CN203460352U - Crushing, regenerating and moulding equipment for plastic difficult to recover - Google Patents

Crushing, regenerating and moulding equipment for plastic difficult to recover Download PDF

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Publication number
CN203460352U
CN203460352U CN201320507581.9U CN201320507581U CN203460352U CN 203460352 U CN203460352 U CN 203460352U CN 201320507581 U CN201320507581 U CN 201320507581U CN 203460352 U CN203460352 U CN 203460352U
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China
Prior art keywords
difficult
crushing
regenerating unit
system equipment
machine barrel
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Expired - Fee Related
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CN201320507581.9U
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Chinese (zh)
Inventor
何平
吴仲伟
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Anhui Jianzhu University
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Anhui Jianzhu University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

The utility model discloses crushing, regenerating and moulding equipment for plastic difficult to recover. The equipment comprises crushing system equipment and moulding system equipment which are connected, wherein a regenerating device is connected and installed between the crushing system equipment and moulding system equipment and comprises a regenerating device chamber which is communicated and provided with a hopper for feeding regenerating materials. The regenerating device chamber is internally provided with a shearing mechanism for crushing the materials, a grinding mechanism for damaging netty cross-linked structures of the materials, and a stirring mechanism for uniformly mixing the regenerated materials or the regenerated materials and thermoplastic resin/a plastic assistant. According to the equipment disclosed by the utility model, waste materials are physically changed through mechanical and physical effects to promote the chemical property of the waste materials to be changed. Chemical reactions are carried out between molecular structures of thermosetting plastic and thermoplastic plastic through addition of thermoplastic plastic components and the assistant as well as a strong mechanical force and a friction heat effect generated in the stirring process, so that the regenerating process is realized. A regenerated plastic product with a relatively strong mechanical performance can be obtained.

Description

Pulverizing regeneration and the former of difficult recycled plastic
Technical field
The utility model relates to a kind of waste or used plastics treatment facility, is specifically related to a kind of equipment of recycling of difficult recycled plastic, particularly a kind of to being difficult to thermosetting plastics discarded object pulverizing regeneration and the former of regeneration.
Background technology
Along with the reinforcement of people's environmental consciousness, one waste or used plastics has obtained good regeneration.But due to the physicochemical properties restriction of difficult recycled plastic in waste or used plastics, cause being difficult to realize its recycling is processed.
Described difficult recycled plastic comprises phenolic resins, epoxy resin, unsaturated polyester (UP), melamine and Lauxite etc., all take thermosetting plastics as main, has the superior physical and chemical performances such as mechanical strength is high, good heat resistance.Be mainly used in the adverse circumstances such as heat insulation, wear-resisting, insulation, high pressure resistant electricity, be widely used in the applications such as electrical apparatus insulation, daily, mechanical, building and fiberglass.There is chemical change in these class plastics, the linear structure of molecular structure from processing becomes cross-linked network, again heating and melting in process, can not in solvent, dissolve, therefore recycle difficult, thereby caused a large amount of rubbish, contaminated environment becomes discarded object.
At present, the recovery method having worked out mainly contains Mechanical Method and chemical method.Physical refers in the situation that do not destroy the chemical constitution of high molecular polymer itself, do not change its basic composition, only change the method for directly utilizing after the physical aspect of discarded object, this method production efficiency compared with high, simple to operate, secondary pollution is few, but the product properties of producing is poor, can only make secondary articles for use and use, economic benefit is low; Chemical method is recycle or make active carbon by sintering by being cracked into monomer and oligomer, and defect is complex process, poor for applicability, organic efficiency is low, and production cost is high, and technical difficulty is higher, the toxic byproduct that reaction produces is difficult to control, serious environment pollution.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and pulverizing regeneration and the former of the difficult recycled plastic that a kind of technique is simple, easy to use, organic efficiency is good, regenerated plastics product properties is strong is provided.
Pulverizing regeneration and the former of difficult recycled plastic, comprise the crushing system equipment and the formation system equipment that join; Between described crushing system equipment and formation system equipment, be connected and installed with regenerating unit, described regenerating unit comprises regenerating unit cavity, on described regenerating unit cavity, be communicated with and be provided with for throwing in the hopper of reworked material, in described regenerating unit cavity, be provided with cutting mechanism for comminuting matter, for grinding mechanism that material cross-linked network is destroyed and rabbling mechanism that reworked material or reworked material are mixed with thermoplastic resin/plastic additive.
Described cutting mechanism, comprise the shearing cutter shaft being set on main shaft, described main shaft is horizontally installed in regenerating unit cavity, and one end and regenerating unit drive motors power join, the other end is provided with rabbling mechanism, and described shear knife shaft extension is provided with annular stationary knife to one end of regenerating unit drive motors; Described grinding mechanism comprises movable grinding disc and the static cutting disk that gap arranges, and movable grinding disc is arranged on the ring flange of shearing cutter shaft one end, and shears cutter shaft synchronous rotary, and static cutting disk is fixedly mounted on regenerating unit cavity inner wall; Described rabbling mechanism is comprised of the stirring vane of several rotations.
Preferably,
Described crushing system equipment comprises breaker and fine powder crushing device, and the entrance point of described breaker inner chamber is provided with rotary crushing cutter, the port of export of described rotary crushing cutter and breaker inner chamber be interval with filter screen; The entrance point of described fine powder crushing device inner chamber is provided with annular stationary knife, in described annular stationary knife, is provided with rotation moving knife.
Preferably,
Described formation system equipment comprises heating extrusion device and molding device, described heating extrusion device comprises machine barrel, described machine barrel is connected to the charging aperture place of molding device, in the inner chamber of described machine barrel, be provided with material is clamp-oned to the screw rod in progressive die pressure device, machine barrel is laid with ring shaped heating mechanism outward.
Preferably,
The machine barrel of described heating extrusion device is provided with stay-warm case outward, and gas extraction system is installed on machine barrel, and shaped device drive motors provides power by reduction box for the screw rod in machine barrel.
Preferably,
Described molding device comprises frame, and described frame bottom is fixed with die, and described die top is provided with suitable with it, and die involutory surface longitudinally moves back and forth punch relatively, and the discharge end of machine barrel leads to die involutory surface.
Preferably,
The inwall of described die, punch is evenly distributed with releasing agent.
Preferably,
Described movable grinding disc and static cutting disk structure are identical, and center is through hole, and on the relative conical surface of two mills, cutter tooth is ground in regular distribution.
Preferably,
The spacing of described movable grinding disc and static cutting disk is adjustable.
First the utility model utilizes crushing system equipment to carry out coarse crushing to waste and old thermosetting plastics and obtains crushed material, material after pulverizing is sent into regenerating unit, make material generation mechanical force priming reaction, obtain the reworked material of high reaction activity, finally in compression molding, manufacture regenerated plastics product.
It is poor that the utility model can overcome original Physical product properties, and the shortcoming that economic benefit is low not only makes waste material generation physical change by mechanical-physical effect, produce Mechanochemical Effect simultaneously, impel chemical property to change, waste material obtains pulverizes regeneration, recovers processability; Under mechanical-physical effect, by adding the strong mechanical force that produces in thermoplastic composition and auxiliary agent and whipping process and frictional heat effect, impel between thermosetting plastics and thermoplastic molecular structure chemical reaction occurs, realize regenerative process, acquire dough shape reconstituted mixt, like this by the extruding and pressure forming of reclaimer, the final regenerated plastics goods with stronger mechanical property that obtain.And each device is interdependent successively, forms a complete production line, can realize suitability for industrialized production, has very large environmental benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of regenerating unit in the utility model.
Fig. 3 is the structural representation of moving/static cutting disk in the utility model.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is described further.Should be understood that following examples are only for the utility model is described but not for limiting scope of the present utility model.
Referring to Fig. 1, pulverizing regeneration and the former of a kind of difficult recycled plastic that the utility model provides, comprise the crushing system equipment 1 and the formation system equipment 2 that join, certainly the interpolation of other auxiliary equipment (such as conveying equipment etc.), utility model design and technical scheme that also completely applicable the utility model proposes.
In order to solve the problem existing at the described current known technology of this description background technology part and to overcome its defect, guarantee the article of manufacture poor performance that difficult recycled plastic can not cause because of its characteristic, the complexity of technique, the technical scheme that the utility model is taked is: as shown in Figure 1, between crushing system equipment 1 and formation system equipment 2, be connected and installed with regenerating unit 3, in conjunction with Fig. 2, described regenerating unit 3 comprises regenerating unit cavity 3a, upper connection of described regenerating unit cavity 3a is provided with for throwing in the hopper 3b of reworked material, in described regenerating unit cavity 3a, be provided with the cutting mechanism 3a1 for comminuting matter, for the 3a2 of grinding mechanism that material cross-linked network is destroyed and rabbling mechanism 3a3 that reworked material or reworked material are mixed with thermoplastic resin/plastic additive.
Described cutting mechanism 3a1 comprises the shearing cutter shaft 3a5 being set on main shaft 3a4, described main shaft 3a4 is horizontally installed in regenerating unit cavity 3a, one end regenerating unit drive motors 3a6 power outside with it joins, the other end is provided with rabbling mechanism 3a3, one end that described shearing cutter shaft 3a5 stretches to regenerating unit drive motors 3a6 is provided with annular stationary knife 3a7, cutting mechanism 3a1 utilizes the effect of high speed shear power that material is fully pulverized, utilize the responsive to axial force of shearing cutter shaft simultaneously, material is sent into grinding region.
The described grinding 3a2 of mechanism comprises movable grinding disc 3a8 and the static cutting disk 3a9 that gap arranges, movable grinding disc 3a8 is arranged on the ring flange of shearing cutter shaft 3a5 one end, with shearing cutter shaft 3a5 synchronous rotary, static cutting disk 3a9 is fixedly mounted on regenerating unit cavity 3a inwall, the strong shearing force that the relative high-speed motion of movable grinding disc 3a8 and static cutting disk 3a9 forms and strong extruding force, the periodic shearing that material is subject in this course, extruding, circumference stress effect, material cross-linked network is further destroyed, molecular chain structure fracture, there is mechanical force-chemical reaction in material, generate a large amount of active reactive groups.
Described rabbling mechanism 3a3 is comprised of the stirring vane of several rotations, reworked material or reworked material are mixed with thermoplastic resin/plastic additive, the strong mechanical force simultaneously producing in whipping process and rubbing action impel between active reactive group and the molecular structure of thermoplasticity composition mechanical force chemosynthesis reaction occur, recover moulding working ability, obtain the reworked material of high reaction activity.
Under mechanical-physical effect, by adding the strong mechanical force that produces in thermoplastic composition and auxiliary agent and whipping process and frictional heat effect, impel between thermosetting plastics and thermoplastic molecular structure chemical reaction occurs, realize regenerative process, acquire dough shape reconstituted mixt, enter so again after molding procedure, can finally obtain the regenerated plastics goods with stronger mechanical property.
The utility model is in order further to improve its structure, and structure of the present utility model in the specific implementation, can also, on above-described technical scheme basis, adopt the following examples:
Embodiment 1
Described crushing system equipment 1 comprises breaker 1a and fine powder crushing device 1b, the entrance point of described breaker 1a inner chamber is provided with rotary crushing cutter 1a1, the port of export of described rotary crushing cutter 1a1 and breaker 1a inner chamber be interval with filter screen 1a2, the high rigidity highstrenghtpistons such as the phenolic aldehyde of bulk, epoxy carry out fragmentation and obtain after fragmentation by rotary crushing cutter 1a2, enter after filtration fine powder crushing device 1b; The entrance point of described fine powder crushing device 1b inner chamber is provided with annular stationary knife 1b1, is provided with rotation moving knife 1b2 in described annular stationary knife 1b1, and described annular stationary knife 1b1, rotation moving knife 1b2 are connected with the port of export of fine powder crushing device 1.The ringing that utilizes high speed shear power in fine powder crushing device 1b, is pulverized material fully, can obtain fine powder material.
Embodiment 2
Described formation system equipment 2 comprises heating extrusion device 2b and molding device 2c, described heating extrusion device 2b comprises machine barrel 2b1, described machine barrel 2b1 is connected to the charging aperture place of molding device 2c, in the inner chamber of described machine barrel 2b1, be provided with material is clamp-oned to the screw rod 2b2 in progressive die pressure device 2c, machine barrel 2b1 is laid with ring shaped heating mechanism 2b3 outward.
The machine barrel 2b1 of described heating extrusion device 2b is provided with stay-warm case 2b4 outward, and gas extraction system 2b5 is installed on machine barrel 2b1, and shaped device drive motors 2b6 provides power by reduction box 2b7 for the screw rod 2b2 in machine barrel 2b1.Reworked material delivers in machine barrel 2b1, shaped device drive motors 2b6 drives the rotation of screw rod 2b2, and screw rod 2b2 rotates in machine barrel 2b1, realizes the conveying of material, melting, shearing and exhaust, finally material compression is produced to pressure, material is extruded from die head 2b8.In this process, ring shaped heating mechanism 2b3 heats machine barrel 2b1, make the temperature of machine barrel 2b1 be controlled at 170180 ℃, material is after Solid Conveying and Melting, compression melting, by pellet, become dough shape, during through gas extraction system 2b5, the moisture of material and escaping gas are discharged machine barrel 2b1 by gas extraction system 2b5.
Embodiment 3
Described molding device 2c comprises frame 2c1, described frame 2c1 bottom is fixed with die 2c2, described die 2c2 top is provided with suitable with it, and die 2c2 involutory surface longitudinally moves back and forth punch 2c3 relatively, and the discharge end of machine barrel 2b1 leads to die 2c2 involutory surface.The inwall of described die 2c2, punch 2c3 is evenly distributed with releasing agent, and by the adjustment of Clamping System, punch 2c3 enters segment distance in die 2c2, forms the die cavity of sealing.Doughy reworked material is clamp-oned in die 2c2, be full of reworked material in die 2c2 die cavity after, from rising head, emerge, extruding mold process stops, start Clamping System, punch 2c3 moves downward, and material is compressed, and makes doughy reworked material smaller volume, compacting, release die sinking after pressurize, cooling rear acquisition regenerated plastics product.
Embodiment 4
Referring to Fig. 3, described movable grinding disc 3a8 and static cutting disk 3a9 structure are identical, and center is through hole, and on the relative conical surface of two mills, cutter tooth 3a10 is ground in regular distribution, and between two mills, have adjustable gap and form and grind space.

Claims (9)

1. pulverizing regeneration and the former of a difficult recycled plastic, comprise the crushing system equipment and the formation system equipment that join, it is characterized in that: between described crushing system equipment and formation system equipment, be connected and installed with regenerating unit, described regenerating unit comprises regenerating unit cavity, on described regenerating unit cavity, be communicated with and be provided with for throwing in the hopper of reworked material, in described regenerating unit cavity, be provided with the cutting mechanism for comminuting matter, for grinding mechanism that material cross-linked network is destroyed and rabbling mechanism that reworked material or reworked material are mixed with thermoplastic resin/plastic additive.
2. pulverizing regeneration and the former of difficult recycled plastic according to claim 1, it is characterized in that: described cutting mechanism, comprise the shearing cutter shaft being set on main shaft, described main shaft is horizontally installed in regenerating unit cavity, one end and regenerating unit drive motors power join, the other end is provided with rabbling mechanism, and described shear knife shaft extension is provided with annular stationary knife to one end of regenerating unit drive motors; Described grinding mechanism comprises movable grinding disc and the static cutting disk that gap arranges, and movable grinding disc is arranged on the ring flange of shearing cutter shaft one end, and shears cutter shaft synchronous rotary, and static cutting disk is fixedly mounted on regenerating unit cavity inner wall; Described rabbling mechanism is comprised of the stirring vane of several rotations.
3. pulverizing regeneration and the former of difficult recycled plastic according to claim 1, it is characterized in that: described crushing system equipment comprises breaker and fine powder crushing device, the entrance point of described breaker inner chamber is provided with rotary crushing cutter, the port of export of described rotary crushing cutter and breaker inner chamber be interval with filter screen; The entrance point of described fine powder crushing device inner chamber is provided with annular stationary knife, in described annular stationary knife, is provided with rotation moving knife.
4. pulverizing regeneration and the former of difficult recycled plastic according to claim 1, it is characterized in that: described formation system equipment comprises heating extrusion device and molding device, described heating extrusion device comprises machine barrel, described machine barrel is connected to the charging aperture place of molding device, in the inner chamber of described machine barrel, be provided with material is clamp-oned to the screw rod in progressive die pressure device, machine barrel is laid with ring shaped heating mechanism outward.
5. pulverizing regeneration and the former of difficult recycled plastic according to claim 4, it is characterized in that: the machine barrel of described heating extrusion device is provided with stay-warm case outward, gas extraction system is installed on machine barrel, and shaped device drive motors provides power by reduction box for the screw rod in machine barrel.
6. pulverizing regeneration and the former of difficult recycled plastic according to claim 4, it is characterized in that: described molding device comprises frame, described frame bottom is fixed with die, described die top is provided with suitable with it, and die involutory surface longitudinally moves back and forth punch relatively, the discharge end of machine barrel leads to die involutory surface.
7. pulverizing regeneration and the former of difficult recycled plastic according to claim 6, is characterized in that: the inwall of described die, punch is evenly distributed with releasing agent.
8. pulverizing regeneration and the former of difficult recycled plastic according to claim 2, is characterized in that: described movable grinding disc and static cutting disk structure are identical, and center is through hole, and on the relative conical surface of two mills, cutter tooth is ground in regular distribution.
9. pulverizing regeneration and the former of difficult recycled plastic according to claim 2, is characterized in that the spacing of described movable grinding disc and static cutting disk is adjustable.
CN201320507581.9U 2013-08-19 2013-08-19 Crushing, regenerating and moulding equipment for plastic difficult to recover Expired - Fee Related CN203460352U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105710984A (en) * 2016-03-13 2016-06-29 宁波绿华橡塑机械工贸有限公司 Broken plastic plasticator
CN105711055A (en) * 2016-03-13 2016-06-29 宁波绿华橡塑机械工贸有限公司 Broken plastic regeneration plasticizer
CN105839902A (en) * 2016-05-20 2016-08-10 温州市和润涂饰有限公司 Homogenizer for cement dry-powder putty for wall face of building
CN109093824A (en) * 2018-07-24 2018-12-28 虞甜甜 The equipment for recycling processing household craftwork with solid waste
CN111015998A (en) * 2019-12-07 2020-04-17 贾晓轩 Plastic particle and processing system and processing technology thereof
CN111844585A (en) * 2020-07-21 2020-10-30 上海汽车地毯总厂有限公司 Thermoplastic material compression molding equipment and compounding method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105710984A (en) * 2016-03-13 2016-06-29 宁波绿华橡塑机械工贸有限公司 Broken plastic plasticator
CN105711055A (en) * 2016-03-13 2016-06-29 宁波绿华橡塑机械工贸有限公司 Broken plastic regeneration plasticizer
CN105839902A (en) * 2016-05-20 2016-08-10 温州市和润涂饰有限公司 Homogenizer for cement dry-powder putty for wall face of building
CN109093824A (en) * 2018-07-24 2018-12-28 虞甜甜 The equipment for recycling processing household craftwork with solid waste
CN111015998A (en) * 2019-12-07 2020-04-17 贾晓轩 Plastic particle and processing system and processing technology thereof
CN111015998B (en) * 2019-12-07 2021-08-06 东莞市金庆新材料有限公司 Plastic particle and processing system and processing technology thereof
CN111844585A (en) * 2020-07-21 2020-10-30 上海汽车地毯总厂有限公司 Thermoplastic material compression molding equipment and compounding method thereof

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Granted publication date: 20140305

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