A calcium carbonate powder grinding machine

The calcium carbonate crushing and grinding machine with integrated screening and grinding functions solves the problem of additional screening after crushing, achieves efficient screening and grinding, simplifies the process and reduces costs.

CN119500334BActive Publication Date: 2025-10-17GUANGXI HEZHOU CITY LONGDE POWDER CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202411689653.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-17
Estimated Expiration
2044-11-25

AI Technical Summary

Technical Problem

When the existing calcium carbonate crusher is used, an additional screening machine is required for screening after crushing, which prolongs the processing time and increases the equipment cost.

Method used

A calcium carbonate powder crushing and grinding machine was designed, which integrated the screening function inside the crusher. The calcium carbonate powder was screened by the airflow mechanism, and the eccentric grinding mechanism was used for efficient grinding. The intermittent release mechanism was combined to recover large particles that did not meet the requirements.

Benefits of technology

The efficient screening and grinding of calcium carbonate powder is achieved, which simplifies the processing flow, improves processing efficiency and reduces equipment costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119500334B_ABST
    Figure CN119500334B_ABST
Patent Text Reader

Abstract

The application discloses a calcium carbonate powder smashing and grinding machine and relates to the technical field of calcium carbonate grinding, which comprises a base, a shell is fixedly connected to the top of the base, a feeding cylinder is fixedly connected to the top of the shell, a screening cylinder is fixedly connected to the top inner wall of the shell, an air guide pipe is inserted into one side of the screening cylinder, a second connecting shaft is rotatably connected to the inner wall of one side of the shell, and a lower bevel gear is fixedly connected to the bottom of the second connecting shaft. The calcium carbonate powder smashing and grinding machine disclosed by the application blows calcium carbonate powder into the inside of the screening cylinder by air, the fan blade rotates to generate suction force, the calcium carbonate powder in the inside of the screening cylinder flows upwards along with the air, the screening disc is screened, the qualified particles pass through the screening disc and enter the inside of the discharge pipe, and the large calcium carbonate particles that do not meet the requirements fall to the bottom of the screening cylinder, so that the processing procedure after the grinding of the calcium carbonate is simplified, and the processing efficiency of the calcium carbonate is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of calcium carbonate grinding, in particular to a calcium carbonate powder crushing and grinding machine. BACKGROUND

[0002] Calcium carbonate is an inorganic compound, chemical formula is CaCO3, is the main component of limestone, marble, etc., calcium carbonate is usually white crystal, odorless, basically insoluble in water, easy to react with acid to release carbon dioxide, it is one of the common substances on earth, exists in calcite, calcite, chalk, limestone, marble, calcareous tufa and other rocks, also is the main component of some animal bones or shells, calcium carbonate is also an important building material, widely used in industry.

[0003] The main steps of calcium carbonate powder processing include pretreatment such as crushing, drying and impurity removal, the pretreated calcium carbonate bulk material is crushed to a fineness that can enter the grinding machine by the crusher, the material is uniformly and quantitatively fed into the grinding machine by the conveying equipment, the powder obtained by grinding is screened to remove particles that do not meet the specified fineness, generally, after the calcium carbonate is crushed, the calcium carbonate powder needs to be screened by another screening machine, which prolongs the processing time and increases the cost of equipment, and cannot meet the actual demand. SUMMARY

[0004] The present application discloses a calcium carbonate powder crushing and grinding machine, which aims to solve the technical problem that the general calcium carbonate crusher needs to use another screening machine to screen the calcium carbonate powder after crushing the calcium carbonate, which prolongs the processing time and increases the cost of equipment.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] A calcium carbonate powder crushing and grinding machine, comprising a base, the top of the base is fixedly connected with a shell, the top of the shell is fixedly connected with a feeding cylinder, the inner wall of the top of the shell is fixedly connected with a screening cylinder, one side of the screening cylinder is inserted with a gas guide pipe, the inner wall of one side of the shell is rotatably connected with a second connecting shaft, the bottom of the second connecting shaft is fixedly connected with a lower pinion gear, the top of the second connecting shaft is fixedly connected with an upper main bevel gear, one side of the screening cylinder is rotatably connected with a fourth connecting shaft, one end of the fourth connecting shaft is a lower pinion gear, the other end of the fourth connecting shaft is fixedly connected with a middle main bevel gear, the inside of the screening cylinder is rotatably connected with a rotating column, one end of the rotating column is fixedly connected with a middle pinion gear, the inside of the screening cylinder is fixedly connected with a screening disc, the upper surface of the screening disc is provided with a plurality of screening holes;

[0007] A driving mechanism is installed in the inside of the shell, which is used to drive the rotating column;

[0008] The inside of the screening cylinder is provided with an intermittent release mechanism for intermittently releasing the collected calcium carbonate particles;

[0009] The inside of the rotating cylinder is provided with an air flow mechanism for introducing air;

[0010] The outer wall of the rotating cylinder is provided with a grinding mechanism around for grinding calcium carbonate;

[0011] One side of the grinding cylinder is provided with an auxiliary mechanism for assisting the crushing of calcium carbonate materials.

[0012] The driving mechanism comprises a motor fixedly connected to the upper surface of the bottom of the base, the top end of the output shaft of the motor is fixedly connected with a rotating shaft, the top end of the rotating shaft is fixedly connected with a rotating cylinder, the top end of the rotating shaft is fixedly connected with a driving bevel gear at the bottom of the rotating cylinder, one side of the shell is rotatably connected with a third connecting shaft near the driving bevel gear, one end of the third connecting shaft is fixedly connected with a left bevel gear, the other end of the third connecting shaft is fixedly connected with a lower main bevel gear, the driving bevel gear is engaged with the left bevel gear, the lower main bevel gear is engaged with a lower driven bevel gear, an upper main bevel gear is engaged with an upper driven bevel gear, and a middle main bevel gear is engaged with a middle driven bevel gear.

[0013] In a preferred scheme, the intermittent release mechanism comprises a flow guide seat fixedly connected to the bottom of the screening cylinder, a main gear fixedly connected to the inner wall of the screening cylinder, a collecting barrel fixedly connected to the bottom of the screening cylinder, an installation column rotatably connected to the bottom of the screening cylinder near the collecting barrel, a driven gear fixedly connected to the top end of the installation column, and a distribution disc fixedly connected to the bottom end of the installation column.

[0014] A plurality of distribution ports are arranged on the upper surface of the distribution disc near the edge, the collecting barrel is in communication with the inside of the screening cylinder, the main gear is engaged with the driven gear, the bottom of the collecting barrel is provided with a connecting groove, and the edge of the distribution disc is slidably connected with the connecting groove.

[0015] In a preferred scheme, the air flow mechanism comprises a plurality of air inlets arranged on the top of the base, a plurality of air inlet holes arranged on the bottom of the grinding cylinder near the driving bevel gear, a gas guide frame fixedly connected to the inside of the rotating cylinder, and a plurality of air injection holes arranged on the outer wall of the rotating cylinder above the gas guide frame.

[0016] The top of the gas guide frame is provided with a step, the air injection holes are uniformly distributed on the outer wall of the rotating cylinder, the top space of the gas guide frame is in communication with the bottom space, and the rotating cylinder can increase the centrifugal force to increase the air flow from the air injection holes through rotation.

[0017] In a preferred scheme, the grinding mechanism comprises a plurality of mounting rods fixedly connected to one side of the rotating cylinder, one end of the mounting rod is rotatably connected with a first eccentric disc, the outer wall of the first eccentric disc is slidably connected with a first grinding ring, the outer wall of the first grinding ring is fixedly connected with a plurality of first grinding nails, one end of the mounting rod is rotatably connected with a second eccentric disc below the first eccentric disc, the outer wall of the second eccentric disc is slidably connected with a second grinding ring, the outer wall of the second grinding ring is fixedly connected with a plurality of second grinding nails, one end of the mounting rod is rotatably connected with a third eccentric disc below the second grinding nail, the outer wall of the third eccentric disc is slidably connected with a third grinding ring, and the outer wall of the third grinding ring is fixedly connected with a plurality of third grinding nails.

[0018] One end of the mounting rod is rotatably connected with a fourth eccentric disc below the third grinding nail, the outer wall of the fourth eccentric disc is slidably connected with a fourth grinding ring, the outer wall of the fourth grinding ring is fixedly connected with a plurality of fourth grinding nails, a plurality of upper fixed rings are fixedly connected to the inner wall of the grinding cylinder, a plurality of middle grinding rings are fixedly connected to the inner wall of the grinding cylinder below the upper fixed ring, a lower grinding ring is fixedly connected to the bottom edge of the grinding cylinder, a grinding convex is fixedly connected to the bottom edge of the rotating cylinder, and a grinding concave is fixedly connected to the upper surface of the bottom of the grinding cylinder.

[0019] In a preferred scheme, the auxiliary mechanism comprises a first connecting shaft rotatably connected to the other side of the shell near the driving bevel gear, one end of the first connecting shaft is fixedly connected with a right bevel gear, the other end of the first connecting shaft is eccentric, one side of the grinding cylinder is rotatably connected with a linkage plate, a fixed rod is rotatably connected through the inner wall of the feeding cylinder, one end of the fixed rod is fixedly connected with a rotating plate, the other end of the fixed rod is fixedly connected with a connecting plate, and a second sliding groove is arranged on one side of the connecting plate.

[0020] As can be seen from the above, the carbonated calcium powder grinding machine provided by the application has the following technical effects.

[0021] Firstly, air blows the carbonated calcium powder into the inside of the screening cylinder, drives the rotating column and the fan blade to rotate, generates suction force, and makes the carbonated calcium powder in the inside of the screening cylinder flow upward with the air, and through the screening of the screening disc, the required particles pass through the screening disc into the inside of the discharge pipe for collection, and the large particles of carbonated calcium that do not meet the requirements fall to the bottom of the screening cylinder, so that the carbonated calcium powder after grinding is screened, and the effects of simplifying the processing flow of the carbonated calcium after grinding and improving the processing efficiency of the carbonated calcium are achieved.

[0022] Secondly, when the calcium carbonate is ground, the large calcium carbonate is continuously rotated under the rotating cylinder, the rotating cylinder drives the multiple first grinding nails, second grinding nails, third grinding nails and fourth grinding nails around to rotate, the eccentric rotation of the first eccentric disc produces impact, so that the first grinding ring continuously impacts the grinding ring and the lower grinding ring in the process of rotation, and the calcium carbonate is continuously ground into powder, so as to realize the effect of grinding calcium carbonate by eccentric vibration. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A top view structural schematic diagram of the calcium carbonate powder smashing and grinding machine is provided.

[0024] Figure 2 A bottom view structural schematic diagram of the calcium carbonate powder smashing and grinding machine is provided.

[0025] Figure 3 A sectional view structural schematic diagram of the calcium carbonate powder smashing and grinding machine is provided.

[0026] Figure 4 An internal structure schematic diagram of the calcium carbonate powder smashing and grinding machine is provided.

[0027] Figure 5 A local structure schematic diagram of the calcium carbonate powder smashing and grinding machine is provided.

[0028] Figure 6 A screening disc structure schematic diagram of the calcium carbonate powder smashing and grinding machine is provided.

[0029] Figure 7 A distribution disc structure schematic diagram of the calcium carbonate powder smashing and grinding machine is provided.

[0030] Figure 8 A linkage plate structure schematic diagram of the calcium carbonate powder smashing and grinding machine is provided.

[0031] In the figure: 1, base; 2, shell; 3, discharge pipe; 4, feeding cylinder; 5, motor; 6, air inlet; 7, rotating shaft; 8, first connecting shaft; 9, rotating cylinder; 10, fan blade; 11, screening cylinder; 12, air guide pipe; 13, second connecting shaft; 14, grinding cylinder; 15, third connecting shaft; 16, air inlet hole; 17, driving bevel gear; 18, air guide frame; 19, material guide hopper; 20, air injection hole; 21, first eccentric disc; 22, first grinding ring; 23, upper fixed ring; 24, first grinding nail; 25, second grinding nail; 26, middle grinding ring; 27, third grinding nail; 28, lower grinding ring; 29, fourth grinding nail; 30, grinding convex; 31, grinding concave; 32, fourth connecting shaft; 33, screening hole; 34, screening disc; 35, flow guide seat; 36, collection bucket; 37, mounting column; 38, rotating column; 39, main gear; 40, driven gear; 41, distribution port; 42, distribution disc; 43, connecting plate; 44, hitting block; 45, rotating plate; 46, eccentric wheel; 47, first chute; 48, linkage plate; 49, second chute. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all.

[0033] The calcium carbonate powder grinding machine disclosed by the present application is mainly applied to the scene that the general calcium carbonate grinder needs additional screening machine to screen the calcium carbonate powder after completing the grinding of the calcium carbonate, prolongs the processing time, and increases the equipment cost.

[0034] Referring to Figure 1 Figure 8 A calcium carbonate powder grinding machine, comprising a base 1, the top of the base 1 is fixedly connected with a shell 2, the top of the shell 2 is fixedly connected with a feeding cylinder 4, the inner wall of the top of the shell 2 is fixedly connected with a screening cylinder 11, one side of the screening cylinder 11 is inserted with an air guide pipe 12, the inner wall of one side of the shell 2 is rotatably connected with a second connecting shaft 13, the bottom of the second connecting shaft 13 is fixedly connected with a lower driven bevel gear, the top of the second connecting shaft 13 is fixedly connected with an upper main bevel gear, one side of the screening cylinder 11 is rotatably connected with a fourth connecting shaft 32, one end of the fourth connecting shaft 32 is a driven bevel gear, the other end of the fourth connecting shaft 32 is fixedly connected with a middle main bevel gear, the inside of the screening cylinder 11 is rotatably connected with a rotating column 38, one end of the rotating column 38 is fixedly connected with a middle driven bevel gear, the inside of the screening cylinder 11 is fixedly connected with a screening disc 34, the upper surface of the screening disc 34 is provided with a plurality of screening holes 33;

[0035] The inside of the shell 2 is provided with a driving mechanism, the driving mechanism is used for driving the rotating column 38;​

[0036] The inside of the screening cylinder 11 is provided with an intermittent release mechanism for intermittently releasing the collected calcium carbonate particles;

[0037] The inside of the rotating cylinder 9 is provided with an air flow mechanism for introducing air;

[0038] The outer wall of the rotating cylinder 9 is provided with a grinding mechanism around for grinding calcium carbonate;

[0039] One side of the grinding cylinder 14 is provided with an auxiliary mechanism for assisting the crushing of calcium carbonate materials.

[0040] The driving mechanism comprises a motor 5 fixedly connected to the bottom upper surface of the base 1, the top end of the output shaft of the motor 5 is fixedly connected with a rotating shaft 7, the top end of the rotating shaft 7 is fixedly connected with a rotating cylinder 9, the top end of the rotating shaft 7 is fixedly connected with a driving bevel gear 17 at the bottom of the rotating cylinder 9, a third connecting shaft 15 is rotatably connected to one side of the housing 2 close to the driving bevel gear 17, one end of the third connecting shaft 15 is fixedly connected with a left bevel gear, the other end of the third connecting shaft 15 is fixedly connected with a lower main bevel gear, the driving bevel gear 17 is engaged with the left bevel gear, the lower main bevel gear is engaged with a lower driven bevel gear, an upper main bevel gear is engaged with an upper driven bevel gear, and a middle main bevel gear is engaged with a middle driven bevel gear.

[0041] In this embodiment, the base 1 is fixedly connected with the ground, the calcium carbonate materials are introduced into the housing 2 through the feeding cylinder 4, and are crushed by the grinding mechanism, the air at the bottom is introduced into the inside of the screening cylinder 11 through the air guide pipe 12 by the air flow mechanism, the air carries the fully ground calcium carbonate powder in the grinding mechanism, the air blows the calcium carbonate powder into the inside of the screening cylinder 11, the third connecting shaft 15, the second connecting shaft 13 and the fourth connecting shaft 32 are driven to rotate by starting the motor 5, the rotating column 38 and the fan blade 10 are driven to rotate, the suction force is generated to make the calcium carbonate powder in the inside of the screening cylinder 11 flow upward with the air, the required particles pass through the screening disc 34 into the inside of the discharging pipe 3 for collection, and the large particles of calcium carbonate that do not meet the requirements fall to the bottom of the screening cylinder 11, the ground calcium carbonate powder is screened by the screening effect, which simplifies the processing flow of the ground calcium carbonate and improves the processing efficiency of the calcium carbonate.

[0042] Reference Figure 1 , Figure 3 , Figure 6 and Figure 7In a preferred embodiment, the intermittent release mechanism comprises a guide seat 35 fixedly connected to the bottom of the screening cylinder 11, a main gear 39 fixedly connected to the inner wall of the screening cylinder 11, a collection barrel 36 fixedly connected to the bottom of the screening cylinder 11, a mounting column 37 rotatably connected to the bottom of the screening cylinder 11 near the side of the collection barrel 36, a slave gear 40 fixedly connected to the top end of the mounting column 37, and a distribution disc 42 fixedly connected to the bottom end of the mounting column 37. The top of the rotating cylinder 9 is fixedly connected to a material guide funnel 19.

[0043] The upper surface of the distribution disc 42 is provided with a plurality of distribution ports 41 near the edge, the collection barrel 36 is in communication with the interior of the screening cylinder 11, the main gear 39 and the slave gear 40 are in meshing engagement, the bottom of the collection barrel 36 is provided with a connecting groove, and the side edge of the distribution disc 42 is in sliding connection with the connecting groove.

[0044] In this embodiment, the large particle calcium carbonate that does not meet the requirements is accumulated at the bottom of the screening cylinder 11, the large particle calcium carbonate is guided by the guide seat 35 to slide to the collection barrel 36 at the bottom, the rotating column 38 drives the main gear 39 to rotate, thereby driving the slave gear 40 and the mounting column 37 to rotate, and driving the distribution disc 42 to rotate, so that the large particle calcium carbonate accumulated every other time will fall back into the interior of the grinding cylinder 14 from the distribution ports 41, the large particle calcium carbonate in the interior of the screening cylinder 11 is cleaned, the large particle calcium carbonate that does not meet the requirements is recovered, and the effect of recovering the large particle calcium carbonate is achieved.

[0045] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 In a preferred embodiment, the air flow mechanism comprises a plurality of air inlets 6 provided on the top of the base 1, a plurality of air inlets 16 provided on the bottom of the grinding cylinder 14 near the driving bevel gear 17, a guide frame 18 fixedly connected to the interior of the rotating cylinder 9, and a plurality of air injection holes 20 provided on the outer wall of the rotating cylinder 9 above the guide frame 18.

[0046] The top of the guide frame 18 is provided with a step, the air injection holes 20 are uniformly distributed on the outer wall of the rotating cylinder 9, the top space and the bottom space of the guide frame 18 are in communication, and the rotating cylinder 9 can increase the air flow out of the air injection holes 20 by centrifugal force through rotation.

[0047] In this embodiment, the air at the bottom of the base 1 enters the inside of the rotating cylinder 9 through the air inlet 6 and the air inlet hole 16. Under the action of the air guide frame 18, the air enters the top of the rotating cylinder 9 through the central position of the air guide frame 18, and is sprayed out through the multiple air injection holes 20 at the edge of the top of the rotating cylinder 9. The air generates a vortex in the inside of the grinding cylinder 14, and the calcium carbonate powder inside is taken away by the air flow. During the continuous rotation of the rotating cylinder 9, the air flow at the bottom of the rotating cylinder 9 is accelerated by the centrifugal force, and the effect of collecting calcium carbonate powder by air is increased.

[0048] With reference to Figure 1 , Figure 2 , Figure 3 and Figure 5 In a preferred embodiment, the grinding mechanism includes a plurality of mounting rods fixedly connected to one side of the rotating cylinder 9. One end of the mounting rod is rotatably connected to a first eccentric disc 21. The outer wall of the first eccentric disc 21 is slidably connected to a first grinding ring 22. The outer wall of the first grinding ring 22 is fixedly connected to a plurality of first grinding spikes 24. One end of the mounting rod is rotatably connected to a second eccentric disc below the first eccentric disc 21. The outer wall of the second eccentric disc is slidably connected to a second grinding ring. The outer wall of the second grinding ring is fixedly connected to a plurality of second grinding spikes 25. One end of the mounting rod is rotatably connected to a third eccentric disc below the second grinding spikes 25. The outer wall of the third eccentric disc is slidably connected to a third grinding ring. The outer wall of the third grinding ring is fixedly connected to a plurality of third grinding spikes 27.

[0049] One end of the mounting rod is rotatably connected to a fourth eccentric disc below the third grinding spikes 27. The outer wall of the fourth eccentric disc is slidably connected to a fourth grinding ring. The outer wall of the fourth grinding ring is fixedly connected to a plurality of fourth grinding spikes 29. A plurality of upper fixed rings 23 are fixedly connected to the inner wall of the grinding cylinder 14. A plurality of middle grinding rings 26 are fixedly connected to the inner wall of the grinding cylinder 14 below the upper fixed rings 23. A lower grinding ring 28 is fixedly connected to the bottom edge of the grinding cylinder 14. A grinding convex 30 is fixedly connected to the bottom edge of the rotating cylinder 9. A grinding concave 31 is fixedly connected to the upper surface of the bottom of the grinding cylinder 14.

[0050] In this embodiment, when grinding calcium carbonate, the large pieces of calcium carbonate are continuously rotated under the continuous rotation of the rotating cylinder 9. The rotating cylinder 9 drives the multiple first grinding spikes 24, second grinding spikes 25, third grinding spikes 27 and fourth grinding spikes 29 around it to rotate. The eccentric rotation of the first eccentric disc 21 generates an impact, causing the first grinding ring 22 to continuously impact the upper fixed ring 23 during rotation. Due to the action of the first eccentric disc 21, multiple eccentric discs and grinding rings, the middle grinding ring 26 and the lower grinding ring 28 are continuously impacted, continuously grinding calcium carbonate into powder. The grinding concave 31 and the grinding convex 30 at the bottom slide with each other, further grinding the calcium carbonate powder, achieving the effect of grinding calcium carbonate by eccentric vibration.

[0051] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 8 In a preferred embodiment, the auxiliary mechanism comprises a first connecting shaft 8 rotatably connected to the other side of the shell 2 near the position of the driving bevel gear 17, one end of the first connecting shaft 8 is fixedly connected with a right bevel gear, the other end of the first connecting shaft 8 is an eccentric wheel 46, one side of the grinding cylinder 14 is rotatably connected with a linkage plate 48, a fixed rod is rotatably connected through the inner wall of the feeding cylinder 4, one end of the fixed rod is fixedly connected with a rotating plate 45, the other end of the fixed rod is fixedly connected with a connecting plate 43, one side of the connecting plate 43 is provided with a second sliding groove 49.

[0052] Both ends of the connecting plate 43 are fixedly connected with a beating block 44, one side of the bottom end of the linkage plate 48 is provided with a first sliding groove 47, the top of the linkage plate 48 slides inside the second sliding groove 49, one side of the eccentric wheel 46 is fixedly connected with a sliding rod, the sliding rod slides inside the first sliding groove 47.

[0053] In this embodiment, when the calcium carbonate material enters the inside of the shell 2 through the feeding cylinder 4, large pieces of calcium carbonate material may block the inside of the feeding cylinder 4, by rotating the shaft 7 to drive the first connecting shaft 8 and the eccentric wheel 46 to rotate, the eccentric wheel 46 drives the linkage plate 48 to swing left and right, thereby driving the top of the linkage plate 48 to swing, the linkage plate 48 drives the connecting plate 43 to swing back and forth, so that the beating block 44 swings back and forth with the connecting plate 43, the beating block 44 constantly hits the large pieces of calcium carbonate, further crushing the calcium carbonate material, preventing the large pieces of calcium carbonate from blocking the feeding cylinder 4, achieving the effect of preventing calcium carbonate from blocking the feeding cylinder 4.

[0054] Working principle: in use, the base 1 is fixedly connected with the ground, through the feed cylinder 4, the calcium carbonate material is introduced into the shell 2 inside, after the crushing mechanism is crushed, the airflow mechanism introduces the air at the bottom into the inside of the screening cylinder 11 through the air guide pipe 12, the air carries the fully ground calcium carbonate powder inside the grinding mechanism, the air blows the calcium carbonate powder into the inside of the screening cylinder 11, through the start motor 5, respectively drive the third connecting shaft 15, the second connecting shaft 13 and the fourth connecting shaft 32 rotate, through the driving rotating column 38 and the fan blade 10 rotate, produce suction force, make the calcium carbonate powder in the inside of the screening cylinder 11 flow upward with the air, through the screening of the screening disc 34, the qualified particles pass through the screening disc 34 and enter the inside of the discharge pipe 3, collect, the large particle calcium carbonate that does not meet the requirements falls at the bottom of the screening cylinder 11, through the screening effect, the ground calcium carbonate powder is screened, has the effect of simplifying the processing flow of the ground calcium carbonate and improving the processing calcium carbonate efficiency, the large particle calcium carbonate that does not meet the requirements is accumulated at the bottom of the screening cylinder 11, the large particle calcium carbonate is guided to the bottom collecting barrel 36 through the guiding effect of the guide seat 35, under the rotation of the rotating column 38, the main gear 39 is rotated, thereby driving the gear 40 and the installation column 37 rotate, drive the distribution disc 42 rotate, thereby the large particle calcium carbonate accumulated every interval of time will fall back to the inside of the grinding cylinder 14 from the distribution port 41, clean the large particle calcium carbonate in the inside of the screening cylinder 11, recycle the large particle calcium carbonate that does not meet the requirements, has the effect of recycling the large particle calcium carbonate, when the calcium carbonate material enters the inside of the shell 2 through the feed cylinder 4, the large calcium carbonate material may block the inside of the feed cylinder 4, through the rotating shaft 7 drives the first connecting shaft 8 and the eccentric wheel 46 rotate, makes the eccentric wheel 46 drive the linkage plate 48 swing left and right, thereby drive the top of the linkage plate 48 swing, the linkage plate 48 drives the connecting plate 43 swing back and forth, makes the beating block 44 swing back and forth with the connecting plate 43, the beating block 44 constantly beats the large calcium carbonate, makes the calcium carbonate material further crush, prevents the large calcium carbonate from blocking the feed cylinder 4, has the effect of preventing the calcium carbonate from blocking the feed cylinder 4, when grinding the calcium carbonate, under the continuous rotation of the rotating cylinder 9, the rotating cylinder 9 drives the multiple first grinding nails 24, the second grinding nails 25, the third grinding nails 27 and the fourth grinding nails 29 around rotate, the eccentric rotation of the first eccentric disc 21, produces impact, makes the first grinding ring 22 constantly impact the upper fixed ring 23 in the process of rotation, due to the effect of the first eccentric disc 21, multiple eccentric discs and grinding rings, constantly impact the grinding ring 26 and the lower grinding ring 28, grind the calcium carbonate into powder, the bottom grinding concave 31 and the grinding convex 30 slide with each other, further grind the calcium carbonate powder, has the effect of grinding the calcium carbonate by using eccentric vibration, the air at the bottom of the base 1 enters the inside of the rotating cylinder 9 through the air inlet 6 and the air inlet hole 16, through the effect of the air guide frame 18, through the central position of the air guide frame 18, the air enters the top of the rotating cylinder 9, through the multiple air injection holes 20 at the top edge of the rotating cylinder 9, the air is injected out,The air generates vortex in the inside of the grinding cylinder 14, and the air flow carries away the calcium carbonate powder inside. During the continuous rotation of the rotating cylinder 9, the air flow at the bottom of the rotating cylinder 9 is accelerated by the centrifugal force, and the effect of the air collecting the calcium carbonate powder is increased.

[0055] The above description is merely preferred embodiments of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art, according to the technical range disclosed by the present application and the inventive concept, can make equivalent replacements or changes within the technical range disclosed by the present application, and all the replacements or changes should be covered within the protection scope of the present application.

Claims

1. A calcium carbonate powder grinding and grinding machine, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to the housing (2), the top of the housing (2) is fixedly connected to the feed cylinder (4), the top inner wall of the housing (2) is fixedly connected to the screening cylinder (11), one side of the screening cylinder (11) is plugged with an air guide pipe (12), a second connecting shaft (13) is rotatably connected to the inner wall of one side of the housing (2), the bottom of the second connecting shaft (13) is fixedly connected to the lower slave bevel gear, the top of the second connecting shaft (13) is fixedly connected to the upper master bevel gear, and the screening cylinder A fourth connecting shaft (32) is rotatably connected to one side of the (11), one end of the fourth connecting shaft (32) is connected to the upper slave bevel gear, and the other end of the fourth connecting shaft (32) is fixedly connected to the middle master bevel gear. A rotating column (38) is rotatably connected to the center position of the inner portion of the screening drum (11), one end of the rotating column (38) is fixedly connected to the middle slave bevel gear, and a screening disc (34) is fixedly connected to the inner portion of the screening drum (11), and a plurality of screening holes (33) are provided on the upper surface of the screening disc (34); A driving mechanism is installed inside the housing (2), and the driving mechanism is used to drive the rotating column (38). The driving mechanism includes a motor (5) fixedly connected to the bottom upper surface of the base (1), the top end of the output shaft of the motor (5) is fixedly connected to the rotating shaft (7), the top end of the rotating shaft (7) is fixedly connected to the rotating cylinder (9), the top end of the rotating shaft (7) is located at the bottom of the rotating cylinder (9) and is fixedly connected to the driving bevel gear (17), and a third connecting shaft (15) is rotatably connected to a position near the driving bevel gear (17) on one side of the housing (2), one end of the third connecting shaft (15) is fixedly connected to the left bevel gear, and the other end of the third connecting shaft (15) is fixedly connected to the lower main bevel gear, the driving bevel gear (17) is meshed with the left bevel gear, the lower main bevel gear is meshed with the lower slave bevel gear, the upper main bevel gear is meshed with the upper slave bevel gear, and the middle main bevel gear is meshed with the middle slave bevel gear. An intermittent release mechanism is installed inside the screening cylinder (11), and the intermittent release mechanism is used to intermittently release the collected calcium carbonate particles; An airflow mechanism is installed inside the rotating cylinder (9), and the airflow mechanism is used to introduce air; Grinding mechanisms are installed around the outer wall of the rotating cylinder (9), and the grinding mechanisms are used to grind calcium carbonate; An auxiliary mechanism is installed on one side of the grinding cylinder (14), and the auxiliary mechanism is used to assist in crushing the calcium carbonate material; The grinding mechanism includes a rotating cylinder (9) having a plurality of mounting rods fixedly connected to one side thereof, one end of the mounting rod being rotatably connected to a first eccentric disk (21), a first grinding ring (22) being slidably connected to the outer wall of the first eccentric disk (21), a plurality of first grinding pins (24) being fixedly connected to the outer wall of the first grinding ring (22), one end of the mounting rod being located below the first eccentric disk (21) and being rotatably connected to a second eccentric disk, a second grinding ring being slidably connected to the outer wall of the second eccentric disk, a plurality of second grinding pins (25) being fixedly connected to the outer wall of the second grinding ring, one end of the mounting rod being located below the second grinding pins (25) and being rotatably connected to a third eccentric disk, a third grinding ring being slidably connected to the outer wall of the third eccentric disk, A plurality of third grinding pins (27) are fixedly connected to the outer wall of the ring, one end of the mounting rod is located below the third grinding pin (27) and is rotatably connected to a fourth eccentric disk, a fourth grinding ring is slidably connected to the outer wall of the fourth eccentric disk, a plurality of fourth grinding pins (29) are fixedly connected to the outer wall of the fourth grinding ring, a plurality of upper fixed rings (23) are fixedly connected to the inner wall of the grinding cylinder (14), a plurality of middle grinding rings (26) are fixedly connected to the inner wall of the grinding cylinder (14) below the upper fixed ring (23), a lower grinding ring (28) is fixedly connected to the bottom edge of the grinding cylinder (14), a grinding convex (30) is fixedly connected to the bottom edge of the rotating cylinder (9), and a grinding concave (31) is fixedly connected to the bottom upper surface of the grinding cylinder (14); The auxiliary mechanism includes a first connecting shaft (8) rotatably connected to the other side of the housing (2) near the active bevel gear (17), one end of the first connecting shaft (8) is fixedly connected to the right bevel gear, the other end of the first connecting shaft (8) is an eccentric wheel (46), one side of the grinding cylinder (14) is rotatably connected to a linkage plate (48), a fixed rod is passed through the inner wall of the feed cylinder (4) and is rotatably connected, one end of the fixed rod is fixedly connected to a rotating plate (45), the other end of the fixed rod is fixedly connected to a connecting plate (43), one side of the connecting plate (43) is provided with a second slide groove (49), the two ends of the connecting plate (43) are respectively fixedly connected to striking blocks (44), a first slide groove (47) is provided on one side of the bottom end of the linkage plate (48), the top of the linkage plate (48) slides inside the second slide groove (49), and one side of the eccentric wheel (46) is fixedly connected to a slide rod, which slides inside the first slide groove (47).

2. A calcium carbonate powder grinding mill according to claim 1, characterized in that, The intermittent release mechanism comprises a guide seat (35) fixedly connected to the bottom of the screening drum (11), a main gear (39) fixedly connected to the inner wall of the screening drum (11), a collecting bucket (36) fixedly connected to the bottom of the screening drum (11), a mounting column (37) rotatably connected to a side position of the bottom of the screening drum (11) close to the collecting bucket (36), a slave gear (40) fixedly connected to the top of the mounting column (37), a material distribution plate (42) fixedly connected to the bottom of the mounting column (37), and a material guide funnel (19) fixedly connected to the top of the rotating drum (9).

3. A calcium carbonate powder grinding mill according to claim 2, characterized in that, A plurality of distribution openings (41) are provided on the upper surface of the distribution plate (42) near the edge thereof. The collecting barrel (36) is in communication with the interior of the screening drum (11). The main gear (39) and the slave gear (40) are engaged. A connecting groove is provided at the bottom of the collecting barrel (36). One side edge of the distribution plate (42) is slidably connected to the connecting groove.

4. A calcium carbonate powder grinding mill according to claim 3, characterized in that, The airflow mechanism comprises a base (1) having a plurality of air inlets (6) provided on the top, a grinding cylinder (14) having a plurality of air inlet holes (16) provided on the bottom near the driving bevel gear (17), an air guide frame (18) fixedly connected to the interior of the rotating cylinder (9), and a plurality of air injection holes (20) provided on the outer wall of the rotating cylinder (9) above the air guide frame (18).

5. A calcium carbonate powder grinding mill according to claim 4, characterized in that, The top of the air guide frame (18) is provided with a step, the air injection holes (20) are evenly distributed on the outer wall of the rotating cylinder (9), the top space and the bottom space of the air guide frame (18) are connected, and the rotating cylinder (9) can increase the outflow of air from the air injection holes (20) by utilizing centrifugal force through rotation.

Citation Information

Patent Citations

  • Pulverizer for calcium carbonate powder production

    CN215843177U

  • Improvements in or relating to the pulverization of substances

    GB229158A