CN202895644U - Injection molding machine servo energy saving device - Google Patents
Injection molding machine servo energy saving device Download PDFInfo
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- CN202895644U CN202895644U CN 201220564689 CN201220564689U CN202895644U CN 202895644 U CN202895644 U CN 202895644U CN 201220564689 CN201220564689 CN 201220564689 CN 201220564689 U CN201220564689 U CN 201220564689U CN 202895644 U CN202895644 U CN 202895644U
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- injection molding
- molding machine
- gear pump
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Abstract
The utility model relates to the servo control power-saving technical field, and particularly relates to an injection molding machine servo energy saving device. The injection molding machine servo energy saving device comprises an injection molding machine control system, a servo driver, a servo motor, a gear pump, a pressure sensor and a rotary encoder, wherein the injection molding machine control system is connected with the servo driver, and the servo driver is connected with the servo motor; the servo motor is connected with the gear pump, and the gear pump is connected with the injection molding machine; and the pressure sensor is respectively connected with the gear pump and the servo driver, and the rotary encoder is respectively connected with the servo motor and the servo driver. The injection molding machine servo energy saving device provided by the utility model has the beneficial effects of high energy saving, rapid reaction and high precision.
Description
Technical field
The utility model relates to the SERVO CONTROL field of energy-saving technology, relates in particular to a kind of servo energy-saving device of injection molding machine.
Background technology
In the middle of existing injection machine, the locked mode of equipment partly be quantitatively, the variable hydraulic technique, the shortcomings such as this technology has that energy consumption is high, response speed is slow,, corrective maintenance expense height large to ambient influnence; Constant displacement pump operation principle---constant displacement pump is to adopt the Induction Motor-Driven quantitative oil pump to provide oil pressure and flow to system, just full speed running behind the electric motor starting, the oil pump normal operation, the pressure that system needs and flow are realized control by the PQ valve, the residual hydraulic pressure oil spill flows back to fuel tank, supply exceed demand, forms the waste of the energy.
Summary of the invention
The utility model purpose is to provide a kind of servo energy-saving device of injection molding machine, significantly reduces the consumption of the energy.
In order to achieve the above object, the utility model is achieved in that
A kind of servo energy-saving device of injection molding machine comprises: control system for shot machine, servo-driver, servomotor, gear pump, pressure sensor, rotary encoder; Described control system for shot machine connects servo-driver; Described servo-driver connects servomotor; Described servomotor connection teeth wheel pump; Described gear pump connects injection machine; Described pressure sensor is connected with servo-driver with gear pump respectively: described rotary encoder is connected with servo-driver with servomotor respectively.
As a kind of improvement, described servomotor is alternating-current permanent-magnet servo motor.
As a kind of improvement, described gear pump is crescent gear pump.
As a kind of improvement, described control system for shot machine uses the pid algorithm module.
The utility model usefulness is:
1, compares with variable pump systems with traditional constant displacement pump, the servo control system of oil pump that is formed by servomotor, gear pump, pressure sensor, rotary encoder combine servomotor fast stepless speed governing characteristic and hydraulic oil pump from main regulation oil pressure characteristic, bring huge energy-saving potential, compare the energy-conservation 45%-80% of constant displacement pump.
2, the rapid response speed of alternating-current permanent-magnet servo motor has ensured opening and closing mould precision, and injection final position precision can reach 0.1mm; Cooperate precision die, can reach 0.3% injection moulding precision.
3, be provided with high accuracy in the control system for shot machine, the pid algorithm module of high response makes system pressure highly stable, and pressure oscillation is lower than ± 0.5bar, compares the qualification rate that the conventional hydraulic machine shows stronger injection stability shaped article and significantly improves.
4, because the rotary inertia of servomotor is minimum, system response time is exceedingly fast, and is up to 50ms, and the Shooting Technique that needs fine adjustment is more prone to meet the demands.
5, implement the servo energy-saving device of injection molding machine that the utility model provides, can reach high energy-conservation, reaction is fast, and precision is high.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is overall structure schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail:
A kind of servo energy-saving device of injection molding machine comprises: control system for shot machine, servo-driver, servomotor, gear pump, pressure sensor, rotary encoder; Described control system for shot machine connects servo-driver; Described servo-driver connects servomotor, and described servomotor is alternating-current permanent-magnet servo motor; Described servomotor connection teeth wheel pump, described gear pump is crescent gear pump; Described gear pump connects injection machine, and described gear pump is crescent gear pump, and described crescent gear pump is used for driving machine; Described pressure sensor is connected with servo-driver with gear pump respectively: described rotary encoder is connected with servo-driver with servomotor respectively, is provided with the pid algorithm module in the described control system for shot machine.
The course of work:
Assign instruction to servo-driver by control system for shot machine, servo-driver is according to instruction, adjust the running of alternating-current permanent-magnet servo motor, alternating-current permanent-magnet servo motor drives the crescent gear pump rotation, the crescent gear pump rotation is namely by instruction output pressure flow, pressure sensor acquisition system pressure feedback is to servo-driver, rotary encoder gathers the speed feedback of alternating-current permanent-magnet servo motor to servo-driver, servo-driver by conversion actual pressure and speed feedback to control system for shot machine, the control system for shot machine process is to actual pressure, rotating speed and instruction pressure, the contrast of rotating speed is processed, thereby adjusts command pressure and rotating speed.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (4)
1. a servo energy-saving device of injection molding machine is characterized in that, comprising: control system for shot machine, servo-driver, servomotor, gear pump, pressure sensor, rotary encoder; Described control system for shot machine connects servo-driver; Described servo-driver connects servomotor; Described servomotor connection teeth wheel pump; Described gear pump connects injection machine; Described pressure sensor is connected with servo-driver with gear pump respectively; Described rotary encoder is connected with servo-driver with servomotor respectively.
2. described servo energy-saving device of injection molding machine according to claim 1, it is characterized in that: described servomotor is alternating-current permanent-magnet servo motor.
3. described servo energy-saving device of injection molding machine according to claim 1, it is characterized in that: described gear pump is crescent gear pump.
4. described servo energy-saving device of injection molding machine according to claim 1 is characterized in that: be provided with the pid algorithm module in the described control system for shot machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564689 CN202895644U (en) | 2012-10-31 | 2012-10-31 | Injection molding machine servo energy saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564689 CN202895644U (en) | 2012-10-31 | 2012-10-31 | Injection molding machine servo energy saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202895644U true CN202895644U (en) | 2013-04-24 |
Family
ID=48116354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220564689 Expired - Fee Related CN202895644U (en) | 2012-10-31 | 2012-10-31 | Injection molding machine servo energy saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202895644U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441527A (en) * | 2014-11-14 | 2015-03-25 | 安徽欧通机电科技股份有限公司 | Injection molding machine based on servo energy conservation improvement of oil pump |
| CN105313285A (en) * | 2014-07-17 | 2016-02-10 | 淮安市吉达塑料机械有限公司 | Novel injection machine control system |
| CN110641188A (en) * | 2019-11-05 | 2020-01-03 | 义乌联动机械股份有限公司 | Device for replacing traditional mechanical transmission gear compasses with servo control |
-
2012
- 2012-10-31 CN CN 201220564689 patent/CN202895644U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313285A (en) * | 2014-07-17 | 2016-02-10 | 淮安市吉达塑料机械有限公司 | Novel injection machine control system |
| CN104441527A (en) * | 2014-11-14 | 2015-03-25 | 安徽欧通机电科技股份有限公司 | Injection molding machine based on servo energy conservation improvement of oil pump |
| CN110641188A (en) * | 2019-11-05 | 2020-01-03 | 义乌联动机械股份有限公司 | Device for replacing traditional mechanical transmission gear compasses with servo control |
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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: 20130424 Termination date: 20161031 |