CN104029364A - Control method of injection molding system with huge injection amount - Google Patents
Control method of injection molding system with huge injection amount Download PDFInfo
- Publication number
- CN104029364A CN104029364A CN201410267298.2A CN201410267298A CN104029364A CN 104029364 A CN104029364 A CN 104029364A CN 201410267298 A CN201410267298 A CN 201410267298A CN 104029364 A CN104029364 A CN 104029364A
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- China
- Prior art keywords
- plastics
- mould
- cooling
- cylinder pressure
- control method
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
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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
- B29C45/72—Heating or cooling
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- 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
- B29C2945/76585—Dimensions, e.g. thickness
- B29C2945/76591—Dimensions, e.g. thickness volume
-
- 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
- B29C2945/76658—Injection unit
- B29C2945/76685—Injection unit accumulators
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a control method of an injection molding system with huge injection amount. The control method comprises the following control steps: A, heating a storage pressing cylinder through an electrical heating system, and performing constant-temperature treatment after reaching a preset temperature; B, repeatedly conveying to the storage pressing cylinder after plastics in a plastics extruding device are melted until the plastics in the storage pressing cylinder reach a preset volume; C, pressing the melted plastics in the storage pressing cylinder in a plastics mould; and D, after pressurizing, cooling the plastics mould, and demoulding and taking a plastic product out. The step of cooling the plastic mould comprises respectively arranging a cooling pipe on an upper mould and a lower mould, and communicating the cooling pipe to a cooling liquid tank. The plastics product is of a spherical surface shape, the diameter of the spherical surface is 0.6-2 m, the thickness of the spherical surface is 1.5-2 cm, the plastic product is made of a PP (Propene Polymer) material, the constant-temperature of the storage pressing cylinder is 120-130 DEG C, and the cooling temperature of the plastic mould is 60-80 DEG C. The control method has the beneficial effects of simplicity, low cost, convenience in use and huge injection amount.
Description
Technical field
This method relates to a kind of control method of injection-moulding device, relates in particular to the control method of the adapted to injection system that injection volume is huge.
Background technology
Super amount injection machine equipment volume is huge, expensive, Chinese patent discloses a kind of two steps type injection mechanism of injection volume super large, application number: 201120402345.1, be mainly used in PE pipe fitting type special injection molding, also applicable to the injection machine of processing other plastic products.In described injection mechanism, it is characterized in that: melten gel separates with injection function.Raw material, in extrusion device plastifies and be transported to plunger type glue injecting device, then injects mould by plunger type glue injecting device by the plastics of melting; Independently extrusion device carries out melten gel, and melten gel speed is fast, plastifies more evenly, ensures product high-quality; Plunger type glue injecting device, can provide super large injection volume, and injection precision is high; Introduce the sealing adhesive device of optimal design, use reliably, do not leak glue, sealing is switched rapidly.When the advantage of this method is to meet super large injection volume, overall structure is more easy, installs more convenient, and require when higher for injection volume, only need slight change plunger type glue injecting device just can meet the demands, versatility is stronger, there is good value for applications
Definite says, this super amount injection machine can only be applied in the processing that is several times as much as extrusion device and extrudes the plastic product of capacity, can't be applied in for example decades of times processing that even hundreds of times are extruded the plastic product of capacity in extrusion device of larger excess.
method content
The present invention, according to above deficiency, provides the adapted to injection system that a kind of injection volume is huge.
Technical scheme of the present invention is:
The adapted to injection system that a kind of injection volume is huge, comprise: plastic extrusion apparatus, the vertical mould bases that upper die and lower die are installed, storing cylinder pressure, the first hydraulic cylinder, the second hydraulic cylinder, the extrusion of plastic extrusion apparatus is communicated to the entrance of storing cylinder pressure, the connection-rod linkage of the piston of storing cylinder pressure and the first hydraulic cylinder, the outlet of storing cylinder pressure is communicated to the entrance of patrix by the first valve, the connecting rod of the second hydraulic cylinder is connected in vertical mould bases for the lower bolster of counterdie is installed, and storing cylinder pressure is provided with attemperator.Owing to being provided with attemperator, this method can be applied in for example decades of times processing that even hundreds of times are extruded the plastic product of capacity in extrusion device of larger shot.
As preferably, described storing cylinder pressure entrance is arranged on bottom, and this entrance is connected to the extrusion of plastic extrusion apparatus through the second magnetic valve, in the time that the connecting rod of the first hydraulic cylinder moves first, the second closed electromagnetic valve, in the time that the connecting rod of the first hydraulic cylinder first above moves, the second magnetic valve can be opened.
As preferably, described attemperator comprises electric-heating constant temp. device, and this electric-heating constant temp. device is uniform to be close to outside described storing cylinder pressure.
For the demoulding in time, prevent plastic deformation, described upper die and lower die are provided with cooling system.
As preferably, described cooling system comprises cooling tube, and this cooling tube is communicated to coolant reservoirs through pump, magnetic valve.
Add dynamic balance in order to arrive, described the second hydraulic cylinder is provided with several, the uniform and synchronization action of these second hydraulic cylinders.
Further, described plastic extrusion apparatus comprises plastic extruder or injection machine.
Principle of the present invention is, under original state, on the connecting rod of the first hydraulic cylinder, on the piston of the moving storing cylinder pressure of shipper pole, move on to top, the first valve closing, the second hydraulic cylinder action, patrix and counterdie are closed up, in plastic extrusion apparatus, the plastics of fusing are transported in storing cylinder pressure by extrusion, because storing cylinder pressure is provided with attemperator, guarantee that the plastics temperature in it is not cooling, plastic extrusion apparatus can be input to plastics in storing cylinder pressure many times, reach after the scheduled volume lower than entrance, the first hydraulic cylinder and the first valve event, plastics are injected in mould, after pressurize, the first valve closing, and mould is lowered the temperature, the second hydraulic cylinder action, counterdie moves down, plastic products are taken out in the demoulding, complete a circulation.
In the time that storing cylinder pressure entrance is arranged on bottom, as long as the connecting rod of the first hydraulic cylinder moves upward, the second magnetic valve can be opened.The advantage of this technical scheme is, can shorten the stand-by period, increases work efficiency.
A control method for the adapted to injection system that injection volume is huge, by controlling as follows step:
A) by electric heating system, storing cylinder pressure is heated, reach constant temperature processing after predetermined temperature;
B) by being transported to after the plastic molting in plastic extrusion apparatus in storing cylinder pressure, repeated multiple times, until the plastics in storing cylinder pressure reach predetermined volume;
C) plastics that melted in storing cylinder pressure are pressed in mould of plastics;
D) after pressurize, mould of plastics is carried out cooling, the demoulding take out plastic products.
Described mould of plastics is carried out to cooling comprising: on upper die and lower die, be respectively arranged with cooling tube, cooling tube, this cooling tube is communicated to coolant reservoirs through pump.
Described plastic products be shaped as dome shape, spherical diameter is 0.6-2 rice, sphere thickness is 1.5-2 centimetre, PP material, the thermostat temperature of storing cylinder pressure is 120-130 DEG C, the chilling temperature of described mould of plastics is 60-80 DEG C.
The beneficial effect that the present invention has simply, cost is low, easy to use, shot is huge.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of an embodiment of the present invention.Fig. 2 be the another kind of embodiment of the present invention overall structure schematic diagram.
Detailed description of the invention
Now by reference to the accompanying drawings this method is further described:
As shown in Figure 1, the adapted to injection system that a kind of injection volume is huge, comprise: plastic extrusion apparatus 2, the vertical mould bases 4 of patrix 62 and counterdie 61 is installed, storing cylinder pressure 3, the first hydraulic cylinder 1, the second hydraulic cylinder 5, the extrusion of plastic extrusion apparatus 2 is communicated to storing cylinder pressure 3 entrance up, the connecting rod 11 of the piston of storing cylinder pressure 3 and the first hydraulic cylinder 1 links, the outlet of storing cylinder pressure 3 is communicated to the entrance of patrix 61 by the first valve 7, the connecting rod 51 of the second hydraulic cylinder 5 is connected in vertical mould bases 4 for the lower bolster 41 of counterdie 61 is installed, storing cylinder pressure 3 is provided with attemperator.
As shown in Figure 2, storing cylinder pressure 3 entrances are arranged on bottom, this entrance is connected to the extrusion of plastic extrusion apparatus 2 through the second magnetic valve 21, in the time that the connecting rod 11 of the first hydraulic cylinder 1 moves first, the second magnetic valve 21 cuts out, in the time that the connecting rod 11 of the first hydraulic cylinder 1 first above moves, the second magnetic valve 21 can be opened.
Attemperator comprises electric-heating constant temp. device 31, and this electric-heating constant temp. device 31 is uniform to be close to outside described storing cylinder pressure 3.
Patrix 62 and counterdie 61 are provided with cooling system.
Cooling system comprises cooling tube, and this cooling tube is communicated to coolant reservoirs through pump, magnetic valve.
The second hydraulic cylinder 5 is provided with several, the uniform and synchronization action of these second hydraulic cylinders 5.
Plastic extrusion apparatus 2 comprises plastic extruder or injection machine.
A control method for the adapted to injection system that injection volume is huge, by controlling as follows step:
A) by electric heating system, storing cylinder pressure is heated, reach predetermined temperature 120-130 DEG C after constant temperature processing, winter temperature can be higher, summer temperature can be lower, the temperature that plastics are many can be higher, the temperature that plastics are few can be lower;
B) by being transported to after the plastic molting in plastic extrusion apparatus in storing cylinder pressure, repeated multiple times, until the plastics in storing cylinder pressure reach predetermined volume, the temperature of plastic molting temperature and storing cylinder pressure is close;
C) plastics that melted in storing cylinder pressure are pressed in mould of plastics;
D) after pressurize, mould of plastics is carried out cooling, the demoulding take out plastic products, the chilling temperature of mould of plastics is 60-80 DEG C.
Mould of plastics is carried out to cooling comprising: on upper die and lower die, be respectively arranged with cooling tube, cooling tube, this cooling tube is communicated to coolant reservoirs through pump.
Plastic products be shaped as dome shape, spherical diameter is 0.6-2 rice, sphere thickness is 1.5-2 centimetre, PP material.
Claims (3)
1. a control method for the adapted to injection system that injection volume is huge, by controlling as follows step:
A) by electric heating system, storing cylinder pressure (3) is heated, reach constant temperature processing after predetermined temperature;
B) by being transported to after the plastic molting in plastic extrusion apparatus in storing cylinder pressure (3), repeated multiple times, until the plastics in storing cylinder pressure (3) reach predetermined volume;
C) plastics that melted in storing cylinder pressure (3) are pressed in mould of plastics;
D) after pressurize, mould of plastics is carried out cooling, the demoulding take out plastic products.
2. the control method of the adapted to injection system that a kind of injection volume as claimed in claim 1 is huge, is characterized in that, described mould of plastics is carried out to cooling comprising: on upper die and lower die, be respectively arranged with cooling tube, and cooling tube, this cooling tube is communicated to coolant reservoirs through pump.
3. the control method of the adapted to injection system that a kind of injection volume as claimed in claim 1 or 2 is huge, it is characterized in that, described plastic products be shaped as dome shape, spherical diameter is 0.6-2 rice, sphere thickness is 1.5-2 centimetre, PP material, the thermostat temperature of storing cylinder pressure (3) is 120-130 DEG C, the chilling temperature of described mould of plastics is 60-80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267298.2A CN104029364A (en) | 2014-06-16 | 2014-06-16 | Control method of injection molding system with huge injection amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267298.2A CN104029364A (en) | 2014-06-16 | 2014-06-16 | Control method of injection molding system with huge injection amount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104029364A true CN104029364A (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410267298.2A Pending CN104029364A (en) | 2014-06-16 | 2014-06-16 | Control method of injection molding system with huge injection amount |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387661A (en) * | 2014-09-29 | 2015-03-04 | 邵银昌 | Integral injection-molded pressure-container seal head and preparation method thereof |
| CN107310115A (en) * | 2017-07-31 | 2017-11-03 | 张家港戴恩机械有限公司 | A kind of extrusion injecting unit of style plastic pipe connector |
| CN108656459A (en) * | 2018-05-10 | 2018-10-16 | 句容市东山纸品厂 | A kind of plastic crafts molding machine |
| CN110789080A (en) * | 2019-11-12 | 2020-02-14 | 山东东宏管业股份有限公司 | Production device, production method and application of connecting pipe fitting of plastic composite pipe |
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| JP2006175648A (en) * | 2004-12-21 | 2006-07-06 | Ikegami Kanagata Kogyo Kk | Inspection machine for injection mold and connection device of inspection machine and mold |
| CN101073912B (en) * | 2006-08-01 | 2010-07-14 | 杭州兴源过滤科技股份有限公司 | Apparatus and process for forming low-pressure and large-capacity digital-controlled extruding pouring plastic |
| CN102294780A (en) * | 2010-06-25 | 2011-12-28 | 鸿富锦精密工业（深圳）有限公司 | Injection molding system and injection molding method |
| KR20110139384A (en) * | 2010-06-23 | 2011-12-29 | (주) 민성정밀 | Apparatus and method for controlling temperature of mold |
| KR20120001491A (en) * | 2010-06-29 | 2012-01-04 | 김동헌 | Temperature controller for injection mold |
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2014
- 2014-06-16 CN CN201410267298.2A patent/CN104029364A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006175648A (en) * | 2004-12-21 | 2006-07-06 | Ikegami Kanagata Kogyo Kk | Inspection machine for injection mold and connection device of inspection machine and mold |
| CN101073912B (en) * | 2006-08-01 | 2010-07-14 | 杭州兴源过滤科技股份有限公司 | Apparatus and process for forming low-pressure and large-capacity digital-controlled extruding pouring plastic |
| KR20110139384A (en) * | 2010-06-23 | 2011-12-29 | (주) 민성정밀 | Apparatus and method for controlling temperature of mold |
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| KR20120001491A (en) * | 2010-06-29 | 2012-01-04 | 김동헌 | Temperature controller for injection mold |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104387661A (en) * | 2014-09-29 | 2015-03-04 | 邵银昌 | Integral injection-molded pressure-container seal head and preparation method thereof |
| CN107310115A (en) * | 2017-07-31 | 2017-11-03 | 张家港戴恩机械有限公司 | A kind of extrusion injecting unit of style plastic pipe connector |
| CN108656459A (en) * | 2018-05-10 | 2018-10-16 | 句容市东山纸品厂 | A kind of plastic crafts molding machine |
| CN110789080A (en) * | 2019-11-12 | 2020-02-14 | 山东东宏管业股份有限公司 | Production device, production method and application of connecting pipe fitting of plastic composite pipe |
| CN110789080B (en) * | 2019-11-12 | 2022-06-03 | 山东东宏管业股份有限公司 | Production device, production method and application of connecting pipe fitting of plastic composite pipe |
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Effective date of registration: 20150225 Address after: 2 1 unit 602, love court, Xin'An River Street, Jiande, Zhejiang, Hangzhou 311600, China Applicant after: Shao Yinchang Address before: 2 1 unit 602, love court, Xin'An River Street, Jiande, Zhejiang, Hangzhou 311600, China Applicant before: Shao Yinchang Applicant before: Chen Bingxiang |
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