Energy-saving ball mill

Abstract

The utility model discloses an energy-saving ball mill which comprises a machine shell, a feeding mechanism is arranged on one side of the machine shell, a discharging port is fixedly connected to the lower end of the machine shell, a roller is arranged in the machine shell, steel balls are arranged in the roller, a plurality of sieve holes are formed in the outer surface of the roller at equal intervals, and the sieve holes are communicated with the feeding mechanism. One end of the roller is fixedly connected with an annular gear, a frame-shaped support is arranged at the lower end of the side, close to the annular gear, of the machine shell, a motor is fixedly installed on one side of the frame-shaped support, the output end of the motor penetrates through the frame-shaped support and is fixedly connected with a circular gear, and the circular gear is meshed with the annular gear. According to the utility model, the screening holes are formed in the roller, so that the situation that the expected granularity cannot be achieved by grinding monoammonium phosphate crystal materials is prevented.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of ball mill, concretely is a kind of energy-saving ball mill. BACKGROUND

[0002] A kind of equipment plays a key role in the production process of monoammonium phosphate, it mainly is through grinding medium in the inside of rotating mill barrel to the monoammonium phosphate crystalline material impact, grinding, make material particle more small and uniform, to effectively improve the particle size and quality of monoammonium phosphate crystallization.

[0003] The existing energy-saving ball mill cannot discharge the material that has reached the required fineness in time when grinding monoammonium phosphate crystalline material, so that these materials continue to be ground in the drum, prolong the grinding time, and the overall grinding efficiency is relatively low, and the particle size distribution of the product in the drum is difficult to control accurately, which can easily cause over-crushing or uneven product particle size. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the grinding of monoammonium phosphate crystalline material by the existing energy-saving ball mill cannot reach the expected particle size, and proposes an energy-saving ball mill.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] An energy-saving ball mill, comprising a casing, a feeding mechanism is provided on one side of the casing, a discharge port is fixedly connected to the lower end of the casing, a drum is provided in the casing, steel balls are provided in the drum, a plurality of screen holes are provided at equal intervals on the outer surface of the drum, an annular gear is fixedly connected to one end of the drum, a frame-type support is provided on the lower end of the side of the casing close to the annular gear, a motor is fixedly installed on one side of the frame-type support, a circular gear is fixedly connected to the output end of the motor and penetrates the frame-type support, and the circular gear is engaged with the annular gear.

[0007] As a further description of the above technical scheme, an arc-shaped hole is provided at one end of the casing close to the discharge port, and the circular gear penetrates the arc-shaped hole and is slidingly connected with the inner wall of the arc-shaped hole.

[0008] As a further description of the above technical scheme, annular support rods are fixedly installed on the outer surfaces of both ends of the drum, and both annular support rods are rotatably connected with the inner wall of the casing.

[0009] As a further description of the above technical scheme, first and second support frames are fixedly connected to both sides of the casing, respectively, and the frame-type support is fixedly installed on the second support frame.

[0010] As a further description of the above technical scheme, the feeding mechanism comprises a conveying pipe fixedly connected to one side of the casing, the conveying pipe is in communication with the casing, a feeding port is formed in the upper end of the side of the conveying pipe away from the casing, a spiral conveyor is rotatably installed in the conveying pipe, and the center end of the spiral conveyor penetrates through the conveying pipe.

[0011] As a further description of the above technical scheme, the center end of the circular gear is fixedly connected with a rotating shaft, one end of the rotating shaft away from the circular gear penetrates through the frame support and is rotatably connected with the frame support, and the center end of the circular gear and the center end of the spiral conveyor are both fixedly connected with pulleys, and the outer surfaces of the two pulleys are sleeved with a belt.

[0012] As a further description of the above technical scheme, the discharging port is in the shape of a hopper with a taper profile that is wide at the top and narrow at the bottom.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] In the present application, the drum with sieve holes is adopted, so that the monoammonium phosphate crystalline material with a fine degree can be discharged quickly through the sieve holes when the monoammonium phosphate crystalline material is ground in the drum, the grinding body can concentrate on grinding the coarse particle material that does not meet the standard, and the degree of the monoammonium phosphate crystalline material discharged is accurately controlled through the size of the sieve holes, so that the product quality is more stable and uniform, and the strict requirements of the production process on the particle size of the material are better met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0016] Figure 2 It is a schematic diagram of the structure inside the casing and the conveying pipe of the present application;

[0017] Figure 3 It is a sectional view of the structure of one side of the casing of the present application.

[0018] Reference signs: 10, casing; 101, discharging port; 102, arc-shaped hole; 11, first support frame; 12, conveying pipe; 121, feeding port; 13, spiral conveyor; 14, second support frame; 15, frame support; 16, motor;

[0019] 20, drum; 201, annular support rod; 202, ring gear; 203, sieve hole; 21, circular gear; 22, rotating shaft; 23, pulley; 24, belt. DETAILED DESCRIPTION

[0020] For the convenience of understanding the utility model, the utility model will be described more comprehensively below with reference to relevant drawings, and the drawings show several embodiments of the utility model, but the utility model can be realized through different forms and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the utility model more thorough and comprehensive.

[0021] Please refer to the drawings Figures 1-3 The utility model provides a kind of technical scheme: an energy-saving ball mill, including shell 10, the side of shell 10 is equipped with feeding mechanism, the lower end of shell 10 is fixedly connected with discharge port 101, shell 10 is equipped with drum 20, drum 20 is equipped with steel ball, the outer surface of drum 20 is equidistantly provided with several screen holes 203, one end of drum 20 is fixedly connected with ring gear 202, the lower end of the side of shell 10 close to ring gear 202 is equipped with frame support 15, one side of frame support 15 is fixedly installed with motor 16, the output end of motor 16 penetrates frame support 15 and is fixedly connected with circular gear 21, circular gear 21 is engaged with ring gear 202.

[0022] Specifically, after material is input into drum 20, motor 16 can drive circular gear 21 to rotate, circular gear 202 is driven to rotate when circular gear 21 rotates, so as to drive drum 20 to rotate, with the rotation of drum 20, steel ball in drum 20 is turned over, impact, grinding and friction of steel ball are utilized, blocky or granular ammonium phosphate crystalline material loaded in drum 20 is ground into fine powder or fine particle, and required ammonium phosphate crystalline material falls into discharge port 101 through screen hole 203 on drum 20 and is discharged.

[0023] In an embodiment of the utility model, as shown in Figure 3 The end of shell 10 close to discharge port 101 is provided with arc hole 102, circular gear 21 penetrates arc hole 102 and is slidably connected with the inner wall of arc hole 102, to facilitate the connection of circular gear 21 and ring gear 202.

[0024] In an embodiment of the utility model, as shown in Figure 2 The outer surface of both ends of drum 20 is fixedly installed with annular support rod 201, both annular support rods 201 are rotatably connected with the inner wall of shell 10, by setting two annular support rods 201, drum 20 is conveniently supported, and ammonium phosphate crystalline material on the side of discharge port 101 close to arc hole 102 is blocked, to avoid material from falling off from arc hole 102.

[0025] In an embodiment of the utility model, as shown in Figure 1 And Figure 2As shown, the two sides of the shell 10 are fixedly connected with a first support frame 11 and a second support frame 14 respectively, and a frame-shaped support 15 is fixedly installed on the second support frame 14 and used for supporting the shell 10.

[0026] In an embodiment of the present application, as shown in Figure 1 and Figure 2 As shown, the feeding mechanism comprises a conveying pipe 12 fixedly connected to one side of the shell 10, the conveying pipe 12 is in communication with the shell 10, a feeding port 121 is formed on the upper end of the side of the conveying pipe 12 away from the shell 10, a spiral conveyor 13 is rotatably installed in the conveying pipe 12, and the center end of the spiral conveyor 13 penetrates through the conveying pipe 12, so that the monoammonium phosphate crystalline material in the feeding port 121 can be conveniently conveyed into the roller 20 by the spiral conveyor 13, and the monoammonium phosphate crystalline material in the feeding port 121 is prevented from being blocked.

[0027] In an embodiment of the present application, as shown in Figure 1 The center end of the circular gear 21 is fixedly connected with a rotating shaft 22, one end of the rotating shaft 22 penetrates through the frame-shaped support 15 and is rotatably connected with the frame-shaped support 15, and the center end of the circular gear 21 and the center end of the spiral conveyor 13 are both fixedly connected with a pulley 23, and the outer surfaces of the two pulleys 23 are sleeved with a belt 24.

[0028] Specifically, when the motor 16 drives the circular gear 21 to rotate, the rotating shaft 22 is driven to rotate, the pulley 23 connected with the rotating shaft 22 is driven to rotate, and the spiral conveyor 13 is further driven to rotate through the transmission of the two pulleys 23 and the belt 24, so that the material in the feeding port 121 can be conveyed into the roller 20 for grinding.

[0029] In an embodiment of the present application, as shown in Figure 1 and Figure 2 As shown, the discharge port 101 is in the shape of a hopper with a taper profile that is wide at the top and narrow at the bottom, the inclined inner wall of the hopper is smooth and continuous, the material can be guided to naturally slide under the action of gravity, and the accumulation and blocking of the monoammonium phosphate crystalline material are avoided.

[0030] The above describes the present application by way of example with reference to the drawings, and obviously, the specific implementation of the present application is not limited to the above manner, as long as the method concept and technical solution of the present application are adopted for such non-essential improvement or the concept and technical solution of the present application are directly applied to other occasions without improvement, which are all within the protection scope of the present application.

Claims

1. An energy-saving ball mill, comprising a casing (10), characterized in that, A feeding mechanism is provided on one side of the housing (10). A discharge port (101) is fixedly connected to the lower end of the housing (10). A roller (20) is provided inside the housing (10). A steel ball is provided inside the roller (20). A number of sieve holes (203) are opened at equal intervals on the outer surface of the roller (20). A ring gear (202) is fixedly connected to one end of the roller (20). A frame bracket (15) is provided at the lower end of the side of the housing (10) near the ring gear (202). A motor (16) is fixedly installed on one side of the frame bracket (15). The output end of the motor (16) passes through the frame bracket (15) and is fixedly connected to a spur gear (21). The spur gear (21) meshes with the ring gear (202).

2. The energy-saving ball mill according to claim 1, characterized in that, The housing (10) has an arc-shaped hole (102) at one end near the discharge port (101), and the spherical gear (21) passes through the arc-shaped hole (102) and is slidably connected to the inner wall of the arc-shaped hole (102).

3. The energy-saving ball mill according to claim 1, characterized in that, Both ends of the roller (20) are fixedly mounted with annular support rods (201), and both annular support rods (201) are rotatably connected to the inner wall of the casing (10).

4. The energy-saving ball mill according to claim 1, characterized in that, The first support frame (11) and the second support frame (14) are fixedly connected to both sides of the housing (10), and the frame bracket (15) is fixedly installed on the second support frame (14).

5. An energy-saving ball mill according to claim 1, characterized in that, The feeding mechanism includes a conveying pipe (12) fixedly connected to one side of the housing (10). The conveying pipe (12) is connected to the housing (10). The upper end of the conveying pipe (12) away from the housing (10) has a feed inlet (121). A screw conveyor (13) is rotatably installed inside the conveying pipe (12). The center end of the screw conveyor (13) passes through the conveying pipe (12).

6. An energy-saving ball mill according to claim 5, characterized in that, The center end of the spur gear (21) is fixedly connected to a rotating shaft (22). The end of the rotating shaft (22) away from the spur gear (21) passes through the frame bracket (15) and is rotatably connected to the frame bracket (15). One end of the spur gear (21) and the center end of the screw conveyor (13) are both fixedly connected to pulleys (23). The outer surfaces of the two pulleys (23) are fitted with belts (24).

7. An energy-saving ball mill according to claim 1, characterized in that, The discharge port (101) is designed in the shape of a hopper with a tapered profile that is wider at the top and narrower at the bottom.

Images