CN209753770U - Punching part blanking waste falling detection device - Google Patents

Abstract

The utility model discloses a blanking waste falling detection device for stamping parts, which realizes the function of signal acquisition for the set area of a blanking hole by installing a region sensor at the periphery of the blanking hole on the lower die seat of the stamping die punching step, thereby accurately detecting whether the blanking waste falls off smoothly, if the waste material falls through the detection area of the area sensor, the area sensor gives a signal to the punch controller, the punch controller controls the punching die to continue production, if the waste material does not fall off smoothly, the area sensor does not give a signal to the punching machine controller, the punching machine controller controls the punching die to stop, the production is not continued, therefore, the punching abnormity can be timely and effectively found, the loss caused by the punching abnormity is avoided, the production efficiency is improved, the production cost is reduced, and the reject ratio of products is reduced.

Description

Punching part blanking waste falling detection device

Technical Field

The utility model relates to a stamping die technical field specifically is a detection device falls in punching press part blanking waste material.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping, and is called cold stamping die (commonly called cold stamping die).

In the continuous stamping production process, whether blanking waste material falls into the waste bin smoothly is crucial, and if the waste material does not fall into the waste bin smoothly, the blanking waste material can be caused by the following three reasons: 1. the scrap jumps to the surface of the female die, which can cause the product to crush or damage the die; 2. the blocking of the waste hole can cause the damage of the punch and the female die, even the expansion crack of the template and the scrap of the die; 3. the punch is broken, the hole is not punched out, and a large amount of defective products can be produced if the hole is not found in time. Therefore, it is very necessary to develop a detection device capable of timely detecting whether the punching waste of the punching part falls.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a punching press part blanking waste material whereabouts detection device can timely effectual discovery blanking waste material whereabouts smoothly, avoids punching a hole the loss of bringing unusually, improves production efficiency, and reduction in production cost reduces the defective rate of product.

The technical scheme of the utility model is realized like this:

A punching waste falling detection device for a punching part comprises a punching die, a region sensor and a punch controller, wherein the punching die comprises an upper die and a lower die, the upper die comprises an upper die base, a fixed plate and a stripper plate which are sequentially arranged from top to bottom, the lower die comprises a lower die base and a concave die plate which are sequentially arranged from bottom to top, the upper die further comprises a punching punch, the rear end of the punching punch is arranged between the fixed plate and the upper die base, and the front end of the punching punch is arranged in a punch avoiding hole in the stripper plate in a penetrating manner; a first blanking hole corresponding to the blanking punch is formed in the concave die plate, and a second blanking hole is formed in the lower die base; the area sensor is installed at the bottom of the lower die base and located on the periphery of the bottom opening of the second blanking hole, the area sensor outputs signals to the punching machine controller, and the punching machine controller is used for controlling the punching start and stop of the punching die.

Further, the blanking punch comprises a punch flange and a punch body which are integrally formed from top to bottom, a flange groove corresponding to the punch flange and a through hole corresponding to the punch body are formed in the fixing plate, the punch flange is mounted in the flange groove, and the punch body is mounted in the through hole and fixed by means of locking between the upper die base and the fixing plate.

Further, the radial dimension of the first blanking hole is larger than that of the blanking punch and smaller than that of the second blanking hole.

Further, the area sensor is a laser sensor.

The utility model has the advantages that: the utility model provides a punching press part blanking waste material whereabouts detection device, area sensor is installed through the blanking hole periphery of the die holder lower surface at stamping die punching process step, can set for the area to blanking hole department and carry out signal acquisition, thereby can accurately detect whether blanking waste material falls smoothly, if the detection area of area sensor is passed through in the waste material whereabouts, area sensor will give a signal of punch controller, punch controller will control stamping die and continue production, if the waste material does not fall smoothly, area sensor does not just have the signal and gives the punch controller, the punch controller will control stamping die and stop, no longer continue production, thereby can in time effectual discovery punch a hole unusually, avoid punching a hole the unusual loss that brings, and the production efficiency is improved, and the production cost is reduced, and the defective rate of product is reduced.

Drawings

Fig. 1 is the utility model discloses punching press part blanking waste material whereabouts detection device's schematic structure diagram.

Detailed Description

In order to clearly understand the technical contents of the present invention, the following examples are given in detail for the purpose of better understanding the contents of the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, a punching waste falling detection device for a punching part includes a punching die 1, an area sensor 2 and a die controller 3, the punching die includes an upper die 11 and a lower die 12, the upper die includes an upper die base 111, a fixing plate 112 and a stripper plate 113 which are sequentially arranged from top to bottom, the lower die includes a lower die base 121 and a cavity plate 122 which are sequentially arranged from bottom to top, the upper die further includes a punching punch 114, the rear end of the punching punch is installed between the fixing plate and the upper die base, and the front end of the punching punch is inserted into a punch avoiding hole 1131 on the stripper plate; a first blanking hole 1221 corresponding to the blanking punch is formed in the cavity plate, and a second blanking hole 1211 is formed in the lower die holder; the area sensor is installed at the bottom of the lower die base and located on the periphery of the bottom opening of the second blanking hole, the area sensor outputs signals to the punching machine controller, and the punching machine controller is used for controlling the punching start and stop of the punching die.

In the structure, through installing an area sensor at the periphery of the blanking hole on the lower die holder of the punching step of the punching die, the function of carrying out signal acquisition on the set area of the blanking hole is realized, thereby whether blanking waste can be accurately detected to fall off smoothly, if the waste falls off and passes through the detection area of the area sensor, the area sensor gives a signal to the punching die controller, the punching die controller controls the punching die to continue production, if the waste does not fall off smoothly, the area sensor does not give the punching die controller with a signal, the punching die controller controls the punching die to stop, production is not continued, thereby the punching die can be timely and effectively found to be abnormal, the loss caused by abnormal punching is avoided, the production efficiency is improved, the production cost is reduced, and the reject ratio of products is reduced.

Preferably, the blanking punch includes a punch flange and a punch body integrally formed from top to bottom, the fixing plate is formed with a flange groove corresponding to the punch flange and a through hole corresponding to the punch body, the punch flange is mounted in the flange groove, and the punch body is mounted in the through hole and fixed by locking between the upper die holder and the fixing plate.

Preferably, a radial dimension of the first blanking hole is greater than a radial dimension of the blanking punch and smaller than a radial dimension of the second blanking hole. Like this, be convenient for the waste material via first blanking hole and second blanking hole fall in proper order, avoid the waste material card when out of plumb whereabouts downthehole at the blanking.

Preferably, the area sensor is a laser sensor. The area laser sensor is a sensor for performing measurement by using a laser technique. Typically consisting of a laser, a laser detector and a measuring circuit. The laser sensor can realize non-contact remote measurement and has the advantages of high speed, high precision, wide measuring range, strong light and electric interference resistance and the like.

Preferably, a discharging spring is installed between the discharging plate and the fixing plate, and the discharging spring elastically separates the discharging plate and the fixing plate by a certain distance. Usually, the one end of unloading spring is installed on the upper die base of last mould, and the other end passes the fixed plate to be connected with the stripper, can realize popping open the function of stripper.

The above embodiments have been described in detail with reference to the accompanying drawings. Those skilled in the art can make various modifications and changes to the above embodiments without departing from the spirit of the present invention, and the scope of the present invention is also covered by the appended claims.

Claims (4)

1. The utility model provides a punching part blanking waste whereabouts detection device which characterized in that: the punching die comprises a punching die (1), an area sensor (2) and a punching machine controller (3), wherein the punching die comprises an upper die (11) and a lower die (12), the upper die comprises an upper die base (111), a fixing plate (112) and a stripper plate (113) which are sequentially arranged from top to bottom, the lower die comprises a lower die base (121) and a concave die plate (122) which are sequentially arranged from bottom to top, the upper die further comprises a punching punch (114), the rear end of the punching punch is arranged between the fixing plate and the upper die base, and the front end of the punching punch is arranged in a punch avoiding hole (1131) in the stripper plate in a penetrating mode; a first blanking hole (1221) corresponding to the blanking punch is formed in the concave template, and a second blanking hole (1211) is formed in the lower die base; the area sensor is installed at the bottom of the lower die base and located on the periphery of the bottom opening of the second blanking hole, the area sensor outputs signals to the punching machine controller, and the punching machine controller is used for controlling the punching start and stop of the punching die.

2. The stamped part blanking scrap drop detecting apparatus according to claim 1, wherein: the blanking punch comprises a punch flange and a punch body which are integrally formed from top to bottom, a flange groove corresponding to the punch flange and a through hole corresponding to the punch body are formed in the fixing plate, the punch flange is installed in the flange groove, and the punch body is installed in the through hole and fixed by means of locking between the upper die base and the fixing plate.

3. The stamped part blanking scrap drop detecting apparatus according to claim 1, wherein: the radial dimension of the first blanking hole is larger than that of the blanking punch and smaller than that of the second blanking hole.

4. The stamped part blanking scrap drop detecting apparatus according to claim 1, wherein: the area sensor is a laser sensor.