CN104275781B - Possesses the mold closing mechanism of the injection moulding machine of temp regulating function - Google Patents

Possesses the mold closing mechanism of the injection moulding machine of temp regulating function Download PDF

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Publication number
CN104275781B
CN104275781B CN201410312056.0A CN201410312056A CN104275781B CN 104275781 B CN104275781 B CN 104275781B CN 201410312056 A CN201410312056 A CN 201410312056A CN 104275781 B CN104275781 B CN 104275781B
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China
Prior art keywords
temperature
mould disks
height
target temperature
closing mechanism
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CN201410312056.0A
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CN104275781A (en
Inventor
土屋信笃
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Fanuc Corp
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Fanuc Corp
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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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of temperature
    • 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
    • B29C2945/76003—Measured parameter
    • B29C2945/7604—Temperature
    • 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
    • B29C2945/76224—Closure or clamping unit
    • B29C2945/76227—Closure or clamping unit mould platen
    • 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
    • B29C2945/76531—Temperature
    • 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
    • B29C2945/76655—Location of control
    • B29C2945/76732—Mould
    • 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
    • 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
    • B29C2945/76989—Extrapolating

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  • 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 mold closing mechanism for the injection moulding machine for possessing temp regulating function.After the temperature detecting part of movable plate detects temperature change, according to the relation of the central shaft height of the relation of the temperature of fixed disk and the height of the central shaft of fixed disk, the temperature of movable plate and movable plate, calculating the central shaft of fixed disk turns into the target temperature with the central shaft identical height of movable plate.The thermal expansion of the support feet of fixed disk, position and the central shaft of fixed disk of the amendment with the fixing point of fixed disk are adjusted by making temperature regulation section turn into target temperature.

Description

Possesses the mold closing mechanism of the injection moulding machine of temp regulating function
Technical field
The present invention relates in injection moulding machine, the temperature of the side in the fixed disk and movable plate of mold closing mechanism is detected, The target temperature of the opposing party is calculated to control the mold closing mechanism of the temperature of the opposing party.
Background technology
In the precise formings such as lens shaping, the small eccentric meeting of metal die affixed side and drawer at movable side be made to products formed Into influence.The reason for as bias, enumerate the temperature difference of fixed disk and movable plate.In the precise forming of lens etc., sometimes will Metal die is heated to 80 DEG C~130 DEG C, to be molded.Now, due to the temperature difference of fixed disk and movable plate, thermal expansion Degree is different, and the center of movable plate and fixed disk produces difference, the reason for as bias.
Accordingly, it would be desirable to eliminate the temperature difference of fixed disk and movable plate.
In Japanese Unexamined Patent Application 62-264921 publications, a kind of injection moulding machine is disclosed, its symmetrical landform up and down Into mould disks, it is the consistently structure of keeping temperature in universe, consistently controls the temperature of metal die.In Japanese Unexamined Patent Publication The injection moulding machine for energetically eliminating the temperature difference above and below mould disks is disclosed in 2000-271981 publications.Japanese special Open and disclosed in 2006-212980 publications to eliminate due to axle offset caused by the temperature difference of structural portion, being controlled makes Temperature difference between part converges on the optical component shaped device of defined value.
Injection moulding machine disclosed in Japanese Unexamined Patent Application 62-264921 publications in order to control the thermal walking of mould disks with making The present invention of mould disks temperature change is different.Injection moulding machine disclosed in Japanese Unexamined Patent Publication 2000-271981 publications is to eliminate mould Have the injection moulding machine of the temperature difference above and below disk, rather than eliminate the injection molding of the distortion of fixed disk and movable plate Machine, does not adjust the temperature difference between fixed disk and movable plate.Optical component disclosed in Japanese Unexamined Patent Publication 2006-212980 publications Shaped device is controlled such that the temperature difference between part is received to eliminate due to axle offset caused by the temperature difference of mechanism part Hold back in predetermined value, but be not limited to that the thermal expansion of each several part is identical, it is therefore possible to occur bias.
The content of the invention
Therefore, the present invention is to propose in view of the above problems, its object is to provide one kind possess according to experiment value or Theoretical value based on analysis, the temp regulating function for being adjusted to the fixed disk temperature consistent with the central shaft of movable plate is molded into The mold closing mechanism of type machine.
The mold closing mechanism of the injection moulding machine of the present invention has the fixed disk for keeping affixed side metal die and keeps movable The movable plate of side metal die, regard any one party in the movable plate and the fixed disk as temperature reference object mould Disk, using the opposing party as controlled target temperature mould disks, the mold closing mechanism of the injection moulding machine is in the temperature reference object mould Having has the first temperature detecting part in disk, there is second temperature test section and temperature to adjust in the controlled target temperature mould disks Section portion, the mold closing mechanism has：Storage part, it is by the temperature of temperature reference object mould disks and temperature reference object mould disks The relation of centre-height stored as the first relation, and by the temperature of controlled target temperature mould disks and temperature control pair As the relation of the centre-height of mould disks is stored as the second relation；And target temperature calculating part, it is according to described The temperature and the first relation for the temperature reference object mould disks that one temperature detecting part is detected obtain temperature reference object mould disks Centre-height, and the centre-height and the second relation of the temperature reference object mould disks obtained according to this obtain temperature control The centre-height of object mould disks and the centre-height identical controlled target temperature mould disks of temperature reference object mould disks Target temperature, the temperature regulation section, which is controlled, makes the temperature of the controlled target temperature mould disks turn into the target temperature Degree.
The mold closing mechanism of the injection moulding machine of the present invention has the fixed disk for keeping affixed side metal die and keeps movable The movable plate of side metal die, regard any one party in the movable plate and the fixed disk as temperature reference object mould Disk, using the opposing party as controlled target temperature mould disks, has the first temperature detection in the temperature reference object mould disks Portion, has second temperature test section and temperature regulation section in the controlled target temperature mould disks, the injection moulding machine Mold closing mechanism has：Storage part, it is by the centre-height of controlled target temperature mould disks and temperature reference object mould disks The relation of the temperature of temperature reference object mould disks when the heart is highly identical and the temperature of controlled target temperature mould disks is used as the Three relations are stored；And target temperature calculating part, it is asked according to the temperature and the 3rd relation of temperature reference object mould disks Go out the centre-height of controlled target temperature mould disks and the centre-height identical temperature control pair of temperature reference object mould disks As the target temperature of mould disks, the temperature regulation section, which is controlled, makes the temperature of the controlled target temperature mould disks turn into institute State target temperature.
The temperature reference object mould disks have support feet in the two sides of mould disks, can be in the support feet at least First temperature detector is set in one side.Or, the controlled target temperature mould disks have support in the two sides of mould disks Pin, sets second temperature detector and temperature regulation section at least one party of the support feet.
The temperature regulation section includes electric heater, electrical heating cooling element, the thermoregulator based on fluid.
The present invention is by possessing the structure of the above, using the teaching of the invention it is possible to provide a kind of to possess according to experiment value or the theory based on analysis Value, is adjusted to the matched moulds dress of the injection moulding machine of the temp regulating function of the fixed disk temperature consistent with the central shaft of movable plate Put.
Brief description of the drawings
Fig. 1 illustrates the mold closing mechanism for the injection moulding machine for possessing temp regulating function.
Fig. 2 illustrates the structure of fixed disk.
Fig. 3 illustrates the bias produced when temperature rises.
Fig. 4 illustrates the run-out modification based on thermoregulator.
Fig. 5 illustrates the position of thermoregulator.
Fig. 6 illustrates the mold closing mechanism for the injection moulding machine for possessing temp regulating function.
Fig. 7 is temperature controlled flow chart.
Fig. 8 illustrates the temperature of mould disks and the relational expression of centre-height, wherein TM0Movable plate when being mechanical package adjustment Temperature, HM0The centre-height of movable plate when being mechanical package adjustment, TS0The temperature of fixed disk when being mechanical package adjustment Degree, HS0The centre-height of fixed disk when being mechanical package adjustment, TMIt is the temperature of current movable plate, HMIt is current movable The centre-height of disk, TSIt is the temperature of current fixed disk, HSIt is the centre-height of current fixed disk, TS1It is the mesh of fixed disk Mark temperature, LMIt is the temperature-height straight line, L of movable plateSIt is temperature-height straight line of fixed disk.
Fig. 9 illustrates the relation of the temperature of temperature reference object mould disks and the temperature of controlled target temperature mould disks.
Embodiment
(embodiment 1)
Fig. 1 represents the mold closing mechanism for possessing the injection moulding machine of temp regulating function.Fig. 2 represents the structure of fixed disk.Note Molding machine configures injecting mechanism portion and clamping portion opposite to each other on board (not shown), controls to be molded by control device Mechanism part and clamping portion, perform molding cycles.Clamping portion possess install affixed side metal die 3a fixed disk 1, Drawer at movable side metal die 3b movable plate 2 is installed.Fixed disk 1 passes through support feet 5, the center of 5 support level direction both sides. This, supporting the point of fixed disk 1 to call fixing point 6 by support feet 5.By pull bar 4 by fixed disk 1 and rear fender (not shown) Link.Movable plate 2 can be moved along the axial direction of pull bar 4, freely be retreated relative to fixed disk 1.
Temperature detecting part 8 and temperature regulation section 7 are installed in the support feet 5 of support fixed disk 1., can as temperature regulation section 7 To use any one in electric heater, electrical heating cooling element, the thermoregulator based on fluid.By temperature detecting part 8 Installed in the vicinity of easy hot fixing point 6 of the conduction from fixed disk 1.In addition, being provided with temperature detecting part 9 in movable plate 2. It is movable that the detection temperature or detection temperature signal and temperature detecting part 9 for the fixed disk 1 that temperature detecting part 8 is detected are detected The detection temperature or detection temperature signal of disk 2 are separately input to temperature control part 10.Temperature control part 10 possess storage part 10a and Target temperature calculating part 10b, the temperature information detected according to temperature detecting part 8 and temperature detecting part 9 carries out temperature regulation section 7 Temperature control.
In the clamping portion shown in Fig. 1, Fig. 2, using fixed disk 1 as controlled target temperature mould disks, by movable plate 2 It is used as temperature reference object mould disks.When producing temperature difference in fixed disk 1 and movable plate 2, as shown in figure 3, due to fixation The distortion of the difference of the thermal expansion of disk 1 and movable plate 2, fixed disk 1 and movable plate 2.Symbol 11 represents the center of fixed disk 1 Axle, symbol 12 represents the central shaft of movable plate 2.
Therefore, the skew of central shaft is eliminated by the method shown in Fig. 7 flow chart.Detection is used as temperature reference object mould Have the temperature of the movable plate 2 of disk, calculate the target temperature of the fixed disk 1 as controlled target temperature mould disks.The temperature of movable plate 2 Spend the detection temperature of test section 9 (SA01).According to the relation (SA02) of the temperature of movable plate 2 and the central shaft height of movable plate and solid The relation (SA03) of the temperature of price fixing 1 and the central shaft height of fixed disk 1, calculate the central shaft 11 of fixed disk 1 turn into it is movable The target temperature (SA04) of the identical height of central shaft 12 of disk.By the control of temperature control part 10 make temperature regulation section 7 into For target temperature, thus come the thermal expansion (SA05) of the support feet 5 that adjusts fixed disk 1, amendment fixed disk 1 is consolidated as shown in Figure 4 The position of fixed point 6 and the central shaft 11 of fixed disk 1.(SA06) terminates to adjust after the support feet 5 of fixed disk 1 reaches target temperature Section.
The example calculation of target temperature is represented in Fig. 8 temperature-height chart.First, when the assembling of machinery is adjusted Centre-height, the temperature of movable plate 2 be set to HM0, TM0.Become in the temperature change of movable plate 2 and the centre-height of movable plate 2 When being melted into proportionate relationship, the relation of temperature and centre-height is represented by slope aM straight line LM.Movable plate is calculated by formula (1) The centre-height HM of movable plate when 2 Current Temperatures are TM.
HM=HM0+aM(TM-TM0) (1)
In addition, when the temperature change of fixed disk 1 and the centre-height change of fixed disk turn into proportionate relationship, temperature is with The relation of heart height is represented by slope aS straight line LS.The centre-height and temperature of fixed disk 1 when mechanical package is adjusted HS0, TS0 are set to, for making the centre-height HS of fixed disk 1 and the centre-height HM identical fixed disk temperature of movable plate 2 It is set to TS1.The centre-height HM of movable plate 2 is calculated by formula (2).
HM=HS0+aS(TS1-TS0） (2)
When obtaining TS1 by formula (1), formula (2), TS1 is represented by formula (3).
TS1={HM0-HS0+aM(TM-TM0)+aS*TS0}/aS (3)
HM0 and TM0, HS0, TS0 are determined when mechanical package is adjusted, and is stored in depositing for the i.e. temperature control part 10 of machinery In storage portion 10a.On the coefficient aM and aS of formula (3), displacement meter or overcurrent meter and temperature detector can be used to determine, Or can be that fixed disk 1, the coefficient of expansion of movable plate 2, pyroconductivity are used as theoretical value and obtained by analyzing according to mould disks. AM and aS are stored in advance in machinery.The mesh of the fixed disk 1 as controlled target temperature disk is obtained by formula (1)~formula (3) Marking temperature is performed by the target temperature calculating part of temperature control part 10.
The relation of formula (1), the temperature of the mould disks of formula (2) and centre-height can be stored in the form of mathematical expression, also may be used To be stored in the form of the temperature for representing mould disks several tables corresponding with centre-height.The control method of temperature regulation section 7 Both can be the temperature control based on ON/OFF or the temperature control based on current value.Temperature detecting part 8 is arranged on solid On price fixing 1, temperature detecting part 9 is arranged on movable plate 2.Temperature detecting part 8 is arranged on when fixed disk 1 has support feet 5 In support feet 5, when without support feet 5 on the body of fixed disk 1.
(embodiment 2)
Fig. 6 represents the mold closing mechanism for possessing the injection moulding machine of temperature regulation section.The position that temperature easily changes is because of matched moulds Device and it is different, be suitable for temperature regulation section 7, temperature detecting part 8,9 position it is also different.Therefore, as shown in fig. 6, can be by Fixed disk 1 regard movable plate 2 as controlled target temperature mould disks as temperature reference object mould disks.But, installed in tool When having the mould disks of support feet 5, because the thermal expansion of support feet 5 is overriding, institute compared with the thermal expansion of mould disks body Not reside at the body of mould disks in support feet 5.For example, the installation site of temperature regulation section 7 can as Fig. 5 that Sample is arranged on the support feet 13 of movable plate 2 when movable plate 2 is provided with support feet 5 as shown in Figure 6 on movable plate 2 On.
(embodiment 3)
As shown in figure 9, using formula (3), the centre-height of movable plate 2 and the centre-height identical of fixed disk 1 is movable The combination of disk temperature and fixed disk temperature is stored in machinery in the form of a table, can be according to the temperature of temperature fundamental objects mould disks Degree carrys out the target temperature of controlled temperature control object mould disks.Furthermore, it is possible to which formula (3) is stored in machinery as mathematical expression.
In the above-described embodiment, set at least one party of the support feet of the two sides of temperature reference object mould disks First temperature detecting part, temperature detecting part is set at least one party of the support feet of the two sides of controlled target temperature mould disks And temperature regulation section.

Claims (5)

1. a kind of mold closing mechanism of injection moulding machine, it has the fixed disk for keeping affixed side metal die and keeps drawer at movable side gold Belong to the movable plate of mould, the mold closing mechanism of the injection moulding machine is characterised by,
Using any one party in the movable plate and the fixed disk as temperature reference object mould disks, using the opposing party as Controlled target temperature mould disks,
The first temperature detecting part is set in the temperature reference object mould disks,
Second temperature test section and temperature regulation section are set in the controlled target temperature mould disks,
The mold closing mechanism is provided with storage part, and it is by the temperature of temperature reference object mould disks and temperature reference object mould disks The relation of centre-height is stored as the first relation, and by the temperature and controlled target temperature of controlled target temperature mould disks The relation of the centre-height of mould disks is stored as the second relation,
The mold closing mechanism has target temperature calculating part, its temperature reference pair detected according to first temperature detecting part As the temperature and the first relation of mould disks obtain the centre-height of temperature reference object mould disks, and the temperature obtained according to this The centre-height of reference object mould disks and the second relation obtain the centre-height and temperature reference of controlled target temperature mould disks The target temperature of the centre-height identical controlled target temperature mould disks of object mould disks,
Being controlled by the temperature regulation section makes the temperature of the controlled target temperature mould disks turn into the target temperature.
2. a kind of mold closing mechanism of injection moulding machine, it has the fixed disk for keeping affixed side metal die and keeps drawer at movable side gold Belong to the movable plate of mould, the mold closing mechanism of the injection moulding machine is characterised by,
Using any one party in the movable plate and the fixed disk as temperature reference object mould disks, using the opposing party as Controlled target temperature mould disks,
The first temperature detecting part is set in the temperature reference object mould disks,
Second temperature test section and temperature regulation section are set in the controlled target temperature mould disks,
The mold closing mechanism is provided with storage part, and it is by the centre-height of controlled target temperature mould disks and temperature reference object mould The relation of the temperature of temperature reference object mould disks when the centre-height of disk is identical and the temperature of controlled target temperature mould disks Stored as the 3rd relation,
The mold closing mechanism has target temperature calculating part, and it is asked according to the temperature and the 3rd relation of temperature reference object mould disks Go out the centre-height of controlled target temperature mould disks and the centre-height identical temperature control pair of temperature reference object mould disks As the target temperature of mould disks,
Being controlled by the temperature regulation section makes the temperature of the controlled target temperature mould disks turn into the target temperature.
3. the mold closing mechanism of injection moulding machine according to claim 1 or 2, it is characterised in that
The temperature reference object mould disks have support feet in the two sides of mould disks, are set at least one party of the support feet Put the first temperature detecting part.
4. the mold closing mechanism of injection moulding machine according to claim 1 or 2, it is characterised in that
The controlled target temperature mould disks have support feet in the two sides of mould disks, are set at least one party of the support feet Put second temperature test section and temperature regulation section.
5. the mold closing mechanism of injection moulding machine according to claim 1 or 2, it is characterised in that
The temperature regulation section is any one in electric heater, electrical heating cooling element, the thermoregulator based on fluid.
CN201410312056.0A 2013-07-02 2014-07-02 Possesses the mold closing mechanism of the injection moulding machine of temp regulating function Active CN104275781B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013139000A JP5698804B2 (en) 2013-07-02 2013-07-02 Molding device for injection molding machine with temperature control function
JP2013-139000 2013-07-02

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CN104275781A CN104275781A (en) 2015-01-14
CN104275781B true CN104275781B (en) 2017-10-20

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Publication number Priority date Publication date Assignee Title
JP7080695B2 (en) * 2018-03-29 2022-06-06 住友重機械工業株式会社 Injection molding machine

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2000271981A (en) * 1999-03-26 2000-10-03 Toyo Mach & Metal Co Ltd Method for regulating temperature of die plate and injection molding machine having mechanism for executing same
CN102105285A (en) * 2008-11-06 2011-06-22 三菱重工塑胶科技有限公司 Mold temperature control circuit of injection molding device and method for discharging heating medium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62264921A (en) * 1986-05-13 1987-11-17 Olympus Optical Co Ltd Injection molding machine
JP2006212980A (en) * 2005-02-04 2006-08-17 Konica Minolta Opto Inc Molding apparatus for optical component and molding method of optical component
JP4714705B2 (en) * 2007-03-16 2011-06-29 日精樹脂工業株式会社 Molding device for injection molding machine
WO2008152971A1 (en) * 2007-06-14 2008-12-18 Konica Minolta Opto, Inc. Injection molding method and injection molding apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000271981A (en) * 1999-03-26 2000-10-03 Toyo Mach & Metal Co Ltd Method for regulating temperature of die plate and injection molding machine having mechanism for executing same
CN102105285A (en) * 2008-11-06 2011-06-22 三菱重工塑胶科技有限公司 Mold temperature control circuit of injection molding device and method for discharging heating medium

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DE102014009423B4 (en) 2017-05-11
CN104275781A (en) 2015-01-14
JP5698804B2 (en) 2015-04-08
JP2015009547A (en) 2015-01-19

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