CN205009541U - Online mixing injection moulding device - Google Patents
Online mixing injection moulding device Download PDFInfo
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- CN205009541U CN205009541U CN201520642612.0U CN201520642612U CN205009541U CN 205009541 U CN205009541 U CN 205009541U CN 201520642612 U CN201520642612 U CN 201520642612U CN 205009541 U CN205009541 U CN 205009541U
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Abstract
The utility model discloses an online mixing injection moulding device, including the feed system, the injection system, mode locking system and control system, the injection system includes the extruder, the injection jar, pressurize jar and change -over valve device, the change -over valve device is connected with the mode locking system through penetrating the mouth, the change -over valve device includes valve body and case, the case is arranged in the valve body, characteristics be be provided with on the valve body respectively with online mixing injection molding machine in the extruder, the injection jar, pressurize jar and the first valve body passageway of penetrating mouth one -to -one intercommunication, second valve body passageway, third valve body passageway and fourth valve body passageway, be provided with in the case along axial interval distribution and mutually independent measurement channel group, injection channel group and pressurize channel group, be provided with case displacement drive mechanism on the valve body, the advantage is owing to be provided with the pressurize passageway on the case of change -over valve device for the injection jar just carries out the feeding in the pressurize stage, compares with traditional online mixing injection molding machine, under the circumstances of the same runner size, adopts this change -over valve device, can shorten the molding cycle of online mixing injection molding machine, and production efficiency can improve 10-20%.
Description
Technical field
The utility model relates to online mixing injection machine, namely the equipment that injection machine and extruder are combined, particularly relates to a kind of online mixing injection molding apparatus.
Background technology
As everyone knows, injection machine and injection molding process are widely used in the manufacture of plastic items.At present, injection machine and extruder are essentially two kinds of independently equipment, and extruder mainly carries out modification granulation to raw materials for plastics production, and modification granulation material is carried out injection mo(u)lding by injection machine, are equivalent to " two-step method " shaping.But this forming method not only makes cost of material higher, and in injection molding process, plastics modification granulation and shaping time through twice heating, this causes the damage of the molecular structure of plastics comparatively serious, affects the quality and performance of plastic products.
In order to reduce cost of material, improve the quality and performance of plastic products, abroad someone designs online mixing injection machine, namely injection machine and extruder are combined, it is integrated with the compounding function of plastics of extruder and the shaping function of injection machine, the direct compounding moulded plastic products of raw material can be used, realize " one-step method " shaping.Period, as long as plastic pellet is through once heating, reducing the damage to plastic molecules structure, improve the quality and performance of plastic products.But current online mixing injection machine, it is expelled to plastic melt after in mould by injection cylinder, and by injection cylinder setting time in melt pressurize, this makes its molding cycle relatively long, production efficiency need improve.
Summary of the invention
Technical problem to be solved in the utility model is to provide one can shorten molding cycle, the online mixing injection molding apparatus of enhancing productivity.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of online mixing injection molding apparatus, comprise feed system, injecting systems, clamping system and control system, described injecting systems comprises extruder, injection cylinder, pressurize cylinder and switching-valve arrangement, described feed system is connected with described extruder, described extruder, described injection cylinder, described pressurize cylinder is connected with described switching-valve arrangement respectively, described switching-valve arrangement is connected with described clamping system by nozzle, described switching-valve arrangement comprises valve body and spool, described spool is arranged in described valve body and can slides at described valve body, described valve body is provided with respectively with described extruder, described injection cylinder, the first valve channel that described pressurize cylinder is communicated with described nozzle one_to_one corresponding, second valve channel, 3rd valve channel and the 4th valve channel, measurement channel group spaced apart and separate is vertically provided with in described spool, injection canal group and pressurize passage group, described valve body is provided with spool moving drive mechanism, under the driving of described spool moving drive mechanism, in whole injection molding process, at metering phase, described measurement channel group respectively with the first described valve channel, the second described valve channel is connected with the 3rd described valve channel, at injection stage, described injection canal group respectively with the first described valve channel, the second described valve channel, the 3rd described valve channel is connected with the 4th described valve channel, at packing stage, the first valve channel that described pressurize channel constituents is other and described, the second described valve channel, the 3rd described valve channel is connected with the 4th described valve channel.
Described measurement channel group comprises the first measurement channel and the second measurement channel, the first described measurement channel and the first described valve channel, the second described valve channel is connected, the second described measurement channel and the second described valve channel, the 3rd described valve channel is connected, described injection canal group comprises the first injection canal and the second injection canal, the first described injection canal and the first described valve channel, the 3rd described valve channel is connected, the second described injection canal and the second described valve channel, the 4th described valve channel is connected, described pressurize passage group comprises the first pressurize passage and the second pressurize passage, the first described pressurize passage and the first described valve channel, the second described valve channel is connected, the second described pressurize passage and the 3rd described valve channel, the 4th described valve channel is connected.
Described measurement channel group, described injection canal group and described pressurize passage group are arranged in order and are along the circumferential direction staggeredly located out in described spool.
Described spool moving drive mechanism is oscillating motor, and the cylinder body of described oscillating motor is fixedly connected on described valve body, and the driving shaft of described oscillating motor is fixedly connected with described spool.
Described spool moving drive mechanism comprises hydraulic cylinder and motor, and the driving shaft of described motor is fixedly connected with the cylinder body of described hydraulic cylinder, and the driving shaft of described hydraulic cylinder is fixedly connected with described spool.
Compared with prior art, the utility model has the advantages that and the spool due to switching-valve arrangement is provided with pressurize passage, injection cylinder is made just to carry out charging at packing stage, compared with traditional online mixing injection machine, when identical channel size, adopt this switching-valve arrangement, can shorten the molding cycle of online mixing injection machine, production efficiency can improve 10 ~ 20%; If when identical molding cycle, adopt this switching-valve arrangement, the channel size of online mixing injection machine can be made to reduce about 15%, make the more compact structure of online mixing injection machine, reduce equipment cost.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is the stereogram of injecting systems of the present utility model;
Fig. 4 is the stereogram of the spool of the utility model embodiment one;
What Fig. 5 was the utility model at metering phase switching-valve arrangement and injecting systems coordinates schematic diagram;
What Fig. 6 was the utility model at injection stage switching-valve arrangement and injecting systems coordinates schematic diagram;
What Fig. 7 was the utility model at packing stage switching-valve arrangement and injecting systems coordinates schematic diagram;
What Fig. 8 was the utility model at metering phase switching-valve arrangement and injecting systems coordinates schematic diagram;
Fig. 9 is the stereogram of the spool of the utility model embodiment two;
Figure 10 is the action timing diagram of the online mixing injection machine of tradition;
Figure 11 is action timing diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
Embodiment one: as shown in the figure, a kind of online mixing injection molding apparatus, comprise feed system 7, injecting systems, clamping system 8 and control system 9, injecting systems comprises extruder 3, injection cylinder 4, pressurize cylinder 5 and switching-valve arrangement 10, feed system 7 is connected with extruder 3, extruder 3, injection cylinder 4, pressurize cylinder 5 is connected with switching-valve arrangement 10 respectively, switching-valve arrangement 10 is connected with clamping system 8 by nozzle 6, switching-valve arrangement 10 comprises valve body 1 and spool 2, spool 2 is arranged in valve body 1 and can slides at valve body 1, valve body 1 is provided with respectively with the extruder 3 in online mixing injection machine, injection cylinder 4, the first valve channel 11 that pressurize cylinder 5 is communicated with nozzle 6 one_to_one corresponding, second valve channel 12, 3rd valve channel 13 and the 4th valve channel 14, measurement channel group 21 spaced apart and separate is vertically provided with in spool 2, injection canal group 22 and pressurize passage group 23, measurement channel group 21, injection canal group 22 and pressurize passage group 23 are arranged in order and are along the circumferential direction staggeredly located out in spool 2, measurement channel group 21 comprises the first measurement channel 211 and the second measurement channel 212, injection canal group 22 comprises the first injection canal 221 and the second injection canal 222, pressurize passage group 23 comprises the first pressurize passage 231 and the second pressurize passage 232, valve body 1 is provided with oscillating motor (not shown), the cylinder body of oscillating motor is fixedly connected on valve body 1, the driving shaft of oscillating motor is fixedly connected with spool 2, under the driving of oscillating motor, in whole injection molding process, at metering phase, first measurement channel 211 and the first valve channel 11, second valve channel 12 is connected, second measurement channel 212 and the second valve channel 12, 3rd valve channel 13 is connected, at injection stage, first injection canal 221 and the first valve channel 11, 3rd valve channel 13 is connected, second injection canal 222 and the second valve channel 12, 4th valve channel 14 is connected, at packing stage, first pressurize passage 231 and the first valve channel 11, second valve channel 12 is connected, second pressurize passage 232 and the 3rd valve channel 13, 4th valve channel 14 is connected.
Embodiment two: as shown in the figure, a kind of online mixing injection molding apparatus, comprise feed system 7, injecting systems, clamping system 8 and control system 9, injecting systems comprises extruder 3, injection cylinder 4, pressurize cylinder 5 and switching-valve arrangement 10, feed system 7 is connected with extruder 3, extruder 3, injection cylinder 4, pressurize cylinder 5 is connected with switching-valve arrangement 10 respectively, switching-valve arrangement 10 is connected with clamping system 8 by nozzle 6, switching-valve arrangement 10 comprises valve body 1, spool 2, the hydraulic cylinder (not shown) of motor and linear motion type, spool 2 is arranged in valve body 1 and can slides at valve body 1, valve body 1 is provided with respectively with the extruder 3 in online mixing injection machine, injection cylinder 4, the first valve channel 11 that pressurize cylinder 5 is communicated with nozzle 6 one_to_one corresponding, second valve channel 12, 3rd valve channel 13 and the 4th valve channel 14, measurement channel group 21 spaced apart and separate is vertically provided with in spool 2, injection canal group 22 and pressurize passage group 23, measurement channel group 21, injection canal group 22 and pressurize passage group 23 are arranged in order and just right vertically in spool 2, measurement channel group 21 comprises the first measurement channel 211 and the second measurement channel 212, injection canal group 22 comprises the first injection canal 221 and the second injection canal 222, pressurize passage group 23 comprises the first pressurize passage 231 and the second pressurize passage 232, the driving shaft of motor is fixedly connected with the cylinder body of hydraulic cylinder, the driving shaft of hydraulic cylinder is fixedly connected with spool 2, under the driving of hydraulic cylinder, in whole injection molding process, at metering phase, first measurement channel 211 and the first valve channel 11, second valve channel 12 is connected, second measurement channel 212 and the second valve channel 12, 3rd valve channel 13 is connected, at injection stage, first injection canal 221 and the first valve channel 11, 3rd valve channel 13 is connected, second injection canal 222 and the second valve channel 12, 4th valve channel 14 is connected, at packing stage, first pressurize passage 231 and the first valve channel 11, second valve channel 12 is connected, second pressurize passage 232 and the 3rd valve channel 13, 4th valve channel 14 is connected.
The control method of the online mixing injection molding apparatus of above-described embodiment one, comprises following concrete steps:
(1), oscillating motor drives spool 2 to move, measurement channel group 21 is connected with the 3rd valve channel 13 with the first valve channel 11, second valve channel 12 respectively, namely switching-valve arrangement is in metering phase, as shown in Figure 5, the plastic melt melted and mix continuously is clamp-oned in injection cylinder 4 through the first measurement channel 211 by the extruder 3 in online mixing injection machine;
(2), when the plastic melt in injection cylinder 4 reaches after metering stroke, oscillating motor drives spool 2 to move, make the first injection canal 221 and the first valve channel 11 in injection canal group 22, 3rd valve channel 13 is connected, second injection canal 222 and the second valve channel 12, 4th valve channel 14 is connected, namely switching-valve arrangement is in injection stage, as shown in Figure 6, injection cylinder 4 by plastic melt through the second injection canal 222, nozzle 6 pushes injection mo(u)lding in mould, simultaneously, plastic melt is clamp-oned in pressurize cylinder 5 through the first injection canal 221 by extruder 3,
(3) after, injection terminates, oscillating motor drives spool 2 to move, the first pressurize passage 231 in pressurize passage group 23 is connected with the first valve channel 11, second valve channel 12, second pressurize passage 232 is connected with the 3rd valve channel 13, the 4th valve channel 14, namely switching-valve arrangement is in packing stage, as shown in Figure 7, now, plastic products in mould carry out pressurize under the effect of pressurize cylinder 5, simultaneously, plastic melt is clamp-oned in injection cylinder 4 through the first pressurize passage 231 by extruder 3, starts to measure stroke;
(4) after, pressurize terminates, oscillating motor drives spool 2 to move, measurement channel group 21 is connected with the 3rd valve channel 13 with the first valve channel 11, second valve channel 12 respectively, namely switching-valve arrangement is in metering phase, as shown in Figure 8, plastic melt is injected injection cylinder 4 through the first measurement channel 211 and the second measurement channel 212 by extruder 3 and pressurize cylinder 5 respectively, carries out injection cycle circulation.
The control method of the online mixing injection molding apparatus of above-described embodiment two, comprises following concrete steps:
(1), Driven by Hydraulic Cylinder spool 2 moves, measurement channel group 21 is connected with the 3rd valve channel 13 with the first valve channel 11, second valve channel 12 respectively, namely switching-valve arrangement is in metering phase, as shown in Figure 5, the plastic melt melted and mix continuously is clamp-oned in injection cylinder 4 through the first measurement channel 211 by the extruder 3 in online mixing injection machine;
(2), when the plastic melt in injection cylinder 4 reaches after metering stroke, Driven by Hydraulic Cylinder spool 2 moves, the first injection canal 221 in injection canal group 22 is connected with the first valve channel 11, the 3rd valve channel 13, second injection canal 222 is connected with the second valve channel 12, the 4th valve channel 14, namely switching-valve arrangement is in injection stage, as shown in Figure 6, plastic melt is pushed injection mo(u)lding in mould through the second injection canal 222, nozzle 6 by injection cylinder 4, meanwhile, plastic melt is clamp-oned in pressurize cylinder 5 through the first injection canal 221 by extruder 3;
(3) after, injection terminates, Driven by Hydraulic Cylinder spool 2 moves, the first pressurize passage 231 in pressurize passage group 23 is connected with the first valve channel 11, second valve channel 12, second pressurize passage 232 is connected with the 3rd valve channel 13, the 4th valve channel 14, namely switching-valve arrangement is in packing stage, as shown in Figure 7, now, plastic products in mould carry out pressurize under the effect of pressurize cylinder 5, simultaneously, plastic melt is clamp-oned in injection cylinder 4 through the first pressurize passage 231 by extruder 3, starts to measure stroke;
(4), after pressurize terminates, motor driving hydraulic cylinder rotates, be with movable valve plug 2 synchronous axial system simultaneously, after turning over an angle, motor quits work, Driven by Hydraulic Cylinder spool 2 gets back to axial original position, then motor driving hydraulic cylinder reversion, after being with movable valve plug 2 to rotate backward equal angular simultaneously, make measurement channel group 21 respectively with the first valve channel 11, second valve channel 12 is connected with the 3rd valve channel 13, namely switching-valve arrangement is in metering phase, as shown in Figure 8, plastic melt is injected injection cylinder 4 through the first measurement channel 211 and the second measurement channel 212 by extruder 3 and pressurize cylinder 5 respectively, carry out injection cycle circulation.
Illustrate: the heavy 5kg of the plastic products of injection moulding is wanted in setting, the output of extruder is 7.5kg/ minute, i.e. 125g/ second, injection cycle is 40 seconds, and wherein the time devided modulation in each stage is: inject 5 seconds, pressurize 5 seconds, cooling 15 seconds, die sinking 5 seconds, eject pickup 5 seconds, matched moulds 5 seconds.
If adopt traditional device, due to its by injection cylinder setting time in melt pressurize, this makes the storing time of pressurize cylinder be 10 seconds, and the feed time of injection cylinder is 30 seconds, the maximum flow rate of melt is 5000g ÷ 30s=167g/s, and its action timing diagram is shown in Fig. 8.
Adopt this device, owing to passing through the 5 pairs of melt pressurizes of pressurize cylinder, the storing time of pressurize cylinder 5 is 5 seconds, injection cylinder 4 holds extruder 3 material out between hold period, held from extruder 3 and pressurize cylinder 5 material out in remaining 30 seconds, therefore, the feed time of injection cylinder is total up to 35 seconds, the maximum flow rate of melt is 5000g ÷ 35s=143g/s, and its action timing diagram is shown in Fig. 9.Can obtain accordingly, when identical injection cycle, adopt the channel size of this device can reduce about 15% than conventional apparatus, make the more compact structure of online mixing injection machine; If keep channel size identical, then adopt this switching-valve arrangement that injection cycle can be made to shorten about 15%, production efficiency is improved.
Claims (5)
1. an online mixing injection molding apparatus, comprise feed system, injecting systems, clamping system and control system, described injecting systems comprises extruder, injection cylinder, pressurize cylinder and switching-valve arrangement, described feed system is connected with described extruder, described extruder, described injection cylinder, described pressurize cylinder is connected with described switching-valve arrangement respectively, described switching-valve arrangement is connected with described clamping system by nozzle, described switching-valve arrangement comprises valve body and spool, described spool is arranged in described valve body and can slides at described valve body, it is characterized in that described valve body is provided with respectively with described extruder, described injection cylinder, the first valve channel that described pressurize cylinder is communicated with described nozzle one_to_one corresponding, second valve channel, 3rd valve channel and the 4th valve channel, measurement channel group spaced apart and separate is vertically provided with in described spool, injection canal group and pressurize passage group, described valve body is provided with spool moving drive mechanism, under the driving of described spool moving drive mechanism, in whole injection molding process, at metering phase, described measurement channel group respectively with the first described valve channel, the second described valve channel is connected with the 3rd described valve channel, at injection stage, described injection canal group respectively with the first described valve channel, the second described valve channel, the 3rd described valve channel is connected with the 4th described valve channel, at packing stage, the first valve channel that described pressurize channel constituents is other and described, the second described valve channel, the 3rd described valve channel is connected with the 4th described valve channel.
2. a kind of online mixing injection molding apparatus as claimed in claim 1, it is characterized in that described measurement channel group comprises the first measurement channel and the second measurement channel, the first described measurement channel and the first described valve channel, the second described valve channel is connected, the second described measurement channel and the second described valve channel, the 3rd described valve channel is connected, described injection canal group comprises the first injection canal and the second injection canal, the first described injection canal and the first described valve channel, the 3rd described valve channel is connected, the second described injection canal and the second described valve channel, the 4th described valve channel is connected, described pressurize passage group comprises the first pressurize passage and the second pressurize passage, the first described pressurize passage and the first described valve channel, the second described valve channel is connected, the second described pressurize passage and the 3rd described valve channel, the 4th described valve channel is connected.
3. a kind of online mixing injection molding apparatus as claimed in claim 1, is characterized in that described measurement channel group, described injection canal group and described pressurize passage group are arranged in order and are along the circumferential direction staggeredly located out in described spool.
4. a kind of online mixing injection molding apparatus as claimed in claim 3, it is characterized in that described spool moving drive mechanism is oscillating motor, the cylinder body of described oscillating motor is fixedly connected on described valve body, and the driving shaft of described oscillating motor is fixedly connected with described spool.
5. the online mixing injection molding apparatus of the one as described in claim 1 or 3, it is characterized in that described spool moving drive mechanism comprises hydraulic cylinder and motor, the driving shaft of described motor is fixedly connected with the cylinder body of described hydraulic cylinder, and the driving shaft of described hydraulic cylinder is fixedly connected with described spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642612.0U CN205009541U (en) | 2015-08-24 | 2015-08-24 | Online mixing injection moulding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520642612.0U CN205009541U (en) | 2015-08-24 | 2015-08-24 | Online mixing injection moulding device |
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| CN205009541U true CN205009541U (en) | 2016-02-03 |
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| CN201520642612.0U Active CN205009541U (en) | 2015-08-24 | 2015-08-24 | Online mixing injection moulding device |
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Address after: 315821 Jiangnan export processing trade zone, Beilun District, Ningbo City, Zhejiang Province Patentee after: Bole Intelligent Equipment Co.,Ltd. Address before: 315821 Jiangnan export processing trade zone, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO SHUANGMA MACHINERY INDUSTRY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 337000 Qingyuan Industrial Park, Anyuan Industrial Park, Anyuan District, Pingxiang City, Jiangxi Province Patentee after: Bole Intelligent Equipment Co.,Ltd. Address before: 315821 Jiangnan export processing trade zone, Beilun District, Ningbo City, Zhejiang Province Patentee before: Bole Intelligent Equipment Co.,Ltd. |