CN205735927U - A kind of energy-efficient plastic cement mixing extrusion device - Google Patents

Abstract

This utility model describes a kind of energy-efficient plastic cement mixing extrusion device, and including hopper, extrusion equipment and die head, extrusion equipment one end connects hopper, and the extrusion equipment other end is connected with die head；Described extrusion equipment includes barrel and screw rod, and the rear end sidewall of barrel is provided with charge door, and hopper communicates with charge door and is connected；The inner chamber of described barrel is conical cavity, and screw rod is the conical screw that the conical cavity with barrel matches；Described die head includes shell, the electromagnetic heating coil being wrapped on shell；Offering extrusion cavities on case nose face, be provided with the fixing pipe communicated therewith at extrusion cavities, the outside of fixing pipe is provided with defecator, and one end of defecator is fixed in shell inner cavity；Several hand-holes are offered on the outer circumference surface of fixing pipe.The taper list screw rod that this utility model uses is compared with existing twin screw, and production cost is low, and simple in construction is wear-resistant, and service life is long.

Description

A kind of energy-efficient plastic cement mixing extrusion device

Technical field

This utility model relates to a kind of plastic cement extrusion device, particularly relates to a kind of energy-efficient plastic cement mixing extrusion device.

Background technology

Plasthetics is modal in daily life, as in household electrical appliance, instrument and meter, construction equipment, automobile work The various fields such as industry, haberdashery and hardware, the communication apparatus and medical apparatus and instruments, the use ratio of plasthetics the most rapidly increases.This Mainly having following reason: the first, plastic cement is easily worked compared with metal material, production efficiency is high, saves the energy, insulating properties Can be good, relative density is about 1.0-1.4, lighter half than aluminum, lighter by 3/4 than steel, has prominent wear-resisting, decay resistance；The second, Daily with in industrial products, a plasthetics reasonable in design tends to replace multiple conventional metal frames part, adds The distinctive character of utilizing works plastics, with the extremely complex shape of one-shot forming, and can also be designed to clamping structure, thus Reduce the various securing members of assembling in product, reduce metal material consumption and processing and assembly work.

Obtain the process of injection-molded item, referred to as injection mo(u)lding or injection moulding, or referred to as injection simply.Note Molded basic process is: granular macromolecular material (hereinafter referred to as plastics) is through the extruding of screw in injection molding machine and adds Heat, becomes the melt that can flow of molten condition.Under the promotion of screw rod, plastic melt is by injection molding machine nozzle, mould Sprue, sub-runner and cast gate enter mold cavity, mold the process with definite shape and gauge articles.The structure of injecting glue It is output to meet the plastic that user requires, wants to obtain qualified goods, it is necessary to have manufacture reasonable in design superior Mould and the advanced injection-moulding device supporting with this mould and rational processing technique.For mixing, melt, carrying formula material, Double screw extruder is the key equipment that plastic material produces, and the machine barrel of twin screw plastic extruder is made up of cylinder and screw rod, Screw rod is two, is separately positioned in machine barrel cylinder, and screw rod is made up of the spiral shell rib on bar core and bar core, the spiral shell rib phase of two screw rods Engagement mutually, but there is the defect that investment is big, wear intensity is high, service life is short in existing double screw extruder.

Utility model content

The defect that investment is big, wear intensity is high, service life is short is there is for solving existing plastic extruder.This utility model A kind of energy-efficient plastic cement mixing extrusion device of special offer.

The technical solution of the utility model is as follows:

A kind of energy-efficient plastic cement mixing extrusion device, including hopper, extrusion equipment and die head, extrusion equipment one end is even Receiving hopper, the extrusion equipment other end is connected with die head；Described extrusion equipment includes barrel and screw rod, and the rear end sidewall of barrel sets Being equipped with charge door, hopper communicates with charge door and is connected；The inner chamber of described barrel is conical cavity, and screw rod is the conical cavity phase with barrel The conical screw coordinated；Described die head includes shell, the electromagnetic heating coil being wrapped on shell；Offer crowded on case nose face Portalling, shell is provided with the fixing pipe connected with extrusion cavities, and the outside of fixing pipe is provided with defecator, one end of defecator It is fixed in shell inner cavity；Several hand-holes are offered on the outer circumference surface of fixing pipe.Using plastic cement mixing extrusion device Time, plastic material is sent into barrel from hopper, screw rod starts to rotate under the drive of motor, plastic material screw thread on screw rod Under groove promotes, it is compacted between the inwall and the outer surface of screw rod of barrel, mixes, finally extrude through die head.This programme uses Taper list screw rod is compared with existing twin screw, and production cost is low, and simple in construction is wear-resistant, and service life is long.Plastic cement is through extruding After equipment enters die head, under the heating of electromagnetic heating coil, start fusing, after defecator impurity screening, entered by hand-hole Enter to fix in pipe, finally discharge from extrusion cavities, it is ensured that molding effect.

As preferred structure of the present utility model, described defecator is tubular drainage screen.Existing plastic extruder mould Head, is the drainage screen therein equipped with lamellar, after adding heat fusing, after the filter screen of lamellar is by contaminant filter more extruded Hole is discharged, and the filter screen replacement number of times of this lamellar is frequent, it is generally required to two hours change once, not only changes trouble, also Have impact on work efficiency, after additionally needing die head cooling, just can be replaced, also need to after replacing reheat, be greatly increased Energy consumption.The filter that the defecator of this programme employing tubular is more conventional substantially increases filter area, decreases filtration The replacing construction of device, improves filter efficiency, has saved energy consumption.

Further, the heat-insulation layer being arranged on the parcel electromagnetic heating coil outside electromagnetic heating coil is also included.Heat-insulation layer Arranging makes the outer surface of die head not leak outside, and the heat energy of electromagnetic heating coil will not distribute waste, improves the heat of electromagnetic heating coil Effect utilization rate.

For this utility model is better achieved, the end of described defecator is provided with connection lid, the end of described fixing pipe End is provided with lobe, connects lid and is threaded connection with lobe.Connect lid to be threaded connection with lobe so that filter Convenient disassembly between device and fixing pipe, it is simple to change defecator, saves replacing construction.

Further, described heat-insulation layer is tapetum fibrosum.Heat-insulation layer in this programme uses tapetum fibrosum, with other material phases Ratio, better heat preservation.

Further, the threaded inner diameter of described barrel is identical with screw flight overall diameter size so that plastic material Big compression ratio, melt index can be suitable for relatively by extruding more greatly and uniformly dynamics between barrel inwall and screw rod outer surface The mixing extrusion processing of low multicomponent plastic material.

In sum, Advantageous Effects of the present utility model is as follows:

1, the taper list screw rod that this programme uses is compared with existing twin screw, and production cost is low, and simple in construction is wear-resistant, Service life is long.

2, the filter that the defecator of employing tubular is more conventional substantially increases filter area, decreases defecator Replacing construction, improve filter efficiency, saved energy consumption.

3, the setting of heat-insulation layer makes the outer surface of die head not leak outside, and the heat energy of electromagnetic heating coil will not distribute waste, carries The high heat effect utilization rate of electromagnetic heating coil.

4, connect lid to be threaded connection with lobe so that convenient disassembly between defecator and fixing pipe, it is simple to change Defecator, saves replacing construction.

5, heat-insulation layer uses tapetum fibrosum, compared with other materials, better heat preservation.

6, the threaded inner diameter of described barrel is identical with screw flight overall diameter size so that plastic material is in barrel Can be by extruding more greatly and uniformly dynamics between wall and screw rod outer surface, be suitable for that big compression ratio, melt index are relatively low many groups Divide the mixing extrusion processing of plastic material.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of energy-efficient plastic cement mixing extrusion device；

Fig. 2 is the structural representation of conical screw；

Fig. 3 is the structural representation of die head；

Wherein the parts title corresponding to reference is as follows:

1-hopper, 2-die head, 3-barrel, 4-screw rod, 5-charge door, 6-shell, 7-electromagnetic heating coil, 8-extrusion cavities, 9- Fixing pipe, 10-defecator, 11-hand-hole, 12-heat-insulation layer, 13-connects lid, 14-lobe.

Detailed description of the invention

Below in conjunction with the accompanying drawings and this utility model is described in detail by specific embodiment, but of the present utility model Embodiment is not limited to this.

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of energy-efficient plastic cement mixing extrusion device, including hopper 1, extrusion equipment and Die head 2, extrusion equipment one end connects hopper 1, and the extrusion equipment other end is connected with die head 2；Described extrusion equipment includes barrel 3 He Screw rod 4, the rear end sidewall of barrel 3 is provided with charge door 5, and hopper 1 communicates with charge door 5 and is connected；The inner chamber of described barrel 3 is Conical cavity, screw rod 4 is the conical screw that the conical cavity with barrel 3 matches；Described die head 2 includes shell 6, is wrapped in shell 6 On electromagnetic heating coil 7；Offering extrusion cavities 8 on shell 6 front end face, shell 6 is provided with the fixing pipe 9 connected with extrusion cavities 8, The outside of fixing pipe 9 is provided with defecator 10, and one end of defecator 10 is fixed in shell 6 inner chamber；The cylindrical of fixing pipe 9 Several hand-holes 11 are offered on side face.When using plastic cement mixing extrusion device, plastic material is sent into barrel from hopper 1 3, screw rod 4 starts to rotate under the drive of motor, under plastic material thread groove on screw rod 4 promotes, barrel 3 inwall with It is compacted between the outer surface of screw rod 4, mixes, finally extrude through die head 2.The taper list screw rod that the present embodiment uses is double with existing Screw rod is compared, and production cost is low, and simple in construction is wear-resistant, and service life is long.Plastic cement is after extrusion equipment enters die head 2, at electricity Start fusing under the heating of magnetic heating collar 7, after defecator 10 impurity screening, enter in fixing pipe 9 by hand-hole 11, After discharge from extrusion cavities 8, it is ensured that molding effect.

For this utility model is better achieved, described defecator 10 is tubular drainage screen.Existing plastic extruder mould Head, is the drainage screen therein equipped with lamellar, after adding heat fusing, after the filter screen of lamellar is by contaminant filter more extruded Hole is discharged, and the filter screen replacement number of times of this lamellar is frequent, it is generally required to two hours change once, not only changes trouble, also Have impact on work efficiency, after additionally needing die head cooling, just can be replaced, also need to after replacing reheat, be greatly increased Energy consumption.The defecator 10 that the present embodiment uses is tubular drainage screen, and more conventional filter substantially increases filtering surface Long-pending, decrease the replacing construction of defecator 10, improve filter efficiency, save energy consumption.

Further, the heat-insulation layer 12 being arranged on the parcel electromagnetic heating coil 7 outside electromagnetic heating coil 7 is also included.Insulation The setting of layer 12 makes the outer surface of die head 2 not leak outside, and the heat energy of electromagnetic heating coil 7 will not distribute waste, improves electromagnetism and adds The heat effect utilization rate of gas ket 7.

Further, the end of described defecator 10 is provided with connection lid 13, and the end of described fixing pipe 9 is provided with convex Play portion 14, connect lid 13 and be threaded connection with lobe 14.Connect lid 13 to be threaded connection with lobe 14 so that filter Convenient disassembly between device 10 and fixing pipe 9, it is simple to change defecator 10, saves replacing construction.

For this utility model is better achieved, described heat-insulation layer 12 is tapetum fibrosum.Heat-insulation layer 12 in the present embodiment uses Tapetum fibrosum, compared with other materials, better heat preservation.

Preferably, the threaded inner diameter of described barrel 3 and the outside diameter of thread size of screw rod 4 are identical.

Embodiment 1

A kind of energy-efficient plastic cement mixing extrusion device, including hopper 1, extrusion equipment and die head 2, extrusion equipment one end Connecting hopper 1, the extrusion equipment other end is connected with die head 2；Described extrusion equipment includes barrel 3 and screw rod 4, the rear end of barrel 3 Being provided with charge door 5 on sidewall, hopper 1 communicates with charge door 5 and is connected；The inner chamber of described barrel 3 is conical cavity, screw rod 4 be with The conical screw that the conical cavity of barrel 3 matches；The electromagnetic heating coil 7 that described die head 2 includes shell 6, is wrapped on shell 6； Offering extrusion cavities 8 on shell 6 front end face, shell 6 is provided with the fixing pipe 9 connected with extrusion cavities 8, and the outside of fixing pipe 9 sets Being equipped with defecator 10, one end of defecator 10 is fixed in shell 6 inner chamber；If offering on the outer circumference surface of fixing pipe 9 Dry hand-hole 11.

Embodiment 2

The present embodiment is on the basis of embodiment 1, and described defecator 10 is tubular drainage screen.

Embodiment 3

The present embodiment, on the basis of embodiment 1 or embodiment 2, also includes being arranged on the parcel outside electromagnetic heating coil 7 The heat-insulation layer 12 of electromagnetic heating coil 7.

Embodiment 4

The present embodiment is on the basis of embodiment 1 or embodiment 2 or embodiment 3, and the end of described defecator 10 is arranged Having connection lid 13, the end of described fixing pipe 9 is provided with lobe 14, connects lid 13 and is threaded connection with lobe 14.

Embodiment 5

The present embodiment is on the basis of embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4, and described heat-insulation layer 12 is fine Dimension blanket.

Embodiment 6

The present embodiment on the basis of embodiment 1 or embodiment 2 or embodiment 3 or embodiment 4 or embodiment 5, described spiral shell The threaded inner diameter of cylinder 3 is identical with the outside diameter of thread size of screw rod 4 so that plastic material is in barrel 3 inwall and screw rod 4 appearance Can be subject to extrude more greatly and uniformly dynamics between face, the multicomponent plastic material that applicable big compression ratio, melt index are relatively low Mixing extrusion processing.

As it has been described above, this utility model can preferably be realized.

Claims (6)

1. an energy-efficient plastic cement mixing extrusion device, it is characterised in that:

Including hopper (1), extrusion equipment and die head (2), extrusion equipment one end connects hopper (1), the extrusion equipment other end with Die head (2) connects；Described extrusion equipment includes barrel (3) and screw rod (4), and the rear end sidewall of barrel (3) is provided with charge door (5), hopper (1) communicates with charge door (5) and is connected；The inner chamber of described barrel (3) is conical cavity, and screw rod (4) is and barrel (3) The conical screw that conical cavity matches；The electromagnetic heating coil (7) that described die head (2) includes shell (6), is wrapped on shell (6)； Offering extrusion cavities (8) on shell (6) front end face, shell (6) is provided with the fixing pipe (9) connected with extrusion cavities (8), fixing pipe (9) outside is provided with defecator (10), and one end of defecator (10) is fixed in shell (6) inner chamber；Fixing pipe (9) Several hand-holes (11) are offered on outer circumference surface.

One the most according to claim 1 energy-efficient plastic cement mixing extrusion device, it is characterised in that:

Described defecator (10) is tubular drainage screen.

One the most according to claim 1 energy-efficient plastic cement mixing extrusion device, it is characterised in that:

Also include the heat-insulation layer (12) being arranged on the parcel electromagnetic heating coil (7) in electromagnetic heating coil (7) outside.

One the most according to claim 1 energy-efficient plastic cement mixing extrusion device, it is characterised in that:

The end of described defecator (10) is provided with connection lid (13), and the end of described fixing pipe (9) is provided with lobe (14), connect lid (13) to be threaded connection with lobe (14).

One the most according to claim 3 energy-efficient plastic cement mixing extrusion device, it is characterised in that:

Described heat-insulation layer (12) is tapetum fibrosum.

One the most according to claim 1 energy-efficient plastic cement mixing extrusion device, it is characterised in that:

The threaded inner diameter of described barrel (3) is identical with the outside diameter of thread size of screw rod (4).