CN205439160U - Injection molding machine feed cylinder temperature measurement and control system - Google Patents
Injection molding machine feed cylinder temperature measurement and control system Download PDFInfo
- Publication number
- CN205439160U CN205439160U CN201620277091.8U CN201620277091U CN205439160U CN 205439160 U CN205439160 U CN 205439160U CN 201620277091 U CN201620277091 U CN 201620277091U CN 205439160 U CN205439160 U CN 205439160U
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- China
- Prior art keywords
- heating
- section
- thermocouple
- temperature
- material tube
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- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides an injection molding machine feed cylinder temperature measurement and control system, is including locating the thermocouple that is used for feed cylinder temperature measurement that is used for the section of heating that the feed cylinder heated and corresponds on the feed cylinder with the section of heating, a temperature transmitter is connected to the thermocouple, temperature transmitter is connected to the industry control computer through the input daughter board, the output of output terminal board is crossed through the digital output cartoon to the industry control computer to the drive is connected to the solid state relay of output terminal board, solid state relay is connected to the respectively section of heating. The utility model discloses effectively solve the control difficult problem of injection molding machine feed cylinder temperature, gained good control effect.
Description
Technical field
This utility model relates to a kind of injecting machine material tube, further, relates to a kind of injecting machine material tube temperature TT&C system.
Background technology
In the injection moulding process of plastic, the temperature of melt is an important parameter, and melt temperature determines the shear heat between temperature and charging basket inner screw and the molten plastic of barrel.At present, domestic injection machine, owing to mostly using moving-coil type temperature controller, controls heating collar break-make with relay switch and controls barrel heating-up temperature, and the quality factor of heating system is undesirable.Under cold conditions operating mode, overshoot is big, and response time is longer, and concussion substantially occurs in process；Under hot operating mode, temperature fluctuation range is big, regulates the speed slow, and detection and control accuracy the highest, the most also because reliability is poor, response speed slow, adjust difficulty and be difficult to meet the requirement of molding precise product.
Utility model content
The purpose of this utility model is to provide a kind of injecting machine material tube temperature TT&C system.
Technical solutions of the utility model are: a kind of injecting machine material tube temperature TT&C system, including the section of heating heated for barrel being located on barrel, and the thermocouple for barrel temperature measured corresponding with the section of heating；Described thermocouple connects a temperature transmitter, described temperature transmitter is connected to industrial control microcomputer by input end daughter board, described industrial control microcomputer is exported by output terminal board through digital output card, to drive the solid-state relay being connected to output terminal board, described solid-state relay is connected to the respectively section of heating.
In described a kind of injecting machine material tube temperature TT&C system, the described section of heating includes the nozzle section of heating being located at nozzle, and the leading portion section of heating, the stage casing section of heating and the back segment section of heating being sequentially arranged on barrel.
In described a kind of injecting machine material tube temperature TT&C system, the described nozzle section of heating power is 200W, and the leading portion section of heating power is 2200W, and the stage casing section of heating is 1100W, and the back segment section of heating is 1600W.
In described a kind of injecting machine material tube temperature TT&C system, described thermocouple includes first thermocouple corresponding with the above-mentioned respectively section of heating, the second thermocouple, three thermocouple, the 4th thermocouple.
In described a kind of injecting machine material tube temperature TT&C system, described temperature transmitter is connected to the analog acquisition card of industrial control microcomputer by input end daughter board, and this analog acquisition card is for carrying out A/D conversion by temperature analog signal.
In described a kind of injecting machine material tube temperature TT&C system, described analog acquisition card uses and grinds China's PCL-812PG data collecting card.
In described a kind of injecting machine material tube temperature TT&C system, described industrial control microcomputer is provided with digital output card, and digital output card connects solid-state relay by output terminal board.
A kind of injecting machine material tube temperature TT&C system involved by this utility model, compared with prior art, efficiently solves a control difficult problem for injecting machine material tube temperature, achieves and well control effect.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
In figure, barrel 1, the section of heating 2, the nozzle section of heating 21, the leading portion section of heating 22, the stage casing section of heating 23, the back segment section of heating 24, nozzle 3, thermocouple 4, the first thermocouple 41, the second thermocouple 42, three thermocouple 43,4th thermocouple 44, temperature transmitter 5, input end daughter board 6, industrial control microcomputer 7, digital output card 71, analog acquisition card 72, hopper 8, output terminal board 9, solid-state relay 10, fastp-acting fuse 11.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by detailed description below, to be more clearly understood that the above and other objects, features and advantages of the invention.Hereinafter, the preferred embodiment of the invention will be described in detail with reference to the accompanying drawings.
As it is shown in figure 1, a kind of injecting machine material tube 1 temperature control system in the invention preferred embodiment, including the section of heating 2 heated for barrel 1 being located on barrel 1 with for the thermometric thermocouple of barrel 14；
The described section of heating 2 includes nozzle 3 section of heating 21 being located at nozzle 3, and the leading portion section of heating 22, the stage casing section of heating 23 and the back segment section of heating 24 being sequentially arranged on barrel 1；
Herein, described nozzle 3 section of heating 21 power is 200W, and the leading portion section of heating 22 power is 2200W, and the stage casing section of heating 23 is 1100W, and the back segment section of heating 24 is 1600W.
Described thermocouple 4 uses K-type thermocouple 4, and its range is 0-400 DEG C, including first thermocouple 41 corresponding with the above-mentioned respectively section of heating 2, the second thermocouple 42, three thermocouple 43, the 4th thermocouple 44.
Described thermocouple 4 connects a temperature transmitter 5, the voltage signal of this temperature transmitter 5 David, millivolt signal side 1-5V for recording；
Described temperature transmitter 5 is connected to the analog acquisition card 72 of industrial control microcomputer 7 by input end daughter board 6, and this analog acquisition card 72 is for carrying out A/D conversion by temperature analog signal；Analog acquisition card 72 described herein uses and grinds China's PCL-812PG data collecting card；
The described industrial control microcomputer 7 said temperature analogue signal after reading in A/D conversion calculates, and makees mathematics Filtering Processing, to prevent external interference, improves certainty of measurement；It is simultaneously emitted by logical segment signal.
The logical segment signal that above-mentioned industrial control microcomputer 7 sends is exported by output terminal board 9 through digital output card 71, to drive the solid-state relay 10 being connected to output terminal board 9, then control solid-state relay 10 to reach the purpose of ratio control heating collar heating power through optical coupling effect.Herein, described digital output card 71 uses PCL-734 isolated form digital output card 71.
Described solid-state relay 10 is connected to the respectively section of heating 2, described in the section of heating 2 be also associated with fastp-acting fuse 11 with solid-state relay 10.
Although the preferred embodiment of the invention is disclosed for illustrative purpose, but those skilled in the art is to be understood that, on the premise of the scope and spirit created without departing substantially from appended claims present invention disclosed, various amendments, to increase and alter be all possible, be to be noted that without departing substantially from the above-mentioned various amendments on the premise of the invention scope and spirit, increase and alter and all should contain within the scope of authority of the invention.
Claims (7)
1. an injecting machine material tube temperature TT&C system, it is characterised in that include the section of heating heated for barrel being located on barrel, and the thermocouple for barrel temperature measured corresponding with the section of heating；Described thermocouple connects a temperature transmitter, described temperature transmitter is connected to industrial control microcomputer by input end daughter board, described industrial control microcomputer is exported by output terminal board through digital output card, to drive the solid-state relay being connected to output terminal board, described solid-state relay is connected to the respectively section of heating.
2. a kind of injecting machine material tube temperature TT&C system as claimed in claim 1, it is characterised in that the described section of heating includes the nozzle section of heating being located at nozzle, and the leading portion section of heating, the stage casing section of heating and the back segment section of heating being sequentially arranged on barrel.
3. a kind of injecting machine material tube temperature TT&C system as claimed in claim 2, it is characterised in that the described nozzle section of heating power is 200W, and the leading portion section of heating power is 2200W, and the stage casing section of heating is 1100W, and the back segment section of heating is 1600W.
4. a kind of injecting machine material tube temperature TT&C system as claimed in claim 2, it is characterised in that described thermocouple includes first thermocouple corresponding with the above-mentioned respectively section of heating, the second thermocouple, three thermocouple, the 4th thermocouple.
5. a kind of injecting machine material tube temperature TT&C system as claimed in claim 1, it is characterised in that described temperature transmitter is connected to the analog acquisition card of industrial control microcomputer by input end daughter board, and this analog acquisition card is for carrying out A/D conversion by temperature analog signal.
6. a kind of injecting machine material tube temperature TT&C system as claimed in claim 5, it is characterised in that described analog acquisition card uses and grinds China's PCL-812PG data collecting card.
7. a kind of injecting machine material tube temperature TT&C system as claimed in claim 1, it is characterised in that described industrial control microcomputer is provided with digital output card, and digital output card connects solid-state relay by output terminal board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620277091.8U CN205439160U (en) | 2016-04-06 | 2016-04-06 | Injection molding machine feed cylinder temperature measurement and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620277091.8U CN205439160U (en) | 2016-04-06 | 2016-04-06 | Injection molding machine feed cylinder temperature measurement and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205439160U true CN205439160U (en) | 2016-08-10 |
Family
ID=56606128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620277091.8U Expired - Fee Related CN205439160U (en) | 2016-04-06 | 2016-04-06 | Injection molding machine feed cylinder temperature measurement and control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205439160U (en) |
-
2016
- 2016-04-06 CN CN201620277091.8U patent/CN205439160U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20180406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |