CN106870475A - A kind of hollow blow molding machine hydraulic system - Google Patents
A kind of hollow blow molding machine hydraulic system Download PDFInfo
- Publication number
- CN106870475A CN106870475A CN201710212476.5A CN201710212476A CN106870475A CN 106870475 A CN106870475 A CN 106870475A CN 201710212476 A CN201710212476 A CN 201710212476A CN 106870475 A CN106870475 A CN 106870475A
- Authority
- CN
- China
- Prior art keywords
- servo
- servopump
- driver
- preset value
- hydraulic oil
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
Abstract
The invention discloses a kind of hollow blow molding machine hydraulic system, including hydraulic actuating mechanism, controller, servo-driver, servopump and encoder；Controller can preset the output flow of servopump and servo POF preset value is sent into servo-driver in real time；Servo POF preset value can be converted into servo revolution speed preset value and control servopump to be operated by servo revolution speed preset value by servo-driver, and hydraulic oil is conveyed into hydraulic actuating mechanism by hydraulic oil pipeline；The actual speed of servopump can be fed back to servo-driver by encoder.It is an advantage of the invention that：（1）The output flow of servopump can be adjusted, the hydraulic oil usage amount required for enabling the output flow of servopump and the hydraulic actuating mechanism of current action matches, and farthest reduces energy loss, good energy-conserving effect；（2）Using can be by hydraulic oil Oil-temperature control in security interval after servopump, it is ensured that the action stability of hydraulic actuating mechanism.
Description
Technical field
The present invention relates to blow molding machine, and in particular to a kind of hollow blow molding machine hydraulic system.
Background technology
Hollow blow molding machine hydraulic system is the important component of blow molding machine, and the hydraulic system for being used at present is main
It is shifting formwork unit, closing unit, the locked mode hydraulic oil being supplied to by hydraulic oil pipeline using duplex pump in blow molding machine
The hydraulic actuating mechanisms such as unit, blow needle unit, so as to control the hydraulic pressure such as shifting formwork unit, closing unit, mode locking unit, blow needle unit
The everything of executing agency.The hydraulic system for being used at present has the drawback that：（1）Because each hydraulic actuating mechanism is dynamic
Required hydraulic fluid flow rate is differed when making, and the output flow of duplex pump is fixed, it is impossible to carry out Flow-rate adjustment,
The a large amount of of energy can be caused when causing each hydraulic oil usage amount to be acted less than the hydraulic actuating mechanism of duplex POF
Loss, energy-saving effect is poor；（2）The oil temperature of hydraulic oil is fluctuated greatly using duplex pump, have impact on the action of hydraulic actuating mechanism
Stability is poor.
The content of the invention
It is an object of the invention to provide a kind of hollow blow molding machine hydraulic system of good energy-conserving effect.
To achieve the above object, present invention employs following technical scheme：A kind of described hollow blow molding machine hydraulic system,
Including hydraulic actuating mechanism, controller, servo-driver, servopump and encoder；The controller can preset the defeated of servopump
Servo POF preset value is simultaneously sent to servo-driver by outflow in real time；The servo-driver energy real-time reception
Servo POF preset value that controller sends and that the servo POF preset value is converted into servo revolution speed is pre-
If value simultaneously controls servopump to be operated by the servo revolution speed preset value, hydraulic oil is conveyed to liquid by hydraulic oil pipeline
Pressure actuator；The real work rotating speed of the encoder energy Real-time Collection servopump and the reality of the servopump that will be collected
Working speed Real-time Feedback to servo-driver, when servo-driver detects the real work rotating speed of servopump and servopump turns
When fast preset value is inconsistent, servo-driver can control to adjust the rotating speed of servopump, make the real work rotating speed of servopump and watch
Take revolution speed preset value consistent.
Further, foregoing a kind of hollow blow molding machine hydraulic system, wherein：Controller can preset the pipe of hydraulic oil pipeline
Pipeline pressure safety value is simultaneously sent to servo-driver by road pressure security value in real time, and being provided with hydraulic oil pipeline can be real
When detection hydraulic oil pipeline current pipeline pressure and the current pipeline pressure of the hydraulic oil pipeline that will be detected be sent in real time
The pressure sensor of servo-driver, when the current pipeline pressure that servo-driver detects hydraulic oil pipeline is more than pipeline pressure
During safety value, servo-driver can control to stop servopump.
By the implementation of above-mentioned technical proposal, the beneficial effects of the invention are as follows：（1）The output flow of servopump can be carried out
Adjustment, the hydraulic oil usage amount required for enabling the output flow of servopump and the hydraulic actuating mechanism of current action matches,
So as to farthest reduce the loss of energy, good energy-conserving effect；（2）Using can be by hydraulic oil Oil-temperature control after servopump
In security interval, it is ensured that the action stability of hydraulic actuating mechanism.
Brief description of the drawings
Fig. 1 is a kind of principle schematic diagram. of hollow blow molding machine hydraulic system of the present invention.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
A kind of hollow blow molding machine hydraulic system as shown in Figure 1, described, including hydraulic actuating mechanism 1, controller 2, watch
Take driver 3, servopump 4 and encoder 5；The controller 2 can preset the output flow of servopump 4 and export servopump
Flow preset value is sent to servo-driver 3 in real time；The servopump that the energy real-time reception of the servo-driver 3 controller 2 sends
The servo POF preset value is simultaneously converted into servo revolution speed preset value and exported to servopump 4 by output flow preset value,
And controlling servopump 4 to be operated by the servo revolution speed preset value, hydraulic oil is conveyed into hydraulic pressure by hydraulic oil pipeline 6 holds
Row mechanism 1；The real work rotating speed of the energy Real-time Collection of the encoder 5 servopump 4 and the reality of the servopump 4 that will be collected
Working speed Real-time Feedback to servo-driver 3, when servo-driver 3 detects the real work rotating speed and servo of servopump 4
When revolution speed preset value is inconsistent, servo-driver 3 can control to adjust the rotating speed of servopump 4, turn the real work of servopump 4
Speed is consistent with servo revolution speed preset value；In the present embodiment, controller 2 can preset the pipeline pressure peace of hydraulic oil pipeline 6
Pipeline pressure safety value is simultaneously sent to servo-driver 3 by total head in real time, and being provided with hydraulic oil pipeline 6 can real-time detection
The current pipeline pressure of the current pipeline pressure of hydraulic oil pipeline 6 and the hydraulic oil pipeline 6 that will be detected is sent to servo in real time
The pressure sensor 7 of driver 3, when the current pipeline pressure that servo-driver 3 detects hydraulic oil pipeline 6 is more than pipeline pressure
During safety value, servo-driver 3 can control to stop servopump 4, so can further improve the safety and stability of hydraulic control system
Property；
Operation principle of the invention is as follows：
First the actual hydraulic pressure oil usage amount according to hydraulic actuating mechanism 1 presets the output flow and liquid of servopump 4 on controller 2
The pipeline pressure safety value of pipeline 6 is pressed oil, and servo POF preset value and pipeline pressure safety value are sent in real time
Servo-driver 3；Servo POF preset value and pipeline pressure that the meeting real-time reception of servo-driver 3 controller 2 sends
The servo POF preset value is simultaneously converted into servo revolution speed preset value, and control servopump 4 by the servo by safety value
Revolution speed preset value is operated, and hydraulic oil is conveyed into hydraulic actuating mechanism 1 by hydraulic oil pipeline 6, is worked in servopump 4
During, the real work of the real work rotating speed and the servopump 4 that will be collected of the meeting Real-time Collection of encoder 5 servopump 4 turns
Fast Real-time Feedback to servo-driver 3, when servo-driver 3 detects the real work rotating speed and servo revolution speed of servopump 4
When preset value is inconsistent, servo-driver 3 can control to adjust the rotating speed of servopump 4, make the real work rotating speed of servopump 4 and watch
Take revolution speed preset value consistent；Pressure sensor 7 is understood the current pipeline pressure of real-time detection hydraulic oil pipeline 6 and is incited somebody to action simultaneously
The current pipeline pressure of the hydraulic oil pipeline 6 for detecting is sent to servo-driver 3 in real time, when servo-driver 3 detects liquid
When the current pipeline pressure for pressing oil pipeline 6 is more than pipeline pressure safety value, servo-driver 3 can control to stop servopump 4.This hair
Bright advantage is：（1）The output flow of servopump can be adjusted, enable the output flow of servopump and the liquid of current action
Hydraulic oil usage amount required for pressure actuator matches, so as to farthest reduce the loss of energy, energy-saving effect
It is good；（2）Using can be by hydraulic oil Oil-temperature control in security interval after servopump, it is ensured that the having stable behavior of hydraulic actuating mechanism
Property.
Claims (2)
1. a kind of hollow blow molding machine hydraulic system, it is characterised in that：Including hydraulic actuating mechanism, controller, servo-driver, watch
Take pump and encoder；The controller can preset the output flow of servopump and send out servo POF preset value in real time
Give servo-driver；The servo POF preset value that the servo-driver energy real-time reception controller sends simultaneously should
Servo POF preset value is converted into servo revolution speed preset value and controls servopump to enter by the servo revolution speed preset value
Row work, hydraulic actuating mechanism is conveyed to by hydraulic oil by hydraulic oil pipeline；The encoder energy Real-time Collection servopump
The real work rotating speed Real-time Feedback of real work rotating speed and the servopump that will be collected works as servo-drive to servo-driver
Device detect the real work rotating speed of servopump it is inconsistent with servo revolution speed preset value when, servo-driver can control adjustment to watch
The rotating speed of pump is taken, makes the real work rotating speed of servopump consistent with servo revolution speed preset value.
2. a kind of hollow blow molding machine hydraulic system according to claim 1, it is characterised in that：Controller can preset hydraulic oil
Pipeline pressure safety value is simultaneously sent to servo-driver by the pipeline pressure safety value of pipeline in real time, is set on hydraulic oil pipeline
It is equipped with the current pipeline pressure and the current pipeline pressure reality of the hydraulic oil pipeline that will be detected of energy real-time detection hydraulic oil pipeline
When be sent to the pressure sensor of servo-driver, when the current pipeline pressure that servo-driver detects hydraulic oil pipeline is more than
During pipeline pressure safety value, servo-driver can control to stop servopump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710212476.5A CN106870475A (en) | 2017-04-01 | 2017-04-01 | A kind of hollow blow molding machine hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710212476.5A CN106870475A (en) | 2017-04-01 | 2017-04-01 | A kind of hollow blow molding machine hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106870475A true CN106870475A (en) | 2017-06-20 |
Family
ID=59160117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710212476.5A Pending CN106870475A (en) | 2017-04-01 | 2017-04-01 | A kind of hollow blow molding machine hydraulic system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106870475A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367262A (en) * | 2008-08-22 | 2009-02-18 | 昌盛达机械(浙江)有限公司 | Servo energy conservation power system of hollow molding machine |
| CN201382031Y (en) * | 2009-04-01 | 2010-01-13 | 东华机械有限公司 | Generating device of servo hydraulic pump station |
| CN201415463Y (en) * | 2009-05-21 | 2010-03-03 | 宁波弘讯科技有限公司 | Energy-saving high-precision gas-electric hybrid injection molding machine |
| CN201900713U (en) * | 2010-11-11 | 2011-07-20 | 佛山市顺德区震德塑料机械有限公司 | PID (proportional integral derivative) hydraulic power servo control system based on hydraulic oil temperature feedback |
| CN202165337U (en) * | 2011-06-10 | 2012-03-14 | 韦汉珍 | Hydraulic power system of energy-saving servo variable pump |
| CN204284038U (en) * | 2014-11-25 | 2015-04-22 | 无锡海天机械有限公司 | A kind of energy-saving dynamic system for Servo Injection Molding Machine |
| CN206738272U (en) * | 2017-04-01 | 2017-12-12 | 苏州星贝尔中空成型设备有限公司 | A kind of hollow blow molding machine hydraulic system |
-
2017
- 2017-04-01 CN CN201710212476.5A patent/CN106870475A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367262A (en) * | 2008-08-22 | 2009-02-18 | 昌盛达机械(浙江)有限公司 | Servo energy conservation power system of hollow molding machine |
| CN201382031Y (en) * | 2009-04-01 | 2010-01-13 | 东华机械有限公司 | Generating device of servo hydraulic pump station |
| CN201415463Y (en) * | 2009-05-21 | 2010-03-03 | 宁波弘讯科技有限公司 | Energy-saving high-precision gas-electric hybrid injection molding machine |
| CN201900713U (en) * | 2010-11-11 | 2011-07-20 | 佛山市顺德区震德塑料机械有限公司 | PID (proportional integral derivative) hydraulic power servo control system based on hydraulic oil temperature feedback |
| CN202165337U (en) * | 2011-06-10 | 2012-03-14 | 韦汉珍 | Hydraulic power system of energy-saving servo variable pump |
| CN204284038U (en) * | 2014-11-25 | 2015-04-22 | 无锡海天机械有限公司 | A kind of energy-saving dynamic system for Servo Injection Molding Machine |
| CN206738272U (en) * | 2017-04-01 | 2017-12-12 | 苏州星贝尔中空成型设备有限公司 | A kind of hollow blow molding machine hydraulic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170630 Address after: Suzhou City, Jiangsu province 215600 City Road on the eastern side of the Zhangjiagang economic and Technological Development Zone Applicant after: BESTAR BLOW MOLDING TECHNOLOGY CO., LTD. Address before: 215600, Jiangsu Zhangjiagang Economic Development Zone (east of Suzhou Cheng Cheng Road), Suzhou star Baer hollow forming Polytron Technologies Inc Applicant before: BESTAR BLOW MOLDING MACHINE TECHNOLOGY CO., LTD. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |