CN109569814B

CN109569814B - Calcium carbonate reducing mechanism

Info

Publication number: CN109569814B
Application number: CN201811362906.2A
Authority: CN
Inventors: 彭贵明; 徐霞; 陈华平; 李林富
Original assignee: Sichuan Shimian Yixin Calcium Industry Co ltd
Current assignee: Sichuan Shimian Yixin Calcium Industry Co ltd
Priority date: 2018-11-16
Filing date: 2018-11-16
Publication date: 2021-06-11
Anticipated expiration: 2038-11-16
Also published as: CN109569814A

Abstract

The invention discloses a calcium carbonate crushing device, which comprises a shell, wherein a feeding hole and a discharging hole are formed in the shell, and the calcium carbonate crushing device is characterized in that: the crushing barrel is hollow and round, the large end of the crushing barrel is upward, the inner side wall of the crushing barrel is provided with convex teeth which spirally rise, the cutter is arranged on the transmission shaft, the crushing disk is positioned at the small end of the crushing barrel, the transmission shaft is connected with the crushing disk, the crushing disk is provided with a first cutter, a gap between the lower end of the crushing disk and the side wall of the crushing barrel forms a blanking channel, and the driving device can drive the transmission shaft and the crushing barrel to rotate; the device can smash calcium carbonate fast, has crushing efficient, smashes the good advantage of effect.

Description

Calcium carbonate reducing mechanism

Technical Field

The invention relates to the technical field of calcium carbonate crushing, in particular to a calcium carbonate crushing device.

Background

Calcium carbonate is an inorganic compound commonly known as limestone, stone powder, marble, calcite, and is a compound having the chemical formula CaCO₃Neutral, substantially insoluble in water, soluble in acid. It is a common substance on earth, exists in aragonite, calcite, chalk, limestone, marble, travertine and other rocks, and is also a main component of animal bones or shells. Calcium carbonate is an important building material, has wide industrial application, and is a common reagent (commonly used for generating CO by reacting with hydrochloric acid) in the chemistry of the first high school and the middle school₂Etc.).

In the production process, calcium carbonate needs to be crushed for convenient subsequent processing, and the crushed calcium carbonate is processed into powder, but the conventional calcium carbonate crusher has low crushing efficiency and cannot rapidly crush the calcium carbonate, so that the production efficiency is reduced; meanwhile, the ground calcium carbonate has poor quality, and the calcium carbonate with larger volume remains.

Disclosure of Invention

The invention aims to provide a calcium carbonate crushing device which can be used for rapidly crushing calcium carbonate, can effectively improve the crushing efficiency and has a better crushing effect.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a calcium carbonate reducing mechanism, includes the casing, is equipped with feed inlet and discharge gate on the casing, its characterized in that: still including smashing bucket, cutter, transmission shaft, crushing dish and drive arrangement, smash the inside cavity of bucket and be the round platform form, smash the bucket main aspects up, be equipped with on the inside wall of smashing the bucket and be spiral rising's dogtooth, the cutter is installed on the transmission shaft, and crushing dish is located crushing bucket tip, and the transmission shaft is connected with crushing dish, is equipped with first cutter on crushing dish, and the gap between crushing dish lower extreme and the crushing bucket lateral wall forms the unloading passageway, and drive arrangement can drive the transmission shaft and smash the bucket rotation.

The grinding device comprises a shell, and is characterized in that an inclined guide plate and a grinding plate are arranged in the shell, the guide plate and the grinding plate are positioned below a grinding barrel and form a y shape, a first material crushing device is arranged between the guide plate and the grinding plate and comprises a lead screw, a lead screw nut, a guide rod, a guide cylinder, a spring, a connecting rod, a fixing plate and a plurality of grinding rollers, the lead screw is horizontally arranged, the lead screw is connected with a driving motor, the lead screw nut and the lead screw are matched with each other, the guide rod penetrates through the lead screw nut, the guide cylinder is installed below the lead screw nut, the spring is installed in the guide cylinder, the connecting rod extends into the guide cylinder and abuts against the spring, the fixing plate is installed below the connecting rod and is parallel to the grinding plate, the grinding rollers are installed on the; and a first sensor and a second sensor are arranged on the guide rod and are connected with the driving motor.

And the grinding plate is provided with a vibration motor.

Grinding plate below is equipped with the sieve, and the sieve slope sets up, and sieve extreme low position is equipped with the feed back export with casing hookup location, and the grinding plate highest point is equipped with the feed back import with casing hookup location, is connected through the feed screw between feed back export and the feed back import.

The rotating direction of the transmission shaft is different from that of the crushing barrel.

The rotating speed of the transmission shaft is different from that of the crushing barrel.

Compared with the prior art, the invention has the following beneficial effects:

1. the feeding port is used for feeding, the discharging port is used for discharging, the crushing barrel is hollow and round, the large end of the crushing barrel is upward, the inner side wall of the crushing barrel is provided with convex teeth which spirally rise, the cutter is installed on the transmission shaft, the crushing disc is positioned at the small end of the crushing barrel, the transmission shaft is connected with the crushing disc, the crushing disc is provided with the first cutter, a gap between the lower end of the crushing disc and the side wall of the crushing barrel forms a discharging channel, and the driving device can drive the transmission shaft and the crushing barrel to rotate; the arrangement can ensure that calcium carbonate can be effectively crushed after entering the crushing barrel, calcium carbonate entering the crushing barrel firstly contacts with the cutter on the transmission shaft and is crushed under the action of the cutter, when the cutter is used for crushing, one part of calcium carbonate moves towards the side wall of the crushing barrel and then contacts with the convex teeth arranged on the inner side wall of the crushing barrel, the crushing barrel rotates to crush the calcium carbonate close to the crushing barrel again, the other part of calcium carbonate directly falls on the crushing disc, the calcium carbonate is subjected to friction force at the moment of contacting with the crushing disc and can be twisted and crushed, and simultaneously, the first cutter on the crushing disc crushes the calcium carbonate, so that the calcium carbonate can be fully crushed under the cooperation of the cutter, the crushing disc, the first cutter, the crushing barrel, the convex teeth and other parts, the crushed calcium carbonate is discharged from the discharging channel, and the discharging channel has a certain width, therefore, the calcium carbonate can be primarily screened once, larger calcium carbonate can be remained in the grinding barrel to be continuously ground, and smaller calcium carbonate can be directly discharged; in the crushing process, the calcium carbonate moves violently and randomly in the crushing barrel, so that the calcium carbonate can be fully crushed by the cutter, the first cutter and the convex teeth, and the crushing effect of the calcium carbonate is effectively improved; simultaneously, calcium carbonate can smash fast in smashing the bucket, has guaranteed production efficiency.

2. The calcium carbonate falling from the blanking channel falls on the guide plate and then enters the grinding plate along the guide plate, and slides downwards along the grinding plate, meanwhile, the calcium carbonate is ground and crushed again due to the arranged first crushing device, the grinding rollers are arranged on the fixed plate as the fixed plate is arranged below the connecting rod and is parallel to the grinding plate, each grinding roller can rotate, so that the lead screw nut can move on the lead screw under the driving of the driving motor, the first sensor and the second sensor are used for detecting whether the lead screw nut is in place or not, the driving motor for forward rotation is changed into reverse rotation when the lead screw nut is close to the first sensor, the driving motor for reverse rotation is changed into forward rotation when the lead screw nut is close to the second sensor, so that the back and forth movement of the lead screw nut on the lead screw is realized, and the fixed plate is driven by the connecting rod when the lead screw nut moves, the grinding roller grinds the crushing calcium carbonate in the top of abrasive sheet, because fixed plate and abrasive sheet are parallel to each other, simultaneously under the effect of spring, make the grinding roller on the fixed plate tightly press on the abrasive sheet, when screw nut removes, the connecting rod takes the fixed plate to remove to grind the calcium carbonate on the abrasive sheet and smash, and simultaneously, at the in-process that removes, because the abrasive sheet slope sets up, when the fixed plate moves rightwards, the spring will receive the extrusion, make the power of grinding roller pressure on the abrasive sheet on the fixed plate bigger, when the fixed plate removes to the left, the spring extends gradually, make the power of grinding roller pressure on the abrasive sheet on the fixed plate reduce, so reciprocal grinding smashes, can further guarantee to grind kibbling effect.

3. The vibrating motor is arranged on the grinding plate, so that the calcium carbonate on the grinding plate can continuously slide downwards, and the smooth grinding process is ensured.

4 the sieve plate is arranged below the grinding plate, the sieve plate is arranged in an inclined manner, the connecting position of the lowest position of the sieve plate and the shell is provided with a feed back outlet, the connecting position of the highest position of the grinding plate and the shell is provided with a feed back inlet, the feed back outlet is connected with the feed back inlet through the spiral feeder, so that ground and crushed calcium carbonate can be screened, smaller calcium carbonate meeting the requirements is discharged, calcium carbonate which does not meet the requirements returns to the grinding plate again under the action of the spiral feeder to be ground and crushed, the quality of the calcium carbonate is ensured, the calcium carbonate is basically uniform in size, and the calcium carbonate with larger volume cannot be contained.

5. The rotating direction of the transmission shaft is different from that of the crushing barrel; the rotating speed of the transmission shaft is different from that of the crushing barrel, so that the calcium carbonate crushing effect can be further ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Reference numerals: 1 shell, 101 feed inlet, 102 discharge outlet, 2 crushing barrel, 3 cutters, 4 transmission shafts, 5 crushing disc, 6 convex teeth, 7 first cutters, 8 blanking channel, 9 annular boss, 10 support piece, 11 speed reducing motor, 12 first belt pulley, 13 third belt pulley, 14 second belt pulley, 15 fourth belt pulley, 16 rotating shaft, 17 driving gear, 18 meshing teeth, 19 guide plate, 20 grinding plate, 21 driving motor, 22 guide rod, 23 lead screw, 24 first sensor, 25 lead screw nut, 26 second sensor, 27 fixing plate, 28 guide cylinder, 29 connecting rod, 30 grinding roller, 31 vibrating motor, 32 sieve plate, 33 feed back outlet, 34 feed back inlet, 35 first driving motor, 36 first rotating shaft, 37 outer cylinder, 38 helical blade, 39 spring.

Detailed Description

The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.

Example 1

The device comprises a shell 1, wherein a feeding hole 101 and a discharging hole 102 are formed in the shell 1, the bottom of the shell 1 is conical, and the discharging hole 102 is formed in the bottom of the shell 1; still including smashing bucket 2, cutter 3, transmission shaft 4, crushing dish 5 and drive arrangement in this embodiment, smash 2 inside hollows of bucket and be the round platform form, smash 2 main aspects of bucket up, be equipped with on the inside wall of smashing bucket 2 and be spiral lift's dogtooth 6, cutter 3 installs on transmission shaft 4, and crushing dish 5 is located 2 tip of smashing bucket, and transmission shaft 4 is connected with crushing dish 5, is equipped with first cutter 7 on crushing dish 5, and the gap formation unloading passageway 8 between 5 lower extremes of crushing dish and the 2 lateral walls of crushing bucket, and drive arrangement can drive transmission shaft 4 and smash 2 rotations of bucket.

It should be noted that, in order to enable the pulverizing barrel 2 to rotate, an annular boss 9 is arranged on the side surface of the upper end of the pulverizing barrel 2, a support member 10 is arranged on the top of the casing, a groove matched with the annular boss 9 is arranged on the support member 10, and the pulverizing barrel 2 rotates through the matching of the annular boss 9 and the groove.

Wherein, drive arrangement includes gear motor 11, first belt pulley 12, second belt pulley 14, third belt pulley 13, fourth belt pulley 15, driving gear 17 and pivot 16, gear motor 11 installs on casing 1, be equipped with meshing tooth 18 at 2 outer walls of crushing bucket, first belt pulley 12 is installed on transmission shaft 4, third belt pulley 13 is installed on pivot 16, second belt pulley 14 and fourth belt pulley 15 are installed on gear motor 11's output shaft, first belt pulley 12 passes through the belt with second belt pulley 14 and is connected, third belt pulley 13 also passes through the belt with fourth belt pulley 15 and is connected, driving gear 17 is installed in pivot 16, and make driving gear 17 and meshing tooth 18 intermeshing.

Preferably, an inclined guide plate 19 and a grinding plate 20 are arranged in the housing 1, the guide plate 19 and the grinding plate 20 are located below the pulverizing barrel 2, the guide plate 19 and the grinding plate 20 form a y-shape, a first crushing device is arranged between the guide plate 19 and the grinding plate 20, the first crushing device comprises a lead screw 23, a lead screw nut 25, a guide rod 22, a guide cylinder 28, a spring 39, a connecting rod 29, a fixing plate 27 and a plurality of crushing rollers 30, the lead screw 23 is horizontally arranged, the lead screw 23 is connected with a driving motor 21, the lead screw nut 25 is matched with the lead screw 23, the guide rod 22 passes through the lead screw nut 25, the guide cylinder 28 is mounted below the lead screw nut 25, the spring 39 is mounted in the guide cylinder 28, the connecting rod 29 extends into the guide cylinder 28 and abuts against the spring 39, the fixing plate 27 is mounted below the connecting rod 29 and is parallel to the grinding plate 20, the crushing rollers 30 are mounted on the fixing plate, each rolling roller 30 is rotatable; a first sensor 24 and a second sensor 26 are arranged on the guide rod 22, and both the first sensor 24 and the second sensor 26 are connected with the driving motor 21.

Preferably, the grinding plate 20 is provided with a vibration motor 31.

Further optimize, lapping plate 20 below is equipped with sieve 32, and sieve 32 slope sets up, and the sieve 32 lowest position is equipped with feed back export 33 with casing 1 hookup location, and lapping plate 20 highest point is equipped with feed back import 34 with casing 1 hookup location, is connected through the screw feeder between feed back export 33 and the feed back import 34.

Wherein, the screw feeder includes first driving motor 35, urceolus 37, first pivot 36, and urceolus 37 is installed outside casing 1, is equipped with helical blade 38 along its axial direction on the first pivot 36, and first pivot 36 is installed in urceolus 37, and first driving motor 35 is connected with first pivot 36, and first driving motor 35 can drive first pivot 36 and rotate, is equipped with import and export on the urceolus 37, and the import links to each other with feed back export 33, and the export links to each other with feed back import 34.

Example 2

This embodiment is substantially the same as embodiment 1, except that: the rotating direction of the transmission shaft 4 is different from that of the crushing barrel 2; the rotating speed of the transmission shaft 4 is different from that of the crushing barrel 2.

In order to ensure that the rotating speed of the transmission shaft 4 is different from that of the crushing barrel 2 in practice, the transmission ratio is only required to be different.

In order to ensure that the rotation direction of the transmission shaft 4 is different from the rotation direction of the crushing barrel 2, a reduction motor 11 can be additionally arranged on the basis of the embodiment 1, so that the fourth belt pulley 15 can be arranged on the output shaft of the newly arranged reduction motor 11, only the rotation speed and the rotation direction of the two reduction motors 11 need to be controlled, and the process is simple.

The principle of the invention is as follows: calcium carbonate entering the crushing barrel 2 firstly contacts with the cutter 3 on the transmission shaft 4 and is crushed under the action of the cutter 3, when the cutter 3 crushes the calcium carbonate, one part of the calcium carbonate moves towards the side wall of the crushing barrel 2 and then contacts with the convex teeth 6 arranged on the inner side wall of the crushing barrel 2, the crushing barrel 2 rotates to crush the calcium carbonate close to the crushing barrel 2 again, the other part of the calcium carbonate directly falls on the crushing disc 5, the calcium carbonate is subjected to friction force at the moment of contact with the crushing disc 5 and can be twisted and crushed, meanwhile, the first cutter 7 on the crushing disc 5 crushes the calcium carbonate, thus under the cooperation of the cutter 3, the crushing disc 5, the first cutter 7, the crushing barrel 2, the convex teeth 6 and other parts, the calcium carbonate can be fully crushed, the crushed calcium carbonate is discharged from the discharging channel 8, and the discharging channel 8 has a certain width, therefore, the calcium carbonate can be primarily screened once, larger calcium carbonate can be remained in the grinding barrel 2 for continuous grinding, and smaller calcium carbonate can be directly discharged; in the crushing process, the calcium carbonate moves violently and randomly in the crushing barrel 2, so that the calcium carbonate can be fully crushed by the cutter 3, the first cutter 7 and the convex teeth 6, and meanwhile, the calcium carbonate is collided and crushed, and the crushing effect of the calcium carbonate is effectively improved; meanwhile, calcium carbonate can be rapidly crushed in the crushing barrel 2, and the production efficiency is ensured.

The calcium carbonate falling from the discharging channel 8 falls on the guide plate 19 and then enters the grinding plate 20 along the guide plate 19, and slides down along the grinding plate 20, and at the same time, the calcium carbonate is ground and pulverized again due to the first pulverizing device provided, since the fixing plate 27 is installed below the connecting rod 29 and parallel to the grinding plate 20, the grinding roller 30 is installed on the fixing plate 27 through the rotating shaft 16, each grinding roller 30 can rotate, so that the lead screw nut 25 can be moved on the lead screw 23 by the driving of the driving motor 21, the first sensor 24 and the second sensor 26 are used for detecting whether the lead screw nut 25 is in place, the driving motor 21 in forward rotation becomes reverse rotation when the lead screw nut 25 is close to the first sensor 24, and the driving motor 21 in reverse rotation becomes forward rotation when the lead screw nut 25 is close to the second sensor 26, so as to realize the back and forth movement of the lead screw nut 25 on the lead screw 23, while the screw nut 25 moves, the fixing plate 27 is driven by the connecting rod 29, the grinding roller 30 grinds and crushes calcium carbonate above the grinding plate 20, since the fixing plate 27 and the grinding plate 20 are parallel to each other, and the grinding roller 30 on the fixing plate 27 can tightly press against the grinding plate 20 under the action of the spring 39, when the screw nut 25 moves, the connecting rod 29 drives the fixing plate 27 to move to grind and crush calcium carbonate on the grinding plate 20, and meanwhile, in the moving process, since the grinding plate 20 is obliquely arranged, when the fixing plate 27 moves rightwards, the spring 39 will be pressed, so that the force of the grinding roller 30 on the fixing plate 27 pressing against the grinding plate 20 is larger, when the fixing plate 27 moves leftwards, the spring 39 gradually extends, so that the force of the grinding roller 30 on the fixing plate 27 pressing against the grinding plate 20 is reduced, and thus, the grinding and crushing are performed repeatedly, the grinding and crushing effect can be further ensured.

Under the action of the vibration motor 31, the calcium carbonate on the grinding plate 20 can smoothly slide down, so that the grinding and crushing are ensured;

the sieve plate 32 is arranged below the grinding plate 20, the sieve plate 32 is obliquely arranged, a feed back outlet 33 is arranged at the lowest position of the sieve plate 32 and the connecting position of the shell 1, a feed back inlet 34 is arranged at the highest position of the grinding plate 20 and the connecting position of the shell 1, the feed back outlet 33 and the feed back inlet 34 are connected through the spiral feeder, so that ground and crushed calcium carbonate can be screened, smaller calcium carbonate meeting the requirements is discharged, calcium carbonate which does not meet the requirements returns to the grinding plate 20 again under the action of the spiral feeder to be ground and crushed, the quality of the calcium carbonate is ensured, the size of the calcium carbonate is basically uniform, and the calcium carbonate cannot contain calcium carbonate with larger volume.

Therefore, the efficiency of crushing calcium carbonate is effectively improved, and the quality of the calcium carbonate is ensured.

Claims

1. The utility model provides a calcium carbonate reducing mechanism, includes the casing, is equipped with feed inlet and discharge gate on the casing, its characterized in that: the crushing barrel is hollow and round, the large end of the crushing barrel is upward, the inner side wall of the crushing barrel is provided with convex teeth which spirally rise, the cutter is arranged on the transmission shaft, the crushing disk is positioned at the small end of the crushing barrel, the transmission shaft is connected with the crushing disk, the crushing disk is provided with a first cutter, a gap between the lower end of the crushing disk and the side wall of the crushing barrel forms a blanking channel, and the driving device can drive the transmission shaft and the crushing barrel to rotate; in order to enable the crushing barrel to rotate, an annular boss is arranged on the side face of the upper end of the crushing barrel, a supporting piece is arranged at the top of the shell, a groove matched with the annular boss is formed in the supporting piece, and the crushing barrel rotates through the matching of the annular boss and the groove;

the grinding device comprises a shell, and is characterized in that an inclined guide plate and a grinding plate are arranged in the shell, the guide plate and the grinding plate are positioned below a grinding barrel and form a y shape, a first material crushing device is arranged between the guide plate and the grinding plate and comprises a lead screw, a lead screw nut, a guide rod, a guide cylinder, a spring, a connecting rod, a fixing plate and a plurality of grinding rollers, the lead screw is horizontally arranged, the lead screw is connected with a driving motor, the lead screw nut and the lead screw are matched with each other, the guide rod penetrates through the lead screw nut, the guide cylinder is installed below the lead screw nut, the spring is installed in the guide cylinder, the connecting rod extends into the guide cylinder and abuts against the spring, the fixing plate is installed below the connecting rod and is parallel to the grinding plate, the grinding rollers are installed on the; a first sensor and a second sensor are arranged on the guide rod, and both the first sensor and the second sensor are connected with a driving motor;

the grinding plate is provided with a vibration motor;

2. The calcium carbonate crushing apparatus according to claim 1, characterized in that: the rotating direction of the transmission shaft is different from that of the crushing barrel.

3. The calcium carbonate crushing apparatus according to claim 1, characterized in that: the rotating speed of the transmission shaft is different from that of the crushing barrel.