CN115838080A - Airflow feeding system for negative powder particles of lithium battery - Google Patents
Airflow feeding system for negative powder particles of lithium battery Download PDFInfo
- Publication number
- CN115838080A CN115838080A CN202211687113.4A CN202211687113A CN115838080A CN 115838080 A CN115838080 A CN 115838080A CN 202211687113 A CN202211687113 A CN 202211687113A CN 115838080 A CN115838080 A CN 115838080A
- Authority
- CN
- China
- Prior art keywords
- feeding
- assembly
- bin
- storage
- powder particles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses an airflow feeding system for lithium battery negative electrode powder particles, which relates to the technical field of lithium battery negative electrode processing and comprises the following components: a frame; the storage mechanism, the feeding assembly, the spaced feeding and cleaning assembly, the material receiving bin, the control module, the first motor and the second motor are arranged above the rack; the two material storage mechanisms are symmetrically arranged, the bottom ends of the two material storage mechanisms are communicated with the material receiving bin in a staggered mode, the top ends of the two material storage mechanisms are communicated with the feeding assembly in a staggered mode, and each material storage mechanism comprises a material storage bin and a feeding pipe arranged at the bottom end of the material storage bin; the feeding assembly is arranged above the two storage mechanisms, and the feeding assembly is controlled to feed materials into the two storage bins at intervals. The invention does not need the problem of stopping material conveying caused by weighing first and then conveying in the powder weighing process, and simultaneously ensures that the material receiving bin is continuously matched with the air compression equipment for feeding, thereby not only avoiding untimely material conveying caused by too fast feeding, but also avoiding the problem of material conveying stagnation caused by slow feeding.
Description
Technical Field
The invention relates to the technical field of lithium battery negative electrode processing, in particular to an airflow feeding system for lithium battery negative electrode powder particles.
Background
The pneumatic conveying technology is the most ideal powder material conveying technology at present. The anode and cathode materials of the lithium ion battery belong to micron-sized powder materials, and the production and processing processes of the lithium ion battery are similar to those of other powder materials, so that the problems of easy dust emission, low conveying efficiency, difficult turnover and the like exist. The method effectively solves the conveying problem in the production process of the anode and cathode materials of the lithium ion battery, avoids the product quality problem caused by dust raising and material pollution from the root, improves the conveying efficiency, can reduce the labor intensity, is the advantage of pneumatic conveying, has the characteristics of good fluidity, small stacking density and the like of the cathode material of the lithium ion battery, and meets the basic requirement conditions of the pneumatic conveying.
At present, when negative electrode powder particles of a lithium battery are conveyed in an air flow mode, the negative electrode powder particles are conveyed to a designated place firstly in the conveying process and then conveyed by compressed air, for example, a pneumatic conveying system shown in application number CN113233202A can also be used for conveying the negative electrode powder particles, and the pneumatic conveying system comprises a dust remover fixedly connected to a support II, a material storage part fixedly connected to the support I, a material pipe, a positive pressure sending tank fixedly connected to a support III and a power supporting part.
Disclosure of Invention
The invention aims to solve the problems that a plurality of control valves are required to be regulated and controlled simultaneously in the discharging and storing processes in the prior art, the regulation and control are complex and errors are prone to occurring, and provides an airflow feeding system for lithium battery negative electrode powder particles.
In order to achieve the purpose, the invention adopts the following technical scheme:
a airflow feeding system for negative electrode powder particles of a lithium battery comprises:
a frame;
the storage mechanism, the feeding assembly, the spaced feeding and cleaning assembly, the material receiving bin, the control module, the first motor and the second motor are arranged above the rack;
the two material storage mechanisms are symmetrically arranged, the bottom ends of the two material storage mechanisms are communicated with the material receiving bin in a staggered mode, the top ends of the two material storage mechanisms are communicated with the feeding assembly in a staggered mode, and each material storage mechanism comprises a material storage bin and a feeding pipe arranged at the bottom end of the material storage bin;
the feeding assembly is arranged above the two storage mechanisms, and the spaced feeding and cleaning assembly controls the spaced feeding to the two storage bins;
the material receiving bin is arranged below the two material storage mechanisms, the material conveying pipes of the material storage mechanisms are controlled by the spaced material conveying and clearing assembly to convey materials into the material receiving bin at intervals, the bottom end of the material receiving bin is connected with a rotary valve, a discharging port of the rotary valve is connected with an ejector, one end of the ejector is connected with air compression equipment, and the other end of the ejector is connected with an airflow conveying pipe;
the interval material conveying and cleaning assembly is arranged between the two material storage mechanisms and is controlled and adjusted by the second motor;
the first motor and the second motor are driven and controlled by the control module.
Preferably, the rack includes:
the upper bracket supports the two storage bins, and both ends of the top surface of the upper bracket are provided with first mounting holes for placing the storage bins;
the lower support and the upper support are integrally arranged and support the material receiving bin, and a second mounting hole for mounting the material receiving bin is formed in the middle of the top surface of the lower support;
the top support is fixed in the middle of the top surface of the upper support and supports the feeding assembly.
Preferably, the outer side of the first mounting hole is provided with a notch, a weight sensor is mounted in the notch, the weight sensor is controlled by the control module, and the outer side wall of the storage bin is fixedly connected with a connecting block clamped in the notch.
Preferably, the magazine mechanism further includes:
the bin cover is hermetically fixed on the top surface of the storage bin, the middle part of the bin cover is rotatably provided with a rotating rod extending into the storage bin, and the side part of the bin cover is provided with a through hole for inserting the feeding assembly;
the primary crushing assembly is arranged right below the through hole in the storage bin and is used for performing primary crushing treatment on powder particles entering the through hole, a bevel gear is connected between the primary crushing assembly and the rotating rod, and the rotating rod drives the primary crushing assembly to rotate through the bevel gear;
the secondary crushing blade is arranged below the primary crushing assembly on the outer side of the rotating rod;
and the feeding auger is arranged on the rotating rod and is close to the secondary crushing blade.
Preferably, the magazine mechanism further includes:
the electromagnetic valve is arranged at the top end of the feeding pipe and controls the feeding pipe to be opened and closed;
and the induction joint is arranged on one side of the electromagnetic valve and controls the electromagnetic valve to be opened and closed, and the induction joint is contacted with the interval material conveying and cleaning assembly and is subjected to induction transmission and controlled by the control module.
Preferably, two still be connected with drive assembly between the bull stick top of storage silo, drive assembly is by first motor drive, and drive assembly comprises four sprockets and the chain of connecting four sprockets, and wherein two sprocket insides are fixed with the sleeve pipe, and this sleeve pipe cover locates the bull stick outside, and two other sprocket insides are fixed with the axostylus axostyle, and rotate and install in the top cradle both sides, one of them axostylus axostyle is connected to first motor.
Preferably, the top end of the rotating rod is of a regular polygon structure, and the inner portion of the sleeve is matched with the top end of the rotating rod and slides on the rotating rod.
Preferably, the feeding assembly comprises:
the feeding hopper is fixed on the top surface of the top bracket, and the bottom of the feeding hopper is provided with a hole communicated with the top bracket;
the conveying pipes are arranged on two sides of the lower end of the feed hopper, one end of each conveying pipe is communicated with the feed hopper, and the other end of each conveying pipe is communicated with the storage bin;
side branch, outside both ends and the bottom mounting that are fixed in the feeder hopper are in order to support the feeder hopper on the top bracket.
Preferably, the interval material conveying and cleaning assembly comprises:
the rotating shaft is rotatably arranged on the top surface of the upper bracket, and the top end of the rotating shaft penetrates through a hole formed by the top bracket and the feed hopper;
the feeding stop block is coaxially and fixedly connected to the top end of the rotating shaft, the feeding stop block is arranged in the lower end of the feed hopper, the top surface of the feeding stop block is arc-shaped, one conveying pipe is covered by the side surface of the arc-shaped top of the feeding stop block, and the arc-shaped bottom of the feeding stop block is communicated with the other conveying pipe;
the driven gear is fixedly arranged on the outer side of the rotating shaft, is positioned below the upper bracket and is driven to rotate by the first motor and a driving gear arranged on an output shaft of the first motor;
the annular electric brush plate is fixedly arranged on the outer side of the rotating shaft, two annular grooves are formed in the top surface of the annular electric brush plate, the end parts of the two induction joints are respectively matched in the two grooves, one half of the inner wall of each groove is electrified, the other half of the inner wall of each groove is not electrified, when the storage bin feeds materials to the material receiving bin, the induction joints are in contact with the electrified part of the inner wall of each groove, the electromagnetic valve is opened, when the feed hopper feeds materials to the storage bin, the induction joints are in contact with the non-electrified part in the grooves, and the electromagnetic valve is closed;
the cleaning rod is fixedly connected to the outer side of the rotating shaft and located inside the material receiving bin, and the outer wall of the cleaning rod is matched with the inner wall of the material receiving bin.
Compared with the prior art, the invention has the following advantages:
according to the invention, by arranging two storage mechanisms and a material receiving bin and matching with the arrangement of the interval material feeding and cleaning component, when the material receiving bin is matched with an air compression device to realize air flow powder particle conveying, powder fed by the material feeding component can continuously enter the two storage mechanisms, the problem of shutdown material conveying caused by weighing first and then conveying in the powder material weighing process is avoided, and meanwhile, the material receiving bin is continuously matched with the air compression device to feed, so that the problems of untimely material conveying caused by too fast feeding and slow material conveying are avoided, the air flow conveying efficiency of the whole powder material is improved, in the process of conveying regulation and control, the control on the two storage bins can be realized by matching with the interval material feeding and cleaning component by feeding a motor, the regulation and control operation is simple, the error rate is low, in addition, under the matching of the interval material feeding and cleaning component, in the process of closing a material conveying pipe to enter the storage bins, no powder material remained in the pipe during weighing is ensured, and when the material is fed to the material receiving bin, the material storage bins is completely discharged; in addition, when the material storage mechanism is regulated and controlled by the intermittent material conveying and cleaning assembly, the inner wall of the material receiving bin can be cleaned intermittently, and powder is prevented from being adhered to the inner wall of the material receiving bin as much as possible; at last, the rotating rod and the primary crushing assembly are installed in the storage bin, the rotating rod drives the primary crushing assembly to work, and meanwhile, the secondary crushing rod on the rotating rod and the feeding auger are driven to work, so that crushing treatment on powder caking can be realized, and meanwhile, quick and convenient blanking is realized.
Drawings
Fig. 1 is a schematic structural diagram of an airflow feeding system for negative electrode powder particles of a lithium battery according to the present invention;
fig. 2 is a schematic view of another perspective structure of a gas flow feeding system for negative electrode powder particles of a lithium battery according to the present invention;
fig. 3 is a schematic structural diagram of a material storage mechanism of an airflow feeding system for negative electrode powder particles of a lithium battery provided by the invention;
FIG. 4 is a schematic diagram of a frame structure of an airflow feeding system for negative powder particles of a lithium battery provided by the invention;
fig. 5 is a sectional view of a material storage mechanism of the airflow feeding system for the negative electrode powder particles of the lithium battery provided by the invention;
fig. 6 is a schematic structural diagram of a feeding assembly of a pneumatic feeding system for negative electrode powder particles of a lithium battery according to the present invention;
fig. 7 is a schematic structural diagram of an interval material feeding and cleaning assembly of the airflow feeding system for lithium battery negative electrode powder particles, which is provided by the invention;
FIG. 8 is a cross-sectional view of the feeding assembly of the air feeding system for negative electrode powder particles of lithium batteries according to the present invention when the material feeding assembly is inserted into the feeding assembly;
fig. 9 is a cross-sectional view of an interval material feeding and cleaning component of the airflow feeding system for negative electrode powder particles of a lithium battery provided by the invention when the interval material feeding and cleaning component extends into a receiving bin;
FIG. 10 is a top view of an annular brush plate of an airflow feeding system for negative powder particles of a lithium battery according to the present invention;
fig. 11 is a top view of an annular brush plate of the airflow feeding system for negative electrode powder particles of a lithium battery provided by the invention after rotating 180 °.
In the figure: 1. a frame; 2. a material storage mechanism; 3. a feed assembly; 4. a transmission assembly; 5. a first motor; 6. a second motor; 7. the material conveying and clearing assemblies are arranged at intervals; 8. a material receiving bin; 9. rotating the valve; 10. an ejector; 11. an air flow delivery pipe; 12. an air compression device; 101. a lower bracket; 102. an upper bracket; 103. a top support; 104. a first mounting hole; 105. a second mounting hole; 21. a storage bin; 22. a bin cover; 23. a rotating rod; 24. a feed pipe; 25. an electromagnetic valve; 26. an inductive coupling; 27. a preliminary crushing assembly; 28. secondarily crushing the leaves; 29. a feeding auger; 31. a feed hopper; 32. a side strut; 33. a delivery pipe; 71. a rotating shaft; 72. a feeding stop block; 73. an annular brush plate; 74. a driven gear; 75. and cleaning the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 3, a pneumatic feeding system for negative electrode powder particles of a lithium battery includes: a frame 1; the device comprises a storage mechanism 2, a feeding assembly 3, an interval material conveying and cleaning assembly 7, a material receiving bin 8, a control module, a first motor 5 and a second motor 6, wherein the storage mechanism 2, the feeding assembly 3, the interval material conveying and cleaning assembly 7, the material receiving bin, the control module, the first motor 5 and the second motor 6 are arranged above a rack 1; the control module can refer to a single chip microcomputer controller and is arranged on the rack 1, two storage mechanisms 2 are symmetrically arranged, the bottom ends of the two storage mechanisms 2 are communicated with the material receiving bin 8 in a staggered mode, namely are not communicated simultaneously, the top ends of the two storage mechanisms 2 are communicated with the feeding assembly 3 in a staggered mode, and each storage mechanism 2 comprises a storage bin 21 and a feeding pipe 24 arranged at the bottom end of the storage bin 21. The feeding assembly 3 is arranged above the two storage mechanisms 2, and is controlled by the interval feeding and cleaning assembly 7 to feed materials into the two storage bins 21 at intervals. The material receiving bin 8 is arranged below the two material storing mechanisms 2, the material conveying pipe 24 of the material storing mechanisms 2 is controlled by the material conveying and clearing component 7 to convey materials into the material receiving bin 8 at intervals, the bottom end of the material receiving bin 8 is connected with a rotary valve 9, a discharge port of the rotary valve 9 is connected with an ejector 10, one end of the ejector 10 is connected with an air compression device 12, the other end of the ejector 10 is connected with an air flow conveying pipe 11, and the control compression device 12 can adopt a Roots blower and is used for conveying compressed air to convey powder particles from the ejector 10 into the air flow conveying pipe 11; the interval material conveying and cleaning assembly 7 is arranged between the two material storage mechanisms 2, and the interval material conveying and cleaning assembly 7 is controlled and regulated by the second motor 6; the first motor 5 and the second motor 6 are driven and controlled by the control module, the first motor 5 and the second motor 6 are electrically connected with the control module, and the first motor 5 and the second motor 6 are fixed on the rack 1.
Referring to fig. 2 to 4, the rack 1 includes: the upper bracket 102, the upper bracket 102 supports two storage bins 21, both ends of the top surface of the upper bracket 102 are provided with first mounting holes 104 for placing the storage bins 21, and the two first mounting holes 104 are symmetrically arranged on the upper bracket 102; the lower bracket 101, the lower bracket 101 and the upper bracket 102 are integrally arranged and support the receiving bin 8, the middle of the top surface of the lower bracket 101 is provided with a second mounting hole 105 for mounting the receiving bin 8; and the top bracket 103 is fixed in the middle of the top surface of the upper bracket 102, and supports the feeding assembly 3 to ensure the stability of the feeding assembly 3.
The outside of first mounting hole 104 is equipped with the breach to installation weighing sensor in the breach, this weighing sensor is controlled by control module, and the lateral wall fixedly connected with card of storage silo 21 is at the intraoral connecting block of breach, and then at storage silo 21 installation back, weighing sensor responds to the weight of storage silo 21 in real time, and after zero calibration, can real-time supervision get into the weight of the powder behind the storage silo 21.
Referring to fig. 3 and 5, the magazine 2 further includes: storehouse lid 22, storehouse lid 22 is sealed to be fixed in the top surface of storage silo 21, and the outer hourglass of powder is avoided in sealed setting, and the middle part of storehouse lid 22 is rotated and is installed the bull stick 23 that stretches into in the storage silo 21, and the bull stick 23 passes through the bearing to be fixed on storehouse lid 22, makes bull stick 23 and storehouse lid 22, storage silo 21 be a whole, and the lateral part of storehouse lid 22 is opened has the through-hole that supplies feed assembly 3 to insert, and the powder gets into in the storage silo 21 from the through-hole.
Referring to fig. 5, the magazine mechanism 2 further includes: preliminary crushing assembly 27, preliminary crushing assembly 27 is arranged right below the through hole in the storage bin 21, preliminary crushing assembly 27 is composed of a crushing shaft and a crushing rod, wherein the crushing shaft is perpendicular to the rotating rod 23 and is rotatably installed in the inner wall of the storage bin 21, the preliminary crushing assembly 27 performs preliminary crushing treatment on powder particles entering through holes, a bevel gear is connected between the preliminary crushing assembly 27 and the rotating rod 23, and the rotating rod 23 drives the preliminary crushing assembly 27 to rotate due to the meshing of the two bevel gears; the secondary crushing blade 28 is arranged below the primary crushing assembly 27 on the outer side of the rotating rod 23, and is used for crushing the powder after primary crushing again; the feeding auger 29 is arranged on the rotating rod 23 and is close to the secondary crushing blade 28, and the feeding auger 29 can be matched with the rapid discharging of the powder when the storage bin 21 stores the material.
The storing mechanism 2 further includes: the electromagnetic valve 25 is arranged at the top end of the feeding pipe 24 and controls the feeding pipe 24 to be opened and closed, so that the feeding and the storage of powder are realized; and the induction joint 26 is arranged on one side of the electromagnetic valve 25 and controls the electromagnetic valve 25 to be opened and closed, and the induction joint 26 is contacted with the interval material conveying and cleaning assembly 7 and is subjected to induction transmission and is controlled by the control module, namely the control module controls the electromagnetic valve to be opened and closed.
Referring to fig. 1-2 and 5, in order to realize the synchronous rotation of the rotating rods 23 in the two storage bins 21 and driven by one driving source, a transmission assembly 4 is connected between the top ends of the rotating rods 23 of the two storage bins 21, the transmission assembly 4 is driven by a first motor 5, and the transmission assembly 4 is composed of four chain wheels and a chain connected with the four chain wheels, or a belt and a belt pulley, the bottom end of each chain wheel is provided with a baffle for supporting the chain when rotating, so as to prevent the chain from falling off due to gravity, meanwhile, sleeves are fixed inside the two chain wheels, and are sleeved outside the rotating rods 23, shaft rods are fixed inside the other two chain wheels, and are rotatably installed on two sides of the top bracket 103, the first motor 5 is connected with one shaft rod, the first motor 5 is fixed on the side surface of the top bracket 103, and drives the chain wheels on the shaft rod to rotate when the first motor 5 rotates, that is, i.e., the chain drives the synchronous rotation of the other three chain wheels. The top of bull stick 23 is regular polygon structure, sheathed tube inside and 23 top adaptations of bull stick to slide on bull stick 23, when realizing that the sleeve pipe follows the sprocket rotation, can drive the rotation of bull stick 23, and the sleeve pipe is supported by top bracket 103, can avoid sleeve pipe and sprocket to press weight on storage silo 21.
Referring to fig. 6, the feeding assembly 3 includes: the feed hopper 31 is fixed on the top surface of the top bracket 103, the bottom of the feed hopper 31 and the top bracket 103 are provided with through holes, the upper end of the feed hopper 31 is trumpet-shaped, and the lower end of the feed hopper 31 is cylindrical; the material conveying pipes 33 are arranged on two sides of the lower end of the feed hopper 31, one end of each material conveying pipe is communicated with the feed hopper 31, and the other end of each material conveying pipe is communicated with the storage bin 21; the side branch 32, fixed and the outside both ends and the bottom mounting of feeder hopper 31 are in order to support feeder hopper 31 on top bracket 103, guarantee feeder hopper 31's stability.
Referring to fig. 7-9, the intermittent material feeding and cleaning assembly 7 includes: the rotating shaft 71 is rotatably arranged on the top surface of the upper bracket 102 and is mainly arranged through a bearing so as to ensure that the position of the rotating shaft 71 is unchanged, and the top end of the rotating shaft 71 penetrates through a hole formed by the top bracket 103 and the feed hopper 31 and then enters the lower end of the feed hopper 31; the feeding stop block 72 is coaxially and fixedly connected to the top end of the rotating shaft 71, the feeding stop block 72 is arranged in the lower end of the feed hopper 31, the top surface of the feeding stop block 72 is arc-shaped, the side surface of the arc-shaped top of the feeding stop block 72 covers one feed delivery pipe 33, the arc-shaped bottom of the feeding stop block 72 is communicated with the other feed delivery pipe 33, and when the feeding stop block 72 rotates 180 degrees, one feed delivery pipe 33 can be opened, and the other feed delivery pipe can be closed again; the driven gear 74 is fixedly arranged on the outer side of the rotating shaft 71 and positioned below the upper bracket 102, and is driven to rotate by the second motor 6 and a driving gear arranged on an output shaft of the second motor 6, so that the second motor 6 drives the rotating shaft 71 to rotate; an annular brush plate 73 fixedly installed outside the rotating shaft 71, the top surface of the annular brush plate 73 is provided with two annular grooves, the end parts of the two induction joints 26 are respectively fitted in the two grooves, and one half of the inner wall of the groove is electrified, and the other half of the inner wall of the groove is not electrified, when the storage bin 21 feeds materials to the material receiving bin 8, the induction joints 26 are contacted with the electrified part of the inner wall of the groove, the electromagnetic valve 25 is opened, when the feed hopper 31 feeds materials to the storage bin 21, the induction joints 26 are contacted with the non-electrified part of the inner part of the groove, the electromagnetic valve 25 is closed, as shown in fig. 10, the shaded part is an electrified contact part, the end part of one induction joint 26 is initially contacted with the shaded part of one groove, the end part of the other induction joint 26 is contacted with the shaded part of the other groove, and the annular brush plate becomes fig. 11 after rotating 180 degrees;
The working principle is as follows: when using the air current to feed, firstly leading the powder into the feed hopper 31, the powder enters the storage bin 21 of a storage mechanism 2 in the feed hopper 31 through the feed delivery pipe 33, and simultaneously starting the first motor 5 to work, under the action of the first motor 5 and the transmission component 4, the rotating rod 23 is driven to rotate, the rotating rod 23 rotates to drive the primary crushing component 27 to rotate by the bevel gear, the primary crushing is carried out on the powder caking part entering the storage bin 21, simultaneously the rotating rod 23 rotates to drive the secondary crushing blade 28 and the feeding auger 29 to rotate, the powder is subjected to secondary crushing and matched with powder discharging, the weight sensor on the rack 1 senses the weight change of the storage bin 21 entering the powder in real time, when the weight reaches the standard, the control module starts to control the second motor 6 to rotate, the second motor 6 rotates to drive the rotating shaft 71 to rotate by the driving gear and the driven gear 74, so that the rotating shaft 71 rotates 180 degrees, when the rotating shaft 71 rotates, the feeding block 72 is firstly driven to rotate, the feeding block 72 rotates, the feeding pipe 33 connected with the storage bin 21 which has reached the standard is closed, the other feeding pipe 33 is opened, in the process of opening and closing the feeding pipe 33, the rotating shaft 71 also drives the annular electric brush plate 73 to rotate 180 degrees, the annular electric brush plate 73 rotates, the contact position of the two induction joints 26 and the inner groove of the annular electric brush plate 73 begins to change, the state in figure 10 gradually changes into the state in figure 11, the induction joint 26 below the storage bin 21 which has reached the standard at the moment contacts with the electrified part of the inner wall of the groove after rotating 180 degrees, after the contact, the control module opens the electromagnetic valve 25, and after recording the weight of the storage bin 21 which is opened, the powder is conveyed to the receiving bin 8, the other induction joint 26 does not contact with the electrified part of the inner wall of the groove after rotating 180 degrees, after the contact, the control module closes the electromagnetic valve 25, and the upper material conveying pipe 33 begins to convey materials into the storage bin 21 gradually;
in the process that the rotating shaft 71 rotates 180 degrees, the rotating shaft 71 also drives the cleaning rod 75 to rotate 180 degrees, the cleaning rod 75 rotates 180 degrees, and the inner wall of the butt joint bin 8 is cleaned 180 degrees;
and finally, the powder in the material receiving bin 8 starts to convey materials to an airflow conveying pipe 11 under the opening of a rotary valve 9 and by matching with an air compression device 12 and an ejector 10, so that the airflow conveying of the powder particles is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. A pneumatic feeding system for negative electrode powder particles of a lithium battery is characterized by comprising:
a frame (1);
the material storage mechanism (2), the feeding assembly (3), the interval material conveying and cleaning assembly (7), the material receiving bin (8), the control module, the first motor (5) and the second motor (6) are arranged above the rack (1);
the two material storage mechanisms (2) are symmetrically arranged, the bottom ends of the two material storage mechanisms (2) are communicated with the material receiving bin (8) in a staggered mode, the top ends of the two material storage mechanisms (2) are communicated with the feeding assembly (3) in a staggered mode, and each material storage mechanism (2) comprises a material storage bin (21) and a feeding pipe (24) arranged at the bottom end of the material storage bin (21);
the feeding assembly (3) is arranged above the two storage mechanisms (2), and the feeding assembly (7) controls the feeding to the two storage bins (21) at intervals;
the material receiving bin (8) is arranged below the two material storing mechanisms (2), and the material conveying pipes (24) of the material storing mechanisms (2) are controlled by the material conveying and clearing components (7) at intervals to convey materials into the material receiving bin (8);
the interval material conveying and cleaning assembly (7) is arranged between the two material storage mechanisms (2), and the interval material conveying and cleaning assembly (7) is controlled and adjusted by the second motor (6);
the first motor (5) and the second motor (6) are driven and controlled by the control module.
2. A gas flow feed system for negative electrode powder particles for lithium batteries according to claim 1, wherein the frame (1) comprises:
the upper bracket (102), the upper bracket (102) supports the two storage bins (21), and both ends of the top surface of the upper bracket (102) are provided with first mounting holes (104) for placing the storage bins (21);
the lower support (101) and the upper support (102) are integrally arranged and support the material receiving bin (8), and a second mounting hole (105) for mounting the material receiving bin (8) is formed in the middle of the top surface of the lower support (101);
a top bracket (103), wherein the top bracket (103) is fixed in the middle of the top surface of the upper bracket (102) and supports the feeding assembly (3).
3. The airflow feeding system for negative electrode powder particles of lithium batteries as claimed in claim 2, wherein a gap is formed outside the first mounting hole (104), a weight sensor is mounted in the gap and controlled by the control module, and a connecting block clamped in the gap is fixedly connected to the outer side wall of the storage bin (21).
4. The airflow feeding system for negative electrode powder particles of lithium batteries as claimed in claim 2, wherein said storage mechanism (2) further comprises:
the bin cover (22), the bin cover (22) is fixed on the top surface of the storage bin (21) in a sealing mode, the middle of the bin cover (22) is rotatably provided with a rotating rod (23) extending into the storage bin (21), and the side part of the bin cover (22) is provided with a through hole for inserting the feeding assembly (3);
the primary crushing assembly (27) is arranged right below the through hole in the storage bin (21), a bevel gear is connected between the primary crushing assembly (27) and the rotating rod (23), and the rotating rod (23) drives the primary crushing assembly (27) to rotate through the bevel gear;
the secondary crushing blade (28), the secondary crushing blade (28) is arranged below the primary crushing assembly (27) on the outer side of the rotating rod (23);
and the feeding auger (29) is arranged on the rotating rod (23) and is close to the secondary crushing blade (28).
5. The airflow feeding system for negative electrode powder particles of lithium batteries as claimed in claim 4, wherein said storage mechanism (2) further comprises:
an electromagnetic valve (25) which is installed at the top end of the feeding pipe (24) and controls the opening and closing of the feeding pipe (24);
and the induction joint (26) is arranged on one side of the electromagnetic valve (25) and controls the electromagnetic valve (25) to be opened and closed, and the induction joint (26) is contacted with the interval material conveying and cleaning assembly (7) and is in induction transmission and is controlled by the control module.
6. The airflow feeding system for the negative electrode powder particles of the lithium battery as claimed in claim 5, wherein a transmission assembly (4) is further connected between the top ends of the rotating rods (23) of the two storage bins (21), the transmission assembly (4) is driven by a first motor (5), the transmission assembly (4) is composed of four chain wheels and chains connected with the four chain wheels, sleeves are fixed inside the two chain wheels and sleeved outside the rotating rods (23), shaft rods are fixed inside the other two chain wheels and rotatably installed on two sides of the top bracket (103), and the first motor (5) is connected with one of the shaft rods.
7. The airflow feeding system for negative electrode powder particles of lithium batteries as claimed in claim 6, wherein the top end of said rotating rod (23) is in a regular polygon structure, and the interior of said sleeve is fitted with the top end of said rotating rod (23) and slides on said rotating rod (23).
8. A airflow feed system for negative electrode powder particles of lithium batteries according to claim 7, characterized in that said feed assembly (3) comprises:
the feed hopper (31) is fixed on the top surface of the top bracket (103), and a through hole is formed in the bottom of the feed hopper (31) and the top bracket (103);
the material conveying pipes (33) are arranged on two sides of the lower end of the feed hopper (31), one end of each material conveying pipe is communicated with the feed hopper (31), and the other end of each material conveying pipe is communicated with the storage bin (21);
and the side supporting rods (32) are fixed at two ends of the outer side of the feed hopper (31) and the bottom ends of the side supporting rods are fixed on the top bracket (103) to support the feed hopper (31).
9. A gas flow feed system for negative electrode powder particles of lithium batteries as claimed in claim 8, wherein said intermittent feed assembly (7) comprises:
the rotating shaft (71), the rotating shaft (71) is rotatably mounted on the top surface of the upper bracket (102), and the top end of the rotating shaft (71) penetrates through a hole formed by the top bracket (103) and the feed hopper (31) in a penetrating manner;
the feeding stop block (72) is coaxially and fixedly connected to the top end of the rotating shaft (71), the feeding stop block (72) is arranged in the lower end of the feed hopper (31), the top surface of the feeding stop block (72) is arc-shaped, the side surface of the arc-shaped top of the feeding stop block (72) covers one feed conveying pipe (33), and the arc-shaped bottom is communicated with the other feed conveying pipe (33);
a driven gear (74) which is fixedly arranged on the outer side of the rotating shaft (71), is positioned below the upper bracket (102) and is driven to rotate by the first motor (5) and a driving gear arranged on an output shaft of the first motor (5);
the annular electric brush plate (73) is fixedly installed on the outer side of the rotating shaft (71), two annular grooves are formed in the top surface of the annular electric brush plate (73), the end portions of the two induction joints (26) are respectively matched in the two grooves, one half of the inner wall of each groove is electrified, the other half of the inner wall of each groove is not electrified, when the storage bin (21) feeds materials to the material receiving bin (8), the induction joints (26) are in contact with the electrified portions of the inner wall of each groove, the electromagnetic valve (25) is opened, when the feed hopper (31) feeds materials to the storage bin (21), the induction joints (26) are in contact with the non-electrified portions in the grooves, and the electromagnetic valve (25) is closed;
and the cleaning rod (75) is fixedly connected to the outer side of the rotating shaft (71) and is positioned inside the material receiving bin (8), and the outer wall of the cleaning rod (75) is matched with the inner wall of the material receiving bin (8).
10. The airflow feeding system for negative electrode powder particles of lithium batteries according to claim 9, wherein the bottom end of the material receiving bin (8) is connected with a rotary valve (9), the outlet of the rotary valve (9) is connected with an ejector (10), one end of the ejector (10) is connected with an air compression device (12), and the other end of the ejector is connected with an airflow conveying pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211687113.4A CN115838080A (en) | 2022-12-27 | 2022-12-27 | Airflow feeding system for negative powder particles of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211687113.4A CN115838080A (en) | 2022-12-27 | 2022-12-27 | Airflow feeding system for negative powder particles of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115838080A true CN115838080A (en) | 2023-03-24 |
Family
ID=85579328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211687113.4A Pending CN115838080A (en) | 2022-12-27 | 2022-12-27 | Airflow feeding system for negative powder particles of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115838080A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117602382A (en) * | 2024-01-23 | 2024-02-27 | 山东引持环保设备有限公司 | Negative pressure type pneumatic conveying rotary feeder |
-
2022
- 2022-12-27 CN CN202211687113.4A patent/CN115838080A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117602382A (en) * | 2024-01-23 | 2024-02-27 | 山东引持环保设备有限公司 | Negative pressure type pneumatic conveying rotary feeder |
| CN117602382B (en) * | 2024-01-23 | 2024-03-26 | 山东引持环保设备有限公司 | Negative pressure type pneumatic conveying rotary feeder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115838080A (en) | Airflow feeding system for negative powder particles of lithium battery | |
| CN114313926B (en) | Material discharging vibration disc equipment convenient for efficient grabbing of manipulator | |
| CN113002823A (en) | Loading mechanism of reagent kit for nephrology department medicament | |
| CN212892321U (en) | Screw conveyer for feed processing | |
| CN213506909U (en) | Dispersion devices that stem cell gathered | |
| CN208739839U (en) | A kind of animal and veterinary feeder | |
| CN210545384U (en) | Waste treatment device of vegetable film wrapping machine | |
| CN218393905U (en) | Anti-blocking device of spiral conveyor | |
| CN220567784U (en) | Grain drying tower grain discharging device | |
| CN220998364U (en) | Centralized feeding device for gas delivery | |
| CN217894512U (en) | Combined automatic feeding and feeding station | |
| CN213848256U (en) | Automatic feeding system of bait casting machine | |
| CN219525227U (en) | Feed screw conveyer shield | |
| CN219602716U (en) | Process device for preparing storage bin | |
| CN220277465U (en) | A clout recovery unit for lead plaster is retrieved on smear machine | |
| CN213657436U (en) | Paint raw material drying device | |
| CN217417031U (en) | Welding wire loading attachment | |
| CN219238310U (en) | Tilting feeding device | |
| CN214933342U (en) | Concrete conveyer | |
| CN220200741U (en) | Electrolyte anti-blocking conveying device for aluminum | |
| CN220519512U (en) | Pneumatic conveying pump capable of avoiding blockage | |
| CN217836946U (en) | A unloader for spring clamp processing | |
| CN220333199U (en) | Automatic filling machine for chemical liquid material | |
| CN217577094U (en) | A loading attachment for capsule | |
| CN115504254B (en) | Airflow conveyor for lithium battery negative electrode powder particles and working method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: F10, Block C, Tianrun Science and Technology Building, Changzhou Science and Education City, No. 18, Middle Changwu Road, Wujin District, Changzhou City, Jiangsu Province, 213100 Applicant after: Jiangsu Daojin Intelligent Manufacturing Technology Co.,Ltd. Address before: F10, Block C, Tianrun Science and Technology Building, Changzhou Science and Education City, No. 18, Middle Changwu Road, Wujin District, Changzhou City, Jiangsu Province, 213100 Applicant before: Jiangsu Daojin Zhineng Equipment Co.,Ltd. |