CN209901413U - Overflow ball mill for gold ore mining and grinding - Google Patents
Overflow ball mill for gold ore mining and grinding Download PDFInfo
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- CN209901413U CN209901413U CN201821938401.1U CN201821938401U CN209901413U CN 209901413 U CN209901413 U CN 209901413U CN 201821938401 U CN201821938401 U CN 201821938401U CN 209901413 U CN209901413 U CN 209901413U
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Abstract
The utility model relates to the technical field of gold mine grinding accessories, in particular to an overflow ball mill for gold mine mining and grinding, which can quickly discharge ground mineral aggregates and improve the use reliability; the damping effect is better, and the use stability is improved; the grinding device comprises a bottom plate, a cylinder body and a mounting seat, wherein a grinding cavity is arranged in the cylinder body, a feeding pipeline is communicated with the central area of the left end of the cylinder body, a motor is arranged at the top end of the mounting seat, and a transmission shaft is arranged at the output end of the motor; the automatic feeding device comprises a cylinder body, a first chain wheel, a second chain wheel and a chain, and is characterized by further comprising a cylinder body, four groups of supports, a rotating shaft, the first chain wheel, the second chain wheel and the chain, wherein a left through hole and a right through hole are respectively and transversely formed in the upper half area of the left side wall and the upper half area of the right side wall of the cylinder body; the buffer device also comprises a buffer plate, four groups of springs and four groups of buffer rods.
Description
Technical Field
The utility model relates to a gold mine grinds technical field of auxiliary device, especially relates to an overflow ball mill for gold mine exploitation ore grinding.
Background
As is well known, the overflow ball mill for mining and grinding gold ores is a device for grinding mineral aggregates in the process of mining the gold ores, and is widely used in the field of gold ore grinding; the existing overflow ball mill for gold mining and ore grinding comprises a bottom plate, a cylinder body, a left support plate, a right support plate, a fluted disc and a mounting seat, wherein the bottom ends of the left support plate and the right support plate are respectively connected with a left half area and a right half area at the top end of the bottom plate, the upper half areas of the left side walls of the left support plate and the right support plate are respectively and transversely provided with a left rotating hole and a right rotating hole, a grinding cavity is arranged in the cylinder body, the central area at the left end of the cylinder body is communicated with a feeding pipeline, the central area at the right side wall of the cylinder body is communicated with a discharging pipeline, the input end of the feeding pipeline and the output end of the discharging pipeline respectively pass through the left rotating hole and the right rotating hole and are respectively and rotatably connected with the left rotating hole and the right rotating hole, the central area at the left side wall of the fluted disc is transversely provided with a, the output end of the motor is provided with a transmission shaft, the output end of the transmission shaft is provided with a gear, and the gear is meshed with the fluted disc; when the existing overflow ball mill for mining and grinding gold ores is used, steel balls are placed in a cylinder body, a motor is started, the motor drives a transmission shaft to rotate, the transmission shaft drives a gear to rotate, the gear rotates to drive a fluted disc to rotate, so that the cylinder body is driven to rotate, mineral materials are continuously poured into a grinding cavity from a feeding pipeline, and the grinding is carried out through collision between the steel balls and the mineral materials; the overflow ball mill for the existing gold mine exploitation mill is found in use that the milled mineral aggregate is easy to stay in a milling cavity, the subsequent milling process is influenced, and the use reliability is poor; the ball mill is damaged by vibration generated in the grinding process, and the use stability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a mineral aggregate which can be grinded and discharged quickly, and the use reliability is improved; the overflow ball mill for gold ore mining and grinding has a good damping effect and improves the use stability.
The utility model discloses an overflow ball mill for gold ore mining mill, including bottom plate, barrel and mount pad, the barrel is inside to be provided with the grinding chamber, and barrel left end central area intercommunication is provided with the charging conduit, and the mount pad bottom is connected with bottom plate top left half regional, and the mount pad top is provided with the motor, and the motor output end is provided with the transmission shaft; the feeding device comprises a box body, four groups of supports, a rotating shaft, a first chain wheel, a second chain wheel and chains, wherein the top ends of the four groups of supports are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the box body, the bottom ends of the four groups of supports are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of a bottom plate, a working cavity is arranged inside the box body, the upper half areas of the left side wall and the right side wall of the box body are respectively and transversely provided with a left through hole and a right through hole, the central area of the left side wall of the first chain wheel is transversely provided with a fixed hole, the output end of a feeding pipeline sequentially penetrates through holes and fixed holes, the outer side wall of the feeding pipeline is rotatably connected with the inner side wall of the through holes, the outer side wall, the left end of the rotating shaft is connected with the central area of the right side wall of the cylinder body, the right end of the rotating shaft penetrates through the right through hole and is rotatably connected with the right through hole, three groups of discharge ports are arranged in the right half area of the outer side wall of the cylinder body and are communicated with the grinding cavity, three groups of first filter screens are respectively arranged in the three groups of discharge ports, a discharge port is arranged in the right half area of the bottom end of the box body and is communicated with the working cavity; still include buffer board, four group's springs and four group's buffer beam, buffer board top left front side, right front side, left rear side and right rear side are provided with four groups of dashpots respectively, four group's buffer beam tops are connected with bottom plate bottom left front side, right front side, left rear side and right rear side respectively, and four group's blotter bottoms stretch into four groups of dashpots respectively in, four group's spring one end are connected with four group's dashpots inner bottom lateral wall central zone respectively, four group's spring other ends are connected with buffer beam bottom central zone respectively.
The utility model discloses an overflow ball mill for gold mine exploitation ore grinding still includes the second filter screen, the second filter screen is installed in the inside central zone of barrel.
The utility model discloses an overflow ball mill for gold mine exploitation ore grinding still includes the guide plate, guide plate left end and the half regional connection on the left side wall of box bottom right side, guide plate right-hand member and the half regional connection on the right side of box bottom side wall.
The utility model discloses an overflow ball mill for gold mine exploitation ore grinding, be provided with ball bearing in the right side perforating hole, the axis of rotation right-hand member pass ball bearing and with ball bearing key-type connection.
The utility model discloses an overflow ball mill for gold mine exploitation ore grinding, lateral wall central zone is provided with the observation hole before the box to be provided with transparent baffle in the observation hole.
The utility model discloses an overflow ball mill for gold ore mining ore grinding still includes the stabilizer bar, buffer board top central authorities are regional to be provided with the stable trough, stabilizer bar top and bottom plate bottom central authorities are regional to be connected, and the stabilizer bar bottom stretches into in the stable trough.
The utility model discloses an overflow ball mill for gold ore mining ore grinding still includes the stopper, the first region of left side wall is provided with the spacing groove in the stable tank, stopper right-hand member and stabilizer bar left side wall second region are connected, and the spacing inslot is stretched into to the gag lever post left end.
The utility model discloses an overflow ball mill for gold mine exploitation ore grinding still includes four group's rubber pads, four group's rubber pad tops are connected with bottom plate bottom left front side, right front side, left rear side and right rear side respectively.
Compared with the prior art, the beneficial effects of the utility model are that: the four groups of brackets play a role in supporting the box body, the box body is in a cuboid shape, the outer side wall of the feeding pipeline is rotatably connected with the left through hole, so that the feeding pipeline can smoothly rotate in the left through hole, the central area of the left side wall of the first chain wheel is transversely provided with a fixed hole, the input end of the feeding pipeline penetrates through the fixed hole and is fixedly connected with the fixed hole, the right end of the transmission shaft is connected with the central area of the left side wall of the second chain wheel, a chain is sleeved on the first chain wheel and the second chain wheel, a motor is turned on and drives the transmission shaft to rotate, the transmission shaft drives the second chain wheel to rotate, the first chain wheel and the second chain wheel are connected through the chain, the second chain wheel rotates to drive the first chain wheel to rotate, the feeding pipeline is driven to rotate by the first chain wheel to rotate, further, the rotation of the barrel body is realized, steel balls and mineral materials are, the grinding of mineral aggregate can be realized, because three groups of discharge ports are arranged in the right half area of the outer side wall of the cylinder body, three groups of first filter screens are arranged in the three groups of discharge ports, the three groups of discharge ports are arranged at equal intervals, after the mineral aggregate is fully ground, when the volume is smaller than the size of the upper holes of the three groups of first filter screens, the mineral aggregate can fall from the three groups of first filter screens and then is discharged from the discharge port, the ground mineral aggregate can be rapidly discharged, and the use reliability is improved; four group's buffer beam bottom stretch into four groups of dashpots respectively, four group's buffer beam lateral walls respectively with four group's dashpots inside wall smooth contact, four group's spring force is great, and can play the effect of soft support to four group's buffer beams respectively, the vibrations that produce in the ball mill operation process can be offset by four group's springs, have better cushioning effect, improve stability in use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic left side view of the connection of the cartridge body and the three sets of first screens;
FIG. 4 is a schematic left side view of the connection of the tank and the transparent baffle;
in the drawings, the reference numbers: 1. a base plate; 2. a barrel; 3. a mounting seat; 4. a feeding pipeline; 5. a motor; 6. a drive shaft; 7. a box body; 8. a support; 9. a rotating shaft; 10. a first sprocket; 11. a second sprocket; 12. a chain; 13. a first filter screen; 14. a buffer plate; 15. a spring; 16. a buffer rod; 17. a second filter screen; 18. a baffle; 19. a ball bearing; 20. a transparent baffle; 21. a stabilizer bar; 22. a limiting block; 23. and (7) a rubber pad.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the overflow ball mill for gold mining and milling of the utility model comprises a bottom plate 1, a cylinder 2 and a mounting seat 3, wherein a milling cavity is arranged inside the cylinder 2, a central area at the left end of the cylinder 2 is communicated with a feeding pipeline 4, the bottom end of the mounting seat 3 is connected with the left half area at the top end of the bottom plate 1, a motor 5 is arranged at the top end of the mounting seat 3, and a transmission shaft 6 is arranged at the output end of the motor 5; the automatic feeding device also comprises a box body 7, four groups of brackets 8, a rotating shaft 9, a first chain wheel 10, a second chain wheel 11 and chains 12, wherein the top ends of the four groups of brackets 8 are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the box body 7, the bottom ends of the four groups of brackets 8 are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate 1, a working chamber is arranged in the box body 7, the upper half areas of the left side wall and the right side wall of the box body 7 are respectively and transversely provided with a left through hole and a right through hole, the central area of the left side wall of the first chain wheel 10 is transversely provided with a fixed hole, the output end of the feeding pipeline 4 sequentially passes through the through holes and the fixed holes, the outer side wall of the feeding pipeline 4 is rotatably connected with the inner side wall of the through holes, the left end of a rotating shaft 9 is connected with the central area of the right side wall of the cylinder 2, the right end of the rotating shaft 9 penetrates through the right through hole and is rotatably connected with the right through hole, three groups of discharge ports are arranged in the right half area of the outer side wall of the cylinder 2 and are communicated with the grinding cavity, three groups of first filter screens 13 are respectively arranged in the three groups of discharge ports, a discharge port is arranged in the right half area of the bottom end of the box body 7 and is communicated with the working cavity; the buffer plate is characterized by further comprising a buffer plate 14, four groups of springs 15 and four groups of buffer rods 16, wherein four groups of buffer grooves are formed in the left front side, the right front side, the left rear side and the right rear side of the top end of the buffer plate 14 respectively, the top ends of the four groups of buffer rods 16 are connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the bottom plate 1 respectively, the bottom ends of the four groups of buffer cushions extend into the four groups of buffer grooves respectively, one ends of the four groups of springs 15 are connected with the central area of the side wall of the bottom of the four groups of buffer grooves; the four groups of brackets play a role in supporting the box body, the box body is in a cuboid shape, the outer side wall of the feeding pipeline is rotatably connected with the left through hole, so that the feeding pipeline can smoothly rotate in the left through hole, the central area of the left side wall of the first chain wheel is transversely provided with a fixed hole, the input end of the feeding pipeline penetrates through the fixed hole and is fixedly connected with the fixed hole, the right end of the transmission shaft is connected with the central area of the left side wall of the second chain wheel, a chain is sleeved on the first chain wheel and the second chain wheel, a motor is turned on and drives the transmission shaft to rotate, the transmission shaft drives the second chain wheel to rotate, the first chain wheel and the second chain wheel are connected through the chain, the second chain wheel rotates to drive the first chain wheel to rotate, the feeding pipeline is driven to rotate by the first chain wheel to rotate, further, the rotation of the barrel body is realized, steel balls and mineral materials are, the grinding of mineral aggregate can be realized, because three groups of discharge ports are arranged in the right half area of the outer side wall of the cylinder body, three groups of first filter screens are arranged in the three groups of discharge ports, the three groups of discharge ports are arranged at equal intervals, after the mineral aggregate is fully ground, when the volume is smaller than the size of the upper holes of the three groups of first filter screens, the mineral aggregate can fall from the three groups of first filter screens and then is discharged from the discharge port, the ground mineral aggregate can be rapidly discharged, and the use reliability is improved; four group's buffer beam bottom stretch into four groups of dashpots respectively, four group's buffer beam lateral walls respectively with four group's dashpots inside wall smooth contact, four group's spring force is great, and can play the effect of soft support to four group's buffer beams respectively, the vibrations that produce in the ball mill operation process can be offset by four group's springs, have better cushioning effect, improve stability in use.
The overflow ball mill for mining and grinding gold ores of the utility model also comprises a second filter screen 17, the second filter screen 17 is arranged in the central area inside the cylinder 2; the second filter screen divides the grinding chamber into left cavity and right cavity, puts into big steel ball in the left cavity, puts into the tiny steel ball in the right cavity, and big steel ball carries out the preliminary treatment to the mineral aggregate, later from the second filter screen get into right cavity in, tiny steel ball carries out the finish grinding to the mineral aggregate, improves the grinding quality.
The overflow ball mill for gold mining and ore grinding of the utility model also comprises a guide plate 18, the left end of the guide plate 18 is connected with the lower half area of the left sidewall in the box body 7, and the right end of the guide plate 18 is connected with the right half area of the inner bottom sidewall in the box body 7; the guide plate makes the mineral aggregate flow direction bin outlet of accomplishing of grinding in the follow barrel, improves the convenience of use.
The utility model discloses an overflow ball mill for gold mining and ore grinding, a ball bearing 19 is arranged in a right through hole, and the right end of a rotating shaft 9 passes through the ball bearing 19 and is connected with the ball bearing 19 in a key way; the ball bearing can reduce the friction resistance generated when the rotating shaft rotates in the right through hole, and the use smoothness is improved.
The utility model discloses an overflow ball mill for gold mining and ore milling, the central area of the front side wall of a box body 7 is provided with an observation hole, and a transparent baffle 20 is arranged in the observation hole; the condition in the working cavity can be observed through the transparent baffle, and the use controllability is improved.
The utility model discloses an overflow ball mill for gold mining and ore grinding, which also comprises a stabilizer bar 21, a stabilizing groove is arranged in the central area of the top end of the buffer plate 14, the top end of the stabilizer bar 21 is connected with the central area of the bottom end of the bottom plate 1, and the bottom end of the stabilizer bar 21 extends into the stabilizing groove; the stabilizer bar can play stable effect, prevents that the ball mill from rocking from side to side, improves and uses the steadiness.
The utility model discloses an overflow ball mill for gold mining ore grinding, which also comprises a limiting block 22, wherein the upper half area of the left side wall in the stabilizing groove is provided with a limiting groove, the right end of the limiting block 22 is connected with the lower half area of the left side wall of the stabilizing rod 21, and the left end of the limiting rod extends into the limiting groove; the stopper can prevent stabilizer bar and stable groove and take place to break away from, improves the safety in utilization.
The overflow ball mill for mining and grinding gold ores of the utility model also comprises four groups of rubber pads 23, wherein the top ends of the four groups of rubber pads 23 are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the bottom plate 1; the four groups of rubber pads can enable the buffer plate to be in a horizontal state, and the use stability is improved.
The utility model discloses an overflow ball mill for gold ore mining mill, when it works, four groups of brackets play a supporting role to the box, the box is cuboid-shaped, the lateral wall of the feeding pipeline is rotationally connected with a left through hole, so that the feeding pipeline can smoothly rotate in the left through hole, the central area of the left side wall of a first chain wheel is transversely provided with a fixed hole, the input end of the feeding pipeline passes through the fixed hole and is fixedly connected with the fixed hole, the right end of a transmission shaft is connected with the central area of the left side wall of a second chain wheel, a chain is sleeved on the first chain wheel and the second chain wheel, a motor is turned on, the motor drives the transmission shaft to rotate, the transmission shaft drives the second chain wheel to rotate, as the first chain wheel and the second chain wheel are connected through the chain, the second chain wheel rotates to drive the rotation of the feeding pipeline, thereby realizing the rotation of a barrel body, steel balls and mineral aggregates, the cylinder rotates to drive the steel balls and the mineral aggregate to rotate, the steel balls and the mineral aggregate collide to generate a grinding effect, the mineral aggregate can be ground, three groups of discharge ports are arranged in the right half area of the outer side wall of the cylinder, three groups of first filter screens are arranged in the three groups of discharge ports, the three groups of discharge ports are arranged at equal intervals, after the mineral aggregate is fully ground, when the size of the mineral aggregate is smaller than the size of holes in the three groups of first filter screens, the mineral aggregate can fall from the three groups of first filter screens and then is discharged from the discharge ports, the ground mineral aggregate can be rapidly discharged, and the use reliability is improved; the bottom ends of the four groups of buffer rods extend into the four groups of buffer grooves respectively, the outer side walls of the four groups of buffer rods are in smooth contact with the inner side walls of the four groups of buffer grooves respectively, the four groups of springs have larger elasticity and can play a role of soft support for the four groups of buffer rods respectively, vibration generated in the running process of the ball mill can be counteracted by the four groups of springs, the ball mill has a better buffer effect, and the use stability is improved; the second filter screen divides the grinding cavity into a left cavity and a right cavity, a large steel ball is placed in the left cavity, a small steel ball is placed in the right cavity, the large steel ball pretreats mineral aggregate, then the mineral aggregate enters the right cavity from the second filter screen, and the small steel ball finely grinds the mineral aggregate, so that the grinding quality is improved; the guide plate enables the mineral aggregate ground from the cylinder to flow to the discharge port, so that the use convenience is improved; the ball bearing can reduce the friction resistance generated when the rotating shaft rotates in the right through hole, and improve the use smoothness; the condition in the working cavity can be observed through the transparent baffle, so that the use controllability is improved; the stabilizer bar can play a stabilizing role, prevent the ball mill from shaking left and right, and improve the use stability; the limiting block can prevent the stabilizer bar from being separated from the stabilizing groove, so that the use safety is improved; the four groups of rubber pads can enable the buffer plate to be in a horizontal state, and the use stability is improved.
The utility model discloses a motor that overflow ball mill used for gold mine exploitation ore grinding is purchased from the market, only need according to the description install use can.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An overflow ball mill for gold ore mining and grinding comprises a bottom plate (1), a cylinder (2) and a mounting seat (3), wherein a grinding cavity is arranged in the cylinder (2), a feeding pipeline (4) is communicated with the central area of the left end of the cylinder (2), the bottom end of the mounting seat (3) is connected with the left half area of the top end of the bottom plate (1), a motor (5) is arranged at the top end of the mounting seat (3), and a transmission shaft (6) is arranged at the output end of the motor (5); the automatic feeding device is characterized by further comprising a box body (7), four groups of supports (8), a rotating shaft (9), a first chain wheel (10), a second chain wheel (11) and chains (12), wherein the top ends of the four groups of supports (8) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the box body (7), the bottom ends of the four groups of supports (8) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the bottom plate (1), a working cavity is arranged in the box body (7), a left through hole and a right through hole are respectively and transversely arranged in the upper half areas of the left side wall and the right side wall of the box body (7), a fixing hole is transversely arranged in the central area of the left side wall of the first chain wheel (10), the output end of the feeding pipeline (4) sequentially penetrates through the through holes and the fixing holes, the outer side wall of the, the right end of the transmission shaft (6) is connected with the central area of the left side wall of the second chain wheel (11), the chain (12) is respectively sleeved on the first chain wheel (10) and the second chain wheel (11), the left end of the rotating shaft (9) is connected with the central area of the right side wall of the barrel body (2), the right end of the rotating shaft (9) penetrates through the right through hole and is rotatably connected with the right through hole, three groups of discharge ports are arranged on the right half area of the outer side wall of the barrel body (2), the three groups of discharge ports are all communicated with the grinding cavity, three groups of first filter screens (13) are respectively arranged in the three groups of discharge ports, a discharge port is arranged on the right half area of the bottom end; still include buffer board (14), four group's springs (15) and four group's buffer beam (16), buffer board (14) top left front side, right front side, left rear side and right rear side are provided with four groups of dashpots respectively, four group's buffer beam (16) tops are connected with bottom plate (1) bottom left front side, right front side, left rear side and right rear side respectively, and four groups of blotter bottoms stretch into four groups of dashpots respectively in, four group's springs (15) one end are connected with four group's dashpots inner bottom lateral wall central zone respectively, and four group's springs (15) other end are connected with buffer beam bottom central zone respectively.
2. An overflow ball mill for gold mining mills according to claim 1, characterized in that it further comprises a second screen (17), said second screen (17) being mounted in a central region inside the cylinder (2).
3. The overflow ball mill for gold mining and grinding according to claim 2, further comprising a deflector (18), wherein the left end of the deflector (18) is connected with the lower half area of the inner left sidewall of the box body (7), and the right end of the deflector (18) is connected with the right half area of the inner bottom sidewall of the box body (7).
4. An overflow ball mill for gold mining and milling according to claim 3, characterized in that a ball bearing (19) is arranged in the right through hole, and the right end of the rotating shaft (9) passes through the ball bearing (19) and is connected with the ball bearing (19) in a key manner.
5. An overflow ball mill for gold mining mills according to claim 4, characterized in that the central area of the front side wall of the box (7) is provided with a viewing aperture and a transparent baffle (20) is arranged in the viewing aperture.
6. An overflow ball mill for gold mining and milling according to claim 5, further comprising a stabilizer bar (21), wherein a stabilizer groove is provided in a central region of a top end of the buffer plate (14), a top end of the stabilizer bar (21) is connected to a central region of a bottom end of the base plate (1), and a bottom end of the stabilizer bar (21) is inserted into the stabilizer groove.
7. The overflow ball mill for the gold mining and grinding mill according to claim 6, further comprising a limiting block (22), wherein a limiting groove is formed in the upper half area of the left side wall in the stabilizing groove, the right end of the limiting block (22) is connected with the lower half area of the left side wall of the stabilizing rod (21), and the left end of the limiting rod extends into the limiting groove.
8. The overflow ball mill for the gold mining mill according to claim 7, further comprising four sets of rubber pads (23), wherein the top ends of the four sets of rubber pads (23) are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821938401.1U CN209901413U (en) | 2018-11-23 | 2018-11-23 | Overflow ball mill for gold ore mining and grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821938401.1U CN209901413U (en) | 2018-11-23 | 2018-11-23 | Overflow ball mill for gold ore mining and grinding |
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| Publication Number | Publication Date |
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| CN209901413U true CN209901413U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821938401.1U Active CN209901413U (en) | 2018-11-23 | 2018-11-23 | Overflow ball mill for gold ore mining and grinding |
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| CN (1) | CN209901413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632646A (en) * | 2020-06-10 | 2020-09-08 | 杭州零云包装新材料有限公司 | Energy-saving grain processing equipment |
-
2018
- 2018-11-23 CN CN201821938401.1U patent/CN209901413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111632646A (en) * | 2020-06-10 | 2020-09-08 | 杭州零云包装新材料有限公司 | Energy-saving grain processing equipment |
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