CN201300533Y - Control system for draught device of extrusion machine - Google Patents
Control system for draught device of extrusion machine Download PDFInfo
- Publication number
- CN201300533Y CN201300533Y CNU2008203027913U CN200820302791U CN201300533Y CN 201300533 Y CN201300533 Y CN 201300533Y CN U2008203027913 U CNU2008203027913 U CN U2008203027913U CN 200820302791 U CN200820302791 U CN 200820302791U CN 201300533 Y CN201300533 Y CN 201300533Y
- 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 - Lifetime
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Classifications
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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
- 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
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
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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
- B29C2948/92933—Conveying, transporting or storage of articles
-
- 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 draught 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 draught device, and the main shaft of the draught 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 draught 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 draught device and ensuring accuracy, uniformity and timely adjustment of the drawing speed of the draught device. The controller is the one used by the extrusion machine, thus the drawing speed of the draught device can be synchronous with the extrusion speed of the extrusion machine with the coordination of the controller.
Description
Technical field
The utility model relates to a kind of extruder, especially relates to a kind of control system of extruder traction 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.And draw-gear (hauling machine) is one of very common aborning auxiliary device of extruder, he is mainly used at the plastic product that has squeezed machine production line shape, strip, the product of extruding is advanced to draw,, also help the maintenance of shape of product so that product is cut, puts in order.The hauling speed of traditional draw-gear is independent of extruder and controls, like this, on the synchronism of the extruded velocity of the hauling speed of draw-gear and extruder, be difficult to be guaranteed, all very big influence can be arranged on this cutting, arrangement and the maintenance shape of product product.At present purpose is to reach the record that control system that the synchronism of extruder and draw-gear requires is not seen any file yet.Simultaneously, the stable of the hauling speed of draw-gear accurately also is worth us further to explore.
Summary of the invention
The utility model mainly is to solve on the synchronism of extruded velocity of the hauling speed of existing in prior technology draw-gear and extruder to be difficult to be guaranteed, make on cutting, arrangement and the maintenance shape of product of product very big influence is all arranged, stable, the degree of accuracy is not enough etc. the technical problem that also have the hauling speed of draw-gear simultaneously, provide a kind of velocity-stabilization, accuracy height, simultaneously with the control system of the good draw-gear of the extruded velocity synchronism of extruder.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of control system of extruder traction 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 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.Again because described controller and the same controller of extruder, the hauling speed of tractor can be under the coordination of controller, and the extruded velocity that reaches with extruder reaches synchronous.
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 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 feedback circuit of described rotating speed is provided with an encoder, and the main shaft of encoder and draw-gear 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 have just in time been satisfied in the function of draw-gear.
As preferably, described encoder is the 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 draw-gear, and rotation time is manual or automatic etc.
The beneficial effect that brings of the present utility model is, velocity-stabilization, accuracy height are simultaneously good with the extruded velocity synchronism of extruder.
Therefore, the utlity model has characteristics such as rational in infrastructure, simple 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 traction 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 draw-gear, and the main shaft of draw-gear 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 draw-gear rotates, the tach signal that the main shaft of draw-gear rotates is given controller by encoder feedback again, the velocity deviation of rotating by the main shaft that calculates draw-gear after the controller received signal, and by the control motor driver rotating speed of motor is regulated.Because draw-gear and extrusion screw rod, drawing-in device are same controller, their control signal and feedback signal can be carried out interrelated and be calculated, and coordinate mutually to reach in several device busies.
So the utility model has realized that the hauling speed of draw-gear is accurate more, even, it is more timely to regulate.And coordinate with can reaching mutually between the main equipment of extruder.
Claims (7)
1. the control system of an extruder traction 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 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.
2. the control system of a kind of extruder traction 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 traction 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 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.
4. the control system of a kind of extruder traction 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 draw-gear 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 traction device according to claim 4 is characterized in that described encoder is an incremental encoder.
6. the control system of a kind of extruder traction device according to claim 5 is characterized in that described encoder is the photoelectricity incremental encoder.
7. according to the control system of claim 1 or 2 or 3 or 4 or 5 or 6 described a kind of extruder traction 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 |
|---|---|---|---|
| CNU2008203027913U CN201300533Y (en) | 2008-11-14 | 2008-11-14 | Control system for draught device of extrusion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203027913U CN201300533Y (en) | 2008-11-14 | 2008-11-14 | Control system for draught device of extrusion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201300533Y true CN201300533Y (en) | 2009-09-02 |
Family
ID=41084152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203027913U Expired - Lifetime CN201300533Y (en) | 2008-11-14 | 2008-11-14 | Control system for draught device of extrusion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201300533Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878968A (en) * | 2014-04-01 | 2014-06-25 | 柏力开米复合塑料(昆山)有限公司 | Plastic production line |
-
2008
- 2008-11-14 CN CNU2008203027913U patent/CN201300533Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878968A (en) * | 2014-04-01 | 2014-06-25 | 柏力开米复合塑料(昆山)有限公司 | Plastic production line |
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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 | ||
| 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. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090902 |
|
| CX01 | Expiry of patent term |