JPS6355373B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Technical Field of the Invention In shaving processing, the product and the scraps are entangled and it takes time to separate them, but the present invention relates to an automatic device that automatically separates and removes the scraps.

(b) Conventional technology and problems Shaving processing is used to flatten the rough cross-section of a metal product punched from a metal plate by punching it, by redoing it using the same method as punching with a small allowance of about 0.1 to 0.3 mm. It is processed by punching.

Therefore, the scraps are generally thread-like and lightweight, easily entangled with the product, and it takes a lot of man-hours to separate the two, and an improvement has been desired.

(c) Purpose of the Invention The present invention has been made in view of the above-mentioned points, and an object of the present invention is to provide a device that automatically separates and removes scraps from a product.

(d) Structure of the Invention The above object of the present invention is to provide a sloped chute with one or more obstacles provided on the runway, and a chute provided at the exit of the chute to utilize the weight difference between the product and the scraps. This is achieved by an automatic scrap separation device that is characterized by having an adsorption section made of a magnet that provides a magnetic field to attract only lightweight scraps, and a means for transporting and discharging the attracted scraps to the outside. be done.

(e) Embodiments of the invention Preferred embodiments of the invention will be described in more detail below with reference to the drawings.

FIG. 1 conceptually shows a side view of a shaving press equipped with an automatic scrap separation device according to the present invention, and FIG. 2 conceptually shows a front view thereof.

A blank of the product punched in the previous process is fed to a press mold 2 mounted on a press body 1 by an automatic feeding device 3.

The product and scraps whose periphery has been shaved by the press die 2 fall into an inclined chute 4.

Since the cutting amount during shaving is usually about 0.1 to 0.3 mm, the scraps are generally thread-like and entangled with the product to form a mixture that slides down the chute 4.

Inside the chute 4 there is an obstacle 5 according to the invention,
Specifically, multiple pins are planted. When the mixture hits this obstacle 5, it is easily separated by the impact, and the product and scraps are disentangled and slide down near the chute outlet. A scrap removal device 6 is provided at this position.

Fig. 3 shows a conceptual diagram of the scrap removal device 6.
In the front view, a magnet 7 (permanent magnet is an electromagnet) constituting the attraction part is provided on the upper surface of the chute outlet, and forms a magnetic field in a direction perpendicular to the direction in which the chute slides down.

The weight of the scraps is considerably smaller than the product, so by using this weight difference to appropriately set the strength of the magnetic field, the product will slide down and be stored in the product receiving box 8, where it will be removed. The waste is attracted to the belt surface of a belt conveyor 9 provided as a discharge section on the upper surface of the chute as shown in FIG.

Within the range of the magnetic field, the scraps 10 are attracted to the belt surface, but when the belt moves in the direction of the arrow and reaches position A, where the magnetic field does not reach, the adsorption effect is no longer present, and the scraps fall down. Receiving box 11
It accumulates in

Figure 3 shows a belt conveyor 9 used to move the scraps.
However, as shown in the front view of FIG. 4, the scraps can be removed using the same principle as described above by using a disc 13 that rotates slowly around the rotating shaft 12.

Note that the belt surface of the belt conveyor 9 or the surface of the disc 13 does not necessarily have to be horizontal;
It may be on the side of the chute 4 or diagonally upward. Furthermore, as shown in the conceptual perspective view of FIG. 5, the aforementioned obstacle 5 may be a pin-shaped 5a, a chevron-shaped plate 5b, or another form.
In short, any structure is sufficient as long as it collides with the obstacle 5 to impact the mixture of the product and scraps to separate them.

(f) Effects of the Invention As is clear from the above explanation, according to the present invention, in the shaving process, the scraps that are generated when entangled with the product and require a lot of man-hours to remove can be automatically separated from the product. Since the shaving process can be taken out, the number of man-hours can be greatly reduced compared to the conventional work, which has a great effect on reducing the cost of the shaving process.

[Brief explanation of drawings]

1 and 2 are a side view and a front view of a shaving press equipped with an automatic shavings separating device according to the present invention, and FIGS. 3 and 4 are conceptual front views of an example of a shavings removing section. FIG. 5 is a perspective view showing an example of the obstacle in FIG. 2. In the figure, 1 is the press body, 2 is the press mold, 3 is the automatic feeding device, 4 is the chute, 5 is the obstacle, and 6
A scrap removal device, 7 a magnet, 8 a product receiving box, 9 a belt conveyor, 10 a scrap scraper,
11 shows a dregs receiving box, 12 shows a rotating shaft, and 13 shows a disk.

Claims (1)

[Claims] 1. In an apparatus for separating and discharging a mixture of products and scraps during shaving processing, one or more obstacles are provided on the sliding surface of an inclined chute through which the mixture slides down, and the outlet of the chute is provided with one or more obstacles. An automatic scrap separation system that is characterized by having an adsorption/discharge unit consisting of a magnet and a conveying means that uses the weight difference between the product and the scraps separated by an obstacle to attract only the scraps and discharge them to the outside. Device.