CN210999711U

CN210999711U - Novel waste plastic melting injection molding machine

Info

Publication number: CN210999711U
Application number: CN201921487106.3U
Authority: CN
Inventors: 黄兴元; 王涵
Original assignee: Lattice Power Jiangxi Corp
Current assignee: Lattice Power Jiangxi Corp
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-07-14
Anticipated expiration: 2029-09-09

Abstract

The utility model relates to a novel waste plastic melting injection molding machine, the hopper is equipped with to injection molding machine melting room top, and inside wind passes through the heating pipe heating, by fan drive circulation, the rabbling mechanism below is the screen cloth, and the awl is connected to the screen cloth below and connects the fill, and the awl connects to fight and has reinforced helical blade in, and the awl connects the below to connect and connects the barrel, has the screw rod in the barrel, and the barrel is connected with the storage vat, and the other cylinder that has of storage vat, storage vat below links to each other with the feed cylinder, and is equipped with the ooff valve between the feed cylinder, has the piston in the feed cylinder, and there is the nozzle ooff valve in the. The utility model discloses structural design is compact, adopts hot-blast direct melting waste plastic, need not broken and wash the waste plastic operation, reduces the processing step, directly moulds plastics the melting material to the finished product at last, saves the extrusion cooling granulation remelting process of moulding plastics, and the energy can be saved improves work efficiency.

Description

Novel waste plastic melting injection molding machine

Technical Field

The utility model belongs to the technical field of the injection molding machine technique and specifically relates to a novel waste plastic melting injection molding machine.

Background

The application range of the plastic is increasingly wide, a large amount of plastic replaces metal, wood, paper and the like, along with the wide application of the plastic, a large amount of waste plastic appears, and the waste plastic is difficult to degrade and difficult to treat, so that the environmental pollution is caused, and on the other hand, the waste of resources is caused. The recycling and resource development of the waste plastics are deep knowledge of the environment and resources, and a survival mode for reducing the environmental pollution and resource waste of the waste plastics.

The most common mode for recycling waste plastics in China is recycling granulation, the traditional granulation process is to crush and clean the recycled waste plastics and extrude the waste plastics by a screw rod for granulation, and crushing noise is large, dust is much, and sewage is generated to cause secondary pollution during working.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at overcoming the not enough of prior art, the utility model provides a novel waste plastic melting injection molding machine, concrete mode adopts hot-blast direct melting waste plastic for this injection molding machine in the technology, saves crushing and cleaning process on the traditional handicraft, reduces the operating procedure, avoids polluting, directly moulds plastics the melt to the finished product at last, saves extrusion cooling granulation remelting process of moulding plastics, and the energy can be saved improves work efficiency.

(II) technical scheme

The technical scheme of the utility model: the utility model provides a novel waste plastic melting injection molding machine, the injection molding machine structure includes hopper, case lid, heated air circulation box, melting room, fan, heating pipe, rabbling mechanism, screen cloth, awl meet fill, reinforced helical blade, barrel, screw rod, storage vat, cylinder, ooff valve, piston, feed cylinder, injection mold, nozzle ooff valve and frame.

The injection molding machine is characterized in that a box cover is arranged above the injection molding machine, a welding hopper is fixedly arranged above the box cover, the outer wall of a melting chamber is connected with a hot air circulation box body, a stirring mechanism is arranged in the hot air circulation box body, a cone connecting hopper is connected below the stirring mechanism, the stirring mechanism is coaxially connected with a feeding helical blade in the cone connecting hopper, a machine barrel is connected below the cone connecting hopper, a screw rod is arranged in the machine barrel and connected with a driving motor, the machine barrel is connected with a material barrel, a piston is arranged in the material barrel.

The hot air circulation box body comprises a hot air circulation box body shell, a fan and heating pipes, wherein the fan is symmetrically arranged in the circulation box body shell, the heating pipes are arranged below the fan, and the heating pipes are electrically heated and are connected with an external power supply in series to form a heating loop. Two fans are symmetrically arranged to recycle hot air in the melting chamber, and heat is supplemented through the heating pipe, so that materials can be effectively heated and melted, the working efficiency is increased, and energy is effectively saved.

The injection molding machine injection molding system comprises a screw, a machine barrel, a storage cylinder, a switch valve, a piston, a material barrel, an injection mold and a nozzle switch valve.

The injection molding machine is characterized in that a screw is arranged in a machine barrel of the injection molding machine, the machine barrel is connected with a storage cylinder, an air cylinder is arranged beside the storage cylinder, the lower part of the storage cylinder is connected with a material barrel, a switch valve is arranged between the storage cylinder and the material barrel, a piston is arranged in the material barrel, a nozzle switch valve is arranged at the outlet of the material barrel, and the outlet of the material barrel is connected with.

Waste plastics enter a melting chamber from a hopper, are contacted with hot air and are heated and melted, a stirring mechanism is used for stirring materials to be heated and melted, molten plastic melt enters a machine barrel through a tapered hopper, is extruded and conveyed to a storage tank through a screw rod, is stored to a certain stage, is conveyed to a material barrel by opening a switch valve, is closed, and is injected into a mold by a piston through a nozzle switch valve.

The cylinder beside the storage cylinder can push a piston in the cylinder to move to form air pressure when the switch valve is closed, and the air pressure is released when the switch valve is opened to feed so as to push the melt to smoothly enter the charging barrel. The switching valve controls feeding in the charging barrel and is controllable in working.

The heating resistor device and the heat insulation device are attached to the outer parts of the machine barrel and the material barrel, so that the temperature of the melt during conveying is guaranteed, and solidification is prevented.

(III) advantageous effects

The utility model has the advantages that: the design structure is compact, waste plastics are directly melted by hot air, the melted plastic melt is extruded and conveyed into the charging barrel through the screw rod and is injected into the injection mold through the piston, and the recycled plastics do not need to be crushed. Therefore, noise and dust are prevented from being generated, and the working environment is improved; the hot air is recycled, no waste water and waste gas are discharged, and the environment is friendly. Meanwhile, the plastic melt is directly injected to a finished product, so that the process of extruding, cooling, granulating, re-melting and injection molding is omitted, the energy is saved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of the general structure of a waste plastic melt injection molding machine according to the present invention;

in the figure, 1-1 is a stirring transmission mechanism, 1-2 is a hopper, 1-3 is a melting chamber, 1-4 is a stirring mechanism, 1-5 is a fan, 1-6 is a screen, 1-7 is a heating pipe, 2-1 is a feeding spiral blade, 2-2 is a cone receiving hopper, 3-1 is a cylinder, 3-2 is a storage tank, 3-3 is a switch valve, 3-4 is an injection mold, 3-5 is a nozzle switch valve, 3-6 is a plastic melt, 3-7 is a charging barrel, 3-8 is a barrel, 3-9 is a screw, 3-10 is a piston, and 3-11 is a frame;

FIGS. 2 and 3 are schematic diagrams showing the general structure of another simplified waste plastic melting and injection molding machine with the accumulator removed;

in the figure, 4-1 is a machine barrel, 4-2 is a screw rod, 4-3 is an injection mold, 4-4 is a material barrel, 4-5 is a piston, 4-6 is a plastic melt, and 4-7 is a nozzle switch valve;

FIG. 4 is a schematic view of the general construction of another simplified waste plastic melting injection molding machine with the barrel screw removed;

5-1 is a mould, 5-2 is a nozzle switch valve, 5-3 is a plastic melt, 5-4 is a charging barrel, and 5-5 is a piston.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The general structure schematic diagram of the waste plastic melting injection molding machine is shown in figure 1, and the structure of the waste plastic melting injection molding machine comprises a stirring transmission mechanism 1-1, a hopper 1-2 is arranged above a melting chamber 1-3, internal air is heated through a heating pipe 1-7 and is driven to circulate by a fan 1-5, a screen mesh 1-6 is arranged below a stirring mechanism 1-4, a cone receiving hopper 2-2 is connected below the screen mesh, a feeding spiral blade 2-1 is arranged in the cone receiving hopper, a machine barrel 3-8 is connected with a storage cylinder 3-2, a screw 3-9 is arranged in the machine barrel 3-8, a cylinder 3-1 is arranged beside the storage cylinder 3-2, a plastic melt 3-6 is arranged in the material barrel 3-7, and the plastic melt is injected to an injection mold 3-4 through a nozzle switch valve 3-5 through a piston 3-.

The working principle of the invention is as follows: waste plastics are put into a hopper 1-2, the materials pass through a melting chamber 1-3, the materials are stirred by a stirring mechanism 1-4 to be heated uniformly, the melted materials enter a machine barrel 3-8 through a screen 1-6 and a cone-shaped hopper 2-2 and enter a storage tank 3-2 under the extrusion of a screw 3-9, a switch valve 3-3 is closed to store the materials, the switch valve 3-3 is opened to enter a material barrel 3-7 after the materials are stored, then the switch valve 3-3 is closed, and the melted materials are injected into a mold 3-4 by a piston 3-10 to generate a product.

Another simplified waste plastic melting injection molding machine without a storage tank is shown in the general structural schematic diagrams of FIG. 2 and FIG. 3, the lower structure of the machine is that a screw 4-2 is arranged in a machine barrel 4-1, the machine barrel 4-1 is connected with a material barrel 4-4, a piston 4-5 is arranged in the material barrel, a nozzle switch valve 4-7 is arranged at an outlet of the material barrel 4-4, and the outlet is connected with an injection mold 4-3. The molten material 4-6 is extruded into the material barrel 4-4 through the screw 4-2, is subjected to injection molding by the piston 4-5, and is delivered to the injection mold 4-3 through the nozzle switch valve 4-7 to generate a product.

Another simplified schematic diagram of the general structure of a waste plastic melting injection molding machine without a barrel screw is shown in fig. 4: the lower cone receiving hopper is connected with a material cylinder 5-4, a piston 5-5 is arranged in the material cylinder 5-4, and a nozzle switch valve 5-2 is arranged at an outlet of the material cylinder 5-4 and is connected with an injection mold 5-1. And the molten material 5-3 enters the charging barrel 5-4 through the feeding spiral blade, is subjected to injection molding through the piston 5-5, and is injected to the injection mold 5-1 through the nozzle switch valve 5-2 to generate a product.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel waste plastic melting injection molding machine comprises a hopper, a box cover, a hot air circulation box body, a melting chamber, a fan, a heating pipe and a stirring mechanism; the method is characterized in that: the injection molding machine is characterized in that a box cover is arranged above the injection molding machine, a welding hopper is fixedly arranged above the box cover, the outer wall of a melting chamber is connected with a hot air circulation box body, fans are symmetrically arranged in a shell of the circulation box body, heating pipes are arranged below the fans, two fans are symmetrically arranged to recycle hot air in the melting chamber, a stirring mechanism is arranged in the circulation box body and connected with a stirring transmission mechanism at the top of the injection molding machine, a cone receiving hopper is connected below the circulation box body, the stirring mechanism is coaxially connected with a feeding spiral blade in the cone receiving hopper, a machine barrel is connected below the cone receiving hopper, a screw rod is arranged in the machine barrel and connected with a storage cylinder, an air cylinder is arranged beside the storage cylinder, the lower portion of the storage cylinder is connected with a material barrel, a switch valve is arranged between the storage cylinder and.

2. The novel waste plastic melting injection molding machine according to claim 1, characterized in that: the outer parts of the machine barrel and the charging barrel are pasted with a heating resistance device and a heat preservation device.

3. The novel waste plastic melting injection molding machine according to claim 1, characterized in that: the heating pipe adopts an electric heating pipe and is connected with an external power supply in series to form a heating loop.