CN215881983U

CN215881983U - Forming die applied to isostatic pressing

Info

Publication number: CN215881983U
Application number: CN202121847494.9U
Authority: CN
Inventors: 窦钦宝; 于坤; 廖虎
Original assignee: Shandong Yida New Material Co ltd
Current assignee: Shandong Yida New Material Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-02-22
Anticipated expiration: 2031-08-09

Abstract

The utility model belongs to the technical field of forming dies, and particularly discloses a forming die applied to isostatic pressing, which comprises a die holder, wherein a rubber filling column is fixedly arranged inside the die holder, the rubber filling column is vertically provided with a plurality of die cavities along the circumferential direction, the upper end of the die holder is attached with a die cover, the inner wall of the die cover is fixedly penetrated with a guide pipe at the position corresponding to the die cavities, the outer walls of the guide pipes are fixedly sleeved with a guide cylinder together, the bottom end inside the guide cylinder is fixedly connected with a round block, the outer wall of the upper end of the round block is provided with four arc-shaped grooves in an annular array around the center, and the inner walls of the four arc-shaped grooves are provided with hole grooves respectively. Meanwhile, the ceramic raw material cannot be scattered when being filled.

Description

Forming die applied to isostatic pressing

Technical Field

The utility model belongs to the technical field of forming dies, and particularly discloses a forming die applied to isostatic pressing.

Background

The isostatic pressing is that the granulated porcelain is added into a mould, the material of the mould is generally plastic or rubber with certain elasticity, the mould is applied with even pressure of tens to hundreds of megapascals in each direction in an isostatic press, the granulated porcelain in the mould is compacted and formed, the isostatic pressing method comprises two types of cold isostatic pressing and hot isostatic pressing, the cold isostatic pressing is divided into a wet type and a dry type, the cold isostatic pressing mode adopted in China is mostly the wet type, and the isostatic pressing working principle is as follows: the pressure intensity of a medium (liquid or gas) in the closed container can be transmitted to all directions equally, an isostatic pressing die usually consists of a die holder and a die cover, when a plurality of ceramic rods are formed, workers need to sequentially fill a plurality of die cavities, then knock the die holder to compact ceramic raw materials in the die cavities, and finally fill the die cavities, so that a large amount of time can be consumed in the process, the ceramic raw materials are easy to spill, and the manufacturing efficiency of the ceramic rods is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a forming mold for isostatic pressing, which solves the problems of the prior art.

In order to achieve the above purpose, the utility model provides a forming die applied to isostatic pressing, which comprises a die holder, wherein a rubber filling column is fixedly installed inside the die holder, a plurality of die cavities are vertically formed in the rubber filling column along the circumferential direction, a die cover is attached to the upper end of the die holder, guide pipes are fixedly penetrated through the inner wall of the die cover corresponding to the die cavities, guide cylinders are fixedly sleeved on the outer walls of the guide pipes together, a round block is fixedly connected to the bottom end inside the guide cylinders, four arc-shaped grooves are formed in the outer wall of the upper end of the round block around the central annular array of the round block, hole grooves are formed in the inner walls of the four arc-shaped grooves, the four hole grooves correspond to the four guide pipes respectively, sealing elements are arranged at the upper ends of the guide cylinders, and positioning elements are arranged between the die cover and the die holder.

Preferably, the sealing element comprises a sealing block, the sealing block is slidably inserted into the guide cylinder, and the sealing block is T-shaped.

Preferably, the positioning element comprises a first stop block, a second stop block and a positioning block, the first stop block and the second stop block are fixedly connected to the edge of the upper portion of the outer wall of the die holder, the positioning block is fixedly connected to the outer wall of the lower end of the die cover, the positioning block is located between the first stop block and the second stop block, the positioning block is slidably attached to the outer wall of the die holder, and the positioning block and the second stop block are attached to each other.

Preferably, the outer wall of the die cover is fixedly connected with a plurality of bumps, and the bumps are distributed around the center of the die cover in an annular array.

Preferably, the sealing block is made of a polytetrafluoroethylene material.

Preferably, an integrally formed structure is arranged between the first stop block, the second stop block and the die holder, and an integrally formed structure is arranged between the positioning block and the die cover.

Compared with the prior art, the utility model has the following beneficial effects: when the staff carries out the shaping to many ceramic rods, need not pack the inside of a plurality of die cavitys in proper order, can practice thrift a large amount of time, promoted staff's packing efficiency, so promoted the manufacturing efficiency of many ceramic rods, ceramic raw material can not unrestrained when packing simultaneously.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a view of the mold cavity of the present invention;

FIG. 4 is a display view of the seal block of the present invention.

In the figure: 1. positioning blocks; 2. a bump; 3. a die holder; 4. a first stopper; 5. a mold cover; 6. a sealing block; 7. a material guide cylinder; 8. a conduit; 9. a second stopper; 10. an arc-shaped slot; 11. a hole groove; 12. a round block; 13. a mold cavity.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings, which are appended hereto and detailed description.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1-4, a forming die applied to isostatic pressing processing includes a die holder 3, a rubber filling column is fixedly mounted inside the die holder 3, the rubber filling column is vertically provided with a plurality of die cavities 13 along a circumferential direction, a die cover 5 is attached to the upper end of the die holder 3, the inner wall of the die cover 5 is fixedly provided with a guide tube 8 corresponding to the plurality of die cavities 13, the outer walls of the guide tubes 8 are fixedly sleeved with a guide cylinder 7, the inner bottom of the guide cylinder 7 is fixedly connected with a round block 12, the outer wall of the upper end of the round block 12 is provided with four arc-shaped grooves 10 around the central annular array thereof, the inner walls of the four arc-shaped grooves 10 are provided with hole slots 11, the four hole slots 11 correspond to the four guide tubes 8 respectively, the upper end of the guide cylinder 7 is provided with a sealing member, a positioning member is arranged between the die cover 5 and the die holder 3, and the die holder 3 is made of plastic.

The sealing piece comprises a sealing block 6, the sealing block 6 is inserted into the guide cylinder 7 in a sliding mode, the sealing block 6 is T-shaped, and the guide cylinder 7 can be sealed by arranging the sealing block 6.

The locating piece includes first dog 4, second dog 9 and locating piece 1, first dog 4 and the equal fixed connection of second dog 9 are in the outer wall upper portion edge of die holder 3, locating piece 1 fixed connection is on the lower extreme outer wall of die cover 5, and locating piece 1 is located between first dog 4 and the second dog 9, and locating piece 1 slides and laminates on the outer wall of die holder 3, and laminate mutually between locating piece 1 and the second dog 9, it laminates on first dog 4 to rotate die cover 5 to the locating piece 1 of its lower extreme, then four pipes 8 and four die cavities 13 on the die cover 5 can misplace, guarantee that the inside ceramic material of die cavity 13 can normal shaping, first dog 4 simultaneously, second dog 9 can regard as the mark with locating piece 1, avoid the staff to rotate too big or make four pipes 8 and four undersize die cavities 13 can not misplace of the range of die cover 5.

The outer wall fixedly connected with polylith lug 2 of mould lid 5, polylith lug 2 is the annular array around the center of mould lid 5 and lays, through setting up lug 2, rotates mould lid 5 and can play skid-proof effect.

The sealing block 6 is made of polytetrafluoroethylene material, and according to the characteristics of the polytetrafluoroethylene material, the service life of the sealing block 6 is long.

The first stop block 4, the second stop block 9 and the die holder 3 are integrally formed, the positioning block 1 and the die cover 5 are integrally formed, the stability between the first stop block 4, the second stop block 9 and the die holder 3 is improved, and the stability between the positioning block 1 and the die cover 5 is also improved.

The working principle is as follows: open sealed piece 6, ceramic raw materials is added to guide feed cylinder 7 inside, ceramic raw materials then can fall in four arcs 10 on the circle block 12, and ceramic raw materials can fall into four pipe 8 respectively along the cambered surface of four arcs 10 along hole groove 11, four pipe 8 then can carry ceramic raw materials respectively to die holder 3 inside four die cavities 13 in, the staff can beat die holder 3 and make the ceramic raw materials in die cavity 13 become compact, open die cover 5 this moment and can pack not full die cavity 13, compare in original filler mode, then promoted staff's packing efficiency greatly, and ceramic raw materials is difficult for spilling when packing, so promoted the manufacturing efficiency of many ceramic rods, through setting up the setting element, conveniently rotate die cover 5 and make four pipe 8 misplace with four die cavities 13 respectively, guarantee ceramic rod's shaping work.

In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the appearances of the phrases "one embodiment," "some embodiments," "a specific embodiment," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment or example, but rather to the same embodiment or example. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a be applied to forming die of isostatic pressing processing, includes die holder (3), the inside fixed mounting of die holder (3) has the rubber to pack the post, the rubber is packed the post and is vertically seted up a plurality of die cavitys (13) along the circumferencial direction, the upper end laminating of die holder (3) has die cover (5), its characterized in that: the utility model discloses a die cavity, including die cover (5), inner wall, guide tube (8), many it has pipe (8) to correspond all fixed running through in a plurality of die cavities (13) department, many the outer wall of guide tube (8) is fixed the cover jointly and is equipped with guide cylinder (7), the inside bottom fixedly connected with circle piece (12) of guide cylinder (7), four arc wall (10), four have been seted up around its central ring array to the upper end outer wall of circle piece (12) all seted up hole groove (11), four on the inner wall of arc wall (10) hole groove (11) are corresponding with four pipe (8) respectively, the upper end of guide cylinder (7) is equipped with the sealing member, be equipped with the setting element between die cover (5) and die holder (3).

2. The forming die for isostatic pressing according to claim 1, wherein: the sealing element comprises a sealing block (6), the sealing block (6) is inserted in the guide cylinder (7) in a sliding mode, and the sealing block (6) is T-shaped.

3. The forming die for isostatic pressing according to claim 1, wherein: the locating piece comprises a first stop dog (4), a second stop dog (9) and a locating block (1), wherein the first stop dog (4) and the second stop dog (9) are fixedly connected to the edge of the upper portion of the outer wall of the die holder (3), the locating block (1) is fixedly connected to the outer wall of the lower end of the die cover (5), the locating block (1) is located between the first stop dog (4) and the second stop dog (9), the locating block (1) is slidably attached to the outer wall of the die holder (3), and the locating block (1) and the second stop dog (9) are attached to each other.

4. The forming die for isostatic pressing according to claim 1, wherein: the outer wall of the die cover (5) is fixedly connected with a plurality of bumps (2), and the bumps (2) are distributed in an annular array around the center of the die cover (5).

5. The forming die for isostatic pressing according to claim 2, wherein: the sealing block (6) is made of polytetrafluoroethylene material.

6. The forming die for isostatic pressing according to claim 3, wherein: the die comprises a die holder (3), a first stop block (4), a second stop block (9) and a die cover (5), wherein the die holder (3) is provided with a die hole, and the die hole is formed in the die cover.