KR100223071B1 - Device for shattering - Google Patents

Abstract

The present invention relates to a uniform grinding device, wherein an uneven liner fixed to an inside of an outer cylinder, a grinding disc installed to rotate on an inner side of an uneven liner, a plurality of protrusions and grooves are formed on an outer surface, and a surface of a protrusion It is formed of the uneven portion, and comprises a plurality of grinding spheres fixed to the peripheral portion of the grinding disc, the projections of the projections or protrusions of the grinding sphere is formed so as to reduce the frictional resistance, while forcedly circulating air to cool the heat generating portion Blowing means for making is configured to combine.

The present invention can achieve an increase in production per unit time, miniaturization of the average particle size, uniformity of the particle size distribution, low noise, low heat generation, long life of the components, assembly of the device, production and maintenance, as well as particle size Since the automation of powder coating equipment such as robot coating equipment can be more easily achieved by the uniformity of, it has an excellent effect of greatly improving the value and competitiveness of the device.

Description

Homogenizer

The present invention relates to a uniform grinding device, in particular to finely and finely pulverize the powder, increase the output per unit time, low noise, low heat generation, long life of parts, assembly of the device, simplifying the production and maintenance It relates to a uniform grinding device that can achieve this.

Generally, a pulverizer for crushing raw materials is used in various factories dealing with powders such as pharmaceuticals, resins, rubber, food, paints, chemicals, and metals. Since the raw material is crushed by the semicircular grooves and the circular rods, there is a problem that the particle size of the powder is coarse and uneven. There is a problem in that the heat generation is large, the cylindrical body housing surrounds the internal components, so that the disassembly, assembly of the device is difficult to assemble, the productivity of the device, as well as poor maintenance.

Therefore, the conventional apparatus has reduced production per unit time, coarser average particle size, uniformity of particle size distribution, high noise, high heat generation, short life of parts, complicated assembly, production and maintenance of the device. There is a problem that is caused, and when applied to automatic powder coating equipment, such as robot coating equipment due to coarsening and non-uniformity of the particle size, there was a problem that the movement path of the powder is often blocked, it is impossible to control automatically.

The present invention has been made to solve the above-mentioned conventional defects and problems, finely and uniformly pulverize the powder, increase the output per unit time, low noise, low heat generation, long life of parts, assembly of the device To provide a uniform crushing device that can achieve the production, and the maintenance of the maintenance.

In order to achieve the above object, the concave-convex liner fixed to the inside of the outer cylinder of the uniform grinding device of the present invention, the disk fixed to the upper end of the first shaft in the inner portion of the concave-convex liner, and a plurality of protrusions and grooves It is formed on the surface of the concave-convex liner, and the surface of the projection is formed by the concave-convex portion and comprises a plurality of grinding holes fixed to the peripheral portion of the grinding disk.

In addition, the grinding hole and the classification vane of the grinding disk is formed to reduce the frictional resistance, and comprises a blowing means coupled to cool the heat generating portion by forcibly circulating air in the first shaft.

In addition, the outer cylinder is configured by hinged coupling of a pair of partitioned both of the wall body, the coupling of the clamper for locking to both of the wall, it is configured by the hinge coupled to open and close the cover to the outer cylinder.

1 to 7 is a view of the uniform grinding device of the present invention,

1, 2, 3 is a plan view, front view, and partially enlarged longitudinal sectional view of the uniform grinding device.

4 is a plan view of the grinding means.

4 is a perspective view of the grinding hole.

5 is a perspective view of the grinding hole.

6 shows the blowing means,

(a) is a plan view.

(b) is a perspective view.

(c) is a partial cross-sectional view.

7 is a particle size distribution in accordance with the operation of the present invention.

8 is a particle size distribution diagram according to a conventional operation.

* Explanation of symbols for main parts of the drawings

10: outer cylinder 11, 12: both walls

14: clamper 20: cover

100: uneven liner 110: first shaft

120: grinding disc 130: grinding hole

131: stone 132: home

133: uneven portion 201: rotating plate

202: blade 210: second shaft

400: blowing means 410: blowing ring

Hereinafter, described in detail by the accompanying drawings an embodiment of the present invention as follows.

1 is a plan view of the uniform grinding device, Figure 2 is a front view of the uniform grinding device, respectively, Figure 3 is a longitudinal sectional view of the uniform grinding device, Figure 4 is a plan view of the grinding means, Figure 5 is a perspective view of the grinding hole As shown, the outer cylinder 10 is coupled to the upper surface of the base 1, the cover 20 is coupled to the upper portion of the outer cylinder 10, the upper portion of the outer cylinder 10 The cover 20 is coupled. The outer cylinder 10 is coupled to both walls 11 and 12 so as to be opened and closed to the left and right by the Korean paper 13, and clamps (2) to be coupled to both walls 11 and 12 after coupling. 14 is coupled, and the cover 20 is coupled to the upper and lower ends of the outer cylinder 10 so as to be opened and closed by the hinge portion 22.

Inside the outer cylinder 10 is fixed to the concave-convex liner 100 formed with a myriad of projections and grooves, the grinding disk 120 is fixed to the upper end of the first shaft 110 inside the concave-convex liner 100. And the plurality of protrusions 131 and grooves 132 formed on a surface of the concave-convex liner 100 facing each other are fixed to a peripheral portion of the grinding disc 120. .

4 is a plan view distinguishing the invention from the conventional grinding means, wherein the grinding means according to the present invention is shown on the right side, and the conventional grinding means is shown together on the left side. 4, the concave-convex liner 100 'of the present invention is formed with a narrow pitch gap and a projection of the groove is formed in the conventional concave-convex liner 100' at a wide pitch interval. In addition, a plurality of grinding holes 130 are fixed to the grinding disk 120 of the present invention, and a circular grinding wheel 130 'is formed on the conventional grinding disk 120'.

An air supply pipe 16 is connected to a lower portion of the outer cylinder 10, and a pulverization object supply pipe 15 is connected to an upper portion of the outer cylinder 10 so as to communicate with the concave-convex liner 100 inside the cover. 20, the outlet 21 is formed in the middle portion.

The second shaft 210 is rotatably coupled to the inside of the first shaft 110, and a classifying blade 200 is fixed to an upper end of the second shaft 210, and the inner side of the outer cylinder 10 is fixed. The guider 220 is fixed to the upper end of the concave-convex liner 100. The classification blade 200 has a configuration in which a plurality of blade plates 202 are fixed to the rotating plate 201 fixed to the upper end of the second shaft 210.

Referring to FIG. 4, the conventional blade 202 ′ is radially formed around the shaft 210, but the classification blade 200 according to the present invention has a blade plate 202 in order to reduce frictional resistance. It is fixed inclined at a predetermined angle α with respect to the virtual radial direction.

As shown in FIG. 5, the grinding hole 130 fixed to the grinding disc 120 is formed of a concave-convex portion 133 having a plurality of projections and grooves horizontally formed on the surface of the protrusion 131. A plurality of protrusions and grooves are formed in the liner 100 in the longitudinal direction, and a wear resistant plate 134 such as cemented carbide having high frictional strength is attached to the front surface of the protrusion 131. The grinding hole 130 is fastened to the grinding disc 120 by a bolt 137 inserted into the fastening hole 136 of the fastening part 135. The protrusion 131 or the uneven liner of the grinding part 130 ( The projection of 100 is formed to be inclined by a predetermined angle θ with respect to the vertical direction in consideration of the resistance coefficient of the powder flow, so that the frictional resistance is reduced.

The first shaft 110 and the second shaft 210 are rotatably supported independently from each other by the support means 300, and the first shaft 110 is blown means 400 for cooling by forced air blowing ) Are coupled, and the electric pulleys 117 and 118 are fixed to lower ends of the first and second shafts 110 and 210, respectively.

The support means 300 is the first shaft 110 is coupled to the shaft housing 301 fixed to the base 1 via the bearing 302, 303, the hollow portion of the first shaft 110 The second shaft 210 is coupled to the configuration via the bearings 304 and 305, the outer side of the shaft housing 301 is fixed to the protective cylinder 306 for preventing the inflow of dust, The packing 307 is fixed to the upper end of the celebration housing 301.

6 (a) is a plan view of the blowing means, (b) is a perspective view of the blowing ring, (c) is a partial cross-sectional view of the blowing ring, respectively, referring to this, the blowing means 400 is a first shaft ( The blowing ring 410 is coupled to the upper portion of the 110, the blowing ring 410 is formed with a plurality of grooves 411 for forcibly blowing air from the outside to the inside, the screw on both sides of the main wall The groove 412 is formed to be inclined so as to be lowered from the outside to the inside, and is configured to be fastened to the first shaft 110 by a strand inserted into the screw groove 412.

And, the filter 420 is coupled to the circumferential wall of the protective container 306 may be configured so that the air filtered through the inlet hole 308 is introduced.

The uniform grinding device of the present invention as described above supplies the grinding object to be crushed through the supply pipe 15, and supplies the air through the air supply pipe 16 to the electric pulleys 117 and 118. When the first shaft 110 and the second shaft 210 are rotated by the transmitted power, the grinding disc 1200 fixed to the first shaft 110 and the classifying blade 200 fixed to the first shaft 210 are rotated. Rotating independently of each other, the plurality of grinding spheres 130 fixed to the periphery of the grinding disc 120 is rotated together so that the grinding object is a triangle of the protrusion 131 and the uneven liner 100 of the grinding sphere 130 It is pulverized between the projections, the pulverized powder is discharged through the outlet 21 of the cover 20 in the upward flow generated by the rotation of the classification vane 200.

Such a uniform grinding device of the present invention is formed in the concave-convex liner 100 is formed in a narrow gap with a triangular projection and groove in a narrow gap, the projection 131 of the recovery dog in the grinding hole 130 fixed to the outer peripheral portion of the grinding disk 120 Since the groove 132 is formed and the surface of the protrusion 131 is formed of a dense uneven portion 133, the object to be crushed is finely and uniformly crushed in a large amount per unit market therebetween.

In addition, the protrusions 131 of the crushing holes 130 or the protrusions of the uneven liner 100 are formed to be inclined at a predetermined angle θ with respect to the vertical direction, so that the frictional resistance is reduced, and the blade plate 202 of the classification blade 200. ) Is inclined at a predetermined angle (α) with respect to the radial direction, the frictional resistance is reduced, so that the grinding disk 120 and the classifying blade 200 smoothly rotates.

In addition, while the blowing ring 410 fixed to the first shaft 110 rotates together as the first shaft 110 rotates, the groove 411 formed in the blowing ring 410 receives the outside air by positive pressure. By forced circulation, the heat generating parts of the first shaft 110 and the second shaft 210 are cooled, thereby preventing noise and rotating more smoothly.

On the other hand, the uniform grinding device of the present invention is hinged to both walls 11, 12 constituting the outer cylinder 10 is opened and closed 360 degrees to the left and right, the cover 20 on the upper portion of the outer cylinder 10 Since the hinge is coupled to open and close up and down, the device can be easily disassembled and assembled, thereby facilitating assembly, productivity and maintenance of the device.

Figure 7 shows a particle size distribution according to the operation of the present invention, Figure 8 shows a particle size distribution before improvement, the present invention is a particle size of the powder is distributed in a narrow width of 10㎛ to 100㎛ range, conventionally 1 It can be seen that it is distributed in a wide width in the range of 1㎛ to 1300㎛, it can be seen that the device of the present invention can grind the powder very fine and uniformly compared to the conventional apparatus.

Uniform grinding device of the present invention as described above has the advantage that the grinding object is finely and uniformly crushed between the uneven liner 100 and the grinding hole 130, the frictional resistance of the grinding hole 130 is reduced, There is an advantage that the frictional resistance of the classifying blade 200 is reduced, the blow ring 410 is fixed to the first shaft 110 has the advantage of cooling the heat generating by forcibly circulating air, the outer cylinder 10 Both walls 11 and 12 of the hinge are hinged to open and close 360 degrees to the left and right, and the cover 20 is hinged to open and close up and down, there is an advantage that the assembly and disassembly of the device is very simple and easy. .

Therefore, the present invention can achieve an increase in production per unit time, minimization of the average particle size, uniformity of the particle size distribution, low noise, low heat generation, long life of the components, assembly of the device, production and maintenance, as well as the size of the particle size Uniformization makes it easier to automate powder coating equipment, such as robot coating equipment, and has an excellent effect of significantly improving the value and competitiveness of the device.

While the embodiments of the present invention have been described so far, the present invention is not limited thereto, and various embodiments which can be modified and changed within the true spirit and scope of the principles described and claimed are within the protection scope of the present invention. You will have to understand.

Claims (2)

The concave-convex liner 100 is coupled to the inside of the outer cylinder 10, and the grinding disc 120 is fixed to an upper end of the first shaft 110 rotatably installed on the inner side of the concave-convex liner 100. In the grinding apparatus, the classifying blade 200 provided with the plurality of blade plates 202 on the rotating plate 201 is coupled to the second shaft 210 rotatably coupled to the longitudinal hole of the first shaft 110. The plurality of protrusions 131 and the groove 132 are formed on the surface of the concave-convex liner 100 and the convex-convex portions 133 having a plurality of horizontal protrusions and grooves are formed on the surface of the protrusion 131. A plurality of grinding holes 130 are fixed to the periphery of the grinding disk 120, the projection 131 of the grinding holes 130 or the projection of the uneven liner 100 in the vertical direction so that the rotational frictional resistance is reduced It is formed to be inclined by a predetermined angle (θ) and forced air is blown from the outside to the inside. A plurality of grooves 411 a blowing ring 410 is formed to a uniform crushing device, characterized in that configured is fixed to the first shaft (110). According to claim 1, wherein the outer cylinder (10) is configured by hinged pair of opening and closing the pair of both walls (11, 12) to the left and right, for locking to both walls (11, 12) Clamper 14 is coupled, the uniform crushing device, characterized in that the cover 20 is configured to be hinged to open and close up and down.

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