CN103722664B - Injection molding machine for bimaterial molding and control method thereof - Google Patents
Injection molding machine for bimaterial molding and control method thereof Download PDFInfo
- Publication number
- CN103722664B CN103722664B CN201310187883.7A CN201310187883A CN103722664B CN 103722664 B CN103722664 B CN 103722664B CN 201310187883 A CN201310187883 A CN 201310187883A CN 103722664 B CN103722664 B CN 103722664B
- Authority
- CN
- China
- Prior art keywords
- decking
- rotation
- movable
- mould
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
- B29C45/1628—The materials being injected at different moulding stations using a mould carrier rotatable about an axis perpendicular to the opening and closing axis of the moulding stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/68—Mould opening, closing or clamping devices hydro-mechanical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
- B29C2045/1792—Machine parts driven by an electric motor, e.g. electric servomotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76177—Location of measurement
- B29C2945/76314—Auxiliary devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76595—Velocity
- B29C2945/76598—Velocity linear movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76595—Velocity
- B29C2945/76605—Velocity rotational movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76822—Phase or stage of control
- B29C2945/76866—Mould closing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76929—Controlling method
- B29C2945/76936—The operating conditions are corrected in the next phase or cycle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
- B29C45/0441—Injection moulding apparatus using movable moulds or mould halves involving a rotational movement
- B29C45/045—Injection moulding apparatus using movable moulds or mould halves involving a rotational movement mounted on the circumference of a rotating support having a rotating axis perpendicular to the mould opening, closing or clamping direction
Abstract
A kind of injection molding machine for bimaterial molding and control method thereof, have and make different resin material plasticizings respectively and two groups of injecting units (11 of injection fillers, 12), wherein, mold closing mechanism is for making three riggings (2, 3, 9) the hydraulic mould-matching unit of matched moulds while, movable decking opening/closing unit (14) is the movable decking opening/closing unit driven by motor, rotating decking opening/closing unit (15) is the rotation decking opening/closing unit (14) driven by motor, the rotary unit rotating decking (9) is the rotating driving device driven by the motor being installed on reversion platform (7).
Description
The application to be that on June 4th, 2010 submits to, application number be 200880119168.7, denomination of invention is the divisional application of the application of " injection molding machine for bimaterial molding and control method thereof ".
Technical field
The present invention relates to following injection molding machine for bimaterial molding: from two groups of injecting units respectively to the mould by movable decking, two different types of resins of cavity injection of the mould formation of the mould fixing decking and the two sides being arranged at the rotation decking between two deckings, make rotation decking revolve turnback and carry out two layers of injection, bi-material is one-body molded, especially the mobile unit being provided with the translational speed easily controlling movable decking and rotate decking is related to, with the easy injection molding machine for bimaterial molding and the translational speed that control the rotary unit of the rotary speed rotating decking, the control method of rotary speed.
Background technology
By injection moulding machine obtain unlike material, different color products formed forming method one example, there is following method: make the injection mo(u)lding in primary side mould of a kind of resin material, these one-shot forming product are put into the mould of secondary side, in the die cavity of this secondary side and the gap of one-shot forming product, make another kind of resin material injection mo(u)lding, and have the motion (with reference to patent document 1 and 2) of the shaping injection molding apparatus of various bi-material layers.
For this shaped device, conventional example shown in patent document 1 is described: it provides a kind of injection molding machine for bimaterial molding, from two groups of injecting units to the mould by movable plate, a kind of resin material of interior primary side injection mo(u)lding of two die cavities that the mould of fixed disk and the mould of two sides being arranged at the rotating disc between two dishes are formed, rotating disc is made to revolve turnback, the another kind of resin material of cavity injection to secondary side, make bi-material one-body molded, wherein, the movement of rotating disc is undertaken by intrinsic hydraulic cylinder, the opening and closing of movable plate is by through movable plate, rotating disc, the hydraulic cylinder that fixed disk and the plunger (ram) of the end of tie-rod that arranges and the cylinder being fixedly installed on fixed disk are formed carries out, the rotation of rotating disc is undertaken by not specific rotary drive unit.In addition, by the matched moulds after movable plate, rotating disc, fixed disk mold closing, undertaken by the closing liquid cylinder pressure be made up of the hydraulic cylinder in large footpath and the plunger that can slide in this hydraulic cylinder that are built in fixed disk, but the plunger in this large footpath have can with the function of tie-rod clutch.
The shaping of this injection moulding machine act as, make rotating disc near fixed disk side with intrinsic hydraulic cylinder, movable plate is made to move to fixed disk side by the hydraulic cylinder be located between the end of tie-rod and fixed disk, carry out mold closing, movable plate is made by described closing liquid cylinder pressure, rotating disc matched moulds hydraulic oil is boosted together, from an injecting unit to a kind of resin material of the die cavity injection mo(u)lding of primary side, make the anti-turnback of rotating disc, again make movable plate, rotating disc is matched moulds together, from another injecting unit to the another kind of resin material of the cavity injection of secondary side, make bi-material one-body molded.
In addition, many materials injection moulding machine of the conventional example shown in patent document 2 is for using by fixed die, But moving die, the mould that the rotation mould that rotates between fixed die and But moving die is formed and make the forming machine of many materials products formed, it is made up of such as lower component: to as described in the first injection device of fixed die injected molten material, to the second injection device of described But moving die injected molten material, described rotation mould is rotated freely and is movably supported on the rotation die support device of fixed disk to But moving die side, and the compression unit of fixed die and But moving die compression matched moulds is made across described rotation mould.
The shaping effect of this injection moulding machine is almost identical with the injection moulding machine of patent document 1.
Patent document 1: Japanese Patent Publication 3-51207 publication (the 1st figure)
Patent document 2: Japanese Unexamined Patent Publication 2006-168223 publication (Fig. 1)
But, in the conventional example of patent document 1, carry out the mould opening and closing of movable plate, rotating disc with hydraulic cylinder, but mould weight is large, therefore be difficult to the control carrying out the high speed of the precision corresponding with the variations in temperature of the hydraulic oil in work, position, when carrying out mould opening and closing at a high speed, may burn failure be made.In addition, when making the mould opening and closing horizontal movement of the mould opening and closing of movable plate and rotating disc by the hydraulic system of shared hydraulic pump, to the instability of flow of the hydraulic oil of each mould opening and closing hydraulic cylinder supply, action may be caused not steady, therefore, the high speed of mould on-off action that hydraulic cylinder carries out is not easy to realize.Rotary drive unit for rotating disc does not mention, but rotating disc is also that weight is large, and turning moment is also large, therefore, uses when hydraulic cylinder or fluid pressure motor and there is problem similar to the above.
In addition, in the conventional example of patent document 2, the same with the conventional example of patent document 1, driver element for mould movement is the use of the drive unit of hydraulic cylinder, and replace hydraulic-driven also can use rectilinear movement unit, the rotary unit of servomotor and ball-screw, but in the explanation of embodiment, be hydraulic-driven.In addition, rotation mould rotated freely and is movably supported on from the parts that fixed disk stretches out to But moving die side, but owing to being cantilever section, not being the structure with abundant rigidity, therefore, being difficult to the rotation mould do not bent, taking the weight of is large accurately.Owing to having added rotating disc between the fixed disk of original forming machine and the stroke of movable plate, therefore, the spinning movement of the rotating mould large relative to transverse width, is difficult to the sufficient shift motion obtaining movable plate and rotating disc.In addition, the parts extended from fixed disk of support rotary mould are two-piece unit, must be installed on fixed disk respectively up and down, be difficult to make upper and lower rotary middle spindle concentric, may produce the unfavorable condition such as adhesion, wearing and tearing of bearing portion when rotating mould and rotating.In addition, two side molds and mould rotating shaft being made integrative-structure to alleviate the weight of rotary die, therefore not easily carrying out the replacing of mould.
Summary of the invention
The present invention be directed to above-mentioned problem to develop, its object is to provide a kind of mould driver element, even if it is when making the mould opening and closing high speed motion of the rotation mould of die change of available standards, movable plate, rotating disc, also can high accuracy and stably carry out work running.
In order to solve the present invention first technical scheme of described problem, a kind of injection molding machine for bimaterial molding is provided, have and the reversion platform that can arrange movably to same direction with movable decking between the movable decking of drawer at movable side mould and the fixing decking being provided with fixed side mold is being installed, can on this reversion platform rotating 180 deg and be provided with on two sides chimeric with described drawer at movable side mould and fixed side mold and form the rotation decking of the mould of die cavity, movable decking is made to carry out the movable die-filling template die opening/closing unit of mould opening and closing, rotation decking is made to carry out the die-filling template die opening/closing unit of rotation of mould opening and closing, the closing unit of matched moulds while of described three riggings is made after closing molding, and make two groups of injecting units of different resin material difference plasticizations and injection fillers, it is characterized in that, mold closing mechanism is the hydraulic mould-matching unit of matched moulds while of making three riggings, movable decking opening/closing unit is the movable decking opening/closing unit driven by motor, rotating decking opening/closing unit is the rotation decking opening/closing unit driven by motor, the rotary unit rotating decking is the rotary drive unit driven by the motor being installed on reversion platform.
The present invention second technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, hydraulic mould-matching unit is by the multiple hydraulic cylinder devices be built in fixing decking, to be combined with the plunger of this air cylinder device and with can the tie-rod of multiple front ends trough of belt that arranges of the break-through mode that rotates decking and movable decking, and be located at the outside of movable decking and the split nut that can engage with the groove of described tie-rod is formed, it is the hydraulic mould-matching unit of matched moulds while of making three riggings, movable decking opening/closing unit comprises the ballscrew shaft driven by motor, with the movable decking opening/closing unit of the ball-screw nut screwed togather with described ballscrew shaft be installed on movable decking, rotating decking opening/closing unit is comprise the ballscrew shaft driven by motor, with the rotation decking opening/closing unit of the ball-screw nut screwed togather with described ballscrew shaft be installed on reversion platform, the rotary unit rotating decking is the rotary drive unit of the gear wheel by pinion driving level, described pinion is located on the output shaft of the motor be arranged on reversion platform, described gear wheel is arranged on can on the vertical central shaft positive and negative rotation rotation decking that arrange in 180 degree of reversion platform.
The present invention the 3rd technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, movable decking opening/closing unit comprises the ballscrew shaft that driven by the motor that is fixed on fixing decking or base station and is installed on the ball-screw nut screwed togather with described ballscrew shaft on movable decking.
The present invention the 4th technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, the ball-screw nut screwed togather with described ballscrew shaft that movable decking opening/closing unit comprises ballscrew shaft and is fixedly installed on movable decking, described ballscrew shaft is driven by the motor be fixed on reversion platform, and on the supporting station being fixedly installed on reversion platform, is rotatably limited in direction of principal axis via ball bearing and supports.
The present invention the 5th technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, the rotary unit rotating decking is via toothed belt or chain rack-and-pinion by being arranged at the gear wheel of the motor driving level on reversion platform, and described gear wheel is arranged on and can rotates on the rotation decking that arranges in 180 degree around the vertical central shaft of reversion platform.
The present invention the 6th technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, rotate decking rotary unit by be arranged on reversion platform on and make the motor that rotation decking revolves turnback directly link driving.
The present invention the 7th technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, one group of injecting unit in two groups of injecting units is arranged at fixing decking side and for fixed mould injecting resin, another group injecting unit is arranged at movable decking side and for moveable die injecting resin, and operationally moves with the movement of movable decking.
The present invention the 8th technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, reversion platform arranges alignment pin, the rotation decking that this reversion platform rotates abuts with described alignment pin at its rotation limit place, makes alignment pin project to following position: rotate decking the position of the rotation limit of arrival one side with on the position of the rotation limit of its backhaul with relative decking just right position.
The present invention the 9th technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, comprise: the hydraulically powered mold closing mechanism making matched moulds while of three riggings, make the movable decking opening and closing device that movable decking drives relative to the motor that fixing decking is retreated, make the rotation decking opening and closing device that rotation decking and reversion platform and movable decking drive to the motor of equidirectional action, the reversion platform whirligig that the motor that reversion platform is rotated in the horizontal direction drives, and can control to described each motor action the control device carrying out FEEDBACK CONTROL respectively.
The present invention the tenth technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, comprise: the hydraulically powered mold closing mechanism making matched moulds while of three riggings, make the movable decking opening and closing device that movable decking drives relative to the motor that fixing decking is retreated, make the rotation decking opening and closing device that rotation decking and reversion platform and movable decking drive to the motor of equidirectional action, the reversion platform whirligig that the motor that reversion platform is rotated in the horizontal direction drives, and can control to described each motor action the control device carrying out FEEDBACK CONTROL respectively, at least one motor in described each motor is servomotor.
The present invention the 11 technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, comprise: the hydraulically powered mold closing mechanism making matched moulds while of three riggings, make the movable decking opening and closing device that movable decking drives relative to the motor that fixing decking is retreated, make the rotation decking opening and closing device that rotation decking and reversion platform and movable decking drive to the motor of equidirectional action, the reversion platform whirligig that the motor that reversion platform is rotated in the horizontal direction drives, and can control to described each motor action the control device carrying out FEEDBACK CONTROL respectively, during speeds control in described FEEDBACK CONTROL, speeds control during acceleration or when slowing down carries out acceleration or deceleration with certain amount of taper along a straight line, and, speeds control during acceleration from certain speed or when slowing down, according to a space rate of certain speed and acceleration, or the conic section that a space rate of certain speed and deceleration becomes tangent line respectively carries out speeds control.
The present invention the 12 technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, comprise: the hydraulically powered mold closing mechanism making matched moulds while of three riggings, make the movable decking opening and closing device that movable decking drives relative to the motor that fixing decking is retreated, make the rotation decking opening and closing device that rotation decking and reversion platform and movable decking drive to the motor of equidirectional action, the reversion platform whirligig that the motor that reversion platform is rotated in the horizontal direction drives, and can control to described each motor action the control device carrying out FEEDBACK CONTROL respectively, when reversion platform positions with pin, alignment pin is inserted to alignment pin patchhole in position that can be just right at the decking faced toward with the described rotation decking that rotates on reversion platform.
The present invention the 13 technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, comprise: the hydraulically powered mold closing mechanism making matched moulds while of three riggings, make the movable decking opening and closing device that movable decking drives relative to the motor that fixing decking is retreated, make the rotation decking opening and closing device that rotation decking and reversion platform and movable decking drive to the motor of equidirectional action, the reversion platform whirligig that the motor that reversion platform is rotated in the horizontal direction drives, and can control to described each motor action the control device carrying out FEEDBACK CONTROL respectively, and possess the control device that can carry out following control: when using finger setting on reversion platform, alignment pin is inserted to alignment pin patchhole in position that can be just right at the decking faced toward with the described rotation decking that rotates on reversion platform, and, nearby locate consistent with the alignment pin center of alignment pin insertion apparatus at alignment pin patchhole center, assigned position in the direction of rotation of the reversion platform during reversion platform rotates, the insert action of alignment pin is started.
The present invention the 14 technical scheme, on the basis of the first technical scheme, provides injection molding machine for bimaterial molding, it is characterized in that, the Rib Thickness of described rotation decking reduces gradually outside the mediad of rotation decking.
The present invention the 15 technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, in rotation decking, possesses the drive unit of movable member action in the products formed stripping action carried out in mould, the movable mould such as insert action, gate valve action.
The present invention the 16 technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, in rotation decking, possess the drive unit of movable member action in the products formed stripping action carried out in mould, the movable mould such as insert action, gate valve action, and possess the communicator when the action control of products formed stripper apparatus by transceiving control signal.
The present invention the 17 technical scheme is on the basis of the first technical scheme, injection molding machine for bimaterial molding is provided, it is characterized in that, one group of injecting unit in two groups of injecting units is arranged to retreat relative to fixing decking in fixing decking side, another group injecting unit is arranged to retreat relative to movable decking on the slip base station being fixed on movable decking side, and, when carrying out the mould opening and closing of described movable decking, another group injecting unit described can abut with the mould be installed on described movable decking while mobile.
The present invention the 18 technical scheme provides a kind of control method of injection molding machine for bimaterial molding, it is characterized in that, use the injection molding machine for bimaterial molding described in arbitrary technical scheme in the first to ten seven technical scheme, at movable decking and the mold closing loading the reversion platform rotating decking, matched moulds, the injection fillers of molten resin, cooling, the die sinking that movable decking and loading rotate the reversion platform of decking is moved, rotate 180 degree of rotations of decking, movable decking and loading rotate the mold closing again of the reversion platform of decking, in the molding procedure of matched moulds, accelerated by Motor Control, speed maintains, slow down the shortest with the mould opening and closing traveling time of the reversion platform making movable decking and load rotation decking.
The present invention the 19 technical scheme provides a kind of control method of injection molding machine for bimaterial molding, it is characterized in that, use the injection molding machine for bimaterial molding described in arbitrary technical scheme in the first to ten seven technical scheme, when making the rotation decking on reversion platform revolve turnback, being accelerated by Motor Control rotation, rotary speed maintains, rotating and slow down to spend the shortest rotational time.
The present invention the 20 technical scheme is on the basis of the 18 technical scheme, the control method of injection molding machine for bimaterial molding is provided, it is characterized in that, using the distance needed for the movable decking in movement or the stopping of rotation decking as preventing collision distance, monitor the respective mobile front position of movable decking and mould and rotation decking and mould, the relative position of the mobile front end of two deckings or each mould enter prevent collision distance time, the decking close to a side in moving automatically is made to slow down or stop, thus collision when preventing the opening and closing of movable decking and rotation decking from moving.
The present invention the 21 technical scheme is on the basis of the 18 technical scheme, the control method of injection molding machine for bimaterial molding is provided, it is characterized in that, using the distance needed for the movable decking in movement or the stopping of rotation decking as preventing collision distance, monitor the respective mobile front position of movable decking and mould and rotation decking and mould, the relative position of the mobile front end of two deckings or each mould enter prevent collision distance time, the decking close to a side in moving automatically is made to slow down or stop, thus collision when preventing the opening and closing of movable decking and rotation decking from moving, and, move making the opening and closing of movable decking and rotation decking, when the rotation rotating decking overlaps and carries out, by movable decking position and the position rotating decking, the geomery value of the anglec of rotation and each mould, calculate rotate decking rotate in rotation decking or its mould and fixing decking or its mould, rotate the relative distance between decking or its mould and movable decking or its mould, enter when preventing collision distance and automatically make slow down close to the movement of the decking of a side or the rotation of rotation decking or stop.
According to the present invention, by making mould opening and closing motorized, movable decking can be improved, rotate velocity accuracy, the positional precision of decking, also can collision free even if run up, can prevent colliding the mould caused damaged.
In addition, be provided with each special mobile unit (ballscrew shaft, ball-screw nut, servomotor etc.) of the opening and closing of movable decking and rotation decking, therefore, movable decking and rotation decking can move simultaneously, consider the relative position of movable decking and rotation decking, can while connect one side to control mould opening and closing to it accurately with extracting device of molded article, therefore, be conducive to the shortening of molding cycle, the position reproduction of mould is good, therefore, it is possible to clamping mistake when avoiding products formed to take out.
In addition, by carrying out motorized motions to the reversion rotating decking, the acceleration-deceleration rotated can be carried out smoothly, the beginning of rotation when easily entering line inversion driving, suppress to rotate the control of vibration when stopping and the control of High Rotation Speed, therefore, carry out movable decking even if parallel, rotate the spinning movement of the on-off action of decking and rotation decking, also can by carrying out avoiding the position control contacting, collide to realize shaping high periodization.
In addition, being undertaken directly linking the rotary drive unit driven by servomotor by being formed, not via gear, band, therefore, not producing loosening (click) in the action rotating decking, position control can be carried out better.
In addition, the high speed of reversion and can shorten the time that products formed exposes in an atmosphere for the shortening of the mould opening/closing time reversed, can suppress the temperature with products formed to reduce the unfavorable condition caused.When products formed exposes in an atmosphere, the surface temperature of products formed reduces, and the adhesion for the bi-material layers of bi-material layers integrated molding reduces, and therefore, the practicality that products formed exposes in an atmosphere is 40 seconds to 50 seconds degree, preferably less than 30 seconds.Be more preferably less than 20 seconds.In addition, the high accuracy of rotation stop position controls be conducive to easily and reliably carry out the Qian He with alignment pin, by carrying out motorized motions to the action of most decking, the spatter property of shaped device can be made good.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of the injection molding machine for bimaterial molding of first embodiment of the invention;
Fig. 2 is the figure of the spinning movement of the rotation decking of the injection molding machine for bimaterial molding representing Fig. 1;
Fig. 3 is the side view of the injection molding machine for bimaterial molding of Fig. 1;
Fig. 4 is that the X-X of the schematic configuration of the rotation decking representing Fig. 1 is to side view;
Fig. 5 is the bi-material layers molding procedure figure of injection molding machine for bimaterial molding of the present invention;
The figure preventing collision method when Fig. 6 is the decking opening and closing of the injection molding machine for bimaterial molding that first embodiment of the invention is described;
Fig. 7 is the schematic top plan view of the injection molding machine for bimaterial molding of second embodiment of the invention;
Fig. 8 is the side view of the schematic configuration of the rotation decking representing third embodiment of the invention;
Fig. 9 is the side view of the schematic configuration of the rotation decking representing four embodiment of the invention;
Figure 10 is the key diagram of injecting unit B;
Figure 11 is the stereogram rotating decking;
Figure 12 is the A-A profile of Figure 11.
Label declaration
2 fixing deckings
3 movable deckings
4 fixed side mold
5 drawer at movable side moulds
6A rotary die A
6B rotary die B
7 reversion platforms
9 rotate decking
10,30 injection molding machine for bimaterial molding
11 injecting unit A
12 injecting unit B
14,46 movable decking opening/closing units
15 rotate decking opening/closing unit
16,50,60 rotate decking rotary unit
17 split nuts
18 tie-rods
21 servomotor A
22a, 32a, 47a ball-screw
24,33 ball-screw nuts
31 servomotor B
41 servomotor C
56 servomotor D
Detailed description of the invention
Below, the present invention is explained with reference to accompanying drawing.The present invention does not limit by the present embodiment.In addition, the inscape in following embodiment comprises the key element or key element identical in fact that those skilled in the art can easily expect.
(the first embodiment)
The injection molding machine for bimaterial molding of this embodiment, for injecting different types of resin respectively to two die cavities formed by the mould of movable decking, the mould of fixing decking and the mould of two sides that is arranged at the rotation decking between two deckings, rotation decking is made to revolve turnback and carry out bi-injection, bi-material is one-body molded, wherein, the electric drive unit easily controlled with the driving of the rotation of the movement and rotation decking that rotate decking movable decking is set.
Below, the first embodiment is described with reference to the accompanying drawings.
Fig. 1 is the schematic top plan view of injection molding machine for bimaterial molding of the present invention.Fig. 2 is the figure of the spinning movement of the rotation decking of the injection molding machine for bimaterial molding representing Fig. 1.Fig. 3 is the side view of the injection molding machine for bimaterial molding of Fig. 1.Fig. 4 is that the X-X of the schematic configuration of the rotation decking representing Fig. 1 is to side view.Fig. 5 is the bi-material layers molding procedure figure of injection molding machine for bimaterial molding of the present invention.The figure preventing collision method when Fig. 6 is the decking opening and closing of the injection molding machine for bimaterial molding of key diagram 1.
The formation of injection molding machine for bimaterial molding 10 is described.In these figures, label 1 is base station, is fixedly installed the fixing decking 2 being provided with fixed side mold 4 in one end of this base station 1.On base station 1, relative with fixing decking 2, be placed with movably installed rotary die A (6A), rotary die B (6B) rotation decking 9 and the movable decking 3 of drawer at movable side mould 5 has been installed.
And, as shown in Figure 4, rotate decking 9 and be loaded on reversion platform 7, from fixed angle position positive and reverse return turnback, be positioned at the angle position just right with fixing decking 2, movable decking 3 by the alignment pin 44a of positioner 44 and hydraulic cylinder 48.
The guide rail 19 that movable decking 3 and the reversion platform 7 of rotation placed by decking 9 are fixedly set on base station 1 via not shown linear bearing on base station 1 guides and moves.
In addition, guide the parts of movable decking 3 and the movement of reversion platform 7 to be preferably guide rail 19, but in the present invention, even such as sliding panel etc., also do not have the obstacle in any practical application.
Be provided with chimeric with drawer at movable side mould 5 and fixed side mold 4 and form rotary die A (6A), the rotary die B (6B) of the same shape of die cavity rotating the two sides of decking 9.From two groups of injecting unit A (11), injecting unit B make resin material plasticizing different from each other and (12) respectively to by mold closing mechanism will fixing decking 2, rotate decking 9, movable decking 3 simultaneously matched moulds time two cavity injection being formed fill.
Injecting unit A (11) is arranged at fixing decking 2 side, for to the cavity injection resin formed by fixed side mold 4 and rotary die A (6A) (or rotary die B (6B)), another injecting unit B (12) is arranged at movable decking 3 side, for to the cavity injection resin formed by drawer at movable side mould 5 and rotary die B (6B) (or rotary die A (6A)), move along with the opening and closing of movable decking 3 when its work and move.
At this moment, injecting unit B (12) carries out Long Distances and moves together with movable decking 3, and injecting unit B (12) is placed on slidingtype base station 64, this slidingtype base station 64 is fixedly linked on movable decking 3 via link fixed part 63, therefore, guided movement by slidingtype base station 64 by guide rail 19, injecting unit B (12) can not than the slow movement of movable decking 3, and the movement that can follow.
In addition, in Fig. 3, label 62 is nozzle contact cylinders of injecting unit B (12), and injecting unit B (12) can be made to slide on slidingtype base station 64.On the other hand, in Fig. 3, label 61 is nozzle contact cylinders of injecting unit A (11).
Figure 10 represents the form that nozzle contacts.
As shown in Figure 10, the nozzle 12a of injecting unit B (12) connects with drawer at movable side mould 5, is the state of nozzle contact when mould opening and closing, therefore, while mold closing, boosting terminate, can from nozzle injection resin, and can high periodization.
In addition, when die sinking, nozzle 12a does not leave from drawer at movable side mould 5, therefore, it is possible to prevent resin from hanging from the front end of nozzle 12a.
In addition, due to injecting unit B (12) and movable plate one body action can be made, therefore, it is possible to realize when action starts and action stops time the reduction of impact, and prevent the collision impacting injecting unit B (12) and the mould caused.
Below, the rotary unit movable decking 3 being described, rotating the opening/closing unit of decking 9, rotate decking 9.
Injection molding machine for bimaterial molding 10 bilateral symmetry a pair movable decking opening/closing unit 14 arranging be made up of such as lower component: be fixedly installed on the servomotor A (21) on base station 1 or fixing decking 2, ballscrew shaft A (22), to be fixedly installed on base station 1 or fixing decking 2 and the supporting station 26 making ballscrew shaft A (22) rotatably be constrained in direction of principal axis and support, the ball-screw nut A (24) screwed togather with the ball-screw 22a of ballscrew shaft A (22), ball-screw nut A (24) is installed and the nut support platform 25 be fixedly installed on movable decking 3, and the Poewr transmission mechanism 23 to be transmitted to ballscrew shaft A (22) by the revolving force of servomotor A (21) (such as, gear belt wheel and toothed belt, gear reduction unit etc.), the run-in synchronism of a pair servomotor A (21), make movable decking 3 can carry out opening and closing abreast with fixing decking 2 to move.
Injection molding machine for bimaterial molding 10 bilateral symmetry rotate decking opening/closing unit 15 arrange a pair and be made up of such as lower component: be fixedly installed on the servomotor B (31) on base station 1 or fixing decking 2, ballscrew shaft B (32), to be fixedly installed on base station 1 or fixing decking 2 and the supporting station 34 making ballscrew shaft B (32) rotatably be constrained in direction of principal axis and support, the ball-screw nut B (33) screwed togather with the ball-screw 32a of ballscrew shaft B (32), ball-screw nut B (33) is installed and is fixedly installed on the nut support platform 35 on reversion platform 7, and the Poewr transmission mechanism 36 to be transmitted to ballscrew shaft B (32) by the revolving force of servomotor B (31) (such as, gear belt wheel and toothed belt, gear reduction unit etc.), the run-in synchronism of a pair servomotor B (31), make reversion platform 7 can carry out opening and closing abreast with fixing decking 2 to move.
Rotate decking rotary unit 16 as shown in Figure 4, be make rotation decking 9 to the rotary drive unit of both forward and reverse directions half revolution, it is made up of such as lower component: the servomotor C (41) being installed on reversion platform 7, the pinion 42 being installed on servomotor C (41), the gear wheel 43 arranged integratedly with rotation decking 9 engage with pinion 42, rotate decking 9 at the position of fixing decking 2 (or movably decking 3) and the alignment pin 44 of locating in the position of revolving turnback from this position.In addition, label 8 is and the lower shaft rotating decking 9 one, can rotate via bearing relative to reversion platform 7.
Thereby, it is possible to realize high-precision location.
When this location, also on the position just right at the decking faced toward with the above-mentioned rotation decking 9 that rotates on described reversion platform 7, by above-mentioned hydraulic cylinder 48, alignment pin 44a can be inserted to not shown alignment pin patchhole.
In addition, also can possess the control device that can carry out following control: the front consistent with the above-mentioned alignment pin center of alignment pin insertion apparatus, alignment pin patchhole center position, the platform that reverses rotate in reversion platform direction of rotation assigned position on, the insert action of alignment pin 44a is started.
Thereby, it is possible to realize shaping high periodization.
In addition, in the control of the servomotor C (41) of the spinning movement of driver inversion platform 7, when inserting alignment pin 44a, if stop the control of a part for the position control of servomotor C (41), can't help servomotor and carry out the location of platform 7 of reversing, and undertaken by the profiling of the machinery of alignment pin, then can ignore the position of rotation failed areas of the reversion platform 7 caused by the backlash of pinion 42 and gear wheel 43, fluctuation when can prevent micro-low speed rotation from controlling.In this situation, the patchhole of alignment pin 44a is preferably the large cone-shaped slightly in pin side.
Hydraulic mould-matching unit as shown in Figure 1, for making the hydraulic mould-matching unit of three riggings 2,9,3 simultaneously matched moulds, it is made up of such as lower component: be built in four hydraulic cylinder 2a in fixing decking 2, be combined with the plunger 18b of this cylinder 2a and four tie-rods 18 at front end band cannelure 18a arranged in the mode of the movable decking of break-through 3, be located at movable decking 3 outside and four groups of split nuts 17 that can engage with the cannelure 18a of tie-rod 18.
Below, the operation of the bi-material layers injection mo(u)lding of injection molding machine for bimaterial molding 10 is described with reference to Fig. 5.
As shown in Figure 5, make rotation decking 9 and movable decking 3 after the initial mold closing of fixing decking 2 mold closing, hydraulic cylinder 2a is utilized to carry out matched moulds, the Resin A of melting is filled from injecting unit A (11) to the cavity injection formed by rotary die A (6A) and fixed side mold 4, this state is kept certain hour and cools, estimate the time of Resin A solidification, make movable decking 3 and load reversion platform 7 die sinking rotating decking 9 move and make each decking 2, 9, 3 separate sufficient interval, after making rotation decking 9 revolve turnback, again make movable decking 3 and rotate decking 9 mold closing.
This molding procedure again after mold closing is after carrying out the matched moulds that hydraulic cylinder 2a causes, the Resin A of melting is filled from injecting unit A (11) to the cavity injection formed by rotary die B (6B) and fixed side mold 4, simultaneously, the resin B of melting is filled from injecting unit B (12) to the cavity injection formed by the products formed be attached to rotary die A (6A) and drawer at movable side mould 5, make the bi-material layers products formed of bi-material layers overlap, this state is kept certain hour and cools, estimate the time of Resin A and B both sides' solidification, make movable decking 3 and be mounted with reversion platform 7 die sinking rotating decking 9 move and make each decking 2, 9, 3 separate sufficient interval, the bi-material layers products formed be attached on drawer at movable side mould 5 is taken out after outside machine, rotation decking 9 is made to revolve turnback.
Movable decking 3 after this moment, the mold closing rotating decking 9 and fixing decking 2, molding procedure repeat the molding procedure after above-mentioned mold closing again.
Carry out the injection fillers action of injecting unit A (11) and injecting unit B (12) in Fig. 5 simultaneously, but in mould 4 and mould 5, carry out different shaping, such as injection compression molding or foaming, foaming with gas respectively, when to be insert molded etc., the injection fillers action of injecting unit A (11) and injecting unit B (12) also can be carried out in order.
The decking weight being provided with mould is large, and the selection of translational speed and acceleration must be prudent.
Such as the mould making products formed (the bi-material layers products formed of size 1550mm × 1200mm), the weight of rotary die is 18 tons (9 tons/1 × 2), the weight of the rotation decking 9 rotated for making this mould is 20 tons, therefore, the acceleration power needed during higher translational speed is selected to become large, or expend time in when accelerating, larger burden is brought to driver element.In addition, acceleration sharply, slowing down becomes the main cause of vibration.
Hydraulic drive unit is suitable for large driving force, but this unit, when moving heavy object, is difficult to correctly control position and expending time in.Recently, the high capacity as the ball-screw of precision actuation unit is developed, and the mobile unit for quite heavy weight also can use this ball-screw apparatus.The ball-screw apparatus driven by servomotor carries out programme-control to the rotating speed of servomotor, can easily carry out the translational speed of driven object and the control of stop position thus.
In the movable decking 3 of injection molding machine for bimaterial molding 10 and the mobile unit of rotation decking 9, also servomotor and ball-screw driver element can be used, in not shown control device, will speed up the acceleration curve (such as Sin curve) that (deceleration) is programmed for action smoothly, the program of establishment speed and position control, control servomotor, can carry out adjustably in the following manner setting input: be that the shortest speed moves with the mould opening and closing traveling time making movable decking 3 and be mounted with the reversion platform 7 rotating decking 9.High-precision action can be realized by setting servomotor.
In addition, the control device that can control to carry out FEEDBACK CONTROL respectively to each motor action also can be set, carry out FEEDBACK CONTROL.
Thereby, it is possible to realize the high speed in bi-material layers shaping cycle, in addition, high-precision action can be realized.
And, in speeds control under the feedback control, in speeds control when accelerating or when slowing down, acceleration or deceleration is carried out along a straight line with certain amount of taper, and, speeds control when accelerating from certain speed or when slowing down, the conic section becoming tangent line according to certain speed and a space rate of acceleration or a space rate of certain speed and deceleration respectively carries out speeds control, thus can realize level and smooth control.
Thus, impact when speed switches can being relaxed, the overcurrent of motor can be prevented, can preventing by impacting the damage of action component elongate member life-span that bring.
The revolution speed control method rotating decking 9 is, in not shown control device, with set adjustably input rotary acceleration, rotary speed mode work out rotary speed control program, control servomotor, when revolving turnback to make the rotation decking 9 on reversion platform 7, become the shortest rotational time.
In addition, the thickness of the reinforcement 9a of above-mentioned rotation decking 9 as shown in Figure 11,12, also can reduce gradually to alleviate its weight outside the mediad of rotation decking.
Thereby, it is possible to realize the reduction of rotatory inertia with the minimizing from the pivot distally weight of side, its result can realize saving energy, high responsiveness, high-precision control.
In addition, also in rotation decking 9, the drive unit of movable member action in the products formed stripping action in mould, the movable mould such as insert action, gate valve action can be possessed, carries out the molding of products formed.
Thus, the products formed stripper apparatus of the products formed demoulding can not be needed in die side, can mould structure be simplified.Its result, can the drive unit of movable member action in general above-mentioned mould in different mould, therefore, it is possible to be reduced in the manufacturing cost of the mould that different in often kind of products formed, often kind of products formed all needs.
At this moment, in the action control of the stripper apparatus of products formed, also can possess and send by radio the communicator accepting control signal, realize alleviating of weight by the simplification of distribution and the minimizing of distribution component.
Thus, do not need communications patching to be set as the slip form under wireline case, can distribution be simplified.Its result, can make the lightweight of rotation decking.
The decking collision method that prevents each other is, if the reversion platform 7 making movable decking 3 or mounting rotate decking 9 stops required distance for preventing collision distance e (not charging in the drawings), monitor the respective position of movable decking 2, movable decking 3 and rotation decking 9, mutual relative position automatically makes after entering and preventing collision distance e to slow down close to a side or stop, collision when preventing the opening and closing of movable decking 3 and rotation decking 9 from moving.
Movable decking 3 is described, rotates the movable decking 3 when decking 9 moves and when rotation decking 9 rotates and rotate the action of decking 9 and prevent from colliding the example controlled, in figure 6, if with from rotating the rotating shaft of decking 9 with the direction of rotational axis vertical on to leave to fixing decking 2 side distance r2 farthest draw the rotation decking 9 of swing-around trajectory the bight in bight or rotary die A (6A) for c2; If with from rotating shaft with the direction of rotational axis vertical on to leave to movable decking 3 side distance r1 farthest draw the rotation decking 9 of swing-around trajectory the bight in bight or rotary die B (6B) for c1, if be L2 from the distance of the rotating shaft to c2 that rotate decking 9, if be L1 from the distance of the rotating shaft to c1 that rotate decking 9.
Fig. 6 represents the situation of the bight c2 of rotary die A (6A) and the bight c1 of rotary die B (6B).L1 and L2 is the variable asked for uniquely by the rotation anglec of rotation of decking 9 and the value of above-mentioned r1, r2.
At this, if rotary die A (6A) and rotary die B (6B) is same shape, then L1=L2.
If the thickness of fixed side mold 4 is a, if the distance from the die mounting surface of fixing decking 2 to the rotating shaft rotating decking 9 is b2, if the distance from the die mounting surface of fixing decking 2 to the end face of drawer at movable side mould 5 is b1.B1, b2 are variablees.
When rotary die A (6A) moves towards fixed side mold 4 mold closing in rotation, during b2-a-L2=e, rotation decking 9 is made to slow down or stop.
When drawer at movable side mould 5 moves towards rotary die B (6B) mold closing in rotation, during b1-b2-L1=e, movable decking 3 is made to slow down or stop.
When rotary die A (6A) moves to the direction leaving fixed side mold 4, and drawer at movable side mould 5 is when moving to the direction die sinking leaving rotary die B (6B), first, the die sinking of movable decking 3 is moved, from the interval of drawer at movable side mould 5 and rotary die B (6B) more than the moment of e, rotate decking 9 die sinking to move, or start spinning movement.
In above-mentioned decking method for control speed, when also can move in the opening and closing that movable decking 3 and rotation decking 9 are carried out in overlapping and rotate the rotation of decking 9, by movable decking position and rotate the position of decking and the anglec of rotation calculate rotate decking rotate 9 rotate time rotation decking 9 and fixing decking 2, rotate distance between decking 9 and movable decking 3, enter and automatically to make when preventing collision distance e to slow down close to a side or stop, the collision during rotation of decking 9 is moved, is rotated in the opening and closing preventing movable decking 3 and rotate decking 9.
In actual machine, carry out work running and check the relative spacing of each decking, thereby, it is possible to reduce interval and shorten the traveling time of each decking further.
(the second embodiment)
Below, second embodiment of the invention is described.The difference of this second embodiment and the first embodiment is, shown in the schematic top plan view of injection molding machine for bimaterial molding 30 as shown in Figure 7, reversion platform 7 is provided with the servomotor A (21) of movable decking opening/closing unit 46 and the supporting station 26 of ballscrew shaft 47 that drive movable decking 3, in addition identical with the first embodiment, therefore omit the explanation of other structure.
The advantage of this second embodiment is for can shorten ballscrew shaft 47, and therefore, the critical speed of ballscrew shaft 4 improves, and can improve the opening and closing speed of movable decking 3.In addition, rotate between decking 9 and movable decking 3 owing to directly linking with ball-screw, therefore, during the suitable distance of the rotation decking 9 detecting, when controlling mould opening and closing etc. and movable decking 3, do not need the computing of the relative position rotating decking 9 and movable decking 3, can easily control.
(the 3rd embodiment)
Below, third embodiment of the invention is described.The difference of this second embodiment and the first embodiment is, as shown in the summary side elevation of the rotation decking of Fig. 8, rotate decking rotary unit 50 by the servomotor C (41) being installed on reversion platform 7, be installed on the pinion 53 of servomotor C (41), the gear wheel 52 that the rotation decking 9 engaged with pinion 53 is arranged integratedly, and the toothed belt 54 of the ring-type being wound in pinion 53 and gear wheel 52 is formed, make rotation decking 9 to the rotary drive unit of both forward and reverse directions half revolution, in addition identical with the first embodiment, therefore the explanation of other structure is omitted.
According to the present embodiment, its advantage is, do not need directly to make gear wheel 52 and pinion 53 abut, the distance of the rotating shaft of gear wheel 52 and the rotating shaft of pinion 53 can be set arbitrarily, therefore, when the situation of pinion 53 can not be set near gear wheel 52 and produce the needs changing speed reducing ratio, can not be restricted by axle base and can gear shape be selected.
Replace the toothed belt 54 of pinion 53, gear wheel 52 and ring-type, also can be following formation: the sprocket wheel of the path that reels on the output shaft of servomotor C (41), rotate sprocket wheel decking 9 being integrally wrapping with large footpath; Two sprocket wheels are wrapping with endless-chain.
(the 4th embodiment)
Below, four embodiment of the invention is described.The difference of the 4th embodiment and first and second embodiment is, as shown in the summary side elevation of the rotation decking of Fig. 9, rotate decking rotary unit 60 and do not use gear, toothed belt etc. to transmit power, but become the servomotor D (56) being installed on reversion platform 7 and the direct-drive mode directly linked with the rotating shaft 57 of the platform 55 rotating decking 9 one.In addition identical with the first embodiment, therefore omit the explanation of other structure.
Because the direct-drive mode of this servomotor D (56) is not via gear, band, therefore its advantage is, rotates decking 9 and rotates according to the instruction of program, in action, do not produce click.
As described above, according to the present invention, can provide a kind of injection molding machine for bimaterial molding, it is provided with the translational speed making movable decking and rotate decking and holds manageable mobile unit and make the rotary speed of rotation decking hold manageable rotary unit.
Claims (4)
1. an injection molding machine for bimaterial molding, has:
The reversion platform that can arrange movably to same direction with movable decking between the movable decking of drawer at movable side mould and the fixing decking being provided with fixed side mold is being installed;
Turnback can be revolved around the vertical central shaft of this reversion platform and be provided with on two sides chimeric with described drawer at movable side mould and described fixed side mold and form the rotation decking of the mould of die cavity;
Described movable decking is made to carry out the movable die-filling template die opening/closing unit of mould opening and closing;
The die-filling template die opening/closing unit of the rotation making described rotation decking carry out mould opening and closing;
The closing unit of matched moulds while of described movable decking, described fixing decking, described rotation decking is made after closing molding;
The rotary unit of the rotation decking of the rotary speed rotating decking can be controlled;
Mobile unit, utilizes ballscrew shaft directly to link between described rotation decking and described movable decking, and the supporting station with above-mentioned ballscrew shaft and the servomotor that above-mentioned ballscrew shaft is driven; And
Make two groups of injecting units of different resin material difference plasticizations and injection fillers,
It is characterized in that,
Described closing unit is the hydraulic mould-matching unit of matched moulds while of making described movable decking, described fixing decking, described rotation decking,
Described movable decking opening/closing unit is the movable decking opening/closing unit driven by the first motor,
Described rotation decking opening/closing unit is the rotation decking opening/closing unit driven by the second motor,
The rotary unit of described rotation decking is the rotary drive unit driven by the three-motor being installed on described reversion platform.
2. injection molding machine for bimaterial molding as claimed in claim 1, is characterized in that,
The injecting unit of the side in described two groups of injecting units is arranged at described fixing decking side, the injecting unit of the opposing party is placed in the opposing face side of the die mounting surface of described movable decking, and be placed on slidingtype base station slidably, this slidingtype base station is linked to described movable decking via connecting member, and action is carried out in the action can following described movable decking.
3. injection molding machine for bimaterial molding as claimed in claim 1, is characterized in that,
Be provided with alignment pin, described rotation decking abuts with described alignment pin at its rotation limit place, makes alignment pin project to following position: described rotation decking the position of the rotation limit of arrival one side with on the position of the rotation limit of its backhaul with relative movable decking or fixing decking just right position.
4. a control method for injection molding machine for bimaterial molding, is characterized in that,
Use the injection molding machine for bimaterial molding described in claim 1,
When making described rotation decking revolve turnback, controlling rotation acceleration by three-motor, rotary speed maintains, rotating and slow down to spend the shortest rotational time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187883.7A CN103722664B (en) | 2008-03-25 | 2008-03-25 | Injection molding machine for bimaterial molding and control method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187883.7A CN103722664B (en) | 2008-03-25 | 2008-03-25 | Injection molding machine for bimaterial molding and control method thereof |
| CN2008801191687A CN101888921B (en) | 2008-03-25 | 2008-03-25 | Injection molding machine for bimaterial molding and method of controlling same |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801191687A Division CN101888921B (en) | 2008-03-25 | 2008-03-25 | Injection molding machine for bimaterial molding and method of controlling same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103722664A CN103722664A (en) | 2014-04-16 |
| CN103722664B true CN103722664B (en) | 2016-03-16 |
Family
ID=50447082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310187883.7A Active CN103722664B (en) | 2008-03-25 | 2008-03-25 | Injection molding machine for bimaterial molding and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103722664B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107599433A (en) * | 2017-09-04 | 2018-01-19 | 广东泰安模塑科技股份有限公司 | A kind of in-mould injection and foaming cladding integral process |
| CN109968617A (en) * | 2017-12-28 | 2019-07-05 | 海天塑机集团有限公司 | A kind of horizontal rotation clamping of injection molding machine |
| CN110450347A (en) * | 2019-08-15 | 2019-11-15 | 宁波博超模具有限公司 | Bicolor injection mould |
| CN112895288B (en) * | 2021-01-20 | 2022-08-30 | 昆山普利欧精密模具有限公司 | Plastic shell injection molding equipment for earphone production based on heat treatment principle |
| CN113021750A (en) * | 2021-04-13 | 2021-06-25 | 福建富兰光学股份有限公司 | Process method for surface modification injection molding of high polymer material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272077A (en) * | 1998-08-25 | 2000-11-01 | 沙迪克株式会社 | Mold clamping device for injection molding machines and mold-opening control method thereof |
-
2008
- 2008-03-25 CN CN201310187883.7A patent/CN103722664B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272077A (en) * | 1998-08-25 | 2000-11-01 | 沙迪克株式会社 | Mold clamping device for injection molding machines and mold-opening control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103722664A (en) | 2014-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101888921B (en) | Injection molding machine for bimaterial molding and method of controlling same | |
| JP4942088B2 (en) | Two-material injection molding machine and control method | |
| CN102470580B (en) | Injection molding machine for two-material molding | |
| CN100548609C (en) | Clamping machine | |
| CN103722664B (en) | Injection molding machine for bimaterial molding and control method thereof | |
| US8470228B2 (en) | Method and a device for injection moulding and assembling plastic parts | |
| CN102009467A (en) | Single-motor-driven all-electric mold closing and moving system and implementation method and application thereof | |
| CN106738746A (en) | Injection molding machine | |
| CN112936720A (en) | Plastic mould shaping extrusion equipment | |
| CN100496941C (en) | Electrically driven reverse mold moving and pulse pressure inducing injection molding process and apparatus | |
| KR20100012799A (en) | Multi component injection mold and injection method | |
| CN219076454U (en) | Injection molding equipment convenient to control material velocity of flow | |
| CN203818505U (en) | Extrusion device in micro injection molding machine | |
| CN208195605U (en) | High-pressure casting molding machine | |
| CN208084836U (en) | Injection mold and Novel injection mold for helicitic texture | |
| CN206796397U (en) | Laminated mould | |
| CN203765971U (en) | Micro injection molding machine | |
| CN112238572B (en) | Injection molding equipment for composite material sleeper containing insert and using method | |
| CN213107961U (en) | Novel injection mold is used in working of plastics production | |
| JP2006142600A (en) | Injection molding machine and injection molding method | |
| CN100469549C (en) | Multiple work station pouring type vacuum injection molding machine | |
| CN116551929A (en) | Helical gear demolding mold capable of realizing sequential mold opening control | |
| JP2002192563A (en) | Mold replacing method and apparatus | |
| KR200400518Y1 (en) | A multi injection mold system | |
| CN114228106A (en) | Injection blow molding device and molding method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |