CN109719972A - A kind of resin injection device being used to prepare composite pipe and control method - Google Patents
A kind of resin injection device being used to prepare composite pipe and control method Download PDFInfo
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- CN109719972A CN109719972A CN201910076250.6A CN201910076250A CN109719972A CN 109719972 A CN109719972 A CN 109719972A CN 201910076250 A CN201910076250 A CN 201910076250A CN 109719972 A CN109719972 A CN 109719972A
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Abstract
The present invention relates to a kind of resin injection device for being used to prepare composite pipe and control methods comprising heating bucket, servo motor, blender, solenoid valve, heater strip, bung, mold and heating rod；Wherein, the blender is articulated in heating bucket and is connected with servo motor；The solenoid valve is connected to the top of heating bucket；The heater strip is centered around on the inner wall of heating bucket and fixed；The bung is fixed on heating bucket；The bottom of the heating bucket is connected with a pipeline connected with mold, and the pipeline is equipped with flow monitor；Air bag is covered in the mold；A water flow solenoid valve is connected on the mold；The heating rod is installed on the quadrangle of the entrance of mold.The present invention can preferably control the proportion of the pressure between resin and mandrel, reduction temperature influences gasbag pressure, improve the adaptable Components Shape type of capability of deformable bladder, increase finished product accuracy and automate technique initialization more.
Description
[technical field]
The present invention relates to a kind of resin injection devices and control method for composite pipe manufacture, and in particular to one
Kind is used to prepare the resin injection device and control method of composite pipe, belongs to fabric reinforced composite component processing skill
Art field.
[background technique]
With the development of composite material the relevant technologies, the multiple material structure with high specific strength, specific modulus and good corrosion
Part is gradually acceptable to the market.In order to effective integration into all kinds of complete machines, this, which is just required to process, has abnormity
The multiple material component of structure.
Deformable bladder is a kind of process means for processing profiled composite pipe, by balloon surface laying
Fiber-reinforced layer is put into shape mold, it is made to solidify the available shape being adapted with mold after injecting resin.
In this course, there are the following problems: 1) proportion relation of the blowing pressure in air bag and resin injection pressure.In order to obtain
Good injection rate needs to apply certain pressure to injection resin, if the hypertonia, by compressing gasbag, to drop
The low fiber volume fraction of component；If hypotony, the mobility of resin is affected, be easy to cause the vacuole area in component
Domain；2) also there are certain relationships with temperature for the mobility of resin.The too low Resin Flow that will lead to of temperature is bad, if temperature mistake
Height will lead to and reduce in intensity after resin solidification forms.Solidification temperature can also have the intensity after resin forming after the completion of being filled with
Very big influence, therefore a ring is very important for the control of temperature in the curing process.
Therefore, to solve the above problems, it is necessory to provide a kind of resin for being used to prepare composite pipe of innovation
Injection device and control method, to overcome the defect in the prior art.
[summary of the invention]
To solve the above problems, the purpose of the present invention is to provide a kind of resin injections for being used to prepare composite pipe
Device, can preferably control between resin and mandrel pressure proportion, reduce temperature on gasbag pressure influence, improve it is deformable
The adaptable Components Shape type of capability of air bag increases finished product accuracy and automates technique initialization more.
The second object of the present invention is to provide a kind of control of resin injection device for being used to prepare composite pipe
Method.
To realize above-mentioned first purpose, the technical scheme adopted by the invention is as follows: a kind of composite pipe that is used to prepare
Resin injection device, packet include heating bucket, servo motor, blender, solenoid valve, heater strip, bung, mold and heating
Stick；Wherein, the blender is articulated in heating bucket and is connected with servo motor；The solenoid valve is connected to the upper of heating bucket
Portion；The heater strip is centered around on the inner wall of heating bucket and fixed；The bung is fixed on heating bucket；The bottom of the heating bucket
Portion is connected with a pipeline connected with mold, and the pipeline is equipped with flow monitor；Air bag is covered in the mold；It is described
A water flow solenoid valve is connected on mold；The heating rod is installed on the quadrangle of the entrance of mold.
The resin injection device for being used to prepare composite pipe of the invention is further are as follows: temperature is equipped in the heating bucket
Spend detector I；Pressure detector I and infrared detector are fixed on the bung.
The resin injection device for being used to prepare composite pipe of the invention is further are as follows: is equipped with temperature on the mold
Spend detector II and pressure detector II.
The resin injection device for being used to prepare composite pipe of the invention is also are as follows: controls system including a signal processing
System, the signal processing control system include temperature automatically controlled pressure control injection software, braiding integrating device NC code compiler, control
Computer, temperature controller and pressure controller；The temperature automatically controlled pressure control injects software, weaves integrating device numerical control code
Compiler, control computer are sequentially connected；The temperature controller, pressure controller, infrared detector, flow monitor point
It is not connect with control computer；Described pressure detector I, II are electrically connected to pressure controller；The pressure detector I control
Solenoid valve；Described hygrosensor I, II are electrically connected to temperature controller；Described hygrosensor I, II control heating respectively
Silk and heating rod.
To realize above-mentioned second purpose, the technical scheme adopted by the invention is as follows: a kind of composite pipe that is used to prepare
The control method of resin injection device comprising following steps:
1), resin be sent into heating bucket, when resin reaches it is a certain amount of when can be detected at this time stop be added resin；
2) it, is stirred evenly by electric-heating-wire-heating and by blender；Hygrosensor I in heating bucket bottom can constant testing
Resin temperature and resin temperature is transmitted to control system；
3), when being heated to certain temperature hygrosensor I can issue a signal to control system make heater strip stop heating,
Until temperature is reduced to preset value；And control solenoid valve and introduce air pressure, it can start to inject resin to mold at this time, once temperature
Heater strip will heated resin be to assigned temperature again for decline, and blender will be run always during operation；
4), when needing to inject resin, injection switch, resin outlet solenoid valve allow resin to infuse for the first time for artificial control
Enter；When injection detection flows and with pressure in bucket and temperature comparisons, will will call the police when flow and prediction are not inconsistent and close electromagnetism
Valve stops injection；Resin is injected in follow-up work to automatically begin to resin injection by everything in readiness after the completion of demoulding；
5) signal, will be transmitted when inner core pressure detector I reaches certain value opens solenoid valve permission to control system
Resin outflow；
6) it, is controlled by pressure detector II and stops injection, will stop injecting and being passed to when pressure is to certain value
Control computer；The solenoid valve that control computer can open control water flow is filled with the water of heating into mold core, thereafter heat
Water can together with mold heated resin；Extra resin can be squeezed out by the resin outlet of mold in mold, when inner core pressure reaches
Signal is transmitted by the pressure detector of inner core when certain value and is filled with hot water to control system stopping；
7) it can close the outlet valve of mold when, mold core stopping is filled with hot water and start solidified resin；It completes admittedly
Control system will be demoulded after change can control the above-mentioned behavior of resin injection switch work repetition；
8), after resin drops to preset value in heating bucket；Control system can be completed this time to be molded and in resin solidification mistake
Cheng Zhong, on closing mold after resin outlet；It is controlled by control system and opens pressure in solenoid valve release bucket, and started into bucket
Resin is injected, the signal of hygrosensor transmitting at this time is begun to warm up to control system；It is closed after resin volume reaches preset value
Solenoid valve stops injection resin, closes the solenoid valve of gas outflow and opens the solenoid valve of control inflow gas to pressurizeing in bucket,
It can work on after the completion.
Compared with prior art, the invention has the following beneficial effects:
1. the air bag of the resin injection device for being used to prepare composite pipe of the invention can adapt to a variety of deep cambers
The shape requirements of variation, mold can internal heating, can pressure control type core and resin recycling and pressure feedback can be provided, make
The solidification process of odd-shaped cross section pipe is more intelligent, controllableization more efficiently improves the controllability and stabilization of pressure proportion
Property, influence of the mold temperature for air pressure is reduced, heating speed is improved and reduces energy loss, reduces production cost,
Finished product is set to be able to satisfy the special-shaped inner wall demand of deep camber；
2. the resin injection device for being used to prepare composite pipe of the invention makes up using water as warm transmission medium is passed
It is easily affected by temperature when gas is as medium and pressure injects slow deficiency；Control simultaneously for core temperature but also plus
Strong pipe reduces manufacturing time in the fabrication process, obtains more superior mechanical property.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the heating bucket of the resin injection device for being used to prepare composite pipe of the invention.
Fig. 2 is the structural schematic diagram of the mold of the resin injection device for being used to prepare composite pipe of the invention.
Fig. 3 is the control principle drawing of the resin injection device for being used to prepare composite pipe of the invention.
[specific embodiment]
It please refers to shown in Figure of description 1 to attached drawing 3, the present invention is a kind of resin note for being used to prepare composite pipe
Enter device, by heating bucket 2, servo motor 11, blender 10, solenoid valve 5, heater strip 4, bung 7, mold 24 and heating rod
A few part compositions such as 15.
Wherein, the hygrosensor I3 for detecting resin temperature in heating bucket 2 is equipped in the heating bucket 2.
The blender 10 is articulated in heating bucket 2 and is connected with servo motor 11, the driving stirring of servo motor 11
Device 10 rotates, thus uniform by the resin agitating in bucket 2 is heated.
The solenoid valve 5 is connected to the top of heating bucket 2.The heater strip 4 is centered around on the inner wall of heating bucket 2 and solid
It is fixed, resin can be heated.
The bung 7 is fixed on heating bucket 2.Pressure detector I6 and infrared detector are fixed on the bung 7
8。
The bottom of the heating bucket 2 is connected with the pipeline 12 of one and the connection of mold 24, and the pipeline 12 is supervised equipped with flow
Survey device 1.
It is covered with air bag 17 in the mold 24, water can be passed through in air bag 17.Temperature sensing is installed on the mold 24
Device II14 and pressure detector II13.A water flow solenoid valve 25 is connected on the mold 24.
The heating rod 15 is installed on the quadrangle of the entrance of mold 24, can heat to the resin of injection.
The resin injection device for being used to prepare composite pipe of the invention further includes a signal processing control system 21,
It is integrated with temperature automatically controlled pressure control injection software 18 in the signal processing control system 21, weaves integrating device NC code compiler
19, computer 20, temperature controller 22 and pressure controller 23 are controlled.
The temperature automatically controlled pressure control injects software 18, braiding integrating device NC code compiler 19, control computer 20
It is sequentially connected.The temperature controller 22, pressure controller 23, infrared detector 8, flow monitor 1 are counted with control respectively
Calculation machine 20 connects, and is controlled by control computer 20.The pressure detector I, II6,13 are electrically connected to pressure controller 23；
The pressure detector I6 controls solenoid valve 5.The hygrosensor I, II3,14 are electrically connected to temperature controller 22；It is described
Hygrosensor I, II3,14 control heater strip 4 and heating rod 15 respectively.
The control method of the resin injection device for being used to prepare composite pipe of the invention is as follows:
1), resin be sent into heating bucket 2, when resin reaches it is a certain amount of when can be detected by infrared detector, at this time stop plus
Enter resin；
2), resin is heated by heating wire 4 and is stirred evenly by blender 10；Hygrosensor I3 meeting in heating bucket bottom
Constant testing resin temperature and resin temperature is transmitted to control system 21；
3), when being heated to certain temperature, hygrosensor I3, which can issue a signal to control system 21, stops heater strip 4
Heating, until temperature is reduced to preset value；And control solenoid valve 5 and introduce air pressure, it can start to inject resin to mold at this time, one
Heater strip 4 will heated resin be to assigned temperature again for the decline of denier temperature, and blender 10 will be run always during operation；
4), when needing to inject resin, injection switch, solenoid valve 5 allow resin to inject for the first time for artificial control；When injection
Detection flows and with pressure in bucket and temperature comparisons, will will call the police when flow and prediction are not inconsistent and close solenoid valve 5 and stop infusing
Enter；Resin is injected in follow-up work to automatically begin to resin injection by everything in readiness after the completion of demoulding；
5) signal, will be transmitted when pressure detector I6 reaches certain value opens the permission of solenoid valve 5 to control system 21
Resin outflow；
6), will stop injecting and being passed to control computer 20 when pressure is to certain value；Control 20 meeting of computer
It opens control water flow solenoid valve 25 to be filled with into 24 inner core of mold the water of heating, hereafter hot water can heat tree together with mold
Rouge；Extra resin can be squeezed out by the resin outlet of mold in mold, when inner core pressure reaches certain value by the pressure of inner core
Detector II14 transmits signal and is filled with hot water to the stopping of control system 21；
7) it can close the outlet valve of mold when, the stopping of 24 inner core of mold is filled with hot water and start solidified resin；It completes
Control system will be demoulded after solidification can control the above-mentioned behavior of resin injection switch work repetition；
8), after resin drops to preset value in heating bucket 2；Control system 21 can be completed this time to be molded and in resin solidification
In the process, on closing mold after resin outlet；It is controlled by control system 21 and opens pressure in the release bucket of solenoid valve 5, and started
Resin is injected into bucket, hygrosensor 3 transmits signal and begins to warm up to control system at this time；When resin volume reaches preset value
Solenoid valve 5 is closed afterwards and stops injection resin, closes the solenoid valve of gas outflow and opens the solenoid valve 5 of control inflow gas to bucket
Interior pressurization can work on after the completion.
Above specific embodiment is only the preferred embodiment of this creation, all in this wound not to limit this creation
Any modification, equivalent substitution, improvement and etc. done within the spirit and principle of work, should be included in this creation protection scope it
It is interior.
Claims (5)
1. a kind of resin injection device for being used to prepare composite pipe, it is characterised in that: including heating bucket, servo motor,
Blender, solenoid valve, heater strip, bung, mold and heating rod；Wherein, the blender be articulated in heating bucket in and with
Servo motor is connected；The magnet valve is connected to the top of heating bucket；The heater strip is centered around on the inner wall of heating bucket and fixed；
The bung is fixed on heating bucket；The bottom of the heating bucket is connected with a pipeline connected with mold, sets on the pipeline
There is flow monitor；Air bag is covered in the mold；A water flow solenoid valve is connected on the mold；The heating rod installation
In the quadrangle of the entrance of mold.
2. being used to prepare the resin injection device of composite pipe as described in claim 1, it is characterised in that: the heating
Hygrosensor I is equipped in bucket；Pressure detector I and infrared detector are fixed on the bung.
3. being used to prepare the resin injection device of composite pipe as claimed in claim 2, it is characterised in that: the mold
On hygrosensor II and pressure detector II are installed.
4. being used to prepare the resin injection device of composite pipe as claimed in claim 3, it is characterised in that: further packet
A signal processing control system is included, which includes temperature automatically controlled pressure control injection software, weaves integrating device
NC code compiler, control computer, temperature controller and pressure controller；The temperature automatically controlled pressure control injects software,
Braiding integrating device NC code compiler, control computer are sequentially connected；It is the temperature controller, pressure controller, infrared
Thread detector, flow monitor are connect with control computer respectively；Described pressure detector I, II are electrically connected to pressure control
Device；The pressure detector I control solenoid valve and water flow solenoid valve；Described hygrosensor I, II are electrically connected to temperature control
Device；Described hygrosensor I, II control heater strip and heating rod respectively.
5. a kind of control method using the resin injection device for being used to prepare composite pipe as claimed in claim 4,
It is characterized by comprising following steps:
1), resin be sent into heating bucket, when resin reaches it is a certain amount of when can be detected by infrared detector, at this time stop be added tree
Rouge；
2), resin is stirred evenly by electric-heating-wire-heating and by blender；Hygrosensor I in heating bucket bottom can constant testing
Resin temperature and resin temperature is transmitted to control system；
2), when being heated to certain temperature, hygrosensor I, which can issue a signal to control system, makes heater strip stop heating, directly
It reduces to temperature to preset value；And control solenoid valve and introduce air pressure, it can start to inject resin to mold at this time, once at a temperature of
Heater strip will heated resin be to assigned temperature again for drop, and blender will be run always during operation；
4), when needing to inject resin, injection switch, solenoid valve allow resin to inject for the first time for artificial control；It is detected when injection
Flow and with pressure in bucket and temperature comparisons, will will call the police when flow and prediction are not inconsistent and close solenoid valve and stop injecting；Afterwards
Injection resin will automatically begin to resin injection by everything in readiness after the completion of demoulding in continuous work；
5) signal, will be transmitted when pressure detector reaches certain value opens solenoid valve permission resin outflow to control system；
6), will stop injecting and being passed to control computer when pressure is to certain value；Control computer can open control
Water flow solenoid valve is filled with the water of heating into mold core, hereafter hot water can together with mold heated resin；It is extra in mold
Resin can be squeezed out by the resin outlet of mold, when inner core pressure reach certain value when by inner core pressure detector II transmit letter
Number to control system stopping be filled with hot water；
7) it can close the outlet valve of mold when, mold core stopping is filled with hot water and start solidified resin；After finished curing
Control system, which will be demoulded, can control the above-mentioned behavior of resin injection switch work repetition；
8), after resin drops to preset value in heating bucket；Control system can complete this time injection molding and in resin curing process,
On closing mold after resin outlet；It is controlled by control system and opens pressure in solenoid valve release bucket, and start to inject into bucket
Resin, the signal of hygrosensor transmitting at this time are begun to warm up to control system；Electromagnetism is closed after resin volume reaches preset value
Valve stops injection resin, closes the solenoid valve of gas outflow and opens the solenoid valve for controlling inflow gas to pressurizeing in bucket, completes
After can work on.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910076250.6A CN109719972B (en) | 2019-01-26 | 2019-01-26 | Resin injection device for preparing composite pipe fitting and control method |
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|---|---|---|---|
| CN201910076250.6A CN109719972B (en) | 2019-01-26 | 2019-01-26 | Resin injection device for preparing composite pipe fitting and control method |
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| CN109719972A true CN109719972A (en) | 2019-05-07 |
| CN109719972B CN109719972B (en) | 2023-08-18 |
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