CN111282646B - Guarantee broken coal even device in small, broken bits of even granularity - Google Patents
Guarantee broken coal even device in small, broken bits of even granularity Download PDFInfo
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- CN111282646B CN111282646B CN202010244902.5A CN202010244902A CN111282646B CN 111282646 B CN111282646 B CN 111282646B CN 202010244902 A CN202010244902 A CN 202010244902A CN 111282646 B CN111282646 B CN 111282646B
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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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
- B02C23/02—Feeding devices
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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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/286—Feeding devices
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
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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
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Abstract
The invention discloses a fine crushing device for ensuring the uniform granularity of crushed coal, which comprises a crushing box, wherein a crushing cavity with a downward opening is arranged in the crushing box, a crushing device is arranged in the crushing cavity, the crushing device comprises a transmission cavity positioned at the rear side of the crushing cavity, the fine crushing device simultaneously slides inwards or outwards at the left side and the right side, a conveying channel is opened by combining an inwards sliding component, an outwards sliding component is closed, so that the coal can be conveyed to one side only, then a synchronous lifting extrusion structure of a coal conveying structure is followed, the coal can be tightly attached to the upper side of a crushing roller, the extrusion crushing engineering is ensured, the coal with reasonable granularity is screened by utilizing a screen, and the uniform granularity of fine crushing of the coal is ensured.
Description
Technical Field
The invention relates to the technical field of coal crushing, in particular to a fine crushing device for ensuring uniform granularity of crushed coal.
Background
After traditional coal is dug out from the ground bottom, forms with different sizes exist, and influence is caused on subsequent processing. However, in the existing coal crushing, two oppositely selected roller pressing or pendulum weights are mostly adopted for fine crushing.
However, the traditional pendulum bob has a single structure, and the coal has different shapes, so that the crushed particle sizes are different, but the drum-type extrusion process has the possibility of slipping of the round-like coal, and the crushed particle sizes are not uniform due to different feeding amounts and different pressing gravity of the coal on the upper side of the drum. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
the problem of uniform granularity of fine coal crushing cannot be effectively solved by either a pendulum crushing mode or a drum-type extrusion process.
The fine crushing device for guaranteeing the uniform granularity of the crushed coal comprises a crushing box, a crushing cavity with a downward opening is arranged in the crushing box, a crushing device is arranged in the crushing cavity and comprises a transmission cavity positioned on the rear side of the crushing cavity, the inner wall of the front side of the transmission cavity is rotationally connected with bilaterally symmetrical transmission shafts, gears which are meshed with each other are arranged on the transmission shafts, crushing rollers positioned in the crushing cavity are arranged on the transmission shafts, an extrusion plate positioned on the upper side of the crushing rollers is connected in a sliding manner in the crushing cavity, moves downwards to provide downward pressure, the coal is kept to be attached to the upper ends of the crushing rollers, and the crushing rollers are driven by gear pairs to rotate relatively, so that the whole grinding of the coal is guaranteed, the coal conveying device comprises a placing plate positioned in the conveying cavity, a cushion block in sliding connection with the inner wall of the lower side of the conveying cavity, a translation plate is fixedly arranged on the upper side of the cushion block, a conveying channel in sliding connection with the rotary groove is arranged on the translation plate, a lifting cavity is arranged on the upper side of the conveying channel, a baffle plate is in sliding connection with the lower side of the lifting cavity, the baffle plate vertically slides to change the opening and closing of the conveying channel, the coal cannot be pushed outwards when the translation plates are far away from each other, but the coal can be pushed into the crushing cavity when the translation plates are close to each other, and a driving device for driving the translation plate to slide is arranged between the conveying cavity and the crushing cavity, and a synchronizer for driving the extrusion plate to lift and the crushing roller to rotate and synchronously work is arranged in the transmission cavity.
Preferably, a support frame is fixedly arranged on the lower side of the conveying cavity.
The crushing device further comprises a screen which is connected with the inner wall of the crushing cavity in a mortise and tenon mode and is positioned on the lower side of the crushing roller.
The conveying device further comprises a guide roller connected with the inner wall of the lifting cavity in a rotating mode, a resistance spring is connected between the baffle and the inner wall of the lower side of the lifting cavity, the conveying cavity is far away from a fixing ring fixedly connected to the inner wall of the side of the crushing cavity, the fixing ring is connected with the baffle, the pull rope is connected with the guide roller in a sliding mode, a rotary groove is formed in the placing plate, a rotary plate is connected to the rotary groove in a rotating mode, the lower end of the rotary plate is hinged to a hinge rod, the lower end of the hinge rod is connected with a roller in sliding connection with the end face of the upper side of the cushion block in a rotating mode, the conveying cavity is far away from the inner wall of the side of the crushing cavity, a placing cavity.
The driving device comprises a driven shaft which is rotatably connected with the inner wall of the conveying cavity and extends into the crushing cavity, a rotary drum which is located in the conveying cavity is arranged on the driven shaft, a track groove which is in sliding connection with the upper side of the translation plate is arranged on the rotary drum, and an auxiliary bevel gear which is located in the crushing cavity is arranged on the driven shaft.
Wherein, synchronizer include with the drive shaft that transmission chamber front side inner wall rotated the connection, be equipped with in the drive shaft with vice bevel gear meshing connects's main bevel gear, be equipped with in the drive shaft and be located the carousel of broken intracavity, carousel front side terminal surface is equipped with the fixed pin, the stripper plate upside fixed be equipped with fixed pin sliding connection's linking frame, be equipped with in the drive shaft and be located the driving pulley of transmission intracavity, drive shaft rear side power connection have embedded in motor in the transmission chamber rear side inner wall, it is left be equipped with on the transmission shaft and be located the vice band pulley of transmission intracavity, the vice band pulley with be connected with the belt between the driving pulley.
The invention has the beneficial effects that: according to the invention, the left side and the right side simultaneously slide inwards or outwards, the conveying channel is opened by combining the inwards sliding component, and the outwards sliding component is closed, so that coal can be conveyed to one side only, then the synchronous lifting extrusion structure of the coal conveying structure is followed, the coal can be tightly attached to the upper side of the crushing roller, the extrusion crushing project is ensured, and the screen is utilized to screen and screen coal with reasonable granularity, and the granularity uniformity of fine coal crushing is ensured.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of the overall structure of a fine crushing device for ensuring the uniform particle size of crushed coal according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a fine crushing device for ensuring the uniform granularity of crushed coal, which is mainly applied to the fine crushing process for ensuring the uniform granularity of the crushed coal, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a fine crushing device for ensuring the uniform granularity of crushed coal, which comprises a crushing box 11, wherein a crushing cavity 12 with a downward opening is arranged in the crushing box 11, a crushing device 901 for extruding and crushing the coal downwards is arranged in the crushing cavity 12, the crushing device 901 comprises a transmission cavity 46 positioned at the rear side of the crushing cavity 12, the inner wall at the front side of the transmission cavity 46 is rotationally connected with bilaterally symmetrical transmission shafts 33, the transmission shafts 33 are provided with gears 49 which are mutually meshed, the transmission shafts 33 are provided with crushing rollers 34 positioned in the crushing cavity 12, the crushing cavity 12 is slidably connected with an extrusion plate 17 positioned at the upper side of the crushing rollers 34, the extrusion plate 17 moves downwards to provide downward pressure, the coal is kept to be tightly attached to the upper ends of the crushing rollers 34, and the crushing rollers 34 driven by a gear pair rotate relatively, so as to ensure the complete grinding of the coal, the left side and the right side of the crushing cavity 12 are symmetrically provided with conveying cavities 18, connecting holes 38 are communicated between the conveying cavities 18 and the crushing cavity 12, conveying devices 902 for quantitatively pushing coal each time are arranged in the conveying cavities 18, each conveying device 902 comprises a placing plate 50 positioned in the conveying cavity 18, a cushion block 31 slidably connected with the inner wall of the lower side of the conveying cavity 18 is arranged, a translation plate 24 is fixedly arranged on the upper side of the cushion block 31, a conveying channel 37 slidably connected with the rotary groove 28 is arranged on the translation plate 24, a lifting cavity 39 is arranged on the upper side of the conveying channel 37, a baffle 40 capable of sealing the upper sides of the conveying channel 37 and the placing plate 50 is slidably connected with the lower side of the lifting cavity 39, the baffle 40 vertically slides to change the opening and closing of the conveying channel 37, so that when the translation plates 24 are far away from each other, the coal cannot be pushed outwards but are close to each, coal can be pushed into the crushing cavity 12, a driving device 903 for driving the translation plate 24 to slide is arranged between the conveying cavity 18 and the crushing cavity 12, and a synchronizing device 904 for driving the extrusion plate 17 to lift and rotate and work synchronously with the crushing roller 34 is arranged in the transmission cavity 46.
Advantageously, a support frame 32 is fixedly arranged on the lower side of the conveying chamber 18, and the square-edged storage bin is moved to the lower side of the crushing chamber 12.
According to an embodiment, the crushing device 901 is described in detail below, the crushing device 901 further includes a screen 35, which is in mortise and tenon connection with the inner wall of the crushing cavity 12 and is located on the lower side of the crushing drum 34, and the screen 35 screens qualified coal with uniform particle size.
According to the embodiment, the conveying device 902 is described in detail below, the conveying device 902 further includes a guide roller 41 rotatably connected to an inner wall of the lifting cavity 39, a resistance spring 25 is connected between the baffle 40 and an inner wall of a lower side of the lifting cavity 39, a fixing ring 22 is fixedly connected to an inner wall of the conveying cavity 18 away from the crushing cavity 12, a pull rope 23 slidably connected to the guide roller 41 is fixedly connected between the fixing ring 22 and the baffle 40, a rotary groove 28 is provided in the placing plate 50, a rotary plate 27 is rotatably connected to the rotary groove 28, a hinge rod 29 is hinged to a lower end of the rotary plate 27, a roller 30 slidably connected to an upper end face of the cushion block 31 is rotatably connected to a lower end of the hinge rod 29, a placing cavity 26 is provided on an inner wall of the conveying cavity 18 away from the crushing cavity 12 in a penetrating manner, an inclined plate 36 fixedly connected to the rotary groove 28 is provided on the placing plate 50, during the movement of the translating plate 24, the blocking plate 40 moves downward after the pulling rope 23 is loosened due to the elastic force of the resistance spring 25, thereby closing the conveying passage 37.
According to an embodiment, a detailed description is given below for the driving device 903, where the driving device 903 includes a driven shaft 20 rotatably connected to an inner wall of the conveying chamber 18 and extending into the crushing chamber 12, a rotating drum 19 located in the conveying chamber 18 is disposed on the driven shaft 20, a track groove 21 slidably connected to an upper side of the translation plate 24 is disposed on the rotating drum 19, a secondary bevel gear 43 located in the crushing chamber 12 is disposed on the driven shaft 20, and the driven shaft 20 rotates the rotating drum 19 to restrict the translation plate 24 by the inner wall of the track groove 21, so as to drive the translation plate 24 to move left and right.
According to the embodiment, the following describes the synchronizing device 904 in detail, the synchronizing device 904 includes a driving shaft 15 rotatably connected to the front inner wall of the transmission cavity 46, the driving shaft 15 is provided with a primary bevel gear 44 engaged with the secondary bevel gear 43, the driving shaft 15 is provided with a rotating disc 14 located in the crushing cavity 12, the front end face of the rotating disc 14 is provided with a fixing pin 16, the upper side of the pressing plate 17 is fixedly provided with a connecting frame 13 slidably connected to the fixing pin 16, the driving shaft 15 is provided with a primary pulley 42 located in the transmission cavity 46, the rear side of the driving shaft 15 is dynamically connected with a motor 45 embedded in the rear inner wall of the transmission cavity 46, the left side of the transmission shaft 33 is provided with a secondary pulley 48 located in the transmission cavity 46, a belt 47 is connected between the secondary pulley 48 and the primary pulley 42, the motor 45 starts to rotate the driving shaft 15, the rotation of the rotary disk 14 causes the fixed pin 16 to slide in the joint frame 13 to push the extrusion plate 17 to move up and down, the driving shaft 15 causes the left transmission shaft 33 to rotate through belt transmission, and causes the left and right crushing drums 34 to rotate relatively through gear pairs.
The following detailed description of the steps of the fine crushing device for ensuring the uniform particle size of the crushed coal is provided with reference to fig. 1 to 3:
initially, the pressing plate 17 is far from the crushing drum 34, the translating plate 24 is close to the placing chamber 26, and the rotating plate 27 is horizontally placed.
In operation, initial coal is manually placed on the upper sides of the placing plate 50 and the rotating plate 27, the driving shaft 15 is rotated by the starting motor 45, the driving shaft 15 rotates the driven shaft 20 through the meshing transmission of the secondary bevel gear 43 and the primary bevel gear 44, when the driven shaft 20 rotates for half a circle, the rotary drum 19 rotates to limit the translation plate 24 through the inner wall of the track groove 21, so that the translation plates 24 slide close to each other, at the moment, due to the fact that the distance between the guide roller 41 and the fixed ring 22 is increased, the pull rope 23 limits and is reversed through the guide roller 41, the baffle plate 40 is pulled to move upwards and enable the resistance spring 25 to continue elastic potential energy, at the moment, the conveying channel 37 is gradually opened, the coal far away from the crushing cavity 12 side is pushed to the rotating plate 27, meanwhile, the thickness of the release point of the roller 30 and the cushion block 31 is increased, so that the rotating plate 27, the coal falls into the crushing cavity 12 from the connecting hole 38, meanwhile, the rotating power of the driving shaft 15 passes through the main belt wheel 42, the belt 47 and the auxiliary belt wheel 48 at one time to enable the driving shaft 33 on the left side to rotate, the driving shaft 33 on the left side enables the crushing rollers 34 on the left side and the right side to rotate relatively through gear pair transmission, in addition, the driving shaft 15 rotates the rotary table 14, the extrusion plate 17 is pushed to move downwards through the sliding of the fixing pin 16 on the inner wall of the connecting frame 13, the coal is downwards extruded, the coal is enabled to be tightly attached to the upper side surface of the crushing rollers 34 and to be extruded and crushed, then the coal falls onto the screen 35, and the coal with qualified particle size falls from;
the driven shaft 20 continues to rotate for a half turn, and each part is reset for the next operation.
The invention has the beneficial effects that: according to the invention, the left side and the right side simultaneously slide inwards or outwards, the conveying channel is opened by combining the inwards sliding component, and the outwards sliding component is closed, so that coal can be conveyed to one side only, then the synchronous lifting extrusion structure of the coal conveying structure is followed, the coal can be tightly attached to the upper side of the crushing roller, the extrusion crushing project is ensured, and the screen is utilized to screen and screen coal with reasonable granularity, and the granularity uniformity of fine coal crushing is ensured.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (1)
1. The utility model provides a guarantee broken coal even device in small, broken bits of granularity, includes broken case, broken incasement is equipped with the broken chamber that opening is decurrent, its characterized in that: a crushing device is arranged in the crushing cavity; the crushing device comprises a transmission cavity positioned at the rear side of the crushing cavity, the inner wall of the front side of the transmission cavity is rotationally connected with bilaterally symmetrical transmission shafts, gears which are meshed with each other are arranged on the transmission shafts, a crushing roller positioned in the crushing cavity is arranged on the transmission shafts, an extrusion plate positioned on the upper side of the crushing roller is connected in the crushing cavity in a sliding manner, the extrusion plate moves downwards to provide downward pressure, coal is kept to be attached to the upper end of the crushing roller, and the crushing rollers driven by a gear pair rotate relatively, so that the whole grinding of the coal is ensured; the coal conveying device comprises a placing plate positioned in the conveying cavity, a rotary groove is arranged in the placing plate, a cushion block is connected to the inner wall of the lower side of the conveying cavity in a sliding manner, a translation plate is fixedly arranged on the upper side of the cushion block, a conveying channel in sliding connection with the rotary groove is arranged on the translation plate, a lifting cavity is arranged on the upper side of the conveying channel, a baffle plate is connected to the lower side of the lifting cavity in a sliding manner, the opening and closing of the conveying channel is changed by the baffle plate in a vertical sliding manner, the coal cannot be pushed outwards when the translation plates are far away from each other, but the coal can be pushed into the crushing cavity when the translation plates are close to each other, a driving device for driving the translation plate to slide is arranged between the conveying cavity and the crushing cavity, a synchronous device for driving the extrusion plate to lift and synchronously work with the rotation of the crushing roller is arranged in the transmission cavity; a support frame is fixedly arranged at the lower side of the conveying cavity; the crushing device also comprises a screen which is in mortise and tenon connection with the inner wall of the crushing cavity and is positioned on the lower side of the crushing roller; the conveying device further comprises a guide roller rotatably connected with the inner wall of the lifting cavity, a resistance spring is connected between the baffle and the inner wall of the lower side of the lifting cavity, a fixing ring is fixedly connected to the inner wall of the conveying cavity far away from the crushing cavity side, a pull rope slidably connected with the guide roller is fixedly connected between the fixing ring and the baffle, a rotating plate is rotatably connected to the rotating groove, a hinge rod is hinged to the lower end of the rotating plate, a roller slidably connected with the end face of the upper side of the cushion block is rotatably connected to the lower end of the hinge rod, a placing cavity is arranged on the inner wall of the conveying cavity far away from the crushing cavity side in a through mode, and an inclined plate fixedly connected with the rotating groove is arranged; the driving device comprises a driven shaft which is rotatably connected with the inner wall of the conveying cavity and extends into the crushing cavity, a rotary drum positioned in the conveying cavity is arranged on the driven shaft, a track groove in sliding connection with the upper side of the translation plate is arranged on the rotary drum, and an auxiliary bevel gear positioned in the crushing cavity is arranged on the driven shaft; the synchronizer include with the drive shaft that transmission chamber front side inner wall rotated the connection, be equipped with in the drive shaft with the main bevel gear that vice bevel gear meshing connects, be equipped with in the drive shaft and be located the carousel of broken intracavity, carousel front side terminal surface is equipped with the fixed pin, the stripper plate upside fixed be equipped with fixed pin sliding connection's linking frame, be equipped with in the drive shaft and be located the driving pulley of transmission intracavity, drive shaft rear side power connection have embedded in motor in the transmission chamber rear side inner wall, it is left be equipped with on the transmission shaft and be located the secondary pulley of transmission intracavity, the secondary pulley with be connected with the belt between the driving pulley.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244902.5A CN111282646B (en) | 2020-03-31 | 2020-03-31 | Guarantee broken coal even device in small, broken bits of even granularity |
| JP2020114519A JP2021159905A (en) | 2020-03-31 | 2020-07-02 | Fine-crushing device capable of ensuring uniformity of crushed coal grain size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010244902.5A CN111282646B (en) | 2020-03-31 | 2020-03-31 | Guarantee broken coal even device in small, broken bits of even granularity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111282646A CN111282646A (en) | 2020-06-16 |
| CN111282646B true CN111282646B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010244902.5A Active CN111282646B (en) | 2020-03-31 | 2020-03-31 | Guarantee broken coal even device in small, broken bits of even granularity |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2021159905A (en) |
| CN (1) | CN111282646B (en) |
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| CN108187789A (en) * | 2017-12-28 | 2018-06-22 | 南昌华学科技有限公司 | A kind of discarded headlamp breaker of constructing tunnel |
| CN109046663A (en) * | 2018-08-03 | 2018-12-21 | 李雄伟 | A kind of electric energy meter of new material scraps disposition specific purpose tool |
| CN109909046A (en) * | 2019-03-16 | 2019-06-21 | 李正梅 | A kind of coke powder screening installation |
| CN210058146U (en) * | 2019-04-23 | 2020-02-14 | 连云港中意航空材料有限公司 | Quantitative feeding device for polymer production |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021159905A (en) | 2021-10-11 |
| CN111282646A (en) | 2020-06-16 |
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