CN206738272U - A kind of hollow blow molding machine hydraulic system - Google Patents
A kind of hollow blow molding machine hydraulic system Download PDFInfo
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- CN206738272U CN206738272U CN201720339402.3U CN201720339402U CN206738272U CN 206738272 U CN206738272 U CN 206738272U CN 201720339402 U CN201720339402 U CN 201720339402U CN 206738272 U CN206738272 U CN 206738272U
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- servo
- servopump
- driver
- hydraulic oil
- preset value
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Abstract
The utility model 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 pump output flow preset value is sent into servo-driver in real time；Servo pump output flow 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.The utility model has the advantages that：（1）The output flow of servopump can be adjusted, the output flow of servopump is matched with the hydraulic oil usage amount required for the hydraulic actuating mechanism of current action, farthest reduce energy loss, good energy-conserving effect；（2）The action stability of hydraulic actuating mechanism can be ensure that using after servopump by hydraulic oil Oil-temperature control in security interval.
Description
Technical field
It the utility model is related 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 used hydraulic system is main at present
It is shifting formwork unit, closing unit, the locked mode being supplied to hydraulic oil 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.Hydraulic system used at present has the drawback that：（1）Because each hydraulic actuating mechanism moves
Required hydraulic fluid flow rate differs when making, and the output flow of duplex pump is fixed, can not carry out Flow-rate adjustment,
Each hydraulic oil usage amount is caused to cause a large amount of of energy when being less than the hydraulic actuating mechanism action of duplex pump output flow
Loss, energy-saving effect are 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.
Utility model content
The purpose of this utility model is to provide a kind of hollow blow molding machine hydraulic system of good energy-conserving effect.
To achieve the above object, the utility model employs following technical scheme：A kind of described blow molding machine hydraulic pressure
System, including hydraulic actuating mechanism, controller, servo-driver, servopump and encoder；The controller can preset servopump
Output flow and servo pump output flow preset value is sent to servo-driver in real time；The servo-driver can be in real time
Receive the servo pump output flow preset value that controller is sent and the servo pump output flow preset value is converted into servopump and turn
Fast preset value simultaneously controls servopump to be operated by the servo revolution speed preset value, and hydraulic oil is conveyed by hydraulic oil pipeline
To hydraulic actuating mechanism；The encoder can gather the real work rotating speed of servopump in real time and by the servopump collected
Real work rotating speed Real-time Feedback is to servo-driver, when servo-driver detects the real work rotating speed and servo of servopump
When revolution speed preset value is inconsistent, servo-driver can control the rotating speed of adjustment servopump, make the real work rotating speed of servopump
It is consistent with servo revolution speed preset value.
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 detect hydraulic oil pipeline current pipeline pressure and the current pipeline pressure of the hydraulic oil pipeline detected is sent in real time
The pressure sensor of servo-driver, when servo-driver detects that the current pipeline pressure of hydraulic oil pipeline is more than pipeline pressure
During safety value, servo-driver can control stopping servopump.
The implementation of Pass through above-mentioned technical proposal, the beneficial effects of the utility model are：（1）Can be to the output flow of servopump
It is adjusted, enables the output flow of servopump and the hydraulic oil usage amount phase required for the hydraulic actuating mechanism of current action
Match somebody with somebody, so as to farthest reduce the loss of energy, good energy-conserving effect；（2）Using can be by hydraulic oil oil temperature after servopump
Control in security interval, ensure 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 described in the utility model.
Embodiment
The utility model is described in further detail 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 servo-driver 3 controller 2 is sent
The servo pump output flow 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 encoder 5 can gather the real work rotating speed of servopump 4 in real time and by the reality of the servopump 4 collected
Working speed Real-time Feedback is 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 the rotating speed of adjustment 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, is provided with and can be detected in real time on hydraulic oil pipeline 6
The current pipeline pressure of the hydraulic oil pipeline 6 detected is simultaneously sent to servo by the current pipeline pressure of hydraulic oil pipeline 6 in real time
The pressure sensor 7 of driver 3, when servo-driver 3 detects that the current pipeline pressure of hydraulic oil pipeline 6 is more than pipeline pressure
During safety value, servo-driver 3, which can control, stops servopump 4, so can further improve the safety and stability of hydraulic control system
Property；
Operation principle of the present utility model is as follows：
The output flow of servopump 4 is first preset on controller 2 according to the actual hydraulic pressure oil usage amount of hydraulic actuating mechanism 1
And the pipeline pressure safety value of hydraulic oil pipeline 6, and servo pump output flow preset value and pipeline pressure safety value are sent out in real time
Give servo-driver 3；The servo pump output flow preset value and pipeline that the meeting real-time reception of servo-driver 3 controller 2 is sent
The servo pump output flow preset value is simultaneously converted into servo revolution speed preset value by pressure security value, and controls servopump 4 by this
Servo revolution speed preset value is operated, and hydraulic oil is conveyed into hydraulic actuating mechanism 1 by hydraulic oil pipeline 6, in servopump 4
In the course of work, encoder 5 can gather the real work rotating speed of servopump 4 in real time and by the actual work of the servopump 4 collected
Make rotating speed Real-time Feedback to servo-driver 3, when servo-driver 3 detects the real work rotating speed and servopump of servopump 4
When rotating speed preset value is inconsistent, servo-driver 3 can control the rotating speed of adjustment servopump 4, make the real work rotating speed of servopump 4
It is consistent with servo revolution speed preset value；Simultaneously pressure sensor 7 can in real time detect hydraulic oil pipeline 6 current pipeline pressure,
And the current pipeline pressure of the hydraulic oil pipeline 6 detected is sent to servo-driver 3 in real time, when servo-driver 3 detects
When being more than pipeline pressure safety value to the current pipeline pressure of hydraulic oil pipeline 6, servo-driver 3, which can control, stops servopump 4.
The utility model has the advantages that：（1）The output flow of servopump can be adjusted, enable the output flow of servopump with it is current
Hydraulic oil usage amount required for the hydraulic actuating mechanism of action matches, so as to farthest reduce the loss of energy,
Good energy-conserving effect；（2）Hydraulic actuating mechanism can be ensure that using after servopump by hydraulic oil Oil-temperature control in security interval
Action stability.
Claims (2)
- A kind of 1. 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 pump output flow preset value in real time Give servo-driver；The servo pump output flow preset value of the servo-driver energy real-time reception controller transmission simultaneously should Servo pump output flow 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 oil is conveyed to hydraulic actuating mechanism by hydraulic oil pipeline；The encoder can gather servopump in real time Real work rotating speed and by the real work rotating speed Real-time Feedback of the servopump collected to servo-driver, work as servo-drive When device detects the real work rotating speed of servopump and inconsistent servo revolution speed preset value, 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.
- A kind of 2. 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 that can the detect hydraulic oil pipeline in real time and current pipeline pressure of the hydraulic oil pipeline detected is real When be sent to the pressure sensor of servo-driver, when servo-driver detects that the current pipeline pressure of hydraulic oil pipeline is more than During pipeline pressure safety value, servo-driver can control stopping servopump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720339402.3U CN206738272U (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 |
|---|---|---|---|
| CN201720339402.3U CN206738272U (en) | 2017-04-01 | 2017-04-01 | A kind of hollow blow molding machine hydraulic system |
Publications (1)
| Publication Number | Publication Date |
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| CN206738272U true CN206738272U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720339402.3U Active CN206738272U (en) | 2017-04-01 | 2017-04-01 | A kind of hollow blow molding machine hydraulic system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870475A (en) * | 2017-04-01 | 2017-06-20 | 苏州星贝尔中空成型科技股份有限公司 | A kind of hollow blow molding machine hydraulic system |
-
2017
- 2017-04-01 CN CN201720339402.3U patent/CN206738272U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870475A (en) * | 2017-04-01 | 2017-06-20 | 苏州星贝尔中空成型科技股份有限公司 | A kind of hollow blow molding machine hydraulic system |
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