CN115722330B - Efficient feeding mechanism for mine crusher - Google Patents
Efficient feeding mechanism for mine crusher Download PDFInfo
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- CN115722330B CN115722330B CN202211503696.0A CN202211503696A CN115722330B CN 115722330 B CN115722330 B CN 115722330B CN 202211503696 A CN202211503696 A CN 202211503696A CN 115722330 B CN115722330 B CN 115722330B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 239000004575 stone Substances 0.000 abstract description 42
- 238000005065 mining Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The application discloses be applied to high-efficient feed mechanism for mine breaker in mining exploitation field, this high-efficient feed mechanism for mine breaker is through being provided with the conveying shell, conveying shell upside inner fixedly connected with divides the board, go up a plurality of upward flow pipes of the equal angle fixedly connected with of board inner, upward flow pipe lower extreme fixedly connected with accepts the bottom plate, accept bottom plate lower extreme equiangular degree and install a plurality of main sieve groups, main sieve group includes the rotation mainboard that rotates to be connected with accepting the bottom plate, the circulation chamber has been seted up to rotation mainboard outside middle-end, the offset control group is installed to rotation mainboard outer end, the offset control group includes a pair of sliding plate with rotation mainboard outer end slip joint, realize pressing the offset control group when having the building stones that surpasss standard size, press the separation group, thereby drive main sieve group rotation, and open down the clamp ring, and then shift and discharge large-scale building stones, reach the purpose that improves crushing efficiency and protect the organism.
Description
Technical Field
The application relates to the field of mining exploitation, in particular to a high-efficiency feeding mechanism for a mine crusher.
Background
Mine crushers are also known as mine crushers and are widely applied to a plurality of departments such as mines, smelting, building materials, highways, railways, water conservancy and chemical industry and the like. Common stone crushing machines include jaw crushers, impact crushers, winnowing crushers, hammer crushers, impact crushers, roller crushers, composite crushers, cone crushers, and the like. When the cone crusher (cone crusher) works, the motor rotates to make a rotary motion around a fixed one through the belt pulley or the coupling, the transmission shaft and the cone part under the urging of the eccentric sleeve, so that the crushing wall of the cone crusher is close to and leaves the surface of the rolling white wall fixedly arranged on the adjusting sleeve, and the ore is continuously impacted in the crushing cavity, extruded and bent to crush the ore.
However, if the pre-separation is not complete enough before crushing the stones, a lot of stones with large sizes remain, after entering the crushing chamber, if the size or hardness exceeds the rated load of the cone crusher, the self-protection function is triggered, the upper shell of the crusher moves upwards, and all stones in the crushing chamber are discharged at one time, however, if the stones with large sizes are too much, the stones in the chamber are frequently discharged, so that the working efficiency is reduced, and the machine body is easily damaged.
Therefore, when feeding, if the stones with the super specifications can be timely screened out and discharged, the crushing efficiency can be effectively improved, and the machine body is protected.
Disclosure of Invention
The utility model provides a screening and remove the building stones that surpass certain size in the feeding process to reduce the trigger frequency of breaker superpressure protection, improve crushing efficiency and protection organism, compare prior art and provide a mine breaker with high-efficient feed mechanism, through setting up the conveying shell, conveying shell upside inner fixedly connected with goes up the minute board, go up minute inboard equal angle fixedly connected with a plurality of upward runner pipes, upward runner pipe lower extreme fixedly connected with accepts the bottom plate, accept bottom plate lower extreme equiangular degree and install a plurality of main screen groups, main screen group includes the rotation mainboard that rotates with accepting the bottom plate to be connected, the circulation chamber has been seted up to rotation mainboard outside middle-end, rotation mainboard outer end installs the skew control group, the skew control group includes a pair of sliding plate with rotation mainboard outer end slip joint, sliding plate outside inner fixedly connected with butt frame, butt frame upside outer fixedly connected with rotates magnetic plate, the front and rear ends of the lower side of the sliding plate are fixedly connected with sliding clamping frames, the lower end of the sliding plate is provided with a pressing separation group, the pressing separation group comprises a pair of lower clamping rings which are in sliding clamping connection with the lower end of the sliding plate, the outer ends of the lower clamping rings are fixedly connected with a pair of sliding clamping blocks which are in sliding clamping connection with the inner ends of the sliding clamping frames, the lower end inside the conveying shell is fixedly connected with a supporting bottom plate, the upper end of the supporting bottom plate is fixedly connected with a plurality of abutting plates which are abutted against the abutting frames, the upper end of the supporting bottom plate is fixedly connected with a plurality of separation plates which correspond to the lower clamping rings at equal angles, the inner surface of the lower end of the conveying shell is fixedly connected with a plurality of fixed magnetic plates which correspond to the rotating magnetic plates at equal angles, so that when stones exceeding the standard size are arranged, the pressing separation group is pressed, the main screening group is driven to rotate, the lower clamping rings are opened, and stones with large size are transferred and discharged, the purposes of improving the crushing efficiency and protecting the machine body are achieved.
Further, the upper flow pipe penetrates through the upper separating plate and the upper end and the lower end of the bearing bottom plate, the flow cavity is normally located right below the upper flow pipe, the diameter of the inner end of the flow cavity is equal to that of the inner end of the upper flow pipe, and stone is conveniently introduced.
Further, rotate main board outer end surface fixedly connected with upper shrouding, the outer end diameter of upper shrouding is greater than the inner diameter of circulation chamber, can in time seal the upper flow tube lower extreme after main screen group rotates, avoids there being other big stone material to flow out subsequently.
Further, both ends all fixedly connected with a pair of extension spring around the mainboard rotates, extension spring lower extreme and the inboard lower extreme fixed connection of sliding plate can let skew control group, press and move the automatic resilience of separation group.
Further, the lower end of the abutting frame is L-shaped, and the abutting plate is of an inclined arc structure, so that the main screen group, the offset control group and the pressing separation group are prevented from being blocked from rotating.
Further, a plurality of downflow pipes corresponding to the circulation cavities are fixedly connected to the inner end of the supporting bottom plate at equal angles, the downflow pipes penetrate through the upper end and the lower end of the supporting bottom plate, the diameter of the inner end of each downflow pipe is larger than that of the inner end of each circulation cavity, and large stones are conveniently discharged.
Further, the upper surface fixedly connected with of supporting baseplate middle-end rotates the platform, rotates the platform and rotates the inboard rotation of mainboard and be connected, can improve main screen group pivoted stability.
Further, the compression spring is fixedly connected to the outer end of the sliding clamping block, and the compression spring is fixedly connected to the inner end of the sliding clamping frame, so that the lower clamping ring can rebound automatically, and stones are prevented from pushing away the lower clamping ring.
Further, a plurality of retaining through holes are formed in the inner end of the supporting bottom plate in an equiangular manner, a sliding pipe is slidably clamped at the inner end of the retaining through hole, a pair of pressing plates are fixedly connected to the outer ends of the sliding pipe and are slidably clamped with the retaining through holes, return springs are fixedly connected to the lower ends of the pressing plates and are fixedly connected with the retaining through holes, stone output is facilitated, and the main screen group, the offset control group and the pressing separation group are prevented from moving downwards.
Further, the lower clamping ring is of a funnel-shaped structure, the rear end of the inner side of the lower clamping ring is of an arc-shaped structure, large stones can be accurately blocked, and the separating plate can be guaranteed to push the lower clamping ring outwards in time.
Compared with the prior art, the advantage of this application lies in:
(1) When stones with the size exceeding the standard size exist, the deflection control group and the separation group are pressed, so that the main screen group is driven to rotate, the lower clamping ring is opened, and the stones with the large size are transferred and discharged, thereby achieving the purposes of improving the crushing efficiency and protecting the machine body.
(2) The upper flow pipe penetrates through the upper separating plate and the upper end and the lower end of the bearing bottom plate, the flow cavity is normally positioned right below the upper flow pipe, the diameter of the inner end of the flow cavity is equal to that of the inner end of the upper flow pipe, and stone is conveniently introduced.
(3) The outer end surface fixedly connected with of the outer end of the main board rotates the upper shrouding, and the outer end diameter of the upper shrouding is greater than the inner end diameter of the circulation cavity, so that after the main screen group rotates, the lower end of the upper circulation pipe can be sealed in time, and other massive stone materials are prevented from flowing out subsequently.
(4) The front end and the rear end of the rotating main board are fixedly connected with a pair of extension springs, the lower ends of the extension springs are fixedly connected with the lower ends of the inner sides of the sliding boards, and the offset control group and the pressing separation group can rebound automatically.
(5) The lower end of the abutting frame is L-shaped, and the abutting plate is of an inclined arc-shaped structure, so that the main screen group, the offset control group and the pressing separation group are prevented from being blocked from rotating.
(6) The inner end of the supporting bottom plate is fixedly connected with a plurality of downflow pipes corresponding to the circulation cavities at equal angles, the downflow pipes penetrate through the upper end and the lower end of the supporting bottom plate, and the diameter of the inner end of each downflow pipe is larger than that of the corresponding circulation cavity, so that massive stone materials can be conveniently discharged.
(7) The upper surface fixedly connected with rolling table in the supporting baseplate middle-end, rolling table rotates with the inner of rotating main board and is connected, can improve main screen group pivoted stability.
(8) The compression spring is fixedly connected to the outer end of the sliding clamping block and fixedly connected to the inner end of the sliding clamping frame, so that the lower clamping ring can rebound automatically, and stones are prevented from pushing away the lower clamping ring.
(9) The inner end of the supporting bottom plate is provided with a plurality of retaining through holes in an equiangular manner, the inner end of the retaining through holes is slidably clamped with a sliding pipe, the outer end of the sliding pipe is fixedly connected with a pair of pressing plates which are slidably clamped with the retaining through holes, the lower end of each pressing plate is fixedly connected with a return spring fixedly connected with the retaining through holes, the stone is conveniently output, and the main screen group, the offset control group and the pressing separation group are prevented from being blocked from moving downwards.
(10) The lower clamping ring is of a funnel-shaped structure, the rear end of the inner side of the lower clamping ring is of an arc-shaped structure, large stones can be accurately blocked, and the separation plate can be guaranteed to push the lower clamping ring outwards in time.
Drawings
FIG. 1 is a schematic cross-sectional front view of a conveying housing of the present application;
FIG. 2 is a schematic view of the appearance of the main body of the present application;
FIG. 3 is a schematic view of an exploded view of the receiving deck and main screen assembly and support deck of the present application;
FIG. 4 is a schematic diagram of a front view of a connection between a main screen group and a rotary table;
FIG. 5 is a schematic diagram of a front view of a connection between an offset control group and a main screen group in a normal state according to the present application;
FIG. 6 is a schematic diagram of a front view of a connection between an offset control group and a main screen group in a screening state according to the present application;
fig. 7 is a schematic right-view structural diagram of a connection portion between a sliding clamping block and a sliding clamping frame in the present application;
FIG. 8 is a bottom view of the lower clamp ring of the present application;
FIG. 9 is a schematic view of a front view of a support floor of the present application;
fig. 10 is a schematic sectional front view of the connection between the support base and the sliding tube.
The reference numerals in the figures illustrate:
the device comprises a conveying shell, an upper separating plate, an upper flowing pipe, a 4-bearing bottom plate, a main screen group 5, a rotating main plate 501, a flowing cavity 502, an upper sealing plate 503, a 504 stretching spring, a 6-offset control group, a 601 sliding plate, a 602 abutting frame, a 603 rotating magnetic plate, a 604 sliding clamping frame, a 7-pressing separating group, a 701 lower clamping ring, a 702 sliding clamping block, a 703 compression spring, an 8-bearing bottom plate, a 9-flowing pipe, a 10 rotating table, an 11 abutting plate, a 12 separating plate, a 13 sliding pipe, a 14-fixing magnetic plate, a 15-pressing plate, a 16-retaining through hole and a 17-restoring spring.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the present application are all within the scope of protection of the present application.
Example 1:
the application discloses mine breaker is with high-efficient feed mechanism, please refer to fig. 1-3, including carrying shell 1, carry shell 1 upside inner fixedly connected with upper segment board 2, upper segment board 2 inner equiangular fixedly connected with a plurality of upper runner pipe 3, upper runner pipe 3 lower extreme fixedly connected with accepts bottom plate 4, accept bottom plate 4 lower extreme equiangular mounting has a plurality of main screen groups 5, main screen group 5 includes the rotation mainboard 501 that rotates to be connected with accepting bottom plate 4, the circulation chamber 502 has been seted up to rotation mainboard 501 outside middle-end, upper runner pipe 3 runs through upper segment board 2, accept bottom plate 4's upper and lower end, circulation chamber 502 is located under the upper runner pipe 3 under the normality, and the inner diameter of circulation chamber 502 equals with upper runner pipe 3's inner diameter, make things convenient for the entering of building stones, offset control group 6 is installed to rotation mainboard 501 outer end, press the separation group 7 is installed to the sliding plate 601 lower extreme, the inside lower extreme fixedly connected with supporting baseplate 8 of carrying shell 1.
Referring to fig. 4-6, the offset control group 6 includes a pair of sliding plates 601 slidably clamped with the outer ends of the rotating main plate 501, a pair of extension springs 504 are fixedly connected to the front and rear ends of the rotating main plate 501, the lower ends of the extension springs 504 are fixedly connected to the lower ends of the inner sides of the sliding plates 601, the offset control group 6 and the pressing separation group 7 can rebound automatically, the inner ends of the outer sides of the sliding plates 601 are fixedly connected with abutting frames 602, the lower ends of the abutting frames 602 are L-shaped, the abutting plates 11 are of inclined arc structures, the main screen group 5, the offset control group 6 and the pressing separation group 7 are prevented from being blocked from rotating, the outer ends of the upper sides of the abutting frames 602 are fixedly connected with rotating magnetic plates 603, and the front and rear ends of the lower sides of the sliding plates 601 are fixedly connected with sliding clamping frames 604.
Referring to fig. 7-8, the pressing separation set 7 includes a pair of lower clamping rings 701 slidably clamped with the lower end of the sliding plate 601, the lower clamping rings 701 are in a funnel-shaped structure, the rear end of the inner side of the lower clamping rings 701 is in an arc-shaped structure, so that a large stone block can be accurately blocked, the separation plate 12 can be ensured to push the lower clamping rings 701 outwards in time, a pair of sliding clamping blocks 702 slidably clamped with the inner ends of the sliding clamping frames 604 are fixedly connected to the outer ends of the lower clamping rings 701, a compression spring 703 is fixedly connected to the outer ends of the sliding clamping blocks 702, the compression spring 703 is fixedly connected with the inner ends of the sliding clamping frames 604, the lower clamping rings 701 can rebound automatically, and the stone block is prevented from pushing the lower clamping rings 701 outwards.
Referring to fig. 1-6, an upper sealing plate 503 is fixedly connected to an outer surface of an outer end of the rotating main plate 501, an outer end diameter of the upper sealing plate 503 is larger than an inner end diameter of the circulation cavity 502, after the main screen group 5 rotates, a lower end of the upper circulation pipe 3 can be sealed in time to avoid other massive stone materials flowing out subsequently, a plurality of abutting plates 11 abutted against the abutting frame 602 are fixedly connected to an upper end of the supporting base plate 8 at equal angles, a plurality of separating plates 12 corresponding to the lower clamping ring 701 are fixedly connected to an upper end of the supporting base plate 8 at equal angles, and a plurality of fixed magnetic plates 14 corresponding to the rotating magnetic plates 603 are fixedly connected to an inner surface of a lower end of the conveying housing 1 at equal angles.
Referring to fig. 1-9, the inner end of the supporting base plate 8 is fixedly connected with a plurality of downflow pipes 9 corresponding to the circulation cavities 502 at equal angles, the downflow pipes 9 penetrate through the upper end and the lower end of the supporting base plate 8, the diameter of the inner end of each downflow pipe 9 is larger than that of the inner end of each circulation cavity 502, so that massive stone materials can be conveniently discharged, the upper surface of the middle end of the supporting base plate 8 is fixedly connected with a rotating table 10, and the rotating table 10 is rotationally connected with the inner end of the rotating main plate 501, so that the rotating stability of the main screen group 5 can be improved.
Referring to fig. 9-10, a plurality of retaining through holes 16 are formed in the inner end of the supporting bottom plate 8 in a clamping manner at equal angles, a sliding tube 13 is slidably clamped at the inner end of the retaining through holes 16, a pair of pressing plates 15 are fixedly connected to the outer ends of the sliding tubes 13 and are slidably clamped with the retaining through holes 16, return springs 17 are fixedly connected to the lower ends of the pressing plates 15 and are fixedly connected with the retaining through holes 16, output of stones is facilitated, and downward movement of the main screen group 5, the offset control group 6 and the pressing separation group 7 is prevented from being hindered.
Referring to fig. 1 to 10, before stone crushing, the device is installed above the cone crusher, when the stone is crushed, the pre-formed stone is continuously conveyed to the position right above the conveying shell 1 by a conveyor belt and other devices, the stone enters the circulation cavity 502 through the upper circulation pipe 3, then is discharged through the lower clamping ring 701, the sliding pipe 13 and the retaining through hole 16 in sequence and enters the cone crusher, in the process, if the stone with oversized dimension enters the cone crusher, the stone is blocked by the lower clamping ring 701, thus the lower clamping ring 701 is caused to have a lower pressure, the offset control group 6 and the pressing separation group 7 are pressed to move downwards, meanwhile, under the action of the fixed magnetic plate 14 on the rotating magnetic plate 603, the offset control group 6 and the pressing separation group 7 rotate anticlockwise, then the lower clamping ring 701 is pushed to the outside by the separation plate 12, the stone in the circulation cavity 502 is discharged through the lower circulation pipe 9, and the operator automatically performs the operation of dividing the discharged stone into small blocks again, and then the large-sized stone is discharged again, and the large-sized stone is screened.
The foregoing description is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, within the scope of the present application, should apply to the present application, and all changes and modifications as fall within the scope of the present application.
Claims (9)
1. The utility model provides a mine breaker is with high-efficient feed mechanism, includes conveying shell (1), its characterized in that, conveying shell (1) upside inner fixedly connected with divides board (2), go up a plurality of upper runner pipes (3) of inner equiangular fixedly connected with of minute board (2), upper runner pipe (3) lower extreme fixedly connected with accepts bottom plate (4), accept bottom plate (4) lower extreme equiangular mount and have a plurality of main screen packs (5), main screen packs (5) include rotation mainboard (501) with accept bottom plate (4) rotation connection, circulation chamber (502) have been seted up to rotation mainboard (501) outside middle-end, upper runner pipe (3) run through upper minute board (2), accept the upper and lower ends of bottom plate (4), be located under upper runner pipe (3) under the circulation chamber (502) normal state, and the inner diameter of circulation chamber (502) equals with the inner diameter of upper runner pipe (3), rotation mainboard (501) outer end are installed offset control group (6), offset control group (6) include one pair of rotation mainboard (501) rotate and are connected with rotation mainboard (601) outside fixed connection, and have rotation mainboard (601) to have fixed connection outside-end (601), both ends all fixedly connected with slip clamping frame (604) around sliding plate (601) downside, sliding plate (601) lower extreme is installed and is pressed and move separation group (7), press move separation group (7) including a pair of lower clamping ring (701) with sliding joint of sliding plate (601) lower extreme, lower clamping ring (701) outer end fixedly connected with a pair of slip fixture block (702) with sliding joint of sliding clamping frame (604) inner, inside lower extreme fixedly connected with supporting baseplate (8) of conveying shell (1), supporting baseplate (8) upper end equiangular fixedly connected with a plurality of butt plates (11) with butt frame (602) butt, a plurality of separation plates (12) corresponding with lower clamping ring (701) of supporting baseplate (8) upper end equiangular fixedly connected with, conveying shell (1) lower extreme internal surface equiangular fixedly connected with a plurality of fixed magnetic plates (14) corresponding with rotating magnetic plate (603).
2. The efficient feeding mechanism for the mine crusher according to claim 1, wherein an upper sealing plate (503) is fixedly connected to the outer surface of the outer end of the rotary main plate (501), and the outer end diameter of the upper sealing plate (503) is larger than the inner end diameter of the circulation cavity (502).
3. The efficient feeding mechanism for the mine crusher according to claim 1, wherein a pair of extension springs (504) are fixedly connected to the front end and the rear end of the rotary main plate (501), and the lower ends of the extension springs (504) are fixedly connected with the lower ends of the inner sides of the sliding plates (601).
4. The efficient feeding mechanism for the mine crusher according to claim 1, wherein the lower end of the abutting frame (602) is in an L shape, and the abutting plate (11) is in an inclined arc structure.
5. The efficient feeding mechanism for the mine crusher according to claim 1, wherein a plurality of downflow pipes (9) corresponding to the circulation cavities (502) are fixedly connected to the inner end of the supporting bottom plate (8) at equal angles, the downflow pipes (9) penetrate through the upper end and the lower end of the supporting bottom plate (8), and the diameter of the inner end of each downflow pipe (9) is larger than that of the inner end of each circulation cavity (502).
6. The efficient feeding mechanism for the mine crusher according to claim 1, wherein a rotating table (10) is fixedly connected to the upper surface of the middle end of the supporting bottom plate (8), and the rotating table (10) is rotatably connected with the inner end of the rotating main plate (501).
7. The efficient feeding mechanism for the mine crusher according to claim 1, wherein the outer end of the sliding clamping block (702) is fixedly connected with a compression spring (703), and the compression spring (703) is fixedly connected with the inner end of the sliding clamping frame (604).
8. The efficient feeding mechanism for the mine crusher according to claim 1, wherein a plurality of retaining through holes (16) are formed in the inner end of the supporting bottom plate (8) in an equiangular clamping mode, a sliding tube (13) is slidably clamped at the inner end of the retaining through holes (16), a pair of pressing plates (15) which are slidably clamped with the retaining through holes (16) are fixedly connected to the outer end of the sliding tube (13), and return springs (17) fixedly connected with the retaining through holes (16) are fixedly connected to the lower end of the pressing plates (15).
9. The efficient feeding mechanism for the mine crusher according to claim 1, wherein the lower clamping ring (701) is of a funnel-shaped structure, and the rear end of the inner side of the lower clamping ring (701) is of an arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211503696.0A CN115722330B (en) | 2022-11-28 | 2022-11-28 | Efficient feeding mechanism for mine crusher |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211503696.0A CN115722330B (en) | 2022-11-28 | 2022-11-28 | Efficient feeding mechanism for mine crusher |
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| CN115722330A CN115722330A (en) | 2023-03-03 |
| CN115722330B true CN115722330B (en) | 2024-04-02 |
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| CN113441254A (en) * | 2021-09-01 | 2021-09-28 | 徐州紫聚石化设备有限公司 | Automatic crushing and grinding processing system for calcium carbonate preparation |
| CN113560018A (en) * | 2021-09-18 | 2021-10-29 | 江苏卓维矿业科技有限公司 | Automatic negative pressure type dust collecting and dust falling pseudo-elastic progressive crushing ore screening machine |
| CN216538778U (en) * | 2021-11-08 | 2022-05-17 | 佛山市三水区大塘污水处理有限公司 | Crushing and screening device |
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| CN115722330A (en) | 2023-03-03 |
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