CN221231073U - Feeding device with pre-screening function for coal mine - Google Patents
Feeding device with pre-screening function for coal mine Download PDFInfo
- Publication number
- CN221231073U CN221231073U CN202322973023.8U CN202322973023U CN221231073U CN 221231073 U CN221231073 U CN 221231073U CN 202322973023 U CN202322973023 U CN 202322973023U CN 221231073 U CN221231073 U CN 221231073U
- Authority
- CN
- China
- Prior art keywords
- screening
- box body
- plates
- feeding
- feeding box
- 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
- 238000012216 screening Methods 0.000 title claims abstract description 107
- 239000003245 coal Substances 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 40
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 239000010419 fine particle Substances 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000007873 sieving Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model provides a feeding device with a pre-screening function for a coal mine, which comprises a feeding box body, a pre-screening mechanism, a material blocking structure, a material collecting box, a first connecting structure, a second connecting structure, a mounting structure and a reinforcing rib structure, wherein the feeding box body is provided with a first connecting structure and a second connecting structure; the top of the feeding box body is provided with a feeding hole, the bottom of the feeding box body is provided with a material distributing hole, the front end surface of the feeding box body is provided with a discharging hole, the pre-screening mechanism is arranged in the feeding box body, and the material blocking structure is arranged below the discharging hole; the pre-screening mechanism comprises a plurality of screen plates and a plurality of distance-adjusting mechanisms. The feeding device with the pre-screening function for the coal mine solves the problems that the coal mine screening equipment in the related art lacks the pre-screening function, and a large amount of impurities and fine particles need to be treated by the coal mine screening equipment, so that the load and the operation time of the equipment are increased, and the production efficiency of the equipment is reduced.
Description
Technical Field
The utility model belongs to the technical field of coal mine screening, and particularly relates to a feeding device with a pre-screening function for a coal mine.
Background
Coal mine screening equipment is equipment used for finely classifying and separating raw coal in a coal mine production process. They are typically composed of vibrating screens, drum screens, cyclones, flotation machines, etc. for classifying coal into different grades or separating coal from rock according to the particle size, density and other properties of the coal. Because the coal mine screening apparatus in the related art lacks a pre-screening function, the coal mine screening apparatus needs to process a large amount of impurities and fine particles, and thus the load and the operation time of the apparatus can be increased, and the production efficiency thereof can be reduced. Meanwhile, as the sieve holes are blocked, the equipment may need to be frequently shut down and cleaned, and the production efficiency is further reduced.
Disclosure of Invention
In view of this, the present utility model aims to solve at least one of the related technical problems to some extent.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a feeding device with a pre-screening function for a coal mine comprises a feeding box body, a pre-screening mechanism, a material blocking structure, a material collecting box, a first connecting structure, a second connecting structure, a mounting structure and a reinforcing rib structure;
The top of the feeding box body is provided with a feeding hole, the bottom of the feeding box body is provided with a material distributing hole, the front end face of the feeding box body is provided with a discharging hole, the pre-screening mechanism is arranged in the feeding box body, and the material blocking structure is arranged below the discharging hole;
The pre-screening mechanism comprises a plurality of screening plates and a plurality of distance-adjusting mechanisms, a plurality of screening grooves are arranged on each screening plate, the screening plates are obliquely arranged in the feeding box from top to bottom, the screening plates positioned below are all in sliding connection with the adjacent screening plates above through a guide structure, and the left end and the right end of each screening plate are all connected with the inner wall of the feeding box through one distance-adjusting mechanism;
The installation structure and the reinforcing rib structure are arranged at the bottom of the feeding box body, the installation structure is used for being matched with the material collecting box, the first connecting structure is arranged at the top of the feeding box body and is used for being connected with a feeding groove, the second connecting structure is arranged on the front end face of the feeding box body and is used for being connected with a box body of coal mine screening equipment.
Further, the guide structure comprises a plurality of guide sliding grooves and a plurality of guide plates, wherein the guide sliding grooves are uniformly arranged on the upper end face of the screen plate positioned below, the guide plates are uniformly arranged on the lower end face of the screen plate adjacent to the upper end face of the screen plate, and each guide sliding groove is correspondingly and slidably connected with one guide plate.
Further, the number of the guide sliding grooves and the guide plates is three.
Further, the adjustable distance mechanism comprises a fixed plate and a plurality of positioning holes, the positioning holes are obliquely and uniformly arranged on the side wall of the feeding box body, the fixed plate is connected with the end part of the screen plate, the fixed plate can slide along the arrangement direction of the positioning holes, and each positioning hole can be detachably connected with the fixed plate.
Further, the pre-screening mechanism further comprises a plurality of screening groove adjusting mechanisms, each screening groove is correspondingly provided with a screening groove adjusting mechanism, each screening groove adjusting mechanism comprises a cross rod and a sliding block structure, the cross rods are arranged in the screening grooves, and the cross rods are in sliding connection with the screen plates through the sliding block structures.
Further, the mounting structure comprises two mounting plates, the two mounting plates are symmetrically arranged at the left side and the right side of the material distributing opening, and each mounting plate is connected with the material inlet box body.
Further, the reinforcing rib structure comprises four square steel pipes, the four square steel pipes are uniformly arranged at the bottom of the feeding box body in circumference, and the four square steel pipes are all arranged above the mounting plate.
Further, the first connecting structure comprises four first connecting plates, the four first connecting plates are uniformly arranged on the circumference of the first connecting plates and are arranged on the outer side of the feeding port, and the four first connecting plates are connected with the feeding box body.
Further, the second connection structure comprises three second connection plates and two third connection plates, wherein the three second connection plates are arranged on the outer side of the discharge hole, and the two third connection plates are symmetrically arranged on the left side and the right side of the discharge hole.
Furthermore, the left end and the right end of the feeding box body are respectively provided with a lifting lug.
Compared with the prior art, the feeding device with the pre-screening function for the coal mine has the following advantages:
According to the feeding device with the pre-screening function for the coal mine, disclosed by the utility model, the pre-screening mechanism screens through the plurality of screen plates and the screen grooves, so that raw materials can be effectively subjected to preliminary separation and classification, and the screening efficiency is improved; because a plurality of sieve grooves are arranged on the sieve plate, the materials can more easily pass through sieve holes when passing through the pre-screening mechanism, and the possibility of blocking and adhesion is reduced. The use of multiple screen panels in the pre-screening mechanism can increase the screening area of the feed box, thereby improving the processing capacity and enabling the device to process more materials. Through the sieve groove adjustment mechanism in the adjustment pre-screening mechanism, the width and the depth of the sieve groove can be changed, so that the adjustment of the screening effect is realized, and the requirements of different materials are met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a feeding device with a pre-screening function for a coal mine according to an embodiment of the utility model;
FIG. 2 is a front view of a feeding device with a pre-screening function for a coal mine according to an embodiment of the utility model;
FIG. 3 is a side view of a pre-screening function feed device for a coal mine according to an embodiment of the utility model;
Fig. 4 is a front view of the structure of the pre-screening mechanism according to the embodiment of the present utility model.
Reference numerals illustrate:
101. Feeding a material box; 102. lifting lugs; 201. a first connection structure; 301. a reinforcing rib structure; 501. a material blocking structure; 502. a second connecting plate; 503. a third connecting plate; 601. a sieve plate; 602. positioning holes; 603. a sieve groove; 604. a guide plate; 605. a guide chute; 606. a fixing plate; 701. and (3) mounting a plate.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying 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 thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
A feeding device with a pre-screening function for a coal mine, as shown in fig. 1, comprises a feeding box body 101, a pre-screening mechanism, a material blocking structure 501, a material collecting box, a first connecting structure 201, a second connecting structure, a mounting structure and a reinforcing rib structure 301;
The top of the feeding box body 101 is provided with a feeding hole, the bottom of the feeding box body 101 is provided with a material distributing hole, the front end surface of the feeding box body 101 is provided with a discharging hole, the pre-screening mechanism is arranged in the feeding box body 101, and the material blocking structure 501 is arranged below the discharging hole; in this embodiment, the material blocking structure 501 is a material blocking plate, the material blocking plate is connected with the feeding box 101, and the left end and the right end of the feeding box 101 are respectively provided with a lifting lug 102.
As shown in fig. 4, the pre-screening mechanism includes a plurality of screening plates 601 and a plurality of distance-adjusting mechanisms, each screening plate 601 is provided with a plurality of screening grooves 603 in an arrangement manner, the screening plates 601 are arranged in the feeding box body 101 in an inclined manner from top to bottom, the screening plates 601 positioned below are all connected with the adjacent screening plates 601 above in a sliding manner through a guiding structure, and the left end and the right end of each screening plate 601 are connected with the inner wall of the feeding box body 101 through one distance-adjusting mechanism; the pre-screening mechanism further comprises a plurality of screening groove adjusting mechanisms, which are not shown in the drawings, each screening groove 603 is internally provided with a corresponding screening groove adjusting mechanism, each screening groove adjusting mechanism comprises a cross rod and a sliding block structure, the cross rods are arranged in the screening grooves 603 and are in sliding connection with the screen plate 601 through the sliding block structures, and the sliding direction of the sliding block structures is perpendicular to the sliding direction of the fixing plate 606. The pre-screening mechanism screens through a plurality of screen plates 601 and screen grooves 603, so that raw materials can be effectively subjected to preliminary separation and classification, and the screening efficiency is improved; since the screen deck 601 has a plurality of screen slots 603 arranged thereon, the material can more easily pass through the screen holes as it passes through the pre-screening mechanism, reducing the likelihood of plugging and sticking. The use of multiple screen panels 601 in the pre-screening mechanism may increase the screening area of the feed bin 101, thereby increasing throughput and enabling the apparatus to handle more material. Through the adjustment of the adjusting mechanism of the sieving groove 603 in the pre-sieving mechanism, the width and the depth of the sieving groove 603 can be changed, so that the adjustment of sieving effect is realized, and the requirements of different materials are met.
The pre-screening mechanism can perform preliminary separation and rejection on the materials before the materials enter the coal mine screening equipment, and most of impurities and fine particles are removed from the raw materials. Thus, the amount of impurities and fine particles to be treated in the subsequent screening process can be reduced, and the load of equipment is reduced. Because the pre-screening mechanism can remove most of impurities and fine particles, the amount of materials to be processed in the subsequent screening process of the coal mine screening equipment is reduced. This reduces the processing time of the apparatus and improves the production efficiency, since the apparatus no longer has to spend excessive time processing useless impurities and fine particles. The pre-screening mechanism reduces the load of coal mine screening equipment by pre-removing impurities and fine particles. The apparatus only needs to process the pre-screened relatively pure material, reducing the risk of clogging and sticking of the screen 601, reducing the frequency of maintenance and cleaning of the apparatus, and thus extending the life of the apparatus.
As shown in fig. 1-3, the mounting structure and the reinforcing rib structure 301 are all arranged at the bottom of the feeding box body 101, the mounting structure is used for being matched with the material collecting box, the first connecting structure 201 is arranged at the top of the feeding box body 101, the first connecting structure 201 is used for being connected with a feeding groove, the second connecting structure is arranged at the front end face of the feeding box body 101, and the second connecting structure is used for being connected with a box body of the coal mine screening device.
The guide structure comprises a plurality of guide sliding grooves 605 and a plurality of guide plates 604, wherein the plurality of guide sliding grooves 605 are uniformly arranged on the upper end face of the lower sieve plate 601, the plurality of guide plates 604 are uniformly arranged on the lower end face of the upper adjacent sieve plate 601, and each guide sliding groove 605 is correspondingly in sliding connection with one guide plate 604. In this embodiment, the number of the guide sliding grooves 605 and the guide plates 604 is three.
The distance adjusting mechanism comprises a fixed plate 606 and a plurality of positioning holes 602, wherein the plurality of positioning holes 602 are obliquely and uniformly arranged on the side wall of the feeding box body 101, the fixed plate 606 is connected with the end part of the screen plate 601, the fixed plate 606 can slide along the arrangement direction of the positioning holes 602, and each positioning hole 602 can be connected with the fixed plate 606 through a positioning pin or a screw.
The mounting structure comprises two mounting plates 701, the two mounting plates 701 are symmetrically arranged at the left side and the right side of the material distributing opening, and each mounting plate 701 is connected with the material inlet box body 101.
The reinforcing rib structure 301 comprises four square steel pipes, the circumferences of the four square steel pipes are uniformly arranged at the bottom of the feeding box body 101, and the four square steel pipes are all arranged above the mounting plate 701.
The first connecting structure 201 comprises four first connecting plates, the four first connecting plates are uniformly arranged on the outer side of the feeding hole in circumference, the four first connecting plates are connected with the feeding box body 101, and the four first connecting plates are connected with the feeding groove.
The second connection structure comprises three second connection plates 502 and two third connection plates 503, wherein the three second connection plates 502 are arranged outside the discharge hole, the two third connection plates 503 are symmetrically arranged on the left side and the right side of the discharge hole, and the three second connection plates 502 and the two third connection plates 503 are connected with the coal mine screening equipment box body.
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, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A have a screening function pan feeding device in advance for colliery, its characterized in that: the device comprises a feeding box body (101), a pre-screening mechanism, a material blocking structure (501), a material collecting box, a first connecting structure (201), a second connecting structure, a mounting structure and a reinforcing rib structure (301);
The feeding device is characterized in that a feeding hole is formed in the top of the feeding box body (101), a material distributing hole is formed in the bottom of the feeding box body (101), a discharging hole is formed in the front end face of the feeding box body (101), the pre-screening mechanism is arranged in the feeding box body (101), and the material blocking structure (501) is arranged below the discharging hole;
The pre-screening mechanism comprises a plurality of screening plates (601) and a plurality of distance-adjusting mechanisms, a plurality of screening grooves (603) are formed in each screening plate (601) in an arrangement mode, the screening plates (601) are obliquely arranged in the feeding box body (101) from top to bottom, the screening plates (601) located below are all in sliding connection with the screening plates (601) adjacent to the upper side through a guide structure, and the left end and the right end of each screening plate (601) are all connected with the inner wall of the feeding box body (101) through one distance-adjusting mechanism;
the installation structure and the reinforcing rib structure (301) are arranged at the bottom of the feeding box body (101), the installation structure is used for being matched with the material collecting box, the first connection structure (201) is arranged at the top of the feeding box body (101), the first connection structure (201) is used for being connected with a feeding groove, the second connection structure is arranged on the front end face of the feeding box body (101), and the second connection structure is used for being connected with a box body of coal mine screening equipment.
2. A pre-screening function feed apparatus for coal mines according to claim 1, wherein: the guide structure comprises a plurality of guide sliding grooves (605) and a plurality of guide plates (604), wherein the guide sliding grooves (605) are uniformly arranged on the upper end face of the screen plate (601) below, the guide plates (604) are uniformly arranged on the lower end face of the screen plate (601) adjacent above, and each guide sliding groove (605) is correspondingly and slidably connected with one guide plate (604).
3. A pre-screening function feed apparatus for coal mines according to claim 2, wherein: the number of the guide sliding grooves (605) and the guide plates (604) is three.
4. A pre-screening function feed apparatus for coal mines according to any one of claims 1 to 3, wherein: the distance adjusting mechanism comprises a fixed plate (606) and a plurality of positioning holes (602), wherein the positioning holes (602) are obliquely and uniformly arranged on the side wall of the feeding box body (101), the fixed plate (606) is connected with the end part of the screen plate (601), the fixed plate (606) can slide along the arrangement direction of the positioning holes (602), and each positioning hole (602) can be detachably connected with the fixed plate (606).
5. The feeding device with a pre-screening function for a coal mine as claimed in claim 4, wherein: the pre-screening mechanism further comprises a plurality of screening groove adjusting mechanisms, each screening groove (603) is internally provided with a corresponding screening groove adjusting mechanism, each screening groove adjusting mechanism comprises a cross rod and a sliding block structure, the cross rods are arranged in the screening grooves (603), and the cross rods are in sliding connection with the screening plates (601) through the sliding block structures.
6. The feeding device with a pre-screening function for a coal mine as claimed in claim 4, wherein: the mounting structure comprises two mounting plates (701), the two mounting plates (701) are symmetrically arranged at the left side and the right side of the material distributing opening, and each mounting plate (701) is connected with the material inlet box body (101).
7. The feeding device with a pre-screening function for a coal mine as claimed in claim 6, wherein: the reinforcing rib structure (301) comprises four square steel pipes, the circumferences of the four square steel pipes are uniformly arranged at the bottom of the feeding box body (101), and the four square steel pipes are all arranged above the mounting plate (701).
8. The feeding device with a pre-screening function for a coal mine as claimed in claim 4, wherein: the first connecting structure (201) comprises four first connecting plates, the four first connecting plates are uniformly arranged on the circumference of the first connecting plates and are arranged on the outer side of the feeding port, and the four first connecting plates are connected with the feeding box body (101).
9. The feeding device with a pre-screening function for a coal mine as claimed in claim 4, wherein: the second connecting structure comprises three second connecting plates (502) and two third connecting plates (503), wherein the three second connecting plates (502) are arranged outside the discharge hole, and the two third connecting plates (503) are symmetrically arranged on the left side and the right side of the discharge hole.
10. The feeding device with a pre-screening function for a coal mine as claimed in claim 4, wherein: the left end and the right end of the feeding box body (101) are respectively provided with a lifting lug (102) correspondingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322973023.8U CN221231073U (en) | 2023-11-03 | 2023-11-03 | Feeding device with pre-screening function for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322973023.8U CN221231073U (en) | 2023-11-03 | 2023-11-03 | Feeding device with pre-screening function for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221231073U true CN221231073U (en) | 2024-06-28 |
Family
ID=91597178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322973023.8U Active CN221231073U (en) | 2023-11-03 | 2023-11-03 | Feeding device with pre-screening function for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221231073U (en) |
-
2023
- 2023-11-03 CN CN202322973023.8U patent/CN221231073U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221231073U (en) | Feeding device with pre-screening function for coal mine | |
| CN214439513U (en) | Wet-process final grinding equipment of high-pressure roller mill | |
| CN212668567U (en) | Vibrating screen buffering feeding device | |
| CN208390168U (en) | A kind of pulverizer | |
| CN210875503U (en) | Crusher for metallurgy | |
| CN214638096U (en) | Dry-method ore dressing and screening device for bauxite exploitation | |
| CN213855687U (en) | Aluminum hydroxide scab removing device | |
| CN217190719U (en) | A energy-saving wet-type separates sediment device for ore dressing | |
| CN210022835U (en) | A wind selector for production of slag sand | |
| CN113457973A (en) | Recycled aggregate fine-selecting device | |
| CN108080268A (en) | Circuit board cracking and sorting mechanism | |
| CN215964817U (en) | Tuyere structure for recycled aggregate fine selection device | |
| CN110935628A (en) | Multistage screening and separating device | |
| CN216988967U (en) | Buffer distribution ore bin for crusher | |
| CN213914267U (en) | Powder sand all-in-one machine | |
| CN220479394U (en) | Powder vibrating screen for reducing feeding of calcium carbide furnace | |
| CN210635242U (en) | Vibration feeding device | |
| CN221753901U (en) | Ore sorting device | |
| CN116832932B (en) | Micron-scale continuous low-temperature crushing system | |
| CN212018540U (en) | Material distributing structure of crawler-type mobile screening machine | |
| CN219483365U (en) | Slag screening equipment | |
| CN219985287U (en) | Stone screening device for building construction | |
| CN218013908U (en) | Fine vanadium slag preselection sorting unit | |
| CN220781173U (en) | Grader for iron fine powder processing and ore dressing | |
| CN219898514U (en) | Material collecting box with pre-stripping function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |