CN201300535Y - Control system for feeding device of extrusion machine - Google Patents
Control system for feeding device of extrusion machine Download PDFInfo
- Publication number
- CN201300535Y CN201300535Y CNU2008203027947U CN200820302794U CN201300535Y CN 201300535 Y CN201300535 Y CN 201300535Y CN U2008203027947 U CNU2008203027947 U CN U2008203027947U CN 200820302794 U CN200820302794 U CN 200820302794U CN 201300535 Y CN201300535 Y CN 201300535Y
- Authority
- CN
- China
- Prior art keywords
- controller
- motor
- links
- main shaft
- motor driver
- 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
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Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92866—Inlet shaft or slot, e.g. passive hopper; Injector, e.g. injector nozzle on barrel
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92952—Drive section, e.g. gearbox, motor or drive fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an extrusion machine, in particular to a control system for feeding device of extrusion machine, comprising a control panel and a controller. A signal output terminal of the controller is connected with a motor driver, a current output terminal of the motor driver is connected with a motor, a power output terminal of the motor is connected with a main shaft of a feeding device through an actuating mechanism, and the main shaft of the feeding device is connected with a feedback signal receiving terminal of the controller through a rotation speed feedback circuit. The controller outputs signals of rotation, stopping, acceleration, deceleration and the like of the main shaft of the feeding device, and transmits the signals to the motor driver which drives the motor to rotate according to the signals output by the controller. Rotation speed signals of the motor are transmitted to the controller through the feedback circuit, and the controller obtained adjusted value for rotation speed of the motor through calculation and transmits the signals to the motor driver after the controller receives the feedback signals, thereby playing a function of immediately regulating the rotation speed of the main shaft of the feeding device and ensuring accuracy and uniformity of feeding operation.
Description
Technical field
The utility model relates to a kind of extruder, especially relates to a kind of control system of extruder drawing-in device.
Background technology
Extruder is the requisite plant equipment that a kind of plastics, rubber-moulding are made the field, extruder is under screw acting molten plastic to be extruded by the extrusion of solid shape, it cuts behind water-cooled shaping under the hauling machine effect. and a large amount of the continuing that is mainly used in various same cross-sectional products produces, as manage rod profile shapes etc., also can be used for the modifying plastics granulation.Present extruder is general to adopt rectilinear filling feeder to be used for plastic raw materials is carried out feeding, get rid of plastics and in hopper, built bridge, encircleed phenomenons such as plug, this device is that handy motor drives, and rotating speed of motor tends to take place and the problem of the rotating speed generation deviation of needs, and then cause, the speed of feeding can with the speed generation difference of needs, this not only makes to be subjected to influence in various degree the service life of extruder itself, also can make can't meet the quality requirement of extruded product.The patent No. is that the utility model of CN200720153146.5 discloses a kind of unpowered vertical filling feeder, and this machine is made up of parts such as driving pulley, V band, driven pulley, transverse axis, bevel gear, main shaft, spiral, bearing, hoppers.This machine need not Motor Drive, and its power is by being enclosed within driving pulley on the extruder reducer output shaft end.Therefore, reinforced spiral is along with the rotation realization of extruder screw is carried out forced feed to plastics.Extrusion can be regulated belt wheel or bevel gear according to plasticating capacity, simultaneously, also can change different spirals according to the different raw material of processing.The structure of this mode is comparatively complicated, regulates trouble, and in process of production, if the rotating speed generation deviation of feeder main shaft may immediately not regulated.
Summary of the invention
The utility model mainly is that the charging of solution existing in prior technology extruder drawing-in device is inhomogeneous, the adjusting trouble of drawing-in device, and in production is carried out, can't make the instant technical problem of adjusting etc., providing a kind of can carry out instant adjustment to feeding mechanism, makes its feeding a kind of control system of squeezing the machine drawing-in device uniformly.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of control system of extruder drawing-in device, comprise control panel, controller, the signal output part that it is characterized in that described controller links to each other with a motor driver, the current output terminal of motor driver links to each other with motor, the clutch end of motor links to each other with the main shaft of drawing-in device by transmission mechanism, and the main shaft of drawing-in device links to each other with the feedback signal receiving terminal of controller by the feedback circuit of rotating speed.Controller be responsible for sending the main shaft of drawing-in device rotation, stop, the signal of acceleration, deceleration etc., and signal passed to motor driver, motor driver rotates according to the signal drive motor of controller.Motor speed signal is issued controller by feedback circuit again, behind the controller receiving feedback signals, by calculating the adjusted value of motor speed, and signal is issued motor driver, play the effect that the rotating speed of the main shaft of drawing-in device is adjusted immediately, make feeding more evenly accurately.
As preferably, the signal output part of described controller links to each other with a motor driver, the current output terminal of motor driver links to each other with motor, and the clutch end of motor links to each other with extrusion screw rod, and extrusion screw rod links to each other with the feedback signal receiving terminal of controller by the feedback circuit of rotating speed.Controller be responsible for sending screw rod rotation, stop, the signal of acceleration, deceleration etc., and signal passed to motor driver, motor driver rotates according to the signal drive motor of controller.Motor speed signal is issued controller by feedback circuit again, behind the controller receiving feedback signals, by calculating the adjusted value of motor speed, and signal is issued motor driver, play the effect that the rotating speed of extrusion screw rod is adjusted immediately, make rotating speed more accurate.
As preferably, the signal output part of described controller links to each other with a motor driver, the current output terminal of motor driver links to each other with motor, the clutch end of motor links to each other with the main shaft of draw-gear, and the main shaft of draw-gear links to each other with the feedback signal receiving terminal of controller by the feedback circuit of rotating speed.Controller be responsible for sending the main shaft of draw-gear rotation, stop, the signal of acceleration, deceleration etc., and signal passed to motor driver, motor driver rotates according to the signal drive motor of controller.Motor speed signal is issued controller by feedback circuit again, behind the controller receiving feedback signals, by calculating the adjusted value of motor speed, and signal issued motor driver, play the effect that the rotating speed of the main shaft of draw-gear is adjusted immediately, make draw-gear hauling speed more accurately, evenly, regulate more timely.
As preferably, the feedback circuit of described rotating speed is provided with an encoder, and the main shaft of encoder and drawing-in device is suitable, and the signal output part of encoder links to each other with the feedback signal receiving terminal of described controller.The coding apparatus can read rotating speed of motor immediately, and the rotating speed of motor signal is issued controller.
As preferably, described encoder is an incremental encoder.Incremental encoder is to make zero as numerical digit in any position, and then starts at accumulative total displacement or numerical digit amount that angle increased or reduced with this point.And these needs in the function of drawing-in device, have just in time been satisfied.
As preferably, described encoder photoelectricity incremental encoder.
As preferably, described control panel comprises numeral input/program editing button, start button, manual switching button, pause button, and above button links to each other with controller respectively.Numeral input/program editing button can be set rotating speed for the main shaft of drawing-in device, and rotation time is manual or automatic etc.
The beneficial effect that brings of the present utility model is, can carry out instant adjustment to feeding mechanism, makes its feeding a kind of control system of squeezing the machine drawing-in device uniformly.
Therefore, the utlity model has characteristics such as rational in infrastructure, easy to operate.
Description of drawings
Accompanying drawing 1 is a kind of schematic diagram of the present utility model.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: accompanying drawing 1 is a kind of fundamental diagram of the present utility model, a kind of control system of extruder drawing-in device, comprise control panel, controller, the signal output part of controller links to each other with a motor driver, the current output terminal of motor driver links to each other with motor, the clutch end of motor links to each other with the main shaft of drawing-in device, and the main shaft of drawing-in device and a photoelectricity incremental encoder are suitable, and the signal output part of this encoder links to each other with a signal receiving end of controller.Control panel comprises numeral input/program editing button, start button, manual switching button, pause button, and above button links to each other with controller respectively.
In process manual or control automatically, the operator sends run signal by control panel to system, control panel is according to the signal control motor driver that obtains, motor driver is controlled rotating speed of motor by the electric current of control input motor, the main shaft of driven by motor drawing-in device rotates, the tach signal that the main shaft of drawing-in device rotates is given controller by encoder feedback again, the velocity deviation of rotating by the main shaft that calculates drawing-in device after the controller received signal, and by the control motor driver rotating speed of motor is regulated.
So the utility model has realized that the hauling speed of drawing-in device is accurate more, even, it is more timely to regulate.
Claims (7)
1. the control system of an extruder drawing-in device, comprise control panel, controller, the signal output part that it is characterized in that described controller links to each other with a motor driver, the current output terminal of motor driver links to each other with motor, the clutch end of motor links to each other with the main shaft of drawing-in device by transmission mechanism, and the main shaft of drawing-in device links to each other with the feedback signal receiving terminal of controller by the feedback circuit of rotating speed.
2. the control system of a kind of extruder drawing-in device according to claim 1, the signal output part that it is characterized in that described controller links to each other with a motor driver, the current output terminal of motor driver links to each other with motor, the clutch end of motor links to each other with extrusion screw rod, and extrusion screw rod links to each other with the feedback signal receiving terminal of controller by the feedback circuit of rotating speed.
3. the control system of a kind of extruder drawing-in device according to claim 1, the signal output part that it is characterized in that described controller links to each other with a motor driver, the current output terminal of motor driver links to each other with motor, the clutch end of motor links to each other with the main shaft of draw-gear, and the main shaft of draw-gear links to each other with the feedback signal receiving terminal of controller by the feedback circuit of rotating speed.
4. the control system of a kind of extruder drawing-in device according to claim 1, the feedback circuit that it is characterized in that described rotating speed is provided with an encoder, the main shaft of encoder and drawing-in device is suitable, and the signal output part of encoder links to each other with the feedback signal receiving terminal of described controller.
5. the control system of a kind of extruder drawing-in device according to claim 4 is characterized in that described encoder is an incremental encoder.
6. the control system of a kind of extruder drawing-in device according to claim 5 is characterized in that described encoder is the photoelectricity incremental encoder.
7. according to claim 1 or 2 or 3 or 4 or the control system of 5 or 6 described a kind of extruder drawing-in devices, it is characterized in that described control panel comprises numeral input/program editing button, start button, manual switching button, pause button, above button links to each other with controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203027947U CN201300535Y (en) | 2008-11-14 | 2008-11-14 | Control system for feeding device of extrusion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203027947U CN201300535Y (en) | 2008-11-14 | 2008-11-14 | Control system for feeding device of extrusion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201300535Y true CN201300535Y (en) | 2009-09-02 |
Family
ID=41084154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203027947U Expired - Fee Related CN201300535Y (en) | 2008-11-14 | 2008-11-14 | Control system for feeding device of extrusion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201300535Y (en) |
-
2008
- 2008-11-14 CN CNU2008203027947U patent/CN201300535Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO HONGXUN SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NINGBO HONGXUN TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 315800 Ningbo, Beilun, Dagang District, No., No. five road, No. 88 Patentee after: Ningbo Hongxun Technology Co.,Ltd. Address before: 315800 Ningbo, Beilun, Dagang District, No., No. five road, No. 88 Patentee before: Ningbo Hongxun Technology Co., Ltd. |
|
| 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: 20090902 Termination date: 20171114 |