CN206106308U - Servo control system of injection molding machine - Google Patents
Servo control system of injection molding machine Download PDFInfo
- Publication number
- CN206106308U CN206106308U CN201621033309.1U CN201621033309U CN206106308U CN 206106308 U CN206106308 U CN 206106308U CN 201621033309 U CN201621033309 U CN 201621033309U CN 206106308 U CN206106308 U CN 206106308U
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- servo
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- branch road
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Abstract
The utility model discloses a servo control system of injection molding machine, it includes injection molding machine host computer, the main control unit and reposition of redundant personnel hydraulic circuit, arranges the reposition of redundant personnel the control unit control reposition of redundant personnel hydraulic circuit work in the the main control unit in, reposition of redundant personnel hydraulic circuit includes a N1 branch road, and servo driver, servo motor and the oil pump of every branch road connect gradually, and the external oil tank of oil pump entry, export have connect the overflow valve, still connect the filter between oil tank and the overflow valve, and oily delivery side of pump is held up the board through oil and is connected the electromagnetism valves, the other control connection colloidal sol motor of solenoid valve component, action hydro -cylinder and feed back oil motor, and the oil circuit delivery outlet of colloidal sol motor, action hydro -cylinder and the oily motor of feed back collaborates respectively to connect between filter and overflow valve, servo driver passes through rotary encoder and connects servo motor, connects the oil pump through pressure transmitter, reposition of redundant personnel the control unit is the electromagnetism valves and the servo driver of this branch road of electricity connection respectively. The utility model discloses realize energy saving and consumption reduction.
Description
Technical field
The utility model is related to injection machine energy-saving technical field, more particularly to a kind of servo control system of injection molding machine.
Background technology
Because market increasingly increases the demand of plastic cement, promote injection machine fast-developing.It is many in order to dominate the market rapidly
Injection machine manufacturer constantly produces the increasing high-performance injection machine of power, although employ constant flow paddle pump for injection machine
System provides aerodynamic pressure, but during the injection-molded item time accounts for total cycle time 40～75%, threephase asynchronous machine band
Dynamic constant displacement pump or variable pump work, part-time allows expense power consumption, and unnecessary stream can be made during these allow expense
Amount and hydraulic valve internal friction leakage heating, cause heat exchange oil temperature is increased, and temperature rising can allow oily viscosity to become again
It is dilute, cause hydraulic pressure to decline, pressure instability, so as to allow mechanical precision to reduce.The appropriate pressure of offer, flow are provided
Hydraulic oil to meet manufacturing technique requirent, now constant displacement pump need to provide the type of cooling to lower the temperature, cost increase, phase asynchronous electricity
Machine does a little idle works more with constant displacement pump, causes substantial amounts of energy waste, reduces precision.
Because plastic injection molding machine can cause substantial amounts of energy waste phenomenon in normal productive process, energy-conserving and environment-protective are not met
Requirement, therefore we develop it is a can meet injection manufacturing technique requirent again can a new generation of energy saving be molded electro-hydraulic control
System processed is necessary.
Utility model content
The utility model provides a kind of servo control system of injection molding machine, realizes a set of servo-control system for multiple injections
Machine hydraulic system meets injection machine and various various processes is required, can reach energy-saving purpose.
The utility model is employed the following technical solutions to realize above-mentioned technical purpose：
Servo control system of injection molding machine, including the master control that injection machine host computer communicates with injection machine host computer
Unit processed and shunting hydraulic circuit, main control unit includes flow-dividing control unit, flow-dividing control unit control shunting hydraulic circuit
Work；
Shunting hydraulic circuit includes N1 branch road, each branch road including servo-driver, servomotor, oil pump, oil hold up plate,
Solenoid valve block, Collosol Motor, action tank, feed back oil motor, rotary encoder, fuel tank, filter, overflow valve and pressure inverting
Device, the servo-driver connection servomotor of each branch road, servomotor connection oil pump, the external fuel tank of oil pump inlet, outlet connect
There is overflow valve, filter is also connected between fuel tank and overflow valve, the outlet connection oil of oil pump holds up plate, and oil holds up plate connection magnetic valve
Group, solenoid valve block controls to connect Collosol Motor, action tank and feed back oil motor, Collosol Motor, action tank and feed back respectively
The oil circuit delivery outlet of oily motor collaborates to be connected between filter and overflow valve respectively；Servomotor is rotated by shaft coupling connection
Coding, the output end connection servo-driver of rotary encoder；Servo-driver gathers pressure fuel pump letter by pressure transmitter
Number；The flow-dividing control unit is electrically connected the solenoid valve block and servo-driver of this branch road.
Used as the improvement to such scheme, the main control unit of servo control system of injection molding machine also includes interflow control
Unit, interflow control unit connection interflow hydraulic circuit,
Interflow control unit is including pressure closed loop computing module, main setup unit, from setting signal allocation unit and enable
Control unit；
Interflow hydraulic circuit includes N2 motor pump branch road, and each branch road includes servo-driver, servomotor, oil
Pump, check valve and rotary encoder, the pressure closed loop computing module receives the pressure from the injection machine host computer
Main setting signal, the enable control unit is connected with the servo-driver of N2 motor pump branch road, main setup unit connection
Main servo controller and from setting new model allocation unit, from setting signal allocation unit be respectively connected from servo controller；Close
Stream hydraulic circuit is provided with pressure sensor, and pressure sensor is connected with interflow control unit.
In improvement project, carry out to pressure mainly for large-scale adapted to injection system.
Beneficial effect
The utility model is realized to many set hydraulic systems to pressure, according to the pressure of different branch by flow-dividing control pattern
The pressure signal of transmitter feeds back to servo-driver, and servo-driver further sets pressure signal and feedback by host computer
Pressure signal is compared and reaches system stability, servo-driver root by one stable value control servomotor of PID outputs
Different pressure signal parameters are set according to different process so that provide suitable flow pressure, maximum limit for many set hydraulic systems
The utilization energy of degree, realizes energy-conservation.The utility model is real also by the switching between flow-dividing control pattern and interflow control model
The now switching between common adapted to injection system and large-scale adapted to injection system, there is provided suitable flow pressure, further improves using energy source
Rate, improves energy-conservation.
Description of the drawings
Fig. 1 is the branch road knot that hydraulic circuit is shunted in the servo control system of injection molding machine that the utility model embodiment 1 is provided
Structure schematic diagram；
Fig. 2 is the controller chassis between the injection machine host computer of embodiment 2 that the utility model is provided and main control unit
Figure；
Fig. 3 is the work structuring schematic diagram under the control model of the utility model injection machine host computer control interflow.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
It is that propping up for hydraulic circuit is shunted in the servo control system of injection molding machine that the utility model embodiment 1 is provided referring to Fig. 1
Line structure schematic diagram.
In the present embodiment, servo control system of injection molding machine includes injection machine host computer 100 and the upper calculating of injection machine
The main control unit and shunting hydraulic circuit of the communication of machine 100, main control unit includes flow-dividing control unit 101, flow-dividing control list
The control shunting hydraulic circuit work of unit 101；
It is described shunting hydraulic circuit include N1 branch road, each branch road including servo-driver 2, servomotor 3, oil pump 4,
Oil holds up plate 5, solenoid valve block 6, Collosol Motor 7, action tank 8, feed back oil motor 9, rotary encoder 31, fuel tank 11, filter
12nd, overflow valve 41 and pressure transmitter 42, the connection servomotor 3 of servo-driver 2 of each branch road, servomotor 3 connects oil
Pump 4, the external fuel tank 11 of the entrance of oil pump 4, outlet are connected to overflow valve 41, and filter 12 is also connected between fuel tank 11 and overflow valve 41,
The outlet connection oil of oil pump 11 holds up plate 5, and oil holds up the connection solenoid valve block 6 of plate 5, solenoid valve block 6 control respectively connection Collosol Motor 7,
Action tank 8 and feed back oil motor 9, the oil circuit delivery outlet of Collosol Motor 7, action tank 8 and feed back oil motor 9 collaborates to connect respectively
It is connected to 41 between filter 12 and overflow valve；Servomotor 3 by shaft coupling connect rotary coding 31, rotary encoder 31 it is defeated
Go out end connection servo-driver 2；Servo-driver 2 gathers the pressure signal of oil pump 4 by pressure transmitter 42；The flow-dividing control
Unit 121 is electrically connected the solenoid valve block 6 and servo-driver 2 of this branch road so that flow-dividing control unit 121 can be obtained often
Pressure signal on bar branch road.
It is between the injection machine host computer 100 of embodiment 2 and main control unit that the utility model is provided referring to Fig. 2
Control block diagram.In the present embodiment, servo control system of injection molding machine includes that injection machine host computer 100 and injection machine are upper
Main control unit, shunting hydraulic circuit and interflow control unit 102 that computer 100 communicates, main control unit includes that shunting is controlled
Unit processed 101 and interflow control unit 102, the control shunting hydraulic circuit work of flow-dividing control unit 101, collaborate control unit
102 connection interflow hydraulic circuits.
Wherein, it is N1 branch structure in embodiment 1 to shunt hydraulic circuit.
Referring to Fig. 3, interflow control unit 102 includes pressure closed loop computing module, main setup unit, distributes from setting signal
Unit and enable control unit；
Interflow hydraulic circuit includes N2 motor pump branch road, and N2 is 4 in the embodiment, and each branch road includes servo-drive
Device, servomotor, oil pump, check valve 60 and rotary encoder 50, the pressure closed loop computing module is received from the injection
The servo-drive of the main setting signal of pressure of machine host computer 100, the enable control unit and N2 motor pump branch road
Device connects, main setup unit connection main servo controller and from setting new model allocation unit, from setting signal allocation unit with
It is each to connect from servo controller；Interflow hydraulic circuit is provided with pressure sensor 70, pressure sensor 70 and interflow control unit
102 connections；
There are mair motor rotating speed, the pressure setting of also with good grounds injection machine host computer 100 in pressure closed loop computing module
The pressure feedback signal computing of signal and pressure sensor 70, the program for trying to achieve pressure adjustment signal, and with good grounds pressure signal
Try to achieve mair motor rotary speed setting signal to drive main servo motor.
The speed setting for having N2 motor pump branch road motor servo controller from set information allocation unit
The ratio of signal and mair motor servo controller speed setting information number, and have by mair motor rotary speed setting signal and above-mentioned set
Certainty ratio tries to achieve each servo controller rotating speed from setting signal to drive from servomotor；
The main control unit also includes control model selecting module, is obtained inside servo-driver according to pressure signal
To control, interflow control unit 102 works terminal logic function or flow-dividing control unit 101 works.
The above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from the utility model principle, some improvements and modifications can also be made, these improve and moisten
Decorations are also considered as protection domain of the present utility model.
Claims (2)
1. servo control system of injection molding machine, it is characterised in that include：Injection machine host computer and injection machine host computer
The main control unit and shunting hydraulic circuit of communication, main control unit includes flow-dividing control unit, the control point of flow-dividing control unit
Stream hydraulic circuit work；
Shunting hydraulic circuit includes N1 branch road, and each branch road includes that servo-driver, servomotor, oil pump, oil hold up plate, electromagnetism
Valve group, Collosol Motor, action tank, feed back oil motor, rotary encoder, fuel tank, filter, overflow valve and pressure transmitter,
The servo-driver connection servomotor of each branch road, servomotor connection oil pump, the external fuel tank of oil pump inlet, outlet are connected to excessive
Stream valve, is also connected with filter between fuel tank and overflow valve, the outlet connection oil of oil pump holds up plate, and oil holds up plate connection solenoid valve block, electricity
Magnet valve group controls to connect Collosol Motor, action tank and feed back oil motor, Collosol Motor, action tank and feed back oil motor respectively
Oil circuit delivery outlet collaborate to be connected between filter and overflow valve respectively；Servomotor connects rotary coding by shaft coupling,
The output end connection servo-driver of rotary encoder；Servo-driver gathers pressure fuel pump signal by pressure transmitter；Institute
State solenoid valve block and servo-driver that flow-dividing control unit is electrically connected this branch road.
2. servo control system of injection molding machine as claimed in claim 1, it is characterised in that the main control unit also includes interflow
Control unit, interflow control unit connection interflow hydraulic circuit,
Interflow control unit includes pressure closed loop computing module, main setup unit, controls from setting signal allocation unit and enable
Unit；
Interflow hydraulic circuit includes N2 motor pump branch road, and each branch road includes servo-driver, servomotor, oil pump, list
To valve and rotary encoder, the pressure closed loop computing module receives the main setting of pressure from the injection machine host computer
Signal, the enable control unit is connected with the servo-driver of N2 motor pump branch road, and main setup unit connects main servo
Controller and from setting new model allocation unit, from setting signal allocation unit be respectively connected from servo controller；Interflow hydraulic pressure
Loop is provided with pressure sensor, and pressure sensor is connected with interflow control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621033309.1U CN206106308U (en) | 2016-08-31 | 2016-08-31 | Servo control system of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621033309.1U CN206106308U (en) | 2016-08-31 | 2016-08-31 | Servo control system of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206106308U true CN206106308U (en) | 2017-04-19 |
Family
ID=58519322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621033309.1U Active CN206106308U (en) | 2016-08-31 | 2016-08-31 | Servo control system of injection molding machine |
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| CN (1) | CN206106308U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346732A (en) * | 2016-08-31 | 2017-01-25 | 广州珠峰电气股份有限公司 | Injection molding machine servo control system |
| CN107336403A (en) * | 2017-06-27 | 2017-11-10 | 连云港师范高等专科学校 | A kind of injection machine servo-drive and control system |
-
2016
- 2016-08-31 CN CN201621033309.1U patent/CN206106308U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346732A (en) * | 2016-08-31 | 2017-01-25 | 广州珠峰电气股份有限公司 | Injection molding machine servo control system |
| CN107336403A (en) * | 2017-06-27 | 2017-11-10 | 连云港师范高等专科学校 | A kind of injection machine servo-drive and control system |
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