CN204818059U - Two -direction pressing mould - Google Patents

Abstract

The utility model discloses a two-way pressing die, which comprises an inner cylindrical die (1), a die pad (2), an upper die (3) and a lower die (4), and is characterized in that the inner cylindrical die (1) is placed On the die pad (2), the upper punch (3) and the lower punch (4) are respectively arranged in the inner circle of the inner cylinder die (1) and the die pad (2). The utility model solves the problem of uneven pressing by a one-way mold, and is more labor-saving and energy-saving.

Description

A two-way pressing mold

technical field

The utility model relates to a two-way pressing mold.

Background technique

The mold is made in proportion to the shape and structure of the object, and the material is made into a tool of a certain shape by pressing or pouring; the die-casting mold is also called the transfer molding mold. Put the plastic raw material into the preheated feeding chamber, and then apply pressure to the pressure column. The plastic melts under high temperature and high pressure, and enters the cavity through the pouring system of the mold, and gradually hardens and forms. This molding method is called die-casting molding. The mold used It is called a die-casting mold. In the field of titanium alloy synthesis, the powder sample is pressed and shaped by a pressing mold and then sintered to obtain an alloy sample of a certain shape for testing or other purposes. The pressing and shaping mold used in the prior art is a multi-position unidirectional pressing mold. Its pressing is unidirectional pressing, which usually results in unevenly pressed samples, which affects the yield of samples.

Contents of the invention

The technical problem to be solved by the utility model is to provide a two-way pressing mold to solve the problem of uneven pressing and labor-saving of the one-way pressing mold.

The technical scheme of the utility model is: a two-way pressing die, including an inner cylinder die, a die pad, an upper die and a lower die, the inner cylinder die is placed on the die pad, and the upper die and the lower die are respectively arranged on the inner cylinder die And the inner circle of the mold pad.

The die pad consists of two semicircles. The inner diameter of the inner cylinder die matches the outer diameter of the upper die, the inner diameter of the die pad is larger than the outer diameter of the lower die, and the outer diameter of the upper die is the same as that of the lower die. The length of the lower punch is greater than the height of the die pad.

Beneficial effects of the utility model: the utility model solves the problem of uneven pressing of the one-way mold, and saves labor and energy.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the inner cylinder mold in the utility model.

Detailed ways

As shown in Fig. 1 and Fig. 2, a kind of two-way pressing mold comprises inner cylinder die 1, die pad 2, upper die 3 and lower die 4, inner cylinder die 1 is placed on the die pad 2, upper die 3 and The lower die 4 is respectively arranged in the inner circle of the inner cylinder die 1 and the die pad 2; the die pad 2 is composed of two semicircles; the inner diameter of the inner cylinder die 1 matches the outer diameter of the upper die 3, and the inner diameter of the die pad 2 is larger than that of the lower die. Punch die 4 outer diameters, upper punch die 3 and lower punch die 4 outer diameters are identical. The length of the lower die 4 is greater than the height of the die pad 2 .

In actual use, use a self-made φ16mm cylindrical bidirectional pressing die with a floating die, use zinc stearate powder to lubricate the inner die wall of the inner cylindrical die 1, first assemble the die according to the attached drawing 1, and remove the upper die 3 Add the alloy raw material powder, then place the upper die 3, pre-press first, then remove the die pad 2, and then carry out bidirectional pressing, and hold the pressure at 200MPa for 3 minutes to pre-press the alloy powder.

Claims (4)

1. A two-way pressing die, comprising an inner cylinder die (1), a die pad (2), an upper die (3) and a lower die (4), characterized in that: the inner cylinder die (1) is placed on the die pad (2) Upper, upper dies (3) and lower dies (4) are respectively arranged in the inner circle of the inner cylinder die (1) and the die pad (2). 2. A two-way pressing die according to claim 1, characterized in that the die pad (2) consists of two semicircles. 3. A two-way pressing die according to claim 1, characterized in that: the inner diameter of the inner cylinder die (1) matches the outer diameter of the upper die (3), and the inner diameter of the die pad (2) is larger than that of the lower die (4) Outer diameter, upper die (3) is identical with lower die (4) outer diameter. 4. A two-way pressing die according to claim 1, characterized in that the length of the lower die (4) is greater than the height of the die pad (2).