CN109676005A - A kind of mailbox partition angle of attack mould - Google Patents

Abstract

The invention relates to the field of letter box production, in particular to a letter box partition plate punching die, comprising a concave die and a punch, and is characterized in that the concave die comprises a base, and two positioning posts are arranged on the upper edge of the base, and the base The upper part is equipped with a die base through bolts, three positioning pins are arranged on the die base, and a die hole is arranged in the middle of the die base. The punch includes a base on which a mold core is installed, and the shape of the mold core is exactly the same as that of the mold hole. Correspondingly, the sleeve plate is connected with the mold core through the elastic pad, the base is also provided with a positioning column sleeve, and the positioning column sleeve is matched with the positioning column; the invention is suitable for letter box production equipment.

Description

A letter box clapboard angle die

technical field

The invention relates to the field of letter box production, in particular to a letter box clapboard angle die.

Background technique

At present, the letter box is made of several thin steel plates into the box body and the box door, which are integrated by riveting or welding. Qi problem.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a letter box clapboard angle punching die for the problem of uneven door panel seams during the current letter box production.

The specific scheme of the present invention is as follows: an angle die for a partition plate of a letter box, including a concave die and a punch, the concave die includes a base, two positioning posts are arranged at the upper edge of the base, and a die base is installed on the base through bolts , there are three positioning pins on the die base, a die hole is arranged in the middle of the die base, the die hole is generally "convex" shape, and the middle part of the "convex" shape is provided with straight sections and arc sections connected in sequence; the punch contains The base is equipped with a mold core. The shape of the mold core is exactly the same as that of the mold hole. The mold core is covered with a sleeve plate. There are three positioning pin holes on the sleeve plate. The positions of the pin holes correspond to the positioning pins one by one. The pad is connected with the mold core, and a positioning column sleeve is also arranged on the base, and the positioning column sleeve is matched with the positioning column.

The invention has a simple structure, and the seams are neat and beautiful when the processed door panels are spliced.

Description of drawings

1 is a perspective view of a concave die of the present invention;

Fig. 2 is the front view of the concave die of the present invention;

Fig. 3 is the partial enlarged view of Fig. 2;

4 is a perspective view of a punch of the present invention;

In the picture: 1- base, 2- locating column, 3- die base, 4- locating pin, 5- die hole, 51- straight section, 52- arc section, 6- base, 7- locating column sleeve, 8- Mold core, 9- elastic pad, 10-sleeve plate, 11- locating pin hole.

Detailed ways

1-4, this embodiment includes a concave die and a punch, the concave die includes a base 1, two positioning posts 2 are arranged on the upper edge of the base 1, a die base 3 is installed on the base 1 through bolts, and the die base There are three positioning pins 4 on the 3, and a die hole 5 is arranged in the middle of the die base 3. The die hole 5 is generally "convex" shape, and the middle part of the "convex" shape is provided with a straight section 51 and an arc section 52 connected in sequence; The punch comprises a base 6, the base 6 is equipped with a mold core 8, the shape of the mold core 8 is exactly the same as that of the mold hole 5, the mold core 8 is covered with a sleeve plate 10, and the sleeve plate 10 is provided with three positioning pin holes 11, the pins The positions of the holes 11 correspond to the positioning pins 4 one-to-one. The sleeve plate 10 is connected with the mold core 8 through the elastic pad 9 .

Claims (1)

1. a kind of mailbox partition angle of attack mould includes cavity plate and punch-pin, it is characterized in that: the cavity plate includes pedestal, pedestal top It is set at edge there are two positioning column, die holder is equipped with by bolt on pedestal, set on die holder there are three positioning pin, be equipped with mould among die holder Hole, die hole generally " convex " shape, the middle section of " convex " shape are equipped with the straight section being linked in sequence, segmental arc；The punch-pin includes pedestal, Mold core is housed on pedestal, mold core shape is identical with die hole, mold core housing cage plate, set on cage plate there are three dowel hole, Pin hole position and positioning pin correspond, and cage plate is connect by elastic cushion with mold core, and positioning column sleeve, positioning column are additionally provided on pedestal Set matches with positioning column.