CN220919871U - Cement raw material screening mechanism - Google Patents

Abstract

The utility model discloses a cement raw material screening mechanism, which is characterized by comprising the following components: feed mechanism, screening mechanism and be used for the installation feed mechanism with screening mechanism's supporting mechanism, screening mechanism includes drive division, screening portion and beats the portion, screening portion includes the screening bucket, the screening bucket includes bucket sieve mesh, she Shaikong and flabellum, the several has been seted up to the lateral wall of screening bucket the bucket sieve mesh, the inner wall of screening bucket is equipped with at least one the flabellum, be equipped with the several on the flabellum She Shaikong, the bucket sieve mesh with She Shaikong is used for passing through cement raw materials to filtering debris, beat the portion including beating the piece, beat the piece and be used for beating under the drive of drive division the screening bucket, feed mechanism delivery outlet with the one end intercommunication of screening bucket, the drive division is used for the drive screening portion the screening bucket rotates, and then realizes cement raw materials screening.

Description

Cement raw material screening mechanism

Technical Field

The utility model relates to the technical field of cement production equipment, in particular to a cement raw material screening mechanism.

Background

In cement production processes, the preparation of cement raw materials involves a process from the start of raw material crushing to the formulation of the ingredients into the desired raw materials. Because the cement raw material to be screened carries impurities, the impurities are large-particle raw materials which are incompletely processed in the grinding and crushing process, such as limestone and other large-particle raw materials, the impurities can block sieve holes in the screening process, the qualified cement raw material is prevented from being screened out from the sieve holes, the appearance of cement raw material particles is rough, large friction force can be generated after the particles are extruded, a loose block structure is formed, the loose block structure cannot fall from the sieve holes, the cement production efficiency can be influenced, and the quality of cement products can be influenced. In order to solve the problems, a cement raw material screening mechanism is designed.

Disclosure of Invention

The utility model provides a cement raw material screening mechanism.

In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a cement raw meal screening mechanism comprising: feed mechanism, screening mechanism and be used for the installation feed mechanism with screening mechanism's supporting mechanism, screening mechanism includes drive division, screening portion and beats the portion, screening portion includes the sieve bucket, the sieve bucket includes bucket sieve mesh, she Shaikong and flabellum, the several has been seted up to the lateral wall of sieve bucket the bucket sieve mesh, the inner wall of sieve bucket is equipped with at least one the flabellum, be equipped with the several on the flabellum She Shaikong, the bucket sieve mesh with She Shaikong is used for passing through cement raw meal to the filtering debris, beat the portion including beating the piece, beat the piece and be used for beating under the drive of drive division the sieve bucket, feed mechanism delivery outlet with the one end intercommunication of sieve bucket, the drive division is used for the drive the sieve bucket of screening portion rotates.

The invention has the beneficial effects that: through rotatory and beating the sieve storage bucket, realize rolling many times, stirring, the action that falls, clear up the debris of blocking at the bucket sieve mesh, destroy the loose structure that cement raw material granule formed through frictional force, screen out the cement raw material that accords with the standard, screen out impurity such as smash the incomplete big hard material granule such as limestone that grinds unevenly and produce to the effect of screening has been strengthened, the efficiency of cement production is improved, the quality of guarantee cement product.

Adopt above-mentioned technical scheme, drive simultaneously by drive division and beat the portion and sieve the material portion, the sieve material bucket of beating the portion rotates, beat the piece of beating and beat the sieve material bucket, wait to sieve cement raw material and fill from feed mechanism, fall into rotatory sieve material bucket by gravity afterwards, wait to sieve cement raw material and realize rolling many times under the effect of the flabellum in the sieve material bucket by rotating, stirring, fall, cement, qualified cement raw material sieves out from the bucket sieve mesh, in-process, through rotating sieve material bucket and rolling many times, stirring and beat the portion and beat the sieve material bucket and shake, prevent that the bucket sieve mesh from blocking, debris is sieved, discharge from the lower one end of sieve material bucket.

In some embodiments, the driving part comprises a transmission shaft and a first gear, the first gear is fixedly sleeved on the transmission shaft, and the first gear and the transmission shaft are output ends of the driving part.

By adopting the technical scheme, the transmission shaft rotates to drive the first gear to rotate.

In some embodiments, the screening part comprises a second gear fixedly sleeved outside the screening barrel, and the second gear is meshed with the first gear.

By adopting the technical scheme, the driving part drives the second gear to rotate, and the second gear drives the sieving barrel to rotate, so that the cement raw material to be sieved in the sieving barrel is subjected to multiple rolling, stirring and falling actions.

In some embodiments, the screening part comprises a plurality of sliding rails, the sliding rails are movably sleeved on the outer side of the screening barrel at intervals, and the outer surfaces of the sliding rails are fixedly connected with the supporting mechanism.

By adopting the technical scheme, the sliding rail is arranged between the screening barrel and the supporting mechanism, so that the screening barrel is prevented from being directly contacted with the supporting mechanism, and the screening barrel can be flexibly rotated.

In some embodiments, the beating part includes a third gear, a rotation shaft, a first rotation member, a second rotation member and the beating member, the driving part is capable of driving the third gear to rotate, one end of the rotation shaft is fixedly connected with the third gear in an axial direction, the first rotation member and the second rotation member are sequentially arranged in an axial direction of the other end of the rotation shaft, the first rotation member is fixedly connected with the rotation shaft in an axial direction, the second rotation member is rotatably connected with the rotation shaft, and the beating member is rotatably connected with the second rotation member.

By adopting the technical scheme, the driving part drives the third gear, the third gear drives the rotating shaft, the beating driving shaft drives the first rotating piece, the first rotating piece drives the second rotating piece, the second rotating piece drives the beating piece, and the beating action of the screening barrel is realized.

In some embodiments, the first rotating member includes a protrusion, an arc-shaped groove coaxial with the second rotating member is formed on one side end surface of the second rotating member opposite to the first rotating member, a partition is formed in the middle of the groove, the protrusion is located in the groove, the protrusion can move in the groove, and the partition can limit the movement range of the protrusion.

By adopting the technical scheme, in the operation process of the cement raw material screening mechanism, the convex part of the first rotating part is positioned in the groove of the second rotating part, the second rotating part is propped against the partition of the second rotating part, the second rotating part is driven to rotate, at the moment, the first rotating part and the second rotating part are kept relatively static, and then the beating part is lifted.

In some embodiments, the support mechanism is capable of supporting the screening mechanism, and the portion of the support mechanism in contact with the screening mechanism is arranged obliquely, so that the screening portion of the screening mechanism is arranged obliquely to the support mechanism.

By adopting the technical scheme, in order to ensure that the cement raw material impurities can be smoothly discharged from the sieving barrel, a certain angle can be generated when the supporting structure supports the sieving part, and the impurities are discharged through gravity.

In some embodiments, the striking member is a rubber material.

By adopting the technical scheme, the rubber material has good elasticity, can play a role in protecting the sieve barrel, and can reduce operation noise.

In some embodiments, the groove arc is less than 2π.

By adopting the technical scheme, the two ends of the arc-shaped groove are required to be provided with the partitions for being propped against by the convex parts, so that the groove cannot be designed into a complete circle, namely, the radian is less than 2 pi.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a cement raw meal screening mechanism according to the present utility model.

Fig. 2 is a schematic structural diagram of an embodiment of a screening bucket according to the present utility model.

Fig. 3 is a schematic structural view of an embodiment of the first rotating member and the second rotating member provided by the present utility model.

The drawings are as follows:

1. the feeding mechanism is arranged on the upper part of the feeding mechanism,

2. A material sieving mechanism,

20. A driving part, a screening part, a beating part,

200. A transmission shaft, 201. A first gear,

210. A screen barrel, 211, a slide rail, 212, a second gear,

2100. Barrel mesh 2101, she Shaikong, 2102,

220. Third gear, 221, rotation shaft, 222, first rotation member, 223, second rotation member, 224, beating member,

2220. A protrusion 2230, a recess 2231, a partition,

3. And a supporting mechanism.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

For convenience of the following description, before describing a concrete structure of a cement raw meal screening mechanism, a first direction (shown in a z direction in fig. 1), a second direction (shown in a y direction in fig. 1) and a third direction (shown in an x direction in fig. 1) are defined in conjunction with fig. 1. Wherein the first direction is the height direction of the cement raw meal screening mechanism when the cement raw meal screening mechanism is normally placed, such as the direction shown by the z direction in fig. 1; the second direction is the length direction of the cement raw meal screening mechanism when the cement raw meal screening mechanism is normally placed, for example, the direction shown as the y direction in fig. 1; the third direction is the width direction of the cement raw meal screening means when it is normally placed, for example the direction indicated by the x-direction in fig. 1.

The first direction (shown as z-direction in fig. 1), the second direction (shown as y-direction in fig. 1) and the third direction (shown as x-direction in fig. 1) are perpendicular to each other in the present application. It is understood that the perpendicularity of the present application is not absolute, and that approximate perpendicularity due to machining errors and assembly errors (e.g., an angle of 89.9 ° between two structural features) is also within the scope of the perpendicularity of the present application.

Referring to fig. 1, fig. 1 is a schematic structural view of an embodiment of a cement raw material screening mechanism according to the present utility model.

Referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of a screening bucket according to the present utility model.

Referring to fig. 1 and 2, in an embodiment, a cement raw meal screening mechanism is characterized by comprising a feeding mechanism 1, a screening mechanism 2 and a supporting mechanism 3 for installing the feeding mechanism 1 and the screening mechanism 2, wherein the screening mechanism 2 comprises a driving part 20, a screening part 21 and a beating part 22, the screening part 21 comprises a screening barrel 210, the screening barrel 210 comprises barrel holes 2100, she Shaikong and fan blades 2102, a plurality of barrel holes 2100 are formed in the side wall of the screening barrel 210, at least one fan blade 2102 is arranged on the inner wall of the screening barrel 210, a plurality of She Shaikong 2101 are arranged on the fan blade 2102, the barrel holes 2100 and She Shaikong 2101 are used for passing cement raw meal and filtering sundries, the beating part 22 comprises a beating piece 224, the beating piece 224 is used for beating the screening barrel 210 under the driving of the driving part 20, an output port of the feeding mechanism 1 is communicated with one end of the screening barrel 210, and the driving part 20 is used for driving the screening barrel 210 of the screening barrel 21 to rotate.

In the embodiment of the application, the driving part 20 drives the sieving part 21 and the beating part 22 simultaneously, the sieving barrel 210 of the sieving part 21 rotates, the beating piece 224 of the beating part 22 beats the sieving barrel 210, cement raw materials to be sieved are filled in from the feeding mechanism 1 and then fall into the rotating sieving barrel by gravity, the cement raw materials to be sieved are rotated under the action of the fan blades 2102 in the sieving barrel 210 to realize multiple tumbling, stirring and falling, the qualified cement raw materials are sieved out from the barrel sieve holes 2100, and in the operation process, the sieving barrel 210 is beaten by rotating the sieving barrel 210 and the beating part 22 to vibrate, so that the barrel sieve holes 2100 are prevented from being blocked, and sundries are sieved out and discharged from the lower end of the sieving barrel 210.

Illustratively, the discharge hole of the feeding mechanism 1 extends into the screen bucket 210, the screen mechanism 2 is disposed on the supporting mechanism at 25 °, the driving portion 20 drives the screen portion 21 and the beating portion 22 simultaneously, the screen bucket 210 of the screen portion 21 rotates, 3 curved blades 2102 are disposed in the screen bucket 210, and the beating member 224 of the beating portion 22 beats the screen bucket 210.

The setting angle of the screening mechanism 2 is not limited, and can be designed to be 36.9 degrees, 12 degrees and the like according to actual needs.

It should be noted that the number of the fan blades 2102 is not limited, and may be designed to be 2, 5, etc. according to actual needs.

Referring to fig. 1, the driving part 20 includes a driving shaft 200 and a first gear 201, the first gear 201 is fixedly sleeved on the driving shaft 200, and the first gear 201 and the driving shaft 200 are output ends of the driving part 20.

In the embodiment of the present application, the transmission shaft 200 rotates to drive the first gear 201 to rotate.

Illustratively, the first gear 201 is mounted at the right end of the drive shaft 200 in the second direction (y).

Referring to fig. 1, the screen part 21 includes a second gear 212, the second gear 212 is fixedly sleeved outside the screen bucket 210, and the second gear 212 is engaged with the first gear 201.

In the embodiment of the present application, the driving part 20 drives the second gear 212 to rotate, and the second gear 212 drives the screen barrel 210 to rotate, so as to realize the actions of rolling, stirring and dropping the cement raw material to be screened in the screen barrel 210 for multiple times.

Illustratively, a second gear 212 is disposed at a higher end of the screen basket 210 and is in mesh with the first gear 201.

Referring to fig. 1, the screening portion 21 includes a plurality of sliding rails 211, the plurality of sliding rails 211 are movably sleeved outside the screening barrel 210 at intervals, and the outer surfaces of the plurality of sliding rails 211 are fixedly connected with the supporting mechanism 3.

In the embodiment of the application, the sliding rail 211 is arranged between the sieve barrel 210 and the supporting mechanism, so that the sieve barrel 210 is prevented from directly contacting with the supporting mechanism, and the sieve barrel 210 can flexibly rotate.

Illustratively, two sliding rails 211 are disposed at two ends of the screen bucket 210 at intervals along the second direction (y), and the outer sides of the sliding rails 211 are fixed on the supporting structure 3.

The number of the slide rails 211 is not limited, and may be 3, 4, etc. according to actual needs.

Referring to fig. 1, the striking part 22 includes a third gear 220, a rotation shaft 221, a first rotation member 222, a second rotation member 223, and a striking member 224, the driving part 20 can drive the third gear 220 to rotate, one end of the rotation shaft 221 is axially fixedly connected with the third gear 220, the first rotation member 222 and the second rotation member 223 are sequentially disposed in an axial direction of the other end of the rotation shaft 221, the first rotation member 222 is axially fixedly connected with the rotation shaft 221, the second rotation member 223 is rotatably connected with the rotation shaft 221, and the striking member 224 is rotatably connected with the second rotation member 223.

In the embodiment of the present application, the driving portion 20 drives the third gear 220, the third gear 220 drives the rotation shaft 221, the beating driving shaft drives the first rotating member 222, the first rotating member 222 drives the second rotating member 223, and the second rotating member 223 drives the beating member 224, so as to realize the beating action on the screen bucket 210.

Illustratively, the third gear 220 is keyed to the rotational shaft 221, the rotational shaft 221 is keyed to the first rotational member 222, and the rotational shaft 221 is bearing-coupled to the second rotational member 223.

The key connection is not limited, and may be designed as a bolt, a jackscrew, or the like according to actual needs.

It should be noted that the bearing connection is not limited, and may be designed into an oil-free bushing or the like according to actual needs.

Referring to fig. 3, fig. 3 is a schematic structural diagram of an embodiment of a first rotating member 222 and a second rotating member 223 provided in the present utility model.

Referring to fig. 3, the first rotation member 222 includes a protrusion 2220, an arc-shaped groove 2230 coaxial with the second rotation member 223 is formed at one side end surface of the second rotation member 223 opposite to the first rotation member 222, a partition 2231 is formed in the middle of the groove 2230, the protrusion 2220 is located in the groove 2230, the protrusion 2220 can move in the groove 2230, and the partition 2231 can limit the movement range of the protrusion 2220.

In the embodiment of the present application, in the operation process of the cement raw material screening mechanism, the protrusion 2220 of the first rotating member 222 is located in the groove 2230 of the second rotating member 223, and abuts against the partition 2231 of the second rotating member 223, so as to drive the second rotating member 223 to rotate, at this time, the first rotating member 222 and the second rotating member 223 remain relatively static, so as to lift the beating member 224, since the first rotating member 222 is fixedly connected with the rotating shaft 221, the second rotating member 223 is rotatably connected with the rotating shaft 221, after the beating member 224 is lifted to the highest position, the first rotating member 222 keeps the original speed movement, the center of gravity is changed during the rotation of the second rotating member 223, under the action of gravity, the second rotating member 223 and the first rotating member 222 are separated from the partition 2231, the protrusion 2220 slides in the groove 2230, after the beating member 224 beats the screen bucket 210, the second rotating member 223 stops rotating, and waits for the protrusion 2220 to abut against the partition 2231 again, so as to repeat the above actions, thus realizing the continuous beating of the beating member 224 against the screen bucket 210.

Illustratively, the first rotating member 222 has a cubic protrusion on its outer surface, the protrusion 2220 is a cylinder disposed on the right side of the cubic protrusion in the second direction (y), the second rotating member 223 has a recess 2230 and a partition 2231, the cylinder is capable of sliding freely in the recess 2230, the cylinder abuts the partition 2231 when the striking member 224 is lifted, and the cylinder is separated from the partition 2231 when the striking member 224 is dropped.

The shape of the convex portion 2220 is not limited, and may be designed into a shuttle shape, a spherical shape, or the like according to actual needs.

Referring to fig. 1, the supporting mechanism 3 can support the sieving mechanism 2, and the portion of the supporting mechanism 3 in contact with the sieving mechanism 2 is inclined, so that the sieving portion 21 of the sieving mechanism 2 can be inclined to the supporting mechanism 3.

In the embodiment of the present application, in order to ensure that the cement raw material impurities can be smoothly discharged from the screen bucket 210, a certain angle can be generated when the support structure 3 supports the screen material portion 21, and the impurities can be discharged by gravity.

Illustratively, the support structure 3 comprises a base provided with two high supports and two low supports

The number of the brackets is not limited, and 6, 8, etc. can be designed according to actual needs.

Referring to fig. 1, the striking member 224 is made of rubber.

In the embodiment of the application, the rubber material has good elasticity, can play a role in protecting the sieve barrel 210, and can reduce operation noise.

Illustratively, the rapping member 224 rapps an end of the screen basket 210 with a ball head.

It should be noted that the ball head is not limited, and may be designed into an olive shape according to actual needs.

Referring to fig. 3, the recess 2230 has an arc less than 2 pi.

In the embodiment of the application, the two ends of the arc-shaped groove are required to be provided with the partitions for being propped against by the convex parts, so that the groove cannot be designed into a complete circle, namely, the radian is smaller than 2 pi.

Illustratively, the groove arc is 1.8pi.

The radian is not limited to 1.8 pi, and may be designed to be 1.2 pi according to practical needs.

The foregoing is only the embodiments of the present utility model, and therefore, the patent scope of the utility model is not limited thereto, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or direct or indirect application in other related technical fields, should be carried within the protection scope of the present utility model.

Claims (9)

1. A cement raw meal screening mechanism, comprising: the device comprises a feeding mechanism, a screening mechanism and a supporting mechanism for installing the feeding mechanism and the screening mechanism;

The screening mechanism comprises a driving part, a screening part and a beating part;

The sieving part comprises a sieving barrel, the sieving barrel comprises barrel sieve holes, she Shaikong and fan blades, a plurality of barrel sieve holes are formed in the side wall of the sieving barrel, at least one fan blade is arranged on the inner wall of the sieving barrel, a plurality of She Shaikong are arranged on the fan blades, and the barrel sieve holes and the She Shaikong are used for passing through cement raw materials and filtering sundries;

The beating part comprises a beating piece, and the beating piece is driven by the driving part to beat the screen bucket;

The output port of the feeding mechanism is communicated with one end of the sieving barrel;

The driving part is used for driving the sieving barrel of the sieving part to rotate.

2. The cement raw meal screening mechanism according to claim 1, wherein the driving portion includes a transmission shaft and a first gear, the first gear being fixedly fitted to the transmission shaft, the first gear and the transmission shaft being output ends of the driving portion.

3. The cement raw meal screening mechanism according to claim 2, wherein the screening portion comprises a second gear fixedly sleeved on the outside of the screening barrel, the second gear being meshed with the first gear.

4. The cement raw meal screening mechanism according to claim 1, wherein the screening part comprises a plurality of sliding rails, the sliding rails are movably sleeved on the outer side of the screening barrel at intervals, and the outer surfaces of the sliding rails are fixedly connected with the supporting mechanism.

5. The cement raw meal screening mechanism according to claim 1, wherein said striking section includes a third gear, a rotary shaft, a first rotary member, a second rotary member and said striking member,

The driving part can drive the third gear to rotate,

One end of the rotating shaft is axially and fixedly connected with the third gear, the first rotating piece and the second rotating piece are axially and sequentially arranged at the other end of the rotating shaft, the first rotating piece is axially and fixedly connected with the rotating shaft, the second rotating piece is rotatably connected with the rotating shaft, and the beating piece is rotatably connected with the second rotating piece.

6. The cement raw meal screening mechanism according to claim 5, wherein the first rotating member includes a protrusion, an arc-shaped groove coaxial with the second rotating member is provided in a side end face of the second rotating member opposite to the first rotating member, a partition is formed in the middle of the groove, the protrusion is located in the groove, the protrusion can move in the groove, and the partition can limit a movement range of the protrusion.

7. The cement raw meal screening mechanism according to claim 1, wherein the supporting mechanism is capable of supporting the screening mechanism, and a portion of the supporting mechanism in contact with the screening mechanism is disposed obliquely so that a screening portion of the screening mechanism is disposed obliquely to the supporting mechanism.

8. The cement raw meal screening mechanism of claim 1, wherein the striking member is a rubber material.

9. The cement raw meal screening mechanism of claim 6, wherein the groove arc is less than 2 pi.