CN202656440U - Servo system for injection molding machine - Google Patents
Servo system for injection molding machine Download PDFInfo
- Publication number
- CN202656440U CN202656440U CN 201220259137 CN201220259137U CN202656440U CN 202656440 U CN202656440 U CN 202656440U CN 201220259137 CN201220259137 CN 201220259137 CN 201220259137 U CN201220259137 U CN 201220259137U CN 202656440 U CN202656440 U CN 202656440U
- Authority
- CN
- China
- Prior art keywords
- servo
- driver
- oil pump
- injection molding
- pressure sensor
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a servo system for an injection molding machine. The servo system comprises a servo driver, a servo motor, an oil pump and a pressure sensor, the servo driver is connected with the servo motor through signals, the servo motor is connected with the oil pump in a driving manner, an interface connected with an upper computer controller is arranged on the servo driver, an oil outlet pipeline of the oil pump is connected with an oil pipeline of the injection molding machine, the pressure sensor is arranged on the oil pipeline of the injection molding machine, and the servo driver adjusts the working state of the servo motor according to an oil pump output pressure value acquired by the pressure sensor. The servo system has the advantage that energy-saving effects can be effectively achieved by controlling pressure and flow.
Description
Technical field
The utility model relates to the injection machine technology, is a kind of servo-drive system of injection machine specifically.
Background technology
The injection machine technical process is generally divided several stages such as locked mode, injection, melten gel, pressurize, cooling, die sinking, and stages needs different pressure and flow.In the injecting products cost structure, the electricity charge have accounted for suitable ratio, and especially injection machine oil pump motor power consumption accounts for the ratio of whole electricity consumption of equipment amount up to 50%～80%.Full hydraulic injection machine injection moulding process is in the load condition of variation, and in hydraulic system with constant displacement pump, oil pump motor provides constant flow rate with constant rotating speed, and unnecessary hydraulic oil refluxes by overflow valve.According to statistics, the energy loss that is caused by the high pressure throttling is up to 36%～68%, so energy consumption cost is high.
The utility model content
The purpose of this utility model is to solve the problems of the technologies described above, and a kind of servo system of injection molding machine that can energy efficient is provided.
Technological means: the utility model discloses a kind of servo system of injection molding machine, comprise servo-driver, servomotor, oil pump and pressure sensor, servo-driver is connected with the servomotor signal, servomotor is connected with oil pump transmission, be provided with the interface that is connected with supervisory controller at servo-driver, the fuel-displaced pipeline of oil pump is connected with the oil pipe line of injection machine, pressure sensor is arranged on the oil pipe line of injection machine, and the oil pump output pressure value that servo-driver obtains according to pressure sensor is adjusted the duty of servomotor.
Above-mentioned servo system of injection molding machine comprises two or more servo-drivers, wherein a servo-driver is connected with the supervisory controller signal, this servo-driver is the main servo driver, all the other are from servo-driver, each servo-driver connects by the CAN bus, every equal signal of servo-driver is connected with a servomotor, every servomotor all is connected with an oil pump, the fuel-displaced pipeline of each oil pump is connected with the oil pipe line of injection machine after being connected to form the interflow oil circuit, pressure sensor is arranged on the oil pipe line of injection machine, and pressure sensor is connected with the main servo driver signal.On the fuel-displaced pipeline of oil pump, also be provided with valve.Servo-driver can be provided with at most 16, is 16 pumping systems.
Beneficial effect: 1, measure oil pressure by pressure sensor, and real-time control oil pump rotating speed is to guarantee output flow and pressure, effectively energy savings; What 2, be connected with supervisory controller is the main servo driver, all the other are from servo-driver, and by CAN(Controller Area Network, being controller local area network) bus connects together, parameter is easy to adjust, both can guarantee that reliable operation finished, can alleviate again the burden of single equipment.
Description of drawings
Fig. 1 is one of structural representation of the present utility model;
Fig. 2 is two of structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the utility model discloses a kind of servo system of injection molding machine, comprise servo-driver 1, servomotor 2, oil pump 3 and pressure sensor 4, servo-driver 1 is connected with servomotor 2 signals, servomotor 2 is in transmission connection with oil pump 3, servo-driver 1 is connected with the supervisory controller signal, the fuel-displaced pipeline of oil pump 3 is connected with the oil pipe line 5 of injection machine, pressure sensor 4 is arranged on the oil pipe line 5 of injection machine, and the oil pump 3 output pressure values that servo-driver 1 obtains according to pressure sensor 4 are adjusted the duty of servomotor.
During work, supervisory controller arranges given pressure and flow signal to servo-driver 1 in advance, the pressure that detects when pressure sensor 4 is during less than pressure set points, and the rotating speed of servo-driver control servomotor makes the output flow of oil pump 3 remain on setting value; When the pressure that detects when pressure sensor 4 reached setting value, the torque of servo-driver 1 control servomotor 2 made the output pressure of oil pump 3 remain on setting value.
As shown in Figure 2, the invention also discloses a kind of heavy wool infusion molding machine servo-drive system, comprise two or more servo-drivers, wherein a servo-driver 1 is connected with the supervisory controller signal, this servo-driver is the main servo driver, all the other are from servo-driver, each servo-driver 1 connects by CAN bus 7, every servo-driver 1 equal signal is connected with a servomotor 2, every servomotor 2 all is connected with an oil pump 3, on the fuel-displaced pipeline of oil pump 3, also be provided with valve 6, the fuel-displaced pipeline of each oil pump 3 is connected with the oil pipe line 5 of injection machine after being connected to form the interflow oil circuit, pressure sensor 4 is arranged on the oil pipe line 5 of injection machine, and pressure sensor 4 is connected with the main servo driver signal.Servo-driver can be provided with at most 16, is 16 pumping systems.
Claims (4)
1. servo system of injection molding machine, it is characterized in that: described servo system of injection molding machine comprises servo-driver, servomotor, oil pump and pressure sensor, servo-driver is connected with the servomotor signal, servomotor is connected with oil pump transmission, be provided with the interface that is connected with supervisory controller at servo-driver, the fuel-displaced pipeline of oil pump is connected with the oil pipe line of injection machine, pressure sensor is arranged on the oil pipe line of injection machine, and the oil pump output pressure value that servo-driver obtains according to pressure sensor is adjusted the duty of servomotor.
2. servo system of injection molding machine according to claim 1, it is characterized in that: described servo system of injection molding machine comprises two or more servo-drivers, wherein a servo-driver is connected with the supervisory controller signal, this servo-driver is the main servo driver, all the other are from servo-driver, each servo-driver connects by the CAN bus, every equal signal of servo-driver is connected with a servomotor, every servomotor all is connected with an oil pump, the fuel-displaced pipeline of each oil pump is connected with the oil pipe line of injection machine after being connected to form the interflow oil circuit, pressure sensor is arranged on the oil pipe line of injection machine, and pressure sensor is connected with the main servo driver signal.
3. servo system of injection molding machine according to claim 2 is characterized in that: also be provided with valve on the fuel-displaced pipeline of described oil pump.
4. according to claim 2 or 3 described servo system of injection molding machines, it is characterized in that: described servo-driver is provided with 16, is 16 pumping systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220259137 CN202656440U (en) | 2012-06-04 | 2012-06-04 | Servo system for injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220259137 CN202656440U (en) | 2012-06-04 | 2012-06-04 | Servo system for injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202656440U true CN202656440U (en) | 2013-01-09 |
Family
ID=47451371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220259137 Expired - Fee Related CN202656440U (en) | 2012-06-04 | 2012-06-04 | Servo system for injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202656440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108762347A (en) * | 2018-04-25 | 2018-11-06 | 广州市香港科大***研究院 | Two-dimensional optimization electrohydraulic servo system and its implementation |
-
2012
- 2012-06-04 CN CN 201220259137 patent/CN202656440U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108762347A (en) * | 2018-04-25 | 2018-11-06 | 广州市香港科大***研究院 | Two-dimensional optimization electrohydraulic servo system and its implementation |
| CN108762347B (en) * | 2018-04-25 | 2023-09-29 | 广州市香港科大***研究院 | Two-dimensional optimized electrohydraulic servo system and implementation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202062695U (en) | Hydraulic-machine servo-pump control system | |
| CN204284038U (en) | A kind of energy-saving dynamic system for Servo Injection Molding Machine | |
| CN201475067U (en) | Multi-pump combined control hydraulic power system based on servo motor control | |
| CN205956121U (en) | One -way servopump of bender does not have overflow energy -saving control system | |
| CN105041744A (en) | PLC control system and method of servo energy-saving control system of ceramic press | |
| CN102943500A (en) | Energy-saving control method of hydraulic negative flow of excavator | |
| CN202137352U (en) | Pump station output device of continuous casting machine | |
| CN204099315U (en) | A kind of hydraulic power energy-saving servo control gear | |
| CN202656440U (en) | Servo system for injection molding machine | |
| CN203580060U (en) | Injection molding machine servo energy-saving control system | |
| CN204975261U (en) | Servo hydraulic system of die casting machine | |
| CN204892902U (en) | Power source system of die casting machine | |
| CN202764095U (en) | Servo energy-saving system of rubber vulcanizing machine | |
| CN203756490U (en) | Energy-saving system for plunger pump | |
| CN201823918U (en) | Pump station oil pump driving device of die casting machine hydraulic system | |
| CN201702911U (en) | Injection molding machine double-closed-loop energy-saving control device | |
| CN104924557A (en) | Servo drive and control system of injection molding machine | |
| CN202986038U (en) | Frequency control system of injection molding machine vector | |
| CN204061418U (en) | The energy-saving control device of hydraulic station | |
| CN205149010U (en) | Hydraulic press pushes down speed adjustable and divides oil circuit piece | |
| CN202278721U (en) | Servo driver with controllable pressure and flow | |
| CN205013442U (en) | Single servo motor double pump closed loop control system | |
| CN204488001U (en) | Injection machine intelligent frequency-conversion energy-saving control system | |
| CN203417948U (en) | Energy-saving servo profile extruder control system | |
| CN201989282U (en) | Energy-saving device for injection molding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20170604 |