CN219028421U

CN219028421U - Die head with efficient heat preservation and heat insulation functions

Info

Publication number: CN219028421U
Application number: CN202223044352.6U
Authority: CN
Inventors: 董卫龙; 顾飚; 郭付远; 黄志成
Original assignee: Changzhou Shunxiang New Material Technology Co ltd
Current assignee: Changzhou Shunxiang New Material Technology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-05-16
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to the technical field of granulator dies, in particular to a die with efficient heat preservation and heat insulation functions, which comprises a die body, wherein a runner and a die hole are respectively formed in the die body, and the runner and the die hole are in a group, and are in fifteen groups which are arrayed circumferentially. Through setting up the adhesive linkage at the inner wall in runner and die head hole to set up integrative formation type ceramic rod structure in the adhesive linkage, set up the through-hole in the ceramic rod simultaneously, avoided because the die head heat conduction of metal material can make the too fast cooling of runner and the inside fuse-element in die head hole, and then improved the homogeneity of material production, guaranteed the quality of product, through setting up cone form structure's slope water conservancy diversion face at runner and die head hole junction part, improved the smoothness that the fuse-element flowed into the die head hole from the runner, and then improved the flow shaping efficiency of runner and die head hole to the fuse-element on the die head for the granulator.

Description

Die head with efficient heat preservation and heat insulation functions

Technical Field

The utility model relates to the technical field of granulator dies, in particular to a die with efficient heat preservation and heat insulation functions.

Background

The plastic is an indispensable material in the life and industry of people, along with the increasing of the demand, the situation that raw materials of refined plastic are increasingly lacking is solved, and many enterprises and individuals purchase waste plastic for reproduction and reuse, wherein a plastic granulator is equipment for reproduction and recycling of waste plastic.

For example, chinese patent publication No. CN203957197U discloses a plastic granulator, which comprises a hydraulic motor, a seat frame, a keel frame and a feed hopper, wherein the hydraulic motor is mounted on the seat frame, the left side of the hydraulic motor is provided with a hydraulic oil inlet, the feed hopper is in an inverted cone shape, the hydraulic motor is connected with a rotating shaft through a connecting shaft, an extrusion cylinder and a plasticizing cylinder are sequentially arranged on the rotating shaft from left to right, the right end of the rotating shaft is connected with an extrusion die head, and the extrusion cylinder and the plasticizing cylinder are connected through a flange; a feed hopper is arranged at the top end of the extrusion charging barrel close to the left side, and a plurality of conical spiral blades I and spirals She Er are respectively arranged in the extrusion charging barrel and the plasticizing charging barrel; the diameter of the extrusion charging barrel is sequentially reduced from left to right, the diameter of the first spiral blade is equal to the diameter of the extrusion charging barrel corresponding to the position of the first spiral blade, a water outlet hole is formed in the peripheral wall of the extrusion charging barrel, a water tank collecting hopper is arranged on the upper cover of the extrusion charging barrel, the water tank collecting hopper is connected with a drain pipe, a group of electromagnetic heating coils uniformly encircle the outer wall of the plasticizing charging barrel, and the bottom ends of the hydraulic motor, the extrusion charging barrel and the plasticizing charging barrel are fixed on a keel frame through fixing pieces.

The plastic granulator specifically uses the principle that a hydraulic motor is started to feed cleaned plastic from a feed hopper, then the plastic is rotated by a rotating shaft in a material extruding cylinder to drive a spiral blade to extrude water in a rotating mode, and the extruded water flows out of a water outlet hole and then falls into a water tank collecting hopper and is discharged through a drain pipe. And then the plastic is conveyed into a plasticizing charging barrel through a first spiral blade for plasticizing, and an electromagnetic heating coil surrounding the outer wall of the plasticizing charging barrel is used for rapidly improving the plasticizing temperature. And after plasticizing, feeding the mixture into an extrusion die head for wiredrawing.

As is known from the solutions disclosed in the above-mentioned prior patent documents, the die head is one of the main components of the granulator, and the quality of the product is directly affected by the structural quality of the die head, the aperture of each flow passage inside the die head, the uniformity of heat quantity of each hole and whether defects exist inside each hole;

at present, the die holes in the die head are processed by adopting a slow wire feeding process, each die hole in the die head is uneven, the die holes in the metal are sensitive to water temperature, and the die head is internally provided with a runner matched with each die hole;

in addition, because the connection part of the runner and the die hole is at most ninety degrees, the smoothness of the melt flowing into the die hole from the runner is lower, and the flow molding efficiency of the runner and the die hole on the die for the granulator to the melt is reduced.

The above problems are in urgent need for improvement.

Disclosure of Invention

The utility model aims to provide a die head with high-efficiency heat preservation and heat insulation functions, which solves the problems that in the prior art, the flow channel and the melt in the die head hole are cooled too quickly due to the heat conduction of the die head made of metal materials, so that the quality of products is affected by uneven material production, and the flow forming efficiency of the flow channel and the die head hole on the die head for a granulator to the melt is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a die head with high-efficient heat preservation, thermal-insulated function, includes the die head body, runner and die head hole have been seted up respectively on the die head body, runner and die head hole are a set of, totally are fifteen groups of circumference range.

Preferably, all be provided with the adhesive linkage on the inner chamber wall of runner and die head hole, runner and die head hole pass through the adhesive linkage bonding and are provided with the ceramic rod, have avoided because the die head body heat conduction of metal material can make the too fast cooling of runner and the inside fuse-element in die head hole soon, and then improved the homogeneity of material production, guaranteed the quality of product.

Preferably, the bonding layer is a wear-resistant ceramic glue structure coating, is special adhesive for bonding the ceramic rod and the metal, can stably bond the ceramic rod on the inner walls of the upper flow passage and the die hole of the die head body made of metal, and has high temperature resistance and high bonding stability.

Preferably, the ceramic rod is provided with a through hole, and the through hole is matched with the inner cavity of the cone of the inclined flow guide surface, so that the melt in a high temperature state can smoothly pass through the through hole on the ceramic rod.

Preferably, the ceramic rod is of a zirconia and alumina powder mixed gel casting integrated structure, has excellent high-efficiency heat insulation performance, high-temperature resistance of a body and long service life.

Preferably, the connecting part of the runner and the die head hole is provided with an inclined guide surface, and the inclined guide surface and the through hole are integrally matched with a cone inner cavity, so that the flow forming efficiency of the runner and the die head hole on the die head body for the granulator to melt is improved.

Preferably, the included angle between the inclined flow guide surface and the horizontal plane is thirty degrees, so that the smoothness of the melt flowing into the die head hole from the flow passage is improved.

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

1. according to the utility model, the bonding layer is arranged on the inner walls of the flow channel and the die head hole, the integrated ceramic rod structure is arranged in the bonding layer, and meanwhile, the through holes are arranged in the ceramic rod, so that the melt in the flow channel and the die head hole is prevented from being cooled too fast due to the fast heat conduction of the die head made of metal materials, the uniformity of material production is further improved, and the quality of products is ensured.

2. According to the utility model, the inclined guide surface with the cone-shaped structure is arranged at the connecting part of the runner and the die head hole, so that the smoothness of the melt flowing into the die head hole from the runner is improved, and the flow forming efficiency of the runner and the die head hole on the die head for the granulator to the melt is further improved.

Drawings

FIG. 1 is a perspective view of a first view of the overall structure of the present utility model;

FIG. 2 is a rear elevational view of the overall structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is a cross-sectional view of FIG. 2 A-A in accordance with the present utility model;

FIG. 4 is a schematic perspective view of the ceramic rod with through holes of FIG. 3 according to the present utility model;

fig. 5 is a second perspective view of the overall structure of the present utility model.

In the figure: 1 die head body, 2 flow channels, 3 die head holes, 4 ceramic rods, 41 through holes, 5 bonding layers and 6 inclined flow guide surfaces.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 5, a die head with efficient heat preservation and heat insulation functions in the drawings comprises a die head body 1, wherein a flow channel 2 and a die head hole 3 are respectively formed in the die head body 1, the flow channel 2 and the die head hole 3 are in a group, and are in fifteen groups which are arranged circumferentially in total.

The die head body 1 is integrally made of alloy steel metal, and has high strength and durability.

The inner cavity wall surfaces of the runner 2 and the die head hole 3 are provided with the bonding layer 5, the runner 2 and the die head hole 3 are bonded and provided with the ceramic rod 4 through the bonding layer 5, the fact that the heat conduction of the die head body 1 made of metal materials is fast, the runner 2 and the melt inside the die head hole 3 are cooled too fast is avoided, the uniformity of material production is improved, and the quality of products is guaranteed.

The bonding layer 5 is a wear-resistant ceramic adhesive structural coating, is special adhesive for bonding the ceramic rod 4 and metal, and can stably bond the ceramic rod 4 on the inner walls of the runner 2 and the die hole 3 on the die body 1 made of metal, and has high temperature resistance and high bonding stability.

The ceramic rod 4 is provided with a through hole 41, and the through hole 41 is matched with the cone inner cavity of the inclined guide surface 6, so that the melt in a high temperature state can smoothly pass through the through hole 41 on the ceramic rod 4.

The ceramic rod 4 is of an integrated structure of zirconia and alumina powder mixed gel casting, has excellent high-efficiency heat preservation and insulation, and has high-temperature resistance and long service life.

The connection part of the runner 2 and the die head hole 3 is provided with an inclined guide surface 6, the inclined guide surface 6 and the through hole 41 are integrally matched with a cone inner cavity, and the flow forming efficiency of the runner 2 and the die head hole 3 on the die head body 1 for the granulator to melt is improved.

The inclined flow guide surface 6 forms an included angle of thirty degrees with the horizontal plane, so that the smoothness of the melt flowing into the die head hole 3 from the flow channel 2 is improved.

When used in this embodiment: firstly, uniformly coating an adhesive layer 5 on the inner walls of a runner 2 and a die head hole 3, then, referring to figure 3, inserting an integrally formed ceramic rod 4 into the runner 2 and the die head hole 3 from left to right until the outer wall surface of the ceramic rod 4 is stably adhered with the adhesive layer 5,

at this time, the extrusion molding of plastic raw materials can be performed by using the granulator equipment, and the melt in a high temperature state can respectively pass through the through holes 41 of the ceramic rod 4 which are integrally formed in the runner 2 and the die head hole 3, so that the heat conduction of the die head body 1 made of metal materials can be avoided, the melt in the runner 2 and the die head hole 3 can be cooled too fast, the uniformity of material production is improved, and the quality of products is ensured.

In addition, when the melt in a high temperature state flows into the die hole 3 through the runner 2, the inclined flow guide surface 6 arranged at the connecting part of the runner 2 and the die hole 3 improves the smoothness of the melt flowing into the die hole 3 from the runner 2, and further improves the flow forming efficiency of the runner 2 and the die hole 3 on the die body 1 for the granulator for the melt.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a die head with high-efficient heat preservation, thermal-insulated function which characterized in that includes:

the novel ceramic die comprises a die head body (1), wherein a runner (2) and a die head hole (3) are respectively formed in the die head body (1), the runner (2) and the die head hole (3) are in a group, fifteen groups which are arranged circumferentially in total, an adhesive layer (5) is arranged on the inner cavity wall surface of the runner (2) and the die head hole (3), a ceramic rod (4) is adhered to the runner (2) and the die head hole (3) through the adhesive layer (5), the adhesive layer (5) is a wear-resistant ceramic structure coating, a through hole (41) is formed in the ceramic rod (4), and an inclined guide surface (6) is arranged at the connecting part of the runner (2) and the die head hole (3), and the inclined guide surface (6) forms a thirty-degree angle with the horizontal plane.