CN113184236A - Rare earth quantitative feeding system - Google Patents
Rare earth quantitative feeding system Download PDFInfo
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- CN113184236A CN113184236A CN202110445107.7A CN202110445107A CN113184236A CN 113184236 A CN113184236 A CN 113184236A CN 202110445107 A CN202110445107 A CN 202110445107A CN 113184236 A CN113184236 A CN 113184236A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/08—Methods of, or means for, filling the material into the containers or receptacles by vibratory feeders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/10—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders
- B65B1/12—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders of screw type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The application relates to a rare earth quantitative feeding system, which comprises a material supplying device and a transfer weighing device, wherein the material supplying device comprises a feeding mechanism, the feeding mechanism comprises a feeding main pipe for conveying rare earth and a screw feeding assembly for spirally feeding the rare earth in the feeding main pipe, and the feeding main pipe is provided with a discharge hole; the transfer weighing device is including the installation frame of weighing, vertical sliding connection in the transfer splendid attire mechanism of the installation frame of weighing and the subassembly of weighing that is used for weighing transfer splendid attire mechanism, transfer splendid attire mechanism includes vertical sliding connection in the transfer base plate of the installation frame of weighing, locate on the transfer base plate and with the corresponding vertical transfer passageway of the discharge gate that the pay-off was responsible for, a driving piece that opens and close that is used for opening and close vertical transfer passageway lower extreme opening and is used for driving the opening and closing piece and opening and close vertical transfer passageway. This application is convenient for carry out quantitative control to the volume of filling of tombarthite in the splendid attire container, and can reduce the condition that the tombarthite falls outside the splendid attire container.
Description
Technical Field
The application relates to the technical field of rare earth treatment, in particular to a rare earth quantitative feeding system.
Background
In the process of rare earth production and treatment, rare earth hydrochloride still has a lot of water after extraction and solid-liquid separation, and the obtained rare earth hydrochloride needs to be baked to obtain dry rare earth oxide. In the related art, a specially-made container is used, rare earth to be roasted is directly conveyed and filled into the container through a conveying channel in an extraction mode, and then the container is conveyed and transferred to corresponding roasting equipment for roasting and drying.
With respect to the related art in the above, the inventors consider that: the rare earth to be roasted contains water, so that the rare earth to be roasted is easy to adhere to each other to form blocks, the conveying quantity of the rare earth to be roasted in unit time is not a fixed value, and the quantitative control on the containing quantity of the rare earth to be roasted in the containing container is difficult. If the splendid attire container appears waiting to toast the too much condition of tombarthite splendid attire, under the condition of toasting of predetermineeing, probably lead to the rare earth to toast the insufficient condition.
Disclosure of Invention
In order to facilitate carrying out quantitative control to the splendid attire volume of waiting to toast the tombarthite in the splendid attire container, reduce the splendid attire container and make the rare earth toast insufficient condition because of waiting to toast the rare earth splendid attire too much, this application provides a rare earth ration feeding system.
The application provides a tombarthite ration feeding system adopts following technical scheme:
a rare earth quantitative feeding system comprises a material supplying device and a transfer weighing device, wherein the material supplying device comprises a feeding mechanism, the feeding mechanism comprises a feeding main pipe for conveying rare earth and a screw feeding assembly for spirally feeding the rare earth in the feeding main pipe, and the feeding main pipe is provided with a discharge hole; the transfer weighing device is including the installation frame of weighing, vertical sliding connection in the transfer splendid attire mechanism of the installation frame of weighing and the subassembly of weighing that is used for weighing transfer splendid attire mechanism, transfer splendid attire mechanism includes vertical sliding connection in the transfer base plate of installation frame of weighing, locate on the transfer base plate and with the corresponding vertical transfer passageway of the discharge gate of pay-off person in charge, be used for opening and close the piece of opening and close and be used for driving the piece of opening and close that opens and close to vertical transfer passageway lower extreme opening.
By adopting the technical scheme, the feeding main pipe is matched with the screw feeding assembly to carry out spiral conveying on the rare earth to be baked, so that the conveying quantity of the rare earth is better controlled; the bottom of the vertical transit channel is sealed by the opening and closing piece, so that a container for temporarily containing the rare earth is formed, then the weighing assembly can be used for weighing the rare earth temporarily contained in the vertical transit channel, and when the temporary containing amount of the rare earth reaches a preset value, the opening and closing piece is driven by the opening and closing driving piece to open the lower end of the vertical transit channel, so that the rare earth falls into the containing container; whole process is convenient for carry out quantitative control to the volume of filling of tombarthite in the splendid attire container to effectively reduce the splendid attire container and make the rare earth toast insufficient condition because of waiting to toast the rare earth splendid attire too much.
Optionally, the opening and closing member is connected to the transfer substrate in a sliding manner along the horizontal direction, and the opening and closing driving member is used for driving the opening and closing member to move horizontally.
Through adopting above-mentioned technical scheme, can conveniently realize the opening and closing effect of piece to vertical transfer passageway, and simultaneously, will open and close the piece and set up to horizontal migration, can correspondingly reduce the activity space that vertical transfer passageway lower extreme reserved supplies the piece of opening and closing, thereby reduce the interval between the lower extreme opening of vertical transfer passageway and the splendid attire container, thereby be convenient for make among the vertical transfer passageway tombarthite fall into to the splendid attire container, reduce the time that the tombarthite falls into the splendid attire container in-process, and reduce the condition that falls into the in-process tombarthite and leak.
Optionally, the opening and closing member is plate-shaped, and an anti-shaking guide wheel for abutting the surface of the opening and closing member is rotatably disposed on one side of the transfer substrate close to the opening and closing member.
By adopting the technical scheme, the opening and closing piece is made into a plate shape, so that the distance between the opening at the lower end of the vertical transit passage and the container can be further reduced; meanwhile, the platy opening and closing piece serves as a main bearing object in the vertical transit channel, when the opening and closing piece slides to open the lower end opening of the vertical transit channel, the phenomenon that falling rare earth is splashed due to shaking can occur, and the shaking-proof guide wheel is utilized to perform the abutting guide effect on the surface of the opening and closing piece, so that the shaking situation of the opening and closing piece can be reduced.
Optionally, the weighing and mounting frame is provided with a lifting table and a lifting driving assembly for driving the lifting table, and the transfer substrate is vertically connected to the lifting table in a sliding manner so as to realize the sliding connection between the transfer substrate and the weighing and mounting frame through the lifting table; the weighing assembly is arranged between the lifting platform and the transfer base plate, and the lifting platform is provided with a blanking through hole for downward blanking of the vertical transfer channel.
Through adopting above-mentioned technical scheme, when the tombarthite that weighs the completion in the vertical transfer passageway falls to the splendid attire container in, can order to drive the elevating platform downstream through lift drive assembly to reduce the drop of tombarthite whereabouts, thereby reduce the outside spill condition of tombarthite.
Optionally, the blanking through-hole of elevating platform and the outer fringe looks adaptation of the upper end of splendid attire container, just the elevating platform can descend to the upper end of splendid attire container and stretch into to the blanking through-hole in.
By adopting the technical scheme, when the opening and closing piece is driven to open the lower end opening of the vertical transfer channel, the rare earth can fall to one side of the containing container from the side where the lower end opening of the vertical transfer channel is opened first, and the containing container is likely to displace under the condition that the containing container is subjected to the impact force of falling rare earth on one side; at the moment, the situation that the rare earth falls out of the containing container due to the fact that the position of the containing container deviates due to unilateral stress can be effectively reduced by utilizing the containing limiting effect of the blanking through hole of the lifting platform on the upper end of the containing container.
Optionally, the lifting driving assembly comprises a driving gear rotatably arranged on the weighing installation rack, a driving rack fixedly connected to the lifting platform and a lifting driving motor for driving the driving gear to rotate, the driving gear is meshed with the driving rack, and a reduction box is arranged between the lifting driving motor and the driving gear.
Through adopting above-mentioned technical scheme, use drive gear and drive rack to carry out the transmission, have the accurate stable and high advantage of transmission efficiency of drive ratio, simultaneously, set up the reducing gear box between lift driving motor and drive gear, can realize the stable transmission of moment of torsion to reach more stable transmission.
Optionally, the material supply device further comprises a storage hopper and a blanking hopper arranged below the storage hopper, and the blanking hopper is provided with a material shaking assembly for driving the blanking hopper to shake; the pay-off is responsible for and is equipped with the feed inlet, the feed opening of blanking fill is linked together with the feed inlet that the pay-off was responsible for.
Through adopting above-mentioned technical scheme, the tombarthite that the storage hopper can treat to toast is stored, and the tombarthite falls into the pay-off via the blanking fill and is responsible for, and utilizes the setting of trembling the material subassembly to shake the tombarthite of blanking fill, reduces the tombarthite and piles up at blanking fill below opening part and the condition of jam appears.
Optionally, a feed pipe and a discharge pipe are arranged on the feed main pipe, the feed inlet is positioned at the upper end of the feed pipe, and the discharge outlet is positioned at the lower end of the discharge pipe; the lower end of the blanking hopper extends into the feeding pipe, and a gap is formed between the outer wall of the lower end of the blanking hopper and the inner wall of the feeding pipe; the discharging pipe can stretch into the upper end of the vertical transfer passage, and a gap is formed between the outer wall of the discharging pipe and the inner wall of the upper end of the vertical transfer passage.
Through adopting above-mentioned technical scheme, because be provided with and shake the material subassembly and make the blanking fill can produce the shake, all be provided with the clearance at the lower extreme outer wall of blanking fill and inlet tube inner wall, discharge tube outer wall and vertical transfer passageway upper end inner wall, reducible shake transmits to vertical transfer passageway and the influence weighs the condition that the subassembly normally weighed work to make the weighing result of weighing the subassembly more accurate.
Optionally, a flexible channel is connected between the upper end of the blanking hopper and the lower end of the storage hopper, the blanking hopper is connected to the storage hopper in a sliding manner along the vertical direction, and an elastic reset piece is arranged between the blanking hopper and the storage hopper.
By adopting the technical scheme, the blanking hopper is connected with the storage hopper in a sliding manner along the vertical direction, so that the shaking amplitude of the blanking hopper in the horizontal direction after being acted by the shaking component can be reduced, and the condition that the normal weighing work of the weighing component is influenced by the fact that the shaking at the blanking hopper is transferred to the vertical transfer channel is reduced; correspondingly, the elastic reset piece is arranged to enable the blanking hopper to be in a relatively stable position.
Optionally, the material supply device further includes a supply mounting frame, the storage hopper is arranged in the supply mounting frame, a climbing ladder is arranged on the side wall of the supply mounting frame, and a grid is arranged in the storage hopper.
By adopting the technical scheme, the climbing ladder is convenient for workers to climb above the feeding mounting frame to check the rare earth storage space in the storage hopper; when adding tombarthite to the storage hopper, the easy caking condition that appears because of self contains moisture of tombarthite utilizes the setting of grid, and the reducible too big tombarthite of caking falls to the blanking fill and causes the tombarthite to pile up the condition of jam.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the filling amount of the rare earth in the container is conveniently and quantitatively controlled, and the condition that the rare earth is not fully baked due to excessive rare earth in the container to be baked is reduced;
2. the fall of the rare earth falling into the container from the vertical transit passage is small, so that the rare earth is prevented from splashing outwards;
3. the position of the containing container can be limited, and the situation that the rare earth falls out of the containing container due to the fact that the containing container is subjected to position deviation caused by unilateral stress is reduced;
4. reduce the tombarthite and pile up at blanking fill below opening part and the condition that appears blockking up, and reduce the shake and transmit to vertical transfer passageway and influence the normal circumstances of weighing the work of weighing the subassembly to make the weighing result of weighing the subassembly more accurate.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 2 is a schematic diagram of an embodiment of the present application showing a storage hopper, and a feed mechanism.
Fig. 3 is a schematic structural diagram of a transfer weighing device in the embodiment of the present application.
FIG. 4 is a schematic diagram showing a drive gear and a drive rack in an elevator drive assembly according to an embodiment of the present application.
Fig. 5 is a schematic structural view of a turret containing mechanism in an embodiment of the present application.
Fig. 6 is an enlarged schematic view of a portion a in fig. 5.
Description of reference numerals: 1. a material supply device; 11. a feed mounting rack; 111. climbing a ladder; 12. a storage hopper; 121. a grid; 13. a blanking hopper; 14. a feeding mechanism; 141. a main feeding pipe; 1411. a feed pipe; 1412. a discharge pipe; 142. a screw feeding assembly; 15. an elastic reset member; 16. a flexible channel; 17. a material shaking component; 171. a motor mounting bracket; 172. a vibration motor; 2. transferring a weighing device; 21. a weighing installation frame; 22. a lifting platform; 221. a blanking through hole; 23. a lift drive assembly; 231. a drive gear; 232. a drive rack; 233. a lifting drive motor; 234. a reduction gearbox; 24. a transfer containing mechanism; 241. a relay substrate; 242. a vertical transit passage; 2421. supporting edges; 243. an opening and closing member; 244. opening and closing the driving piece; 25. a weighing sensor; 26. prevent shaking the leading wheel.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses rare earth quantitative feeding system. Referring to fig. 1 and 2, the rare earth quantitative feeding system comprises a material supply device 1 and a transfer weighing device 2, wherein the material supply device 1 is used for storing, conveying and supplying rare earth to be roasted, and the transfer weighing device 2 is used for carrying out imminent death containing and weighing on the rare earth. Specifically, the material supplying device 1 includes a supply mounting frame 11, a storage hopper 12 installed in the supply mounting frame 11, a blanking hopper 13 located below the storage hopper 12, and a feeding mechanism 14 located below the blanking hopper 13.
The feeding mounting frame 11 is in a vertical frame shape, the storage hopper 12 is fixedly mounted in the feeding mounting frame 11, and the upper end of the storage hopper 12 is a discharge hole; meanwhile, a dust cover can be installed at the discharge hole of the storage hopper 12, and the rare earth is placed into the storage hopper 12 in a sucking or conveying mode.
When rare earth is added to the storage hopper 12, the rare earth may agglomerate due to moisture contained in the rare earth itself; accordingly, a horizontal grate 121 is mounted in the storage hopper 12. With the arrangement of the grating 121, the situation that the agglomerated rare earth falls to the lower opening to cause accumulation and blockage can be reduced. Simultaneously, one side of feed mounting bracket 11 still installs in the ladder 111 that climbs that can supply the staff to climb, and when the drain hole exposes in storage hopper 12 upper end, the staff accessible climbs ladder 111 and climbs and look over the memory space of the interior tombarthite of storage hopper 12.
The blanking hopper 13 is arranged at the lower side of the storage hopper 12, and the blanking hopper 13 is connected with the storage hopper 12 in a vertical sliding manner through equal-height bolts; in this embodiment, the number of the equal-height bolts is four, and the four equal-height bolts are all sleeved with springs serving as elastic reset pieces 15, so that the blanking hopper 13 can be located at a relatively stable position. Meanwhile, in order to realize the communication between the blanking hopper 13 and the storage hopper 12, a flexible channel 16 is also arranged between the blanking hopper 13 and the storage hopper 12; in this embodiment, the flexible passage 16 may be a cylindrical passage made of silicone or a cylindrical passage formed by winding a leather material.
In addition, a material shaking assembly 17 for driving the blanking hopper 13 to shake is further installed on the side wall of the blanking hopper 13, and specifically, the material shaking assembly 17 comprises a motor mounting bracket 171 fixedly connected to the blanking hopper 13 and a vibration motor 172 fixed on the mounting bracket. The vibration effect of the vibration motor 172 is utilized to drive the blanking hopper 13 to shake so as to shake the rare earth in the blanking hopper 13, and the situation that the rare earth is accumulated at an opening below the blanking hopper 13 and is blocked is reduced.
The feeding mechanism 14 is positioned below the blanking hopper 13 and used for conveying the rare earth; specifically, the feeding mechanism 14 includes a feeding main pipe 141 for conveying rare earth, and a screw feeding assembly 142 for spirally feeding rare earth in the feeding main pipe 141. The feeding main pipe 141 is a circular pipe, one end of the feeding main pipe 141 is communicated with a vertically upward feeding pipe 1411, and the other end of the feeding main pipe 141 is communicated with a vertically downward discharging pipe 1412.
The upper end opening of the feeding pipe 1411 is a feeding port, the lower end of the blanking hopper 13 can extend into the feeding pipe 1411 from the feeding port, and in this embodiment, in order to reduce the vibration of the blanking hopper 13 from being transmitted to the main feeding pipe 141, a space is provided between the outer wall of the lower end of the blanking hopper 13 and the inner wall of the feeding pipe 1411.
The screw feeding assembly 142 includes a feeding screw installed in the feeding main pipe 141 and a feeding driving motor for driving the feeding screw to rotate, in this embodiment, for a reasonable layout of the installation space, the axial direction of the feeding screw is perpendicular to the axial direction of the output shaft of the feeding driving motor, and a reversing box is installed between the feeding screw and the feeding driving motor, so as to realize torque transmission between the feeding driving motor and the feeding screw through the reversing box.
Referring to fig. 2 and 3, the transfer weighing device 2 is located below the discharging pipe 1412 of the main feeding pipe 141, and specifically, the transfer weighing device 2 includes a weighing installation frame 21, a lifting platform 22 connected to the weighing installation frame 21 in a sliding manner, a lifting driving assembly 23 for driving the lifting platform 22 to move vertically, a transfer containing mechanism 24 connected to the lifting platform 22 in a sliding manner vertically, and a weighing assembly installed between the transfer containing mechanism 24 and the lifting platform 22.
Wherein, elevating platform 22 is the level setting, and elevating platform 22 realizes vertical slip with the installation frame 21 of weighing through the structure of slide rail and slider and is connected. Referring to fig. 3 and 4, the elevation driving assembly 23 includes a driving gear 231 rotatably coupled to the weigh mounting frame 21, a driving rack 232 fixedly coupled to the elevation table 22, and an elevation driving motor 233 for driving the driving gear 231 to rotate; wherein, the driving rack 232 is vertically arranged, and the driving gear 231 is meshed with the driving rack 232. The driving gear 231 is driven to rotate by the lifting driving motor 233, and then the driving force can be transmitted to the lifting table 22 by the engagement between the driving gear 231 and the driving rack 232, so as to drive the lifting table 22 to move vertically. In addition, a reduction gear 234 is installed between the elevating driving motor 233 and the driving gear 231 in order to make the torque transmission more stable.
Referring to fig. 3 and 5, the relay loading mechanism 24 may be used to temporarily load the rare earth output from the main feeding pipe 141 for weighing before loading into the loading container. Specifically, the transfer containing mechanism 24 includes a transfer base plate 241, a vertical transfer channel 242 installed on the transfer base plate 241 and corresponding to the discharge pipe 1412 of the feeding main pipe 141, an opening/closing member 243 for opening and closing a lower end opening of the vertical transfer channel 242, and an opening/closing driving member 244 for driving the opening/closing member 243 to open and close the vertical transfer channel 242.
The transfer base plate 241 is a horizontal plate located on the upper side of the lifting platform 22, and the transfer base plate 241 and the lifting platform 22 are connected in a sliding manner along the vertical direction in a sliding rod and sliding cylinder manner. Correspondingly, the weighing assembly is installed between the transfer base plate 241 and the lifting platform 22; specifically, the weighing assembly comprises four weighing sensors 25, the four weighing sensors 25 are distributed in a rectangular array manner, and the four weighing sensors 25 are all connected to the processor; so as to realize real-time weighing of the weight of the whole transfer containing mechanism 24 through the weighing sensor 25 and transmit the data to the processor for processing.
The vertical transfer channel 242 is in a vertical cylindrical shape, and the upper end of the vertical transfer channel 242 can be used for the discharge pipe 1412 of the main feeding pipe 141 to extend into; and, the inner wall of the upper end of the vertical transit passage 242 has a distance with the outer wall of the lower end of the discharge pipe 1412. Meanwhile, the lower end surface of the vertical relay passage 242 is in a space between the relay base plate 241 and the lift table 22.
Correspondingly, set up the blanking through-hole 221 that can supply the blanking of vertical transfer channel 242 lower extreme on the elevating platform 22, blanking through-hole 221 and splendid attire container's upper end outer fringe looks adaptation, and elevating platform 22 can descend to the upper end of splendid attire container and stretch into to the blanking through-hole 221 in to reach the spacing effect of holding through blanking through-hole 221 to the upper end of splendid attire container, reduce the condition that tombarthite whereabouts to the in-process splendid attire container discovery offset of splendid attire container. In this embodiment, when the upper end of the container is located in the blanking through hole 221, the upper end of the vertical transfer channel 242 can still receive the lower end of the discharge pipe 1412 of the main feed pipe 141, so as to maintain the communication state between the vertical transfer channel 242 and the discharge pipe 1412 of the main feed pipe 141.
Referring to fig. 3 and 5, the opening and closing member 243 is plate-shaped, the opening and closing member 243 is horizontally slidably connected to the lower surface of the transfer base plate 241 in the form of a slide rail and a slider, the opening and closing member 243 can slidably move to a position right below the opening at the lower end of the vertical transfer channel 242 to close the vertical transfer channel 242, and the opening and closing member 243 can also slidably move to a position separated from the vertical transfer channel 242 to open the vertical transfer channel 242.
The opening and closing driving member 244 is used to drive the opening and closing member 243 to move, in this embodiment, the opening and closing driving member 244 is fixed to an opening and closing driving cylinder on the lower surface of the transfer substrate 241, and the opening and closing member 243 is connected to a piston rod of the opening and closing driving cylinder. The opening and closing piece 243 is driven to move by opening and closing the driving cylinder, so that the opening and closing piece 243 is driven to open or close the lower end opening of the vertical transit passage 242.
Meanwhile, a supporting edge 2421 for supporting the end edge of the opening and closing piece 243 is formed on the inner wall of the vertical transfer channel 242 on the side far away from the opening and closing driving cylinder; when the opening/closing member 243 closes the lower end opening of the vertical transfer passage 242, the supporting edge 2421 can be used to support the end edge of the opening/closing member 243, so as to reduce the downward shaking of the opening/closing member 243 due to the impact of the rare earth, thereby keeping the stable closing of the opening/closing member 243 on the lower end opening of the vertical transfer passage 242.
Referring to fig. 5 and 6, an anti-shaking guide wheel 26 is installed on the lower surface of the transfer base plate 241 of the vertical transfer passage 242 facing the side of the on/off driving cylinder; in the process that the opening and closing piece 243 is driven by the opening and closing driving cylinder to move, the anti-shaking guide wheel 26 can abut and guide the upper surface of the opening and closing piece 243, so that the situation that the opening and closing piece 243 shakes to cause the rare earth to spill in the falling process is reduced.
The implementation principle of the rare earth quantitative feeding system in the embodiment of the application is as follows: the storage hopper 12 stores the rare earth to be roasted, and the rare earth enters the feeding main pipe 141 through the shaking and blanking effects of the blanking hopper 13 and the shaking and blanking assembly 17. Then, the feeding main pipe 141 and the screw feeding component 142 are matched to carry out spiral conveying on the rare earth to be roasted so as to better control the conveying amount of the rare earth.
Meanwhile, the bottom opening of the vertical transit passage 242 is closed by the shutter 243, so that a container for temporarily containing the rare earth is formed, and the main feeding pipe 141 conveys the rare earth into the temporary container formed by the shutter 243 and the vertical transit passage 242. Utilize and weigh the subassembly and weigh the interior interim splendid attire's of vertical transit passageway 242 tombarthite, wait that the interim splendid attire volume of tombarthite reaches the default, and when the splendid attire container carried to vertical transit passageway 242 under via the conveyer belt.
The lifting platform 22 is driven to descend to the upper end of the container and extend into the blanking through hole 221 of the lifting platform 22, and the upper end of the container is accommodated and limited by the blanking through hole 221 of the lifting platform 22. Then, the opening and closing piece 243 is driven by the opening and closing driving cylinder to open the lower end of the vertical transit passage 242, so that the rare earth falls into the container; then, the lifting platform 22 is driven to ascend to the upper end of the container to be separated from the blanking through hole 221 of the lifting platform 22, and the container can be conveyed forwards continuously.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A rare earth quantitative feeding system is characterized in that: the rare earth screw feeding device comprises a material supplying device (1) and a transfer weighing device (2), wherein the material supplying device (1) comprises a feeding mechanism (14), the feeding mechanism (14) comprises a feeding main pipe (141) for conveying rare earth and a screw feeding assembly (142) for spirally feeding the rare earth in the feeding main pipe (141), and the feeding main pipe (141) is provided with a discharging hole; transfer weighing device (2) including weigh installation frame (21), vertical slip connect in the transfer splendid attire mechanism (24) of weighing installation frame (21) and be used for weighing the subassembly of weighing of transfer splendid attire mechanism (24), transfer splendid attire mechanism (24) including vertical slip connect in the transfer base plate (241) of weighing installation frame (21), locate on transfer base plate (241) and with the corresponding vertical transfer passageway (242) of the discharge gate of pay-off person in charge (141), be used for opening and close piece (243) that open and close and be used for driving opening and close piece (243) and open and close driving piece (244) that open and close vertical transfer passageway (242) are opened and close vertical transfer passageway (242).
2. The rare earth dosing system according to claim 1, wherein: the opening and closing piece (243) is connected to the transfer base plate (241) in a sliding mode along the horizontal direction, and the opening and closing driving piece (244) is used for driving the opening and closing piece (243) to move horizontally.
3. The rare earth dosing system according to claim 2, wherein: the opening and closing piece (243) is plate-shaped, and one side of the transfer base plate (241) close to the opening and closing piece (243) is rotatably provided with an anti-shaking guide wheel (26) for abutting the surface of the opening and closing piece (243).
4. The rare earth dosing system according to claim 1, wherein: the weighing and installing rack (21) is provided with a lifting platform (22) and a lifting driving assembly (23) for driving the lifting platform (22), and the transfer base plate (241) is vertically connected to the lifting platform (22) in a sliding manner so as to realize the sliding connection between the transfer base plate (241) and the weighing and installing rack (21) through the lifting platform (22); the weighing assembly is arranged between the lifting platform (22) and the transfer base plate (241), and the lifting platform (22) is provided with a blanking through hole (221) for downward blanking of the vertical transfer channel (242).
5. The rare earth dosing system according to claim 4, wherein: the blanking through hole (221) of the lifting platform (22) is matched with the outer edge of the upper end of the container, and the lifting platform (22) can descend to the upper end of the container and stretch into the blanking through hole (221).
6. The rare earth dosing system according to claim 4, wherein: the lifting driving assembly (23) comprises a driving gear (231) rotatably arranged on the weighing installation rack (21), a driving rack (232) fixedly connected to the lifting platform (22) and a lifting driving motor (233) used for driving the driving gear (231) to rotate, the driving gear (231) is meshed with the driving rack (232), and a reduction box (234) is arranged between the lifting driving motor (233) and the driving gear (231).
7. The rare earth dosing system according to claim 1, wherein: the material supply device (1) further comprises a storage hopper (12) and a blanking hopper (13) arranged below the storage hopper (12), wherein the blanking hopper (13) is provided with a material shaking component (17) for driving the blanking hopper (13) to shake; the feeding main pipe (141) is provided with a feeding hole, and the discharging hole of the blanking hopper (13) is communicated with the feeding hole of the feeding main pipe (141).
8. The rare earth dosing system of claim 7, wherein: a feeding pipe (1411) and a discharging pipe (1412) are arranged on the feeding main pipe (141), the feeding hole is positioned at the upper end of the feeding pipe (1411), and the discharging hole is positioned at the lower end of the discharging pipe (1412); the lower end of the blanking hopper (13) extends into the feeding pipe (1411), and a gap is formed between the outer wall of the lower end of the blanking hopper (13) and the inner wall of the feeding pipe (1411); the discharging pipe (1412) can extend into the upper end of the vertical transfer passage (242), and a gap is formed between the outer wall of the discharging pipe (1412) and the inner wall of the upper end of the vertical transfer passage (242).
9. The rare earth dosing system of claim 8, wherein: be connected with flexible channel (16) between the upper end of blanking fill (13) and the lower extreme of storage hopper (12), blanking fill (13) along vertical sliding connect in storage hopper (12), just be equipped with elasticity piece (15) that resets between blanking fill (13) and storage hopper (12).
10. The rare earth dosing system of claim 7, wherein: the material supply device (1) further comprises a supply mounting frame (11), the storage hopper (12) is arranged in the supply mounting frame (11), a climbing ladder (111) is arranged on the side wall of the supply mounting frame (11), and a grid (121) is arranged in the storage hopper (12).
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| CN202110445107.7A CN113184236A (en) | 2021-04-24 | 2021-04-24 | Rare earth quantitative feeding system |
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| CN202110445107.7A CN113184236A (en) | 2021-04-24 | 2021-04-24 | Rare earth quantitative feeding system |
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Application publication date: 20210730 |