CN215550796U

CN215550796U - Extruder of waterproofing membrane production usefulness

Info

Publication number: CN215550796U
Application number: CN202121295663.2U
Authority: CN
Inventors: 洪增光
Original assignee: Clariant Intelligent Equipment Zhoushan Co ltd
Current assignee: Clariant Intelligent Equipment Zhoushan Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-01-18
Anticipated expiration: 2031-06-10

Abstract

The utility model provides an extruder for producing waterproof rolls, which solves the problem that the existing extruder for producing waterproof rolls is not ideal in effect in the material mixing process. First-order screw rod and second order screw rod, first-order screw rod is equipped with the feeding section in proper order, compression section and measurement section No. one, the second order screw rod is equipped with exhaust section in proper order, No. two measurement sections, be equipped with the mixing section between first-order screw rod and the second order screw rod, the circumference of mixing section is equipped with the chute, the discharge end of chute is equipped with the spigot surface of being connected with the second order screw rod, the circumference equipartition of spigot surface has the bellying that is the staggered arrangement with the chute, the spigot surface is equipped with two rings at least bellyings, adjacent bellying is the staggered arrangement around. The melt enters the mixing section through the first metering section, the melt is firstly shunted through the chute, the melt is mixed after flowing out of the chute and flows to the exhaust section along the guide surface, and the melt is shunted and mixed for at least two times through the bulge part in the flowing process, so that the mixing is more uniform, and the extrusion quality of a product is ensured.

Description

Extruder of waterproofing membrane production usefulness

Technical Field

The utility model relates to the field of extrusion equipment, in particular to an extruder for producing waterproof rolls.

Background

With the rapid development of economy, the requirements of buildings and other fields on waterproof coiled materials are higher and higher, the requirements are higher and higher, and the polymer film waterproof coiled materials are more and more widely applied due to the advantages of high tensile strength, strong homogeneity, good heat resistance, difficult aging and the like.

The extruder is an important device in the production process of the waterproof coiled material, the waterproof coiled material mixture is extruded, conveyed, plasticized and mixed in the extruder barrel and finally extruded and molded, and the existing extruder for producing the waterproof coiled material has unsatisfactory effect in the mixing process, so that the quality of a product is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the background art, the utility model provides an extruder for producing waterproof rolls, which solves the problem that the effect of the existing extruder for producing waterproof rolls is not ideal in the material mixing process.

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

the utility model provides an extruder of waterproofing membrane production usefulness, includes barrel and screw rod, the screw rod includes first-order screw rod and second order screw rod, first-order screw rod is equipped with feeding section, compression section and measurement section No. one in proper order, the second order screw rod is equipped with exhaust section and No. two measurement sections in proper order, be equipped with mixing section between first-order screw rod and the second order screw rod, the circumference of mixing section is equipped with the chute, the discharge end of chute is equipped with the spigot surface of being connected with the second order screw rod, the circumference equipartition of spigot surface has the bellying that is the staggered arrangement with the chute, the spigot surface is equipped with two rings of at least bellyings, and the adjacent bellying is the staggered arrangement around.

The convex part is in a diamond shape.

The exhaust section is provided with a first spiral edge and a second spiral edge, and the threads of the first spiral edge and the second spiral edge are turned to the same direction and have the same thread pitch and are arranged in a staggered mode.

The circumference of the inner wall of the machine barrel is provided with a groove, and the groove is close to the feed inlet of the machine barrel.

A first cooling channel is arranged in the machine barrel, a second cooling channel is arranged in the screw, and the second cooling channel is located at the axis position of the screw.

The inner wall of the machine barrel is provided with a wear-resistant layer.

And a non-return ring for preventing melt from flowing back is arranged at the discharge end of the second metering section.

The utility model has the beneficial effects that:

the melt enters the mixing section through the first metering section, the melt is firstly shunted through the chute, the melt is mixed after flowing out of the chute and flows to the exhaust section along the guide surface, and the melt is shunted and mixed for at least two times through the bulge part in the flowing process, so that the mixing is more uniform, and the extrusion quality of a product is ensured.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is an enlarged schematic view of the utility model at a in fig. 1.

FIG. 3 is a schematic cross-sectional view B of FIG. 1 according to the present invention.

The device comprises a machine barrel 1, a screw 2, a first-stage screw 21, a second-stage screw 22, a feeding section 3, a compression section 4, a first metering section 5, a gas exhaust section 6, a first screw rib 61, a second screw rib 62, a second metering section 7, a mixing section 8, a chute 81, a guide surface 82, a convex part 83, a groove 9, a first cooling channel 10, a second cooling channel 11, a wear-resistant layer 12 and a non-return ring 13.

Detailed Description

The utility model will be further illustrated with reference to the following examples and drawings:

in the embodiment, as shown in fig. 1 and fig. 2, an extruder for producing a waterproof roll includes a barrel 1 and a screw 2, the screw 2 includes a first-order screw 21 and a second-order screw 22, the first-order screw 21 is sequentially provided with a feeding section 3, a compression section 4 and a first metering section 5, the second-order screw 22 is sequentially provided with an exhaust section 6 and a second metering section 7, a mixing section 8 is arranged between the first-order screw 21 and the second-order screw 22, a chute 81 is arranged in the circumferential direction of the mixing section 8, a guide surface 82 connected with the second-order screw 22 is arranged at the discharge end of the chute 81, protrusions 83 staggered with the chute 81 are uniformly distributed in the circumferential direction of the guide surface 82, the guide surface 82 is provided with at least two circles of protrusions 83, and the front and back adjacent protrusions 83 are staggered. The melt enters the mixing section 8 through the first metering section 5, the melt is firstly shunted through the chute 81, the melt is mixed after flowing out of the chute 81 and flows to the exhaust section along the guide surface 82, and the melt is shunted and mixed for at least two times through the bulge 83 in the flowing process, so that the mixing is more uniform, and the extrusion quality of a product is ensured.

In an embodiment, as shown in fig. 1 and 2, the protrusion 83 has a rhombus shape. The diamond-shaped convex part 83 can divide the melt conveyed from the chute 81 along the inclined surfaces on both sides of the convex part 93, and the melt is not accumulated at the front end of the convex part 3.

The exhaust section 6 is provided with a first spiral edge 61 and a second spiral edge 62, and the spiral edges of the first spiral edge 61 and the second spiral edge 62 are in the same direction and have the same pitch and are arranged in a staggered mode. The melt from the mixing section 8 is divided, and the accumulation of the melt between the mixing section 8 and the exhaust section 6 is reduced.

In the embodiment, as shown in fig. 3, the inner wall of the cylinder 1 is circumferentially provided with a groove 9, and the groove 9 is close to the feeding port of the cylinder 1. After the damp or water-bearing raw materials enter the feed inlet, the raw materials are in contact with the grooves 9, so that the friction force of the raw materials can be increased, the situation that the raw materials cannot be conveyed due to the fact that the raw materials slip between the screw rod 2 and the inner wall of the machine barrel 1 is prevented, and meanwhile, the raw materials generate moisture in the machine barrel 1 and can be discharged from the grooves 9 at the bottom of the machine barrel 1.

In the embodiment, as shown in fig. 1, a first cooling channel 10 is provided in the barrel 1, a second cooling channel 11 is provided in the screw 2, and the second cooling channel 11 is located at the axial center of the screw 2. The inside of barrel 1 and screw rod 2 leads to the cooling water simultaneously and circulates, guarantees that the temperature of fuse-element is even between 2 outer walls of screw rod and 1 inner wall of barrel, makes the phenomenon that different positions temperature is different not appear in the fuse-element, guarantees the quality of product.

In the embodiment, as shown in fig. 1, the inner wall of the cylinder 1 is provided with a wear-resistant layer 12. The wear-resistant layer 12 is an alloy layer, and the alloy layer can be arranged on the surface of the screw 2, so that the wear between the screw 2 and the machine barrel 1 is reduced, and the service life of the machine barrel 1 is prolonged.

In the embodiment, as shown in fig. 1, the discharge end of the second metering section 7 is provided with a non-return ring 13 for preventing the melt from flowing back. The non-return ring 13 can prevent the melt from flowing back during injection molding, and ensure the stable output of the materials.

It should be understood that the above-described embodiments of the present invention are merely examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And such obvious changes and modifications which are within the spirit of the utility model are deemed to be covered by the present invention.

Claims

1. The utility model provides an extruder of waterproofing membrane production usefulness, includes barrel (1) and screw rod (2), its characterized in that: screw rod (2) are including one-order screw rod (21) and second order screw rod (22), one-order screw rod (21) are equipped with in proper order and send material section (3), compression section (4) and measurement section (5) No. one, second order screw rod (22) are equipped with exhaust section (6) and No. two measurement sections (7) in proper order, be equipped with mixing section (8) between one-order screw rod (21) and second order screw rod (22), the circumference of mixing section (8) is equipped with chute (81), the discharge end of chute (81) is equipped with spigot surface (82) of being connected with second order screw rod (22), the circumference equipartition of spigot surface (82) has bellying (83) that are the staggered arrangement with chute (81), spigot surface (82) are equipped with at least two rings of bellying (83), and adjacent bellying (83) are the staggered arrangement around.

2. The extruder for producing a waterproof roll according to claim 1, wherein: the convex part (83) is in a diamond shape.

3. The extruder for producing a waterproof roll according to claim 1, wherein: the exhaust section (6) is provided with a first spiral edge (61) and a second spiral edge (62), and the spiral edges of the first spiral edge (61) and the second spiral edge (62) are in the same direction and the same pitch and are arranged in a staggered mode.

4. The extruder for producing a waterproof roll according to claim 1, wherein: the circumference of the inner wall of the machine barrel (1) is provided with a groove (9), and the groove (9) is close to the feed inlet of the machine barrel (1).

5. The extruder for producing a waterproof roll according to claim 1, wherein: be equipped with cooling channel (10) No. one in barrel (1), be equipped with No. two cooling channel (11) in screw rod (2), No. two cooling channel (11) are located the axle center position of screw rod (2).

6. The extruder for producing a waterproof roll according to claim 1, wherein: the inner wall of the machine barrel (1) is provided with a wear-resistant layer (12).

7. The extruder for producing a waterproof roll according to claim 1, wherein: and a non-return ring (13) for preventing melt from flowing back is arranged at the discharge end of the second metering section (7).