CN103057094A - Dry sizing device - Google Patents
Dry sizing device Download PDFInfo
- Publication number
- CN103057094A CN103057094A CN2013100037637A CN201310003763A CN103057094A CN 103057094 A CN103057094 A CN 103057094A CN 2013100037637 A CN2013100037637 A CN 2013100037637A CN 201310003763 A CN201310003763 A CN 201310003763A CN 103057094 A CN103057094 A CN 103057094A
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- 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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- 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
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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
- B29C48/92—Measuring, controlling or regulating
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
- B29C2948/92647—Thickness
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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
- 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
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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
- B29C48/90—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
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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
- B29C48/90—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
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- 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 dry sizing device comprising a frame. The following components are sequentially arranged on the frame: a pre-cooling mechanism used for carrying out pre-cooling upon thermoplastic composite belt material delivered from an extrusion device, a sizing roller set used for extruding and sizing the thermoplastic composite belt material, an edge-cutting mechanism used for trimming the edge of the thermoplastic composite belt material, and a vacuum sizing mechanism used in further sizing. The pre-cooling mechanism, the sizing roller set, the edge-cutting mechanism, and the vacuum sizing mechanism are linearly arranged. With the dry sizing device, thermoplastic composite belt material sizing is precise, belt material size precision is high, and belt material surface quality is high.
Description
Technical field
The present invention relates to a kind of shaping equipment, relate in particular to a kind of dry sizing device.
Background technology
Plastic-steel spirally-wound pipe is that a kind of body intensity is high, high, the lightweight good tubing of rigidity.Its mode of production is to utilize the quantity-produced steel plastic compound strip to be welded through spiral winding.The product quality of plastic-steel spirally-wound pipe and outward appearance a big chunk factor are decided by the quality of thermoplastic composite.Therefore, how improving quality and the dimensional accuracy of band, is a very crucial problem.The thermoplastic composite strip of extruding after compound is in soft state, need to carry out apparent size and the shape that heat treatment obtains wanting to it.
Existing typing is to realize by a plurality of shapers that are immersed in the water.Its concrete principle is: when band process shaper, the water that band is finalized in mould and the mould surrounds, and shaper links to each other with vavuum pump, and the water in the mould flows because of the negative pressure of vacuum effect and takes away simultaneously the heat of band, thereby reaches the purpose of cooling and shaping.This kind method makes ribbon dimension and surface quality be difficult to control because the gap between shaper and the band is larger.
Summary of the invention
The technical problem to be solved in the present invention is, for the defective of prior art, provides a kind of energy so that the dry sizing device that the typing of thermoplastic composite strip is accurate, the 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, set gradually on the described frame be useful on to the thermoplastic composite strip of from pressurizing unit, sending carry out the setting roll group of precooling mechanism, the typing of extruding thermoplastic composite strip of precooling, trimming mechanism that the edge of thermoplastic composite strip is repaired, the further Vacuum shaping mechanism of typing; 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 haulage gear straight line are arranged.
Described dry sizing device also comprises be used to the position adjusting mechanism of adjusting described precooling mechanism, setting roll group, trimming mechanism, Vacuum shaping mechanism, haulage gear and extrusion die relative position.
Described precooling mechanism comprises and is provided with the precooling stock mould with typing chamber in the precooling cooling bath of splendid attire cooling fluid, the described precooling cooling bath, described precooling shaper is contained in outside the thermoplastic composite strip of motion, and described precooling stock mould is connected with and vacuumizes assembly to what the precooling stock mould vacuumized.
Described setting roll group comprise paired setting to the lower hold-down roller that turns and upper hold-down roller, the upper hold-down roller guiding mechanism that is used for adjusting spacing between upper hold-down roller and the lower hold-down roller that is connected with upper hold-down roller.
Be respectively equipped be used to the cooling chamber that passes into temperature adjustment liquid in described lower hold-down roller and the upper compression roll shaft, outlet and the entrance of described cooling chamber are respectively arranged with swivel joint, and described swivel joint connects temperature adjustment liquid cycling mechanism.
The roll surface of described lower hold-down roller, upper hold-down roller is smooth, and perhaps the roll surface of described lower hold-down roller, upper hold-down roller is provided with for the embossing part that thermoplastic composite strip surface is carried out embossing.
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 cooperate with thermoplastic composite strip shape and structure.
Described trimming mechanism comprises fixed mount, detachably is fixed on the cutting knife on the fixed mount, the cutter regulating mechanism of adjustment cutter location, and described fixed mount is fixed on the frame by cutter regulating mechanism.
Described Vacuum shaping mechanism comprises and is provided with the Vacuum shaping mould with typing chamber in the typing cooling bath of splendid attire cooling fluid, the described typing cooling bath, described Vacuum shaping die sleeve is contained in outside the thermoplastic composite strip of motion, and described Vacuum shaping mould is connected with and vacuumizes assembly to what the Vacuum shaping mould vacuumized.
Described Vacuum shaping mode spacing arranges a plurality of, the outlet of the 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, so that the thermoplastic composite strip moves at a plurality of Vacuum shaping mould cathetus.
Described position adjusting mechanism is arranged on frame lower, and position adjusting mechanism comprises elevating mechanism, the vertical guiding mechanism of adjusting the frame lengthwise position of adjusting bracket height and the transverse adjusting mechanism of adjusting the frame lateral attitude.
Adopt among the present invention and set gradually precooling mechanism, seaming roll group, trimming mechanism, Vacuum shaping mechanism in frame, the thermoplastic composite strip is progressively finalized the design, wherein cool off on the surface of the thermoplastic composite strip that will send from pressurizing unit first of precooling mechanism, so that when entering the setting roll group, can not be bonded at seaming roll group surface.The setting roll group can realize accurately typing, thereby improve surface quality and the dimensional accuracy of band, eliminated existing vacuum suction shaping equipment to the frictional resistance of product, be applicable to continuous production complex-shaped and the thermoplastic composite strip that Unit Weight is larger, and can reduce production costs and energy consumption, improve speed of production.Trimming mechanism excises the remaining limit of thermoplastic composite strip, and the thermoplastic composite strip is carried out last finishing, and scraper can be removed band because the typing pressure roller pushes additional parts of plastics scraping, further control the dimensional accuracy of band.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, so that typing can be carried out continuously., even thickness smooth by the thermoplastic composite strip surfacing after the present invention typing, eliminated thermoplastic composite strip warped, so that the product global shape is more smooth.
In addition, the present invention also is provided with position adjusting mechanism, be used for about precooling mechanism, seaming roll group, trimming mechanism, the Vacuum shaping mechanism, the position, all around is adjustable, to guarantee the relative position between thermoplastic compound extruded mould and the dry sizing device, make product approval accurately, reliable, and can produce continuously.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the top view of the embodiment of the invention;
Fig. 3 is the structural representation of the upper hold-down roller guiding mechanism the first embodiment in the embodiment of the invention setting roll group;
Fig. 4 is the structural representation of the upper hold-down roller guiding mechanism the second embodiment in the embodiment of the invention setting roll group;
Fig. 5 is the structural representation of embodiment of the invention setting roll group and temperature adjustment liquid cycling mechanism annexation;
Fig. 6 is the structural representation of the another kind of embodiment of embodiment of the invention setting roll group;
Fig. 7 is the structural representation of embodiment of the invention trimming mechanism;
Fig. 8 is embodiment of the invention side cut structure side view;
Fig. 9 is the structural representation of embodiment of the invention Vacuum shaping mechanism;
Figure 10 is the structural representation of embodiment of the invention haulage gear.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
Orientation definition: according to the thermoplastic composite strip direction of motion, near the orientation of thermoplastic compound extruded mould be before, away from the orientation of extrusion die be after.
Thermoplastic composite strip of the present invention can be used for the manufacturing of bar shaped thermoplastic joint product and helix thermoplastic joint product, instant heating plastic composite strip material can be made the thermoplastic joint product of bar shaped after typing, perhaps make the thermoplastic joint product of helix after typing by spiral welded.
As shown in Figure 1, 2, a kind of dry sizing device, comprise frame 100, set gradually on the described frame 100 be useful on to the thermoplastic composite strip of from pressurizing unit, sending carry out the setting roll group 300 of precooling mechanism 200, the typing of extruding thermoplastic composite strip of precooling, the trimming mechanism 400 that the edge of thermoplastic composite strip is repaired, the Vacuum shaping mechanism of further typing, the haulage gear 800 that traction thermoplastic composite strip moves backward; Described precooling mechanism 200, setting roll group 300, trimming mechanism 400, Vacuum shaping mechanism 500, haulage gear 800 straight lines are arranged.
This dry sizing device is applicable to simple shape, non-hollow structure thermoplastic composite strip 700, and thermoplastic composite strip 700 body shape are tabular, for example simple slab construction, be provided with the slab construction of reinforcement or flanging, be provided with slab construction of projection etc.
As shown in Figure 1, 2, precooling mechanism 200 cools off for the surface of the thermoplastic composite strip 700 that will send from pressurizing unit first, and the sclerosis of thermoplastic composite strip 700 surface is not so that when entering setting roll group 300, can be bonded at setting roll group 300 surfaces.Described precooling mechanism 200 comprises and is provided with the precooling stock mould 201 with typing chamber in the precooling cooling bath 202 of splendid attire cooling fluid, the described precooling cooling bath 202, described precooling stock mould 201 is sleeved on outside the thermoplastic composite strip 700 of motion, and described precooling stock mould 201 is connected with and vacuumizes assembly to what precooling stock mould 201 vacuumized.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 to carry out the roll extrusion typing from extrusion die thermoplastic composite strip to be shaped 700 out on the one hand, thermoplastic composite strip 700 after 300 roll extrusion of setting roll group finalizes the design almost by roll extrusion, and eliminate thermoplastic composite strip 700 surface wave Slippages by 300 press polish of setting roll group, can also be by 700 bendings of the flat elimination of setting roll group 300 hot pressing thermoplastic composite strip.Shown in Fig. 3,4, described setting roll group 300 comprise the paired setting that is arranged on the frame 100 to the lower hold-down roller 301 that turns and upper hold-down roller 302, the upper hold-down roller guiding mechanism 306 that is used for adjusting spacing between upper hold-down roller 302 and the lower hold-down roller 301 that is connected with upper hold-down roller 302.Lower hold-down roller 301 and upper hold-down roller 302 arrange in pairs, and the logarithm of setting is according to conditional decisions such as the thickness of the thermoplastic composite strip 700 that will be extruded to shape, the cool times of finalizing the design, and present embodiment is selected to arrange a pair of.Wherein descend hold-down roller 301 to be bearing in rotatably on the frame 100 by bearing 311.Upper hold-down roller 302 is slidingly arranged on the guide rail 322 of fixing with frame 100 by bearing 321, and connects hold-down roller guiding mechanism 306 at the bearing block of bearing 321.At haulage gear 800 with thermoplastic composite strip 700 during to rear haulage, the motion of thermoplastic composite strip 700 drives upper hold-down roller 302 and lower hold-down roller 301 passive relatively rotating, thermoplastic composite strip 700 is extruded to shape, and eliminates extruding striped and the ripple glaze on 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 for the spacing of regulating between upper hold-down roller 302 and the lower hold-down roller 301, this spacing is relevant with thermoplastic composite strip 700 typing thickness, and the gap that the thermoplastic composite strip 700 that corresponding different-thickness requires is regulated between the two is different.Upper hold-down roller guiding mechanism 306 has a variety of embodiments, can adopt oil cylinder or cylinder dipper crowding gear, also can adopt the spiral dipper crowding gear, and the mechanisms such as lower hold-down roller 301 also can push by spiral, inclined-plane screw distance adjusting finely tune.Specifically, as shown in Figure 3 a kind of, upper hold-down roller guiding mechanism 306 is screw rod 362 and the slide block 361 that is spirally connected at screw rod 362, wherein slide block 361 is fixed on the frame 100, screw rod 362 1 end spacing tops are pressed on the bearing block of bearing 321 of hold-down roller 302 ends, rotating screw bolt 362, screw rod 362 stretch 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, can also adopt hydraulic drive mechanism, pneumatic drive mechanism, hydraulic drive mechanism is selected oil cylinder, pneumatic drive mechanism is selected 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 the push rod retraction drives upper hold-down roller 302 away from lower hold-down roller 301.
Air cylinder driven as shown in Figure 4, upper hold-down roller guiding mechanism 306 can adopt cylinder 363 that the two sides can load and the Control Component 364 of control cylinder action, upper hold-down roller 302 is suspended on the cylinder 363 at two by bearing 321, and can slide along guide rail 322.Thrust promotes upper hold-down roller by cylinder 363 by bearing 321 and produces, and plays used for compacting-shaping and drives the effect of traction products, and the admission pressure by pressure-reducing valve adjusting cylinders 363 tops in the Control Component 364 can change thrust.Control Component 364 adopts existing cylinder control mode, does not repeat them here.
In the aforesaid way, the mode that screw rod 362 cooperates with slide block 361 can be carried out meticulousr fine setting to the two gap.
Though the thermoplastic composite strip 700 process precooling surface cures of generally extruding from extrusion die, but bulk temperature is still higher, in lower hold-down roller 301 and upper hold-down roller 302 extrusion processes, the high temperature of thermoplastic composite strip 700 passes to lower hold-down roller 301 and upper hold-down roller 302, also so that lower hold-down roller 301 and upper hold-down roller 302 are in high temperature, be unfavorable for the 700 cooling typings of thermoplastic composite strip, can cool off or press polish for guaranteeing the thermoplastic composite strip 700 for the treatment of the roll extrusion typing; Need to lower the temperature to described lower hold-down roller 301 and upper hold-down roller 302.
As shown in Figure 5, be respectively equipped with in described lower hold-down roller 301 and the upper hold-down roller 302 be used to the cooling chamber 303 that passes into temperature adjustment liquid, 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, the outlet of described cooling chamber 303 and entrance are respectively arranged with swivel joint 315, and described swivel joint 315 connects temperature adjustment liquid cycling mechanism 307.By temperature adjustment liquid cycling mechanism 307 temperature adjustment liquid is transported in the 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 adjustment liquid, realize the permanent suitable low-temperature condition that keeps, be conducive to the 700 cooling typings of thermoplastic composite strip.Temperature adjustment liquid is water, cold-producing medium, is preferably water, can adopt the refrigeration heat-exchange device to exchange geothermal liquid in the geothermal liquid cycling mechanism 307 and carry out temperature adjustment, such as mould constant temperature machine, cooling-water machine etc.
Temperature adjustment liquid cycling mechanism 307 forms a closed circuit with cooling chamber 303, the temperature adjustment liquid of high temperature is back in the fluid reservoir 371, the temperature adjustment liquid of fluid reservoir 371 interior low temperature is transported in the 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 that fluid media (medium) are input to the dynamic rotary system from static system, swivel joint 315 is responsible for entering and discharging of temperature adjustment liquid, 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 the swivel joint axle 315b, and by spherical seal ring temperature adjustment liquid is kept and extraneous sealing.Swivel joint body 315a is connected with temperature adjustment liquid cycling mechanism 307, swivel joint axle 315b and the spindle nose 301a dynamic rotary that links together.
As shown in Figure 5, temperature adjustment 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 valve 378, draining valve 379, controller (not shown).Its operation principle is as follows: blast pipe 373 exhausts that the temperature adjustment liquid of predetermined temperature enters fluid reservoir 371 and arranges from fluid reservoir 371 tops by water-supply valve 370, feed pump 377 is sent into cooling chamber 303 with the temperature adjustment liquid of predetermined pressure and flow in the fluid reservoir 371 by the swivel joint 315 on the end spindle nose 301a by inlet one-way valve 375, enters fluid reservoir 371 and exhaust 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 valve 378 again.On the surface of lower hold-down roller 301 and upper hold-down roller 302 and/or the pipeline through lower hold-down roller 301 and upper hold-down roller 302 rears a temperature sensor 376 is installed at least, wherein the temperature sensor of lower hold-down roller 301 and upper hold-down roller 302 surface temperature measurements is preferably non-contact temperature sensor.When measured temperature exceeded preset range, controller control draining valve 379 was opened liquid too high or too low for temperature is entered external circulating system, and opened water-supply valve 370 and replenish the temperature adjustment liquid of preference temperature to fluid reservoir 371.Overflow valve 374 can enter external circulating system with liquid when pressure is excessive, be used for preventing lower hold-down roller 301 and upper hold-down roller 302 internal liquid hypertonia.Liquid level sensor 372 is used for preventing that fluid reservoir 371 liquid levels are too high or too low.
In order to realize different purposes, 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 that roll surface is smooth roll surface, in order to improve as far as possible setting roll group 300 surface smoothnesses, then can be in lower hold-down roller 301 and upper hold-down roller 302 chrome-faceds, polishing, when adopting the thermoplastic composite strip 700 of so lower hold-down roller 301,302 pairs of unshaped soft surfaces of upper hold-down roller to finalize the design, can guarantee the fineness on thermoplastic composite strip 700 surfaces, improve thermoplastic composite strip 700 presentation qualities.
Shown in Fig. 3,4, for the surface that makes the thermoplastic composite strip 700 for the treatment of the roll extrusion typing has decoration, mark or advertising results, the roll surface of described lower hold-down roller 301, upper hold-down roller 302 is provided with for the embossing part 309 that thermoplastic composite strip 700 surfaces is carried out embossing.Namely described lower hold-down roller 301, on the roll surface carve decorative pattern of hold-down roller 302 as embossing part 309, or directly inlay embossing part 309 at roll surface, embossing part 309 extrudes the pattern wanted, literal, sign etc. on thermoplastic composite strip 700 surfaces.Embossing part 309 is alternative packs, can arrange also and can not arrange.
Except the thermoplastic composite strip 700 of simple slab construction, also wanting the supplier structure is dull and stereotyped various structure thermoplastic composite strips 700.For example: be provided with the reinforcement that protrudes thermoplastic composite strip 700 plate faces on the thermoplastic composite strip 700, projection, 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 projections 701, described groove 305 shapes and position cooperate with thermoplastic composite strip 700 shape and structures, as shown in Figure 6, in rolling process, projection 701 is placed in the groove 305, namely do not affect the roll extrusion typing of whole thermoplastic composite strip 700, so that the projection 701 of thermoplastic composite strip 700 is not pressed down tight roller 301 and 302 crimps of upper hold-down roller yet.At thermoplastic composite strip 700 three projections that are parallel to each other 701 being set in the present embodiment is reinforcements, and reinforcement vertically arranges 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 is that the thermoplastic composite strip 700 behind the cooling and shaping is repaired, and guarantees the width uniformity of thermoplastic composite strip 700, improves the presentation quality of thermoplastic composite strip 700.
Shown in Fig. 7,8, described trimming mechanism 400 comprises fixed mount 401, detachably is fixed on the cutting knife 402 on the fixed mount 401, the cutter regulating mechanism (not shown) of adjustment cutting knife 402 positions, and described fixed mount 401 is fixed on the frame 100 by cutter regulating mechanism.
Described cutting knife 402 can detachably be fixed on the 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 portions are plugged in the inserting groove, and is locked in the inserting groove by the screw 403 top pressures that are spirally connected on the installed part 405.Cutting knife 402 is two in the present embodiment, is separately positioned on thermoplastic composite strip 700 both sides.
Cutter regulating mechanism has a variety of embodiments, can adopt oil cylinder or cylinder dipper crowding gear, also can adopt the spiral dipper crowding gear.The push rod of oil cylinder or cylinder is connected on the 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 typing cooling bath 20a of splendid attire cooling fluid, the described typing 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, and described Vacuum shaping mould 20b is connected with and vacuumizes assembly to what Vacuum shaping mould 20b vacuumized.
The effect of typing cooling bath 20a is the splendid attire cooling fluid, just requires typing cooling bath 20a to have certain length, supplies the thermoplastic composite 700 of motion to carry out cooling and shaping, and other do not limit the shape of typing cooling bath 20a.Because in the typing cooling bath 20a Vacuum shaping mould 20b is set, the structure of Vacuum shaping mould 20b is box body structure, the bottom land of the cooling bath 20a that preferably finalizes the design is the plane, makes things convenient for the fixing and setting of Vacuum shaping mould 20b.The entrance of cooling fluid is arranged on typing cooling bath 20a bottom among the typing cooling bath 20a, entrance is connected with external circulation cooling system by pipeline, cooling fluid is injected typing cooling bath 20a, the other end at typing 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 typing cooling bath 20a namely flows into this mouth of pipe and keeps liquid level constant, gives typing cooling bath 20a supply cryogenic liquid, discharges high temperature coolant.
The effect of Vacuum shaping mould 20b is cooling and shaping, and to vacuumize the effect that assembly cooperates be the wrinkle defective of having eliminated thermoplastic composite 700 surfaces, improves thermoplastic composite 700 surface quality.Described Vacuum shaping mould 20b interval arranges a plurality of, and Vacuum shaping mould 20b is fixed on the groove bottom of typing cooling bath 20a.Described Vacuum shaping mould 20b is provided with import and outlet, for the typing chamber of thermoplastic composite 700 turnover stock moulds, the corresponding so that thermoplastic composite 700 of the entrance of the outlet of described Vacuum shaping mould 20b and adjacent Vacuum shaping mould 20b moves at a plurality of Vacuum shaping mould 20b cathetus.Preferred a plurality of 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 evenly to distribute in typing cooling bath 20a, also can just arrange at front portion and the middle part of typing cooling bath 20a, present embodiment is to arrange at front portion and the middle part of typing cooling bath 20a, and the rear portion of typing cooling bath 20a just adopts the cooling fluid of circulation to cool.The quantity that Vacuum shaping mould 20b arranges generally can arrange 2 ~ 7, wherein first Vacuum shaping mould 20b of front end and the corresponding setting of the outlet of the precooling stock mould of precooling mechanism according to shape and the structures shape of thermoplastic composite 700.Vacuum shaping mould 20b becomes prior art, does not repeat them here.
As shown in Figure 9, the described assembly that vacuumizes comprises vavuum pump 22, aqueous vapor separator box 21, and 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 Bas Discharged after can aqueous vapor separator box 21 being separated by vavuum pump 22 vacuumizes the typing surface of Vacuum shaping mould 20b.Because Vacuum shaping mould 20b is arranged in the cooling fluid, cooling fluid can be extracted out together when vacuumizing, enter in a large number vavuum pump 22 for fear of cooling fluid, then between vavuum pump 22 and Vacuum shaping mould 20b, aqueous vapor separator box 21 is set, aqueous vapor separator box 21 separates liquids and gases, and unnecessary liquid is discharged or is back in the typing cooling bath 20a.
Described aqueous vapor separator box 21 is connected with respectively antivoid valve 26, separate pump 23, 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 pass into air in aqueous vapor separator box 21 when vacuum is excessive, 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 9, described aqueous vapor separator box 21 passes through vacuum tube 28 UNICOMs with each Vacuum shaping mould 20b, be provided with the cooling integrated support 27 with inner chamber between described aqueous vapor separator box 21 and the Vacuum shaping mould 20b, each stock mould vacuum tube 28 can with cooling integrated support 27 UNICOMs.Cooling integrated support 27 is used for vacuumizing being connected of assembly and Vacuum shaping mould 20b.
Cooling integrated support 27 is provided with vacuum meter 25, is convenient to vacuum negative pressure is adjusted control.
Shown in Fig. 3,9, the setting of described position adjusting mechanism 600 for about the roll extrusion shaping equipment, the position, all around is adjustable, to guarantee the relative position between thermoplastic compound extruded mould and the roll extrusion shaping equipment.Position adjusting mechanism 600 is arranged on the below of frame 100 bottoms, frame platform 101, and position adjusting mechanism 600 comprises elevating mechanism 601, the vertical guiding mechanism 602 of adjusting frame 100 lengthwise positions of adjusting frame 100 height and the transverse adjusting mechanism 603 of adjusting frame 100 lateral attitudes.Described position adjusting mechanism 600 is a selection mechanism, can arrange also and can not arrange.
Wherein, elevating mechanism 601, vertical guiding mechanism 602 show that in Fig. 9 transverse adjusting mechanism 603 shows in Fig. 3.
As shown in Figure 9, elevating mechanism 601 can be selected 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 all are prior aries, do not repeat them here.Select worm-and-wheel gear in the present embodiment.
Elevating mechanism 601 and vertical guiding mechanism 602 all can be power-actuated worm-and-wheel gear.Elevating mechanism 601 is at least four, and four jiaos of frame 100 are set respectively, and elevating mechanism 601 bottoms all are provided with roller, is used for frame 100 integral body and moves forward and backward.Elevating mechanism 601 can make frame platform 101 along the even oscilaltion of worm screw that is fixed on the base 102 by power-actuated worm gear rotation, aligns with the axis height of thermoplastic compound extruded mould.Vertically guiding mechanism 602 is at least one, a vertical guiding mechanism 602 is arranged on frame 100 middle parts, can be by power-actuated worm screw rotation, roll extrusion shaping equipment with roller is slided along track, move forward and backward the position suitable with the compound extrusion die of thermoplastic distance with respect to the worm gear that fixes on the ground along the direction of extruding of thermoplastic composite strip 700.Frame 100 is horizontal, be frame platform 101 along with the direction of extruding perpendicular direction of thermoplastic composite strip 700, available manual screw mechanism reconditioner pallet 101 transverse shiftings make 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 that thermoplastic composite strip 700 is drawn, the mode of traction has for example multiple: carry-over pinch rolls 801, carry-over pinch rolls 802 to turning under motor-driven, push tight thermoplastic composite strip 700 and drive backward motion of thermoplastic composite strip 700.Carry-over pinch rolls 801, carry-over pinch rolls 802 two ends are provided with regulating part 803, and regulating part 803 is used for regulating the spacing between carry-over pinch rolls 801, the 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 the spiral dipper crowding gear, and the same hold-down roller guiding mechanism 306 of concrete structure does not repeat them here.
Except among the embodiment haulage gear 800 being arranged on the frame 100, haulage gear can also arrange separately, and the rear of operated by rotary motion frame only needs to be used for the thermoplastic composite strip is realized that the straight line traction gets final product.
Claims (11)
1. dry sizing device, it is characterized in that, comprise frame, set gradually on the described frame be useful on to the thermoplastic composite strip of from pressurizing unit, sending carry out the setting roll group of precooling mechanism, the typing of extruding thermoplastic composite strip of precooling, trimming mechanism that the edge of thermoplastic composite strip is repaired, the further Vacuum shaping mechanism of typing; 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, haulage gear straight line are arranged.
2. dry sizing device according to claim 1, it is characterized in that described dry sizing device also comprises be used to the position adjusting mechanism of 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, it is characterized in that, described precooling mechanism comprises and is provided with the precooling stock mould with typing chamber in the precooling cooling bath of splendid attire cooling fluid, the described precooling cooling bath, described precooling shaper is contained in outside the thermoplastic composite strip of motion, and described precooling stock mould is connected with and vacuumizes assembly to what the precooling stock mould vacuumized.
4. dry sizing device according to claim 1 and 2, it is characterized in that, described setting roll group comprise paired setting to the lower hold-down roller that turns and upper hold-down roller, the upper hold-down roller guiding mechanism that is used for adjusting spacing between upper hold-down roller and the lower hold-down roller that is connected with upper hold-down roller.
5. dry sizing device according to claim 4, it is characterized in that, be respectively equipped be used to the cooling chamber that passes into temperature adjustment liquid in described lower hold-down roller and the upper compression roll shaft, outlet and the entrance of described cooling chamber are respectively arranged with swivel joint, and described swivel joint connects temperature adjustment liquid cycling mechanism.
6. dry sizing device according to claim 4 is characterized in that, the roll surface of described lower hold-down roller, upper hold-down roller is smooth, and perhaps the roll surface of described lower hold-down roller, upper hold-down roller is provided with for the embossing part that thermoplastic composite strip surface is carried out embossing.
7. dry sizing device according to claim 4, 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 cooperate with thermoplastic composite strip shape and structure.
8. dry sizing device according to claim 1 and 2, it is characterized in that, described trimming mechanism comprises fixed mount, detachably is fixed on the cutting knife on the fixed mount, the cutter regulating mechanism of adjustment cutter location, and described fixed mount is fixed on the frame by cutter regulating mechanism.
9. dry sizing device according to claim 1 and 2, it is characterized in that, described Vacuum shaping mechanism comprises and is provided with the Vacuum shaping mould with typing chamber in the typing cooling bath of splendid attire cooling fluid, the described typing cooling bath, described Vacuum shaping die sleeve is contained in outside the thermoplastic composite strip of motion, and described Vacuum shaping mould is connected with and vacuumizes assembly to what the Vacuum shaping mould vacuumized.
10. vacuum sizing device according to claim 9, it is characterized in that, described Vacuum shaping mode spacing arranges a plurality of, the outlet of the 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, so that the thermoplastic composite strip moves at a plurality of Vacuum shaping mould cathetus.
11. dry sizing device according to claim 1 and 2, it is characterized in that, described position adjusting mechanism is arranged on frame lower, and position adjusting mechanism comprises elevating mechanism, the vertical guiding mechanism of adjusting the frame lengthwise position of adjusting bracket height and the transverse adjusting mechanism of adjusting the frame lateral attitude.
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| CN201310003763.7A CN103057094B (en) | 2013-01-06 | 2013-01-06 | Dry sizing device |
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| CN201310003763.7A CN103057094B (en) | 2013-01-06 | 2013-01-06 | Dry sizing device |
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