CN217893885U

CN217893885U - Rotary blanking machine

Info

Publication number: CN217893885U
Application number: CN202222222897.5U
Authority: CN
Inventors: 张忠美; 江春晓; 杨红旭; 郭荣勋; 孔攀红
Original assignee: Henan Huijin Intelligent Equipment Co ltd
Current assignee: Henan Huijin Intelligent Equipment Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-11-25
Anticipated expiration: 2032-08-24

Abstract

The utility model provides a rotary blanking machine, which comprises at least one rotary bin, a fixed bin rotationally connected with the rotary bin and a scraper blade assembly, wherein the rotary bin is driven to rotate by a rotary driving mechanism; at least one group of the scraper components and the fixed bin or the scraper components and the rotary bin generate relative rotary motion; and a protective base plate is arranged in a gap at the joint of the inner wall of the rotary bin and the inner wall of the fixed bin and covers the gap at the joint. The utility model discloses set up the protection backing plate, when scraper blade subassembly clearance inner wall material, can not fall down the material gyration storehouse inner wall with in the junction clearance of fixed storehouse inner wall, can guarantee the smooth and easy rotation of gyration storehouse.

Description

Rotary blanking machine

Technical Field

The utility model belongs to the technical field of the material is carried, concretely relates to rotatory blanking machine.

Background

Materials and the like of the existing cement kiln are taken out from a storage bin and then enter a buffering bin, a discharging bin, a belt conveyor and other mechanisms through pipelines to be conveyed to required equipment. After the blanking pipeline and the blanking bin work for a period of time, materials can be stacked in the blanking port and the buffer bin above the blanking port. And some raw materials are greatly influenced by climate, such as sandstone, iron ore, coal gangue, clay, desulfurized gypsum and the like. In rainy or humid weather, the materials have high moisture and high viscosity, and are often accumulated and hardened on the wall of the bin, so that the phenomena of skinning, arching and blocking occur. When the current cement bin has a material blocking phenomenon, a field worker usually uses a tool to smash and dredge the material, or an air cannon is arranged on the outer side of the bin wall. The labor intensity of manual material tamping is high, the efficiency is low, and the blockage removing effect of the air cannon is poor.

Patent CN216944504U discloses a rotatory broken device that encircles of conical feed bin of cement, including sectional type feed bin subassembly, rotating assembly and scraper blade subassembly, the sectional type feed bin subassembly connects feed bin, feed bin one, gyration storehouse and feed bin two including connecing feed bin, feed bin one, gyration storehouse and feed bin two to communicate in proper order, and the scraper blade unit mount is inside the gyration storehouse, and the outer wall and the rotating assembly in gyration storehouse, rotating assembly drive gyration storehouse are rotated. Relative motion is generated between the rotary bin and the first bin and between the rotary bin and the second bin, and then a scraper on the inner wall is utilized to break the arch and clear the blockage; the upper and lower groups of scrapers rotate continuously to break the arch and clear the blockage.

Relative motion exists between the rotary bin and the first storage bin and between the rotary bin and the second storage bin, the inner wall of the rotary bin is provided with a gap, and when the scraper is used for cleaning up the blockage, materials can be pressed in the gap, so that the rotary bin is not smooth in rotation, and even the rotary bin is damaged.

Disclosure of Invention

The utility model provides a rotatory blanking machine.

The purpose of the utility model is realized with the following mode: a rotary blanking machine comprises at least one rotary bin, a fixed bin and a scraper component, wherein the fixed bin is rotationally connected with the rotary bin; at least one group of the scraper components and the fixed bin or the scraper components and the rotary bin generate relative rotary motion; and a protective base plate is arranged in a gap at the joint of the inner wall of the rotary bin and the inner wall of the fixed bin and covers the gap at the joint.

The protective backing plate is annular, one end of the protective backing plate is fixed on the inner wall of any one of the rotary bins of the fixed bin, and the other end of the protective backing plate is not in contact with or in clearance fit with the inner wall of the other one of the fixed bin or the rotary bin.

The protection backing plate is composed of a plurality of arc-shaped protection backing plates.

The rotary blanking machine is provided with a first fixed bin, a lower rotary bin, a second fixed bin, an upper rotary bin and a third fixed bin from bottom to top; the outer portion of the rotary blanking machine is provided with a frame along the circumference, the first fixed bin, the second fixed bin and the third fixed bin are fixed on the frame outside the rotary blanking machine, and the frame is provided with two driving mechanisms which respectively drive the upper rotary bin and the lower rotary bin to rotate.

The scraper blade subassembly includes that one end sets up under the rotary bin lower part, the first scraper blade in the first fixed storehouse is stretched downwards to the other end, and one end sets up rotary bin upper portion under, the second scraper blade in the fixed storehouse of second is stretched upwards to the other end, and both ends set up the third scraper blade in first fixed storehouse and the fixed storehouse of second respectively, and one end sets up in last rotary bin lower part, the fourth scraper blade in the fixed storehouse of second is stretched downwards to the other end, and one end sets up on last rotary bin upper portion, the fifth scraper blade in the fixed storehouse of third is stretched upwards to the other end.

Compared with the prior art, the utility model discloses a rotatory blanking structure of doublestage, the multistage storehouse body can relative motion, and storehouse internal portion installs the clear scraper blade subassembly of stifled usefulness, and the material is all can form relative motion at storehouse internal portion top-down, the jam of this storehouse internal portion of clearance that can be thorough, the circumstances such as wall that glue, and the unloading of guaranteeing the material is smooth and easy. The protective backing plate is arranged, when the scraper component cleans materials on the inner wall, the materials cannot be pressed down in the gap of the joint of the inner wall of the rotary bin and the inner wall of the fixed bin, and smooth rotation of the rotary bin can be guaranteed.

Drawings

Figure 1 is a rotary feeder as well as a surge bin and a belt conveyor. Fig. 2 is a cross-sectional view of the surge bin and rotary blanking machine. Fig. 3 is another side view of fig. 2. Fig. 4 is an enlarged view of the rotary blanking machine (with the shroud outside the gear hidden). Fig. 5 is a schematic view of a surge bin. Fig. 6 is a schematic view of a doctor blade. Fig. 7 is a schematic view of a single stage rotary blanking machine. Fig. 8 is a schematic view of a protective pad. Fig. 9 is a schematic view of the unit shaft and bottom scraper. Fig. 10 is an enlarged schematic view of a shaft connecting portion of the unit.

Wherein, 1 is a buffer bin, 2 is a first fixed bin, 3 is a lower rotary bin, 4 is a second fixed bin, 5 is an upper rotary bin, 6 is a third fixed bin, 7 is a rotary driving mechanism, 8 is a scraper component, 9 is a scraper component, and 10 is a frame; 11 is a protective backing plate, 12 is a belt conveyor, 70 is a pinion, 71 is a gearwheel, 72 is a motor reducer, 81 is a first scraper, 82 is a second scraper, 83 is a third scraper, 84 is a fourth scraper, 85 is a fifth scraper, 90 is a mounting box, 91 is a unit shaft, 92 is an intermediate scraper, 93 is a bottom scraper, 94 is a connecting sleeve, 95 is a limiting sleeve, and 96 is a linear driving mechanism.

Detailed Description

In the present invention, unless otherwise explicitly specified and limited, technical terms used in the present application shall have the ordinary meaning as understood by those skilled in the art to which the present invention pertains. The terms "connected", "fixed", "arranged" and the like are to be understood in a broad sense, and may be fixedly connected, detachably connected or integrated; can be directly connected or indirectly connected through an intermediate medium; either mechanically or electrically. Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features, or indirectly contacting the first and second features through intervening media. Also, a first feature "on" or "over" or "above" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under" or "beneath" a second feature may be directly under or obliquely under the first feature or may simply mean that the first feature is at a lesser level than the second feature. Relational terms such as first, second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Terms used in the description such as "center", "transverse", "longitudinal", "length", "width", "thickness", "height", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention and for simplification of the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation.

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments. As shown in fig. 1-10, a rotary blanking machine comprises at least one rotary bin, a fixed bin rotationally connected with the rotary bin, and a scraper component 8, wherein the rotary bin is driven to rotate by a rotary driving mechanism 7; at least one group of the scraper components and the fixed bin or the scraper components and the rotary bin generate relative rotary motion. And a protective backing plate 11 is arranged in a gap at the joint of the inner wall of the rotary bin and the inner wall of the fixed bin, and the protective backing plate 11 covers the gap at the joint. A certain gap also exists between two adjacent surfaces between the scraper component 8 and the protective backing plate 11, and the minimum distance is determined according to actual conditions and is not interfered. The scraper component 8 and the bin body of the rotary blanking machine move relatively to forcedly clean the materials adhered on the inner wall. After the protective backing plate 11 is arranged, when the scraper component 8 cleans materials on the inner wall, the materials cannot be pressed down the inner wall of the rotary bin and the gap of the joint of the inner wall of the fixed bin, and smooth rotation of the rotary bin can be guaranteed.

The protective backing plate 11 is annular, one end of the protective backing plate 11 is fixed on the inner wall of any one of the fixed bin and the rotating bin, and the other end of the protective backing plate 11 is not in contact with or in clearance fit with the inner wall of the other one of the fixed bin and the rotating bin. Wherein one end of the protective backing plate 11, which is not contacted with the fixed bin or the rotary bin or is in clearance fit with the fixed bin or the rotary bin, can be provided with a chamfer.

The protective backing plate 11 is composed of a plurality of arc-shaped protective backing plates. The annular protective backing plates 11 are welded in sections, so that the operation difficulty can be reduced.

The rotary blanking machine is provided with a first fixed bin 2, a lower rotary bin 3, a second fixed bin 4, an upper rotary bin 5 and a third fixed bin 6 from bottom to top; the outer portion of the rotary blanking machine is provided with a frame 10 along the circumference, the first fixed bin 2, the second fixed bin 4 and the third fixed bin 6 are fixed on the frame 10 outside the rotary blanking machine, and the frame 10 is provided with two rotary driving mechanisms 7 which respectively drive the upper rotary bin 5 and the lower rotary bin 3 to rotate. The two slewing drive mechanisms 7 at the upper and lower positions respectively comprise a motor reducer, and a pinion 70 is arranged on an output shaft of the motor reducer 72. The outer circumferences of the upper rotary bin 5 and the lower rotary bin 3 are respectively fixed with respective rotary supports, the outer circumferences of the rotary supports are provided with external teeth to form a large gear 71, and the large gear 71 and the small gear 70 are protected by shields. Automatic control mechanisms such as an intelligent electric control cabinet can be arranged to control the opening of the motor reducer 72, which belong to the prior art and are not described in detail.

Scraper blade subassembly 8 includes that one end sets up under 3 lower parts of gyration storehouse, the other end stretches down first scraper blade 81 in the first fixed storehouse 2, and one end sets up under 3 upper portions of gyration storehouse, the other end upwards stretches the second scraper blade 82 in the fixed storehouse 4 of second, and both ends set up the third scraper blade 83 at first fixed storehouse 2 and the fixed storehouse 4 of second respectively, and one end sets up in last gyration storehouse 5 lower part, the other end downwards stretches the fourth scraper blade 84 in the fixed storehouse 4 of second, and one end sets up on last gyration storehouse 5 upper portion, the other end upwards stretches the fifth scraper blade 85 in the fixed storehouse 6 of third. The shape and structure of the scraper can adopt the prior art and are not described in detail. A belt conveyor 12 can be arranged below the first fixed bin 2. The upper part of the third fixed bin 6 is connected with a buffer bin 1 with a larger cross section area, and the buffer bin 1 can be in a non-revolving body shape. The rotary blanking machine is arranged between the buffer bin 1 and the belt conveyor 12, and the throat part of the whole bin, which is most easily blocked, is arranged between the buffer bin 1 and the belt conveyor 12, so that the rotary blanking machine is arranged at the key part which is easily subjected to skinning and blocking. The utility model discloses in, including two sections rotary warehouse, the multistage storehouse body can relative motion, and storehouse internal portion installs the scraper blade subassembly of clear stifled usefulness, and the material can all form relative motion at storehouse internal portion top-down, the jam of this storehouse internal portion of clearance that can be thorough, glue the condition such as wall, guarantee that the unloading of material is smooth and easy. The utility model discloses rotatory unloader simple structure, the operation is reliable, can solve the knot of this storehouse body position material and encircle the jam problem at the easy rotatory unloader of position installation that blocks up of feed bin, can improve the mobile state of whole storehouse body material effectively moreover, and then alleviate the material wall built-up problem on storehouse body upper portion.

In another embodiment of the rotary blanking machine in fig. 7, there is only one rotary silo, and a protective backing plate 11 is also provided.

In the specific implementation: the rotary blanking machine is only used as a communication channel when flat, when materials in a bin are blocked, a gravity sensor on the belt conveyor 12 sends a material breaking signal, the controller receives the signal, an upper rotary driving mechanism 7 and a lower rotary driving mechanism 7 of the rotary blanking machine start to work, a motor speed reducer 72 drives a pinion 70 to drive a bull gear 71 to rotate, so that an upper rotary bin 5 and a lower rotary bin 3 are driven to rotate to drive a scraper component 8 to rotate, arch breaking is carried out on arch forming parts of upper and lower bin walls, the stress point of arch formation of the materials is broken, the basis that the arch forming parts form an arch, the materials are driven to rotate and generate a downward thrust to restore the flowing state of the materials in the bin from a central flow to an integral flow, and the blocking problem in the discharging process of the particles in the conical bin is fundamentally solved. Of course, if an automatic control method is not adopted, the upper rotary bin 5 and the lower rotary bin 3 can be driven to rotate at fixed time by cutting off time to realize regular cleaning work.

The rotary blanking machine is cylindrical or conical in shape, and the structure for cleaning the inner wall cannot be used for a non-conical bin body, such as the buffer bin 1 in the figure. The utility model provides a storehouse internal wall clearance mechanism in addition, as shown in fig. 1-3 and 5, including

surge bin

1, 1 inner wall surface of surge bin sets up a plurality of scraper subassemblies 9 along circumference, scraper subassembly 9 is including scraping the knife axle, scrape epaxial along self length direction and set up at least one scraper, the scraper is driven by linear driving mechanism 96 and is removed along 1 inner wall direction of height of surge bin. The scraper moves along the height direction of the inner wall of the buffer bin 1, so that the materials on the inner wall of the buffer bin 1 are scraped off, or the inner wall of the blanking device is further cleaned. The utility model discloses a structure can be applied to the cross section and be circular or non-circular surge bin 1 and lower glassware.

The outside of the upper end of the surge bin 1 is provided with a linear driving mechanism 96, and the upper end of the scraper shaft penetrates through the shell of the surge bin 1 and is connected with the movable end of the linear driving mechanism 96. Or the lower end of the moving end of the linear driving mechanism 96 passes through the shell of the buffer bin 1 to be connected with the output shaft of the driving motor. The linear driving mechanism 96 can be arranged in the installation box body 90, the installation box body 90 is fixed on the surge bin 1, and the output end of the linear driving mechanism 96 can be hinged with the scraper shaft.

The scraper shaft comprises a plurality of unit shafts 91 which are detachably connected together, and at least one scraper is arranged on each unit shaft 91. The scraper can be used for cleaning materials accumulated in the bin body. The existing scraper is arranged on a scraper shaft, and the length of the scraper shaft is fixed. The same scraper shaft can only adapt to the bin body with one size, and the utilization rate is lower. The utility model discloses a modular scraper can be according to actual need's length, on-the-spot equipment scraper subassembly.

The ends of two adjacent unit shafts 91 connected are respectively arranged in the same connecting sleeve 94, and the connecting sleeve 94 and the unit shafts 91 are detachably connected.

The scraper blades include an intermediate scraper blade 92 and a bottom scraper blade 93, the intermediate scraper blade 92 is disposed on the outer surface of the connecting sleeve 94, the bottom scraper blade 93 is fixedly disposed at the bottom of the lowermost unit shaft 91, and the cross section of the bottom scraper blade 93 is gradually increased from the top to the bottom along the length direction of the scraper shaft. The connecting sleeve 94 and the intermediate blade 92 may be fixed by welding or by other means. The bottom scraper 93 may have a tapered shape as a whole, a large lower surface, and a triangular longitudinal cross-section, so that the scraped material can be pushed away. The upper and lower thicknesses of the intermediate blade 92 on the blade shaft may be substantially the same, and the edge portions may be sharper than the intermediate portion, and may be shaped as desired, such as polygonal, etc. The bottom scraper can scrape the inner wall and can push the scraped materials to move more easily.

The connecting sleeve 94 and the unit shaft 91 are fixed through bolts or pin shafts; the scraper is fixed to the connecting sleeve 94. Other common detachable connection means, such as a coupling, etc., may be used between the connection sleeve 94 and the unit shaft 91. The doctor blade may also be fixed directly to the unit shaft 91.

The fixed at least one right that sets up of length direction along scraping the knife axle of 1 inner wall of surge bin the scraper carries out spacing stop sleeve 95, it passes to scrape the knife axle stop sleeve 95. Limiting sleeve 95 may be disposed between two adjacent scrapers to limit the position. When the linear drive mechanism 96 and the scraper shaft are separated, the scraper shaft and the scraper do not directly fall down, but are hung on the limit sleeve 95.

The lower end of the surge bin 1 is connected with a rotary blanking machine, which has already been described above and will not be described again.

In the specific implementation: when the materials in the buffer bin 1 need to be cleaned, the linear driving mechanism 96 is started, the linear driving mechanism 96 drives the scraper shaft to move up and down, and the scraper on the scraper shaft pushes the materials up and down to be cleaned. The linear drive mechanism 96 is preferably a hydraulic ram drive.

The features of the above-described embodiments may be arbitrarily combined, and the combination of the features should be considered as being within the scope of the present description, unless there is any contradiction between the combinations. Without departing from the overall concept of the present invention, the technical solution of the present invention and equivalent substitutions or changes, and several changes and improvements made should also be regarded as the protection scope of the present invention.

Claims

1. A rotary blanking machine comprises at least one rotary bin, a fixed bin and a scraper component, wherein the fixed bin is rotationally connected with the rotary bin; at least one group of the scraper components and the fixed bin or the scraper components and the rotary bin generate relative rotary motion; the method is characterized in that: and a protective base plate is arranged in a gap at the joint of the inner wall of the rotary bin and the inner wall of the fixed bin and covers the gap at the joint.

2. The rotary blanking machine of claim 1, wherein: the protective backing plate is annular, one end of the protective backing plate is fixed on the inner wall of any one of the rotary bins of the fixed bin, and the other end of the protective backing plate is not in contact with or in clearance fit with the inner wall of the other one of the fixed bin or the rotary bin.

3. A rotary blanking machine according to claim 2, characterized in that: the protection backing plate is composed of a plurality of arc-shaped protection backing plates.

4. A rotary blanking machine according to any one of claims 1 to 3, wherein: the rotary blanking machine is provided with a first fixed bin, a lower rotary bin, a second fixed bin, an upper rotary bin and a third fixed bin from bottom to top; the outer portion of the rotary blanking machine is provided with a frame along the circumference, the first fixed bin, the second fixed bin and the third fixed bin are fixed on the frame outside the rotary blanking machine, and the frame is provided with two driving mechanisms which respectively drive the upper rotary bin and the lower rotary bin to rotate.

5. The rotary blanking machine of claim 4, wherein: the scraper blade subassembly includes that one end sets up under the rotary bin lower part, the first scraper blade in the first fixed storehouse is stretched downwards to the other end, and one end sets up rotary bin upper portion under, the second scraper blade in the fixed storehouse of second is stretched upwards to the other end, and both ends set up the third scraper blade in first fixed storehouse and the fixed storehouse of second respectively, and one end sets up in last rotary bin lower part, the fourth scraper blade in the fixed storehouse of second is stretched downwards to the other end, and one end sets up on last rotary bin upper portion, the fifth scraper blade in the fixed storehouse of third is stretched upwards to the other end.