CN111774152A - Unpowered ball mill grinding head screen excess material self-driving back grinding device - Google Patents

Unpowered ball mill grinding head screen excess material self-driving back grinding device Download PDF

Info

Publication number
CN111774152A
CN111774152A CN202010675577.8A CN202010675577A CN111774152A CN 111774152 A CN111774152 A CN 111774152A CN 202010675577 A CN202010675577 A CN 202010675577A CN 111774152 A CN111774152 A CN 111774152A
Authority
CN
China
Prior art keywords
mill
screen
lifting wheel
bucket type
ball mill
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.)
Withdrawn
Application number
CN202010675577.8A
Other languages
Chinese (zh)
Inventor
董忠
李亚南
王佳明
马景澳
李鹏翔
王永波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Qingzhong Machinery Manufacturing Co ltd
Original Assignee
Qingdao Qingzhong Machinery Manufacturing Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Qingzhong Machinery Manufacturing Co ltd filed Critical Qingdao Qingzhong Machinery Manufacturing Co ltd
Priority to CN202010675577.8A priority Critical patent/CN111774152A/en
Publication of CN111774152A publication Critical patent/CN111774152A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/1825—Lifting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/183—Feeding or discharging devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/24—Driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/02—Feeding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B07B1/24—Revolving drums with fixed or moving interior agitators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4618—Manufacturing of screening surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention discloses a self-driving back-grinding device for screen excess material at a grinding head of a power-free ball mill, which comprises an assembled double-screw cylinder screen, an inner bucket type material lifting wheel, a mill power output device and an inserted screw feeding pipe, wherein one end of the assembled double-screw cylinder screen is connected with a mill discharge port through a bolt, the other end of the assembled double-screw cylinder screen is connected with one end of the inner bucket type lifting wheel through a bolt, the other end of the inner bucket type lifting wheel is connected with the mill power output device through a bolt, the bottom of the mill power output device is arranged on an equipment mounting bracket main body, one end of the inserted screw feeding pipe is in transmission connection with the mill power output device, the other end of the inserted screw feeding pipe penetrates through the inner bucket type material lifting wheel and the assembled double-screw cylinder screen and extends into the mill, the invention utilizes the self power to realize the screening, the energy consumption of the equipment is reduced.

Description

Unpowered ball mill grinding head screen excess material self-driving back grinding device
Technical Field
The invention relates to the technical field of ore grinding equipment, in particular to a self-driving back grinding device for excess sieve of a grinding head of an unpowered ball mill.
Background
In the mineral separation industry of mines in China, except for the coarse grinding process by autogenous grinding or semi-autogenous grinding, the other ore grinding processes basically adopt two-stage ore grinding technology, the first stage of ore grinding adopts a ball mill to perform wet coarse grinding, and the second stage of ore grinding is performed on separated middlings, so that the process requirements are met.
In the two-stage ore grinding process, whether the one-stage ball mill adopts lattice mill or overflow mill, the materials after coarse grinding are classified by using screening equipment, the materials enter the next processing procedure under the screen, and the materials return to the ball mill on the screen for repeated grinding until the qualified particle size is completely achieved. The material discharged from the first stage of ore grinding is basically inspected and sieved by a grinding head sieve (commonly known as a tail grinding cylinder sieve), a negative angle spiral classifier or a linear vibrating sieve and a large-inclination-angle belt, because the material on the sieve has a certain distance and fall with a feeding port of the grinding machine after being sieved out, secondary grinding of the material on the sieve is difficult to realize without adding auxiliary equipment, the auxiliary equipment is adopted immediately, and the problems of difficult installation of the auxiliary equipment, serious abrasion of the auxiliary equipment, huge energy consumption and the like exist, so that the material on the sieve after tail grinding, discharging and classification is returned to a ball mill to become an industrial problem.
Disclosure of Invention
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a mill device is returned from driving to unpowered ball mill bistrique sieve clout, includes assembled double helix drum sieve, interior fill formula material lifting pulley, mill power take off, bayonet spiral feed pipe, assembled double helix drum sieve one end is passed through the bolt and is connected with the mill bin outlet, and the other end is passed through the bolt and is connected with interior fill formula lifting pulley one end, the interior fill formula lifting pulley other end is passed through the bolt and is connected with mill power take off, mill power take off bottom sets up in equipment fixing support main part, bayonet spiral feed pipe one end is connected with mill power take off transmission, and the other end passes interior fill formula material lifting pulley, the inside of assembled double helix drum sieve stretch into the mill, mill power take off passes assembled double helix drum sieve, interior fill formula material lifting pulley rather than being connected with it and transmits the mill self-rotation power to assembled double helix drum sieve, the assembled double helix cylindrical screen is rotated.
As an improvement, the assembly type double-helix cylindrical screen is a cylinder body with outlets at two ends, and comprises a screen cylinder frame, an external fixed screen arranged outside the screen cylinder frame, steel plate flanges arranged at two ends of the screen cylinder frame and double-helix internal spiral steel plates arranged inside the screen cylinder frame.
As an improvement, the inner bucket type material lifting wheel comprises a cylindrical steel plate with openings at two ends and annular steel plates arranged at two ends of the cylindrical steel plate, and inclined partition plates are sequentially arranged on the inner side of the cylindrical steel plate at intervals in the circumferential direction.
As an improvement, the inner bucket type material lifting wheel and the assembly type double-helix cylindrical screen are coaxially arranged, and the inner diameter of the inner bucket type material lifting wheel is larger than that of the assembly type double-helix cylindrical screen.
As an improvement, the power output device of the mill comprises a side-mounted internal tooth gear ring arranged on the outer side of the end part of an inner bucket type material lifting wheel, a transmission pinion meshed with the inside of the side-mounted internal tooth gear ring, a horizontal transmission shaft connected to the axis of the transmission pinion and a heavy chain gear arranged on the horizontal transmission shaft, wherein the heavy chain gear is in transmission connection with a plug-in spiral feeding pipe through a chain, and two ends of the horizontal transmission shaft are arranged on a mounting bracket main body through bearing seats.
As an improvement, bayonet spiral feed pipe includes the body, sets up in the end cover at body both ends, runs through the screw axis that sets up between the end cover, screw axis one end is stretched out the end cover and is connected with the driven sprocket who is connected with the chain, the body is close to one end upper portion of driven sprocket and is equipped with the feed inlet that corresponds with interior hopper-type material lifting wheel, and other end bottom is equipped with the bin outlet that corresponds with the mill inner chamber.
As an improvement, a supporting bracket connected with the mounting bracket main body is arranged between the end cover and the driven sprocket.
As an improvement, the mounting bracket main body comprises a mounting bottom plate and a mounting frame arranged on the upper portion of the mounting bottom plate, the supporting bracket is arranged on the mounting bottom plate, and the top of the mounting frame is connected with the bearing seat.
As an improvement, the feeding port is a fan-shaped feeding port with a large upper opening and a small lower opening.
After adopting the structure, the invention has the following advantages: the invention adds a double-helix discharging plate, an inner hopper type material wheel, an inserted type spiral feeding pipe, a mill power output system and other devices on the basis of the traditional grinding head cylindrical screen, completely utilizes the self power of the ball mill to realize material screening, lifting and returning to the feeding end in the mill, and realizes a brand new device that the material on the screen is not directly returned by the external discharge.
The method has the following advantages:
1. no new power is added: through the power output device, the output and the utilization of the power of the mill are realized, and the operation of equipment can be realized without newly adding power.
2. The side-mounted inner gear ring changes the traditional inner gear ring mounting mode, and the gear ring fixing point is arranged on the outer side of the gear ring, so that a brand new power output mode driven by the inner gear ring is realized.
3. The inner bucket type lifting wheel can change the angle of the central shaft by utilizing the rotating process of the fixed material separating plate, and the material can freely fall by depending on the gravity under a certain angle, so that the position of the bottom of the screen in the material is lifted to the position of the top of the screen, and the material is lifted.
4. The spiral feeding device of the plug-in type inner spiral pipe adopts a cantilever installation mode, one end of the spiral feeding device is fixed, the other end of the spiral feeding device is suspended into the grinding machine, and the horizontal material conveying is realized by the rotation of the spiral shaft.
Drawings
Fig. 1 is a schematic structural diagram of a self-driven grinding return device for excess sieve of a grinding head of an unpowered ball mill.
FIG. 2 is a schematic view of an assembly structure of an inserted spiral feeding pipe and a mill power output device in the unpowered ball mill grinding head screen residue self-driving back-grinding device.
FIG. 3 is a schematic view of an assembly structure of an inserted spiral feeding pipe and an inner bucket type material lifting wheel in the unpowered ball mill grinding head screen residue self-driving back grinding device.
FIG. 4 is a schematic structural diagram of an assembled double-helix cylindrical screen in the unpowered ball mill grinding head screen residue self-driving back-grinding device.
FIG. 5 is a schematic view of the end structure of a double-helix cylindrical screen assembled in the unpowered ball mill grinding head screen residue self-driving back-grinding device.
Fig. 6 is a schematic structural diagram of an inner bucket type material lifting wheel in the unpowered ball mill grinding head screen residue self-driving back grinding device.
Fig. 7 is a schematic structural view of the end part of an inner bucket type material lifting wheel in the unpowered ball mill grinding head screen residue self-driving back grinding device.
FIG. 8 is a schematic structural diagram of a mill power output device in the unpowered ball mill grinding head screen residue self-driving back-grinding device of the invention.
FIG. 9 is a schematic structural diagram of an end part of a mill power output device in the unpowered ball mill grinding head screen residue self-driving back grinding device.
FIG. 10 is a schematic structural view of an inserted spiral feeding pipe in the self-driven back grinding device for the grinding head screen residue of the unpowered ball mill of the present invention.
In the figure: 1. assembled double helix drum sieve, 1.1, sieve cylinder frame, 1.2, external fixed screen, 1.3, steel plate flange, 1.4, double helix internal spiral steel plate, 2, internal bucket type material lifting wheel, 2.1, cylinder type steel plate, 2.2, circular steel plate, 2.3, inclined partition plate, 3, mill power output device, 3.1, side-mounted internal tooth gear ring, 3.2, drive pinion, 3.3, horizontal drive shaft, 3.4, heavy chain gear, 3.5, chain, 3.6, bearing seat, 4, inserted spiral feeding pipe, 4.1, pipe body, 4.2, end cover, 4.3, spiral shaft, 4.4, driven chain gear, 4.5, feeding port, 4.6, discharge port, 4.7, support bracket, 5, discharge port, 6, equipment mounting bracket main body, 6.1, mounting bottom plate, 6.2, mounting frame.
Detailed Description
Combine the attached drawing, a mill device is returned from driving to unpowered ball mill bistrique sieve clout, including assembled double helix drum sieve 1, interior fill formula material lifting pulley 2, mill power take off 3, bayonet spiral feed pipe 4, assembled double helix drum sieve 1 one end is passed through the bolt and is connected with mill bin outlet 5, and the other end passes through the bolt and is connected with interior fill formula lifting pulley 2 one end, interior fill formula lifting pulley 2 other end is passed through the bolt and is connected with mill power take off 3, mill power take off 3 bottom sets up on equipment fixing support main part 6, bayonet spiral feed pipe 4 one end is connected with mill power take off 3 transmission, and the other end passes interior fill formula material lifting pulley 2, assembled double helix drum sieve 1 and stretches into inside the mill, mill power take off 3 is through assembled double helix drum sieve 2, the bayonet spiral feed pipe 4 that rather than being connected, The internal bucket type material lifting wheel transmits the self-rotation force of the mill 1 to the assembled double-helix cylindrical screen 4, so that the assembled double-helix cylindrical screen 4 rotates.
As a preferred embodiment of this embodiment, the assembled double-spiral cylindrical screen 1 is a cylinder with outlets at two ends, and the assembled double-spiral cylindrical screen 1 includes a screen frame 1.1, an external fixed screen mesh 1.2 disposed outside the screen frame 1.1, steel plate flanges 1.3 disposed at two ends of the screen frame 1.1, and a double-spiral internal spiral steel plate 1.4 disposed inside the screen frame 1.3. The main functions of this part are the delivery, classification, and power output source of the mill discharge.
As a preferred embodiment of this embodiment, the inner bucket type material lifting wheel 2 includes a cylindrical steel plate 2.1 with openings at two ends and circular steel plates 2.2 disposed at two ends of the cylindrical steel plate 2.1, and inclined partition plates 2.3 are sequentially disposed on the inner side of the cylindrical steel plate 2.1 at intervals in the circumferential direction. The part is mainly used for lifting the oversize material which is screened out by the spiral screen and does not meet the process requirement into a feed port of the spiral feeding pipe.
As a preferred embodiment of this embodiment, the inner bucket type material lifting wheel 2 and the assembled double-spiral cylindrical screen 1 are coaxially arranged, and the inner diameter of the inner bucket type material lifting wheel 2 is larger than that of the assembled double-spiral cylindrical screen 1.
As a preferred embodiment of the present embodiment, the mill power output device 3 includes a side-mounted internal-tooth gear ring 3.1 disposed outside the end of the inner bucket type material lifting wheel 2, a transmission pinion 3.2 engaged inside the side-mounted internal-tooth gear ring 3.1, a horizontal transmission shaft 3.3 connected to the axis of the transmission pinion 3.2, and a heavy sprocket 3.4 disposed on the horizontal transmission shaft 3.3, the heavy sprocket 3.4 is in transmission connection with the inserted screw feeding pipe 4 through a chain 3.5, and both ends of the horizontal transmission shaft 3.3 are disposed on the mounting bracket main body 6 through bearing seats 3.6. The part utilizes the power transmitted by the self-rotation of the mill after the assembled double-helix cylindrical screen and the inner bucket type material lifting wheel are connected with the mill to synchronously drive a side-mounted inner gear ring bolted with the lifting wheel, a transmission pinion is meshed with the inner gear ring, the inner gear ring rotates the pinion, a heavy chain gear is driven to rotate through a horizontal transmission shaft, the shaft is reliably connected with an equipment mounting support body through bearing seats at two ends, and a heavy connecting gear and a driven chain gear of an inserted spiral feeding pipe adopt chain transmission to realize power output.
As a preferred embodiment of this embodiment, the plug-in spiral feeding pipe 4 includes a pipe body 4.1, end caps 4.2 disposed at two ends of the pipe body 4.1, and a spiral shaft 4.3 disposed between the end caps 4.2, one end of the spiral shaft 4.3 extends out of the end caps 4.2 and is connected to a driven sprocket 4.4 connected to a chain 3.5, a feeding opening 4.5 corresponding to the inner bucket type material lifting wheel 2 is disposed at an upper portion of one end of the pipe body 4.1 close to the driven sprocket 4.4, and a discharging opening 4.6 corresponding to an inner cavity of the mill is disposed at a bottom of the other end. The material gets into the outward appearance through the hopper inside, relies on driven sprocket drive screw axis, steadily pushes the material to the terminal bin outlet of spiral feeding pipe, accomplishes the intraductal horizontal transport of material.
As a preferred embodiment of the present embodiment, a supporting bracket 4.7 connected to the mounting bracket main body 6 is disposed between the end cap 4.2 and the driven sprocket 4.4.
As a preferred embodiment of this embodiment, the mounting bracket main body 6 includes a mounting bottom plate 6.1, a mounting frame 6.2 disposed on the upper portion of the mounting bottom plate 6.1, the supporting bracket 4.7 disposed on the mounting bottom plate 6.1, and the top of the mounting frame 6.2 connected to the bearing seat 3.6.
As a preferred embodiment of this embodiment, the feeding opening 4.5 is a fan-shaped feeding opening with a large upper opening and a small lower opening.
When the material grading device is implemented specifically, the assembled double-helix cylindrical sieve grades materials discharged by the ball mill, conveys the materials into the inner bucket type material lifting wheel by virtue of the double helix plate, the lifting wheel rotates along with the mill, falls into a feeding port of the spiral feeding pipe by virtue of self-gravity in a top mode, and horizontally and rotatably conveys the materials to an inner inlet end of the mill by virtue of the horizontal helix shaft in the feeding pipe, so that the material returning of the sieved materials is realized, and the process link is completed.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. A self-driven grinding return device for excess screen materials at a grinding head of a power-free ball mill is characterized by comprising an assembled double-helix cylindrical screen, an inner bucket type material lifting wheel, a mill power output device and an inserted spiral feeding pipe, wherein one end of the assembled double-helix cylindrical screen is connected with a discharge port of the mill through a bolt, the other end of the assembled double-helix cylindrical screen is connected with one end of the inner bucket type lifting wheel through a bolt, the other end of the inner bucket type lifting wheel is connected with the mill power output device through a bolt, the bottom of the mill power output device is arranged on a device mounting bracket main body, one end of the inserted spiral feeding pipe is in transmission connection with the mill power output device, the other end of the inserted spiral feeding pipe penetrates through the inner bucket type material lifting wheel and the assembled double-helix cylindrical screen to stretch into the interior of the mill, the mill power output device transmits the self-rotation force of the mill to the, the assembled double helix cylindrical screen is rotated.
2. The unpowered ball mill grinding head screen residue self-driving back-grinding device according to claim 1, wherein the assembled double-helix cylindrical screen is a cylinder with outlets at two ends, and comprises a screen cylinder frame, an external fixed screen arranged outside the screen cylinder frame, steel plate flanges arranged at two ends of the screen cylinder frame, and a double-helix internal spiral steel plate arranged inside the screen cylinder frame.
3. The unpowered ball mill grinding head screen residue self-driven back-grinding device as claimed in claim 1, wherein the inner bucket type material lifting wheel comprises a cylindrical steel plate with openings at two ends and circular steel plates arranged at two ends of the cylindrical steel plate, and inclined partition plates are sequentially arranged on the inner side of the cylindrical steel plate at circumferential intervals.
4. The unpowered ball mill grinding head screen residue self-driven back grinding device according to claim 1, wherein the inner bucket type material lifting wheel and the assembled double-helix cylindrical screen are coaxially arranged, and the inner diameter of the inner bucket type material lifting wheel is larger than that of the assembled double-helix cylindrical screen.
5. The unpowered ball mill grinding head screen residue self-driving back grinding device according to claim 1, wherein the mill power output device comprises a side-mounted internal tooth gear ring arranged outside the end portion of the inner bucket type material lifting wheel, a transmission pinion meshed inside the side-mounted internal tooth gear ring, a horizontal transmission shaft connected to the axis of the transmission pinion, and a heavy sprocket arranged on the horizontal transmission shaft, the heavy sprocket is in transmission connection with the inserted spiral feeding pipe through a chain, and two ends of the horizontal transmission shaft are arranged on the mounting bracket main body through bearing seats.
6. The unpowered ball mill grinding head screen residue self-driving back grinding device as claimed in claim 5, wherein the plug-in spiral feeding pipe comprises a pipe body, end covers arranged at two ends of the pipe body, and a spiral shaft penetrating between the end covers, one end of the spiral shaft extends out of the end covers and is connected with a driven sprocket connected with a chain, a feeding port corresponding to the inner bucket type material lifting wheel is arranged at the upper part of one end of the pipe body close to the driven sprocket, and a discharging port corresponding to the inner cavity of the mill is arranged at the bottom of the other end of the pipe body.
7. The unpowered ball mill grinding head screen residue self-driving back grinding device according to claim 6, wherein a support bracket connected with the mounting bracket main body is arranged between the end cover and the driven sprocket.
8. The unpowered ball mill grinding head screen residue self-driving back grinding device according to claim 7, wherein the mounting bracket main body comprises a mounting base plate and a mounting frame arranged on the upper portion of the mounting base plate, the supporting bracket is arranged on the mounting base plate, and the top of the mounting frame is connected with the bearing seat.
9. The unpowered ball mill grinding head screen residue self-driven back grinding device according to claim 6, wherein the feeding port is a fan-shaped feeding port with a large upper opening and a small lower opening.
CN202010675577.8A 2020-07-14 2020-07-14 Unpowered ball mill grinding head screen excess material self-driving back grinding device Withdrawn CN111774152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010675577.8A CN111774152A (en) 2020-07-14 2020-07-14 Unpowered ball mill grinding head screen excess material self-driving back grinding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010675577.8A CN111774152A (en) 2020-07-14 2020-07-14 Unpowered ball mill grinding head screen excess material self-driving back grinding device

Publications (1)

Publication Number Publication Date
CN111774152A true CN111774152A (en) 2020-10-16

Family

ID=72768676

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010675577.8A Withdrawn CN111774152A (en) 2020-07-14 2020-07-14 Unpowered ball mill grinding head screen excess material self-driving back grinding device

Country Status (1)

Country Link
CN (1) CN111774152A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113399104A (en) * 2021-07-05 2021-09-17 浙江武精机器制造有限公司 Sand washer of using water wisely
CN115138571A (en) * 2021-07-27 2022-10-04 哈尔滨商业大学 Traditional Chinese medicine sorting device containing discharge channel and used for processing traditional Chinese medicine decoction pieces

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113399104A (en) * 2021-07-05 2021-09-17 浙江武精机器制造有限公司 Sand washer of using water wisely
CN115138571A (en) * 2021-07-27 2022-10-04 哈尔滨商业大学 Traditional Chinese medicine sorting device containing discharge channel and used for processing traditional Chinese medicine decoction pieces

Similar Documents

Publication Publication Date Title
CN211637231U (en) Screening mechanism for industrial solid waste
CN201807527U (en) Spiral rotating sieve
CN111774152A (en) Unpowered ball mill grinding head screen excess material self-driving back grinding device
CN211190926U (en) Ore dressing divides appearance device with mechanical stirring
CN210497260U (en) Multistage drum-type sand and stone separator
CN109865561A (en) A kind of screening type flour mill of large reduction ratio support roller carrying roller support
CN203209296U (en) Multistage rotary screening machine
CN103170452A (en) Rotary screening machine
CN213230667U (en) Feeding device of elevator
CN212370311U (en) Unpowered ball mill grinding head screen excess material self-driving back grinding device
CN211026712U (en) Building abandonment recycled aggregate separator
CN208990899U (en) A kind of refuse classification processing equipment
CN203209300U (en) Rotary screening machine
CN212681130U (en) Automatic sieving and crushing device for solid particles
CN2714167Y (en) Screening machine with multiple cylinders
CN212092522U (en) Crushing equipment for ore dressing
CN111203296A (en) Multifunctional low-speed grain elevator
CN215542529U (en) Particle screening device for chemical production
CN213287047U (en) Feed separation and collection device
CN215542776U (en) Alumina lining plate screening device
CN217375932U (en) Conveying device for grinding aluminum special sand for grinding wheel production line
CN215541181U (en) Broken hierarchical collection device of cone type quartz sand crude ore
CN217411508U (en) Mine exploitation prevents stifled ore grading plant
CN219804931U (en) Rice processing is with rough separator of millet
CN211275383U (en) Grain separator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20201016

WW01 Invention patent application withdrawn after publication