CN110722708A

CN110722708A - Molten plastic conveying assembly for recycling and treating foamed plastic

Info

Publication number: CN110722708A
Application number: CN201911040543.5A
Authority: CN
Inventors: 祝磊; 潘长霞
Original assignee: Lu'an Zhenghui Youchan Electromechanical Technology Co Ltd
Current assignee: Lu'an Zhenghui Youchan Electromechanical Technology Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-01-24

Abstract

The invention provides a molten plastic conveying assembly for recycling foamed plastic, which comprises an installation frame body horizontally placed on the ground, wherein a melting conveying device (100) is arranged on the installation frame body, the melting conveying device (100) is used for melting and heating plastic fragments and filtering impurities of the molten plastic and then conveying the molten plastic into subsequent particle forming equipment, the melting conveying device (100) comprises a melting mechanism (110) and an impurity filtering mechanism (120), the plastic particle forming machine comprises a conveying mechanism (130) and a driving mechanism (140), wherein the melting mechanism (110) is used for heating and melting plastic fragments, the impurity filtering mechanism (120) is used for filtering impurities of molten plastic, the conveying mechanism (130) is used for conveying the molten plastic into subsequent particle forming equipment, and the driving mechanism (140) is used for providing power for the operation of the impurity filtering mechanism (120) and the conveying mechanism (130).

Description

Molten plastic conveying assembly for recycling and treating foamed plastic

Technical Field

The invention relates to the field of plastic processing, in particular to a molten plastic conveying assembly for recycling and treating foam plastic.

Background

With the continuous development of the technology, plastic particles are widely applied to industries such as clothing industry, building industry, electronic communication industry, chemical industry and the like and daily life of people, when the existing plastic particle forming mechanism cuts and forms particles, most of the formed particles are not fixed in shape and are not uniform in specification, so that the invention needs to provide equipment for performing particle forming processing on plastics, it melts the in-process at the plastic chip, can filter the impurity such as stone that contains in the molten state plastics, has both guaranteed the plastic granules quality after the shaping, has avoided impurity such as stone to cause adverse effect to this equipment again, and in the granule shaping process, the molten state plastics can accomplish the granule automatically inside the rotary die and cut the shaping, cool off the processing that is solid state graininess output, need not follow-up equipment such as cutting machine and cut, and is more convenient, and efficiency also promotes greatly.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide a molten plastic conveying assembly for recycling and treating foamed plastic, which can filter impurities such as stones contained in the molten plastic in the melting process of plastic fragments, thereby not only ensuring the quality of the formed plastic particles, but also avoiding the adverse effect of the impurities such as the stones on the equipment.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The molten plastic conveying assembly for recycling the foamed plastic comprises an installation frame body horizontally placed on the ground, wherein a melting conveying device (100) is arranged on the installation frame body, and the melting conveying device (100) is used for melting and heating plastic fragments, filtering impurities of the molten plastic and conveying the molten plastic into subsequent particle forming equipment;

the melting and conveying device (100) comprises a melting mechanism (110), an impurity filtering mechanism (120), a conveying mechanism (130) and a driving mechanism (140), wherein the melting mechanism (110) is used for heating and melting plastic fragments, the impurity filtering mechanism (120) is used for filtering impurities of molten plastic, the conveying mechanism (130) is used for conveying the molten plastic into subsequent particle forming equipment, and the driving mechanism (140) is used for providing power for the operation of the impurity filtering mechanism (120) and the conveying mechanism (130).

The technical scheme is further improved and optimized.

The melting mechanism (110) comprises a melting tank body (111) with an upper end opening and a lower end being closed and fixed on the installation frame body, and a melting heating element (112) fixed outside the melting tank body (111) and used for providing heating power for melting plastic fragments, wherein a fixed pipeline communicated with an inner cavity of the melting tank body is coaxially arranged at the closed end of the melting tank body (111), and a melting end cover is installed at the open end of the melting tank body (111) in a matched mode.

The technical scheme is further improved and optimized.

The impurity filtering mechanism (120) is arranged below the melting mechanism (110), the impurity filtering mechanism (120) comprises a filtering pipeline (121), a connecting pipeline (122), an auger (123) and a storage disc (124), the filtering pipeline (121) consists of two parts, namely a vertical section (1211) and an inclined section (1212), the vertical section (1211) is vertically fixed on the installation frame body, the top end of the vertical section (1211) is communicated with the fixed pipeline, the inclined section (1212) is obliquely fixed on the installation frame body, the inclined section (1212) and the vertical section (1211) are communicated with each other to form a cross arrangement, a filtering plate (1213) is arranged at the position where the vertical section (1211) is communicated with the inclined section (1212), the filtering plate (1213) is used for filtering impurities such as stones and the like from molten plastic, and a fixed end cover is arranged at the lower pipe opening of the inclined section (1212) in a matching manner;

the connecting pipeline (122) is obliquely fixed on the mounting frame body, the oblique direction of the connecting pipeline (122) and the oblique direction of the oblique section (1212) of the filtering pipeline (121) are positioned on the same straight line, a lower pipe orifice of the connecting pipeline (122) is communicated with an upper pipe orifice of the oblique section (1212) of the filtering pipeline (121), and the upper pipe orifice of the connecting pipeline (122) is provided with a mounting end cover in a matching way;

the filter is characterized in that a through hole is coaxially formed in a fixed end cover of the lower pipe orifice of the inclined section (1212) of the filter pipeline (121), the packing auger (123) and the connecting pipeline (122) are coaxially arranged, the top end of the packing auger (123) is coaxially and movably connected with an installation end cover of the upper pipe orifice of the connecting pipeline (122), the bottom end of the packing auger (123) sequentially penetrates through the connecting pipeline (122), the inclined section (1212) of the filter pipeline (121) and the through hole formed in the fixed end cover and is movably connected with the installation frame body, the packing auger (123) can axially rotate around the packing auger, a plurality of groups of avoiding holes are uniformly arranged on the spiral surface of the packing auger (123) at intervals, and the avoiding holes are used for avoiding conveying molten plastic away in the process of conveying impurities such as stones and the like by the packing auger;

the outside of connecting tube (122) still be provided with ejection of compact mouth (1221) rather than the inner chamber connection switch-on, ejection of compact mouth (1221) are located connecting tube (122) under and ejection of compact mouth (1221) still are close to the last nozzle of connecting tube (122), storage disc (124) horizontal fixation in the installation support body on and it still is located ejection of compact mouth (1221) under.

The technical scheme is further improved and optimized.

The conveying mechanism (130) is positioned below the impurity filtering mechanism (120), the conveying mechanism (130) comprises a conveying pipeline (131) and a pushing screw rod (133), the conveying pipeline (131) is horizontally fixed on the mounting frame body, a connecting nozzle (1311) communicated with the inner cavity of the conveying pipeline (131) is arranged outside the conveying pipeline (131), the connecting nozzle (1311) is positioned right above the conveying pipeline (131), and the connecting nozzle (1311) is communicated with a lower pipe opening of the vertical section (1211) of the filtering pipeline (121);

a connecting bracket is arranged at one pipe orifice of the conveying pipeline (131), the pipe orifice is also connected and communicated with a material conveying joint (134), and a sealing end cover is arranged at the other pipe orifice of the conveying pipeline (131) and is coaxially provided with an extending hole;

the material pushing screw rod (133) and the conveying pipeline (131) are coaxially arranged, one end of the material pushing screw rod (133) is movably connected with the connecting support, the other end of the material pushing screw rod penetrates through the extending hole formed in the sealing end cover and is movably connected with the mounting frame body, and the material pushing screw rod (133) can axially rotate around the material pushing screw rod.

The technical scheme is further improved and optimized.

And a heat-insulating heating element (132) which is used for insulating the molten plastic in the conveying pipeline (131) and keeping the molten plastic in the conveying pipeline (131) all the time is arranged outside the conveying pipeline (131) in a matching manner.

The technical scheme is further improved and optimized.

The driving mechanism (140) comprises a driving motor (141), the driving motor (141) is horizontally fixed on the installation frame body, the axial direction of an output shaft of the driving motor (141) is parallel to the axial direction of the pushing screw (133), a first power transmission piece (142) is arranged between the power output end of the driving motor (141) and the power input end of the pushing screw (133), power connection transmission is carried out between the power output end of the driving motor (141) and the power input end of the pushing screw (133) through the first power transmission piece (142), a second power transmission piece (143) is arranged between the power input end of the pushing screw (133) and the power input end of the packing auger (123), power connection transmission is carried out between the power input end of the pushing screw and the packing auger through the second power transmission piece (143), the first power transmission piece (142) is of a belt transmission power transmission structure, and the second.

Compared with the prior art, the invention has the beneficial effects that plastic fragments are melted and particles are formed in sequence, in the melting process, the filter plate is adopted to filter impurities such as stones and the like in molten plastic, so that the quality of the formed plastic particles is ensured, and the adverse effect of the impurities such as the stones and the like on the equipment is avoided; in the particle forming process, the rotary die is used as the die body, and the molten plastic can automatically complete the processing of particle cutting forming and cooling to be solid granular output in the rotary die, so that subsequent cutting by devices such as a cutting machine is not needed, the operation is more convenient and the efficiency is greatly improved; in the process of outputting the solid granular plastic, the water separation device can carry out water filtration and surface moisture air drying treatment on the plastic granules, so that the subsequent storage of the plastic granules is facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the melt conveying apparatus of the present invention.

Fig. 3 is a schematic structural view of the melting mechanism of the present invention.

Fig. 4 is a schematic diagram of the combination of the impurity filtering mechanism and the conveying mechanism of the present invention.

Fig. 5 is a schematic structural view of a foreign substance filtering mechanism of the present invention.

Fig. 6 is a cross-sectional fit of a filter conduit of the present invention.

Fig. 7 is a cross-sectional view of the impurity filtering means of the present invention.

Fig. 8 is a schematic structural view of the conveying mechanism of the present invention.

Fig. 9 is a schematic structural diagram of the driving mechanism of the present invention.

Fig. 10 is a schematic diagram of the rotary die forming device and the water separation output device of the present invention.

Fig. 11 is a schematic structural view of the rotary die forming apparatus of the present invention.

Fig. 12 is a schematic structural view of a rotary die forming apparatus according to the present invention.

Fig. 13 is a schematic diagram of the internal components of the rotary die forming mechanism of the present invention.

FIG. 14 is a schematic view of the mating of the first mold member and the second mold member of the present invention.

FIG. 15 is a cross-sectional mating view of the first mold member of the present invention.

Fig. 16 is a schematic view of the mating of the internal components of the second mold member of the present invention.

FIG. 17 is a cross-sectional mating view of a second mold member of the invention.

Fig. 18 is a schematic cross-sectional view of a mold shaft and a fixing block according to the present invention.

FIG. 19 is a schematic cross-sectional view of a mold shaft and a second mold body of the present invention.

FIG. 20 is a schematic view of the mold shaft and water inlet mechanism of the present invention.

Fig. 21 is a schematic structural view of the intermittent rotation mechanism of the present invention.

Fig. 22 is a schematic view of the engagement of the sheave element and the dial element of the present invention.

Fig. 23 is a schematic structural view of the dial member of the present invention.

Fig. 24 is a schematic structural view of a water separation output device of the present invention.

Fig. 25 is a schematic structural view of the water receiving tank of the present invention.

FIG. 26 is a schematic illustration of the output mechanism of the present invention mated to a power coupling mechanism.

FIG. 27 is a schematic cross-sectional view of the separation drum of the present invention.

Detailed Description

The invention carries out melting and particle forming on plastic fragments, and has the advantages that in the melting process, the filter plate is adopted to filter impurities such as stones and the like on molten plastic, so that the quality of the formed plastic particles is ensured, the adverse effect of the impurities such as the stones and the like on the equipment is avoided, the impurities can be transported and discharged in real time by arranging the auger, the accumulation phenomenon of the impurities which can influence the transportation of the molten plastic cannot occur, meanwhile, the avoidance hole arranged on the spiral surface of the auger ensures that the auger does not influence the transportation process of the molten plastic, and the arrangement of the heat-insulating heating element can ensure that the molten plastic is always kept in a molten state in the transportation process; in the particle forming process, the rotary die is used as the die body, and the molten plastic can automatically complete the processing of particle cutting forming and cooling to be solid granular output in the rotary die, so that subsequent cutting by devices such as a cutting machine is not needed, the operation is more convenient and the efficiency is greatly improved; in the process of outputting the solid granular plastic, the water separation device can carry out water filtration and surface moisture air drying treatment on the plastic granules, so that the subsequent storage of the plastic granules is facilitated.

A cutting-free automatic chain-breaking plastic particle forming machine comprises a mounting frame body horizontally placed on the ground, wherein a melting conveying device 100, a rotary die forming device 200 and a water separation output device 300 are arranged on the mounting frame body, the melting conveying device 100 is used for melting and heating plastic fragments and filtering impurities of molten plastic and then conveying the molten plastic into the rotary die forming device 200, the rotary die forming device 200 is used for receiving the molten plastic, sequentially cooling the molten plastic to form a soft solid state, cutting the molten plastic into granules and performing water cooling forming treatment, and the water separation output device 300 is used for receiving a mixture of plastic granules and water and performing separation treatment on the mixture.

When the device is used, a worker transports and pours the chopped plastic fragments into the melting and conveying device 100 through manual work or the existing mechanical technology, the melting and conveying device 100 heats and melts the plastic and makes the plastic in a molten state, then the melting and conveying device 100 conveys the molten plastic into the rotary die forming device 200, and in the conveying process, the melting and conveying device 100 further filters impurities such as stones and the like on the molten plastic; the rotary die forming device 200 receives the molten plastic, sequentially cools the molten plastic into a soft solid state, cuts the molten plastic into granules, and performs water-cooling forming treatment, and then the plastics in the granular solid state and water are output to the water separation output device 300 together, and the water separation output device 300 separates the water from the plastic granules.

The melting and conveying device 100 comprises a melting mechanism 110, an impurity filtering mechanism 120, a conveying mechanism 130 and a driving mechanism 140, wherein the melting mechanism 110 is used for heating and melting plastic fragments, the impurity filtering mechanism 120 is used for filtering impurities of molten plastic, the conveying mechanism 130 is used for conveying the molten plastic into the rotary die forming device 200, and the driving mechanism 140 is used for providing power for the operation of the impurity filtering mechanism 120 and the conveying mechanism 130.

The melting mechanism 110 comprises a melting tank 111 with an open upper end and a closed lower end, the melting tank is fixed on the mounting frame body, and a melting heating element 112 is fixed outside the melting tank 111 and used for providing heating power for melting plastic fragments, a fixed pipeline communicated with an inner cavity of the melting tank 111 is coaxially arranged at the closed end of the melting tank 111, and a melting end cover is arranged at the open end of the melting tank 111 in a matched manner.

The impurity filtering mechanism 120 is arranged below the melting mechanism 110, the impurity filtering mechanism 120 includes a filtering pipeline 121, a connecting pipeline 122, an auger 123, and a storage disc 124, the filtering pipeline 121 is composed of two parts, namely a vertical section 1211 and an inclined section 1212, the vertical section 1211 is vertically fixed on the mounting frame body, the top end of the vertical section 1211 is communicated with the fixed pipeline, the inclined section 1212 is obliquely fixed on the mounting frame body, the inclined section 1212 and the vertical section 1211 are communicated with each other and form a cross arrangement, a filtering plate 1213 is arranged at the communication position of the vertical section 1211 and the inclined section 1212, the filtering plate 1213 is used for filtering impurities such as stones and the like on the molten plastic, and a fixed end cover is arranged at the lower pipe opening of the inclined section 1212 in a matching manner.

Connecting tube 122 slope be fixed in on the installation support body, and the incline direction of connecting tube 122 and the incline section 1212 incline direction of filtering duct 121 are located same straight line, connect the switch-on between the lower mouth of pipe of connecting tube 122 and the incline section 1212 of filtering duct 121 goes up the mouth of pipe, the upper mouth of pipe of connecting tube 122 matches and installs the installation end cover.

Set up in the slope section 1212 of filtering duct 121 under orificial fixed end cover coaxial seted up the through-hole, auger 123 and connecting tube 122 between be coaxial and arrange, auger 123's top and set up coaxial swing joint between orificial installation end cover on connecting tube 122, auger 123's bottom passes connecting tube 122 in proper order, filtering duct 121's slope section 1212, set up behind the through-hole on the fixed end cover and swing joint between the installation support body, auger 123 can rotate around self axial, still even interval is provided with a plurality of groups on auger 123's the helicoid and dodges the hole, dodge the hole and be used for rotating and carrying impurity in-process such as stone and avoid carrying away molten state plastics at the auger.

The outside of connecting tube 122 still be provided with the ejection of compact mouth 1221 of being connected the switch-on rather than the inner chamber, ejection of compact mouth 1221 is located connecting tube 122 under and ejection of compact mouth 1221 still is close to connecting tube 122's last nozzle, storage disc 124 horizontal fixation in the installation support body on and it still is located ejection of compact mouth 1221 under.

In the process that the plastic fragments are heated and melted in the melting tank body 111 to be molten, the plastic fragments cannot continuously fall down due to the existence of the auger 123 and the melting of the plastic fragments is not influenced;

molten plastic can fall downwards through the avoiding holes arranged on the spiral surface of the auger 123 and the filter plate 1213, impurities such as stones can be blocked by the filter plate 1213 in the falling process, and meanwhile, the auger 123 rotates and can pull the stones to be upwards conveyed to the discharge nozzle 1221 and finally fall into the storage disc 124.

The conveying mechanism 130 is located below the impurity filtering mechanism 120, the conveying mechanism 130 comprises a conveying pipeline 131 and a material pushing screw 133, the conveying pipeline 131 is horizontally fixed on the mounting frame body, a connecting nozzle 1311 communicated with an inner cavity of the conveying pipeline 131 is arranged outside the conveying pipeline 131, the connecting nozzle 1311 is located right above the conveying pipeline 131, and the connecting nozzle 1311 is communicated with a lower pipe orifice of the vertical section 1211 of the filtering pipeline 121.

A connecting bracket is arranged at one pipe orifice of the conveying pipeline 131, the pipe orifice is also connected and communicated with a material conveying joint 134, and a sealing end cover is arranged at the other pipe orifice of the conveying pipeline 131 and coaxially provided with an extending hole.

The pushing screw 133 and the conveying pipeline 131 are coaxially arranged, one end of the pushing screw 133 is movably connected with the connecting support, the other end of the pushing screw 133 penetrates through an extending hole formed in the sealing end cover and is movably connected with the mounting frame body, and the pushing screw 133 can axially rotate around itself.

Preferably, the exterior of the conveying pipe 131 is provided with a heat-insulating heating element 132 for insulating the molten plastic in the conveying pipe 131 and keeping the molten plastic in a molten state all the time.

The molten plastic drops into the conveying pipeline 131 through the connecting nozzle 1311, and meanwhile, the pushing screw 133 rotates and pulls the molten plastic to be conveyed towards the conveying joint 134, so that the molten plastic is prevented from being cooled and solidified due to the existence of the heat-insulating heating element 132 in the conveying process.

The driving mechanism 140 includes a driving motor 141, the driving motor 141 is horizontally fixed on the mounting frame body, an output shaft of the driving motor 141 is axially parallel to an axial direction of the pushing screw 133, a first power transmission member 142 is arranged between a power output end of the driving motor 141 and a power input end of the pushing screw 133, the first power transmission member 142 and the second power transmission member 142 are in power connection transmission, a second power transmission member 143 is arranged between the power input end of the pushing screw 133 and a power input end of the packing auger 123, and the two power transmission members are in power connection transmission through the second power transmission member 143.

The driving motor 141 operates and can drive the pushing screw 133 and the packing auger 123 to rotate through the cooperation of the power transmission piece I/II.

The rotary die forming device 200 is located on one side of the pipe orifice of the conveying pipeline 131, which is provided with the connecting support and deviates from the pipe orifice provided with the sealing end cover, the rotary die forming device 200 comprises a rotary die forming mechanism 210, an intermittent rotating mechanism 220 and a water inlet mechanism 230, the rotary die forming mechanism 210 is used for receiving molten plastic and providing a die for converting the molten plastic into a particle solid structure, the intermittent rotating mechanism 220 is used for driving the rotary die forming mechanism 210 to periodically and intermittently rotate, and the water inlet mechanism 230 is used for providing cooling water for the rotary die forming mechanism 210.

The rotary die forming mechanism 210 comprises a fixed shell 211, a first die component and a second die component, the fixed shell 211 is a cylindrical shell structure with openings at two ends and is coaxially arranged with the conveying pipeline 131, the fixed shell 211 is fixed on the mounting frame body, and a discharging nozzle 2113 connected and communicated with the inner cavity of the fixed shell 211 is arranged at the bottom of the fixed shell 211.

The second mold component comprises a mold shaft 212, a second mold body 213 and a fixing block 214, the mold shaft 212 and the fixing shell 211 are coaxially arranged, the mold shaft 212 is located on one side, away from the conveying mechanism 130, of the fixing shell 211, a supporting bracket is arranged between the mold shaft 212 and the mounting frame body, the supporting bracket is fixed on the mounting frame body, the mold shaft 212 is mounted on the supporting bracket through a bearing, and the mold shaft 212 can axially rotate around itself.

The second mold body 213 is a cylindrical structure, the second mold body 213 is coaxially located in the fixed housing 211, the second mold body 213 is further coaxially and fixedly connected with the mold shaft 212, an installation groove 2134 in a circular groove structure is coaxially arranged on an end surface, facing the conveying mechanism 130, of the second mold body 213, a second mold hole 2132 connected and communicated with the installation groove 2134 is further arranged on an outer circumferential surface of the second mold body 213, and a plurality of groups of the second mold holes 2132 are arranged in an array manner along the circumferential direction of the second mold body 213.

The fixed block 214 is located on a side of the second mold body 213 away from the conveying mechanism 130, the fixed block 214 is a cylindrical structure, the fixed block 214 is coaxially fixed outside the mold shaft 212, and the fixed block 214 is further fixedly connected with the second mold body 213 in a sealing manner.

The mould axle 212, fixed block 214, the second mould body 213 between be provided with the inhalant canal net, it is specific, the terminal surface that the mould axle 212 deviates from conveying mechanism 130 be provided with inlet channel 2122 and this terminal surface matching installs sealed pullover, the excircle face of mould axle 212 is provided with the inlet opening 2121 and the inlet opening two 2123 of being connected the switch-on with inlet channel 2122, inlet opening one 2121 is close to sealed pullover and inlet opening one 2121 and is provided with a plurality of groups along the circumferencial direction array of mould axle 212, inlet opening two 2123 is close to the second mould body 213 and inlet opening two 2123 and is provided with a plurality of groups along the circumferencial direction array of mould axle 212.

The end face of the fixing block 214 facing the second die body 213 is coaxially provided with a first water inlet ring groove 2142, the fixing block 214 is further provided with a connecting hole 2141 for connecting and communicating the first water inlet ring groove 2142 and a second water inlet hole 2123, and the connecting hole 2141 is correspondingly provided with a plurality of groups.

The end surface of the second mold body 213 facing the fixing block 214 is coaxially provided with a second water inlet ring groove 2131 connected and communicated with the first water inlet ring groove 2142, the second mold body 213 is further provided with a second connecting hole 2133 used for connecting and communicating the second water inlet ring groove 2131 and the second mold hole 2132, and the connecting holes 2133 are correspondingly provided with a plurality of groups.

The first water inlet hole 2121, the second water inlet hole 2122, the second water inlet hole 2123, the connecting hole 2141, the first water inlet ring groove 2142, the second water inlet ring groove 2131 and the communicating hole 2133 form a water inlet channel network of the second mold component.

The area between the outer circular surface of the second mold body 213 and the wall of the fixed housing 211 is the cooling molding area of the rotary molding mechanism 210.

And a second closed end cap 2112 for sealing between the second mold member and the opening of the fixed shell 211 departing from the conveying mechanism 130 is arranged between the second mold member and the opening.

The first die member is located on one side, facing the conveying mechanism 130, of the second die member, the first die member comprises a first die body 216, the first die body 216 is of a cylindrical structure, the first die body 216 is coaxially located in a mounting groove 2134 of the second die body 213, specifically, a supporting protrusion 2163 which is of a cylindrical protrusion structure is coaxially arranged on the end surface, facing the bottom of the mounting groove 2134, of the first die body 216, a supporting groove is coaxially arranged at the bottom of the mounting groove 2134, the free end of the supporting protrusion 2163 is coaxially located in the supporting groove, the free end and the free end are not interfered with each other, and the outer circular surface of the first die body 216 is in close contact with the wall of the mounting groove 2134.

The end surface of the first die body 216 facing the conveying mechanism 130 is coaxially provided with a feed groove 2161, a feed nozzle 217 is arranged at the notch of the feed groove 2161 in a matching way, and the free end of the feed nozzle 217 is communicated with the feeding joint 134.

The outer circular surface of the first die body 216 is further provided with a first die hole 2162 communicated with the feed chute 2161, the first die hole 2162 is also communicated with a second die hole 2132, and the first die holes 2162 are correspondingly arrayed in a plurality of groups along the circumferential direction of the first die body 216.

A first closed end cap 2111 for sealing between the first mold member and the opening of the fixed shell 211 facing the conveying mechanism 130 is arranged between the first mold member and the opening, and the first mold body 216 is fixedly connected with the first closed end cap 2111.

The rotary die forming mechanism 210 receives the molten plastic and performs a particle forming process on the molten plastic, which is specifically represented as follows: the molten plastic flows to the first mold hole 2162 through the feeding nozzle 217 and the feeding groove 2161, and then flows to the second mold hole 2132, in the process, water flows into the second mold hole 2132 through the water inlet mechanism 230 and the water inlet channel network of the second mold member, the molten plastic is gradually converted into a soft solid state while approaching the second mold hole 2132, when the size of the soft solid plastic entering the second mold hole 2132 meets the requirement, the intermittent rotation mechanism 220 drives the second mold member to rotate, because the first mold member is stationary, the second mold member rotates to break the soft solid plastic and cut the soft solid plastic into granules, because the rotation of the second mold member is periodic intermittent rotation, the soft solid plastic granules are gradually and orderly accumulated in the second mold hole 2132 and finally pushed into the cooling molding area, in the process that the soft solid plastic particles are pushed into the cooling forming area, water flows into the cooling forming area through the water inlet mechanism 230, the water inlet channel net of the second mold component and the second mold hole 2132 and is finally discharged through the discharge nozzle 2113, and the soft solid plastic particles are cooled in the second mold hole 2132 and the cooling forming area by the water to form solid granular heels which are discharged through the discharge nozzle 2113 together with the water.

In the first starting process of the plastic particle forming machine, when molten plastic is conveyed into the cooling forming area through the conveying pipeline 131, the feeding nozzle 217, the feeding groove 2161, the first die hole 2162 and the second die hole 2132, water flows into the second die hole 2132 and the cooling forming area through the water inlet mechanism 230 and the water inlet channel network of the second die member, so that the solid plastic discharged along with the water is irregular at first, and the solid granular plastic is discharged along with the water after a period of time.

More specifically, when the soft solid plastic particles are cooled by water in the second mold hole 2132, and the soft solid plastic particles are just entering the second mold hole 2132, a bonding phenomenon may be formed between the soft solid plastic particles and another adjacent group of soft solid plastic particles, in order to solve the problem, a discharging member 215 is arranged in a cooling forming area of the rotary mold forming mechanism 210, the discharging member 215 includes a fixing ring 2151 and a discharging plate 2152, the fixing ring 2151 is coaxially fixed outside the second mold body 213, the discharging plate 2152 is fixed on an annular surface of the fixing ring 2151, a large surface of the discharging plate 2152 is parallel to an axial direction of the fixing ring 2151, the discharging plate 2152 is also located right above the second mold hole 2132, an included angle is formed between the discharging plate 2152 and the mold hole 2132, and a plurality of groups of discharging plates 2152 are correspondingly arranged; during the process of conveying the plastic granules in the second mold hole 2132 into the cooling and molding area, the plastic granules will first contact with the inclined surface of the discharging plate 2152, and then, while the plastic granules continue to be conveyed into the cooling and molding area, a pressing force will be formed between the plastic granules and the discharging plate 2152, and the pressing force will drive the plastic granules to slide along the inclined surface of the discharging plate 2152, so that the adhesion between the plastic granules and another adjacent group of plastic granules is broken.

The water inlet mechanism 230 comprises a water inlet pipe 231 and a rotary joint 232, the rotary joint 232 is a cylindrical structure with two open ends and built-in steps, the rotary joint 232 is coaxially and movably sleeved outside the part of the die shaft 212 provided with the water inlet hole 2121, the inner cavity of the rotary joint 232 is communicated with the water inlet hole 2121, the rotary joint 232 and the die shaft 212 are not interfered with each other, and preferably, sealing rings are arranged between the two open ends of the rotary joint 232 and the die shaft 212 in a matched mode.

One end of the water inlet pipe 231 is connected with the rotary joint 232, and the other end is connected with the cooling water supply system.

The water in the cooling water supply system flows into the water inlet passage network of the second mold member through the water inlet pipe 231, the rotary joint 232 and the water inlet hole one 2121.

The intermittent rotation mechanism 220 comprises a rotation motor 221, a sheave member and a dial member, wherein the sheave member comprises a driven sheave 223 coaxially fixed outside the die shaft 212, a plurality of groups of concave locking arcs are arrayed on the outer circumferential surface of the driven sheave 223 along the circumferential direction of the driven sheave 223, a radial groove 224 is arranged between every two adjacent groups of concave locking arcs, the radial groove 224 penetrates through the axial thickness of the driven sheave 223, and the guiding direction of the radial groove 224 is parallel to the diameter direction of the driven sheave 223 at the point.

The dial piece comprises a dial shaft 225, a driving dial 226 and a cylindrical pin 227, the axial direction of the dial shaft 225 is parallel to the axial direction of the die shaft 212, the dial shaft 225 is movably mounted on the support bracket and can rotate around the axial direction of the dial shaft, the driving dial 226 is coaxially fixed outside the dial shaft 225, a convex locking arc matched with the concave locking arc is arranged on the driving dial 226, and the cylindrical pin 227 is eccentrically arranged on the driving dial 226 and matched with the radial groove 224.

The axial direction of the output shaft of the rotating motor 221 is parallel to the axial direction of the die shaft 212, the rotating motor 221 is fixed on the mounting frame body, a power transmission member III 222 is arranged between the power output end of the rotating motor 221 and the dial shaft 225, power connection transmission is carried out between the power output end of the rotating motor 221 and the dial shaft through the power transmission member III 222, and particularly, the power transmission member III 222 is of a belt transmission power transmission structure.

The rotating motor 221 operates and pulls the dial shaft 225 to rotate around the axial direction of the dial shaft 225, during a period of rotation of the dial shaft 225, the driving dial 226 rotates to enable the cylindrical pin 227 to enter the radial groove 224 of the driven sheave 223 and the convex locking arc and the concave locking arc are just separated, at this time, the cylindrical pin 227 is matched with the radial groove 224 to drive the driven sheave 223/the die shaft 212/the second die body 213 to rotate and the rotational displacement is equal to the distance between two adjacent sets of die holes, then the cylindrical pin 227 is separated from the radial groove 224 and the convex locking arc locks the concave locking arc, the dial shaft 225 does not pull the driven sheave 223 to rotate, the die shaft 212/the second die body 213 is in a static state, and the reciprocating is carried out, so that the second die member does unidirectional periodic intermittent rotation.

The water separation output device 300 comprises an output mechanism 310, a power connection mechanism 320 and a water receiving tank 330, wherein the output mechanism 310 is used for receiving a mixture of plastic particles and water output by the rotary die forming mechanism 210 and separating the mixture to output force, the power connection mechanism 320 is used for power connection between the output mechanism 310 and the dial plate shaft 225, and the water receiving tank 330 is used for receiving water separated and discharged by the output mechanism 310.

The output mechanism 310 comprises a separation drum 311, a material receiving pipeline 312 and a material discharging pipeline 313, the separation drum 311 is in a cylindrical structure which is axially parallel to the axial direction of the die shaft 212 and has two open ends, the separation drum 311 is movably arranged on the mounting frame body and can rotate around the axial direction of the separation drum 311, and a plurality of groups of filtering holes are uniformly arranged on the outer circumferential surface of the separation drum 311 at intervals.

The material receiving pipeline 312 is obliquely arranged, the highest end of the material receiving pipeline 312 is fixedly connected and communicated with the discharging nozzle 2113, the lowest end of the material receiving pipeline passes through one opening end of the separation rotating cylinder 311 and extends into the separation rotating cylinder 311, and the other opening end of the separation rotating cylinder 311 is provided with a fan 314 in a matching manner.

The inside slope of separation revolving drum 311 be fixed with guide plate 3111, the peak of guide plate 3111 is towards material receiving pipeline 312, the minimum is towards fan 314, guide plate 3111 is provided with several groups and is the distribution of step between a plurality of groups guide plate 3111 along the axial array of separation revolving drum 311.

The separation drum 311 is provided with a discharging sleeve at the opening end of the fan 314, the discharging pipe 313 is arranged obliquely, and the highest end of the discharging pipe 313 is communicated with the discharging sleeve.

The power connection mechanism 320 includes a transmission shaft 321, the transmission shaft 321 is coaxially and fixedly connected with the dial plate shaft 225, a power connection member 322 is disposed between the transmission shaft 321 and the separation drum 311, and power connection transmission is formed between the transmission shaft 321 and the separation drum 311, specifically, the power connection member 322 is a V-belt transmission structure.

The water receiving tank 330 is fixed on the mounting frame body and is also positioned right below the separation drum 311.

Preferably, the bottom of the water receiving tank 330 is connected and communicated with a water outlet pipeline 331, and the water outlet pipeline 331 is connected and communicated with a cooling water supply system; the significance is that the water in the water receiving tank 330 flows into the cooling water supply system through the water outlet pipeline 331, so that the water resource is utilized to the maximum extent.

The mixture of the solid plastic particles and water flows into the separation drum 311 through the material receiving pipeline 312, the water flows downwards into the water receiving tank 330 through the filtering holes, the solid plastic particles are left in the separation drum 311, meanwhile, the power connecting mechanism 320 receives power generated by rotation of the dial plate shaft 225 and transmits the power to the separation drum 311 through the power connecting piece 322 so as to enable the separation drum 311 to rotate around the axial direction of the separation drum, and in the rotating process, the guide plate 3111 guides the solid plastic particles to the connection position of the discharge sleeve and the discharge pipeline 313 and guides the solid plastic particles to be output through the discharge pipeline 313; in the above process, the fan 314 operates, and the wind power of the fan 314 is not enough to prevent the guide plate 3111 from guiding the plastic particles to be conveyed to the discharge pipe 313, the plastic particles are finally concentrated to the connection position of the discharge sleeve and the discharge pipe 313 and are output outwards through the discharge pipe 313 under the guiding action of the guide plate 3111 and the wind power of the fan 314, and the separation of the fan 314 also performs surface moisture air drying treatment on the solid plastic particles.

Claims

1. The molten plastic conveying assembly for recycling the foamed plastic is characterized by comprising an installation frame body horizontally placed on the ground, wherein a melting conveying device (100) is arranged on the installation frame body, and the melting conveying device (100) is used for melting and heating plastic fragments, filtering impurities of the molten plastic and conveying the molten plastic into subsequent particle forming equipment;

2. A molten plastic conveying assembly for recycling of foamed plastic according to claim 1, wherein the melting mechanism (110) comprises a melting tank (111) with an open upper end and a closed lower end and fixed on the mounting frame, and a melting heating element (112) fixed outside the melting tank (111) and used for providing heating power for melting of plastic fragments, the closed end of the melting tank (111) is coaxially provided with a fixed pipe communicated with an inner cavity of the melting tank, and the open end of the melting tank (111) is matched and provided with a melting end cover.

3. The molten plastic conveying assembly for recycling of foamed plastic according to claim 2, wherein the impurity filtering mechanism (120) is disposed below the melting mechanism (110), the impurity filtering mechanism (120) comprises a filtering pipe (121), a connecting pipe (122), an auger (123), and a storage tray (124), the filtering pipe (121) is composed of two parts, and is a vertical section (1211) and an inclined section (1212), the vertical section (1211) is vertically fixed on the mounting frame body, the top end of the vertical section (1211) is connected and communicated with the fixed pipe, the inclined section (1212) is obliquely fixed on the mounting frame body, the inclined section (1212) and the vertical section (1211) are communicated with each other and arranged in a cross manner, a filtering plate (1213) is disposed at the connecting position of the vertical section (1211) and the inclined section (1212), and the filtering plate (1213) is used for filtering impurities such as stones and the like on the molten plastic, a fixed end cover is arranged at the lower nozzle of the inclined section (1212) in a matching way;

4. A molten state plastic conveying assembly for recycling of foamed plastic according to claim 3, wherein the conveying mechanism (130) is located below the impurity filtering mechanism (120), the conveying mechanism (130) comprises a conveying pipe (131) and a pushing screw (133), the conveying pipe (131) is horizontally fixed on the mounting frame body, a connecting nozzle (1311) communicated with an inner cavity of the conveying pipe (131) is arranged outside the conveying pipe (131), the connecting nozzle (1311) is located right above the conveying pipe (131), and the connecting nozzle (1311) is communicated with a lower nozzle of the vertical section (1211) of the filtering pipe (121);

5. A molten plastic conveying assembly for the recycling of cellular plastics, according to claim 4, characterized in that the outside of said conveying pipe (131) is fitted with a thermal insulating heating element (132) for insulating and keeping the molten plastic inside the conveying pipe (131) in the molten state all the time.

6. The molten plastic transport assembly for foam recycling according to claim 4, the device is characterized in that the driving mechanism (140) comprises a driving motor (141), the driving motor (141) is horizontally fixed on the mounting frame body, the axial direction of an output shaft of the driving motor (141) is parallel to the axial direction of the pushing screw (133), a first power transmission piece (142) is arranged between the power output end of the driving motor (141) and the power input end of the pushing screw (133), power connection transmission is carried out between the power output end of the driving motor (141) and the power input end of the pushing screw (133), a second power transmission piece (143) is arranged between the power input end of the pushing screw (133) and the power input end of the packing auger (123), power connection transmission is carried out between the power output end of the pushing screw and the packing auger through a second power transmission piece (143), the first power transmission piece (142) is of a belt transmission power transmission structure, and the second power transmission piece (143) is.