KR200184496Y1 - Cursher for sand making - Google Patents

Abstract

The present invention relates to a sand grinder for sand manufacturing apparatus, and since the conventional grinder is simply pulverized in a cylindrical crushing roll, it is not possible to obtain crushed particles having a uniform particle size and the crack state of crushed particles, which are sand particles, is not properly resolved. Even though curing with mortar, there was a problem that the strength is weak due to the crack particles.

In order to solve this problem, the present invention has a flat screen 111 installed at an inclined top, and a hopper 110 formed with a narrower bottom portion than the width of the screen 111, and a center portion at the bottom of the hopper 110 up / down. More convex jar-shaped pulverizing body 123 is formed so as to be installed continuously therein rotating drums (125, 126) in which a plurality of crushing rods 127 are arranged at regular intervals in the axial direction and at a predetermined angle in the axial direction. The plurality of grinders 121 and 122 and the lower end of the grinder 122 are formed in a dish-shaped cross section so as to have a discharge port 114 at one end thereof, and a flat screen 112 is mounted on the upper end thereof and is inclined. Sand production comprising a chute 113 and a starter motor 115 installed under the chute 113 and connected to the drum shaft 127 of the rotary drum 126 on the grinder 122 side and the belt 117. To provide a mass grinder for the device The.

Description

Masai grinding machine for sand manufacturing equipment

The present invention relates to a sand mill for sand production equipment, and more particularly, to a sand mill for sand production equipment in which the quarried masato is crushed by a drum and finely ground into sand particles.

In general, the ore is collected from mines or rocks, and the collected ore is first crushed in an aggregate production plant, and the crushed ore masato of the crushed ore is rotated at the same time, so that two grinding rolls arranged at regular intervals are rotated to sand particles. To be crushed.

Masato of such a gemstone was crushed by a pair of crushing rolls and polished with a polishing screw of a constant length to obtain sand particles.

Therefore, such a conventional pulverizer is simply pulverized into a cylindrical crushing roll, and thus, it is not possible to obtain crushed particles of uniform particle size. There was a problem that becomes vulnerable.

The purpose of the present invention is to research and develop to solve the problems and problems of the prior art as described above, by filtering the screen so that only the raw material Masato of about 5cm or less is put into the grinder with water through the alveoli A sand making apparatus that can be pulverized to a predetermined size by at least two stages of rotating drums, and in particular, to prevent dust generation while crushing masato, and to mitigate the impact with the masato particles to remove the cracks generated during crushing. To provide a mass grinding machine for.

In addition, another object of the present invention is to provide a sand grinder for sand production apparatus provided with a side cover of the crushing body so that the entire rotating drum or only the crushing rod can be easily replaced according to the degree of wear of the rotating drum. .

1 is a perspective view showing a mass grinder for sand production apparatus according to the present invention.

Figure 2 is a perspective view showing only one grinder separated in the present invention.

3 is a cross-sectional view of the present invention.

* Explanation of symbols for main parts of the drawings

110: hopper 111,112: screen

113: chute 114: discharge port

115: starting motor 116,131: pulley

117,118 belt 119 watering machine

121,122: grinder 123: grinding body

123a: Inlet 123b: Outlet

125a: side cover 124b: front cover

125,126: rotating drum 127: crushing rod

127a: thread portion 127b: support piece

127c: loosening bolt 128: drum shaft

129: bearing 130: balance wheel

In order to achieve the above object, the present invention provides a hopper having a flat screen inclined at an upper end thereof and having a lower end portion narrower than the width of the screen, and a pulverized body having a convex jar shape at a lower end of the hopper. It is formed to be installed continuously, and inside the rotating drum arranged a plurality of crushing rods at regular intervals in the axial direction and at a predetermined angle in the axial direction, and easy to replace the rotating drum and crushing rods installed in the grinding body And a pulverizer having a side cover or a front cover attached to the pulverizing body, and a sand pulverizer for sand making apparatus, which is provided at a lower part of the chute, and is a starting motor connected to a shaft and a belt of a pulverizer-side rotating drum. There is this.

In addition, the crushing rod of the rotating drum is fastened with a screw coupling around the fastening bolts, it is to provide a mass grinder for sand production apparatus to form a narrower and lower intervals from the top to the bottom downward.

And the present invention can be sprayed into the pulverization body or hopper of the crusher can be sprayed with suitable water to remove the cracks generated during the crushing by mitigating the impact with the masato particles while preventing dust generation when the mashato is crushed by the rotary drum of the crusher It is characterized by the fact that the sprayer can be installed.

Hereinafter, specific features of the present invention will be easily understood by explaining the present invention in detail with reference to the accompanying drawings.

1 to 3 are a perspective view and a cross-sectional view for explaining the sand grinder for sand production apparatus according to the present invention.

As shown in the figure, the hopper 110 is formed of a long, trapezoidal trapezoid with a wide top and a narrow bottom. A flat screen 111 is inclined at the top thereof, and the screen 111 is a gemstone of 50 mm or less. Is formed to pass.

The grinders 121 and 122 are installed in two stages in a row at the lower end of the hopper 110, which is formed as a jar-shaped grinding body 123 having a convex center portion than the upper and lower surfaces thereof, and an inlet 123a at the upper and lower ends thereof. ) And a discharge port 123b are formed and a separate side cover 124a is mounted to facilitate replacement of the rotating drums 125 and 126 installed therein at both ends thereof.

Inside the grinding body 123, a rotating drum 125 having a plurality of crushing rods 127 arranged at a predetermined interval and a predetermined angle in the axial direction is rotatably installed, and both ends of the rotating drums 125 and 126 are crushed. The drum shaft 128 extends to protrude through the side cover 124a mounted at both ends of the body 123, and both ends of the drum shaft 128 are supported by the bearing 129.

The crushing rods 127 formed on the main surfaces of the rotating drums 125 and 126 are alternately mounted in zigzag, and the crushing rods 127 of the lower rotating drum 126 of the crushing rods 127 are rotated on the upper side. The spacing should be formed a little narrower and lower than the crushing rod 127 of (125).

The crushing rod 127 has a threaded portion 127a fastened to the female threaded holes 125a and 126a of the main surfaces of the rotating drums 125 and 126 formed under the support piece 127b, and the support piece 127b is a screw portion 127a. Is fastened by an anti-loosening bolt 127c so as not to loosen. The front cover 124b is installed on the front or rear surface of the grinding body 123 so as to replace the crushing rods 127 of the main surfaces of the rotating drums 125 and 126 without disassembling the rotating drums 125 and 126.

The balance wheel 130 which continuously maintains the rotational force while holding the crushing impact of the rotating drums 125 and 126 at one end of the drum shaft 128 of the rotating drum 125 forming the upper side grinder 121 among the grinders 121 and 122. The drum shaft 128 of the rotating drum 126 forming the drum shaft 128 of the rotary drum 126 constituting the upper grinder 121 or the other end or the lower grinder 122. Pulleys 131 are installed at both ends to be connected to the pulley 116 of the starting motor 115 or to connect the drum shafts 128 of the upper and lower grinders 121 and 122 to the belts 117 and 118.

The rotating drums 125 and 126 are small in diameter of 40 cm and are changed only in length without changing the diameter according to the capability of the production equipment. If the degree of crushing is required, such as fine particles, the number of rotating drums can be increased in multiple stages.

A flat screen 112 is mounted at the lower end of the grinder 126 and a chute 113 having a dish-shaped cross section is installed to have a discharge port 114 at one end thereof, and the discharge port 114 side of the chute 113 is installed. The chute 113 and the screen 112 are inclined so that they may be located in the lower part.

A starting motor 115 is installed at a lower portion of the chute 113, and the pulley 116 of the starting motor 115 is connected to the drum shaft 128 of the rotating drum 126 inside the lower grinder 122. The pulley 131 and the belt 117 are connected.

Rotating drum to the hopper 110 to remove the dust generated by the impact during the crushing while preventing the dust generated during the input and crushed Masato as a stone and to wash off the sludge and clay material attached to the crushed particles Sprinkler 119 is mounted over the entire width of 126, which is connected so that water (wash water) is supplied from a pump (not shown) and watered while adjusting the quantity according to the strength of Masato. have.

The sprinkler 119 is shown as installed in the hopper 110, but may be selectively installed in the upper / lower grinder (121, 122).

The sand grinder for sand manufacturing apparatus of the present invention configured as described above has a drum shaft 128 on the grinder 122 side connected to the pulley 116 of the starting motor 115 by a belt 117 while the starting motor 115 is started. Since the pulley 131 of the rotary drum 126 of the lower grinder 122 is rotated. As the rotating drum 126 is rotated, the upper grinder 121 is also connected to the belt 118, so that the rotating drum 125 of the upper grinder 121 is interlocked.

The rotating drums 125 and 126 of the upper and lower grinders 121 and 122 are reached at a constant rotational speed by the starting motor 115 and the balance wheel 130, and the rotating drums 125 and 126 of the upper and lower grinders 121 and 122 are rotated. In the state that continues to rotate) supplies the raw material Masato to the hopper (110). The Masato is supplied to the screen 111 on the top of the hopper 110, and only the Masato of 50 mm or less is supplied to the inside of the hopper 110 by the screen 11 and stored, and the remaining Masato larger than the particles are hung on the screen 11. Is trapped out.

Masato stored in the hopper 110 flows together with the water sprayed by the sprayer 119 and is crushed by colliding with the crushing rods 127 formed on the rotating drums 125 and 126 of the upper and lower grinders 121 and 122. . Since the shredders 121 and 120 are formed in a jar shape in which the grinding body 123 is convex in the center, Masato hitting the crushing rods 127 of the rotating drums 125 and 126 is blown off and collided with the grinding body 123 secondly. It quickly gathers down.

As such, when Masato is crushed, the balance wheel 130 mounted on the drum shaft 128 on one side of the rotating drum 125 holds the crushing impacts of the rotating drums 125 and 126 against the crushing rods 127 and Masato. Maintains a smooth torque.

Since masato is introduced into the crushing body 123 together with water, even if the crushed by the crushing rods 127 of the rotating drums 125 and 126, the dust generated during the crushing of the masato does not fly, but is generated by the impact during the crushing. Sludge and clay adhering to the surface of Masato are washed away while cracks are formed.

At this time, Masato, which is a raw stone, is crushed by the strength of each of other minerals such as quartz, quartz, feldspar, mica, and calcareous, and the cracked particles of quartz and silica are also separated from the rotational force of the rotating drums 125 and 126, While passing through the rotating drums 125 and 126 having different sizes and thicknesses, the particles of Masato are formed to have a particle size of sand and are discharged onto the screen 112 of the chute 113.

Masato discharged to the screen 112 of the chute 113 is caught through the screen 112 only the particles that are not shredded to a predetermined size is caught out and the remainder shredded to the size of sand particles through the screen 112 Collected in the chute 113 is moved to the next step through the discharge port 114.

As described above, according to the sand grinder for sand making apparatus according to the present invention, the Masato, which is about 5 cm or less, is introduced into the grinder through the hopper, and is crushed to a predetermined size by at least two rotating drums. When crushed, water is sprayed from the sprayer, so that dust is blown or the sludge and clay material are washed and crushed.

In addition, the present invention has a unique effect that can be easily provided by the side cover of the crushing body to replace and maintain the rotating drum and the crushing rod according to the degree of wear of the rotating drum crushed rod.

Claims (7)

A flat screen 111 is inclined at the top and the bottom of the hopper 110 is formed to be narrower than the width of the screen 111, and the lower portion of the hopper 110 has a center-shaped convex body that is more convex than the upper / lower surface. A plurality of grinders 121 and 122 are formed so that the 123 is installed continuously, and there are rotating drums 125 and 126 in which a plurality of crushing rods 127 are arranged at regular intervals in the axial direction and at regular angles in the axial direction. And a start motor 115 installed below the chute 113 and connected to the drum shaft 127 of the rotary drum 126 of the grinder 122 side and the belt 117. Mass grinding machine for manufacturing equipment. The crushing rods 127 of the rotating drums 125 and 126 are formed at a lower end thereof with threaded portions 127a fastened to female threaded holes 125a and 126a of the main surfaces of the rotating drums 125 and 126. Sanding device for mass production apparatus characterized in that the support piece (127b) is formed on the fastening prevention bolt (127c) is fastened so as not to loosen the screw portion (127a). The front surface of claim 1 or 2, wherein the crushing rods 127 of the main surfaces of the rotating drums (125, 126) can be exchanged without disassembling the rotating drums (125, 126) in the front and rear surfaces of the grinding body (123). Masai grinding machine for sand production apparatus, characterized in that the cover (124b) is installed. According to claim 1 or 2, wherein the crushing rods (127) of the rotating drum (125, 126) is a sand grinding machine for sand production apparatus, characterized in that the interval is narrower and lower toward the lower side. The sand crusher for sand making apparatus according to claim 1, wherein the hopper 110 and the pulverizing body 123 of the pulverizers 121 and 122 are provided with a sprayer 119 so as to spray proper water at the full width thereof. . The sand grinder of claim 1, wherein a separate side cover (124a) is attached to both ends of the grinding barrel (123) so as to easily replace the rotating drums (125, 126) installed therein. According to claim 1, wherein the lower end of the crusher 122 is formed with a plate-shaped cross section to have a discharge port (123b) on one side end and is provided with a chute 113 inclined flat screen 112 on the top Maa grinding machine for sand manufacturing apparatus characterized by the above-mentioned.