CN115091714A - Desiccator based on injection molding machine control system accuse temperature - Google Patents
Desiccator based on injection molding machine control system accuse temperature Download PDFInfo
- Publication number
- CN115091714A CN115091714A CN202210621441.8A CN202210621441A CN115091714A CN 115091714 A CN115091714 A CN 115091714A CN 202210621441 A CN202210621441 A CN 202210621441A CN 115091714 A CN115091714 A CN 115091714A
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- Prior art keywords
- injection molding
- dryer
- molding machine
- control system
- temperature
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 67
- 238000001035 drying Methods 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 238000007602 hot air drying Methods 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 7
- 238000010981 drying operation Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C2045/0096—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor drying the moulding material before injection, e.g. by heating
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a dryer based on temperature control of an injection molding machine control system, which comprises an injection molding machine and a dryer arranged on the injection molding machine, wherein the dryer comprises a cylinder, a thermocouple, a heating device, a blowing device, a discharging device and an exhaust device, the injection molding machine comprises an injection molding control system assembly, the injection molding control system assembly is integrated with a drying control program, the drying control program controls the operation and the stop of a starting loop of the dryer according to injection molding requirements, the thermocouple reads raw material temperature data, and the starting blowing device is triggered to carry out hot air drying on the raw material in the cylinder, and the dryer has the advantages that the parameter setting and the picture monitoring of the dryer can be directly carried out on an injection molding machine operation panel, the operation height is usually kept below 1.6M, no ascending operation risk exists, and the operation is safe; the energy saving aspect is greatly improved; the related cost of the dryer can be saved, the whole volume of the dryer is reduced, the mechanical design is optimized, and the convenience of equipment installation is improved.
Description
Technical Field
The invention relates to a dryer matched with an injection molding machine for use, in particular to a dryer based on temperature control of an injection molding machine control system.
Background
The existing plastic drying machine consists of a cylinder body, a heating device, an air blowing device, a control box, a screen, a discharging device and an exhaust device, wherein heated air is conveyed by the air blowing device to dry raw materials in the cylinder body, moisture is emitted by the exhaust device, and the dried raw materials are supplied to a charging barrel of an injection molding machine for injection molding production.
The control box of the traditional plastic dryer is mainly provided with a controller, a display assembly, a transformer, a heating and fan contactor and a tripping circuit breaker, and the controller starts the contactor to carry out hot air drying through a proportion-integral-derivative (PID) temperature controller according to heating set temperature and thermocouple input detection.
The controller and the display assembly are matched to form a dryer control system, the display assembly is responsible for man-machine interaction and presents details of the current drying temperature and drying time of the plastic particles to an operator, and the matched keyboard allows the operator to change the temperature setting state, the drying operation time and the fan starting action of the dryer to start and stop. The display assembly is connected with the controller through a serial communication cable or an Ethernet cable, the controller executes a pre-stored control program according to an instruction sent by a keyboard, and various devices such as a contactor, a thermocouple and the like are detected and controlled through a digital I/O channel and an analog signal input channel, so that the temperature and time control of drying of the raw materials in the barrel is finally realized.
The existing dryer control system has the following problems:
1. the dryer is typically mounted above the barrel of the injection molding machine, and the height of the operating interface of the display is substantially greater than 2M, which is higher on medium and large injection molding machines. Because the adjustment of the drying temperature setting on the injection molding site is a relatively frequent technological action, operators need to ascend to adjust parameters, and great hidden dangers exist in the aspect of personnel safety.
2. Injection molding process production can only be carried out through temperature matching of the charging barrel of the injection molding machine and the temperature of the dryer, and for the control characteristic of an independent control system, the phenomenon that the temperature of one party meets the production requirement and is kept warm for waiting while the temperature of the other party does not meet the requirement and is continuously worked is easily caused, so that the waste of electric energy is caused.
3. The dryer device communicates with the injection molding machine control system through a Modbus protocol, and usually an RS485 hardware configuration needs to be added in the dryer control box, which results in additional cost and hardware connection.
Disclosure of Invention
The invention aims to provide a dryer based on the control system of an injection molding machine, which is safe, reliable and low in cost.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a desiccator based on injection molding machine control system accuse temperature, includes the injection molding machine and sets up the desiccator on the injection molding machine, the desiccator include barrel, thermocouple, heating device, air-blast device, unloader and exhaust apparatus, the injection molding machine including the control system assembly of moulding plastics, the control system assembly integration of moulding plastics have dry control program, dry control program according to the operation and the stop of the demand control desiccator start-up loop of moulding plastics, and pass through the thermocouple read raw materials temperature data, trigger the start-up the air-blast device right raw materials in the barrel carry out hot air drying.
Furthermore, the injection molding control system assembly is provided with a drying control program, the drying control program comprises a dryer parameter setting program and a dryer parameter monitoring program, the dryer parameter setting program is used for changing the temperature setting state and the drying operation time of the dryer, and the dryer parameter monitoring program is used for reading the thermal electric even data and carrying out temperature control PID heating control of raw material drying by comparing with the set temperature.
Furthermore, the injection molding control system assembly comprises an operation panel, and the operation panel is provided with a dryer parameter setting interface and a dryer parameter monitoring interface. The dryer parameter setting interface enables the raw material setting parameters to be effectively linked with technological parameters such as pressure, flow and position required to be set by the injection mold, and later parameter tracing is facilitated. Preferably, the operation and stop of the dryer start-up loop is accomplished by an injection molding machine control system PID (proportional-integral-derivative) temperature control program. The dry raw material is used as the prerequisite regulation for the generation of the injection molding process, and the PID temperature control of the injection molding machine control system performs unified response temperature control aiming at the completion of the raw material drying process and the injection molding machine charging barrel heating process, namely the control system judges that the raw material drying is completed to determine the heating response of the injection molding machine charging barrel.
Preferably, the injection molding machine control assembly is provided with a dryer alarm program and displays the dryer alarm program on an injection molding machine alarm lamp.
Preferably, the injection molding machine is provided with an electric cabinet, and the dryer starting loop is arranged in the electric cabinet.
Compared with the prior art, the invention has the advantages that the parameter setting and the picture monitoring of the dryer can be directly carried out on the operation panel of the injection molding machine, the operation height is usually kept below 1.6M, the risk of climbing operation is avoided, and the work is safe; the drying and heating operation curve can be matched with the heating operation curve of the charging barrel of the injection molding machine, seamless connection between the drying completion of the raw material in the drying machine and the heating completion of the charging barrel of the injection molding machine is realized, and the energy saving aspect is greatly improved; effective data link is established between the injection product process and the raw material drying process parameters, the data is convenient to store and download, the product and raw material process molding parameter tracing is facilitated, the later-stage product replacement and calling are convenient, and the new input or modification is not needed; the dryer and the injection molding machine operating system do not need Modbus protocol communication for interaction of data and operating instructions, potential communication delay does not exist, and extra cost and hardware connection are not needed; the alarm information of the dryer is gathered on an operation interface, and the follow-up tracing and maintenance are convenient; in addition, the invention can save the related cost of the dryer, reduce the whole volume of the dryer, optimize the mechanical design and improve the convenience of equipment installation.
Drawings
FIG. 1 is a schematic structural diagram of a dryer based on temperature control of an injection molding machine control system according to the present invention;
FIG. 2 is a flow chart of the heating and blowing control of the dryer based on the temperature control of the injection molding machine control system according to the present invention;
FIG. 3 is a temperature rise curve diagram of a plastic-controlled dryer for a dryer based on temperature control of an injection molding machine control system according to the present invention;
FIG. 4 is a graph of independently controlled temperature rise of a prior art dryer;
FIG. 5 is a schematic diagram comparing the energy consumption of the present invention with that of the prior art.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example (b):
as shown in fig. 1, a dryer based on temperature control of an injection molding machine control system comprises an injection molding machine 1 and a dryer 2 arranged on the injection molding machine 1, wherein the dryer 2 comprises a cylinder 21, a thermocouple 22, a heating device 23, a blowing device 24, a blanking device 25 and an exhaust device 26, the injection molding machine 1 comprises an injection molding control system assembly 11 and an electric cabinet 12, a dryer starting loop 121 is arranged in the electric cabinet 12, the injection molding control system assembly comprises an operation panel 111, the operation panel is provided with a dryer parameter setting interface and a dryer parameter monitoring interface, the operation panel is provided with an operation panel display program, the injection molding control system assembly is integrated with a drying control program and a dryer alarm program, the drying control program comprises a dryer parameter setting program and a dryer parameter monitoring program, the dryer parameter setting program is used for changing the temperature setting state and the drying operation time of the dryer, the dryer parameter monitoring program passes.
According to the requirement of the raw material drying temperature required by injection molding, the control system reads the temperature data of the thermocouple 22, the temperature difference is compared with the set required temperature, the PID (proportion integration differentiation) temperature control program of the control system outputs a drying starting instruction, and when the temperature in the heating device reaches the air supply requirement, the air blowing device 24 is triggered to start to carry out hot air conveying on the raw material in the barrel 21.
The PID temperature control of the control system can coordinate and control the heating time of the dryer device and the charging barrel of the injection molding machine, so that the dryer device and the charging barrel of the injection molding machine can finish the heating time at the same time, and the injection molding production is started.
As can be seen from figures 3 and 5, the temperature of the raw materials is more uniform during the material drying process, and the energy consumption of the invention is superior to that of the prior art.
Claims (6)
1. The utility model provides a desiccator based on injection molding machine control system accuse temperature, includes the injection molding machine and sets up the desiccator on the injection molding machine, the desiccator include barrel, thermocouple, heating device, air-blast device, unloader and exhaust apparatus, the injection molding machine including the control system assembly of moulding plastics, its characterized in that the control system assembly of moulding plastics integrate and have dry control program, dry control program according to the operation and the stop of raw materials service temperature demand control desiccator start-up loop of moulding plastics, and pass through the thermocouple read raw materials temperature data, trigger the start-up the air-blast device right raw materials in the barrel carry out hot air drying.
2. The injection molding machine control system temperature-controlled dryer as claimed in claim 1, wherein said injection molding control system assembly is provided with a drying control program, said drying control program comprises a dryer parameter setting program and a dryer parameter monitoring program, said dryer parameter setting program is used for changing the temperature setting state and the drying operation time of the dryer, said dryer parameter monitoring program is used for reading said thermoelectric even data and performing the temperature-controlled PID heating control of drying the raw material by comparing with the set temperature.
3. The injection molding machine control system temperature-controlled based dryer of claim 1, wherein the injection molding control system assembly comprises an operation panel, and the operation panel is provided with a dryer parameter setting interface and a dryer parameter monitoring interface.
4. The injection molding machine control system temperature controlled dryer of claim 1, wherein the start-up loop of the dryer is run and stopped by a PID temperature control program of the injection molding machine control system.
5. The drier of claim 1, wherein the injection molding machine control assembly is provided with a drier alarm program and is displayed on an injection molding machine alarm light.
6. The drying machine based on the temperature control of the injection molding machine control system according to claim 1, wherein the injection molding machine is provided with an electric cabinet, and the drying machine starting loop is arranged in the electric cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210621441.8A CN115091714A (en) | 2022-06-02 | 2022-06-02 | Desiccator based on injection molding machine control system accuse temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210621441.8A CN115091714A (en) | 2022-06-02 | 2022-06-02 | Desiccator based on injection molding machine control system accuse temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115091714A true CN115091714A (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210621441.8A Pending CN115091714A (en) | 2022-06-02 | 2022-06-02 | Desiccator based on injection molding machine control system accuse temperature |
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| Country | Link |
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| CN (1) | CN115091714A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283750A (en) * | 2023-11-27 | 2023-12-26 | 国网甘肃省电力公司电力科学研究院 | New material masterbatch environment-friendly drying equipment and drying method |
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| CN214954641U (en) * | 2021-07-16 | 2021-11-30 | 深圳市水滴节能科技有限公司 | Intelligent injection molding drying barrel energy-saving control system with acousto-optic alarm function |
| CN113954290A (en) * | 2021-10-22 | 2022-01-21 | 宁波海天智联科技有限公司 | Injection molding raw material drying equipment and injection molding raw material conversion rate obtaining system |
| CN114516147A (en) * | 2022-02-14 | 2022-05-20 | 浙江双驰电气科技有限公司 | Energy-saving environment-friendly pressure-regulating frequency-modulating controller of injection molding machine |
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2022
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| CN111438875A (en) * | 2020-04-07 | 2020-07-24 | 义乌雷应贸易有限公司 | Plastic drying machine capable of being sufficiently dried for injection molding machine |
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| CN214954641U (en) * | 2021-07-16 | 2021-11-30 | 深圳市水滴节能科技有限公司 | Intelligent injection molding drying barrel energy-saving control system with acousto-optic alarm function |
| CN113954290A (en) * | 2021-10-22 | 2022-01-21 | 宁波海天智联科技有限公司 | Injection molding raw material drying equipment and injection molding raw material conversion rate obtaining system |
| CN114516147A (en) * | 2022-02-14 | 2022-05-20 | 浙江双驰电气科技有限公司 | Energy-saving environment-friendly pressure-regulating frequency-modulating controller of injection molding machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283750A (en) * | 2023-11-27 | 2023-12-26 | 国网甘肃省电力公司电力科学研究院 | New material masterbatch environment-friendly drying equipment and drying method |
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