CN103057094B - Dry sizing device - Google Patents
Dry sizing device Download PDFInfo
- Publication number
- CN103057094B CN103057094B CN201310003763.7A CN201310003763A CN103057094B CN 103057094 B CN103057094 B CN 103057094B CN 201310003763 A CN201310003763 A CN 201310003763A CN 103057094 B CN103057094 B CN 103057094B
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- CN
- China
- Prior art keywords
- down roller
- thermoplastic composite
- composite strip
- precooling
- vacuum shaping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/916—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means using vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
- B29C2948/92647—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92923—Calibration, after-treatment or cooling zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/906—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using roller calibration
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of dry sizing device, comprise frame, described frame is disposed with the Vacuum shaping mechanism of the precooling mechanism for carrying out precooling to the thermoplastic composite strip sent from pressurizing unit, the setting roll group of extruding thermoplastic composite strip sizing, the trimming mechanism that the edge of thermoplastic composite strip is repaired, sizing further; Described precooling mechanism, setting roll group, trimming mechanism, the straight line arrangement of Vacuum shaping mechanism.The invention provides and a kind ofly can make the dry sizing device that thermoplastic composite strip is shaped accurately, ribbon dimension precision is high, surface quality of strips is high.
Description
Technical field
The present invention relates to a kind of shaping equipment, particularly relate to a kind of dry sizing device.
Background technology
Plastic-steel spirally-wound pipe is that a kind of body intensity is high, rigidity is high, lightweight excellent tubing.Its mode of production utilizes quantity-produced steel plastic compound strip to be welded through spiral winding.The product quality of plastic-steel spirally-wound pipe and outward appearance greatly factor are decided by the quality of thermoplastic composite.Therefore, how improving quality and the dimensional accuracy of band, is a very crucial problem.Extrude the thermoplastic composite strip after compound and be in soft state, need to carry out apparent size that heat treatment obtains wanting and shape to it.
Existing sizing is realized by the multiple shapers be immersed in water.Its concrete principle is: when band is through shaper, the water that band is finalized in mould and mould surrounds, and shaper is connected with vavuum pump, the water in mould flows because of negative pressure of vacuum effect and takes away the heat of band simultaneously, thus reaches the object of cooling and shaping.This kind of method is comparatively large due to the gap between shaper and band, makes ribbon dimension and surface quality be difficult to control.
Summary of the invention
The technical problem to be solved in the present invention is, for the defect of prior art, provides a kind of and can make the dry sizing device that thermoplastic composite strip is shaped accurately, ribbon dimension precision is high, surface quality of strips is high.
The technical solution adopted for the present invention to solve the technical problems is: a kind of dry sizing device, comprise frame, described frame is disposed with the Vacuum shaping mechanism of the precooling mechanism for carrying out precooling to the thermoplastic composite strip sent from pressurizing unit, the setting roll group of extruding thermoplastic composite strip sizing, the trimming mechanism that the edge of thermoplastic composite strip is repaired, sizing further; Described dry sizing device also comprises the haulage gear that traction thermoplastic composite strip moves backward; Described precooling mechanism, setting roll group, trimming mechanism, the haulage gear straight line arrangement of Vacuum shaping mechanism.
Described dry sizing device also comprises the position adjusting mechanism for adjusting described precooling mechanism, setting roll group, trimming mechanism, Vacuum shaping mechanism, haulage gear and extrusion die relative position.
Described precooling mechanism comprises in the precooling cooling bath of splendid attire cooling fluid, described precooling cooling bath the precooling stock mould being provided with and having sizing chamber, described precooling shaper is contained in outside the thermoplastic composite strip of motion, described precooling stock mould be connected with precooling stock mould is vacuumized vacuumize assembly.
Described setting roll group comprises the upper hold-down roller guiding mechanism for adjusting spacing between upper hold-down roller and lower hold-down roller be connected with upper hold-down roller the lower hold-down roller turned and upper hold-down roller arranged in pairs.
Be respectively equipped with the cooling chamber for passing into temperature regulating liquid in described lower hold-down roller and upper compression roll shaft, outlet and the entrance of described cooling chamber are respectively arranged with swivel joint, and described swivel joint connects temperature regulating liquid cycling mechanism.
The roll surface of described lower hold-down roller, upper hold-down roller is smooth, or described lower hold-down roller, upper hold-down roller roll surface be provided with for carrying out the embossing element of embossing to thermoplastic composite strip surface.
The roll surface of described lower hold-down roller, upper hold-down roller is provided with the groove for accommodating thermoplastic composite strip projection, and described groove shapes and position coordinate with thermoplastic composite strip shape and structure.
Described trimming mechanism comprises fixed mount, is detachably fixed on the cutter regulating mechanism of cutting knife on fixed mount, adjustment cutter location, and described fixed mount is fixed in frame by cutter regulating mechanism.
Described Vacuum shaping mechanism comprises in the sizing cooling bath of splendid attire cooling fluid, described sizing cooling bath the Vacuum shaping mould being provided with and having sizing chamber, described Vacuum shaping die sleeve is contained in outside the thermoplastic composite strip of motion, described Vacuum shaping mould be connected with Vacuum shaping mould is vacuumized vacuumize assembly.
Described Vacuum shaping mode spacing arranges multiple, the outlet of Vacuum shaping mould that the outlet of described Vacuum shaping mould is corresponding and all with the entrance of adjacent Vacuum shaping mould and the axis of entrance overlap, and make thermoplastic composite strip at multiple Vacuum shaping mould linear movement.
Described position adjusting mechanism is arranged on frame lower, and position adjusting mechanism comprises the elevating mechanism of adjustment bracket height, longitudinal guiding mechanism of adjustment frame lengthwise position and adjusts the transverse adjusting mechanism of frame lateral attitude.
Adopt in the present invention and set gradually precooling mechanism, seaming roll group, trimming mechanism, Vacuum shaping mechanism in frame, thermoplastic composite strip is progressively shaped, wherein the surface of the thermoplastic composite strip sent from pressurizing unit first cools by precooling mechanism, when making to enter setting roll group, seaming roll group surface can not be bonded at.Setting roll group can realize accurately sizing, thus improve surface quality and the dimensional accuracy of band, eliminate existing vacuum suction shaping equipment to the frictional resistance of product, be applicable to continuous seepage that is complex-shaped and the thermoplastic composite strip that Unit Weight is larger, and production cost and energy consumption can be reduced, improve speed of production.Trimming mechanism excises the remaining limit of thermoplastic composite strip, carries out last finishing to thermoplastic composite strip, and band can be extruded additional parts of plastics scraping removing because of sizing pressure roller by scraper, controls the dimensional accuracy of band further.Described dry sizing device also comprises the haulage gear that traction thermoplastic composite strip moves backward, and haulage gear traction thermoplastic composite strip moves backward, and sizing can be carried out continuously.Thermoplastic composite strip surfacing after being shaped by the present invention is smooth, thickness even, eliminate thermoplastic composite strip warped, makes Total Product shape more smooth.
In addition, the present invention is also provided with position adjusting mechanism, for precooling mechanism, seaming roll group, trimming mechanism, Vacuum shaping mechanism is upper and lower, position, all around is adjustable, to guarantee the relative position between thermoplastic compound extruded mould and dry sizing device, make product approval accurate, reliable and energy continuous seepage.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the top view of the embodiment of the present invention;
Fig. 3 is the structural representation of upper the first embodiment of hold-down roller guiding mechanism in embodiment of the present invention setting roll group;
Fig. 4 is the structural representation of the upper hold-down roller guiding mechanism the second embodiment in embodiment of the present invention setting roll group;
Fig. 5 is the structural representation of embodiment of the present invention setting roll group and temperature regulating liquid cycling mechanism annexation;
Fig. 6 is the structural representation of the another kind of embodiment of embodiment of the present invention setting roll group;
Fig. 7 is the structural representation of embodiment of the present invention trimming mechanism;
Fig. 8 is embodiment of the present invention trimming structure side view;
Fig. 9 is the structural representation of embodiment of the present invention Vacuum shaping mechanism;
Figure 10 is the structural representation of embodiment of the present invention haulage gear.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
Bearing definition: according to the thermoplastic composite strip direction of motion is front near the orientation of thermoplastic compound extruded mould, after away from the orientation of extrusion die being.
Thermoplastic composite strip of the present invention can be used for the manufacture of bar shaped thermoplastic joint product and helix thermoplastic joint product, instant heating plastic composite strip material can make the thermoplastic joint product of bar shaped after sizing, or is made the thermoplastic joint product of helix by spiral welded after sizing.
As shown in Figure 1, 2, a kind of dry sizing device, comprise frame 100, described frame 100 be disposed with the precooling mechanism 200 for carrying out precooling to the thermoplastic composite strip sent from pressurizing unit, haulage gear 800 that the setting roll group 300 of extruding thermoplastic composite strip sizing, the trimming mechanism 400 repaired the edge of thermoplastic composite strip, the Vacuum shaping mechanism of sizing further, traction thermoplastic composite strip move backward; Described precooling mechanism 200, setting roll group 300, trimming mechanism 400, Vacuum shaping mechanism 500, the arrangement of haulage gear 800 straight line.
This dry sizing device is applicable to simple shape, non-hollow structure thermoplastic composite strip 700, and thermoplastic composite strip 700 body shape is tabular, such as simple slab construction, is provided with the slab construction of reinforcement or flanging, is provided with protruding slab construction etc.
Frame 100 comprises frame platform 101 and base 102, because dry sizing device of the present invention is applicable to the thermoplastic composite strip 700 that agent structure is slab construction, thermoplastic composite strip 700 will carry out rectilinear motion, then parts direct acting with thermoplastic composite strip 700: precooling mechanism 200, setting roll group 300, trimming mechanism 400, Vacuum shaping mechanism 500, haulage gear 800 is separately positioned on the frame platform 101 on frame 100 top, precooling mechanism 200, setting roll group 300, trimming mechanism 400, Vacuum shaping mechanism 500, haulage gear 800 all successively straight line is arranged and is fixed on frame platform 101, straight line arrangement refers to precooling mechanism 200, setting roll group 300, trimming mechanism 400, Vacuum shaping mechanism 500, haulage gear 800 is arranged in turn on straight line direction, and kept rectilinear motion state by the thermoplastic composite strip 700 of above-mentioned parts process.Wherein precooling mechanism 200 front end and thermoplastic compound extruded mould export close.
As shown in Figure 1, 2, precooling mechanism 200 is to first be cooled on the surface of the thermoplastic composite strip 700 sent from pressurizing unit, thermoplastic composite strip 700 Surface hardened layer, when making to enter setting roll group 300, can not be bonded at setting roll group 300 surface.Described precooling mechanism 200 comprises in the precooling cooling bath 202 of splendid attire cooling fluid, described precooling cooling bath 202 the precooling stock mould 201 being provided with and having sizing chamber, described precooling stock mould 201 is sleeved on outside the thermoplastic composite strip 700 of motion, described precooling stock mould 201 be connected with precooling stock mould 201 is vacuumized vacuumize assembly.The structure of precooling stock mould 201 is identical with existing Vacuum shaping mode structure, does not repeat them here.
As shown in Figure 1, 2, the effect of described setting roll group 300 is carry out roll extrusion sizing to from extrusion die thermoplastic composite strip to be shaped 700 out on the one hand, thermoplastic composite strip 700 after setting roll group 300 roll extrusion is finalized the design almost by roll extrusion, and eliminate thermoplastic composite strip 700 surface wave Slippage by setting roll group 300 press polish, also bend by the flat thermoplastic composite strip 700 of eliminating of setting roll group 300 hot pressing.As shown in Figure 3,4, described setting roll group 300 comprises the upper hold-down roller guiding mechanism 306 for adjusting spacing between upper hold-down roller 302 and lower hold-down roller 301 be connected with upper hold-down roller 302 the lower hold-down roller 301 turned and upper hold-down roller 302 of the paired setting be arranged in frame 100.Lower hold-down roller 301 and upper hold-down roller 302 are arranged in pairs, and the logarithm of setting is according to the thickness of the thermoplastic composite strip 700 that will be extruded to shape, the conditional decisions such as cool time of shaping, and the present embodiment is selected to arrange a pair.Hold-down roller 301 is wherein descended to be bearing in rotatably in frame 100 by bearing 311.Upper hold-down roller 302 is slidably arranged on the guide rail 322 fixing with frame 100 by bearing 321, and hold-down roller guiding mechanism 306 on connecting on the bearing block of bearing 321.Haulage gear 800 by thermoplastic composite strip 700 to rear haulage time, the motion of thermoplastic composite strip 700 drives upper hold-down roller 302 and lower hold-down roller 301 is passive relatively rotates, thermoplastic composite strip 700 is extruded to shape, and eliminates extruding striped and the ripple glaze of product thermoplastic surface.
Upper hold-down roller guiding mechanism 306 respectively arranges one at the two ends of upper hold-down roller 302 respectively, upper hold-down roller guiding mechanism 306 is the spacing for regulating between upper hold-down roller 302 and lower hold-down roller 301, this spacing is that thickness of shaping with thermoplastic composite strip 700 is relevant, and the thermoplastic composite strip 700 that corresponding different-thickness requires regulates gap therebetween different.Upper hold-down roller guiding mechanism 306 has a variety of embodiment, can adopt oil cylinder or cylinder dipper crowding gear, also can adopt helical thrust mechanism, and lower hold-down roller 301 is also finely tuned by mechanisms such as helical thrust, inclined-plane screw distance adjustings.Specifically, one as shown in Figure 3, the slide block 361 that upper hold-down roller guiding mechanism 306 is screw rod 362 and is spirally connected on screw rod 362, wherein slide block 361 is fixed in frame 100, screw rod 362 one end spacing top is pressed on the bearing block of the bearing 321 of hold-down roller 302 end, rotating screw bolt 362, screw rod 362 stretches out or rollback drives upper hold-down roller 302 near lower hold-down roller 301 or away from lower hold-down roller 301.Except aforesaid way, hydraulic drive mechanism, pneumatic drive mechanism can also be adopted, hydraulic drive mechanism selects oil cylinder, pneumatic drive mechanism selects cylinder, the push rod of oil cylinder or cylinder connects upper hold-down roller 302, push rod stretches out and promotes upper hold-down roller 302 near lower hold-down roller 301, and push rod retraction drives upper hold-down roller 302 away from lower hold-down roller 301.
As shown in Figure 4, the Control Component 364 of the cylinder 363 that upper hold-down roller guiding mechanism 306 can adopt two sides to load and control cylinder action, upper hold-down roller 302 is suspended on the cylinder 363 at two by bearing 321 air cylinder driven, and can slide along guide rail 322.Thrust promotes upper hold-down roller by cylinder 363 by bearing 321 and produces, and plays the effect of compacting-shaping and driving traction products, can change thrust by the admission pressure on pressure-reducing valve adjusting cylinders 363 top in Control Component 364.Control Component 364 adopts existing cylinder control mode, does not repeat them here.
In aforesaid way, the mode that screw rod 362 coordinates with slide block 361 can carry out meticulousr fine setting to the two gap.
Though the thermoplastic composite strip 700 generally extruded from extrusion die solidifies through pre-cold surface, but bulk temperature is still higher, in lower hold-down roller 301 and upper hold-down roller 302 extrusion process, the high temperature of thermoplastic composite strip 700 passes to lower hold-down roller 301 and upper hold-down roller 302, also lower hold-down roller 301 and upper hold-down roller 302 is made to be in high temperature, be unfavorable for that thermoplastic composite strip 700 is lowered the temperature to shape, for ensureing to treat that the thermoplastic composite strip 700 that roll extrusion is shaped can cool or press polish; Need to lower the temperature to described lower hold-down roller 301 and upper hold-down roller 302.
As shown in Figure 5, the cooling chamber 303 for passing into temperature regulating liquid is respectively equipped with in described lower hold-down roller 301 and upper hold-down roller 302, the outlet of described cooling chamber 303 and entrance are arranged on the two ends of lower hold-down roller 301 and upper hold-down roller 302, outlet and the entrance of described cooling chamber 303 are respectively arranged with swivel joint 315, and described swivel joint 315 connects temperature regulating liquid cycling mechanism 307.By temperature regulating liquid cycling mechanism 307, temperature regulating liquid is transported in cooling chamber 303, reduce the temperature of lower hold-down roller 301 and upper hold-down roller 302, the temperature of lower hold-down roller 301 and upper hold-down roller 302 is regulated by temperature regulating liquid, realize the suitable low-temperature condition of permanent maintenance, be conducive to thermoplastic composite strip 700 cooling sizing.Temperature regulating liquid is water, cold-producing medium, is preferably water, and refrigeration heat-exchange device can be adopted in geothermal liquid cycling mechanism 307 to carry out temperature adjustment to temperature regulating liquid, as mould constant temperature machine, cooling-water machine etc.
Temperature regulating liquid cycling mechanism 307 and cooling chamber 303 form a closed circuit, the temperature regulating liquid of high temperature is back in fluid reservoir 371, the temperature regulating liquid of low temperature in fluid reservoir 371 is transported in cooling chamber 303, lower hold-down roller 301 and upper hold-down roller 302 are lowered the temperature.
As shown in Figure 5, swivel joint 315 is a kind of transition connection sealing devices fluid media (medium) being input to dynamic rotary system from static system, entering and discharge of temperature regulating liquid be responsible for by swivel joint 315, swivel joint 315 comprises swivel joint body 315a and swivel joint axle 315b, keep relative motion by oilless bearing between swivel joint body 315a and swivel joint axle 315b, and make temperature regulating liquid keep sealing with extraneous by spherical seal ring.Swivel joint body 315a is connected with temperature regulating liquid cycling mechanism 307, and swivel joint axle 315b and spindle nose 301a links together dynamic rotary.
As shown in Figure 5, temperature regulating liquid cycling mechanism 307 comprises: water-supply valve 370, fluid reservoir 371 and liquid level sensor 372 and blast pipe 373, feed pump 377 and overflow valve 374, inlet one-way valve 375, temperature sensor 376, Outlet check valves 378, draining valve 379, controller (not shown).Its operation principle is as follows: the temperature regulating liquid of predetermined temperature enters fluid reservoir 371 by water-supply valve 370 and the blast pipe 373 arranged from fluid reservoir 371 top is vented, the temperature regulating liquid of predetermined pressure and flow in fluid reservoir 371 is sent into cooling chamber 303 by the swivel joint 315 on the spindle nose 301a of one end by inlet one-way valve 375 by feed pump 377, then enters fluid reservoir 371 by the swivel joint 315 on the other end spindle nose 301a of lower hold-down roller 301 and upper hold-down roller 302 by Outlet check valves 378 and be vented.The surface of lower hold-down roller 301 and upper hold-down roller 302 and/or at least install a temperature sensor 376 on the pipeline at lower hold-down roller 301 and upper hold-down roller 302 rear, is wherein preferably non-contact temperature sensor to the temperature sensor of lower hold-down roller 301 and upper hold-down roller 302 surface temperature measurement.When measured temperature exceeds preset range, controller control draining valve 379 is opened and liquid too high or too low for temperature is entered external circulating system, and opens water-supply valve 370 supplements temperature regulating liquid from preference temperature to fluid reservoir 371.Liquid can be entered external circulating system when pressure is excessive by overflow valve 374, for preventing lower hold-down roller 301 and upper hold-down roller 302 internal liquid hypertonia.Liquid level sensor 372 is for preventing fluid reservoir 371 liquid level too high or too low.
In order to realize different objects, the roll surface of described lower hold-down roller 301, upper hold-down roller 302 can be in different ways, a kind of mode is roll surface is smooth roll surface, in order to setting roll group 300 surface smoothness can be improved as far as possible, then can in lower hold-down roller 301 and the chrome-faced of upper hold-down roller 302, polishing, when adopting so lower hold-down roller 301, the upper hold-down roller 302 thermoplastic composite strip 700 to unshaped soft surface to shape, the fineness on thermoplastic composite strip 700 surface can be ensured, improve thermoplastic composite strip 700 presentation quality.
As shown in Figure 3,4, for making the surface for the treatment of the thermoplastic composite strip 700 that roll extrusion is shaped have decoration, mark or advertising results, the roll surface of described lower hold-down roller 301, upper hold-down roller 302 is provided with the embossing element 309 for carrying out embossing to thermoplastic composite strip 700 surface.Namely described lower hold-down roller 301, on the roll surface carve decorative pattern of hold-down roller 302 as embossing element 309, or directly on roll surface, inlay embossing element 309, embossing element 309 extrudes on thermoplastic composite strip 700 surface the pattern, word, sign etc. wanted.Embossing element 309 is alternative packs, can arrange and also can not arrange.
Except the thermoplastic composite strip 700 of simple slab construction, supplier structure is also wanted to be dull and stereotyped various structure thermoplastic composite strips 700.Such as: thermoplastic composite strip 700 is provided with the reinforcement protruding thermoplastic composite strip 700 plate face, protruding, the projections such as flanging 701, as shown in Figure 6, corresponding described lower hold-down roller 301, the roll surface of upper hold-down roller 302 is provided with the groove 305 for accommodating thermoplastic composite strip 700 projection 701, described groove 305 shape and position coordinate with thermoplastic composite strip 700 shape and structure, as shown in Figure 6, in rolling process, projection 701 is placed in groove 305, namely the roll extrusion sizing of whole thermoplastic composite strip 700 is not affected, also the projection 701 of thermoplastic composite strip 700 is made not to be pressed down tight roller 301 and upper hold-down roller 302 crimp.On thermoplastic composite strip 700, arranging three projections be parallel to each other 701 in the present embodiment is reinforcements, and reinforcement is longitudinally arranged along thermoplastic composite strip 700.
As shown in Figure 2, are trimming mechanisms 400 at the rear of setting roll group 300, trimming mechanism 400 be to cooling and shaping after thermoplastic composite strip 700 repair, ensure that the even width of thermoplastic composite strip 700 is consistent, improve the presentation quality of thermoplastic composite strip 700.
As shown in Figure 7,8, described trimming mechanism 400 comprises fixed mount 401, is detachably fixed on the cutter regulating mechanism (not shown) of cutting knife 402 on fixed mount 401, adjustment cutting knife 402 position, and described fixed mount 401 is fixed in frame 100 by cutter regulating mechanism.
Described cutting knife 402 is detachably fixed on fixed mount 401 by screw 403.Fixed mount 401 is provided with installed part 405, and installed part 405 has inserting groove, and described cutting knife 402 rear portion is plugged in inserting groove, and pushes up pressure by the screw 403 that installed part 405 is spirally connected and be locked in inserting groove.In the present embodiment, cutting knife 402 is two, is separately positioned on thermoplastic composite strip 700 both sides.
Cutter regulating mechanism has a variety of embodiment, can adopt oil cylinder or cylinder dipper crowding gear, also can adopt helical thrust mechanism.The push rod of oil cylinder or cylinder is connected on fixed mount 401, push rod stretch out promote cutting knife 402 near or away from thermoplastic composite strip 700.
As shown in Figure 9, described Vacuum shaping mechanism 500 comprises in the sizing cooling bath 20a of splendid attire cooling fluid, described sizing cooling bath 20a and is provided with Vacuum shaping mould 20b, described Vacuum shaping mould 20b is sleeved on outside the thermoplastic composite 700 of motion, described Vacuum shaping mould 20b be connected with Vacuum shaping mould 20b is vacuumized vacuumize assembly.
The effect of sizing cooling bath 20a is splendid attire cooling fluid, and just require that sizing cooling bath 20a has certain length, the thermoplastic composite 700 for motion carries out cooling and shaping, and other do not limit the shape of sizing cooling bath 20a.Owing to arranging Vacuum shaping mould 20b in sizing cooling bath 20a, the structure of Vacuum shaping mould 20b is box body structure, and preferably the bottom land of sizing cooling bath 20a is plane, facilitates the fixing of Vacuum shaping mould 20b and arranges.In sizing cooling bath 20a, the entrance of cooling fluid is arranged on bottom sizing cooling bath 20a, entrance is connected with external circulation cooling system by pipeline, cooling fluid is injected sizing cooling bath 20a, overflow pipe is provided with at the other end of sizing cooling bath 20a, the mouth of pipe height of overflow pipe is lower than the cell wall end face of cooling bath, namely flow into this mouth of pipe when the liquid level of cooling fluid in sizing cooling bath 20a higher than the mouth of pipe of overflow pipe and keep liquid level constant, supplying cryogenic liquid to sizing cooling bath 20a, discharge high temperature coolant.
The effect of Vacuum shaping mould 20b is cooling and shaping, and the effect vacuumizing assembly cooperation is a cancellation the wrinkle defect on thermoplastic composite 700 surface, improves thermoplastic composite 700 surface quality.Described Vacuum shaping mould 20b interval arranges multiple, and Vacuum shaping mould 20b is fixed on the groove bottom of sizing cooling bath 20a.Described Vacuum shaping mould 20b is provided with import and outlet, pass in and out the sizing chamber of stock mould for thermoplastic composite 700, the outlet of described Vacuum shaping mould 20b make thermoplastic composite 700 corresponding to the entrance of adjacent Vacuum shaping mould 20b is at multiple Vacuum shaping mould 20b linear movement.Preferred multiple Vacuum shaping mould 20b is arranged in a linear, and the axis of the outlet of all Vacuum shaping mould 20b and entrance overlaps.The setting position of Vacuum shaping mould 20b can be uniformly distributed in sizing cooling bath 20a, also can just arrange in the front portion of sizing cooling bath 20a and middle part, the present embodiment arranges in the front portion of sizing cooling bath 20a and middle part, and the rear portion of sizing cooling bath 20a just adopts the cooling fluid of circulation to cool.The quantity that Vacuum shaping mould 20b is arranged is according to the shape of thermoplastic composite 700 and structures shape, and generally can arrange 2 ~ 7, wherein first Vacuum shaping mould 20b of front end is corresponding with the outlet of the precooling stock mould of precooling mechanism is arranged.Vacuum shaping mould 20b becomes prior art, does not repeat them here.
As shown in Figure 9, described in vacuumize assembly and comprise vavuum pump 22, aqueous vapor separator box 21, described vavuum pump 22 is connected with Vacuum shaping mould 20b by aqueous vapor separator box 21.Vavuum pump 22 is water-ring vacuum pump, and the air after being separated by aqueous vapor separator box 21 by vavuum pump 22 is discharged, and vacuumizes the styling surface of Vacuum shaping mould 20b.Because Vacuum shaping mould 20b is arranged in cooling fluid, cooling fluid can be extracted out together when vacuumizing, in order to avoid cooling fluid enters vavuum pump 22 in a large number, then aqueous vapor separator box 21 is set between vavuum pump 22 and Vacuum shaping mould 20b, liquids and gases are separated by aqueous vapor separator box 21, and unnecessary liquid is discharged or is back in sizing cooling bath 20a.
Described aqueous vapor separator box 21 is connected to antivoid valve 26, separate pump 23, is provided with check valve 24 after described separate pump 23.Cooling fluid after being separated by aqueous vapor separator box 21 by separate pump 23 is discharged.The antivoid valve 26 that aqueous vapor separator box 21 is provided with can pass into air when vacuum is excessive in aqueous vapor separator box 21, to prevent the negative pressure of vacuum in water gas separator box 21 too high.The check valve 24 that output after separate pump 23 connects can prevent the cooling fluid of discharging from flowing backwards.
As shown in Figure 9, described aqueous vapor separator box 21 and each Vacuum shaping mould 20b are by vacuum tube 28 UNICOM, be provided with the cooling integrated support 27 with inner chamber between described aqueous vapor separator box 21 and Vacuum shaping mould 20b, each stock mould vacuum tube 28 can with cooling integrated support 27 UNICOM.Cooling integrated support 27 is for vacuumizing the connection of assembly and Vacuum shaping mould 20b.
Cooling integrated support 27 is provided with vacuum meter 25, is convenient to carry out adjustment to vacuum negative pressure and controls.
As shown in Fig. 3,9, the setting of described position adjusting mechanism 600 be in order to roll extrusion shaping equipment upper and lower, position, all around is adjustable, to guarantee the relative position between thermoplastic compound extruded mould and roll extrusion shaping equipment.Position adjusting mechanism 600 is arranged on the below of frame 100 bottom, frame platform 101, and position adjusting mechanism 600 comprises the elevating mechanism 601 of adjustment frame 100 height, longitudinal guiding mechanism 602 of adjustment frame 100 lengthwise position and adjusts the transverse adjusting mechanism 603 of frame 100 lateral attitude.Described position adjusting mechanism 600 is a selection mechanism, can arrange and also can not arrange.
Wherein, elevating mechanism 601, longitudinal guiding mechanism 602 show in fig .9, and transverse adjusting mechanism 603 shows in figure 3.
As shown in Figure 9, elevating mechanism 601 can select various ways: worm-and-wheel gear, scissor-type lifting mechanism, reduction formula elevating mechanism, telescopic elevating mechanism, reduction arm-type hoisting appliance, folding-jib elevating mechanism.These elevating mechanisms 601 are all prior aries, do not repeat them here.Worm-and-wheel gear is selected in the present embodiment.
Transverse adjusting mechanism 603, longitudinal guiding mechanism 602 can select screw mechanism, worm-and-wheel gear etc. respectively, and in the present embodiment, transverse adjusting mechanism 603 selects screw mechanism, and worm-and-wheel gear selected by longitudinal guiding mechanism 602.
Elevating mechanism 601 and longitudinal guiding mechanism 602 all can be power-actuated worm-and-wheel gear.Elevating mechanism 601 is at least four, arranges the corner of frame 100 respectively, and elevating mechanism 601 bottom is all provided with roller, movable for frame 100 entirety.Elevating mechanism 601 rotates by power-actuated worm gear, makes frame platform 101 along the even oscilaltion of the worm screw be fixed on base 102, aligns with the axis height of thermoplastic compound extruded mould.Longitudinal guiding mechanism 602 is at least one, a longitudinal guiding mechanism 602 is arranged in the middle part of frame 100, rotate by power-actuated worm screw, roll extrusion shaping equipment with roller is slided along track, moves forward and backward with the extrusion die of thermoplastic compound apart from suitable position relative to the direction of extruding of the worm gear fixed on the ground along thermoplastic composite strip 700.Frame 100 laterally, namely frame platform 101 along with thermoplastic composite strip 700 extrude vertical direction, direction, available manual screw mechanism reconditioner pallet 101 transverse shifting, makes setting roll group 300, trimming mechanism 400 and Vacuum shaping mechanism 500, haulage gear 800 align with the axis of thermoplastic compound extruded mould.
As shown in Figure 10, the effect of haulage gear 800 is drawn thermoplastic composite strip 700, traction mode have such as multiple: motor drive under to turn carry-over pinch rolls 801, carry-over pinch rolls 802, extrude tight thermoplastic composite strip 700 and drive thermoplastic composite strip 700 to move backward.Carry-over pinch rolls 801, carry-over pinch rolls 802 two ends are provided with regulating part 803, and regulating part 803 is for regulating the spacing between carry-over pinch rolls 801, carry-over pinch rolls 802.Haulage gear can also be other structures: crawler etc.Regulating part 803 can be oil cylinder or cylinder dipper crowding gear, also can adopt helical thrust mechanism, and the same hold-down roller guiding mechanism 306 of concrete structure, does not repeat them here.
Except being arranged in frame 100 by haulage gear 800 in embodiment, haulage gear can also be arranged separately, generally arranges the rear of frame, only need be used for realizing straight line to thermoplastic composite strip and draw.
Claims (7)
1. a dry sizing device, it is characterized in that, comprise frame, described frame is disposed with the Vacuum shaping mechanism of the precooling mechanism for carrying out precooling to the thermoplastic composite strip sent from pressurizing unit, the setting roll group of extruding thermoplastic composite strip sizing, the trimming mechanism that the edge of thermoplastic composite strip is repaired, sizing further; Described dry sizing device also comprises the haulage gear that traction thermoplastic composite strip moves backward; Described precooling mechanism, setting roll group, trimming mechanism, Vacuum shaping mechanism, the arrangement of haulage gear straight line;
Described precooling mechanism comprises in the precooling cooling bath of splendid attire cooling fluid, described precooling cooling bath the precooling stock mould being provided with and having sizing chamber, described precooling shaper is contained in outside the thermoplastic composite strip of motion, described precooling stock mould be connected with precooling stock mould is vacuumized vacuumize assembly;
Described setting roll group comprises the upper hold-down roller guiding mechanism for adjusting spacing between upper hold-down roller and lower hold-down roller be connected with upper hold-down roller the lower hold-down roller turned and upper hold-down roller arranged in pairs;
Be respectively equipped with the cooling chamber for passing into temperature regulating liquid in described lower hold-down roller and upper compression roll shaft, outlet and the entrance of described cooling chamber are respectively arranged with swivel joint, and described swivel joint connects temperature regulating liquid cycling mechanism;
Described temperature regulating liquid cycling mechanism comprises: water-supply valve, fluid reservoir and liquid level sensor and blast pipe, feed pump and overflow valve, inlet one-way valve, temperature sensor, Outlet check valves, draining valve, controller;
Described Vacuum shaping mechanism comprises in the sizing cooling bath of splendid attire cooling fluid, described sizing cooling bath the Vacuum shaping mould being provided with and having sizing chamber, described Vacuum shaping die sleeve is contained in outside the thermoplastic composite strip of motion, described Vacuum shaping mould be connected with Vacuum shaping mould is vacuumized vacuumize assembly.
2. dry sizing device according to claim 1, it is characterized in that, described dry sizing device also comprises the position adjusting mechanism for adjusting described precooling mechanism, setting roll group, trimming mechanism, Vacuum shaping mechanism, haulage gear and extrusion die relative position.
3. dry sizing device according to claim 1 and 2, is characterized in that, the roll surface of described lower hold-down roller, upper hold-down roller is smooth, or described lower hold-down roller, upper hold-down roller roll surface be provided with for carrying out the embossing element of embossing to thermoplastic composite strip surface.
4. dry sizing device according to claim 1 and 2, it is characterized in that, the roll surface of described lower hold-down roller, upper hold-down roller is provided with the groove for accommodating thermoplastic composite strip projection, and described groove shapes and position coordinate with thermoplastic composite strip shape and structure.
5. dry sizing device according to claim 1 and 2, it is characterized in that, described trimming mechanism comprises fixed mount, is detachably fixed on the cutter regulating mechanism of cutting knife on fixed mount, adjustment cutter location, and described fixed mount is fixed in frame by cutter regulating mechanism.
6. dry sizing device according to claim 1, it is characterized in that, described Vacuum shaping mode spacing arranges multiple, the outlet of Vacuum shaping mould that the outlet of described Vacuum shaping mould is corresponding and all with the entrance of adjacent Vacuum shaping mould and the axis of entrance overlap, and make thermoplastic composite strip at multiple Vacuum shaping mould linear movement.
7. dry sizing device according to claim 2, it is characterized in that, described position adjusting mechanism is arranged on frame lower, and position adjusting mechanism comprises the elevating mechanism of adjustment bracket height, longitudinal guiding mechanism of adjustment frame lengthwise position and adjusts the transverse adjusting mechanism of frame lateral attitude.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003763.7A CN103057094B (en) | 2013-01-06 | 2013-01-06 | Dry sizing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310003763.7A CN103057094B (en) | 2013-01-06 | 2013-01-06 | Dry sizing device |
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| CN103057094B true CN103057094B (en) | 2015-12-23 |
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| CN106694310A (en) * | 2017-03-13 | 2017-05-24 | 湖北富亿建材股份有限公司 | Rubber coated waterproofing membrane equipment of scraper |
| CN107521133A (en) * | 2017-10-25 | 2017-12-29 | 浙江大昌家俬有限公司 | Plate surface high molecular polymer attachment processing line and PVC cladding sheet materials |
| EP3831568A1 (en) * | 2019-12-04 | 2021-06-09 | The Swatch Group Research and Development Ltd | Method for marking a decorative item |
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| US7429305B2 (en) * | 2004-12-08 | 2008-09-30 | Hossein Borazghi | Process and machine for producing lightweight thermoplastic composite products in a continuous manner |
| CN2855708Y (en) * | 2006-01-14 | 2007-01-10 | 青岛顺德塑料机械有限公司 | Equipment for prodn. of thick plastic plate |
| CN101664993A (en) * | 2009-09-14 | 2010-03-10 | 成都市新湖装饰材料有限公司 | Method for cooling and sizing plastic profiles and device for realizing same |
| CN201881545U (en) * | 2010-12-06 | 2011-06-29 | 铜陵三佳科技股份有限公司 | Dry type stock mold for plastic extrusion molding |
| CN202302687U (en) * | 2011-08-23 | 2012-07-04 | 深圳金鸿机械制造有限公司 | Reinforced thermoplastic composite structure wall tube, strip and production device set |
| CN203172004U (en) * | 2013-01-06 | 2013-09-04 | 四川江瀚工业股份有限公司 | Dry-type shaping device |
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