CN100377857C - Injection molding machine, injection molding method and injection molded article - Google Patents

Injection molding machine, injection molding method and injection molded article Download PDF

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Publication number
CN100377857C
CN100377857C CNB031082696A CN03108269A CN100377857C CN 100377857 C CN100377857 C CN 100377857C CN B031082696 A CNB031082696 A CN B031082696A CN 03108269 A CN03108269 A CN 03108269A CN 100377857 C CN100377857 C CN 100377857C
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China
Prior art keywords
injection
aforementioned
resin material
injection device
resin
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CNB031082696A
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CN1446680A (en
Inventor
笹谷悦明
阿部健四郎
渡边正敏
园部哲也
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Canon Inc
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Canon Inc
Canon Chemicals Inc
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Publication of CN1446680A publication Critical patent/CN1446680A/en
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Abstract

Molding a molded product integrally constituted of resin materials having many qualities and many colors simply and inexpensively without using exclusive molding machines for many qualities and many colors. In an injection molding machine for molding the molded product wherein at least two kinds of resin materials are integrated by injecting at least two kinds of resin materials having different compositions and hues in molds 3 and 4, an injection device 7 for injecting at least one resin material among at least two kinds of resin materials is integrally attached to the mold 3.

Description

Injection machine and injection molding method and injection-molded article
Technical field
The present invention relates to and to form or the different resin material more than 2 kinds of tone is injected in the metal pattern, is configured as the technology of the incorporate formed products of resin material more than 2 kinds.
Background technology
The summary formation of the special-purpose injection machine of existing general combined shaping is shown in Fig. 7.40 expressions inject the injection member of first kind of resin, and 41 expressions inject the injection member of second kind of resin, and the 42nd, be installed on the fixation side metal pattern of forming machine, the 43rd, mobile side metal pattern.
As mentioned above, be the formed products that is shaped and constitutes by many materials, masstone, general adopt such method: injection member 40 that the configuration picture injects first kind of resin in a forming machine and a plurality of injection devices that inject the injection member 41 of second kind of resin, from each injection device to the cavity injection resin that constitutes by fixation side metal pattern 42 and mobile side metal pattern 43.
The formed products that also can adopt the metal pattern that will use separately and forming machine to be formed separately is in addition being assembled its incorporate method that makes in the operation of back; Maybe the formed products that is formed separately is inserted in the metal pattern and make its incorporate insertion manufacturing process.
But, under the situation of the special forming machine that uses existing many materials, masstone,, in most cases compare the maximization that becomes with general forming machine owing to must possess a plurality of injection devices, and become the equipment of high price, the capacity that injects of injection device also is limited.Therefore, penetrating under the different situation of capacity at multiple material, may not be only ejecting device to formed products, in penetrating cylinder the resin holdup time elongated, also can produce the problem that influences quality that causes resin decomposition etc. by heat.For example, under the situation of the lid that constitutes HIPS system to be opened/closed on the case shape HIPS container made by the shaping of two looks, generally the side at case is bigger than side's capacity of lid, often has case that the Capacity Ratio of covering is reached 100 situation.Under the situation of the two such look formed products that are shaped with special-purpose two look forming machines, mostly be that first kind of resin injection cylinder and second kind of resin injection cylinder constitute on the capacity roughly the same, as the selected forming machine of the capacity that cooperates case, in the shaping of lid, seem excessive, can not get enough measuring accuracies; Because the holdup time in cylinder becomes very long, and the problem of material because of hot deterioration arranged.As the selected forming machine of the capacity that cooperates lid conversely, the off-capacity that becomes in the shaping of case has the problem of the formed products that can not be shaped.
In addition, need not two look forming processes, be assembled in the incorporate method in the operation of back at the formed products that will be formed separately, must be useful on the structure of assembling that forms formed products, must be equipped with equipment and operation in addition.
Also have, need not two look forming processes, in inserting metal pattern, the formed products that will be formed separately makes in its incorporate insertion manufacturing process, must prepare the insertion formed products in advance, owing to must will add also in general shaping circulation and insert the time that operation has been spent that the problem of lengthening shaping circulation is arranged.
Summary of the invention
Thereby the present invention promptly is because the problems referred to above, and its purpose is need not many materials, the special forming machine of masstone can be easy and formed products that the resin one by many materials, masstone of being shaped at an easy rate constitutes.
In addition, even another object of the present invention is under the different situation of the injection volume of the multiple resin material of injecting, also can carry out stay-in-grade shaping.
Have again, a further object of the present invention is, when obtaining the formed products that constitutes with the resin material one of many materials, masstone, can prevent because of other operations of needs or increase and cost up when increasing the beam worker that is spent in the caused goods manufacture process man-hour.
For solving foregoing problems, achieving the above object, injection machine of the present invention is to be used for the injection machine of forming or the different resin material more than 2 kinds of tone is injected in the metal pattern, shaping makes the aforementioned incorporate formed products of resin material more than 2 kinds, it is characterized in that, with the injection aforementioned more than 2 kinds the injection device of at least a kind of resin material in the resin material be installed on integratedly on the aforementioned metal mould.
In addition, ejection forming method of the present invention is to be used for the injection molding method of forming or the different resin material more than 2 kinds of tone is injected in the metal pattern, shaping makes the aforementioned incorporate formed products of resin material more than 2 kinds, it is characterized in that, used the aforementioned metal pattern of the injection device of at least a resin material in the resin material more than 2 kinds of injection is installed integratedly.
Also have, injection-molded article of the present invention is characterized in that, it is to be shaped by above-mentioned injection molding method.
In addition, injection machine of the present invention be in the die cavity of metal pattern the injecting molten resin material, and be shaped and be processed into the injection machine of formed products, it is characterized in that, it is made the injection member of installing to the aforementioned molten resin material of cavity injection of aforementioned metal pattern on the aforementioned metal mould, on the installing mechanism of aforementioned injection member, be provided with the device that to adjust the installation site between aforementioned metal mould and the aforementioned injection member.
Also have, injection machine of the present invention is characterised in that, in the die cavity that molten resin material is injected into metal pattern and be shaped and process in the injection machine of formed products, make the injection member of on the aforementioned metal mould, installing to the aforementioned molten resin material of aforementioned metal pattern cavity injection, on the installing mechanism of aforementioned injection member, be provided with the device that to adjust the pressure between aforementioned metal mould and aforementioned injection member.
In addition, injection molding method of the present invention is that the various kinds of resin material is injected in the die cavity of metal pattern and the injection molding method of the formed products of shaping composite, it is characterized in that, first injection member of first kind of resin material of injection is installed on the forming machine body, second injection member of injecting second kind of resin material is installed on the aforementioned metal mould; After the injection of aforementioned first injection member finishes, by second kind of resin material of aforementioned second injection member injection aforementioned formed products of processing that is shaped.
Description of drawings
Figure 1A is the side cutaway view of formation of the injection machine of expression one embodiment of the invention.
Figure 1B is the side cutaway view of formation of the injection machine of expression one embodiment of the invention.
Fig. 1 C is the side-looking profile of formation of the injection machine of expression one embodiment of the invention.
Fig. 2 is that expression is fixed in the figure of injection moulding with the formation on the metal pattern with spiral injection device.
Fig. 3 is the figure of the configuration of the expression hopper that drops into material.
Fig. 4 A is the flow chart of action of the device of expression one embodiment.
Fig. 4 B is the flow chart of action of the device of expression one embodiment.
Fig. 5 is the figure of one of the formed products of expression one embodiment example.
Fig. 6 is the figure of expression as the toner container of one of formed products of embodiment example.
Fig. 7 is the figure of the special-purpose injection machine of the existing combined shaping of explanation.
The specific embodiment
Bottom illustrates suitable embodiment of the present invention.
The summary of present embodiment at first is described.
In the present embodiment, the spiral injection device of injecting at least a resin material in the different resin material of multiple composition of injecting or tone is installed on the metal pattern integratedly.
Owing to spiral injection device is installed on the metal pattern integratedly, so can use common forming machine that the resin injection of many materials, masstone is gone in the metal pattern.
In addition, can use the binding fastener one that constitutes by the bolt that has step, pad, spring to be installed on the metal pattern flange portion of being located on the injection device.
The bolt, pad and the spring that have step, injection device is linked be anchored on metal pattern in, can give the load of the nozzle of injection device, to play the effect of the appropriate location that makes it to be crimped on metal pattern with regulation.
Also be provided with on injection device in addition and be used to link the hopper of supplying with resin material and the material supply pipe of injection device, be installed on forming machine when forming at injection moulding with metal pattern, material supply pipe and horizontal angle are 50 °~90 °.
The material supply pipe that links hopper and injection device plays a part suitably to supply with to injection device the resin material of regulation.
In addition, supply with the medium of the injection cylinder portion of powdery resin material, by difference and connect the cooling circuit of injection moulding with metal pattern, shared cooling medium as cooling.
Since tap injection moulding with the cooling circuit of metal pattern, also can supply with cooling medium, so can cool off the injection cylinder portion that supplies material to injection cylinder portion.
Use the metal pattern of the spiral injection device that at least a resin material in the multiple resin material of injecting of injection is installed integratedly, injectable HIPS and PP etc. form different or black and the different resin material more than 2 kinds of tone like that such as orange-yellow like that, make it integrated in metal pattern.
Owing to use one that the metal pattern of spiral injection device is installed, use common forming machine the resin injection of many materials, masstone can be gone in the metal pattern, can make the integrally formed combined shaping of resin material of many materials, masstone.
In addition, when using the incorporate injection moulding of injection device to carry out combined shaping with metal pattern, the injection of being sent the injection member of the forming machine body (being designated hereinafter simply as the forming machine body) with first injection member of injecting first kind of resin material by the forming machine body begins or injects the signal of end, with this signal is to start timer zero point, after through the time of setting on the timer, by being installed on the injection device of injection moulding when injecting resin with metal pattern, by making the injection end signal, the helical position abnormal signal, the plasticity abnormal signal, metering finishes abnormal signal and turns back to the forming machine body, the continuation of the running of control forming machine body or stop, control forming machine body and be loaded on the injection device of injection moulding with metal pattern.
By being to start timer zero point to penetrate beginning from the forming machine body or to penetrate the signal that finishes, after the time of setting on the timer, by being installed on the injection device injecting resin of injection moulding, can suitably adjust the injection time of various kinds of resin thus with metal pattern.And then, by will inject end signal, helical position abnormal signal, plasticity abnormal signal, metering finishes abnormal signal and returns the forming machine body, have to be controlled to the effect that the running of shape machine body continues or stops.
In addition, use one that the metal pattern of the spiral injection device of at least a resin material in the multiple resin material of injecting of injectable is installed, can obtain the incorporate formed products that forms by the resin material of forming or tone is different more than 2 kinds.
So the effect of using common forming machine, can obtaining the combined shaping product that formed by the resin material of forming or tone is different more than 2 kinds is arranged.
In addition, injection-molded article is such as being duplicator, laser beam printer toner container part.
Use common forming machine to be formed or the effect of the toner container part that the resin material more than 2 kinds that tone is different forms so have.
Bottom specifies one embodiment of the invention with reference to accompanying drawing.
Figure 1A is the side cutaway view of formation of the injection machine of expression one embodiment of the invention.
In Figure 1A, the 1st, cavity adaptor plate, the 2nd, the menifold group, the 3rd, fixed bolster plate, the 4th, mobile side template, the 5th, injector plate, the 6th, mobile side installing plate shows the formation that the general injection moulding that uses hot flow path is used metal pattern.In addition, the 7th, spiral injection device, 8a is first kind of resin menifold, 8b is second kind of resin menifold, 9a is first kind of resin valve port, 9b is second kind of resin valve port, and 10a is the die cavity with the goods portion of first kind of resin formation, and 10b is the die cavity with the goods portion of second kind of resin formation.
In the above-described configuration, cavity adaptor plate 1 is fixed in the fixation side pressing plate of forming machine body (not shown), mobile side installing plate 6 is fixed in mobile side guide with the hookup mechanism of bolt connection etc.From first kind of resin that the forming machine body injects, by the menifold 8a and the valve port 9a that are provided with in the menifold group 2, filling is in die cavity 10a.On the other hand, spiral injection device 7 is fixed in the side of menifold group 2 and fixed bolster plate 3, and the front end of injection device 7 is crimped on second kind of resin menifold 8b.In the suitable moment of penetrating first kind of resin from the forming machine body, inject second kind of resin from spiral injection device 7, by menifold 8b and valve port 9b, filling is in die cavity 10b, position and first kind of resin interflow in regulation are shaped by first kind of resin and second kind of combined shaping product that resin constitutes.
In Figure 1B, the 200th, the forming machine body, the 201st, first injection member of first kind of resin of injection, the 202nd, the fixation side pressing plate, the 203rd, mobile side guide, the 204th, metal pattern, the 205th, be installed on the injection member of metal pattern.
Fig. 1 C is the figure with the metal pattern periphery amplification of Figure 1B.The 1st, cavity adaptor plate, the 2nd, the menifold group, the 3rd, fixed bolster plate, the 4th, mobile side template, the 5th, injector plate, the 6th, mobile side installing plate has been expressed a formation of using the general injection moulding of hot flow path with metal pattern.In addition, the 7th, spiral injection device, 8a are first kind of resin menifolds, 8b is second kind of resin menifold, and 9a is first kind of resin valve port, and 9b is second kind of resin valve port, the die cavity of the goods portion that 10a is made of first kind of resin, 10b are the die cavitys of the goods portion that is made of second kind of resin.
In the above-described configuration, cavity adaptor plate 1 is fixed in the fixation side pressing plate 202 of forming machine body 200, mobile side installing plate 6 is fixed in mobile side guide 203 with hookup mechanisms such as bolt connections.From first kind of resin that first injection member 201 of forming machine body 200 injects, by the menifold 8a and the valve port 9a that are provided with in the menifold group 2, filling is in die cavity 10a.On the other hand, spiral injection device 7 is fixed in the side of menifold group 2 and fixed form 3, and the front end of injection device 7 is crimped on second kind of resin menifold 8b.The suitable moment inject first kind of resin from forming machine body 200 injects second kind of resin from spiral injection device 7, by menifold 8b and valve port 9b, and filling die cavity 10b.At position and first kind of resin interflow of regulation, first kind of resin and second kind of combined shaping product that resin constitutes thus are shaped.
Fig. 2 is that expression is fixed in the figure of injection moulding with the formation of metal pattern with spiral injection device 7.
In Fig. 2, the 11st, be located at the mounting flange of injection device 7, the 12nd, have the bolt of step, the 13rd, pad, the 14th, spring, the 15th, have the axial region of the bolt of step, the 16th, have the threaded portion of the bolt of step, the 17th, the spray nozzle front end portion of injection device 7.
In the above-described configuration, the bolt 12 that has step runs through flange 11 with suitable cooperation, and the axial region 15 that has the bolt of step is matched with injection moulding with the side of metal pattern with suitable cooperation, and the threaded portion 16 with the bolt that has step is connected again.Because injection moulding matches with the bolt 12 that has step with suitable cooperation respectively with flange 11 with metal pattern, so injection moulding can be guaranteed suitable relative position relation with metal pattern and injection device 7.
The spray nozzle front end 17 of injection device 7, must contact the menifold 8b that second kind of resin used, in case the resin leakage of fusion, but, length from the flange 11 of injection device 7 to spray nozzle front end portion 17, when changing because of operating accuracy or variation of temperature, second kind of resin contacts pressure and may change with the spray nozzle front end portion 17 of menifold 8b and injection device 7.That is, shorten as the length from the flange 11 of injection device 7 to spray nozzle front end portion 17, contact pressure reduces, the danger that has molten resin to leak; Conversely, elongated as length, the contact increased pressure has the danger of causing injection device 7 and menifold 8b distortion again.Therefore, in the present embodiment, be provided with spring 14 and pressing the pad 13 of spring at flange 11 and 12 on bolt having a step.By this spring 14, can make injection device 7 be contacted with menifold 8b with suitable pressure, can absorb the variation of length simultaneously from flange 11 to spray nozzle front end portion 17.
Fig. 3 is the figure of the configuration of the expression hopper that drops into material.
In Fig. 3, the 18th, the hopper of input material, the 19th, from the material supply pipe of hopper to injection device 7 conveying materials, the 20th, the material supply port of injection device 7,21 and 22 is first and second cooling tubes that are used for coolant supply port 20 bottoms, 24 and 25 is injection moulding first and second cooling circuits in the metal pattern, the 23rd, the flexible pipe of first cooling circuit 24 in connection second cooling tube 22 and the metal pattern, 26 and 27 is first and second flexible pipes that are connected in outside cooling device (not shown).
In the above-described configuration, drop into the powdery resin material of hopper 18,, supply to the material supply port 20 of injection device 7 by material supply pipe 19, melt-blended in injection device 7.Under the corresponding to situation of horizontal line of the center line of such in the drawings injection device 7 and forming machine body (not shown), the angle that the horizontal line of the center line of material supply pipe 19 and forming machine body constitutes, become the α among the figure, under the situation of the powder of confirming use HIPS (high strength polystyrene), during less than 50 °, there is material to supply with the problem of interrupting at angle α; In this angle initialization is 50 °~90 ° present embodiment, can supply with material continuously, good effect is arranged.
Secondly, bad for preventing nipping of material in general spiral injection device, be mostly to supply with cooling water to the injection cylinder rear portion, carry out the temperature adjustment; But a part of telling in the present embodiment, the cooling circuit of metal pattern come coolant supply port 20 near.If original structure, cooling medium from the external refrigeration unit feeding, be connected to after first cooling circuit 24 in the metal pattern, the cool metal mould from connecting flexible pipe 26, connect flexible pipe 27, be recovered to outside cooling device via second loop 25, second in the metal pattern.Thereby, near the material supply port 20 for cooling injection device 7, cooling device must be set in addition.For getting rid of this unnecessary equipment, in the present embodiment, first connects flexible pipe 26, first cooling tube 21 that connects injection device 7, after near the coolant supply port 20,, be connected to metal pattern first cooling circuit 24 via second cooling tube 22, flexible pipe 23, connect flexible pipe 27 via second cooling circuit 25, second again, be recovered to outside cooling device.
Fig. 4 A, Fig. 4 B are the flow charts of action of the device of expression present embodiment.
In Fig. 4 A, Fig. 4 B, the 28th, from the automatic or semi-automatic CRANK PULSES of forming machine body, the 29th, the injection commencing signal of forming machine body, the 30th, the pressurize commencing signal of forming machine body, the 31st, from injection device 7 injection end signals, the 32nd, the helical position abnormal signal of injection device 7, the 33rd, from the plasticity abnormal signal of injection device 7, the 34th, the metering of injection device 7 finishes abnormal signal.
In the above-described configuration, the automatic or semiautomatic signal 28 from the output of forming machine body, the automatic interlock of injection device 7 begins.Then, the injection commencing signal 29 that output comes from the forming machine body, restore the circulation of injection device 7 sides after, since be starting point from the pressurize commencing signal 30 of forming machine body, make the timer start of injection device 7 sides.After the time of setting on the timer, injection device 7 start injections make injection end signal 31 be passed to the forming machine body after injection finishes.Then, injection device 7 takes place respectively helical position abnormal signal 32, plasticity abnormal signal 33, metering to be finished abnormal signal 34 when unusual separately at it and is passed to the forming machine base side, when this signal is input to the forming machine body, the forming machine body is stopped.By such formation, can adjust the injection time of injection device 7 sides, when any abnormal conditions take place, comprise the forming machine body, can make it stop continuous running.
Fig. 5 is the figure of one of the formed products of expression present embodiment example.
In Fig. 5, the 35th, the goods portion that constitutes with first kind of resin, the 36th, the goods portion that constitutes with second kind of resin of injection device 7 injections, the position that 37 is first kind of resin collaborates with second kind of resin from forming machine body injection.
From first kind of resin of forming machine body injection, filling goods portion 35; From second kind of resin fill goods portion 36 of injection device 7 injections, and at 37 interflow, position, interflow.To the adjustment of position at position 37, interflow, the such shape of present embodiment can be undertaken by the injection time of adjusting forming machine body and injection device 7 in this way; Also can adopt to insert in metal pattern makes dividing plate retreat, make the method at second kind of resin interflow after dividing plate, either party resin with suitable shape arrive.The foregoing description, owing to adopted on metal pattern one the metal pattern of spiral injection device is installed, so can use common forming machine, in metal pattern the integrally formed formed products that constitutes by the resin of many materials, masstone, can carry out easy and cheap production.
Fig. 6 is the figure of expression as the toner container of one of formed products of present embodiment example.
In Fig. 6, the 38th, the toner container body that constitutes by first kind of resin, the 39th, the joint that constitutes by second kind of resin.In the present embodiment, after forming machine body injection black resin material, shaping toner container body 38, use orange-yellow material as second kind of resin material from injection device 7 injections, shaping joint 39 can make the toner container body 38 of black and orange-yellow joint 39 incorporate two looks be shaped.As mentioned above, as according to the foregoing description, because spiral injection device one is installed on the metal pattern, use common forming machine, can be to the resin of the many materials of metal mold-in injection, masstone, and can be integrated in metal pattern, can carry out easy and cheap production.
In addition, owing to injection device is linked to metal pattern, can make the nozzle of injection device keep the contact pressure of stipulating, the appropriate location that is crimped on metal pattern with the bolt, pad, the spring that have step.
The material supply pipe that links hopper and injection device can suitably be supplied with the resin of regulation to injection device.
Connected the cooling circuit of injection moulding with metal pattern by difference, also can supply with cooling medium to injection cylinder portion, the injection cylinder portion of material is supplied with in cooling, and owing to do not need unnecessary cooling device, can play the effect that reduces equipment investment.
Owing to use one that the metal pattern of spiral injection device is installed, thus common forming machine can be used, to the resin of the many materials of metal mold-in injection, masstone, can be easy and realize the combined shaping of the resin material of integrally formed many materials, masstone at an easy rate.
Since the signal that finishes with injection beginning of forming machine body or injection be start timer zero point, after through the time of setting on the timer, by being installed on the injection device injecting resin of injection moulding, so can suitably adjust the various kinds of resin injection time with metal pattern.And then, turn back to the forming machine body by making injection end signal, helical position abnormal signal, plasticity abnormal signal, metering finish abnormal signal, can be controlled to the continuation of shape machine body running or stop.That is, have to detect and be installed on injection moulding and effect unusual, that control the forming machine body occur with the injection device of metal pattern.
In addition, use common forming machine, can be easy and obtain the combined shaping product that form by the resin material of forming or tone is different more than 2 kinds at an easy rate.
Use common forming machine, can be easy and obtain the toner container part that forms by the resin material of forming or tone is different more than 2 kinds at an easy rate.
As described above, according to the present invention, can many materials, the special forming machine of masstone, easy and formed products that the resin material one by many materials, masstone of being shaped at an easy rate constitutes.
And, even under the different situation of the injection capacity of the multiple resin material of injecting, also can carry out stay-in-grade shaping.
In addition, when the formed products that the resin material one that obtains by many materials, masstone constitutes, owing to need not increase operation and man-hour, so increase and cost up can prevent beam worker that goods spend in making the time.

Claims (8)

1. injection machine, it be a kind of with the resin material more than 2 kinds be injected in the metal pattern, the injection machine of the aforementioned incorporate formed products of resin material more than 2 kinds that is used for being shaped, it is characterized in that,
The injection device one of at least a resin material in the aforementioned resin material more than 2 kinds of injection is installed on the aforementioned metal mould.
2. injection machine as claimed in claim 1 is characterized in that, aforementioned injection device is spiral injection device.
3. injection machine as claimed in claim 1 is characterized in that, aforementioned injection device flexibly is installed on the aforementioned metal mould movably.
4. injection machine as claimed in claim 1 is characterized in that, it has the material supply pipe that is used for supplying with to aforementioned injection device resin material, and this material supply pipe and horizontal angle are set at greater than 50 °.
5. injection machine as claimed in claim 1 is characterized in that, will be equipped on the cooling circuit difference by refrigerant of being used for of this metal pattern for cooling aforementioned metal mould, with the lead injection cylinder of aforementioned injection device of aforementioned refrigerant, to cool off this injection cylinder.
6. injection molding method, it be a kind of with the resin material more than 2 kinds be injected in the metal pattern, the injection molding method of the aforementioned incorporate formed products of resin material more than 2 kinds that is used to be shaped, it is characterized in that,
Aforementioned more than 2 kinds at least a resin material in the resin material from being installed in the injection device injection on the metal pattern integratedly.
7. injection molding method as claimed in claim 6, it is characterized in that, the aforementioned resin material outside the resin material of aforementioned injection device injection in the resin material more than 2 kinds, inject from the forming machine body, according to the ejaculation moment, control the injection time of aforementioned injection device from this forming machine body.
8. injection molding method as claimed in claim 7 is characterized in that, detecting under the unusual situation of aforementioned injection device, stops the running of aforementioned forming machine body.
CNB031082696A 2002-03-27 2003-03-27 Injection molding machine, injection molding method and injection molded article Expired - Fee Related CN100377857C (en)

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CN102049860B (en) * 2010-11-18 2013-09-25 刘显联 Container manufacturing method and structure of container product thereof
JP5855539B2 (en) 2012-07-02 2016-02-09 小島プレス工業株式会社 Two-color molded product manufacturing apparatus and manufacturing method
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JP6438428B2 (en) 2016-04-04 2018-12-12 ファナック株式会社 Injection molding system
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