CN212975468U - Breaker cloth structure and breaker - Google Patents

Abstract

The utility model relates to a crushing equipment technical field discloses a breaker cloth structure and breaker, and wherein cloth structure includes first feed bin and second feed bin, and the open-top of first feed bin is used for corresponding the below that is located feed mechanism, and the open-bottom correspondence of first feed bin is located the open-top of second feed bin, and the bottom of second feed bin is used for meeting with the broken chamber entry of breaker, is connected with the baffle structure that is cyclic annular and downward sloping on the inner wall of first feed bin. The utility model provides a pair of breaker cloth structure and breaker sets up first feed bin and treats broken material and carry out the cloth before getting into broken chamber, realizes carrying out the evenly distributed of initiative to the material granule, sets up baffle structure inside first feed bin, and the feed flow that can change the material granule flows to effectively improving the feed homogeneity of different granule materials at broken intracavity.

Description

Breaker cloth structure and breaker

Technical Field

The utility model relates to a crushing equipment technical field especially relates to a breaker cloth structure and breaker.

Background

The crushing is a process of overcoming the cohesion among the material particles and changing large particles into small particles. According to different crushing principles, the crushing can be divided into mechanical crushing and non-mechanical crushing. The mechanical crushing comprises crushing modes such as extrusion, shearing, bending, stretching, impact and the like; non-mechanical fragmentation includes electromagnetic wave fragmentation, ultrasonic fragmentation, explosive fragmentation, hydroelectric fragmentation, and the like. The cone crusher is a typical device for crushing by applying a mechanical mode, and is widely applied to industries such as mines, metallurgy, building materials and the like.

The working mechanism of the cone crusher mainly comprises a movable cone, a fixed cone, an eccentric sleeve, a transmission mechanism and other parts, a quantitative compression ratio is applied to material particles in a crushing cavity by means of the reciprocating swing action of the movable cone, and the crushing action of the material follows the quantitative compression control of the stroke and the material layer thickness. The front end feed of cone crusher is generally through belt transport, and the material granule will produce spontaneous hierarchical chromatography effect in the belt transportation process of different transport flows, and the coarse grain produces the gathering with the thin granule respectively in the not co-altitude region on the bed of material, because of the different inertial force of large granule and tiny particle, easily takes place feed granularity segregation in cone crusher upper portion feed district, causes the inhomogeneous distribution of large granule and tiny particle in the hopper. The crushing force of the cone crusher depends on the compression strength and the compression ratio of a material layer in a crushing cavity, the crushing force difference is generated due to feeding segregation and uneven distribution of particle size, the stress characteristic of a movable cone is further deteriorated, the problems of eccentric wear of a lining plate, reduction of treatment capacity, uneven stress of a main shaft and the like are caused, and the performance index of equipment is reduced.

In chinese utility model patent CN201220692377.4, a cone crusher material separating disc is disclosed, which improves two separate parts of material separating disc and spindle top nut into an integrated whole. The utility model discloses an improved cone crusher feed divider is disclosed in chinese utility model patent CN201821543632.2, through set up cyclic annular retaining ring at the branch charging tray upper end edge, makes its performance cover the material as the material pad, alleviates spare part wearing and tearing. However, both of the above-mentioned structures focus on delaying the wear of parts and reducing the use cost, so that the segregation of the feedstock cannot be fundamentally avoided.

The feeding area of the existing crusher has the problems of granularity segregation and uneven distribution of material particles in a hopper.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a breaker cloth structure and breaker for there is the granularity segregation in the feed district of solving or partial current breaker of solving, and the material granule distributes inhomogeneous problem in the hopper.

The embodiment of the utility model provides a breaker cloth structure, including first feed bin and second feed bin, the open-top of first feed bin is used for corresponding the below that is located feed mechanism, the open-bottom correspondence of first feed bin is located the open-top of second feed bin, the bottom of second feed bin is used for meeting with the broken chamber entry of breaker, be connected with the baffle structure that is cyclic annular and downward sloping on the inner wall of first feed bin.

On the basis of the scheme, the baffle structure comprises a plurality of layers of baffles arranged from top to bottom, and the sizes of the middle openings of the plurality of layers of baffles are reduced from top to bottom in sequence.

On the basis of the scheme, the multiple layers of baffles are coaxially arranged.

On the basis of the scheme, the included angle between the baffle of any layer and the vertical direction is smaller than the residual angle of the stacking angle of the materials to be crushed.

On the basis of the scheme, the first storage bin can be rotatably arranged above the second storage bin.

On the basis of the scheme, the size of the bottom opening of the first storage bin is smaller than that of the top opening of the second storage bin.

On the basis of the scheme, the vertical distance between the bottom end of the first storage bin and the top end of the cover nut of the crusher is larger than 3 times of the size of the largest particles in the materials to be crushed.

On the basis of the scheme, the difference value between the diameter of the bottom opening of the first storage bin and the diameter of the top end of the cover nut of the crusher is larger than 2 times of the size of the largest particles in the material to be crushed.

On the basis of the scheme, the materials to be crushed in the second bin are in a full bin state.

The embodiment of the utility model provides a still provide a breaker, including above-mentioned breaker cloth structure.

The embodiment of the utility model provides a breaker cloth structure and breaker sets up first feed bin and treats that the broken material carries out the cloth before getting into crushing chamber, realizes carrying out active evenly distributed to the material granule, sets up baffle structure in first feed bin inside, can change the feeding flow direction of material granule, make the material get into the breaker with the flow direction that is close to vertical direction, thereby can avoid the material directly to get into the breaker with the angle of slope, effectively improve the feed homogeneity of different granule materials in crushing chamber; this cloth structure is with changing material particle flow direction as the access point, and simple structure operation is reliable, is favorable to improving the even cloth level of breaker pan feeding mouth.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an overall schematic diagram of a crusher material distribution structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the first storage bin in the embodiment of the present invention.

Description of reference numerals:

wherein, 1, a feeding belt; 2. a drum; 3. materials to be crushed; 4. a first baffle plate; 5. a first storage bin; 6. a second baffle; 7. a second storage bin; 8. a first storage area; 9. a second storage area; 10. a third storage area; 11. and (7) covering the nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the embodiment of the utility model provides a breaker cloth structure, this breaker cloth structure includes first feed bin 5 and second feed bin 7, the open-top of first feed bin 5 is used for corresponding below that is located feed mechanism, the open-bottom of first feed bin 5 corresponds the open-top that is located second feed bin 7, the bottom of second feed bin 7 is used for meeting with the broken chamber entry of breaker, be connected with the baffle structure that is cyclic annular and downward sloping on the inner wall of first feed bin 5.

The material 3 to be crushed is conveyed by the feeding mechanism, distributed by the first bin 5 and the second bin 7 and then enters the crushing cavity of the crusher. The baffle structure is wholly conical and the bottom opening is small in size. The material 3 to be crushed is fed into the first silo 5 by the feeding mechanism, often at an inclined angle into the first silo 5, instead of falling completely in the vertical direction. The material will fall on the baffle structure when entering the first silo 5, will be impingement mixed and change flow direction. The first silo 5 can also play a role in storing materials stably in advance, which is beneficial to maintaining a stable feeding direction in the second silo 7. The material will enter the second silo 7 in a flow direction close to the vertical direction and thus into the crushing chamber. Compare current material not through first feed bin 5 and baffle structure with certain inclination directly get into broken chamber, the cloth structure of this embodiment can make the material evenly get into broken chamber in, improve the feed homogeneity of material in broken chamber.

According to the material distribution structure of the crusher, the first material bin 5 is arranged to distribute materials 3 to be crushed before the materials enter the crushing cavity, active uniform distribution of material particles is achieved, the baffle structure is arranged inside the first material bin 5, the feeding flow direction of the material particles can be changed, and the first material bin 5 also plays a role of storing materials in advance, so that the materials can be prevented from directly entering the crusher at an inclined angle, and the feeding uniformity of different particle materials in the crushing cavity is effectively improved; this cloth structure is with changing material particle flow direction as the access point, and simple structure operation is reliable, is favorable to improving the even cloth level of breaker pan feeding mouth.

On the basis of the above embodiment, further, with reference to fig. 2, the baffle structure includes multiple layers of baffles arranged from top to bottom. And the size of the middle opening of the multilayer baffle plate is reduced from top to bottom. The material flow direction can be gradually changed so that the material flow direction flowing out of the first silo 5 approaches the vertical direction.

Specifically, referring to fig. 2, the baffle structure may include a first baffle 4 located above and a second baffle 6 located below, and the second baffle 6 may be disposed at a bottom end of the first bin 5. I.e. the bottom opening of the second apron 6 is the bottom opening of the first silo 5. The length of the second baffle 6 may be longer than the first baffle 4 such that the middle opening diameter Φ of the second baffle 6₂Smaller than the diameter phi of the central opening of the first baffle 4₁. The first baffle 4 can rebound materials; the second baffle 6 is covered by the material to play a role in storing the material; the change of the feeding direction in the second storage bin 7 is realized mainly by the fact that the upper hopper stores materials in advance and stably.

On the basis of the above embodiment, further, the multiple layers of baffles are coaxially arranged. Is favorable for realizing the uniform distribution of the materials.

On the basis of the above embodiment, further, the included angle between the baffle of any layer and the vertical direction is smaller than the complementary angle of the stacking angle of the materials 3 to be crushed. The stacking angle of the material 3 to be crushed is the inherent physical property of the material 3 to be crushed, namely the natural angle of repose of the material 3 to be crushed when stacked, and can be obtained through experiments. The included angle between the baffle and the vertical direction is smaller than the complementary angle of the stacking angle of the material 3 to be crushed, namely, the acute angle formed by the baffle and the vertical direction is smaller than the complementary angle of the stacking angle of the material 3 to be crushed. This setting is in order to guarantee that the baffle top material can fall smoothly and flow out first feed bin 5, avoids the local long-pending material in baffle top.

Specifically, referring to fig. 2, when the first bin 5 is provided with the first baffle 4 and the second baffle 6, an included angle θ between the first baffle 4 and the vertical direction₁And the angle theta between the second baffle 6 and the vertical direction₂Respectively smaller than the complementary angle of the stacking angle of the materials.

The first silo 5 is rotatably arranged above the second silo 7. Because the part of the material on the feeding mechanism falling into the first silo 5 is generally fixed, i.e. the part falling onto the uppermost baffle is generally fixed. Therefore, in order to prevent the local wear of the uppermost baffle, the position of the uppermost baffle initially receiving the material can be changed by rotating the first bin 5 to compensate for the wear of the uppermost baffle.

Specifically, first feed bin 5 accessible support is fixed in second feed bin 7 top, and the accessible rotates the rotation of support realization first feed bin 5.

On the basis of the above embodiment, further, the bottom opening size of the first silo 5 is smaller than the top opening size of the second silo 7. So as to ensure that the material can smoothly fall into the second storage bin 7 and prevent the material from spilling.

On the basis of the above embodiments, further, the crusher cloth structure in the present embodiment is used in a cone crusher. The second bunker 7 can be a hopper of the cone crusher. The cover nut 11 at the top of the moving cone of the cone crusher is positioned in the middle of the second storage bin 7. The vertical distance between the bottom end of the first silo 5 and the top end of the cover nut 11 of the crusher is more than 3 times the size of the largest particles in the material 3 to be crushed.

The difference between the diameter of the bottom opening of the first silo 5 and the diameter of the top end of the cover nut 11 of the crusher is more than 2 times of the size of the largest particles in the material 3 to be crushed. So as to ensure that the material can smoothly and continuously fall from the first bin 5 to the second bin 7 to avoid blockage.

On the basis of the above embodiment, further, the material 3 to be crushed inside the second bin 7 is in a full bin state. The crushing cavity is beneficial to realizing the crushing of the material layer, the crushing between particles is strengthened, the crushing efficiency is improved, and the abrasion of the lining plate is reduced.

On the basis of the above embodiment, further, the feeding mechanism includes a belt conveyor.

On the basis of the above embodiments, further, the present embodiment provides a crusher, which includes the crusher cloth structure provided in any of the above embodiments.

On the basis of the above embodiment, further, the present embodiment provides a crusher material distribution structure, particularly for use in a cone crusher, the material distribution structure includes a first bin 5 and a second bin 7, the first bin 5 is located directly above the second bin 7 and a cover nut 11, and receives material particles conveyed from a drum 2 and a feeding belt 1; the cover nut 11 is positioned at the right center of the second bin 7, and the second bin 7 is usually used as a hopper of the equipment; the diameter of the outlet of the first storage bin 5 is smaller than that of the inlet of the second storage bin 7; first feed bin 5 is inside to set up first baffle 4 and second baffle 6, and first baffle 4 is located second baffle 6 top and keeps coaxial, and second baffle 6 is located the bottom of first feed bin 5. First baffle 4 and second baffle 6 divide into the triplex with first feed bin 5 and the 7 inner space of second feed bin, are located the first storage area 8 of being located first baffle 4 top, are located between first baffle 4 and the second baffle 6 to be second storage area 9, are located the second baffle 6 below and be third storage area 10 in the second feed bin 7 promptly.

The opening diameter of the first baffle 4 is larger than that of the second baffle 6; the included angle between the first baffle 4 and the second baffle 6 in the vertical direction is smaller than the residual angle of the material accumulation angle, so that local material accumulation is prevented; the distance between the lower end of the second baffle 6 and the upper end of the cover nut 11 is larger than 3 times of the maximum feeding particle size, and the difference between the diameter of the lower end opening of the second baffle 6 and the diameter of the upper end of the cover nut 11 is larger than 2 times of the maximum feeding particle size, so that the material particles can smoothly and continuously fall from the second storage area 9 to the third storage area 10, and blockage is avoided.

In operation, material particles first fall onto the first baffle 4 in the first storage area 8, are deflected by rebound to mix further in the second storage area 9 and subsequently fall into the third storage area 10. Preferably, the first bin 5 can rotate relative to the second bin 7 by an angle to compensate for the wear of the first baffle 4; furthermore, the length distance of the first baffle 4 can be correspondingly adjusted according to the feeding speed and the flow of the material particle flow, so that the material particles are fully contacted with the first baffle 4, and the uniform mixing of the materials is realized.

Preferably, the feeding speed is adjusted to keep the second storage area 9 in a half-full state during working, and at the moment, the third storage area 10 keeps in a full-extrusion feeding state during working, so that the material layer crushing in the crushing cavity is facilitated, the crushing between particles is strengthened, the crushing efficiency is improved, and the abrasion of the lining plate is reduced.

The material particles are initially mixed in the first storage area 8, the flowing direction of the material particles is changed into a direction close to the vertical direction after the material particles enter the second storage area 9, and stable conditions are provided for finishing uniform distribution in the transition process of entering the third storage area 10. Meanwhile, the vertical material column formed by the first material bin 5 is beneficial to generating certain initial material pressure, and favorable conditions are created for increasing the volume filling rate of the crushing cavity. This embodiment is with changing material particle flow direction as the access point, and simple structure operation is reliable, has improved the even cloth level of cone crusher pan feeding mouth department.

The aim at of this embodiment provides a simple structure, need not external motor drive's two feed bin cloth structures of cone crusher, through the feeding flow direction that changes the material, with the help of the stirring effect of the female 11 of the movable cone lid between two feed bins, effectively improves the feed homogeneity of different granule materials in broken intracavity simultaneously.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a breaker cloth structure, its characterized in that includes first feed bin and second feed bin, the open-top of first feed bin is used for corresponding the below that is located feed mechanism, the open-bottom correspondence of first feed bin is located the open-top of second feed bin, the bottom of second feed bin is used for meeting with the broken chamber entry of breaker, be connected with the baffle structure that is cyclic annular and downward sloping on the inner wall of first feed bin.

2. The crusher cloth structure of claim 1 wherein the baffle structure comprises a plurality of layers of baffles arranged from top to bottom, and the intermediate openings of the plurality of layers of baffles decrease in size from top to bottom.

3. The crusher material structure of claim 2, characterized in that a plurality of layers of baffles are coaxially arranged.

4. The crusher material distribution structure of claim 2 wherein the included angle of the baffles of any one layer with the vertical direction is less than the complement of the stacking angle of the material to be crushed.

5. The crusher distributing structure of any one of claims 1 to 4, wherein the first bin is rotatably disposed above the second bin.

6. The crusher cloth structure of any one of claims 1 to 4, wherein the size of the bottom opening of the first silo is smaller than the size of the top opening of the second silo.

7. The crusher distributing structure of any one of claims 1 to 4, wherein the vertical distance between the bottom end of the first silo and the top end of the cover nut of the crusher is more than 3 times the size of the largest particles in the material to be crushed.

8. The crusher cloth structure of any one of claims 1 to 4, wherein the difference between the diameter of the bottom opening of the first silo and the diameter of the top end of the cover nut of the crusher is more than 2 times the size of the largest particles in the material to be crushed.

9. The crusher distributing structure of any one of claims 1 to 4, wherein the material to be crushed in the second bin is in a full bin state.

10. A crusher comprising a crusher cloth structure according to any of claims 1 to 9.

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