CN201464010U - Weight-loss type measurement control system - Google Patents
Weight-loss type measurement control system Download PDFInfo
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- CN201464010U CN201464010U CN2009200739747U CN200920073974U CN201464010U CN 201464010 U CN201464010 U CN 201464010U CN 2009200739747 U CN2009200739747 U CN 2009200739747U CN 200920073974 U CN200920073974 U CN 200920073974U CN 201464010 U CN201464010 U CN 201464010U
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- speed
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- weighing
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Abstract
The utility model discloses a weight-loss type measurement control system, comprising a weighting stock bin which is directly arranged at the material inlet of an extrusion machine for storing raw material to be metered; a weighting unit which is directly connected with the weighting stock bin for detecting the weight change of the raw material in the weighting stock bin; an extrusion primary motor speed measurement unit which is connected with the weighting unit and is arranged at the tail part of a screw rod of the extrusion machine for detecting the practical length of the screw rod of the extrusion machine; a pulling speed measurement unit which is arranged on a main driving motor of a forming device on a membrane production line or a pipe production line for detecting the practical pulling speed of the main driving motor of the forming device; a control unit which is connected with the pulling speed measurement unit and generates a running speed signal according to the set output; and an extrusion main motor speed control unit which is connected with the weighting stock bin for controlling the screw rod speed of the extrusion machine. The weight-loss type measurement control system can effectively solve the problem of constant quality of dynamic control products.
Description
Technical field
The utility model relates to a kind of measurement technology, particularly relates to a kind of weight-loss type Measurement and Control System.
Background technology
The extrusion system of plastic sheeting, tubing, blowing, sheet material and sheet material, because heating-up temperature, draping pressure and solid accumulation density constantly change, and directly cause and extrude output fluctuation, make film, tubing, blow-molded article, plastic sheet and slab products have the problem of following technology:
1, can't set up the relation of extruding motor speed and extruding flow fast, cause in the extrusion system boot running time longlyer, material waste is more.
2, in continuous flow procedure, can't detect the fluctuation of extruding output and change, make product integral thickness or weight to guarantee.
3, in actual production process, because overall weight can't guarantee that the general upper limit with goods overall weight setting national standard makes that raw materials cost increases.
The utility model content
The technical problems to be solved in the utility model is in order to overcome the defective of prior art, a kind of weight-loss type Measurement and Control System to be provided, and it solves the constant quality of dynamic control products problem effectively.
The utility model solves above-mentioned technical matters by following technical proposals: a kind of weight-loss type Measurement and Control System is characterized in that it comprises:
The feed bin of weighing, the feeding mouth that it is directly installed on an extruder is used for storing raw material to be measured; Weighing unit, it directly is connected with the feed bin of weighing, and is used to detect the weight change of the raw material in the feed bin of weighing;
Extrude the main motor unit that tests the speed, it is connected and is installed in extruder with weighing unit screw rod tail is used to detect the actual speed of extruder screw;
The haulage speed unit that tests the speed, it is installed on the main CD-ROM drive motor of shaped device of film line or pipe production line, is used for detecting the actual haulage speed of shaped device main drive roll;
Control module, it is connected with the haulage speed unit that tests the speed, and it produces running speed signal according to output of setting;
Extrude main motor speed control module, it is connected with the feed bin of weighing, and it is the screw speed that is used for controlling extruder.
Preferably, describedly extrude main motor speed control module and also be connected, and accept the running speed signal of control module with control module.
Positive progressive effect of the present utility model is:
1, can set up the relation of extruding motor speed and extruding flow fast, shorter in the extrusion system boot running time, the material waste is less.
2, in continuous flow procedure, detect the fluctuation of extruding output and change, and controlled, make product integral thickness or weight be guaranteed.
3, in actual production process, because overall weight can be guaranteed, the goods overall weight can be set in the lower limit of national standard, make raw materials cost reduce.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model based on the weight-loss type Measurement and Control System of output or flow control mode.
Fig. 2 is the synoptic diagram of the utility model based on the weight-loss type Measurement and Control System of the heavy control model of rice.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
The control model of weight-loss type Measurement and Control System comprises the heavy control model of output or flow control mode and rice, as shown in Figure 1, the control device of extruding of output or flow control mode is applied in plastics blow molding, sheet material and sheet material extrusion system, it utilizes the output control principle accurately to control and extrudes flow, and effective constant quality of dynamic control products problem that must solve, this is extruded control device and comprises the feed bin 1 of weighing, weighing unit 2, extrude the main motor unit 3 that tests the speed, the haulage speed unit 4 that tests the speed, control module 5 and extrude main motor speed control module 6, the feed bin 1 of weighing is directly installed on the feeding mouth of extruder, is used for storing raw material to be measured; Weighing unit 2 directly is connected with the feed bin 1 of weighing, and is used to detect the weigh weight change of raw material of 1 li of feed bin, i.e. extruder actual output flow; Extrude test the speed unit 3 and weighing unit 2 of main motor and be connected and be installed in the screw rod tail of extruder, be used to detect the actual speed of extruder screw; The haulage speed unit 4 that tests the speed is installed on the main CD-ROM drive motor of shaped device of film line or pipe production line, is used for detecting the actual haulage speed of shaped device main drive roll; Extruder master motor is used for driving extruder screw, goes out main motor speed control module 6 and is connected with the feed bin 1 of weighing, and extruding main motor speed control module 6 is to be used for controlling the extruder screw rotating speed.
The principle of work of extruding control device of output or flow control mode is: control module 5 and the haulage speed unit 4 that tests the speed, extruding main motor speed control module 6 connects, when control module 5 produces travelling speed rev/min signal according to output g/min that sets or Kg/hr, and travelling speed rev/min signal is given to extrudes main motor speed control module 6, extrusion system begins to provide required material for production line, simultaneously, control module 5 begins by weighing unit 2 and detects the variation of weigh feed bin 1 li material actual output g/min or Kg/hr based on the weight-loss type principle, control module 5 at the same time by extruding the main motor unit 3 that tests the speed, measure extruder master motor actual speed rev/min, control module 5 according to the output g/min of reality and actual speed rev/min and set between output g/min and the setting speed rev/min deviation ratio, the working point travelling speed rev/min that calculating makes new advances, constantly adjust and extrude main motor speed, to eliminate deviation.
The control device of extruding of the heavy control model of rice is applied in plastic sheeting, tubing is extruded the accurate control of the heavy control principle of processing technology utilization rice and is extruded flow, thereby effectively solve the constant problem of quality of dynamic control products, this is extruded control device and comprises the feed bin 1 of weighing, weighing unit 2, extrudes main motor test the speed unit 3, control module 5 and extrude main motor speed control module 6, the feed bin 1 of weighing is directly installed on the feeding mouth of extruder, is used for storing raw material to be measured; Weighing unit 2 directly is connected with the feed bin 1 of weighing, and is used to detect the weigh weight change of raw material of 1 li of feed bin, i.e. extruder actual output flow; Extrude main motor test the speed unit 3 with extrude the screw rod tail that main motor speed control module 6 is connected and is installed in extruder, be used to detect the actual speed of extruder screw; Extruder master motor is used for driving extruder screw, extrudes main motor speed control module 6 and is connected with the feed bin 1 of weighing, and extruding main motor speed control module 6 is to be used for controlling the extruder screw rotating speed.
The principle of work of extruding control device of the heavy control model of rice is: control module 5 and weighing unit 2, extruding main motor speed control module 6 connects, when the density of control module 5 according to heavy g/m of the rice of setting and material, calculate and extrude output g/min and travelling speed rev/min signal, travelling speed rev/min signal is given to extruder master motor speed unit 6, extrusion system begins to provide required material for production line, simultaneously, control module 5 begins by weighing unit 2 and detects the variation of weigh feed bin 1 li material actual output g/min or Kg/hr based on the weight-loss type principle, control module 5 at the same time by extruding the main motor unit 3 that tests the speed, measure extruder master motor actual speed rev/min and main haulage speed re/min, control module 5 is according to the output g/min and the actual motor speed rev/min and the actual haulage speed rev/min of extruding of reality, calculate actual g/m, and the deviation ratio between heavy g/m of setting rice and the setting speed rev/min, the working point travelling speed rev/min that calculating makes new advances, constantly adjust and extrude main motor speed, to eliminate deviation.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these embodiments.Therefore, protection domain of the present utility model is limited by appended claims.
Claims (2)
1. weight-loss type Measurement and Control System is characterized in that it comprises:
The feed bin of weighing, the feeding mouth that it is directly installed on an extruder is used for storing raw material to be measured;
Weighing unit, it directly is connected with the feed bin of weighing, and is used to detect the weight change of the raw material in the feed bin of weighing;
Extrude the main motor unit that tests the speed, it is connected and is installed in extruder with weighing unit screw rod tail is used to detect the actual speed of extruder screw;
The haulage speed unit that tests the speed, it is installed on the main CD-ROM drive motor of shaped device of film line or pipe production line, is used for detecting the actual haulage speed of shaped device main drive roll;
Control module, it is connected with the haulage speed unit that tests the speed, and it produces running speed signal according to output of setting;
Extrude main motor speed control module, it is connected with the feed bin of weighing, and it is the screw speed that is used for controlling extruder.
2. weight-loss type Measurement and Control System as claimed in claim 1 is characterized in that, describedly extrudes main motor speed control module and also is connected with control module, and accept the running speed signal of control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200739747U CN201464010U (en) | 2009-05-27 | 2009-05-27 | Weight-loss type measurement control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200739747U CN201464010U (en) | 2009-05-27 | 2009-05-27 | Weight-loss type measurement control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201464010U true CN201464010U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200739747U Expired - Fee Related CN201464010U (en) | 2009-05-27 | 2009-05-27 | Weight-loss type measurement control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201464010U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861530A (en) * | 2011-07-06 | 2013-01-09 | 上海松耐机械制造有限公司 | Liquid continuous weightlessness type metering mixing device |
| CN101898412B (en) * | 2009-05-27 | 2014-12-03 | 上海松耐机械制造有限公司 | Extrusion control device of weight-loss type measuring control system |
-
2009
- 2009-05-27 CN CN2009200739747U patent/CN201464010U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898412B (en) * | 2009-05-27 | 2014-12-03 | 上海松耐机械制造有限公司 | Extrusion control device of weight-loss type measuring control system |
| CN102861530A (en) * | 2011-07-06 | 2013-01-09 | 上海松耐机械制造有限公司 | Liquid continuous weightlessness type metering mixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: SHANGHAI SONNER MACHINERY CO., LTD. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20100527 |