CN1986199A - Blow molding machine - Google Patents
Blow molding machine Download PDFInfo
- Publication number
- CN1986199A CN1986199A CN 200510130196 CN200510130196A CN1986199A CN 1986199 A CN1986199 A CN 1986199A CN 200510130196 CN200510130196 CN 200510130196 CN 200510130196 A CN200510130196 A CN 200510130196A CN 1986199 A CN1986199 A CN 1986199A
- Authority
- CN
- China
- Prior art keywords
- regulating module
- voltage
- voltage regulating
- blow moulding
- communication interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000071 blow moulding Methods 0.000 title claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 21
- 210000001161 mammalian embryo Anatomy 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 abstract 2
- 230000010363 phase shift Effects 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The blow molding machine includes one control device for controlling the mechanical device of the blow molding machine and including monitor, regulator and computerized controller with touch screen and main control board; one heater including light tubes for heating the bottle blank. It features the main control board including programmable controller, and pressure regulating module communicating with the programmable controller and connected to the power source of heater for controlling the voltage to the light tubes. The blow molding machine has high antijamming capacity, precise voltage control and high product quality.
Description
Technical field
The present invention relates to a kind of blow moulding machine, refer in particular to the blow moulding machine that accurately to control lamp tube ends voltage.
Background technology
On the biaxial tension blow moulding machine, generally adopt lighting tube heating mechanism heating bottle embryo, then most important to the temperature control of lighting tube heating mechanism, because it will directly have influence on the quality of bottle blowing moulding.The control of lamp hole temperature needs to decide according to the thickness at each position of bottle embryo and the degree of needs stretching, also will be subjected to environment temperature and the influence of a bottle embryo movement velocity.In traditional lighting tube heating mechanism, generally all to adopt common phase shift to trigger voltage regulating module control.Promptly change the size of this module output voltage by the height of controller adjustment triggering frequency, thereby realize the temperature control of lighting tube heating mechanism, promptly the height by the bottle embryo is provided with some fluorescent tubes, and the temperature of every fluorescent tube triggers voltage regulating module control by phase shift as required.It is not high that but above-mentioned lighting tube heating mechanism only is useful in temperature requirement, and the variation of ambient temperature scope is smaller, and external power source fluctuation, Radio frequency interference hour ability are normally used.But, bigger according to China's voltage ripple of power network, the power supply Radio frequency interference is stronger, if adopt traditional phase shift to trigger voltage regulating module, the qualification rate of its system bottle and the bottle thickness uniformity also just can't guarantee, particularly to very difficult being suitable for such as the more sensitive novel polypropylene materials of temperature (PP).
Summary of the invention
Purpose of the present invention provides a kind of antijamming capability the strong voltage that also can accurately control lamp tube ends, thereby realizes the accurately blow moulding machine of control lamp hole temperature, has reduced indirectly because external disturbance influences the qualification rate of equipment product bottle, saves production cost.
Blow moulding machine of the present invention comprises: control device, be used to control the mechanical device of described blow moulding machine, and comprise monitoring, adjusting, computer control, it comprises touch-screen, master board, described master board comprises Programmable Logic Controller; Heater comprises the fluorescent tube that is used for the heating bottle embryo; Described master board further comprises voltage regulating module, carries out communication with described Programmable Logic Controller, and described heater is communicated with power supply by described voltage regulating module, to control the voltage of described fluorescent tube.
In a preferred embodiment, voltage regulating module comprises central processing unit, power circuit, feedback voltage comparison circuit, output circuit and communication interface, described output circuit is communicated with described heater, and described communication interface connects with described Programmable Logic Controller.
In further preferred embodiment, voltage regulating module further comprises the power supply sample circuit.
In further preferred embodiment, communication interface is the RS485 communication interface.
Description of drawings
Fig. 1 is a system architecture block diagram of the present invention;
Fig. 2 is a control device principle schematic of the present invention;
Fig. 3 is the principle schematic of master control borad of the present invention;
Fig. 4 is a voltage regulating module principle schematic of the present invention;
Fig. 5 is the principle schematic of the voltage regulating module of the preferred embodiment of the present invention.
The specific embodiment
Below in conjunction with drawings and the specific embodiments the present invention is described in further detail.
As Fig. 1, Fig. 2, shown in Figure 3, blow moulding machine of the present invention comprises: control device 1, be used to control the mechanical device of blow moulding machine, comprise monitoring, adjusting, computer control, it comprises touch-screen 1a, master board 1b, and master board 1b comprises Programmable Logic Controller (PLC) 11; Heater 2 comprises the fluorescent tube 21 that is used for the heating bottle embryo; Master board 1b comprises voltage regulating module 12, is used to control the voltage of fluorescent tube 21, carries out communication with Programmable Logic Controller 11, and heater 2 is communicated with power supply 3 by voltage regulating module 12, with the voltage of control fluorescent tube 21.
As shown in Figure 4, in a preferred embodiment, voltage regulating module 12 comprises central processing unit (CPU) 121, power circuit 122, feedback voltage comparison circuit 123, output circuit 124 and communication interface 125, output circuit 124 is communicated with heater 2, and communication interface 125 connects with Programmable Logic Controller 11.In further preferred embodiment, voltage regulating module 12 has also comprised power supply sample circuit 126.In further preferred embodiment, communication interface 125 is preferably the RS485 communication interface.
Because the output voltage of voltage regulating module 12 can directly accurately be set on touch-screen 1a, and through Programmable Logic Controller 11 processing, RS485 communication bus by voltage regulating module 12 sends voltage regulating module 12 to again, again because voltage regulating module 12 has the feedback voltage comparison circuit, can be when extraneous factor causes power supply 3 voltage change, center processor 121 through voltage regulating module 12 carries out computing (PID), makes supply voltage further stable.Voltage regulating module 12 has power supply sample circuit 126, can eliminate the higher harmonic voltage component and the aperiodic component that bring in electrical network and the system, and can avoid the interference of external radio frequency.Simultaneously, voltage regulating module 12 has adopted advanced RS485 communication interface, has accomplished the pure digi-tal communication, has stopped traditional analog quantity control (comprising its transmission lines), and self signal source is by external interference.
When using blow moulding machine of the present invention, the temperature control parameter is set on touch-screen, through the data word of shielded communication cable transmission, after computing is carried out in the inside of Programmable Logic Controller 11, operation result is transferred to voltage regulating module 12 by communication interface 125 to Programmable Logic Controller 11.At this moment, the output circuit 124 of voltage regulating module 12 requires the alternating voltage (0-220V) of output to be transported to heater 2 according to operation, to be added to the two ends of fluorescent tube 21.The central processing unit 121 of voltage regulating module 12 can be adjusted the voltage of output circuit 124, thereby reach the automatic voltage regulation function accordingly according to the variation of input voltage, has guaranteed that the voltage at fluorescent tube 21 two ends remains constant.
Use blow moulding machine of the present invention, have following exclusive characteristics:
1. stop to heat fluorescent tube owing to the power that mains voltage variations produces changes.
2. voltage regulating module has adopted the RS485 communication interface, is eager to excel than traditional analog quantity control antijamming capability, has solved analog quantity control in the past and has been subjected to external interference easily, makes the voltage regulating module control figureization.
The present invention is not limited to disclosed content in the above-mentioned specification; those of ordinary skill in the art can adopt technical scheme identical or that be equal to substitute fully and realize same technique effect and technical purpose still belonging to protection scope of the present invention for such modification.
Claims (4)
1, a kind of blow moulding machine comprises:
Control device is used to control the mechanical device of described blow moulding machine, comprises monitoring, adjusting, computer control, and it comprises touch-screen, master board, and described master board comprises Programmable Logic Controller; Heater comprises the fluorescent tube that is used for the heating bottle embryo; It is characterized in that,
Described master board further comprises voltage regulating module, carries out communication with described Programmable Logic Controller, and described heater is communicated with power supply by described voltage regulating module, to control the voltage of described fluorescent tube.
2. blow moulding machine as claimed in claim 1, it is characterized in that, described voltage regulating module comprises central processing unit, power circuit, feedback voltage comparison circuit, output circuit and communication interface, and described output circuit is communicated with described fluorescent tube, and described communication interface connects with described Programmable Logic Controller.
3. blow moulding machine as claimed in claim 2 is characterized in that described voltage regulating module further comprises the power supply sample circuit.
4. as claim 2 or 3 described blow moulding machines, it is characterized in that described communication interface is the RS485 communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101301967A CN100471653C (en) | 2005-12-19 | 2005-12-19 | Blow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101301967A CN100471653C (en) | 2005-12-19 | 2005-12-19 | Blow molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1986199A true CN1986199A (en) | 2007-06-27 |
| CN100471653C CN100471653C (en) | 2009-03-25 |
Family
ID=38183202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101301967A Expired - Fee Related CN100471653C (en) | 2005-12-19 | 2005-12-19 | Blow molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100471653C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101138885B (en) * | 2007-10-17 | 2010-05-19 | 华南理工大学 | Extrusion-blow molding product wall thickness intelligentized control system and control method thereof |
| CN102152473A (en) * | 2011-05-19 | 2011-08-17 | 东莞佳鸿机械制造有限公司 | Automatic temperature following system |
| CN102582061A (en) * | 2010-10-26 | 2012-07-18 | 克朗斯集团公司 | Modular blowing machine |
| CN104118114A (en) * | 2013-04-28 | 2014-10-29 | 贵州万业包装有限公司 | Lamp tube control device of blow molding machine |
-
2005
- 2005-12-19 CN CNB2005101301967A patent/CN100471653C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101138885B (en) * | 2007-10-17 | 2010-05-19 | 华南理工大学 | Extrusion-blow molding product wall thickness intelligentized control system and control method thereof |
| CN102582061A (en) * | 2010-10-26 | 2012-07-18 | 克朗斯集团公司 | Modular blowing machine |
| CN102582061B (en) * | 2010-10-26 | 2015-03-18 | 克朗斯集团公司 | Modular blowing machine |
| CN102152473A (en) * | 2011-05-19 | 2011-08-17 | 东莞佳鸿机械制造有限公司 | Automatic temperature following system |
| CN104118114A (en) * | 2013-04-28 | 2014-10-29 | 贵州万业包装有限公司 | Lamp tube control device of blow molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100471653C (en) | 2009-03-25 |
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Effective date of registration: 20091228 Pledge (preservation): Pledge |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140415 Granted publication date: 20090325 Pledgee: Financing Company limited by guarantee Pledgor: Li Weihong, Dongguan Jiahong Machinery Manufacturing Co., Ltd. Registration number: 2009440000674 |
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Change date: 20140415 Registration number: 2009440000674 Pledgee after: Financing Company limited by guarantee Pledgee before: Financing credit Company limited by guarantee |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20161219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |