CN112745643A - High-gloss enhanced PBT material and production method thereof - Google Patents
High-gloss enhanced PBT material and production method thereof Download PDFInfo
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- CN112745643A CN112745643A CN202011522951.7A CN202011522951A CN112745643A CN 112745643 A CN112745643 A CN 112745643A CN 202011522951 A CN202011522951 A CN 202011522951A CN 112745643 A CN112745643 A CN 112745643A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 112
- 239000002994 raw material Substances 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 239000003365 glass fiber Substances 0.000 claims abstract description 29
- -1 polybutylene terephthalate Polymers 0.000 claims abstract description 26
- 229920000642 polymer Polymers 0.000 claims abstract description 21
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 16
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 238000007667 floating Methods 0.000 claims abstract description 16
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 41
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- 239000004698 Polyethylene Substances 0.000 description 4
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- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
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Abstract
The invention relates to a high-gloss enhanced PBT material and a production method thereof, which comprises the following components: polybutylene terephthalate, a high-surface polymer, an antioxidant, a compatilizer, an anti-floating fiber agent, a lubricant and profiled glass fiber, wherein the content of seven components is as follows: polybutylene terephthalate: 20-60%; high surface polymer: 10-20%; antioxidant: 0.5 percent; a compatilizer: 1-3%; anti-floating fiber agent: 0.5-1%; lubricant: 0.5-1%; profiled glass fiber: 30-50%. According to the high-gloss enhanced PBT material and the production method thereof, impurities can be effectively filtered through the filtering mechanism to ensure the gloss of the PBT material, and waste is avoided through reasonable improvement of a production line, so that the raw material utilization rate is higher, and the product performance is better.
Description
Technical Field
The invention relates to a high-gloss enhanced PBT material and a production method thereof, belonging to a PBT material and a preparation method thereof.
Background
PBT is polybutylene terephthalate or polybutylene terephthalate, belongs to thermoplastic polyester, and is formed by polycondensation of 1, 4-butanediol and terephthalic acid or terephthalate, and is milky-white, translucent to opaque and crystalline thermoplastic polyester resin prepared by a mixing procedure. After the enhancement modification, along with the increase of the content of the glass fiber, although the strength, the heat resistance and the like of the material are improved, the compatibility of the glass fiber and the PBT is reduced, and the surface smoothness of the product is reduced
Most of high-purity PBT resin is processed into a compound for use, can obtain good comprehensive properties such as heat resistance, flame retardance, electric insulation and the like and good processing properties by being blended with other resins through modification of various additives, can be widely used in the industries such as electric appliances, automobiles, aircraft manufacturing, communication, household appliances, transportation and the like, for example, the PBT is modified by glass fibers and the like, can be used for manufacturing electronic parts which require high dimensional stability under the working condition of high temperature for a long time, has high breakdown voltage, is suitable for manufacturing high-voltage-resistant parts, is suitable for injection processing of electrical parts with complex structures, such as sockets of integrated circuits, printed circuit boards, computer keyboards, electrical switches, fuses, temperature control switches, protectors and the like, automobile bumpers, carburetors, spark plugs, oil supply system parts, igniters and the like due to good fluidity of the molten state, PBT is widely used in integrated modules, wiring boards, electric tools and the like of program-controlled telephones in the communication field; the application range of the high-gloss reinforced PBT material is also increasing.
In the production process of PBT, raw materials are inevitably mixed with some metal scraps or even metal powder in the raw materials at the early stage and the middle stage of production due to the problems of material supply, production procedures, machines and the like, and the PBT material is difficult to sort through a conventional screening mechanism, so that the purity of the produced PBT material is not high, and therefore an impurity removing mechanism capable of separating metal impurities is urgently needed.
Meanwhile, the PBT raw material needs to be fully stirred at high speed for the second time by using a stirring cylinder, so that all components are fully and uniformly mixed, and then the mixture is discharged; but have the material to glue on the inner tube wall during the churn ejection of compact, and the material that is difficult to on these adhesion inner tube wall in the stirring process is cleared up to lead to long-time back material pile to be used on the inner tube wall, not only having caused the waste, influenced stirring effect and unloading speed moreover, for this reason, need for one kind and can solve the agitating unit of above-mentioned problem urgently.
In addition, the PBT is subjected to water cooling forming during granulation, so that the granulated PBT particles are dried at the temperature of 110-120 ℃ for about 3 hours so as to remove water; when the PBT material is dried in a high-temperature environment, static PBT materials are easy to bond together, and the conventional material drying vibration bed has poor vibration effect, so that the materials stay in the vibration bed for a long time, the production efficiency is reduced, and the special vibration bed for PBT is urgently needed.
Finally, after the molded body of the PBT is produced, workers need to cool the PBT to perform further processing, two cooling methods are generally adopted at present, one is that when the PBT is subjected to vibration separation by adopting a turntable vibration table, the PBT is naturally cooled by a natural cooling method, the cooling efficiency of the method is low, and the processing progress is hindered, and the other is that the PBT is put into a cooling box for cooling, but the operation flow of the method is complex, and the working time of the workers is occupied for a long time, so that a special cooling mechanism for the PBT is needed.
In view of the above, there is a need for a high gloss reinforced PBT material and a method of producing the same that can solve the above problems.
Disclosure of Invention
The invention aims to overcome the defects and provide a high-gloss enhanced PBT material and a production method thereof, impurities can be effectively filtered and impurities can be effectively filtered through a filtering mechanism to ensure the gloss of the PBT material, and the waste is avoided through reasonable improvement of a production line, so that the raw material utilization rate is higher, and the product performance is better.
The purpose of the invention is realized as follows:
a high-gloss enhanced PBT material comprises the following components: polybutylene terephthalate, a high-surface polymer, an antioxidant, a compatilizer, an anti-floating fiber agent, a lubricant and profiled glass fiber, wherein the content of seven components is as follows:
polybutylene terephthalate: 20-60%;
high surface polymer: 10-20%;
antioxidant: 0.5 percent;
a compatilizer: 1 to 3 percent
Anti-floating fiber agent: 0.5-1%;
lubricant: 0.5 to 1 percent
Profiled glass fiber: 30-50%.
A production method of a high-gloss enhanced PBT material is based on a high-gloss enhanced PBT material production line and comprises a filtering device, wherein mixed materials enter the filtering device to remove metal impurities and then enter a stirring device to be stirred, the stirred materials are pumped into a feeding mechanism and then enter an extruding mechanism, the materials extruded by the extruding mechanism are cut into granules by a granulator and then are introduced into a vibrating bed for precooling, and the precooled materials are sucked or introduced into a cooling mechanism by a material lifting mechanism for cooling;
the materials entering the filtering device are subjected to primary mixing in advance, the stirring temperature is 80-100 ℃, the stirring speed is 6000-10000rpm, the stirring pressure is normal pressure, and the stirring time is controlled to be 3-10 min;
the filtering device comprises a base, a support is fixedly connected to the upper surface of the base, a material spreading groove is fixedly connected to the top of the support, a material spreading wheel is rotatably connected to the interior of the material spreading groove, a first motor is fixedly connected to one side of the material spreading wheel, a sorting groove is fixedly connected to one side of the material spreading groove, an adsorption wheel is rotatably connected to the interior of the sorting groove, a rotating shaft is rotatably connected to one side of the sorting groove, which is far away from the adsorption wheel, a conveying belt is movably connected to the outer surfaces of the rotating shaft and the adsorption wheel, and a second motor is fixedly connected to one side of the rotating shaft; the bottom of the base is fixedly connected with a sliding rail, and a raw material box is connected inside the sliding rail in a sliding manner; one side of the sorting groove is fixedly connected with a temporary storage box, and a partition plate is movably connected inside the temporary storage box; one side of the temporary storage box is fixedly connected with a fixed block, and one side of the fixed block is fixedly connected with a material passing groove; a metal material box is arranged on one side of the temporary storage box, and a discharge hole is formed in one side of the temporary storage box, which is far away from the fixed block; one side fixedly connected with peg that the case of keeping in is close to the fixed block, the one side that the case of keeping in is close to the discharge gate is provided with the pull rod.
The stirring device comprises a connecting arm, wherein a rear mounting plate is fixedly connected to one side of the connecting arm, a side mounting plate is fixedly connected to the bottom end of the connecting arm, a cylinder seat is fixedly connected to the top end of the connecting arm, a pin shaft is arranged inside the cylinder seat, a cylinder is movably mounted inside the cylinder seat through the pin shaft, a rotating shaft is arranged at the other end of the cylinder, a transmission rod is movably mounted at one end of the cylinder through the rotating shaft, a rotating rod is rotatably connected to the middle of the transmission rod, a mounting rod is fixedly connected to the other end of the transmission rod, long springs are fixedly connected to both sides of the outer surface of the mounting rod, short springs are fixedly connected to the middle of the mounting rod, and impact blocks are fixedly; bolts are arranged at two ends of the rear mounting plate, and a mixing drum bracket is fixedly mounted at the bottom end of the rear mounting plate through the bolts; one end of the side mounting plate is fixedly mounted with a mixing drum bracket through a bolt, and a mixing drum is fixedly mounted at the top end of the mixing drum bracket; the two ends of the rotating rod are fixedly connected with the connecting arm, and the middle part of the transmission rod is rotatably connected with the connecting arm through the rotating rod; a shaft clamp is arranged at one end of the pin shaft, and the interior of the cylinder seat is fixedly installed with the pin shaft through the shaft clamp; the number of the long springs is four, and the long springs and the short springs are made of carbon spring steel.
The vibration bed comprises a feeding box, a first motor is fixedly mounted on the inner wall of the feeding box, a rotating rod is fixedly mounted at the output end of the first motor, a rotating block is sleeved on the outer surface of the rotating rod, a striking rod is fixedly connected to one side of the rotating block, a guide post is movably connected to one end of the striking rod, an upper box body is fixedly connected to the top of the guide post, a first spring is fixedly connected to the bottom of the upper box body, a lower box body is fixedly connected to one end of the first spring, a transverse plate is fixedly mounted on the inner wall of the feeding box, a second motor is fixedly mounted at the top of the transverse plate, a rotating shaft is fixedly mounted at the output end of the second motor, a cam is fixedly connected to the outer surface of the rotating shaft, and a striking rod is movably connected to; one end of the impact rod is movably connected with a hollow column, and a feeding plate is fixedly installed on one side of the hollow column; a support column is fixedly installed at the top of the feeding box, a threaded plate is fixedly connected to the top of the support column, and a threaded rod is connected to the inner thread of the threaded plate; the outer surface of the supporting column is sleeved with an extrusion block, the bottom of the extrusion block is fixedly connected with a connecting rod, and the outer surface of the connecting rod is sleeved with a second spring; one end of the connecting rod is fixedly connected with a material baffle plate, and a carding block is fixedly arranged at the bottom of the material baffle plate; the top of the upper box body is fixedly connected with an air inlet pipe, and the inner wall of the upper box body is fixedly provided with a vibrating plate.
The cooling mechanism comprises a rotary table vibrating table, a station table is fixedly connected to the center of the top of the rotary table vibrating table, a spiral rod is fixedly connected to the center of the top of the station table, a spiral plate is fixedly connected to the outer surface of the spiral rod and is arranged in a threaded manner, a sliding cavity is formed in the spiral plate, bearing grooves are formed in two sides of the inner wall of the sliding cavity, bearings are arranged in the bearing grooves, a conveying roller is rotatably connected to the interior of each bearing, a conveying belt is connected to one side of the conveying roller in a transmission manner, a positioning table is fixedly connected to the top of the spiral rod, a feeding channel is arranged on one side of the positioning table, and a feeding pipe is fixedly connected to the bottom of the feeding channel; one side of the outer surface of the station table is fixedly connected with a discharge channel, and one side of the discharge channel is fixedly connected with a discharge hopper; a motor frame is fixedly connected to one side of the outer surface of the positioning table, a motor box is arranged in the motor frame, and a motor is arranged in the motor box; the output end of the motor is rotatably connected with a motor rotating shaft, one end of the motor rotating shaft penetrates through the outside of the motor box, and one end of the motor rotating shaft is fixedly connected with a radiating blade; springs are arranged inside the rotary table vibration table, and the number of the springs is a plurality; the bottom fixedly connected with gusset plate of carousel shaking table, the inside both sides of gusset plate all set up threaded hole, the inside threaded connection of screw hole has the bolt, just the quantity of bolt is four.
Compared with the prior art, the invention has the beneficial effects that:
compared with the traditional reinforced PBT, the high-gloss reinforced PBT resin has better surface finish; meanwhile, the high-gloss enhanced PBT resin disclosed by the invention has the advantages that the compatibility of the glass fiber and other components with PBT is improved by adding the compatilizer, and the physical properties of the material can be improved; finally, the high gloss reinforced PBT resin of the invention has higher flowability than conventional reinforced PBT, while also partially improving the flatness.
The filtering device comprises a support, a material spreading groove, a material spreading wheel, a first motor, a sorting groove, an adsorption wheel, a rotating shaft, a conveying belt, a raw material box, a temporary storage box, a material passing groove, a metal material box and a discharge hole, wherein the support provides supporting force for the material spreading groove and the sorting groove, so that the material spreading groove and the sorting groove are inclined, a raw material mixed with metal scraps enters the material spreading groove and flows along the bottom of the material spreading groove, the first motor drives the material spreading wheel to rotate anticlockwise, so that the raw material mixed with the metal scraps is completely spread and spread, then flows through the material spreading groove and enters the sorting groove, the second motor drives the rotating shaft to rotate, the rotating shaft and the adsorption wheel are movably connected through the conveying belt, therefore, the rotating shaft, the conveying belt and the adsorption wheel synchronously rotate, the adsorption wheel is a powerful magnet, when the raw material mixed with the metal scraps is spread and passes, the material box is moved along with the conveying belt, falls into the material passing groove and finally enters the metal material box, the raw materials enter the temporary storage box through the sorting groove, and finally enter the raw material box through the discharging port to thoroughly sort the metal scraps and the raw materials, so that the workload of workers is reduced, the raw materials are pure, and the purity of the produced PBT material is higher. Meanwhile, the base provides supporting force and stability for the whole device through the matched arrangement of the base, the slide rail, the partition plate, the fixing block, the hanging rod and the pull rod, workers can clean the raw material box more conveniently and labor-saving through the arrangement of the slide rail, the material passing groove is fixed conveniently through the arrangement of the fixing block, the partition plate and the pull rod are connected through the pull belt, one side of the partition plate is hinged with the inner wall of the temporary storage box, the pull rod is pulled, one side of the partition plate can ascend to the horizontal position, the partition plate can serve as the bottom of the temporary storage box temporarily at the moment, raw materials cannot flow out through the discharge hole, the pull rod can be fixed temporarily through the hanging rod after being stretched, the arrangement is convenient for the workers, the raw material box can be cleaned or replaced without stopping equipment, and the production efficiency can be improved to a certain degree.
The stirring device is characterized in that the connecting arm, the air cylinder, the rotating shaft, the transmission rod, the rotating rod and the impact block are arranged in a matched mode, when the stirring device is used, one end of the air cylinder is fixed on the connecting arm through the air cylinder seat, the connecting arm is fixed on the stirring barrel support through the rear mounting plate, when the air cylinder extends out, one end of the transmission rod rotationally connected with the air cylinder rotates outwards, the other end of the transmission rod rotates inwards under the action of the rotating rod, and the impact block arranged on one side of the mounting rod strikes the stirring barrel, so that the purpose of enabling materials on the inner wall of the stirring barrel to fall is achieved; therefore, the blanking speed is accelerated, and the accumulation of materials on the cylinder wall is avoided. Meanwhile, the stirring device is arranged by matching the mounting rod, the long spring, the short spring and the impact blocks, so that when the stirring device is used, when the mounting rod rotates inwards, the spring connected with the mounting rod drives the impact blocks to impact inwards, after one impact block impacts, the air cylinder is buffered for one time under the action of the spring, the service life of the air cylinder is prolonged, and other impact blocks can impact the stirring cylinder under the action of inertia and the spring, so that the impact range can be enlarged.
The vibrating bed of the invention rotates the threaded rod and extrudes the extrusion block, the extrusion block extrudes the second spring and drives the connecting rod to move downwards, the connecting rod drives the baffle plate to move downwards, so that the distance between the carding block and the feeding plate is smaller, the carding block can disperse the materials which are stacked too high during material conveying, during operation, the materials enter the feeding box through the feeding plate, the second motor drives the cam to rotate under the action of the rotating shaft, the cam can drive the impact rod to move back and forth during rotation, the impact rod can impact the feeding plate during movement, the materials are accelerated to enter the upper box body, the materials are prevented from being stacked inside the feeding box, when the materials enter the upper part of the vibrating plate, the first motor drives the rotating block to move under the action of the rotating rod, the rotating block drives the impact rod to move back and forth, and the impact rod can impact the bottom of the upper box body during movement, under the effect of first spring, go up the box body and can produce great vibration, the vibration effect is better for the material is heated evenly, and the material distributes more evenly, is difficult for bonding together, has improved the quality of product. Simultaneously the vibration bed is through setting up the beating pole for when the material gets into the inside of feeding case, can not produce and pile up the phenomenon, and the material can enter into the inside of last box through the feed plate fast, through setting up the air-supply line, can let in hot-blastly, to material drying process, sets up the feeding case and makes more firm of first motor and second motor installation. In addition, the rotatable threaded rod of vibration bed for the distance between combing piece and the feed plate is less, combs the piece and can dispel the material that piles up too high, opens the second motor and can prevent that the material from taking place to pile up the phenomenon in the inside of feed box, hits the bottom that the box can be hit to the pole motion in-process of beating, goes up the box and can produce great vibration, and the vibration effect is better, makes the material be heated evenly, and the material distributes more evenly, and difficult bonding together has improved the quality of product.
The cooling mechanism of the invention can ensure that when the device is used, a worker connects a discharge port of the PBT production device with a feed pipe, then PBT flows into the interior of the spiral plate through the positioning table, because the spiral plate is arranged in a thread shape and the distance between the spiral rod and the rotary table is longer, the PBT can move downwards layer by layer from top to bottom, thereby improving the cooling distance of the PBT when moving downwards, and meanwhile, the conveying roller is rotationally connected with the interior of the sliding chamber through the bearing, thereby driving the conveying belt to transmit on one side of the conveying roller through the gravity friction when the material moves downwards when the rotary table is rotated, and effectively reducing the phenomenon of blockage when the PBT moves downwards, move down the PBT after will through discharging channel and play hopper outwards arrange the material, this device is through cooling PBT when vibrating, has improved the efficiency of processing on next step PBT, has reduced staff's work load. According to the cooling mechanism, the motor rotating shaft and the radiating blades are arranged in a matched mode, when the cooling mechanism is used, when the PBT slowly moves down in the spiral plate, a worker starts the motor, so that the motor drives the radiating blades to rotate through the motor rotating shaft, and when the radiating blades rotate, wind is formed and blows towards the inside of the spiral plate, the cooling efficiency of the PBT is improved, and the practicability of the cooling mechanism is greatly improved.
Drawings
FIG. 1 is a drawing of a production line of high gloss reinforced PBT material of the invention.
Fig. 2 is a schematic structural view of the filter device.
Fig. 3 is a front view of the filter device.
Fig. 4 is a side view of the filter device.
Fig. 5 is a schematic structural view of the stirring device.
Fig. 6 is a front view of the stirring device.
Fig. 7 is a side view schematically showing the structure of the stirring device.
Fig. 8 is a schematic structural view of the vibrating bed.
Fig. 9 is a schematic view of the internal structure of the vibrating bed.
Fig. 10 is a schematic view of the structure of the thread plate of the vibrating bed.
Fig. 11 is an enlarged schematic view of a portion a in fig. 9.
Fig. 12 is a schematic structural view of the cooling mechanism.
Fig. 13 is a schematic view of the internal structure of the slide chamber of the cooling mechanism.
Fig. 14 is a schematic structural view of a conveyor belt of the cooling mechanism.
FIG. 15 experimental data for three examples of a high gloss reinforced PBT material of the invention.
Wherein:
the device comprises a filtering device 1, a stirring device 2, a feeding mechanism 3, an extruding mechanism 4, a granulator 5, a vibrating bed 6 and a cooling mechanism 7;
the device comprises a base 1.1, a support 1.2, a material paving groove 1.3, a material paving wheel 1.4, a first motor 1.5, a sorting groove 1.6, an adsorption wheel 1.7, a rotating shaft 1.8, a conveyor belt 1.9, a slide rail 1.10, a raw material box 1.11, a temporary storage box 1.12, a partition plate 1.13, a fixed block 1.14, a material passing groove 1.15, a metal material box 1.16, a discharge port 1.17, a hanging rod 1.18, a pull rod 1.19 and a second motor 1.20;
the device comprises a connecting arm 2.1, a rear mounting plate 2.2, a side mounting plate 2.3, a cylinder seat 2.4, a pin shaft 2.5, a shaft clamp 2.6, a cylinder 2.7, a rotating shaft 2.8, a transmission rod 2.9, a rotating rod 2.10, a mounting rod 2.11, a long spring 2.12, a short spring 2.13, an impact block 2.14, a bolt 2.15, a mixing drum bracket 2.16 and a mixing drum body 2.17;
the feeding box comprises a feeding box 6.1, a first motor 6.2, a rotating rod 6.3, a rotating block 6.4, a striking rod 6.5, a guide post 6.6, an upper box body 6.7, a first spring 6.8, a lower box body 6.9, a transverse plate 6.10, a second motor 6.11, a rotating shaft 6.12, a cam 6.13, a striking rod 6.14, a hollow post 6.15, a feeding plate 6.16, a support post 6.17, a threaded plate 6.18, a threaded rod 6.19, an extrusion block 6.20, a connecting rod 6.21, a second spring 6.22, a material baffle 6.23, a carding block 6.24, an air inlet pipe 6.25 and a vibrating plate 6.26;
the device comprises a rotary table vibration table 7.1, a station table 7.2, a screw rod 7.3, a screw plate 7.4, a sliding cavity 7.5, a bearing 7.6, a conveying roller 7.7, a conveying belt 7.8, a positioning table 7.9, a feeding channel 7.10, a feeding pipe 7.11, a discharging channel 7.12, a discharging hopper 7.13, a motor frame 7.14, a motor box 7.15, a motor 7.16, a motor rotating shaft 7.17, a radiating blade 7.18, a spring 7.19, a reinforcing plate 7.20 and a bolt 7.21.
Detailed Description
The invention relates to a high-gloss enhanced PBT material which comprises the following components: polybutylene terephthalate, a high-surface polymer, an antioxidant, a compatilizer, an anti-floating fiber agent, a lubricant and profiled glass fiber, wherein the content of seven components is as follows:
polybutylene terephthalate: 20-60%;
high surface polymer: 10-20%;
antioxidant: 0.5 percent;
a compatilizer: 1 to 3 percent
Anti-floating fiber agent: 0.5-1%;
lubricant: 0.5 to 1 percent
Profiled glass fiber: 30-50%.
Preferably, the polybutylene terephthalate is selected from one or a combination of 0.8 viscosity and 1.0 viscosity.
Preferably, the high surface polymer is a non-crystalline or semi-crystalline type polymer.
Preferably, the antioxidant is compounded by tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and high molecular weight phosphite ester.
Preferably, the compatilizer is one or two of EMA-g-MAH, EMA-g-GMA, EBA-g-GMA, EMA and EBA.
Preferably, the anti-floating agent is a hyperbranched polymer with active functional groups.
Preferably, the lubricant is one or two of polyethylene wax, montan wax and pentaerythritol stearate.
Preferably, the glass fiber is specially-shaped glass fiber.
Referring to fig. 15, the experimental data after selecting three specific formulations are shown in the figure.
The comparison of the experimental data can obtain that the high-gloss enhanced PBT material has greatly improved surface smoothness and flatness, and the two indexes are greatly improved along with the increase of the using amount of the high-surface polymer; the surface smoothness and the flatness of the material cannot be reduced along with the increase of the using amount of the glass fiber due to the presence of the profiled glass fiber,
referring to fig. 1-14, the invention further provides a production method of the high-gloss enhanced PBT material, the production method is based on a high-gloss enhanced PBT material production line and comprises a filtering device 1, the mixed material enters the filtering device 1 to remove metal impurities and then enters a stirring device 2 to be stirred, the stirred material is pumped into a feeding mechanism 3 and then is fed into an extruding mechanism 4, the material extruded by the extruding mechanism 4 is cut into particles by a granulator 5 and then is introduced into a vibrating bed 6 for precooling, and the precooled material is sucked or introduced into a cooling mechanism 7 through a material lifting mechanism for cooling;
referring to fig. 2-4, the filtering device 1 includes a base 1.1, a support 1.2 is fixedly connected to the upper surface of the base 1.1, a material spreading groove 1.3 is fixedly connected to the top of the support 1.2, a material spreading wheel 1.4 is rotatably connected to the inside of the material spreading groove 1.3, a first motor 1.5 is fixedly connected to one side of the material spreading wheel 1.4, a sorting groove 1.6 is fixedly connected to one side of the material spreading groove 1.3, an adsorption wheel 1.7 is rotatably connected to the inside of the sorting groove 1.6, a rotating shaft 1.8 is rotatably connected to one side of the sorting groove 1.6 far away from the adsorption wheel 1.7, a conveyor belt 1.9 is movably connected to the outer surfaces of the rotating shaft 1.8 and the adsorption wheel 1.7, a second motor 1.20 is fixedly connected to one side of the rotating shaft 1.8, the material spreading groove 1.3, the material spreading wheel 1.4, the first motor 1.5, the sorting groove 1.6, the adsorption wheel 1.7, the rotation shaft 1.8, the conveyor belt 1.9, a material box 1.11, a material storage box 12, a material storage box 1.17 and a discharge hole 17 are arranged between, the support 1.2 provides supporting force for the spreading groove 1.3 and the sorting groove 1.6, so that the spreading groove 1.3 and the sorting groove 1.6 have inclination, the raw material of the mixed metal scraps enters the spreading groove 1.3 and flows along the bottom of the spreading groove 1.3, the first motor 1.5 drives the spreading wheel to rotate anticlockwise, so that the raw material of the mixed metal scraps is completely spread and then flows through the spreading groove 1.3 and enters the sorting groove 1.6, the second motor 1.20 drives the rotating shaft 1.8 to rotate, the rotating shaft 1.8 and the adsorption wheel 1.7 are movably connected through the conveying belt 1.9, therefore, the rotating shaft 1.8, the conveying belt 1.9 and the adsorption wheel 1.7 synchronously rotate, the adsorption wheel 1.7 is a strong magnet, when the raw material of the mixed metal scraps is spread and passes through the adsorption wheel 1.7, the metal scraps mixed in the raw material are adsorbed on the surface of the conveying belt 1.9 and move along with the conveying belt 1.9, fall into the material passing groove 1.15, finally enters the metal bin 1.16, the sorting tank 1.6 and finally enters the sorting tank 1.12, and the raw material passes through the discharge port 11.11, the workload of workers is reduced, raw materials are purified, the purity of the produced PBT material is higher, the bottom of the base 1.1 is fixedly connected with a slide rail 1.10, the inside of the slide rail 1.10 is slidably connected with a raw material box 1.11, one side of the raw material box 1.11 is fixedly connected with a handle, one side of the sorting groove 1.6 is fixedly connected with a temporary storage box 1.12, the inside of the temporary storage box 1.12 is movably connected with a partition plate 1.13, one side of the temporary storage box 1.12 is fixedly connected with a fixed block 1.14, one side of the fixed block 1.14 is fixedly connected with a material passing groove 1.15, one side of the temporary storage box 1.12 is provided with a metal material box 1.16, one side of the temporary storage box 1.12, which is far away from the fixed block 1.14 is provided with a discharge hole 1.17, one side of the temporary storage box 1.12, which is close to the fixed block 1.14 is fixedly connected with a hanging rod 1.18, one side of the temporary storage box 1.12, one side of the discharge hole 1.19 is provided with a pull rod 1.19, peg 1.18, cooperation setting between pull rod 1.19, base 1.1 provides holding power and stability for whole device, setting through slide rail 1.10, it is more convenient when clearance raw material tank 1.11 to make the staff, it is laborsaving, setting through fixed block 1.14, it is convenient fixed to make punishment in advance groove 1.15, connect through the stretching strap between division board 1.13 and the pull rod 1.19, one side of division board 1.13 and temporary storage box 1.12's inner wall hinged joint, pulling pull rod 1.19, one side of division board 1.13 can rise to horizontal position, at this moment division board 1.13 can be temporarily as temporary storage box 1.12's bottom, make the raw materials can not flow through discharge gate 1.17, can temporarily fix with peg 1.18 after pull rod 1.19 is tensile, this setting has made things convenient for the staff, need not stop equipment just can clear up or change raw material tank 1.11, can improve the production efficiency of certain degree.
The filtering device 1 is arranged by matching among a support 1.2, a paving groove 1.3, a paving wheel 1.4, a first motor 1.5, a sorting groove 1.6, an adsorption wheel 1.7, a rotating shaft 1.8, a conveying belt 1.9, a raw material box 1.11, a temporary storage box 1.12, a material passing groove 1.15, a metal material box 1.16 and a discharge port 1.17, the support 1.2 provides a supporting force for the paving groove 1.3 and the sorting groove 1.6, so that the paving groove 1.3 and the sorting groove 1.6 have inclination, a raw material mixed with metal chips enters the paving groove 1.3 to flow along the bottom of the paving groove 1.3, the first motor 1.5 drives the mixed metal paving wheel to rotate anticlockwise to enable all raw materials of the mixed metal chips to be paved and flow through the paving groove 1.3 to enter the sorting groove 1.6, the second motor 1.20 drives the rotating shaft 1.8 to rotate, the rotating shaft 1.8 and the adsorption wheel 1.7 are movably connected through the conveying belt 1.9, therefore, the rotating shaft 1.8, the adsorption wheel 1.9, the adsorption wheel 1.7 and the magnetic magnets rotate synchronously, and the adsorption wheel 1.7 is a strong magnet, the metal chips mixed in the raw materials are adsorbed on the surface of the conveyor belt 1.9 and move along with the conveyor belt 1.9 to fall into the material passing groove 1.15 and finally enter the metal material box 1.16, the raw materials enter the temporary storage box 1.12 through the sorting groove 1.6 and finally enter the raw material box 1.11 through the discharge port 1.17 so as to thoroughly sort the metal chips and the raw materials, the workload of workers is reduced, the raw materials are purified, the purity of the produced PBT material is ensured to be higher, the PBT material passes through the base 1.1, the slide rail 1.10, the partition plate 1.13, the fixed block 1.14, the hanging rod 1.18 and the pull rod 1.19 and is matched, the base 1.1 provides supporting force and stability for the whole device, the workers can more conveniently and labor-saving when cleaning the raw material box 1.11 through the slide rail 1.10, the material passing groove 1.15 is conveniently fixed through the fixed block 1.14, the partition plate 1.13 is connected with the pull rod 1.19 through a hinge, one side of the partition plate 1.13 is connected with the inner wall of the temporary storage box, pulling pull rod 1.19, one side of division board 1.13 can rise to horizontal position, and at this moment division board 1.13 can temporarily be regarded as the bottom of temporary storage case 1.12, makes the raw materials can not flow through discharge gate 1.17, can temporarily fix with peg 1.18 after pull rod 1.19 is tensile, and this setting has made things convenient for the staff, just can clear up or change raw materials case 1.11 without the equipment that stops, can improve the production efficiency of certain degree.
Referring to fig. 5-7, one side of a connecting arm 2.1 of a stirring device 2 is fixedly connected with a rear mounting plate 2.2, two ends of the rear mounting plate 2.2 are both provided with bolts 2.15, the bottom end of the rear mounting plate 2.2 is fixedly provided with a stirring barrel support 2.16 through the bolts 2.15, the top end of the stirring barrel support 2.16 is fixedly provided with a stirring barrel body 2.17, materials in a raw material box 1.11 are introduced into the stirring barrel body 2.17 through manual pouring or other mechanical conveying modes, the bottom end of the connecting arm 2.1 is fixedly connected with a side mounting plate 2.3, one end of the side mounting plate 2.3 is fixedly arranged with the stirring barrel support 2.16 through the bolts 2.15, the connecting arm 2.1 is fixed on one side of the stirring barrel support 2.16 through the bolts 2.15, the rear mounting plate 2.2 and the mounting plate 3, the top end of the connecting arm 2.1 is fixedly connected with a cylinder seat 2.4, a pin shaft 2.5 is arranged inside the cylinder seat 2.4, one end of the cylinder 2.5 is provided with a shaft clamp 2.6, and a, an air cylinder 2.7 is movably arranged in the air cylinder seat 2.4 through a pin shaft 2.5, so that the air cylinder 2.7 and the air cylinder seat 2.4 can rotate, a rotating shaft 2.8 is arranged at the other end of the air cylinder 2.7, a transmission rod 2.9 is movably arranged at one end of the air cylinder 2.7 through the rotating shaft 2.8, a rotating rod 2.10 is rotatably connected to the middle part of the transmission rod 2.9, both ends of the rotating rod 2.10 are fixedly connected with a connecting arm 2.1, the middle part of the transmission rod 2.9 is rotatably connected with the connecting arm 2.1 through the rotating rod 2.10, when the air cylinder 2.7 extends out, one end of the transmission rod 2.9 rotatably connected with the air cylinder 2.7 rotates outwards, the other end of the transmission rod 2.9 rotates inwards under the action of the rotating rod 2.10, the other end of the transmission rod 2.9 is fixedly connected with an installation rod 2.11, both sides of the outer surface of the installation rod 2.11 are fixedly connected with long springs 2.12, the middle part of the installation rod 2.11 is fixedly connected with short springs 2.13, the long, the other ends of the long spring 2.12 and the short spring 2.13 are fixedly connected with an impact block 2.14, the impact block 2.14 is positioned beside the mixing drum body 2.17, after one impact block 2.14 is impacted, the other impact blocks 2.14 are also impacted under the action of inertia and the spring, the air cylinder 2.7 obtains primary buffering under the action of the spring, and the service life of the air cylinder 2.7 is prolonged; the impact block 2.14 is wrapped with a rubber layer;
the stirring device 2 comprises the following steps: through the matching arrangement of the mounting rod 2.11, the long spring 2.12, the short spring 2.13, the connecting arm 2.1, the air cylinder 2.7, the rotating shaft 2.8, the transmission rod 2.9, the rotating rod 2.10 and the impact block 2.14, when the invention is used, one end of the air cylinder 2.7 is fixed on the connecting arm 2.1 through the air cylinder seat 2.4, the connecting arm 2.1 is fixed on the mixing drum bracket 2.16 through the rear mounting plate 2.2, when the air cylinder 2.7 extends out, one end of the transmission rod 2.9 which is rotatably connected with the air cylinder 2.7 rotates outwards, the other end of the transmission rod 2.9 rotates inwards under the action of the rotating rod 2.10, so that the impact block 2.14 arranged at one side of the mounting rod 2.11 strikes the mixing drum body 2.17, thereby achieving the purpose of dropping the materials in the mixing drum body 2.17, when the mounting rod 2.11 rotates inwards, the spring connected with the mounting rod 2.11 drives the impact block 2.14 to impact inwards, and when one of the impact block 2.14 impacts once, the air cylinder obtains a buffering effect, the service life of the cylinder is prolonged, and other impact blocks 2.14 can also impact the mixing drum body 2.17 under the action of inertia and a spring, so that the impact range can be enlarged.
Referring to fig. 8 to 11, the vibrating bed 6 includes a feeding box 6.1, so that the first motor 6.2 and the second motor 6.11 are installed more stably, a supporting column 6.17 is fixedly installed at the top of the feeding box 6.1, an extruding block 6.20 is sleeved on the outer surface of the supporting column 6.17, the number of the extruding blocks 6.20 is three, a connecting rod 6.21 is fixedly connected to the bottom of the extruding block 6.20, a striker plate 6.23 is fixedly connected to one end of the connecting rod 6.21, a carding block 6.24 is fixedly installed at the bottom of the striker plate 6.23, during material transportation, the carding block 6.24 can disperse the excessively high stacked material, a second spring 6.22 is sleeved on the outer surface of the connecting rod 6.21, a threaded plate 6.18 is fixedly connected to the top of the supporting column 6.17, a threaded plate 6.19 is connected to the inner thread of the threaded plate 6.18, a first motor 6.2 is fixedly installed on the inner wall of the feeding box 6.1, after the first motor 6.2 is opened, the upper box can generate large vibration, the vibration effect is, the materials are distributed uniformly and are not easy to be bonded together, the product quality is improved, the output end of the first motor 6.2 is fixedly provided with a rotating rod 6.3, one end of the rotating rod 6.3 is fixedly provided with a bearing, the outer surface of the rotating rod 6.3 is sleeved with two rotating blocks 6.4, one side of each rotating block 6.4 is fixedly connected with a beating rod 6.5, so that when the materials enter the feeding box 6.1, the materials cannot be accumulated, one end of each beating rod 6.5 is movably connected with a guide column 6.6, the top of each guide column 6.6 is fixedly connected with an upper box body 6.7, one side of each upper box body 6.7 is provided with a discharge port, the top of each upper box body 6.7 is fixedly connected with an air inlet pipe 6.25, hot air can be introduced, the materials are dried, the inner wall of each upper box body 6.7 is fixedly provided with a vibrating plate 6.26, the bottom of each upper box body 6.7 is fixedly connected with a first spring 6.8, one end of each first spring 6.8 is fixedly connected with a lower box, inner wall fixed mounting of feeding case 6.1 has horizontal version 6.10, and the top fixed mounting of horizontal version 6.10 has second motor 6.11, can prevent that the material from taking place to pile up the phenomenon in feeding case 6.1's inside, and the output fixed mounting of second motor 6.11 has axis of rotation 6.12, and the external surface fixed connection of axis of rotation 6.12 has cam 6.13, and one side swing joint of cam 6.13 has impact pole 6.14, and the one end swing joint of impact pole 6.14 has hollow post 6.15, and one side fixed mounting of hollow post 6.15 has feeding board 6.16.
Before the vibrating bed 6 works, the threaded rod 6.19 can be rotated and the extrusion block 6.20 is extruded, the extrusion block 6.20 extrudes the second spring 6.22 and drives the connecting rod 6.21 to move downwards, the connecting rod 6.21 drives the material baffle 6.23 to move downwards, so that the distance between the carding block 6.24 and the feeding plate 6.16 is smaller, when the material is conveyed, the carding block 6.24 can disperse the material which is stacked too high, when the vibrating bed works, the particle material guided by the granulator 6 enters the feeding box 6.1 through the feeding plate 6.16, the second motor 6.11 drives the cam 6.13 to rotate under the action of the rotating shaft 6.12, the impact rod 6.14 can be driven to reciprocate when the cam 6.13 rotates, the impact rod 6.14 can impact the feeding plate 6.16 when moving, the material is accelerated to enter the upper box body 6.7, the material is prevented from being stacked in the feeding box 6.1, and when the material enters the upper part of the vibrating plate 6.26, the first motor 6.2 drives the rotation block 6.4 to move under the action of the rotating shaft, rotatory piece 6.4 drives and beats pole 6.5 and do the back and forth motion, and hits the bottom that box 6.7 can be beaten in the pole 6.5 motion process of beating, under the effect of first spring, goes up the box and can produce great vibration, and the vibration effect is better for the material is heated evenly, and the material distributes more evenly, is difficult for bonding together, has improved the quality of product.
Referring to fig. 12 to 14, the cooling mechanism 7 includes a turntable vibration table 7.1, a plurality of springs 7.19 are disposed inside the turntable vibration table 7.1, the turntable vibration table 7.1 is configured with the springs 7.19 when vibrating, because the springs 7.19 have elastic performance, so as to protect the screw 7.3 and the spiral plate 7.4, and further prevent the screw 7.3 and the spiral plate 7.4 from being damaged, a station table 7.2 is fixedly connected to the center of the top of the turntable vibration table 7.1, a screw 7.3 is fixedly connected to the center of the top of the station table 7.2, a spiral plate 7.4 is fixedly connected to the outer surface of the screw 7.3, the spiral plate 7.4 is arranged in a thread shape, a sliding cavity 7.5 is disposed inside the spiral plate 7.4, bearing grooves are disposed on both sides of the inner wall of the sliding cavity 7.5, a bearing 7.6 is disposed inside the bearing groove, a conveying roller 7.7 is rotatably connected to the inside of the bearing 7.6, and a conveying roller 7.8 is connected to one side of the conveying belt 7.7, the top of the screw rod 7.3 is fixedly connected with a positioning table 7.9, one side of the positioning table 7.9 is provided with a feeding channel 7.10, a discharge port of the PBT production device is connected with a feeding pipe 7.11 by a worker, then the PBT can flow into the screw plate 7.4 through the positioning table 7.9, because the screw plate 7.4 is arranged in a thread shape, and the distance between the screw rod 7.3 and the rotary table vibrating table 7.1 is longer, the PBT can move downwards layer by layer from top to bottom, so that the cooling distance of the PBT in downward movement is increased, meanwhile, the conveying roller 7.7 is rotatably connected in the sliding cavity 7.5 through a bearing 7.6, so that when the rotary table vibrating table 7.1 rotates, the PBT in downward movement is subjected to gravity friction through materials, the conveying belt 7.8 is driven on one side of the conveying roller 7.7, the blockage phenomenon of the PBT in downward movement is effectively reduced, and the PBT in downward movement after downward movement can outwards pass through the discharge channel 7.12 and a discharge hopper 7.13, the device cools the PBT when vibrating, thereby improving the efficiency of the next processing of the PBT, and reducing the workload of workers, the bottom of the feeding channel 7.10 is fixedly connected with a feeding pipe 7.11, one side of the outer surface of the station platform 7.2 is fixedly connected with a discharging channel 7.12, one side of the discharging channel 7.12 is fixedly connected with a discharging hopper 7.13, one side of the outer surface of the positioning platform 7.9 is fixedly connected with a motor frame 7.14, a motor box 7.15 is arranged inside the motor frame 7.14, a motor 7.16 is arranged inside the motor box 7.15, the output end of the motor 7.16 is rotatably connected with a motor rotating shaft 7.17, one end of the motor rotating shaft 7.17 penetrates to the outside of the motor box 7.15, one end of the motor rotating shaft 7.17 is fixedly connected with a radiating blade 7.18, when the PBT slowly moves down inside the spiral plate 7.4, the workers start the motor 7.16, so that the motor 7.16 drives the radiating blade 7.18 to rotate through the motor rotating shaft 7.17, when heat dissipation blade 7.18 rotated, wind would be formed, and wind blows to the inside of spiral plate 7.4, and then has improved the cooling efficiency to PBT, very big improvement the practicality of this device, the bottom fixedly connected with gusset plate 7.20 of carousel shaking table 7.1, the inside both sides of gusset plate 7.20 all set up threaded hole, the internal thread of screw hole is connected with bolt 7.21, and the quantity of bolt 7.21 is four.
The feeding pipe 7.11 of the cooling mechanism 7 of the invention is inserted above the vibrating plate 6.26 of the vibrating bed 6, the feeding mechanism is absorbed by vacuum or is additionally arranged in the feeding pipe 7.11, then PBT particles flow into the spiral plate 7.4 through the positioning table 7.9, because the spiral plate 7.4 is arranged in a thread shape, and the distance between the spiral rod 7.3 and the rotary table vibrating table 7.1 is longer, the PBT can move downwards layer by layer from top to bottom, thereby improving the cooling distance of the PBT when moving downwards, simultaneously the conveying roller 7.7 is rotationally connected in the sliding cavity 7.5 through the bearing 7.6, thereby when the rotary table vibrating table 7.1 rotates, the PBT is blocked when moving downwards through the gravity friction when the material moves downwards, thereby driving the conveying belt 7.8 to transmit at one side of the conveying roller 7.7, effectively reducing the phenomenon that the PBT is blocked when moving downwards, and the PBT after moving downwards can outwards pass through the discharging channel 7.12 and the discharging hopper 7.13, this device is through cooling PBT when vibrating, improved the efficiency of processing on next step PBT, staff's work load has been reduced, when PBT slowly moves down in the inside of spiral plate 7.4, staff starter motor 7.16, make motor 7.16 drive radiator blade 7.18 through motor shaft 7.17 and rotate, when radiator blade 7.18 rotates, will form wind, wind blows to spiral plate 7.4's inside, and then improved the cooling efficiency to PBT, very big improvement this device's practicality.
Referring to fig. 15, the specific examples of the three formulations are:
example 1
A high-gloss enhanced PBT material comprises the following components: the special-shaped glass fiber comprises the following seven components in percentage by weight:
polybutylene terephthalate: 57 percent;
high surface polymer: 10-20%;
antioxidant: 0.5 percent;
a compatilizer: 1.5 percent
Anti-floating fiber agent: 0.5 percent;
lubricant: 0.5 percent
Profiled glass fiber: 30 percent.
Preferably, the polybutylene terephthalate is selected from one or a combination of 0.8 viscosity and 1.0 viscosity.
Preferably, the high surface polymer is a non-crystalline or semi-crystalline type polymer.
Preferably, the antioxidant is compounded by tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and high molecular weight phosphite ester.
Preferably, the compatilizer is one or two of EMA-g-MAH, EMA-g-GMA, EBA-g-GMA, EMA and EBA.
Preferably, the following components: the anti-floating fiber agent adopts hyperbranched polymer with active functional groups.
Preferably, the lubricant is one or two of polyethylene wax, montan wax and pentaerythritol stearate.
Preferably, the glass fiber is specially-shaped glass fiber.
A preparation method of a high-gloss enhanced PBT material comprises the following steps:
step one, material preparation: preparing three raw materials of polybutylene terephthalate, a high-surface polymer and a compatilizer in advance according to a specified proportion; preparing three raw materials of an antioxidant, an anti-floating fiber agent and a lubricant;
step two, preliminary mixing: putting the first three raw materials obtained in the first step into a high-speed stirrer for fully mixing, and then discharging; then the three raw materials are put into a high-speed stirrer for fully mixing and then discharged;
step three, secondary mixing: putting the granular mixture and the powdery mixture obtained by mixing in the step two into a high-speed mixer, and taking out after all materials in the mixer are uniformly mixed;
step four, granulation: putting the mixed materials into a double-screw extruder, adding glass fibers laterally, extruding to form strips, extruding, drawing strips through a screw, a die head, cooling through a water tank, and preparing into cylindrical granules through a granulator;
step five, packaging: and (3) putting the granules into a packaging bag, pumping air in the packaging bag to a vacuum state through an air pump, and sealing the packaging bag through a sealing machine to finally complete product packaging.
Example 2
A high-gloss enhanced PBT material comprises the following components: the special-shaped glass fiber comprises the following seven components in percentage by weight:
polybutylene terephthalate: 47%;
high surface polymer: 20 percent;
antioxidant: 0.5 percent;
a compatilizer: 1.5 percent
Anti-floating fiber agent: 0.5 percent;
lubricant: 0.5 percent
Profiled glass fiber: 30 percent.
Preferably, the polybutylene terephthalate is selected from one or a combination of 0.8 viscosity and 1.0 viscosity.
Preferably, the high surface polymer is a non-crystalline or semi-crystalline type polymer.
Preferably, the antioxidant is compounded by tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and high molecular weight phosphite ester.
Preferably, the compatilizer is one or two of EMA-g-MAH, EMA-g-GMA, EBA-g-GMA, EMA and EBA.
Preferably, the anti-floating agent is a hyperbranched polymer with active functional groups.
Preferably, the lubricant is one or two of polyethylene wax, montan wax and pentaerythritol stearate.
Preferably, the glass fiber is specially-shaped glass fiber.
Example 3
A high-gloss enhanced PBT material comprises the following components: the special-shaped glass fiber comprises the following seven components in percentage by weight:
polybutylene terephthalate: 24.5 percent;
high surface polymer: 20 percent;
antioxidant: 0.5 percent;
a compatilizer: 3 percent of
Anti-floating fiber agent: 1 percent;
lubricant: 1 percent of
Profiled glass fiber: 50 percent.
Preferably, the polybutylene terephthalate is selected from one or a combination of 0.8 viscosity and 1.0 viscosity.
Preferably, the high surface polymer is a non-crystalline or semi-crystalline type polymer.
Preferably, the antioxidant is selected from tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester and high molecular weight phosphite ester
Preferably, the compatilizer is one or two of EMA-g-MAH, EMA-g-GMA, EBA-g-GMA, EMA and EBA.
Preferably, the anti-floating agent is a hyperbranched polymer with active functional groups.
Preferably, the lubricant is one or two of polyethylene wax, montan wax and pentaerythritol stearate.
Preferably, the glass fiber is specially-shaped glass fiber.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (9)
1. A high-gloss reinforced PBT material is characterized in that: the paint consists of the following components: polybutylene terephthalate, a high-surface polymer, an antioxidant, a compatilizer, an anti-floating fiber agent, a lubricant and profiled glass fiber, wherein the content of seven components is as follows:
polybutylene terephthalate: 20-60%;
high surface polymer: 10-20%;
antioxidant: 0.5 percent;
a compatilizer: 1 to 3 percent
Anti-floating fiber agent: 0.5-1%;
lubricant: 0.5 to 1 percent
Profiled glass fiber: 30-50%.
2. A production method of a high-gloss enhanced PBT material is characterized by comprising the following steps: the production method is based on a high-gloss enhanced PBT material production line, the production line comprises a filtering device (1), the mixed material enters the filtering device (1) to remove metal impurities and then enters a stirring device (2) to be stirred, the stirred material is pumped into a feeding mechanism (3) and then is fed into an extruding mechanism (4), the material extruded by the extruding mechanism (4) is cut into particles by a particle cutter (5) and then is introduced into a vibrating bed (6) for precooling, and the pre-cooled particle material is sucked or introduced into a cooling mechanism (7) by a material lifting mechanism to be cooled and then is discharged;
the filtering device (1) comprises a base (1.1), a support (1.2) is fixedly connected to the upper surface of the base (1.1), a material spreading groove (1.3) is fixedly connected to the top of the support (1.2), a material spreading wheel (1.4) is rotatably connected to the inside of the material spreading groove (1.3), a first motor (1.5) is fixedly connected to one side of the material spreading wheel (1.4), a sorting groove (1.6) is fixedly connected to one side of the material spreading groove (1.3), an adsorption wheel (1.7) is rotatably connected to the inside of the sorting groove (1.6), the adsorption wheel (1.7) is a strong magnet, a rotating shaft (1.8) is rotatably connected to one side, far away from the adsorption wheel (1.7), of the sorting groove (1.6), the outer surfaces of the rotating shaft (1.8) and the adsorption wheel (1.7) are both movably connected with a conveyor belt (1.9), and a second motor (1.20) is fixedly connected to one side of the rotating shaft (1.8); the bottom of the base (1.1) is fixedly connected with a sliding rail (1.10), and a raw material box (1.11) is connected inside the sliding rail (1.10) in a sliding manner; pure materials filtered in the raw material box (1.11) are poured into the stirring device (2);
the utility model discloses a vibrating bed, including vibrating bed (6) and feeding box (6), the inner wall fixed mounting of feeding box (6.1) has first motor (6.2), the output fixed mounting of first motor (6.2) has dwang (6.3), rotatory piece (6.4) have been cup jointed to the surface of dwang (6.3), one side fixedly connected with of rotatory piece (6.4) hits rapping bar (6.5), the one end swing joint who hits rapping bar (6.5) has guide post (6.6), box (6.7) are gone up to the top fixedly connected with of guide post (6.6), go up the first spring (6.8) of the bottom fixedly connected with of box (6.7), box (6.9) under the one end fixedly connected with of first spring (6.8), the inner wall fixed mounting of feeding box (6.1) has horizontal version (6.10), the top fixed mounting of horizontal version (6.10) has second motor (6.11), the output fixed mounting of second motor (6.11) has 12.12), the outer surface of the rotating shaft (12) is fixedly connected with a cam (6.13), and one side of the cam (6.13) is movably connected with a striking rod (6.14); one end of the impact rod (6.14) is movably connected with a hollow column (6.15), and one side of the hollow column (6.15) is fixedly provided with a feeding plate (6.16); the granules cut by the granulator (6) enter the feeding box (6.1) through the feeding plate (6.16).
3. The process for producing a high gloss reinforced PBT material according to claim 2, wherein: one side of the sorting groove (1.6) is fixedly connected with a temporary storage box (1.12), and a partition plate (1.13) is movably connected inside the temporary storage box (1.12); one side of the temporary storage box (1.12) is fixedly connected with a fixed block (1.14), and one side of the fixed block (1.14) is fixedly connected with a material passing groove (1.15); a metal material box (1.16) is arranged on one side of the temporary storage box (1.12), and a discharge hole (17) is formed in one side, far away from the fixed block (1.14), of the temporary storage box (1.12); one side of the temporary storage box (1.12) close to the fixed block (1.14) is fixedly connected with a hanging rod (1.18), and one side of the temporary storage box (1.12) close to the discharge hole (17) is provided with a pull rod (1.19).
4. The process for producing a high gloss reinforced PBT material according to claim 2, wherein: a mixing drum cylinder (2.17) of the mixing device (2) is fixedly arranged at the top end of a mixing drum bracket (2.16), materials in a raw material box (1.11) are poured into the mixing drum cylinder (2.17), one side of a connecting arm (2.1) is fixedly connected with a rear mounting plate (2.2), the bottom end of the connecting arm (2.1) is fixedly connected with a side mounting plate (2.3), the top end of the connecting arm (2.1) is fixedly connected with a cylinder seat (2.4), a pin shaft (2.5) is arranged in the cylinder seat (2.4), an air cylinder (2.7) is movably arranged in the cylinder seat (2.4) through the pin shaft (2.5), a rotating shaft (2.8) is arranged at the other end of the air cylinder (2.7), a transmission rod (2.9) is movably arranged at one end of the air cylinder (2.7) through the rotating shaft (2.8), a rotating rod (2.10) is rotatably connected at the middle part of the transmission rod (2.9), the equal fixedly connected with long spring (2.12) in both sides of installation pole (2.11) surface, the middle part fixedly connected with short spring (2.13) of installation pole (2.11), the equal fixedly connected with striking piece (2.14) of the other end of long spring (2.12) and short spring (2.13), striking piece (2.14) are located by churn barrel (2.17).
5. The process for producing a high gloss reinforced PBT material according to claim 4, wherein: bolts (2.15) are arranged at two ends of the rear mounting plate (2.2), and a mixing drum bracket (2.16) is fixedly mounted at the bottom end of the rear mounting plate (2.2) through the bolts (2.15); one end of the side mounting plate (2.3) is fixedly mounted with the mixing drum bracket (2.16) through a bolt (2.15); both ends of the rotating rod (2.10) are fixedly connected with the connecting arm (2.1), and the middle part of the driving rod (2.9) is rotatably connected with the connecting arm (2.1) through the rotating rod (2.10); a shaft clamp (2.6) is arranged at one end of the pin shaft (2.5), and the interior of the cylinder seat (2.4) is fixedly installed with the pin shaft (2.5) through the shaft clamp (2.6); the number of the long springs (2.12) is four, and the four long springs (2.12) and the four short springs (2.13) are all made of carbon spring steel.
6. The process for producing a high gloss reinforced PBT material according to claim 2, wherein: a supporting column (6.17) is fixedly installed at the top of the feeding box (6.1), a threaded plate (6.18) is fixedly connected to the top of the supporting column (6.17), and a threaded rod (6.19) is connected to the inner thread of the threaded plate (6.18); the outer surface of the supporting column (6.17) is sleeved with an extrusion block (6.20), the bottom of the extrusion block (6.20) is fixedly connected with a connecting rod (6.21), and the outer surface of the connecting rod (6.21) is sleeved with a second spring (6.22); one end of the connecting rod (6.21) is fixedly connected with a striker plate (6.23), and the bottom of the striker plate (6.23) is fixedly provided with a carding block (6.24); the top of the upper box body (6.7) is fixedly connected with an air inlet pipe (6.25), and the inner wall of the upper box body (6.7) is fixedly provided with a vibrating plate (6.26).
7. The process for producing a high gloss reinforced PBT material according to claim 2, wherein: the cooling mechanism (7) comprises a disc vibration table (7.1), a station table (7.2) is fixedly connected with the center of the top of the rotary disc vibration table (7.1), a spiral rod (7.3) is fixedly connected with the center of the top of the station table (7.2), a spiral plate (7.4) is fixedly connected with the outer surface of the spiral rod (7.3), the spiral plate (7.4) is arranged in a thread shape, a sliding cavity (7.5) is arranged in the spiral plate (7.4), bearing grooves are formed in the two sides of the inner wall of the sliding cavity (7.5), bearings (7.6) are arranged in the bearing grooves, the inside of the bearings (7.6) is rotatably connected with a conveying roller (7.7), a conveying belt (7.8) is connected with one side of the conveying roller (7.7) in a transmission manner, a positioning table (7.9) is fixedly connected with the top of the spiral rod (7.3), a feeding channel (7.10) is arranged on one side of the positioning table (7.9), the bottom of the feeding channel (7.10) is fixedly connected with a feeding pipe (7.11).
8. The process for producing a high gloss reinforced PBT material according to claim 7, wherein: a discharge channel (7.12) is fixedly connected to one side of the outer surface of the station table (7.2), and a discharge hopper (7.13) is fixedly connected to one side of the discharge channel (7.12); a motor frame (7.14) is fixedly connected to one side of the outer surface of the positioning table (7.9), a motor box (7.15) is arranged inside the motor frame (7.14), and a motor (7.16) is arranged inside the motor box (7.15); the output end of the motor (7.16) is rotatably connected with a motor rotating shaft (7.17), one end of the motor rotating shaft (7.17) penetrates through the outside of the motor box (7.15), and one end of the motor rotating shaft (7.17) is fixedly connected with a radiating blade (7.18); springs (7.19) are arranged inside the turntable vibration table (7.1), and the number of the springs (7.19) is a plurality; the bottom fixedly connected with gusset plate (7.20) of carousel shaking table (7.1), the inside both sides of gusset plate (7.20) all seted up the screw hole, the inside threaded connection of screw hole has bolt (7.21), just the quantity of bolt (7.21) is four.
9. The process for producing a high gloss reinforced PBT material according to claim 2, wherein: the materials entering the filtering device (1) are subjected to primary mixing in advance, the stirring temperature is 80-100 ℃, the stirring speed is 6000-10000rpm, the stirring pressure is normal pressure, and the stirring time is controlled to be 3-10 min; the stirring temperature in the stirring device (2) is controlled to be 0-30 ℃, the stirring speed is 6000-10000rpm, the stirring pressure is normal pressure, and the stirring time is controlled to be 3-10 min; the extruder (4) is a double-screw extruder, the temperature of the conveying section and the melting section of the double-screw extruder is controlled to be 260 ℃ plus 240 ℃, the temperature of the mixing section and the exhaust section of the double-screw extruder is controlled to be 230 ℃ plus 190 ℃, the temperature of the homogenizing section and the extrusion section of the double-screw extruder is 230 ℃ plus 210 ℃, the exhaust section is vacuumized, and the air pressure of other stages is normal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011522951.7A CN112745643A (en) | 2020-12-22 | 2020-12-22 | High-gloss enhanced PBT material and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011522951.7A CN112745643A (en) | 2020-12-22 | 2020-12-22 | High-gloss enhanced PBT material and production method thereof |
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| Publication Number | Publication Date |
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| CN112745643A true CN112745643A (en) | 2021-05-04 |
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Application publication date: 20210504 |