CN220625921U - Crushing screening machine for coal detection - Google Patents
Crushing screening machine for coal detection Download PDFInfo
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- CN220625921U CN220625921U CN202322248805.5U CN202322248805U CN220625921U CN 220625921 U CN220625921 U CN 220625921U CN 202322248805 U CN202322248805 U CN 202322248805U CN 220625921 U CN220625921 U CN 220625921U
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- box body
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- frame
- rotating shaft
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- 239000003245 coal Substances 0.000 title claims abstract description 47
- 238000012216 screening Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000000227 grinding Methods 0.000 claims abstract description 48
- 239000000428 dust Substances 0.000 claims abstract description 34
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 5
- 238000010298 pulverizing process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a crushing and screening machine for coal detection in the technical field of geological coal, which comprises: the main box body is provided with fixed support legs at the bottom, and fixed plates are arranged on the inner walls of the fixed support legs; the outer cover is fixedly arranged at the top of the fixed plate, a driving motor is arranged in the inner cavity of the outer cover, and the output end of the driving motor is connected with a rotating shaft through a speed reducer; the screening box is fixedly arranged in the inner cavity of the main box body, two groups of filter screens are arranged on the outer wall of the inner cavity of the screening box by the rotating shaft, and the top of the rotating shaft is provided with a grinding roller; the grinding wheel is movably mounted at the upper end of the inner cavity of the main box body through the output shaft, a stepping motor is arranged on the rear end face of the main box body, the output end of the stepping motor is connected with the output shaft through a speed reducer, the dust suction box is fixedly mounted on the right end face of the main box body, the working environment is effectively protected, a filter screen is additionally arranged, and pulverized coal is filtered, so that coal particles with uniform size are obtained.
Description
Technical Field
The utility model relates to the technical field of geological coal, in particular to a crushing and screening machine for coal detection.
Background
At present, in the detection process of coal, after the sampling is completed, the collected coal sample is required to be crushed, reduced and dried, the sample meeting the diameter particles required by the coal detection can be obtained, and in the process of coal sample preparation, the reduced coal particles are reasonably and effectively dried, so that a reasonable and effective basis can be provided for subsequent coal detection data, the time for coal detection can be shortened, and the efficiency of coal detection can be improved.
In the two references of "CN 202222100891.0" and "CN 202222104645.2" a pulverizing device for coal detection ", both the pulverizing device for coal detection and the pulverizing device are broken in a pre-breaking manner, and then the pulverizing device further pulverizes coal in a manner that a pulverizing roller drives a pulverizing ring or a pulverizing plate, but in the conventional pulverizing device, since more dust is generated during coal pulverization, no dust-absorbing mechanism seriously pollutes working environment, and no filtering structure capable of uniformly screening is provided after the coal is pulverized, so that the particle size obtained by the pulverized coal is uneven.
For this purpose, we propose a crushing and screening machine for coal detection.
Disclosure of Invention
The utility model aims to provide a crushing and screening machine for coal detection, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: crushing and screening machine for coal detection includes:
the main box body is provided with fixed support legs at the bottom, and fixed plates are arranged on the inner walls of the fixed support legs;
the outer cover shell is fixedly arranged at the top of the fixed plate, a driving motor is arranged in the inner cavity of the outer cover shell, and the output end of the driving motor is connected with a rotating shaft through a speed reducer;
the screening box is fixedly arranged in the inner cavity of the main box body, the rotating shaft extends to the inner side of the screening box, two groups of filter screens are arranged on the outer wall of the inner cavity of the screening box by the rotating shaft, and the top of the rotating shaft is provided with a grinding roller;
the grinding wheel is movably arranged at the upper end of the inner cavity of the main box body through an output shaft, a stepping motor is arranged on the rear end face of the main box body, the output end of the stepping motor is connected with the output shaft through a speed reducer, a baffle plate is arranged on the right side of the top of the main box body, and a feeding hopper is movably arranged on the left end face of the top of the main box body through a shaft;
the dust collection box is fixedly arranged on the right end face of the main box body, the dust collection pipeline is communicated with the dust collection box, and the water outlet end of the dust collection box extends into the inner cavity of the main box body;
the discharging plate frame is fixedly arranged at the top of the inner cavity of the main box body, the bottom of the discharging plate frame is provided with a fixing frame, and the bottom of the fixing frame is fixedly connected with the screening box.
Further, the grinding roller comprises an outer frame fixedly arranged at the bottom of the fixing frame, a grinding disc is fixed in an inner cavity of the outer frame, the rotating shaft extends to the inner side of the outer frame, and the outer wall is provided with a movable grinding roller.
Further, the filter screen includes fixed frame in fixed mounting screening case inner wall, fixed frame's inner chamber sets up the inner skleeve, set up fastening frame and screen cloth between inner skleeve and the fixed frame, the pivot passes the outer wall of inner skleeve and sets up vibrations lug.
Further, the mesh aperture of the filter screen of the upper group is smaller than that of the filter screen of the lower group.
Further, the fixed grinding disc is a stepped grinding disc with the inner diameter decreasing from top to bottom in sequence, and the outer wall of the movable grinding roll is parallel to the opposite end face of the fixed grinding disc.
Further, the right end of the bottom of the feeding hopper is provided with a limiting plate frame, and the limiting plate frame can be vertically attached to the left end face of the main box body.
Compared with the prior art, the utility model has the beneficial effects that: in the using process, the dust collection box is operated simultaneously when coal is crushed, the dust collection box can absorb generated dust through the dust collection channel, the working environment is effectively protected, the filter screen is additionally arranged, and crushed coal is filtered, so that coal particles with uniform size are obtained.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the grinding roll of the present utility model;
FIG. 3 is a schematic diagram of a filter screen according to the present utility model;
FIG. 4 is a schematic view of an inner sleeve structure according to the present utility model;
fig. 5 is a schematic diagram of a vibration bump according to the present utility model.
In the figure: 1. a main case; 2. a fixed support leg; 3. a fixing plate; 4. an outer housing; 5. a driving motor; 6. a rotating shaft; 7. a screening box; 8. a striker plate; 9. a filter screen; 91. a fixed frame; 92. a fastening frame; 93. a screen; 94. an inner sleeve; 95. vibrating the protruding block; 10. a fixing frame; 11. a grinding roller; 111. an outer frame; 112. fixing a grinding disc; 113. a movable grinding roller; 12. a dust suction box; 13. a dust collection pipeline; 14. discharging plate frame; 15. crushing a grinding wheel; 16. and (5) feeding a hopper.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: crushing and screening machine for coal detection includes: the main box body 1, the bottom of the main box body 1 is provided with the fixed supporting leg 2, the fixed supporting leg 2 plays the fixed effect of supporting the main box body 1, the inner wall of the fixed supporting leg 2 is provided with the fixed plate 3, the outer cover shell 4 is fixedly arranged at the top of the fixed plate 3, the inner cavity of the outer cover shell 4 is provided with the driving motor 5, the output end of the driving motor 5 is connected with the rotating shaft 6 through the speed reducer, the driving motor 5 is connected with the power supply through the control switch, the driving motor 5 can drive the rotating shaft 6 to rotate when in operation, the crushed coal can be screened in the screening box 7 when the rotating shaft 6 rotates, the screening box 7 is fixedly arranged in the inner cavity of the main box body 1, the rotating shaft 6 extends to the inner side of the screening box 7, the rotating shaft 6 is provided with two groups of filter screens 9 on the outer wall of the inner cavity of the screening box 7, the top of the rotating shaft 6 is provided with the grinding roller 11, the grinding wheel 15 is crushed, the grinding wheel 15 is movably arranged at the upper end of the inner cavity of the main box body 1 through an output shaft, the rear end face of the main box body 1 is provided with a stepping motor, the output end of the stepping motor is connected with the output shaft through a speed reducer, the grinding wheel 15 is driven to rotate when the stepping motor operates, the grinding wheel 15 can be driven to rotate, coal is crushed through the grinding wheel 15 after entering, the right side of the top of the main box body 1 is provided with a baffle plate 8, the left end face of the top of the main box body 1 is movably provided with an upper hopper 16 through a shaft, the dust collection box 12 is fixedly arranged on the right end face of the main box body 1, the dust collection pipeline 13 is communicated with the dust collection box 12, the water outlet end of the dust collection box 12 extends into the inner cavity of the main box body 1, the dust collection pipeline 13 is connected with the dust collection box 12 through an air pump, generated dust can be absorbed through the dust collection pipeline 13 in the crushing process, and stored in the inner cavity of the dust collection box 12, the discharging plate frame 14, the discharging plate frame 14 is fixedly arranged at the top of the inner cavity of the main box body 1, the bottom of the discharging plate frame 14 is provided with a fixing frame 10, the bottom of the fixing frame 10 is fixedly connected with the screening box 7, and screened coal is discharged from a discharge hole at the bottom of the main box body 1.
Referring to fig. 2, the grinding roller 11 includes an outer frame 111 fixedly installed at the bottom of the fixed frame 10, a fixed grinding disc 112 in an inner cavity of the outer frame 111, a rotating shaft 6 extends to the inner side of the outer frame 111, a movable grinding roller 113 is arranged on the outer wall, broken coal falls into the inner cavity of the grinding roller 11, and then the movable grinding roller 113 is driven to rotate by a driving motor 5 to be matched with the fixed grinding disc 112 for grinding the coal;
referring to fig. 3, the filter screen 9 includes a fixed frame 91 fixedly installed in the inner wall of the screening box 7, an inner sleeve 94 is disposed in an inner cavity of the fixed frame 91, a fastening frame 92 and a screen 93 are disposed between the inner sleeve 94 and the fixed frame 91, a vibration bump 95 is disposed on the outer wall of the inner sleeve 94 through which the rotating shaft 6 passes, and when the rotating shaft 6 rotates, the vibration bump 95 is driven to rotate, so that the vibration bump can contact with the bump in the inner wall of the inner sleeve 94 to vibrate and screen coal;
reference examples: the mesh aperture of the upper group of filter screens 9 is smaller than that of the lower group of filter screens 9, and different apertures are arranged to screen coals with different sizes;
reference examples: the fixed grinding disc 112 is a stepped grinding disc with the inner diameter decreasing from top to bottom in sequence, the outer wall of the movable grinding roll 113 is parallel to the opposite end surface of the fixed grinding disc 112, and the grinding stone is gradually ground and the stress is uniform;
reference examples: the bottom right-hand member of material loading hopper 16 sets up spacing grillage, and spacing grillage can laminate perpendicularly in the left end face of main tank body 1 for when material loading hopper 16 upset to the horizontality, it is spacing to support through spacing grillage, makes things convenient for the material loading.
Examples: during operation, firstly coal is filled into the upper hopper 16, the upper hopper 16 is turned over, the coal can be poured into the inner cavity of the main box body 1, the stepping motor and the driving motor 5 are connected with a power supply through the control switch, the grinding wheel 15 is driven to rotate during operation of the stepping motor, then the coal is crushed during rotation of the grinding wheel 15, the crushed coal enters the inner cavity of the grinding roller 11, the driving motor 5 is driven to rotate by the rotating shaft 6, the movable grinding roller 113 is driven to drive the fixed grinding disc 112 to cooperate, the crushed coal is crushed, the dust suction box 12 is operated at the same time, the generated dust is sucked by the air pump in the inner cavity of the dust suction box 12 through the dust suction pipeline 13, finally the crushed coal falls into the filter screen 9, the inner wall of the inner sleeve 94 is rotationally touched along with the rotating shaft 6 through the vibration convex block 95, the vibration screen 93 is filtered, and finally discharged materials from the bottom of the main box body 1 are taken out.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Crushing and screening machine for coal detection, which is characterized by comprising:
the main box body (1), the bottom of the main box body (1) is provided with fixed support legs (2), and the inner walls of the fixed support legs (2) are provided with fixed plates (3);
the outer cover shell (4), the outer cover shell (4) is fixedly arranged at the top of the fixed plate (3), a driving motor (5) is arranged in an inner cavity of the outer cover shell (4), and the output end of the driving motor (5) is connected with a rotating shaft (6) through a speed reducer;
the screening box (7), screening box (7) is fixedly installed in the inner cavity of the main box body (1), the rotating shaft (6) extends to the inner side of the screening box (7), two groups of filter screens (9) are arranged on the outer wall of the inner cavity of the screening box (7) by the rotating shaft (6), and the top of the rotating shaft (6) is provided with a grinding roller (11);
the grinding wheel (15) is movably mounted at the upper end of the inner cavity of the main box body (1) through an output shaft, a stepping motor is arranged on the rear end face of the main box body (1), the output end of the stepping motor is connected with the output shaft through a speed reducer, a material baffle (8) is arranged on the right side of the top of the main box body (1), and a feeding hopper (16) is movably arranged on the left end face of the top of the main box body (1) through a shaft;
the dust collection device comprises a main box body (1), a dust collection pipeline (13), a dust collection box (12), a dust collection pipeline (13) and a water outlet end of the dust collection box (12), wherein the dust collection box (12) is fixedly arranged on the right end face of the main box body (1), the dust collection pipeline (13) is communicated with the dust collection box (12), and the water outlet end of the dust collection box (12) extends into an inner cavity of the main box body (1);
the discharging plate frame (14), the discharging plate frame (14) is fixedly arranged at the top of the inner cavity of the main box body (1), the bottom of the discharging plate frame (14) is provided with a fixing frame (10), and the bottom of the fixing frame (10) is fixedly connected with the screening box (7).
2. The crushing and screening machine for coal detection according to claim 1, wherein: the grinding roller (11) comprises an outer frame (111) fixedly arranged at the bottom of the fixed frame (10), a grinding disc (112) is fixed in an inner cavity of the outer frame (111), the rotating shaft (6) extends to the inner side of the outer frame (111), and a movable grinding roller (113) is arranged on the outer wall of the rotating shaft.
3. The crushing and screening machine for coal detection according to claim 1, wherein: the filter screen (9) comprises a fixed frame (91) fixedly installed in the inner wall of the screening box (7), an inner sleeve (94) is arranged in the inner cavity of the fixed frame (91), a fastening frame (92) and a screen (93) are arranged between the inner sleeve (94) and the fixed frame (91), and a vibration lug (95) is arranged on the rotating shaft (6) penetrating through the outer wall of the inner sleeve (94).
4. The crushing and screening machine for coal detection according to claim 1, wherein: the mesh aperture of the upper group of filter screens (9) is smaller than the mesh aperture of the lower group of filter screens (9).
5. The crushing and screening machine for coal detection according to claim 2, wherein: the fixed grinding disc (112) is a stepped grinding disc with the inner diameter decreasing from top to bottom in sequence, and the outer wall of the movable grinding roller (113) is parallel to the opposite end face of the fixed grinding disc (112).
6. The crushing and screening machine for coal detection according to claim 1, wherein: the right end of the bottom of the feeding hopper (16) is provided with a limiting plate frame, and the limiting plate frame can be vertically attached to the left end face of the main box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322248805.5U CN220625921U (en) | 2023-08-21 | 2023-08-21 | Crushing screening machine for coal detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322248805.5U CN220625921U (en) | 2023-08-21 | 2023-08-21 | Crushing screening machine for coal detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220625921U true CN220625921U (en) | 2024-03-19 |
Family
ID=90214841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322248805.5U Active CN220625921U (en) | 2023-08-21 | 2023-08-21 | Crushing screening machine for coal detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220625921U (en) |
-
2023
- 2023-08-21 CN CN202322248805.5U patent/CN220625921U/en active Active
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