CN205326236U - Internal heating screw extruder - Google Patents

Abstract

The utility model provides an internal heating screw extruder, which comprises a frame, be equipped with motor, gear box, extruding means, water course in the frame, the motor with the gear box is connected, the gear box with extruding means connects, extruding means includes that two are extruded screw rod, barrel, are located the outside barrel guard shield of barrel, the barrel includes a plurality of chunks, be equipped with 8 font through -holes in the chunk, the chunk connects gradually, 8 be equipped with the heating jacket in the font through -hole, it passes in proper order to extrude the screw rod heating jacket, this extruder include that the combination of a plurality of chunks forms the screw rod passageway to setting up the ceramic heater cover in the screw rod outside, and by heating piece and ceramic heater cover laminating contact, making a heating piece heating ceramic block, ceramic block heat conduction is even, guarantees that the material is heated evenly, has a heat conduction runner in that the chunk is embedded simultaneously, further guarantees temperature constant temperature, and the particle purity of this extruder production is good, and the surface smoothly.

Description

Heating spiral rod extruder in a kind of

Technical field

This utility model relates to plastic, rubber apparatus field, particularly relates to heating spiral rod extruder in one。

Background technology

Traditional plastic extruder generally all adopts single-screw stirring conveyor structure, its single screw rod is installed in machine barrel, motor feed zone screw rod rotates, the raw material being entered machine barrel by charging aperture is stirred and horizontal feed by screw rod at the rotating vane rotating its periphery, raw material in machine barrel is constantly heated by the heater being simultaneously installed on machine barrel periphery, the raw material after the heated softening extrusion dies extrusion molding by machine barrel discharging opening, its shortcoming is in that single screw rod is insufficient for the stirring of raw material, and it is uneven to be there is heating raw materials by the heater of machine barrel periphery in heating raw materials softening, the problem of heats difference, thus affecting speed and the quality of extrusion molding。In order to solve the defect of above-mentioned conventional plastic extruder, occur in that the plastic extruder adopting double-spiral stirring conveyer structure in the market, it is the screw rod being provided with two horizontal parallel layouts and synchronous axial system in machine barrel, and the helical blade hand of spiral of two screw rod peripheries, angle is all identical, although adopting double-helical screw mechanism that raw material can be made to be stirred fully, but drive two screw rod synchronous axial system to need to be connected two screw rods with powerful motor shaft by synchronizer, not only attachment structure is complicated for it, and the energy consumption of motor is bigger, production cost is high, also occurred in that later and set up conductive fluid at inside screw, whole screw rod is made to heat up by the intensification of conductive fluid, but heat the conduction oil bad solution of first sealing problem at inside screw, and owing to screw rod rotates, its non-uniform temperature, cannot realize material is fully heated。

Utility model content

For solving above-mentioned technical problem, the utility model proposes heating spiral rod extruder in one, including frame, described frame is provided with motor, gear-box, extrusion mechanism, water channel, described motor is connected with described gear-box, described gear-box is connected with described extrusion mechanism, described extrusion mechanism includes two extrusion screw rods, cylinder, it is positioned at the cylinder guard shield outside described cylinder, described cylinder includes some chunks, 8-shaped through hole it is provided with in described chunk, described chunk is sequentially connected with, it is provided with in described 8-shaped through hole and adds hot jacket, described extrusion screw rod adds hot jacket described in sequentially passing through；Some heat conduction runners it are provided with in the described chunk added outside hot jacket；Described water channel includes water inlet pipe, and described water inlet pipe is communicated with some isocons, described isocon and described heat conduction flow passage；Described chunk top is provided with jack, is provided with heat block in described jack。

Preferably, described in add hot jacket be 8-shaped, and be made of ceramic materials。

Preferably, described jack is square。

Preferably, described heat block includes position-arresting disk, and described position-arresting disk bottom is provided with heating head, is provided with some heater strips in described heating head, and described heating head is identical with described jack shape, bottom be the arc caved in and described in add shrink fit laminating。

Preferably, described heat conduction runner be surrounded on described in add outside hot jacket。

The interior heating spiral rod extruder that the utility model proposes has following beneficial effect: this extruder includes the combination of multiple chunk and forms screw channel, and outside screw rod, set up ceramic heat set, and contacted with ceramic heat set laminating by heat block, making heat block heating ceramic block, ceramic block heat conduction is uniform, it is ensured that material is heated evenly, it is embedded with heat conduction runner at chunk simultaneously, being further ensured that thermostatic, the particle purity that this extruder produces is good, smooth surface。

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below the accompanying drawing used required during embodiment is described is briefly described。

Fig. 1 is structural representation of the present utility model；

Fig. 2 is side structure schematic diagram of the present utility model；

Fig. 3 is the top view of cylinder of the present utility model；

Fig. 4 is the schematic diagram of heat block of the present utility model；

Fig. 5 is the schematic diagram of heat conduction runner of the present utility model；

Wherein, 1-frame, 2-motor, 3-gear-box, 4-cylinder guard shield, 5-chunk, 6-8 font through hole, 7-adds hot jacket, 8-heat conduction runner, 9-water inlet pipe, 10-isocon, 11-jack, 12-heat block, 13-position-arresting disk, and 14-heats head, 15-heater strip。

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described。

Such as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, the utility model proposes heating spiral rod extruder in one, including frame 1, described frame 1 is provided with motor 2, gear-box 3, extrusion mechanism, water channel, described motor 2 is connected with described gear-box 3, described gear-box 3 is connected with described extrusion mechanism, described extrusion mechanism includes two extrusion screw rods, cylinder, it is positioned at the cylinder guard shield 4 outside described cylinder, described cylinder includes some chunks 5, it is provided with 8-shaped through hole 6 in described chunk 5, described chunk 5 is sequentially connected with, chunk 5 is detachable, it is provided with in described 8-shaped through hole 6 and adds hot jacket 7, described extrusion screw rod adds hot jacket 7 described in sequentially passing through；Described cylinder bottom is additionally provided with bearing part, by whole barrel support and frame 1；It is provided with some heat conduction runners 8 in the described chunk 5 added outside hot jacket 7；Described water channel includes water inlet pipe 9, and described water inlet pipe 9 is communicated with some isocons 10, and described isocon 10 connects with described heat conduction runner 8；Described chunk 5 top is provided with jack 11, is provided with heat block 12 in described jack 11, and heat block 12 contacts with adding hot jacket 7, temperature to realize heat block 12 rises, and adds hot jacket 7 temperature and rises, increases temperature of charge, heat block 12 can pull out from jack 11 or pick and place, it is simple to repair。

Preferably, described in add hot jacket 7 for 8-shaped, and be made of ceramic materials, the shape adding hot jacket 7 is identical with 8-shaped through hole 6 shape, and is fitted in through-hole wall, plays heating and thermal insulation effect, ceramic material to add hot jacket 7 heat conduction uniform。

Preferably, described jack 11 is square, described heat block 12 includes position-arresting disk 13, described position-arresting disk 13 bottom is provided with heating 14, some heater strips 15 it are provided with in described heating 14, described heating 14 is identical with described jack 11 shape, bottom be the arc caved in and described in add hot jacket 7 surface laminating, square heat conduction head inserts along jack 11, will not rotate, and top is provided with position-arresting disk 13, it is easy to extract heat block 12, and bottom is provided with the arc caved in, and fits tightly with adding hot jacket 7, ensure that heater strip 15 and add hot jacket 7 and fit, heats is good。

Preferably, described heat conduction runner 8 be surrounded on described in add hot jacket 7 outside, it is outside that heat conduction runner 8 adds hot jacket 7 as Fig. 5 is arranged in, to realize adding the outside constant temperature of hot jacket 7, it is prevented that heat loss。

The multiple amendment of embodiment be will be apparent from for those skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments。Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty。

Claims (5)

1. heating spiral rod extruder in a kind, it is characterized in that, including frame, described frame is provided with motor, gear-box, extrusion mechanism, water channel, described motor is connected with described gear-box, described gear-box is connected with described extrusion mechanism, described extrusion mechanism includes two extrusion screw rods, cylinder, is positioned at the cylinder guard shield outside described cylinder, described cylinder includes some chunks, 8-shaped through hole it is provided with in described chunk, described chunk is sequentially connected with, and is provided with and adds hot jacket in described 8-shaped through hole, described extrusion screw rod sequentially pass through described in add hot jacket；Some heat conduction runners it are provided with in the described chunk added outside hot jacket；Described water channel includes water inlet pipe, and described water inlet pipe is communicated with some isocons, described isocon and described heat conduction flow passage；Described chunk top is provided with jack, is provided with heat block in described jack。

2. interior heating spiral rod extruder according to claim 1, it is characterised in that described in add hot jacket be 8-shaped, and be made of ceramic materials。

3. interior heating spiral rod extruder according to claim 1, it is characterised in that described jack is square。

4. interior heating spiral rod extruder according to claim 3, it is characterized in that, described heat block includes position-arresting disk, described position-arresting disk bottom is provided with heating head, it is provided with some heater strips in described heating head, described heating head is identical with described jack shape, bottom be the arc caved in and described in add shrink fit laminating。

5. interior heating spiral rod extruder according to claim 1, it is characterised in that described heat conduction runner be surrounded on described in add outside hot jacket。