JP2003071313A - Apparatus for crushing glass - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a glass crushing apparatus which has a simple structure and is inexpensive and in which glass is crushed into cullet easily and the crushed glass can be sorted into glass cullet and other materials such as a spacer and a sealing material easily when double glazing is crushed. SOLUTION: This glass crushing apparatus is provided with a crushing frame 5 having latticed bars 5a, 5b so that plate-like glass can be crushed on the bars 5a, 5b by dropping the plate-like glass on the bars 5a, 5b of the frame 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass crushing device, and more particularly to a crushing device for flat glass, and more particularly to a glass crushing device suitable for crushing double glazing.

[0002]

2. Description of the Related Art A glass product that has become an industrial waste can be recycled and used as a desired glass product by crushing the glass product into cullet and melting it. Culling of glass products is generally done by manually crushing glass products with a hammer etc.
Glass products are often dropped and crushed on concrete surfaces.

[0003]

However, in the case of double glazing which has become widespread in recent years, if the glass is simply dropped onto the ground, concrete surface, etc., cracks will be formed in the lower glass plate. , The glass plate on the upper surface side may remain without being broken. In such cases,
The glass plate on the upper surface side was also cracked and then hit with a rod to crush the glass plate into cullets, which made the crushing work complicated.

In addition, since the double glazing has spacers and a sealing material arranged in the periphery, when recycling,
Although it is necessary to crush such a double glazing to separate the glass cullet from the spacer and the sealing material, the separating work is also extremely complicated.

The present invention has been made in view of the above circumstances, and can be easily formed into a cullet, has a simple structure, is inexpensive, and, when applied to a double-glazing unit, further has a glass cullet and a spacer. An object of the present invention is to provide a glass crushing device that can be easily separated from a sealing material and the like.

[0006]

In order to achieve the above object, the glass crushing device according to claim 1 of the present invention is provided with a crushing frame having lattice-shaped crosspieces, and plate glass is attached to the crosspieces of the crushing frame. It is characterized in that the plate-shaped glass is crushed by the crosspiece when it is dropped upward.

According to the glass crushing device of the present invention, the plate-shaped glass dropped on the crushing frame collides with the crosspiece, and stress concentration occurs in the portion corresponding to the crosspiece, whereby the glass is crushed.

In particular, in the case of double glazing, the crushed cullet drops downward from between the crosspieces, leaving spacers, seal members and the like around the crosspieces on the crosspieces.

Further, in the glass crushing device according to claim 2 of the present invention, in the invention according to claim 1, a ridge having a mountain-shaped cross section perpendicular to the longitudinal direction is formed on the upper surface of the crosspiece. It has a feature.

According to the glass crushing apparatus of the present invention, since the plate-shaped glass which has collided with the crosspiece causes a large stress concentration due to the ridges, the glass is crushed reliably.

Further, in the glass crushing device according to claim 3 of the present invention, in the invention according to claim 1 or 2, a protrusion having a height higher than that of the crosspiece is provided at an appropriate portion of the crosspiece. Is characterized by.

According to the glass crushing apparatus of the present invention, the plate-shaped glass dropped on the crushing frame first collides with the protrusion and is crushed by a larger concentration of stress generated by the protrusion, and then collides with the crosspiece, It is crushed into smaller pieces due to the stress concentration caused by.

According to a fourth aspect of the present invention, there is provided the glass crushing device according to the third aspect of the present invention, wherein the protrusion is provided at an intersection of the crosspieces.

According to the glass crushing device of the present invention, the projections are firmly supported without being bent even by the impact of the plate glass, and the crushing force is not reduced.

Further, in the glass crushing apparatus of claim 5 according to the present invention, in the invention of claim 1, 2, 3 or 4, the crushing frame is at the upper part of the hopper and the opening at the upper part of the hopper is provided. It is characterized by being installed so as to close it.

According to the glass crushing apparatus of the present invention, the crushed cullets are collected by the hopper and guided to the cullet storage container or the like placed below the hopper.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of a glass crushing apparatus according to the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a perspective view conceptually showing a glass crushing apparatus according to the present invention, and FIG. 2 is a perspective view showing a hopper having a glass crushing frame which is a main part thereof.

In this glass shredding device, a working space 2 is formed on the ceiling of a machine frame 1 which is erected in a gate shape.
A rectangular hole 3 is formed in the center of the working space 2, and an upper end of a hopper 4 is attached to the hole 3.

At the upper opening 4a of the hopper 4, a glass crushing frame 5 is installed so as to close the opening 4a. As shown in FIG. 2, the crushing frame 5 has vertical bars 5a and horizontal bars 5b arranged in a lattice to be integrated with each other, and has convex ridges 5c having a triangular cross section formed on the upper surface of the vertical bars 5a. Further, a columnar projection 6 is arranged at the intersection of the vertical rail 5a and the horizontal rail 5b. In addition, the illustrated example is a vertical bar 5.
Although the ridge 5c is formed on the upper surface of a, the ridge 5c may be formed on the horizontal bar 5b instead of the vertical bar 5a, or the ridge 5c may be formed on both the vertical bar 5a and the horizontal bar 5b. You may. The height of the protrusion 6 and the protrusion 5c is, for example, 50 m for the protrusion 6.
It is preferable that m and the ridge 5c be 20 mm, and the height difference between the protrusion 6 and the ridge 5c be 30 mm. Further, the size of the lattice hole 5e formed by the vertical rail 5a and the horizontal rail 5b needs to be such that the crushed glass cullet is not deposited on the crushing frame 5, and for example, one side of the lattice hole 5e is It is preferably about 400 mm. SUS is preferable as the material of the glass crushing frame 5, but if a nickel component is mixed in the crushed glass cullet, it becomes a factor that produces NiS when the glass is regenerated, so it is preferable to avoid the use of nickel-based SUS. .

In the glass crushing device thus constructed, the plate glass is crushed as follows.

The crushed double glazing, plate glass, tempered glass, and other plate glass are carried into the work space 2 by an appropriate means such as a crane or a trolley. Then, the glass is lifted by an operator who is in the work space 2, and preferably the plate-shaped glass is directed substantially horizontally so that the plate-shaped glass is substantially perpendicular to the crushing frame 5. It is dropped on the crushing frame 5.

Then, the plate glass first hits the projection 6 and is broken, and then hits the ridge 5c and is broken more finely. Then, the broken glass cullet drops into the hopper 4 and is stored in the cullet storage container 7 arranged below the hopper 4. The cullet container 7 in which glass cullets are collected in an appropriate amount is transported to a cullet processing site by a forklift, a dolly, or the like.

When the plate-shaped glass is a double-layered glass, the projection 6 breaks the glass plate on the lower surface side, and subsequently contacts the glass plate on the upper surface side, and the glass plate on the upper surface side is also destroyed. Then, the spacers, the seals, and the like forming the frame are left on the lattice-shaped crosspieces 5a and 5b.

In the above embodiment, the protrusion 6 is formed in a cylindrical shape, but the protrusion of the present invention may be a prism. Further, in the above-described embodiment, the top surface shape of the protrusion 6 is a flat surface, but it may be another shape such as a conical shape, a pyramid shape, a hemispherical shape. Also, the protrusion 6 is the crushing frame 5.
It may be provided at an appropriate position on the peripheral portion or the corner portion of the.

Further, in the above embodiment, only the upper portion of the crosspiece 5a is formed in a triangular shape, but as in the modification shown in FIG. 3, the triangular convex strip 5d is also formed in the upper part of the crosspiece 5b. You may.

Further, in the above embodiment or the modification shown in FIG. 3, the ridges 5c and 5d of the vertical rail 5a and the horizontal rail 5b are formed continuously, but they are formed discontinuously. May be.

In the above embodiment, the vertical rails 5a and the horizontal rails 5b are orthogonal to each other to form the crushing frame 5 in a so-called lattice shape. However, the vertical rails 5a and the horizontal rails 5b are not necessarily orthogonal to each other. It is not necessary that the crosspieces are intersected with each other so that the holes defined by them may be formed in a mesh shape such as a rhombus or a triangle, and in the present invention, the holes are referred to as a lattice shape.

The arrangement, height, and pattern of the projections 6 and the size of the grid holes 5e formed by the vertical bars 5a and the horizontal bars 5b, that is, the size of the mesh of the grid, etc., are such that the multi-layers to be crushed. The cullet size can be optimized according to various sizes of the glass, and can be appropriately designed so that the recovery rate of the glass cullet of the double glazing is increased.

[0030]

As described above, according to the glass crushing device of the first aspect of the present invention, the plate-shaped glass dropped on the crushing frame collides with the crosspiece, and stress is applied to the portion corresponding to the crosspiece. Since the concentration occurs and the glass is crushed by it, the plate glass can be surely culled, and the equipment is extremely simple, so the equipment cost is low.

Further, in the case of the double-glazing unit, the crushed cullet drops downward from between the crosspieces, and the spacers, seal members and the like around the crosspieces are left on the crosspieces. Sorting work can be omitted.

Further, in the glass crushing device according to claim 2 of the present invention, in the invention according to claim 1, the cross section perpendicular to the longitudinal direction of the crosspiece is formed into a triangle, and the corner thereof is arranged upward. It is characterized by having been set up.

According to the glass crushing device of the present invention, the plate-shaped glass that hits the crosspiece hits the corner portion, so that a larger stress concentration occurs and the crushing is performed reliably.

Further, according to the glass crushing device of the third aspect of the present invention, the plate-shaped glass dropped on the crushing frame first collides with the protrusion and is crushed by a larger stress concentration by the protrusion, and then the crosspiece. Since it is crushed into smaller pieces due to the stress concentration by the crosspiece, the crushing is performed more reliably.

Further, according to the glass crushing device of the fourth aspect of the present invention, since it is installed at the intersection of the crosspieces, the projection is firmly supported and the falling plate glass can be opposed without displacement.

Further, according to the glass crushing apparatus of the fifth aspect of the present invention, the crushed cullet is collected by the hopper and guided to the cullet container or the like placed below the hopper. Collection work becomes easy.

[Brief description of drawings]

FIG. 1 is a perspective view conceptually showing a glass crushing device according to the present invention.

FIG. 2 is a perspective view showing a hopper provided with a glass crushing frame which is a main part of the glass crushing device according to the present invention.

FIG. 3 is a perspective view showing a modified example of a glass crushing frame which is a main part of the glass crushing device according to the present invention.

[Explanation of symbols]

1 ... Machine frame, 2 ... Work space, 3 ... Hole, 4 ... Hopper, 4a ... Opening, 5 ... Glass crushing frame, 5a ... Vertical bar, 5b ... Horizontal bar, 5c, 5d ... Convex ridge, 5e ... Lattice hole , 6
… Protrusions, 7… Cullet container

Continued front page    (72) Inventor Masahiko Horio             18-18 Tomioka, Koto-ku, Tokyo A ・             G-AX Co., Ltd. (72) Inventor Toru Kudo             1-1 Suehiro-cho, Tsurumi-ku, Yokohama-shi, Kanagawa               Asahi Glass Co., Ltd. F-term (reference) 4D067 CG03 GA08

Claims (5)

[Claims] 1. A crushing frame having lattice-shaped crosspieces is provided, and plate glass is dropped onto the crosspieces of the crushing frame.
A glass crushing device, characterized in that plate glass is crushed by the crosspiece. 2. A ridge having a mountain-shaped cross section perpendicular to the longitudinal direction is formed on the upper surface of the crosspiece.
The glass crushing device described in. 3. A projection having a height higher than that of the crosspiece is provided at an appropriate position of the crosspiece.
The glass crushing device described in. 4. The glass crushing device according to claim 3, wherein the projection is provided at an intersection of the crosspieces. 5. The crushing frame is provided on an upper part of a hopper,
Further, the glass crushing device according to claim 1, wherein the glass crushing device is installed so as to close an opening in an upper part of the hopper.