CN104908203A - Novel low pressure injection molding machine - Google Patents
Novel low pressure injection molding machine Download PDFInfo
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- CN104908203A CN104908203A CN201410099158.9A CN201410099158A CN104908203A CN 104908203 A CN104908203 A CN 104908203A CN 201410099158 A CN201410099158 A CN 201410099158A CN 104908203 A CN104908203 A CN 104908203A
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Abstract
The invention discloses a novel low pressure injection molding machine, which comprises an electric heating heat preservation sealing material barrel, a quantitative power device, a constant speed stirring device, a control system and injection molding lance heads assembled with liquid conveying pipelines. The electric heating heat preservation sealing material barrel consists of an electric heating rod, a sealing gasket equipped airtight locking cap and a stainless steel material cylinder. The quantitative power device consists of a synchronous motor, a driving wheel and belt, and a quantitative valve. The constant speed stirring device is composed of a driving motor, a stainless steel stirring rod and an impeller. The injection molding lances assembled with liquid conveying pipelines include two liquid conveying pipes, an adjustable fixation bracket, and switching valve equipped injection molding lance heads. With the characteristics of low investment cost, good use effect, and convenient movement, the novel low pressure injection molding machine is suitable for injection molding production and rapid prototyping mold processing and production. The control system provided by the invention adopts a programmable system with PLC as the core, guarantees the speed of injection molding and extrusion molding and the precision of injection molding products. Also, the novel low pressure injection molding machine is assembled with reserved double-station injection molding lance heads, so that the production efficiency can be improved significantly.
Description
Technical field
The present invention relates to a kind of injection molding apparatus, be specifically related to a kind of Novel low-pressure injection molding machine.
Background technology
The processing and manufacturing of China's injection machine originates in the fifties latter stage, and within 1958, China's First injection machine is born in Shanghai, has opened the chapter of autonomous manufacture injection machine.But the injection machine technology content of producing at that time is lower, the lower commodity of manufacturing requirements can only be carried out, as plastic casing, Plastic Drum, plastic tub etc. with general-purpose plastics.Along with the development of China's oil chemical industry, China's plastics machinery technique progressively defines an independently industrial department, and begins to take shape, and is the important composition part of national mechanical industry, particularly since reform and opening-up, China's injection machine industry obtains significant progress.
Injection-moulding device has penetrated into all trades and professions of national economy, as building material industry, packaging industry, electric appliance and electronic information industry, auto industry etc.Apart from the above, many departments are still had all to need injection machine industry to provide equipment, as industries such as commodity, mechanical part, toy, game machine, sports goods, medical apparatus, furniture.But conventional injection molding machine integral level is lower, injection moulding extrusion molding speed, the precision of injection-molded item and the level of control of process unit all also exist gap with needs of production.In addition conventional injection molding machine is only to carry out single station production, has a strong impact on processing efficiency.
Summary of the invention
The present invention provides a kind of Novel low-pressure injection molding machine while overcoming above-mentioned prior art existing defects, and wherein the control system of this injection machine adopts PLC PLC technology, ensure that the precision of injection moulding extrusion molding speed and injection-molded item.Reserved double and multi-station injection rifle head, improve production efficiency.
To achieve these goals, the technical solution used in the present invention is as follows:
Novel low-pressure injection molding machine, comprises the injection molding gun head of electrical heat tracing sealing barrel, quantitatively power set, at the uniform velocity agitating device, control system and assembling liquid-transport pipe-line.Electrical heat tracing sealing barrel comprises electrically heated rod, the airtight tightening cover being with sealing gasket and stainless steel barrel; Quantitative power set are made up of synchronous motor, driving wheel and belt, proportional valve; At the uniform velocity agitating device is made up of drive motors, stainless steel puddler and impeller; Transformer, voltage-stablizer, electrical control cubicles, master control borad, PLC, air pressure and device for monitoring temperature, 24V power switch and operating table surface constitute complete machine control system, wherein operating table surface comprise startup, anxious to stop, suspend, the primary clustering such as monitoring temperature indicator lamp, air pressure monitor indicator lamp and fault alarm; The main member of the injection molding gun of assembling liquid-transport pipe-line comprises the injection molding gun head of two woven hoses, adjustable fixed support, belt switch valve.First the material preparing to carry out injection mo(u)lding is put into stainless steel barrel, build the airtight tightening cover of band sealing gasket, check electrically heated rod, quantitatively power set, the injection molding gun head of assembling liquid-transport pipe-line and at the uniform velocity agitating device.Then start power supply, now electrically heated rod, at the uniform velocity agitating device is started working, and when monitoring temperature indicator lamp is bright, quantitative power set synchronous motor is started working, and is opened by the injection molding gun head of belt switch valve, now can carry out injection moulding production.
Preferably, described electrical heat tracing sealing barrel adopts stainless steel material to be processed into, and wherein stainless steel barrel is guaranteed when pressure is not more than 13MPa, normally can use and there will not be crackle and breakage.The power of its internal electrical heating rod is 500KW, and the bottom level of distance barrel is that 20mm ± 5mm. to control in barrel temperature within the scope of 45 DEG C ± 5 DEG C.When temperature in barrel is not within the scope of this, the monitoring temperature indicator lamp in operating table surface extinguishes.
Preferably, described at the uniform velocity agitating device rotates stirring by drive motors by transmission stainless steel puddler impeller.Wherein drive motors is synchronous motor, and velocity of rotation is not more than 200 revs/min; Stainless steel puddler adopts the machine-shaping of stainless steel rod iron, and welding position requires that polishing is guaranteed without weld defects such as overlap, rosin joint, welding pit, slag inclusion and crackles.
Preferably, the injection molding gun head quantity of described assembling liquid-transport pipe-line is 1-2, the injection molding gun head of each assembling liquid-transport pipe-line all has two woven hoses, and minimum compression resistance is not less than 4MPa, and injection molding gun head is furnished with the rifle pin that aperture is 0.5mm, 1mm, 1.4mm, 2mm, 2.5mm five kinds of specifications in addition.
Compared with prior art, the present invention has following beneficial effect:
A kind of Novel low-pressure injection molding machine provided by the invention, have employed PLC programmable system and control, realize parameterization operations, it is that convenience has been with in maintenance that simultaneity factor has fault self-diagnosis function.The injection molding gun head quantity of assembling liquid-transport pipe-line is 1-2, and double injection operation ensures the continuity of technique, improves production efficiency.
Accompanying drawing explanation
Fig. 1 is Novel low-pressure injection molding machine perspective view of the present invention;
Fig. 2 is electrical heat tracing sealing material barrel structure schematic diagram of the present invention;
Fig. 3 is the quantitative power set close-up schematic view of the present invention;
Fig. 4 is Novel low-pressure injection molding machine plan structure schematic diagram of the present invention.
Detailed description of the invention
As shown in Figure 1 to Figure 4, Novel low-pressure injection molding machine of the present invention, comprises the injection molding gun head of electrical heat tracing sealing barrel, quantitatively power set, at the uniform velocity agitating device, control system and assembling liquid-transport pipe-line.Electrical heat tracing sealing barrel comprises electrically heated rod 2, the airtight tightening cover 3 being with sealing gasket and stainless steel barrel 3; Quantitative power set are made up of synchronous motor 4, driving wheel 5 and belt 6, proportional valve 7; At the uniform velocity agitating device is made up of drive motors 8, stainless steel puddler 9 and impeller 10; Transformer, voltage-stablizer, electrical control cubicles, master control borad, PLC, air pressure and device for monitoring temperature, 24V power switch and operating table surface 11 constitute complete machine control system, wherein operating table surface 11 comprise startup, anxious to stop, suspend, the primary clustering such as monitoring temperature indicator lamp, air pressure monitor indicator lamp and fault alarm; The main member of the injection molding gun of assembling liquid-transport pipe-line comprises the injection molding gun head 1 of two woven hoses 12, adjustable fixed support 12, belt switch valve.
In described electrical heat tracing sealing barrel, the power of electrically heated rod 2 is 500KW, and the bottom level of distance stainless steel barrel 3 is 20mm ± 5mm.Temperature can be controlled in barrel within the scope of 45 DEG C ± 5 DEG C in normal heating process.Described stainless steel barrel 3, when pressure is not more than 13MPa, normally can uses and there will not be crackle and breakage.In addition the use air pressure of actual normal continuous prodution is in 0.4 ~ 0.6MPa scope.
Described at the uniform velocity agitating device rotates stirring by drive motors 8 by transmission stainless steel puddler 9 impeller 10.Described drive motors 8 is synchronous motor, and velocity of rotation is not more than 200 revs/min.Described stainless steel puddler 9 adopts the machine-shaping of stainless steel rod iron, and welding position requires that polishing is guaranteed without weld defects such as overlap, rosin joint, welding pit, slag inclusion and crackles.
When the present invention uses, first check electrically heated rod 2, quantitatively power set, the injection molding gun head of assembling liquid-transport pipe-line and at the uniform velocity agitating device.Then the material preparing to carry out injection mo(u)lding is put into stainless steel barrel 3, build the airtight tightening cover 3 of band sealing gasket, locking nut 12, then starts power supply, now electrically heated rod 2, at the uniform velocity agitating device is started working, when monitoring temperature indicator lamp is bright, quantitative power set synchronous motor 4 is started working, and proportional valve 7 is opened, the injection molding gun head 1 of belt switch valve is opened, now can carry out injection moulding production.
Apparatus of the present invention control system have employed PLC programmable system and controls, achieve parameterization operations, system automatic trouble diagnosis is that maintenance configures 1-2 with facilitating the injection molding gun head 1 of belt switch valve, achieves double injection operation, ensure that the continuity of technique, improve production efficiency.
Claims (6)
1. Novel low-pressure injection molding machine, comprises the injection molding gun head of electrical heat tracing sealing barrel, quantitatively power set, at the uniform velocity agitating device, control system and assembling liquid-transport pipe-line: electrical heat tracing sealing barrel comprises electrically heated rod, the airtight tightening cover of band sealing gasket and stainless steel barrel; Quantitative power set are made up of synchronous motor, driving wheel and belt, proportional valve; At the uniform velocity agitating device is made up of drive motors, stainless steel puddler and impeller; Transformer, voltage-stablizer, electrical control cubicles, master control borad, PLC, air pressure and device for monitoring temperature, 24V power switch and operating table surface constitute complete machine control system; Wherein operating table surface comprise startup, anxious to stop, suspend, the primary clustering such as monitoring temperature indicator lamp, air pressure monitor indicator lamp and fault alarm; The main member of the injection molding gun of assembling liquid-transport pipe-line comprises the injection molding gun head of two woven hoses, adjustable fixed support, belt switch valve; First the material preparing to carry out injection mo(u)lding is put into stainless steel barrel, build the airtight tightening cover of band sealing gasket, check electrically heated rod, quantitatively power set, the injection molding gun head of assembling liquid-transport pipe-line and at the uniform velocity agitating device; Then start power supply, now electrically heated rod, at the uniform velocity agitating device are started working, and when monitoring temperature indicator lamp is bright, in quantitative power set, synchronous motor is started working, and are opened by the injection molding gun head of belt switch valve, now can carry out injection moulding production.
2. Novel low-pressure injection molding machine according to claim 1, it is characterized in that the power of electrically heated rod in described electrical heat tracing sealing barrel is 500KW, the bottom level of distance barrel is 20mm ± 5mm.
3. the Novel low-pressure injection molding machine according to claim 1,2, it is characterized in that described electrical heat tracing sealing barrel adopts stainless steel material to be processed into, wherein stainless steel barrel is guaranteed when pressure is not more than 13MPa, normally can use and there will not be crackle and breakage.
4. the Novel low-pressure injection molding machine according to claim 1,2,3, it is characterized in that described electrical heat tracing sealing barrel is when normally working, require that in control barrel, temperature is within the scope of 45 DEG C ± 5 DEG C, when temperature in barrel is not within the scope of this, the monitoring temperature indicator lamp in operating table surface extinguishes.
5. Novel low-pressure injection molding machine according to claim 1, it is characterized in that described at the uniform velocity agitating device rotates stirring by drive motors by transmission stainless steel puddler impeller, wherein drive motors is synchronous motor, and velocity of rotation is not more than 200 revs/min; Stainless steel puddler adopts the machine-shaping of stainless steel rod iron, and welding position requires that polishing is guaranteed without weld defects such as overlap, rosin joint, welding pit, slag inclusion and crackles.
6. Novel low-pressure injection molding machine according to claim 1, it is characterized in that the injection molding gun head quantity of described assembling liquid-transport pipe-line is 1-2, the injection molding gun head of each assembling liquid-transport pipe-line all has two woven hoses, minimum compression resistance is not less than 4MPa, and injection molding gun head is furnished with the rifle pin that aperture is 0.5mm, 1mm, 1.4mm, 2mm, 2.5mm five kinds of specifications in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099158.9A CN104908203A (en) | 2014-03-16 | 2014-03-16 | Novel low pressure injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099158.9A CN104908203A (en) | 2014-03-16 | 2014-03-16 | Novel low pressure injection molding machine |
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| CN104908203A true CN104908203A (en) | 2015-09-16 |
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| CN201410099158.9A Pending CN104908203A (en) | 2014-03-16 | 2014-03-16 | Novel low pressure injection molding machine |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003231728A (en) * | 2001-12-07 | 2003-08-19 | Bridgestone Corp | Manufacturing process of rigid polyurethane foam |
| CN202053452U (en) * | 2011-04-17 | 2011-11-30 | 江苏地标建筑节能科技有限公司 | Constant temperature polyurethane foaming machine |
| CN203973909U (en) * | 2014-03-16 | 2014-12-03 | 合肥市科创快速模具技术发展有限公司 | Novel low-pressure injection molding machine |
-
2014
- 2014-03-16 CN CN201410099158.9A patent/CN104908203A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003231728A (en) * | 2001-12-07 | 2003-08-19 | Bridgestone Corp | Manufacturing process of rigid polyurethane foam |
| CN202053452U (en) * | 2011-04-17 | 2011-11-30 | 江苏地标建筑节能科技有限公司 | Constant temperature polyurethane foaming machine |
| CN203973909U (en) * | 2014-03-16 | 2014-12-03 | 合肥市科创快速模具技术发展有限公司 | Novel low-pressure injection molding machine |
Non-Patent Citations (3)
| Title |
|---|
| 徐培林等: "《聚氨酯材料手册》", 31 August 2002 * |
| 金绍文: "《制鞋机械》", 30 June 2012 * |
| 陈鼎南: "《聚氨酯浇注设备及制品成型工艺》", 31 January 2007 * |
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Application publication date: 20150916 |
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