CN216609994U

CN216609994U - PVC tubular product screw extruder

Info

Publication number: CN216609994U
Application number: CN202122591230.8U
Authority: CN
Inventors: 斯孝洪
Original assignee: Sichuan Hongtian New Building Materials Co ltd
Current assignee: Sichuan Hongtian New Building Materials Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-05-27
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a PVC pipe screw extruder, which belongs to the technical field of PVC pipe processing and comprises a base, a supporting seat and a machine barrel, wherein the supporting seat is connected to the upper side of the base through a bolt, the machine barrel is connected to the upper side of the supporting seat through a bolt, ultrasonic distance measuring instruments are symmetrically arranged at the horizontal position outside the machine barrel, a machine head die is arranged at one end of the machine barrel, a heat preservation shell is arranged on the outer side wall of the machine barrel, and heaters are arranged at equal intervals on the inner side of the heat preservation shell. According to the PVC pipe screw extruder provided by the utility model, the ultrasonic distance meter can measure the distance from the inner side wall of the extrusion cylinder barrel to the surface of the screw when the PVC pipe screw extruder is used, and further the distance is converted into the data of the gap between the inner side wall of the extrusion cylinder barrel and the screw, so that the gap is maintained at a normal level, the rotating extrusion effect of the screw and the extrusion processing efficiency of the extruder are prevented from being influenced by overlarge gap, and the raw material damage is avoided.

Description

PVC tubular product screw extruder

Technical Field

The utility model relates to a PVC pipe processing device, in particular to a PVC pipe screw extruder, and belongs to the technical field of PVC pipe processing.

Background

The PVC extruder is divided into a hard RPVC pipe and a soft RPVC pipe, and is prepared by mixing PVC resin with auxiliaries such as a stabilizer, a lubricant and the like, granulating and then molding by the extruder, or performing one-step extrusion molding by adopting powder. The RPVC pipe has good chemical resistance and insulation property, and is mainly used for conveying various fluids and used as a wire casing pipe and the like. The RPVC pipe is easy to cut, weld, bond and bend by heating, so the RPVC pipe is very convenient to install and use.

When the existing PVC pipe screw extruder is used, a device for monitoring the change of the inner diameter of the extrusion cylinder barrel is lacked, so that after the extruder works for a long time, the gap between the inner side wall of the extrusion cylinder barrel and the screw rod is enlarged, the gap cannot be monitored in time, the rotary extrusion effect of the screw rod is influenced, the extrusion processing efficiency of the screw extruder is influenced, and raw materials are easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a PVC pipe screw extruder which has the characteristics of monitoring the diameter change of the inner side wall of an extrusion cylinder barrel, ensuring the gap between a screw and the inner side wall of the extrusion cylinder barrel and further ensuring the extrusion processing efficiency.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a PVC tubular product screw extruder, includes base, supporting seat and barrel, the base upside has through bolted connection the supporting seat, the supporting seat upside has through screwed connection the barrel, the outside horizontal position symmetry of barrel is provided with ultrasonic ranging appearance, barrel one end is provided with the aircraft nose mould, the barrel lateral wall is provided with the heat preservation shell, the equidistant heater that is provided with in heat preservation shell inboard, the extrusion cylinder section of thick bamboo is worn to be equipped with by the heater inboard, the screw rod is worn to be equipped with by the extrusion cylinder section of thick bamboo inboard, it has temperature sensor to embed on the screw rod.

Preferably, one end, far away from the machine head die, of the machine barrel is provided with a right-angle reducer, the upper side of the right-angle reducer is connected with a motor through a bolt, and the upper side of one end, close to the right-angle reducer, of the machine barrel is provided with a feeder.

Preferably, the feeder upper end has the loading hopper through the screw connection, the aircraft nose mould inboard is provided with tubular product and extrudes the ring, supporting seat upside integrated into one piece has the barrel draw-in groove.

Preferably, the output end of the motor is connected with the input end of the right-angle reducer in a key mode, the output end of the right-angle reducer is connected with the screw rod through a bolt, and the feeder is connected with the machine barrel through a screw.

Preferably, the machine head die is in threaded connection with the machine barrel, and the base and the supporting seat are made of stainless steel.

Preferably, one end of the screw rod, which is close to the right-angle reducer, is connected with the inner side wall of the extrusion cylinder barrel through a thrust bearing, and the machine head die is made of stainless steel.

Preferably, the lower side surfaces of the four corners of the lower side of the base are provided with leveling bolts.

The utility model has the beneficial technical effects that:

1. according to the PVC pipe screw extruder provided by the utility model, the ultrasonic distance meter can measure the distance from the inner side wall of the extrusion cylinder barrel to the surface of the screw when the PVC pipe screw extruder is used, and further the distance is converted into the data of the gap between the inner side wall of the extrusion cylinder barrel and the screw, so that the gap is maintained at a normal level, the rotating extrusion effect of the screw and the extrusion processing efficiency of the extruder are prevented from being influenced by overlarge gap, and the raw material damage is avoided.

Drawings

FIG. 1 is a general front view structural diagram of an apparatus of a preferred embodiment of a PVC pipe screw extruder according to the present invention;

FIG. 2 is a partial top cross-sectional block diagram of a barrel in a preferred embodiment of a PVC pipe screw extruder according to the present invention;

FIG. 3 is a right sectional view of a supporting base in a preferred embodiment of a PVC pipe screw extruder according to the present invention.

In the figure: 1-base, 2-right-angle reducer, 3-motor, 4-machine barrel, 5-loading hopper, 6-feeder, 7-machine head mould, 8-heat preservation shell, 9-screw, 10-heater, 11-supporting seat, 12-barrel clamping groove, 13-temperature sensor, 14-pipe extrusion ring, 15-extrusion cylinder barrel and 16-ultrasonic range finder.

Detailed Description

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-3, the PVC pipe screw extruder provided by this embodiment includes a base 1, a supporting seat 11 and a barrel 4, the supporting seat 11 is connected to the upper side of the base 1 through a bolt, the barrel 4 is connected to the upper side of the supporting seat 11 through a bolt, an ultrasonic distance meter 16 is symmetrically arranged at the horizontal position outside the barrel 4, a head mold 7 is arranged at one end of the barrel 4, a heat preservation shell 8 is arranged on the outer side wall of the barrel 4, heaters 10 are arranged at equal intervals inside the heat preservation shell 8, an extrusion cylinder 15 is arranged inside the heaters 10, a screw 9 is arranged inside the extrusion cylinder 15, and a temperature sensor 13 is embedded in the screw 9.

Barrel 4 keeps away from 7 one ends of aircraft nose mould and is provided with right

angle reduction gear

2, and 2 upsides of right angle reduction gear have motor 3 through bolted connection, and barrel 4 is close to 2 one end upsides of right angle reduction gear and is provided with charging means 6, and right angle reduction gear 2 can slow down motor 3, and then guarantees that the slew velocity of screw 9 meets the requirements, and charging means 6 can add the raw and other materials in hopper 5 to 15 inboards of extrusion cylinder, and then can carry out extrusion processing.

The upper end of the feeder 6 is connected with a feeding hopper 5 through a screw, a pipe extrusion ring 14 is arranged on the inner side of the machine head die 7, a barrel clamping groove 12 is integrally formed on the upper side of the supporting seat 11, the pipe extrusion ring 14 on the machine head die 7 can extrude raw materials into a round tube shape, and the barrel clamping groove 12 can effectively clamp and fix the machine barrel 4.

The output of the motor 3 is connected with the input end of the right-angle reducer 2 through a key, the output end of the right-angle reducer 2 is connected with the screw rod 9 through a bolt, the feeder 6 is connected with the machine barrel 4 through a screw, and the screw rod 9 rotates to enable raw materials to be extruded, so that the required pipes can be extruded.

The machine head die 7 is in threaded connection with the machine barrel 4, the base 1 and the supporting seat 11 are made of stainless steel, and the material characteristics of the base 1 and the supporting seat 11 enable the extruder to be stably supported.

Screw rod 9 is close to 2 one ends of right angle reduction gear and passes through footstep bearing with 15 inside walls of extrusion cylinder and be connected, and aircraft nose mould 7 is made for the stainless steel, and extrusion cylinder 15 provides the space for the heating extrusion of raw and other materials, guarantees processingquality.

Leveling bolts are arranged on the lower side surfaces of the four corners of the lower side of the base 1, and the device can be leveled through the leveling bolts, so that the smooth proceeding of the machining process is ensured.

As shown in fig. 1 to fig. 3, the working process of the PVC pipe screw extruder provided in this embodiment is as follows:

step 1: raw materials are added into a feeding hopper 5, the feeding device 6 can convey the raw materials in the feeding hopper 5 into an extrusion cylinder barrel 15 on the inner side of a machine barrel 4, a motor 3 drives a screw rod 9 to rotate after being decelerated by a right-angle reducer 2, and then the raw materials are extruded, and a heater 10 can heat the inner side of the extrusion cylinder barrel 15 to heat and melt the raw materials;

step 2: the heated raw material is extruded out through the head die 7, and the pipe extrusion ring 14 can extrude the raw material into a round pipe shape, so that the quality of the pipe is ensured;

and step 3: the ultrasonic distance measuring instrument 16 can measure the distance from the inner side wall of the extrusion cylinder barrel 15 to the surface of the screw rod 9, and then the distance is converted into clearance data between the inner side wall of the extrusion cylinder barrel 15 and the screw rod 9, so that the clearance is guaranteed to be maintained at a normal level, the rotary extrusion effect of the screw rod 9 and the extrusion processing efficiency of the extruder are prevented from being influenced by too large clearance, and the raw materials are prevented from being damaged.

The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.

Claims

1. The utility model provides a PVC tubular product screw extruder which characterized in that: including base (1), supporting seat (11) and barrel (4), there is supporting seat (11) base (1) upside through bolted connection, there is barrel (4) supporting seat (11) upside through the screw connection, barrel (4) outside horizontal position symmetry is provided with ultrasonic ranging appearance (16), barrel (4) one end is provided with aircraft nose mould (7), barrel (4) lateral wall is provided with heat preservation shell (8), heat preservation shell (8) inboard equidistant heater (10) that is provided with, extrusion cylinder section of thick bamboo (15) are worn to be equipped with by heater (10) inboard, screw rod (9) are worn to be equipped with by extrusion cylinder section of thick bamboo (15) inboard, the embedded temperature sensor (13) that has on screw rod (9).

2. The PVC pipe screw extruder of claim 1, wherein: barrel (4) are kept away from head mould (7) one end is provided with right angle reduction gear (2), right angle reduction gear (2) upside has motor (3) through bolted connection, barrel (4) are close to right angle reduction gear (2) one end upside is provided with charging means (6).

3. The PVC pipe screw extruder of claim 2, wherein: feeder (6) upper end has loading hopper (5) through the screw connection, aircraft nose mould (7) inboard is provided with tubular product and extrudes ring (14), supporting seat (11) upside integrated into one piece has barrel draw-in groove (12).

4. The PVC pipe screw extruder of claim 2, wherein: the output end of the motor (3) is connected with the input end key of the right-angle reducer (2), the output end of the right-angle reducer (2) is connected with the screw rod (9) through a bolt, and the feeder (6) is connected with the machine barrel (4) through a screw.

5. The PVC pipe screw extruder of claim 1, wherein: the machine head die (7) is in threaded connection with the machine barrel (4), and the base (1) and the supporting seat (11) are both made of stainless steel.

6. The PVC pipe screw extruder of claim 2, wherein: one end of the screw rod (9) close to the right-angle reducer (2) is connected with the inner side wall of the extrusion cylinder barrel (15) through a thrust bearing, and the machine head die (7) is made of stainless steel.

7. The PVC pipe screw extruder of claim 1, wherein: the lower side surfaces of the four corners of the lower side of the base (1) are provided with leveling bolts.