CN210614788U

CN210614788U - Exhaust blanking mould

Info

Publication number: CN210614788U
Application number: CN201921302143.2U
Authority: CN
Inventors: 华龙; 郭彬; 王艳林
Original assignee: Sichuan Longqing Auto Part Manufacturing Co ltd
Current assignee: Sichuan Longqing Auto Part Manufacturing Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-26
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses an exhaust blanking die, which comprises an upper die and a lower die, wherein the upper die and the lower die are arranged oppositely; the lower die comprises a first base body, a material belt groove used for placing a material belt is formed in the first base body, a plurality of floating pins used for facilitating the movement of the material belt are arranged on two sides of the material belt groove, open grooves used for falling of blanking knife edges are formed in the material belt groove, the number of the open grooves is two, the two open grooves are symmetrically arranged, a waste notch is formed in the tail end of the first base body, and a guide column hole is formed in the first base body; the upper die comprises a second base body, wherein two punching knives for punching the material belt are arranged on the second base body, the two punching knives are arranged oppositely, a cutter for cutting waste materials is arranged at the tail end of the second base body, and a guide pillar in sliding fit with the guide pillar hole is arranged on the second base body. The utility model provides a technical problem that the inefficiency and the material utilization of current exhaust blanking mould blanking are low.

Description

Exhaust blanking mould

Technical Field

The utility model relates to an auto-parts processing technology field specifically is an exhaust blanking mould.

Background

The wrist pin is a cylindrical pin mounted on the skirt of the piston. The middle part of the connecting rod passes through a small end hole of the connecting rod and is used for connecting the piston and the connecting rod, and the function of the connecting rod is to transmit the gas acting force borne by the piston to the connecting rod or to enable the small end of the connecting rod to drive the piston to move together. To reduce weight, piston pins are typically made of high quality alloy steel and are hollow. When the piston pin is manufactured, an airfoil-shaped plate piece is needed, and the plate piece is obtained by blanking through an exhaust blanking die.

The material belt of the blanking of the existing exhaust blanking die obtains the parts of the piston pin and performs blanking in sequence through a single stamping knife, and the die is low in efficiency and low in material utilization rate during production.

SUMMERY OF THE UTILITY MODEL

Not enough more than, the utility model aims at providing an exhaust blanking mould has solved the technical problem that the inefficiency and the material utilization rate of current exhaust blanking mould blanking are low.

The utility model aims at realizing through such technical scheme, an exhaust blanking mould, include: the upper die and the lower die are arranged oppositely;

the lower die comprises a first base body, a material belt groove used for placing a material belt is formed in the first base body, a plurality of floating pins used for facilitating the movement of the material belt are arranged on two sides of the material belt groove, open grooves used for falling of blanking knife edges are formed in the material belt groove, the number of the open grooves is two, the two open grooves are symmetrically arranged, a waste notch is formed in the tail end of the first base body, and a guide column hole is formed in the first base body;

the upper die comprises a second base body, punching knives used for punching the material belt are arranged on the second base body, the number of the punching knives is two, the two punching knives are arranged oppositely, a cutter used for cutting waste materials is arranged at the tail end of the second base body, and a guide pillar in sliding fit with the guide pillar hole is arranged on the second base body.

As a further technical scheme of the utility model, two the knife face of die cutter is provided with the breach, two the terminal surface of breach is relative.

As a further technical scheme of the utility model, the quantity in guide post hole on the first base member is 4, 4 the guide post hole is located respectively the corner of first base member, the guide pillar quantity that sets up on the second base member is 4, 4 the guide pillar is located respectively the corner of second base member, the guide pillar with guide post hole sliding fit.

As a further technical scheme of the utility model, it is provided with the typing die cutter to go up the mould, typing die cutter rigid coupling the second base member, the typing die cutter is located one side of die cutter.

As a further technical scheme of the utility model, the quantity of typing die cutter is two, two type is towards relative setting.

Due to the adoption of the technical scheme, the utility model discloses following advantage has: the upper die and the lower die are oppositely arranged; the lower die comprises a first base body, a material belt groove used for placing a material belt is formed in the first base body, a plurality of floating pins used for facilitating the movement of the material belt are arranged on two sides of the material belt groove, open grooves used for falling of blanking knife edges are formed in the material belt groove, the number of the open grooves is two, the two open grooves are symmetrically arranged, a waste notch is formed in the tail end of the first base body, and a guide column hole is formed in the first base body; the upper die comprises a second base body, the second base body is provided with two punching knives for punching a material belt, the two punching knives are arranged oppositely, the tail end of the second base body is provided with a cutter for cutting waste materials, the second base body is provided with a guide pillar in sliding fit with the guide pillar hole, the technical problems of low punching efficiency and low material utilization rate of the existing exhaust blanking die are solved, and production benefits are improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The drawings of the present invention are described below.

Fig. 1 is a schematic diagram of an upper die structure of an exhaust blanking die.

Fig. 2 is a schematic view of a lower die structure of the exhaust blanking die.

FIG. 3 is a schematic diagram of a blanking structure of an original exhaust blanking die.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to fig. 3, the prior art exhaust blanking die is used to blank 1P65 piston pin parts by a single die cutter in sequence, which is inefficient and inefficient.

As shown in fig. 1-2, the utility model discloses an exhaust blanking mould, include: the upper die and the lower die are arranged oppositely; the lower die comprises a first base body 1, a material belt 2 groove for placing a material belt 2 is formed in the first base body 1, a plurality of floating pins 3 for facilitating the movement of the material belt 2 are arranged on two sides of the material belt 2 groove, open grooves 4 for falling of blanking knife edges are formed in the material belt 2 groove, the two open grooves 4 are symmetrically arranged, a waste notch is formed in the tail end of the first base body 1, and guide pillars 9 and holes 5 are formed in the first base body 1;

the upper die comprises a second base body 6, two punching knives 7 used for punching the material belt 2 are arranged on the second base body 6, the number of the punching knives 7 is two, the two punching knives 7 are oppositely arranged, a cutter 8 used for cutting waste materials is arranged at the tail end of the second base body 6, and a guide pillar 9 in sliding fit with the guide pillar 9 and the hole 5 is arranged on the second base body 6. The upper die and the lower die are used for stamping, the passing material belt 2 is blanked, a part body is obtained, the part body obtained in the embodiment is a part of a piston pin of a 1P65 series, only one material is blanked once when an existing die is processed, and the material belt 2 is large in waste. This embodiment is through setting up relative die cutter 7 when blanking, and the opposite face sets up the arrangement of the die cutter 7 of being convenient for of breach for 7 normal blanking of die cutter, thereby can the blanking once obtain two materials, the benefit improves, and reduces the consumptive material.

The knife faces of the two punching knives 7 are provided with notches, and the end faces of the two notches are opposite.

The number of guide posts 9 and holes 5 on the first base body 1 is 4, 4 guide posts 9 and holes 5 are respectively located at the corners of the first base body 1, the number of guide posts 9 arranged on the second base body 6 is 4, 4 guide posts 9 are respectively located at the corners of the second base body 6, and the guide posts 9 are in sliding fit with the guide posts 9 and holes 5. For the purpose of avoiding the offset when the upper moulds are dropped, so that the die cutter 7 is dropped in the correct position.

The upper die is provided with a typing die cutter 10, the typing die cutter 10 is fixedly connected with the second base body 6, and the typing die cutter 10 is positioned on one side of the die cutter 7. The number of the typing stamping knives 10 is two, and the two typing stamping knives are oppositely arranged. For serial marking of punched parts, for classification and mounting use, for example parts of piston pins of the series 1P64, 1P65, 1P70, worked by the applicant. The typing punches 10 of the present example are well known to those skilled in the art.

The use method and the working principle thereof are as follows: the material belt 2 is fed into the die in the embodiment through a rolling machine, specifically, a groove of the material belt 2, and the floating pin 3 is in contact with the material belt 2 and is in sliding fit with the material belt 2, so that the material belt 2 is convenient to feed and correct; through two typing die cutters 10, can type to material area 2, punch the punching press of material area 2 through the die cutter 7 of last mould, two relative die cutters 7 punch, obtain two materials.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides an exhaust blanking mould which characterized in that includes: the upper die and the lower die are arranged oppositely;

2. The exhaust blanking die of claim 1, characterized in that: the knife surfaces of the two punching knives are provided with notches, and the end surfaces of the two notches are opposite.

3. The exhaust blanking die of claim 1, characterized in that: the number of the guide post holes on the first base body is 4, the 4 guide post holes are respectively positioned at the corners of the first base body, the number of the guide posts arranged on the second base body is 4, the 4 guide posts are respectively positioned at the corners of the second base body, and the guide posts are in sliding fit with the guide post holes.

4. The exhaust blanking die of claim 1, characterized in that: the upper die is provided with a typing die cutter which is fixedly connected with the second base body, and the typing die cutter is positioned on one side of the die cutter.

5. The exhaust blanking die of claim 4, wherein: the number of the typing stamping knives is two, and the two typing stamping knives are oppositely arranged.