KR200258477Y1 - Roller for solid material crashing apparatus - Google Patents

Abstract

The present invention is a grinding roller for a raw material grinding device for grinding a solid raw material, the pair of grinding members are disposed at a predetermined interval apart to grind the solid raw material; Removably coupled to the crushing member is characterized in that it comprises a rotary shaft member for relatively rotating each crushing member. Thereby, it is possible to effectively reduce the replacement cost of the grinding roller and the resulting work loss.

Description

Crushing Roller for Raw Material Grinding Equipment {ROLLER FOR SOLID MATERIAL CRASHING APPARATUS}

The present invention relates to a grinding roller for a raw material grinding device, and more particularly, to a grinding roller for a raw material grinding device with an improved structure of the grinding roller.

The raw material grinding device refers to a device for crushing a solid raw material lump or making powder. The raw material grinding device is known innumerably, such as a grinding device for use in mills, including a mixer used in the home, but will be described below with respect to the raw material grinding device for grinding the glass raw material for the solid-state cathode ray tube.

The glass article for cathode ray tube is manufactured into a finished product through a predetermined | prescribed shaping | molding process, a grinding | polishing process, and an inspection process. Since glass products for cathode ray tubes are used in TVs or monitors after manufacture, their compositional conditions, molding conditions, and inspection processes are very difficult unlike ordinary glass.

Therefore, the glass article for cathode ray tube goes through a myriad of inspection processes until it is manufactured as a finished product, and the glass article that does not meet a predetermined inspection condition is discarded. The defective glass products discarded in this way are transferred to a raw material grinding device for recycling.

The raw material grinding device for grinding defective glass products goes through several steps depending on the size of the particles to be crushed, but a grinding roller is used to grind the bulky solid glass products to a predetermined size or less.

The grinding rollers are arranged in pairs at predetermined intervals to rotate relatively. Thus, when the solid glass raw material is input between the spacing interval of each grinding roller, the pair of grinding rollers are rotated relative to crush the solid glass raw material.

At this time, the outer surface of each of the grinding rollers (130, 130 ') in the process of grinding the solid glass raw material wears radially inward occurs (see Fig. 7). In this case, the grinding rollers 130 and 130 'are replaced at regular intervals in accordance with the degree of deformation of the grinding rollers 130 and 130'.

However, in such a conventional grinding mill for a raw material grinding device, the deformed grinding roller has a disadvantage that it can only be replaced as a whole. That is, as shown in FIG. 7, which shows a plan view of the grinding roller deformed by abrasion, the worn 'A' region is substantially a portion used for pulverizing the solid material, and the 'B' region is not worn. It has nothing to do with grinding the raw materials.

However, since the conventional grinding roller is manufactured as a single piece that cannot be separated for each part, when the 'A' area is worn out, the grinding roller must be replaced as a whole. Therefore, there is a problem that not only the replacement cost is increased but also a loss that does not work when the grinding roller is replaced.

It is an object of the present invention to effectively reduce the cost of replacing the grinding roller and the resulting work loss.

1 is a layout view of the grinding roller for a raw material grinding device according to the present invention,

Figure 2 is a perspective view of the grinding roller shown in Figure 1,

3 is an exploded perspective view of FIG. 2;

4 is a cross-sectional view taken along line IV-IV of FIG. 2;

5 is an exploded perspective view according to another embodiment of the grinding roller corresponding to FIG. 3;

Figure 6 is an exploded perspective view according to another embodiment of the grinding roller corresponding to Figure 3,

7 is a plan view showing a wear state of a conventional grinding roller.

* Explanation of symbols for the main parts of the drawings

10: belt conveyor 20: grinding raw material receiving unit

31: rotating shaft member 33: grinding member

35,36: Stopper

The above object is, according to the present invention, in the grinding roller for a raw material grinding device for grinding a solid raw material, a pair of grinding members are disposed with a predetermined spacing interval to grind the solid raw material; It is achieved by a grinding roller for a raw material grinding device comprising a rotating shaft member detachably coupled to the grinding member to rotate the respective grinding members relative to each other.

Here, the grinding member is formed with a bearing hole therein so that the rotary shaft member can be inserted.

In order to prevent the grinding member from idling, the shaft member may be fitted with the rotating shaft member. Alternatively, after providing a fixing key for preventing the rotating shaft member from being separated from the bearing hole, the bearing hole and the rotating shaft member may be formed to communicate with each other for the insertion of the fixing key. In addition, an inner spline may be formed in the bearing hole, and an outer spline may be formed in the rotating shaft member to be splined to each other.

On the other hand, a pair of stoppers are provided at both free ends of the rotating shaft member to co-rotate with the rotating shaft member and prevent the crushing member from being separated from the rotating shaft member. At this time, at least one of the pair of stoppers may be separated from the rotating shaft member.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, and like reference numerals refer to like elements.

1 is a layout view of the grinding roller for a raw material grinding device according to the present invention. As shown in this figure, a grinding roller 30, 30 'for the raw material grinding device according to the present invention is disposed on the lower side of the feeder for transporting the solid glass raw material M, and the grinding roller 30, 30'. The lower side of the) is provided with a crushed raw material receiving portion 20 for receiving the crushed raw material.

As a feeder used to transfer the solid glass material (M) to a predetermined position, the present invention applies a belt conveyor (10) widely used. The conveying belt 12 of the belt conveyor 10 is tensioned by a tension part not shown so as to have a predetermined tension, and the glass raw material M carried and transported on the conveying belt 12 is the end of the belt conveyor 10. That is, the conveying belt 12 consisting of a single closed loop is dropped downward in the part which is switched in the opposite direction.

Below the belt conveyor 10, a pair of grinding rollers 30 and 30 'according to the present invention is provided. Hereinafter, one grinding roller 30 of a pair of grinding rollers 30 and 30 'is demonstrated. As shown in FIGS. 2 to 4, the grinding roller 30 is disposed in pairs with a predetermined spacing interval L, and has a cylindrical shaft member 31 and a rotary shaft member 31 which rotate relative to each other. It is provided detachably to the crushing member 33 for pulverizing the solid raw material.

A pair of stoppers 35 and 36 are provided at both free ends of the rotary shaft member 31. The pair of stoppers 35 and 36 are installed to prevent the grinding member 33 from being separated from the rotary shaft member 31 when the grinding member 33 is fitted to the rotary shaft member 31. At this time, any one of each stopper (35, 36) can be separated from the rotary shaft member 31, so that the grinding member 33 can be fitted to the rotary shaft member (31).

In this embodiment, as shown in Figure 3, the upper stopper 35 is to be separated from the rotary shaft member 31. To this end, the male screw portion 31a is formed at the end of the rotary shaft member 31 adjacent to the upper stopper 35, and the female screw portion 35b is formed at the upper stopper 35 so as to be engaged with each other. .

Rotation shafts 35a and 36a are formed on the stoppers 35 and 36. One of the angular rotation shafts 35a and 36a is coupled to a driving unit (not shown) such as a motor. Thus, when the driving unit is operated, the rotational force of the driving unit is transmitted to the stoppers 35 and 36 through any one of the respective rotating shafts 35a and 36a, and the rotating shaft member 31 rotates in association with the grinding member 33. Solid glass raw material (M) can be crushed through.

At this time, in order to prevent the grinding member 33 from idling against the rotary shaft member 31, the grinding member 33 and the rotary shaft member 31 may be coupled to each other as follows.

That is, as shown in FIGS. 3 and 4, the rotary shaft member 31 is pressed by a method such as hot rolling by the bearing hole 33a formed in the grinding member 33. Alternatively, as shown in FIG. 5, after the key grooves 40 and 40a are formed to communicate with the water storage hole 33a 'and the rotation shaft member 31', the rotation shaft member 31 'is formed with the water storage hole 33a'. In the case of insertion), the fixing key 41 is inserted into the key grooves 40 and 40a to prevent the grinding member 33 from idling.

Or, as shown in Figure 6, by forming the inner spline in the water-retaining hole (33a ') and the outer spline formed on the rotary shaft member (31'), so that the spline combined with each other, the grinding member 33 is idle To prevent them.

The grinding member 33 fitted to the rotary shaft member 31 is formed in a tubular shape. Since the grinding | pulverization member 33 is a part which grind | pulverizes the solid glass raw material M substantially, it is preferable to make it the alloy steel containing chromium, nickel, etc. which is excellent in abrasion resistance. In some cases, an embossing protrusion (not shown) for crushing may be formed on the outer surface of the crushing member 33. Since the rotary shaft member 31 and the stoppers 35 and 36 are not a part for pulverizing the glass raw material M, it is not necessary to use an alloy steel having a high cost.

With this configuration, in order to replace the worn grinding roller 30, the upper stopper 35 is separated from the rotating shaft member 31, and then the grinding member 33, which is a worn portion, is removed. Then, the new grinding member 33 is fitted to the rotary shaft member 31, and the female screw portion 35b of the upper stopper 35 is coupled to the male screw portion 31a of the rotary shaft member 31.

As such, in the present invention, only the area substantially worn by the grinding operation can be replaced, thereby significantly reducing the replacement cost. In addition, since the replacement operation is easy, the loss caused by the replacement can be reduced.

In the above-described embodiment, the upper stopper and the rotary shaft member may be mutually screwed together, but the stopper and the rotary shaft member may be mutually interfitted or splined to each other. In this case, the stopper may be prevented from being separated. It is desirable to insert the key.

As described above, according to the present invention, it is possible to effectively reduce the replacement cost of the grinding roller and the resulting work loss.

Claims (7)

In the grinding roller for a raw material grinding device for grinding a solid raw material, A pair of crushing members disposed at predetermined intervals to crush the solid raw material; And a rotary shaft member detachably coupled to the crushing member so as to relatively rotate the crushing members. The method of claim 1, The grinding member is a grinding roller for a raw material grinding device, characterized in that the bearing shaft is formed therein so that the rotary shaft member can be inserted therein. The method of claim 2, The rotating shaft member is forcibly fitted to the bearing hole, the grinding roller for a raw material grinding device. The method of claim 2, And a fixing key for preventing the rotating shaft member from being separated from the bearing hole, wherein the bearing hole and the rotating shaft member are provided with key grooves connected to each other for insertion of the fixing key. For grinding machines. The method of claim 2, An inner spline is formed in the bearing hole, and an outer spline is formed in the rotating shaft member. The method of claim 1, And a pair of stoppers provided at both free ends of the rotary shaft member to co-rotate with the rotary shaft member to prevent the grinding member from being separated from the rotary shaft member. The method of claim 6, At least one of the pair of stoppers is a grinding roller for a raw material grinding device, characterized in that detachable from the rotating shaft member.