JPH05301056A - Grinding device - Google Patents

Abstract

PURPOSE:To automatically perform grinding and screening of a glass sample and to sample glass powder having required particle diameter by providing a grinder, a pestle gripper, a screening machine, a movable carriage joining the screening machine to the grinder and a slide base capable of moving the movable carriage in the longitudinal direction by a slide means. CONSTITUTION:This grinding device is provided with a grinder 2 fitted with a pestle 5 which is vertically moved back and forth toward a placing base 3, a pestle gripper 8 fitted with two gripping members 10a, 10b, a pan 15 and a screening machine 12 arranged with a first screen 16 and a second screen 17. Further, the grinding device is provided with a movable carriage 21 joining the screening machine 12 to the grinder 2 and a slide base 23 capable of moving the movable carriage 21 in the longitudinal direction by a slide means. As a result, glass is automatically ground into powder having required particle diameter and sieved. The grinding device can make it free from the undesirable environment accompanied with grinding.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crushing device for various substances, and more specifically to a crushing device for automatically crushing and sieving glass.

[0002]

2. Description of the Related Art Generally, it is an extremely important requirement for developing and manufacturing glass to accurately grasp various characteristics of a glass sample prepared by melting and shaping a glass raw material.

When measuring the characteristics of glass, in some measuring methods, it is necessary to make a glass sample into a powder having a desired particle size before the measurement. For example, the liquidus temperature of glass is determined by crushing a glass sample into a powder having a particle size of about 200 μm, putting it in a boat-shaped container, holding it in an electric furnace with a temperature gradient for a certain period of time, and then taking it out to precipitate crystals. It is measured by observing the condition.

Conventionally, in order to obtain a glass powder having such a particle size, a method in which a glass sample is placed inside a mortar, manually crushed with a pestle, and then passed through a sieve having a desired mesh is used. Has been taken.

[0005]

However, in the above method, a great amount of labor is required, and since the glass powder is extremely fine, it is scattered in the air and adversely affects the human body of the worker. There is.

The present invention has been made in view of the above circumstances, and mainly involves automatically crushing and sieving a glass sample,
An object of the present invention is to provide a crushing device capable of collecting glass powder having a desired particle size.

[0007]

The crushing device of the present invention is located above a mounting table on which a mortar is mounted, a crusher having a mortar that reciprocates up and down toward the mounting table, and located on both sides of the mounting table. A mortar gripping machine, which grips a mortar from both sides and is capable of inclining in the axial direction, and is equipped with two gripping members that are movable in either one of the axial directions, above the two support plates.
A supporting rod is attached in a vertical direction, a saucer is arranged on an upper surface of a swingable rocking table, a first sieve having a relatively small mesh is provided above the saucer, and a first sieve having a relatively large mesh is provided above the sieve. A sieving machine in which two sieves are arranged, a second sieve is supported by a support rod through a connecting tool, the connecting tool is tiltable in the axial direction, and is movable up and down along the support rod, It is characterized in that it has a moving table connecting the crusher and the sifter, and a long slide table capable of moving the moving table in the longitudinal direction by a sliding means.

[0008]

[Operation] A mortar is placed on a mounting table, and a glass sample to be crushed is put into the mortar. When the pestle is reciprocally moved up and down, the tip of the pestle comes into contact with the glass sample and crushes it. A glass powder having is formed. The time and speed of the reciprocating motion of the pestle are set so that the glass sample is crushed to a desired particle size. After the glass sample was sufficiently crushed, the mortar was gripped by the two gripping members of the mortar gripping machine, then the sieving machine approached the mortar, and the glass powder crushed by tilting the gripping member 180 degrees in the axial direction It is put inside the second sieve. Then, the sieving machine returns to its original position, and the oscillating table oscillates to screen the glass powder. This sieving causes glass powder with the desired particle size to enter the first screen, very small particle size glass powder enters the pan, and larger particle size glass powder remains on the second screen. .. After sieving, the second sieve moves upward along the supporting rod, moves to a predetermined height, and then moves above the mortar, and then the second sieve is fixed to the supporting rod. The connecting tool is tilted by 180 degrees in the axial direction, and the large particle size glass sample remaining on the second sieve is returned to the inside of the mortar.

An air cylinder or a motor is used as a drive source for each member constituting the above-mentioned crushing device.

[0010]

EXAMPLES The present invention will be described in detail below based on examples.

FIG. 1 is a schematic front view of the crushing apparatus of the present invention,
FIG. 2 is a side view of the main parts of the crushing device of the present invention.

The mounting table 3 of the crusher 2 on which the mortar 1 is mounted is
It has an L-shaped sectional structure, and an air cylinder 4 is attached to the upper part thereof. A pestle 5 that reciprocates up and down by the action of the cylinder 4 is attached to the air cylinder 4 via a fixture 6. The shaft of the pestle 5 is made of metal and the tip of the pestle 5 is made of ceramic, and above the mortar 1, there is provided a disk-shaped cover 7 having a hole formed in the center for the purpose of preventing scattering of crushed material. positioned.

Two support plates 9a and 9b constituting the mortar gripping machine 8 are arranged on both sides of the mounting table 3, and two gripping members 10a and 10b are attached to the upper inside of them. The gripping members 10a, 10b are composed of a shaft portion and a holding portion for fixing the constricted portion of the mortar 1. One gripping member 10a is fixed to the support plate 9a by a spherical bearing function such that its shaft portion rotates in the axial direction, and the other gripping member 10b is attached to the support plate 9b via the air cylinder 11. This cylinder 11 can rotate in the axial direction.

A supporting rod 14 is vertically attached to the upper surface of the rocking table 13 of the sieving machine 12, and the tray 1 is also provided.
5 mounting portions are formed. At the top of the saucer 15,
A 50-mesh first sieve 16 is placed, and a 30-mesh second sieve 17 is placed on top of the first sieve 16. The second sieve 17 is connected to the support rod 14 via a connector 18. The second sieve 17 can be rotated in the axial direction by an air cylinder 19 of the connector 18, and can be moved vertically by an air cylinder 20 of the support rod 14. The rocking table 13 is also connected to an air cylinder 22 attached to the upper part of a moving table 21 which will be described later, and is oscillated in the horizontal direction by the action of this cylinder 22, which makes it possible to screen glass powder. ..

The crusher 2 and the sieving machine 12 are a long moving table 2
1, the moving table 21 is connected to a slide table 23 having a slide means through an air cylinder 24, and the slide table 23 has a ball bearing function.
It is movable in the longitudinal direction.

A method of crushing and sieving a glass sample using the crushing device having such a structure is, for example, as follows.

First, after inputting the operation schedule of each air cylinder into the micro sequencer using a programmer, the mortar 1 is placed on the placing table 3 so that the constriction of the mortar abuts on the holding portion of the one holding member 10a. Then, the glass sample to be crushed is put into the mortar 1. First crusher 2
The air cylinder 4 is operated and the pestle 5 reciprocates up and down for 10 minutes at a speed of, for example, 1 reciprocation / 0.4 second, and the glass sample in the mortar 1 is crushed. After the glass sample is crushed to a predetermined particle size, the air cylinder 1 of the mortar gripping machine 8
When the first gripping member 10b is actuated, the other gripping member 10b extends in the axial direction, the mortar 1 is sandwiched between the gripping members 10a and 10b, and then the air cylinder 2 of the slide table 23 is held.
4 operates, the sieving machine 12 moves to the vicinity of the mortar 1, and the air cylinder 11 of the gripping member 10b operates to operate the gripping member 10
The a and 10b are rotated by 180 degrees in the axial direction, and the glass powder in the mortar 1 is put into the second sieve 17. After that, the air cylinder 24 of the slide base 23 is activated to move the sieving machine 12 to the original position, and the air cylinder 22 of the swing base 13 is moved.
Is activated, at a speed of 30 degrees / 0.4 seconds,
The sieves 16 and 17 are shaken in the horizontal direction for 1 minute to perform sieving. At this time, only the powder having a particle size of about 200 μm enters the first sieve 16, the powder having a smaller particle size falls into the saucer 15, and the glass powder having a larger particle size falls to the second sieve 17. Remains in. Next, the air cylinder 20 of the support rod 14 is operated, and only the second sieve 17 is moved upward, and then the air cylinder 24 of the slide table 23 is activated to position the second sieve 17 on the mortar 1. The air cylinder 19 of the connecting tool 18 is actuated to rotate 180 degrees in the axial direction, thereby returning the glass powder remaining in the second sieve 17 to the mortar 1. After that, the air cylinder 19 of the connection tool 18 is activated to move the second sieve 17 to 180 degrees.
The air cylinder 24 of the slide base 23 is activated to return the second sieve 17 to its original position, and the air cylinder 20 of the support rod 14 is activated to operate the second sieve 17 again. Returns to a position above the first sieve 16. Further, the air cylinder 11 operates, and the one gripping member 10b separates from the mortar 1.

When the glass powder having a large particle size returned to the mortar 1 in this way is re-crushed, the above operation may be repeated again.

[0019]

As described above, when the crusher of the present invention is used, glass can be automatically crushed into powder having a desired particle size and sieved, and the labor of the operator is unnecessary. You can move away from the bad environment associated with crushing.

The crushing apparatus of the present invention can be applied not only to the crushing of glass but also to the crushing and sieving of the raw materials for the purpose of making the particle diameters of the glass raw materials uniform. It is possible to obtain various effects.

[Brief description of drawings] [Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 mortar 2 crusher 3 mounting table 5 pestle 8 mortar gripping machine 9a support plate 9b support plate 10a gripping member 10b gripping member 12 sifter 13 swinging table 14 support rod 15 saucer 16 first sieve 17 second sieve 18 connection Tool 21 Moving stand 23 Slide stand

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[Procedure amendment]

[Submission date] February 12, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Brief description of the drawing

[Correction method] Change

[Correction content]

[Brief description of drawings]

FIG. 1 is a schematic front view of a crushing device of the present invention.

FIG. 2 is a side view of a main part of the crushing device of the present invention.

[Explanation of reference symbols] 1 mortar 2 crusher 3 mounting table 5 pestle 8 mortar gripping machine 9a support plate 9b support plate 10a gripping member 10b gripping member 12 sieve 13 swing table 14 support rod 15 saucer 16 first sieve 17th Nino Sieve 18 Connecting Tool 21 Moving Table 23 Sliding Table

Claims (1)

[Claims] 1. A crusher in which a pestle that reciprocates up and down toward the mounting table is mounted above a mounting table on which the mortar is mounted, and a mortar is installed above two supporting plates located on both sides of the mounting table. The mortar gripping machine, which holds two pieces from both sides and is tiltable in the axial direction, and one of which is attached to the mortar holding piece, one of which is movable in the axial direction, and a swing bar in which a supporting rod is attached in the vertical direction. A saucer is arranged on the upper surface of the moving table, a first sieve having a relatively small mesh is arranged above the saucer, and a second sieve having a relatively large mesh is arranged above the saucer, and the second sieve is a supporting rod. Supported by a connecting tool, the connecting tool can be tilted in the axial direction, and can be moved up and down along a supporting rod, a moving table connecting the crusher and the sieving machine, and a sliding means. The length that can move the moving table in the longitudinal direction by A crushing device having a slide base of a length.