

Detailed description of the invention

The following is specific embodiment of the utility model and combine accompanying drawing, to this utility model Technical scheme be further described, but this utility model is not limited to these embodiments.

The technical scheme provided this utility model below in conjunction with Fig. 1 to Fig. 3 is carried out more Detailed elaboration.

As shown in Figure 1 to Figure 3, this modified model charging system includes:

Vacuum hopper 110, have the charge door 111 for receiving the raw material that the external world sends here, For drawing off the discharge port 112 of raw material, the lower end of vacuum hopper 110 is provided with negative pressure cavity 113 And the outlet that above-mentioned discharge port 112 is negative pressure cavity 113, vacuum hopper 110 passes through negative pressure Chamber 113 forms negative pressure and then is sucked by raw material and drawn off by charging aperture 31；

Rubber melting cylinder 10, for injection raw material and be provided with the injection screw for rotating feeding 20；

Feed cylinder 30, is arranged at below vacuum hopper 110, feed cylinder 30 have for Receive the charging aperture 31 of the raw material that discharge port 112 is sent here, for raw material is discharged into rubber melting cylinder The discharging opening 32 of 10；

Feeding spiro rod 40, in being movably installed in feed cylinder 30 and for rotating feeding, send The rotating speed of material screw rod 40 is arranged by presetting ratio with the rotating speed of injection screw 20.

In this utility model, the design of the structure of above-mentioned vacuum hopper 110 be for making outside Boundary's feeding raw material is relatively reliable, and vacuum hopper 110 docks with feed cylinder 30 closely, convenient Control flow；During work, the negative pressure cavity 113 of vacuum hopper 110 is opened, and it is formed negative It is pressed into and former by extraneous raw material negative suction chamber 113, and final negative pressure cavity 113 Material is discharged in the charging aperture 31 of feed cylinder 30, by the feeding manner of negative-pressure adsorption, and can Transferring raw material with higher efficiency.

In this utility model, the injection molding operation of injection machine is realized by rubber melting cylinder 10, its tool Having a nozzle 11 for injection, above-mentioned injection screw 20 is for sending here feed cylinder 30 Raw material sends nozzle 11 to, transmits steadily, and injection molding operation is reliable.

In an initial condition, overall construction design is reasonable for the charging system of this charging (feeding) equipment, The feeding of rubber melting cylinder 10 and feed cylinder 30 all uses screw rod to rotate feeding, transmits steadily； And this case uses the screw rod (i.e. injection screw 20) of feeding spiro rod 40 rotating speed and injection machine By the feeding of presetting ratio, the factors such as the speed of feedstock, time, flow can be affected, The raw material entered in rubber melting cylinder 10 is fully heated, injection stable working, smooth and easy, efficient solution The certainly problem such as jaundice, water wave during injection, it is ensured that the reliability that charging system works.

For making work relatively reliable, taking into full account the length of each screw rod, diameter, spiral shell Away from, rotating speed, distance and the heating-up temperature of rubber melting cylinder 10, the composition of raw material, granule big On the basis of the factor such as little, it is ensured that the compactness that feeding spiro rod 40 and injection screw 20 connect, Effectively solve during injection the problems such as jaundice, water wave, above-mentioned feeding spiro rod 40 is set further The presetting ratio of rotating speed and injection screw 20 rotating speed is more than or equal to 0.5, and less than 1.

In order to make, vacuum hopper 110 feeding work is reliable, raw material blanking is smooth and easy, it is preferable that Vacuum hopper 110 is in being vertically arranged, and is provided with at least one in vacuum hopper 110 side Flashboard assembly, the entrance of negative pressure cavity 113 can be closed by flashboard assembly action so that vacuum Hopper 110 is from top to bottom divided into storage chamber and above-mentioned negative pressure cavity 113.

After flashboard assembly closes the entrance of negative pressure cavity 113, formed above negative pressure cavity 113 One for showing the storage chamber of storage raw material, after negative pressure cavity 113 is opened, negative In under pressure effect, raw material is admitted to feed cylinder 30, work efficiency is high, easy to control；And it is true The charge door 111 of empty hopper 110 normally opened can also arrange the realization of similar switch and open And closing motion.

Preferably, more quick for making negative pressure cavity 113 open, vacuum hopper works more Adding reliable, in this case, flashboard assembly is set to two, and flashboard assembly includes that level is inserted in Flashboard 120 on vacuum hopper 110 and the cylinder 130 being connected with flashboard 120, gas Cylinder 130 action can drive corresponding flashboard 120 horizontal displacement and open or close above-mentioned negative pressure Chamber 113, vacuum hopper 110 is from top to bottom divided into the first storage by two flashboards 120 Chamber the 114, second storage chamber 115 and above-mentioned negative pressure cavity 113.

In this utility model, why use the topology layout of two flashboards 120, be When arranging in order to avoid single flashboard 120, the pressure of outer bound pair negative pressure cavity 113 too big and Cause flashboard 120 cannot smooth opening situation occur；It is being provided with two flashboards 120 After, flashboard 120 above contacts with ambient atmosphere, flashboard 120 below and negative pressure cavity 113 contacts, the pressure difference between each chamber is not too large, flashboard 120 opens easily, Steadily；Time to be fed, raw material enters vacuum hopper 110, two gas from charge door 111 Cylinder 130 works successively, and two flashboards 120 detach vacuum hopper 110 successively, and raw material is i.e. And enter feed cylinder 30 down to bottom from vacuum hopper 110 top.

It is further preferred that for make cylinder 130 drive flashboard 120 stable working, can Lean on, be additionally provided with installing plate 140, two equal water of cylinder 130 in vacuum hopper 110 side Safety is loaded on installing plate 140 and two cylinders 130 be arranged in parallel, cylinder 130 with Corresponding flashboard 120 junction is provided with shock-damping structure, it is ensured that flashboard 120 move strong and Steadily.

Further, for convenience of the raw material in storage chamber and negative pressure cavity 113 too much or not Charging and the discharging of vacuum hopper 110 is controlled, movable peace on vacuum hopper 110 during foot Equipped with the removable cover of charge door 111 can be closed, at the remotely mounted plate of vacuum hopper 110 140 Side be additionally provided with the full induction apparatus of the first material, the full induction apparatus of the second material, the first material completely senses Device and the first storage chamber 114 are connected and are electrically connected with removable cover, the full induction apparatus of the second material It is connected with negative pressure cavity 113 and is electrically connected with two cylinders 130 respectively.

When the full induction apparatus of the first material senses that the first storage chamber 114 (i.e. connects with the external world Storage chamber) raw material too much time, control removable cover close charge door 111, temporarily cease Extraneous feed；When vacuum hopper 110 gives feed cylinder 30 feeding, the full induction apparatus of the second material Sense when the raw material in negative pressure cavity 113 is too much, control two cylinders 130 and drive correspondence Flashboard 120 temporarily cease storage chamber feed, it is ensured that raw material transmit reliability, it is to avoid Blocking.

Further, for ensureing the stationarity of two screw rod docking and the reliable of raw material transmission Property, also coordinate the setting of the presetting ratio of rotating speed of above-mentioned two screw rod, preferably injection screw 20 are axially inserted in rubber melting cylinder 10, and feeding spiro rod 40 is axially inserted in feed cylinder 30 Interior and parallel with injection screw 20, the outer wall of feeding spiro rod 40 is tight with feed cylinder 30 inwall Patch, it is ensured that the sealing within feed cylinder 30 so that raw material will not overflow from side.

For making the charging of feed cylinder 30, feeding, discharging work relatively reliable, it is ensured that pass Send efficiency and stationarity, it is to avoid blocking phenomenon produces, above-mentioned charging aperture 31 in this case, go out Material mouth 32, feed cylinder 30, the locus of feeding spiro rod 40 closely cooperate, and arrange out Material mouth 32 is positioned at lower section and forward position, arranges that charging aperture 31 is above and position rearward Put, feeding spiro rod 40 is set and is positioned at medium position；Concrete, discharging opening 32 is placed in and send Below barrel 30 and be positioned at feed cylinder 30 front end, discharging opening 32 is positioned at feeding spiro rod 40 Feeding outlet below, charging aperture 31 is placed in above feed cylinder 30 and is positioned at discharging opening 32 Rear, charging aperture 31 is near the feeding entry position of feeding spiro rod 40 and charging aperture 31 It is positioned at this feeding entrance top.

Preferably, more reasonable for discharging opening 32 layout making feed cylinder 30, and with Feeding spiro rod 40, charging aperture 31 coordinate more tight, and above-mentioned feeding spiro rod 40 level sets Put, below feed cylinder 30 front end and between colloidal sol cylinder, coldplate 50 be detachably installed, Discharging opening 32 is vertically to be opened in the through hole in the middle part of coldplate 50, and this through hole also has in fact Dock with the feeding outlet of feeding spiro rod 40 locally through feed cylinder 30, charging aperture 31 Vertically be opened in the middle part of feed cylinder 30 top, i.e. charging aperture 31, discharging opening 32 respectively with Feeding spiro rod 40 is vertical, and the charging aperture 31 and the discharging opening 32 that are vertically arranged are easy to certainly Further blanking under recast, it is ensured that the efficiency of transmission.

Herein, it should be added that: coldplate 50 also has as feed cylinder 30 Installing the effect of pedestal, it is for being loaded on rubber melting cylinder 10 barrel by feed cylinder 30, Support is steadily so that feed cylinder 30 and rubber melting cylinder 10 connect reliably, and in feeding process Material had cooling effect, it is ensured that the reliability of work.

It is further preferred that be to make charging aperture 31 layout of feed cylinder 30 more rationally, And coordinate closely with feeding spiro rod 40, discharging opening 32, in the middle part of feed cylinder 30 on can Remove and install the hopper keyset 60 for installing vacuum hopper 110, hopper keyset 60 for docking with vacuum hopper 110, and charging aperture 31 is for being opened in hopper keyset 60 The through hole at middle part, this through hole also has in fact locally through feed cylinder 30 and feeding spiro rod 40 Feeding entrance docking.

For making frock reliable, it is ensured that the stationarity of transmission, it is to avoid axial float, preferably Ground, feeding spiro rod 40 is rotatably installed in feed cylinder 30 by two bearings 71, Bearing 71 is set in the middle part of feeding spiro rod 40 position rearward.

Further, for ensureing the reliability of feeding spiro rod 40 frock, at feeding spiro rod Being arranged with spacer sleeve 72 on 40, spacer sleeve 72 close installation is between two bearings 71.

As the preferred or optional embodiment of one, for making feeding spiro rod 40 transmission put down Surely, in feed cylinder 30 rear end, motor cabinet 81 is detachably installed, motor cabinet 81 sets It is equipped with the motor 82 for driving feeding spiro rod 40 to rotate, motor cabinet 81 outer wall, motor 82 outer walls, feed cylinder 30 rear end outer wall are substantially flush, and such topology layout makes whole Body charging system compact in design, it is simple to frock, and feeding spiro rod 40 stable drive, work Reliably.

In this utility model, for making feeding spiro rod 40 and motor 82 dock reliably, Ensureing the stationarity that power transmits, shaft coupling 83 and motor are passed through in feeding spiro rod 40 rear end 82 (i.e. the power output shafts of motor 82) are connected, and this shaft coupling 83 is positioned at motor cabinet 81 In, the setting of motor cabinet 81 is applied not only to install motor 82, also acts as dust-tight, protection Effect.

Injection machine at work, cause injection time produce jaundice, water wave one of which former Because being to produce gas owing to raw material is heated in rubber melting cylinder 10, although this case is arranged and send The rotating speed of material screw rod 40 and melten gel screw rod, by the arrangement of presetting ratio, produces when overcoming injection The problems such as jaundice, water wave, but be the reliability of easy to detect and further safeguard work, As improving further, it is ensured that the sealing within feed cylinder 30, and for convenience of periodically row Look into or discharge the gas piled up at discharging opening 32 in time, at feed cylinder 30 front end dead ahead It is inserted with sealing lid 90, seals lid 90 parts and stretch in discharging opening 32, during use, can To draw off the gas of inside by sealing lid 90.

Preferably, for convenience of follow-up cleaning raw material, also for more quickly deriving accumulation Gas, is detachably provided with clear material lid 100, clear material lid 100 above feed cylinder 30 front end With discharging opening 32 UNICOM.

Specific embodiment described herein is only for example to this utility model spirit Explanation.This utility model person of ordinary skill in the field can be to described concrete Embodiment is made various amendment or supplements or use similar mode to substitute, but not Spirit of the present utility model can be deviateed or surmount model defined in appended claims Enclose.

Claims (8)

1. a modified model charging system, it is characterised in that: including:

Vacuum hopper, has the charge door for receiving the raw material that the external world sends here, for unloading Going out the discharge port of raw material, the lower end of described vacuum hopper is provided with negative pressure cavity and above-mentioned discharge port For the outlet of negative pressure cavity, described vacuum hopper forms negative pressure and then by raw material by negative pressure cavity Suck and drawn off by charging aperture；

Rubber melting cylinder, for injection raw material and be provided with the injection screw for rotating feeding；

Feed cylinder, is arranged at below vacuum hopper, described feed cylinder have for receive unload The charging aperture of the material raw material sent here of mouth, for raw material being discharged into the discharging opening of rubber melting cylinder；

Feeding spiro rod, in being movably installed in feed cylinder and for rotating feeding, described feeding The rotating speed of screw rod is arranged by presetting ratio with the rotating speed of injection screw.

A kind of modified model charging system the most according to claim 1, it is characterised in that: Described vacuum hopper is in being vertically arranged, and is provided with at least one flashboard in vacuum hopper side Assembly, the entrance of negative pressure cavity can be closed by described flashboard assembly action so that vacuum hopper From top to bottom it is divided into storage chamber and above-mentioned negative pressure cavity.

A kind of modified model charging system the most according to claim 2, it is characterised in that: Described flashboard assembly is set to two, and described flashboard assembly includes that level is inserted in vacuum material Flashboard on bucket and the cylinder being connected with flashboard, described cylinder action can drive corresponding lock Above-mentioned negative pressure cavity is opened or closed to plate level displacement also, and described vacuum hopper is by two flashboards From top to bottom it is divided into the first storage chamber, the second storage chamber and above-mentioned negative pressure cavity.

A kind of modified model charging system the most according to claim 3, it is characterised in that: Being additionally provided with installing plate in vacuum hopper side, two cylinders are all horizontally installed on installing plate And two cylinders be arranged in parallel, it is provided with shock-damping structure at cylinder with corresponding flashboard junction.

5. according to a kind of modified model charging system described in claim 1 or 2 or 3 or 4, It is characterized in that: described injection screw is axially inserted in rubber melting cylinder, described feeding spiro rod Axially it is inserted in feed cylinder interior and parallel with injection screw, the outer wall of feeding spiro rod and feeding Cylinder inwall is close to.

A kind of modified model charging system the most according to claim 5, it is characterised in that: Described discharging opening is placed in below feed cylinder and is positioned at feed cylinder front end, and described discharging opening is positioned at Below the feeding outlet of feeding spiro rod, described charging aperture is placed in above feed cylinder and is positioned at Material mouth rear, described charging aperture is near the feeding entry position of feeding spiro rod and charging aperture position In this feeding entrance top.

A kind of modified model charging system the most according to claim 6, it is characterised in that: Described feeding spiro rod is horizontally disposed with, detachable below feed cylinder front end and between colloidal sol cylinder Being provided with coldplate, described discharging opening is vertically to be opened in the through hole in the middle part of coldplate, institute State charging aperture and be vertically opened in top in the middle part of feed cylinder.

A kind of modified model charging system the most according to claim 7, it is characterised in that: Hopper switching for installing vacuum hopper is detachably installed above in the middle part of feed cylinder Plate, described charging aperture is to be opened in the through hole in the middle part of hopper keyset.