CN216025290U

CN216025290U - Small ball mill for grinding coal

Info

Publication number: CN216025290U
Application number: CN202122265205.0U
Authority: CN
Inventors: 尚明星; 张广苏; 朱小青; 曾祥军
Original assignee: CHANGZHOU ZHONGNAN CHEMICAL CO LTD
Current assignee: CHANGZHOU ZHONGNAN CHEMICAL CO LTD
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-15
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a small-sized ball mill for grinding coal materials, which comprises a grinding cylinder body, a transmission mechanism, a support base and an angle adjusting mechanism, wherein the grinding cylinder body is transversely placed, the front end of the grinding cylinder body is provided with a loading and unloading opening, the transmission mechanism is fixedly arranged on the grinding cylinder body, the grinding cylinder body is rotatably connected on the support base, the angle adjusting mechanism comprises an adjusting rod and a multi-angle limiting block, the adjusting rod is fixedly connected on the outer surface of the grinding cylinder body, the multi-angle limiting block is fixedly arranged on the support base, the pitching angle of the grinding cylinder body can be adjusted by pulling the adjusting rod, the multi-angle limiting block comprises a plurality of clamping positions, and the bottom end of the adjusting rod can be correspondingly inserted into one of the clamping positions to fix the pitching angle; the small grinder body adopts an integrated design, is very convenient to charge and discharge, and can meet the requirement of grinding a small amount of materials.

Description

Small ball mill for grinding coal

Technical Field

The utility model belongs to the technical field of material crushing machinery, and particularly relates to a small ball mill for grinding coal materials.

Background

The ball mill is a key device for crushing materials after the materials are crushed, and is widely applied to the production industries of cement, silicate products, chemical raw materials, novel building materials and the like, a grinding body in a cylinder body of the ball mill rotates together with the materials, the grinding body is usually a steel ball, the steel ball rotates along with the cylinder body to rise to a certain height and then downwards performs throwing movement, the purpose of crushing the materials is achieved, meanwhile, the falling steel balls roll, the materials clamped in the steel balls are ground, and the materials are further ground; the existing ball mill is generally a large-scale ball mill, the equipment is heavy, the occupied area is large, the production capacity is also large, the ball mill is mainly suitable for industrial large-scale material production, when coal grinding is carried out in the chemical industry, if multiple tests are needed to determine the type and the fine grinding degree of the needed coal, the coal quantity of one-time grinding is small, the material taking needs to be stopped for multiple times during grinding, the large-scale ball mill is difficult to meet the requirement, and therefore a small-scale ball mill needs to be developed to meet the grinding requirement of a small quantity of coal.

Disclosure of Invention

Aiming at the problems and the technical requirements, the utility model provides a small-sized grinding machine for grinding coal materials, which adopts an integrated design, is very convenient for loading and unloading, and can meet the requirement of grinding a small amount of coal materials.

The technical scheme of the utility model is as follows: a small-size ball mill for coal grinds, including grinding bowl body, drive mechanism, support base and angle adjustment mechanism, grinding bowl body transversely places, and the loading and unloading mouth has been seted up to the grinding bowl body front end, and drive mechanism is fixed to be set up on grinding bowl body, and grinding bowl body rotates to be connected on supporting the base, angle adjustment mechanism is including adjusting pole and multi-angle stopper, and wherein adjust pole fixed connection at grinding bowl body surface, and the multi-angle stopper is fixed to be set up on supporting the base, pulls to adjust the pole and can adjust grinding bowl body's every single move angle, and the multi-angle stopper contains a plurality of screens, adjusts the pole bottom and can correspond to insert one of them screens in realize every single move angle's fixed.

In the scheme, the angle adjusting mechanism can adjust the pitching angle of the grinding cylinder, the grinding cylinder rotates upwards during charging so that the loading and unloading port is upward for charging, and the grinding cylinder rotates downwards during unloading so that the loading and unloading port is downward for unloading; because the grinding cylinder volume is less, adopt a loading and unloading mouth to load and unload and can simplify the structure of machine more, it is more nimble convenient to use.

Furthermore, the transmission mechanism comprises a rack, a motor, a first transmission wheel, a second transmission wheel, a third transmission wheel and a fourth transmission wheel, the rack is fixedly arranged around the rear half part of the grinding cylinder body, the motor is arranged at the top of the rack, the output shaft part of the motor is connected with the first transmission wheel, the first transmission wheel is connected with the second transmission wheel through a synchronous belt, the second transmission wheel and the third transmission wheel are coaxially arranged, the third transmission wheel is connected with the fourth transmission wheel through the synchronous belt, a connecting shaft is arranged at the core part of the fourth transmission wheel, the connecting shaft penetrates through the bottom surface of the grinding cylinder body and is connected with the bottom surface of the grinding cylinder body, and power from the motor is transmitted to the inside of the grinding cylinder body.

Furthermore, an inner cylinder body is arranged inside the grinding cylinder body, the inner cylinder body is rotatably connected with the grinding cylinder body through at least two groups of bearings, a connecting shaft of a fourth driving wheel core part penetrates through the bottom surface of the grinding cylinder body and is fixedly connected with the center of the bottom surface of the inner cylinder body, and a rolling bearing is also arranged between the connecting shaft and the grinding cylinder body.

Further, adjust the pole and include hollow outer tube, interior pole and adjustment handle, hollow outer tube and grinding barrel fixed connection, interior pole setting is in hollow outer tube, and interior pole bottom is equipped with the joint that can block in the multi-angle stopper, and adjustment handle sets up at hollow outer tube top, and adjustment handle is connected with interior pole top, can stimulate interior pole through adjustment handle, and the pole activity from top to bottom makes interior pole, extracts or inserts in the screens with the joint of interior pole bottom.

Furthermore, the supporting base supports the grinding cylinder body to be separated from the bottom surface, the grinding cylinder body is arranged at the middle position on the supporting base, two bearing seats are correspondingly arranged on the left edge and the right edge of the top of the supporting base, and the grinding cylinder body is connected to the two bearing seats through a fixing shaft to realize pitching rotation relative to the supporting base.

Furthermore, the bearing frame is surrounded and is equipped with the multi-angle stopper, and the first half of multi-angle stopper is semi-circular, is equipped with a plurality of screens around first half edge equiangular interval, adjusts the pole and inserts different screens and can obtain different every single move angle.

Furthermore, the adjusting rod is perpendicular to the central shaft of the grinding cylinder, and the upward or downward rotation angle of the grinding cylinder is within 90 degrees.

Compared with the prior art, the utility model has the beneficial effects that: the grinding machine is used for crushing and grinding small-batch materials, the grinding barrel and the transmission mechanism are integrally arranged, the whole structure is compact, the occupied space is small, the grinding barrel can be subjected to angle adjustment by matching the adjusting rod and the multi-angle limiting block, the grinding barrel is convenient to charge when rotating upwards, the grinding barrel is convenient to discharge when rotating downwards, and the stability of the transmission mechanism cannot be influenced when the grinding barrel is fixedly connected with the transmission mechanism during rotation adjustment.

Drawings

FIG. 1 is a schematic perspective view of a small ball mill according to the present invention;

FIG. 2 is a schematic view of the internal structure of the grinding cylinder according to the present invention;

FIG. 3a is a schematic view of the adjusting lever retracting bayonet of the present invention;

FIG. 3b is a schematic view of the adjusting lever extending out of the bayonet joint of the present invention;

labeled as: the grinding cylinder comprises a grinding cylinder body 1, a loading and unloading opening 11, an inner cylinder body 12, a transmission mechanism 2, a rack 21, a motor 22, a first transmission wheel 23, a second transmission wheel 24, a third transmission wheel 25, a fourth transmission wheel 26, a synchronous belt 27, a connecting shaft 28, a supporting base 3, a bearing seat 31, an angle adjusting mechanism 4, an adjusting rod 41, a hollow outer tube 411, an adjusting handle 412, a clamping joint 413, a multi-angle limiting block 42 and a clamping position 421.

Detailed Description

The utility model is further described below with reference to the figures and examples.

As shown in fig. 1-3, the small ball mill for grinding coal of the present invention comprises a grinding cylinder 1, a transmission mechanism 2, a supporting base 3 and an angle adjusting mechanism 4, wherein the grinding cylinder 1 is transversely disposed, a loading and unloading opening 11 is formed at the front end of the grinding cylinder 1, an inner cylinder 12 is disposed inside the grinding cylinder 1, the inner cylinder 12 is rotatably connected to the grinding cylinder 1 through at least two sets of bearings, and the inner cylinder 12 can rotate inside the grinding cylinder 1 relative to the grinding cylinder 1 when the grinding cylinder 1 is fixed.

The transmission mechanism 2 is fixedly arranged on the grinding cylinder body 1, the grinding cylinder body 1 is rotatably connected to the supporting base 3, and specifically, the transmission mechanism 2 comprises a rack 21, a motor 22, a first transmission wheel 23, a second transmission wheel 24, a third transmission wheel 25 and a fourth transmission wheel 26, the rack 21 is fixedly arranged around the rear half portion of the grinding cylinder body 1, the motor 22 is arranged at the top of the rack 21, the output shaft of the motor is connected with the first transmission wheel 23, the first transmission wheel 23 is connected with the second transmission wheel 24 through a synchronous belt 27, the second transmission wheel 24 and the third transmission wheel 25 are coaxially arranged, the third transmission wheel 25 is connected with the fourth transmission wheel 26 through the synchronous belt 27, a connecting shaft 28 is arranged at the core of the fourth transmission wheel 26, and the connecting shaft 28 penetrates through the bottom surface of the grinding cylinder body 1 to be connected with the bottom surface of the grinding cylinder body 1 and transmits power from the motor 22 to the inside of the grinding cylinder body 1. Specifically, a connecting shaft 28 of the core part of the fourth driving wheel 26 passes through the bottom surface of the grinding cylinder 1 and is fixedly connected with the center of the bottom surface of the inner cylinder 12, and a rolling bearing is also arranged between the connecting shaft 28 and the grinding cylinder 1.

The angle adjusting mechanism 4 comprises an adjusting rod 41 and a multi-angle limiting block 42, wherein the adjusting rod 41 is fixedly connected to the outer surface of the grinding barrel body 1, the multi-angle limiting block 42 is fixedly arranged on the supporting base 3, the adjusting rod 41 is pulled to adjust the pitch angle of the grinding barrel body 1, the multi-angle limiting block 42 comprises a plurality of clamping positions 421, and the bottom end of the adjusting rod 41 can be correspondingly inserted into one of the clamping positions 421 to fix the pitch angle.

Adjust pole 41 including hollow outer tube 411, interior pole and adjustment handle 412, hollow outer tube 411 and grinding barrel 1 fixed connection, interior pole setting is in hollow outer tube 411, and interior pole bottom is equipped with the joint 413 that can block in the multi-angle stopper 42, and adjustment handle 412 sets up at hollow outer tube 411 top, and adjustment handle 412 is connected with interior pole top, can stimulate interior pole through adjustment handle 412, makes interior pole activity from top to bottom, extracts or inserts in the screens 421 with the joint 413 of interior pole bottom.

The grinding cylinder body 1 is supported by the supporting base 3 to be separated from the bottom surface, the grinding cylinder body 1 is arranged at the middle position on the supporting base 3, the left edge and the right edge of the top of the supporting base 3 are correspondingly provided with two bearing blocks 31, and the grinding cylinder body 1 is connected onto the two bearing blocks 31 through a fixing shaft to realize pitching rotation relative to the supporting base 3. The bearing seat 31 is provided with a multi-angle limiting block 42 in an encircling manner, the upper half part of the multi-angle limiting block 42 is semicircular, a plurality of clamping positions 421 are arranged around the edge of the upper half part at equal angular intervals, and the adjusting rod 41 is inserted into different clamping positions 421 to obtain different pitching angles. Preferably, the adjusting rod 41 is perpendicular to the central axis of the grinding cylinder 1, and the upward or downward rotation angle of the grinding cylinder 1 is within 90 degrees.

The operation process of the device is as follows: when the material is to be loaded, the adjusting handle 412 is pressed to retract the clamping head 413 into the hollow outer tube 411, the adjusting rod 41 is pulled to rotate backwards, the grinding cylinder 1 is rotated upwards, the loading and unloading opening 11 faces upwards, the adjusting handle 412 is released after the material is adjusted to a proper angle, the clamping head 413 is clamped into the corresponding clamping position 421, the elevation angle on the grinding cylinder 1 is fixed, then the material and the grinding bodies (steel balls) are filled into the inner cylinder 12 from the loading and unloading opening 11, the loading and unloading opening 11 is closed, the grinding cylinder 1 is adjusted to be in a horizontal state, the motor 22 is started, the motor 22 drives the first transmission wheel 23 to rotate, the first transmission wheel 23 drives the second transmission wheel 24 to rotate through the synchronous belt 27, the second transmission wheel 24 drives the coaxial third transmission wheel 25 to rotate, the third transmission wheel 25 drives the fourth transmission wheel 26 to rotate through the synchronous belt 27, the fourth transmission wheel 26 drives the inner cylinder 12 to rotate in the grinding cylinder 1 through the connecting shaft 28, crushing and grinding the material in the inner cylinder 12; after finishing grinding, pulling the adjusting rod 41 again to rotate the grinding cylinder 1 downwards, then fixing the downward depression angle through the clamping joint 413, opening the loading and unloading opening 11, pouring out the material and the steel balls, screening out the steel balls, and obtaining the ground material.

The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A small-size ball mill for coal material grinds which characterized in that: including grinding bowl, drive mechanism, support base and angle adjustment mechanism, grinding bowl transversely places, and the loading and unloading mouth has been seted up to the grinding bowl front end, and drive mechanism is fixed to be set up on grinding bowl, and grinding bowl rotates to be connected on supporting the base, angle adjustment mechanism is including adjusting pole and multi-angle stopper, and wherein adjust pole fixed connection at grinding bowl surface, and the multi-angle stopper is fixed to be set up on supporting the base, pulls to adjust the pitch angle that grinding bowl can be adjusted to the pole, and the multi-angle stopper contains a plurality of screens, adjusts the pole bottom and can correspond to insert the fixing of realizing pitch angle in one of them screens.

2. The ball mill of claim 1, wherein: the transmission mechanism comprises a rack, a motor, a first transmission wheel, a second transmission wheel, a third transmission wheel and a fourth transmission wheel, the rack is fixedly arranged around the rear half part of the grinding cylinder body, the motor is arranged at the top of the rack, the output shaft part of the motor is connected with the first transmission wheel, the first transmission wheel is connected with the second transmission wheel through a synchronous belt, the second transmission wheel and the third transmission wheel are coaxially arranged, the third transmission wheel is connected with the fourth transmission wheel through the synchronous belt, a connecting shaft is arranged at the core part of the fourth transmission wheel, the connecting shaft penetrates through the bottom surface of the grinding cylinder body and is connected with the bottom surface of the grinding cylinder body, and power from the motor is transmitted to the inside of the grinding cylinder body.

3. The ball mill of claim 2, wherein: an inner cylinder is arranged in the grinding cylinder body, the inner cylinder body is rotatably connected with the grinding cylinder body through at least two groups of bearings, a connecting shaft of a fourth driving wheel core part penetrates through the bottom surface of the grinding cylinder body and is fixedly connected with the center of the bottom surface of the inner cylinder body, and a rolling bearing is also arranged between the connecting shaft and the grinding cylinder body.

4. The ball mill of claim 1, wherein: adjust the pole and include hollow outer tube, interior pole and adjustment handle, hollow outer tube and grinding barrel fixed connection, interior pole setting is in hollow outer tube, and interior pole bottom is equipped with the joint that can block into in the multi-angle stopper, and adjustment handle sets up at hollow outer tube top, and adjustment handle is connected with interior pole top, can stimulate interior pole through adjustment handle, and the pole activity from top to bottom makes, extracts or inserts in the screens the joint of interior pole bottom.

5. The ball mill of claim 1, wherein: the grinding cylinder is supported by the supporting base to be separated from the bottom surface, the grinding cylinder is arranged in the middle of the supporting base, two bearing seats are correspondingly arranged on the left edge and the right edge of the top of the supporting base, and the grinding cylinder is connected to the two bearing seats through a fixing shaft to rotate in a pitching mode relative to the supporting base.

6. The ball mill for coal grinding according to claim 5, characterized in that: the bearing seat is provided with a multi-angle limiting block in an encircling mode, the upper half portion of the multi-angle limiting block is semicircular, a plurality of clamping positions are arranged at equal angle intervals around the edge of the upper half portion, and the adjusting rod is inserted into different clamping positions to obtain different pitching angles.

7. The ball mill of claim 1, wherein: the adjusting rod is perpendicular to the central shaft of the grinding cylinder, and the upward or downward rotation angle of the grinding cylinder is within 90 degrees.