CN220160149U - Flow blocking device in superfine grinder - Google Patents
Flow blocking device in superfine grinder Download PDFInfo
- Publication number
- CN220160149U CN220160149U CN202321415504.0U CN202321415504U CN220160149U CN 220160149 U CN220160149 U CN 220160149U CN 202321415504 U CN202321415504 U CN 202321415504U CN 220160149 U CN220160149 U CN 220160149U
- Authority
- CN
- China
- Prior art keywords
- arc
- screen
- adjusting
- shaped
- flow blocking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000000903 blocking effect Effects 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 8
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011362 coarse particle Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000009700 powder processing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- -1 thermal power Substances 0.000 description 1
Landscapes
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model relates to the technical field of pulverizer equipment, in particular to a flow blocking device in an ultrafine pulverizer, which comprises a flow blocking screen assembly detachably arranged in a crushing box, wherein the flow blocking screen assembly is arranged below a breaking hammer and comprises an arc-shaped fixed screen and an arc-shaped adjusting screen tightly adhered to the lower part of the arc-shaped fixed screen, adjusting assemblies matched with the two ends of the arc-shaped adjusting screen to drive the arc-shaped adjusting screen to move left and right are arranged between the two ends of the arc-shaped adjusting screen and the crushing box, and arc-shaped carrier plates used for slidably supporting the arc-shaped adjusting screen are arranged in the crushing box and are arranged at the two ends of the arc-shaped adjusting screen and tightly adhered to the lower surface of the end part of the arc-shaped adjusting screen. The utility model is convenient for changing the aperture size of the screen mesh by adjusting, avoids frequently replacing the screen mesh, and is more convenient to use.
Description
Technical Field
The utility model relates to the technical field of pulverizer equipment, in particular to a flow blocking device in a pulverizer.
Background
The pulverizer is widely applied to industries such as chemical industry, mine, steel, thermal power, coal and the like, so as to realize material powder processing, and in the material powder processing process, coarse particle blocking is realized through a flow blocking device, coarse particle discharge is avoided, and a screen is specifically adopted to realize flow blocking coarse particle materials. When the material particles of the existing hammer type grinding crusher flow choking, a fixed screen is adopted, the structure is simple, the size of the screen holes of the screen cannot be adjusted according to requirements, the screen can be replaced frequently, and the operation is complex.
In the prior art, the patent of the utility model with the publication number of CN217940923U discloses an adjustable screening grain device, which is particularly characterized in that a screen structure formed by a first barrier and a second barrier is utilized, and the width of the crossing part of a screening groove on the surface of the screen grain device is adjusted by adjusting the transverse distance between the first barrier and the second barrier, so that the aim of adjusting the screening diameter is fulfilled. However, in practice, the structure is not suitable for the pulverizer structure shown in fig. 6, i.e., the pulverizer structure is not easy to be additionally improved, and therefore, a flow blocking screen which is suitable for the pulverizer shown in fig. 6 and has an adjustable pore size is required.
Disclosure of Invention
The utility model provides a flow blocking device in an ultrafine pulverizer, which aims to solve the technical problem that a screen is inconvenient to adjust the aperture.
In order to solve the problems, the utility model provides a flow blocking device in an ultrafine grinding machine, which adopts the following technical scheme:
the anti-flow screen assembly is arranged in the crushing box in a detachable mode, the anti-flow screen assembly is arranged below the crushing hammer, the anti-flow screen assembly comprises an arc-shaped fixed screen and an arc-shaped adjusting screen which is tightly arranged below the arc-shaped fixed screen, adjusting assemblies which are matched with the arc-shaped adjusting screen to drive the arc-shaped adjusting screen to move left and right are arranged between two ends of the arc-shaped adjusting screen and the crushing box, arc-shaped carrier plates which are used for sliding and supporting the arc-shaped adjusting screen are arranged in the crushing box, and the arc-shaped carrier plates are arranged at two ends of the arc-shaped adjusting screen and are tightly attached to the lower surface of the end portion of the arc-shaped adjusting screen.
Further, the adjusting assembly comprises a locating sleeve arranged on the outer side face of the arc-shaped adjusting screen and an adjusting locating pin arranged at the end of the crushing box in a threaded fit mode, and one end of the adjusting locating pin penetrates through the wall of the crushing box and stretches into the locating sleeve.
Further, a thread sleeve in threaded fit with an adjusting and positioning pin is arranged on the outer wall of the end part of the crushing box, and a locking nut is arranged on the adjusting and positioning pin.
Further, a sealing ring arranged between the lock nut and the thread bush is sleeved on the adjusting and positioning pin.
Further, the upper surface of the arc-shaped carrier plate is provided with an arc-shaped groove corresponding to the positioning sleeve.
Further, limiting convex blocks are arranged on the lower surface of the arc-shaped adjusting screen near two ends.
Further, a flank mounting plate is arranged on one side edge of the arc-shaped fixed screen, and a limit baffle is arranged on one side of the port of the crushing box.
The flow blocking device in the superfine pulverizer provided by the utility model has the beneficial effects that: the choke screen assembly comprises an arc-shaped fixed screen and an arc-shaped adjusting screen which are stacked up and down, and the aperture of the effective mesh is adjusted by adjusting the overlapping degree of the meshes on the upper screen and the lower screen, so that the screens with different apertures are prevented from being frequently replaced; in addition, the arc-shaped adjusting screen is simple in structure, convenient to install on the existing equipment, and practical applicability is improved.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 is an internal representation of a pulverizer incorporating a flow blocking device in accordance with the present utility model;
FIG. 2 is an enlarged partial view of region B of FIG. 1;
FIG. 3 is an enlarged view of a portion of region C of FIG. 1;
FIG. 4 is an exploded view of the choke screen assembly of the present utility model;
FIG. 5 is an enlarged view of a portion of area A of FIG. 4;
FIG. 6 is a schematic view of a pulverizer incorporating a flow blocking device according to the present utility model;
FIG. 7 is an enlarged partial view of region D of FIG. 6;
FIG. 8 is a side view of an arcuate screen for adjusting the fit of an arcuate carrier plate in accordance with the present utility model;
fig. 9 is an enlarged partial end view of fig. 8.
Reference numerals illustrate:
1. a crushing box; 11. an arc-shaped carrier plate; 111. an arc-shaped groove; 12. adjusting the positioning pin; 121. a lock nut; 122. a seal ring; 13. a thread sleeve; 14. a limit baffle; 2. a choke screen assembly; 21. arc-shaped fixed screen mesh; 211. a wing mounting plate; 22. arc-shaped adjusting screen mesh; 221. a positioning sleeve; 222. a limit bump; 3. breaking hammer.
Detailed Description
The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. 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.
Any number of elements in the figures are for illustration and not limitation, and any naming is used for distinction only and not for any limiting sense.
The principles and spirit of the present utility model are explained in detail below with reference to several representative embodiments thereof.
Example 1 of the flow blocking device in an ultrafine pulverizer provided by the utility model:
as shown in fig. 1 to 9, the flow blocking screen assembly 2 in the crushing box 1 can be detached, the flow blocking screen assembly 2 is arranged below the breaking hammer 3, the flow blocking screen assembly 2 comprises an arc-shaped fixed screen 21 and an arc-shaped adjusting screen 22 tightly arranged below the arc-shaped fixed screen 21, adjusting assemblies for driving the arc-shaped adjusting screen 22 to move left and right in a matched mode are arranged between two ends of the arc-shaped adjusting screen 22 and the crushing box 1, an arc-shaped carrier plate 11 for supporting the arc-shaped adjusting screen 22 in a sliding mode is arranged in the crushing box 1, and the arc-shaped carrier plate 11 is arranged at two ends of the arc-shaped adjusting screen 22 and is tightly attached to the lower surface of the end portion of the arc-shaped adjusting screen 22.
The aperture of the effective mesh is adjusted by adjusting the overlapping degree of the meshes between the arc-shaped fixed screen 21 and the arc-shaped adjusting screen 22 which are distributed up and down, so that the screen meshes with different apertures are prevented from being frequently replaced.
The adjusting assembly comprises a positioning sleeve 221 arranged on the outer side face of the arc-shaped adjusting screen 22 and an adjusting positioning pin 12 arranged at the end of the crushing box 1 in a threaded fit mode, one end of the adjusting positioning pin 12 penetrates through the wall of the box body of the crushing box 1 and stretches into the positioning sleeve 221, and threads are arranged on the adjusting positioning pin 12.
The outer wall of the end part of the crushing box 1 is provided with a threaded sleeve 13 in threaded fit with the adjusting and positioning pin 12, and the adjusting and positioning pin 12 is provided with a locking nut 121.
Wherein, the adjusting and positioning pin 12 is sleeved with a sealing ring 122 arranged between the locking nut 121 and the thread sleeve 13.
Wherein, the upper surface of the arc-shaped carrier plate 11 is provided with an arc-shaped groove 111 corresponding to the positioning sleeve 221.
Wherein, the lower surface of the arc-shaped adjusting screen 22 is provided with limiting lugs 222 near two ends.
Wherein, one side edge of the arc-shaped fixed screen 21 is provided with a flank mounting plate 211, and one side of the port of the crushing box 1 is provided with a limit baffle 14.
When the choke screen assembly 2 is installed in specific use, the arc-shaped adjusting screen 22 is installed firstly, the arc-shaped adjusting screen 22 is clamped in the arc-shaped groove 111 correspondingly by the positioning sleeve 221 in the installation process, on one hand, gaps between the arc-shaped adjusting screen 22 and the arc-shaped carrier plate 11 are avoided, on the other hand, positioning installation of the arc-shaped adjusting screen 22 is facilitated, then the adjusting positioning pin 12 penetrates through the sleeve to be inserted into the positioning sleeve 221, and meanwhile auxiliary positioning and locking are realized through the locking nut 121, namely, the arc-shaped adjusting screen 22 is tightly propped up by the adjusting positioning pins 12 at the two ends of the arc-shaped adjusting screen 22.
After the arc-shaped adjusting screen 22 is installed, the arc-shaped fixing screen 21 is installed, the side edge of the arc-shaped fixing screen 21, which is not provided with the flank mounting plates 211, is tightly propped against the lower surface of the limit baffle 14, and the side edge of the arc-shaped fixing screen 21, which is provided with the flank mounting plates 211, is fixed on the crushing box 1 through bolts.
When the aperture is required to be adjusted, the locking nut 121 on the adjusting locating pin 12 is loosened, the adjusting locating pin 12 is rotated after selection, the length of the adjusting locating pin 12 extending into the box body is adjusted, the arc-shaped adjusting screen 22 is pushed to move by the end part propping locating sleeve 221, the overlapping degree of the meshes between the arc-shaped fixed screen 21 and the arc-shaped adjusting screen 22 is adjusted, and when the meshes between the arc-shaped fixed screen 21 and the arc-shaped adjusting screen 22 are completely overlapped, the aperture of the effective meshes is maximum.
It will be further understood by those skilled in the art from the foregoing description of the present specification that terms such as "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like, which refer to an orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings of the present specification, and are for purposes of facilitating the explanation of the aspects of the present utility model and simplifying the description, and do not explicitly or implicitly refer to devices or elements that must have, be constructed and operated in, the particular orientation, and therefore the orientation or positional relationship terms described above should not be interpreted or construed as limiting aspects of the present utility model.
In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.
Claims (7)
1. The utility model provides a choked flow device in superfine grinder, its characterized in that, including dismantling choked flow screen assembly (2) of locating in broken case (1), the below of quartering hammer (3) is located to choked flow screen assembly (2), choked flow screen assembly (2) include arc fixed screen cloth (21) and paste arc regulation screen cloth (22) of tightly locating arc fixed screen cloth (21) below, be equipped with the regulation subassembly that the cooperation drove arc regulation screen cloth (22) left and right movement between the both ends of arc regulation screen cloth (22) and broken case (1), be equipped with arc carrier plate (11) that are used for sliding support arc regulation screen cloth (22) in broken case (1), arc carrier plate (11) are located both ends of arc regulation screen cloth (22) and are pasted tightly with the tip lower surface of arc regulation screen cloth (22).
2. The flow blocking device in an ultrafine pulverizer as defined in claim 1, wherein the adjusting assembly comprises a positioning sleeve (221) arranged on the outer side surface of the arc-shaped adjusting screen (22) and an adjusting positioning pin (12) arranged at the end of the crushing box (1) in a threaded fit manner, and one end of the adjusting positioning pin (12) penetrates through the box body wall of the crushing box (1) and stretches into the positioning sleeve (221).
3. The flow blocking device in the superfine pulverizer as claimed in claim 2, wherein a thread bush (13) in threaded fit with an adjusting and positioning pin (12) is arranged on the outer wall of the end part of the crushing box (1), and a locking nut (121) is arranged on the adjusting and positioning pin (12).
4. A flow blocking device in an ultrafine pulverizer as claimed in claim 3, characterized in that the adjusting and positioning pin (12) is sleeved with a sealing ring (122) arranged between the locking nut (121) and the threaded sleeve (13).
5. The flow blocking device in the superfine pulverizer as claimed in claim 2, wherein the upper surface of the arc-shaped carrier plate (11) is provided with an arc-shaped groove (111) corresponding to the positioning sleeve (221).
6. The device for blocking flow in a superfine pulverizer according to claim 5, wherein the lower surface of the arc-shaped adjusting screen (22) is provided with limiting lugs (222) near two ends.
7. The flow blocking device in the superfine pulverizer according to claim 1, wherein a flank mounting plate (211) is arranged on one side edge of the arc-shaped fixed screen (21), and a limit baffle (14) is arranged on one side of a port of the crushing box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321415504.0U CN220160149U (en) | 2023-06-05 | 2023-06-05 | Flow blocking device in superfine grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321415504.0U CN220160149U (en) | 2023-06-05 | 2023-06-05 | Flow blocking device in superfine grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220160149U true CN220160149U (en) | 2023-12-12 |
Family
ID=89054637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321415504.0U Active CN220160149U (en) | 2023-06-05 | 2023-06-05 | Flow blocking device in superfine grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220160149U (en) |
-
2023
- 2023-06-05 CN CN202321415504.0U patent/CN220160149U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110052394A (en) | A kind of ore screening device with shock-absorbing denoising function | |
| CN220160149U (en) | Flow blocking device in superfine grinder | |
| CN108672056B (en) | Vertical shaft impact crusher | |
| CN208436961U (en) | A kind of refractory brick manufacture tube mill wear-resistant liner | |
| EP2692443A1 (en) | Crusher feed hopper hatch | |
| EP0187252A2 (en) | Impact pulverizer for the size reduction of rock or the like | |
| CN217368642U (en) | Fine powder grinding equipment for quartz materials | |
| CN212943114U (en) | Broken mechanism of lees for fodder | |
| CN209901526U (en) | Hydraulic classification swirler with good screening effect | |
| CN208599839U (en) | A kind of experimental powder mill sieving different-grain diameter | |
| CN208307741U (en) | A kind of feed screw | |
| WO2010108760A1 (en) | Ejecter unit for a road milling machine or the like | |
| CN109158194A (en) | Chocolate grinder with crushing device | |
| CN214766809U (en) | Automatic shunting system for four-layer screening of coal | |
| JPH04118144U (en) | Ball mill flow rate adjustment device | |
| CN220091564U (en) | Lime suspension calciner | |
| CN217190719U (en) | A energy-saving wet-type separates sediment device for ore dressing | |
| CN215029958U (en) | Transmission device for spiral sand washer | |
| CN215464850U (en) | Raymond mill feeding device | |
| CN210875711U (en) | Discharging device of pulverizer | |
| CN217550417U (en) | A filter equipment for breaker is handled to sand | |
| CN215140536U (en) | Protective horizontal ball mill convenient for feeding and discharging | |
| CN217069658U (en) | Distributing device and production line | |
| CN215354546U (en) | Screening plant of vanadium titano-magnetite | |
| CN219502940U (en) | Graphite superfine pulverizer with uniform finished product particles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |