CN219559925U - Multistage milling machine for heavy calcium carbonate - Google Patents

Abstract

The utility model discloses a heavy calcium carbonate multistage grinding mill, which belongs to the technical field of heavy calcium carbonate processing and comprises a grinding mill tank body used for grinding heavy calcium carbonate, wherein a plurality of support columns are welded on the bottom surface of the grinding mill tank body in an annular array manner to support the grinding mill tank body, a top cover is arranged on the top surface of the grinding mill tank body in a detachable connection mode, an eccentric grinding mechanism is arranged in a funnel-shaped grinding disc, and the eccentric grinding mechanism comprises a first U-shaped mounting frame plate which is arranged on the inner wall of the grinding mill tank body and provided with a rotating motor on the top surface and an eccentric grinding disc which is arranged through an output shaft of the rotating motor. The multi-stage grinding machine for heavy calcium carbonate carries out grinding and crushing on the heavy calcium carbonate, thereby reducing the caking of the heavy calcium carbonate powder and improving the processing and grinding precision and the grinding quality of the heavy calcium carbonate.

Description

Multistage milling machine for heavy calcium carbonate

Technical Field

The utility model belongs to the technical field of heavy calcium carbonate processing, and particularly relates to a heavy calcium carbonate multistage grinding machine.

Background

The heavy calcium carbonate is prepared by grinding natural carbonate mineral such as calcite, marble and limestone. Is a common powdery inorganic filler. The dry production process flow of heavy calcium carbonate comprises the following steps: firstly, calcite, limestone, chalk, shells and the like which are transported from a quarry are used for removing gangue, then, the limestone is coarsely crushed by a crusher, the existing pulverizer is used for pulverizing minerals generally and directly, and the existing pulverizer is used for rotationally grinding the minerals in the pulverizing process through a grinding disc, and the traditional single grinding disc only can apply one grinding force (namely knob force) to the heavy calcium carbonate powder, so that the heavy calcium carbonate powder is not finely ground, and meanwhile, agglomerated powder blocks are easily hidden in the piled heavy calcium carbonate powder, and the grinding quality of the heavy calcium carbonate powder is difficult to improve due to the single grinding force.

Through retrieval, the prior Chinese patent number is: CN 211706887U's a heavy calcium carbonate milling machine, it "includes the box, the box upside is equipped with broken storehouse, be equipped with the breaker plate in the broken storehouse, be connected with the hydraulic stem on the breaker plate, be equipped with the backup pad on the broken storehouse, the hydraulic stem runs through box connection backup pad downside and breaker plate upside, be equipped with the motor in the backup pad, be equipped with the pivot on the motor, breaker plate below is equipped with broken platform, encircle broken platform and be equipped with the filter screen, broken storehouse below is equipped with the branch storehouse, branch storehouse below is equipped with the grinding chamber, the grinding chamber below is equipped with the mill.

It is known that the above-cited patent documents have the same problem that they have only one grinding force (i.e., knob force) for processing heavy calcium carbonate, so that grinding of heavy calcium carbonate powder is not fine enough, and agglomerated powder lumps are easily hidden in the deposited heavy calcium carbonate powder, and this single grinding force makes it difficult to improve the grinding quality of the heavy calcium carbonate powder.

Disclosure of Invention

The utility model aims to provide a heavy calcium carbonate multistage grinding machine, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heavy calcium carbonate multistage milling machine, includes the milling machine jar body that is used for heavy calcium carbonate crocus to process, the top surface of milling machine jar body adopts detachable connected mode to install the top cap the top surface of top cap installs the gyration glassware down, the funnel type grinding disc is installed to the inner chamber upper portion of milling machine jar body, installs eccentric grinding mechanism in the funnel type grinding disc;

the inner wall of the lower part of the inner cavity of the pulverizer tank body is provided with a blanking filter plate, and the inner wall above the blanking filter plate and positioned in the pulverizer tank body is provided with a lifting rotary type grinding mechanism;

the lifting rotary grinding mechanism comprises a second U-shaped mounting frame plate which is arranged on the inner wall of a tank body of the pulverizer and provided with a hydraulic column on the bottom surface, and a grinding disc body connected with a lifting end at the bottom of the hydraulic column through a servo motor for executing forward and reverse rotation, wherein a plurality of oil cylinders are arranged in an annular array of an inner cavity of the grinding disc body, and piston rods of the oil cylinders penetrate through the grinding disc body to be connected with telescopic grinding blocks.

Preferably, the eccentric grinding mechanism comprises a first U-shaped mounting frame plate which is arranged on the inner wall of the tank body of the pulverizer and provided with a rotating motor on the top surface, and an eccentric grinding disc which is arranged through an output shaft of the rotating motor.

Preferably, the bottom surface of the grinding disc body and the bottom surfaces of the plurality of telescopic grinding blocks are positioned on the same horizontal plane, and both the bottom surfaces and the bottom surfaces are in dynamic friction contact with the blanking filter plate.

Preferably, the bottom welding of funnel formula grinding disc has the unloading pipe, the outer wall horizontal installation of milling machine jar body has electric telescopic handle, the flexible end of electric telescopic handle is installed and is horizontal L pull board, L pull board horizontal run through milling machine jar body and unloading pipe in proper order.

Preferably, a discharging slope body is arranged below the discharging filter plate and positioned in the inner cavity of the mill tank body, and a discharging pipe matched with the discharging slope body for discharging is penetrated at the lower part of the outer wall of the mill tank body.

Preferably, the top surface of the grinding disc body is provided with a disassembly cover, and the output shaft of the servo motor is fixedly connected with the disassembly cover.

Preferably, a plurality of inserting holes matched and inserted with the piston rod are formed in the annular array of the peripheral outer wall of the grinding disc body.

Preferably, the top surface of the grinding disc body is provided with a plurality of threaded holes, and the disassembly cover is connected with the grinding disc body through bolts.

Compared with the prior art, the utility model has the technical effects and advantages that:

according to the multi-stage heavy calcium carbonate pulverizer, heavy calcium carbonate raw materials enter a pulverizer tank body through a rotary feeder, firstly, the heavy calcium carbonate raw materials falling into a funnel type grinding disc cavity are mechanically and eccentrically rotated and ground through an eccentric grinding mechanism, so that the eccentric grinding mechanism mechanically applies force to crush natural calcite, limestone, chalk, shells and the like of the heavy calcium carbonate raw materials to crush, the obtainment of heavy calcium carbonate powder is facilitated, and the preliminary coarse grinding precision of the heavy calcium carbonate powder is improved; simultaneously, the grinding disc body is driven to lift through the hydraulic column, the heavy calcium carbonate powder is pressed down by the falling force application, the servo motor drives the grinding disc body to rotate to perform pressing down rotary grinding, in addition, a plurality of oil cylinders are further arranged in the grinding disc body, the telescopic grinding block is driven to perform telescopic movement through the piston rods of the oil cylinders, and the servo motor is matched, so that the heavy calcium carbonate is subjected to grinding and crushing of a plurality of grinding force application, the agglomeration of the heavy calcium carbonate powder is reduced, and the processing and grinding precision and grinding quality of the heavy calcium carbonate are improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the tank and top cover of the pulverizer of the present utility model;

FIG. 3 is a cross-sectional view of the tank of the mill of the present utility model;

FIG. 4 is a schematic view of the connection structure of the grinding disc and the retractable grinding block of the present utility model;

fig. 5 is a schematic structural view of the polishing disc body of the present utility model.

Reference numerals illustrate:

in the figure: 1. a mill tank; 2. a top cover; 3. a rotary blanking device; 4. a support column; 5. a discharge pipe; 6. an L-shaped drawing plate; 7. an external threaded tube; 8. a first U-shaped mounting bracket plate; 9. a rotating electric machine; 10. an output shaft; 11. an eccentric abrasive disc; 12. a funnel type grinding disc; 13. discharging pipes; 14. an electric telescopic rod; 15. a second U-shaped mounting bracket plate; 16. discharging a filter plate; 17. a discharging slope body; 18. grinding the disc body; 19. a hydraulic column; 20. a servo motor; 21. disassembling the cover; 22. telescoping grinding blocks; 23. a piston rod; 24. a plug hole; 25. and (3) a threaded hole.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The embodiment provides a heavy calcium carbonate multistage grinding mill as shown in fig. 1-5, which comprises a grinding mill tank body 1 for grinding heavy calcium carbonate, wherein a plurality of support columns 4 are welded on the bottom surface of the grinding mill tank body 1 in an annular array manner to support the grinding mill tank body 1, a top cover 2 is arranged on the top surface of the grinding mill tank body 1 in a detachable connection mode, an external thread pipe 7 is welded on the top surface of the grinding mill tank body 1, and an internal thread path which is connected with the external thread pipe 7 in an adaptive manner is formed in the inner wall of the top cover 2;

in some alternative embodiments, the top cover 2 may be detachably connected to the mill tank 1 by bolts.

The embodiment provides that the top surface of a top cover 2 is provided with a rotary blanking device 3, the rotary blanking device 3 conveys raw materials of heavy calcium carbonate, such as calcite, limestone, chalk, shells and the like, into a mill tank 1, a funnel type grinding disc 12 is arranged at the upper part of an inner cavity of the mill tank 1, a blanking pipe 13 is welded at the bottom end of the funnel type grinding disc 12, the outer wall of the mill tank 1 is horizontally provided with an electric telescopic rod 14, the telescopic end of the electric telescopic rod 14 is provided with a horizontal L-shaped drawing plate 6, and the L-shaped drawing plate 6 sequentially horizontally penetrates through the mill tank 1 and the blanking pipe 13;

when the electric telescopic rod 14 is driven in a telescopic manner, the L-shaped drawing plate 6 can be driven to horizontally draw and move in the mill tank body 1, when the L-shaped drawing plate 6 is drawn out from the blanking pipe 13, the grinding and crushing raw material in the funnel-shaped grinding disc 12 is convenient to discharge, and when the L-shaped drawing plate 6 is inserted into the blanking pipe 13, the blanking pipe 13 is convenient to block.

The embodiment provides an eccentric grinding mechanism installed in a funnel-type grinding disc 12, the eccentric grinding mechanism comprises a first U-shaped installation frame plate 8 installed on the inner wall of a mill tank 1 and provided with a rotating motor 9 on the top surface, and an eccentric grinding disc 11 installed through an output shaft 10 of the rotating motor 9, wherein the eccentric grinding disc 11 is used for crushing raw materials of heavy calcium carbonate, such as calcite, limestone, chalk and shells in the funnel-type grinding disc 12.

The embodiment provides a milling machine jar body 1's inner chamber lower part inner wall installs unloading filter plate 16, a plurality of unloading filtration holes have been seted up to unloading filter plate 16 top annular array, the lift rotation type grinding mechanism is installed to the inner wall that just is located milling machine jar body 1 above the unloading filter plate 16, lift rotation type grinding mechanism is including installing in milling machine jar body 1's inner wall and the bottom surface has the second U-shaped mounting plate 15 of hydraulic column 19 and hydraulic column 19 bottom lift end is connected with grinding disk 18 through executing the servo motor 20 that just reverses, a plurality of hydro-cylinders are installed to the inner chamber annular array of grinding disk 18, the piston rod 23 of hydro-cylinder runs through grinding disk 18 and is connected with flexible abrasive brick 22, the bottom surface of grinding disk 18 and the bottom surface of a plurality of flexible abrasive brick 22 are on same horizontal plane, and both are in dynamic friction contact with unloading filter plate 16.

The embodiment provides a top surface of grinding disk 18 installs and dismantles lid 21, servo motor 20's output shaft and dismantles lid 21 fixed connection, and a plurality of spliced eyes 24 that cooperate grafting with piston rod 23 are seted up to the circumference side outer wall annular array of grinding disk 18, and a plurality of screw holes 25 are seted up to the top surface of grinding disk 18, dismantles lid 21 and is connected with grinding disk 18 through the bolt.

The embodiment provides a discharging slope body 17 which is arranged below a discharging filter plate 16 and is positioned in the inner cavity of a mill tank body 1, and a discharging pipe 5 which is matched with the discharging slope body 17 for discharging is penetrated at the lower part of the outer wall of the mill tank body 1.

Working principle:

the heavy calcium carbonate multi-stage grinding mill comprises the steps that heavy calcium carbonate raw materials enter a grinding mill tank 1 through a rotary blanking device 3, firstly, the heavy calcium carbonate raw materials falling into a chamber of a funnel type grinding disc 12 are mechanically and eccentrically rotated and ground through an eccentric grinding mechanism, raw materials of heavy calcium carbonate, such as calcite, limestone, chalk and shells in the funnel type grinding disc 12 are extruded and crushed through an eccentric grinding disc 11, after crushing, when an L-shaped drawing plate 6 is drawn out from a blanking pipe 13, the grinding and crushing raw materials in the funnel type grinding disc 12 are conveniently fed, and when the L-shaped drawing plate 6 is inserted into the blanking pipe 13, the blanking pipe 13 is conveniently blocked;

the powdery structure after heavy calcium carbonate grinds falls to unloading filter plate 16, servo motor 20 carries out forward rotation at first, drive grinding disk 18 and rotate, simultaneously the piston rod 23 of a plurality of hydro-cylinders stretches out and draws back, drive flexible abrasive brick 22 and stretch out and draw back, cooperate servo motor 20's rotation force simultaneously, make grinding disk 18 and a plurality of flexible abrasive brick 22 grind the heavy calcium carbonate powder on the unloading filter plate 16 again, grinding disk 18 rotates the grinding at every turn and does not exceed one round, servo motor 20 carries out reverse rotation, prevent the winding of the connecting wire of hydraulic ram 19 and a plurality of hydro-cylinders, servo motor 20's positive and negative rotation all rotates and does not exceed one round.

Finally, the heavy calcium carbonate is discharged from the lower discharge slope body 17 and the discharge pipe 5.

It should be noted that relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a multistage milling machine of heavy calcium carbonate, includes milling machine jar body (1) that are used for heavy calcium carbonate crocus processing, its characterized in that: the top surface of the mill tank body (1) is provided with a top cover (2) in a detachable connection mode, the top surface of the top cover (2) is provided with a rotary blanking device (3), the upper part of the inner cavity of the mill tank body (1) is provided with a funnel type grinding disc (12), and an eccentric grinding mechanism for grinding heavy calcium carbonate is arranged in the funnel type grinding disc (12);

a blanking filter plate (16) for blanking and filtering heavy calcium carbonate powder is arranged on the inner wall of the lower part of the inner cavity of the pulverizer tank body (1), and a lifting rotary grinding mechanism for grinding heavy calcium carbonate is arranged above the blanking filter plate (16) and on the inner wall of the pulverizer tank body (1);

the lifting rotary grinding mechanism comprises a second U-shaped mounting frame plate (15) which is arranged on the inner wall of a tank body (1) of the pulverizer and provided with a hydraulic column (19) on the bottom surface, and a grinding disc body (18) connected with a lifting end at the bottom of the hydraulic column (19) through a servo motor (20) for executing forward and reverse rotation, wherein a plurality of oil cylinders are arranged in an annular array of the inner cavity of the grinding disc body (18), and piston rods (23) of the oil cylinders penetrate through the grinding disc body (18) and are connected with telescopic grinding blocks (22).

2. A heavy calcium carbonate multi-stage mill according to claim 1, characterized in that: the eccentric grinding mechanism comprises a first U-shaped mounting frame plate (8) which is arranged on the inner wall of the tank body (1) of the pulverizer and provided with a rotary motor (9) on the top surface, and an eccentric grinding disc (11) which is arranged through an output shaft (10) of the rotary motor (9).

3. A heavy calcium carbonate multi-stage mill according to claim 2, characterized in that: the bottom surface of the grinding disc body (18) and the bottom surfaces of the telescopic grinding blocks (22) are positioned on the same horizontal plane, and both the bottom surfaces are in dynamic friction contact with the blanking filter plate (16).

4. A heavy calcium carbonate multi-stage mill according to claim 3, characterized in that: the bottom welding of funnel formula grinding disc (12) has unloading pipe (13), electric telescopic handle (14) are installed to the outer wall level of milling machine jar body (1), L pull board (6) that are horizontal are installed to the flexible end of electric telescopic handle (14), L pull board (6) run through milling machine jar body (1) and unloading pipe (13) in proper order the level.

5. The multi-stage grinding mill for heavy calcium carbonate according to claim 4, wherein: the inner cavity below the blanking filter plate (16) and located in the mill tank body (1) is provided with a discharging slope body (17), and a discharging pipe (5) matched with the discharging slope body (17) for discharging is penetrated at the lower part of the outer wall of the mill tank body (1).

6. The multi-stage grinding mill for heavy calcium carbonate according to claim 5, wherein: the top surface of the grinding disc body (18) is provided with a disassembly cover (21), and an output shaft of the servo motor (20) is fixedly connected with the disassembly cover (21).

7. The multi-stage grinding mill for heavy calcium carbonate according to claim 6, wherein: a plurality of plug holes (24) matched and plugged with the piston rods (23) are formed in the annular array of the peripheral outer wall of the grinding disc body (18).

8. The multi-stage grinding mill for heavy calcium carbonate according to claim 7, wherein: the top surface of grinding disk body (18) has seted up a plurality of screw holes (25), dismantle lid (21) and be connected with grinding disk body (18) through the bolt.