CN207290834U - Rapid thermal cycles are molded cooling stage products temperature on-line checking and control device - Google Patents
Rapid thermal cycles are molded cooling stage products temperature on-line checking and control device Download PDFInfo
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- CN207290834U CN207290834U CN201721168588.7U CN201721168588U CN207290834U CN 207290834 U CN207290834 U CN 207290834U CN 201721168588 U CN201721168588 U CN 201721168588U CN 207290834 U CN207290834 U CN 207290834U
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Abstract
The utility model provides a kind of rapid thermal cycles injection cooling stage products temperature on-line checking and control device, including products temperature on-line checking module, industry control processing module, mould refrigerating module and injection mold.The products temperature on-line checking module is installed on the dynamic model side of injection mold and is connected with industry control processing module；The industry control processing module is connected with mould refrigerating module；The cooling water output terminal of the mould refrigerating module is connected by water pipe with the arrival end of injection mold cooling pipe.The utility model not only can accurately regulate and control the cooldown rate of product, so as to optimize the microscopic pattern and structure of polymer, improve the macro property of product, and also ensure that product properties is stablized, the qualification rate of product is significantly improved, belongs to high molecular material rapid thermal cycles injection-molded item quality on-line checking and control technology field.
Description
Technical field
It the utility model is related to on-line checking and the control of injection moulding process products temperature, more particularly to a kind of rapid thermal cycles
It is molded the on-line checking and control device of cooling stage products temperature.
Background technology
Rapid thermal cycles injection molding is a kind of polymer processing techniques for quickly being heated based on mould and quickly being cooled down, by
There is unrivaled advantage in its more conventional injection molding technology, be gradually widely applied and fast-developing in industrial quarters in recent years.
Usually, a complete rapid thermal cycles injection cycle can be divided into mould quickly heat, mould high temperature keep, mould it is quick
Cooling and mould low temperature keep four successive stages.Specifically, heating unit is utilized by mould type in mould rapid heat-up stage
Chamber surface is quickly and evenly heated to the high temperature required by rapid thermal cycles Shooting Technique（Usually above institute's forming polymer thermal change
More than 10 DEG C of shape temperature）, kept for the stage carry out melt injection and pressurize in mould high temperature, passed through in the quick cooling stage of mould past
Cooling water cooling mould and product are passed through in mould cooling pipe, is kept for the stage carry out die sinking pickup in mould low temperature.Many institute's weeks
Know, the macro property of its product of the microscopic pattern and structures shape of polymer, and the formation of microscopic pattern and structure then mainly takes
Certainly in the processing flow field that polymer melt is undergone in process（Predominantly stress field and temperature field）.In rapid thermal cycles
Melt mold filling and packing stage are molded, under unique temperature field caused by high mould temperature and stress field collaboration coupling, can be lured
Lead polymer and form special microscopic pattern and structure；And in part cooling stage, the microscopic pattern of polymer and drilling for structure
Become and then dominated by the temperature place of its experience, therefore how to regulate and control the temperature field of cooling stage product（Regulate and control the cooling of product
Speed）There is material impact to the macro property of product.
At present, the emphasis of rapid thermal cycles injection molding technology research focuses on the heating for how improving mould and cooling effectiveness side
Face, to improve the production efficiency of product.For example, after packing stage is injected, in order to rapidly by part cooling to the demoulding
Temperature, it is common practice to be pumped into low-temperature cooling water with refrigerated product as quickly as possible to big flow into mould cooling pipe.
But too fast part cooling speed often induces undesirable polymer microscopic pattern and structure（Such as coarse grains）Shape
Into, cause end article molding shrinkage is big, brittleness is high, impact strength is low, produce birefringent phenomenon the defects of.Therefore, having must
The cooldown rate that rapid thermal cycles are molded with cooling stage product is pointedly regulated and controled, but there are no relevant skill at present
Art discloses.
Utility model content
The purpose of this utility model is to provide a kind of rapid thermal cycles injection cooling stage products temperature on-line checking with
Control device, to regulate and control the cooldown rate of product, and then optimizes the microscopic pattern and structure of polymer, improves the broad perspectives of product
Energy.
In order to achieve the above object, the utility model uses technical solution as described below.
A kind of rapid thermal cycles injection cooling stage products temperature on-line checking and control device, including products temperature are online
Detection module, industry control processing module, mould refrigerating module and injection mold.The products temperature on-line checking module is installed on note
The dynamic model side of mould is simultaneously connected by control signal wire with industry control processing module；The industry control processing module is believed by controlling
Number line is connected with mould refrigerating module；The cooling water output terminal of the mould refrigerating module is cooled down by water pipe and injection mold
The arrival end connection of pipeline.
Preferably, the products temperature on-line checking module includes thermocouple, push plate, guide post and stepper motor.Guide post is set
Put in the cavity surrounded by the core plate of injection mold, core holding plate and core installing plate, and guide post both ends are solid respectively
It is scheduled in core plate and core installing plate.Push plate is set on guide post and can be slided along the axial reciprocating of guide post.Thermocouple is fixed
Be connected in push plate, and by control signal wire with industry control processing module, with real time by the temperature data collected send to
Industry control processing module is handled；In addition, the probe of thermocouple is installed in the exhausting-gas hole of core plate in a manner of clearance fit,
In this way, thermocouple can make its probe enter the cavity region of injection mold under the impetus of push plate, and then it is inserted into mold filling
The temperature of product is measured in melt real-time online.It is empty in installation in order to the temperature of on-line measurement product different parts at the same time
Between allow on the premise of multiple thermocouples can be set.Stepper motor is fixed on core installing plate and passes through with industry control processing module
Control signal wire connects, its output shaft is threadedly coupled with push plate.In this way, can be by stepper motor both forward and reverse directions by worm drive
Rotary motion be transformed to the linear reciprocating motion of push plate so that the corner using industry control processing module control stepper motor
Realize and the depth of thermocouple probe insertion product accurately, continuously adjust.
Preferably, mould refrigerating module includes bosh and servo variable pump, servo variable pump and industry control processing module
Connected by control signal wire, under the control instruction of industry control processing module, servo variable pump is by the cooling water in bosh
By predetermined flow（Such as the arbitrary value in the range of 0~50 L/min）It is required that it is pumped into the cooling pipe of injection mold, realization pair
The accurate control of mold cavity surface temperature.The port of export of injection mold cooling pipe is connected by water pipe with bosh, real
Existing cooling water recycles.
Preferably, injection mold includes dynamic model and cover half.Dynamic model is included by the sequentially connected core installing plate of screw, type
Core holding plate and core plate；Cover half includes passing through the sequentially connected cavity installing plate of screw and cavity plate.
Rapid thermal cycles are molded cooling stage products temperature on-line checking and the method for control, are to include the following steps：
（1）Utilize mold heating device（Such as die heater）Molding mold cavity surface is quickly and evenly heated to fast speed heat
Circulate the high temperature required by Shooting Technique（Such as 120 DEG C）；
（2）Closed die, injection plastic melt and pressurize, while industry control processing module are to products temperature on-line checking module
Control instruction is sent, is prepared to measure the temperature of rapid thermal cycles cooling stage product；
（3）Products temperature on-line checking module measures the temperature of product in real time, and transfers data to industry control processing mould
Block, industry control processing module handle data and generate corresponding control instruction and sent to mould refrigerating module, to regulate and control system
The cooldown rate of product；
（4）Treat that part cooling to calcining temperature, industry control processing module is cooled down to products temperature on-line checking module and mould
Module sends control instruction respectively, completes the detection of products temperature and stops cooling mould, opens injection mold, eject product.
Preferably, the step（2）Specifically：Treat that molding mold cavity surface reaches rapid thermal cycles injection molding process
Required high temperature（Such as 120 DEG C）Afterwards, injection mold is closed, injection molding machine will be plasticized the plastic melt injection measured in barrel
In molding mold cavity, packing stage is entered after injection；At this time, industry control processing module sends control to stepper motor and refers to
Order, stepper motor, which rotates forward, makes push plate be moved along guide post to close to molding mold cavity side, so that the probe of thermocouple passes through
In the exhausting-gas hole insertion molding mold cavity mold filling melt of core plate（Insertion depth can be by controlling the corner of stepper motor to carry out
It is accurate to adjust）, prepare to measure the temperature of cooling stage product.
Preferably, the step（3）Specifically：After packing stage, into the part cooling stage, thermocouple is in real time
The temperature of product is measured, and transfers data to industry control processing module, industry control processing module handles data and generates phase
The control instruction answered is sent to servo variable pump, and servo variable pump is according to command information by the cooling water in bosh with predetermined
Flow（Such as the arbitrary value in the range of 0~50 L/min）It is pumped into by water pipe in injection mold cooling pipe to control injection
The temperature on mold cavity surface, and then the cooldown rate of accuracy controlling product, make it by predetermined requirement（Such as 25 DEG C/min）Become
Change.
Preferably, the step（4）Specifically：Treat part cooling to calcining temperature（Such as 55 DEG C）, industry control processing module to
Stepper motor and servo variable pump send control instruction respectively, and stepper motor reversion makes push plate along guide post to away from injection mold
Cavity side moves, and is completed so that the probe of thermocouple is extracted from product and entered in the exhausting-gas hole of core plate to products temperature
Detection, servo variable pump stalling stopping continues cool down injection mold, later on injection mold, eject product.
The utility model has the advantages that relative to the prior art：
（1）The utility model utilizes products temperature on-line checking module, industry control processing module and mould refrigerating module structure
Rapid thermal cycles injection cooling stage products temperature automatic control system, the cooldown rate of product can accurately be adjusted
Control, makes it change by predetermined requirement, is conducive to optimize the microscopic pattern and structure of polymer, improves the macro property of product.
（2）The utility model can carry out on-line checking and control to the temperature of 100% product, efficiently against because of injection
During various disturbing factors（Such as melt temperature fluctuates）Influence to product properties, it is ensured that product properties is stablized.
（3）The utility model is easy to operate, realization is easy, cost is relatively low, it is convenient to is followed applied to existing fast speed heat
Ring injection-moulding device undergoes technological transformation, and significantly improves the performance and qualification rate of product.
Brief description of the drawings
Fig. 1 is that the utility model rapid thermal cycles injection cooling stage products temperature on-line checking shows with control device structure
It is intended to.
Fig. 2 is the utility model products temperature on-line checking module diagram.
Fig. 3 is the utility model injection mold structure schematic diagram.
Fig. 4-Fig. 7 is the utility model rapid thermal cycles injection cooling stage products temperature on-line checking and control device work
Make process schematic.
Symbol description is as follows in above-mentioned each figure：1-products temperature on-line checking module；2-industry control processing module；3-mould
Has refrigerating module；4-injection mold；5-control signal wire；6-water pipe；7-mold filling melt or product.
1-1-thermocouple；1-2-push plate；1-3-guide post；1-4-stepper motor；1-5-probe.
3-1-bosh；3-2-servo variable pump.
4-1-dynamic model；4-2-cover half；4-3-screw；4-4-cavity；4-5-exhausting-gas hole；4-6-injection mold type
Chamber；4-7-injection mold cooling pipe.
4-1-1-core installing plate；4-1-2-core holding plate；4-1-3-core plate；4-2-1-cavity installing plate；
4-2-2-cavity plate.
Embodiment
The utility model is described in further detail with reference to embodiment and attached drawing, but the utility model embodiment party
Formula not limited to this.
Embodiment
Fig. 1 and Fig. 3 has gone out the concrete structure of the utility model, and Fig. 4-Fig. 7 shows the course of work of the utility model.
The utility model rapid thermal cycles, which are molded cooling stage products temperature on-line checking and control device, includes product temperature
Spend on-line checking module 1, industry control processing module 2, mould refrigerating module 3 and injection mold 4.The products temperature on-line checking mould
Block 1 is installed on the dynamic model side of injection mold 4 and is connected by control signal wire 5 with industry control processing module 2；The industry control processing
Module 2 is connected by control signal wire 5 with mould refrigerating module 3；The cooling water output terminal of the mould refrigerating module 3 passes through
Water pipe 6 is connected with the arrival end of injection mold cooling pipe 4-7.
Products temperature on-line checking module 1 includes thermocouple 1-1, push plate 1-2, guide post 1-3 and stepper motor 1-4；Guide post
1-3 is arranged on the sky surrounded by the core plate 4-1-3 of injection mold 4, core holding plate 4-1-2 and core installing plate 4-1-1
In chamber 4-4, and guide post 1-3 both ends are separately fixed on core plate 4-1-3 and core installing plate 4-1-1；Push plate 1-2, which is set in, to be led
It can slide on column 1-3 and along the axial reciprocating of guide post 1-3；Thermocouple 1-1, which is connected through a screw thread, to be fixed on push plate 1-2, and with
Industry control processing module 2 is connected by control signal wire 5, and the probe 1-5 of thermocouple 1-1 is installed on core in a manner of clearance fit
In the exhausting-gas hole 4-5 of plate 4-1-3, for thermocouple 1-1 under the impetus of push plate 1-2, probe 1-5 can stretch into injection mold 4
Cavity 4-6 regions, and then be inserted into mold filling melt and realize that the temperature real-time online that rapid thermal cycles are molded with cooling stage product is surveyed
Amount, can set multiple thermocouple 1-1 with the temperature of on-line measurement product different parts at the same time on the premise of installation space allows；
Stepper motor 1-4 is fixed by screws on core installing plate 4-1-1 and connects with industry control processing module 2 by control signal wire 5
Connect, its output shaft is threadedly coupled with push plate 1-2, so as to be transported the rotation of stepper motor 1-4 both forward and reverse directions by worm drive
The dynamic linear reciprocating motion for being transformed to push plate 1-2, and then can be by controlling the corner of stepper motor 1-4 to realize to thermocouple 1-1
Probe 1-5 insertion products depth carry out it is accurate, continuously control.
Mould refrigerating module 3 includes bosh 3-1 and servo variable pump 3-2, servo variable pump 3-2 and industry control processing mould
Block 2 is connected by control signal wire 5, and under the control instruction of industry control processing module 2, servo variable pump 3-2 is by bosh 3-1
In cooling water press predetermined flow（Such as the arbitrary value in the range of 0~50 L/min）It is required that it is pumped into injection mold cooling pipe
In 4-7, the accuracy controlling to molding mold cavity 4-6 surface temperatures is realized.The port of export of injection mold cooling pipe 4-7 passes through
Water pipe 6 is connected with bosh 3-1, realizes recycling for mold cooling water.
Injection mold 4 includes dynamic model 4-1 and cover half 4-2.Dynamic model 4-1 includes pacifying by the sequentially connected cores of screw 4-3
Loading board 4-1-1, core holding plate 4-1-2 and core plate 4-1-3；Cover half 4-2 includes pacifying by the sequentially connected cavities of screw 4-3
Loading board 4-2-1 and cavity plate 4-2-2.
The course of work of the utility model is systematically illustrated with reference to Fig. 4-Fig. 7.Including following specific step
Suddenly：
（1）As shown in figure 4, utilize die heater（Not shown in figure）Molding mold cavity 4-6 surfaces are quickly and evenly added
Heat is to the high temperature required by rapid thermal cycles Shooting Technique（Such as 120 DEG C）；
（2）Treat that molding mold cavity 4-6 surfaces are heated to predetermined temperature（Such as 120 DEG C）Afterwards, injection mold 4 is closed, is noted
Molding machine will be plasticized in barrel in the plastic melt injection molding mold cavity 4-6 that measures, and pressurize rank is entered after injection
Section；At this time, industry control processing module 2 sends control instruction to products temperature on-line checking module 1, and stepper motor 1-4, which is rotated forward, to be made to push away
Plate 1-2 is moved along guide post 1-3 to close to molding mold cavity 4-6 sides, so that the probe 1-5 of thermocouple 1-1 passes through core
In the exhausting-gas hole 4-5 insertion mold fillings melt 7 of plate 4-1-3（As shown in Figure 5）, prepare to measure the temperature of cooling stage product.
（3）As shown in fig. 6, after packing stage, into the part cooling stage, thermocouple 1-1 measures product 7 in real time
Temperature, and transfer data to industry control processing module 2, industry control processing module 2 handles data and generates corresponding control
System instruction is sent to servo variable pump 3-2, servo variable pump 3-2 according to command information by the cooling water in bosh 3-1 with
Predetermined flow（Such as the arbitrary value in the range of 0 ~ 50 L/min）By water pipe 6 be pumped into injection mold cooling pipe 4-7 with
The temperature on molding mold cavity 4-6 surfaces, and then the cooldown rate of accuracy controlling product 7 are controlled, makes it by predetermined requirement（Such as
25 ℃/min）Change.
（4）Treat that product 7 is cooled to calcining temperature（Such as 55 DEG C）, industry control processing module 2 is to stepper motor 1-4 and servo variable displacement
Pump 3-2 sends control instruction respectively, and stepper motor 1-4 reversions make push plate 1-2 along guide post 1-3 to away from molding mold cavity 4-
6 sides are moved, so that the probe 1-5 of thermocouple 1-1 is extracted from product 7 and entered complete in the exhausting-gas hole 4-5 of core plate 4-1-3
The detection of paired 7 temperature of product, servo variable pump 3-2 stalling stoppings continue to cool down injection mold 4, later on injection mold 4,
Product 7 is ejected, as shown in Figure 7.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model and from above-mentioned
The limitation of embodiment, the change made under other any Spirit Essences and principle without departing from the utility model, modify, replace
Generation, combination, simplify, and should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (6)
1. a kind of rapid thermal cycles injection cooling stage products temperature on-line checking and control device, it is characterised in that：Including system
Product temperature degree on-line checking module, industry control processing module, mould refrigerating module and injection mold；The products temperature on-line checking mould
Block is installed on the dynamic model side of injection mold and is connected by control signal wire with industry control processing module, the industry control processing module
It is connected by control signal wire with mould refrigerating module, the cooling water output terminal of the mould refrigerating module passes through water pipe and note
The arrival end connection of mould cooling pipe.
2. rapid thermal cycles injection cooling stage products temperature on-line checking according to claim 1 and control device, its
It is characterized in that：The products temperature on-line checking module includes thermocouple, push plate, guide post and stepper motor；The guide post is set
In the cavity surrounded by the core plate of injection mold, core holding plate and core installing plate, and guide post both ends are fixed respectively
In core plate and core installing plate；The push plate is set on guide post and can be slided along the axial reciprocating of guide post；The thermoelectricity
It is even to be installed in push plate, and be connected with industry control processing module by control signal wire；The stepper motor is fixed on core installation
It is connected on plate and with industry control processing module by control signal wire, its output shaft is threadedly coupled with push plate.
3. rapid thermal cycles injection cooling stage products temperature on-line checking according to claim 2 and control device, its
It is characterized in that：The probe of the thermocouple is in a manner of clearance fit in the exhausting-gas hole of core plate, and thermocouple is in push plate
Impetus under, its probe can enter injection mold cavity region.
4. rapid thermal cycles injection cooling stage products temperature on-line checking according to claim 1 and control device, its
It is characterized in that：The mould refrigerating module includes bosh and servo variable pump, and servo variable pump leads to industry control processing module
Control signal wire connection is crossed, under the control instruction of industry control processing module, servo variable pump presses the cooling water in bosh
Predetermined traffic requirement is pumped into injection mold cooling pipe, realizes the accurate control to mold cavity surface temperature.
5. rapid thermal cycles injection cooling stage products temperature on-line checking according to claim 1 and control device, its
It is characterized in that：The injection mold includes dynamic model and cover half, and dynamic model is included by the sequentially connected core installing plate of screw, core
Holding plate and core plate, cover half include passing through the sequentially connected cavity installing plate of screw and cavity plate.
6. rapid thermal cycles injection cooling stage products temperature on-line checking according to claim 1 and control device, its
It is characterized in that：The port of export of the injection mold cooling pipe is connected by water pipe with bosh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721168588.7U CN207290834U (en) | 2017-09-13 | 2017-09-13 | Rapid thermal cycles are molded cooling stage products temperature on-line checking and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721168588.7U CN207290834U (en) | 2017-09-13 | 2017-09-13 | Rapid thermal cycles are molded cooling stage products temperature on-line checking and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207290834U true CN207290834U (en) | 2018-05-01 |
Family
ID=62447224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721168588.7U Expired - Fee Related CN207290834U (en) | 2017-09-13 | 2017-09-13 | Rapid thermal cycles are molded cooling stage products temperature on-line checking and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207290834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605836A (en) * | 2019-10-28 | 2019-12-24 | 广东星联精密机械有限公司 | Device and method for testing cooling performance of bottle blank injection mold |
-
2017
- 2017-09-13 CN CN201721168588.7U patent/CN207290834U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605836A (en) * | 2019-10-28 | 2019-12-24 | 广东星联精密机械有限公司 | Device and method for testing cooling performance of bottle blank injection mold |
| CN110605836B (en) * | 2019-10-28 | 2024-04-02 | 广东星联精密机械有限公司 | Bottle blank injection mold cooling performance test method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20190913 |
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| CF01 | Termination of patent right due to non-payment of annual fee |