The utility model content
The technical problems to be solved in the utility model is, at the above-mentioned defective of prior art, provide abundant, reliable, the cooled thermoplastic composite physical dimension of a kind of cooling and shaping to stablize, coat the evenly non-wrinkled vacuum sizing device of smooth, smooth-shaped.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of vacuum sizing device, comprise the typing platform, described typing platform is provided with vacuum cooled mechanism, the spray cooling body that thermoplastic composite is cooled off, described vacuum cooled mechanism and spray cooling body arrange in turn, described vacuum cooled mechanism comprises and is provided with the stock mould with typing chamber in the cooling bath of splendid attire cooling fluid, the described cooling bath, described shaper is contained in outside the thermoplastic composite of motion, and described stock mould is connected with and vacuumizes assembly to what stock mould vacuumized.
In the described vacuum sizing device, described stock mould arranges a plurality of at interval, and the outlet of described stock mould is moved at a plurality of stock mould cathetus with the corresponding thermoplastic composite that makes of entrance of adjacent stock mould.
In the described vacuum sizing device, the outlet of all stock moulds and the axis of entrance overlap.
Described stock mould comprises upper cover plate, upper die body, lower mold body and the lower cover that cooperatively interacts and connect from top to bottom, described upper die body and lower mold body surround the typing chamber, the upper die body that described upper die body is respectively equipped with upper die body cooling liquid bath, be communicated with the chamber of finalizing the design vacuumizes the chamber, described upper die body vacuumizes the chamber and vacuum tube is tightly connected, described lower mold body is provided with the lower mold body that is communicated with the chamber of finalizing the design and vacuumizes chamber, lower mold body cooling liquid bath, and described lower mold body vacuumizes the chamber and vacuum tube is tightly connected.
In the described vacuum sizing device, the described assembly that vacuumizes comprises vavuum pump, aqueous vapor separator box, and described vavuum pump is connected with stock mould by the aqueous vapor separator box.
In the described vacuum sizing device, described aqueous vapor separator box is connected with integrated of the cooling that has inner chamber, and each described stock mould is respectively by the inner chamber UNICOM of vacuum tube with integrated of cooling.
In the described vacuum sizing device, described aqueous vapor separator box is connected with antivoid valve, separate pump respectively, is provided with check valve after the described separate pump.
In the described vacuum sizing device, described spray cooling body comprise spray groove, to the thermoplastic composite in the spray groove carry out spraying cooling the spray assembly, provide the cooling fluid storing mechanism of cooling fluid to the spray assembly.
In the described vacuum sizing device, described spray assembly comprises and the shower of cooling fluid storing mechanism UNICOM that described shower is provided with delivery pump, and the shower front end is provided with spray head; Described cooling fluid storing mechanism comprises cooling fluid storage box, fluid level controller.
In the described vacuum sizing device, be arranged at intervals with a plurality of guide rollers in the described spray groove, described thermoplastic composite is along the roll surface rectilinear motion of guide roller.
In the described vacuum sizing device, described guide roller is horizontally disposed with or/and vertically arrange.
In the described vacuum sizing device, the roll surface of described guide roller is provided with the groove that the heat supply plastic composite materials inserts, and described groove carries out spacing guiding to thermoplastic composite.
In the described vacuum sizing device, described spray cooling body rear is provided with carries out air-cooled mechanism dry and that further cool off to thermoplastic composite.
In the described vacuum sizing device, described typing platform below is provided with for the position adjusting mechanism of adjusting typing platform position.
In the described vacuum sizing device, described position adjusting mechanism comprises the horizontal guiding mechanism of the elevating mechanism of adjusting typing platform height, vertical guiding mechanism of adjusting typing platform lengthwise position and adjustment typing platform lateral attitude.
In the described vacuum sizing device, described vacuum sizing device also comprises the interior compression set type mechanism of cavity inflation in the thermoplastic composite.
The main body of vacuum sizing device of the present utility model comprises vacuum cooled mechanism and spray cooling body; these two mechanisms are respectively to the thermoplastic composite typing of lowering the temperature; wherein vacuum cooled mechanism is at first to the thermoplastic composite typing of lowering the temperature; by stock mould is arranged in the cooling bath; cooling fluid in the cooling bath is introduced in the typing chamber of stock mould; the thermoplastic composite that passes through in the typing chamber is cooled off; extract out by vacuumizing the intensification cooling fluid that assembly will finalize the design in the chamber again; the cooling fluid of the low temperature in the cooling bath enters into the typing chamber; by cooling fluid fast cooling is carried out on the thermoplastic composite surface, make the thermoplastic composite surface form the protective layer of the smooth densification of one deck.Eliminate the defective that occurs wrinkle in the calibrator typing of prior art on the thermoplastic composite surface, improved the thermoplastic composite surface quality; Cooling fluid also reduces the temperature of stock mould itself simultaneously, further guarantees the thermoplastic composite surface quality.Then carry out further degree of depth cooling by the spray cooling body again, the spray cooling body adopts the mode of spray, can form turbulent flow on the thermoplastic composite surface of cooling off of waiting to finalize the design, form the liquid film that is unfavorable for heat conduction with the thermoplastic composite surface that prevents from soaking in water, further thermoplastic composite surface heat is taken away fast, made that thermoplastic composite can the fast cooling typing.
The utility model with temperature higher and quality is softer, the thermoplastic composite of the cooling of waiting to finalize the design through vacuum cooled mechanism and spray cooling body after, can finish cooling and shaping, make the thermoplastic composite cooling and shaping fully, reliably, adopt two kinds of different types of cooling to be used in conjunction simultaneously, produce complementary effect, solve the shortcoming of single cooling and shaping, improved the efficient of cooling and shaping greatly, simultaneously also reduce whole plant bulk, reduced the device manufacturing cost.And thermoplastic composite has after cooling, and physical dimension is stable, the even smooth characteristics of coating, has guaranteed the quality of product.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
Orientation definition: before in the utility model with the orientation of contact thermoplastic composite earlier being, after the orientation of back contact thermoplastic composite is.
After Vacuum shaping of the present utility model mechanism is arranged on extrusion molding apparatus, the thermoplastic composite of extrusion molding apparatus moulding is carried out quick cooling and shaping.
As shown in Figure 1, a kind of vacuum sizing device comprises typing platform 1, and described typing platform 1 is provided with vacuum cooled mechanism 2, the spray cooling body 3 that thermoplastic composite 100 is cooled off, and described vacuum cooled mechanism 2 and spray cooling body 3 arrange in turn.
Typing platform 1 is the supporting mechanism of whole device, and most mechanism part is to be arranged on typing platform 1 top, and part body and parts are arranged on the below of typing platform 1.Wherein vacuum cooled mechanism 2 and spray cooling body 3 are arranged on typing platform 1 top, and are fixed on the typing platform 1.When being provided with position adjusting mechanism, then position adjusting mechanism is arranged on typing platform 1 below.Because the motion of thermoplastic composite 100 is rectilinear motions, for avoiding unnecessary touching, the table top of typing platform 1 preferably is set to level table, and then the parts that arrange at typing platform 1 table top can be horizontally disposed with.
As shown in Figure 1, described vacuum cooled mechanism 2 comprises and is provided with the stock mould 20b with typing chamber in the cooling bath 20a of splendid attire cooling fluid, the described cooling bath 20a, described stock mould 20b is sleeved on outside the thermoplastic composite 100 of motion, and described stock mould 20b is connected with and vacuumizes assembly to what stock mould 20b vacuumized.
The effect of cooling bath 20a is the splendid attire cooling fluid, just requires cooling bath 20a to have certain length, carries out cooling and shaping for the thermoplastic composite 100 that moves, and other do not limit the shape of cooling bath 20a.Because in the cooling bath 20a stock mould 20b is set, the structure of stock mould 20b is box body structure, the bottom land of preferred cooling bath 20a is the plane, makes things convenient for the fixing and setting of stock mould 20b.The entrance of cooling fluid is arranged on cooling bath 20a bottom among the cooling bath 20a, entrance is connected with the outer circulation cooling system by pipeline, cooling fluid is injected cooling bath 20a, the other end at cooling bath 20a is provided with overflow pipe, the mouth of pipe height of overflow pipe is lower than the cell wall end face of cooling bath, the mouth of pipe that the liquid level of cooling fluid is higher than overflow pipe in cooling bath 20a namely flows into this mouth of pipe and keeps liquid level constant, gives cooling bath 20a supply cryogenic liquid, discharges high temperature coolant.
The effect of stock mould 20b is that cooling and shaping and the effect that vacuumizes the assembly cooperation are the wrinkle defectives of having eliminated thermoplastic composite 100 surfaces, improves thermoplastic composite 100 surface quality.Described stock mould 20b arranges a plurality of at interval, and stock mould 20b is fixed on the groove bottom of cooling bath 20a.Described stock mould 20b is provided with import and outlet, the typing chamber of heat supply plastic composite materials 100 turnover stock moulds, and the outlet of described stock mould 20b is moved at a plurality of stock mould 20b cathetus with the corresponding thermoplastic composite 100 that makes of entrance of adjacent stock mould 20b.Preferred a plurality of stock mould 20b is arranged in a linear, and the axis of the outlet of all stock mould 20b and entrance overlaps.The position that arranges of stock mould 20b can be evenly to distribute in cooling bath 20a, also can just arrange at front portion and the middle part of cooling bath 20a, present embodiment is to arrange in the front portion of cooling bath 20a and middle part, and the rear portion of cooling bath 20a just adopts the cooling fluid of circulation to cool.The quantity that stock mould 20b arranges is according to shape and the structures shape of thermoplastic composite 100, generally can arrange 2~7, wherein first stock mould 20b of front end and the corresponding setting of the outlet of extrusion die 200 in the extrusion molding apparatus make can directly enter into stock mould 20b cooling and shaping from the thermoplastic composite 100 of extrusion die 200 extrusion moldings.
As shown in Figure 2, stock mould 20b comprises upper cover plate 20b1, upper die body 20b2, lower mold body 20b3 and the lower cover 20b4 that detachably is connected mutually from top to bottom, and described upper die body 20b2 and lower mold body 20b3 surround typing chamber 20b5.Be respectively arranged with the outlet of entrance and the thermoplastic composite 100 of thermoplastic composite 100 in the two side, front and back of stock mould 20b, thermoplastic composite 100 enters the typing chamber 20b5 of stock mould 20b from entrance, passes stock mould 20b from outlet.The entrance and exit shape of stock mould 20b is consistent with the cooperation of thermoplastic composite 100 cross sectional shapes, the entrance and exit matched in clearance of thermoplastic composite 100 and stock mould 20b.Shape and thermoplastic composite 100 form fit of typing chamber 20b5.
Shown in Fig. 2,3,4, the upper die body that described upper die body 20b2 is respectively equipped with upper die body cooling liquid bath 20b6, be communicated with the chamber 20b5 that finalizes the design vacuumizes chamber 20b7, described upper die body vacuumizes chamber 20b7 and vacuum tube is tightly connected, and upper die body vacuumizes chamber 20b7 and the upper die body cooling mutual chimeric setting of liquid bath 20b6 and various independence.Described lower mold body 20b3 is provided with the lower mold body that is communicated with the chamber 20b5 that finalizes the design and vacuumizes chamber 2b9, lower mold body cooling liquid bath 20b8, and described lower mold body vacuumizes chamber 2b9 and vacuum tube is tightly connected.Lower mold body vacuumizes chamber 2b9 and the 20b8 phase embedding of lower mold body cooling liquid bath and mutual airtight separation.
As shown in Figure 1, 2, upper cover plate 20b1 and lower cover 20b4 are provided with vacuum mouth of pipe 20b11 and cooling fluid mouth of pipe 20b10 respectively, vacuum mouth of pipe 20b11 and vacuum tube 28 UNICOMs that vacuumize in the assembly, vacuumizing assembly vacuumizes stock mould 20b, form local decompression on thermoplastic composite 100 surfaces, acceleration is flowed thermoplastic composite 100 surface cool liquid, make the cooling fluid on thermoplastic composite 100 surfaces carry heat and constantly leave thermoplastic composite 100 surfaces fast, heat is taken away, made thermoplastic composite 100 fast coolings finalize the design.Cooling fluid mouth of pipe 20b10 is connected with cooling recirculation system, and cooling recirculation system is used for cooling fluid is provided, and generally comprises fluid reservoir, pump, is used for the pipeline that connects, and these structures are routine techniques, do not repeat them here.
As shown in Figure 1, the described assembly that vacuumizes comprises vavuum pump 22, aqueous vapor separator box 21, and described vavuum pump 22 is connected with stock mould 20b by aqueous vapor separator box 21.Vavuum pump 22 is water-ring vacuum pump, and the air after can aqueous vapor separator box 21 being separated by vavuum pump 22 is discharged, and the typing surface of stock mould 20b is vacuumized.Because stock mould 20b is arranged in the cooling fluid, cooling fluid can be extracted out together when vacuumizing, enter vavuum pump 22 in a large number for fear of cooling fluid, then between vavuum pump 22 and stock mould 20b, aqueous vapor separator box 21 is set, aqueous vapor separator box 21 separates liquids and gases, and excess liquid is discharged or is back in the cooling bath 20a.
Described aqueous vapor separator box 21 is connected with antivoid valve 26, separate pump 23 respectively, is provided with check valve 24 after the described separate pump 23.Cooling fluid after can aqueous vapor separator box 21 being separated by separate pump 23 is discharged.The antivoid valve 26 that aqueous vapor separator box 21 is provided with can be when vacuum be excessive in the aqueous vapor separator box 21 bubbling air, too high to prevent the negative pressure of vacuum in the water gas separator box 21.The check valve 24 that output after the separate pump 23 connects can prevent that the cooling fluid of discharging from flowing backwards.
As shown in Figure 1, described aqueous vapor separator box 21 is connected with integrated 27 of the cooling that has inner chamber, and each described stock mould 20b is respectively by vacuum tube 28 and the inner chamber UNICOM of cooling off integrated 27.Cool off integrated and be used for being connected of vacuum extractor and shaper.
Cool off and be provided with vacuum meter 25 for integrated 27, be convenient to vacuum negative pressure is adjusted control.
As shown in Figure 1, spray cooling body 3 is arranged on vacuum cooled mechanism 2 rears, the thermoplastic composite 100 that transports out from vacuum cooled mechanism 2 enters spray cooling body 3 and carries out further cooling and shaping, and described spray cooling body 3 comprises spray groove 30, the thermoplastic composites 100 in the spray groove 30 are carried out the spray assembly of spraying cooling, the cooling fluid storing mechanism of cooling fluid is provided to the spray assembly.
The effect of spray groove 30 is cooling fluids of accepting spray, and cooling fluid is collected backflow, reuses.The shape of spray groove 30 does not limit, and only needs to keep certain length to get final product.The bottom land of spray groove 30 can be flat, it also can be the bottom surface that tilts, make that some or several position is in lower position in the spray groove 30, in this position the mouth of pipe is set, the cooling fluid that is used for collecting is discharged, refluxes or is collected the container from the mouth of pipe.
Spray groove 30 is two grooves of cutting apart with cooling bath 20a, and the cooling fluid between the two is not mixed.Spray groove 30 and cooling bath 20a are separately, the cooling fluid of heat is oppositely discharged from the entry position that enters cooling bath 20a of thermoplastic composite 100 in the cooling bath 20a, and directly outwards circulating cooling system discharge, the higher cooling fluid of temperature among the Vacuum shaping mould 20b in the cooling bath 20a can be discharged as early as possible and fully cooling, can not have influence on the temperature of cooling fluid in the spray groove 30.
As shown in Figure 1, described spray assembly comprises the shower 31 with cooling fluid storing mechanism UNICOM, the delivery pump 35 that described shower 31 is provided with, and shower 31 front ends are provided with spray head 32; Described cooling fluid storing mechanism comprises cooling fluid storage box 34, fluid level controller 38.Described shower 31 and spray head 32 arrange a plurality of respectively, and a plurality of showers 31 are pooled on the total shower 31, i.e. total shower 31 UNICOMs of a plurality of showers 31 and.Total shower 31 and cooling fluid storage box 34 UNICOMs of cooling fluid storing mechanism.Delivery pump 35 arranges one or more, and when a delivery pump 35 was set, delivery pump 35 was arranged on total shower 31, and a plurality of delivery pumps 35 are set, and then on each shower 31 delivery pump 35 is set respectively.Also be provided with check valve 36 on the shower 31, only allow the cooling fluid in the cooling fluid storing mechanism to flow to spray head 32, and can not reflux.
Cooling fluid storage box 34 is provided with fluid level controller 38, is used for control cooling fluid storage box 34 liquid levels automatically, and cooling fluid is when being in low level, start the magnetic valve 37 that arranges on the inlet, automatic feed liquor is when cooling fluid arrives a high position, magnetic valve 37 cuts out, and stops feed liquor.
Spray head 32 can form turbulent flow on thermoplastic composite 100 surfaces of cooling off of waiting to finalize the design to thermoplastic composite 100 spray cooling fluids, is unfavorable for the liquid film of heat conduction with the thermoplastic composite 100 surface formation that prevent from soaking in water.Spray head 32 is suspended on the top of thermoplastic composite 100 in the spray groove 30, at least two described spray heads 32 are by one group of spray head 32 of formation arranged in a straight line, and every group of spray head 32 is transversely arranged along spray groove 30, preferred every group of spray head 32 is vertical with thermoplastic composite 100 directions of motion, vertical with thermoplastic composite 100 surfaces, and arranges at least two group spray heads 32 on thermoplastic composite 100 directions of motion successively.
The cooling fluid that adopts in vacuum cooled mechanism 2 and the spray cooling body 3 can be various ways, and for example the salt solution of running water, cooling also can other be used for the liquid of cooling.Take all factors into consideration cost, general cooling fluid is selected running water.
As shown in Figure 1, be arranged at intervals with a plurality of guide rollers 33 in the described spray groove 30, described thermoplastic composite 100 is along the roll surface rectilinear motion of guide roller 33.Described guide roller 33 is horizontally disposed with or/and vertically arrange.Guide roller 33 can the single horizontal setting or is vertically arranged, and also can be provided with guide roller 33 with vertical direction in the horizontal direction simultaneously.Guide roller 33 on the vertical direction and the guide roller 33 on the horizontal direction preferably are crisscross arranged.
Guide roller 33 is as the supporting mechanism of thermoplastic composite 100, keep thermoplastic composite 100 rectilinear motions, prevent the distortion of thermoplastic composite 100 in course of conveying, therefore, the roll surface of guide roller 33 and thermoplastic composite 100 position contacting are in the same plane, for example be horizontally disposed with at guide roller 33, then the peak of each guide roller 33 roll surface is on the same horizontal plane.
In order more stably thermoplastic composite 100 to be led, then the roll surface of described guide roller 33 is provided with the groove that heat supply plastic composite materials 100 inserts, and described groove carries out spacing guiding to thermoplastic composite 100.The groove shapes that arranges on described a plurality of guide roller 33 is corresponding consistent with physical dimension, makes that thermoplastic composite 100 can steady rectilinear motion.
For the dry heat plastic composite materials, and the typing of can further lowering the temperature, described spray cooling body 3 rears are provided with the air-cooled mechanism 6 that thermoplastic composite 100 is carried out drying and further cools off.Air-cooled mechanism 6 comprises blower fan and airduct, and wind tube outlet is aimed at thermoplastic composite 100 surfaces, the fan starting blowing.The outlet of airduct can arrange one, also can arrange a plurality ofly, is dried in the surface of thermoplastic composite 100 diverse locations respectively, accelerates drying and the cooling velocity of thermoplastic composite 100.
As shown in Figure 1, described typing platform 1 below is provided with for the position adjusting mechanism of adjusting typing platform 1 position.Described position adjusting mechanism comprises the horizontal guiding mechanism (not shown) of the elevating mechanism 4 of adjustment typing platform 1 height, vertical guiding mechanism 5 of adjusting typing platform 1 lengthwise position and adjustment typing platform 1 lateral attitude.The setting of described position adjusting mechanism for the platform about in the of 1 of finalizing the design, the position, all around is adjustable, to guarantee compound 200 depannings and the relative position of finalizing the design between the platform 1 of squeezing of thermoplastic.
Elevating mechanism 4 can be selected multiple mode: worm-and-wheel gear, scissor-type lifting mechanism, reduction formula elevating mechanism, telescopic elevating mechanism, reduction arm elevator structure, folding-jib elevating mechanism.These elevating mechanisms 4 all are prior aries, do not repeat them here.Select worm-and-wheel gear in the present embodiment.
Laterally guiding mechanism, vertical guiding mechanism 5 can be selected screw mechanism, worm-and-wheel gear etc. respectively, and horizontal guiding mechanism is selected screw mechanism in the present embodiment, and vertically guiding mechanism 5 is selected worm-and-wheel gear.
Elevating mechanism 4 and vertical guiding mechanism 5 all can be power-actuated worm-and-wheel gear.Elevating mechanism 4 is at least four, and typing four jiaos of platform 1 is set respectively, and elevating mechanism 4 bottoms all are provided with roller, is used for typing platform 1 integral body and moves forward and backward.Elevating mechanism 4 can make the table top of typing platform 1 along the even oscilaltion of worm screw that is fixed on the base by power-actuated worm gear rotation, aligns with the axis height of the compound extrusion die 200 of thermoplastic.Vertically guiding mechanism 5 is at least one, a vertical guiding mechanism 5 is arranged on the middle part of typing platform 1, can be by power-actuated worm screw rotation, the typing platform 1 that has roller is slided along track, move forward and backward the position suitable with the compound extrusion die distance of thermoplastic with respect to the worm gear that fixes on the ground along the direction of motion of thermoplastic composite 100.Typing platform 1 laterally, the table top of the platform 1 of namely finalizing the design along with the thermoplastic composite 100 for the treatment of the roll extrusion typing extrude the vertical direction of direction, the horizontal movement of available manual screw mechanism adjustment typing platform 1.
Described vacuum sizing device also comprises the interior compression set type mechanism of cavitys inflation in the thermoplastic composite 100.The thermoplastic composite 100 that cools off of waiting to finalize the design with big cavity or multilayer cavity is adopted interior compression set type: i.e. the plug punching of extruding from the thermoplastic composite die feeds compressed air, uses the chain that is connected on the plug to connect stopper simultaneously.Stopper makes the pressure in the cavity reach appropriate value, and inner pressure prevents that the hollow cavity surface from caving in, and thermoplastic composite 100 outer walls are contacted with stock mould 20b inwall.Chain is released the not compressed air of stopper.