CN214604957U

CN214604957U - Novel 5G ceramic filter powder dry pressing forming die frame structure

Info

Publication number: CN214604957U
Application number: CN202021220034.9U
Authority: CN
Inventors: 孙健; 王霞
Original assignee: Yangzhou Craftsman Machinery Technology Co ltd
Current assignee: Yangzhou Craftsman Machinery Technology Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-11-05
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to a novel 5G ceramic filter powder dry pressing moulded die frame structure. The device comprises an annular cylinder arranged on a lower floating plate of a die carrier, wherein the annular cylinder consists of a cylinder bearing pad, a cylinder upper end cover, a cylinder body and a cylinder piston; a lower floating punch two-way is arranged and fixed on the cylinder pressure-bearing pad through a lower floating punch two-gland and a lower floating punch two-backing plate; the lower floating punch I is fixed through a lower floating punch I pressing cover and a lower floating punch I backing plate and then connected with the cylinder piston through a linkage rod. The utility model adds a set of floating structure on the common conventional die carrier with a layer of floating die plate to realize the function of consistent filling proportion of blind hole powder with different depths; the utility model discloses it is rational in infrastructure, float under the setting through annular cylinder drives and dash an upward movement to cylinder upper end cap through setting up forms spacingly, can be suitable for the press forming of different filter goods, and the suppression wide range has extremely strong practicality.

Description

Novel 5G ceramic filter powder dry pressing forming die frame structure

Technical Field

The utility model relates to a novel 5G ceramic filter powder dry pressing moulded die frame structure belongs to powder metallurgy equipment manufacturing field.

Background

1. A typical 5G ceramic filter powder dry-pressed product is a rectangular parallelepiped having a thickness of about 53 × 23 and 6, and has a plurality of blind holes with different depths in the front surface; the filter product has higher requirement on the flatness of a finished product, and most of the filter product is limited within 0.05 MM; because the sintering shrinkage rate of the ceramic dry-pressing formed product is larger and is about 18 percent, the density consistency of the formed product directly determines the deformation degree of the sintered product, and because the surface of the subsequent filter needs to be metallized, in order to ensure the adhesive force of the metal layer, the cutting process needs to be avoided as much as possible. Thus, it is determined that it is necessary to ensure the consistency of the density of the molded article; in order to ensure the consistency of the density of a plurality of blind holes with different depths, a die frame with a plurality of layers of floating die plates is required.

2. The unit pressing force of the ceramic product is small, and most of 5G ceramic filter products can be pressed and formed by a 25-ton mechanical forming machine; the common 25-ton mechanical forming machine on the market is difficult to be equipped with a die frame with a plurality of layers of floating die plates due to the compact structure. The mechanical forming machine provided with the multi-layer floating template has larger tonnage and large energy consumption, and if the machine is adopted, the cost is increased, and the economical efficiency is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above difficult point, aim at provides a rational in infrastructure, can improve a novel powder dry pressing moulded die frame structure of powder metallurgy product shaping quality.

Therefore, the utility model adopts the technical scheme that: a novel 5G ceramic filter powder dry pressing forming die frame comprises an annular cylinder (CYL 1) arranged on a floating plate below the die frame, wherein the annular cylinder (CYL 1) consists of a cylinder pressure bearing pad (CYL 11), a cylinder upper end cover (CYL 12), a cylinder body (CYL 13) and a cylinder piston (CYL 14);

a lower floating punch II (M5) is arranged and fixed on the cylinder bearing pad (CYL 11) through a lower floating punch II gland (M51) and a lower floating punch II cushion plate (M52); the lower floating punch I (M4) is fixed by a lower floating punch I gland (M41) and a lower floating punch I backing plate (M42) and then connected with a cylinder piston (CYL14) by a linkage rod (M7).

Further, the cylinder piston (CYL14) is arranged in the cylinder block (CYL 13), and the upper end position of the cylinder piston (CYL14) is limited by the cylinder upper end cover (CYL 12).

Furthermore, a mandrel connecting rod (M62) is arranged in the cylinder piston (CYL14), a mandrel pressing cover (M61) is connected to the mandrel connecting rod (M62), a mandrel (M6) extending out of the annular cylinder (CYL 1) is arranged on the mandrel pressing cover (M61), a lower fixing punch (M3) penetrates into the upper portion of the mandrel (M6), and the lower fixing punch (M3) is connected to the middle connecting template.

Further, the lower fixing punch (M3) is composed of a lower fixing punch cover (M31) and a lower fixing punch backing plate (M32), an upper punch (M1) matched with the lower fixing punch (M3) is arranged at the upper part of the lower fixing punch (M3), the lower fixing punch (M3) and the upper punch (M1) are matched to form a die cavity for pressing a 5G ceramic filter formed product (AM), and the upper punch (M1) is connected to the upper die plate.

Further, a middle die (M2) is arranged on the middle die plate, and the upper punch (M1) penetrates through the middle die (M2).

Furthermore, the upper part of the lower floating plate is sequentially connected with a lower fixed plate and a lower pulling plate.

The utility model has the advantages that: the utility model adds a set of floating structure on the common conventional die carrier with a layer of floating die plate to realize the function of consistent filling proportion of blind hole powder with different depths; the utility model discloses it is rational in infrastructure, float under the setting through annular cylinder drives and dash an upward movement to cylinder upper end cap through setting up forms spacingly, can be suitable for the press forming of different filter goods, and the suppression wide range has extremely strong practicality.

Drawings

FIG. 1 is a schematic view of a 5G ceramic filter mold assembly and forming.

h1 is the bottom thickness of a blind hole formed by floating and punching one (M4) under a 5G ceramic filter formed product (AM); h2 is the bottom thickness of a blind hole formed by floating punching two (M5) under a 5G ceramic filter formed product (AM).

FIG. 2 is a schematic view of a 5G ceramic filter mold assembly and filling.

AM is a 5G ceramic filter forming product, M1 is an upper punch, M2 is a middle die, M3 is a lower fixed punch, M4 is a lower floating punch I, M5 is a lower floating punch II, M6 is a core rod, and M7 is an interlocking rod;

m31 is a lower fixed punch cover, M32 is a lower fixed punch backing plate, M41 is a lower floating punch first press cover, M42 is a lower floating punch first backing plate, M51 is a lower floating punch second press cover, M52 is a lower floating punch second backing plate, M61 is a core rod press cover, M62 is a core rod, CYL11 is a cylinder bearing pad, CYL12 is a cylinder upper cover, CYL13 is a cylinder body, and CYL14 is a cylinder piston.

Detailed Description

A novel 5G ceramic filter powder dry pressing forming die carrier comprises an annular cylinder CYL1 arranged on a floating plate below the die carrier, wherein the annular cylinder CYL1 consists of a cylinder pressure bearing pad CYL11, a cylinder upper end cover CYL12, a cylinder body CYL13 and a cylinder piston CYL 14;

a lower floating punch M5 is fixedly arranged on the cylinder pressure bearing pad CYL11 through a lower floating punch press cover M51 and a lower floating punch backing plate M52; the lower floating punch I4 is fixed by a lower floating punch I gland M41 and a lower floating punch I backing plate M42 and then connected with a cylinder piston CYL14 by a linkage rod M7. Further, the cylinder block CYL13 is internally provided with the cylinder piston CYL14, and the upper end position of the cylinder piston CYL14 is limited by the cylinder upper end cover CYL 12.

Further, a mandrel connecting rod M62 is arranged in the cylinder piston CYL14, a mandrel gland M61 is connected to the mandrel connecting rod M62, a mandrel M6 extending from the annular cylinder CYL1 is arranged on the mandrel gland M61, a lower fixing punch M3 penetrates through the upper portion of the mandrel M6, and the lower fixing punch M3 is connected to the connecting middle template.

Further, the lower fixing punch M3 is composed of a lower fixing punch cover M31 and a lower fixing punch plate M32, an upper punch M1 matched with the lower fixing punch M3 is arranged at the upper part of the lower fixing punch M3, the lower fixing punch M3 and the upper punch M1 are matched to form a die cavity for pressing the 5G ceramic filter forming product AM, and the upper punch M1 is connected to the upper die plate.

Further, an intermediate die M2 is provided on the intermediate die plate, and the upper punch M1 penetrates through the intermediate die M2.

The following is a further explanation of the present invention to better understand the present invention: the utility model discloses constitute an annular cylinder CYL1 by cylinder pressure-bearing pad CYL11, cylinder upper end cap CYL12, cylinder block CYL13, cylinder piston CYL14, the installation of this cylinder is fixed under the die carrier on the floating plate, lower floating dashes two M5 through floating down and dashes two gland M51, float down and dash two backing plates (M52 installation is fixed on cylinder pressure-bearing pad CYL 11; lower floating dashes one and links together through trace M7 and cylinder piston CYL14 after floating down and dashing one gland M41, lower floating and dash backing plate M42 and fix.

The utility model discloses when filling the position, annular cylinder CYL1 lower chamber is ventilated, the piston upwards moves because of the compressed air effect, drive trace M7 and lower float board backing plate M42 as an organic whole of assembling with it, lower float board gland M41, lower float dashes M4 and move upwards in step, stop upwards moving when cylinder piston CYL14 up end contacts the lower plane of cylinder upper end cap CYL12 promptly, the distance accessible of this removal is calculated through powder shaping theory to actual filter product; and then by specifying the length of trace M7.

In fig. 2, the powder molding compression ratio of the 5G ceramic filter molded Article (AM) is set to 2: 1, then theoretically: 1) when the lower floating punch I (M4) is at the filling position, the powder filling amount from the top of the lower floating punch I (M4) to the upper plane of the middle die (M2) is 2h 1;

2) when the lower floating punch II (M5) is at the filling position, the powder filling amount from the top of the lower floating punch II (M5) to the upper plane of the middle die (M2) is 2h 2.

Claims

1. The novel 5G ceramic filter powder dry-pressing forming die frame structure is characterized by comprising an annular cylinder (CYL 1) arranged on a floating plate below a die frame, wherein the annular cylinder (CYL 1) consists of a cylinder pressure bearing pad (CYL 11), a cylinder upper end cover (CYL 12), a cylinder body (CYL 13) and a cylinder piston (CYL 14);

2. The novel 5G ceramic filter powder dry pressing die frame structure as claimed in claim 1, wherein the cylinder block (CYL 13) is internally provided with the cylinder piston (CYL14), and the upper end position of the cylinder piston (CYL14) is limited by the cylinder upper end cover (CYL 12).

3. The novel 5G ceramic filter powder dry pressing die frame structure as claimed in claim 2, wherein a mandrel connecting rod (M62) is arranged in the cylinder piston (CYL14), a mandrel pressing cover (M61) is connected to the mandrel connecting rod (M62), a mandrel (M6) extending out of the annular cylinder (CYL 1) is arranged on the mandrel pressing cover (M61), a lower fixing punch (M3) penetrates through the upper part of the mandrel (M6), and the lower fixing punch (M3) is connected to the connecting middle die plate.

4. The novel dry-pressing forming die frame structure for 5G ceramic filter powder according to claim 3, wherein the lower fixing punch (M3) is composed of a lower fixing punch cover (M31) and a lower fixing punch backing plate (M32), an upper punch (M1) matched with the lower fixing punch (M3) is arranged at the upper part of the lower fixing punch (M3), the lower fixing punch (M3) and the upper punch (M1) are matched to form a die cavity for pressing a 5G ceramic filter formed product (AM), and the upper punch (M1) is connected to the upper die plate.

5. The novel dry-pressing die frame structure for 5G ceramic filter powder as claimed in claim 4, wherein the middle die plate is provided with a middle die (M2), and the upper punch (M1) passes through the middle die (M2).

6. The novel dry pressing mold frame structure for 5G ceramic filter powders as claimed in claim 1, wherein the upper part of the lower floating plate is connected with the lower fixed plate and the lower pulling plate in sequence.