CN212348962U

CN212348962U - Trapezoidal laminated nano sand mill

Info

Publication number: CN212348962U
Application number: CN202020644092.8U
Authority: CN
Inventors: 张思友; 张耀城; 何伟钟; 欧建毅; 罗小华; 张国锋
Original assignee: Dongguan Huahui Precision Machinery Co ltd
Current assignee: Guangdong Huahui Intelligent Equipment Co ltd
Priority date: 2020-04-25
Filing date: 2020-04-25
Publication date: 2021-01-15
Anticipated expiration: 2030-04-25

Abstract

The utility model discloses a trapezoidal lamination formula nanometer sand mill belongs to nanometer sand mill technical field. Comprises the following steps: the grinding machine comprises a frame, a main shaft, a driving device, a grinding cylinder, a spacing sleeve, a plurality of laminated rod pins, a hollow grinding rotor, a plurality of hollow grinding rotors, a discharging screen, a gland, an end cover, a feeding pipe and a discharging pipe; a discharge pipe arranged on the end cover penetrates through the hollow grinding rotor and extends into the cavity, and a discharge screen is arranged in the cavity and sleeved on the port of the discharge pipe; the hollow grinding rotor is provided with a plurality of through holes communicated with the cavity, the hollow grinding rotors are fixed on the outer wall of the hollow grinding rotor, and the outer wall of the hollow grinding rotor is provided with a through groove; a cooling loop is embedded in the grinding cylinder, a cooling guide pipe is arranged on the end cover, and the cooling guide pipe is arranged along the discharge pipe and extends into the discharge sieve; the utility model discloses ejection of compact separator system wearing and tearing are little, and ejection of compact flow area is big, and the filter effect is good, and is efficient, long service life.

Description

Trapezoidal laminated nano sand mill

Technical Field

The utility model relates to a nanometer sand mill technical field especially relates to a trapezoidal lamination formula nanometer sand mill.

Background

There are a wide variety of existing sand mills, including mills for dry primary crushing grinding, such as Raymond mills, pile mills, and the like; also included are micron-size wet mills, such as ball-and-disk mills, colloid mills, air-jet mills, ultrasonic mills, agitator mills, homogenizers, emulsifiers, tumbling mills, and the like.

Traditional sand mill generally includes the grinding vessel and installs the rotor that is driven by the main shaft in the grinding vessel, at the one end of rotor or hollow rotor inner chamber installation separator, the sand mill separation efficiency of this kind of structure is not high, is difficult to dismantle, and the discharge gate blocks up easily, blocks up grinding medium, production efficiency is lower, in addition, generates heat easily in grinding the disengaging process, leads to sand mill working life to be short.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a trapezoidal lamination formula nanometer sand mill is proposed, the utility model discloses ejection of compact separation process wearing and tearing are little, and ejection of compact flow area is big, and the filter effect is good, and is efficient, long service life.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a trapezoidal lamination formula nanometer sand mill, including: the grinding device comprises a rack, a main shaft, a driving device for driving the main shaft, a grinding cylinder for placing micro-beads, a spacing sleeve, a plurality of laminated rod pins, a hollow grinding rotor, a plurality of hollow grinding rotors, a cylindrical discharging screen, a gland, an end cover, a feeding pipe communicated with the gland and a discharging pipe communicated with the end cover;

the driving device and the grinding cylinder are arranged on the frame, the gland and the end covers are respectively arranged at two ends of the grinding cylinder, the main shaft penetrates through the gland and extends into the grinding cylinder, the spacing sleeve and the hollow grinding rotor are both positioned in the grinding cylinder, the spacing sleeve is sleeved on the main shaft, the hollow grinding rotor is sleeved at the tail end of the main shaft, the hollow grinding rotor is provided with a cavity, and a plurality of laminated bar pins are detachably fixed on the spacing sleeve;

the discharge pipe arranged on the end cover penetrates through the hollow grinding rotor and extends into the cavity, and the discharge screen is arranged in the cavity and sleeved on the port of the discharge pipe; the end surface of the hollow grinding rotor facing the main shaft is provided with a plurality of through holes communicated with the cavity, the hollow grinding rotors are fixed on the outer walls of the hollow grinding rotors, and the outer walls of the hollow grinding rotors are provided with a plurality of through grooves for improving discharge flow;

the grinding cylinder is embedded with a cooling loop for cooling the grinding cylinder, and the grinding cylinder is respectively provided with a grinding cylinder cooling liquid inlet and a grinding cylinder cooling liquid outlet which are communicated with the cooling loop;

the end cover is provided with a cooling conduit, the cooling conduit is arranged along the outer wall of the discharging pipe and extends into the discharging screen, and the cooling conduit is communicated with an end cover cooling liquid inlet and an end cover cooling liquid outlet.

Optionally, the laminated pin is provided with a flow port extending horizontally through the laminated pin.

Optionally, an inner cylinder is arranged in the grinding cylinder, the inner cylinder is attached to the inner wall of the grinding cylinder, and a part of the main shaft, the spacer sleeve, the laminated bar pin, the hollow grinding rotor and the discharging screen are all located in the inner cylinder.

Optionally, the driving device includes a motor, a first pulley, a belt, and a second pulley; the motor the main shaft all set up in the frame, first band pulley cover is located on the output of motor, the second band pulley cover is located be located outside the grinding barrel on the main shaft one end, first band pulley with the second band pulley passes through belt swing joint.

Optionally, a water tray is arranged on the machine frame and located below the grinding cylinder.

Optionally, the end cover is communicated with a feed pipe and a discharge pipe, and the feed pipe is located above the discharge pipe.

Optionally, a bearing seat is arranged on the frame, a front bearing and a rear bearing are arranged on the bearing seat, and the front bearing and the rear bearing are respectively sleeved on the main shaft.

Optionally, a mechanical seal is sleeved on the main shaft, the mechanical seal is located between the rear bearing and the gland, and the mechanical seal is fixed on the gland.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses by motor drive main shaft, detachable lamination formula stick round pin stirs the material on the main shaft drive interval cover, and the hollow grinding rotor that is equipped with the cavity rotates along with the main shaft rotation, further stirs the centrifugation to the material, and the discharging pipe cover that fixes at the end cover is equipped with ejection of compact screen cloth and is static and filter the material in the cavity, and the horizontal terminal surface of hollow grinding rotor has seted up the through-hole, and the outer wall has seted up logical groove and has made the ejection of compact flow area big, and the filter effect is good;

the cylindrical discharging screen is sleeved on the discharging pipe, so that the flow resistance is minimum, the filtering efficiency is greatly improved, in addition, the replacement and the disassembly are convenient, only the discharging pipe of the end cover needs to be moved out, and the discharging screen is separated from the hollow grinding rotor along with the discharging pipe;

be provided with cooling circuit's grinding vessel, have cooling conduit's end cover, the detachable end cover is fixed with the grinding vessel, and the accessible lets in cooling liquid to the cooling conduit on the end cover and cools off the discharging pipe, and the accessible lets in the cooling liquid cooling to grinding vessel's cooling circuit to effectively cooling grinding vessel, end cover, discharging pipe, avoid being heated for a long time and destroy, thereby improve sand mill's working life.

Drawings

FIG. 1 is a schematic structural diagram of a trapezoid laminated nanometer sand mill according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a partially enlarged structure at a position a of a trapezoidal laminated nano sand mill provided by an embodiment of the present invention.

In the figure:

1. a discharge pipe; 2. a feed tube; 3. a grinding cylinder; 4. a discharging screen; 5. a hollow grinding rotor; 6. a laminated bar pin; 7. a spacer sleeve; 8. an inner barrel; 9. a grinding cylinder cooling liquid outlet; 10. a motor; 11. a first pulley; 12. a belt; 13. a bearing seat; 14. a second pulley; 15. a main shaft; 16. a rear bearing; 17. a front bearing; 18. mechanical sealing; 19. a gland; 20. a grinding cylinder cooling liquid inlet; 21. an end cap; 22. a water pan; 23. a discharge pipe; 24. an end cap coolant inlet; 25. an end cap coolant outlet; 26. a flow port; 27. a through groove; 28. a through hole; 29. a cooling circuit; 30. the conduit is cooled.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1 and 2, a trapezoid laminated nanometer sand mill comprises: the grinding machine comprises a frame, a main shaft 15, a driving device for driving the main shaft 15, a grinding cylinder 3 for placing microbeads, a spacer sleeve 7, a plurality of laminated bar pins 6, a hollow grinding rotor 5, a plurality of hollow grinding rotors 5, a cylindrical discharging screen 4, a gland 19, an end cover 21, a feeding pipe communicated with the gland 19 and a discharging pipe 1 communicated with the end cover 21; the driving device and the grinding cylinder 3 are arranged on the frame, the gland 19 and the end cover 21 are respectively arranged at two ends of the grinding cylinder 3, the main shaft 15 penetrates through the gland 19 and extends into the grinding cylinder 3, the spacing sleeve 7 and the hollow grinding rotor 5 are both positioned in the grinding cylinder 3, the spacing sleeve 7 is sleeved on the main shaft 15, the hollow grinding rotor 5 is sleeved at the tail end of the main shaft 15, the hollow grinding rotor 5 is provided with a cavity, and a plurality of laminated bar pins are detachably fixed on the spacing sleeve 7; a discharge pipe 1 arranged on the end cover 21 penetrates through the hollow grinding rotor 5 and extends into the cavity, and a discharge screen 4 is arranged in the cavity and sleeved on the port of the discharge pipe 1; the end surface of the hollow grinding rotor 5 facing the main shaft 15 is provided with a plurality of through holes 28 communicated with the cavity, the hollow grinding rotors 5 are fixed on the outer wall of the hollow grinding rotor 5, and the outer wall of the hollow grinding rotor 5 is provided with a plurality of through grooves 27 for improving the discharge flow; the grinding cylinder 3 is embedded with a cooling loop 29 for cooling the grinding cylinder 3, and the grinding cylinder 3 is respectively provided with a grinding cylinder cooling liquid inlet 20 and a grinding cylinder cooling liquid outlet 9 which are communicated with the cooling loop 29; the end cover 21 is provided with a cooling conduit 30, the cooling conduit 30 is arranged along the outer wall of the discharge pipe 1 and extends into the discharge screen 4, and the cooling conduit 30 is communicated with an end cover cooling liquid inlet 24 and an end cover cooling liquid outlet 25.

The grinding cylinder 3 in the grinding cylinder 3 of the utility model is internally provided with a plurality of micro-beads, and the micro-beads and the feeding pipe are not marked with numbers; the micro-beads can be selected from grinding zirconium beads, as shown in fig. 1, two ends of the grinding cylinder 3 are respectively fixedly sealed by a gland 19 and an end cover 21, a feeding pipe penetrates through the gland 19 to be communicated with the inside of the grinding cylinder 3, and the feeding pipe is positioned on the left side of a cooling liquid outlet 9 of the grinding cylinder and is L-shaped; the arrow position in FIG. 2 indicates the flow direction in the tapping pipe 1 after the material has been filtered. The motor 10 drives the main shaft 15 to rotate, so that the laminated rod pin 6 on the spacer sleeve 7 is driven, the hollow grinding rotor 5 at the tail end of the main shaft 15 is driven to stir and rotate materials, the laminated rod pin 6 is detachably mounted on the spacer sleeve 7 and is convenient to detach and replace, the hollow grinding rotor 5 is provided with a through groove 27 and a stirring blade on the outer wall, a cavity for accommodating the discharging screen 4 is arranged in the hollow grinding rotor 5, the hollow grinding rotor 5 and the discharging screen 4 are not in contact with each other, the discharging screen 4 can be moved and pulled out from the right end of the hollow grinding rotor 5 during detachment, and the discharging screen 4 is cylindrical and can reduce flow resistance, so that; the discharging screen 4 is sleeved at the left end of the discharging pipe 1; the material that the microballon can collide the material and the adhesion is in lamination formula stick round pin 6, hollow grinding rotor 5 outer wall, through-hole 28, logical groove 27 along with the rotation of material to effectively reduce material adhesion, jam, improve dispersion filtration efficiency. Material and liquid flow into ejection of compact screen cloth 4 through-hole 28 and filter, and liquid accessible leads to groove 27 and discharges, reduces the resistance, and liquid also can flow into ejection of compact screen cloth 4 through leading to groove 27, and through-hole 28 is discharged at last, rotates when hollow grinding rotor 5, and centrifugal action makes ejection of compact screen cloth 4 avoid the adhesion constantly. Cooling conduit 30 inlays in the side of end cover 21 towards main shaft 15, and winding discharging pipe 1 sets up, cooling conduit 30 is located between discharging screen 4 and discharging pipe 1, discharging pipe 1 is static, hollow grinding rotor 5 and main shaft 15 rotate, thereby produce impact and hollow grinding rotor 5 of material to discharging pipe 1, main shaft 15 produces the heat to discharging screen 4's relative friction, accessible end cover coolant liquid entry 24 lets in the coolant liquid, the coolant liquid has been taken away heat by end cover coolant liquid export 25 in cooling conduit 30 is flowed, cooling conduit 30 is located between discharging screen 4 and discharging pipe 1, thereby simultaneously to discharging pipe 1, contact member such as discharging screen 4 dispels the heat, increase of service life. The end cover cooling liquid inlet 24 is positioned below the end cover cooling liquid outlet 25, the grinding cylinder 3 is internally provided with a cooling loop 29 which is embedded on the inner wall of the grinding cylinder 3, cooling liquid can be introduced through the grinding cylinder cooling liquid inlet 20, and the cooling liquid is discharged from the grinding cylinder cooling liquid outlet 9, so that the grinding cylinder 3 is cooled, and the service life of the grinding cylinder 3 is prolonged. The grinding cylinder cooling liquid outlet 9 is located above the opposite angle of the grinding cylinder cooling liquid inlet 20, and the cooling liquid is filled from bottom to top, so that the inner wall of the grinding cylinder 3 can be in contact with the cooling liquid, and uneven cooling is avoided. Discharging screen 4 is static to be located on the parcel has cooling pipe 30's discharging pipe 1, and hollow grinding rotor 5 rotates to both rotate simultaneously when avoiding filtering, guarantee gyration precision, reduce wearing and tearing.

Optionally, the laminated pin 6 is provided with flow ports 26, the flow ports 26 extending horizontally through the laminated pin 6. A plurality of flow ports 26 are provided so that the flow of the material or the like can be improved, and the obstruction of the laminated rod pin 6 to the inflow of the material into the through hole 28 is reduced, thereby improving the filtering efficiency.

Optionally, an inner cylinder 8 is arranged in the grinding cylinder 3, the inner cylinder 8 is attached to the inner wall of the grinding cylinder 3, and part of the main shaft 15, the spacer sleeve 7, the laminated rod pin 6, the hollow grinding rotor 5 and the discharging screen 4 are all located in the inner cylinder 8. The inner barrel 8 is arranged, so that the grinding barrel 3 can be conveniently replaced, the grinding barrel 3 can be effectively protected, the work can be continued by replacing the inner barrel 8, the grinding barrel 3 does not need to be replaced, and the cost is reduced.

Optionally, the driving device comprises a motor 10, a first belt pulley 11, a belt 12 and a second belt pulley 14; the motor 10 and the main shaft 15 are both arranged on the frame, the first belt wheel 11 is sleeved on the output end of the motor 10, the second belt wheel 14 is sleeved on one end of the main shaft 15 outside the grinding cylinder 3, and the first belt wheel 11 and the second belt wheel 14 are movably connected through a belt 12. The motor 10 can alleviate impact and reduce vibration by arranging the belt 12 to drive the main shaft 15, the transmission is stable, in addition, the belt 12 is convenient to detach, and the investment cost is low. The first belt wheel 11 and the second belt wheel 14 are both V belt wheels, the belt 12 is a V belt, and the size of the second belt wheel 14 is the same as that of the first belt wheel 11.

Optionally, a water pan 22 is provided on the frame, the water pan 22 being located below the grinding drum 3. The water pan 22 is provided for recovering moisture in the grinding drum 3, and when the screen is removed and replaced, liquid such as moisture is likely to leak.

Optionally, the end cover 21 is communicated with the charging pipe 2 and the discharging pipe 23, and the charging pipe 2 is located above the discharging pipe 23. Accessible filling tube 2 carries out input material to grinding cylinder 3, improves input efficiency and convenient mixing stirring. A discharge pipe 23 is provided to facilitate discharge of the remaining residue or material, etc.

Optionally, a bearing seat 13 is disposed on the frame, a front bearing 17 and a rear bearing 16 are disposed on the bearing seat 13, and the front bearing 17 and the rear bearing 16 are respectively sleeved on the main shaft 15. The bearing seat 13 is arranged to improve the rotating stability of the main shaft 15; the front bearing 17 and the rear bearing 16 ensure the rotation precision of the main shaft 15.

Optionally, the main shaft 15 is sleeved with a mechanical seal 18, the mechanical seal 18 is located between the rear bearing 16 and a gland 19, and the mechanical seal 18 is fixed on the gland 19. The mechanical seal 18 is provided to effectively prevent the material or liquid in the grinding cylinder 3 from leaking out of the intersection of the spindle 15 and the gland 19. As shown in fig. 1, the mechanical seal 18 is fixed to the left side surface of the gland 19.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a trapezoidal lamination formula nanometer sand mill which characterized in that, including: the grinding device comprises a rack, a main shaft, a driving device for driving the main shaft, a grinding cylinder for placing micro-beads, a spacing sleeve, a plurality of laminated rod pins, a hollow grinding rotor, a plurality of hollow grinding rotors, a cylindrical discharging screen, a gland, an end cover, a feeding pipe communicated with the gland and a discharging pipe communicated with the end cover;

2. The trapezoidal laminated nanosand mill of claim 1, wherein:

the lamination type rod pin is provided with a flow port, and the flow port horizontally penetrates through the lamination type rod pin.

3. The trapezoidal laminated nanosand mill of claim 1, wherein:

the grinding cylinder is internally provided with an inner cylinder, the inner cylinder is attached to the inner wall of the grinding cylinder, and the part of the main shaft, the spacing sleeve, the laminated rod pin, the hollow grinding rotor and the discharging screen are all positioned in the inner cylinder.

4. The trapezoidal laminated nanosand mill of claim 1, wherein:

the driving device comprises a motor, a first belt wheel, a belt and a second belt wheel; the motor the main shaft all set up in the frame, first band pulley cover is located on the output of motor, the second band pulley cover is located be located outside the grinding barrel on the main shaft one end, first band pulley with the second band pulley passes through belt swing joint.

5. The trapezoidal laminated nanosand mill of claim 1, wherein:

and a water tray is arranged on the frame and is positioned below the grinding cylinder.

6. The trapezoidal laminated nanosand mill of claim 1, wherein:

the end cover is communicated with a feeding pipe and a discharging pipe, and the feeding pipe is positioned above the discharging pipe.

7. The trapezoidal laminated nanosand mill of claim 1, wherein:

the bearing seat is arranged on the frame, a front bearing and a rear bearing are arranged on the bearing seat, and the front bearing and the rear bearing are respectively sleeved on the main shaft.

8. The trapezoidal laminated nanosand mill of claim 7, wherein:

the main shaft is sleeved with a mechanical seal, the mechanical seal is located between the rear bearing and the gland, and the mechanical seal is fixed on the gland.