CN209336059U - A kind of PVC pipe extruder - Google Patents

Abstract

The utility model discloses a kind of PVC pipe extruders, drive extrusion screw rod pipe by motor driven and pass through extrusion die mouth extrusion molding；It can make extrusion screw rod pipe self-heating equipped with electromagnetism attemperator by extrusion screw rod pipe outer sheath, heat conduction loss and heat is greatly reduced to scatter and disappear into air, improve the thermal efficiency, extrusion die mouth is housed on the extrusion screw rod pipe discharge end, extrusion die mouth outer layer is fixedly installed with extrusion die mouth housing, and cooled down in advance before sizing by cooling muzzle tubing, enable that tubing passes through stretching module and stifled disconnected, raising continuous production and stability occur for portion.

Description

A kind of PVC pipe extruder

Technical field

The utility model relates to tube extruding equipment fields, more particularly, to a kind of PVC pipe extruder.

Background technique

Currently, PVC pipe uses extrusion technique, PVC high molecular material passes through mold after extruder barrel plasticizing Extrusion tubing is carried out, in the actual production process, tubing is easy to appear compactness after squeezing out out of extruder poor, surface It is coarse, easily there is sharkskin phenomenon, while preheating time is long, backheat is slow, causes to be easy to appear production conjunction in production process Lattice rate is low, the production time is long, low strength, the problem of the comprehensive performance difference of product.

Utility model content

For overcome the deficiencies in the prior art, the utility model provides a kind of PVC pipe extruder.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of PVC pipe extruder, it is described including pedestal, the extrusion screw rod being fixed on the base by screw bolt support Pipe, the storage barrel for supplying PVC raw material, the motor for driving extrusion screw rod pipe；The extrusion screw rod pipe outer sheath is equipped with Electromagnetism attemperator；Extrusion die mouth is housed, extrusion die mouth outer layer is fixedly installed with extrusion die on the extrusion screw rod pipe discharge end Mouth housing, equipped with cooling muzzle on the discharge port of the extrusion die mouth, equipped with the drawing positioned at its discharge port on the cooling muzzle Stretch module.

As a preference, the upper end of the extrusion die mouth housing is fixedly installed with plug, the right side of the extrusion die mouth End is fixedly installed with connector, and the right end of the connector is connected with bracket is shunted, the right end and electromagnetism for shunting bracket Attemperator is connected.

As a preference, the lower end for shunting bracket is connect by rotating block with shaft coupling, the shaft coupling The front of device is also fixedly installed with shunt catheter.

As a preference, the electromagnetism attemperator is wrapped in electromagnetic coil on extrusion screw rod pipe, is located at electromagnetism Insulating outside coil, the insulation composite membrane being wrapped in outside insulating, the outside of the electromagnetic coil is covered with anti- Sheath, the electromagnetic coil are electrically connected with the electromagnetic actuator device being located on pedestal.

As a preference, the cooling muzzle includes metal pipe sleeve and the ring flange for being connected to metal pipe sleeve one end, For the ring flange loaded on extrusion die mouth, arrival end of the metal pipe sleeve in one end and stretching module far from ring flange is close Contact, the metal pipe sleeve is interior to be equipped with circulating water channel, is equipped on the outer tube wall of the metal pipe sleeve and circulating water channel connects Logical inlet and outlet.

As a preference, the stretching module is located at cooling muzzle front end and in the form of annular discs, the stretching module with Pass through fixed screw rod connection between cooling muzzle.

The beneficial effects of the utility model are: this PVC pipe extruder drives extrusion screw rod Guan Bingtong by motor driven Cross extrusion die mouth extrusion molding；Extrusion screw rod pipe itself can be made to send out equipped with electromagnetism attemperator by extrusion screw rod pipe outer sheath Heat greatly reduces heat conduction loss and heat and scatters and disappears into air, improve the thermal efficiency, on the extrusion screw rod pipe discharge end Equipped with extrusion die mouth, extrusion die mouth outer layer is fixedly installed with extrusion die mouth housing, and by cooling muzzle tubing in sizing premise Before cooled down, enable that tubing passes through stretching module and continuous production and stability improve there is a phenomenon where stifled disconnected in portion.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the schematic side view of the utility model；

Fig. 2 is the part section enlarged diagram of the utility model；

Fig. 3 is the electromagnetism attemperator schematic diagram of the utility model.

Specific embodiment

- Fig. 3 referring to Fig.1, a kind of PVC pipe extruder, including pedestal 1, be fixed on pedestal 1 by screw bolt support 2 Extrusion screw rod pipe 3, the storage barrel 4 for supplying PVC raw material, the motor 5 for driving extrusion screw rod pipe 3, extrusion screw rod pipe 3 After the driving of motor 5, the extrusion die mouth 7 of the PVC feedstock transportation in storage barrel 4 to discharge end is subjected to extrusion molding；To guarantee PVC raw material after heating can be squeezed out normally out of extrusion screw rod pipe 3, and electromagnetism attemperator is housed in 3 outer sheath of extrusion screw rod pipe 6, make 3 self-heating of extrusion screw rod pipe, avoiding reduces heat conduction loss and heat scatters and disappears into air, the thermal efficiency is improved, Avoiding traditional electric-heating-wire-heating leads to the rising of environment temperature simultaneously；Extrusion die mouth is fixedly installed in 7 outer layer of extrusion die mouth Housing 8 makes tubing from extrusion die mouth 7 to stretching module equipped with cooling muzzle 9 on the discharge port of the cooling extruded mould mouth 7 Cooled down in advance when 10 progress sizing, be less prone in production because tubing it is cooling it is bad caused by excessively expand, causing cannot Calibration sleeve is passed through there is a phenomenon where stifled disconnected, the probability that breaking occurs in tubing declines to a great extent, and ensure that the continuity of production And stability.

The upper end of above-mentioned extrusion die mouth housing 8 is fixedly installed with plug 81, and the right end of extrusion die mouth 7 is fixedly installed with connection Device 82, the right end of connector 82 are connected with bracket 83 is shunted, and the right end for shunting bracket 83 is connected with electromagnetism attemperator 6 It connects, the lower end for shunting bracket 83 is connect by rotating block 84 with shaft coupling 85, and the front of shaft coupling 85 is also fixedly installed with shunting Conduit 86；By the way that spreader bracket is arranged, plug 81 is surrounded using extrusion die mouth housing 8, so that material is available well Water conservancy diversion operation can further improve the plasticizing capacity of material and eliminate the weld mark generated in current divider bracket, the company of being additionally provided with Device 82 is connect, extrusion die mouth 7 can be linked together with heater, drives shunt catheter 86 to carry out flow direction control using shaft coupling 85 System, enhances the intensity of tubing, and when material passes through, material is compressed, and tubing compactness is increased, and plasticizing capacity is enhanced, The bonding wire that current divider bracket generates is eliminated, and tubing intensity is improved.

Above-mentioned electromagnetism attemperator 6 be wrapped in electromagnetic coil 63 on extrusion screw rod pipe 3, outside electromagnetic coil 63 every Hot insulating layer 61, the insulation composite membrane 62 being wrapped in outside insulating 61, the outside of electromagnetic coil 63 are covered with protective layer 64, Electromagnetic coil 63 is electrically connected with the electromagnetic actuator device 65 being located on pedestal 1；By electromagnetic heating, the extrusion screw rod of metal can be made 3 self-heating of pipe, and 3 outside of extrusion screw rod pipe is wrapped in heat-insulating heat-preserving material, greatly reduces heat conduction loss and heat It measures and scatters and disappears into air, improve the thermal efficiency, avoid the rising of environment temperature.

Above-mentioned cooling muzzle 9 includes metal pipe sleeve 91 and the ring flange 92 for being connected to 91 one end of metal pipe sleeve, ring flange 92 Loaded on extrusion die mouth 7, arrival end of the metal pipe sleeve 91 in one end and stretching module 10 far from ring flange 92 is in close contact, gold Belong to and be equipped with circulating water channel 93 in pipe sleeve 91, is equipped on the outer tube wall of the metal pipe sleeve 91 and is connected to circulating water channel 93 Water inlet 94 and water outlet 95, in process of production, the PVC raw material of melting are introduced into metal pipe sleeve after the extrusion of extrusion die mouth 7 It is precooled in 91, under the action of constant temperature circulating cooling water, PVC raw material surface obtains appropriate precooling and generates receipts Contracting, counteracts the expansion effect that PVC raw material generates after from mould, so that production process is more smooth, PVC raw material passes through metal tube It is entered back into after set 91 is cooling and carries out sizing stretching in stretching module 10, ensure that the stability of production, significantly Improve the glossiness of tube surfaces.

Above-mentioned stretching module 10 is located at cooling 9 front end of muzzle and in the form of annular discs, leads between stretching module 10 and cooling muzzle 9 It crosses the fixed connection of screw rod 11 and carries out radial drawing, product is after radial drawing, in the case where meeting equality strength, energy when production Reduce the consumption of raw material.

According to above-mentioned principle, the utility model can also be made appropriate changes and modifications to the above embodiments.Therefore, The utility model is not limited to specific embodiment disclosed and described above, to some modifications and changes of the utility model It should also be as falling into the protection scope of the claims of the present utility model.

Claims (6)

1. a kind of PVC pipe extruder, which is characterized in that described to be fixed on bottom including pedestal (1), by screw bolt support (2) Extrusion screw rod pipe (3) on seat (1), storage barrel (4), the motor for driving extrusion screw rod pipe (3) for supplying PVC raw material (5)；Extrusion screw rod pipe (3) outer sheath is equipped with electromagnetism attemperator (6)；It is equipped on extrusion screw rod pipe (3) discharge end Extrusion die mouth (7), extrusion die mouth (7) outer layer are fixedly installed with extrusion die mouth housing (8), the discharge port of the extrusion die mouth (7) It is upper to be equipped with cooling muzzle (9), equipped with the stretching module (10) positioned at its discharge port on the cooling muzzle (9).

2. a kind of PVC pipe extruder according to claim 1, which is characterized in that the extrusion die mouth housing (8) it is upper End is fixedly installed with plug (81), and the right end of the extrusion die mouth (7) is fixedly installed with connector (82), the connector (82) Right end with shunt bracket (83) be connected, it is described shunt bracket (83) right end be connected with electromagnetism attemperator (6).

3. a kind of PVC pipe extruder according to claim 2, which is characterized in that the lower end for shunting bracket (83) It is connect by rotating block (84) with shaft coupling (85), the front of the shaft coupling (85) is also fixedly installed with shunt catheter (86).

4. a kind of PVC pipe extruder according to claim 1 or 2, which is characterized in that the electromagnetism attemperator (6) The electromagnetic coil (63) that is wrapped on extrusion screw rod pipe (3) is located at electromagnetic coil (63) outer insulating (61), is wrapped in The insulation composite membrane (62) of insulating (61) outside, the outside of the electromagnetic coil (63) is covered with protective layer (64), described Electromagnetic coil (63) is electrically connected with the electromagnetic actuator device (65) being located on pedestal (1).

5. a kind of PVC pipe extruder according to claim 1, which is characterized in that the cooling muzzle (9) includes metal Pipe sleeve (91) and the ring flange (92) for being connected to metal pipe sleeve (91) one end, the ring flange (92) are loaded on extrusion die mouth (7), Arrival end of the metal pipe sleeve (91) in one end and stretching module (10) far from ring flange (92) is in close contact, the metal Circulating water channel (93) are equipped in pipe sleeve (91), are equipped with and circulating water channel (93) on the outer tube wall of the metal pipe sleeve (91) The water inlet (94) and water outlet (95) of connection.

6. a kind of PVC pipe extruder according to claim 1, which is characterized in that the stretching module (10) is located at cold But muzzle (9) front end and in the form of annular discs, between the stretching module (10) and cooling muzzle (9) even by fixed screw rod (11) It connects.