CN215396783U

CN215396783U - Novel pipe die head

Info

Publication number: CN215396783U
Application number: CN202121473983.2U
Authority: CN
Inventors: 李东生
Original assignee: Nanjing Chuangbo Machinery Co ltd
Current assignee: Nanjing Chuangbo Machinery Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-04
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to a novel pipe die head which comprises an inlet flange, an outer sleeve, a sliding sleeve and a mouth die, wherein one side of the outer sleeve is fixedly connected with the inlet flange through a screw, the other side of the outer sleeve is movably connected with the sliding sleeve through an adjusting assembly, a basket filter is arranged in an inner cavity of the outer sleeve, filter holes are uniformly formed in the outer part of the middle part of the basket filter, a shunting cone is fixedly connected to one side, close to the inlet flange, of the inner part of the basket filter, a core rod is fixed to one side, away from the shunting cone, of the basket filter, the outer part of the sliding sleeve is in threaded connection with the mouth die through a locking nut, and the inlet flange, the shunting cone, the basket filter, the outer sleeve, the core rod, the sliding sleeve and the mouth die are coaxially arranged respectively. The utility model meets the requirements of uniform surface thickness of the foamed product and fine-adjustable plastic thickness, can be completed by adopting one machine head, and has the advantages of simple automatic melt conveying, simpler operation and high working efficiency.

Description

Novel pipe die head

Technical Field

The utility model relates to the technical field of PP plastic foaming, in particular to a novel pipe die head.

Background

The pipe die foaming is a technology in producing an extrusion foaming pipe, and a foaming product is firstly shaped and extruded through a machine head from an extruder to the product. In the all very various aircraft nose structures of present form and structure, some aircraft noses can only satisfy the foaming goods surface thickness even, and some aircraft noses can be on-line the plastics thickness of fine setting output, if will satisfy the foaming goods surface thickness even and will satisfy fine setting plastics thickness again, need a plurality of aircraft noses to produce according to the flow and make PP pipe, and a plurality of aircraft nose equipment take up an area of the space greatly, and the operation is more troublesome, and work efficiency is also low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel pipe die head to solve the problems in the prior art.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a novel pipe die aircraft nose, includes entry flange, overcoat, sliding sleeve and bush, screw and entry flange fixed connection are passed through to one side of overcoat, the opposite side of overcoat is through adjustment subassembly and sliding sleeve swing joint, install basket filter in the inner chamber of overcoat, the filter pores have evenly been seted up to basket filter's middle part outside, basket filter's inside is close to one side fixedly connected with spreader cone of entry flange, basket filter deviates from one side of spreader cone is fixed with the plug, the outside and the bush of sliding sleeve pass through lock nut threaded connection, entry flange, spreader cone, basket filter, overcoat, plug, sliding sleeve, bush are coaxial setting respectively.

In the above scheme, a flow blocking dam is arranged on the periphery of the mandrel, and the flow blocking dam is positioned on one side close to the basket filter.

In the above scheme, the outer side of the outer sleeve is provided with a first heating ring, the outer wall of one side of the sliding sleeve, which is close to the outer sleeve, is provided with a second heating ring, and the outer wall of one side of the sliding sleeve, which is close to the neck mold, is provided with a third heating ring.

In the scheme, the graphite gasket is arranged at the joint of the outer sleeve and the sliding sleeve, and the outer side of the graphite gasket is sealed through the compression ring.

Compared with the prior art, the utility model has the beneficial effects that: through installing basket filter additional in the aircraft nose, the filter pores have evenly been seted up to basket filter's middle part outside, have filtered thicker plastic melt, have increased the inside homogeneity of plastic foaming fuse-element, pass through adjustment subassembly and sliding sleeve swing joint with the opposite side of overcoat, and the sliding sleeve can twist the line fine setting soon through the adjustment subassembly, guarantees the foaming product production thickness, makes it more even. The thickness of the surface of the foaming product is uniform, the thickness of the plastic can be finely adjusted, the process can be completed by one machine head, the melt is automatically conveyed simply, the operation is simpler, and the working efficiency is high.

Drawings

The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a schematic view of the internal structure of the present invention;

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

FIG. 3 is a schematic side view of the present invention;

reference numbers in the figures: 1-an inlet flange; 2-a spreader cone; 3-basket filters; 4-coating; 5-core rod; 6-graphite gaskets; 7-a compression ring; 8-adjusting the assembly; 9-a sliding sleeve; 10-die; 11-a lock nut; 12-a first heating coil; 13-a second heating coil; 14-third heating loop.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described in detail with reference to the attached drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution to which the present invention relates.

According to the technical scheme of the utility model, a plurality of alternative structural modes and implementation modes can be provided by a person with ordinary skill in the art without changing the essential spirit of the utility model. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.

The technical solution of the present invention is further described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 3, a novel pipe die head comprises an inlet flange 1, an outer sleeve 4, a sliding sleeve 9 and a die 10, wherein one side of the outer sleeve 4 is fixedly connected with the inlet flange 1 through screws, and the inlet flange 1 is used for butting an extrusion port of an extruder or an output port of a foaming machine. The other side of the outer sleeve 4 is movably connected with the sliding sleeve 9 through the adjusting component 8, and the sliding sleeve 9 can be finely adjusted on a screwing line through the adjusting component 8, so that the production thickness of the foaming product is ensured, and the foaming product is more uniform. The adjustment assembly 8 may be an existing bolt stud that is screwed to change the spacing between the outer sleeve 4 and the sliding sleeve 9.

Still be equipped with graphite gasket 6 in the junction of overcoat 4 and sliding sleeve 9 to seal through clamp ring 7 to the outside of graphite gasket 6, graphite gasket 6 and clamp ring 7 have guaranteed that sliding sleeve 9 removes the in-process PP plastic foam goods of adjusting and can not reveal. A notch can be formed in the end portion of the inner cavity of the outer sleeve 4, the graphite gasket 6 is installed in the notch, and finally the graphite gasket is sealed through the compression ring 7, and the compression ring 7 is fixed to the end portion of the outer sleeve 4.

The basket filter 3 is arranged in the inner cavity of the outer sleeve 4, the filtering holes are uniformly formed in the outer part of the middle part of the basket filter 3, thick plastic melt is filtered, and the uniformity of the inner part of the plastic foaming melt is improved. One side of the interior of the basket filter 3 close to the inlet flange 1 is fixedly connected with a shunting cone 2 for shunting the plastic melt at the inlet. One side of the basket filter 3 departing from the spreader cone 2 is fixed with a core rod 5, and the flow is guided to an inner groove of the sliding sleeve 9 through the core rod 5, so that a PP plastic foaming product is conveniently output.

Furthermore, a flow blocking dam is arranged on the periphery of the core rod 5 and is positioned on one side close to the basket filter 3, so that the pressure of the plastic melt passing through the basket filter 3 is built again, the uniformity of the melt is improved, and the rapid output is facilitated.

The neck ring mold 10 is used for outputting extruded PP plastic pipes, the outer portion of the sliding sleeve 9 is in threaded connection with the neck ring mold 10 through a locking nut 11, the neck ring mold 10 is close to the locking nut 11 to adjust the gap between the neck ring mold and the sliding sleeve 9, the thickness of a product can be adjusted finally through screwing the locking nut 11, and the thickness of the product can be adjusted generally by 1-3 mm.

Certainly, in the above scheme, the inlet flange 1, the splitter cone 2, the basket filter 3, the outer sleeve 4, the core rod 5, the sliding sleeve 9 and the neck mold 10 are respectively coaxially arranged and are all on the same central output axis, so that the plastic melt is conveniently conveyed.

As a preferable scheme, a first heating ring 12 is arranged on the outer side of the outer sleeve 4, a second heating ring 13 is arranged on the outer wall of the sliding sleeve 9 close to the outer sleeve 4, a third heating ring 14 is arranged on the outer wall of the sliding sleeve 9 close to the neck mold 10, and each heating ring has a heat preservation function, so that the plastic melt in the head still has flowing heat in the extrusion flowing process, solidification hardening cannot occur, and the plastic melt is convenient to output from the neck mold 10.

According to the utility model, the basket filter 3 is additionally arranged in the machine head, the filtering holes are uniformly formed in the outer part of the middle part of the basket filter 3, a thicker plastic melt is filtered, the uniformity in the plastic foaming melt is increased, the other side of the outer sleeve 4 is movably connected with the sliding sleeve 9 through the adjusting component 8, and the sliding sleeve 9 can be finely adjusted on a screwing line through the adjusting component 8, so that the production thickness of a foaming product is ensured, and the foaming product is more uniform. The thickness of the surface of the foaming product is uniform, the thickness of the plastic can be finely adjusted, the process can be completed by one machine head, the melt is automatically conveyed simply, the operation is simpler, and the working efficiency is high.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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, method, article, or apparatus.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A novel pipe die aircraft nose, its characterized in that: the filter comprises an inlet flange (1), an outer sleeve (4), a sliding sleeve (9) and an opening die (10), wherein one side of the outer sleeve (4) is fixedly connected with the inlet flange (1) through a screw, the other side of the outer sleeve (4) is movably connected with the sliding sleeve (9) through an adjusting component (8), a basket filter (3) is installed in an inner cavity of the outer sleeve (4), filter holes are uniformly formed in the outer part of the middle of the basket filter (3), one side, close to the inlet flange (1), of the inner part of the basket filter (3) is fixedly connected with a spreader cone (2), one side, deviating from the spreader cone (2), of the basket filter (3) is fixedly provided with a core rod (5), the outer part of the sliding sleeve (9) is in threaded connection with the opening die (10) through a locking nut (11), and the inlet flange (1), the spreader cone (2), the basket filter (3) and the opening die (1) are connected through threads, The outer sleeve (4), the core rod (5), the sliding sleeve (9) and the mouth mold (10) are respectively and coaxially arranged.

2. The novel tube die head as claimed in claim 1, wherein: and a flow blocking dam is arranged on the periphery of the core rod (5), and is positioned on one side close to the basket filter (3).

3. The novel tube die head as claimed in claim 1, wherein: the outer side of the outer sleeve (4) is provided with a first heating ring (12), the sliding sleeve (9) is close to the outer wall of one side of the outer sleeve (4) and is provided with a second heating ring (13), and the sliding sleeve (9) is close to the outer wall of one side of the neck mold (10) and is provided with a third heating ring (14).

4. The novel tube die head as claimed in claim 1, wherein: and a graphite gasket (6) is arranged at the joint of the outer sleeve (4) and the sliding sleeve (9), and the outer side of the graphite gasket (6) is sealed by a compression ring (7).