CN213500653U

CN213500653U - Melt-blown cloth screw

Info

Publication number: CN213500653U
Application number: CN202022428268.9U
Authority: CN
Inventors: 吴情
Original assignee: Beijing Xinhonghao Trading Co ltd
Current assignee: Beijing Xinhonghao Trading Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-22
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a melt-blown cloth screw rod relates to the technical field of screw rod, the utility model discloses a aim at solving the problem of compounding effect, the utility model discloses a main part, open the one end of main part has the keyway, thereby one side that the main part is close to the keyway is feed zone, compounding section, compression section and the section of extruding in proper order to one side of keeping away from the keyway, the outer wall of feed zone and compression section all is provided with the spiral shell arris. The effect of material mixing has been increased through a lot of mixings, make the gas of the crisscross flow discharge cavity of material through mixing the section simultaneously, the quality of material when having guaranteed to extrude, simultaneously through being used for the mechanical energy and extruding the section and producing a large amount of heat, the molten state of material when having guaranteed to extrude, material and the too big local solidification or the grain of production of difference in temperature when equipment is inside when avoiding extruding, the operation of the clearance export that the staff often wastes time and energy has been saved, the quality of material has also been guaranteed simultaneously.

Description

Melt-blown cloth screw

Technical Field

The utility model relates to a technical field of screw rod specifically is a melt-blown fabric screw rod.

Background

Screws are an important part of injection molding machines. It is used for conveying, compacting, melting, stirring and pressing plastic. All this is done by rotation of the screw within the barrel. When the screw rotates, the plastic generates friction and mutual movement on the inner wall of the machine barrel, the bottom surface of the screw groove, the screw ridge propelling surface and the plastic. The forward propulsion of plastics is exactly the result of this kind of motion combination, and the heat that the friction produced is also absorbed and is used for improving the plastics temperature and melting plastics, current screw rod, during the transport stage, because the change of raw materials form can lead to forming the cavity in the melting material and produce the bubble, thereby the quality when influencing the output, and the material when extruding because with the temperature difference when equipment is inside great, the condition that partial solidification or nodulation can appear, need the staff to waste time and energy to clear up, staff's use of not being convenient for.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, namely the problems provided by the background art, the utility model provides a melt-blown cloth screw, which comprises a main body, wherein a key groove is formed at one end of the main body, the main body sequentially comprises a feeding section, a mixing section, a compression section and an extrusion section from one side close to the key groove to one side far away from the key groove, the outer walls of the feeding section and the compression section are provided with screw edges, the diameter of the main body from one side close to the key groove to one side far away from the key groove is gradually increased, and the width of the screw edges of the outer walls of the feeding section and the compression section is gradually reduced;

the outer wall of the mixing section is provided with a groove which is in a cross net shape, the outer wall of the mixing section is fixedly connected with a plurality of convex edges, the convex edges are distributed around the groove in the cross net shape, and a plurality of convex points are fixedly connected around the outer wall of the extrusion section.

The utility model discloses a further set up to: the screw pitch of the compression section is one third to one half of that of the feeding section.

The utility model discloses a further set up to: the convex edges are uniformly distributed on the outer wall of the material mixing section in a spiral shape by taking the axis of the main body as the axis.

The utility model discloses a further set up to: the salient points are uniformly distributed on the outer wall of the extrusion section in a spiral shape by taking the axis of the main body as the axis.

The utility model has the advantages of: the effect of material mixing has been increased through a lot of mixings, make the gas of the crisscross flow discharge cavity of material through mixing the section simultaneously, the quality of material when having guaranteed to extrude, simultaneously through being used for the mechanical energy and extruding the section and producing a large amount of heat, the molten state of material when having guaranteed to extrude, material and the too big local solidification or the grain of production of difference in temperature when equipment is inside when avoiding extruding, the operation of the clearance export that the staff often wastes time and energy has been saved, the quality of material has also been guaranteed simultaneously.

Drawings

Fig. 1 shows the main structure of the present invention.

Reference numeral 1, main part, 2, feed zone, 3, mixing section, 4, bead, 5, compression section, 6, extrusion section.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

The utility model provides a melt-blown cloth screw, including main part 1, the keyway has been opened to the one end of main part 1, thereby main part 1 is close to one side of keyway to keeping away from one side of keyway in proper order feed section 2, compounding section 3, compression section 5 and extrusion section 6, the outer wall of feed section 2 and compression section 5 all is provided with the flight, the actuating mechanism of equipment is connected with the keyway of main part 1 tip, and drive the main part and rotate, the material reachs feed section 2 department through the feeding of equipment, feed section 2 carries the raw materials to mixing section 3 department gradually, the flight pitch of compression section 5 is one third to one half of feed section 2 flight pitch, thereby main part 1 is close to the diameter of one side of keyway to the one side of keeping away from, and the flight width of feed section 2 and compression section 5 outer wall diminishes gradually, the raw materials passes through compression section 5 department, because the flight pitch of compression section 5 department is one third to one half of feed section 2 department flight pitch, meanwhile, the diameter of the main body 1 is gradually increased, so that the flowing space of the material is gradually reduced, the material is compressed to increase the contact and friction with the inner wall of the equipment, and the melting effect of the material is promoted;

the outer wall of the material mixing section 3 is provided with a groove which is in a cross net shape, the outer wall of the material mixing section 3 is fixedly connected with a plurality of convex edges 4, the convex edges 4 are distributed around the groove in the cross net shape, the convex edges 4 are uniformly distributed on the outer wall of the material mixing section 3 in a spiral shape by taking the axis of the main body 1 as the axis, the materials are mixed in a staggered way through the convex edges 4 at the material mixing section 3 and the groove in the cross net shape, simultaneously, the gas in a cavity is discharged after the material shape changes through the material flowing in a staggered way, a plurality of convex points are fixedly connected around the outer wall of the extrusion section 6, the convex points are uniformly distributed on the outer wall of the extrusion section 6 in a spiral shape by taking the axis of the main body 1 as the axis, the material passes through the extrusion section 6, because the gap between the main body 1 and the equipment at the position is the minimum, the pressure of the material is the maximum, the mechanical energy is all acted at the, meanwhile, the material mixing is promoted again through the bulges distributed at intervals in the spiral mode, and the quality of the material is guaranteed.

The driving mechanism of the equipment is connected with a key groove at the end part of the main body 1 and drives the main body to rotate, materials are fed through the equipment to reach the feeding section 2, the raw materials are gradually conveyed to the mixing section 3 by the feeding section 2, the materials are mixed in a staggered manner through the convex edges 4 and the crossed net-shaped grooves at the mixing section 3, simultaneously, the materials are discharged from a cavity after the materials are changed in form through the staggered flowing of the materials, then the raw materials pass through the compression section 5, because the pitch of the spiral edges at the compression section 5 is one third to one half of the pitch of the spiral edges at the feeding section 2, the diameter of the main body 1 is gradually increased, the flowing space of the materials is gradually reduced, the materials are compressed and contact and rub against the inner wall of the equipment, the melting effect of the materials is promoted, and finally, the materials pass through the extrusion section 6, because the gap between the main body 1 and the equipment is minimum, the pressure of, mechanical energy is all acted on and is extruded section 6 department, forms a large amount of heats, thereby the molten state of material when having guaranteed to extrude in addition the temperature of material itself simultaneously, through spiral interval distribution's arch, promotes the mixture of material again, has guaranteed the quality of material.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention, and particularly, various features shown in the various embodiments may be combined in any combination as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. The utility model provides a melt-blown cloth screw rod, includes main part (1), the one end of main part (1) is opened there is the keyway, its characterized in that: the main body (1) is sequentially provided with a feeding section (2), a mixing section (3), a compression section (5) and an extrusion section (6) from one side close to the key slot to the side far away from the key slot, the outer walls of the feeding section (2) and the compression section (5) are respectively provided with a screw edge, the diameter of the main body (1) from one side close to the key slot to the side far away from the key slot is gradually increased, and the width of the screw edge of the outer wall of the feeding section (2) and the width of the screw edge of the outer wall of the compression section (5) are gradually reduced;

the outer wall of the mixing section (3) is provided with a groove which is in a cross net shape, the outer wall of the mixing section (3) is fixedly connected with a plurality of convex edges (4), the convex edges (4) are distributed around the groove in the cross net shape, and a plurality of convex points are fixedly connected around the outer wall of the extrusion section (6).

2. The meltblown fabric screw of claim 1, wherein: the screw pitch of the compression section (5) is one third to one half of that of the feeding section (2).

3. The meltblown fabric screw of claim 1, wherein: the convex edges (4) are uniformly distributed on the outer wall of the mixing section (3) in a spiral shape by taking the axis of the main body (1) as the axis.

4. The meltblown fabric screw of claim 1, wherein: the salient points are uniformly distributed on the outer wall of the extrusion section (6) in a spiral shape by taking the axis of the main body (1) as the axis.