CN108995164A - Texture photo frame multilayer extrusion device - Google Patents
Texture photo frame multilayer extrusion device Download PDFInfo
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- CN108995164A CN108995164A CN201810685509.2A CN201810685509A CN108995164A CN 108995164 A CN108995164 A CN 108995164A CN 201810685509 A CN201810685509 A CN 201810685509A CN 108995164 A CN108995164 A CN 108995164A
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Abstract
The present invention proposes texture photo frame multilayer extrusion device, including dragger, mouth mold, stock mould, extrusion main unit, extrusion slave；The extrusion main unit includes main-machine screw, host barrel, host die head；The host die head includes the interior guide shell for setting conducting element；The conducting element connects with main-machine screw；It squeezes out slave and is equipped with the slave die head being connected with mouth mold side, multiple cladding channels that the mouth mold includes the major ingredient channel communicated with host die head and communicates with slave die head, when extrusion main unit and extrusion slave work at the same time, the PS foamed material that extrusion main unit squeezes out is shaped to extrusion inner core in mouth mold major ingredient channel, it squeezes out the auxiliary material that slave squeezes out and is overlying on extrusion core surface through cladding channel, and be shaped to extrusion surface layer during extrusion neck ring mold；The extrusion passes through stock mould in the case where drawing machine travel and is fixed to photo frame side billet；The present invention can squeeze out the material of two kinds of different costs simultaneously to produce photo frame edge strip, and can ensure the exterior quality of phase fram regula.
Description
Technical field
The present invention relates to process photo frame production technical fields, especially texture photo frame multilayer extrusion device.
Background technique
Photo frame is common craftwork, and phase fram regula is usually formed with high-grade plastics with extrusion process, if can produce
The middle phase fram regula for extruding production identical appearance quality simultaneously using two kinds of different low cost materials, it will help reduction is produced into
This.
Summary of the invention
The present invention proposes texture photo frame multilayer extrusion device, can squeeze out the material of two kinds of different costs simultaneously to produce photo frame
Edge strip, and can ensure the exterior quality of phase fram regula.
The present invention uses following technical scheme.
Texture photo frame multilayer extrusion device, the extrusion device include dragger, mouth mold, stock mould, for squeeze out PS hair
The extrusion main unit of foam material, the extrusion slave for squeezing out HIPS auxiliary material；The extrusion main unit includes main-machine screw, host material
Cylinder, host die head；The host die head includes the interior guide shell for setting conducting element；The conducting element is in coniform and and main-machine screw
Connect to enhance the extrusion pressure of host die head；The slave that squeezes out is equipped with the slave die head being connected with mouth mold side, the mouth
Multiple cladding channels that mould includes the major ingredient channel communicated with host die head and communicates with slave die head, the cladding channel are located at
The side of mouth mold and cladding channel end is communicated with major ingredient channel squeezes out master when extrusion main unit and when squeezing out slave and working at the same time
The PS foamed material that machine squeezes out is shaped to extrusion inner core in mouth mold major ingredient channel, and it is logical through cladding to squeeze out the auxiliary material that slave squeezes out
Road is overlying on extrusion core surface, and extrusion surface layer is shaped to during extrusion neck ring mold；The extrusion is in dragger
Traction is lower to be passed through stock mould and is fixed to photo frame side billet.
The cladding number of channels is two, and two cladding channels are setting up and down in mouth mold, and the mouth mold is formed with copper.
The mouth mold delivery outlet bore and stock mould delivery outlet bore proportional region are 0.5:1 ~ 0.6:1.
The stock mould rear is equipped with cooling bath；The dragger is set to cooling bath rear；Between dragger and cooling bath
Equipped with for the thermal transfer mechanism in photo frame side billet surface printing texture.
The input port of the stock mould is greater than delivery outlet；The cooling water of flowing is passed in the cooling bath.
The extrusion of the mouth mold is soft extrusion；Light curtain is equipped between the mouth mold and stock mould to injection device；
The light curtain is connected to injection device with hauling speed evaluation module；The hauling speed evaluation module is connected with dragger, described
Plate hanger billet and light curtain between composite die and molding die intersect the light curtain of injection device；The hauling speed assesses mould
Whether block calculates the ratio that light curtain is blocked by billet, and normal with the hauling speed of the current dragger of this ratio estimation, described to lead
Draw machine to be adjusted current hauling speed by the assessment result of hauling speed evaluation module.
The hauling speed evaluation module is to the appraisal procedure of dragger hauling speed；
A, when the soft extrusion between mouth mold and stock mould to light curtain when blocking ratio greater than normal value, hauling speed quilt
It was evaluated as slowly, dragger accelerates hauling speed and is allowed to become to increase pulling force suffered by the soft extrusion between mouth mold and stock mould
Carefully, it reduces and light curtain is blocked；
B, when the soft extrusion between mouth mold and stock mould to light curtain when blocking ratio less than normal value, hauling speed quilt
It was evaluated as slowly, dragger slows down hauling speed to reduce pulling force suffered by the soft extrusion between mouth mold and stock mould and be allowed to become
Slightly, it increases and light curtain is blocked.
The hauling speed range of the dragger is 0.8-15m/min, and the maximum drawbar pull of dragger is 500kg, described
Dragger uses frequency control.
The extrusion main unit squeezes out slave using taper single screw rod as extrusion power；The conducting element of the extrusion main unit
After the pressurization of PS foamed material, PS foamed material foams again after die extrusion；The extruded material for squeezing out slave is not required to
It foams.
The troubleshooting methodology of the extrusion slave of the extrusion device is as follows；
C1, die extrusion part surface blistering and blistering position wrinkle when into stock mould, this failure cause is that extrusion surface layer is thick
The method for removing of thin unevenness, this failure includes；1, it is reduced under the premise of ensureing that extrusion skin depth is higher than threshold value and squeezes out pair
The extruded velocity of machine；2, it reduces host die head temperature but it is made to maintain 150 degree or more；It reduces slave die head temperature but makes its dimension
It holds at 170 degree or more；3, mouth mold is modified to promote the uniformity of extruded material；
C2, die extrusion part surface play easily rupturable bubble or blistering position and extrusion inner core delamination, this failure cause is die head
Temperature is excessively high or HIPS auxiliary material makes moist；The method for removing of this failure includes；1, it reduces host die head temperature but maintains it
150 degree or more；It reduces slave die head temperature but it is made to maintain 170 degree or more；2, HIPS auxiliary material is replaced or HIPS auxiliary material
It is reused after drying；
C3, in the normal situation of skin depth, photo frame side billet falls off on surface layer in cutting, and inner core and table interlayer contact are not
Closely, this failure cause be die extrusion part inner core foaming excessively pine or squeeze out slave plasticization temperature it is too low；The row of this failure
Except method includes；1, adjustment extrusion main unit is so that extrusion inner core foaming rate is moderate；2, the plasticization temperature that adjustment squeezes out slave makes
Between 170 degree to 200 degree；
There is miscellaneous line in C4, die extrusion part surface, this failure cause is in HIPS auxiliary material with the presence of miscellaneous stain or mouth mold exit
The method for removing of the plastics of different contents, this failure includes；1, accelerate the extruded velocity of extrusion slave to squeeze out miscellaneous stain；2, of short duration
It closes after squeezing out slave and restarts；3, mouth mold is cleared up；4, HIPS auxiliary material is replaced.
In the present invention, the host die head includes the interior guide shell for setting conducting element；The conducting element in it is coniform and with master
Machine screw rod connects to enhance the extrusion pressure of host die head；After the conducting element of the extrusion main unit is pressurized PS foamed material, PS
Foamed material foams again after die extrusion；When extrusion main unit and extrusion slave work at the same time, the PS of extrusion main unit extrusion
Foamed material is shaped to extrusion inner core in mouth mold major ingredient channel, squeezes out the auxiliary material that slave squeezes out and is overlying on extrusion through cladding channel
Part core surface, and extrusion surface layer is shaped to during extrusion neck ring mold；The design can allow two kinds of differences of the producer
Material produce the outer layer and inner core of photo frame frame, and squeeze out operation with primary and realize good composite junction between outer layer and inner core
Structure, thus the intensity of lift frame, or reduce the production cost of frame；The design simultaneously increases the extrusion pressure of inner core,
Can effectively lift frame billet surface finish, it is more beneficial to subsequent thermal transfer operation.
In the present invention, the extrusion of the mouth mold is soft extrusion；Light curtain is equipped between the mouth mold and stock mould
To injection device；The light curtain is connected to injection device with hauling speed evaluation module；The hauling speed evaluation module and dragger
It is connected, plate hanger billet and light curtain between the composite die and molding die intersect the light curtain of injection device；The traction
Just whether evaluation of speed module calculates the ratio that light curtain is blocked by billet, and with the hauling speed of the current dragger of this ratio estimation
Often, the dragger is adjusted current hauling speed by the assessment result of hauling speed evaluation module；The design is so that lead
Draw function to pull frame billet with optimal hauling speed；So as to ensure between billet inner core, surface layer different materials
Composite construction can steadily drawing and forming, avoid error when artificial range estimation.
The phase fram regula that the present invention generates is PS material in inner core, and it is better to use impact resistance in superficial layer
HIPS, therefore its exterior aesthetics can be effectively promoted, and under the premise of not influencing photo frame underlying strength, it can effectively save material
Expect cost.
Detailed description of the invention
The present invention is described in more detail with reference to the accompanying drawings and detailed description:
Attached drawing 1 is schematic diagram of the invention；
Attached drawing 2 is the local cutting schematic diagram of mouth mold；
Attached drawing 3 is the schematic diagram of the guide shell of host die head；
Attached drawing 4 is the cut-away illustration of die extrusion part；
In figure: 1- extrusion main unit；2- mouth mold；3- photo frame side billet；6- dragger；12- squeezes out slave；13- light curtain is to injection device；
14- stock mould；15- cooling bath；16- thermal transfer mechanism；23- extrusion inner core；24- extrusion surface layer；The extrusion of 100- mouth mold
Part；The major ingredient channel of 101- mouth mold；The cladding channel of 102- mouth mold；103- mouth mold delivery outlet；104- guide shell；105- host spiral shell
Bar；106- conducting element.
Specific embodiment
As shown in Figs. 1-2, texture photo frame multilayer extrusion device, the extrusion device include dragger 6, mouth mold 2, stock mould
14, the extrusion main unit 1 for squeezing out PS foamed material, the extrusion slave 12 for squeezing out HIPS auxiliary material；The extrusion main unit packet
Include main-machine screw, host barrel, host die head；The host die head includes the interior guide shell 104 for setting conducting element；The conducting element
106 are in coniform and connect with main-machine screw 105 to enhance the extrusion pressure of host die head；The extrusion slave 12 is equipped with and mouth
The connected slave die head in 2 side of mould, the mouth mold include the major ingredient channel 101 communicated with host die head and communicate with slave die head
Multiple cladding channels 102, the cladding channel 102 is located at the side of mouth mold 2 and 102 end of cladding channel and major ingredient channel
101 communicate, and when extrusion main unit is worked at the same time with extrusion slave, the PS foamed material that extrusion main unit squeezes out is in mouth mold major ingredient channel
It is inside shaped to extrusion inner core 23, the auxiliary material that slave squeezes out is squeezed out and is overlying on 23 surface of extrusion inner core through cladding channel, and squeezing
Extrusion surface layer 24 is shaped to during outlet mold；The extrusion passes through stock mould in the case where drawing machine travel and is fixed to phase
Frame side billet 3.
102 quantity of cladding channel be two, two cladding channels are setting up and down in mouth mold, the mouth mold with copper at
Type.
The mouth mold delivery outlet bore and stock mould delivery outlet bore proportional region are 0.5:1 ~ 0.6:1.
The stock mould rear is equipped with cooling bath 15；The dragger 6 is set to cooling bath rear；Dragger and cooling bath it
Between be equipped with for photo frame side billet surface printing texture thermal transfer mechanism 16.
The input port of the stock mould is greater than delivery outlet；The cooling water of flowing is passed in the cooling bath.
The extrusion of the mouth mold is soft extrusion；Light curtain is equipped between the mouth mold and stock mould to injection device
13；The light curtain is connected to injection device with hauling speed evaluation module；The hauling speed evaluation module is connected with dragger, institute
The plate hanger billet and light curtain stated between composite die and molding die intersect the light curtain of injection device；The hauling speed assessment
Whether module calculates the ratio that light curtain is blocked by billet, and normal with the hauling speed of the current dragger of this ratio estimation, described
Dragger is adjusted current hauling speed by the assessment result of hauling speed evaluation module.
The hauling speed evaluation module is to the appraisal procedure of dragger hauling speed；
A, when the soft extrusion between mouth mold and stock mould to light curtain when blocking ratio greater than normal value, hauling speed quilt
It was evaluated as slowly, dragger accelerates hauling speed and is allowed to become to increase pulling force suffered by the soft extrusion between mouth mold and stock mould
Carefully, it reduces and light curtain is blocked；
B, when the soft extrusion between mouth mold and stock mould to light curtain when blocking ratio less than normal value, hauling speed quilt
It was evaluated as slowly, dragger slows down hauling speed to reduce pulling force suffered by the soft extrusion between mouth mold and stock mould and be allowed to become
Slightly, it increases and light curtain is blocked.
The hauling speed range of the dragger is 0.8-15m/min, and the maximum drawbar pull of dragger is 500kg, described
Dragger uses frequency control.
The extrusion main unit squeezes out slave using taper single screw rod as extrusion power；The conducting element of the extrusion main unit
After the pressurization of PS foamed material, PS foamed material foams again after die extrusion；The extruded material for squeezing out slave is not required to
It foams.
The troubleshooting methodology of the extrusion slave of the extrusion device is as follows；
C1, die extrusion part surface blistering and blistering position wrinkle when into stock mould, this failure cause is that extrusion surface layer is thick
The method for removing of thin unevenness, this failure includes；1, it is reduced under the premise of ensureing that extrusion skin depth is higher than threshold value and squeezes out pair
The extruded velocity of machine；2, it reduces host die head temperature but it is made to maintain 150 degree or more；It reduces slave die head temperature but makes its dimension
It holds at 170 degree or more；3, mouth mold is modified to promote the uniformity of extruded material；
C2, die extrusion part surface play easily rupturable bubble or blistering position and extrusion inner core delamination, this failure cause is die head
Temperature is excessively high or HIPS auxiliary material makes moist；The method for removing of this failure includes；1, it reduces host die head temperature but maintains it
150 degree or more；It reduces slave die head temperature but it is made to maintain 170 degree or more；2, HIPS auxiliary material is replaced or HIPS auxiliary material
It is reused after drying；
C3, in the normal situation of skin depth, photo frame side billet falls off on surface layer in cutting, and inner core and table interlayer contact are not
Closely, this failure cause be die extrusion part inner core foaming excessively pine or squeeze out slave plasticization temperature it is too low；The row of this failure
Except method includes；1, adjustment extrusion main unit is so that extrusion inner core foaming rate is moderate；2, the plasticization temperature that adjustment squeezes out slave makes
Between 170 degree to 200 degree；
There is miscellaneous line in C4, die extrusion part surface, this failure cause is in HIPS auxiliary material with the presence of miscellaneous stain or mouth mold exit
The method for removing of the plastics of different contents, this failure includes；1, accelerate the extruded velocity of extrusion slave to squeeze out miscellaneous stain；2, of short duration
It closes after squeezing out slave and restarts；3, mouth mold is cleared up；4, HIPS auxiliary material is replaced.
Embodiment；
Thermal transfer mechanism in this example is gilding press；Preheating warm area is successively arranged in the host barrel on feed direction, is melted
Change warm area and foaming warm area.
It should first check that extrusion main unit and extrusion slave respectively start switch before machine heating whether to close, confirmation can after closing
Power supply is opened to be heated.Machine temperature at least heats one hour after setting, then keeps the temperature half an hour, can be switched on.
Warm area and the host nature for squeezing out slave are different.The raw material of slave is not need to foam, and directly melts and squeezes out
?.Warm area there are five point, C1 warm area are raw material preheating area；C2, C3, C4, C5 warm area contribute to the thawing of raw material.Temperature
Set 170-200 degree from low to high.But it does not need to cool down after being switched on, is always maintained at the temperature of setting.What slave was heated and was kept the temperature
Time is as host.
Mold installation: the lines model installation mold specified by order.Mouth mold is first filled, die head is cleaned out.There is cladding
The one of hole faces die head, is fixed with four 10# screws, (screw preferably adds a little high temperature butter when installation, cannot first twist too tightly,
It is reinforced again after heating.) stock mould is mounted on the snap-gauge of cooling bath (cooling trough), installation will securely, the alignment of mold mouth
Copper mold exports keeping parallelism.Finally plug vacuum tube.Mouth mold (copper mold) heats 5 minutes right and lefts and can be switched on.
Check whether each warm area temperature is normal before booting.Whether vacuum is unimpeded.Whether light-operated (light curtain is to injection device) can be just
Often running.The cooling water of sink is added to and is higher by 2 centimetres of position than mold.Start host, slave and dragger switch.
Speed cannot be too fast when starting, and observing machine electric current can not be excessively high.(such as machine electric current indicates machine temperature beyond rated load
Inclined bottom or machine rotational speed are too slow.) expect slowly to accelerate again after extruding.According to the size of the configuration of raw material and lines after machine startup
Required temperature is readjusted, big lines materials need host extrusion output big more.Engine speed need to accelerate temperature and want relatively low.And small line
Materials lack that extrusion output is small, and engine speed is slow, and relative temperature wants higher.Typical temperature setting preheating warm area is than other temperature
It is low.(pressure that can increase extrusion) melts warm area from high to low, the general warm area that foams point more relatively low than the temperature for melting warm area.Die head
Temperature is maintained at 150-155 degree or so.The temperature of (160 degree or so of small lines) water conservancy diversion is more relatively low than the temperature of foaming zone.
(pressure for increasing extrusion again) common rule is: low (preheating), and --- high (thawing) --- low (foaming) --- is low (to lead
Stream) --- high (mouth mold).After expecting outlet mold, draw and attenuate, then penetrated from the import of stock mould.At this time it is noted that blocking the outlet of mold
Prevent water outflow from flowing in mouth mold along lines.The import to dragger is drawn with balanced speed with manpower when tie rod, (lines are wanted
Passed through from the centre of gilding press) notice that hand cannot follow lines to be brought into dragger.Lines are put into machine pressure after dragger
Tightly, it keeps to drive.After lines are drawn, the speed of extrusion is adjusted, further according to the speed of the size adjustment dragger of discharging.
Just full state is kept to enter stock mould.Vacuum is opened, and ensures that cooling water cannot flow on the lines of feed inlet.(such as
Material is easily broken off just not cooled down lines into stock mould, or hardening is occurred and can not be formed).
The speed for squeezing out slave not opened generally too greatly, according to the demand on lines surface, keep the gold stamping rear surface of gilding press
It is smooth not have point.
Lines, which enter after squeezing out in the shaper being mounted at cooling trough, to be cooled and shaped.By mold into
The suction of vacuum, makes lines reach the shape of mold at mouthful.Lines enter mold and have a certain proportion of receipts after being cooled and shaped
Contracting.So mold is that import is bigger than exporting.The workmanship of mold requires very fine, smooth, assembling sealing, vacuum smooth
It is logical.General small lines vacuum does not need to open too greatly, and suction is big, will cause corresponding resistance and keeps traction uneven, leads to lines
Molding is uneven.And too big two pulls of vacuum of lines are inadequate, the groove and right angle of lines cannot reach the shape of mold.(one
As big mold need to increase by two vacuum tubes).Cooling water temperature is also very crucial after lines molding, will have a direct impact on life
The speed of production.The lower molding of water temperature and cooling are just fast, and contraction is not too large, and speed can accordingly mention fastly.Usual water temperature is higher, cold
But speed is slower, and shrinkage is also big, and speed is opposite to be slowed down.To reduce water temperature, cooling water will use mobility.In sink
The capacity and mobility of cooling water are bigger, and water temperature will be lower, can be more preferably using refrigeration modes.
After the cooling and shaping of photo frame side billet, thermal transfer mechanism (gilding press) carries out hot-pressing transfer printing to it to generate surface line
Pattern is managed, different color thermoprints can be selected in different positions, to make lines in the coining for " PS " photo frame foaming lines
Reach different texture.There is opposite difference according to the temperature of coining needed for various orange cold foils of different nature.
The orange cold foil transferred by water eraser type operation property can be used in production, hot stamping is convex in lines after the completion
Position out is wiped with wet towel, and (can be more preferably with alcohol adhesional wetting towel wiping effect) reflects different color matter
Sense.It can also be using the orange cold foil of ink and luminous associativity, by heating operation after thermoprint, to embody: slight crack, recessed
A variety of lines such as convex, slide mark, corrosion reach the diversification of product in conjunction with natural color.
It is equipped with transfer rubber wheel at the thermal transfer unit and covers in heating mantles of the transfer rubber wheel wheel at；When thermal transfer unit
When work, the heating mantles, which are evenly heated the wheel edge of the transfer rubber wheel of rotation status, makes its keep operating temperature；The design can
So that the wheel of transfer rubber wheel is uniform along temperature, thus when transfer rubber wheel rotation driving heat transfer film band is allowed to be pressed on plate hanger base
It when surface, can ensure that the film strips heating temperature during thermal transfer is constant, carry out line to be promoted to plate hanger billet surface
Manage transfer quality when thermal transfer.
In this example, traction mechanism is clamped with the rubber belt track face of two pedrail mechanisms and pulls plate hanger billet.
It in this example, is equipped at dragger rear and cuts out mechanism, the mechanism of cutting out includes cutting slide unit and slides set on cutting
Contact-making switch after platform at methods, rack；Pressing plate, cutting blade and cutting blade driving mechanism are equipped at the cutting slide unit；It is described
Contact-making switch is the Cutting Length of edge frame of photo frame item at a distance from cutting blade；When plate hanger billet is backward into mechanism is cut out
Contact-making switch is mobile, and after plate hanger billet triggers contact-making switch, the cutting slide unit is synchronous along plate hanger billet conveying direction
Mobile, the movement speed for cutting slide unit is identical as plate hanger billet so that cutting blade, pressing plate keep opposite to plate hanger billet
Static, then pressing plate pushes down plate hanger billet in front of cutting blade, and cutting blade cuts plate hanger billet, cuts
Edge frame of photo frame item is fallen within after cutting slide unit at methods, rack.
Claims (10)
1. texture photo frame multilayer extrusion device, it is characterised in that: the extrusion device includes dragger, mouth mold, stock mould, is used for
The extrusion main unit of extrusion PS foamed material, the extrusion slave for squeezing out HIPS auxiliary material；The extrusion main unit include main-machine screw,
Host barrel, host die head；The host die head includes the interior guide shell for setting conducting element；The conducting element in it is coniform and with master
Machine screw rod connects to enhance the extrusion pressure of host die head；The slave that squeezes out is equipped with the slave die head being connected with mouth mold side,
Multiple cladding channels that the mouth mold includes the major ingredient channel communicated with host die head and communicates with slave die head, the cladding are logical
Road is located at the side of mouth mold and cladding channel end is communicated with major ingredient channel, when extrusion main unit is worked at the same time with extrusion slave,
The PS foamed material that extrusion main unit squeezes out is shaped to extrusion inner core in mouth mold major ingredient channel, squeezes out the auxiliary material warp that slave squeezes out
Cladding channel is overlying on extrusion core surface, and extrusion surface layer is shaped to during extrusion neck ring mold；The extrusion exists
Pass through stock mould under traction machine travel and is fixed to photo frame side billet.
2. texture photo frame multilayer extrusion device according to claim 1, it is characterised in that: the cladding number of channels is two
A, two cladding channels are setting up and down in mouth mold, and the mouth mold is formed with copper.
3. texture photo frame multilayer extrusion device according to claim 1, it is characterised in that: the mouth mold delivery outlet bore with
Stock mould delivery outlet bore proportional region is 0.5:1 ~ 0.6:1.
4. texture photo frame multilayer extrusion device according to claim 1, it is characterised in that: the stock mould rear is equipped with cold
But slot；The dragger is set to cooling bath rear；It is equipped between dragger and cooling bath for being printed on photo frame side billet surface
The thermal transfer mechanism of texture.
5. texture photo frame multilayer extrusion device according to claim 4, it is characterised in that: the input port of the stock mould is big
In delivery outlet；The cooling water of flowing is passed in the cooling bath.
6. texture photo frame multilayer extrusion device according to claim 4, it is characterised in that: the extrusion of the mouth mold is soft
The extrusion of matter；Light curtain is equipped between the mouth mold and stock mould to injection device；The light curtain comments injection device and hauling speed
Estimate module to be connected；The hauling speed evaluation module is connected with dragger, the photo frame between the composite die and molding die
Frame billet intersects with light curtain of the light curtain to injection device；The hauling speed evaluation module calculates the ratio that light curtain is blocked by billet,
And it is whether normal with the hauling speed of the current dragger of this ratio estimation, the dragger presses the assessment of hauling speed evaluation module
As a result current hauling speed is adjusted.
7. texture photo frame multilayer extrusion device according to claim 6, it is characterised in that: the hauling speed evaluation module
Appraisal procedure to dragger hauling speed is；
A, when the soft extrusion between mouth mold and stock mould to light curtain when blocking ratio greater than normal value, hauling speed quilt
It was evaluated as slowly, dragger accelerates hauling speed and is allowed to become to increase pulling force suffered by the soft extrusion between mouth mold and stock mould
Carefully, it reduces and light curtain is blocked；
B, when the soft extrusion between mouth mold and stock mould to light curtain when blocking ratio less than normal value, hauling speed quilt
It was evaluated as slowly, dragger slows down hauling speed to reduce pulling force suffered by the soft extrusion between mouth mold and stock mould and be allowed to become
Slightly, it increases and light curtain is blocked.
8. texture photo frame multilayer extrusion device according to claim 6, it is characterised in that: the hauling speed of the dragger
Range is 0.8-15m/min, and the maximum drawbar pull of dragger is 500kg, and the dragger uses frequency control.
9. texture photo frame multilayer extrusion device according to claim 1, it is characterised in that: the extrusion main unit squeezes out pair
Machine is using taper single screw rod as extrusion power；After the conducting element of the extrusion main unit is pressurized PS foamed material, PS foaming material
Material foams again after die extrusion；The extruded material for squeezing out slave does not need to foam.
10. texture photo frame multilayer extrusion device according to claim 1, it is characterised in that: the extrusion of the extrusion device
The troubleshooting methodology of slave is as follows；
C1, die extrusion part surface blistering and blistering position wrinkle when into stock mould, this failure cause is that extrusion surface layer is thick
The method for removing of thin unevenness, this failure includes；1, it is reduced under the premise of ensureing that extrusion skin depth is higher than threshold value and squeezes out pair
The extruded velocity of machine；2, it reduces host die head temperature but it is made to maintain 150 degree or more；It reduces slave die head temperature but makes its dimension
It holds at 170 degree or more；3, mouth mold is modified to promote the uniformity of extruded material；
C2, die extrusion part surface play easily rupturable bubble or blistering position and extrusion inner core delamination, this failure cause is die head
Temperature is excessively high or HIPS auxiliary material makes moist；The method for removing of this failure includes；1, it reduces host die head temperature but maintains it
150 degree or more；It reduces slave die head temperature but it is made to maintain 170 degree or more；2, HIPS auxiliary material is replaced or HIPS auxiliary material
It is reused after drying；
C3, in the normal situation of skin depth, photo frame side billet falls off on surface layer in cutting, and inner core and table interlayer contact are not
Closely, this failure cause be die extrusion part inner core foaming excessively pine or squeeze out slave plasticization temperature it is too low；The row of this failure
Except method includes；1, adjustment extrusion main unit is so that extrusion inner core foaming rate is moderate；2, the plasticization temperature that adjustment squeezes out slave makes
Between 170 degree to 200 degree；
There is miscellaneous line in C4, die extrusion part surface, this failure cause is in HIPS auxiliary material with the presence of miscellaneous stain or mouth mold exit
The method for removing of the plastics of different contents, this failure includes；1, accelerate the extruded velocity of extrusion slave to squeeze out miscellaneous stain；2, of short duration
It closes after squeezing out slave and restarts；3, mouth mold is cleared up；4, HIPS auxiliary material is replaced.
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|---|---|---|---|
| CN201810685509.2A CN108995164A (en) | 2018-06-28 | 2018-06-28 | Texture photo frame multilayer extrusion device |
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| CN201810685509.2A CN108995164A (en) | 2018-06-28 | 2018-06-28 | Texture photo frame multilayer extrusion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110464072A (en) * | 2019-08-22 | 2019-11-19 | 孙帅 | A kind of sealing machine for hot air slit orifice of fixed rainwear |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Address after: 355200 Shuangyue Road, Shuangyue Industrial Park, Fuding City, Ningde City, Fujian Province Applicant after: Fujian Yinghao Cultural Creative Co., Ltd. Address before: 355200 E-5, Shuangyue Industrial Concentration Zone, Lantian Mountain Front, Fuding City, Ningde City, Fujian Province Applicant before: FUJIAN YINGHAO ART CRAFT CO., LTD. |
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Application publication date: 20181214 |