CN113937299B - Current collector and processing technology and equipment thereof - Google Patents
Current collector and processing technology and equipment thereof Download PDFInfo
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- CN113937299B CN113937299B CN202111179376.XA CN202111179376A CN113937299B CN 113937299 B CN113937299 B CN 113937299B CN 202111179376 A CN202111179376 A CN 202111179376A CN 113937299 B CN113937299 B CN 113937299B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/75—Wires, rods or strips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
- B22D25/04—Casting metal electric battery plates or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/24—Alkaline accumulators
-
- 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
Abstract
The invention provides a current collector and a processing technology and equipment thereof, belonging to the technical field of batteries. The split type current collector is arranged and connected through the threads, splicing can be realized through different parts with different numbers and sizes so as to meet the production requirements of the current collectors with different specifications and sizes, the adaptability is better, the adhesion part filling is arranged in the assembly gaps of the split parts, the integrity is improved, the structural strength and the current collecting effect are better, in addition, the processing technology and the processing equipment of the current collector are also provided, the filling of the adhesion part is facilitated, the automatic operation of processing is realized, the processing efficiency is improved, the processing cost is reduced, and the production and the manufacturing of the current collector are facilitated.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a current collector and a processing technology and equipment thereof.
Background
For the batteries of alkaline manganese and the like, a current collector needs to be arranged inside the batteries to realize negative current collection, so the structural performance of the current collector directly determines the service performance of the batteries.
At present, the mass flow body on the market generally obtains for whole cold forging processing, the structure is a whole, not only need set up the mold processing alone, the processing cost is high, and simultaneously, to the battery of different models, the size of its inside mass flow body is also different, but current mass flow body is an overall structure, can't realize size adjustment, thereby need redesign mold processing in addition, the processing cost has been increased equally, in addition, surface irregularities appears easily in the mass flow body of cold forging, thereby lead to the problem of mass flow effect variation, influence electric conductive property, thereby influence the performance of battery, and, machining efficiency is low, be unfavorable for the manufacturing of battery.
Disclosure of Invention
To the above problems existing in the prior art, it is now intended to provide a current collector and a processing technology and equipment thereof, so as to set up a split-spliced current collector, and two adjacent sections are connected by screw threads, so as to realize the adjustment of the overall size of the current collector by splicing between sections of different numbers and sizes, thereby adapting to the use requirements of batteries of different specifications, in addition, an adhesion part is further provided between two adjacent sections on the basis of screw thread connection, the filling of assembly gaps between two adjacent sections is realized by the adhesion part, so that the integrity of the spliced current collector is better, the problem of poor current collection effect caused by the occurrence of gaps is avoided, the conductivity is improved, thereby the service performance of the battery is improved, the automatic operation of current collector assembling and processing can also be realized, the processing efficiency is improved, and the processing cost is reduced.
The specific technical scheme is as follows:
a current collector having the characteristics comprising: the body of rod that the components of a whole that can function independently arranged, top welding arch, bottom stitch, top welding arch and bottom stitch be threaded connection respectively in the both ends of the body of rod, and simultaneously, all be provided with adhesion portion between top welding arch and the body of rod and between bottom stitch and the body of rod, and the assembly clearance between welding arch and the body of rod and between bottom stitch and the body of rod is filled to adhesion portion, the body of rod, the protruding and bottom stitch's of top welding material is the same, and, adhesion portion solidifies the formation after filling for heating melting.
In the current collector, the adhesion portion, the rod body, the top welding protrusion and the bottom pin are made of copper.
The utility model provides a mass flow body, wherein, the both ends of the body of rod are seted up threaded hole respectively, and the both ends of the body of rod are connected to top welding arch and bottom stitch are provided with the screw thread post that corresponds with the threaded hole respectively.
A processing technology of a current collector is used for processing the current collector and comprises the following steps:
step S1, processing a single part;
machining the rod body, the bottom pin and the top welding bulge by adopting turning, grinding and cold forging independently or in a combined mode, and machining threaded holes in two ends of the rod body, the top welding bulge and threaded columns on the bottom pin;
s2, heating and melting the bonding part;
heating and melting the bonding part and storing the bonding part in a melting pot body;
s3, assembling;
selecting a proper rod body, a bottom pin and a top welding bulge according to actual processing requirements, dropping a liquid adhesion part in a melting pot body into a threaded hole on the rod body, screwing a threaded column of the top welding bulge on the rod body, dropping the threaded column into the threaded hole with the adhesion part, extruding the adhesion part into an assembly gap between the rod body and the threaded hole, and after the adhesion part is cooled and solidified, installing the bottom pin on a threaded hole at the other end of the rod body in the same way;
s4, fine trimming;
removing the redundant adhesive part overflowing to the outside of the outer surface of the rod body through grinding processing to obtain a semi-finished product current collector;
s5, surface treatment;
electroplating the rod body of the semi-finished current collector after being processed in the step S4, and forming an oxide layer on the surface of the rod body to form a finished current collector;
s6, packaging and storing;
and (5) taking out the finished product current collector plated with the oxide layer in the step (S5), cleaning, drying, packaging and storing.
In the above processing process of the current collector, the surface treatment process of step S5 is performed in an aqueous solution containing nitrate ions and indium ions, and the semi-finished current collector is a substrate.
A current collector processing apparatus for the current collector processing technology, having the following characteristics:
the device comprises a rack, wherein a station table is rotatably arranged on the rack, a plurality of processing stations are arranged on the station table at intervals, and each processing station is provided with a chuck;
the melting device is arranged on the rack and located beside the station table, the melting device is provided with a melting assembly, a dumping assembly and a cleaning assembly, the melting assembly is provided with a melting pot body, an electric heating wire is arranged outside the melting pot body, a dumping nozzle is arranged at the opening edge of the melting pot body, the dumping assembly comprises a suspension rod and a dumping telescopic driver, the suspension rod is arranged in a Y shape, the lower end of the suspension rod is fixed on the rack, the melting pot body is arranged in a fork at the upper end of the suspension rod, the opening edge of the melting pot body is hinged to the suspension rod, one end of the dumping telescopic driver is hinged to the rack, the other end of the dumping telescopic driver is hinged to the bottom of the melting pot body, the cleaning assembly is arranged on the rack and arranged towards the dumping nozzle, and can selectively stretch into the dumping nozzle;
the device comprises a rack, a vertical telescopic driver, a screwing rotary driver and a rotary clamping sleeve, wherein the rack is provided with a plurality of vertical telescopic shafts, the upper end of each vertical telescopic driver is arranged at the upper end of the rack, the upper end of each vertical telescopic driver is arranged at the lower end of the rack, the rotary shaft of each vertical telescopic driver is arranged towards a chuck, and the rotary clamping sleeve is arranged on the rotary shaft of the corresponding vertical telescopic driver.
The aforesaid processing equipment who collects body, wherein, the (holding) chuck is pneumatic (holding) chuck, and the (holding) chuck includes telescopic cylinder, fixed pressing block and flexible briquetting, and fixed pressing block is fixed in the station bench, and flexible briquetting deviates from one side of fixed pressing block and connects on telescopic cylinder's telescopic shaft to, the clamp groove has all been seted up to one side that flexible briquetting and fixed pressing block are close to each other.
The processing equipment of foretell mass flow body, wherein, the cross section of empting the mouth is the setting of "V" font, and clean subassembly includes clean rotary actuator, emery wheel and clean flexible driver, and clean flexible driver is fixed in the frame, and the telescopic shaft of clean flexible driver extends towards empting the mouth, and clean rotary actuator installs on the telescopic shaft of clean flexible driver, and simultaneously, the emery wheel is installed in clean rotary actuator's pivot, and the cross section of the rim of emery wheel is unanimous with the cross section of empting the mouth.
The utility model provides a processing equipment of mass flow body, wherein, rotatory clamp sleeve includes the main part, gland and slide-shaft, main part and gland are cylindrically, the main part is the tubbiness setting, the bung hole of main part arranges up, the throat has been seted up at the bottom of the bucket of main part, it has a plurality of arc spouts to be annular array distribution on the inside wall of main part, and the direction of arranging of arc spout is the direction that extends from the inboard of main part to the outside, and, along on the direction that extends from the inboard of main part to the outside, the groove width of each arc spout increases gradually, and each arc spout all communicates with the bucket inner chamber of main part, and simultaneously, the gland stack sets up on the bung hole of main part, the gland is connected in screwing up rotary actuator's pivot, it is provided with a plurality of constant head tanks that correspond with the arc spout to be annular array on the bottom surface of gland, the direction of arranging of constant width groove is unanimous with the direction of arc spout, and the constant width groove, the slide-shaft is the cylinder, the one end of slide-shaft is inserted and is located in the arc spout and is leaned on locating groove.
The processing equipment of foretell mass flow body, wherein, still include the switching-over device, the switching-over device is including the switching-over clamping jaw again, switching-over rotary actuator and the flexible driver of switching-over, on the frame was fixed in to the one end of the flexible driver of switching-over, the telescopic shaft of the flexible driver of switching-over was arranged towards the station platform, the flexible driver of switching-over was installed on the telescopic shaft of the flexible driver of switching-over, simultaneously, the switching-over clamping jaw was installed in the pivot of the rotatory driver of switching-over.
The positive effects of the technical scheme are as follows:
the current collector and the processing technology and equipment thereof are characterized in that the current collector is split and can be spliced in a threaded manner, the whole size of the current collector can be adjusted by splicing different parts with different quantities and sizes, so that the current collector can meet the use requirements of batteries with different specifications, in addition, the adhesion parts are further arranged between every two adjacent sections on the basis of threaded connection, the filling of assembly gaps between every two adjacent sections is realized through the adhesion parts, the integrity of the spliced current collector is better, the problem of poor current collection effect caused by the gaps is avoided, the conductivity is improved, the service performance of the battery is improved, the automatic operation of current collector assembling and processing can also be realized through the processing equipment, the processing efficiency is improved, the processing cost is reduced, and the production and the manufacturing of the current collector are facilitated.
Drawings
Fig. 1 is a structural view of a current collector of the present invention;
fig. 2 is a flow chart of a current collector processing process according to a preferred embodiment of the invention;
fig. 3 is a structural diagram of a current collector processing apparatus according to a preferred embodiment of the present invention;
FIG. 4 is a block diagram of a pouring spout in accordance with a preferred embodiment of the present invention;
FIG. 5 is a structural view of the main body of the rotary clamping sleeve according to a preferred embodiment of the present invention;
fig. 6 is a structural view of a gland of the rotary clamping sleeve according to a preferred embodiment of the present invention.
In the drawings: 1. a current collector; 11. a rod body; 12. welding a bulge at the top; 13. a bottom stitch; 14. an adhesive portion; 111. a threaded hole; 121. a threaded post; 2. a frame; 21. a station platform; 3. a chuck; 31. a telescopic cylinder; 32. fixing a pressing block; 33. a telescopic pressing block; 321. a clamping groove; 4. a melting device; 41. a melting assembly; 42. a dumping assembly; 43. a cleaning assembly; 411. melting the pot body; 412. an electric heating wire; 413. pouring a nozzle; 421. a boom; 422. a tilt telescopic drive; 431. cleaning the rotary drive; 432. a grinding wheel; 433. cleaning the telescopic driver; 5. tightening the device; 51. a support; 52. a vertical telescopic driver; 53. screwing down the rotary driver; 54. rotating the clamping sleeve; 541. a main body; 542. a gland; 543. a slide shaft; 5411. necking; 5412. an arc-shaped chute; 5421. positioning a groove; 6. a reversing device; 61. a reversing clamping jaw; 62. a reverse rotation driver; 63. and a reversing telescopic driver.
Detailed Description
In order to make the technical means, creation features, achievement objects and effects of the present invention easily understood, the following embodiments are specifically set forth in the following description with reference to fig. 1 to 6, but the following contents are not intended to limit the present invention.
Fig. 1 is a structural view of a current collector of the present invention. As shown in fig. 1, the current collector provided in the present embodiment includes: the body of rod 11 that the components of a whole that can function independently arranged, top welding arch 12, bottom stitch 13, this moment, top welding arch 12 and bottom stitch 13 are threaded connection in the both ends of the body of rod 11 respectively, top welding arch 12 and the connection dismantled at body of rod 11 both ends of bottom stitch 13 have been realized, thereby make follow-up manufacturer or user can select different specification and size's the body of rod 11 according to the in-service use demand, top welding arch 12, bottom stitch 13 splices, thereby satisfy the quick production manufacturing of different specification and size's mass flow body 1, the problem of overall structure need whole cold-heading processing when adding man-hour has been avoided, also can avoid the high cost problem that whole change brought after the whole damage simultaneously. Simultaneously, all be provided with adhesion portion 14 between top welding arch 12 and the body of rod 11 and between bottom stitch 13 and the body of rod 11, and, fill the assembly clearance between welding arch and the body of rod 11 and between bottom stitch 13 and the body of rod 11 through adhesion portion 14, thereby effectively avoided leading to appearing the assembly clearance after the assembly and leading to the poor problem of structural strength and electric conductive property because of machining error, and, adhesion portion 14, the body of rod 11, top welding arch 12 and bottom stitch 13's material is the same, make adhesion portion 14, the body of rod 11, top welding arch 12 and bottom stitch 13 can form the overall structure of same material, the wholeness is better, the unity of material use has also been guaranteed simultaneously, do benefit to manufacturing, and, adhesion portion 14 solidifies the formation after filling for heating melting, the assembly clearance of convenient packing, structural design is more reasonable.
Preferably, the material of the adhesion part 14, the rod body 11, the top welding protrusion 12 and the bottom stitch 13 of the current collector 1 is copper, so that the current collector has good conductivity, and meanwhile, the current collector can be conveniently heated and melted to be in a liquid state, so that the assembly gap can be filled conveniently, and the structural design is more reasonable.
Preferably, threaded holes 111 are respectively formed in the two ends of the rod body 11, so that the two ends of the rod body 11 are identical in structure, the direction of the rod body 11 does not need to be distinguished during assembly, the installation is convenient and quick, the machining efficiency is improved, and meanwhile the problem of assembly errors is also solved. In addition, be provided with the screw thread post 121 that corresponds with screw hole 111 respectively at the both ends that the body of rod 11 is connected to protruding 12 of top welding and bottom stitch 13, realize the threaded connection at the body of rod 11 both ends of protruding 12 of top welding and bottom stitch 13 through the cooperation of screw thread post 121 and screw hole 111, the dismouting is more convenient, and structural design is more reasonable.
In addition, the embodiment also provides a processing technology for processing the current collector. Fig. 2 is a flow chart of a current collector processing process according to a preferred embodiment of the invention. As shown in fig. 2, the processing process of the current collector 1 provided in this embodiment includes the following steps:
step S1, processing a single part;
the rod body 11, the bottom pins 13 and the top welding protrusions 12 are machined through turning, grinding and cold forging independently or in a combined mode, threaded holes 111 at two ends of the rod body 11 and threaded columns 121 on the top welding protrusions 12 and the bottom pins 13 are machined, independent machining of the rod body 11, the bottom pins 13 and the top welding protrusions 12 is achieved, and the rod body 11, the bottom pins 13 and the top welding protrusions 12 of different specifications and sizes of machining positions are machined according to different use requirements. It is worth pointing out that the threaded holes 111 and the threaded columns 121 on the rod bodies 11, the bottom pins 13 and the top welding protrusions 12 with different specifications are consistent in size, so that the rod bodies 11, the bottom pins 13 and the top welding protrusions 12 with different specifications can be assembled without difference, and the structural adaptability is improved.
Step S2, heating and melting the bonding part 14;
the solid adhesive part 14 is placed into the melting pot body 411 and heated to melt, the liquid adhesive part 14 obtained after heating and melting is stored in the melting pot body 411 and is filled into the assembly gap in a liquid state when waiting for subsequent assembly, and therefore more thorough filling is guaranteed.
S3, assembling;
the method comprises the steps of selecting a proper rod body 11, a bottom pin 13 and a top welding bulge 12 according to actual processing requirements, vertically placing the rod body 11, dropping a liquid adhesion part 14 in a melting pot body 411 into a threaded hole 111 in the rod body 11, screwing a threaded column 121 of the top welding bulge 12 on the rod body 11 into the threaded hole 111 with the adhesion part 14 and extruding the adhesion part 14 into an assembly gap between the adhesion part and the rod body, cooling and solidifying the adhesion part 14, and then installing the bottom pin 13 on the threaded hole 111 at the other end of the rod body 11 in the same way, so that the top welding bulge 12 and the bottom pin 13 are connected to the rod body 11 in a threaded mode, the assembly gap is synchronously filled, the top welding bulge 12, the bottom pin 13 and the rod body 11 can form an integral structure, the structural strength is higher, meanwhile, the assembly gap is filled through the adhesion part 14, and the problem that resistance is increased due to the assembly gap and is reduced is solved.
S4, fine trimming;
through abrasive machining, will spill over to the outer excessive bonding portion 14 of the body of rod 11 surface and get rid of, obtain semi-manufactured goods mass flow body, through abrasive machining among the finishing process, can get rid of the unevenness department on the body of rod 11 for the body of rod 11 surface is level and smooth, does benefit to its electric conductivity's promotion equally, and also provides the electroplating condition for follow-up electroplating formation oxide layer.
S5, surface treatment;
electroplating the rod body 11 of the semi-finished current collector after being processed in the step S4, forming an oxide layer on the surface of the rod body to form the finished current collector 1, and protecting the rod body 11 through the formed oxide layer, so that the problem that the current collector 1 is subjected to electrochemical reaction with a zinc cathode after being installed to release hydrogen is prevented, the problem of gas expansion is avoided, the risk of battery leakage is reduced, and the service performance of the battery is improved.
S6, packaging and storing;
and (5) taking out the finished product current collector plated with the oxide layer in the step (S5), cleaning, drying, packaging and storing, and facilitating subsequent processing and transportation.
More specifically, the surface treatment process of step S5 is performed in an aqueous solution containing nitrate ions and indium ions, and the semi-finished current collector 1 is a substrate, so that an indium oxide layer can be formed on the outer surface of the rod body 11, and the electrochemical corrosion resistance effect is better.
In addition, the present embodiment further provides a processing apparatus for processing the current collector 1, and is suitable for the processing technology of the current collector 1. Fig. 3 is a structural diagram of a current collector processing apparatus according to a preferred embodiment of the present invention. As shown in fig. 3, the processing equipment of the current collector 1 provided by the present embodiment includes a frame 2, a melting device 4, and a tightening device 5.
Specifically, frame 2 is last to rotate and is provided with station platform 21 to, the interval is provided with a plurality of processing stations on the station platform 21, realizes the switching to processing station position through the rotation of station platform 21 in frame 2, thereby satisfies the processing demand of different processing steps. And each processing station is provided with a chuck 3, the rod piece to be processed is clamped through the chuck 3, and conditions are provided for realizing the subsequent filling of the adhesion part 14 and the threaded connection of the top welding bulge 12 and the bottom stitch 13.
Specifically, the melting device 4 is disposed on the frame 2 and located beside the station table 21, so that when the station table 21 rotates, different processing stations sequentially pass through the melting device 4, thereby providing convenience for filling the adhesive portion 14. At this time, the melting device 4 has a melting assembly 41, a pouring assembly 42 and a cleaning assembly 43, the melting assembly 41 has a melting pot 411, an electric heating wire 412 is arranged outside the melting pot 411, and the melting pot 411 is heated by the electric heating wire 412, so that the solid adhesion part 14 put into the melting pot 411 can be melted into a liquid state, which is beneficial to the subsequent filling operation. And, a pouring nozzle 413 is arranged at the opening edge of the melting pot body 411, so that when the melting pot body 411 is inclined, the liquid adhesion part 14 in the melting pot body 411 can flow out from the pouring nozzle 413 and is injected into the threaded holes 111 at the two ends of the rod body 11 through the pouring nozzle 413, and the filling is more accurate and convenient. And, topple over subassembly 42 and include jib 421 again and topple over flexible driver 422, jib 421 is "Y" font setting, the lower extreme of jib 421 is fixed in on the frame 2, and melt the pot body 411 and set up in the fork mouth of the upper end of jib 421, the mouth edge that melts the pot body 411 simultaneously articulates on jib 421, make the both sides of the mouth edge that melts the pot body 411 all supported by jib 421, thereby guaranteed the homogeneity that melts the atress of pot body 411, prevented to melt pot body 411 and appeared the problem that deformation damaged, guaranteed the stability of pouring spout 413 position, do benefit to the injection of liquid adhesion portion 14 in screw hole 111 on the body of rod 11. Moreover, one end of the dumping telescopic driver 422 is hinged on the frame 2, and the other end is hinged at the bottom of the melting pot body 411, so that the dumping telescopic driver 422 can tilt or return the melting pot body 411 through the telescopic motion of the dumping telescopic driver 422, and the full automatic operation of injecting the liquid adhesion part 14 is realized. In addition, the cleaning component 43 is disposed on the frame 2 and arranged toward the pouring spout 413, and can selectively extend into the pouring spout 413, that is, the pouring spout 413 is cleaned by the cleaning component 43, because the adhesion portion 14 needs to be cooled and solidified in the filling process, a certain waiting time exists, and because of the arrangement of the pouring spout 413, the electric heating wire 412 cannot cover the pouring spout 413, so that no heating structure exists at the pouring spout 413, and thus, a part of the adhesion portion 14 of the liquid adhesion portion 14 remains on the pouring spout 413 and is solidified after pouring, and the solidified adhesion portion 14 can change the flow channel of the pouring spout 413, so that when the liquid adhesion portion 14 is injected into the threaded hole 111 of the position-determined rod body 11 through the pouring spout 413 again, the problem of inaccurate 111 of the threaded hole can occur, thereby affecting the injection of the adhesion portion 14, and the adhesion portion 14 solidified in the pouring spout 413 can be cleaned quickly through the cleaning component 43, the flow channel of the pouring spout 413 is maintained, and the structural design is more reasonable.
Specifically, the tightening device 5 is disposed on the frame 2 and beside the station table 21, and the tightening device 5 is located behind the melting device 4 along the rotation direction of the station table 21, so that the rod 11 passing through the liquid-filled adhesion portion 14 can move to the tightening device 5, and the top welding protrusion 12 and the bottom pin 13 can be automatically tightened on the rod 11. At this time, the tightening device 5 further includes a bracket 51, a vertical telescopic driver 52, a tightening rotary driver 53 and a rotary clamping sleeve 54, the bottom of the bracket 51 is fixed on the frame 2, the upper end of the bracket 51 extends to the upper side of the station table 21, the vertical telescopic driver 52 is mounted at the upper end of the bracket 51, the telescopic shaft of the vertical telescopic driver is arranged vertically downwards, the tightening rotary driver 53 is mounted on the telescopic shaft of the vertical telescopic driver 52, and the rotating shaft of the tightening rotary driver is arranged towards the chuck 3, so that the tightening rotary driver 53 can move up and down along with the vertical telescopic driver 52, and the use requirement of stroke feeding is met. Meanwhile, the rotary clamping sleeve 54 is installed on a rotating shaft of the screwing rotary driver 53, so that the screwing rotary driver 53 can drive the rotary clamping sleeve 54 to rotate, the rotary clamping sleeve 54 can clamp and drive the top welding protrusion 12 or the bottom pin 13 to rotate, the top welding protrusion 12 and the bottom pin 13 are installed on the rod body 11 with the adhesion part 14, the welding protrusion and the bottom pin 13 are installed on the rod body 11, and the structural design is more reasonable. It should be noted that, since the welding protrusions and the bottom pins 13 are respectively installed at two ends of the rod 11, and the liquid adhesion portion 14 injected into the threaded hole 111 at the end of the rod 11 needs to be solidified at one end and then operated at the other end, the station 21 needs to reversely rotate to the melting device 4 after the top welding protrusion 12 or the bottom pin 13 at one end is installed by the tightening device 5, and waits for the injection of the liquid adhesion portion 14 at the other end of the rod 11.
More specifically, the chucks 3 on the processing stations on the station table 21 are all pneumatic chucks 3, so that power is easy to obtain, the cost is low, and the operation is convenient. At this moment, the (holding) chuck 3 includes telescopic cylinder 31, fixed briquetting 32 and flexible briquetting 33, fixed briquetting 32 is fixed in on station platform 21, telescopic briquetting 33 deviates from one side of fixed briquetting 32 and connects on telescopic cylinder 31's telescopic shaft, telescopic motion through telescopic cylinder 31 drives telescopic briquetting 33 and removes, thereby make telescopic briquetting 33 can drive telescopic briquetting 33 do the motion that is close to or keeps away from fixed briquetting 32 on station platform 21, realize the clamp of the body of rod 11 or loosen through telescopic briquetting 33 and fixed briquetting 32. And, the clamp groove 321 has all been seted up to the one side that flexible briquetting 33 and fixed briquetting 32 are close to each other, realizes the adaptation to the body of rod 11 surface through pressing from both sides groove 321, the area of contact of increase and the surface of the body of rod 11 to promote the stability of the body of rod 11 after pressing from both sides tightly, structural design is more reasonable. It is worth pointing out that a rotary joint for air path connection is arranged between the central position of the station table 21 and the frame 2, so that the air path connection can be realized, the rotary joint can adapt to the rotary motion of the station table 21, and the structural design is more reasonable.
FIG. 4 is a perspective view of a pouring spout in accordance with a preferred embodiment of the present invention. As shown in fig. 3 and 4, the cross section of the pouring spout 413 is arranged in a "V" shape, so that the pouring spout 413 has a pointed structure, which provides conditions for accurately injecting the liquid adhesive portion 14 into the threaded hole 111 of the rod body 11 through the pointed angle of the pouring spout 413. At this time, the cleaning assembly 43 further includes a cleaning rotary driver 431, a grinding wheel 432 and a cleaning telescopic driver 433, the cleaning telescopic driver 433 is fixed on the frame 2, and a telescopic shaft of the cleaning telescopic driver 433 extends toward the pouring nozzle 413, and the cleaning rotary driver 431 is installed on the telescopic shaft of the cleaning telescopic driver 433, so that the cleaning rotary driver 431 can be driven by the cleaning telescopic driver 433 to be close to or away from the pouring nozzle 413, and meanwhile, the grinding wheel 432 is installed on a rotating shaft of the cleaning rotary driver 431, so that the cleaning rotary driver 431 can drive the grinding wheel 432 to rotate, so that the cleaning telescopic driver 433 can drive the grinding wheel 432 to extend into or move out of the pouring nozzle 413, and a condition is provided for removing the adhesive part 14 solidified in the pouring nozzle 413. Moreover, the cross section of the rim of the grinding wheel 432 is consistent with that of the pouring nozzle 413, so that when the solidified adhesion part 14 in the pouring nozzle 413 is removed, the grinding wheel 432 can be better attached to the inner wall of the pouring nozzle 413, the runner of the pouring nozzle 413 can be prevented from being changed in the cleaning process of the grinding wheel 432, the synchronous removal of the solidified adhesion part 14 in the pouring nozzle 413 can be ensured, and the removal efficiency is improved. It is worth pointing out that, because of the copper material of the adhesion portion 14, the grinding wheel 432 is preferably a grinding wheel, which can rapidly and thoroughly clean the solidified adhesion portion 14, and the structural design is more reasonable.
FIG. 5 is a structural view of the main body of the rotary clamping sleeve according to a preferred embodiment of the present invention; FIG. 6 is a schematic view of the gland of the rotary clamping sleeve according to a preferred embodiment of the present invention. As shown in fig. 3, 5 and 6, the rotary clamping sleeve 54 disposed on the tightening rotary driver 53 further includes a main body 541, a pressing cover 542 and a sliding shaft 543, the main body 541 and the pressing cover 542 are all cylindrical, the main body 541 is disposed in a barrel shape, a barrel mouth of the main body 541 faces upward, a barrel bottom of the main body 541 is opened with a necking 5411, a plurality of arc chutes 5412 are distributed on an inner sidewall of the main body 541 in an annular array, and an arrangement direction of the arc chutes 5412 is a direction extending from an inner side to an outer side of the main body 541, and a groove width of each arc chute 5412 is gradually increased along a direction extending from the inner side to the outer side of the main body 541, and each arc chute 5412 is communicated with a barrel inner cavity of the main body 541, meanwhile, the pressing cover 542 is stacked on the barrel mouth of the main body 541, the pressing cover 542 is connected to a rotating shaft of the tightening rotary driver 53, a plurality of positioning grooves 5421 corresponding to the arc chutes 5412 are disposed on a bottom surface of the pressing cover 542 in an annular array, the arrangement direction of the positioning slot 5421 is the same as that of the arc-shaped sliding slot 5412, and the positioning slot 5421 is a slot with the same width, the sliding shaft 543 is a cylinder, one end of the sliding shaft 543 is inserted into the positioning slot 5421, the other end of the sliding shaft 543 is inserted into the arc-shaped sliding slot 5412 and abuts against the throat 5411, so that in the process of screwing the rotary driver 53 to rotate, the pressing cover 542 drives the main body 541 to rotate, at this time, the sliding shaft 543 moves relative to the main body 541 in the arc-shaped sliding slot 5412 due to inertia, so that the sliding shaft 543 can move from the wide end of the arc-shaped sliding slot 5412 to the narrow end of the arc-shaped sliding slot 5412, so that the sliding shaft 543 approaches to the inner side of the main body 541, the top welding projection 12 or the bottom stitch 13 in the barrel inner cavity of the main body 541 is clamped and drives the rotation by the sliding shaft 543, thereby realizing the threaded connection with the rod body 11, and when the screwing the rotary driver 53 rotates reversely, the sliding shaft 543 can move from the end of the arc sliding slot 5412 with small slot width to the end with large slot width under the action of inertia, so that the sliding shaft 543 is spread out, thereby realizing the loosening of the top welding projection 12 or the bottom pin 13. In addition, the sliding shaft 543 can be effectively prevented from falling off through the necking 5411 and the positioning groove 5421, and the structural design is more reasonable.
More specifically, the frame 2 is further provided with a reversing device 6, at this time, the reversing device 6 further includes a reversing clamping jaw 61, a reversing rotary driver 62 and a reversing telescopic driver 63, one end of the reversing telescopic driver 63 is fixed on the frame 2, a telescopic shaft of the reversing telescopic driver 63 is arranged toward the station table 21, and the reversing rotary driver 62 is installed on the telescopic shaft of the reversing telescopic driver 63, so that the reversing telescopic driver 63 can drive the reversing rotary driver 62 to be close to or far from the station table 21, and meanwhile, the reversing clamping jaw 61 is installed on a rotating shaft of the reversing rotary driver 62, i.e., the reversing clamping jaw 61 can be close to or far from the station table 21 under the action of the reversing telescopic driver 63 and can rotate under the action of the reversing rotary driver 62, thereby turning the rod body 11 around, and providing conditions for respectively installing the top welding bulge 12 and the bottom stitch 13 at two ends of the rod body 11. It should be noted that after the top welding protrusion 12 or the bottom pin 13 is installed at one end of the rod 11 and before the station table 21 reversely rotates to the melting device 4, the two ends of the rod 11 need to be exchanged by moving to the reversing device 6, so that the automatic operation of the processing is realized, and the processing efficiency is improved.
The mass flow body and processing technology and equipment that this embodiment provided, set up 1 components of a whole that can function independently of the mass flow body and each position passes through threaded connection, the concatenation is realized in order to satisfy the production demand to the mass flow body 1 of the size of different specifications in each position of accessible different quantity and size, the suitability is better, and through set up adhesion portion 14 in the fit-up gap at the components of a whole that can function independently position and fill, the wholeness has both been improved, structural strength and current collection effect are better, in addition also provide the processing technology and the processing equipment of the mass flow body 1, not only made things convenient for the packing of adhesion portion 14, the automation mechanized operation of processing has still been realized, the machining efficiency is improved, the processing cost is reduced, do benefit to the manufacturing of the mass flow body 1.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A current collector, comprising: body of rod, top welding arch, the bottom stitch that the components of a whole that can function independently arranged, top welding arch with bottom stitch difference threaded connection in the both ends of the body of rod, simultaneously, top welding arch with between the body of rod and the bottom stitch with all be provided with adhesion portion between the body of rod, just adhesion portion is filled welding arch with between the body of rod and the bottom stitch with assembly gap between the body of rod, and, adhesion portion the body of rod top welding arch with the material of bottom stitch is the same, and, adhesion portion solidifies the formation after filling for heating melting.
2. The current collector of claim 1, wherein the material of the adhesive, the stem, the top solder bump, and the bottom pin is copper.
3. The current collector of claim 2, wherein threaded holes are respectively formed at two ends of the rod body, and threaded posts corresponding to the threaded holes are respectively arranged at two ends of the rod body, which are connected with the top welding protrusions and the bottom pins.
4. A process for manufacturing a current collector as claimed in claim 3, comprising the steps of:
step S1, processing a single part;
machining the rod body, the bottom pin and the top welding protrusion by adopting turning, grinding and cold forging independently or in combination, and machining the threaded holes at two ends of the rod body, the top welding protrusion and the threaded columns on the bottom pin;
s2, heating and melting the bonding part;
heating and melting the bonding part and storing the bonding part in a melting pot body;
s3, assembling;
selecting proper rod bodies, bottom pins and top welding bulges according to actual processing requirements, dripping the liquid-state bonding part in the melting pot body into the threaded hole in the rod body, screwing the threaded column of the top welding bulges on the rod body, dripping the bonding part into the threaded hole with the bonding part, extruding the bonding part into an assembly gap between the rod bodies and the threaded hole, and after the bonding part is cooled and solidified, installing the bottom pins on the threaded hole at the other end of the rod body in the same way;
s4, fine trimming;
removing the redundant adhesive part overflowing to the outside of the outer surface of the rod body through grinding processing to obtain a semi-finished product current collector;
s5, surface treatment;
electroplating the rod body of the semi-finished current collector after being processed in the step S4, and forming an oxide layer on the surface of the rod body to form a finished current collector;
s6, packaging and storing;
and (5) taking out the finished product current collector plated with the oxide layer in the step (S5), cleaning, drying, packaging and storing.
5. The current collector processing process according to claim 4, wherein the surface treatment process of step S5 is performed in an aqueous solution containing nitrate ions and indium ions, and the semi-finished current collector is a substrate.
6. A processing device of a current collector, which is used for the processing technology of claim 4 or 5, and is characterized by comprising:
the device comprises a rack, a plurality of processing stations and a plurality of clamping plates, wherein a station table is rotatably arranged on the rack, the plurality of processing stations are arranged on the station table at intervals, and each processing station is provided with one clamping plate;
the melting device is arranged on the rack and located beside the station table, the melting device is provided with a melting assembly, a pouring assembly and a cleaning assembly, the melting assembly is provided with the melting pot body, an electric heating wire is arranged outside the melting pot body, a pouring nozzle is arranged at the edge of the melting pot body, the pouring assembly comprises a hanging rod and a pouring telescopic driver, the hanging rod is arranged in a Y shape, the lower end of the hanging rod is fixed on the rack, the melting pot body is arranged in a fork at the upper end of the hanging rod, the edge of the melting pot body is hinged to the hanging rod, one end of the pouring telescopic driver is hinged to the rack, the other end of the pouring telescopic driver is hinged to the bottom of the melting pot body, and the cleaning assembly is arranged on the rack, arranged towards the pouring nozzle and can selectively extend into the pouring nozzle;
screw up the device, screw up the device set up in just be located in the frame the side of station platform, and follow on the rotation direction of station platform, screw up the device and be located melting device's rear, screw up the device and include support, vertical flexible driver, screw up rotary actuator and rotatory clamp sleeve, the bottom of support is fixed in the frame and its upper end extends to the top of station platform, vertical flexible driver install in the upper end of support and its telescopic shaft vertical arrangement down, screw up rotary actuator install in on the telescopic shaft of vertical flexible driver and its pivot towards the (holding) chuck setting, rotatory clamp sleeve install in screw up rotary actuator's in the pivot.
7. The current collector processing equipment according to claim 6, wherein the chuck plate is a pneumatic chuck plate, the chuck plate comprises a telescopic cylinder, a fixed pressing block and a telescopic pressing block, the fixed pressing block is fixed on the station table, one side of the telescopic pressing block, which is far away from the fixed pressing block, is connected to a telescopic shaft of the telescopic cylinder, and clamping grooves are formed in one sides, which are close to each other, of the telescopic pressing block and the fixed pressing block.
8. The processing apparatus for current collectors according to claim 6, wherein the cross section of the pouring nozzle is arranged in a V shape, the cleaning assembly includes a cleaning rotary driver, a grinding wheel and a cleaning telescopic driver, the cleaning telescopic driver is fixed on the frame, the telescopic shaft of the cleaning telescopic driver extends toward the pouring nozzle, the cleaning rotary driver is installed on the telescopic shaft of the cleaning telescopic driver, and simultaneously, the grinding wheel is installed on the rotating shaft of the cleaning rotary driver, and the cross section of the rim of the grinding wheel is consistent with the cross section of the pouring nozzle.
9. The processing equipment of the mass flow body of claim 6, characterized in that, rotatory clamping sleeve includes main part, gland and slide-spindle, the main part with the gland is cylindrical, the main part is the tubbiness setting, the bung hole of main part is arranged up, the throat has been seted up to the barrel head of main part, be annular array distribution on the inside wall of main part have a plurality of arc spouts, just the direction of arranging of arc spout is followed the inboard of main part is to the direction that extends to the outside, and, follow in the inboard of main part is to the direction that extends to the outside, each the groove width of arc spout increases gradually, and each the arc spout all with the bucket inner chamber intercommunication of main part, simultaneously, the gland stack set up in on the bung hole of main part, the gland connect in tighten rotary actuator's pivot, be on the bottom surface of gland be annular array be provided with a plurality of constant head tanks that the arc spout corresponds, the direction of arranging of constant head tank with the direction of arc spout is unanimous, just the constant head tank is the constant width groove, the slide-spindle is the cylinder, the one end of slide-spindle is inserted and is located in the arc spout inserts and leans on the throat locates and lie in the constant head tank.
10. The current collector machining equipment according to claim 6, further comprising a reversing device, wherein the reversing device further comprises a reversing clamping jaw, a reversing rotary driver and a reversing telescopic driver, one end of the reversing telescopic driver is fixed on the frame, a telescopic shaft of the reversing telescopic driver faces the station table, the reversing rotary driver is installed on the telescopic shaft of the reversing telescopic driver, and meanwhile, the reversing clamping jaw is installed on a rotating shaft of the reversing rotary driver.
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| CN202111179376.XA CN113937299B (en) | 2021-10-11 | 2021-10-11 | Current collector and processing technology and equipment thereof |
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| CN202111179376.XA CN113937299B (en) | 2021-10-11 | 2021-10-11 | Current collector and processing technology and equipment thereof |
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| CN102983336B (en) * | 2012-11-30 | 2016-01-20 | 宁波市鄞州精艺机电厂 | A kind of cathode current collector of alkaline manganese cell and preparation method thereof |
| CN204390910U (en) * | 2015-02-16 | 2015-06-10 | 李湘南 | Split type capacitor guide pin |
| CN207490015U (en) * | 2017-08-29 | 2018-06-12 | 深圳市动力源发展有限公司 | A kind of battery cathode collector and battery afflux liquid component and aciculiform battery |
| CN111490217A (en) * | 2020-04-10 | 2020-08-04 | 赤壁银轮工业换热器有限公司 | Copper bar assembly, battery module and copper bar assembly connecting method |
| CN212810074U (en) * | 2020-09-02 | 2021-03-26 | 广州金立电子有限公司 | Copper guide pin of electrolytic capacitor |
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