CN215550803U - Screw barrel of shunting plate extruder - Google Patents

Abstract

The utility model discloses a shunting plate extruder screw barrel, which comprises a barrel body, an outer barrel and an inner barrel, wherein the barrel body consists of the outer barrel and the inner barrel, the inner wall of the outer barrel is uniformly provided with wave-shaped grooves, the outer wall of the inner barrel is uniformly and fixedly provided with wave-shaped bulges, the wave-shaped bulges are matched with the wave-shaped grooves, the inner part of the outer barrel is provided with a water cooling tank, the inner side of the water cooling tank is bonded with a circulating cooling pipe, the outer part of the outer barrel is spliced with a heat-insulating sleeve, the inner part of the inner barrel is spliced with a wear-resisting ring, the outer wall of the wear-resisting ring is fixedly provided with a plurality of limiting strips, and the inner wall of the inner barrel is provided with a plurality of limiting grooves. The wear-resisting ring is arranged, so that the wear of the inner walls of the screw and the machine barrel is reduced, and the service life of the machine barrel is prolonged.

Description

Screw barrel of shunting plate extruder

Technical Field

The utility model relates to the technical field of plate extruders, in particular to a screw barrel of a shunting plate extruder.

Background

The extruder belongs to one of the types of plastic machinery, and originates from the 18 th century extruder, and the extruder head can be divided into a right-angle extruder head, an oblique-angle extruder head and the like according to the material flow direction of the extruder head and the included angle of the central line of a screw. The screw extruder depends on the pressure and the shearing force generated by the rotation of the screw, so that materials can be fully plasticized and uniformly mixed and are molded through a neck mold. Plastics extruders can be largely classified into twin-screw extruders, single-screw extruders and, less frequently, multi-screw extruders and also screwless extruders.

In the extruder operation in-process, the material can take place the friction of high strength with the barrel, this barrel inner wall that leads to current shunting panel extruder is worn and torn very easily, corrode, it is generally not high to have a life-span, it protects the barrel also to lack the thermal-insulated structure of heat preservation, thereby the stability that the barrel used has been influenced, product quality has also been reduced, and simultaneously, the barrel of current shunting panel extruder, use strength is high inadequately, pipeline internal connection is inseparable inadequately, and need carry out rapid cooling to the barrel when the barrel high temperature, thereby prevent that the material from bonding because of the too high unable shaping of temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a screw barrel of a shunting plate extruder, which aims to solve the problems that materials are subjected to high-strength friction with the barrel in the running process of the extruder, so that the inner wall of the barrel of the existing shunting plate extruder is easily abraded and corroded, the service life is not high generally, and the barrel is protected by a heat-insulating structure, so that the use stability of the barrel is influenced, and the product quality is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a reposition of redundant personnel panel extruder screw rod barrel, includes barrel, flange, urceolus and inner tube, the barrel comprises urceolus and inner tube, the wave recess has evenly been seted up to the inner wall of urceolus, the even fixed mounting of outer wall of inner tube has the wave arch, the wave arch matches the setting with the wave recess, the water-cooling tank has been seted up to the inside of urceolus, the inboard bonding of water-cooling tank has the circulative cooling pipe, the outside of urceolus is pegged graft and is had heat preservation heat insulation sleeve, the inside of inner tube is pegged graft and is had wear ring, the outer wall fixed mounting of wear ring has the spacing of a plurality of, a plurality of spacing groove has been seted up to the inner wall of inner tube, a plurality of spacing groove matches the setting with the spacing one-to-one of a plurality of.

As a preferred technical scheme of the utility model, a material channel is arranged in the cylinder, and an internal thread bulge is arranged on the inner wall of the material channel.

As a preferable technical scheme of the utility model, one side of the cylinder body is fixedly provided with a connecting flange.

As a preferred technical scheme of the utility model, a water inlet and a water outlet are respectively arranged at two ends of the circulating cooling pipe, and the water inlet and the water outlet are respectively spliced with the top and the bottom of the outer wall of the cylinder body.

As a preferable technical scheme of the utility model, the heat-insulating sleeve is made of silica glass fiber.

In a preferred embodiment of the present invention, the wear-resistant ring is made of ceramic.

As a preferable technical scheme of the utility model, the middle part of the top end of the cylinder body is fixedly provided with an exhaust valve, the bottom end of the exhaust valve is fixedly communicated with an exhaust pipe, and the bottom end of the exhaust pipe is fixedly communicated with a material channel.

Compared with the prior art, the utility model has the beneficial effects that:

1. set up heat preservation insulation sleeve, the barrel forms through urceolus and inner tube combination, and the urceolus is provided with heat preservation insulation sleeve, is made by heat preservation and insulation material, can provide good heat preservation and insulation properties for the inside of barrel, for the use of barrel, brings the convenience to the quality of processing product has been improved, simultaneously, also can completely cut off high temperature and prevent that the staff from scalding.

2. Set up the circulative cooling pipe, the inside water-cooling tank that is provided with of urceolus through at the inside circulative cooling pipe that sets up of water-cooling tank, can external cooling water that lets in to cool off the inside material of barrel and barrel fast, avoid ejection of compact high temperature, lead to the material to bond, influence product quality.

3. Set up wear-resisting ring, through the cooperation of spacing groove and spacing, with wear-resisting ring and inner tube inner wall connection, improve the inside wear resistance of barrel, make the barrel difficult wearing and tearing, increase of service life reduces change frequency and cost, improves work efficiency, and urceolus and inner tube carry out zonulae occludens through the protruding cooperation with the wave recess of wave, can improve the stability of barrel.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is an internal structural view of the present invention;

fig. 5 is a structural view of a circulation cooling pipe of the present invention.

In the figure: 1. a barrel; 2. a connecting flange; 3. a material channel; 4. an outer cylinder; 5. an inner barrel; 6. an exhaust pipe; 7. an exhaust valve; 8. an internal thread bulge; 9. a wave-shaped groove; 10. a wave-shaped bulge; 11. a limiting groove; 12. a limiting strip; 13. a wear ring; 14. a water cooling tank; 15. a heat-insulating sleeve; 16. a circulating cooling pipe; 17. a water inlet; 18. and (7) a water outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the utility model provides a screw machine barrel of a shunting plate extruder, which comprises a barrel body 1, an outer barrel 4 and an inner barrel 5, wherein the barrel body 1 consists of the outer barrel 4 and the inner barrel 5, wave-shaped grooves 9 are uniformly formed in the inner wall of the outer barrel 4, wave-shaped bulges 10 are uniformly and fixedly installed on the outer wall of the inner barrel 5, the wave-shaped bulges 10 are matched with the wave-shaped grooves 9, a water cooling tank 14 is formed in the outer barrel 4, a circulating cooling pipe 16 is bonded on the inner side of the water cooling tank 14, a heat-insulating sleeve 15 is inserted outside the outer barrel 4, a wear-resisting ring 13 is inserted inside the inner barrel 5, a plurality of limiting strips 12 are fixedly installed on the outer wall of the wear-resisting ring 13, a plurality of limiting grooves 11 are formed in the inner wall of the inner barrel 5, and the plurality of limiting grooves 11 are matched with the plurality of limiting strips 12 one to one.

Preferably, the material channel 3 is arranged in the barrel body 1, the inner wall of the material channel 3 is provided with the internal thread protrusion 8, friction between the machine barrel and the material is reduced, movement resistance of the material is reduced, and material plasticizing quality is improved.

Preferably, a connecting flange 2 is fixedly arranged on one side of the barrel body 1, and the barrel can be conveniently and fixedly arranged on the extruder through the connecting flange 2.

Preferably, both ends of the circulating cooling pipe 16 are respectively provided with a water inlet 17 and a water outlet 18, the water inlet 17 and the water outlet 18 are respectively inserted into the top and the bottom of the outer wall of the cylinder 1, and the circulating cooling pipe and external cooling water can be introduced through the water inlet 17 and the water outlet 18 for circulating cooling.

Preferably, the insulating sleeve 15 is made of silica glass fibers, which can improve the insulating performance of the barrel.

Preferably, the wear-resistant ring 13 is made of ceramic, and has good wear resistance, corrosion resistance and heat resistance.

Preferably, the middle part of the top end of the barrel body 1 is fixedly provided with an exhaust valve 7, the bottom end of the exhaust valve 7 is fixedly communicated with an exhaust pipe 6, the bottom end of the exhaust pipe 6 is fixedly communicated with the material channel 3, and gas and volatile matters in the machine barrel can be discharged when the machine barrel is used through the exhaust pipe 6 and the exhaust valve 7.

When the split-flow type plate extruder screw machine barrel is used in detail, the outer barrel 4 and the inner barrel 5 are combined to form the machine barrel, the outer barrel 4 and the inner barrel 5 are tightly connected through the matching of the wavy bulges 10 and the wavy grooves 9, the stability of the machine barrel can be improved, the outer barrel 4 is provided with the heat-insulating sleeve 15 which is made of heat-insulating materials, good heat-insulating performance can be provided for the interior of the machine barrel, the use of the machine barrel is facilitated, the quality of processed products is improved, meanwhile, high temperature can be isolated through the heat-insulating sleeve 15, workers are prevented from being scalded, the water cooling tank 14 is arranged in the outer barrel 4, the circulating cooling pipe 16 which is wound and connected is arranged in the water cooling tank 14, cooling water can be externally connected and introduced, so that materials in the machine barrel and the machine barrel are rapidly cooled, the phenomenon that the discharging temperature is too high and the materials are bonded is avoided, influence product quality, cooperation through spacing groove 11 and spacing 12, with wear ring 13 and 5 inner wall connections of inner tube, improve the inside wear resistance of barrel, make the barrel difficult wearing and tearing, increase of service life, reduce change frequency and cost, improve work efficiency, barrel 1 is inside to set up material passageway 3, material passageway 3 is provided with internal thread arch 8, can reduce the friction between barrel and the material, and reduced the motion resistance of material, material plastify quality has been improved, one side of barrel is provided with flange 2, through flange 2, can be convenient for the installation of barrel on the extruder fixed, barrel upper portion is provided with discharge valve 7, connect discharge valve 7 and barrel inside through blast pipe 6, can when the barrel uses, discharge gas and volatile matter in the barrel, promote the practicality of barrel.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (7)

1. The utility model provides a reposition of redundant personnel plate extruder screw rod barrel, includes barrel (1), urceolus (4) and inner tube (5), its characterized in that: the cylinder body (1) consists of an outer cylinder (4) and an inner cylinder (5), the inner wall of the outer cylinder (4) is uniformly provided with wave-shaped grooves (9), the outer wall of the inner cylinder (5) is uniformly and fixedly provided with wave-shaped bulges (10), the wave-shaped bulges (10) are matched with the wave-shaped grooves (9), a water cooling groove (14) is arranged in the outer cylinder (4), a circulating cooling pipe (16) is bonded on the inner side of the water cooling groove (14), the outer part of the outer cylinder (4) is spliced with a heat-insulating sleeve (15), the inner part of the inner cylinder (5) is spliced with a wear-resistant ring (13), the outer wall of the wear-resistant ring (13) is fixedly provided with a plurality of limiting strips (12), a plurality of limiting grooves (11) are formed in the inner wall of the inner barrel (5), and the limiting grooves (11) are matched with a plurality of limiting strips (12) in a one-to-one correspondence mode.

2. A split-flow sheet extruder screw barrel as defined in claim 1, wherein: a material channel (3) is formed in the cylinder body (1), and an internal thread protrusion (8) is formed in the inner wall of the material channel (3).

3. A split-flow sheet extruder screw barrel as defined in claim 1, wherein: and a connecting flange (2) is fixedly arranged on one side of the cylinder body (1).

4. A split-flow sheet extruder screw barrel as defined in claim 1, wherein: and a water inlet (17) and a water outlet (18) are respectively arranged at two ends of the circulating cooling pipe (16), and the water inlet (17) and the water outlet (18) are respectively inserted into the top and the bottom of the outer wall of the barrel body (1).

5. A split-flow sheet extruder screw barrel as defined in claim 1, wherein: the heat-insulating sleeve (15) is made of silica glass fiber.

6. A split-flow sheet extruder screw barrel as defined in claim 1, wherein: the wear-resistant ring (13) is made of ceramic.

7. A split-flow sheet extruder screw barrel as defined in claim 1, wherein: the middle part of barrel (1) top fixed mounting has discharge valve (7), the bottom mounting intercommunication of discharge valve (7) has blast pipe (6), the bottom and the fixed intercommunication of material passageway (3) of blast pipe (6).

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