CN205629137U - Stamping die - Google Patents

Abstract

The utility model discloses a stamping die, including terrace die and die, be provided with the drift on the terrace die, the drift includes left drift and right drift, a left side drift with be provided with the chip removal passageway between the drift of the right side, the drift is neighbouring be provided with the ring platform on the outer cylindrical surface of terrace die one end, be provided with in the die and punch a hole, punching a hole, punch a hole and the path section is punched a hole including big footpath section, big footpath section punch a hole be used for with the ring platform that sets up on the outer face of cylinder of drift matees, the path section punch a hole be used for with the drift matches. This stamping die passes through its structural design, and the the stamping process that the part is normal is ensured in the emergence of the drift bending or the deformation fracture condition in the time of can effectively preventing the part punching press, can prevent effectively again that the drift card from pausing.

Description

A kind of diel

Technical field

This utility model relates to mould and builds technical field, more specifically, particularly to a kind of punching press Mould.

Background technology

Carbon brush (Carbon brush) be also brush, is motor or electromotor or other rotating machineries Standing part and rotating part between transmit energy or the slide contact member of signal.Carbon brush is general Being added coagulator by pure carbon to make, external form is usually cube, and the appearance of carbon brush is somewhat like wiping pencil Rubber bar such, top has wire draw, volume varies.Carbon brush typically blocks when using On metal rack, there is spring handle the inside, and it is pressed in rotating shaft, the when of electric machine rotation, and will Electric energy flows to coil by phase changer.

In carbon brush manufacturing process, for obtaining specific shape, it is often necessary to utilize diel to enter Row punching press, diel is can material (metal or nonmetal) to be added in a kind of Cold Press Working Work becomes the special process of ad hoc structure part (or semi-finished product) to equip, also referred to as cold punching die (custom Claim cold-punching mould).Punching press refers at room temperature, utilizes the mould being arranged on forcing press to execute material Plus-pressure so that it is produce and separate or plastic deformation, thus a kind of pressure obtaining required part adds Work method.Diel is the requisite technological equipment of punching production, is that technology-intensive type is produced Product.The quality of stamping parts, production efficiency and production cost etc., have with Design of Dies and manufacture Direct relation.Stamping Die Design and the height of manufacturing technology level, be to weigh state's family property One of important symbol of product manufacture level height, decide to a great extent product quality, Benefit and the development ability of new product.

Fig. 1 provides a kind of existing punching die structure schematic diagram being usually used in carbon brush processing, figure 1 diel provided includes that die 01 and punch 02, die 01 are used for the shaping of part, Punch 02 is for the punching press of part, when carrying out punching press by this diel, due to punch 02 Working portion drift very grows (about general 30mm length), and during part punching, drift is easy to Bending or deformation fracture, had a strong impact on the normal punching course of part, additionally, rush in Ya Zhi Head can not slide freely in die 01, it is easy to Caton phenomenon occur due to talus accumulation, Greatly reduce work efficiency.

Utility model content

The technical problems to be solved in the utility model is for providing a kind of diel, this diel Designed by its structure, drift bending or deformation crack conditions when can effectively prevent part punching Generation, it is ensured that the normal punching course of part, can effectively prevent again drift card from pausing, improve work Make efficiency.

A kind of diel, including punch and die, described punch is provided with drift, described Drift includes left drift and right drift, is provided with chip removal between described left drift and described right drift Passage, described drift is provided with land on the outer cylinder surface of described punch one end, described Being provided with punching in die, described punching includes the section punching of big footpath and path section punching, described greatly Footpath section punching is used for mating with the land arranged on described drift external cylindrical surface, described path Duan Chong Hole is for mating with described drift.

Preferably, the height of described land is 3rd/1st to four/4th of whole height of punch.

Preferably, the height of described land is the half of whole height of punch.

Preferably, it is provided with gap between described drift and described punching.

Preferably, the gap between described drift and described punching is 0.01mm to 0.02mm.

The beneficial effects of the utility model are: this diel is designed by its structure, at drift It is provided with land on the outer cylinder surface of neighbouring punch one end, can effectively prevent from rushing during part punching Head bending or the generation of deformation crack conditions, it is ensured that the normal punching course of part；Meanwhile, should Diel is provided with left drift and right drift, is provided with chip removal and leads between left drift and right drift Road, so, there will be neither chip blocking, can effectively prevent drift card from pausing, can significantly improve again Work efficiency.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, The accompanying drawing used required in embodiment or description of the prior art will be briefly described below, It should be evident that the accompanying drawing in describing below is only embodiment of the present utility model, for this From the point of view of the those of ordinary skill of field, on the premise of not paying creative work, it is also possible to according to The accompanying drawing provided obtains other accompanying drawing.

Fig. 1 is the structural representation of a kind of diel of prior art；

Fig. 2 is the structural representation of a kind of diel of this utility model embodiment；

Fig. 3 is the structural representation of this utility model embodiment a kind of diel punch；

Fig. 4 is the structural representation of this utility model embodiment a kind of diel die.

Detailed description of the invention

For the technical scheme making those skilled in the art be more fully understood that in the application, below The accompanying drawing in the embodiment of the present application will be combined, the technical scheme in the embodiment of the present application will be carried out clearly Chu, it is fully described by, it is clear that described embodiment is only some embodiments of the present application, Rather than whole embodiments.

Based on the embodiment in the application, those of ordinary skill in the art are not making creativeness The every other embodiment obtained under work premise, all should belong to the scope of the application protection.

See Fig. 2 to Fig. 4, Fig. 2 to Fig. 4 and provide a kind of diel of this utility model Specific embodiment, wherein, Fig. 2 is that the structure of a kind of diel of this utility model embodiment is shown It is intended to；Fig. 3 is the structural representation of this utility model embodiment a kind of diel punch；Fig. 4 Structural representation for this utility model embodiment a kind of diel die.

As shown in Figures 2 to 4, this utility model provides being embodied as of a kind of diel Example, this diel includes punch 1 and die 2, and punch 1 and die 2 are for part punching Being mutually matched of process.

Being provided with drift 3 on punch 1, drift 3 is for the punching press of part to be punched.

Drift 3 includes left drift 301 and right drift 302, left drift 301 and right drift 302 Between be provided with channel of chip removal 4.

So, in each punching course, left drift 301 can be treated with right drift 302 simultaneously Punching parts carries out punching press, can process 2 parts to be punched, it is thus possible to significantly improve every time Work efficiency, during this, the chip that punching course produces can be by left drift 301 with right The channel of chip removal 4 arranged between drift 302 is discharged, it is thus possible to be prevented effectively from owing to chip blocks The drift card that situation causes pauses.

Drift 3 is provided with land 5 on the outer cylinder surface of punch 1 one end, so, aobvious Write and strengthen the resistance to compression bottom drift 3 and bending strength, drift when can effectively prevent part punching 3 bendings or the generation of deformation crack conditions.

Being provided with punching 6 in die 2, punching 6 includes big footpath section punching 601 and path Duan Chong Hole 602, big footpath section punching 601 is used for mating with the land 5 arranged on drift 3 external cylindrical surface, Path section punching 602 is for mating with drift 3.

Generally, this diel that this utility model provides is designed by its structure, in punching 3 are provided with land 5 on the outer cylinder surface of punch 1 one end, can effectively prevent part During punching press, drift 3 bends or deforms the generation of crack conditions, it is ensured that the normal punching course of part； Meanwhile, this diel is provided with left drift 301 and right drift 302, and left drift 301 is with right It is provided with channel of chip removal 4 between drift 302, so, there will be neither chip blocking, can be effective Prevent drift 3 card, work efficiency can be significantly improved again.

In the present embodiment, for increasing the comprcssive strength of drift 3 further, prevent drift 3 from bending Or deformation fracture, the height of land 5 is 3rd/to four/4th of whole drift 3 height.

Preferably, the height of land 5 is the half of whole drift 3 height.

In the present embodiment, pass in and out in punching 6 for ease of drift 3, drift 3 and punching 6 it Between be provided with gap.

Preferably, the gap between drift 3 and punching 6 is 0.01mm to 0.02mm.

Above a kind of diel provided by the utility model is described in detail.Herein In apply specific case principle of the present utility model and embodiment be set forth, above The explanation of embodiment is only intended to help to understand method of the present utility model and core concept thereof.Should When pointing out, for those skilled in the art, without departing from this utility model On the premise of principle, it is also possible to this utility model is carried out some improvement and modification, these improve Also fall in this utility model scope of the claims with modification.

Claims (5)

1. a diel, it is characterised in that include punch and die, described punch sets Being equipped with drift, described drift includes left drift and right drift, described left drift and described right drift Between be provided with channel of chip removal, described drift sets on the outer cylinder surface of described punch one end Being equipped with land, be provided with punching in described die, described punching includes the section punching of big footpath and path Duan Chongkong, described big footpath section punching is used for mating with the land arranged on described drift external cylindrical surface, Described path section punching is for mating with described drift.

Diel the most according to claim 1, it is characterised in that the height of described land Degree is 3rd/1st to four/4th of whole height of punch.

Diel the most according to claim 2, it is characterised in that the height of described land Degree is the half of whole height of punch.

Diel the most according to claim 1, it is characterised in that described drift and institute State and between punching, be provided with gap.

Diel the most according to claim 4, it is characterised in that described drift and institute Stating the gap between punching is 0.01mm to 0.02mm.