CN208930663U - A kind of barrel temperature control of injection mold device - Google Patents
A kind of barrel temperature control of injection mold device Download PDFInfo
- Publication number
- CN208930663U CN208930663U CN201821466081.4U CN201821466081U CN208930663U CN 208930663 U CN208930663 U CN 208930663U CN 201821466081 U CN201821466081 U CN 201821466081U CN 208930663 U CN208930663 U CN 208930663U
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- Prior art keywords
- electromagnetic heating
- barrel
- heating coil
- temperature control
- injection mold
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of barrel temperature control of injection mold device, heat-conducting layer and electromagnetic heating power supply including barrel, the multiple independently-powered electromagnetic heating coils being wrapped on barrel different location, between electromagnetic heating coil and barrel；It further include cooling unit, electromagnetic heating coil is hollow structure, the cooling working medium delivery outlet of cooling unit is connect with the first end of each electromagnetic heating coil hollow cavity respectively by isolated pipe, the second end of electromagnetic heating coil hollow cavity is connect with the recycling interface of cooling unit respectively by isolated pipe, is equipped with the insulating layer for preventing cooling working medium from contacting with electromagnetic heating coil in electromagnetic heating coil inner surface.The device need not could cool down after power-off, not have to worry electric leakage, cooling the problem of will affect accuracy of temperature control and production efficiency after avoiding power-off, stopping heating, improve production efficiency.
Description
Technical field
The utility model relates to technical field of heating, more particularly to a kind of barrel temperature control of injection mold device.
Background technique
In injection molding machine process of injection molding, there are many factor for influencing final plastics product quality, the crystallization of such as material
Property, mobility, barrel temperature, injection pressure, material metering etc., barrel temperature therein be injection moulding production process in pole
Its important parameter, because barrel temperature directly influences the molten condition and uniformity coefficient of feed particles in barrel, in turn
Influence the superiority and inferiority of product quality.
Traditional charging barrel heating device uses the ring type electric-heating-wire-heating circle or double half-ring electric-heating-wire-heating circles around barrel,
There is mica to separate between barrel and heating wire, electric heating coil heating power transfers heat to barrel, makes the plastics material grain in barrel
Melt.This electric heating coil heating device will could be passed due to the heat that heating wire generates by multilayer mica and multi-layer air layer
Barrel is passed, and air is good insulation, so this electric heating coil, thermal resistance is big, and the thermal efficiency is low, and sets when barrel reaches
Determine temperature, electric heating coil power-off stops fever, and there are larger thermal inertias.Currently, it proposes in the prior art based on electromagnetic induction original
Reason carrys out heating cylinder, as the patent of Patent No. 201120427127.3 disclose it is a kind of efficiently, environment-friendly type extruder electromagnetism adds
Hot equipment, the patent of Patent No. 201120414500.1 disclose a kind of electromagnetic heater of chemical fiber extruder, Patent No.
201620469368.7 patent discloses a kind of injection molding machine of electromagnetic heating, is all to be around with to be evenly heated high temperature resistant in barrel
Coil grading heats barrel itself quickly by the high frequency magnetic field that the coil of high temperature resistant line coiling generates.The needs when reloading
Barrel temperature, which is reduced to after room temperature, just can be carried out operation, to the cooling of barrel there are commonly air-cooled and water-cooling pattern, air-cooled one
As use aerial cooler, need refrigeration system, equipment and use cost are high.The cooling velocity of water cooling is very fast, is usually expecting
Cooling water pipe is wound around cylinder or induction coil is fabricated to the recyclable electromagnetic heating tube for being passed through cooling water realizes, Qian Zhejie
Structure is complicated, and the latter is leaked electricity in order to prevent, it is necessary to which ability water cooling after power-off, power-off stop cooling after heating and will affect temperature control essence
Degree and production efficiency.
Utility model content
The utility model aims to solve at least the technical problems existing in the prior art, especially innovatively proposes a kind of note
Molding machine barrel temperature control device.
In order to realize the above-mentioned purpose of the utility model, the utility model provides a kind of barrel temperature control of injection mold dress
It sets, including barrel, the multiple independently-powered electromagnetic heating coils being wrapped on barrel different location, is located at electromagnetic heating coil
Heat-conducting layer and electromagnetic heating power supply between barrel；
Multiple output ends of the electromagnetic heating power supply are electrically connected with the first end of each electromagnetic heating coil respectively, and electromagnetism adds
The common end of thermoelectric generator is electrically connected with the second end of each electromagnetic heating coil respectively.
Above-mentioned technical proposal has the beneficial effect that according to by barrel partition heating, using the multi output electromagnetic heating having
Power supply gives each coil power supply, convenient for controlling the temperature in each region of barrel, the accurate control to heating temperature is better achieved, mentions
The quality of high injecting products.
It further include cooling unit in a kind of preferred embodiment of the utility model, during the electromagnetic heating coil is
Hollow structure, the cooling working medium delivery outlet of the cooling unit by isolated pipe respectively with each electromagnetic heating coil hollow cavity
First end connection, recycling interface of the second end of electromagnetic heating coil hollow cavity by isolated pipe respectively with cooling unit connect
It connects, is equipped with the insulating layer for preventing cooling working medium from contacting with electromagnetic heating coil in the electromagnetic heating coil inner surface.
Above-mentioned technical proposal has the beneficial effect that electromagnetic heating coil is hollow structure, and is passed through in hollow cavity cold
But working medium accelerates the cooling rate of barrel, to save reloading the time for barrel；Meanwhile by the flowing of cooling working medium, make to expect
The temperature of cylinder is integrally consistent；In addition, not having to worry electric leakage, it is cooling to accelerate barrel to be passed through cooling working medium without power-off
Speed improves accuracy of temperature control and production efficiency.
In a kind of preferred embodiment of the utility model, the insulating layer is organosilicon fire-resistant skin of paint.
Above-mentioned technical proposal has the beneficial effect that organosilicon fire-resistant skin of paint can bear higher temperature, and insulation performance
It is good.
In a kind of preferred embodiment of the utility model, the cooling working medium is water.
Above-mentioned technical proposal has the beneficial effect that cost is relatively low, good flowing properties.
In a kind of preferred embodiment of the utility model, electromagnetic heating coil is copper pipe.
The conductivity for having the beneficial effect that copper of above-mentioned technical proposal is high, is easy magnetization.
In a kind of preferred embodiment of the utility model, manually-operated gate is provided on the isolated pipe.
Above-mentioned technical proposal has the beneficial effect that can open valve manually by production technology is cooled down.
It further include that controller and multiple be arranged on barrel are located at respectively in a kind of preferred embodiment of the utility model
Temperature sensor at electromagnetic heating coil；
The output end of the temperature sensor and the signal input part of controller connect, the data-interface and electromagnetism of controller
The communication port of heating power supply connects.
Having the beneficial effect that for above-mentioned technical proposal carries out real-time monitoring to barrel temperature, is easy to implement to barrel temperature
Accurate control.
In a kind of preferred embodiment of the utility model, solenoid valve, the electricity are provided on the isolated pipe
The switch terminals of magnet valve are electrically connected with the first control terminal of controller.
Above-mentioned technical proposal has the beneficial effect that it is not necessary that manually, controller opens or closes cooler according to production procedure
Group realizes fully-automatic production, improves production efficiency.
In a kind of preferred embodiment of the utility model, the heat-conducting layer is mica.
Above-mentioned technical proposal has the beneficial effect that mica has good heating conduction and insulation performance.
Detailed description of the invention
Fig. 1 is the system block diagram of barrel temperature control of injection mold device in one specific embodiment of the utility model；
Fig. 2 is the signal acquisition figure of barrel temperature control of injection mold device in one specific embodiment of the utility model.
Appended drawing reference:
1 barrel；2 electromagnetic heating coils；3 heat-conducting layers；4 electromagnetic heating power supplys；5 cooling units；6 hoppers；7 molds；8 oil
Cylinder dynamical system；9 controllers；10 temperature sensors.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the company being also possible to inside two elements
It is logical, it can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can
To understand the concrete meaning of above-mentioned term as the case may be.
The utility model discloses a kind of barrel temperature control of injection mold devices, as shown in Figure 1, including barrel 1, being wrapped in
Multiple independently-powered electromagnetic heating coils 2 on 1 different location of barrel, between electromagnetic heating coil 2 and barrel 1
Heat-conducting layer 3 and electromagnetic heating power supply 4；Multiple output ends of electromagnetic heating power supply 4 respectively with each electromagnetic heating coil 2
One end electrical connection, the common end of electromagnetic heating power supply 4 is electrically connected with the second end of each electromagnetic heating coil 2 respectively.
In the present embodiment, preferred electromagnetic heating coil 2 is spirally wound on barrel 1, is led in electromagnetic heating coil 2
Enter the high-frequency high-voltage current of the output of electromagnetic heating power supply 4, coil inside space can generate the alternating magnetic field of high speed variation, work as iron content
When the barrel 1 of matter is disposed within, 1 surface of barrel has the magnetic line of force of cutting alternating magnetic field, generates in 1 surface metal part of barrel
The electric current (being vortexed) of alternation, vortex makes the carrier high speed random motion of barrel 1, and carrier collides with each other, rubs and produce
Heat energy, to play the effect of heating cylinder 1.The common end of electromagnetic heating power supply 4 is the ground terminal or each of electromagnetic heating power supply 4
The idiostatic reflux end of road output.
In the present embodiment, as shown in Figure 1, electromagnetic heating coil 2 is provided with 3 along 1 length direction of barrel, respectively
For the first electromagnetic heating coil, the second electromagnetic heating coil and third electromagnetic heating coil.Electromagnetic heating coil 2 can be band insulation
The conductor wire or contact tube with hollow structure of layer.Heat-conducting layer 3 is preferably the mica production that heating conduction is good but insulate,
As shown in Figure 1, heat-conducting layer 3 can be to be sheathed on outside barrel 1, can be spliced by mica sheet by the shape of barrel 1, this is thermally conductive
It is cooling that layer 3 accelerates 1 temperature of barrel.
In the present embodiment, electromagnetic heating power supply 4 be preferably but not limited to selection Guangdong electronics corporation, Eastcom can be simultaneously
The electromagnetic heating controller 9 of 4 road high-frequency high-voltage current signals is exported, 4 coil power supplies can be given simultaneously.
In a kind of injection molding temperature control system comprising barrel temperature control of injection mold device, as shown in Figure 1, further including expecting
The oil cylinder dynamical system 8 for pushing material to squeeze out from the nozzle of barrel 1 after the completion of 1 heating of cylinder, is provided on barrel 1 for feeding
Hopper 6, the nozzle of barrel 1 is connected to the pouring slot of mold 7.
In a kind of preferred embodiment of the utility model, as shown in Figure 1, further including cooling unit 5, electromagnetic heating line
Circle 2 is hollow structure, and the cooling working medium delivery outlet of cooling unit 5 is hollow with each electromagnetic heating coil 2 respectively by isolated pipe
The first end of cavity connects, and the second end of 2 hollow cavity of electromagnetic heating coil passes through isolated pipe time with cooling unit 5 respectively
Interface connection is received, is equipped with the insulation for preventing cooling working medium from contacting with electromagnetic heating coil 2 in 2 inner surface of electromagnetic heating coil
Layer.
In the present embodiment, bosher's choosing of fine quality but it is not limited to water, liquid carbon dioxide, freon, some inorganic
Compound etc..Since cost is relatively low for water cooling, be easy to control, cooling working medium be the mechanism of the cooling unit 5 of water more simply, this
In embodiment, water chiller is selected, the Worm type water-cooled unit of MGSL high-temperature water cooling of the gloomy refrigeration company of U.S. can be selected, go out
Coolant-temperature gage is 0-30 DEG C, and cooling load is big, and there is purifier in inside, and exporting pure water to prevent fouling can be effectively controlled water flow
Amount makes leaving water temperature be no more than 60 DEG C, can accelerate the cooling of barrel 1, to carry out the operation such as reload.
In the present embodiment, insulating layer is preferably organosilicon fire-resistant skin of paint, and the organosilicon that double lion boards may be selected is resistance to
High temperature paint, temperature resistant range are 300 DEG C to 1200 DEG C, meet injection molding and require.Insulating layer can by way of pouring into coating shape
At.
In the present embodiment, the optional refractory ceramics of isolated pipe is made, hollow with electromagnetic heating coil 2 at it
The both ends of cavity and the junction of insulating layer, are sealed processing, avoid cooling refrigerant leakage.
In the present embodiment, electromagnetic heating coil 2 can be metal tube, preferably copper pipe.
In a kind of preferred embodiment of the utility model, manually-operated gate is provided on isolated pipe.
In the present embodiment, the isolated pipe at the second end and/or first end of 2 hollow cavity of electromagnetic heating coil
Upper setting manually-operated gate.
It further include that controller 9 and multiple settings are upper in barrel 1 in a kind of preferred embodiment of the utility model
Temperature sensor 10 at each electromagnetic heating coil 2；
The output end of temperature sensor 10 is connect with the signal input part of controller 9, the data-interface and electromagnetism of controller 9
The communication port of heating power supply 4 connects.
In the present embodiment, as shown in Fig. 2, being provided with three temperature sensors near 3 electromagnetic heating coils 2
10, the probe of temperature sensor 10 preferably protrudes into inside barrel 1, so as to the temperature expected in real-time monitoring barrel 1.Temperature passes
Platinum resistance or K-type thermocouple may be selected in sensor 10.Single-chip microcontroller may be selected in controller 9, such as has A/D acquisition module and communication serial port
STM32F4, connect by the RS232 serial ports on single-chip microcontroller with the RS232 serial communication of electromagnetic heating power supply 4.In controller 9
The target temperature in each region of barrel 1 is prestored in internal storage unit, controller 9 acquires port difference by multiple A/D
The output temperature value of each temperature sensor 10 is acquired, and by the temperature value compared with corresponding target temperature, calculating difference, and will
Difference is sent to the control centre of electromagnetic heating power supply 4 by serial ports, and control centre adjusts the output end of electromagnetic heating power supply 4
Size of current, and then reach the accurate control to each regional temperature of barrel 1.
In a kind of preferred embodiment of the utility model, solenoid valve is provided on isolated pipe, solenoid valve is opened
First control terminal of Guan Duanyu controller 9 is electrically connected.
In the present embodiment, the isolated pipe at the second end and/or first end of 2 hollow cavity of electromagnetic heating coil
Upper setting solenoid valve.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (9)
1. a kind of barrel temperature control of injection mold device, which is characterized in that including barrel (1), be wrapped in barrel (1) different location
On multiple independently-powered electromagnetic heating coils (2), the heat-conducting layer between electromagnetic heating coil (2) and barrel (1)
(3) and electromagnetic heating power supply (4)；
Multiple output ends of the electromagnetic heating power supply (4) are electrically connected with the first end of each electromagnetic heating coil (2) respectively, electromagnetism
The common end of heating power supply (4) is electrically connected with the second end of each electromagnetic heating coil (2) respectively.
2. barrel temperature control of injection mold device as described in claim 1, which is characterized in that further include cooling unit (5), institute
Stating electromagnetic heating coil is hollow structure, the cooling working medium delivery outlet of the cooling unit (5) by isolated pipe respectively and respectively
The first end of electromagnetic heating coil (2) hollow cavity connects, and the second end of electromagnetic heating coil (2) hollow cavity passes through insulation tube
Road is connect with the recycling interface of cooling unit (5) respectively, is equipped in the electromagnetic heating coil (2) inner surface for preventing from cooling down
The insulating layer that working medium is contacted with electromagnetic heating coil (2).
3. barrel temperature control of injection mold device as claimed in claim 2, which is characterized in that the insulating layer is that organosilicon is resistance to
High temperature skin of paint.
4. barrel temperature control of injection mold device as claimed in claim 2, which is characterized in that the cooling working medium is water.
5. barrel temperature control of injection mold device as claimed in claim 1 or 2, which is characterized in that electromagnetic heating coil (2) is
Copper pipe.
6. barrel temperature control of injection mold device as claimed in claim 2, which is characterized in that be arranged on the isolated pipe
There is manually-operated gate.
7. barrel temperature control of injection mold device as claimed in claim 2, which is characterized in that further include controller (9) and more
It is a that the temperature sensor (10) being located at each electromagnetic heating coil (2) is set on barrel (1)；
The output end of the temperature sensor (10) is connect with the signal input part of controller (9), the data-interface of controller (9)
It is connect with the communication port of electromagnetic heating power supply (4).
8. barrel temperature control of injection mold device as claimed in claim 7, which is characterized in that be arranged on the isolated pipe
There is solenoid valve, the switch terminals of the solenoid valve are electrically connected with the first control terminal of controller (9).
9. barrel temperature control of injection mold device as described in claim 1, which is characterized in that the heat-conducting layer (3) is mica.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821466081.4U CN208930663U (en) | 2018-09-07 | 2018-09-07 | A kind of barrel temperature control of injection mold device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821466081.4U CN208930663U (en) | 2018-09-07 | 2018-09-07 | A kind of barrel temperature control of injection mold device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208930663U true CN208930663U (en) | 2019-06-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821466081.4U Expired - Fee Related CN208930663U (en) | 2018-09-07 | 2018-09-07 | A kind of barrel temperature control of injection mold device |
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| CN (1) | CN208930663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519165A (en) * | 2020-12-04 | 2021-03-19 | 宁波威力仕高科机械有限公司 | Temperature control structure of injection molding machine |
-
2018
- 2018-09-07 CN CN201821466081.4U patent/CN208930663U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519165A (en) * | 2020-12-04 | 2021-03-19 | 宁波威力仕高科机械有限公司 | Temperature control structure of injection molding machine |
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Legal Events
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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: 20190604 Termination date: 20210907 |