CN113184499B - Belt conveyor with shakeout recovery function and used for quartz sand purification - Google Patents
Belt conveyor with shakeout recovery function and used for quartz sand purification Download PDFInfo
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- CN113184499B CN113184499B CN202110594272.9A CN202110594272A CN113184499B CN 113184499 B CN113184499 B CN 113184499B CN 202110594272 A CN202110594272 A CN 202110594272A CN 113184499 B CN113184499 B CN 113184499B
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- quartz sand
- receiving plate
- deflector rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
- B65G47/20—Arrangements or applications of hoppers or chutes the hoppers or chutes being movable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/18—Cleaning devices comprising brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/26—Cleaning devices for gathering residue after cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigging Conveyors (AREA)
Abstract
The invention discloses a belt conveyor with a shakeout recovery function for quartz sand purification; belongs to the technical field of quartz sand production; the automatic sand collecting device is characterized by comprising a rack and a conveying belt, wherein the rack is obliquely arranged, the conveying belt is arranged on the rack, a first carrier roller and a second carrier roller which are matched with the conveying belt are arranged at the near end part of the high end of the rack at intervals, the rack is connected with a sand collecting plate which is matched with the first carrier roller and the second carrier roller through a rebound vibration mechanism, the sand collecting plate is obliquely arranged, the lower end of the sand collecting plate is connected with a quartz sand recovering conveying pipe, the quartz sand recovering conveying pipe is obliquely arranged, and the free end of the quartz sand recovering conveying pipe is bent from the lower surface of the conveying belt and wound to the upper side of the conveying surface of the near end part of the lower end of the conveying belt; the invention aims to provide the belt conveyor for quartz sand purification, which has compact structure and good use effect and has the shakeout recovery function; the sand collecting and recycling device is used for collecting and recycling shakeout in the quartz sand conveying process.
Description
Technical Field
The invention relates to a belt conveyor for quartz sand purification, in particular to a belt conveyor with a shakeout recovery function for quartz sand purification.
Background
Quartz sand is an important industrial mineral raw material and a non-chemical hazardous article, and is widely used in the industries of glass, casting, ceramics and refractory materials, ferrosilicon smelting, metallurgical flux, metallurgy, building, chemical engineering, plastics, rubber, grinding materials and the like. The unique physical and chemical properties of the purified quartz sand make the quartz sand play a very important role in aviation, aerospace, electronics, machinery and the current rapidly-developed IT industry, and particularly the internal molecular chain structure, crystal shape and lattice change rule of the quartz sand make the quartz sand have high temperature resistance, small thermal expansion coefficient, high insulation, corrosion resistance, piezoelectric effect, resonance effect and unique optical properties of the quartz sand play more and more important roles in a plurality of high-tech products.
The quartz sand purification process mainly comprises the following steps: acid washing purification, dehydration, drying, screening and color separation. In the purification process of the quartz sand, the material storage tanks used in the steps are as high as 15-20 meters, and the diameter is 2-3 meters, so a belt conveyor is usually adopted to convey the quartz sand. However, in the using process, it is found that after the belt conveyor discharges materials, the surface of the conveyor belt is contaminated by a small amount of fine quartz sand, and since the high end of the belt conveyor is located at a higher position, when the conveyor belt returns, the fine quartz sand contaminated on the surface of the conveyor belt falls from a high position, which pollutes the surrounding environment and affects the health of workers.
Disclosure of Invention
The invention aims to provide a belt conveyor for quartz sand purification, which has a compact structure and a good using effect and has a shakeout sand recovery function, aiming at overcoming the defects of the prior art.
The technical scheme of the invention is realized as follows: a belt conveyor with a shakeout recovery function for quartz sand purification comprises an obliquely arranged frame and a conveying belt arranged on the frame, wherein a first carrier roller and a second carrier roller which are matched with the conveying belt are arranged at intervals at the near end part of the high end of the frame, the frame is connected with a sand receiving plate matched with the first carrier roller and the second carrier roller through a rebound vibration mechanism, the sand receiving plate is obliquely arranged, the low end of the sand receiving plate is connected with a quartz sand recovery conveying pipe, the quartz sand recovery conveying pipe is obliquely arranged on the frame, and the free end of the quartz sand recovery conveying pipe is bent from the lower surface of the conveying belt to the upper side of a conveying surface of the near end part of the lower end of the conveying belt;
an auxiliary cleaning mechanism matched with the conveying belt is arranged on the frame between the first carrier roller and the second carrier roller;
and a rotary toggle mechanism is arranged on the rack on the upper side of the sand receiving plate, and the rotary toggle mechanism is matched with the rebound vibration mechanism to vibrate the sand receiving plate.
In the belt conveyor with the shakeout recovery function for quartz sand purification, a gathering hopper is connected between the sand receiving plate and the quartz sand recovery conveying pipe, the gathering hopper is obliquely arranged, and the angle of inclination alpha of the gathering hopper is 60-75 degrees.
In the belt conveyor with the shakeout recovery function for quartz sand purification, the inclination angle beta of the sand receiving plate is 12-15 degrees.
In the belt conveyor with the shakeout recovery function for quartz sand purification, the inclination angle gamma of the quartz sand recovery conveying pipe is 18-22 degrees; the upper part of the quartz sand recovery conveying pipe is connected with the rack through a rebound vibration mechanism.
In the belt conveyor with the shakeout recovery function for quartz sand purification, the auxiliary cleaning mechanism comprises a mounting frame arranged along the length direction of the conveyor belt, a plurality of cleaning brushes which are rotatably connected to the mounting frame through rotating shafts and are adaptive to the conveyor belt, a plurality of shaft sleeves arranged on the mounting frame at intervals, fixing rods which are arranged on the frame and movably penetrate through the shaft sleeves, limiting plates arranged at the free ends of the fixing rods and compression springs sleeved on the fixing rods between the limiting plates and the shaft sleeves;
the cleaning brush is contacted with the surface of the conveying belt attached with the fine quartz sand under the elastic force of the pressing spring.
In the belt conveyor with the shakeout recovery function for quartz sand purification, the sand receiving plate is of a U-shaped structure, the rotary shifting mechanism comprises a rotary shaft which is arranged on the frame and is in linkage connection with the first carrier roller, and a first long shifting rod matched with the sand receiving plate is arranged in the middle of the rotary shaft;
one end of the second carrier roller is provided with a second long deflector rod, and the other end of the second carrier roller is provided with a third long deflector rod; the first long driving lever, the second long driving lever and the third long driving lever are in contact with the sand receiving plate in turn and are matched with the rebound vibration mechanism to drive the sand receiving plate to vibrate irregularly.
In the belt conveyor with the shakeout recovery function for quartz sand purification, when the first long deflector rod, the second long deflector rod or the third long deflector rod rotates to contact the sand receiving plate in a working state, the contact position of the sand receiving plate is pressed down by 8-12 mm.
In the belt conveyor with the shakeout recovery function for quartz sand purification, the rebound vibration mechanism comprises a fixed plate which is arranged on the frame and arranged along the length direction of the sand receiving plate, and the lower end of the fixed plate extends to the lower part of the middle part of the quartz sand recovery conveying pipe;
a plurality of fixed shells opposite to the sand receiving plate and the quartz sand recovery conveying pipe are arranged on the fixed plate at intervals along the length direction, movable limiting blocks are arranged in the fixed shells, connecting springs are arranged between the peripheries of the movable limiting blocks and the fixed shells, and oscillating springs are arranged between the movable limiting blocks and the fixed plate;
the upper end of the movable limiting block is of a spherical structure, the upper end of the spherical structure is provided with a connecting rod, the fixed shell is provided with a through hole matched with the connecting rod, the connecting rod movably penetrates through the through hole, and the upper end of the connecting rod is connected with a supporting plate arranged at the bottom of the sand receiving plate or the bottom of the quartz sand recovery conveying pipe; an oscillating plate is arranged at the inner top of the fixed shell;
and in an initial state, the distance between the movable limiting block and the oscillating plate is 3-5 mm, when the first long driving lever, the second long driving lever or the third long driving lever rotates to contact with the sand receiving plate, the oscillating spring is compressed, and when the first long driving lever, the second long driving lever or the third long driving lever is separated from contact with the sand receiving plate, the oscillating spring which generates elastic deformation correspondingly pushes the movable limiting block to bounce upwards and collide with the oscillating plate for oscillation.
In the belt conveyor with the shakeout recovery function for quartz sand purification, one end of the second carrier roller is provided with the first short deflector rod, the axis of the first short deflector rod and the axis of the second long deflector rod are on the same straight line, and the axis of the first short deflector rod and the axis of the third long deflector rod are parallel to each other;
a second short deflector rod is arranged at the other end of the second carrier roller, and the axis of the second short deflector rod and the axis of the third long deflector rod are on the same straight line; the sand receiving plate is prevented from shaking excessively on two sides through the matching of the first short shifting rod and the second short shifting rod.
In the belt conveyor with the shakeout recovery function for quartz sand purification, when the first short deflector rod or the second short deflector rod rotates to contact the sand receiving plate in a working state, the contact position of the sand receiving plate is pressed down by 4-6 mm.
After the structure is adopted, the sand receiving plate and the quartz sand recovery conveying pipe which are obliquely arranged are matched with each other, and the free end of the quartz sand recovery conveying pipe is bent and wound from the lower part of the conveying belt to the upper side of the conveying surface of the lower end near part of the conveying belt, so that falling quartz sand can be collected, the quartz sand is prevented from falling to pollute the surrounding environment, and the influence of the falling quartz sand on the body of a worker can be avoided. Simultaneously, through mutually supporting of resilience vibration mechanism and rotatory toggle mechanism, can drive and connect the sand board vibration to under the condition that does not need exogenic action, make the quartz sand after the collection ingenious landing to the conveyer belt on, retrieve, avoid extravagant. The invention has compact structure, collects and recovers the shakeout formed when the belt conveyor works through ingenious design, solves the adverse effect caused by the shakeout, does not need subsequent treatment, saves time and labor, greatly improves the working efficiency, has better use effect and is beneficial to the production of quartz sand.
Drawings
The invention will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the invention is not restricted.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partially enlarged schematic view at a in fig. 1.
Fig. 3 is a partially enlarged schematic view at B in fig. 2.
Fig. 4 is a partially enlarged schematic view at C in fig. 2.
FIG. 5 is a schematic structural view of the sand-receiving plate and the quartz sand recovery duct according to the present invention.
Fig. 6 is a schematic structural view of the rotating shaft and the second idler in the present invention.
In the figure: 1. a frame; 2. a conveyor belt; 3. a first carrier roller; 4. a second carrier roller; 5. a rebound vibration mechanism; 5a, fixing plates; 5b, fixing the shell; 5c, a movable limiting block; 5d, connecting a spring; 5e, an oscillating spring; 5f, connecting rods; 5g, through holes; 5h, supporting plates; 5i, an oscillating plate; 6. a sand receiving plate; 7. a quartz sand recovery conveying pipe; 8. an auxiliary cleaning mechanism; 8a, a mounting rack; 8b, cleaning a brush; 8c, shaft sleeve; 8d, fixing a rod; 8e, a limiting plate; 8f, pressing a spring; 9. rotating the toggle mechanism; 9a, a rotating shaft; 9b, a first long deflector rod; 9c, a second long deflector rod; 9d, a third long deflector rod; 10. gathering the buckets; 11. a first short deflector rod; 12. the second short deflector rod.
Detailed Description
Referring to fig. 1 to 6, the belt conveyor for quartz sand purification with shakeout recovery function of the invention comprises an obliquely arranged frame 1 and a conveyor belt 2 arranged on the frame 1, wherein a first carrier roller 3 and a second carrier roller 4 matched with the conveyor belt 2 are arranged at intervals at the near end part of the high end of the frame 1, the frame 1 is connected with a sand receiving plate 6 matched with the first carrier roller 3 and the second carrier roller 4 through a rebound vibration mechanism 5, the sand receiving plate 6 is obliquely arranged and the low end is connected with a quartz sand recovery conveyor pipe 7, the quartz sand recovery conveyor pipe 7 is obliquely arranged on the frame, and the free end is bent from the lower part of the conveyor belt 2 to the upper side of the conveyor surface at the near end part of the lower end of the conveyor belt 2.
An auxiliary cleaning mechanism 8 matched with the conveying belt 2 is arranged on the frame 1 between the first carrier roller 3 and the second carrier roller 4; a rotary toggle mechanism 9 is arranged on the frame 1 at the upper side of the sand receiving plate 6, and the rotary toggle mechanism 9 is matched with the rebound vibration mechanism 5 to enable the sand receiving plate 6 to vibrate.
Set up through the slope connect sand plate 6 and quartz sand retrieve mutually supporting of conveyer pipe 7 to and quartz sand retrieve 7 free ends of conveyer pipe and by the below bending of conveyer belt around to the transport face upside of 2 lower extreme near-end portions of conveyer belt, can collect the quartz sand that waft, avoid quartz sand to waft everywhere and pollute the surrounding environment, and can avoid the quartz sand that wafts to cause the influence to staff's health. Simultaneously, through mutually supporting of resilience vibration mechanism 5 and rotatory toggle mechanism 9, can drive and connect the vibration of sand board 6 to under the condition that does not need exogenic action, make the quartz sand after the collection slide to conveyer belt 2 ingeniously, retrieve, avoid extravagant. The invention has compact structure, collects and recovers the shakeout formed when the belt conveyor works through ingenious design, solves the adverse effect caused by the shakeout, has better use effect and is beneficial to the production of quartz sand.
Preferably, the upper part of the quartz sand recovery conveying pipe 7 is connected with the frame 1 through a rebound vibration mechanism 5. Because connect sand board and quartz sand to retrieve conveyer pipe 7 and be fixed connection structure, adopt this kind of structure, stir when connecing the sand board when rotatory toggle mechanism, quartz sand retrieves conveyer pipe 7 and also can swing thereupon to take place slight vibration under the effect of resilience vibration mechanism, thereby further guarantee the smooth and easy flow of quartz sand in the conveyer pipe.
Meanwhile, a gathering hopper 10 is connected between the sand receiving plate 6 and the quartz sand recycling conveying pipe 7, so that quartz sand on the sand receiving plate 6 can be conveniently gathered and conveyed into the quartz sand conveying pipe 7, the gathering hopper 10 is obliquely arranged, the inclination angle alpha of the gathering hopper 10 is 60-75 degrees, a fast initial speed can be provided for quartz sand entering the quartz sand recycling conveying pipe 7, and therefore the quartz sand can slide in the pipe conveniently, and the quartz sand in the quartz sand recycling conveying pipe 7 can smoothly slide onto the conveying belt 2.
In the conventional method for solving the problem of adhesion of the quartz sand to the conveyor belt 2, the quartz sand is collected directly below the conveyor belt by a collection hopper or the like and put into a bag for disposal. However, this method requires post-treatment such as conveyance of the collected silica sand, which is a problem of high labor intensity and long process time. The invention can skillfully collect and recover the shakeout formed during the operation of the belt conveyor by mutually matching the rebound vibration mechanism 5, the sand receiving plate 6, the quartz sand recovery conveying pipe 7, the auxiliary cleaning mechanism 8 and the rotary stirring mechanism 9, solves the adverse effect caused by the shakeout, does not need subsequent treatment, saves time and labor, greatly improves the working efficiency and is beneficial to the production of the quartz sand.
The conveyed quartz sand is dry, so the inclination angle of the conveying belt 2 is not too large, otherwise the quartz sand on the conveying belt 2 rolls in the conveying process. This allows the use of a conveyor belt 2 with an angle of inclination of between 22 and 25. The quartz sand recycling conveying pipe 7 is wound from the lower side of the conveying belt 2 to the upper side of the conveying belt 2, the inclination angle is inevitably reduced greatly, and the problem of smooth conveying of the quartz sand is difficult to solve at the beginning of design because the designer adopts normal design, and the quartz sand is easy to stop and cause blockage when being conveyed in the quartz sand recycling conveying pipe 7 due to the fact that the inclination angle is too small.
Finally, through repeated thinking and trial, the inclination angle beta of the sand-receiving plate 6 is designed to be 12-15 degrees. Meanwhile, the inclination angle gamma of the quartz sand recovery conveying pipe 7 is designed to be 18-22 deg.
Reasonable inclination can guarantee that quartz sand normally rolls the landing towards the predetermined direction, and the inclination that connects sand plate 6 simultaneously is less for quartz sand retrieves the import of conveyer pipe 7 can locate with a higher position, thereby makes quartz sand retrieve the drop of conveyer pipe 7 import and export great, and quartz sand can smoothly follow intraductal landing to conveyer belt 2. And the large inclination angle of the gathering hopper is combined, so that the quartz sand has a faster initial speed, and the quartz sand is conveyed more smoothly. In addition, the sand receiving plate 6 is driven to vibrate by the cooperation of the rebounding vibration mechanism 5 and the rotary toggle mechanism 9, so that the quartz sand further slides smoothly onto the conveying belt 2.
In this embodiment, preferably, the auxiliary cleaning mechanism 8 is composed of a mounting frame 8a arranged along the length direction of the conveyor belt 2, a plurality of cleaning brushes 8b rotatably connected to the mounting frame 8a through a rotating shaft and adapted to the conveyor belt 2, a plurality of shaft sleeves 8c arranged on the mounting frame 8a at intervals, a fixing rod 8d arranged on the frame 1 and movably penetrating through each shaft sleeve 8c, a limiting plate 8e arranged at the free end of each fixing rod 8d, and a compression spring 8f sleeved on the fixing rod 8d between the limiting plate 8e and the shaft sleeve 8 c; the cleaning brush 8b is contacted with the surface of the conveying belt 2 attached with the fine quartz sand under the elastic force of the pressing spring 8 f. In the working process, the surface of the conveying belt 2 can be cleaned through the cleaning brush 8b, so that fine quartz sand stained on the surface of the conveying belt 2 can fall onto the sand receiving plate 6 conveniently; moreover, the cleaning brush 8b is in contact with the surface of the conveying belt 2 through the action of the pressing spring 8f, so that the cleaning effect can be ensured, and the influence on the cleaning effect due to the abrasion of the cleaning brush 8b or other factors is avoided.
Preferably, the sand receiving plate 6 is of a U-shaped structure, so that the quartz sand can only slide into the quartz sand recycling conveying pipe 7, and the quartz sand is prevented from sliding to other places.
In this embodiment, the rotary toggle mechanism 9 includes a rotary shaft 9a disposed on the frame 1 and linked with the first carrier roller 3, and a first long toggle lever 9b matched with the sand receiving plate 6 is disposed in the middle of the rotary shaft 9 a; one end of the second carrier roller 4 is provided with a second long deflector rod 9c, and the other end of the second carrier roller 4 is provided with a third long deflector rod 9 d; the first long deflector rod 9b, the second long deflector rod 9c and the third long deflector rod 9d are in contact with the sand receiving plate 6 in turn and are matched with the rebound vibration mechanism 5 to drive the sand receiving plate 6 to vibrate irregularly.
The sand receiving plate 6 is driven to irregularly vibrate through the mutual matching of the first carrier roller 3, the second carrier roller 4, the rotating shaft 9a, the first long deflector rod 9b, the second long deflector rod 9c, the third long deflector rod 9d and the rebound vibration mechanism 5, so that quartz sand can conveniently slide onto the conveying belt 2, and the quartz sand is prevented from being accumulated at a certain position of the sand receiving plate 6; in addition, the first long driving lever 9b, the second long driving lever 9c and the third long driving lever 9d can be driven to rotate without independently arranging a driving part, so that the structure is compact, and the energy-saving and environment-friendly effects are achieved.
Preferably, in an operating state, when the first long driving lever 9b, the second long driving lever 9c or the third long driving lever 9d rotates to contact with the sand receiving plate 6, the contact position of the sand receiving plate 6 is pressed down by 8-12mm, so that the sand receiving plate 6 is prevented from being pressed down excessively, and the quartz sand on the sand receiving plate 6 falls to other places.
Further preferably, one end of the second carrier roller 4 is provided with a first short deflector rod 11, the axis of the first short deflector rod 11 and the axis of the second long deflector rod 9c are on the same straight line, and the axis of the first short deflector rod 11 and the axis of the third long deflector rod 9d are parallel to each other; a second short deflector rod 12 is arranged at the other end of the second carrier roller 4, and the axis of the second short deflector rod 12 and the axis of the third long deflector rod 9d are on the same straight line; and excessive shaking of the two sides of the sand receiving plate 6 is prevented through the matching of the first short deflector rod 11 and the second short deflector rod 12. When the sand receiving plate works, the first long deflector rod 9b is in contact with the sand receiving plate 6 to drive the sand receiving plate 6 to incline towards one end; the first short deflector rod 11 and the third long deflector rod 9d are simultaneously contacted with the sand receiving plate 6 to drive the sand receiving plate 6 to incline to one side; the second short deflector rod 12 and the second long deflector rod 9c are simultaneously in contact with the sand receiving plate 6 to drive the sand receiving plate 6 to incline towards the other side, so that irregular vibration of the sand receiving plate 6 is more frequent and obvious, and the quartz sand can slide off more easily. After long-time tests, when only the long deflector rod is adopted, the end parts at the two sides of the sand receiving plate 6 begin to accumulate stagnant fine sand after being used for a week. When the short deflector rod is additionally arranged, the sand receiving plate 6 vibrates more violently and irregularly, the sand receiving plate 6 is continuously used for one month, the problem of fine sand stagnation is solved, no fine sand exists in the sand receiving plate 6, and the using effect is very good.
Preferably, in an operating state, when the first short deflector rod 11 or the second short deflector rod 12 rotates to contact the sand receiving plate 6, the contact position of the sand receiving plate 6 is pressed for 4-6mm, and the pressing distance of the first short deflector rod and the second short deflector rod is matched, so that the sand receiving plate 6 cannot be excessively inclined, and the sand receiving plate 6 can conveniently slide into the quartz sand recycling conveying pipe 7.
The long and short driving levers are used for enabling the downward distance of the sand receiving plate 6 to be larger in order to avoid overlarge stroke and overexcitation of rebound vibration caused by the overlarge stroke, so that quartz sand jumps out of the sand receiving plate, and the quartz sand attached to the conveying belt 2 is small in size and light in weight and can jump out of the sand receiving plate 6 due to overlarge vibration.
Through long, short driving lever to and connect sand plate 6 to be the cooperation of U type structure, make and connect sand plate 6 can irregular vibration, and at irregular vibration's in-process, quartz sand can not jump out and connect sand plate 6, design benefit, rational in infrastructure, convenient to use.
Preferably, the rebounding vibration mechanism 5 comprises a fixing plate 5a which is arranged on the frame 1 and is arranged along the length direction of the sand receiving plate 6, and the lower end of the fixing plate 5a extends to the lower part of the middle part of the quartz sand recovery conveying pipe 7, so that the quartz sand recovery conveying pipe 7 can be conveniently supported; a plurality of fixed shells 5b opposite to the sand receiving plate 6 and the quartz sand recycling conveying pipe 7 are arranged on the fixed plate 5a at intervals along the length direction, movable limiting blocks 5c are arranged in the fixed shells 5b, connecting springs 5d are arranged between the peripheries of the movable limiting blocks 5c and the fixed shells 5b, and oscillating springs 5e are arranged between the movable limiting blocks 5c and the fixed plate 5 a; the upper end of the movable limiting block 5c is of a spherical structure, and is convenient to be matched with the first long deflector rod 9b, the second long deflector rod 9c and the third long deflector rod 9d for irregular vibration; the upper end of the spherical structure is provided with a connecting rod 5f, the fixed shell 5b is provided with a through hole 5g matched with the connecting rod 5f, the connecting rod 5f movably penetrates through the through hole 5g, the upper end of the connecting rod 5f is connected with a supporting plate 5h arranged at the bottom of the sand receiving plate 6 or the bottom of the quartz sand recovery conveying pipe 7, and the sand receiving plate 6 and the quartz sand recovery conveying pipe 7 are supported; an oscillating plate 5i is arranged at the inner top of the fixed shell 5 b; in an initial state, the distance between the movable limiting block 5c and the oscillating plate 5i is 3-5 mm, so that the movable limiting block 5c and the oscillating plate 5i can collide under the action of the elastic force of the oscillating spring 5e, and the vibrating force generated by the collision is not too large, thereby preventing the quartz sand from jumping out of the sand receiving plate 6 due to too large vibration.
When the first long deflector rod 9b, the second long deflector rod 9c or the third long deflector rod 9d rotates to contact with the sand receiving plate 6, the oscillating spring 5e is compressed, and when the first long deflector rod 9b, the second long deflector rod 9c or the third long deflector rod 9d is separated from the contact with the sand receiving plate 6, the oscillating spring 5e which is correspondingly elastically deformed pushes the movable limiting block 5c to pop up and collide with the oscillating plate 5i for oscillation, so that the sand receiving plate 6 is driven to vibrate irregularly, and quartz sand can slide smoothly.
When the cleaning device is used, the quartz sand stained on the surface of the conveying belt 2 falls onto the sand receiving plate 6 under the action of the gravity of the conveying belt and the auxiliary cleaning mechanism 8, and then falls into the gathering hopper 10; after the quartz sand obtains a fast initial speed in the gathering hopper 10, the quartz sand slides down to the conveying surface of the lower end near part of the conveying belt 2 through the quartz sand recovery conveying pipe 7;
in the sliding process of the quartz sand, the sand receiving plate 6 is driven to vibrate by the cooperation of the rebounding vibration mechanism 5 and the rotary shifting mechanism 9, so that the quartz sand can slide onto the conveying belt 2 more smoothly without the action of external force, and is collected and recovered.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.
Claims (7)
1. A belt conveyor with a shakeout recovery function for quartz sand purification comprises a rack (1) and a conveying belt (2) arranged on the rack (1), wherein a first carrier roller (3) and a second carrier roller (4) which are matched with the conveying belt (2) are arranged at the interval of the high-end near end part of the rack (1), and the belt conveyor is characterized in that the rack (1) is connected with a sand receiving plate (6) which is matched with the first carrier roller (3) and the second carrier roller (4) through a rebound vibration mechanism (5), the sand receiving plate (6) is obliquely arranged, the lower end of the sand receiving plate is connected with a quartz sand recovery conveying pipe (7), the quartz sand recovery conveying pipe (7) is obliquely arranged on the rack (1), and the free end of the sand recovery conveying pipe is bent from the lower surface of the conveying belt (2) and wound to the upper side of a conveying surface at the lower end of the conveying belt (2);
an auxiliary cleaning mechanism (8) which is adaptive to the conveying belt (2) is arranged on the frame (1) between the first carrier roller (3) and the second carrier roller (4);
a rotary toggle mechanism (9) is arranged on the rack (1) at the upper side of the sand receiving plate (6), and the rotary toggle mechanism (9) is matched with the rebound vibration mechanism (5) to vibrate the sand receiving plate (6);
the inclination angle gamma of the quartz sand recovery conveying pipe (7) is 18-22 degrees; the upper part of the quartz sand recovery conveying pipe (7) is connected with the rack (1) through a rebound vibration mechanism (5);
the sand receiving plate (6) is of a U-shaped structure, the rotary toggle mechanism (9) comprises a rotary shaft (9 a) which is arranged on the rack (1) and is in linkage connection with the first carrier roller (3), and a first long toggle lever (9 b) matched with the sand receiving plate (6) is arranged in the middle of the rotary shaft (9 a);
a second long deflector rod (9 c) is arranged at one end of the second carrier roller (4), and a third long deflector rod (9 d) is arranged at the other end of the second carrier roller (4); the first long deflector rod (9 b), the second long deflector rod (9 c) and the third long deflector rod (9 d) are in contact with the sand receiving plate (6) in turn and are matched with the rebound vibration mechanism (5) to drive the sand receiving plate (6) to vibrate irregularly;
the rebound vibration mechanism (5) comprises a fixed plate (5 a) which is arranged on the rack (1) and arranged along the length direction of the sand receiving plate (6), and the lower end of the fixed plate (5 a) extends to the lower part of the middle part of the quartz sand recovery conveying pipe (7);
a plurality of fixed shells (5 b) opposite to the sand receiving plate (6) and the quartz sand recycling conveying pipe (7) are arranged on the fixed plate (5 a) at intervals along the length direction, movable limiting blocks (5 c) are arranged in each fixed shell (5 b), connecting springs (5 d) are arranged between the periphery of each movable limiting block (5 c) and the fixed shell (5 b), and oscillating springs (5 e) are arranged between each movable limiting block (5 c) and the fixed plate (5 a);
the upper end of the movable limiting block (5 c) is of a spherical structure, the upper end of the spherical structure is provided with a connecting rod (5 f), a through hole (5 g) matched with the connecting rod (5 f) is formed in the fixed shell (5 b), the connecting rod (5 f) movably penetrates through the through hole (5 g), and the upper end of the connecting rod (5 f) is connected with a supporting plate (5 h) arranged at the bottom of the sand receiving plate (6) or the bottom of the quartz sand recycling conveying pipe (7); an oscillating plate (5 i) is arranged at the inner top of the fixed shell (5 b);
under the initial state, the distance between the movable limiting block (5 c) and the oscillation plate (5 i) is 3-5 mm, when the first long driving lever (9 b), the second long driving lever (9 c) or the third long driving lever (9 d) is in rotational contact with the sand-receiving plate (6), the oscillation spring (5 e) is compressed, and when the first long driving lever (9 b), the second long driving lever (9 c) or the third long driving lever (9 d) is separated from the sand-receiving plate (6), the oscillation spring (5 e) which is correspondingly elastically deformed pushes the movable limiting block (5 c) to pop up and collide with the oscillation plate (5 i) for oscillation.
2. The belt conveyor with the shakeout recovery function for quartz sand purification of claim 1, wherein a gathering hopper (10) is connected between the sand receiving plate (6) and the quartz sand recovery conveying pipe (7), the gathering hopper (10) is obliquely arranged, and the inclination angle alpha of the gathering hopper (10) is 60-75 degrees.
3. The belt conveyor for quartz sand purification with shakeout recovery function according to claim 1, wherein the inclination angle β of the sand-receiving plate (6) is 12 ° to 15 °.
4. The belt conveyor with the shakeout recovery function for quartz sand purification of claim 1, wherein the auxiliary cleaning mechanism (8) comprises a mounting frame (8 a) arranged along the length direction of the conveyor belt (2), a plurality of cleaning brushes (8 b) rotatably connected to the mounting frame (8 a) through rotating shafts and adapted to the conveyor belt (2), a plurality of shaft sleeves (8 c) arranged on the mounting frame (8 a) at intervals, fixing rods (8 d) arranged on the frame (1) and movably penetrating through the shaft sleeves (8 c), limiting plates (8 e) arranged at the free ends of the fixing rods (8 d), and compression springs (8 f) sleeved on the fixing rods (8 d) between the limiting plates (8 e) and the shaft sleeves (8 c);
the cleaning brush (8 b) is contacted with the surface of the conveying belt (2) attached with the fine quartz sand under the elastic force of the pressing spring (8 f).
5. The belt conveyor with shakeout recovery function for quartz sand purification of claim 1, wherein in the working state, when the first long deflector rod (9 b), the second long deflector rod (9 c) or the third long deflector rod (9 d) rotates to contact the sand-receiving plate (6), the contact position of the sand-receiving plate (6) is pressed down by 8-12 mm.
6. The belt conveyor with the shakeout recovery function for quartz sand purification of claim 1, wherein one end of the second carrier roller (4) is provided with a first short deflector rod (11), the axis of the first short deflector rod (11) is collinear with the axis of the second long deflector rod (9 c), and the axis of the first short deflector rod (11) is parallel to the axis of the third long deflector rod (9 d);
a second short deflector rod (12) is arranged at the other end of the second carrier roller (4), and the axis of the second short deflector rod (12) and the axis of the third long deflector rod (9 d) are on the same straight line; the first short deflector rod (11) and the second short deflector rod (12) are matched to prevent the two sides of the sand receiving plate (6) from shaking excessively.
7. The belt conveyor with shakeout recovery function for quartz sand purification of claim 6, wherein in the working state, when the first short deflector rod (11) or the second short deflector rod (12) rotates to contact the sand receiving plate (6), the contact position of the sand receiving plate (6) is pressed down by 4-6 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110594272.9A CN113184499B (en) | 2021-05-28 | 2021-05-28 | Belt conveyor with shakeout recovery function and used for quartz sand purification |
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| CN202110594272.9A CN113184499B (en) | 2021-05-28 | 2021-05-28 | Belt conveyor with shakeout recovery function and used for quartz sand purification |
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| CN113184499A CN113184499A (en) | 2021-07-30 |
| CN113184499B true CN113184499B (en) | 2021-12-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114194758A (en) * | 2021-11-03 | 2022-03-18 | 淮北矿业股份有限公司 | Buffer device is additionally arranged at unloading position of transfer point of strong belt conveying system |
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| SU1484791A1 (en) * | 1987-06-29 | 1989-06-07 | Bryanskij Transport Mash | Device for cleaning conveyer belt |
| KR20070037042A (en) * | 2005-09-30 | 2007-04-04 | 주식회사 포스코 | A belt conveyor with apparatus for automotive-removing falling coal |
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| CN113184499A (en) | 2021-07-30 |
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