CN218505178U

CN218505178U - Novel thermal-insulated strip section bar extrusion tooling that wears

Info

Publication number: CN218505178U
Application number: CN202222492642.0U
Authority: CN
Inventors: 宋成波
Original assignee: Ningxia Shide New Building Materials Co ltd
Current assignee: Ningxia Shide New Building Materials Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-02-21
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a novel thermal-insulated section bar extrusion tooling that wears, including the mould body, turn right from a left side and set gradually material compression chamber, heating chamber and conduction chamber, material compression chamber sets up in the feed end of mould body, and the conduction chamber sets up in the discharge end of mould body, and the terminal surface mounting flange dish outside the conduction chamber, install four chamber die heads on the ring flange, the utility model discloses structural design is novel, sets up the conduction chamber at the mould body discharge end, makes the material receive more vigorous extrusion at the exit end, makes surface gloss degree further improve, and product property can be more stable, and production efficiency has improved 5-6 times, and the heat insulating strip of production accords with engineering technical requirements such as high elasticity, tensile strength are big, corrosion resistance, wear-resisting of bridge cut-off aluminium door and window wearing strip material.

Description

Novel thermal-insulated strip section bar extrusion tooling that wears

Technical Field

The utility model relates to a section bar extrusion tooling technical field specifically is a novel thermal-insulated strip section bar extrusion tooling that wears.

Background

The 'bridge cut-off' of the aluminum alloy bridge cut-off building material for doors and windows in the existing building market is a heat insulation penetrating strip. The heat insulation penetrating strip is made of PA (polyamide material, commonly called nylon) or PVC (polyvinyl chloride) material. Limited by price and material processing factors, the market demand of heat-insulating strip-penetrating PA material is weakened. The continuous improvement and maturity of the production technology of the PVC heat insulation penetrating strip, the market preference of the PVC heat insulation penetrating strip is gradually accepted.

The traditional PVC heat insulation penetrating strip production mold is designed into a cold extrusion dry shaping structure. The traction speed is only 0.6 m/min in normal production due to the limitation of the design structure of the mould. According to the production efficiency of general section bar, the optimum design is that the traction speed is at least 2.5-4.0 m. Obviously, a 0.6 m/s draw speed of the mold is not satisfactory for mass production.

In addition, the production process of the PVC heat insulation bar-penetrating 'cold extrusion dry shaping' structure mould is not easy to control, so that the production is extremely unstable, the bar-penetrating material is integrally crisp, and the flexibility of the product is low. It does not meet the engineering technical requirements that the heat insulation strip must have high elasticity, high tensile strength, corrosion resistance, wear resistance and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel thermal-insulated strip section bar extrusion tooling of wearing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel thermal-insulated strip section bar extrusion tooling, includes the mould body, the mould body sets gradually material compression chamber, heating chamber and conduction chamber from a left side to right, material compression chamber sets up in the feed end of mould body, the conduction chamber sets up in the discharge end of mould body, the outer terminal surface mounting flange dish in conduction chamber, install four chamber die heads on the ring flange.

Preferably, the application provides a novel thermal-insulated strip section bar extrusion tooling that wears, wherein, the diameter of material compression chamber feeding department to ejection of compact department reduces in proper order.

Preferably, the novel heat insulation penetrating bar profile extrusion die provided by the application is characterized in that the length of the conduction cavity is 30-32 mm.

Preferably, the application provides a novel thermal-insulated strip section bar extrusion tooling that wears, wherein, the ring flange includes the disk body, disk body circumference array is provided with a plurality of screws, the disk body center sets up a plurality of die head fixed slots.

Preferably, the application provides a novel thermal-insulated strip section bar extrusion tooling, wherein, four chamber die heads are ring structure, four chamber die head centers set up in the die head arch of die head fixed slot looks adaptation.

Preferably, the novel heat-insulating penetrating bar profile extrusion die provided by the application is characterized in that the heating cavity is 90-100 mm in length.

Preferably, the novel heat-insulating penetrating strip profile extrusion die provided by the application has the advantages that the overall length of the die body is 185-190 mm.

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

(1) The utility model discloses structural design is novel, sets up the conduction chamber at mould body discharge end, makes the material receive more vigorous extrusion at the exit end, makes the surface gloss degree further improve, and product property can be more stable, and production efficiency has improved 5-6 times, and the heat insulating strip of production accords with engineering technical requirements such as high elasticity, tensile strength are big, corrosion resistant, wear-resisting of bridge cut-off aluminium door and window wearing strip material.

(2) The utility model discloses in, do not have heating device in the long conduction section design of die head exit end 30mm, utilize "mould heating section" 195 ℃ of process temperature heat through "conduction section" natural conduction, the straight section of die head has extended 30mm again simultaneously, through the change of two above-mentioned structural parameter, makes the material receive more vigorous extrusion at the exit end, makes the surface gloss degree further improve, and product property can be more stable.

(3) The utility model discloses a cooling water tank mode utilizes the cooling water to come out the plastify through the die head but already

And cooling the micro-formed penetrating strip by a refrigerant. Under the condition of no negative pressure, the four penetrating bars are gradually cooled in the cooling water tank without resistance, and are synchronously pulled, simultaneously fed and discharged, and the external dimensions of the four penetrating bars are consistent and meet the design requirements. Meanwhile, the production is carried out in a wet shaping mode, the pulling speed can reach 3.0 m/min, and the pulling speed is improved by 5-6 times compared with that of the traditional die.

Drawings

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

FIG. 2 is a schematic diagram of a prior art structure;

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

FIG. 4 is a schematic structural view of a four-cavity die head of the present invention;

in the figure: the die comprises a die body 1, a material compression cavity 2, a heating cavity 3, a conduction cavity 4, a flange plate 5, a four-cavity die head 6, a plate body 7, a screw hole 8, a die head fixing groove 9 and a die head protrusion 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to 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" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be 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 in specific cases to those skilled in the art.

Referring to fig. 1, 3 and 4, the present invention provides a technical solution: the utility model provides a novel thermal-insulated strip section bar extrusion tooling, includes mould body 1, and the whole length of mould body 1 is 185mm-190mm, mould body 1 turns right from a left side and sets gradually material compression chamber 2, heating chamber 3 and conduction chamber 4, and the length in conduction chamber 4 is 30mm-32mm, and the length in heating chamber 3 is 90mm-100mm, material compression chamber 2 sets up in the feed end of mould body 1, conduction chamber 4 sets up in the discharge end of mould body 1, the outer end face mounting flange dish 5 in conduction chamber 4, installation four-chamber die head 6 on the flange dish 5.

The utility model discloses in, 2 feeding departments of material compression chamber reduce in proper order to the diameter of ejection of compact department, adopt this structure, can evenly compress the material.

The utility model discloses in, ring flange 5 includes

disk body

7, 7 circumference arrays of disk body are provided with a plurality of screws 8, 7 centers of disk body set up a plurality of die head fixed slots 9.

The utility model discloses in, four chamber die heads 6 are the loop configuration, four chamber die heads 6 centers set up in the die head arch 10 of die head fixed slot looks adaptation.

As shown in fig. 2, in the prior art, a material plasticized by an extruder is pushed by a screw to enter a "compression cavity" of a mold for pressurizing and homogenizing, then the material is heated by a "heating section" of the mold for further plasticizing and curing, and then enters a "four-cavity die head" through a flange structure of the four-cavity mold to complete molding of the shape of a "parting strip" according to the designed shape functional size of a molding strip. The formed heat insulation penetrating strip is drawn in a forming box body by a drawing device and is cooled by air self-heating, namely, the finished product is prepared by dry forming.

The utility model discloses in, the material after the extruder plastify is pushed by the screw rod and is pushed "compression chamber" pressure boost homogenization that gets into the mould, and the raw materials is further plastify, the curing through mould "heating section" heating again, the utility model discloses a long straight "mould conduction section" of one section 30mm will "heat the temperature of section" and further conduct, and make the material boost once more at the exit end, and the back enters into "four chamber die heads" through the ring flange structure of four chamber moulds again, accomplishes the type of moulding of "parting bead" appearance according to the layering appearance function size of design. The 'formed' heat insulation penetrating strip is drawn by a drawing device, cooled and formed by cooling water in a forming box filled with cooling water, namely wet forming, and finally a finished product is manufactured.

The utility model discloses a coolant tank mode utilizes the cooling water to come out the plastify through the die head but the strip of wearing of "stereotyping" carries out the refrigerant cooling. Under the condition of no negative pressure, the four penetrating bars are gradually cooled in the cooling water tank without resistance, and are synchronously pulled, simultaneously fed and discharged, and the external dimensions of the four penetrating bars are consistent and meet the design requirements. Meanwhile, the production is carried out in a wet shaping mode, the pulling speed can reach 3.0 m/min, and the pulling speed is improved by 5-6 times compared with that of the traditional die.

To sum up, the utility model discloses structural design is novel, sets up the conduction chamber at mould body discharge end, makes the material receive more vigorous extrusion at the exit end, makes the surface gloss degree further improve, and product property can be more stable, and production efficiency has improved 5-6 times, and the heat insulating strip of production accords with engineering technical requirement such as high elasticity, tensile strength are big, corrosion resistant, wear-resisting of bridge cut-off aluminium door and window wearing strip material.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel thermal-insulated strip section bar extrusion tooling that wears, includes mould body (1), its characterized in that: mould body (1) turns right from a left side and sets gradually material compression chamber (2), heating chamber (3) and conduction chamber (4), material compression chamber (2) set up in the feed end of mould body (1), conduction chamber (4) set up in the discharge end of mould body (1), the outer end-mounting ring flange (5) of conduction chamber (4), four chamber die heads (6) of installation on ring flange (5).

2. The novel heat insulation penetrating strip profile extrusion die as claimed in claim 1, wherein: the diameters of the material compression cavity (2) from the feeding part to the discharging part are sequentially reduced.

3. The novel heat insulation penetrating strip profile extrusion die as claimed in claim 1, wherein: the length of the conduction cavity (4) is 30-32 mm.

4. The novel heat insulation penetrating strip profile extrusion die as claimed in claim 1, wherein: the flange plate (5) comprises a plate body (7), a plurality of screw holes (8) are formed in the circumferential array of the plate body (7), and a plurality of die head fixing grooves (9) are formed in the center of the plate body (7).

5. The novel heat insulation penetrating strip profile extrusion die as claimed in claim 1, wherein: the four-cavity die head (6) is of an annular structure, and the center of the four-cavity die head (6) is arranged on a die head bulge (10) matched with the die head fixing groove.

6. The novel heat insulation penetrating strip profile extrusion die as claimed in claim 1, wherein: the length of the heating cavity (3) is 90mm-100mm.

7. The novel heat insulation penetrating strip profile extrusion die as claimed in claim 1, wherein: the overall length of the die body (1) is 185-190 mm.