CN107890944B - Reverse feed back device of single belt conveyor and crushing and screening device - Google Patents
Reverse feed back device of single belt conveyor and crushing and screening device Download PDFInfo
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- CN107890944B CN107890944B CN201710978541.5A CN201710978541A CN107890944B CN 107890944 B CN107890944 B CN 107890944B CN 201710978541 A CN201710978541 A CN 201710978541A CN 107890944 B CN107890944 B CN 107890944B
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- screening
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- 238000012216 screening Methods 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 30
- 230000008093 supporting effect Effects 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000001174 ascending effect Effects 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 abstract 4
- 230000007547 defect Effects 0.000 abstract 1
- 239000004575 stone Substances 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention provides a reverse feeding device and a crushing and screening device of a single belt conveyor, which solve the defects of troublesome use, high operation cost and the like in the prior art. Including support frame and the rotatory elevating system of setting on the support frame, be equipped with the feed back conveyer belt on the support frame, and the feed back conveyer belt forms ascending flexion under the supporting role of support frame, have the contact surface that contacts with rotatory elevating system on the flexion, this contact surface closely pastes and is formed the conveying space by rotatory elevating system and contact surface under rotatory elevating system's pressure effect, the end-to-end connection of feed back conveyer belt is in the drive assembly that is located on the support frame, and be located the below of drive assembly on the drive support frame and have a feed back buffer bucket that is used for receiving the material of coming from conveying space. The invention has the following advantages: small occupied space, low running cost, convenient trial use and the like.
Description
Technical Field
The invention belongs to the technical field of crushing, and particularly relates to a single-belt conveyor reverse feeding device and a crushing and screening device.
Background
In the prior art, a crusher 81 for crushing stones and a vibratory screening machine 9 for screening are respectively installed on two moving platforms, and a double-machine production line is adopted, wherein the installation mode is shown in fig. 1.
The following disadvantages exist for this crushing process layout: 1. two devices are adopted to complete the crushing and screening of stones, the production line contains more parts and has high manufacturing cost; 2. before the production line is used, the mutual positions of the two devices and the mutual positions of the feed back belt and the two devices need to be adjusted, and the adjustment workload is high before the use; 3. the transfer transportation cost is high.
In order to solve the above technical problems, long-term exploration is performed, for example, chinese patent discloses a quartz pulverizing and classifying production line [ application number: CN201220066186.7], including feedway, ball mill and the hierarchical collection device that connects gradually, the ball mill includes feed arrangement and discharging device, be equipped with the solid of revolution by power device driven between feed arrangement and the discharging device, be equipped with grinding medium and nonferrous welt in the solid of revolution, nonferrous welt fixed mounting in on the inner wall of solid of revolution, be close to in the solid of revolution discharging device one end is equipped with stainless steel ejection of compact comb board, be equipped with the lifting hopper welt in the discharging device, the discharging device lower part is equipped with the discharge valve.
Although the above-mentioned scheme can grind the unqualified coarse powder particles repeatedly to obtain fine powder with qualified granularity, some problems still exist, such as complex structure, high manufacturing cost, high use cost and the like.
Disclosure of Invention
The invention aims to solve the problems and provides a single belt conveyor reverse feeding device with a simple structure;
another object of the present invention is to provide a crushing and screening device with high crushing efficiency and low use cost, which aims at the above technical problems.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the invention relates to a reverse feeding back device of a single belt conveyor, which comprises a supporting frame and a rotary lifting mechanism arranged on the supporting frame, wherein a feeding back transmission belt is wound on the supporting frame, the feeding back transmission belt forms an upward bending part under the supporting action of the supporting frame, the bending part is provided with a contact surface contacted with the rotary lifting mechanism, the contact surface is tightly adhered to the rotary lifting mechanism under the pressure action of the rotary lifting mechanism and forms a conveying space with the rotary lifting mechanism and the contact surface, the tail end of the feeding back transmission belt is connected with a driving assembly positioned on the supporting frame, and a feeding back buffer hopper for receiving materials conveyed from the conveying space is arranged below the driving assembly on the driving supporting frame.
Through foretell technical scheme, pass through the conveying space with the material on the return conveying belt and convey to the return buffer fill, can carry out screening once more to the material when guaranteeing simple structure.
In the reverse feed back device of the single belt conveyor, the rotary lifting mechanism comprises a rotary bucket body formed by opposite arrangement of two rotary discs, a plurality of arc-shaped partition plates which are connected end to end and distributed circumferentially are arranged between the two rotary discs, a bucket cavity is formed between each arc-shaped partition plate and the two rotary discs, and a conveying space is formed between each bucket cavity contacted with the contact surface and the contact surface.
In the single belt conveyor reverse feeding device, the arc-shaped separation plates are integrally formed, and the outer edges of the arc-shaped separation plates are flush with or protrude out of the outer edges of the rotary bucket body.
In the single belt conveyor reverse feeding device, the lifting rotating shafts are arranged on the central axes of the two rotating discs in a penetrating manner, and two ends of the lifting rotating shafts are respectively arranged on the supporting frame in a penetrating manner and circumferentially fix the rotating bucket body on the supporting frame through the fixing device.
In the reverse feed back device of the single belt conveyor, the reverse feed back device further comprises a limiting support, wherein the limiting support comprises two triangular support legs and a connecting rod connecting the two triangular support legs, connecting bodies are arranged at two ends of the connecting rod, and the connecting bodies are connected with the supporting frame and the lifting rotating shaft through connecting pieces.
In the reverse feed back device of the single belt conveyor, the connecting piece comprises a connecting rod and a main arm rod, the connecting body comprises an L-shaped plate body which is integrally formed or fixedly connected to the connecting rod, the upper end of the L-shaped plate body is provided with a connecting hole for connecting one end of the connecting rod, and the lower end of the L-shaped plate body is provided with a connecting hole for connecting one end of the main arm rod.
In the single-belt conveyor reverse feeding device, the other end of the connecting rod is connected to the supporting frame, the other end of the main arm rod is connected to the supporting frame and the lifting rotating shaft, and the lower ends of the two sides of the main arm rod are respectively connected with the lifting oil cylinders.
In the single belt conveyor reverse feeding device, the driving assembly comprises a motor and a transmission rotating shaft connected with an output shaft of the motor, and the feeding conveyor belt is wound on the transmission rotating shaft; the bottom of the feed back buffer hopper is of a concave arc structure matched with the rotary hopper body.
The utility model provides a broken screening plant, its reverse feed back device that is applied to single belt feeder, including the chassis that gets off that is rectangular structure, the reverse feed back device of single belt feeder set up in the top one end of chassis that gets off, the other end extension of chassis is down passed through to the feed back transmission band, feed back buffer fill and feed back transmission band between be provided with vibration screening machine, vibration screening machine include upper screen surface and lower floor's screen surface, and the sieve mesh of upper screen surface is greater than the sieve mesh of lower floor's screen surface, the terminal discharge gate of upper screen surface is located the breaker feed inlet department that sets up on the chassis that gets off makes the big granule material that goes out through the screening of upper screen surface fall into the breaker, the discharge gate of breaker be located the one end that the support frame was kept away from to the feed back transmission band and make the material that comes out from the breaker fall into on the feed back transmission band.
Through above-mentioned technical scheme, solved single belt feeder reverse transport material, simplified broken and the screening production line of building stones, improved broken and the efficiency of screening simultaneously.
In the crushing and screening device, the lower layer screening surface comprises at least two layers of discharging screening surfaces which are sequentially arranged from top to bottom, and the screen holes of the discharging screening surface positioned on the upper layer are larger than those of the discharging screening surface positioned on the lower layer, and the tail end of each layer of discharging screening surface is connected with a discharging conveying belt.
Compared with the prior art, the single belt conveyor reverse feeding device and the crushing and screening device have the following advantages: 1. the unqualified materials are conveyed to a feed back buffer hopper through a conveying space to carry out operations such as screening, crushing and the like again; 2. the crushing and screening production line of stones is simplified; 3. the occupied space is small, and the running cost is low; 4. the adjustment is not needed before the use, and the use is convenient.
Drawings
FIG. 1 is a schematic view of a prior art crushing and screening device;
FIG. 2 is a cross-sectional view of a single belt conveyor reverse feed back apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a supporting frame and a feed back buffer bucket according to an embodiment of the present invention;
FIG. 4 is a schematic view of a rotary bucket according to an embodiment of the present invention;
FIG. 5 is a schematic view of a limiting bracket according to an embodiment of the present invention;
FIG. 6 is a schematic view of a connecting rod according to an embodiment of the present invention;
FIG. 7 is a schematic view of a main arm according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a lifting cylinder according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a driving assembly according to an embodiment of the present invention;
FIG. 10 is a schematic view of a crushing and screening device according to a second embodiment of the present invention;
FIG. 11 is a schematic view of a crushing and screening device without a discharge conveyor according to a second embodiment of the present invention;
fig. 12 is an enlarged view of the portion a of fig. 11 in accordance with the present invention.
Reference numerals: a support frame 1; a feed back buffer bucket 11; a rotary lifting mechanism 2; rotating the bucket body 21; an arc-shaped partition plate 22; a bucket chamber 23; lifting the rotation shaft 24; a return material conveying belt 3; a bending portion 31; a contact surface 32; a conveying space 33; a limit bracket 4; triangular support legs 41; a connecting rod 42; a connection hole 43; a connector 44; a plug hole 45; a connecting piece 5; a link 51; a main arm lever 52; a lift cylinder 6; a drive assembly 7; a motor 71; a transmission rotation shaft 72; a lower chassis 8; a crusher 81; a vibratory screening machine 9; an upper screen surface 91; a lower screen surface 92; and an outfeed conveyor 93.
Detailed Description
The following description of the preferred embodiments of the present invention will be given with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Example 1
As shown in fig. 2 and 3, this embodiment discloses a reverse feeding back device of a single belt conveyor, including a support frame 1 and a rotary lifting mechanism 2 disposed on the support frame 1, a feeding back conveying belt 3 is wound on the support frame 1, the feeding back conveying belt 3 forms an upward bending portion 31 under the supporting action of the support frame 1, the bending portion 31 has a contact surface 32 contacting with the rotary lifting mechanism 2, the contact surface 32 is tightly adhered to the rotary lifting mechanism 2 under the pressure action of the rotary lifting mechanism 2, and a conveying space 33 is formed by the rotary lifting mechanism 2 and the contact surface 32, the end of the feeding back conveying belt 3 is connected to a driving assembly 7 located on the support frame 1, and a feeding back buffer bucket 11 for receiving materials conveyed from the conveying space 33 is located below the driving assembly 7 on the support frame 1, and the bucket bottom of the feeding back buffer bucket 11 is in a concave arc structure matched with the rotary bucket body 21.
Specifically, as shown in fig. 4, the rotary lifting mechanism 2 includes a rotary bucket body 21 with an i-shaped wheel structure formed by two concentric rotary discs and arranged in parallel relatively, a plurality of arc-shaped partition plates 22 connected end to end and distributed circumferentially are arranged between the two rotary discs, the arc-shaped partition plates 22 and the two rotary discs form a plurality of bucket cavities 23, each bucket cavity 23 contacted with a contact surface 32 and the contact surface 32 form a conveying space 33, in this embodiment, a lifting rotary shaft 24 is arranged on the central axis of the two rotary discs in a penetrating manner, two ends of the lifting rotary shaft 24 are respectively arranged on the support frame 1 in a penetrating manner, then the rotary bucket body 21 is fixed on the support frame 1 in the circumferential direction through a fixing device, and the lifting rotary shaft 24 can be fixed relatively between the two rotary discs and the rotary discs so as to be connected with the rotary discs in a rotary manner relatively to the support frame 1, or the lifting rotary shaft 24 is fixedly connected with the support frame 1, so that the rotary discs do not rotate in the rotating process.
The outer edge of the arc-shaped partition plate 22 protrudes from the outer edge of the rotary bucket body 21, the part of the arc-shaped partition plate 22 protruding from the outer edge of the rotary bucket body 21 is made of rubber strips or polyurethane materials which are the same as the arc-shaped partition plate 22 and are integrally formed with the arc-shaped partition plate 22, friction force between the rotary bucket body 21 and the surface of the return conveying belt is improved in a manner of protruding from the outer edge of the rotary bucket body 21, slipping of the rotary bucket body 21 on the surface of the return conveying belt 3 can be prevented, when the rotary bucket body 21 is put into use, unqualified materials reversely sent back are conveyed towards the direction of the rotary lifting mechanism 2 on the return conveying belt 3, meanwhile, the rotary bucket body 21 and the return conveying belt 3 are synchronously rotated, and at a point S in fig. 2, broken stone materials are brought into the bucket cavity 23 in the process of rotating towards the surface of the return conveying belt 3, and meanwhile, along with the continuous rotation of the rotary bucket body 21, the bucket cavity 23 and the surface of the conveying belt form a closed conveying space 33 together with the stone materials in the conveying space 33; at point B in fig. 2, the chamber 23 of the rotary hopper 21 is separated from the surface of the return conveyor 3 to open the closed conveying space 33, and the crushed stone is thrown away from the chamber 23 under the action of the rotation force, so that the crushed stone enters the next process through the buffer drainage action of the return buffer hopper 11.
Preferably, as shown in fig. 5, in order to ensure the strength of the rotary bucket body 21, the single belt conveyor reverse feeding device of this embodiment further includes a limiting bracket 4, the limiting bracket 4 includes two triangular legs 41 and a connecting rod 42 connecting the two triangular legs 41, both ends of the connecting rod 42 have a connecting body 44, the connecting body 44 is connected with the supporting frame 1 and the lifting rotating shaft 24 through a connecting piece 5, the connecting piece 5 includes a connecting rod 51 shown in fig. 6 and a main arm rod 52 shown in fig. 7, the connecting body 44 includes an L-shaped plate body integrally formed or fixedly connected to the connecting rod 42, the upper end of the L-shaped plate body is provided with a connecting hole 43 for connecting one end of the connecting rod 51, the lower end of the L-shaped plate body is provided with a connecting hole 43 for connecting one end of the main arm rod 52, the supporting frame 1 is also provided with a connecting hole 43 for connecting the connecting rod 51 and the other end of the main arm rod 52 respectively, the connecting rod 51 and the two ends of the main arm rod 52 are provided with the inserting holes 45 which are matched with the connecting holes 43, the lifting rotating shaft 24 passes through one of the inserting holes 45 of the main arm rod 52 and the connecting hole 43 of the supporting frame 1 which is matched with the inserting hole 45 of the main arm rod 52, the main arm rod 52 is of a U-shaped structure, the lower ends of two sides of the main arm rod 52 are respectively connected with the lifting cylinder 6 as shown in fig. 8, the connecting parts of the connecting rod 51, the connecting body 44 and the supporting frame 1 are all fixed through fixing bolts, and similarly, the connecting parts of the main arm rod 52, the connecting body 44, the supporting frame 1 and the lifting cylinder 6 are all fixed through fixing bolts, in order to play a limiting role on the main arm rod 52 and the connecting rod 51, each inserting hole 45 is correspondingly provided with two connecting holes 43, and the two connecting holes 43 are positioned on two sides of the inserting hole 45 and are concentrically arranged with the inserting hole 45.
Specifically, as shown in fig. 9, the driving assembly 7 includes a motor 71 and a transmission rotation shaft 72 connected to an output shaft of the motor 71, and the return material transmission belt 3 is wound around the transmission rotation shaft 72.
Example two
The present embodiment is similar to the embodiment in that, in order to improve the overall strength of the apparatus and to improve the sealing of stone during the lifting process, a plurality of arc-shaped partition plates 22 of the present embodiment are integrally formed of polyurethane material, and the outer edges of the arc-shaped partition plates 22 are disposed flush with the outer edges of the rotary bucket body 21.
Example III
As shown in fig. 10 to 12, this embodiment discloses a crushing and screening device based on a reverse return device of a single belt conveyor, including a reverse return device of a single belt conveyor and a lower chassis 8 with a strip structure in embodiment one or embodiment two, the reverse return device of a single belt conveyor is arranged at one end above the lower chassis 8, a return material conveying belt 3 extends towards the other end of the lower chassis 8, a vibrating screen 9 is arranged between a return material buffer bucket 11 and the return material conveying belt 3, the vibrating screen 9 comprises an upper screen surface 91 and a lower screen surface 92, the screen holes of the upper screen surface 91 are larger than the screen holes of the lower screen surface 92, the tail end discharge port of the upper screen surface 91 is positioned at the feed inlet of a crusher 81 arranged on the lower chassis 8, the discharge port of the crusher 81 is positioned at one end of the return material conveying belt 3 far away from the support frame 1, the material from the crusher 81 falls onto the return material conveying belt 3 and is conveyed by the return material conveying belt 3, the vibrating screen surface 9 further comprises at least two screen holes which are sequentially arranged from the upper screen surface 92 to the lower screen surface, and the discharge port of the discharge screen surface is sequentially positioned at the tail end of each screen surface 93.
In this embodiment, the broken stone of breaker 81 falls to return material conveyer belt 3, promote the broken stone through reverse feed back device and throw the broken stone off rotatory bucket body 21 under the effect of rotatory power, then the broken stone that will be thrown off through the buffering drainage effect of return material buffer bucket 11 falls to vibration screen 9's upper screen surface 91, then pass through the screening of upper screen surface 91, the large granule broken stone falls into breaker 81 again through the export of upper screen surface 91 and carries out further smashing, then pass through return material conveyer belt 3 and rotatory bucket body again and pass through vibration screen 9, so cycle is repeated, and the broken stone of less granule filters out from upper screen surface 91 and falls to lower screen surface 92, then pass through the screening effect of each ejection of compact screen surface and carry out the broken stone classification conveying of equidimension, that is, the broken stone that is the biggest particle finished product is received from the discharge gate of upper screen surface, the broken stone particle size that comes out from the ejection of compact screen surface of lower screen surface can be little, can pass through this kind of mode and pass through the broken stone through the lower screen surface 92 and pass through the mode of course and pass through the low screen surface and pass through the sieve surface 92 and pass through the low-pass through the sieve surface of the sieve surface and pass through the sieve surface of the invention and pass through the layer of the sieve surface of the invention is further, the broken stone can pass through the broken stone of the layer of the sieve surface has the quality of the quality screen surface and pass through the layer of the broken stone is separated down and pass through the sieve surface and pass through the layer of the screen surface and the quality has the quality screen surface and has the quality.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the support frame 1 is used more herein; a feed back buffer bucket 11; a rotary lifting mechanism 2; rotating the bucket body 21; an arc-shaped partition plate 22; a bucket chamber 23; lifting the rotation shaft 24; a return material conveying belt 3; a bending portion 31; a contact surface 32; a conveying space 33; a limit bracket 4; triangular support legs 41; a connecting rod 42; a connection hole 43; a connector 44; a plug hole 45; a connecting piece 5; a link 51; a main arm lever 52; a lift cylinder 6; a drive assembly 7; a motor 71; a transmission rotation shaft 72; a lower chassis 8; a crusher 81; a vibratory screening machine 9; an upper screen surface 91; a lower screen surface 92; the terms outfeed conveyor 93, etc., do not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (8)
1. The utility model provides a reverse feed back device of single belt feeder, its characterized in that includes support frame (1) and rotary lifting mechanism (2) of setting on support frame (1), support frame (1) on be wound and be equipped with feed back conveyer belt (3), and feed back conveyer belt (3) form ascending flexion (31) under the supporting action of support frame (1), flexion (31) on have with rotary lifting mechanism (2) contact face (32), this contact face (32) closely pastes with rotary lifting mechanism (2) under rotary lifting mechanism (2) pressure effect and forms conveying space (33) by rotary lifting mechanism (2) and contact face (32), the end-to-end connection of feed back conveyer belt (3) in drive assembly (7) that are located on support frame (1), and drive support frame (1) on be located below drive assembly (7) have one and be used for receiving feed back buffer bucket (11) of material that is carried from conveying space (33);
the rotary lifting mechanism (2) comprises a rotary bucket body (21) formed by opposite arrangement of two rotary discs, a plurality of arc-shaped partition plates (22) which are connected end to end and distributed circumferentially are arranged between the two rotary discs, a bucket cavity (23) is formed between each arc-shaped partition plate (22) and the two rotary discs, and a conveying space (33) is formed between each bucket cavity (23) contacted with the contact surface (32) and the contact surface (32);
the driving assembly (7) comprises a motor (71) and a transmission rotating shaft (72) connected with an output shaft of the motor (71), and the feed back transmission belt (3) is wound on the transmission rotating shaft (72); the bottom of the feed back buffer hopper (11) is of a concave arc structure matched with the rotary hopper body (21);
the rotary bucket body (21) is driven by the return conveying belt (3) to synchronously rotate with the return conveying belt (3).
2. The single belt conveyor reverse feeding device according to claim 1, wherein the plurality of arc-shaped partition plates (22) are integrally formed, and the outer edges of the arc-shaped partition plates (22) are flush with the outer edges of the rotary bucket body (21) or protrude from the outer edges of the rotary bucket body (21).
3. The single-belt conveyor reverse feeding device according to claim 1, wherein lifting rotating shafts (24) are arranged on the central axes of the two rotating discs in a penetrating way, and two ends of each lifting rotating shaft (24) are respectively arranged on the supporting frame (1) in a penetrating way and circumferentially fix the rotating hopper body (21) on the supporting frame (1) through the fixing device.
4. A single-belt conveyor reverse feeding device according to claim 3, further comprising a limiting bracket (4), wherein the limiting bracket (4) comprises two triangular support legs (41) and a connecting rod (42) connecting the two triangular support legs (41), connecting bodies (44) are arranged at two ends of the connecting rod (42), and the connecting bodies (44) are connected with the supporting frame (1) and the lifting rotating shaft (24) through connecting pieces (5).
5. The single-belt conveyor reverse feeding device according to claim 4, wherein the connecting piece (5) comprises a connecting rod (51) and a main arm rod (52), the connecting body (44) comprises an integrally formed or fixedly connected L-shaped plate body on the connecting rod (42), the upper end of the L-shaped plate body is provided with a connecting hole (43) for connecting one end of the connecting rod (51), and the lower end of the L-shaped plate body is provided with a connecting hole (43) for connecting one end of the main arm rod (52).
6. The single-belt conveyor reverse feeding device according to claim 5, wherein the other end of the connecting rod (51) is connected to the supporting frame (1), the other end of the main arm rod (52) is connected to the supporting frame (1) and the lifting rotating shaft (24), and the lower ends of two sides of the main arm rod (52) are respectively connected with the lifting oil cylinders (6).
7. The utility model provides a crushing screening plant, its characterized in that is applied to the reverse feed back device of single belt feeder of arbitrary one of claims 1-6, including lower carriage chassis (8) that are rectangular structure, the reverse feed back device of single belt feeder set up in the top one end of lower carriage chassis (8), the other end of feed back transmission band (3) to lower carriage chassis (8) extends, feed back buffer fill (11) and feed back transmission band (3) between be provided with vibration screening machine (9), vibration screening machine (9) include upper screen surface (91) and lower screen surface (92), and the sieve mesh of upper screen surface (91) is greater than the sieve mesh of lower screen surface (92), the terminal discharge gate of upper screen surface (91) is located the feed inlet department that sets up breaker (81) on lower carriage chassis (8) makes the big granule material that passes through upper screen surface (91) screen fall into breaker (81), the discharge gate of breaker (81) be located the feed back transmission band (3) and keep away from the one end that makes breaker (81) of feed back transmission band (1) of support frame from the material that falls into breaker (81).
8. The crushing and screening device according to claim 7, characterized in that the lower layer screening surface (92) comprises at least two layers of discharging screening surfaces which are arranged in sequence from top to bottom, and the screen holes of the discharging screening surface positioned on the upper layer are larger than the screen holes of the discharging screening surface positioned on the lower layer, and the tail end of each layer of discharging screening surface is connected with a discharging conveying belt (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710978541.5A CN107890944B (en) | 2017-10-19 | 2017-10-19 | Reverse feed back device of single belt conveyor and crushing and screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710978541.5A CN107890944B (en) | 2017-10-19 | 2017-10-19 | Reverse feed back device of single belt conveyor and crushing and screening device |
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| Publication Number | Publication Date |
|---|---|
| CN107890944A CN107890944A (en) | 2018-04-10 |
| CN107890944B true CN107890944B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710978541.5A Active CN107890944B (en) | 2017-10-19 | 2017-10-19 | Reverse feed back device of single belt conveyor and crushing and screening device |
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| CN (1) | CN107890944B (en) |
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| CN207667804U (en) * | 2017-10-19 | 2018-07-31 | 浙江美安普工程技术服务有限公司 | The reversed feeding back device of single belt machine and crushing and screening device |
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| CN2534137Y (en) * | 2002-04-30 | 2003-02-05 | 北京鑫航成科技发展有限公司 | Capsules ground feeding machine |
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| CN206139303U (en) * | 2016-08-24 | 2017-05-03 | 武汉三源特种建材有限责任公司 | Crushing and screening reflux unit |
| CN106733116A (en) * | 2017-01-23 | 2017-05-31 | 柳工美卓建筑设备(常州)有限公司 | A kind of crawler belt movement jaw crushing screening station |
| CN207667804U (en) * | 2017-10-19 | 2018-07-31 | 浙江美安普工程技术服务有限公司 | The reversed feeding back device of single belt machine and crushing and screening device |
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| CN107890944A (en) | 2018-04-10 |
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