CN106003618B - Injection (mo(u)lding) machine - Google Patents

Injection (mo(u)lding) machine Download PDF

Info

Publication number
CN106003618B
CN106003618B CN201610177599.5A CN201610177599A CN106003618B CN 106003618 B CN106003618 B CN 106003618B CN 201610177599 A CN201610177599 A CN 201610177599A CN 106003618 B CN106003618 B CN 106003618B
Authority
CN
China
Prior art keywords
axial force
connecting rod
balance
value
temperature
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
Application number
CN201610177599.5A
Other languages
Chinese (zh)
Other versions
CN106003618A (en
Inventor
森田洋
柴田达也
森谷知宽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Publication of CN106003618A publication Critical patent/CN106003618A/en
Application granted granted Critical
Publication of CN106003618B publication Critical patent/CN106003618B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/64Mould opening, closing or clamping devices
    • B29C45/66Mould opening, closing or clamping devices mechanical
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/03Injection moulding apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/64Mould opening, closing or clamping devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/76Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/76Measuring, controlling or regulating
    • B29C45/7653Measuring, controlling or regulating mould clamping forces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/76Measuring, controlling or regulating
    • B29C45/78Measuring, controlling or regulating of temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76003Measured parameter
    • B29C2945/76026Energy, power
    • B29C2945/7603Power
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76003Measured parameter
    • B29C2945/76033Electric current or voltage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76003Measured parameter
    • B29C2945/7604Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76003Measured parameter
    • B29C2945/761Dimensions, e.g. thickness
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76494Controlled parameter
    • B29C2945/76505Force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76655Location of control
    • B29C2945/76702Closure or clamping device
    • B29C2945/76712Closure or clamping device tie-bars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76822Phase or stage of control
    • B29C2945/76866Mould closing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76822Phase or stage of control
    • B29C2945/76869Mould clamping, compression of the cavity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76822Phase or stage of control
    • B29C2945/76872Mould opening

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention provides a kind of injection (mo(u)lding) machine for the balance assisting adjustment axial force.The injection (mo(u)lding) machine of the present invention has:Multiple connecting rods accordingly extend with mold clamping force;And controller, the axial force of the connecting rod is controlled, the controller calculates the setting value for the operating quantity for changing the axial force according to the setting value of the balance of the axial force.

Description

Injection (mo(u)lding) machine
Technical field
This application claims the Japanese patent applications the 2015-067680th based on March 27th, 2015 in Japanese publication Priority.The entire content of this Japanese application is incorporated by reference in this manual.
The present invention relates to a kind of injection (mo(u)lding) machines.
Background technology
Injection (mo(u)lding) machine has mold closing, molding and the mold closing mechanism of die sinking for carrying out die device.Mold closing mechanism have with Multiple connecting rods (such as referenced patent document 1) that mold clamping force accordingly extends.Mold clamping force is dispersedly applied to multiple connecting rods, To which connecting rod is extended.The power of the extension of connecting rod will be overcome to be referred to as axial force.The effective length of multiple connecting rods exists When difference, the difference of axial force is generated between the shorter connecting rod of effective length and the longer connecting rod of effective length.Here, even The effective length of extension bar refers to the mutual interval of component linked by connecting rod, such as the state not played a role in mold clamping force Lower measurement.By adjusting the effective length of connecting rod, the balance of axial force can be adjusted.
Patent document 1:Japanese Unexamined Patent Publication 2004-249637 bulletins
If adjusting the effective length of a connecting rod, the dispersity of mold clamping force changes, the axis of all connecting rods It may change to power.Therefore, effective length of each connecting rod is set in a manner of the balance by the balance of axial force as target It spends cumbersome.
Invention content
The present invention is completed in view of the above subject, and main purpose is to provide a kind of adjustment axial force of assisting The injection (mo(u)lding) machine of balance.
In order to solve the above problems, a mode according to the present invention, provides a kind of injection (mo(u)lding) machine, has:
Multiple connecting rods accordingly extend with mold clamping force;And
Controller controls the axial force of the connecting rod,
The controller calculates setting for the operating quantity for changing the axial force according to the setting value of the balance of the axial force Definite value.
Invention effect
A mode according to the present invention provides a kind of injection (mo(u)lding) machine for the balance assisting adjustment axial force.
Description of the drawings
Fig. 1 is the figure of the state at the end of the die sinking for the injection (mo(u)lding) machine for indicating an embodiment.
The figure of state when Fig. 2 is the molding for the injection (mo(u)lding) machine for indicating an embodiment.
Fig. 3 is the figure of the position relationship of the connecting rod for the injection (mo(u)lding) machine for indicating an embodiment, and is from movable pressure plate Observe the figure of fixation clip in side.
Fig. 4 is the figure of the operation screen for the injection (mo(u)lding) machine for indicating an embodiment.
Fig. 5 is the figure for the controller for indicating an embodiment.
Fig. 6 is the figure of the axial force estimating unit for the controller for indicating an embodiment.
In figure:10- mold closing mechanisms, 12- fixation clips, 13- movable pressure plates, 16- connecting rods, 22- axial force detectors, 23- thermoregulators, 24- temperature detectors, 30- die devices, 32- cover half, 33- dynamic models, 70- operating devices, 80- display dresses It sets, 82- axial force balance display units, 83- horizontal axis dynamic balance display units, 83a- setting value display units, 83b- actual values are aobvious Show portion, 84- vertical axial force balance display units, 84a- setting value display units, 84b- actual value display units, 90- controllers, 101- Axial force configuration part, 102- axial force measurations portion, 103- non-interference operational parts, 104- temperature setting portions, 105- Temperature measuring sections, 106- temperature adjustment instruction departments, 107- axial force estimating units, 108- axial force operational parts, 109- operation correction units.
Specific implementation mode
Hereinafter, embodiments of the present invention will be described for refer to the attached drawing, in the drawings, for identical or corresponding knot Structure marks identical or corresponding symbol and omits the description.
Fig. 1 is the figure of the state at the end of the die sinking for the injection (mo(u)lding) machine for indicating an embodiment.Fig. 2 is to indicate that one implements The figure of state when the molding of the injection (mo(u)lding) machine of mode.Injection (mo(u)lding) machine has frame Fr, mold closing mechanism 10, operating device 70, display device 80 and controller 90 etc..
Controller 90 has CPU (Central Processing Unit) storage mediums such as 91 and memory 92.Controller 90 control mold closing mechanism 10, operating device 70 and display device by making CPU91 execution be stored in the program of storage medium 92 80 etc..
Mold closing mechanism 10 carries out mold closing, molding and the die sinking of die device 30.Mold closing mechanism 10 have fixation clip 12, can Dynamic pressure plate 13, rear fender 15, connecting rod 16, toggle mechanism 20 and molding motor 21.Hereinafter, movable pressure plate 13 when by mold closing Moving direction (being right direction in Fig. 1, Fig. 2) is set as front, by the moving direction of the movable pressure plate 13 when molding (in Fig. 1, Fig. 2 For left direction) rear is set as to illustrate.
Fixation clip 12 is fixed on frame Fr.Cover half is installed on the face opposed with movable pressure plate 13 of fixation clip 12 32。
Movable pressure plate 13 is moved freely along the guiding piece (such as guide rail) 17 being layed on frame Fr, and is pressed relative to fixed Plate 12 is free to advance or retreat.Dynamic model 33 is installed on the face opposed with fixation clip 12 of movable pressure plate 13.
Mold closing, molding and die sinking are carried out by making movable pressure plate 13 retreat relative to fixation clip 12.By cover half 32 and Dynamic model 33 constitutes die device 30.
Rear fender 15 links across interval and fixation clip 12, and is movably placed in frame Fr along mould opening and closing direction On.In addition, rear fender 15 can also be moved freely along the guiding piece being layed on frame Fr.The guiding piece of rear fender 15 can be with The guiding piece 17 of movable pressure plate 13 is general.
In addition, in present embodiment, fixation clip 12 is fixed on frame Fr, and rear fender 15 is opened relative to frame Fr along mould It closes direction to move freely, but may be that rear fender 15 is fixed on frame Fr, and fixation clip 12 is opened relative to frame Fr along mould Direction is closed to move freely.
Connecting rod 16 is across interval connection fixation clip 12 and rear fender 15.Multiple connecting rods 16 can be used.Each connection Bar 16 is parallel with mould opening and closing direction, and accordingly extends with mold clamping force.
Toggle mechanism 20 is disposed between movable pressure plate 13 and rear fender 15.Toggle mechanism 20 is by crosshead 20a, Duo Gelian The compositions such as bar 20b, 20c.The connecting rod 20b of a wherein side is rotatably installed on movable pressure plate 13, the connecting rod 20c pendulum of another party It is dynamic to be installed on rear fender 15 freely.These connecting rods 20b, 20c is joined into capable of expansion and contraction by pin etc..By making crosshead 20a retreats, and multiple connecting rod 20b, 20c are flexible, and movable pressure plate 13 is retreated relative to rear fender 15.
Molding motor 21 is installed on rear fender 15, and so that movable pressure plate 13 is retreated by making crosshead 20a retreat.Molding It is equipped between motor 21 and crosshead 20a and the rotary motion for molding motor 21 is converted to linear motion and is transferred to crosshead The movement conversion mechanism of 20a.Movement conversion mechanism is for example made of ball screw framework.
The action of mold closing mechanism 10 is controlled by controller 90.Controller 90 controls mold closing process, molding process and opens Die process etc..
In mold closing process, motor 21 is molded by driving to make movable pressure plate 13 advance, to make dynamic model 33 and cover half 32 Contact.
It molds in process, mold clamping force is generated by further driving molding motor 21.In dynamic model 33 and cover half when molding Cavity space is formed between 32, and the moulding material of liquid is filled in cavity space.Moulding material in cavity space is cured And become molded product.
It molds in process, motor 21 is molded by driving to make movable pressure plate 13 retreat, to make dynamic model 33 and cover half 32 Separation.
In addition, in the mold closing mechanism 10 of present embodiment, there is molding as the driving source for making movable pressure plate 13 move Motor 21, but molding motor 21 can be replaced and there is hydraulic cylinder.Also, mold closing mechanism 10 can be with the linear of mould opening and closing Motor, it is possible to have the electromagnet of molding.
Fig. 3 is the figure of the position relationship of the connecting rod for the injection (mo(u)lding) machine for indicating an embodiment, and is from movable pressure plate Observe the figure of fixation clip in side.Injection (mo(u)lding) machine has 4 connecting rods 16.From mould be opened and closed direction from when, 4 connecting rods 16 with It is arranged centered on horizontal line L 1, and is symmetrically arranged centered on plumb line L2 symmetrical above and belowly.It will be than horizontal line L 1 more It is upper to be referred to as top side, bottom side will be referred to as more on the lower than horizontal line L 1.Also, it will more lean on 70 side of operating device than plumb line L2 Referred to as fore side more will lean on the opposite side of operating device 70 to be referred to as fore side opposite side than plumb line L2.
Mold clamping force is dispersedly applied to 4 connecting rods 16, to which each connecting rod 16 is extended.Each connecting rod 16 will be overcome The power of extension be referred to as axial force.When the effective length of 4 connecting rods 16 is variant, the shorter connecting rod 16 of effective length with The difference of generation axial force between the longer connecting rod 16 of effective length.Here, the effective length of connecting rod 16 refers to passing through connection Interval between fixation clip 12 and rear fender 15 that bar 16 links, such as measured in the state that mold clamping force does not play a role.
By adjusting the effective length of connecting rod 16, the balance of axial force can be adjusted.The balance of axial force is for example being closed It is set in such a way that the surface pressing of cover half 32 and dynamic model 33 becomes the distribution of target when mould.The distribution of target can be uniformly to divide Either one of cloth and uneven distribution can according to circumstances be set.It is bad that molding can be reduced.
Since connecting rod 16 is formed by metal material, the effective length of connecting rod 16 according to the temperature of connecting rod 16 and It changes.The temperature of connecting rod 16 is higher, and the effective length of connecting rod 16 is longer.By adjusting the temperature of connecting rod 16, energy The effective length of connecting rod 16 is enough adjusted, and the balance of axial force can be adjusted.
Therefore, as shown in Figures 1 and 2, axial force detector 22, thermoregulator 23 and temperature are installed in each connecting rod 16 Spend detector 24 etc..Mold closing mechanism 10 has axial force detector 22, thermoregulator 23 and temperature detector 24 etc..
Axial force detector 22 detects the axial force of connecting rod 16.Axial force detector 22 is, for example, strain gage type, is passed through Detection connecting rod 16 strains to detect the axial force of connecting rod 16.Axial force detector 22 exports testing result to controller 90。
Controller 90 sets the temperature of connecting rod 16, so that the actual value of the balance of axial force becomes setting value.For this Setting method carries out aftermentioned.
Although in addition, the axial force detector 22 of the above embodiment be strain gage type, or piezoelectric type, capacitance Formula, fluid pressure type, electromagnetic type etc..
Thermoregulator 23 adjusts the temperature of connecting rod 16.Temperature will be adjusted by the thermoregulator 23 of connecting rod 16 Part be referred to as temperature regulation section.Thermoregulator 23 is connected such as comprising heater heater, and by heating to adjust The temperature of the temperature regulation section of bar 16.
In addition, thermoregulator 23 can include the coolers such as water-cooled jacket, and the temperature of connecting rod 16 is adjusted by cooling Spend the temperature of adjustment portion.Thermoregulator 23 can include both heater and cooler.
Controller 90 controls thermoregulator 23, is set so that the actual value of the temperature of the temperature regulation section of connecting rod 16 becomes Definite value.Control can be either one of feedback control and feedforward control.
But if carrying out setting change to the temperature of the temperature regulation section of a connecting rod 16 to adjust its effective length, Then the dispersity of mold clamping force changes, and the axial force of all connecting rods may change.If also, to a company The temperature of the temperature regulation section of extension bar 16 carries out setting change, then because of the movement of heat, the temperature of other connecting rods may become Change.
Therefore, controller 90 manages the balance of axial force, to replace the axial force of each connecting rod of individual management 16.As a result, Although detailed content progress is aftermentioned, the balance of adjustment axial force can be assisted.
In addition, controller 90 can manage the balance of axial force and each axial force of individual management.
Controller 90 is connected to operating device 70 and display device 80.Operating device 70 and display device 80 are for example by touch-control Panel is constituted, and can be integrated.Operating device 70 receives input operation by the user, and will be corresponding to input operation Signal export to controller 90.Display device 80 under a control of the controller 90, with the input in operating device 70 grasp by display Make corresponding operation screen.Operation screen can be used for the setting etc. of injection (mo(u)lding) machine.Prepare multiple operation screens to switch over Display repeats to show.User by observe display device 80 shown by operation screen while operation operating device 70 come into The setting etc. of row injection (mo(u)lding) machine.
In addition, the operating device 70 and display device 80 of present embodiment are integrated, but can also be independently arranged.And And operating device 70 can be provided with it is multiple.
Fig. 4 is the figure of the operation screen for the injection (mo(u)lding) machine for indicating an embodiment.Operation screen has axial force balance Display unit 82.Axial force balance display unit 82 shows the balance (balance) of axial force.Therefore, with show each axial force individually The case where compare, user is easily mastered and is easily adjusted the surface pressure distribution of cover half 32 and dynamic model 33.Here, axial force is flat Weighing apparatus refers to the bias state of axial force, such as can be indicated by the difference of axial force.The difference of axial force can be by relative to axial direction The average ratio (%) of power indicates.
In addition, operation screen can also have the axial force display unit for showing each axial force individually.
Axial force balance display unit 82 has horizontal axis dynamic balance display unit 83 and vertical axial force balance display unit 84. Horizontal axis dynamic balance display unit 83 and vertical axial force balance display unit 84 can be shown in operation screen simultaneously.It can recognize The balance of both direction.
Horizontal axis dynamic balance display unit 83 shows the balance of the axial force in horizontal direction (hereinafter, may also be referred to as water Flat axial force balance).Average value and operation of the horizontal axis dynamic balance for example by the axial force of two connecting rods 16 of fore side The difference of the average value of the axial force of two connecting rods 16 of side opposite side indicates.The difference can be by relative to all axial forces The ratio (%) of average value indicate.For ratio, it will not be changed because of the size of mold clamping force.
If the numerical value of horizontal axis dynamic balance is set as Nh (%), the average value of the axial force of fore side becomes 100+ The average value of Nh/2 (%), the axial force of fore side opposite side become 100-Nh/2 (%).The numerical value of N h of horizontal axis dynamic balance For just refer to fore side axial force average value be more than fore side opposite side axial force average value.And horizontal axis power is flat The numerical value of N h of weighing apparatus is the average value that the average value of the negative axial force for referring to fore side is less than the axial force of fore side opposite side.
In addition, positive and negative and the axial force of fore side and the axial direction of fore side opposite side of the numerical value of horizontal axis dynamic balance Relationship between the size of power can be opposite.
Horizontal axis dynamic balance display unit 83 has setting value display unit 83a and actual value display unit 83b.Setting value is shown Portion 83a shows the setting value of horizontal axis dynamic balance.Actual value display unit 83b shows the actual value of horizontal axis dynamic balance.If Definite value display unit 83a and actual value display unit 83b can be shown in operation screen simultaneously.Setting value and actual value can be recognized Deviation.
Operating device 70 is operated while user is by observing operation screen, and the setting value of horizontal axis dynamic balance is inputted To setting value display unit 83a.Controller 90 sets the temperature of connecting rod 16, is set so that the actual value of horizontal axis dynamic balance becomes Definite value.
Vertical axial force balance display unit 84 shows the balance of the axial force in vertical direction (hereinafter, may also be referred to as lead Hang down axial force balance).Vertical axial force balance is for example by the average value of the axial force of two connecting rods 16 of top side and bottom side The difference of the average value of the axial force of two connecting rods 16 indicates.The difference can be by the average value relative to all axial forces Ratio (%) indicates.For ratio, it will not be changed because of the size of mold clamping force.
If the numerical value of vertical axial force balance is set as Nv (%), the average value of the axial force of top side becomes 100+Nv/2 The average value of (%), the axial force of bottom side become 100-Nv/2 (%).The numerical value of N v of vertical axial force balance be just referring to top side Axial force average value be more than bottom side axial force average value.On the other hand, the numerical value of N v of vertical axial force balance is negative Refer to the average value that the average value of the axial force of top side is less than the axial force of bottom side.
In addition, the size of the positive and negative axial force with the axial force of top side and bottom side of the numerical value of vertical axial force balance it Between relationship can be opposite.
Vertical axial force balance display unit 84 has setting value display unit 84a and actual value display unit 84b.Setting value is shown Portion 84a shows the setting value of vertical axial force balance.Actual value display unit 84b shows the actual value of vertical axial force balance.If Definite value display unit 84a and actual value display unit 84b can be shown in operation screen simultaneously.Setting value and actual value can be recognized Deviation.
Operating device 70 is operated while user is by observing operation screen, and the setting value of vertical axial force balance is inputted To setting value display unit 84a.Controller 90 sets the temperature of connecting rod 16, is set so that the actual value of vertical axial force balance becomes Definite value.
Fig. 5 is the figure for the controller for indicating an embodiment.As shown in figure 5, controller 90 is according to the balance of axial force Setting value etc. calculates the setting value of the temperature of the temperature regulation section of the connecting rod 16 as the operating quantity for changing axial force.
Controller 90 has axial force configuration part 101, axial force measuration portion 102, non-interference operational part 103, temperature setting Portion 104, Temperature measuring section 105 and temperature adjustment instruction department 106.
Axial force configuration part 101 finds out the setting value of the balance of axial force.Such as axial force configuration part 101 utilizes operation picture Face obtains the setting value of horizontal axis dynamic balance and the setting value of vertical axial force balance.The balance of axial force can be by axial force Bias state, such as the difference of axial force indicates.The difference of axial force can be by the average ratio (%) relative to axial force To indicate.For ratio, it will not be changed because of the size of mold clamping force.
Axial force measuration portion 102 measures the actual value of the axial force of each connecting rod 16 using axial force detector 22.
Non-interference operational part 103 finds out the reality of the balance of axial force according to the measurement result in axial force measuration portion 102 Value.Such as the actual value of 103 calculated level axial force balance of non-interference operational part and the actual value of vertical axial force balance.
Temperature setting portion 104 is according to setting value of the balance of axial force etc. (being the difference of setting value and actual value in Fig. 5), meter Calculate the setting value of the temperature of the temperature regulation section of each connecting rod 16.With the feelings for carrying out the calculating according to the setting value of each axial force Condition is compared, and axial force of the setting change to another connecting rod 16 of the temperature of the temperature regulation section of a connecting rod 16 is easily processed The influence brought, and be easy to set the temperature of the temperature regulation section of each connecting rod 16.In addition, though after detailed content carries out It states, but the actual value of the balance of axial force can be replaced using the guess value of the balance of axial force.
Temperature setting portion 104 can for example incite somebody to action
The temperature of the temperature regulation section of the connecting rod 16 of fore side and top side be set as T0+Th+Tv,
The temperature of the temperature regulation section of the connecting rod 16 of fore side and bottom side be set as T0+Th-Tv,
The temperature of the temperature regulation section of fore side opposite side and the connecting rod of top side 16 be set as T0-Th+Tv,
The temperature of the temperature regulation section of fore side opposite side and the connecting rod of bottom side 16 is set as T0-Th-Tv, and sets T0 (℃),Th(℃),Tv(℃).T0 indicates that the average value (DEG C) of the temperature of the temperature regulation section of all connecting rods 16, Th indicate water The balance (poor) of the temperature of square upward temperature regulation section, Tv indicate the balance of the temperature of the temperature regulation section in vertical direction (poor).
Temperature setting portion 104 can be changed according to the setting of the temperature of the temperature regulation section of the connecting rod 16 as operating quantity To the influence that the balancing band of axial force comes, the setting value of the temperature of the temperature regulation section of each connecting rod 16 is calculated.It is contemplated that The influence that the setting change of the temperature of the temperature regulation section of one connecting rod 16 brings the axial force of another connecting rod 16.On Stating influence can in advance be found out by testing or simulating, and is read and be stored in the influence of storage medium 92 to be used.Above-mentioned shadow Sound can be stored in storage medium 92 by modes such as formula or tables.
Temperature measuring section 105 measures the reality of the temperature of the temperature regulation section of connecting rod 16 using temperature detector 24 Value.
Temperature adjustment instruction department 106 according to setting value of the temperature of the temperature regulation section of connecting rod 16 etc. (in Fig. 5 for setting value with The difference of actual value), generate the instruction to each thermoregulator 23.
As described above, controller 90 is calculated according to the setting value etc. of the balance of axial force as the behaviour for changing axial force The setting value of the temperature of the temperature regulation section for the connecting rod 16 that work is measured.The setting value is calculated by each connecting rod 16.Controller 90 According to the setting value etc. calculated, the instruction of thermoregulator 23 is generated.The instruction is generated by each thermoregulator 23.
But the actual value of the temperature of the temperature regulation section of connecting rod 16 needs the time until becoming setting value.Also, it should After practical value stabilization is at setting value, the whole Temperature Distribution of mold closing mechanism 10 needs the time until stablizing.Moreover, axial force Actual value can only be measured in molding, and be usually unable to measure.
Therefore, controller 90 can have axial force estimating unit 107 (with reference to figure 6).Axial force estimating unit 107 is according to conduct Change the temperature of the temperature regulation section of the connecting rod 16 of the operating quantity of axial force, thus it is speculated that axial force.
Controller 90 can not by axial force measuration portion 102 shown in fig. 5 measure axial force actual value during, Using the guess value of axial force thermoregulator 23 can be suitably controlled come the actual value instead of axial force.Therefore, it is possible to Shorten the time until the axial force stabilization of connecting rod 16.
For example, as shown in fig. 6, axial force estimating unit 107 has axial force operational part 108 and operation correction unit 109.
Axial force operational part 108 according to as change axial force operating quantity connecting rod 16 temperature regulation section temperature To calculate axial force.When calculating axial force, axial force operational part 108 can utilize the reality of the temperature of above-mentioned temperature regulation section Value.
In addition, when calculating axial force, the axial force operational part 108 of present embodiment utilizes the temperature of above-mentioned temperature regulation section The actual value of degree, but the setting value of the temperature of above-mentioned temperature regulation section can also be utilized.
When calculating axial force, axial force operational part 108 for example utilizes FInite Element (Finite Element Method).According to FInite Element, the time change of the Temperature Distribution of mold closing mechanism 10 can be calculated, and each axial direction can be calculated Power.
In addition, when calculating axial force, the axial force operational part 108 of present embodiment utilizes FInite Element, but can also Utilize the heat transfer model made based on thermic vibrating screen etc..Specific heat, heet transfer rate etc. are utilized when calculating axial force.
Axial force operational part 108 can calculate the current value (instantaneous value) of axial force, can also calculate the axis of transition state Xiang Li.Here, transition state refers to starting up to the Temperature Distribution of the entirety of mold closing mechanism 10 is steady since the control of thermoregulator 23 It is set to state only.
In addition, current value is not limited to the value under transition state, or the value under stable state.Here, stablizing shape State refers to the practical value stabilization of the temperature of the temperature regulation section of connecting rod 16 into setting value, also, the temperature that mold closing mechanism 10 is whole The stable state of degree distribution.
Axial force operational part 108 can for example calculate the future value (such as stationary value) of axial force to replace working as axial force Preceding value.
Axial force operational part 108 can have the function of non-interference operational part 103 shown in fig. 5, can also calculate axial direction The balance of power.The balance of axial force can be indicated by the difference of the bias state of axial force, such as axial force.The difference of axial force can To be indicated by the average ratio (%) relative to axial force.For ratio, it will not be changed because of the size of mold clamping force.
Axial force operational part 108 such as calculated level axial force balance and vertical axial force balance.Controller 90 can be same When adjustment both direction on balance.In addition, controller 90 can only adjust the balance of any unidirectional axial force, and axial force Operational part 108 can only calculate the balance of any unidirectional axial force.
Operation correction unit 109 corrects the axial force calculated by axial force operational part 108 according to the actual value of axial force Calculated value.Thereby, it is possible to improve the supposition precision of the axial force speculated by axial force estimating unit 107.
Operation correction unit 109 for example calculates the offset added with the input value of axial force operational part 108.Operation school Positive portion 109 calculates temperature according to the difference between the actual value and the calculated value of axial force of measured axial force when molding Offset.By the way that the offset of the temperature to be added with the actual value of temperature, the calculated value of axial force can be corrected.The temperature Offset can use until the actual value for measuring axial force next time, when can also measure the actual value of axial force every time It is updated.
In addition, what the calculating of operation correction unit 109 of present embodiment and the input value of axial force operational part 108 were added Offset, but the offset added with the output valve of axial force operational part 108 can also be calculated.
More than, the embodiment etc. of injection (mo(u)lding) machine is illustrated, but the present invention is not limited to above-mentioned embodiment party Formula etc. can carry out various modifications and improvement in detail in the claims in the range of recorded spirit of the invention.
Such as in the above embodiment, axial force detector 22, thermoregulator 23 and temperature detector 24 are installed on institute Some connecting rods 16, but can only be installed on a part of connecting rod 16.For example, controller 90 adjusts vertical axial force balance and water In the case of flat axial force balance the two, only 3 upper installation thermoregulators 23 and temperature that can be in 4 connecting rods 16 Detector 24.Also, in the case that controller 90 only adjusts vertical axial force balance, only side that can be in top side and bottom side Connecting rod 16 on installation thermoregulator 23 and temperature detector 24.Also, controller 90 only adjusts vertical axial force balance In the case of, it can be in a upper difference in two connecting rods 16 of one in two connecting rods 16 of top side and bottom side Axial force detector 22 is installed.
Also, in the above embodiment, the balance of axial force is indicated by the difference of axial force, but can also be by axial force Than indicating.Such as vertical axial force balance can by the axial force of the average value and bottom side of the axial force of top side average value it Than indicating.Similarly, horizontal axis dynamic balance can be by the axis of the average value and fore side opposite side of the axial force of fore side The ratio between average value to power indicates.
Also, the controller 90 of the above embodiment utilizes the temperature of connecting rod 16 as the operating quantity for changing axial force Degree, but the effective length of connecting rod 16 can also be utilized.It can be used for example to be formed in the adjustment of the effective length of connecting rod 16 In connecting rod 16 external screw thread 41, be screwed together in the internal thread 42 of external screw thread 41 and make internal thread 42 rotate rotation motor (do not scheme Show) etc..Internal thread 42 is installed on rear fender 15 in a manner of it cannot retreat and rotate freely.Controller 90 rotates horse by control What is reached rotates to adjust the effective length of connecting rod 16.In addition, internal thread 42 can be installed on two that connecting rod 16 is linked Either one in component (fixation clip 12 and rear fender 15 in the above embodiment), can also be installed on both sides.As change The operating quantity of axial force can utilize the temperature of connecting rod 16 and both effective lengths of connecting rod 16.The temperature of connecting rod 16 Degree can also be adjusted by the increase and decrease of the heater to heating connecting rod 16 supplied electric power.It therefore, can will be to heater It supplies electric power as the operating quantity for changing axial force.
Also, the mold closing mechanism 10 of the above embodiment is the horizontal mold closing mechanism that mould opening and closing direction is horizontal direction, but Or the vertical mold closing mechanism that mould opening and closing direction is vertical direction.Vertical mold closing mechanism has the pushing as fixation clip Plate, the top board as movable pressure plate, toggle seat, toggle mechanism and connecting rod etc..Lower die is installed, on top board on lower platen Upper mold is installed.Die device is constituted by lower die and upper mold.Lower die can be installed on lower platen via turntable.Toggle seat is disposed in The lower section of lower platen, and lifted together with top board.Toggle mechanism is disposed between toggle seat and lower platen.Connecting rod and vertical Direction is parallel, and runs through lower platen, to link top board and toggle seat.The quantity of connecting rod is usually 3.In addition, connection The quantity of bar is not particularly limited.

Claims (9)

1. a kind of injection (mo(u)lding) machine, has:
Multiple connecting rods accordingly extend with mold clamping force;
Axial force detector detects the axial force of the connecting rod;
Thermoregulator adjusts the temperature of the connecting rod;And
Controller controls the axial force of the connecting rod,
The controller calculates the company as the operating quantity for changing the axial force according to the setting value of the balance of the axial force The setting value of the temperature of extension bar,
The controller has axial force estimating unit, the temperature of the connecting rod based on the operating quantity as the change axial force, Speculate the axial force,
The axial force of the connecting rod when axial force estimating unit is based on the molding detected by the axial force detector Detected value, correct the temperature estimation based on the connecting rod axial force guess value.
2. injection (mo(u)lding) machine according to claim 1, wherein
The controller according to the setting change of the operating quantity to the balancing band of the axial force come influence, calculate the behaviour The setting value that work is measured.
3. injection (mo(u)lding) machine according to claim 1 or 2, wherein
The controller obtains the actual value of the balance of the axial force, and according to the setting value of the balance of the axial force and is somebody's turn to do Actual value calculates the setting value of the operating quantity.
4. injection (mo(u)lding) machine according to claim 1 or 2, wherein
The controller obtains the guess value of the balance of the axial force, and according to the setting value of the balance of the axial force and is somebody's turn to do Guess value calculates the setting value of the operating quantity.
5. injection (mo(u)lding) machine according to claim 1 or 2, wherein
The controller calculates the setting of the operating quantity according to the setting value of the balance of the axial force in horizontal direction Value.
6. injection (mo(u)lding) machine according to claim 1 or 2, wherein
The controller calculates the setting of the operating quantity according to the setting value of the balance of the axial force in vertical direction Value.
7. injection (mo(u)lding) machine according to claim 1 or 2, wherein
The controller is using the difference of the axial force as the balance of the axial force.
8. injection (mo(u)lding) machine according to claim 1 or 2, wherein
The controller indicates the difference of the axial force with average ratio relative to the axial force.
9. injection (mo(u)lding) machine according to claim 1 or 2, wherein
The controller utilizes the temperature of the connecting rod, the length of the connecting rod and the heater to heating the connecting rod At least one of supply electric power and to be used as the operating quantity.
CN201610177599.5A 2015-03-27 2016-03-25 Injection (mo(u)lding) machine Active CN106003618B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-067680 2015-03-27
JP2015067680A JP6517063B2 (en) 2015-03-27 2015-03-27 Injection molding machine

Publications (2)

Publication Number Publication Date
CN106003618A CN106003618A (en) 2016-10-12
CN106003618B true CN106003618B (en) 2018-11-06

Family

ID=57081379

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610177599.5A Active CN106003618B (en) 2015-03-27 2016-03-25 Injection (mo(u)lding) machine

Country Status (4)

Country Link
JP (1) JP6517063B2 (en)
KR (1) KR101979066B1 (en)
CN (1) CN106003618B (en)
TW (1) TWI586515B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6591303B2 (en) * 2016-01-29 2019-10-16 住友重機械工業株式会社 Injection molding machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60168622A (en) * 1984-02-13 1985-09-02 Sumitomo Heavy Ind Ltd Temperature pattern measuring device of resin of injection molding machine
JP3527872B2 (en) * 2000-02-03 2004-05-17 東洋機械金属株式会社 Injection molding machine and its parallelism adjustment method
JP2004249637A (en) 2003-02-21 2004-09-09 Sumitomo Heavy Ind Ltd Automated clamping force regulating equipment for molding machine
JP2006347078A (en) * 2005-06-17 2006-12-28 Japan Steel Works Ltd:The Mold clamping device of injection molding machine and effective length regulating method of tie bar
JP2007136961A (en) * 2005-11-21 2007-06-07 Sumitomo Heavy Ind Ltd Injection apparatus and method for adjusting difference in axial force of a plurality of shafts installed in injection apparatus
JP4648870B2 (en) * 2006-04-20 2011-03-09 住友重機械工業株式会社 Mold clamping force control method and mold clamping device
JP2013126722A (en) * 2011-12-16 2013-06-27 Sumitomo Heavy Ind Ltd Injection molding machine
JP5734366B2 (en) * 2013-07-26 2015-06-17 ファナック株式会社 Clamping force measuring mechanism of injection molding machine

Also Published As

Publication number Publication date
TW201634224A (en) 2016-10-01
JP6517063B2 (en) 2019-05-22
TWI586515B (en) 2017-06-11
KR101979066B1 (en) 2019-09-03
CN106003618A (en) 2016-10-12
JP2016185692A (en) 2016-10-27
KR20160115825A (en) 2016-10-06

Similar Documents

Publication Publication Date Title
JP5031867B2 (en) Injection molding method and apparatus
CN106003616B (en) Injection (mo(u)lding) machine
CN106003635B (en) The operation screen of injection (mo(u)lding) machine and injection (mo(u)lding) machine
CN106003618B (en) Injection (mo(u)lding) machine
CN107020731A (en) Injection (mo(u)lding) machine
CN107042604B (en) Injection (mo(u)lding) machine
CN105729741B (en) Injection molding machine and mold thickness control method
JP2020144690A (en) Machine learning device and machine learning method
JP2018161841A (en) Clamping device with function for weighing mold
CN106003617A (en) Injection molding machine
JP5808850B1 (en) Mold clamping apparatus, molding apparatus and molding method
CN106476228B (en) Injection (mo(u)lding) machine
CN106313420B (en) Injection (mo(u)lding) machine
JP2016083818A (en) Measuring method and device for mold of molding machine
JP2006021413A (en) Control device of extrusion molding machine and control method of extrusion molding machine
JP2016168819A (en) Load sensing device of injection molding machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant