CN219816449U - Three-dimensional grinding device for coal dust preparation - Google Patents
Three-dimensional grinding device for coal dust preparation Download PDFInfo
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- CN219816449U CN219816449U CN202321214979.3U CN202321214979U CN219816449U CN 219816449 U CN219816449 U CN 219816449U CN 202321214979 U CN202321214979 U CN 202321214979U CN 219816449 U CN219816449 U CN 219816449U
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- grinding
- fixedly connected
- grinding disc
- mounting box
- disc
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- 238000000227 grinding Methods 0.000 title claims abstract description 125
- 238000002360 preparation method Methods 0.000 title claims description 8
- 239000002817 coal dust Substances 0.000 title description 17
- 239000003245 coal Substances 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 10
- 244000309464 bull Species 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a three-dimensional grinding device for preparing pulverized coal, which belongs to the technical field of grinding equipment, and the technical scheme is characterized by comprising a grinding disc, wherein a plurality of evenly distributed blanking holes are formed in the inner bottom end of the grinding disc in a penetrating way, a grinding roller is arranged above the grinding disc, the upper end surface of the grinding roller is fixedly connected with a transmission shaft, the other end of the transmission shaft is connected with a power shaft of a grinding machine, an anti-blocking device is arranged on the right side of the grinding disc, the transmission shaft and the grinding roller at the bottom end of the transmission shaft are driven to rotate by the power shaft of the grinding machine, coal blocks in the grinding disc are ground, when a pulverized coal accumulation phenomenon occurs in the grinding process, the grinding disc can do left-right reciprocating movement by the arrangement of the anti-blocking device, so that the pulverized coal in the grinding disc turns, the accumulated pulverized coal is flattened, the distribution is even, the blocking phenomenon of the plurality of blanking holes is avoided, the working efficiency is influenced, and the device is beneficial to use.
Description
Technical Field
The utility model relates to the technical field of grinding equipment, in particular to a three-dimensional grinding device for preparing pulverized coal.
Background
Pulverized coal is one of the main fuels commonly used in some smelters. The preparation of powdered coal is to grind raw coal into dry powder with the granularity of 0-1000 microns according to the production requirement. It includes two portions of raw coal preparation and grinding coal. The raw coal preparation aims at supplying raw coal with a certain lump size in the coal grinding process, and the raw coal preparation comprises the steps of storing raw coal and carrying out primary crushing, removing metal matters included in the raw coal, protecting coal grinding equipment, wherein the coal grinding comprises two main operations of drying and grinding coal, and a grinding device is needed in the grinding process.
The existing three-dimensional grinding device for preparing coal dust is uneven in internal distribution of a grinding disc due to the fact that coal dust is accumulated in the grinding process, blanking holes are easy to be blocked, working efficiency is seriously affected, and the device is not beneficial to use.
Disclosure of Invention
The present utility model is directed to solving the above problems by providing a three-dimensional grinding device for preparing pulverized coal.
The utility model is realized in such a way that a three-dimensional grinding device for preparing coal dust comprises:
the grinding disc is internally provided with a plurality of evenly distributed blanking holes in a penetrating mode at the bottom end, a grinding roller is arranged above the grinding disc, the upper end face of the grinding roller is fixedly connected with a transmission shaft, and the other end of the transmission shaft is connected with a power shaft of a grinding machine;
the anti-blocking device is arranged on the right side of the grinding disc and used for preventing a plurality of blanking holes from being blocked, the anti-blocking device comprises a mounting box, a movable plate is movably connected inside the mounting box, a push-pull rod is fixedly connected to the left side of the movable plate, and the left end of the push-pull rod penetrates through the left side wall of the mounting box and extends to the left side of the mounting box and is fixedly connected with the grinding disc;
the rotary rod is rotatably connected between the upper side and the lower side of the inside of the installation box through a bearing, the outer wall of the rotary rod is fixedly connected with a cam, springs are fixedly connected on the upper side and the lower side of the left end face of the movable plate, and the other ends of the springs are fixedly connected with the left side of the inner wall of the installation box.
In order to support and fix the device and improve the overall stability of the device, the three-dimensional grinding device for preparing the pulverized coal is preferable in the utility model, a U-shaped frame is arranged below the grinding disc, a telescopic rod is fixedly connected to the left side wall of the grinding disc, the other end of the telescopic rod is fixedly connected with the left side of the inside of the U-shaped frame, and the right end of the mounting box is fixedly connected with the right side of the inside of the U-shaped frame.
In order to facilitate the left-right repeated motion of the grinding disc and avoid the accumulation of coal dust in the grinding disc, the three-dimensional grinding device for preparing coal dust is preferable in the utility model, the upper end surface of the mounting box is provided with a motor, and the output end of the motor penetrates through the upper end surface of the mounting box and extends into the mounting box to be fixedly connected with the rotating rod.
In order to facilitate the grinding operation of the grinding roller inside the grinding pan, as one of the stereoscopic grinding apparatuses for pulverized coal production of the present utility model, it is preferable that the grinding roller has a diameter smaller than the inner diameter of the grinding pan.
In order to improve the grinding effect on the coal briquette, as a preferable stereoscopic grinding device for preparing pulverized coal of the present utility model, the lower end surface of the grinding roller is provided with a plurality of uniformly distributed protrusions.
In order to reduce friction between the cam and the movable plate and reduce abrasion of the device, the three-dimensional grinding device for preparing the pulverized coal is preferable to be used, wherein a mounting frame is fixedly connected to the telecentric point of the cam, and a roller is rotatably connected to the inside of the mounting frame.
Compared with the prior art, the utility model has the beneficial effects that:
this kind of three-dimensional grinder is used in buggy preparation drives the grinding roller rotation of transmission shaft and transmission shaft bottom through the power shaft of grinding machine, grind the inside coal cinder of grinding disc, when the grinding in-process, when appearing buggy pile up the phenomenon, through anti-clogging device's setting, can prevent that a plurality of unloading holes from blockking up, specifically, the cam rotates, when the telecentric point of cam contacts with the right-hand member face of fly leaf, promote the fly leaf and left-hand member's abrasive disc left end is moved left to the push-pull rod, two springs receive the extrusion and shrink, when the telecentric point of cam is kept away from the right-hand member face of fly leaf, force that forces two spring contractions disappears, two springs are automatic to rebound, promote the fly leaf to move right, make the abrasive disc right-hand member simultaneously, through the cam continuous rotation, can make the inside buggy of abrasive disc turn about, the buggy of pile up is flattened, the distribution is even, avoid a plurality of unloading holes to take place to block up the phenomenon, influence work efficiency, the use of device is favorable to.
Drawings
FIG. 1 is a perspective view of the whole structure of the present utility model;
FIG. 2 is a front cross-sectional view of the mounting box of the present utility model;
fig. 3 is a bottom view of the grinding roll of the present utility model.
In the figure, 1, a grinding disc; 2. a blanking hole; 3. a grinding roller; 4. a transmission shaft; 5. an anti-blocking device; 6. a mounting box; 7. a movable plate; 8. a push-pull rod; 9. a rotating rod; 10. a cam; 11. a spring; 12. a U-shaped frame; 13. a telescopic rod; 14. a motor; 15. a bump; 16. a mounting frame; 17. and a roller.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 3, a three-dimensional grinding device for preparing pulverized coal comprises:
the grinding device comprises a grinding disc 1, wherein a plurality of evenly distributed blanking holes 2 are formed in the bottom end of the inside of the grinding disc 1 in a penetrating manner, a grinding roller 3 is arranged above the grinding disc 1, the upper end face of the grinding roller 3 is fixedly connected with a transmission shaft 4, and the other end of the transmission shaft 4 is connected with a power shaft of a grinding machine;
the anti-blocking device 5 is arranged on the right side of the grinding disc 1 and used for preventing a plurality of blanking holes 2 from being blocked, the anti-blocking device 5 comprises a mounting box 6, a movable plate 7 is movably connected inside the mounting box 6, a push-pull rod 8 is fixedly connected to the left side of the movable plate 7, and the left end of the push-pull rod 8 penetrates through the left side wall of the mounting box 6 and extends to the left side of the mounting box 6 and is fixedly connected with the grinding disc 1;
the inside of install bin 6 is connected with bull stick 9 through the bearing rotation between the upper and lower both sides, and the outer wall fixedly connected with cam 10 of bull stick 9, the equal fixedly connected with spring 11 of both sides about the left end face of fly leaf 7, the other end of two springs 11 all with the inner wall left side fixed connection of install bin 6.
In this embodiment: the power shaft of the grinding machine drives the transmission shaft 4 and the grinding roller 3 at the bottom end of the transmission shaft 4 to rotate so as to grind coal blocks in the grinding disc 1, when coal dust accumulation phenomenon occurs in the grinding process, through the arrangement of the anti-blocking device 5, a plurality of blanking holes 2 can be prevented from being blocked, particularly the cam 10 rotates, when the telecentric point of the cam 10 contacts with the right end surface of the movable plate 7, the movable plate 7 is pushed to move leftwards, the two springs 11 are extruded to shrink, the movable plate 7 pushes the push-pull rod 8 and the grinding disc 1 at the left end of the push-pull rod 8 to move leftwards, when the telecentric point of the cam 10 is far away from the right end surface of the movable plate 7, the acting force for forcing the shrinkage of the two springs 11 disappears, the two springs 11 automatically rebound to push the movable plate 7 to move rightwards, meanwhile, the grinding disc 1 is enabled to move rightwards, the cam 10 continuously rotates, the grinding disc 1 can reciprocate leftwards, the coal dust in the grinding disc 1 is enabled to turn, accumulated coal dust is evenly distributed, the plurality of blanking holes 2 are prevented from being blocked, the work efficiency is affected, and the use of the device is facilitated.
As a technical optimization scheme of the utility model, a U-shaped frame 12 is arranged below the grinding disc 1, a telescopic rod 13 is fixedly connected to the left side wall of the grinding disc 1, the other end of the telescopic rod 13 is fixedly connected with the left side inside the U-shaped frame 12, and the right end of the installation box 6 is fixedly connected with the right side inside the U-shaped frame 12.
In this embodiment: through the setting of U type frame 12, have the fixed effect of support to the device, improved the holistic stability of device, through the setting of telescopic link 13, be convenient for cooperate abrasive disc 1 to control and remove.
As a technical optimization scheme of the utility model, the motor 14 is installed on the upper end surface of the installation box 6, and the output end of the motor 14 penetrates through the upper end surface of the installation box 6 and extends into the installation box 6 to be fixedly connected with the rotating rod 9.
In this embodiment: through the setting of motor 14, cam 10 that is convenient for drive bull stick 9 and bull stick 9 outer wall rotates, and the drive grinding plate 1 controls the repetitive motion, avoids grinding plate 1 inside buggy to take place to pile up.
As a technical optimization of the utility model, the diameter of the grinding roller 3 is smaller than the inner diameter of the grinding disc 1.
In this embodiment: by the diameter of the grinding roller 3 being smaller than the inner diameter of the grinding disc 1, the grinding roller 3 is convenient to enter the grinding disc 1 for grinding operation.
As a technical optimization scheme of the utility model, the lower end face of the grinding roller 3 is provided with a plurality of evenly distributed convex blocks 15.
In this embodiment: by the arrangement of the plurality of convex blocks 15, the friction force between the grinding roller 3 and the coal blocks is increased, and the grinding effect on the coal blocks is improved.
As a technical optimization scheme of the utility model, a mounting frame 16 is fixedly connected to the telecentric point of the cam 10, and a roller 17 is rotatably connected to the inside of the mounting frame 16.
In this embodiment: by the arrangement of the mounting frame 16 and the roller 17, friction between the cam 10 and the movable plate 7 is reduced, and abrasion of the device is reduced.
The working principle and the using flow of the utility model are as follows: when the coal grinding device is used, firstly, coal blocks are placed in the grinding disc 1, the power shaft of the grinding machine drives the transmission shaft 4 and the grinding roller 3 at the bottom end of the transmission shaft 4 to rotate, the coal blocks in the grinding disc 1 are ground, when the coal dust accumulation phenomenon occurs in the grinding process, the two springs 11 automatically rebound to push the movable disc 7 to move rightwards, and meanwhile, the grinding disc 1 is enabled to move rightwards through continuous rotation of the cam 10, so that the grinding disc 1 can reciprocate leftwards and rightwards through the continuous rotation of the cam 10, the coal dust inside the grinding disc 1 is enabled to be overturned, the two springs 11 are extruded to shrink, the movable disc 7 pushes the push-pull rod 8 and the grinding disc 1 at the left end of the push-pull rod 8 to move leftwards, when the telecentric point of the cam 10 is far away from the right end face of the movable disc 7, the acting force for shrinking the two springs 11 is forced to disappear, and the movable disc 7 is pushed to move rightwards, meanwhile, the grinding disc 1 is enabled to continuously rotate through an external power supply, the left and right reciprocating motion is enabled to be enabled to move, when the coal dust is accumulated inside the grinding disc 1, the coal dust is evenly distributed, and the coal dust is prevented from being blocked, and the coal dust is uniformly accumulated, and the coal dust is uniformly is caused.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a three-dimensional grinder is used in buggy preparation which characterized in that includes:
the grinding device comprises a grinding disc (1), wherein a plurality of evenly distributed blanking holes (2) are formed in the bottom end of the inside of the grinding disc (1) in a penetrating mode, a grinding roller (3) is arranged above the grinding disc (1), a transmission shaft (4) is fixedly connected to the upper end face of the grinding roller (3), and the other end of the transmission shaft (4) is connected with a power shaft of a grinding machine;
the anti-blocking device (5), anti-blocking device (5) is arranged on the right side of the grinding disc (1) and used for preventing a plurality of blanking holes (2) from being blocked, the anti-blocking device (5) comprises a mounting box (6), a movable plate (7) is movably connected in the mounting box (6), a push-pull rod (8) is fixedly connected to the left side of the movable plate (7), and the left end of the push-pull rod (8) penetrates through the left side wall of the mounting box (6) and extends to the left side of the mounting box (6) and is fixedly connected with the grinding disc (1);
the novel rotary rod is characterized in that a rotary rod (9) is rotatably connected between the upper side and the lower side of the inside of the installation box (6) through a bearing, a cam (10) is fixedly connected to the outer wall of the rotary rod (9), springs (11) are fixedly connected to the upper side and the lower side of the left end face of the movable plate (7), and the other ends of the springs (11) are fixedly connected with the left side of the inner wall of the installation box (6).
2. The stereoscopic grinding device for preparing pulverized coal according to claim 1, wherein: the grinding disc is characterized in that a U-shaped frame (12) is arranged below the grinding disc (1), a telescopic rod (13) is fixedly connected to the left side wall of the grinding disc (1), the other end of the telescopic rod (13) is fixedly connected with the left side of the U-shaped frame (12), and the right end of the mounting box (6) is fixedly connected with the right side of the U-shaped frame (12).
3. The stereoscopic grinding device for preparing pulverized coal according to claim 1, wherein: the motor (14) is installed to the up end of mounting box (6), the output of motor (14) runs through the up end of mounting box (6) and extends to the inside of mounting box (6) and with bull stick (9) fixed connection.
4. The stereoscopic grinding device for preparing pulverized coal according to claim 1, wherein: the diameter of the grinding roller (3) is smaller than the inner diameter of the grinding disc (1).
5. The stereoscopic grinding device for preparing pulverized coal according to claim 1, wherein: the lower end face of the grinding roller (3) is provided with a plurality of evenly distributed lugs (15).
6. The stereoscopic grinding device for preparing pulverized coal according to claim 1, wherein: the cam is characterized in that an installation frame (16) is fixedly connected to the telecentric point of the cam (10), and a roller (17) is rotatably connected to the inside of the installation frame (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321214979.3U CN219816449U (en) | 2023-05-19 | 2023-05-19 | Three-dimensional grinding device for coal dust preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321214979.3U CN219816449U (en) | 2023-05-19 | 2023-05-19 | Three-dimensional grinding device for coal dust preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219816449U true CN219816449U (en) | 2023-10-13 |
Family
ID=88273162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321214979.3U Active CN219816449U (en) | 2023-05-19 | 2023-05-19 | Three-dimensional grinding device for coal dust preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219816449U (en) |
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2023
- 2023-05-19 CN CN202321214979.3U patent/CN219816449U/en active Active
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