CN104416875A - Mold matching device of injection molding machine having center position adjustment function for mold plate - Google Patents
Mold matching device of injection molding machine having center position adjustment function for mold plate Download PDFInfo
- Publication number
- CN104416875A CN104416875A CN201410424859.5A CN201410424859A CN104416875A CN 104416875 A CN104416875 A CN 104416875A CN 201410424859 A CN201410424859 A CN 201410424859A CN 104416875 A CN104416875 A CN 104416875A
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- CN
- China
- Prior art keywords
- mould
- temperature
- height
- centre
- temperature control
- 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.)
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Classifications
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- 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
- B29C45/80—Measuring, controlling or regulating of relative position of mould parts
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- 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
-
- 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
- B29C2945/76494—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
- B29C2945/76494—Controlled parameter
- B29C2945/76568—Position
- B29C2945/76581—Position distance
-
- 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
- B29C2945/76702—Closure or clamping device
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 mold matching device of an injection molding machine, wherein a fixed plate is adopted as a temperature control object mold plate and a movable plate is adopted as a height datum mold plate. A displacement detection part is arranged on a fixed-side metal mold and a movable-side metal mold to detect the centre offset of the fixed plate and the movable plate. When a temperature difference is generated between the fixed plate and the movable plate, a temperature control device controls the temperature to eliminate the offset.
Description
Technical field
The present invention relates to a kind of mold closing mechanism, in injection moulding machine, using the benchmark of the side in the fixed die of mold closing mechanism and But moving die as centre-height, detect the difference of the centre-height of fixed disk and movable plate, control the centre-height of the opposing party in the mode of the difference eliminating centre-height.
Background technology
In the precision form of forming lens etc., even if be the small off-centring of fixation side metal die and drawer at movable side metal die, also can reduce the form accuracy of formed products.As the reason of off-centring, enumerate the temperature difference of fixed die and But moving die.In the precision form of forming lens etc., sometimes form at the metal die temperature of 80 DEG C ~ 130 DEG C.Now, because fixed die and the temperature difference of But moving die cause fixed die different from the degree of the thermal expansion of But moving die, so the center of But moving die and fixed die produces deviation, and off-centring is produced.
In addition, the peripheral part of fixed disk and movable plate is easily by the impact of room temperature change, and central part is not easy influenced.Therefore, by the structure of movable plate or fixed disk, according to the change of room temperature, off-centring can be produced.
Therefore, whenever producing the deviation of center of movable plate and fixed disk, need to eliminate its deviation.The Height Adjustment of movable plate takes the method for the below pad pad at movable plate, and because machine stops and spended time by needs, the temperature change of the machine in being shaped so corresponding is more difficult.，
In addition, technology disclosed in Japanese Unexamined Patent Publication 2007-260945 publication, by the height of the rotation adjustment movable plate of roller.Technology disclosed in Japanese Unexamined Patent Publication 2008-246783 publication, by the X-Y conveying mechanism be arranged between drawer at movable side metal die and movable plate, the position of adjustment drawer at movable side metal die.Technology disclosed in Japanese Unexamined Patent Publication 2009-269184 publication, the adjustment of the off-centring of metal die is carried out in the temperature adjustment loop being located at holding components in using.
Japanese Unexamined Patent Publication 2007-260945 publication, by the height of the rotation adjustment movable plate of roller, the design alteration of Machinery Ministry is many.Japanese Unexamined Patent Publication 2008-246783 publication, die sinking amount reduces the degree of the thickness of X-Y conveying mechanism.Japanese Unexamined Patent Publication 2009-269184 publication, is located at the temperature adjustment loop of holding components, carries out the adjustment of the off-centring of metal die, but mention about the automatic controls eliminating off-centring in using.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of mold closing mechanism of injection moulding machine, possess the difference of the side in the fixed disk of mold closing mechanism and movable plate as the centre-height of the benchmaring fixed disk of centre-height and movable plate, control the mould center adjustment function of the centre-height of the opposing party in the mode being eliminated difference in height by thermostat unit.
The mold closing mechanism of the injection moulding machine made according to the present invention has the movable plate keeping drawer at movable side metal die and the fixed disk keeping fixation side metal die, using any one party in above-mentioned movable plate and above-mentioned fixed disk as controlled target temperature mould, using the opposing party as altitude datum mould, have: the thermostat unit being configured at the mould of said temperature control object; Measure the determining displacement unit of the difference of the centre-height of above-mentioned altitude datum mould and the centre-height of said temperature control object mould; In the mode that the centre-height of above-mentioned controlled target temperature mould is identical with the centre-height of above-mentioned altitude datum mould, based on by the above-mentioned centre-height of above-mentioned altitude datum mould of determining displacement unit mensuration and the difference of the centre-height of said temperature control object mould, said temperature regulon is utilized to control the temperature control equipment of the temperature of said temperature control object mould.
Can for carrying out the structure of following control: when the centre-height of said temperature control object mould is lower than the centre-height of above-mentioned altitude datum mould, improve the design temperature of said temperature regulon, reduce the design temperature of said temperature regulon when the centre-height of said temperature control object mould is higher than the centre-height of above-mentioned altitude datum mould.
Said temperature control object mould, has feet in the two sides of mould, at least one party's set temperature regulon in above-mentioned feet.
The present invention is by possessing above structure, can provide and possess the benchmaring of a side of the fixed disk of mold closing mechanism and movable plate as centre-height, detect the difference of the centre-height of fixed disk and movable plate, control the mold closing mechanism of the injection moulding machine of the mould center adjustment function of the centre-height of the opposing party in the mode eliminating centre-height difference according to thermostat unit.
Accompanying drawing explanation
Above-mentioned and other object of the present invention and feature are more clear from the explanation of following examples with reference to accompanying drawing, in these figures:
Fig. 1 is the figure that temperature control equipment is described.
Fig. 2 is the sectional view observed along arrow A direction in FIG.
Fig. 3 is the schematic diagram of the off-centring produced when illustrating that temperature rises.
Fig. 4 is the schematic diagram that the off-centring correction utilizing temperature adjuster to carry out is described.
Fig. 5 is the figure that the temperature controlled flow process in carrying out in embodiment 1 structure is described.
Fig. 6 is the schematic diagram of the temperature control equipment on movable plate with temperature adjuster.
Fig. 7 is the schematic diagram of the temperature control equipment on the pin of But moving die with temperature adjuster.
Fig. 8 is the figure that the temperature controlled flow process in carrying out in embodiment 2 structure is described.
Detailed description of the invention
< embodiment 1>
Fig. 1 is the accompanying drawing that temperature control equipment is described.Fig. 2 is the sectional view observed along arrow A direction in FIG.Fig. 3 is the schematic diagram of the off-centring produced when illustrating that temperature rises.Fig. 4 is the schematic diagram that the off-centring correction undertaken by temperature reconditioner is described.
Injection moulding machine is oppositely disposed injection mechanism portion and clamping portion on not shown base, controls injection mechanism portion and clamping portion by control device, performs forming period.Clamping portion possesses the fixed disk 1 of the fixation side metal die 3a installed in metal die 3, installs the movable plate 2 of the drawer at movable side metal die 3b in metal die 3.Further, temperature control equipment 9 described later can realize a kind of function as the control device controlling injection moulding machine.
Fixed disk 1 is by the center of both sides, feet 5,5 support level direction.At this, the point supported by feet 5 is called fixing point.Fixed disk 1 is connected by guide rod 4 with not shown rear fender.Movable plate 2 can moving axially along guide rod 4, formed in the mode can freely retreated relative to fixed disk 1.
In the clamping portion shown in Fig. 1, Fig. 2, using fixed disk 1 as controlled target temperature mould, using movable plate 2 as altitude datum mould.Displacement detecting portion 8 is arranged on fixation side metal die 3a and drawer at movable side metal die 3b, detects the skew of the central shaft of fixed disk 1 and movable plate 2.The displacement detection signal detected by displacement detecting portion 8 inputs in temperature control equipment 9.The temperature of temperature control equipment 9 control temperature conditioner 7.Fixed disk 1 has the feet 5 connected by fixing point 6, and temperature adjuster 7 is arranged on feet 5.
Further, as displacement detecting portion 8, the displacement transducer of line measurement formula sensor, magnetic sensor, ultrasonic sensor, eddy current type sensor, electro-optical pickoff, laser type sensor can be used.Further, such as, as displacement detecting portion 8, fixation side metal die 3a arranges sending side key element, drawer at movable side metal die 3b arranges receiver side key element, can displacement detector be formed with both.In addition, as temperature adjuster 7, the thermoregulator etc. relying on electric heater, electric heating cooling element, utilize fluid can be used.
When producing temperature difference on fixed disk 1 and movable plate 2, as shown in Figure 3, due to the difference of the thermal expansion of fixed disk 1 and movable plate 2, the central shaft of fixed disk 1 and movable plate 2 misplaces.Illustrate the central shaft that is in relative to the movable plate 2 as reference disk in figure 3, the state that the central shaft of fixed disk 1 is low.
Therefore, the method for temperature control equipment 9 according to the flow chart in Fig. 5, eliminates the skew at its center.If displacement detecting portion 8 detects off-centring (SA01), first temperature control equipment 9 judges that the centre-height of fixed disk 1 is whether lower than the centre-height (SA02) of movable plate 2.When the centre-height of fixed disk 1 is lower than the centre-height of movable plate 2, because needs make fixed disk 1 thermal expansion, so temperature control equipment 9 improves the design temperature (SA03) of temperature adjuster 7.When the centre-height of fixed disk 1 is higher than the centre-height of movable plate 2, need the thermal expansion reducing fixed disk 1, therefore, temperature control equipment 9 reduces the design temperature (SA04) of temperature adjuster 7.Temperature control equipment 9 continues to change this design temperature to off-centring and is adjusted to below feasible value (SA05).If off-centring is adjusted to below feasible value, then temperature control equipment 9 completes the control of design temperature.
Temperature control equipment 9, according to the temperature of the mode control temperature conditioner 7 of the flow chart of Fig. 5, can make fixation side metal die 3a consistent with the central shaft of drawer at movable side metal die 3b.Further, the control of temperature adjuster 7 can be that on-off controls, and also can be that current value controls.Displacement detecting portion 8 can be set on fixed disk 1 and movable plate 2.
< embodiment 2>
Fig. 6 is the schematic diagram of the temperature control equipment on movable plate with temperature adjuster.Fig. 7 is the schematic diagram of the temperature control equipment on the pin of movable plate with temperature adjuster.It is different according to mold closing mechanism that temperature holds labile position, so the position being suitable for temperature adjuster 7 and temperature detecting part 8 setting is also different.Therefore, as shown in Figure 7, can using fixed disk 1 as altitude datum mould, using movable plate 2 as controlled target temperature mould., when being arranged on the mould with feet 5 by temperature adjuster 7, the thermal expansion aspect of feet has more mastery than the thermal expansion of mould main body, so, not mould main body but on feet 5, temperature adjuster 7 be installed.Such as, the installation site of temperature adjuster 7 as shown in Figure 6, can on movable plate 2, as shown in Figure 7, when feet 5 is arranged on movable plate 2, and set temperature conditioner 7 on the feet 5 of movable plate 2.
At this, use the temperature controlled process in flow chart key diagram 7 situation of Fig. 8.
The method of temperature control equipment 9 according to the flow chart of Fig. 8, eliminates its off-centring.If displacement detecting portion 8 detects off-centring (SB01), then first temperature control equipment 9 judges that the centre-height of movable plate 2 is whether lower than the centre-height (SB02) of fixed disk 1.When the centre-height of movable plate 2 is lower than the centre-height of fixed disk 1, need to make movable plate 2 thermal expansion, therefore, temperature control equipment 9 improves the design temperature (SB03) of temperature adjuster 7.When the centre-height of movable plate 2 is higher than the centre-height of fixed disk 1, need the thermal expansion of movable plate 2 to reduce, therefore, temperature control equipment 9 reduces the design temperature (SB04) of temperature adjuster 7.Temperature control equipment 9 continues the change of this design temperature until off-centring is adjusted to below feasible value (SB05).If be adjusted to below feasible value, then temperature control equipment 9 completes the setting of design temperature.
As mentioned above, make mould thermal expansion by temperature control equipment by serviceability temperature regulon, control the centre-height of mould.Thermostat unit is easy structure that can be external, so the present invention is also easily suitable in machinery after assembling.And, the quantity using parts can be controlled, so, not only do not need the system of high price, and improve maintainability and reliability.
Claims (3)
1. a mold closing mechanism for injection moulding machine, it has the movable plate keeping drawer at movable side metal die, the fixed disk keeping fixation side metal die, and possess mould center adjustment function, the feature of the mold closing mechanism of this injection moulding machine is,
Using any one party in above-mentioned movable plate and above-mentioned fixed disk as controlled target temperature mould, using the opposing party as altitude datum mould,
Possess:
Be disposed in the thermostat unit on said temperature control object mould;
Measure the determining displacement unit of the difference of the centre-height of above-mentioned altitude datum mould and the centre-height of said temperature control object mould; And
Temperature control equipment, it is in the centre-height of the above-mentioned controlled target temperature mould mode identical with the centre-height of above-mentioned altitude datum mould, based on by the above-mentioned centre-height of above-mentioned altitude datum mould of determining displacement unit mensuration and the difference of the centre-height of said temperature control object mould, said temperature regulon is utilized to control the temperature of said temperature control object mould.
2. the mold closing mechanism of injection moulding machine according to claim 1, is characterized in that,
Carry out following control: when the centre-height of said temperature control object mould is lower than the centre-height of above-mentioned altitude datum mould, improve the design temperature of said temperature regulon, when the centre-height of said temperature control object mould is higher than the centre-height of above-mentioned altitude datum mould, reduce the design temperature of said temperature regulon.
3. the mold closing mechanism of injection moulding machine according to claim 1 and 2, is characterized in that,
Said temperature control object mould has feet in the two sides of mould, at least one party's set temperature regulon of above-mentioned feet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-178399 | 2013-08-29 | ||
| JP2013178399A JP5705931B2 (en) | 2013-08-29 | 2013-08-29 | Molding device for injection molding machine with center position adjustment function of mold platen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104416875A true CN104416875A (en) | 2015-03-18 |
| CN104416875B CN104416875B (en) | 2016-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410424859.5A Active CN104416875B (en) | 2013-08-29 | 2014-08-26 | Possesses the mold closing mechanism that mould center adjusts the injection moulding machine of function |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5705931B2 (en) |
| CN (1) | CN104416875B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497673A (en) * | 2020-12-14 | 2021-03-16 | 武汉沃美康科技有限公司 | Injection mold with accurate positioning |
| CN113941702A (en) * | 2021-09-17 | 2022-01-18 | 芜湖永达科技有限公司 | Cylinder body pouring mold closing device with assembly point position detection function |
| CN114147916A (en) * | 2021-10-29 | 2022-03-08 | 浠水发祥模具材料股份有限公司 | Guide positioning mechanism for plastic mold core and use method thereof |
| CN114293404A (en) * | 2021-12-31 | 2022-04-08 | 珠海格力智能装备有限公司 | Heating control method for forming die |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6185011B2 (en) * | 2015-06-16 | 2017-08-23 | ファナック株式会社 | Injection molding system |
| GB201918398D0 (en) * | 2019-12-13 | 2020-01-29 | Surface Generation Ltd | Method of moulding and mould tool |
| WO2022117214A1 (en) * | 2020-12-04 | 2022-06-09 | Ev Group E. Thallner Gmbh | Positioning device, treatment device and precise adjustment method |
| CN112677413A (en) * | 2020-12-08 | 2021-04-20 | 伊之密精密机械（苏州）有限公司 | Be applied to eccentric die assembly and supplementary adjusting device of injection molding machine |
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| EP1733862A1 (en) * | 2005-06-17 | 2006-12-20 | The Japan Steel Works, Ltd. | Mold clamping apparatus of injection molding machine and method of adjusting effective length of tie bar |
| JP2009178919A (en) * | 2008-01-30 | 2009-08-13 | Konica Minolta Opto Inc | Molding mold and molding method |
| JP4685428B2 (en) * | 2004-12-13 | 2011-05-18 | パナソニック株式会社 | Molding equipment |
| JP2012245744A (en) * | 2011-05-30 | 2012-12-13 | Toshiba Mach Co Ltd | Mold clamping device, molding machine, mold platen, method for controlling mold clamping device and mold platen |
| CN103025496A (en) * | 2010-07-30 | 2013-04-03 | 柯尼卡美能达先进多层薄膜株式会社 | Molding device and molding method |
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2013
- 2013-08-29 JP JP2013178399A patent/JP5705931B2/en active Active
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2014
- 2014-08-26 CN CN201410424859.5A patent/CN104416875B/en active Active
Patent Citations (5)
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| JP4685428B2 (en) * | 2004-12-13 | 2011-05-18 | パナソニック株式会社 | Molding equipment |
| EP1733862A1 (en) * | 2005-06-17 | 2006-12-20 | The Japan Steel Works, Ltd. | Mold clamping apparatus of injection molding machine and method of adjusting effective length of tie bar |
| JP2009178919A (en) * | 2008-01-30 | 2009-08-13 | Konica Minolta Opto Inc | Molding mold and molding method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497673A (en) * | 2020-12-14 | 2021-03-16 | 武汉沃美康科技有限公司 | Injection mold with accurate positioning |
| CN113941702A (en) * | 2021-09-17 | 2022-01-18 | 芜湖永达科技有限公司 | Cylinder body pouring mold closing device with assembly point position detection function |
| CN113941702B (en) * | 2021-09-17 | 2023-02-28 | 芜湖永达科技有限公司 | Cylinder body pouring mold closing device with assembly point position detection function |
| CN114147916A (en) * | 2021-10-29 | 2022-03-08 | 浠水发祥模具材料股份有限公司 | Guide positioning mechanism for plastic mold core and use method thereof |
| CN114293404A (en) * | 2021-12-31 | 2022-04-08 | 珠海格力智能装备有限公司 | Heating control method for forming die |
| CN114293404B (en) * | 2021-12-31 | 2023-10-24 | 珠海格力智能装备有限公司 | Heating control method of forming die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104416875B (en) | 2016-10-26 |
| JP2015044394A (en) | 2015-03-12 |
| JP5705931B2 (en) | 2015-04-22 |
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