CN202399505U - Electrical control device for plastic sheet extruder - Google Patents
Electrical control device for plastic sheet extruder Download PDFInfo
- Publication number
- CN202399505U CN202399505U CN2011205602080U CN201120560208U CN202399505U CN 202399505 U CN202399505 U CN 202399505U CN 2011205602080 U CN2011205602080 U CN 2011205602080U CN 201120560208 U CN201120560208 U CN 201120560208U CN 202399505 U CN202399505 U CN 202399505U
- Authority
- CN
- China
- Prior art keywords
- electrical control
- programmable logic
- logic controller
- frequency converter
- 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
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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
- B29C2948/92009—Measured parameter
- B29C2948/92019—Pressure
-
- 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
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
-
- 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
- B29C2948/92323—Location or phase of measurement
- B29C2948/92361—Extrusion unit
- B29C2948/9238—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/924—Barrel or housing
-
- 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
- B29C2948/92514—Pressure
-
- 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
- B29C2948/92704—Temperature
-
- 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
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an electrical control device for a plastic sheet extruder and mainly relates to a plastic electrical control technology, in particular to the technical field of the electrical control device for the plastic sheet extruder. The electrical control device comprises a programmable controller, a touch screen, a host DC (Direct Current) speed regulating device, a gear pump frequency converter, a three-roller frequency converter, a traction frequency converter, a thermocouple, a pressure sensor and a temperature control module; a communication port of the programmable controller is connected with the touch screen by a RS232; one group of input end and output end of the programmable controller is connected with the host DC speed regulating device and the pressure sensor; the other group of input end and output end of the programmable controller is connected with the thermocouple and the temperature control module; and the programmable controller is connected with the gear pump frequency converter, the three-roller frequency converter and the traction frequency converter by CC-Link buses. The closed-loop control is formed by the programmable controller, the host DC speed regulating device and the pressure sensor by adopting an internal PID (Proportion Integration Differentiation) command. The electrical control device has the advantages that the electrical control device has high control accuracy and is convenient to operate and use; the extrusion pressure can be ensured stable; an extruded sheet has a uniform thickness; and a control system is convenient to maintain.
Description
Technical field
The utility model relates to the plastics machinery Electrical Control Technology, relates in particular to a kind of technical field of plastic sheet extruder electrical control gear.
Background technology
The most of thermometric instrument that adopts of the electrical control gear of conventional plastic sheet extruder is controlled, and through the given frequency converter signal of potentiometer, on-the-spot logic control realizes through the logic control of relay; The shortcoming of this kind electrical control gear is: control loop is comparatively complicated, and distribution is various, the breakdown maintenance difficulty; And can only realize single-set operation, lack abundant man-machine interface, parameter inconvenience is preserved; What the electrical control of plastic sheet extruder was adopted simultaneously is open loop control; Extrusion pressure control is unstable, causes extrusion sheet in uneven thickness easily, and the plastic sheet quality can't be guaranteed.
Summary of the invention
The purpose of the utility model is: the shortcoming to above-mentioned prior art exists, a kind of plastic sheet extruder electrical control gear is proposed, and can effectively solve the problem that exists in the conventional plastic sheet extruder electrical control gear; Realize the closed-loop control of main frame direct current speeder through the PID control of pressure sensor and Programmable Logic Controller; Control accuracy is high, and the control system maintenance is convenient, realizes operations such as human-computer dialogue, parameter are provided with through touch-screen simultaneously; Can preserve technological parameter easily; The extrusion pressure that has guaranteed the plastic sheet extruder is stable, and extrusion sheet thickness is even, has improved the quality of extrusion sheet.
A kind of plastic sheet extruder electrical control gear comprises Programmable Logic Controller, touch-screen, main frame direct current speeder, gear pump converter plant, three roller converter plants, traction converter plant, thermocouple, pressure sensor, temperature control module; The PORT COM of Programmable Logic Controller is connected with touch-screen through RS232; One group of input, the output of Programmable Logic Controller are connected with main frame direct current speeder, pressure sensor; Another group input of Programmable Logic Controller, output are connected with thermocouple, temperature control module, and Programmable Logic Controller is connected with gear pump converter plant, three roller converter plants, traction converter plant through the CC-Link bus.
The Programmable Logic Controller of the utility model adopts inner PID instruction to make Programmable Logic Controller, main frame direct current speeder, pressure sensor constitute closed-loop control.
During the utility model work: temperature and the force value of at first setting the plastic sheet extruder through touch-screen; Thermocouple begins to measure the temperature of each subregion test point simultaneously; And measured value imported the input of Programmable Logic Controller; Programmable Logic Controller is compared the measured temperature that collects and carried out temperature with setting value PID control through output control temperature control module, thereby reaches the accurately purpose of control of temperature; Meanwhile measure the extrusion pressure value of plastic sheet extruder through pressure sensor; Programmable Logic Controller is compared the pressure measuring value that collects and carried out extrusion pressure with setting value PID control; Through output main control system direct current speeder; When being lower than setting pressure, through calculating the rotating speed of automatic raising main frame direct current speeder; When being higher than setting pressure, through calculating the rotating speed of automatic reduction main frame direct current speeder, and bring in the running state parameter of monitoring host computer direct current speeder rotating speed, form closed-loop control through input; Programmable Logic Controller is realized the synchronous variable-speed of gear pump converter plant, three roller converter plants, traction converter plant through the CC-Link bus simultaneously.
The utlity model has the control accuracy height, easy for operation, can guarantee that the extrusion pressure of plastic sheet extruder is stable, extrusion sheet thickness is even, and the control system maintenance is advantage easily.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Wherein: 1, Programmable Logic Controller; 2, touch-screen; 3, main frame direct current speeder; 4, gear pump converter plant; 5, three roller converter plants; 6, traction converter plant; 7, thermocouple; 8, pressure sensor; 9, temperature control module.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation.
As shown in Figure 1; A kind of plastic sheet extruder electrical control gear; Comprise Programmable Logic Controller 1, touch-screen 2, main frame direct current speeder 3, gear pump converter plant 4, three roller converter plants 5, traction converter plant 6, thermocouple 7, pressure sensor 8, temperature control module 9; The PORT COM of Programmable Logic Controller 1 is connected with touch-screen 2 through RS232; One group of input, the output of Programmable Logic Controller 1 are connected with main frame direct current speeder 3, pressure sensor 8; Another group input, output of Programmable Logic Controller 1 are connected with thermocouple 7, temperature control module 9, Programmable Logic Controller 1 through CC-Link bus and gear pump converter plant 4, three roller converter plants 5, draw converter plant 6 and be connected.
The Programmable Logic Controller 1 of the utility model adopts inner PID instruction to make Programmable Logic Controller 1, main frame direct current speeder 3, pressure sensor 8 constitute closed-loop control.
During the utility model work: temperature and the force value of at first setting the plastic sheet extruder through touch-screen 2; Thermocouple 7 is measured the temperature of each subregion test point simultaneously; And measured value imported the input of Programmable Logic Controller 1; Control 1 able to programme is compared the measured temperature of gathering and carried out temperature with setting value PID control through output control temperature control module 9, thereby reaches the accurately purpose of control of temperature; Meanwhile measure the extrusion pressure value of plastic sheet extruder through pressure sensor 8; Programmable Logic Controller 1 is compared the pressure measuring value that collects and carried out pressure with setting value PID control; Through output main control system direct current speeder 3, when being lower than setting pressure, through calculating the rotating speed of automatic raising main frame direct current speeder 3; When being higher than setting pressure; Through calculating the rotating speed of automatic reduction main frame direct current speeder 3, and bring in the running state parameter of monitoring host computer direct current speeder 3 rotating speeds, form closed-loop control through input; Simultaneously Programmable Logic Controller 1 is realized the synchronous variable-speed of gear pump converter plant 4, three roller converter plants 5, traction converter plant 6 through the CC-Link bus.
The utlity model has the control accuracy height, easy for operation, can guarantee that the extrusion pressure of plastic sheet extruder is stable, extrusion sheet thickness is even, and the control system maintenance is advantage easily.
Claims (2)
1. a plastic sheet extruder electrical control gear comprises Programmable Logic Controller, touch-screen, main frame direct current speeder, gear pump converter plant, three roller converter plants, traction converter plant, thermocouple, pressure sensor, temperature control module; The PORT COM of Programmable Logic Controller is connected with touch-screen through RS232; One group of input, the output of Programmable Logic Controller are connected with main frame direct current speeder, pressure sensor, and another group input of Programmable Logic Controller, output are connected with thermocouple, temperature control module; Programmable Logic Controller is connected with gear pump converter plant, three roller converter plants, traction converter plant through the CC-Link bus.
2. a kind of plastic sheet extruder electrical control gear according to claim 1 is characterized in that above-mentioned Programmable Logic Controller adopts inner PID instruction to make Programmable Logic Controller, main frame direct current speeder, pressure sensor constitute closed-loop control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205602080U CN202399505U (en) | 2011-12-29 | 2011-12-29 | Electrical control device for plastic sheet extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205602080U CN202399505U (en) | 2011-12-29 | 2011-12-29 | Electrical control device for plastic sheet extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202399505U true CN202399505U (en) | 2012-08-29 |
Family
ID=46697179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205602080U Expired - Fee Related CN202399505U (en) | 2011-12-29 | 2011-12-29 | Electrical control device for plastic sheet extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202399505U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990907A (en) * | 2012-11-16 | 2013-03-27 | 中达电通股份有限公司 | Control system of plastic sheet production equipment |
| CN106956419A (en) * | 2017-04-06 | 2017-07-18 | 广州市香港科大霍英东研究院 | A kind of method and system of extruding production line Collaborative Control |
| CN107957844A (en) * | 2016-10-18 | 2018-04-24 | 莱芬豪舍机械制造两合公司 | The method and apparatus control quickly navigated in user interface and the method and apparatus from thermoplastic materials manufacture product |
| CN110456841A (en) * | 2019-08-01 | 2019-11-15 | 南通理工学院 | A kind of realization FDM wire rod extruder temperature precision control method |
-
2011
- 2011-12-29 CN CN2011205602080U patent/CN202399505U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990907A (en) * | 2012-11-16 | 2013-03-27 | 中达电通股份有限公司 | Control system of plastic sheet production equipment |
| CN102990907B (en) * | 2012-11-16 | 2015-03-11 | 中达电通股份有限公司 | Control system of plastic sheet production equipment |
| CN107957844A (en) * | 2016-10-18 | 2018-04-24 | 莱芬豪舍机械制造两合公司 | The method and apparatus control quickly navigated in user interface and the method and apparatus from thermoplastic materials manufacture product |
| CN106956419A (en) * | 2017-04-06 | 2017-07-18 | 广州市香港科大霍英东研究院 | A kind of method and system of extruding production line Collaborative Control |
| CN110456841A (en) * | 2019-08-01 | 2019-11-15 | 南通理工学院 | A kind of realization FDM wire rod extruder temperature precision control method |
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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 | ||
| CP03 | Change of name, title or address |
Address after: Jiangning Development Zone in Nanjing City, Jiangsu province 211153 Evergreen Street No. 32 Patentee after: China Shipbuilding Heavy Industries (Nanjing) Molding Technology Co., Ltd. Address before: Shuige Development Zone of Jiangning city Nanjing road 211106 Jiangsu Changqing street, No. 32 Patentee before: Nanjing Pengli Science & Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20201229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |