CN210758325U

CN210758325U - Combined asymmetric honeycomb ceramic extrusion die

Info

Publication number: CN210758325U
Application number: CN202020363468.8U
Authority: CN
Inventors: 李�一; 李顺海; 凡辉; 陈洪; 杨路明
Original assignee: Yunnan Filter Environment Protection S&t Co ltd
Current assignee: Yunnan Filter Environment Protection S&t Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-06-16
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a modular asymmetric honeycomb pottery extrusion tooling, including body, hexagon shaping tooth and triangle-shaped shaping tooth, seted up on the body and supplied the mud hole, hexagon shaping tooth and triangle-shaped shaping tooth are installed and are kept away from the one end that supplies the mud hole at the body, hexagon shaping tooth and triangle-shaped shaping tooth alternate arrangement. The utility model discloses can use traditional wire-electrode cutting method to process, processing cycle is short, with low costs, has very high economic benefits.

Description

Combined asymmetric honeycomb ceramic extrusion die

Technical Field

The utility model belongs to the technical field of the ceramic carrier processing equipment of honeycomb, more specifically the utility model relates to a modular asymmetric ceramic honeycomb extrusion tooling that says so.

Background

The honeycomb product is a net column structure product, is a core component of the automobile exhaust purifier, the particulate filter (DPF) is one of honeycomb ceramic products, the particulate filter (DPF) adopts the wall-flow working principle, PM particles in automobile exhaust can be intercepted in the particulate filter (DPF), and the PM filtering effect is achieved. In recent years, with the emphasis on the quality of ambient air in China, the requirement on automobile exhaust emission is further improved, and in response to the improvement of the environmental requirement, many places at home and abroad begin to reform reused automobiles, and the installation of DPF particulate traps is forcibly required.

The asymmetric die design for producing the particle catcher in China at present mainly takes large and small holes as asymmetry, the die with the design needs an electric spark machining mode for machining due to the structural particularity, the machining period is long, the machining cost is extremely high, the cost of the die is high, and the production cost of the particle catcher is difficult to control due to the substantial improvement of the cost of the die.

Therefore, how to provide a combined asymmetric honeycomb ceramic extrusion die is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a modular asymmetric honeycomb ceramic extrusion tooling can use traditional wire-electrode cutting method to process, and processing cycle is short, with low costs, has very high economic benefits.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a combined asymmetric honeycomb ceramic extrusion die, comprising: the tooth-shaped body comprises a body, hexagonal shaped teeth and triangular shaped teeth, wherein a mud supply hole is formed in the body, the hexagonal shaped teeth and the triangular shaped teeth are arranged at one end, far away from the mud supply hole, of the body, and the hexagonal shaped teeth and the triangular shaped teeth are arranged alternately.

Preferably, the triangular shaped tooth surrounds the hexagonal shaped tooth and is located on one side of each side of the hexagonal shaped tooth.

Preferably, a forming groove is formed between the hexagonal forming tooth and the triangular forming tooth, and the forming groove is communicated with the mud supply hole.

Preferably, the width of the forming groove is set between 0.1mm and 0.5 mm.

Preferably, the diameter of the mud supply hole is between 1mm and 3 mm.

Preferably, the depth of the mud supply hole is not less than 10 mm.

Preferably, the length of the hexagonal shaped tooth is the same as that of the triangular shaped tooth, and is between 2mm and 7 mm.

Preferably, the shape of the hexagonal shaped tooth is a regular hexagon with an internal angle of 120 °.

Preferably, the triangular shaped tooth has a regular triangle shape with an internal angle of 60 °.

The beneficial effects of the utility model reside in that:

the utility model discloses a go out mud tooth and adopt the even hexagon shaping tooth and the design of triangle-shaped shaping tooth of arranging in turn of triangle-hexagon combination formula, final fashioned product is the asymmetric structure honeycomb body of triangle-hexagon arranging in turn, and the asymmetric honeycomb ceramics DPF that extrudes can reach and optimize the backpressure amplification, increases the capacity of regeneration back ash content simultaneously, has prolonged asymmetric honeycomb ceramics DPF's life. Additionally, the utility model discloses the mould can use traditional wire-electrode cutting method to process, and processing cycle is short, with low costs, has very high economic benefits.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is an end view of the asymmetric honeycomb ceramic product of the present invention.

Wherein, in the figure,

1-a mud supply hole; 2-hexagonal shaped teeth; 3-triangularly shaping the teeth; 4-hexagonal holes of the asymmetric honeycomb ceramic finished product; 5-asymmetric honeycomb ceramic finished product triangular holes; 6-body; 7-forming groove.

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.

Referring to fig. 1-4, the present invention provides a combined asymmetric honeycomb ceramic extrusion mold, comprising: body 6, hexagon shaping tooth 2 and triangle-shaped shaping tooth 3 have seted up on the body 6 and have supplied mud hole 1, and hexagon shaping tooth 2 and triangle-shaped shaping tooth 3 are installed and are kept away from the one end that supplies mud hole 1 at body 6, and hexagon shaping tooth 2 and triangle-shaped shaping tooth 3 alternate arrangement. After the honeycomb ceramic pug passes through the extrusion die, the finished product extruded by the extrusion die is composed of an asymmetric honeycomb ceramic finished product hexagonal hole 4 and an asymmetric honeycomb ceramic finished product triangular hole 5 as shown in figure 4, and a triangular-hexagonal asymmetric honeycomb ceramic DPF is formed after the holes are plugged.

Wherein, the hexagonal shaped teeth 2 and the triangular shaped teeth 3 share the mud supply hole 1 in the extrusion process, preferably, 1/2 hexagonal

shaped teeth

2 and 1/2 triangular shaped teeth share one mud supply hole 1 in the extrusion process.

In another embodiment, the triangular shaped teeth 3 surround the hexagonal shaped teeth 2 and are located on one side of each side of the hexagonal shaped teeth 2, so that the hexagonal shaped teeth 2 and the triangular shaped teeth 3 are alternately arranged.

In another embodiment, a forming groove 7 is arranged between the hexagonal forming teeth 2 and the triangular forming teeth 33, the forming groove 7 is communicated with the mud supply hole 1, the width of the forming groove 7 is set between 0.1mm and 0.5mm, and honeycomb ceramic mud can enter the forming groove 7 through the mud supply hole 1. Hexagon shaping tooth 2 and triangle-shaped shaping tooth 3 can use traditional wire-electrode cutting's mode to process, because traditional wire-electrode cutting mode technology is very ripe, the utility model discloses the shaping groove homogeneity is good after the mould processing, and processing cycle is short, the processing cost is very low, and economic benefits is very high.

In another embodiment, in order to ensure the mud discharging speed of the die in the extrusion process, the diameter of the mud supply hole 1 is between 1mm and 3mm, and the depth H of the mud supply hole 1₂Not less than 10mm, and the mud feeding hole 11 can be processed by a traditional drilling machining mode.

In another embodiment, the hexagonal shaped teeth 2 and the triangular shaped teeth 3 are the same length, length H, in order to ensure the quality of the green body formed during the extrusion process₁Between 2mm and 7 mm.

In another embodiment, the shape of the hexagonal shaped tooth 2 is a regular hexagon having an internal angle a of 120 °, and the shape of the triangular shaped tooth 3 is a regular triangle having an internal angle B of 60 °.

The utility model discloses a go out mud tooth and adopt the even hexagon shaping tooth 2 and the 3 designs of triangle-shaped shaping tooth of arranging in turn of triangle-hexagon combination formula, final fashioned product is the asymmetric structure honeycomb body that triangle-hexagon arranged in turn, and the asymmetric honeycomb ceramics DPF that extrudes can reach and optimize the backpressure increase in amplitude, increases the capacity of ash content after regeneration simultaneously, has prolonged asymmetric honeycomb ceramics DPF's life. Additionally, the utility model discloses the mould can use traditional wire-electrode cutting method to process, and processing cycle is short, with low costs, has very high economic benefits.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a modular asymmetric honeycomb ceramic extrusion tooling which characterized in that includes: the tooth-shaped body comprises a body, hexagonal shaped teeth and triangular shaped teeth, wherein a mud supply hole is formed in the body, the hexagonal shaped teeth and the triangular shaped teeth are arranged at one end, far away from the mud supply hole, of the body, and the hexagonal shaped teeth and the triangular shaped teeth are arranged alternately.

2. The combined asymmetric honeycomb ceramic extrusion die of claim 1 wherein the triangular shaped teeth surround the hexagonal shaped teeth on one side of each side of the hexagonal shaped teeth.

3. The combined asymmetric honeycomb ceramic extrusion die as claimed in claim 2, wherein forming grooves are formed between the hexagonal forming teeth and the triangular forming teeth, and the forming grooves are communicated with the mud supply holes.

4. The combined asymmetric honeycomb ceramic extrusion die of claim 3, wherein the width of the forming groove is set between 0.1mm and 0.5 mm.

5. The combined asymmetric honeycomb ceramic extrusion die as claimed in claim 1, wherein the diameter of the mud supply hole is between 1mm and 3 mm.

6. The combined asymmetric honeycomb ceramic extrusion die of claim 5, wherein the depth of the mud supply hole is not less than 10 mm.

7. The combined asymmetric honeycomb ceramic extrusion die as recited in claim 1, wherein the length of the hexagonal shaped teeth and the length of the triangular shaped teeth are the same and are between 2mm and 7 mm.

8. The combined asymmetric honeycomb ceramic extrusion die as claimed in claim 1 or 7, wherein the shape of the hexagonal shaped tooth is a regular hexagon with an internal angle of 120 °.

9. The combined asymmetric honeycomb ceramic extrusion die as claimed in claim 1 or 7, wherein the shape of the triangular shaped tooth is a regular triangle with an internal angle of 60 °.