CN218516856U

CN218516856U - Raw materials reducing mechanism is used in calcium carbonate powder production

Info

Publication number: CN218516856U
Application number: CN202222892586.XU
Authority: CN
Inventors: 张付松; 张付贵; 杨建春; 张贵茹; 张资; 崔东伟; 张贵彭; 张小雪; 张露; 刘璐; 闫道远
Original assignee: Nanyang Modern Stone Material Co Ltd
Current assignee: Nanyang Modern Stone Material Co Ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-02-24
Anticipated expiration: 2032-11-01

Abstract

The application provides a raw material crushing device for calcium carbonate powder production, which comprises a shell and supporting legs, wherein the supporting legs are fixedly arranged at the lower end of the shell; the top opening of the shell is provided with and fixedly provided with a connecting frame, and a motor is fixedly arranged on the connecting frame; a rotating shaft is rotatably arranged in the center of the shell, and the top of the rotating shaft is fixedly connected with an output shaft of the motor; a plurality of crushing plates are uniformly distributed on the rotating shaft; the lower end of the shell is slidably provided with a sieve plate, the center of the sieve plate is provided with a through hole, and the rotating shaft penetrates through the through hole; the center of the lower surface of the sieve plate is provided with an annular plate, the lower end of the rotating shaft is provided with a lug, the lug can be abutted against the lower surface of the annular plate, and the rotating shaft can drive the sieve plate to move up and down through the lug; this raw materials reducing mechanism is used in calcium carbonate powder production is at pivot pivoted in-process, and the sieve can reciprocate under the cooperation of lug and annular slab, leads to the sieve to produce and vibrates, shakes off the garrulous stone of gathering on the sieve, avoids the sieve to block up.

Description

Raw materials reducing mechanism is used in calcium carbonate powder production

Technical Field

The utility model belongs to the technical field of the comminuted field and specifically relates to a raw materials reducing mechanism is used in calcium carbonate powder production.

Background

Calcium carbonate is an inorganic compound and is a main component of limestone, marble, and the like. It is one of the common substances on earth, exists in aragonite, calcite, chalk, limestone, marble, travertine and other rocks, and is also the main component of certain animal bones or shells. Calcium carbonate is also an important building material and has a wide range of industrial applications. Nowadays, calcium carbonate is generally prepared by crushing limestone and calcite in an industrial mode.

Limestone, limestone for short, carbonate rock containing calcite as the main component. Sometimes contains dolomite, clay minerals and clastic minerals, has the colors of grey, grey white, grey black, yellow, light red, brown red and the like, has small hardness, and can be subjected to the steps of crushing, purifying, reacting, drying and the like when the calcium carbonate powder is prepared.

In the prior art, when limestone is crushed, multi-stage crushing is usually carried out, large limestone is firstly crushed into blocks or particles preliminarily, and then a multi-stage crusher or a high-precision crusher is used for crushing and grinding; at preliminary crushing in-process, the unable removal of sieve of current breaker leads to the sieve to be blockked up easily to there is the certain distance between the sieve of current breaker apart from the quartering hammer, and the quartering hammer can't smash the stone between sieve and the quartering hammer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a raw materials reducing mechanism is used in calcium carbonate powder production for mention the problem that the sieve easily blockked up and the unable stone of smashing between sieve and the quartering hammer in solving above-mentioned background art.

In order to solve the problems, the utility model provides a raw material crushing device for producing calcium carbonate powder, which comprises a shell and supporting legs, wherein the supporting legs are fixedly arranged at the lower end of the shell; the top opening of the shell is provided with a connecting frame which is fixedly provided with a motor; a rotating shaft is rotatably arranged at the center of the shell, and the top of the rotating shaft is fixedly connected with an output shaft of the motor; a plurality of crushing plates are uniformly distributed on the rotating shaft; a sieve plate is slidably arranged at the lower end of the shell, a through hole is formed in the center of the sieve plate, and the rotating shaft penetrates through the through hole; the center of the lower surface of the sieve plate is provided with an annular plate, the lower end of the rotating shaft is provided with a lug, the lug can abut against the lower surface of the annular plate, and the rotating shaft can drive the sieve plate to move up and down through the lug; the lower end opening of the shell is arranged.

Further, the annular plate is arc-shaped, and the distance between the lower end of the annular plate and the lower surface of the sieve plate is gradually increased along the circumference of the annular plate.

Further, a conical plate is arranged at the top of the shell, and the diameter of the upper end of the conical plate is larger than that of the lower end of the conical plate.

Further, crushing board includes first crushing board and second crushing board, first crushing board with the second crushing board is in the interval sets up in the pivot, the length of second crushing board is greater than the length of first crushing board.

Further, the length of the second pulverizing plate is smaller than the radius of the housing.

Further, the lower end in the shell is provided with a circular truncated cone, and the lower surface of the sieve plate can abut against the circular truncated cone.

Further, the edge of sieve is vertical to be provided with the straight flute, be provided with spacing on the inner wall of casing, spacing stretches into in the straight flute.

Further, the straight flute on the sieve follows sieve circumference equipartition is provided with a plurality ofly, spacing in the casing corresponds and is provided with a plurality ofly.

Furthermore, the inner wall of the shell is also provided with a wear-resistant layer.

This raw materials reducing mechanism is used in calcium carbonate powder production has following beneficial effect:

1) This raw materials reducing mechanism is used in calcium carbonate powder production is at pivot pivoted in-process, and the sieve can reciprocate under the cooperation of lug and annular slab, leads to the sieve to produce and vibrates, shakes off the garrulous stone of gathering on the sieve, avoids the sieve to block up.

2) This raw materials reducing mechanism is used in calcium carbonate powder production reciprocates at the sieve in-process, can constantly will pile up the material in the sieve top and send the working range to the board of smashing, guarantees that not have on the sieve that unbroken stone remains.

Drawings

Fig. 1 is an overall cross-sectional view of an embodiment of the present invention;

fig. 2 is a schematic perspective view of a screen plate according to an embodiment of the present invention.

In the figure: 1. a housing; 11. a tapered plate; 12. a feed inlet; 13. a wear layer; 14. a support leg; 2. a motor; 21. a connecting frame; 3. a rotating shaft; 31. a first crushing plate; 32. a second crushing plate; 33. a bump; 4. a sieve plate; 41. a straight groove; 42. an annular plate.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

Fig. 1 to 2 show an embodiment of a raw material pulverizing apparatus for calcium carbonate powder production according to the present invention, which comprises a casing 1 and supporting legs 14, wherein the supporting legs 14 are fixedly installed at the lower end of the casing 1; a connecting frame 21 is arranged and fixedly installed at the top opening of the shell 1, and a motor 2 is fixedly installed on the connecting frame 21; a rotating shaft 3 is rotatably arranged at the center of the shell 1, and the top of the rotating shaft 3 is fixedly connected with an output shaft of the motor 2; a plurality of crushing plates are uniformly distributed on the rotating shaft 3; a sieve plate 4 is slidably arranged at the lower end of the shell 1, a through hole is formed in the center of the sieve plate 4, and the rotating shaft 3 penetrates through the through hole; the center of the lower surface of the sieve plate 4 is provided with an annular plate 42, the lower end of the rotating shaft 3 is provided with a lug 33, the lug 33 can be abutted against the lower surface of the annular plate 42, and the rotating shaft 3 can drive the sieve plate 4 to move up and down through the lug 33; the lower extreme opening setting of casing 1, the lower extreme of casing 1 is provided with the support frame, and the lower extreme of pivot 3 is rotationally installed on the support frame.

Particularly, when using this raw materials reducing mechanism is used in calcium carbonate powder production, will treat that kibbling stone raw materials drops into in the casing 1 from feed inlet 12 of casing 1 top, treat that the material piles up on sieve 4 after, starter motor 2, motor 2 drives the rubbing board and rotates, smash the material in the casing 1, and simultaneously, lug 33 of pivot 3 lower extreme is when along with pivot 3 synchronous rotation, can slide along the lower surface of annular plate 42 of sieve 4 below, because pivot 3 can only rotate, can't remove in vertical direction, lug 33 can only rotate promptly, therefore sieve 4 can be by lug 33 jack-up in the pivoted in-process of pivot 3, on the one hand make the material homoenergetic in the casing 1 smash by rubbing board striking, on the other hand, after lug 33 rotates to break away from with annular plate 42, sieve 4 can fall down under the effect of gravity, the striking is at the installation department on casing 1, through vibrate the preliminary broken material that acceleratees in the casing 1 and fall from sieve 4, flow out from casing 1 lower extreme, wait for next crushing technology.

In one embodiment of the present application, it is preferable that the annular plate 42 has an arc shape, and the lower end of the annular plate 42 is spaced from the lower surface of the screen plate 4 by a distance gradually increasing along the circumference of the annular plate 42; guarantee can be gradually through annular plate 42 with sieve 4 jack-up at lug 33 along with the pivoted in-process of pivot 3, sieve 4 falls again after rotating to lug 33 and annular plate 42 and break away from, makes sieve 4 vibrate, and the material whereabouts of preliminary broken qualification is accelerated, also all sends the broken within range of breaker to on the sieve 4 accumulational all materials, guarantees broken thoroughly completely.

In one embodiment of the present application, it is preferable that the top of the housing 1 is provided with a tapered plate 11, and the diameter of the upper end of the tapered plate 11 is larger than that of the lower end of the tapered plate 11; facilitating the release of material from outside the housing 1 into the housing 1.

In one embodiment of the present application, it is preferable that the pulverizing plates include a first pulverizing plate 31 and a first pulverizing plate 32, the first pulverizing plate 31 and the first pulverizing plate 32 are disposed at an interval on the rotating shaft 3, and the length of the first pulverizing plate 32 is greater than that of the first pulverizing plate 31; the materials in the shell 1 can be guaranteed, the materials close to the inner wall of the shell 1 can be crushed by the end of the first crushing plate 32 in an impacting manner, and the materials which are difficult to crush are crushed by the extrusion between the first crushing plate 32 and the inner wall of the shell 1; the material close to the rotating shaft 3 can be impacted and crushed by the end of the first crushing plate 31 and cannot be crushed, and the material is stirred to move towards the end direction of the first crushing plate 32 through the rotation of the first crushing plate 31; the situation that the material close to the rotating shaft 3 cannot be crushed is avoided.

In one embodiment of the present application, it is preferable that the length of the first pulverizing plate 32 is smaller than the radius of the housing 1; the crushing plate is prevented from being scratched to the inner wall of the shell 1, and the normal rotation of the crushing plate is ensured.

In an embodiment of the present application, preferably, a circular truncated cone is disposed at the lower end inside the casing 1, and the lower surface of the sieve plate 4 can abut against the circular truncated cone; the lug 33 on the rotating shaft 3 jacks up the sieve plate 4 through the annular plate 42, after the lug 33 is separated from the annular plate 42, the sieve plate 4 falls downwards under the action of gravity and can fall onto the circular truncated cone, the downward impact force of the sieve plate 4 is borne by the shell 1, the lug 33 is protected, and the lug 33 is prevented from being damaged due to the collision of the sieve plate 4.

In one embodiment of the present application, preferably, a straight groove 41 is vertically arranged at the edge of the screen plate 4, and a limiting strip is arranged on the inner wall of the casing 1 and extends into the straight groove 41; the sieve plate 4 is limited to rotate, and is guaranteed to move up and down only along the vertical direction.

In an embodiment of the present application, preferably, a plurality of straight grooves 41 on the sieve plate 4 are uniformly distributed along the circumferential direction of the sieve plate 4, and a plurality of limiting strips in the casing 1 are correspondingly arranged; the stress on the sieve plate 4 is more uniform.

In one embodiment of the present application, it is preferable that the inner wall of the housing 1 is further provided with a wear-resistant layer 13; the service life of the housing 1 is prolonged.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A raw material crushing device for calcium carbonate powder production comprises a shell and supporting legs, wherein the supporting legs are fixedly arranged at the lower end of the shell; the method is characterized in that: the top opening of the shell is provided with a connecting frame which is fixedly provided with a motor; a rotating shaft is rotatably arranged at the center of the shell, and the top of the rotating shaft is fixedly connected with an output shaft of the motor; a plurality of crushing plates are uniformly distributed on the rotating shaft; a sieve plate is slidably arranged at the lower end of the shell, a through hole is formed in the center of the sieve plate, and the rotating shaft penetrates through the through hole; the center of the lower surface of the sieve plate is provided with an annular plate, the lower end of the rotating shaft is provided with a lug, the lug can be abutted against the lower surface of the annular plate, and the rotating shaft can drive the sieve plate to move up and down through the lug; the lower end opening of the shell is arranged.

2. The raw material pulverizing apparatus for calcium carbonate powder production according to claim 1, characterized in that: the annular plate is arc-shaped, and the distance between the lower end of the annular plate and the lower surface of the sieve plate is gradually increased along the circumference of the annular plate.

3. The raw material pulverizing apparatus for calcium carbonate powder production according to claim 1, characterized in that: the top of the shell is provided with a conical plate, and the diameter of the upper end of the conical plate is larger than that of the lower end of the conical plate.

4. The raw material pulverizing apparatus for calcium carbonate powder production according to claim 1, characterized in that: the crushing plate comprises a first crushing plate and a second crushing plate, the first crushing plate and the second crushing plate are arranged on the rotating shaft at intervals, and the length of the second crushing plate is larger than that of the first crushing plate.

5. The raw material pulverizing apparatus for calcium carbonate powder production according to claim 4, characterized in that: the second crushing plate has a length less than a radius of the housing.

6. The raw material pulverizing apparatus for calcium carbonate powder production according to claim 1, characterized in that: the lower extreme of the inside casing is provided with the round platform, the lower surface of sieve can be contradicted on the round platform.

7. The raw material pulverizing apparatus for calcium carbonate powder production according to claim 1, characterized in that: the edge of sieve is vertical to be provided with the straight flute, be provided with spacing on the inner wall of casing, spacing stretches into in the straight flute.

8. The raw material pulverizing apparatus for calcium carbonate powder production according to claim 7, characterized in that: the straight flute on the sieve is followed sieve circumference equipartition is provided with a plurality ofly, spacing in the casing corresponds and is provided with a plurality ofly.

9. The raw material pulverizing apparatus for calcium carbonate powder production according to claim 8, characterized in that: and the inner wall of the shell is also provided with a wear-resistant layer.