CN213544088U - Lithium battery pole piece scraping and sampling device - Google Patents
Lithium battery pole piece scraping and sampling device Download PDFInfo
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- CN213544088U CN213544088U CN202121198387.8U CN202121198387U CN213544088U CN 213544088 U CN213544088 U CN 213544088U CN 202121198387 U CN202121198387 U CN 202121198387U CN 213544088 U CN213544088 U CN 213544088U
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Abstract
The utility model discloses a lithium battery pole piece scraping and sampling device, which relates to the technical field of lithium batteries and comprises a base, an upper frame body, a material collector and a movable shaft system, wherein the upper frame body is rotationally connected with the base through a connecting shaft, and one side of the upper frame body, which is far away from the connecting shaft, is provided with a lock so as to realize the locking of the lithium battery pole piece after the upper frame body is attached to the base and form a sampling area between the upper frame body and the base after the locking; the loading head is connected with last framework through removing the axle system, so that the loading head can freely remove in the sampling area, the loading head is including scraping material mechanism and air exhaust mechanism, in order to be used for scraping the material sample to the regional lithium-ion battery pole piece of sampling, through implementing this technical scheme, can effectively solve current manual work and scrape the technical problem that the sampling efficiency is low and the error is big, improve lithium-ion battery pole piece and scrape the work efficiency of material sample, reduce the error that manual operation caused simultaneously, promote lithium-ion battery failure analysis's the degree of accuracy.
Description
Technical Field
The utility model relates to a lithium cell technical field, specifically say, relate to a lithium battery pole piece scrapes material sampling device.
Background
With the increasingly wide application of lithium batteries in production and life, the failure analysis work of the lithium batteries is more and more important. In the failure analysis process of the lithium battery, active substances at specific positions of a lithium battery pole piece need to be scraped for material analysis and characterization, or one surface of the active substance is reserved and the active substances on the other surface of the active substance are removed to prepare the button cell, which is a very important link.
In the prior art, the scraping of the lithium battery pole piece usually adopts a manual scraping mode, and the scraping is performed by using hard materials or a solvent, and the scraping mode of the lithium battery pole piece at least has the following defects: on one hand, the efficiency of manual scraping operation is very low, and a large amount of manpower is consumed; on the other hand, the defects of poor sampling repeatability, easy pollution and damage to the pole piece of the lithium battery and the like exist. Therefore, the technical personnel in the field are urgently needed to research and design the sampling device for scraping the materials of the lithium battery pole piece, so that the working efficiency of scraping and sampling the materials of the lithium battery pole piece is improved, the labor intensity of workers is reduced, errors caused by manual operation are reduced, the accuracy of battery failure analysis is further improved, and the sampling device has important research significance on the lithium battery failure analysis.
SUMMERY OF THE UTILITY MODEL
To the technical problem, an object of the utility model is to provide a lithium-ion battery pole piece scrapes material sampling device aims at solving current artifical material sampling inefficiency of scraping and the big technical problem of error, can improve lithium-ion battery pole piece and scrape the work efficiency of material sample, reduces the error that manual operation caused simultaneously, promotes lithium-ion battery failure analysis's the degree of accuracy.
The utility model adopts the technical scheme as follows:
lithium battery pole piece scrapes material sampling device, sampling device includes
The device comprises a base, wherein a connecting shaft is arranged on one side of the base;
the upper frame body is rotatably connected with the base through the connecting shaft, a lock is arranged on one side of the upper frame body, which is far away from the connecting shaft, and the lock is used for locking the lithium battery pole piece after the upper frame body is attached to the base, so that a sampling area is formed between the upper frame body and the base after the lock is locked;
the collector is arranged on the upper frame body and comprises a scraping mechanism and an air exhaust mechanism, and the collector is used for scraping and sampling the lithium battery pole pieces in the sampling area;
and the material collector is connected with the upper frame body through the moving shaft system so as to enable the material collector to freely move in the sampling area.
The working principle of the sampling device in the technical scheme is as follows: according to the technical scheme, the upper frame body and the base form a locking structure convenient to open and close aiming at the structural form of the lithium battery pole piece, and after the placement of a lithium battery pole piece sample is completed and the locking structure is locked, a sampling area is formed between the upper frame body and the base; then the material collector is moved through the moving shaft system, the material collector is accurately moved to a sampling area, and automatic scraping and sampling are carried out; the scraping mechanism and the air exhaust mechanism are simultaneously opened in the scraping and sampling process, active substances in a region to be sampled are completely collected, and sampling is completed, so that accurate scraping and sampling are realized, and the operation is quick and convenient; the technical problems of low sampling efficiency and large error caused by manual scraping sampling are avoided, the working efficiency of scraping sampling of the lithium battery pole piece can be effectively improved, meanwhile, the error caused by manual operation is reduced, and the accuracy of failure analysis of the lithium battery is improved.
Preferably, the moving shaft system comprises an X-axis moving assembly, a Y-axis moving assembly and a Z-axis moving assembly, so that the collector can move freely in the X-axis direction, the Y-axis direction and the Z-axis direction in the sampling area; the technical scheme is that a moving shaft system formed by the X-axis moving assembly, the Y-axis moving assembly and the Z-axis moving assembly is a three-dimensional moving system, and after the lithium battery pole pieces are positioned and locked, the collector can be conveniently moved to a sampling area to flexibly complete active material collection, so that the collector has a large moving and adjusting space in the sampling area, and the technical problem of incomplete intercepting of lithium battery pole piece samples is avoided.
Preferably, the Y-axis moving assembly includes limiting slide rails installed on two opposite sides of the top of the upper frame, a slider adapted to the limiting slide rails, and a Y-axis driving component, and the limiting slide rails extend along the Y-axis direction; the material collector is mounted on the sliding block through the X-axis moving assembly and the Z-axis moving assembly, and the Y-axis driving part can drive the sliding block to move along the limiting sliding rail so as to drive the material collector to move along the Y-axis direction; the Y-axis moving assembly is simple in structure and convenient and fast to move.
Furthermore, a limiting slide rail on one side of the upper frame body is provided with a positioning flange arranged along the extending direction of the limiting slide rail, two sides of the positioning flange are respectively provided with a positioning step, a slide block corresponding to the limiting slide rail is of a U-shaped structure, and two ends of the U-shaped structure are respectively provided with a positioning wheel and enable the positioning wheels to respectively extend to the two positioning steps so as to realize the positioning sliding fit of the slide block and the limiting slide rail; the limiting slide rail on the other side of the upper frame body is provided with a groove along the extending direction of the limiting slide rail, and the bottom of the sliding block corresponding to the limiting slide rail is provided with a roller matched with the groove, so that the sliding blocks on two sides of the upper frame body can slide along the limiting slide rail in a positioning manner.
Preferably, in the above technical solution, the Y-axis driving part includes a Y-axis motor mounted on the slider and a rubber ring coaxially connected to an output shaft of the Y-axis motor, so that the rubber ring is tightly attached to the limit slide rail; this technical scheme relies on Y axle motor drive rubber ring to rotate, and there is frictional force in the spacing slide rail that the rubber ring hugged closely rather than, and then orders about the slider of installation Y axle motor and move on spacing slide rail, and this Y axle drive unit can enough realize conveniently that the electric drive loading head removes along Y axle direction, also can realize conveniently that manual drive loading head removes in Y axle direction, and each part cooperation of structure is compact, removes more stably.
The Y-axis motor in the technical scheme is a motor for driving the sliding block to move along the Y-axis direction.
Preferably, in the above technical solution, the X-axis moving assembly includes an X-axis mounting bracket disposed on the slider, a screw rod and a transmission rod mounted on the X-axis mounting bracket, and an X-axis driving component, and the screw rod extends along the X-axis direction; the material collector is sleeved on the screw rod through the Z-axis moving assembly, and the X-axis driving part can drive the screw rod to rotate so as to drive the material collector to move along the X-axis direction; preferably, a transmission rod is respectively arranged on two sides of the screw, and the material collector can stably move in the X-axis direction in the process that the X-axis driving part drives the screw to rotate; in addition, the X-axis moving assembly has a self-locking function after the collector is moved and adjusted in the sampling area, so that unstable displacement in the scraping and sampling process is avoided, the sampling error is reduced, and the accuracy of battery failure analysis is improved.
Preferably, in the above technical solution, the X-axis driving part is an X-axis motor; so the X-axis moving assembly is simple in structure, convenient to assemble, disassemble and repair and parts to be replaced, and capable of sampling on line, and different sampling requirements of different lithium battery pole pieces are met.
The X-axis motor in the technical scheme is a motor for driving the material collector to move along the X-axis direction.
Preferably, in the above technical solution, the Z-axis moving assembly includes a moving block sleeved on the screw and the transmission rod, and a Z-axis driving part disposed on the moving block, wherein the moving block is in threaded connection with the screw, the moving block is in sliding fit with the transmission rod, and an output end of the Z-axis driving part is connected with the scraping mechanism so as to drive the scraping mechanism to move along the Z-axis direction; so can adjust the collection degree of depth of loading head in Z axle direction according to the sampling needs of different lithium-ion battery pole pieces, and then satisfy different sampling demands, this structural design is simple but ingenious reasonable.
Preferably, in the above technical solution, the Z-axis driving component is an electric push rod, and the scraping mechanism includes an L-shaped stopper connected to an output end of the electric push rod, a driving motor mounted on the L-shaped stopper, and an electric scraper connected to an output end of the driving motor; this technical scheme L type dog's design purpose on the one hand can be convenient for install driving motor and electronic scraper, and on the other hand can block to scrape material in-process active material toward dispersion all around, and L type dog opening is also convenient for concentrate the active material of collecting in the sampling area towards air exhaust mechanism, better completion sample.
Preferably, in the above technical solution, the air pumping mechanism includes a material storage cavity, an air pump, a filter screen and an air suction pipe communicated with the material storage cavity, the air suction pipe is arranged in the moving block and can extend to a sampling end close to the scraping mechanism, and the air pump is separated from the material storage cavity by the filter screen; this technical scheme loading head adopts scraper mechanism and the design of mechanism integrated form of bleeding, can be at the powder sample of scraping the material in-process and collecting lithium battery pole piece through the mechanism of bleeding, utilizes aspiration pump and breathing pipe to collect the powder sample of sample end to the stock chamber, and the filter screen is convenient for save the powder sample in the stock chamber, avoids introducing in the aspiration pump.
Preferably, in the technical scheme, a fixing edge for fixing the lithium battery pole piece is arranged at the bottom of the upper frame body, the fixing edge comprises an upper metal layer and a lower silica gel layer, the metal layer is detachably and fixedly connected with the upper frame body, and the metal layer is detachably and fixedly connected with the silica gel layer; this technical scheme goes up the fixed lithium-ion battery pole piece of design aim at centre gripping on the fixed limit of framework bottom, and detachable fixed connection is realized with last framework in order to realize through threaded connection spare on its upper metal limit, is convenient for dismantle fast according to the difference of sample and change fixed limit, and lower floor's silica gel layer is soft/flexible can be good, can be stable and avoid producing wearing and tearing to lithium-ion battery pole piece centre gripping, further promotes the degree of accuracy of lithium-ion battery failure analysis.
The utility model discloses following beneficial effect has at least:
1. the utility model discloses the sampling device simple structure adopts the upper frame body of rotation connection and base to combine the shutting to realize lithium-ion battery pole piece location locking, can be adapted to different lithium-ion battery pole pieces location sample, and can just can accomplish the removal of sampling device through artifical removal base, be convenient for operating personnel's carrying and placing; simultaneously, the fixed edge arranged at the bottom of the upper frame body can stably clamp the lithium battery pole piece, abrasion to the lithium battery pole piece is avoided, and the sampling accuracy is improved.
2. The utility model discloses sampling device removes the subassembly by the X axle, the removal axle system that subassembly and Z axle removal subassembly constitute is three-dimensional moving system is removed to the sample area to the Y axle removal subassembly, can accurately remove the loading head to the sample area conveniently, realize accomplishing the active material collection in a flexible way, and then make the loading head have great removal adjustment space in the sample area, can realize accurate quick sample, thereby sampling efficiency is high, the operation is simpler, and avoid having the incomplete technical problem of intercepting lithium-ion battery pole piece sample.
3. The utility model discloses sampling device removes the tripper through X axle removal subassembly and Y axle removal subassembly and removes to the sampling region back, can utilize Z axle removal subassembly to adjust the collection degree of depth of tripper on Z axle side according to different lithium battery pole piece's sampling needs, and then satisfy different sampling demands, realize accomplishing the sample automatically, can improve lithium battery pole piece and scrape the work efficiency of material sample, reduce the error that manual operation caused simultaneously, promote lithium battery failure analysis's the degree of accuracy, this structural design is simple but ingenious reasonable.
4. The utility model discloses the material collecting device adopts scraper mechanism and the integrated form design of mechanism of bleeding, can be scraping the powder sample that the material in-process was collected lithium battery pole piece through mechanism of bleeding, avoids scraping the material in-process active material toward dispersion all around, is convenient for concentrate the active material of collecting in the sampling region simultaneously, realizes accurate quick sample, possesses fine application prospect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive efforts.
Fig. 1 shows an axonometric view of a scraping and sampling device for lithium battery pole pieces in an embodiment of the invention;
fig. 2 shows a front view of a closed state of a sampling device in an embodiment of the present invention;
fig. 3 shows a top view of a closed state of a sampling device in an embodiment of the present invention;
FIG. 4 is a schematic diagram of a closed state side of a sampling device according to an embodiment of the present invention;
FIG. 5 is a schematic view of the other side of the closed state of the sampling device in an embodiment of the present invention;
fig. 6 shows a schematic diagram of a collector in an embodiment of the present invention;
fig. 7 shows a cross-sectional view of a collector in an embodiment of the invention;
fig. 8 shows a cross-sectional view of the bottom fixing edge of the upper frame in the embodiment of the present invention.
In the figure: 1-a base; 2-upper frame body; 21-a fixed edge; 211-a metal layer; 212-a silica gel layer; 3-connecting the shaft; 4-locking; 5-a material collector; 51-a scraping mechanism; 511-L shaped stoppers; 512-driving motor; 513-electric scraper; 52-a suction mechanism; 521-a storage cavity; 522-an air pump; 523-filter screen; 524-suction pipe; 6-X axis moving assembly; 61-X axis mount; 62-screw rod; 63-a transmission rod; a 64-X axis motor; 7-Y axis moving assembly; 71-a limiting slide rail; 711-positioning flange; 712-positioning step; 713-grooves; 72-a slide block; 73-Y axis motor; 74-rubber ring; an 8-Z axis moving assembly; 81-a moving block; 82-electric push rod.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Example one
Referring to fig. 1 to 5, the present embodiment provides a scraping and sampling device for lithium battery pole pieces, the sampling device includes a base 1, an upper frame 2, a material collector 5 and a moving shaft system, wherein a mounting hole is formed on the left side of the base 1 for mounting a connecting shaft 3, the upper frame 2 is rotatably connected to the base 1 through the connecting shaft 3, and a latch 4 is disposed on one side of the upper frame 2 away from the connecting shaft 3, that is, a latch 4 is disposed on the right side of the upper frame 2 in the present embodiment, the latch 4 provided in the present embodiment is used for locking the lithium battery pole pieces after the upper frame 2 is attached to the base 1, and after the latch is locked, a sampling region is formed between the upper frame 2 and the base 1; above-mentioned upper frame body 2 also can adopt other locking structure among the prior art with base 1 laminating locking mode, all is within the utility model discloses a within the protection scope.
The material collector 5 of the present embodiment is mounted on the upper frame 2, and critically, the material collector 5 is connected with the upper frame 2 through a moving shaft system, so that the material collector 5 can move freely in the sampling area, the material collector 5 comprises a material scraping mechanism 51 and an air suction mechanism 52, and the material collector 5 is used for scraping and sampling lithium battery pole pieces in the sampling area.
In the illustrated embodiment, the moving axis system includes an X-axis moving assembly 6, a Y-axis moving assembly 7, and a Z-axis moving assembly 8 to enable the collector 5 to move freely in the X-axis direction, the Y-axis direction, and the Z-axis direction within the sampling area; the moving shaft system composed of the X-axis moving assembly 6, the Y-axis moving assembly 7 and the Z-axis moving assembly 8 is a three-dimensional moving system, and after the lithium battery pole pieces are positioned and locked, the material collector 5 can be conveniently moved to a sampling area to flexibly complete active material collection, so that the material collector 5 has a large moving and adjusting space in the sampling area, and incomplete intercepting of lithium battery pole piece samples is avoided.
Specifically, as shown in fig. 4, the Y-axis moving assembly 7 provided in this embodiment includes limiting slide rails 71 installed on two opposite sides of the top of the upper frame 2, sliders 72 adapted to the limiting slide rails 71, and a Y-axis driving component, where the limiting slide rails 71 extend along the Y-axis direction; the material collector 5 is arranged on a sliding block 72 through an X-axis moving assembly 6 and a Z-axis moving assembly 8, and a Y-axis driving part can drive the sliding block 72 to move along a limiting sliding rail 71 so as to drive the material collector 5 to move along the Y-axis direction; the Y-axis moving assembly 7 is simple in structure and convenient and fast to move; in the illustrated embodiment, the limiting slide rail 71 on the right side of the upper frame 2 has a positioning flange 711 arranged along the Y-axis direction, positioning steps 712 are respectively arranged on the upper side and the lower side of the positioning flange 711 in the Y-axis direction, the slide block 72 corresponding to the limiting slide rail 71 is in a U-shaped structure, and two ends of the U-shaped structure slide block 72 respectively have positioning wheels and make the two positioning wheels extend to the two positioning steps 712, so that the slide block 72 moves in the limiting slide rail 71, and the positioning rolling fit of the slide block 72 and the limiting slide rail 71 is realized; further, as shown in fig. 5, the limit slide rail 71 on the left side of the upper frame 2 has a groove 713 along the extending direction of the limit slide rail 71, that is, the limit slide rail 71 on the other side of the upper frame 2 has a groove 713 along the Y-axis direction, and the bottom of the slide block 72 corresponding to the limit slide rail 71 is provided with a roller matched with the groove 713, so that the slide blocks 72 on both sides of the upper frame 2 can slide along the limit slide rail 71.
In the illustrated embodiment, the Y-axis driving part includes a Y-axis motor 73 mounted on the slider 72 and a rubber ring 74 coaxially connected to an output shaft of the Y-axis motor 73, so that the rubber ring 74 is closely attached to the limit slide rail 71; specifically, the rubber ring 74 is tightly attached to the outer side surface of the positioning flange 711 in the embodiment, so that the rubber ring 74 is driven to rotate by the Y-axis motor 73, friction exists between the rubber ring 74 and the limiting slide rail 71 tightly attached to the rubber ring 74, and the slider 72 provided with the Y-axis motor 73 is driven to move on the limiting slide rail 71, the Y-axis driving component can conveniently and quickly drive the collector 5 to move along the Y-axis direction by an electric drive, and can conveniently and quickly drive the collector 5 to move along the Y-axis direction by a manual drive, and the components of the structure are compactly matched, so that the movement is more stable; of course, in some embodiments, the Y-axis driving component may also adopt a mode of driving the sliding block 72 by the motor and cooperating with the rack-and-pinion transmission to move on the limiting sliding rail 71, and may also adopt an existing hydraulic pushing mode to realize the sliding block 72 moving in the Y-axis direction, which are all within the protection scope of this embodiment.
The X-axis moving assembly 6 of the embodiment comprises an X-axis mounting frame 61 arranged on two sliding blocks 72, a screw 62 and a transmission rod 63 erected on the X-axis mounting frame 61, and an X-axis driving component, wherein the screw 62 is arranged in an extending manner along the X-axis direction; the material collector 5 is sleeved on the screw rod 62 through the Z-axis moving assembly 8, and the X-axis driving part can drive the screw rod 62 to rotate so as to drive the material collector 5 to move along the X-axis direction; preferably, the X-axis driving component of the present embodiment is an X-axis motor 64, and a transmission rod 63 is respectively disposed on both sides of the screw 62, so that the material collector 5 can move smoothly in the X-axis direction during the rotation of the screw 62 driven by the X-axis driving component; in addition, the X-axis moving assembly 6 has a self-locking function after the movement adjustment of the collector 5 in the sampling area is completed, so that the unstable displacement in the scraping and sampling process is avoided, the sampling error is reduced, and the accuracy of battery failure analysis can be effectively improved; certainly, it is specifically not limited to this, the X-axis moving assembly 6 may also adopt other linear moving mechanisms in the prior art, and is connected with the Y-axis driving component and the Z-axis driving component in a matching manner, so as to realize the stable movement of the material collector 5 in the X-axis direction, which is all within the protection scope of the present invention.
The Z-axis moving assembly 8 of this embodiment includes a moving block 81 sleeved on the screw 62 and the transmission rod 63, and a Z-axis driving component disposed on the moving block 81, wherein the moving block 81 is in threaded connection with the screw 62, the moving block 81 is in sliding fit with the transmission rod 63, and an output end of the Z-axis driving component is connected with the scraping mechanism 51 for driving the scraping mechanism 51 to move along the Z-axis direction; the Z-axis driving part is preferably an electric push rod 82, so that the collecting depth of the collector 5 in the Z-axis direction can be adjusted according to the sampling requirements of different lithium battery pole pieces, different sampling requirements are further met, and the structure is simple in design but ingenious and reasonable; certainly also specifically not be limited to this, other sharp actuating mechanism among the prior art can also be adopted to Z axle driver part, all be in the utility model discloses a within the protection scope, the preferred electric putter 82 of this embodiment Z axle driver part has considered installation space and has scraped the material collection degree of depth, and the collection degree of depth of control aggregate ware 5 in Z axle orientation of being convenient for satisfies different sampling demands.
The embodiment of the scraping and sampling device for the lithium battery pole piece is as follows:
the lithium battery pole piece sample placing process comprises the following steps: firstly, adjusting a Z-axis moving assembly 8 to the highest position in the Z-axis direction, opening a latch 4, rotating an upper frame body 2 to a certain angle along a connecting shaft 3, horizontally placing a lithium battery pole piece sample on the upper plane of a base 1, further pressing down the upper frame body 2, ensuring that the lithium battery pole piece sample is in a sampling area formed between the upper frame body 2 and the base 1, and finally closing the latch 4 to finish the placement of the lithium battery pole piece sample;
lithium battery pole piece sample sampling process: after the lithium battery pole piece sample is placed, the material collector 5 is accurately adjusted and moved to the sampling area through the X-axis moving assembly 6 and the Y-axis moving assembly 7, after the material collector 5 is moved well, the height of the Z-axis moving assembly 8 is adjusted according to the sampling thickness of the lithium battery pole piece sample, the material scraping mechanism 51 and the air suction mechanism 52 are opened, the material scraping mechanism 51 is driven by the Z-axis moving assembly 8 to move and sample along the direction of the sample, active substances in the sampling area are completely collected, and sampling is completed.
From the above, the sampling device of the embodiment has a simple structure, and firstly, the upper frame body 2 and the base 1 which are connected in a rotating manner are combined with the lock 4 to realize the positioning and locking of the lithium battery pole pieces, so that the sampling device can be suitable for positioning and sampling of different lithium battery pole pieces, and the movement of the sampling device can be completed by manually moving the base 1, thereby facilitating the carrying and placement of operators; its two this embodiment sampling device is by X axle removal subassembly 6, the removal axle system that Y axle removal subassembly 7 and Z axle removal subassembly 8 constitute is three-dimensional moving system, can accurately move glassware 5 to the sample area conveniently, realize accomplishing active material collection in a flexible way, make glassware 5 have great removal adjustment space in the sample area, can realize accurate quick sample, thereby the sampling efficiency is high, the operation is simpler, can effectively improve lithium battery pole piece and scrape the work efficiency of material sample, reduce the error that manual operation caused simultaneously, promote lithium battery failure analysis's the degree of accuracy.
Example two
The second embodiment is substantially the same as the first embodiment, except that: referring to fig. 1, fig. 6 and fig. 7, in the present embodiment, an integrated structure improvement is performed on a scraping mechanism 51 and an air suction mechanism 52 on the basis of the first embodiment, the scraping mechanism 51 provided in the present embodiment includes an L-shaped block 511 fixedly connected to an output end of an electric push rod 82, a driving motor 512 mounted on the L-shaped block 511, and an electric scraper 513 connected to an output end of the driving motor 512; the design purpose of this embodiment L type dog 511 can be convenient for install driving motor 512 and electronic scraper 513 on the one hand, and on the other hand can block to scrape the material in-process active material toward scattering all around, and L type dog 511 opening is also convenient for concentrate the active material of collecting in the sampling area towards air exhaust mechanism 52, better completion sample.
In the illustrated embodiment, the electric scraper 513 includes a rotating shaft and a plurality of arc-shaped blades installed along the annular surface of the rotating shaft, and in this embodiment, for example, eight arc-shaped blades are provided, which are equidistantly arranged along the annular surface of the rotating shaft, and the scraping end of each arc-shaped blade can extend below the L-shaped block 511, so as to collect the active substance from the sample in the sampling area.
The air pumping mechanism 52 provided by this embodiment includes a material storage chamber 521 disposed in the moving block 81, an air pumping pump 522, a filter screen 523 and an air suction pipe 524 communicated with the material storage chamber 521, wherein the air suction pipe 524 can extend to a sampling end close to the scraping mechanism 51, and the air pumping pump 522 is separated from the material storage chamber 521 by the filter screen 523; the material collector 5 of this embodiment adopts the design of scraping mechanism 51 and the integrated form of mechanism 52 of bleeding, can collect the powder sample of lithium battery pole piece through mechanism 52 of bleeding in the scraping process, utilizes aspiration pump 522 and breathing pipe 524 to collect the powder sample of sample end to the material stock chamber 521, and the setting of filter screen 523 is convenient for store the powder sample in the material stock chamber 521, avoids introducing in the aspiration pump 522.
From top to bottom, this embodiment sampling device loading head 5 adopts scraper mechanism 51 and the design of mechanism 52 integrated form of bleeding, can be scraping the powder sample that the material in-process collected lithium battery pole piece through mechanism 52 of bleeding, avoids scraping the material in-process active material toward dispersion all around, is convenient for concentrate the active material who collects at the sampling area simultaneously, realizes accurate quick sample, promotes the degree of accuracy of battery failure analysis, possesses fine application prospect and spreading value.
EXAMPLE III
The third embodiment is substantially the same as the first embodiment, except that: referring to fig. 1 and fig. 8, in the present embodiment, on the basis of the first embodiment, a fixing edge 21 for fixing the lithium battery pole piece is disposed at the bottom of an upper frame body 2 of the present embodiment, the fixing edge 21 includes an upper metal layer 211 and a lower silica gel layer 212, the metal layer 211 is detachably and fixedly connected to the upper frame body 2, and the metal layer 211 is detachably and fixedly connected to the silica gel layer 212; specifically, the fixed lithium-ion battery pole piece of design aim at centre gripping of 2 fixed limits 21 in framework bottom on this embodiment, its upper metal limit set up threaded hole so that can realize detachable fixed connection through threaded connection spare and last framework 2, be convenient for dismantle fast according to the difference of sample and change fixed limit 21, and lower floor's silica gel layer 212 is preferred to be adopted and metal level 211 bonding fixed, silica gel layer 212 is soft/flexible can be good, can be stable and avoid producing wearing and tearing to lithium-ion battery pole piece to the lithium-ion battery pole piece centre gripping, thereby realize stable accurate sample, further promote the degree of accuracy of lithium-ion battery failure analysis.
The present invention is not limited to the above description and drawings, but should be understood as being illustrative and not restrictive, and the technical features can be replaced and modified without creative efforts by those skilled in the art according to the technical content disclosed, all falling within the scope of the present invention.
Claims (10)
1. The utility model provides a lithium battery pole piece scrapes material sampling device which characterized in that: the sampling device comprises
The device comprises a base, wherein a connecting shaft is arranged on one side of the base;
the upper frame body is rotatably connected with the base through the connecting shaft, a lock is arranged on one side of the upper frame body, which is far away from the connecting shaft, and the lock is used for locking the lithium battery pole piece after the upper frame body is attached to the base, so that a sampling area is formed between the upper frame body and the base after the lock is locked;
the collector is arranged on the upper frame body and comprises a scraping mechanism and an air exhaust mechanism, and the collector is used for scraping and sampling the lithium battery pole pieces in the sampling area;
and the material collector is connected with the upper frame body through the moving shaft system so as to enable the material collector to freely move in the sampling area.
2. The scraping and sampling device for the lithium battery pole piece according to claim 1, characterized in that: the moving shaft system comprises an X-axis moving assembly, a Y-axis moving assembly and a Z-axis moving assembly, so that the material collector can freely move in the X-axis direction, the Y-axis direction and the Z-axis direction in the sampling area.
3. The scraping and sampling device for the lithium battery pole piece according to claim 2, characterized in that: the Y-axis moving assembly comprises limiting slide rails arranged on two opposite sides of the top of the upper frame body, a slide block matched with the limiting slide rails and a Y-axis driving part, and the limiting slide rails extend along the Y-axis direction; the material collector is installed on the sliding block, and the Y-axis driving part can drive the sliding block to move along the limiting sliding rail so as to drive the material collector to move along the Y-axis direction.
4. The scraping and sampling device for the lithium battery pole piece according to claim 3, characterized in that: the Y-axis driving part comprises a Y-axis motor arranged on the sliding block and a rubber ring coaxially connected with an output shaft of the Y-axis motor, and the rubber ring is tightly attached to the limiting sliding rail.
5. The scraping and sampling device for the lithium battery pole piece according to claim 3, characterized in that: the X-axis moving assembly comprises an X-axis mounting frame arranged on the sliding block, a screw rod and a transmission rod which are erected on the X-axis mounting frame, and an X-axis driving component, and the screw rod extends along the X-axis direction; the material collector is sleeved on the screw rod through the Z-axis moving assembly, and the X-axis driving part can drive the screw rod to rotate so as to drive the material collector to move along the X-axis direction.
6. The scraping and sampling device for the lithium battery pole piece according to claim 5, characterized in that: the X-axis driving component is an X-axis motor.
7. The scraping and sampling device for the lithium battery pole piece according to claim 5, characterized in that: the Z-axis moving assembly comprises a moving block sleeved on the screw rod and the transmission rod and a Z-axis driving part arranged on the moving block, wherein the moving block is in threaded connection with the screw rod, the moving block is in sliding fit with the transmission rod, and the output end of the Z-axis driving part is connected with the scraping mechanism so as to drive the scraping mechanism to move along the Z-axis direction.
8. The scraping and sampling device for the lithium battery pole piece according to claim 7, characterized in that: the Z-axis driving part is an electric push rod, and the scraping mechanism comprises an L-shaped stop block connected with the output end of the electric push rod, a driving motor installed on the L-shaped stop block and an electric scraper connected with the output end of the driving motor.
9. The scraping and sampling device for the lithium battery pole piece according to claim 7, characterized in that: the air pumping mechanism comprises a material storage cavity, an air pumping pump, a filter screen and an air suction pipe, wherein the material storage cavity, the air pumping pump and the filter screen are arranged in the moving block, the air suction pipe is communicated with the material storage cavity, the air suction pipe can extend to a position close to a sampling end of the scraping mechanism, and the air pumping pump is separated from the material storage cavity through the filter screen.
10. The scraping and sampling device for the lithium battery pole piece according to claim 1, characterized in that: the bottom of going up the framework is equipped with the fixed limit that is used for fixed lithium-ion battery pole piece, fixed limit includes upper metal layer and lower floor's silica gel layer, the metal layer with go up the detachable fixed connection of framework, the metal layer with the detachable fixed connection in silica gel layer.
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| CN202121198387.8U CN213544088U (en) | 2021-06-01 | 2021-06-01 | Lithium battery pole piece scraping and sampling device |
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| CN202121198387.8U CN213544088U (en) | 2021-06-01 | 2021-06-01 | Lithium battery pole piece scraping and sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021230A1 (en) * | 2022-07-28 | 2024-02-01 | 广东邦普循环科技有限公司 | Automatic powder sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021230A1 (en) * | 2022-07-28 | 2024-02-01 | 广东邦普循环科技有限公司 | Automatic powder sampling device |
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