CN209409120U - A kind of nozzle for Jet forming machine injection member - Google Patents

Abstract

The utility model relates to a kind of nozzles for Jet forming machine injection member, including nozzle ontology, injection screw, bridge joint connecting hole and nozzle switch, in which: nozzle body interior has fluid channel；Injection screw is inserted in fluid channel rear portion, and may be axially movable；Bridge joint connecting hole is connected with the fluid channel in front of injection screw, receives melten gel for connecting bridge joint, and by being set to the melten gel channel inside bridge joint；Connection of the nozzle switch for the connection of fluid channel before and after switching bridge connecting holes and the melten gel channel of bridge joint connecting hole rear fluid channel and bridge joint.Compared with prior art, the utility model independently goes out melten gel component, by bridge joint connection nozzle and melten gel component, switchs and cooperates with the injection screw and nozzle of reciprocating motion, it can be realized efficient, stable, high quality melten gel injection, and closed-loop control conveniently made to injection pressure and back pressure；Further rotary spool is placed vertically, convenient for excretion gap defective material.

Description

A kind of nozzle for Jet forming machine injection member

Technical field

The utility model relates to injection molding technology field, more particularly, to a kind of for Jet forming machine injection member Nozzle.

Background technique

It is a kind of common product injection molding process that inserts is bumped on injection-molded item.It is normal below with reference to the explanation of Fig. 1 to 3 The Jet forming machine structure composition and production inserts product duty cycle mode of rule.Conventional Jet forming machine mainly includes machine Frame, conventional injection unit, (one set of die is generally made of two halves conventional single mold, and half has injection cast gate, is claimed herein " preceding Mould "；Half does not have cast gate, claims " rear mold " herein), conventional closing unit and controller and safty shield board group be at conventional Closing unit according to the difference of transmission device, be divided into conventional mechanical reaming type closing unit or conventional direct pressure unit (such as Fig. 1 and Shown in Fig. 2), closing unit front is equipped with one set of die, and with manipulator (or artificial loading inserts and taking-up product), middle part has There are gear adjusting device in liftout attachment, tail portion.

Its specific structure: mainly by fixed plate, movable plate, tailgate, pull rod, transmission device, (mechanical reaming type is straight for closing unit Pressure type), liftout attachment and adjusting device composition；Adjusting device is gear drive, and drive motor pinion gear drives large ring gear, canine tooth Circle drives the adjustment nut rotation on four pull rods to adjust die-closed position.Injecting unit is mainly passed by screw cylinder component, motor Dynamic component and injection transmission component composition (Fig. 1 and Fig. 2).

Its course of work: starting, and closing unit molding forms product die cavity；Then seat Forward nozzle abutting mold is penetrated to pour Muzzle, molten resin is injected die cavity by plasticization unit, then keeps certain pressure in the die cavity part cooling contraction period, is made Resin cools and solidifies to form dense product；In resin cooling procedure, plasticization unit starts to be plasticized storing metering, generates a certain amount of conjunction The melt of lattice quality is ready to for injection next time；Cooling terminates, and penetrates seat and moves back, closing unit die sinking；Ejecting mechanism ejection system Product；Manipulator is packed into inserts, completes a production cycle (such as Fig. 3)；It molds again and carries out subsequent work circulation.

The injecting unit of conventional Jet forming machine generallys use screw rod extrusion type structure, and passes through plasticization unit (melten gel portion Part) melten gel and importing in injecting unit injected.The mode of screw rod extrusion type injection is easy to produce screw head padding for a long time Be detained and the problem of pollution degradation product.

Utility model content

One purpose of the utility model is to provide a kind of emission forming machine, realizes and installs multiple sets of molds on a machine, The existing synchronization of multiple sets of molds also has alternation, avoids conventional Jet forming machine one set of die when taking product and being packed into inserts The cooling problem of pressure maintaining cannot be injected, preceding mould (usually hot flow path installation mould) utilization rate is improved；Further, by injection part Part is embedded in closing unit, improves space utilization rate.

Another purpose of the utility model is to provide a kind of injection molding process, which can be with multimode Tool, more movements synchronize and alternately, realize the process that conventional Jet forming machine cannot achieve, reach higher working efficiency.

The third purpose of the utility model is to provide the Jet forming machine modular construction of a variety of innovations, to guarantee that machine is steady It is fixed reliably to run.

The utility model provides a kind of Jet forming machine, comprising:

Rack,

Revolving die platform, is rotationally arranged in rack, is circumferentially with two rear mold groups along revolving die platform direction of rotation, each Rear mold group all has N number of rear mold,

N number of closing unit, each closing unit include the transmission device being set in rack and with transmission device Melten gel injection member with setting, the transmission device are equipped with preceding mould, revolving die platform rotation process, on N number of closing unit Preceding mould replaces molding under the drive of transmission device with N number of rear mold of two rear mold groups, and melten gel injection member will after being used to mold Plastic molting is simultaneously molded into die cavity before passing through；

The N is the integer not less than 1.

Preferably, the N is integer not less than 2, the circumferential direction of the rear molds of two rear mold groups along revolving die platform direction of rotation It is arranged alternately, and is uniformly distributed.

Preferably, the N is 2, and two rear molds of each rear mold group are symmetrical arranged, and two closing units are relative to revolving die Platform is symmetrical arranged.

Preferably, the hexahedron that the revolving die platform has a cross section square, the hexahedron is around its upper and lower surface Straight line rotation, the rear mold of two rear mold groups are connected on hexahedral two groups of opposite sides where the line at center.

Preferably, the revolving die platform is equipped with the 2N liftout attachment to match respectively with each rear mold.

Preferably, the melten gel injection member includes melten gel component and injection member, and the injection member is embedded in Transmission device, the melten gel component are set to transmission device side, are coupled by bridging with injection member, and and injection member It is servo-actuated.

The utility model also provides a kind of injection molding technique of Jet forming machine, comprising the following steps:

Preceding mould on S1:N closing unit is closed with N number of rear mold of corresponding rear mold group respectively under the drive of transmission device Mould, melten gel injection member are molded into die cavity by plastic molting and before passing through, and carry out the injection moulding of product；

S2: die sinking；

S3: the position of two rear mold groups is exchanged in the rotation of revolving die platform；

S4: product is taken out；

S5: circulation executes step S1~S4.

Preferably, step S4 is synchronous with step S1 carries out.

Preferably, step (4) further includes the steps that being packed into inserts in rear mold after taking out product.

The utility model will be changed by setting revolving die platform, every turn of rear mold once with the cooperation of preceding mould, make two rear molds Group rear mold replace with preceding mould molding (such as N=2, the preceding mould on two preceding form units is moved toward one another from machine two sides, with Molded on revolving die platform with two " cold half modules " of a corresponding rear mold group), rear mold is worked by turns.The rear mold of one rear mold group with When the cooperation injection moulding of preceding mould, another rear mold group pickup, pickup is synchronous with injection.It is alternately again same to creatively realize Walk operating mode (preferably as N=2, four moulds alternately work asynchronously mode two-by-two again two-by-two), not only increase machine efficiency and Yield, and improve the utilization rate of preceding mould.

When N is the integer not less than 1, multiple rear molds of each rear mold group mold simultaneously, can increase substantially injection Efficiency.Such as N=2, working efficiency can be significantly improved relative to conventional injection molding machine.

The utility model transfer die station in centre, surrounding arrange closing unit (as N=2, closing unit symmetrical arrangement cloth Set in revolving die platform two sides), factory floor space utilization rate is high.

The utility model also provides a kind of revolving die platform for Jet forming machine, comprising:

Polyhedron, rotatable setting have 2N along the circumferentially equally distributed side elevation in direction of rotation, for fixing two Rear mold group, each rear mold group all have N number of rear mold, and N number of rear mold of two rear mold groups is used in polyhedron rotation process In with N number of preceding mould replace molding；

The N is the integer not less than 1.

N is the integer not less than 2 as a preferred technical solution, and the rear mold of two rear mold groups is along revolving die platform direction of rotation Circumferential direction be arranged alternately, and be uniformly distributed.

N=2 as a preferred technical solution, the polyhedron are hexahedron, and there are four side elevation, each rear molds for tool Two rear molds of group are symmetrically disposed on two opposite side elevations；

The revolving die platform further include:

Frame support is surrounded on outside hexahedron, fixed setting,

Heavy load gyro black assembly, for the rotation connection of hexahedron and frame support,

Embedded off-load external member, by groove flange, male flange and hanging for connecting groove flange and male flange Linkage composition, groove flange are fixed in frame support, and have rectilinear direction where length direction and two preceding moulds flat Capable groove, male flange and groove flange are fitting to connection, and can be moved along groove length direction relative to groove flange,

Revolving die platform runner assembly, is fixed on male flange, and passes through male flange and heavy load gyro black assembly transmission company It connects.

Thus the utility model limits power part freedom degree by the way that groove flange is chimeric with male flange, bear dynamic The turning moment of power component, but power part is allowed to be displaced on a small quantity along molding direction；When the hexahedron rotation of revolving die platform is completed simultaneously When starting high press-fitting mould, hexahedron can be deformed by tens to hundreds of tons mold clamping forces, transmission with fixing piece, thus power part A small amount of displacement along molding direction can occur, this external member allows this position by the groove flange and male flange of chimeric setting It moves, thus avoids precision drive part by molding additional stress.

The frame support is by four columns and difference that are surrounded on outside hexahedron as a preferred technical solution, Revolving die pedestal and revolving die rack positioned at four column bottoms and top form；The heavy load gyro black assembly is used for hexahedron With the rotation connection of the revolving die pedestal and revolving die rack of frame support；The groove flange is fixed on the bottom of revolving die pedestal Portion.

The heavy load gyro black assembly includes being connected at the top of hexahedron and being arranged in turn as a preferred technical solution, Upper flange axis on die station frame, is set on revolving die rack the upper heavily loaded copper sheathing being set between revolving die rack and upper flange axis And the upper flange lid to match with upper flange axis, the up-thrust bearing that is set between upper flange lid and upper flange axis and connection In hexahedron bottom and the lower flange axis being arranged on revolving die pedestal, the lower heavy duty being set between revolving die pedestal and lower flange axis Copper sheathing, the lower thrust-bearing being set between groove flange and lower flange axis.By upper heavily loaded copper sheathing and lower heavily loaded copper sheathing in work Bear heavily loaded mold clamping force.

The revolving die platform runner assembly is by the revolving die servo motor, the revolving die that are sequentially connected as a preferred technical solution, Speed reducer and revolving die transmission shaft composition, the revolving die transmission shaft are connect with heavy load gyro black assembly.

The hexahedron is equipped with the four ejections dress to match respectively with four rear molds as a preferred technical solution, It sets, four liftout attachments all have the ejection servo motor and thimble rod that biasing is arranged and is sequentially connected, and four liftout attachments are handed over Mistake installation makes four thimble rod distributions in " ten " font, is located at the center of hexahedral four side elevations.Eject servo Motor keeps ejection servo motor parallel with knock-pin but not coaxial, to make six faces relative to thimble rod setoff installation and transmission Intracorporal narrow lumens can be staggered installation of four groups of independent liftout attachments.

The ejection servo motor of the liftout attachment passes through shaft coupling and thimble ball wire as a preferred technical solution, The threaded shank of thick stick connects, and the rear and front end of threaded shank passes through thimble lead screw bearing respectively and is arranged in front mounting plate and rear mounting plate On, installation side plate is connected between front mounting plate and rear mounting plate, and form " Fang " shape structure, front mounting plate and rear mounting plate Between be additionally provided with the rolling guide parallel with threaded shank, the nut portions of thimble ball-screw, which are connected with, to be arranged on rolling guide Ejector retainner plate, thimble rod are arranged on front mounting plate, and the rear end of thimble rod is fixed on ejector retainner plate.

The working principle of the revolving die platform of the utility model is: rear mold by being placed in the polyhedron of revolving die platform by the utility model Side elevation on, by rotation, make two rear mold groups rear mold alternately molded with preceding mould.Revolving die platform is in injection moulding back spin Turn, injection molding rear mold group will be completed and produce mould closing section, and pushing-off product；While producing mould ejection finished product another Rear mold group is transferred to mould closing section and synchronizes injection process.Injection moulding efficiency can be greatly improved by the revolving die platform.

Particularly, when two rear mold groups of the utility model are made of two symmetrically arranged rear molds, two preceding moulds It is symmetrical arranged relative to revolving die platform, when molding, two preceding moulds move toward one another and the rear mold on two symmetrical side elevations from two sides Molding, revolving die platform is rotated by 90 ° after injection moulding produces mould closing section pushing-off product for the injection molding rear mold group of completion injection；? Two rear molds of another rear mold group are transferred to mould closing section and synchronize injection process while producing mould ejection finished product.Not only infuse Stress is more reasonable when penetrating shaping efficiency height, and molding, and arrangement is more scientific, can greatly reduce equipment occupation space.

The utility model also provides a kind of transmission device for Jet forming machine closing unit, which includes leading Rail and the movable plate of guide rail slidable connection, the tailgate being fixed on guide rail, the reinforcement being connected between movable plate and tailgate pass It moves component and acts on the driving assembly on reinforcement transmission component, the movable plate has and uses for connecting with preceding mould In the inner cavity of embedded injection member.

The reinforcement transmission component uses crank link mechanism as a preferred technical solution, by the song being sequentially connected Handle and long connecting rod are constituted, and the free end of the crank is connect with tailgate, the free end of long connecting rod is connect with movable plate, described Driving assembly acts on crank.

The driving assembly includes: as a preferred technical solution,

Middle plate is set on guide rail and between movable plate and tailgate,

Transmitting balls screw rod, threaded shank are arranged on tailgate and middle plate by bearing, and nut portions are equipped with nut seat, nut Seat is connected with short connecting rod, and is acted on reinforcement transmission component by short connecting rod,

Driver is sequentially connected, for driving threaded shank to rotate with threaded shank.

There are two the reinforcement transmission component is set as a preferred technical solution, it is symmetrically disposed on transmitting balls screw rod Two sides.The nut seat uses cross nut seat, has relative to the symmetrical both wings of transmitting balls screw rod, cross spiral shell The both wings of base are respectively connected with short connecting rod, and are acted on two reinforcement transmission components by short connecting rod.

The transmitting balls screw rod is using the big steel ball ball screw of heavy duty as a preferred technical solution,.

The driver includes the molding servo motor being fixed on tailgate, is set to as a preferred technical solution, Mold the active synchronization belt wheel on servo motor output shaft, the driven synchronous pulley being set in threaded shank and for connecting master The synchronous belt of dynamic synchronous pulley and driven synchronous pulley.

The tail end of the threaded shank passes through tailgate and is located at the rear of tailgate as a preferred technical solution, driven same Step belt wheel is set to the tail end of threaded shank, and molding servo motor is set to the side of tailgate, and output shaft is synchronous towards tailgate rear Band is located at the rear of tailgate.

The threaded shank passes through positioning bearing respectively as a preferred technical solution, and radial thrust bearing is arranged in tail On plate and middle plate.

The guide rail in four in the pull rod of distributed rectangular by forming as a preferred technical solution, and is arranged in shifting At four angles of movable plate, tailgate and middle plate.

The tailgate and movable plate of transmission device pass through reinforcement transmission component --- crank link mechanism is preferably used, for closing Mold lock is tight and power is amplified.It molds servo motor and the rotation of transmitting balls screw rod is driven by V belt translation, push cross nut seat It moves forward or back, and then pulls crank link mechanism, do molding and die sinking movement with making movable plate high-speed smooth.Position bearing and Radial thrust bearing group closes the high rigidity support to form ball screw, can permit high speed rotation ball screw.Injection molding cloth Set the utilization efficiency that factory floor space is substantially increased in the same end.

The utility model also provides a kind of nozzle for injection (mo(u)lding) machine injection member, comprising:

Nozzle ontology, inside have fluid channel,

Injection screw is inserted in fluid channel rear portion, and may be axially movable,

Connecting hole is bridged, is connected with the fluid channel in front of injection screw, for connecting bridge joint, and by being set to bridge It connects internal melten gel channel and receives melten gel,

Nozzle switch, connection and bridge joint connecting hole rear fluid channel for fluid channel before and after switching bridge connecting holes With the connection in the melten gel channel of bridge joint.

Nozzle switch is including rotary spool and for driving rotary spool to rotate as a preferred technical solution, Spool driving assembly, the rotary spool are inserted in fluid channel and bridge the junction of connecting hole, which is equipped with Three through-holes, connection and bridge joint connecting hole rear fluid channel to fluid channel before and after switching bridge connecting holes are melted with what is bridged The connection in glue channel.

Three through-holes are in T shape as a preferred technical solution, and the spool driving assembly is for driving rotation Spool does 90 ° of reciprocally swingings.

As a preferred technical scheme:

Before and after bridging connecting hole when fluid channel connection, two through-holes being oppositely arranged in three through-holes will bridge connecting hole The connection of front and back fluid channel, another through-hole bridge connecting hole backwards；

When bridge joint connecting hole rear fluid channel is connected to the melten gel channel of bridge joint, orthogonal two in three through-holes Through-hole will bridge connecting hole rear fluid channel and be connected to the melten gel channel of bridge joint, another through-hole bridges connecting hole backwards.

The rotary spool is equipped with multiple tracks damping slot as a preferred technical solution, is equipped with the hole that gathers materials in rotary spool The input end in road, the duct that gathers materials is connected by the aperture being set in one of damping slot with the damping slot, outlet end Lead to the end of rotary spool.

The rotary spool is vertically arranged as a preferred technical solution, and the bottom end of rotary spool passes through nozzle ontology And be located at below nozzle ontology, the bottom end of rotary spool is led in the outlet end in the duct that gathers materials.Facilitate excretion gap defective material.

The spool driving assembly includes the crank connecting link successively connecting with rotary spool as a preferred technical solution, Mechanism and nozzle switching cylinder.

The fluid channel is by the nozzle chamber and injecting cavity structure that are one in front and one in back connected as a preferred technical solution, At bridge joint connecting hole is set to the junction of nozzle chamber and injecting cavity, and injecting cavity shape matches with injection screw.

The part that the injection screw protrudes into fluid channel as a preferred technical solution, offers multiple tracks off-load Slot.Compensating groove can effectively limit the leakage of the melten gel under high pressure, height pressure resistance.

The injection screw is in tip bar shape structure as a preferred technical solution, and compensating groove is set to injection spiral shell The columnar part of bar.

The injection screw is equipped with discharging duct, the input end in the discharging duct as a preferred technical solution, It is connected by the aperture being set in one of compensating groove with the compensating groove, outlet end is located at injection screw rear portion.Pass through setting Leakage melten gel is discharged with orientation in discharging duct.The melten gel of injection screw end is updated by leakage, effectively avoids screw head padding Be detained for a long time and the problem of pollution degradation product.

The rear end of the injection screw is equipped with a groove profile axle journal as a preferred technical solution, which is used for It is connect with the element of driving injection screw movement, to realize that pine moves back function.

The nozzle ontology is by penetrate nozzle flange and the nozzle for being connected to penetrate nozzle flange front end as a preferred technical solution, The junction of portion's composition, fluid channel and bridge joint connecting hole is located in penetrate nozzle flange.

The nozzle portion is coated with heater as a preferred technical solution,.

The utility model also provides a kind of injection member for Jet forming machine, comprising: injecting unit is connected to injection The nozzle of unit one end and for drive the injection member move penetrate shifting unit；

The injecting unit is by cabinet, ball screw drive component arranged in the box body and for driving ball spiral shell The servo motor component of bar transmission component movement is constituted,

The nozzle is connected to the front end of injecting unit, and ball screw drive component passes through injection force snesor and injection Screw drive connection, and injection screw is driven to move back and forth.

The ball screw drive component includes: as a preferred technical solution,

Ball screw is injected,

Transmission shaft is injected, is hollow structure, is sheathed on outside the nut portions of injection ball screw, is rotatably connected with cabinet, And for being sequentially connected with servo motor component,

Guide plate is connected to the front end of the threaded shank of injection ball screw, and is connected by injection guided way and box body-sliding It connects, for driving injection screw to move back and forth.

The rear end of the injection screw is connected with screw rod connecting seat, the injection force as a preferred technical solution, Sensor is set between guide plate and screw rod connecting seat.

The centre of the guide plate is connect with the threaded shank of injection ball screw as a preferred technical solution, is infused Guided way is penetrated to be made of two symmetrically arranged sliding rails of threaded shank relative to injection ball screw.

The injection transmission shaft is pushed away by being sheathed on the centripetal of its front and rear respectively as a preferred technical solution, Power bearing and off-load bearing are rotatably connected with cabinet.

The rear end of the injection transmission shaft extends back and stretches out cabinet as a preferred technical solution, for watch Take electric machine assembly transmission connection.

The servo motor component includes the injection servo relative to cabinet fixed setting as a preferred technical solution, Motor and the injection synchronous belt component connected for servo motor output shaft will to be injected with injection transmission shaft driven.

The injection synchronous belt component includes the injection for being sheathed on injection transmission shaft rear end as a preferred technical solution, Big synchronous pulley is connected to the injection active synchronization belt wheel injected on servo motor output shaft and injects big synchronize for connecting The injection synchronous belt of belt wheel and injection active synchronization belt wheel.

The injection servo motor is fixed on one outside cabinet by injecting motor seat as a preferred technical solution, Side.

The shifting unit of penetrating includes: as a preferred technical solution,

It penetrates and moves pedestal slide carriage, be set on cabinet,

It penetrates and moves base rail pair, for penetrating the sliding for moving pedestal slide carriage,

Cylinder is tensed, for connecting the movable plate of cabinet and Jet forming machine, mould before being close to nozzle in injection.

The injection member course of work: it is mobile by entire injection member to tense cylinder, make nozzle portion push against mold note cast gate or It is detached from.When machine controller sender is injected, nozzle switching cylinder driving rotary spool is rotated by 90 °, and leads nozzle portion with injecting cavity It is logical；Servo motor rotation is injected, injection ball screw is driven by V belt translation --- it is general using heavily loaded big steel ball ball screw Rotation, guide plate edge injection guided way push injection screw advance injection by injection force snesor, keep pressure.Injection force by The controller and injection force snesor for injecting servo motor constitute closed-loop control.Injection is completed, the driving rotation of nozzle switching cylinder Spool is returned and is turn 90 degrees, and injecting cavity is connected with melten gel component, receives the melt that melten gel component comes and injection screw is pushed to retreat.In power Under the closed-loop control of sensor, injection screw backing resistance, i.e. back pressure when can accurately control melten gel.

Injection components are co-axially mounted into an entirety, conventional to penetrate platform outside that with screw rod displacement part of straight line； The pressure (back pressure) of glue makees closed-loop control when by force snesor and servo-control system to injection pressure and melten gel storing；Rotation Rotary plate is placed vertically, convenient for excretion gap defective material.

The utility model also provides a kind of melten gel component for Jet forming machine, comprising:

Barrel has feeding inlet, and outside is enclosed with Heating tube,

Bridge joint, is vertically connected at barrel front end, and be connected with barrel, for being connect with injection member, to provide melten gel, And the outside of bridge joint is enclosed with Heating tube,

Melten gel screw rod, is arranged in barrel,

Melten gel screw drive component, for driving melten gel screw rod to rotate,

Melten gel component moving assembly, for the servo-actuated of melten gel component and injection member.

The bridge joint is vertically connected at the front end of barrel by right angle flange as a preferred technical solution,.

The melten gel component further includes the melten gel bearing block and barrel seat being detachably connected, institute as a preferred technical solution, The tail end for the barrel stated is fixed on barrel seat, and the tail end of the melten gel screw rod is connected with bearing by connecting flange, the axis Hold and be rotatably connected with melten gel bearing block, melten gel screw drive component is set on melten gel bearing block, and with melten gel screw drive Connection.

As a preferred technical solution, the melten gel screw drive component include transmission connection melten gel servo motor and Melten gel speed reducer, the melten gel speed reducer are connect by melten gel transmission shaft with melten gel screw drive.

The melten gel component moving assembly includes melten gel bracket and is set to melten gel bracket as a preferred technical solution, On melten gel guideway, melten gel bearing block and barrel seat are slidably connected with melten gel guideway.Melten gel component passes through in injection part It under the drive of part, is slided along the guideway, to realize the synchronizing moving with injection member.

The melten gel component further includes melten gel screw rod mobile cylinder as a preferred technical solution, and the melten gel screw rod moves It takes offence the cylinder body of cylinder and cylinder rod is connect with melten gel bearing block and barrel seat respectively.Melten gel screw rod mobile cylinder can move axially molten Glue screw rod, the back work when shutting down cleaning residue glue, dismounting melten gel screw rod.

The melten gel component further includes multiple melten gel thermocouples as a preferred technical solution, for measuring the temperature of barrel. Heating tube and melten gel thermocouple, which cooperate, makees accurate temperature control to barrel, preheats plastic pellet and keeps the temperature.

When the working principle of melten gel component: when melten gel, Heating tube makes barrel, right angle flange, bridge joint be preheating to assigned temperature, The rotation of melten gel screw drive Component driver melten gel screw rod, makes solid plastics continuously enter barrel from feeding inlet, and heating is squeezed Pressure, shearing, plastifying fusion is at melt.Melt squeezes into injection member by right angle flange, bridge joint.

The utility model by the way that melten gel component is independent from conventional melten gel injection member, and with other injection Melten gel component is preferably set to injection member side in practice, i.e., the two is set side by side by component by bridge joint connection, and same Step movement；Melten gel movement is independently of other movements such as injection, molding, thus melten gel can be synchronized in other movements, avoids Melten gel occupies cycle time, improves efficiency.

The utility model also provides a kind of adjusting device for Jet forming machine closing unit, which is set to On the tailgate of the closing unit of Jet forming machine, for driving closing unit mobile relative to the guide rail being made of multiple pull rods, Including gear motor, chain and respectively it is arranged in the belt sprocket mode transfer screw of each tie rod end, gear motor is each through chain-driving Belt sprocket mode transfer screw synchronous rotary on pull rod, which further includes clamping plate, the clamping plate and tailgate separation belt sprocket tune Mould screw two sides, at least two belt sprocket mode transfer screws are one group and share a clamping plate, and spacing is connected between clamping plate and tailgate Fixed link.

Plate thrust shaft before the front and rear sides of the belt sprocket mode transfer screw are respectively equipped with as a preferred technical solution, It holds and rear plate thrust bearing.

The gear motor is set on tailgate by motor base as a preferred technical solution, and by actively small The movement of sprocket wheel drive chain, the motor base can rotate centered on active minor sprocket, and be additionally provided on the motor base from Dynamic minor sprocket, the driven minor sprocket are prejudicially set on motor base relative to active minor sprocket.

Each belt sprocket mode transfer screw is located on the inside of chain as a preferred technical solution, driven minor sprocket and active chainlet Inside and outside wheel separation chain.

Idle pulley is additionally provided on the tailgate as a preferred technical solution, the idle pulley is located on the outside of chain.Idle pulley For cooperating with driven minor sprocket and active minor sprocket, by chain tension.

The guide rail is made of four distributions in the pull rod of rectangle as a preferred technical solution, two neighboring pull rod On belt sprocket mode transfer screw be one group share a clamping plate.

The adjusting device further includes arranging positioned at tailgate side and along rod length direction as a preferred technical solution, Two travel switches and the compression bar for being connected on tailgate and being located between two travel switches.Travel switch is matched with compression bar It closes, is limited for exchanging line journey.

Adjusting device is installed on tailgate, and when for replacing the mold of different-thickness, mobile entire closing unit makes to mold When can lucky clamping mold, and reach suitable clamp force.Its working principles are as follows:

Gear motor drives the rotation of active minor sprocket, draw chain), make four belt sprocket mode transfer screw rotations.Belt sprocket Mode transfer screw is spun together with pull rod, and is clipped between clamping plate and tailgate.Spacing fixed link determine between clamping plate and tailgate away from From, guarantee reasonable clearance (general 0.1mm) between belt sprocket mode transfer screw and clamping plate and tailgate, it can with respect to tailgate spacing certainly By rotating.Thus belt sprocket mode transfer screw rotation moves tailgate along pull rod, changes the clamped position of movable plate, reaches adjustment mould Has the purpose of thickness.Driven minor sprocket is installed on molding motor seat, is used for chain tension.Tensioning method is: with active chainlet Molding motor seat is rotated centered on wheel, is made driven minor sprocket beat, is compressed chain, reaches tensioning purpose.Every two belt sprocket tune Mould screw shares a clamping plate, is not easy during mode transfer stuck.Entire adjusting device is simple, efficient, stable.

Compared with prior art, the utility model may be implemented to install multiple sets of molds on a machine, and multiple sets of molds are existing Synchronization also has alternation, and pressure maintaining cannot be injected when taking product and being packed into inserts by avoiding conventional Jet forming machine one set of die Cooling problem also achieves mould utilization rate before improving mold especially hot runner mould, improves mechanical stability against short circuit, factory floor space benefit With rate, reduce artificial.The injection molding technique of the utility model can be synchronized with multi-mould, more movements and alternately, be realized normal The process that rule Jet forming machine cannot achieve, reaches higher working efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of conventional mechanical reaming type syntype Jet forming machine；

Fig. 2 is the structural schematic diagram of conventional direct pressure formula Jet forming machine；

Fig. 3 is the operating mode and action timing diagram of conventional Jet forming machine；Horizontal axis is the time in figure, and the longitudinal axis is dynamic for machine Make；

Fig. 4 is the structural schematic diagram of the Jet forming machine of the utility model；

Fig. 5 is the Jet forming machine working principle diagram in the utility model embodiment 1；

Fig. 6 is the operating mode and action timing diagram of the Jet forming machine of the utility model embodiment 1；When horizontal axis is in figure Between, the longitudinal axis is machine movement；

Fig. 7 is the schematic view of the front view (a) and overlooking structure diagram of the Jet forming machine of the utility model embodiment 1 (b)；

Fig. 8 is D-D diagrammatic cross-section in the structural schematic diagram (a) and figure (a) of the revolving die platform of the utility model embodiment 1 (b)；

Fig. 9 shows for the diagrammatic cross-section (a) of liftout attachment of the utility model embodiment 1, the facade of four liftout attachments It is intended to the schematic top plan view (d) of (b), the schematic side view (c) of four liftout attachments and four liftout attachments；

Figure 10 is E-E section signal in the structural schematic diagram (a) and figure (a) of the closing unit of the utility model embodiment 1 Scheme (b)；

Figure 11 is D- in the structural schematic diagram (a) and figure (a) of the transmission device of the closing unit of the utility model embodiment 1 The structural schematic diagram of D section；

Figure 12 is the knot of D-D section in the structural schematic diagram (a) and figure (a) of the injection member of the utility model embodiment 1 Structure schematic diagram；

Figure 13 is the structural schematic diagram of the nozzle of the utility model embodiment 1；

Figure 14 is the structural schematic diagram of the injection screw of the utility model embodiment 1；

Figure 15 is the knot of D-D section in the structural schematic diagram (a) and figure (a) of the melten gel component of the utility model embodiment 1 Structure schematic diagram；

Figure 16 is the schematic view of the front view (a) and schematic side view (b) of the adjusting device of the utility model embodiment 1.

In figure, 1 is revolving die platform, and 21 be rear mold, and 22 be preceding mould, and 3 be closing unit, and 4 be controller, and 5 be safty shield Plate, 6 be rack, and 7 be conventional injection unit, and 8 be conventional single mold, and 9 be conventional mechanical reaming type closing unit, and 10 be conventional vertical compression Formula closing unit, 11 be liftout attachment, and 12 be embedded off-load external member, and 1a is column, and 1b is upper heavily loaded copper sheathing, and 1c is upper flange Lid, 1d are up-thrust bearing, and 1e is upper flange axis, and 1f is hexahedron, and 1g is revolving die rack, and 1h is lower flange axis, and 1i is pushed away under being Power bearing, 1j are revolving die transmission shaft, and 1k is revolving die speed reducer, and 1m is revolving die servo motor, and 1n is revolving die pedestal, and 1p is lower heavy duty Copper sheathing, 1q are groove flange, and 1r is male flange, and 1s is sunpender, and 11a is ejection servo motor, and 11b is shaft coupling, after 11c is Mounting plate, 11d are thimble ball-screw, and 11e is installation side plate, and 11f is front mounting plate, and 11g is thimble lead screw bearing, and 11h is Rolling guide, 11i are thimble rod, and 11j is ejector retainner plate, and 31 be transmission device, and 32 be injection member, and 33 be melten gel component, and 34 are Adjusting device, 31a are pull rod, and 31b is movable plate, and 31c is long connecting rod, and 31d is crank, and 31e is tailgate, and 31f is molding servo Motor, 32f1 are compensating groove, and 31g is active synchronization belt wheel, and 31h is synchronous belt, and 31i is positioning bearing, and 31j is connecting link pin, 31k is short connecting rod, and 31m is cross nut seat, and 31n is transmitting balls screw rod, and 31p is middle plate, and 31q is radial thrust bearing, 31u is driven synchronous pulley, and 32a is nozzle portion, and 32b is heater, and 32c is penetrate nozzle flange, and 32d is rotary spool, and 32d1 is Damping slot, 32e are nozzle thermocouple, and 32f is injection screw, and 32f1 is compensating groove, and 32f2 is discharging duct, and 32f3 is excretion Hole, 32f4 are groove profile axle journal, and 32g is cabinet, and 32h is injection force snesor, and 32i is guide plate, and 32j is radial thrust bearing, 32k is injection transmission shaft, and 32m is off-load bearing block, and 32n is off-load bearing, and 32p is injection ball screw, and 32q is injection Datong District Belt wheel is walked, 32r is injection synchronous belt, and 32s is injecting motor seat, and 32t is injection servo motor, and 32u is to penetrate to move base rail pair, 32v is to penetrate to move pedestal slide carriage, and 32w is to tense cylinder, and 32x is nozzle switching cylinder, and 32y is injection guided way, and 32z is screw rod company Joint chair, 33a are bridge joint, and 33b is right angle flange, and 33c is melten gel thermocouple, and 33d is melten gel temperature control box, and 33e is barrel, and 33f is Melten gel screw rod, 33g are Heating tube, and 33h is barrel seat, and 33i is connecting flange, and 33j is melten gel bearing block, and 33k is melten gel deceleration Machine, 33m are melten gel servo motor, and 33n is melten gel transmission shaft, and 33p is melten gel screw rod mobile cylinder, and 33r is melten gel guideway, 33s is melten gel bracket, and 34a is active minor sprocket, and 34b is driven minor sprocket, and 34c is belt sprocket mode transfer screw, and 34d is solid for spacing Fixed pole, 34e are clamping plate, and 34f is chain, and 34g is idle pulley, and 34h is gear motor, and 34i is molding motor seat, and 34j is compression bar, 34k is switch base, and 34m is travel switch, and 34q is preceding plate thrust bearing, and 34r is rear plate thrust bearing.

Specific embodiment

The utility model is described in detail in the following with reference to the drawings and specific embodiments.

Embodiment 1

A kind of Jet forming machine, as shown in Figures 4 and 5, including rack 6, revolving die platform 1 and N number of closing unit 3, in which: revolving die Platform 1 is rotationally arranged in rack 6, and the two rear mold groups that are circumferentially with along revolving die platform direction of rotation, each rear mold group has There is N number of rear mold 21；Each closing unit 3 includes that the transmission device 31 that is set in rack 6 and matching with transmission device is set The melten gel injection member set, transmission device 31 are equipped with preceding mould 22,1 rotation process of revolving die platform, the preceding mould on N number of closing unit 3 22 replace molding under the drive of transmission device 31 with N number of rear mold 21 of two rear mold groups, after melten gel injection member is for molding Die cavity is injected by plastic molting and by preceding mould 21；The value of N is the integer not less than 1.Further preferred N is not less than 2 Integer, circumferential direction of the rear mold 21 of two rear mold groups along 1 direction of rotation of revolving die platform is arranged alternately, and is uniformly distributed.Revolving die platform 1 exists Centre, surrounding arrange closing unit 3.By the way that revolving die platform 1 is arranged, every turn of rear mold 21 once with the cooperation of preceding mould 22 will change, The rear mold 21 of two rear mold groups is set to replace molding with preceding mould 22, rear mold is worked by turns.The rear mold of one rear mold group and preceding mould cooperate When injection moulding, another rear mold group pickup, pickup is synchronous with injection.To creatively realize alternately synchronous working mould again Formula not only increases machine efficiency and yield, and improves the utilization rate of preceding mould.Be additionally provided in rack for control project at The controller of the motor-driven work of type and cover at security protection cover plate 5 in equipment.

It is 2 that N is selected in the present embodiment, and two rear molds 21 of each rear mold group are symmetrical arranged, two closing units 3 relative to Revolving die platform 1 is symmetrical arranged.At this point, the preceding mould on two preceding form units can be moved toward one another from machine two sides, on revolving die platform 1 with Two " cold half modules " of a corresponding rear mold group mold.Four rear molds 21 replace the mode that works asynchronously two-by-two again two-by-two.It is whole Structure is shown in Fig. 7.

In the present embodiment, the structural schematic diagram of the revolving die platform 1 for Jet forming machine is shown in that Fig. 8, revolving die platform 1 include: six faces Body 1f, frame support, heavy load gyro black assembly, embedded off-load external member 12 and revolving die platform runner assembly, in which: hexahedron 1f Can be around straight line rotation where the line at its upper and lower surface center, there are four side elevation, two rear molds 21 of each rear mold group for tool It is symmetrically disposed on two opposite side elevations, two preceding moulds 22 are symmetrical arranged relative to revolving die platform；Frame support is surrounded on Hexahedron 1f is outer and is fixedly installed；Heavy load gyro black assembly is used for the rotation connection of hexahedron 1f and frame support；It is embedded Off-load external member 12 is by groove flange 1q, male flange 1r and the suspender for connecting groove flange 1q and male flange 1r Composition, groove flange 1q are fixed in frame support, and have length direction parallel with two preceding 22 place rectilinear directions of mould Groove, male flange 1r and groove flange 1q are fitting to connection, and can be moved along groove length direction relative to groove flange 1q, Suspender is made of multiple sunpender 1s and the nut being sheathed on each sunpender 1s, and the top of sunpender 1s is fixed on groove flange 1q On, and it is located at the two sides male flange 1r, nut is for carrying male flange 1r；Revolving die platform runner assembly is fixed on male flange 1r On, and pass through male flange 1r and the transmission connection of heavy load gyro black assembly.By the way that groove flange 1q is chimeric with male flange 1r, Thus power part freedom degree is limited, the turning moment of power part is born, but allows power part along molding two, direction phase Rectilinear direction where when moving toward one another for the symmetrically arranged closing unit 3 of revolving die platform 1 is displaced on a small quantity；When six faces of revolving die platform 1 When body 1f rotation is completed and starts high press-fitting mould, hexahedron can be generated change by tens to hundreds of tons mold clamping forces, transmission and fixing piece Shape, thus power part can occur to be displaced on a small quantity along molding direction, the groove flange 1q and flange that this external member passes through chimeric setting Flange 1r and allow this displacement, thus avoid precision drive part by molding additional stress.More specifically: as shown in Fig. 8 a~b, Frame support in the present embodiment is by four column 1a being surrounded on outside hexahedron 1f and is located at four bottoms column 1a The revolving die pedestal 1n and revolving die rack 1g at portion and top composition；Heavy load gyro black assembly is for hexahedron 1f and frame support The rotation connection of revolving die pedestal 1n and revolving die rack 1g；Groove flange 1q is fixed on the bottom of revolving die pedestal 1n.Heavy load revolution Component include be connected to the upper flange axis 1e at the top of hexahedron 1f and being arranged on revolving die rack 1g, be set to revolving die rack 1g with The upper flange lid that upper heavy duty between upper flange axis 1e copper sheathing 1b, is set on revolving die rack 1g and matches with upper flange axis 1e It 1c, the up-thrust bearing 1d being set between upper flange lid 1c and upper flange axis 1e and is connected to the bottom hexahedron 1f and wears In on revolving die pedestal 1n lower flange axis 1h, be set between revolving die pedestal 1n and lower flange axis 1h lower heavily loaded copper sheathing 1p, set The lower thrust-bearing 1i being placed between groove flange 1q and lower flange axis 1h.By upper heavy duty copper sheathing 1b and lower heavily loaded copper sheathing in work 1p bears heavily loaded mold clamping force.Revolving die platform runner assembly is by the revolving die servo motor 1m, revolving die speed reducer 1k and the revolving die that are sequentially connected Transmission shaft 1j composition, revolving die transmission shaft 1j are connect with heavy load gyro black assembly.Six faces as shown in Fig. 9 a~d, in the present embodiment Body 1f is additionally provided with four liftout attachments 11 to match respectively with four rear molds 21, and four liftout attachments all have biasing setting simultaneously The ejection servo motor 11a and thimble rod 11i, four liftout attachments of transmission connection are staggered installation of, and make four thimble rod 11i distributions In " ten " font, it is located at the center of four side elevations of hexahedron 1f.Servo motor 11a is ejected relative to thimble rod 11i setoff installation and transmission, make to eject that servo motor 11a is parallel with knock-pin 11i but not coaxial, make that hexahedron 1f's is narrow interior Chamber can be staggered installation of four groups of independent liftout attachments 11.More specifically, the ejection servo motor 11a of liftout attachment 11 passes through connection Axis device 11b is connect with the threaded shank of thimble ball-screw 11d, and the rear and front end of threaded shank passes through thimble lead screw bearing 11g respectively It is arranged on front mounting plate 11f and rear mounting plate 11c, is connected with installation side plate between front mounting plate 11f and rear mounting plate 11c 11e, and " Fang " shape structure is formed, the rolling parallel with threaded shank, which is additionally provided with, between front mounting plate 11f and rear mounting plate 11c leads Rail 11h, the nut portions of thimble ball-screw 11d are connected with the ejector retainner plate 11j being arranged on rolling guide 11h, and thimble rod 11i is worn On front mounting plate 11f, and the rear end of thimble rod 11i is fixed on ejector retainner plate 11j.Thimble servo motor 11a driving top Needle ball-screw 11d is moved forward and backward ejector retainner plate 11j along rolling guide 11h, and thimble rod 11i then completes jacking, top moves back work. Four groups of push pin device 11 are respectively perpendicular to the tetra- side elevation jacking tops hexahedron 1f and move back.

The present embodiment is symmetrical arranged two preceding moulds 22 relative to revolving die platform 1 by using the revolving die platform 1, when molding, Two preceding moulds 22 are moved toward one another from two sides and are molded with the rear mold 21 on two symmetrical side elevations, and revolving die platform is in injection moulding back spin Turn 90 ° and the injection molding rear mold group of completion injection is produced into mould closing section pushing-off product；It is another while producing mould ejection finished product Two rear molds of one rear mold group are transferred to mould closing section and synchronize injection process.Not only be injection moulded it is high-efficient, but also mold when Stress is more reasonable, and arrangement is more scientific, can greatly reduce equipment occupation space.

In the present embodiment, the structure of the transmission device 31 for Jet forming machine closing unit 3 is referring to Figure 10 (a)~(b) With Figure 11 (a)~(b), including guide rail, with the movable plate 31b of guide rail slidable connection, the tailgate 31e being fixed on guide rail, even The reinforcement transmission component that is connected between movable plate 31b and tailgate 31e and driving assembly on reinforcement transmission component is acted on, moved Movable plate 31b has the inner cavity for embedding injection member 33 for connecting with preceding mould 22.More specifically: reinforcement transmission component Using crank link mechanism, the crank 31d and long connecting rod 31c being sequentially connected by connecting link pin 31j are constituted, the freedom of crank 31d End is connect with tailgate 31e, the free end of long connecting rod 31c is connect with movable plate 31b, and driving assembly acts on crank 31d.Driving Component includes middle plate 31p, transmitting balls screw rod 31n and driver；Wherein middle plate 31p is set on guide rail and is located at movable plate Between 31b and tailgate 31e, transmitting balls screw rod 31n preferably uses heavily loaded big steel ball ball screw, and threaded shank passes through fixed respectively Position bearing 31i and radial thrust bearing 31q is arranged on tailgate 31e and middle plate 31p, and nut portions are equipped with nut seat, nut seat It is connected with short connecting rod, and is acted on reinforcement transmission component by short connecting rod 31k；Driver and threaded shank are sequentially connected, and are used for Drive threaded shank rotation.There are two reinforcement transmission component in the present embodiment is set, it is symmetrically disposed on the two of transmitting balls screw rod 31n Side.Nut seat uses cross nut seat 31m, has relative to the symmetrical both wings of transmitting balls screw rod 31n, cross nut seat The both wings of 31m are respectively connected with short connecting rod 31k, and are acted on two reinforcement transmission components by short connecting rod 31k.In the present embodiment Driver include the molding servo motor 31f being fixed on tailgate 31e, be set to molding servo motor 31f output shaft on Active synchronization belt wheel 31g, the driven synchronous pulley 31u being set in threaded shank and for connect active synchronization belt wheel 31g and The synchronous belt 31h of driven synchronous pulley 31u.The tail end of the threaded shank of transmitting balls screw rod 31n in the present embodiment passes through tailgate 31e and the rear for being located at tailgate, driven synchronous pulley 31u are set to the tail end of threaded shank, and molding servo motor 31f is set to tail The side of plate 31e, output shaft are located at the rear of tailgate 31e towards the rear tailgate 31e, synchronous belt 31h.Guide rail in the present embodiment By being formed in four in the pull rod 31a of distributed rectangular, and it is arranged at four angles of movable plate 31b, tailgate 31e and middle plate 31p.

The tailgate 31e and movable plate 31b of the transmission device 31 of the present embodiment pass through reinforcement transmission component --- preferably use Crank link mechanism, for molding locking and power amplification.It molds servo motor 31f and transmitting balls screw rod is driven by V belt translation 31n rotation, pushes cross nut seat 31m to move forward or back, and then pulls crank link mechanism, keeps movable plate 31b high speed flat Quietly do molding and die sinking movement.Positioning bearing 31i and radial thrust bearing 31q combines the high rigidity branch to form ball screw Support, can permit high speed rotation ball screw.Injection molding arrangement at one end, substantially increases the utilization efficiency of factory floor space.

In the present embodiment, the structure of the adjusting device 34 for Jet forming machine closing unit 3 referring to Figure 16 (a)~(b), The adjusting device 34 is set on the tailgate 31e of the closing unit of Jet forming machine, for driving closing unit relative to by more The guide rail of a pull rod 31a composition is mobile, is arranged in the band of each pull rod 31a tail end including gear motor 34h, chain 34f and respectively Sprocket wheel mode transfer screw 34c, gear motor 34h drive the synchronous rotation of the belt sprocket mode transfer screw 34c on each pull rod 31a through chain 34f Turn, which further includes clamping plate 34e, clamping plate 34e and tailgate 31e the separation two sides belt sprocket mode transfer screw 34c, at least two band chains Taking turns mode transfer screw 34c is one group of shared clamping plate 34e, and spacing fixed link 34d is connected between clamping plate 34e and tailgate 31e.More Specifically: plate thrust bearing 34q is put down with rear before the front and rear sides of the belt sprocket mode transfer screw 34c in the present embodiment are respectively equipped with Plate thrust bearing 34r.Gear motor 34h is set on tailgate 31e by motor base 34i, and is driven by active minor sprocket 34a Chain 34f movement, motor base 34i can be rotated centered on active minor sprocket 34a, and be additionally provided on motor base 34i driven Minor sprocket 34b, driven minor sprocket 34b are prejudicially set on motor base 34i relative to active minor sprocket 34a.Each belt sprocket tune Mould screw 34c is located at the inside chain 34f, and driven minor sprocket 34b and active minor sprocket 34a live apart inside and outside chain 34f.This reality It applies in example, idle pulley 34g is additionally provided on tailgate 31e.Idle pulley 34g is located on the outside of chain 34f.Idle pulley 34g is used for and driven minor sprocket 34b and active minor sprocket 34a cooperation, chain 34f is tensioned.Guide rail in the present embodiment is by four distributions in the pull rod of rectangle 31a is formed, and the belt sprocket mode transfer screw 34c on two neighboring pull rod 31a is one group and shares a clamping plate 34e.Further, Adjusting device 34 in the present embodiment further includes positioned at the side tailgate 31e and along two strokes of pull rod 31a length direction arrangement Switch 34m and the compression bar 34j, two travel switch 34m for being connected on tailgate and being located between two travel switch 34m It is preferably disposed on the switch base 34k of the side tailgate 31e.Travel switch 34m and compression bar 34j cooperates, for exchanging line Cheng Jinhang limit.

The adjusting device 34 of the present embodiment is installed on tailgate 31e, mobile entire when for replacing the mold of different-thickness Closing unit, lucky clamping mold when enabling to mold, and reach suitable clamp force.When work, gear motor 34h driving is actively Minor sprocket 34a rotation, draw chain 34f make four belt sprocket mode transfer screw 34c rotations.Belt sprocket mode transfer screw 34c and pull rod 31a is spun together, and is clipped between clamping plate 34e and tailgate 31e.Spacing fixed link 34d is determined between clamping plate 34e and tailgate 31e Distance, guarantee the general 0.1mm of reasonable clearance between belt sprocket mode transfer screw 34c and clamping plate 34e and tailgate 31e, can be opposite Tailgate 31e spacing it is freely rotated.Thus belt sprocket mode transfer screw 34c rotation moves tailgate 31e along pull rod 31a, changes and moves The clamped position of movable plate 31b achievees the purpose that adjust mold thickness.Driven minor sprocket 34b is installed on molding motor seat 34i, It is tensioned for chain 34f.Tensioning method is: rotating molding motor seat 34i centered on active minor sprocket 34a, makes driven chainlet It takes turns 34b beat, compress chain 34f, reach tensioning purpose.Every two belt sprocket mode transfer screw 34c shares a clamping plate 34e, adjusts It is not easy in mold process stuck.Entire adjusting device is simple, efficient, stable.

In the present embodiment, the structure of the injection member 32 for Jet forming machine is referring to Figure 12 (a)~(b), comprising: injection Unit, the nozzle for being connected to injecting unit one end and for drive the injection member 32 move penetrate shifting unit；Injecting unit By cabinet 32g, the ball screw drive component being set in cabinet 32g and for driving ball screw drive component to act Servo motor component is constituted, and nozzle is connected to the front end of injecting unit, and ball screw drive component passes through injection force snesor 32h It is sequentially connected with injection screw 32f, and injection screw 32f is driven to move back and forth.More specifically: the ball screw in the present embodiment Transmission component includes: injection ball screw 32p, injection transmission shaft 32k and guide plate 32i；Wherein injection transmission shaft 32k is hollow Structure is sheathed on outside the nut portions of injection ball screw 32p, is rotatably connected with cabinet 32g, and is used for and servo motor component Transmission connection, guide plate 32i be connected to injection ball screw 32p threaded shank front end on, and by injection guided way 32y with Cabinet 32g is slidably connected, for driving injection screw 32f to move back and forth.Further, the rear end of injection screw 32f It is connected with screw rod connecting seat 32z, injection force snesor 32h is set between guide plate 32i and screw rod connecting seat 32z.Guide plate The centre of 32i is connect with the threaded shank of injection ball screw 32p, and injection guided way 32y is by two relative to injection ball spiral shell The symmetrically arranged sliding rail composition of the threaded shank of bar 32p.Transmission shaft 32k is injected respectively by being sheathed on the centripetal of its front and rear Thrust bearing 32j and off-load bearing 32n and cabinet 32g is rotatably connected, and cabinet 32g is also connected with and off-load bearing 32n phase The off-load bearing block 32m matched.The rear end of injection transmission shaft 32k extends back and stretches out cabinet 32g, is used for and servo motor component Transmission connection.Servo motor component includes relative to the injection servo motor 32t of cabinet 32g fixed setting and for that will inject The injection synchronous belt component of servo motor 32t output shaft and injection transmission shaft 32k transmission connection.Injecting synchronous belt component includes set The injection injecting big synchronous pulley 32q, being connected on injection servo motor 32t output shaft set on the injection rear end transmission shaft 32k Active synchronization belt wheel and for connecting the injection synchronous belt 32r for injecting big synchronous pulley 32q and injection active synchronization belt wheel.This Injection servo motor 32t in embodiment is fixed on side outside cabinet 32g by injecting motor seat 32s.In the present embodiment Penetrating and moving unit includes: to penetrate move pedestal slide carriage 32v, penetrate and move base rail secondary 32u and tension cylinder 32w；Shifting pedestal slide carriage 32v is penetrated to set It is placed on cabinet 32g, penetrates and move the sliding that base rail secondary 32u is used to penetrate shifting pedestal slide carriage 32v, tense cylinder 32w for connecting The movable plate 31b of cabinet 32g and Jet forming machine, mould 22 before being close to nozzle in injection.

The course of work of injection member is as follows: tensing cylinder 32w for the movement of entire injection member 32, supports nozzle portion 32a Tight mold note cast gate or disengaging.When machine controller sender is injected, nozzle switching cylinder 32x drives rotary spool 32d rotation 90 Degree, is connected nozzle portion 32a with injecting cavity；Servo motor 32t rotation is injected, injection ball screw is driven by V belt translation 32p --- it is general to be sensed along injection guided way 32y by injection force using heavily loaded big steel ball ball screw rotation, guide plate 32i Device 32h pushes injection screw 32f to advance and injects, keeps pressure.Injection force by injection servo motor 32t controller and injection force Sensor 32h constitutes closed-loop control.Injection is completed, and nozzle switching cylinder 32x driving rotary spool 32d, which is returned, to be turn 90 degrees, injecting cavity It is connected with melten gel component 33, receives the melt that melten gel component 33 comes and injection screw 32f is pushed to retreat.In the closed loop of force snesor Under control, injection screw 32f backing resistance, i.e. back pressure when can accurately control melten gel.Injection components are co-axially mounted into one It is whole, it is conventional to penetrate platform outside that with screw rod displacement part of straight line；By force snesor and servo-control system to injection Pressure, that is, back pressure of glue makees closed-loop control when pressure and melten gel storing；Rotary spool is placed vertically, convenient for excretion gap defective material.

In the present embodiment, the structure of the nozzle for injection (mo(u)lding) machine injection member 32 is referring to Figure 13~14, including nozzle Ontology, injection screw 32f, bridge joint connecting hole and nozzle switch, in which: nozzle body interior has fluid channel, and is equipped with and penetrates Nozzle thermocouple 32e,；Injection screw 32f is inserted in fluid channel rear portion, and may be axially movable；Bridge connecting hole and injection Fluid channel in front of screw rod 32f is connected, for connecting bridge joint 33a, and the melten gel channel by being set to inside bridge joint 33a Receive melten gel；Connection and bridge joint connecting hole rear fluid channel of the nozzle switch for fluid channel before and after switching bridge connecting holes With the connection in the melten gel channel of bridge joint 33a.More specifically: the nozzle ontology of the present embodiment is penetrated by penetrate nozzle flange 32c and being connected to The nozzle portion 32a of the front end nozzle flange 32c is formed, and the junction of fluid channel and bridge joint connecting hole is located on penetrate nozzle flange 32c.It penetrates Bottle neck 32a is coated with heater 32b.Nozzle switch in the present embodiment is including rotary spool 32d and for driving rotary valve The spool driving assembly of core 32d rotation, rotary spool 32d are inserted in fluid channel and bridge the junction of connecting hole, the rotation Spool 32d is equipped with three through-holes, and the connection and bridge joint connecting hole rear fluid to fluid channel before and after switching bridge connecting holes are logical The connection in road and the melten gel channel of bridge joint 33a.It is preferred that above-mentioned three through-hole is in T shape, spool driving assembly is for driving rotary valve Core does 90 ° of reciprocally swingings.At this point, two be oppositely arranged in three through-holes are logical before and after bridging connecting hole when fluid channel connection Hole will bridge fluid channel connection before and after connecting hole, another through-hole bridges connecting hole backwards；When bridge joint connecting hole rear stream When body channel is connected to the melten gel channel of bridge joint 33a, orthogonal two through-holes will bridge connecting hole rear stream in three through-holes Body channel is connected to the melten gel channel of bridge joint 33a, another through-hole bridges connecting hole backwards.Rotary spool in the present embodiment 32d is equipped with multiple tracks damping slot 32d1, is equipped with the duct that gathers materials in rotary spool 32d, the input end in the duct that gathers materials is by being set to one Aperture in road damping slot 32d1 is connected with damping slot 32d1, and the end of rotary spool 32d is led in outlet end.Further Ground, rotary spool 32d is vertically arranged in the present embodiment, and the bottom end of rotary spool 32d passes through nozzle ontology and is located at nozzle ontology The bottom end of rotary spool 32d is led in lower section, the outlet end in the duct that gathers materials.Facilitate excretion gap defective material.Spool in the present embodiment Driving assembly include successively with the rotary spool 32d crank link mechanism connecting and nozzle switching cylinder 32x.In the present embodiment Fluid channel is made of the nozzle chamber and injecting cavity being one in front and one in back connected, and bridge joint connecting hole is set to nozzle chamber and injecting cavity Junction, injecting cavity shape match with injection screw 32f.The part that injection screw 32f is protruded into fluid channel offers more Road compensating groove 32f1.Compensating groove 32f1 can effectively limit the leakage of the melten gel under high pressure, height pressure resistance.In the present embodiment further It is preferred that injection screw 32f is in tip bar shape structure, compensating groove 32f1 is set to the columnar part of injection screw 32f.And into One step, injection screw 32f is equipped with discharging duct 32f2, and the input end of discharging duct 32f2 is by being set to one of compensating groove Aperture in 32f1 is connected with compensating groove 32f1, outlet end --- i.e. and porus excretorius 32f3 is located at the rear portion injection screw 32f.It is logical Setting discharging duct 32f1 is crossed, leakage melten gel is discharged with orientation.The melten gel of the end injection screw 32f is updated by leakage, effectively Avoid the problem that screw head padding is detained and pollution degradation product for a long time.The rear end of the injection screw 32f of the present embodiment is also set There is a groove profile axle journal 32f4.The groove profile axle journal 32f4 is used to connect with the element of driving injection screw 32f movement, and then realizes pine Move back function.

In the present embodiment, the structure of the melten gel component 33 for Jet forming machine is referring to Figure 15 (a)~(b), including barrel 33e, bridge joint 33a, melten gel screw rod 33f, melten gel screw drive component and melten gel component moving assembly be wherein: barrel 33e have into Material mouth, and outside is enclosed with Heating tube 33g；Bridge joint 33a is vertically connected at the front end barrel 33e, and is connected with barrel 33e, uses It is connect in injection member 32, to provide melten gel, and the outside for bridging 33a is enclosed with Heating tube 33g；Melten gel screw rod 33f, wears In in barrel 33e, for melten gel screw drive component for driving melten gel screw rod 33f to rotate, melten gel component moving assembly is used for melten gel Component 33 is servo-actuated with injection member 32.More specifically: in the present embodiment, the bridge joint 33a in the present embodiment passes through right angle flange 33b is vertically connected at the front end of barrel.Melten gel screw drive component includes that the melten gel servo motor 33m of transmission connection and melten gel subtract Fast machine 33k, melten gel speed reducer are sequentially connected by melten gel transmission shaft 33n and melten gel screw rod 33f.Melten gel component moving assembly includes Melten gel guideway 33r, melten gel guideway 33r are set on melten gel bracket 33s, melten gel bearing block 33j and barrel seat 33h with it is molten Front rail secondary 33r is slidably connected.Melten gel component 33 is slided along guideway 33r by under the drive of injection member 32, thus Realize the synchronizing moving with injection member 32.The melten gel component 33 further includes the melten gel bearing block 33j and barrel being detachably connected Seat 33h, the tail end of barrel 33e are fixed on barrel seat 33h, and the tail end of melten gel screw rod 33f is connected with axis by connecting flange 33i It holds, which is rotatably connected with melten gel bearing block 33j, and melten gel screw drive component is set on melten gel bearing block 33j, and with Melten gel screw rod 33f transmission connection.The melten gel component 33 further includes melten gel screw rod mobile cylinder 33p, melten gel screw rod mobile cylinder 33p Cylinder body and cylinder rod connect respectively with melten gel bearing block 33j and barrel seat 33h.Melten gel screw rod mobile cylinder 33p can be moved axially Dynamic melten gel screw rod 33f, the back work when shutting down cleaning residue glue, dismounting melten gel screw rod 33f.The melten gel component 33 further includes multiple Melten gel thermocouple 33c, for measuring the temperature of barrel 33e.Heating tube 33g and melten gel thermocouple 33c are melten gel temperature control box 33d's The lower cooperation of control, makees accurate temperature control to barrel, preheats plastic pellet and keep the temperature.

When melten gel 33 melten gel of component, Heating tube 33g makes barrel 33e, right angle flange 33b, bridge joint 33a be preheating to specified temperature Degree, melten gel screw drive Component driver melten gel screw rod 33f rotation, makes solid plastics continuously enter barrel from feeding inlet 33e, heating squeeze, shearing, and plastifying fusion is at melt.Melt squeezes into injection member 32 by right angle flange 33b, bridge joint 33a. The present embodiment leads to by the way that melten gel component 33 is independent from conventional melten gel injection member, and with other injection member 32 Bridge joint 33a connection is crossed, melten gel component 33 is preferably set to 32 side of injection member in practice, i.e., the two is set side by side, and It moves synchronously；Melten gel movement is independently of other movements such as injection, molding, thus melten gel can be synchronized in other movements, keeps away Exempt from melten gel and occupy cycle time, improves efficiency.

The injection molding technique of Jet forming machine in the present embodiment, comprising the following steps:

Preceding mould 21 on S1:N closing unit 3 is N number of with corresponding rear mold group respectively under the drive of transmission device 31 Rear mold 21 molds, and melten gel injection member injects die cavity by plastic molting and by preceding mould 22, carries out the injection moulding of product；

S2: die sinking；

S3: revolving die platform 1 rotates, and the position of two rear mold groups is exchanged；

S4: product is taken out；

S5: circulation executes step S1~S4.

Preferred steps S4 is synchronous with step S1 in the present embodiment carries out.The step 4 of the present embodiment is preferably also included in taking-up After product the step of being packed into inserts in rear mold 21.

Specifically, melten gel/injection/nozzle valve can starts work under molding state；Can have under injection state ejection/ Blowing/vacuum/takes finished product to act；There can be revolving die/melten gel/vacuum mold insert/nozzle valve to close movement under die opening state.This can Inserts is put in another two sets of pickups while to realize four sets of rear molds, two sets of injection moulding, and subsequent cycle then is adjusted, and original has been injected into Two sets of rear mold pickups of type, module injection molding after former pickup puts two sets of inserts, two sets of preceding moulds then can pickup be bumped into it is embedding It is uninterruptedly injected while part.One cyclic process only needs 4.0s.And conventional injection (mo(u)lding) machine is mainly by rack 6, routine Injecting unit 7, conventional single mold 8, conventional closing unit (conventional mechanical reaming type closing unit 9 or conventional direct pressure unit 10) and controller 4 and security protection cover plate 5 form, and structure is referring to Fig. 1~2.The injection molding process of the present embodiment is compared The time is greatly saved in regular injection moulding process flow process (as shown in figure 3, needing 9.0s).

In short, the utility model may be implemented to install multiple sets of molds on a machine, the existing synchronization of multiple sets of molds also has friendship Temporary substitute is made, and asking for pressure maintaining cooling cannot be injected when taking product and being packed into inserts by avoiding conventional Jet forming machine one set of die Topic also achieves mould utilization rate before improving mold especially hot runner mould, improves mechanical stability against short circuit, factory floor space utilization rate, subtract It is few artificial.The injection molding technique of the utility model can with multi-mould, more movement it is synchronous and alternately, realize it is conventional project at The process that type machine cannot achieve reaches higher working efficiency.

The above-mentioned description to embodiment is for ease of ordinary skill in the art to understand and use the invention.It is ripe The personnel for knowing art technology obviously easily can make various modifications to these embodiments, and general original described herein It ought to use in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to the above embodiments, this Field technical staff announcement according to the present utility model, does not depart from improvement that the utility model scope is made and modification all should It is within the protection scope of the utility model.

Claims (10)

1. a kind of nozzle for Jet forming machine injection member characterized by comprising

Nozzle ontology, inside have fluid channel,

Injection screw (32f), is inserted in fluid channel rear portion, and may be axially movable,

Connecting hole is bridged, is connected with the fluid channel in front of injection screw (32f), for connecting bridge joint (33a), and by setting It is placed in the internal melten gel channel of bridge joint (33a) and receives melten gel,

Nozzle switch, connection and bridge joint connecting hole rear fluid channel and bridge for fluid channel before and after switching bridge connecting holes Connect the connection in the melten gel channel of (33a).

2. a kind of nozzle for Jet forming machine injection member according to claim 1, which is characterized in that described penetrates Nozzle switch includes rotary spool (32d) and the spool driving assembly for driving rotary spool (32d) to rotate, the rotary valve Core (32d) is inserted in fluid channel and bridges the junction of connecting hole, which is equipped with three through-holes, to switch Bridge the company of the connection of connecting hole front and back fluid channel and the melten gel channel of bridge joint connecting hole rear fluid channel and bridge joint (33a) It is logical.

3. a kind of nozzle for Jet forming machine injection member according to claim 2, which is characterized in that described three Through-hole is in T shape, and the spool driving assembly is for driving rotary spool to do 90 ° of reciprocally swingings；

Before and after bridging connecting hole when fluid channel connection, two through-holes being oppositely arranged in three through-holes will be bridged before and after connecting hole Fluid channel connection, another through-hole bridge connecting hole backwards；

When bridge joint connecting hole rear fluid channel is connected to the melten gel channel for bridging (33a), orthogonal two in three through-holes A through-hole will bridge connecting hole rear fluid channel and be connected to the melten gel channel for bridging (33a), another through-hole is backwards to bridge joint Connecting hole.

4. a kind of nozzle for Jet forming machine injection member according to claim 2, which is characterized in that the rotation Rotary plate (32d) is equipped with multiple tracks damping slot (32d1), and the duct that gathers materials is equipped in rotary spool (32d), the duct that gathers materials Input end is connected by the aperture being set in one of damping slot (32d1) with the damping slot (32d1), and rotation is led in outlet end The end of spool (32d).

5. a kind of nozzle for Jet forming machine injection member according to claim 4, which is characterized in that the rotation Rotary plate (32d) is vertically arranged, and the bottom end of rotary spool (32d) passes through nozzle ontology and is located at below nozzle ontology, and gather materials hole The bottom end of rotary spool (32d) is led in the outlet end in road.

6. a kind of nozzle for Jet forming machine injection member according to claim 2, which is characterized in that the valve Core driving assembly includes the crank link mechanism and nozzle switching cylinder (32x) successively connecting with rotary spool (32d).

7. a kind of nozzle for Jet forming machine injection member according to claim 1, which is characterized in that the stream Body channel is made of the nozzle chamber and injecting cavity being one in front and one in back connected, and bridge joint connecting hole is set to the company of nozzle chamber and injecting cavity Place is met, injecting cavity shape matches with injection screw (32f).

8. a kind of nozzle for Jet forming machine injection member according to claim 1, which is characterized in that the note It penetrates the part that screw rod (32f) protrudes into fluid channel and offers multiple tracks compensating groove (32f1).

9. a kind of nozzle for Jet forming machine injection member according to claim 1, which is characterized in that the note Screw rod (32f) is penetrated equipped with discharging duct (32f2), the input end in the discharging duct (32f2) is by being set to one of off-load Aperture in slot (32f1) is connected with the compensating groove (32f1), and outlet end is located at the rear portion injection screw (32f).

10. a kind of nozzle for Jet forming machine injection member according to claim 1, which is characterized in that described The rear end of injection screw (32f) is equipped with a groove profile axle journal (32f3), which is used for dynamic with driving injection screw The element of work connects, to realize that pine moves back function.