CN116142836A - Electrode powder blanking device and electrode powder blanking method - Google Patents
Electrode powder blanking device and electrode powder blanking method Download PDFInfo
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- CN116142836A CN116142836A CN202310073413.1A CN202310073413A CN116142836A CN 116142836 A CN116142836 A CN 116142836A CN 202310073413 A CN202310073413 A CN 202310073413A CN 116142836 A CN116142836 A CN 116142836A
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- dust collection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/185—Preventing escape of dust by means of non-sealed systems
- B65G69/186—Preventing escape of dust by means of non-sealed systems with aspiration means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses an electrode powder blanking device and an electrode powder blanking method, wherein the electrode powder blanking device comprises a blanking mechanism and a dust collection mechanism, the blanking mechanism is provided with a feeding bin, a spiral feeding pipe and a feeding motor, and the dust collection mechanism is provided with a dust collection cover, a dust collection branch pipe and a negative pressure gas pipeline; one end of the dust collection branch pipe is communicated with the feeding bin, and the discharge port extends into the dust collection cover; one end of the negative pressure gas pipeline is communicated with the feeding bin, and the other end of the negative pressure gas pipeline is connected with the negative pressure fan; a filter element is arranged at the communication part of the feeding bin and the negative pressure gas pipeline; in the electrode powder blanking process, the feeding motor drives the spiral feeding pipe to rotationally feed, electrode powder is blanked downwards from the discharge hole, and the dust collection branch pipe is communicated with negative pressure gas to conduct dust collection work on dust generated during electrode powder blanking; according to the invention, dust is synchronously sucked in the blanking process, and the dust is directly sucked into the feeding bin, so that the dust is prevented from flying, the health of workers is ensured, and the dust is directly recycled, so that the waste of raw materials is avoided, and the feeding bin is more environment-friendly.
Description
Technical Field
The invention relates to the technical field of powder blanking, in particular to an electrode powder blanking device and an electrode powder blanking method.
Background
The graphite can be used as antiwear agent and lubricant, and the high-purity graphite can be used as neutron moderator in an atomic reactor, and can also be used for manufacturing crucibles, electrodes, brushes, dry batteries, graphite fibers, heat exchangers, coolers, electric arc furnaces, arc lamps, pencil leads and the like; in the prior art, graphite raw materials are often processed by a spiral conveyor to be conveyed into a die, and an electrode plate is formed by curing and pressing; because the graphite raw material is in a powder shape, when the graphite raw material is conveyed to the upper end and falls from the blanking cylinder, great dust is generated, and the dust easily flies in the air to cause pollution, so that the physical health of staff is endangered; a large amount of raw materials are wasted, and the production input cost is increased; a dust collection device is arranged on one side of the die and is used for collecting the dust, however, the dust collection device is positioned on one side of the die and is separated from the blanking device, and the dust collection device cannot comprehensively collect the dust generated during blanking, so that the dust collection effect is poor; in the prior art, graphite powder in a storage tank is fed onto a spiral feeder by using a material sucking device, so that the spiral feeder is convenient to feed into a die; however, in the process of sucking materials, graphite powder is easy to adsorb on a filter element, so that the filter element is blocked, negative pressure gas passing is influenced, and the sucking efficiency is further influenced; the cleaning needs to be performed manually at intervals, the use is troublesome, continuous work can not be performed, and the use requirement can not be met.
In view of the above, the present inventors have developed and designed the present invention by intensively conceived and actively studied and improved attempts to solve various drawbacks and inconveniences caused by the above-described electrode powder discharging device and electrode powder discharging method.
Disclosure of Invention
The invention aims to provide an electrode powder blanking device and an electrode powder blanking method, which are used for synchronously sucking dust in the blanking process and directly sucking the dust into a feeding bin, so that the dust is prevented from flying, the health of workers is ensured, and the electrode powder is directly recycled, so that raw material waste is avoided and the electrode powder blanking device is more environment-friendly.
In order to achieve the above object, the solution of the present invention is:
the electrode powder blanking device comprises a blanking mechanism and a dust collection mechanism, wherein the blanking mechanism is provided with a feeding bin, a spiral feeding pipe and a feeding motor, the feeding bin is arranged above the spiral feeding pipe through a first switch valve, and the spiral feeding pipe is provided with a feeding hole and a discharging hole; the dust collection mechanism is provided with a dust collection cover, a dust collection branch pipe and a negative pressure gas pipeline connected with negative pressure gas; the dust collection cover is provided with a dust collection port communicated and connected with one end of a dust collection branch pipe, the other end of the dust collection branch pipe is communicated and connected with the side wall of the feeding bin, and the discharge port extends into the dust collection cover; one end of the negative pressure gas pipeline is communicated with the top wall of the feeding bin, and the other end of the negative pressure gas pipeline is connected with a negative pressure fan; the feeding bin is provided with a filter element at the position communicated with the negative pressure gas pipeline; in the electrode powder blanking process, the feeding motor drives the spiral feeding pipe to rotate for feeding, electrode powder is fed downwards from the discharge hole, the first switch valve is closed, the negative pressure gas pipeline is communicated with negative pressure gas, a negative pressure area is formed in the feeding bin, and the dust collection branch pipe is used for collecting dust generated during electrode powder blanking.
The negative pressure gas pipeline is provided with an overpressure switching valve, and the dust collection branch pipe is provided with a dust collection control valve.
The dust collection opening is arranged at the central position of the dust collection cover, and a side opening for the discharge opening to extend in is arranged on the inner wall of the dust collection opening.
The dust collection cover is provided with a top plate and cover side plates which are downwards and outwards gradually widened from the peripheral wall of the top plate, and the dust collection opening is arranged in the center of the top plate; the spiral conveying pipe is transversely arranged, the discharge port is transversely arranged on the inner wall of the dust collection port, and the discharge port is attached to the bottom end of the dust collection port.
The feeding device is characterized in that a storage bin is arranged between the spiral feeding pipe and the feeding bin, the feeding bin and the storage bin are arranged in an up-down communication mode, a first switch valve is arranged at the joint of the feeding bin and the storage bin, and a second switch valve is arranged between the lower opening of the storage bin and the feeding inlet of the spiral feeding pipe.
The blanking mechanism further comprises a material sucking mechanism, wherein the material sucking mechanism is provided with a material sucking branch pipe inserted into the storage tank, and a material sucking device and a material sucking control valve which are arranged on the material sucking branch pipe.
The filter element is characterized in that a partition plate for dividing the feeding bin into an upper part and a lower part is arranged in the feeding bin, the filter element is arranged on the partition plate, and a plurality of filter elements are arranged on the partition plate.
The filter element is provided with two layers of PE filtering membranes.
The suction branch pipe and the dust collection branch pipe are converged on a main pipeline, and the main pipeline is connected to the side wall of the feeding bin in a communicating way.
The blanking mechanism further comprises a dust removing mechanism, the dust removing mechanism is provided with a gas storage tank and a pulse valve, the gas storage tank is provided with a high-pressure gas pipeline which is connected with a negative-pressure gas pipeline in a communicating mode, and the pulse valve is arranged on the high-pressure gas pipeline.
A discharging cavity is arranged between the storage bin and the spiral feeding pipe, the upper opening of the discharging cavity is connected with the lower opening of the storage bin through a second switch valve, and the lower opening of the discharging cavity is communicated with the feeding hole of the spiral feeding pipe; and a filling sensor is arranged in the blanking chamber.
An electrode powder blanking method has the following steps:
s1, a material sucking step, namely opening a first switch valve below a feeding bin and closing a second switch valve below a storage bin; opening an overpressure switching valve to access negative pressure gas, forming a negative pressure area in the feeding bin, opening a material sucking control valve, and sucking electrode powder from a material storage tank into the feeding bin and the storage bin through a material sucking branch pipe;
s2, closing the material sucking control valve, closing the overpressure switching valve to cut off negative pressure gas, and stopping sucking the material by the material sucking branch pipe;
s3, opening a second switch valve, and discharging electrode powder in the feeding bin and the storage bin into a discharging cavity;
s4, a blanking step, namely closing the first switch valve and/or the second switch valve, wherein the feeding motor drives the spiral feeding pipe to rotationally feed, and electrode powder is blanked downwards from a discharge hole in the dust hood;
s5, a dust collection step, namely opening an overpressure switching valve to be connected with negative pressure gas, forming a negative pressure area in the feeding bin, and then opening a dust collection control valve to suck dust in a dust collection cover into the feeding bin through a dust collection branch pipe;
s6, fully blanking the electrode powder in the blanking cavity into a die to finish one-time blanking work; and repeating the steps S1, S2, S3, S4 and S6 to carry out the next blanking work.
The blanking step and the dust collection step are performed with cloth.
Before the step S1 or after the step S2, a dust removing step is further included, a pulse valve is opened, gas in the gas storage tank is high-pressure backflushed to the filter element, and powder on the filter element is vibrated down to the feeding bin.
The material sucking step, the blanking step and the dust sucking step are synchronously performed.
By adopting the structure, in the electrode powder blanking process, the feeding motor drives the spiral feeding pipe to rotationally feed, and the electrode powder is blanked downwards from the discharge hole; closing a first switch valve, opening a negative pressure fan to generate negative pressure gas, connecting a negative pressure gas pipeline with the negative pressure gas, forming a negative pressure area in a feeding bin, and sucking dust generated during electrode powder blanking by a dust sucking branch pipe; the discharging hole extends into the dust hood, so that a discharging and dust collection integrated structure is realized, dust collection, recycling and reutilization can be comprehensively carried out on powder generated during discharging, and the dust collection effect is good; according to the invention, dust is synchronously sucked in the blanking process, and the dust is directly sucked into the feeding bin, so that the dust is prevented from flying, the health of workers is ensured, and the dust is directly recycled, so that the waste of raw materials is avoided, and the feeding bin is more environment-friendly.
Drawings
FIG. 1 is a schematic diagram of the whole structure of an electrode powder discharging device of the present invention;
FIG. 2 is a schematic cross-sectional view of the position of a dust hood in the electrode powder discharging apparatus of the present invention;
FIG. 3 is a schematic view of a dust hood in the electrode powder discharging device of the present invention;
FIG. 4 is a schematic cross-sectional view of the position of the feed bin in the electrode powder discharging device of the present invention.
Symbol description
A blanking mechanism 1; a dust collection mechanism 2; a feed bin 11; a spiral feed tube 12; a feeding motor 13; a first switch valve 111; a feed port 121; a discharge port 122; a dust hood 21; a dust collection branch pipe 22; a negative pressure gas line 23; a dust suction port 211; a negative pressure fan 3; a filter element 112; an overpressure switching valve 231; a dust collection control valve 221; a storage bin 14; a second switching valve 141; a suction mechanism 5; a storage tank 10; a suction manifold 51; a suction device 52; a suction control valve 53; a partition 113; an ash removing mechanism 4; a gas tank 41; a pulse valve 42; a high pressure gas line 411; a blanking chamber 16; full sensor 161.
Detailed Description
In order to further explain the technical scheme of the invention, the invention is explained in detail by specific examples.
Referring to fig. 1 to 4, the invention discloses an electrode powder blanking device, which comprises a blanking mechanism 1 and a dust collection mechanism 2, wherein the blanking mechanism 1 is provided with a feeding bin 11, a spiral feeding pipe 12 and a feeding motor 13, the feeding bin 11 is arranged above the spiral feeding pipe 12 through a first switch valve 111, and the spiral feeding pipe 12 is provided with a feeding hole 121 and a discharging hole 122; the dust collection mechanism 2 is provided with a dust collection cover 21, a dust collection branch pipe 22 and a negative pressure gas pipeline 23 connected with negative pressure gas; the dust hood 21 is provided with a dust collection port 211 communicated and connected with one end of a dust collection branch pipe 23, the other end of the dust collection branch pipe 23 is communicated and connected with the side wall of the feeding bin 11, and the discharge port 122 extends into the dust hood 21; one end of the negative pressure gas pipeline 23 is communicated with the top wall of the feeding bin 11, and the other end of the negative pressure gas pipeline 23 is connected with the negative pressure fan 3; the feeding bin 11 is provided with a filter element 112 at a position communicated with the negative pressure gas pipeline 23; in the process of discharging electrode powder, the feeding motor 13 drives the spiral feeding pipe 12 to rotationally feed, electrode powder is discharged downwards from the discharge hole 122, the first switch valve 111 is closed, the negative pressure gas pipeline 23 is communicated with negative pressure gas, a negative pressure area is formed in the feeding bin 11, and the dust collection branch pipe 22 is used for collecting dust generated during discharging of the electrode powder.
In the electrode powder blanking device, in the electrode powder blanking process, the feeding motor 13 drives the spiral feeding pipe 12 to rotationally feed, and electrode powder is blanked downwards from the discharge hole 122; the first switch valve 111 is closed, the negative pressure fan 3 is opened to generate negative pressure gas, the negative pressure gas pipeline 23 is communicated with the negative pressure gas, a negative pressure area is formed in the feeding bin 11, and the dust collection branch pipe 22 is used for collecting dust generated during electrode powder blanking; the discharging hole 122 extends into the dust hood 21, so that a discharging and dust collection integrated structure is realized, dust collection, recycling and reutilization can be comprehensively carried out on powder generated during discharging, and the dust collection effect is good; according to the invention, dust is synchronously sucked in the blanking process, and the dust is directly sucked into the feeding bin, so that the dust is prevented from flying, the health of workers is ensured, and the dust is directly recycled, so that the waste of raw materials is avoided, and the feeding bin is more environment-friendly.
The negative pressure gas pipeline 23 is provided with the overpressure switching valve 231, so that the connection and disconnection of negative pressure gas can be conveniently controlled; the dust collection branch pipe 22 is provided with a dust collection control valve 221, which is convenient for controlling the connection or the disconnection of the dust collection branch pipe 22, and realizes the opening and the closing of dust collection work.
The dust collection opening 211 is arranged at the center of the dust collection cover 21, a side opening for the discharge opening 122 to extend in is arranged on the inner wall of the dust collection opening 211, and the discharge opening 122 is positioned on the inner wall of the dust collection opening 211; when the electrode powder rotates and feeds in the spiral feeding pipe 12, the electrode powder is discharged in a parabolic manner at the position of the discharge hole 122, and the electrode powder occupies part of the dust collection hole 211, so that the dust collection hole 211 is smaller at the position of the discharge hole 122, and a practical dust collection hole with a big horn shape is formed; in the dust collection port position, the electrode powder discharging flow direction and the dust collection flow direction are arranged side by side, the quantity of the discharged electrode powder is multiple, and the quantity of dust generated by discharging is small and light; therefore, the blanking effect of the electrode powder is not affected, and meanwhile, the dust collection opening is positioned above the discharge opening, so that dust collection is timely performed, the dust collection effect can be improved, and dust is prevented from flying in the air.
The dust hood 21 of the present invention has a top plate and a hood side plate which is formed by gradually expanding downwards and outwards from the peripheral wall of the top plate, and the dust suction opening 211 is formed in the center of the top plate; the spiral feeding pipe 12 is transversely arranged, the discharge port 122 is transversely arranged on the inner wall of the dust collection port 211, and the discharge port 122 is abutted against the bottom end of the dust collection port 211; dust collection is performed at the position of the discharge hole 122, and the dust collection effect is better.
A storage bin 14 is arranged between the spiral feeding pipe 12 and the feeding bin 11, the feeding bin 11 and the storage bin 14 are arranged in an up-down communication mode, the connection part of the feeding bin 11 and the storage bin 14 is provided with the first switch valve 111, and a second switch valve 141 is arranged between the lower opening of the storage bin 14 and a feed inlet 121 of the spiral feeding pipe 12; the storage bin 14 can increase the capacity of the feeding bin 11, increase the storage space and suck 10 kg of materials for a single time.
The blanking mechanism of the invention also comprises a material sucking mechanism 5, wherein the material sucking mechanism 5 is provided with a material sucking branch pipe 51 which is inserted into the storage tank 10, and a material sucking device 52 and a material sucking control valve 53 which are arranged on the material sucking branch pipe 51; when a negative pressure area is formed in the feeding bin 11, the suction control valve 53 and the suction device 52 are opened, electrode powder in the storage tank 10 can be sucked and fed into the feeding bin 11 and the storage bin 14, then the second switch valve 141 is opened, and the electrode powder is rotationally fed into the die through the spiral feeding pipe 12, so that the functions of automatic feeding and automatic discharging are realized.
A partition board 113 for dividing the feeding bin 11 into an upper part and a lower part is arranged in the feeding bin 11, the filter elements 112 are arranged on the partition board 113, and a plurality of filter elements 112 (for example, 9 filter elements are distributed in a matrix) are arranged on the partition board 113; negative pressure gas generated by the negative pressure fan 3 enters the feeding bin 11 through the filter element 112, and in the material sucking process, the filter element 112 can prevent electrode powder from entering the negative pressure gas pipeline 23, so that the negative pressure gas pipeline 23 is prevented from being blocked, and the normal work of the negative pressure fan 3 is not influenced.
The filter element 112 is provided with two layers of PE filtering films; the filtering effect of the filter element 112 is improved.
The suction branch pipe 51 and the suction branch pipe 22 are combined to a main pipeline, and the main pipeline is communicated and connected to the side wall of the feeding bin 11; the suction branch pipe 51 and the suction branch pipe 22 can be connected to the feeding bin 11 through the same main pipeline, and the suction control valve 53 and the suction control valve 221 are respectively used for controlling the connection or disconnection of negative pressure gas; when a negative pressure area is formed in the feeding bin 11, the material sucking and dust collecting work can be performed simultaneously, or the material sucking and dust collecting work can be performed separately; the connection structure is simpler, and specific operation is more convenient.
The blanking mechanism 1 of the invention further comprises a dust removing mechanism 4, the dust removing mechanism 4 is provided with a gas storage tank 41 and a pulse valve 42, the gas storage tank 41 is provided with a high-pressure gas pipeline 411 which is communicated and connected with the negative pressure gas pipeline 23, and the pulse valve 42 is arranged on the high-pressure gas pipeline 411; the high-pressure gas pipeline 411 is connected to the negative pressure gas pipeline 23 between the overpressure switching valve 231 and the filter element 112; the pulse valve 42 is opened, the gas in the gas storage tank 41 is high-pressure backflushed to the filter element 112 and the powder on the filter element 112 is vibrated down to the feeding bin 11, so that the phenomenon that negative pressure gas cannot smoothly enter the feeding bin 11 due to the blockage of the filter element 112 is avoided, and the suction effect and the dust collection effect are affected.
A blanking chamber 16 is arranged between the storage bin 14 and the spiral feeding pipe 12, an upper opening of the blanking chamber 16 is connected with a lower opening of the storage bin 14 through a second switch valve 141, and the lower opening of the blanking chamber 16 is communicated with a feed inlet 121 of the spiral feeding pipe 12; and a full charge sensor 161 is arranged in the blanking chamber 16; in the material sucking process, the second switch valve 141 is closed, a closed space is formed between the storage bin 14 and the feeding bin 11, negative pressure gas is communicated to form a negative pressure area, and electrode powder is sucked into the storage bin 14; then discharging the electrode powder into the discharging cavity 16, and then closing the second switch valve 141 to continue the sucking operation; the feeding operation is performed while the spiral feeding pipe 12 rotates for discharging, so that time is saved, and production efficiency is improved.
The invention also discloses an electrode powder blanking method, which comprises the following steps:
s1, a material sucking step, namely opening a first switch valve 111 below a feeding bin 11 and closing a second switch valve 141 below a storage bin 14; opening an overpressure switching valve 231 to access negative pressure gas, forming a negative pressure area in the feeding bin 11, opening a suction control valve 53, and sucking electrode powder from the storage tank 10 into the feeding bin 11 and the storage bin 14 through a suction branch pipe 51;
s2, closing the suction control valve 53, and closing the overpressure switching valve 231 to cut off negative pressure gas, and stopping suction of the suction branch pipe 51;
s3, opening a second switch valve 141, and discharging electrode powder in the feeding bin 11 and the storage bin 14 into the discharging cavity 16;
s4, a blanking step, namely closing the first switch valve 111 and/or the second switch valve 141, wherein the feeding motor 13 drives the spiral feeding pipe 12 to rotationally feed, and electrode powder is blanked from a discharge hole 122 in the dust hood 21;
s5, in the dust collection step, an overpressure switching valve 231 is opened to be connected with negative pressure gas, a negative pressure area is formed in the feeding bin 11, a dust collection control valve 221 is opened, and dust in the dust collection cover 21 is sucked into the feeding bin 11 through a dust collection branch pipe 22;
s6, fully blanking the electrode powder in the blanking cavity 16 into a die to finish one-time blanking work; and repeating the steps S1, S2, S3, S4 and S6 to carry out the next blanking work.
The discharging hole 122 extends into the dust hood 21, so that a discharging and dust collection integrated structure is realized, powder generated during discharging can be comprehensively collected, recycled and reused, and the dust collection effect is good; after the electrode powder is fed into the die, a supporting table of the die is provided with a lifting mechanism capable of lifting up and down and a vibrating mechanism for vibrating the die to uniformly distribute the material; then pressing the electrode powder on a die by using a die upper cover, wherein the die upper cover is provided with a plurality of guide posts inserted into the electrode powder, and a plurality of holes are formed in the electrode powder; and finally, maintaining the formed electrode plate.
The blanking step and the dust collection step are carried out with cloth; synchronous dust collection is performed in the discharging process, dust is directly sucked into the feeding bin, so that dust flying is avoided, the health of workers is guaranteed, and the dust is directly recycled, raw material waste is avoided, and the dust feeding bin is more environment-friendly.
The invention also comprises a dust removing step before step S1 or after step S2, wherein the pulse valve 42 is opened, the gas in the gas storage tank 41 is back-flushed onto the filter element 112 under high pressure, and the powder on the filter element 112 is vibrated down into the feeding bin 11, so that the situation that negative pressure gas cannot smoothly enter the feeding bin 11 due to the blockage of the filter element 112 is avoided, and the suction effect and/or dust collection effect are poor.
The material sucking step, the blanking step and the dust sucking step are synchronously performed; in the electrode powder blanking process, the first switch valve 111 is closed, the negative pressure fan 3 is opened to generate negative pressure gas, the negative pressure gas pipeline 23 is communicated with the negative pressure gas, a negative pressure area is formed in the feeding bin 11, and the suction pipe 51 can suck electrode powder from the storage tank 10 into the feeding bin 11; after the material suction is completed, the negative pressure fan 3 is closed, the first switch valve 111 is opened, and the electrode powder in the feeding bin 11 is discharged to the spiral feeding pipe 12; closing the first switch valve 111, wherein the feeding motor 13 drives the spiral feeding pipe 12 to rotationally feed, and discharging electrode powder from the discharge hole 122; meanwhile, the negative pressure fan 3 is opened to generate negative pressure gas, the negative pressure gas pipeline 23 is communicated with the negative pressure gas, a negative pressure area is formed in the feeding bin 11, and the dust collection branch pipe 22 is used for collecting dust generated during electrode powder blanking; in the dust collection process, negative pressure gas can be split into the material sucking branch pipes 51, and the material sucking branch pipes 51 can suck materials; realize synchronous material sucking step, unloading step and dust absorption step, save time, improve production efficiency.
The above examples and drawings are not intended to limit the form or form of the present invention, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present invention.
Claims (10)
1. An electrode powder unloader, its characterized in that: the feeding bin is arranged above the spiral feeding pipe through a first switch valve, and the spiral feeding pipe is provided with a feeding hole and a discharging hole; the dust collection mechanism is provided with a dust collection cover, a dust collection branch pipe and a negative pressure gas pipeline connected with negative pressure gas; the dust collection cover is provided with a dust collection port communicated and connected with one end of a dust collection branch pipe, the other end of the dust collection branch pipe is communicated and connected with the side wall of the feeding bin, and the discharge port extends into the dust collection cover; one end of the negative pressure gas pipeline is communicated with the top wall of the feeding bin, and the other end of the negative pressure gas pipeline is connected with a negative pressure fan; the feeding bin is provided with a filter element at the position communicated with the negative pressure gas pipeline; in the electrode powder blanking process, the feeding motor drives the spiral feeding pipe to rotate for feeding, electrode powder is fed downwards from the discharge hole, the first switch valve is closed, the negative pressure gas pipeline is communicated with negative pressure gas, a negative pressure area is formed in the feeding bin, and the dust collection branch pipe is used for collecting dust generated during electrode powder blanking.
2. An electrode powder blanking apparatus as claimed in claim 1, wherein: the negative pressure gas pipeline is provided with an overpressure switching valve, and the dust collection branch pipe is provided with a dust collection control valve.
3. An electrode powder blanking apparatus as claimed in claim 1, wherein: the dust collection opening is arranged at the central position of the dust collection cover, and a side opening for the discharge opening to extend in is arranged on the inner wall of the dust collection opening.
4. An electrode powder blanking apparatus as claimed in claim 3, wherein: the dust collection cover is provided with a top plate and cover side plates which are downwards and outwards gradually widened from the peripheral wall of the top plate, and the dust collection opening is arranged in the center of the top plate; the spiral conveying pipe is transversely arranged, the discharge port is transversely arranged on the inner wall of the dust collection port, and the discharge port is attached to the bottom end of the dust collection port.
5. An electrode powder blanking apparatus as claimed in claim 2, wherein: the feeding device is characterized in that a storage bin is arranged between the spiral feeding pipe and the feeding bin, the feeding bin and the storage bin are arranged in an up-down communication mode, a first switch valve is arranged at the joint of the feeding bin and the storage bin, and a second switch valve is arranged between the lower opening of the storage bin and the feeding inlet of the spiral feeding pipe.
6. An electrode powder blanking apparatus as claimed in claim 2, wherein: the blanking mechanism further comprises a material sucking mechanism, wherein the material sucking mechanism is provided with a material sucking branch pipe inserted into the storage tank, and a material sucking device and a material sucking control valve which are arranged on the material sucking branch pipe.
7. An electrode powder blanking apparatus as defined in claim 6, wherein: the filter element is characterized in that a partition plate for dividing the feeding bin into an upper part and a lower part is arranged in the feeding bin, the filter element is arranged on the partition plate, and a plurality of filter elements are arranged on the partition plate.
8. An electrode powder blanking apparatus as defined in claim 6, wherein: the filter element is provided with two layers of PE filtering membranes.
9. An electrode powder blanking apparatus as defined in claim 6, wherein: the suction branch pipe and the dust collection branch pipe are converged on a main pipeline, and the main pipeline is connected to the side wall of the feeding bin in a communicating way.
10. An electrode powder blanking apparatus as claimed in claim 2, wherein: the blanking mechanism further comprises a dust removing mechanism, the dust removing mechanism is provided with a gas storage tank and a pulse valve, the gas storage tank is provided with a high-pressure gas pipeline which is connected with a negative-pressure gas pipeline in a communicating mode, and the pulse valve is arranged on the high-pressure gas pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310073413.1A CN116142836A (en) | 2023-01-18 | 2023-01-18 | Electrode powder blanking device and electrode powder blanking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310073413.1A CN116142836A (en) | 2023-01-18 | 2023-01-18 | Electrode powder blanking device and electrode powder blanking method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116142836A true CN116142836A (en) | 2023-05-23 |
Family
ID=86357789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310073413.1A Pending CN116142836A (en) | 2023-01-18 | 2023-01-18 | Electrode powder blanking device and electrode powder blanking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116142836A (en) |
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2023
- 2023-01-18 CN CN202310073413.1A patent/CN116142836A/en active Pending
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