CN208576159U - A kind of injection molding machine heating system for plastic grain - Google Patents
A kind of injection molding machine heating system for plastic grain Download PDFInfo
- Publication number
- CN208576159U CN208576159U CN201820443300.0U CN201820443300U CN208576159U CN 208576159 U CN208576159 U CN 208576159U CN 201820443300 U CN201820443300 U CN 201820443300U CN 208576159 U CN208576159 U CN 208576159U
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- China
- Prior art keywords
- barrel
- injection molding
- molding machine
- control module
- heating system
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Abstract
The utility model discloses a kind of injection molding machine heating system for plastic grain, including heat block, barrel, it is characterized in that, further include control module, temperature sensor, relay, the temperature sensor thermometric end be arranged in barrel, output end is connected with the information input terminal of control module;The control output end of the control module is connected with the relay;The relay is connect with the heat block, and the heat block is arranged in barrel, and the heat block is multiple.Technical solution provided by the utility model can be improved the control precision of injection molding machine heating temperature, improve temperature controlled continuity and stability, improve the production efficiency of injection molding machine thermo forming.
Description
Technical field
The present invention relates to injection molding machine computer heating control field, specially a kind of injection molding machine heating system for plastic grain.
Background technique
Injection molding machine be the thermoplastic of melting or thermosetting plastics are made using mould for plastics it is of various shapes
The main molding equipment of plastic products is the maximum process equipment of usage amount in plastic processing industry.It is carried out using injection molding machine
When plastic thermoforming is processed, due to equipment composed structure, equipment heat temperature raising is very slow, occupies in process
Longer time significantly limits the production efficiency of injection molding machine thermo forming.Current injection molding machine heating system, including electricity
Heated filament, electrical bar and electromagnetic heating, but all there is characteristic of the control object with respect to purely retarded in these heating systems, it is easy to occur
Hyperharmonic wave phenomenon.Therefore in the prior art, common heating control system of injection molding machine lacks online communication control function, in temperature
There are difficulty in the accurate continuous control of degree.
Utility model content
In view of this, the present invention provides a kind of injection molding machine heating systems for plastic grain.The utility model mentions
The technical solution of confession can be improved the control precision of injection molding machine heating temperature, improves temperature controlled continuity and stability, mentions
The production efficiency of high injection molding machine thermo forming.
In order to solve the above technical problems, the technical solution of the utility model is using a kind of injection molding machine for plastic grain
Heating system, including heat block, barrel, which is characterized in that further include control module, temperature sensor, relay, the temperature
The thermometric end of sensor is arranged in barrel, and output end is connected with the information input terminal of control module;The control of the control module
Output end processed is connected with the relay;The relay is connect with the heat block, and the heat block is arranged in barrel, institute
It is multiple for stating heat block.
Preferably, the barrel includes interior barrel, outer barrel and feeding spiro rod, and the outer barrel is arranged outside interior barrel
Portion, the feeding spiro rod are arranged inside interior barrel.
Preferably, thermovent is additionally provided in the outer cartridge wall.
Preferably, the heat block is arranged between interior barrel and outer barrel, and heating wire is arranged inside the heat block.
Preferably, the injection molding machine heating system further includes upper unit, the input terminal and control mould of the upper unit
The communication output of block connects, and the output end of the upper unit and the communication receiver of control module connect.
Preferably, conditioning circuit is equipped in the control module, the conditioning circuit is used to remove the electricity of the thermocouple
The interference being had in pressure signal.
More preferably, electrostatic discharge protective circuit is equipped in the control module, the electrostatic discharge protective circuit is quiet for preventing
Chip in control module described in electrical breakdown.
It is warm in real time that the utility model by temperature sensor, control module, relay, heat block constitutes a closed loop
Control system is spent, the voltage value that control module is obtained by 24 AD conversion chips, conversion temperature sensor utilizes pid algorithm
Temperature deviation is converted into control instruction, the switch time of heat block is controlled by relay, is realized to the accurate of barrel temperature
Stability contorting.Voltage sample is accurate, and temperature computation is accurate.And control module is also connect with upper unit, facilitates upper machine examination
It surveys, control, it is anti-interference, versatile.
Detailed description of the invention
Fig. 1, the utility model device figure
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, below with reference to specific implementation
The utility model is described in further detail for mode.
As shown in Figure 1, the utility model includes: control module 1, relay 2, temperature sensor 3, outer barrel 4, interior barrel
5, heat block 6, feeding spiro rod 7, thermovent 8.
The thermometric end of temperature sensor 3 is arranged 4 in barrel, and output end is connected with the information input terminal of control module 1;Control
The control output end of molding block is connected with relay 2;Relay is connect with heat block 6, and heat block setting is in interior barrel 5 and outer material
Between cylinder 4, heat block is multiple, setting heating wire inside heat block.Barrel includes interior barrel 5, outer barrel 4 and feeding spiro rod 7,
Feeding spiro rod is arranged inside interior barrel.Thermovent 8 is additionally provided in outer cartridge wall.The input of upper unit (not shown)
End is connect with the communication output of control module, and the output end of upper unit and the communication receiver of control module connect.Control
Conditioning circuit and electrostatic discharge protective circuit are additionally provided in module, conditioning circuit is used to remove to be had in the voltage signal of the thermocouple
Interference, electrostatic discharge protective circuit is used to prevent chip in control module described in electrostatic breakdown.
The temperature sensor of the utility model is thermocouple temperature sensor, and the thermometric end of temperature sensor is placed in barrel
Interior, information output is connected with the input terminal of control module, is used for temperature acquisition, in order to realize accurately adopting to temperature signal
Sample, control module can be used 24 bit AD sample chips and accurately sampled to temperature.The voltage signal of thermocouple temperature sensor
It is differential signal, needs for voltage signal to be biased to sample range to be able to achieve accurate sample, under complicated industrial environment
The electrostatic protection of sampling end also seems increasingly important, therefore control module is equipped in the voltage signal for removing the thermocouple
The conditioning circuit for the interference having, the electrostatic discharge protective circuit for preventing the chip in control module described in electrostatic breakdown.Control
Module using setting value and sampled value operation, i.e., system by the temperature sampled with set target temperature subtract each other to obtain temperature it is inclined
Difference, and temperature deviation is converted into heating wire switch time using pid algorithm, by the effect of relay, realize to barrel temperature
The precise and stable control of degree.It is the heating wire equidistantly arranged inside each heat block to be connected in parallel between several heat blocks.
Control module realizes the communication between host computer by communication line, establishes communication real-time Transmission temperature data to host computer,
Host computer can realize the remote real_time control to scene.
It is warm in real time that the utility model by temperature sensor, control module, relay, heat block constitutes a closed loop
Control system is spent, the voltage value that control module is obtained by 24 AD conversion chips, conversion temperature sensor utilizes pid algorithm
Temperature deviation is converted into control instruction, the switch time of heat block is controlled by relay, is realized to the accurate of barrel temperature
Stability contorting.Voltage sample is accurate, and temperature computation is accurate.And control module is also connect with upper unit, facilitates upper machine examination
It surveys, control, it is anti-interference, versatile.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of injection molding machine heating system for plastic grain, including heat block, barrel, which is characterized in that further include control
Module, temperature sensor, relay, the temperature sensor thermometric end be arranged in barrel, output end and control module
Information input terminal is connected;The control output end of the control module is connected with the relay;The relay and the heating
Block connection, the heat block are arranged in barrel, and the heat block is multiple.
2. the injection molding machine heating system according to claim 1 for plastic grain, which is characterized in that the barrel includes
Interior barrel, outer barrel and feeding spiro rod, the outer barrel are arranged outside interior barrel, and the feeding spiro rod is arranged in interior barrel
Portion.
3. the injection molding machine heating system according to claim 2 for plastic grain, which is characterized in that the outer cartridge wall
On be additionally provided with thermovent.
4. the injection molding machine heating system according to claim 1 for plastic grain, which is characterized in that the heat block is set
It sets between interior barrel and outer barrel, heating wire is set inside the heat block.
5. the injection molding machine heating system according to claim 1 for plastic grain, which is characterized in that further include host computer
Group, the input terminal of the upper unit and the communication output of control module connect, the output end of the upper unit and control
The communication receiver of module connects.
6. the injection molding machine heating system according to claim 1 for plastic grain, which is characterized in that the control module
Interior to be equipped with conditioning circuit, the conditioning circuit is used to remove the interference having in the voltage signal of the temperature sensor.
7. the injection molding machine heating system according to claim 1 for plastic grain, which is characterized in that the control module
Interior to be equipped with electrostatic discharge protective circuit, the electrostatic discharge protective circuit is used to prevent the chip in control module described in electrostatic breakdown.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820443300.0U CN208576159U (en) | 2018-03-29 | 2018-03-29 | A kind of injection molding machine heating system for plastic grain |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820443300.0U CN208576159U (en) | 2018-03-29 | 2018-03-29 | A kind of injection molding machine heating system for plastic grain |
Publications (1)
Publication Number | Publication Date |
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CN208576159U true CN208576159U (en) | 2019-03-05 |
Family
ID=65502988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820443300.0U Expired - Fee Related CN208576159U (en) | 2018-03-29 | 2018-03-29 | A kind of injection molding machine heating system for plastic grain |
Country Status (1)
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CN (1) | CN208576159U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111469351A (en) * | 2020-04-22 | 2020-07-31 | 深圳市庆丰电子有限公司 | Injection molding system and injection molding process for anti-interference set top box shell |
-
2018
- 2018-03-29 CN CN201820443300.0U patent/CN208576159U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111469351A (en) * | 2020-04-22 | 2020-07-31 | 深圳市庆丰电子有限公司 | Injection molding system and injection molding process for anti-interference set top box shell |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
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: 20190305 Termination date: 20210329 |