CN207564907U - TPU and ABS composite board equipment - Google Patents

Abstract

The utility model discloses a kind of TPU and ABS composite board equipment, squeeze out unit including surface layer TPU, bottom ABS squeezes out unit, composite die, three-roller forming machine, longitudinally cutting unit, transverse direction cut unit and plank supply unit in mould.For two kinds of material characteristic differences, mold innovation is using complex method in mould, it can be achieved that surface layer and the disposable extrusion molding of bottom；Composite die also innovative design regulative mode, can carry out choked flow stick adjusting, it is ensured that two layers of melt discharging is uniform, and product overall thickness fine tuning can be carried out at die-lip exit, and regulative mode is simple and convenient with respect to traditional moulds in mold unilateral side in the mould；It is uniform that discharging can be achieved, it is ensured that sheet material layering is uniform, and ensures the flatness of plate face, the glossiness of plate surface；Yield is high, can improve productivity, saves power supply, is conducive to the development in market.

Description

TPU and ABS composite board equipment

Technical field

The utility model is related to composite board processing equipment fields, are set more particularly to a kind of TPU and ABS composite boards It is standby.

Background technology

TPU is widely used in the automotive meter of the numerous areas such as all kinds of locomotives, trolley case currently on the market with ABS composite plates Dash board, mostly using PVC/ABS sheet vacuum plastics sucking mouldings, wherein polyvinyl chloride resin adds in process to increase flexibility A large amount of plasticizer, the plasticity and flexibility for making plastics increase, but make mechanical properties decrease, while flexible PVC is quick to stress Sense, cannot restore completely after deformation, and thermal stability is poor, can cause different degrees of degradation after heated.It is lacked for more than product It falling into, the research and development of my company are more environmentally friendly, comfort more preferably TPU/ABS composite boards equipment, compared with PVC, TPU material uvioresistants Line and long term heat ageing performance are good, and density ratio PVC low 15%, and wearability is more excellent, meets Hyundai Motor lightweight and high-environmental Demand；In addition, TPU/ABS using combination process in mould, is different from the complex method of traditional gluing, product not emitting formaldehyde, Free from extraneous odour will not cause interior secondary pollution, while manufacture cost and be greatly reduced, and meet modern industry low energy consumption, low be processed into This market demand, with the large-scale popularization of product, which also has preferable market prospects.

Utility model content

The utility model embodiment provides a kind of TPU and ABS composite board equipment, and the very big material of two species diversity is compound Together, the controls such as temperature by device structure and in the process obtain the plank that flatness is good, glossiness is good.

TPU and ABS composite board equipment squeeze out unit including surface layer TPU, bottom ABS squeezes out unit, compound die in mould Tool, longitudinally cutting unit, laterally cuts unit and plank supply unit at three-roller forming machine；The surface layer TPU squeezes out unit packet Include surface layer TPU extruders, surface layer net-changing device and surface layer metering pump；The bottom ABS squeezes out unit and is squeezed out including bottom ABS Machine, bottom net-changing device and bottom metering pump；Composite die includes preceding ontology, upper body and lower body in the mould, described Surface layer TPU feeding-passages, shape between the upper body and the lower body are formed between preceding ontology and the upper body Into bottom ABS feeding-passages, the cross section for adjusting the surface layer TPU feeding-passages is provided on the preceding ontology The TPU of size adjusts choked flow stick, and the cross section for adjusting the bottom ABS feeding-passages is provided in the upper body Size ABS adjust choked flow stick, discharge port, the three-roll formation are formed between the preceding ontology and the lower body Machine includes the upper roller, central roll and the lower roll that set gradually, and the discharge port is directed toward between the central roll and the lower roll, from Longitudinally cutting unit between the central roll and the lower roll, between the upper roller and the central roll, described is to institute The transverse direction stated cuts the forming path that unit forms plank.

Preferably, the longitudinally cutting unit and the transverse direction are provided with to carry out plank between cutting unit The cooling bracket of natural cooling sets several carrying rollers on the cooling bracket.

Preferably, the cooling bracket is 12m along the length on plank moving direction.

Preferably, the upper roller and the lower roll are mirror roller, are each filled in the upper roller and the lower roll Hot water；The central roll is sand roller, is full of cooling water in the central roll.

Preferably, it opens up on the preceding ontology there are one U-shaped notch, is provided between the both sides of the U-shaped notch For adjusting the tensioning mechanism of the thickness of the discharge port.

Preferably, the position on the preceding ontology between the U-shaped notch and the discharge port offers One groove, the opposite side that the U-shaped notch is located on the preceding ontology offer limit hole, the tensioning mechanism packet It includes the tension bolt being through in the limit hole, the tension hook being fixed on the end of the tension brush and hooks described Tension hook and the groove between transition drag hook, the other end of the tension bolt is coaxially arranged with the rotation that can be rotated Transfer part, the rotating part have external screw thread, and tightening nut, tightening nut screw thread dress are provided on the preceding ontology It fits on the rotating part.

Preferably, corresponding upper roller, the central roll and the lower roll are set respectively on the three-roller forming machine It is equipped with back-and-forth motion mechanism.

Preferably, the longitudinally cutting unit include the crossbeam set perpendicular to plank moving direction, can be movably Two cutting mechanisms being arranged on the crossbeam, the cutting mechanism described in two are located at the both sides of plank respectively.

Preferably, the longitudinally cutting unit and the transverse direction are provided with dragger between cutting unit, described Dragger includes that the upper carry-over pinch rolls of plank movement and lower carry-over pinch rolls can be clamped.

Preferably, composite discharge channel, the composite discharge are formed between the preceding ontology and the lower body Channel includes the increased slack strand in cross section.

The composite board equipment of the utility model, for two kinds of material characteristic differences, mold innovation is using compound in mould Mode is, it can be achieved that surface layer and the disposable extrusion molding of bottom, and affecting one another between two kinds of materials of decrease, die body transition zone is adopted With Design on thermal insulation, and equipped with independent oily temperature control system；Composite die also innovative design regulative mode in the mould, can be in mold Unilateral side carries out choked flow stick adjusting, it is ensured that two layers of melt discharging is uniform, and product overall thickness fine tuning can be carried out at die-lip exit, adjusts Section mode is simple and convenient with respect to traditional moulds；TPU melt viscosities are larger, need to carry out the central roll for contacting TPU in extrusion Cooling is forced, upper roller and lower roll need to be heated, this equipment is equipped with independent cooling-water machine and water heater, be realized by PID automatic It adjusts, it is ensured that roller surface temperature is in temperature constant state；Two extruders are equipped with a gear pump, are realized and pressed by PLC Power closed-loop control, it is ensured that pressure stability is, it can be achieved that discharging is uniform after melt enters die cavity, it is ensured that sheet material thickness is consistent, and ensures The flatness of plate face, the glossiness of plate surface；Yield is high, can improve productivity, saves power supply, is conducive to the hair in market Exhibition.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is that the TPU and surface layer TPU in ABS composite board equipment that the utility model embodiment provides squeezes out unit Structure diagram；

Fig. 2 is that the TPU and bottom ABS in ABS composite board equipment that the utility model embodiment provides squeezes out unit Structure diagram；

Fig. 3 is the structure of TPU and composite die in the mould in ABS composite board equipment that the utility model embodiment provides Schematic diagram；

Fig. 4 is the TPU and three-roller forming machine, longitudinally cutting in ABS composite board equipment that the utility model embodiment provides Unit, dragger, the structure diagram for laterally cutting unit, cooling bracket and plank supply unit.

Reference sign：

1- surface layers TPU squeezes out unit, 101- surface layers TPU extruders, 102- surface layers net-changing device, 103- surface layers metering pump, 2- Bottom ABS squeezes out unit, 201- bottom ABS extruders, 202- bottom net-changing devices, 203- bottom metering pumps, compound die in 3- moulds Have, ontology before 301-, 302- upper bodies, 303- lower bodies, 304-TPU adjusts choked flow stick, and 305-ABS adjusts choked flow stick, 306- Tension bolt, 307- tension hooks, 308- transition drag hooks, 309- rotating parts, 310- tightening nuts, 4- three-roller forming machines, 401- upper rollers, 402- central rolls, 403- lower rolls, 5- longitudinally cutting units, 6- draggers, 7- laterally cut unit, 8- cooling brackets, and 9- planks are defeated Send unit.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

As shown in Figures 1 to 4, a kind of TPU and ABS composite board equipment squeeze out unit 1, bottom ABS including surface layer TPU Composite die 3, three-roller forming machine 4, longitudinally cutting unit 5, transverse direction cut unit 7 and plank supply unit in extrusion unit 2, mould 9；The surface layer TPU squeezes out unit 1 and includes surface layer TPU extruders 101, the table being connected with the material outlet of TPU extruders Layer net-changing device 102 and the surface layer metering pump 103 being connected with the discharge port of the surface layer net-changing device 102；The bottom ABS Squeeze out unit 2 include bottom ABS extruders 201, the bottom net-changing device 202 that is connected with the material outlet of ABS extruders and with The bottom metering pump 203 that the discharge port of the bottom net-changing device 202 is connected；Composite die 3 includes preceding sheet in the mould Body 301, upper body 302 and lower body 303, between the preceding ontology 301 and the upper body 302 formed surface layer TPU into Expect channel, bottom ABS feeding-passages, the preceding ontology are formed between the upper body 302 and the lower body 303 It is provided on 301 and adjusts choked flow stick 304 for adjusting the TPU of size of the cross section of the surface layer TPU feeding-passages, specifically Ground, when TPU adjust choked flow stick 304 to upper body 302 close to when, TPU feeding-passages are thinning, reduce charging；When TPU adjusts choked flow When stick 304 is far from upper body 302, TPU feeding-passages are thickening, increase charging；It is provided with to adjust in the upper body 302 The ABS of the size of the cross section of the bottom ABS feeding-passages adjusts choked flow stick 305, specifically, when ABS adjusts choked flow stick 305 to lower body 303 close to when, ABS feeding-passages are thinning, reduce charging；When ABS adjusts choked flow stick 305 far from lower body 303 When, ABS feeding-passages are thickening, increase charging；Discharge port is formed between the preceding ontology 301 and the lower body 303, institute The three-roller forming machine 4 stated includes the upper roller 401, central roll 402 and the lower roll 403 that set gradually, and the discharge port is directed toward described Between central roll 402 and the lower roll 403, upper roller 401 between the central roll 402 and the lower roll 403, described with Longitudinally cutting unit 5 to the transverse direction between the central roll 402, described cuts the forming path that unit 7 forms plank, The longitudinally cutting unit 5 and the transverse direction are provided with to carry out the cold of natural cooling to plank between cutting unit 7 But bracket 8, set several carrying rollers on the cooling bracket 8, and the cooling bracket 8 is along the length on plank moving direction For 12m, the upper roller 401 and the lower roll 403 are mirror roller, are filled in the upper roller 401 and the lower roll 403 Full hot water；The central roll 402 is sand roller, and cooling water is full of in the central roll 402, is opened up on the preceding ontology 301 There are one U-shaped notch, be provided between the both sides of the U-shaped notch for adjust the discharge port thickness fastener Structure, the position on the preceding ontology 301 between the U-shaped notch and the discharge port are opened up there are one groove, Limit hole is offered positioned at the opposite side of the U-shaped notch on the preceding ontology 301, the tensioning mechanism includes being through It tension bolt 306 in the limit hole, the tension hook 307 being fixed on the end of the tension brush and hooks described Tension hook 307 and the groove between transition drag hook 308, the other end of the tension bolt 306 is coaxially arranged with energy The rotating part 309 enough rotated, the rotating part 309 have external screw thread, tightening nut are provided on the preceding ontology 301 310,310 Screw assembly of tightening nut is on the rotating part 309, on the three-roller forming machine 4 described in correspondence Upper roller 401, the central roll 402 and the lower roll 403 be respectively arranged with back-and-forth motion mechanism, the longitudinally cutting list Member 5 is included perpendicular to the crossbeam that plank moving direction is set, two guillotines that can be movably arranged on the crossbeam Structure, cutting mechanism described in two are located at the both sides of plank respectively, and the distance between two cutting mechanisms are required plank Width, the longitudinally cutting unit 5 and the transverse direction are provided with dragger 6 between cutting unit 7, laterally cut unit 7 carry out fixed length according to the length of required plank cuts, and the dragger 6 includes the upper carry-over pinch rolls that can clamp plank movement With lower carry-over pinch rolls, composite discharge channel is formed between the preceding ontology 301 and the lower body 303, after hierarchical composite TPU and ABS is discharged from composite discharge channel, and the composite discharge channel includes the increased slack strand in cross section, and material passes through - fluffy-process compressed is compressed to improve toughness, enhance performance.

To sum up, which is directed to two kinds of material characteristic differences, and mold innovation, can using complex method in mould Realize surface layer and the disposable extrusion molding of bottom, affecting one another between two kinds of materials of decrease, die body transition zone is using heat-insulated Design, and equipped with independent oily temperature control system；Composite die also innovative design regulative mode in the mould, can mold unilateral side into Row choked flow stick is adjusted, it is ensured that two layers of melt discharging is uniform, and product overall thickness fine tuning, regulative mode can be carried out at die-lip exit It is simple and convenient with respect to traditional moulds；TPU melt viscosities are larger, in extrusion need that the central roll for contacting TPU force cold But, upper roller and lower roll need to be heated, this equipment is equipped with independent cooling-water machine and water heater, realized and automatically adjusted by PID, really It protects roller surface temperature and is in temperature constant state；Two extruders are equipped with a gear pump, and pressure closed loop control is realized by PLC System, it is ensured that pressure stability is, it can be achieved that discharging is uniform after melt enters die cavity, it is ensured that sheet material thickness is consistent, and ensures the flat of plate face Whole degree, the glossiness of plate surface；Yield is high, can improve productivity, saves power supply, is conducive to the development in market.

Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.

Claims (10)

1.TPU and ABS composite board equipment, which is characterized in that squeeze out unit including surface layer TPU, bottom ABS squeezes out unit, mould Interior composite die, longitudinally cutting unit, laterally cuts unit and plank supply unit at three-roller forming machine；The surface layer TPU is squeezed Go out unit and include surface layer TPU extruders, surface layer net-changing device and surface layer metering pump；The bottom ABS squeezes out unit and includes bottom ABS extruders, bottom net-changing device and bottom metering pump；Composite die includes preceding ontology, upper body and lower body in the mould, Surface layer TPU feeding-passages, the upper body and the lower body are formed between the preceding ontology and the upper body Between form bottom ABS feeding-passages, the horizontal stroke for adjusting the surface layer TPU feeding-passages is provided on the preceding ontology The TPU of the size in section adjusts choked flow stick, is provided with to adjust the bottom ABS feeding-passages in the upper body The ABS of the size of cross section adjusts choked flow stick, forms discharge port between the preceding ontology and the lower body, and described three Roller molding machine includes the upper roller, central roll and the lower roll that set gradually, and the discharge port is directed toward the central roll and the lower roll Between, between the upper roller and the central roll between the central roll and the lower roll, described, the longitudinally cutting list Member to the transverse direction cuts the forming path that unit forms plank.

2. TPU as described in claim 1 and ABS composite board equipment, which is characterized in that the longitudinally cutting unit and institute The transverse direction stated cuts the cooling bracket being provided between unit for carrying out natural cooling to plank, is set on the cooling bracket Put several carrying rollers.

3. TPU as claimed in claim 2 and ABS composite board equipment, which is characterized in that the cooling bracket is moved along plank Length on dynamic direction is 12m.

4. TPU as described in claim 1 and ABS composite board equipment, which is characterized in that the upper roller and the lower roll For mirror roller, hot water is each filled in the upper roller and the lower roll；The central roll is sand roller, is filled in the central roll Full cooling water.

5. TPU as described in claim 1 and ABS composite board equipment, which is characterized in that offer one on the preceding ontology A U-shaped notch, be provided between the both sides of the U-shaped notch for adjust the discharge port thickness tensioning mechanism.

6. TPU as claimed in claim 5 and ABS composite board equipment, which is characterized in that be located on the preceding ontology described U-shaped notch and the discharge port between position open up there are one groove, described U-shaped lack is located on the preceding ontology The opposite side of mouth offers limit hole, and the tensioning mechanism includes the tension bolt being through in the limit hole, is fixed on institute The tension hook on the end of tension bolt stated and transition drag hook between the tension hook and the groove is hooked, institute The other end of tension bolt stated is coaxially arranged with the rotating part that can be rotated, and the rotating part has external screw thread, before described Tightening nut is provided on ontology, the tightening nut Screw assembly is on the rotating part.

7. TPU as described in claim 1 and ABS composite board equipment, which is characterized in that corresponding on the three-roller forming machine Upper roller, the central roll and the lower roll is respectively arranged with back-and-forth motion mechanism.

8. TPU as described in claim 1 and ABS composite board equipment, which is characterized in that the longitudinally cutting unit includes Crossbeam perpendicular to the setting of plank moving direction, two cutting mechanisms that can be movably arranged on the crossbeam, two The cutting mechanism is located at the both sides of plank respectively.

9. TPU as described in claim 1 and ABS composite board equipment, which is characterized in that the longitudinally cutting unit and institute The transverse direction stated, which is cut, is provided with dragger between unit, the dragger include the upper carry-over pinch rolls that can clamp plank movement and Lower carry-over pinch rolls.

10. TPU as described in claim 1 and ABS composite board equipment, which is characterized in that the preceding ontology with it is described Composite discharge channel is formed between lower body, the composite discharge channel includes the increased slack strand in cross section.