CN214346902U - Automatic discharge port opening and closing device of vertical stirring mill - Google Patents
Automatic discharge port opening and closing device of vertical stirring mill Download PDFInfo
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- CN214346902U CN214346902U CN202022549200.6U CN202022549200U CN214346902U CN 214346902 U CN214346902 U CN 214346902U CN 202022549200 U CN202022549200 U CN 202022549200U CN 214346902 U CN214346902 U CN 214346902U
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Abstract
The utility model provides an automatic switching device of discharge port of vertical stirring mill, relate to ore grinding equipment technical field, including the safety cover, slider-crank mechanism, support platform and rotating assembly, the safety cover passes through the bolt fastening outside the discharge port of vertical stirring mill, the upper rear portion of safety cover is fixed with pneumatic cylinder A, be connected with slider-crank mechanism on the lug of pneumatic cylinder A telescopic shaft front end, be fixed with support platform on the both sides face of safety cover all, be fixed with pneumatic cylinder B on the support platform all, the lug is fixed on pneumatic cylinder B front end all, wear to be equipped with the round pin axle between the ear hole of lug of both sides, and fix through the split pin, wear to be equipped with the slotted hole along the length direction of safety cover in the position of round pin axle on the both sides face of safety cover; the invention does not need to be operated near the discharge port manually, thereby reducing the investment and time of field personnel and avoiding field safety accidents.
Description
Technical Field
The invention relates to the technical field of ore grinding equipment, in particular to an automatic opening and closing device for a discharge port of a vertical stirring mill.
Background
The vertical stirring mill is a device applied to the field of fine grinding in the mine industry, and mainly has the function of grinding ore materials in ore pulp to a certain fineness, and a discharge port is arranged below a cylinder body of the vertical stirring mill and used for regularly discharging the ore pulp and steel balls in the device. At present, the domestic discharge port is opened and closed by manually unscrewing jackscrews, pulling a rotating handle by hands, and rotating the rotating handle up and down to open and close the discharge port; after the discharge port is closed, the jackscrew is screwed down manually to compress the sealing gasket, so that sealing is realized to prevent slurry leakage.
Because vertical stirring mill generally designs the barrel height and is about 5m, and the discharge port designs in the barrel bottom, and the ore pulp pressure of discharge port department is very big, opens the discharge port after, and ore pulp and steel ball are because huge pressure, outwards spout from the discharge port, have very big kinetic energy, can outwards spout about 5 m's distance. At present, the discharge outlet of the domestic designed vertical stirring mill has no safety protection and has unsafe factors.
Along with the increasing of the specification of the vertical stirring mill, the filling amount of the steel balls is increased, the weight of the vertical stirring mill even reaches more than 100 tons, and along with the process adjustment of a factory, the filling amount of the steel balls is often required to be adjusted frequently. Therefore, it is a basic requirement of those skilled in the art to provide an automatic discharge port opening and closing device for a vertical mixer mill, which realizes an automatic discharge port opening and closing function without manual field operation.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses an automatic opening and closing device for a discharge port of a vertical stirring mill.
In order to realize the purpose, the invention adopts the following technical scheme:
an automatic opening and closing device for a discharge port of a vertical stirring mill comprises a protective cover, a slider-crank mechanism, a support platform and a rotating assembly, wherein the protective cover is fixed outside the discharge port of the vertical stirring mill through bolts;
the edge of one side of the upper surface of the protective cover is fixed with a proximity switch mounting plate, and a closed proximity switch, a half-open proximity switch and a full-open proximity switch are arranged on the proximity switch mounting plate at intervals from front to back;
slider-crank mechanism includes the connecting rod, rotating assembly and sealed the pad, the rear end of connecting rod articulates on the lug of pneumatic cylinder A telescopic shaft front end, the front portion of connecting rod articulates there is rotating assembly, rotating assembly includes the curb plate on both sides, the connecting axle B at rear portion between anterior connecting axle A and the both sides board of setting between two blocks of curb plates, lower extreme at the both sides board is equipped with corresponding through-hole, the lower extreme of both sides board passes through the through-hole and connects the middle part both sides at the round pin axle, the front end of connecting rod articulates on connecting axle B of lower part between the both sides board, the outside that just is located two blocks of curb plates at the both sides of round pin axle all is fixed with the arc, external fixation between two arc plates has curved sealed the pad.
The automatic discharge port opening and closing device of the vertical stirring mill is characterized in that a proximity switch detection block is arranged on the outer side of a lifting lug at the front end of a telescopic shaft of a hydraulic cylinder A.
The automatic opening and closing device for the discharge port of the vertical stirring mill is characterized in that the hydraulic cylinder A and the hydraulic cylinder B are double-acting hydraulic cylinders and are controlled by a hydraulic system.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. according to the automatic discharge port opening and closing device of the vertical stirring mill, due to the arrangement of the protective cover, the situation that the ore pulp and the steel balls are sprayed out from the discharge port to cause field safety accidents is effectively prevented; adopt hydraulic drive for driving torque is big, operates steadily, and compact structure through the motion of pneumatic cylinder, drives round pin axle, rotating assembly and gos forward or retreat, realizes compressing tightly or loosening the function of sealed pad, and can be through the switching degree of full open proximity switch, half open proximity switch, the accurate control discharge port of closed proximity switch.
2. The automatic discharge port opening and closing device of the vertical stirring mill does not need to be operated by workers near the discharge port, reduces the investment and time of field personnel, and avoids field safety accidents.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the fully open configuration of the discharge port of the present invention;
FIG. 3 is a schematic view of the semi-open configuration of the discharge port of the present invention;
FIG. 4 is a schematic view of the closure of the discharge port of the present invention;
FIG. 5 is a schematic structural view of the rotating assembly of the present invention;
FIG. 6 is a schematic view of the structure of the present invention mounted on a cartridge;
in the figure: 1. a rotating assembly; 2. a gasket; 3. a pin shaft; 4. carrying out top thread; 5. a protective cover; 6. a connecting rod; 7. a proximity switch mounting plate; 8. a proximity switch detection block; 9. a hydraulic cylinder A; 10. a fully open proximity switch; 11. a half-open proximity switch; 12. closing the proximity switch; 13. a support platform; 14. a hydraulic cylinder B; 15. a cotter pin; 16. connecting the shaft A; 17. a side plate; 18. a connecting shaft B; 19. an arc-shaped plate.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
The automatic discharge port opening and closing device of the vertical stirring mill, which is described by combining the attached drawings 1-6, comprises a protective cover 5, a slider-crank mechanism, a support platform 13 and a rotating assembly 1, wherein the protective cover 5 is fixed outside the discharge port of the vertical stirring mill through bolts, a hydraulic cylinder A9 is fixed at the rear part of the upper surface of the protective cover 5, the slider-crank mechanism is connected with a lifting lug at the front end of a telescopic shaft of the hydraulic cylinder A9, the support platforms 13 are fixed on two side surfaces of the protective cover 5, the hydraulic cylinder B14 is fixed on the support platforms 13, the lifting lug is fixed at the front end of the hydraulic cylinder B14, a pin shaft 3 is arranged between the lug holes of the lifting lugs at the two sides in a penetrating manner and is fixed through a cotter pin 15, and oblong holes are arranged on the positions of the two side surfaces of the protective cover 5 where the pin shaft 3 is arranged in a penetrating manner along the length direction of the protective cover 5;
a proximity switch mounting plate 7 is fixed at one side edge of the upper surface of the protective cover 5, and a closed proximity switch 12, a half-open proximity switch 11 and a full-open proximity switch 10 are arranged on the proximity switch mounting plate 7 at intervals from front to back;
slider-crank mechanism includes connecting rod 6, rotating assembly 1 and sealed 2, the rear end of connecting rod 6 articulates on the lug of pneumatic cylinder A9 telescopic shaft front end, the front portion of connecting rod 6 articulates there is rotating assembly 1, rotating assembly 1 includes the curb plate 17 on both sides, the connecting axle A16 that sets up at the front between two curb plates 17 and the connecting axle B18 at rear portion between two curb plates 17, lower extreme at two curb plates 17 is equipped with corresponding through-hole, the lower extreme of two curb plates 17 passes through the through-hole and connects the middle part both sides at round pin axle 3, the front end of connecting rod 6 articulates on connecting axle B18 of lower part between two curb plates 17, both sides at round pin axle 3 and the outside that is located two curb plates 17 all are fixed with arc 19, the outside between two arc 19 is fixed with curved sealed 2.
According to the automatic opening and closing device for the discharge port of the vertical stirring mill, the proximity switch detection block 8 is installed on the outer side of the lifting lug at the front end of the hydraulic cylinder A9 telescopic shaft, and the proximity switch detection block 8 and the proximity switch mounting plate 7 are arranged on the same side.
According to the automatic opening and closing device for the discharge port of the vertical stirring mill, the hydraulic cylinder A9 and the hydraulic cylinder B14 are double-acting hydraulic cylinders and are controlled by a hydraulic system.
When the automatic discharge port opening and closing device for the vertical stirring mill is used, as shown in figure 6, a protective cover 5 is closed outside the discharge port of the vertical stirring mill through bolts, the spraying routes of ore pulp and steel balls are limited to be vertical downward, as shown in figure 1, a double-acting hydraulic cylinder A9 with a lifting lug is installed at the rear part of the top surface of the protective cover 5, a connecting rod 6 is hinged, a rotating component 1 is hinged to the lower part of the connecting rod 6 to jointly form a crank slider mechanism, a pin shaft 3 is arranged in a long circular hole in two sides of the protective cover 5 in a penetrating mode, the outer parts of two ends are driven to advance or retreat by a double-acting hydraulic cylinder B14 respectively, the lower end of the connecting rod 6 is hinged to a connecting shaft B18 in the lower part of two side plates 17 of the rotating component 1, and a sealing gasket 2 is fixed between the outer sides of the pin shaft 3. As shown in fig. 4, which is a structural schematic diagram of the closed discharge port of the present invention, when the tank body needs to discharge ore pulp and steel balls, the hydraulic system control hydraulic cylinder B14 pulls the pin 3 and the rotating assembly 1 to move in a direction away from the tank body, and the rotating assembly 1 is in a loose and rotatable state; the hydraulic cylinder A9 is controlled by a hydraulic system to move towards the direction far away from the cylinder body, the connecting rod 6 is driven to drive the two side plates 17 of the rotating assembly 1 to rotate upwards around the pin shaft 3 by an angle, and the sealing gasket 2 is separated from the discharge port of the cylinder body, namely the discharge port is completely opened; as shown in fig. 2, which is a schematic structural diagram of the opening of the discharge port of the present invention, when the discharge port of the cylinder needs to be closed, the hydraulic system controls the hydraulic cylinder a9 to move toward the direction close to the cylinder, the two side plates 17 of the rotating assembly 1 are driven by the connecting rod 6 to rotate downward around the pin 3, so that the discharge port is completely closed, and then the hydraulic system controls the hydraulic cylinder B14 to pull the pin 3 and the rotating assembly 1 to move toward the direction close to the cylinder, so that the rotating assembly 1 compresses the sealing gasket 2, and a sealing effect is achieved, thereby preventing the leakage of the ore pulp and the steel balls. The hydraulic control system accurately controls the opening and closing degree of the discharge port through a full-open proximity switch 10, a half-open proximity switch 11 and a closed proximity switch 12; the control principle of the hydraulic system is the prior art, and therefore, the detailed description is omitted.
The present invention is not described in detail in the prior art.
The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments which fall within the spirit and scope of the invention.
Claims (3)
1. The utility model provides an automatic switching device of discharge port of vertical stirring mill, includes safety cover, slider-crank mechanism, supporting platform and rotating assembly, characterized by: the protective cover is fixed outside a discharge port of the vertical stirring mill through a bolt, a hydraulic cylinder A is fixed at the rear part of the upper surface of the protective cover, a slider-crank mechanism is connected onto lifting lugs at the front end of a telescopic shaft of the hydraulic cylinder A, support platforms are fixed on two side surfaces of the protective cover, a hydraulic cylinder B is fixed on each support platform, lifting lugs are fixed at the front end of the hydraulic cylinder B, pin shafts penetrate through lug holes of the lifting lugs at the two sides and are fixed through split pins, and long round holes are formed in the positions, where the pin shafts penetrate through the two side surfaces of the protective cover, along the length direction of the protective cover;
the edge of one side of the upper surface of the protective cover is fixed with a proximity switch mounting plate, and a closed proximity switch, a half-open proximity switch and a full-open proximity switch are arranged on the proximity switch mounting plate at intervals from front to back;
slider-crank mechanism includes the connecting rod, rotating assembly and sealed the pad, the rear end of connecting rod articulates on the lug of pneumatic cylinder A telescopic shaft front end, the front portion of connecting rod articulates there is rotating assembly, rotating assembly includes the curb plate on both sides, the connecting axle B at rear portion between anterior connecting axle A and the both sides board of setting between two blocks of curb plates, lower extreme at the both sides board is equipped with corresponding through-hole, the lower extreme of both sides board passes through the through-hole and connects the middle part both sides at the round pin axle, the front end of connecting rod articulates on connecting axle B of lower part between the both sides board, the outside that just is located two blocks of curb plates at the both sides of round pin axle all is fixed with the arc, external fixation between two arc plates has curved sealed the pad.
2. The automatic opening and closing device for the discharge port of the vertical mixer mill as claimed in claim 1, wherein: and a proximity switch detection block is arranged on the outer side of the lifting lug at the front end of the telescopic shaft of the hydraulic cylinder A.
3. The automatic opening and closing device for the discharge port of the vertical mixer mill as claimed in claim 1, wherein: the hydraulic cylinder A and the hydraulic cylinder B are double-acting hydraulic cylinders and are controlled by a hydraulic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022549200.6U CN214346902U (en) | 2020-11-06 | 2020-11-06 | Automatic discharge port opening and closing device of vertical stirring mill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022549200.6U CN214346902U (en) | 2020-11-06 | 2020-11-06 | Automatic discharge port opening and closing device of vertical stirring mill |
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| Publication Number | Publication Date |
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| CN214346902U true CN214346902U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022549200.6U Active CN214346902U (en) | 2020-11-06 | 2020-11-06 | Automatic discharge port opening and closing device of vertical stirring mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114904620A (en) * | 2022-05-13 | 2022-08-16 | 北方重工集团有限公司 | Electric ball unloading mechanism of spiral vertical mill |
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2020
- 2020-11-06 CN CN202022549200.6U patent/CN214346902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114904620A (en) * | 2022-05-13 | 2022-08-16 | 北方重工集团有限公司 | Electric ball unloading mechanism of spiral vertical mill |
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