CN214975735U - Screen cloth cleaning device for coal dressing machine - Google Patents

Screen cloth cleaning device for coal dressing machine Download PDF

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Publication number
CN214975735U
CN214975735U CN202121515468.6U CN202121515468U CN214975735U CN 214975735 U CN214975735 U CN 214975735U CN 202121515468 U CN202121515468 U CN 202121515468U CN 214975735 U CN214975735 U CN 214975735U
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China
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screen cloth
pipe
screen
fixedly connected
box
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CN202121515468.6U
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Chinese (zh)
Inventor
骆宏亮
穆经纬
张慧琴
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Individual
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Individual
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Abstract

The utility model discloses a screen cloth cleaning device for coal picker relates to the coal picker field. The technical key points are as follows: the power distribution box comprises a box body, be equipped with the screen cloth in the box, the screen cloth is connected with a plurality of buffering posts, a plurality of buffering posts are connected with the mounting panel, the screen cloth bottom is connected with vibrating motor, vibrating motor connects in the mounting panel, the mounting panel is connected in the box inside wall, the screen cloth bottom is equipped with first clean subassembly, the screen cloth top is equipped with the clean subassembly of second, the box runs through near the screen cloth bottom side and is equipped with the connecting pipe, be equipped with the flow distribution plate in the connecting pipe, the flow distribution plate is connected with the control assembly, the flow distribution plate articulates there is the connecting rod, the connecting rod is connected in the connecting pipe inside wall, the connecting pipe intercommunication has first pipe and second pipe, first pipe connection has the coal storage box, second pipe connection has the impurity case. The utility model has the advantages that: whole cleaning device adopts multiple clearance mode combined action, can carry out more thorough cleanness to the screen cloth, promotes clean effect, has stronger practicality.

Description

Screen cloth cleaning device for coal dressing machine
Technical Field
The utility model relates to a coal picker technical field specifically is a screen cloth cleaning device for coal picker.
Background
The national coal resources are abundant, and the coal price is low; the coal conveying system generally has the phenomena of blockage of a screening machine, low screening efficiency, large abrasion of a crusher, high energy consumption and the like, and a coal separator generally adopts a vibrating screen to screen coal, the screen is easily blocked by coal slime or other impurities, and the coal separator with the blocked screen can lose normal functions.
The above prior art solution has the following drawbacks: the cleaning effect of the prior screen cleaning device is poor, and impurities in the screen are difficult to clean thoroughly.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a screen cloth cleaning device for coal dressing machine, its advantage that has: the vibrating motor can vibrate the screen, so that impurities blocked in the mesh holes of the screen can be conveniently vibrated out, the buffer column can play a buffer role in the vibrating process of the screen, the first cleaning component and the second cleaning component can be arranged so that the upper side and the lower side of the screen can respectively clean the screen, the cleaning effect of the screen can be further improved, the connecting pipe can be arranged so as to be convenient for collecting the impurities and coal, the splitter plate can be controlled by the control component to abut against the upper wall of the connecting pipe during the coal screening operation, so that the coal can conveniently enter the coal storage box through the first guide pipe, and meanwhile, the control mechanism can control the splitter plate to abut against the lower side wall of the connecting pipe during the sieve cleaning operation, so that the impurities can conveniently enter the impurity box through the second guide pipe, and the impurities are prevented from entering the coal storage box; whole cleaning device adopts multiple clearance mode combined action, can carry out more thorough cleanness to the screen cloth, promotes clean effect, has stronger practicality.
The above object of the present invention can be achieved by the following technical solutions:
a screen cleaning device for a coal separator comprises a box body, wherein a coal inlet is formed in the top of the box body, a slag outlet is formed in the bottom of the box body, a screen is arranged in the box body, the screen is obliquely arranged, a plurality of buffering columns are fixedly connected to the corners of the bottom of the screen, a mounting plate is fixedly connected to the buffering columns, a vibrating motor is fixedly connected to the bottom of the screen, the vibrating motor is fixedly connected to the mounting plate, the mounting plate is fixedly connected to the inner side wall of the box body, a first cleaning component is arranged at the bottom of the screen, a second cleaning component is arranged at the top of the screen, a connecting pipe is arranged in the box body and close to the bottom side of the screen in a penetrating manner and is fixedly connected with the screen, a splitter plate is arranged in the connecting pipe and is connected with a control component, a connecting rod is hinged to one side, away from the control component, of the splitter plate, and is fixedly connected to the inner side wall of the connecting pipe, one end, far away from the box body, of the connecting pipe is communicated with a first pipe and a second pipe, the first pipe and the second pipe are fixedly connected, the first pipe is fixedly connected with a coal storage box, and the second pipe is fixedly connected with an impurity box.
By adopting the technical scheme, the arranged vibrating motor can vibrate the screen, so that impurities blocked in the mesh holes of the screen can be conveniently vibrated out, the arranged buffer column can play a buffer role in the vibrating process of the screen, the arranged first cleaning component and the second cleaning component can respectively clean the screen from the upper side and the lower side of the screen, the cleaning effect of the screen can be further improved, the arranged connecting pipe can be convenient for collecting the impurities and coal, the arranged splitter plate can be controlled by the control component to abut against the upper wall of the connecting pipe during the coal screening operation, so that the coal can conveniently enter the coal storage box through the first guide pipe, and meanwhile, the control mechanism can control the splitter plate to abut against the lower side wall of the connecting pipe during the sieve cleaning operation, so that the impurities can conveniently enter the impurity box through the second guide pipe, and the impurities are prevented from entering the coal storage box; whole cleaning device adopts multiple clearance mode combined action, can carry out more thorough cleanness to the screen cloth, promotes clean effect, has stronger practicality.
The present invention may be further configured in a preferred embodiment as: first clean subassembly includes the brush board, brush board bottom is provided with the brush hair, the brush hair laminate in the screen cloth sets up, the first cylinder output of brush board one side fixedly connected with, first cylinder fixed connection in the box inside wall, first cylinder output is followed the screen cloth sets up the direction.
Through adopting above-mentioned technical scheme, the first cylinder that sets up can drive brush board and brush hair and remove along the screen cloth surface when the clean screen cloth of needs to clean the impurity that is attached to the screen cloth surface, can mutually support with the clean subassembly of second, thereby be convenient for collect impurity into the impurity case.
The present invention may be further configured in a preferred embodiment as: the clean subassembly of second includes the connecting plate, a plurality of gas blow pipes of connecting plate upside fixedly connected with, it is a plurality of the gas blow pipe evenly sets up along the straight line, and is a plurality of the gas blow pipe all communicates there is the air pump output, air pump fixed connection in the connecting plate, connecting plate one side fixedly connected with second cylinder output, second cylinder fixed connection in the box inside wall, the connecting plate runs through and is equipped with a plurality of guide bars, and is a plurality of the equal fixed connection in guide bar both ends in the box inside wall.
Through adopting above-mentioned technical scheme, the connecting plate of setting can provide the mounted position for follow-up part, the air pump and the gas blow pipe of setting, can utilize the impact force of air current, to block up and blow with the impurity in the screen cloth, thereby be convenient for collect the impurity that blocks up in the screen cloth, the second cylinder of setting can drive the connecting plate and remove along the screen cloth surface, thereby be convenient for carry out comprehensive cleanness to the screen cloth, the guide bar of setting can provide the guide effect for the removal of connecting plate, promote the stability that the connecting plate removed the in-process.
The present invention may be further configured in a preferred embodiment as: the control assembly comprises a third cylinder, the third cylinder is fixedly connected to the inner side wall of the connecting pipe, and the output end of the third cylinder is hinged to the flow distribution plate.
Through adopting above-mentioned technical scheme, the third cylinder is flexible can be convenient for adjust the position of flow divider for the flow divider can butt in the upper wall or the lower wall of connecting pipe as required, thereby be convenient for impurity collection and the going on of the storage operation of coal.
The present invention may be further configured in a preferred embodiment as: the buffer column comprises a sleeve, the sleeve is fixedly connected with the mounting plate, one side of the mounting plate is inserted with a connecting shaft and is in sliding connection with the mounting plate, the connecting shaft is fixedly connected with the screen, a buffer spring is arranged inside the sleeve, one end of the buffer spring is fixedly connected with the inner side wall of the sleeve, the other end of the buffer spring is fixedly connected with the connecting shaft, and the buffer spring stretches and retracts along the axis direction of the connecting shaft.
Through adopting above-mentioned technical scheme, the connecting axle that sets up can remove along telescopic axis direction, and the buffer spring that sets up can be when the connecting axle receives external force and assault, cushions the energy-absorbing to the external force that the connecting axle received to reach the purpose of buffering.
The present invention may be further configured in a preferred embodiment as: an exhaust fan is fixedly connected in the second conduit.
Through adopting above-mentioned technical scheme, the air exhauster of setting can utilize the air negative pressure in with impurity suction impurity case, the collection operation of the impurity of being convenient for.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the screen can be vibrated by the arranged vibrating motor, so that impurities blocked in the mesh holes of the screen can be conveniently vibrated out, the arranged buffer column can play a buffer role in the vibrating process of the screen, the arranged first cleaning component and the arranged second cleaning component can respectively clean the screen by the upper side and the lower side of the screen, the cleaning effect of the screen can be further improved, the arranged connecting pipe can be convenient for collecting the impurities and coal, the arranged splitter plate can be controlled by the control component to abut against the upper wall of the connecting pipe during the coal screening operation, so that the coal can conveniently enter the coal storage box through the first guide pipe, and meanwhile, when the screen plate is cleaned, the control mechanism can control the splitter plate to abut against the lower side wall of the connecting pipe, so that the impurities can conveniently enter the impurity box through the second guide pipe, and the impurities are prevented from entering the coal storage box; the integral cleaning device adopts the combined action of a plurality of cleaning modes, can clean the screen more thoroughly, improves the cleaning effect and has stronger practicability;
2. the first cylinder can drive the brush plate and the bristles to move along the surface of the screen when the screen needs to be cleaned, so that impurities attached to the surface of the screen are cleaned, and the first cylinder can be matched with the second cleaning assembly, so that the impurities can be conveniently collected into the impurity box;
3. can provide the mounted position for follow-up part through the connecting plate that sets up, the air pump and the gas blow pipe of setting, can utilize the impact force of air current, will block up and blow with the impurity in the screen cloth, thereby be convenient for collect the impurity that blocks up in the screen cloth, the second cylinder of setting can drive the connecting plate and remove along the screen cloth surface, thereby be convenient for carry out comprehensive cleanness to the screen cloth, the guide bar of setting can provide the guide effect for the removal of connecting plate, promote the stability of connecting plate removal in-process.
Drawings
FIG. 1 is an overall structure of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a structural view of a buffer column.
Reference numerals: 1. a box body; 2. screening a screen; 3. a buffer column; 31. a sleeve; 32. a connecting shaft; 33. a buffer spring; 4. mounting a plate; 5. a first cleaning assembly; 51. brushing the board; 52. brushing; 53. a first cylinder; 6. a second cleaning assembly; 61. a connecting plate; 62. an air blowing pipe; 63. an air pump; 64. a second cylinder; 65. a guide bar; 7. a connecting pipe; 8. a flow distribution plate; 9. a control component; 91. a third cylinder; 10. a connecting rod; 11. a first conduit; 12. a second conduit; 13. a coal storage tank; 14. an impurity box; 15. an exhaust fan; 16. a vibration motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the screen cleaning device for the coal separator disclosed by the utility model comprises a box body 1, a coal inlet is arranged at the top of the box body 1, a slag outlet is arranged at the bottom of the box body 1, a screen 2 is arranged in the box body 1, the screen 2 is obliquely arranged, a plurality of buffer columns 3 are fixedly connected at the corners at the bottom of the screen 2, the number of the buffer columns 3 is three, the buffer columns are uniformly arranged at three corners of the screen 2, the buffer columns 3 can play a buffer role in the vibration process of the screen 2, the buffer columns 3 are fixedly connected with a mounting plate 4, a vibrating motor 16 is fixedly connected at the corners at the bottom of the screen 2 which are not connected with the buffer columns 3, the vibrating motor 16 can vibrate the screen 2, impurities blocked in meshes of the screen 2 can be conveniently vibrated out, the vibrating motor 16 is fixedly connected with the mounting plate 4, the mounting plate 4 is fixedly connected with the inner side wall of the box body 1, a first cleaning component 5 is arranged at the bottom of the screen 2, the top of the screen 2 is provided with a second cleaning component 6, the first cleaning component 5 and the second cleaning component 6 can respectively clean the screen 2 by the upper side and the lower side of the screen 2, the cleaning effect of the screen 2 can be further improved, the box body 1 is provided with a connecting pipe 7 through the bottom side close to the screen 2, the connecting pipe 7 and the connecting pipe are fixedly connected, the connecting pipe 7 can facilitate the collection of impurities and coal, a part of the screen 2 extends into the connecting pipe 7, a splitter plate 8 is arranged in the connecting pipe 7, the splitter plate 8 is connected with a control component 9, one side of the splitter plate 8 far away from the control component 9 is hinged with a connecting rod 10, the connecting rod 10 can provide an installation position for the splitter plate 8, the connecting rod 10 is fixedly connected to the inner side wall of the connecting pipe 7, one end of the connecting pipe 7 far away from the box body 1 is communicated with a first guide pipe 11 and a second guide pipe 12, and is fixedly connected with the first guide pipe 11 and the second guide pipe 12, the first guide pipe 11 is fixedly connected with a coal storage box 13, second pipe 12 fixedly connected with impurity case 14, flow distribution plate 8 can be when the sieve coal operation, at control assembly 9's control, the butt in the upper wall of connecting pipe 7, the coal of being convenient for is in first pipe 11 entering storage coal case 13, simultaneously when carrying out sieve clearance operation, 8 butts of flow distribution plate can be controlled to control mechanism in connecting pipe 7 lower wall, the impurity of being convenient for gets into impurity case 14 through second pipe 12, prevent that impurity from getting into storage coal case 13.
As shown in fig. 1, the first cleaning assembly 5 includes a brush plate 51, bristles 52 are arranged at the bottom of the brush plate 51, the bristles 52 are hard bristles 52, the bristles 52 are attached to the screen 2, an output end of a first cylinder 53 is fixedly connected to one side of the brush plate 51, the first cylinder 53 is fixedly connected to the inner side wall of the box body 1, the output end of the first cylinder 53 is arranged along the screen 2, and the arranged first cylinder 53 can drive the brush plate 51 and the bristles 52 to move along the surface of the screen 2 when the screen 2 needs to be cleaned, so that impurities attached to the surface of the screen 2 can be cleaned, and the first cleaning assembly can be matched with the second cleaning assembly 6, so that the impurities can be collected into the impurity box 14.
As shown in fig. 1, the second cleaning assembly 6 includes a connecting plate 61, the connecting plate 61 can provide a mounting position for subsequent components, a plurality of blowing pipes 62 are fixedly connected to the upper side of the connecting plate 61, the plurality of blowing pipes 62 are uniformly arranged along a straight line, the plurality of blowing pipes 62 are all communicated with an output end of an air pump 63, the air pump 63 is fixedly connected to the connecting plate 61, the air pump 63 and the blowing pipes 62 can blow up impurities blocked and blocked in the screen 2 by using impact force of air flow, so as to collect the blocked impurities in the screen 2, an output end of a second air cylinder 64 is fixedly connected to one side of the connecting plate 61, the second air cylinder 64 is fixedly connected to the inner side wall of the box 1, the second air cylinder 64 can drive the connecting plate 61 to move along the surface of the screen 2, so as to comprehensively clean the screen 2, the connecting plate 61 is provided with a plurality of guide rods 65 in a penetrating manner, the number of the guide rods 65 is two, the axial direction of the guide rods 65 is along the output direction of the second air cylinder 64, both ends of the guide rods 65 are fixedly connected to the inner side wall of the box body 1.
As shown in fig. 1, the control assembly 9 includes a third cylinder 91, the third cylinder 91 is fixedly connected to the inner side wall of the connecting pipe 7, the output end of the third cylinder 91 is hinged to the flow distribution plate 8, the output direction of the third cylinder 91 is along the vertical direction, the third cylinder 91 is telescopic, so that the position of the flow distribution plate 8 can be adjusted, the flow distribution plate 8 can be abutted to the upper wall or the lower wall of the connecting pipe 7 as required, and therefore the impurity collection and the coal storage operation can be conveniently performed.
As shown in fig. 1, buffering post 3 includes sleeve 31, sleeve 31 fixed connection is in mounting panel 4, sleeve 31 is kept away from mounting panel 4 one side and is inserted and be equipped with connecting axle 32, and both sliding connection, connecting axle 32 and the coaxial setting of sleeve 31, all along vertical direction, connecting axle 32 fixed connection is in screen cloth 2, the inside buffer spring 33 that is equipped with of sleeve 31, buffer spring 33 one end fixed connection is in the sleeve 31 inside wall, buffer spring 33 other end fixed connection is in connecting axle 32, buffer spring 33 flexible direction is along connecting axle 32 axis direction, buffer spring 33 can be when connecting axle 32 receives external force impact, the external force that receives connecting axle 32 cushions the energy-absorbing, thereby reach the mesh of buffering, connecting axle 32 is when receiving external force, buffer spring 33 is in the not flexible state.
As shown in fig. 1, a suction fan 15 is fixedly connected to the inside of the second guide duct 12, and can draw the impurities into the impurity box 14 by using negative pressure of air, thereby facilitating the collection operation of the impurities.
The implementation principle of the embodiment is as follows: when the screen 2 needs to be cleaned, firstly, the vibration motor is started to drive the screen 2 to vibrate, impurities in holes of the screen 2 are vibrated out of the screen 2 by the vibration of the screen 2, the screen 2 is preliminarily cleaned, meanwhile, the vibration of the screen 2 can drive the connecting shaft 32 to move, and further the cushioning spring is driven to compress or extend, so that the vibration generated by the screen 2 is absorbed, and the vibration quantity of the box body 1 is reduced; when the second air cylinder 64 and the air pump 63 are started, the second air cylinder 64 can drive the connecting plate 61 to move along the surface of the screen 2, the arranged air pump 63 can generate air flow with pressure, and the air flow impacts the impurities blocked in the meshes of the screen 2 through the air blowing pipe 62, so that the impurities are blown away from the screen 2; the first air cylinder 53 is started again to drive the brush plate 51 and the brush bristles 52 to move along the upper surface of the screen 2, impurities attached to the upper surface of the screen 2 and impurities blown out through the air blowing pipe 62 are cleaned, the screen 2 is cleaned, the arranged flow distribution plate 8 is abutted against the lower wall of the connecting pipe 7 under the driving of the third air cylinder 91, the second guide pipe 12 is communicated with the connecting pipe 7, the exhaust fan 15 is started again, and the impurities are sucked into the impurity box 14 by using air negative pressure; after the cleaning is finished, the third cylinder 91 is started to drive the flow distribution plate 8 to abut against the upper wall of the connecting pipe 7, so that the first conduit 11 and the connecting pipe 7 are in a communicated state.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (6)

1. The utility model provides a screen cloth cleaning device for coal dressing machine, includes box (1), the coal mouth has been seted up at box (1) top, the slag notch has been seted up to box (1) bottom, its characterized in that: the screen cloth (2) is arranged in the box body (1), the screen cloth (2) is obliquely arranged, a plurality of buffer columns (3) are fixedly connected at the corners of the bottom of the screen cloth (2), a plurality of buffer columns (3) are fixedly connected with a mounting plate (4), a vibrating motor (16) is fixedly connected at the bottom of the screen cloth (2), the vibrating motor (16) is fixedly connected with the mounting plate (4), the mounting plate (4) is fixedly connected with the inner side wall of the box body (1), a first cleaning component (5) is arranged at the bottom of the screen cloth (2), a second cleaning component (6) is arranged at the top of the screen cloth (2), a connecting pipe (7) penetrates through the bottom side of the box body (1) close to the screen cloth (2), the connecting pipe and the screen cloth (1) are fixedly connected, a splitter plate (8) is arranged in the connecting pipe (7), and the splitter plate (8) is connected with a control component (9), keep away from flow distribution plate (8) control assembly (9) one side articulates there is connecting rod (10), connecting rod (10) fixed connection in connecting pipe (7) inside wall, connecting pipe (7) are kept away from box (1) one end intercommunication has first pipe (11) and second pipe (12), and with first pipe (11) with the equal fixed connection of second pipe (12), first pipe (11) fixedly connected with stores up coal case (13), second pipe (12) fixedly connected with impurity case (14).
2. The screen cleaning device for the coal separator according to claim 1, wherein: first clean subassembly (5) are including brushing board (51), brush board (51) bottom is provided with brush hair (52), brush hair (52) laminate in screen cloth (2) set up, brush board (51) one side fixedly connected with first cylinder (53) output, first cylinder (53) fixed connection in box (1) inside wall, first cylinder (53) output is followed screen cloth (2) set up the direction.
3. The screen cleaning device for the coal separator according to claim 1, wherein: clean subassembly (6) of second is including connecting plate (61), a plurality of gas blow pipes (62) of connecting plate (61) upside fixedly connected with, it is a plurality of gas blow pipe (62) evenly set up along the straight line, it is a plurality of gas blow pipe (62) all communicate has air pump (63) output, air pump (63) fixed connection in connecting plate (61), connecting plate (61) one side fixedly connected with second cylinder (64) output, second cylinder (64) fixed connection in box (1) inside wall, connecting plate (61) runs through and is equipped with a plurality of guide bars (65), and is a plurality of the equal fixed connection in guide bar (65) both ends in box (1) inside wall.
4. The screen cleaning device for the coal separator according to claim 1, wherein: the control assembly (9) comprises a third cylinder (91), the third cylinder (91) is fixedly connected to the inner side wall of the connecting pipe (7), and the output end of the third cylinder (91) is hinged to the flow distribution plate (8).
5. The screen cleaning device for the coal separator according to claim 1, wherein: buffer column (3) include sleeve (31), sleeve (31) fixed connection in mounting panel (4), sleeve (31) are kept away from mounting panel (4) one side is inserted and is equipped with connecting axle (32), and both sliding connection, connecting axle (32) fixed connection in screen cloth (2), sleeve (31) inside is equipped with buffer spring (33), buffer spring (33) one end fixed connection in sleeve (31) inside wall, buffer spring (33) other end fixed connection in connecting axle (32), buffer spring (33) flexible direction is followed connecting axle (32) axis direction.
6. The screen cleaning device for the coal separator according to claim 1, wherein: an exhaust fan (15) is fixedly connected in the second conduit (12).
CN202121515468.6U 2021-07-05 2021-07-05 Screen cloth cleaning device for coal dressing machine Active CN214975735U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121515468.6U CN214975735U (en) 2021-07-05 2021-07-05 Screen cloth cleaning device for coal dressing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121515468.6U CN214975735U (en) 2021-07-05 2021-07-05 Screen cloth cleaning device for coal dressing machine

Publications (1)

Publication Number Publication Date
CN214975735U true CN214975735U (en) 2021-12-03

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ID=79100671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121515468.6U Active CN214975735U (en) 2021-07-05 2021-07-05 Screen cloth cleaning device for coal dressing machine

Country Status (1)

Country Link
CN (1) CN214975735U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114311399A (en) * 2022-02-15 2022-04-12 李万婵 High-efficient reducing mechanism of raw materials for plastic tubing production
CN115041398A (en) * 2022-08-01 2022-09-13 浙江通惠矿山机械有限公司 Three-shaft vibrating screen
CN115445289A (en) * 2022-10-20 2022-12-09 山东科瑞油气装备有限公司 Negative pressure self-cleaning screen device
CN115583517A (en) * 2022-10-28 2023-01-10 微山金源煤矿 Novel coal mine belt conveyor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114311399A (en) * 2022-02-15 2022-04-12 李万婵 High-efficient reducing mechanism of raw materials for plastic tubing production
CN114311399B (en) * 2022-02-15 2023-12-15 贵州华晟恒信电力通讯科技有限公司 Efficient raw material crushing device for plastic pipe production
CN115041398A (en) * 2022-08-01 2022-09-13 浙江通惠矿山机械有限公司 Three-shaft vibrating screen
CN115041398B (en) * 2022-08-01 2024-04-02 浙江通惠矿山机械有限公司 Triaxial vibrating screen
CN115445289A (en) * 2022-10-20 2022-12-09 山东科瑞油气装备有限公司 Negative pressure self-cleaning screen device
CN115583517A (en) * 2022-10-28 2023-01-10 微山金源煤矿 Novel coal mine belt conveyor

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