CN204220223U - Diadust rod mill - Google Patents

Abstract

The utility model relates to a grinding equipment, in particular to a diamond micropowder rod mill with a controllable crushing particle size, which comprises a base, a support frame, a support bearing, a cylinder body and a driving device. The inner cavity of the cylinder is provided with abrasive rods. Both ends are provided with sealing heads, the abrasive rods are arranged parallel to the central axis of the cylinder, the support bearings are located at both ends of the cylinder, the driving device drives the cylinder to rotate through the transmission mechanism, and the middle of the outer wall of the cylinder The position of the feed inlet is set, that is, the feed inlet is set in the middle of the busbar on the outer wall of the cylinder, and the feed inlet is blocked by a blocking device. There are multiple through holes on the outer wall of the cylinder, and a screen is set around the outer wall. . The feeding port of the diamond micropowder rod mill of the utility model is set in the middle of the outer wall of the cylinder, and the materials added to the inner cavity of the cylinder are evenly dispersed in the inner cavity of the cylinder, which is beneficial to crushing, does not cause the phenomenon of materials gathering together, and improves the crushing efficiency .

Description

Diamond Micro Powder Rod Mill

technical field

The utility model relates to a grinding device, in particular to a diamond micropowder rod mill with a controllable crushing particle size.

Background technique

At present, the grinding machines for crushing materials at home and abroad mainly use rod mills and ball mills. Among them, the ball mill uses the impact of spheres to achieve the effect of crushing materials. The main disadvantage is that it cannot directly produce products with a certain particle distribution. , Low production efficiency. However, the existing rod mill mainly uses the electrode to drive the eccentric excitation block through the linkage to generate excitation, so that the cylinder and the frame vibrate together under the support of the spring to achieve the crushing effect. The disadvantage is that there are too many vibration components and the coupling Easy to damage, short spring life and excessive energy consumption; in order to solve the problems of poor grinding effect, low efficiency, complex structure and short service life of existing rod mills and ball mills.

The Chinese Utility Model Patent No. 201020237005 discloses a rod mill including a feeding part, a barrel, a discharging part and a driving device. The feeding part and the discharging part are located at the center of both ends of the One end of the cylinder is likely to cause the materials added to the cylinder to gather at one end of the cylinder, resulting in low grinding efficiency and easy to cause infinite crushing.

Chinese utility model patent, application number 2011203615122 discloses a drum-type powder rod mill, the grinding cylinder (4) of the rod mill (4) feed port (13) communicates with the inner cavity of the right "U" ring , the feeding port of the right "U" ring is connected with the feeding port of the hopper, although it is said that the upper part of the grinding cylinder is fed, but the feeding port 13 of the grinding cylinder (4) is still located at one end of the grinding cylinder, the same It will cause the phenomenon that the materials gather together, resulting in uneven crushing force, more fine materials and low efficiency.

Utility model content

The utility model provides a diamond micropowder rod mill aiming at the deficiencies and defects of the prior art.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a diamond micropowder rod mill, including a base, a support frame, a support bearing, a cylinder body and a driving device. The end is provided with a head, the abrasive rod is arranged parallel to the central axis of the cylinder, the support bearings are located at both ends of the cylinder, the driving device drives the cylinder to rotate through the transmission mechanism, and the middle of the cylinder wall The position of the feed inlet is set, that is, the feed inlet is set in the middle of the busbar on the outer wall of the cylinder, and the feed inlet is blocked by a blocking device. There are multiple through holes on the outer wall of the cylinder, and a screen is set around the outer wall. .

In the above-mentioned diamond micropowder rod mill, the abrasive rod is a stepped abrasive rod, and the diameter of the two ends of the abrasive rod is larger than the diameter of the middle part.

In the above diamond micropowder rod mill, the support bearing is a hydrostatic bearing.

In the above-mentioned diamond micropowder rod mill, the sealing device includes a sealing plug, a pressing plate, a compact block and a casing, and the sealing device is threadedly connected to the feed port through the sealing plug; the pressing plate is fixed on the upper end of the sealing plug, A pressing block is arranged on the upper surface of the pressing plate; the casing is in the shape of a cylinder, and the casing is set on the outside of the pressing plate and fixed on the outer wall of the cylinder.

In the above-mentioned diamond micropowder rod mill, the support frame is a U-shaped support frame, and the middle part of the upper end of the U-shaped support frame supports the support bearing.

In the above-mentioned diamond micropowder rod mill, the driving device is an electric motor, the transmission mechanism is gear meshing transmission, the driving gear is installed on the output shaft of the electric motor, and the driven gear is arranged at one end of the outer wall of the cylinder.

In the above-mentioned diamond micropowder rod mill, a counterweight is installed on the outer wall of the cylinder.

The beneficial effects of the utility model are:

1. The feeding port of the diamond micropowder rod mill of the utility model is set in the middle of the barrel wall, and the materials added to the inner cavity of the barrel are evenly dispersed in the inner cavity of the barrel, which is beneficial to crushing and does not cause the phenomenon of materials gathering together. Improve crushing efficiency.

2. There are multiple through holes on the barrel of the utility model, and a screen is set on the outer wall of the barrel. When the diamond particles are crushed to the required particle size, they will leak out of the barrel through the screen to avoid further crushing. There will be no "infinite crushing" phenomenon, the particle size is controllable, the uniformity of the crushed diamond particles is improved, the fine material is reduced, the dust is reduced, and the output rate is increased.

3. The design of the utility model is reasonable, and the blocking device of the feeding port is simple in structure, safe and reliable.

Description of drawings

Fig. 1 is the structural representation of the utility model diamond micropowder rod mill;

Fig. 2 is the schematic diagram of the section structure of A-A in Fig. 1;

Fig. 3 is the structure schematic diagram that the utility model diamond micropowder rod mill removes screen cloth;

Fig. 4 is the structural representation of the abrasive rod of the utility model diamond micropowder rod mill;

Fig. 5 is a schematic structural view of the plugging device of the diamond micropowder rod mill of the present invention.

The meanings of the symbols in the figure are: 1. Screen, 2. Head, 3. Support bearing, 4. Support frame, 5. Cylinder, 6. Base, 7. Motor, 8. Driving gear, 9. Driven Gear, 10, plugging device, 11, abrasive rod, 12, plugging, 13, gasket, 14, casing, 15, elastic washer, 16, pressing block, 17, pressing plate.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

Embodiment 1: referring to Fig. 1 to Fig. 5, a kind of diamond micropowder rod mill comprises a base 6, a support frame 4, a support bearing 3, a cylinder body 5 and a driving device, and the inner cavity of the cylinder body 5 is provided with abrasive rods, Both ends are provided with sealing heads 2, the abrasive rods 2 are arranged parallel to the central axis of the cylinder 1, the support bearings 3 are located at both ends of the cylinder 5, and the driving device drives the cylinder 5 to rotate through a transmission mechanism , the middle position of the cylinder wall of the cylinder body 5 is provided with a feed inlet, that is, the feed inlet is located at the middle position of the left and right ends of the cylinder body 5, and the feed inlet is blocked by a blocking device 10, and the outer wall of the cylinder body 5 is provided with There are a plurality of through holes, and a screen 1 is set around the outer wall. The type of the screen 1 is determined according to the particle size of the crushed diamond particles, and the selection is more flexible and convenient.

In the above-mentioned diamond micropowder rod mill, the abrasive rod 11 is a stepped abrasive rod, and the diameter of the two ends of the abrasive rod is larger than the diameter of the middle part.

In the above-mentioned diamond micropowder rod mill, the support bearing 3 adopts a hydrostatic bearing.

In the above-mentioned diamond micropowder rod mill, the plugging device 10 includes a plugging plug 12, a pressing plate 17, a compacting block 16 and a casing 14, and the plugging device 10 is threadedly connected with the feed port through the plugging plug 12; The pressing plate 17 is fixed on the upper end of the sealing plug 12, and the upper surface of the pressing plate 17 is provided with a pressing block 16; the casing 14 is cylindrical, and the casing 14 is set on the outside of the pressing plate 17 and fixed on the outer wall of the cylinder body 5, The casing 14 is used to prevent the pressing plate 17 from shaking as the cylinder body 5 rotates.

In the above-mentioned diamond micropowder rod mill, the support frame 4 is a U-shaped support frame, and the middle part of the upper end of the U-shaped support frame supports the support bearing 3 .

In the above-mentioned diamond micropowder rod mill, the driving device is the motor 7, the transmission mechanism is gear meshing transmission, the driving gear 8 is installed on the output shaft of the motor 7, and the driven gear 9 is arranged at one end of the outer wall of the cylinder 5.

In order to prevent the cylinder 5 from shaking when it rotates, in the above-mentioned diamond micro powder rod mill, a counterweight is installed on the outer wall of the cylinder 5 .

Claims (7)

1. A diamond micropowder rod mill, comprising a base, a support frame, a support bearing, a cylinder body and a driving device, the cylinder inner cavity is provided with abrasive rods, and its two ends are provided with heads, and the abrasive rods are parallel to the cylinder The central axis of the cylinder body is set, the support bearings are located at both ends of the cylinder body, and the driving device drives the cylinder body to rotate through the transmission mechanism. Blocking is carried out by a blocking device. The outer wall of the cylinder is provided with a plurality of through holes, and the outer wall is surrounded by screens. 2. The diamond micropowder rod mill according to claim 1, characterized in that: the abrasive rod is a stepped abrasive rod, and the diameter of both ends of the abrasive rod is larger than the diameter of the middle part. 3. The diamond micropowder rod mill according to claim 1, characterized in that: the supporting bearing is a hydrostatic bearing. 4. The diamond micropowder rod mill according to claim 1, characterized in that: the plugging device comprises a plugging plug, a pressing plate, a compacting block and a casing, and the plugging device is threadedly connected to the feed port through the plugging plug The pressing plate is fixed on the upper end of the sealing plug, and a pressing block is arranged on the upper surface of the pressing plate; the casing is in the shape of a cylinder, and the casing is set on the outside of the pressing plate and fixed on the outer wall of the cylinder. 5. The diamond micropowder rod mill according to claim 1, characterized in that: the support frame is a U-shaped support frame, and the middle part of the upper end of the U-shaped support frame supports the support bearing. 6. The diamond micropowder rod mill according to claim 1, characterized in that: the driving device is a motor, the transmission mechanism is a gear meshing transmission, the driving gear is installed on the output shaft of the motor, and the driven gear is arranged on One end of the outer wall of the cylinder. 7. The diamond micropowder rod mill according to claim 1, characterized in that: a counterweight is installed on the outer wall of the cylinder.