CN114171858A - Pole column structure of circular lithium ion battery - Google Patents
Pole column structure of circular lithium ion battery Download PDFInfo
- Publication number
- CN114171858A CN114171858A CN202111505428.8A CN202111505428A CN114171858A CN 114171858 A CN114171858 A CN 114171858A CN 202111505428 A CN202111505428 A CN 202111505428A CN 114171858 A CN114171858 A CN 114171858A
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- Prior art keywords
- insulating pad
- buckle
- lithium ion
- ion battery
- pole
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000003825 pressing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/179—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
- H01M50/188—Sealing members characterised by the disposition of the sealing members the sealing members being arranged between the lid and terminal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/564—Terminals characterised by their manufacturing process
- H01M50/567—Terminals characterised by their manufacturing process by fixing means, e.g. screws, rivets or bolts
-
- 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 discloses a pole structure of a circular lithium ion battery, which comprises a steel shell, wherein a through hole for mounting a pole body is formed in the steel shell, a lower insulating pad is mounted at the through hole of the steel shell, a lower buckle is arranged at the lower end of the lower insulating pad and clamped at the bottom of the steel shell, an upper buckle is arranged at the upper end of the lower insulating pad and used for fixedly clamping an aluminum ring, a sealing ring and an upper insulating pad are sleeved at the upper end of the pole body, and the pole body is clamped in a mounting hole in the center of the lower insulating pad; according to the invention, the upper and lower buckles are arranged on the upper insulating pad to realize clamping connection of the antipole column body and the steel shell, and the upper and lower buckles are riveted inside the steel shell, so that the assembling precision and excellent sealing performance can be ensured, and the invention is suitable for the pole column structure of the round lithium ion battery.
Description
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to a pole structure of a circular lithium ion battery.
Background
Lithium ion batteries have the advantages of light weight, high voltage, long charge and discharge life, low self-discharge rate, wide working temperature range and the like, and are widely applied to the fields of digital cameras, mobile phones, electric tools and the like. With the development and maturity of electric vehicle technology, the lithium ion battery technology for automobiles has become the core technology of electric vehicles and becomes the main attack direction of most new energy automobile enterprises.
The battery of the electric automobile has a severe service environment and has high requirements on the safety performance of the lithium ion battery. In the lithium ion batteries adopted by the existing electric automobiles, the single batteries with large capacity are not used much, and the single batteries with slightly large capacity mainly adopt a method of extruding a pole, a sealing washer and a battery cover plate to seal the pole, so that the stability of the extrusion type mounting structure is poor, and the sealing performance of the lithium ion batteries is influenced.
Disclosure of Invention
The invention aims to provide a pole column structure of a circular lithium ion battery, wherein an upper insulating pad and a lower insulating pad are provided with upper and lower buckles to clamp a pole column body and a steel shell, and the pole column body and the steel shell are riveted inside the steel shell, so that the assembling precision and the excellent sealing performance can be ensured, and the pole column structure is suitable for the pole column structure of the circular lithium ion battery.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a circular lithium ion battery's utmost point post structure, includes the box hat, be provided with the through-hole that is used for installing utmost point post body on the box hat, insulating pad under the through-hole department of box hat is installed, and insulating pad lower extreme is provided with down the buckle, and lower buckle joint is in the bottom of box hat, and lower insulating pad upper end is provided with the buckle, goes up the buckle and is used for fixed joint aluminium circle, and utmost point post body upper end cover is equipped with the sealing washer and goes up insulating pad, and utmost point post body joint is on the mounting hole at insulating pad center down.
As a further scheme of the invention: the upper buckle is of an L-shaped or T-shaped structure.
As a further scheme of the invention: the upper buckle is fixedly connected with the aluminum ring in a rubber coating mode.
As a further scheme of the invention: the upper buckle is fixedly connected with the aluminum ring in an ultrasonic hot melting mode.
As a further scheme of the invention: the assembly sequence of the pole structure is as follows:
s1: buckling an aluminum ring on an upper buckle of the lower insulating pad on the assembling jig;
s2: placing the steel shell on an assembly jig, buckling a lower insulating pad buckled with an aluminum ring on the steel shell, and clamping the steel shell through a lower buckle on the lower insulating pad;
s3: sequentially mounting a sealing ring and an upper insulating pad on the pole body, and placing the assembled pole body on an assembling jig;
s4: the assembled pole body is installed on a lower insulating pad of the steel shell through the assembling jig, and then the pole body and the lower insulating pad are riveted together to obtain a finished pole structure.
As a further scheme of the invention: in step S1, the assembling jig simultaneously takes out the aluminum ring and the lower insulating pad, and presses the aluminum ring onto the upper buckle of the lower insulating pad.
As a further scheme of the invention: in the step S2, the lower buckle and the steel shell are connected in an interference fit mode.
As a further scheme of the invention: in the step S3, the upper insulating pad is in clearance fit with the pole body, and the sealing ring is located between the lower buckle and the upper insulating pad.
As a further scheme of the invention: in the step S4, the outer ring of the pole body and the inner ring of the lower insulating pad are in transition fit connection.
As a further scheme of the invention: the assembling jig comprises a seat plate, an assembling table plate used for placing a steel shell is fixedly arranged in the middle of the seat plate, a lower assembling component used for assembling the pole body is arranged below the assembling table plate, and an upper assembling component used for assembling a lower insulating pad is arranged above the assembling table plate.
As a further scheme of the invention: the lower assembly component comprises a bottom plate fixedly mounted on the seat plate, a first air cylinder is fixedly mounted at the lower end of the bottom plate, and a top plate is fixedly connected with the output end of the first air cylinder.
As a further scheme of the invention: the upper assembling assembly comprises an upper assembling table and a taking mechanism, the upper assembling table is used for placing the lower insulating pad, and the taking mechanism is used for clamping and taking down the insulating pad and the aluminum ring.
As a further scheme of the invention: the upper assembling table comprises two groups of L-shaped seat plates which are symmetrically arranged, a third cylinder is fixedly mounted on each L-shaped seat plate, an output end of each third cylinder is fixedly connected with an L-shaped bedplate, and the L-shaped bedplate is slidably connected onto the L-shaped seat plates.
As a further scheme of the invention: get a mechanism and include aluminium circle assembly subassembly and insulating pad assembly subassembly, aluminium circle assembly subassembly is used for pressing from both sides to get the assembly aluminium circle, and insulating pad assembly subassembly is used for pressing from both sides to get and lays lower insulating pad.
The invention has the beneficial effects that:
(1) the upper insulating pad is provided with the upper buckle and the lower buckle to realize clamping connection of the antipodal column body and the steel shell, and the steel shell is riveted inside, so that the assembling precision and excellent sealing performance can be guaranteed, and the cylindrical lithium ion battery is suitable for the polar column structure of the circular lithium ion battery.
(2) The pole column structure is assembled by adopting a special assembly jig, so that the assembly precision is ensured, and the assembly efficiency is improved, thereby reducing the production cost.
(3) Drive the lead screw through first motor and rotate, utilize the driven principle of lead screw to drive the lead screw seat along gag lever post reciprocating sliding to drive the change-over panel and move on the horizontal direction, realize insulating pad and aluminium circle centre gripping to the last assembly bench down, utilize the second motor to drive the change-over panel and rotate, realize insulating pad and aluminium circle equipment position's conversion down, realize rapid Assembly.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a pole body of the present invention;
FIG. 2 is a schematic view of a first structure of the upper buckle of the present invention;
FIG. 3 is a schematic view of a second structure of the upper buckle of the present invention;
FIG. 4 is a third structural view of the upper buckle of the present invention;
FIG. 5 is a schematic structural diagram of the assembly jig of the present invention;
FIG. 6 is an enlarged view of a portion of the invention at A in FIG. 5;
fig. 7 is a partial enlarged view of the invention at B in fig. 5.
In the figure: 1. a steel shell; 2. a lower insulating pad; 201. an upper buckle; 202. a lower buckle; 3. a pole body; 4. a seal ring; 5. an upper insulating pad; 6. an aluminum ring; 7. a seat plate; 8. a base plate; 9. a first cylinder; 10. a guide bar; 11. a top plate; 12. a limiting bump; 13. assembling the bedplate; 14. a vertical plate; 15. a second cylinder; 16. a limiting pressure plate; 17. an upper assembly table; 18. an L-shaped seat plate; 19. a third cylinder; 20. an L-shaped platen; 21. a U-shaped seat; 22. a first motor; 23. a screw rod; 24. a limiting rod; 25. a screw base; 26. a second motor; 27. a conversion plate; 28. a fourth cylinder; 29. a first cylinder block; 30. a first double-ended cylinder; 31. an aluminum ring clamping plate; 32. a fifth cylinder; 33. a second cylinder block; 34. a second double-headed cylinder; 35. insulating pad splint.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention is a pole structure of a circular lithium ion battery, including a steel shell 1, the steel shell 1 is provided with a through hole for installing a pole body 3, the through hole of the steel shell 1 is provided with a lower insulating pad 2, the lower end of the lower insulating pad 2 is provided with a lower buckle 202, the lower buckle 202 is clamped at the bottom of the steel shell 1, the upper end of the lower insulating pad 2 is provided with an upper buckle 201, the upper buckle 201 is used for fixedly clamping an aluminum ring 6, the upper end of the pole body 3 is sleeved with a sealing ring 4 and an upper insulating pad 5, and the pole body 3 is clamped at a mounting hole at the center of the lower insulating pad 2. The upper buckle 201 is in an L-shaped or T-shaped structure.
Referring to fig. 3, the upper buckle 201 is fixedly connected to the aluminum ring 6 by means of encapsulation.
Referring to fig. 4, the upper buckle 201 is fixedly connected to the aluminum ring 6 by ultrasonic hot melting.
The assembly sequence of the pole structure is as follows:
s1: buckling an aluminum ring 6 on an upper buckle 201 of the lower insulating pad 2 on the assembling jig;
s2: placing the steel shell 1 on an assembly jig, buckling the lower insulating pad 2 buckled with the aluminum ring 6 on the steel shell 1, and clamping the steel shell 1 through a lower buckle 202 on the lower insulating pad 2;
s3: sequentially mounting a sealing ring 4 and an upper insulating pad 5 on the pole body 3, and placing the assembled pole body 3 on an assembling jig;
s4: install post body 3 after the assembly on steel casing 1's lower insulating pad 2 through the assembly tool, obtain finished product post structure with post body 3 and lower insulating pad 2 riveting together afterwards.
In step S1, the assembling jig simultaneously takes out the aluminum ring 6 and the lower insulating pad 2, and presses the aluminum ring 6 into the upper hook 201 of the lower insulating pad 2.
In step S2, the lower clip 202 is connected to the steel shell 1 by interference fit.
In step S3, the upper insulating pad 5 is in clearance fit with the pole body 3, and the sealing ring 4 is located between the lower buckle 202 and the upper insulating pad 5.
In the step S4, the outer ring of the pole body 3 and the inner ring of the lower insulating pad 2 are in transition fit connection.
Referring to fig. 5, the assembling jig includes a seat plate 7, an assembling platen 13 for placing the steel shell 1 is fixedly arranged in the middle of the seat plate 7, a lower assembling component for assembling the post body 3 is arranged below the assembling platen 13, an upper assembling component for assembling the lower insulating pad 2 is arranged above the assembling platen 13, a through hole for assembling the post body 3 is arranged in the center of the assembling platen 13, two sets of vertical plates 14 are symmetrically arranged on the assembling platen 13, a second cylinder 15 is horizontally and fixedly installed on the vertical plates 14, an output end of the second cylinder 15 is fixedly connected with a limiting pressure plate 16, and the limiting pressure plate 16 is used for clamping the steel shell 1 on the assembling platen 13, so that the lower insulating pad 2 and the post body 3 can be conveniently installed on the steel shell 1.
Lower assembly subassembly includes bottom plate 8 of fixed mounting on bedplate 7, 8 lower extreme fixed mounting of bottom plate has first cylinder 9, the output fixedly connected with roof 11 of first cylinder 9, it is provided with two sets of guide bar 10 to slide to run through on the bottom plate 8, guide bar 10 upper end fixed connection is on roof 11, roof 11 upper end central point puts the fixed spacing lug 12 that is provided with, the structure of spacing lug 12 and the recess phase-match that 3 bottoms of utmost point post body set up, place utmost point post body 3 and can ensure the accuracy of its position on spacing lug 12, thereby be convenient for assemble utmost point post body 3 on insulating pad 2 down.
Go up the assembly subassembly and include assembly bench 17 and get a mechanism, go up assembly bench 17 and be used for putting down insulating pad 2, get a mechanism and be used for pressing from both sides and take off insulating pad 2 and aluminium circle 6.
The upper assembling table 17 comprises two groups of L-shaped seat plates 18 which are symmetrically arranged, a third cylinder 19 is fixedly installed on each L-shaped seat plate 18, an L-shaped bedplate 20 is fixedly connected to the output end of each third cylinder 19, and the L-shaped bedplate 20 is connected to the L-shaped seat plates 18 in a sliding mode.
Get a mechanism and include aluminium circle assembly subassembly and insulating pad assembly subassembly, aluminium circle assembly subassembly is used for pressing from both sides and gets assembly aluminium circle 6, and insulating pad assembly subassembly is used for pressing from both sides and gets and lay insulating pad 2 down. Get a mechanism and still including U type seat 21, U type seat 21 fixed mounting is on bedplate 7, rotate on U type seat 21 and install lead screw 23, fixed mounting has gag lever post 24 on U type seat 21, gag lever post 24 and lead screw 23 parallel arrangement just are located lead screw 23 below, fixed mounting has first motor 22 on U type seat 21, the output and the lead screw 23 fixed connection of first motor 22, threaded connection has lead screw seat 25 on the lead screw 23, lead screw seat 25 sliding connection is on gag lever post 24, lead screw seat 25 lower extreme fixed mounting has second motor 26, the output fixed mounting of second motor 26 has conversion board 27, aluminum ring assembly is installed to conversion board 27 one end, insulating pad assembly is installed to the other end of conversion board 27.
Drive lead screw 23 through first motor 22 and rotate, utilize the driven principle of lead screw to drive lead screw seat 25 along gag lever post 24 reciprocating sliding to drive change-over plate 27 and move on the horizontal direction, realize insulating pad 2 and aluminium circle 6 centre gripping down to last assembly bench 17, utilize second motor 26 to drive change-over plate 27 and rotate, realize the conversion to insulating pad 2 and aluminium circle 6 equipment position down, realize rapid Assembly.
Please refer to fig. 6, the aluminum ring assembly includes a fourth cylinder 28, the fourth cylinder 28 is fixedly installed on the converting plate 27, an output end of the fourth cylinder 28 is fixedly connected with a first cylinder seat 29, a first double-head cylinder 30 is fixedly installed at a lower end of the first cylinder seat 29, two output ends of the first double-head cylinder 30 are both fixedly installed with an aluminum ring clamping plate 31, the aluminum ring clamping plate 31 is of a Z-shaped structure, so that the aluminum ring 6 can be conveniently clamped and simultaneously the aluminum ring 6 can be limited and pressed down when being installed.
Referring to fig. 7, the insulating pad assembling assembly includes a fifth cylinder 32, the fifth cylinder 32 is fixedly installed on the converting plate 27, an output end of the fifth cylinder 32 is fixedly connected with a second cylinder block 33, a lower end of the second cylinder block 33 is fixedly installed with a second double-headed cylinder 34, two output ends of the second double-headed cylinder 34 are both fixedly installed with insulating pad clamping plates 35, and the insulating pad clamping plates 35 are used for clamping the lower insulating pad 2.
The working principle of the invention is as follows: the first motor 22 drives the screw rod 23 to rotate, the screw rod seat 25 is driven to slide back and forth along the limiting rod 24 by utilizing the principle of screw rod transmission, so that the conversion plate 27 is driven to move in the horizontal direction, the conversion plate 27 moves to the position for storing the lower insulating pad 2 and the aluminum ring 6, the fourth cylinder 28 drives the first cylinder seat 29 to move downwards, the first double-head cylinder 30 drives the two groups of aluminum ring clamping plates 31 to move, the two groups of aluminum ring clamping plates 31 are propped against the inner side wall of the aluminum ring 6, and the fourth cylinder 28 drives the aluminum ring 6 to reset upwards after the aluminum ring 6 is clamped; the fifth cylinder 32 drives the second cylinder seat 33 to move downwards, the second double-head cylinder 34 drives the two groups of insulating pad clamping plates 35 to clamp the lower insulating pad 2, then the fifth cylinder 32 drives the lower insulating pad 2 to reset upwards, the first motor 22 drives the conversion plate 27 to move above the upper assembling table 17, two groups of L-shaped bedplate 20 are driven to fold by two groups of third air cylinders 19, then the lower insulating pad 2 is driven to move downwards by a fifth air cylinder 32, the lower insulating pad 2 is placed on the folded L-shaped bedplate 20, the second motor 26 drives the conversion plate 27 to rotate, the first motor 22 adjusts the position of the conversion plate 27, the aluminum ring 6 clamped on the first double-head cylinder 30 is positioned right above the lower insulating pad 2, then the fourth cylinder 28 drives the aluminum ring 6 to move downwards, the aluminum ring 6 is installed on the lower insulating pad 2, and the aluminum ring 6 is clamped through an upper buckle 201 arranged on the lower insulating pad 2; after the aluminum ring 6 is installed, the first double-head cylinder 30 drives an aluminum ring clamping plate 31 to clamp the aluminum ring 6 and the lower insulating pad 2, the third cylinder 19 drives the L-shaped platen 20 to move outwards, the steel shell 1 is placed on the assembling platen 13, the second cylinder 15 drives the limiting pressure plate 16 to move towards the steel shell 1, the steel shell 1 is clamped through the limiting pressure plate 16, then the fourth cylinder 28 drives the aluminum ring 6 and the lower insulating pad 2 to move downwards, the lower insulating pad 2 is clamped on the steel shell 1, and the steel shell 1 is clamped through a lower buckle 202 arranged on the lower insulating pad 2; place utmost point post body 3 on roof 11, roof 11 upper end central point puts the fixed spacing lug 12 that is provided with, the structure of spacing lug 12 and the recess phase-match that utmost point post body 3 bottom set up, place utmost point post body 3 and can ensure the accuracy of its position on spacing lug 12, install sealing washer 4 and last insulating pad 5 on utmost point post body 3 in proper order afterwards, the installation is accomplished the back on utmost point post body 3, first cylinder 9 drives roof 11 rebound, it inserts in insulating pad 2 down to drive utmost point post body 3 rebound, obtain finished product utmost point post structure together with insulating pad 2 riveting down with utmost point post body 3 at last.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. The utility model provides a circular lithium ion battery's utmost point post structure, a serial communication port, including steel casing (1), be provided with the through-hole that is used for installing utmost point post body (3) on steel casing (1), insulating pad (2) are installed down in the through-hole department of steel casing (1), insulating pad (2) lower extreme is provided with down buckle (202) down, buckle (202) joint is in the bottom of steel casing (1) down, insulating pad (2) upper end is provided with buckle (201) down, it is used for fixed joint aluminium circle (6) to go up buckle (201), utmost point post body (3) upper end cover is equipped with sealing washer (4) and last insulating pad (5), utmost point post body (3) joint is on the mounting hole at insulating pad (2) center down.
2. The pole structure of the circular lithium ion battery according to claim 1, wherein the upper buckle (201) is in an L-shaped or T-shaped structure.
3. The pole structure of the circular lithium ion battery according to claim 1, wherein the upper buckle (201) is fixedly connected with the aluminum ring (6) in a rubber-coated manner.
4. The pole structure of the circular lithium ion battery according to claim 1, wherein the upper buckle (201) is fixedly connected with the aluminum ring (6) in an ultrasonic hot melting manner.
5. The pole structure of the circular lithium ion battery according to claim 1, wherein the assembly sequence of the pole structure is as follows:
s1: buckling an aluminum ring (6) on an upper buckle (201) of the lower insulating pad (2) on the assembling jig;
s2: the steel shell (1) is placed on an assembly jig, a lower insulating pad (2) buckled with an aluminum ring (6) is buckled on the steel shell (1), and the steel shell (1) is clamped through a lower buckle (202) on the lower insulating pad (2);
s3: sequentially mounting a sealing ring (4) and an upper insulating pad (5) on the pole body (3), and placing the assembled pole body (3) on an assembling jig;
s4: the assembled pole body (3) is installed on the lower insulating pad (2) of the steel shell (1) through the assembling jig, and then the pole body (3) and the lower insulating pad (2) are riveted together to obtain a finished pole structure.
6. The pole structure of the round lithium ion battery according to claim 5, wherein in the step S1, the assembling jig simultaneously takes out the aluminum ring (6) and the lower insulating pad (2), and presses the aluminum ring (6) onto the upper buckle (201) of the lower insulating pad (2).
7. The pole structure of the round lithium ion battery according to claim 5, wherein in the step S2, the lower buckle (202) is connected with the steel shell (1) in an interference fit manner.
8. The pole structure of the circular lithium ion battery according to claim 5, wherein in the step S3, the upper insulating pad (5) is in clearance fit with the pole body (3), and the sealing ring (4) is located between the lower buckle (202) and the upper insulating pad (5).
9. The pole structure of the circular lithium ion battery according to claim 5, wherein in the step S4, the outer ring of the pole body (3) and the inner ring of the lower insulating pad (2) are in transition fit connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505428.8A CN114171858B (en) | 2021-12-10 | 2021-12-10 | Pole structure of circular lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505428.8A CN114171858B (en) | 2021-12-10 | 2021-12-10 | Pole structure of circular lithium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114171858A true CN114171858A (en) | 2022-03-11 |
| CN114171858B CN114171858B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111505428.8A Active CN114171858B (en) | 2021-12-10 | 2021-12-10 | Pole structure of circular lithium ion battery |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200993973Y (en) * | 2006-11-28 | 2007-12-19 | 北京有色金属研究总院 | Metal casing secondary cell post seal insulating structure |
| JP2008159357A (en) * | 2006-12-22 | 2008-07-10 | Matsushita Electric Ind Co Ltd | Cylindrical secondary battery |
| CN201466087U (en) * | 2009-06-11 | 2010-05-12 | 天津力神电池股份有限公司 | Lithium-ion battery cathode-post riveting sealing structure |
| CN204361138U (en) * | 2014-12-16 | 2015-05-27 | 天津神鹿能源有限公司 | A kind of cylindrical lithium ion battery end cover structure |
| JP2016225014A (en) * | 2015-05-27 | 2016-12-28 | 日立オートモティブシステムズ株式会社 | Cylindrical secondary battery |
| CN108565511A (en) * | 2018-04-18 | 2018-09-21 | 浙江谷神能源科技股份有限公司 | A kind of cylindrical lithium ion battery with dual security protection |
| CN109037505A (en) * | 2018-06-11 | 2018-12-18 | 合肥力翔电池科技有限责任公司 | A kind of explosion-proof type cylindrical high-capacity aluminum formula lithium battery cover plate |
| CN210379323U (en) * | 2019-07-26 | 2020-04-21 | 苏州安靠电源有限公司 | Cylindrical battery |
| US20200136097A1 (en) * | 2017-07-20 | 2020-04-30 | Sanyo Electric Co., Ltd. | Cylindrical battery |
| CN214099682U (en) * | 2020-12-18 | 2021-08-31 | 东莞凯德新能源有限公司 | Cylindrical single battery |
-
2021
- 2021-12-10 CN CN202111505428.8A patent/CN114171858B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200993973Y (en) * | 2006-11-28 | 2007-12-19 | 北京有色金属研究总院 | Metal casing secondary cell post seal insulating structure |
| JP2008159357A (en) * | 2006-12-22 | 2008-07-10 | Matsushita Electric Ind Co Ltd | Cylindrical secondary battery |
| CN201466087U (en) * | 2009-06-11 | 2010-05-12 | 天津力神电池股份有限公司 | Lithium-ion battery cathode-post riveting sealing structure |
| CN204361138U (en) * | 2014-12-16 | 2015-05-27 | 天津神鹿能源有限公司 | A kind of cylindrical lithium ion battery end cover structure |
| JP2016225014A (en) * | 2015-05-27 | 2016-12-28 | 日立オートモティブシステムズ株式会社 | Cylindrical secondary battery |
| US20200136097A1 (en) * | 2017-07-20 | 2020-04-30 | Sanyo Electric Co., Ltd. | Cylindrical battery |
| CN108565511A (en) * | 2018-04-18 | 2018-09-21 | 浙江谷神能源科技股份有限公司 | A kind of cylindrical lithium ion battery with dual security protection |
| CN109037505A (en) * | 2018-06-11 | 2018-12-18 | 合肥力翔电池科技有限责任公司 | A kind of explosion-proof type cylindrical high-capacity aluminum formula lithium battery cover plate |
| CN210379323U (en) * | 2019-07-26 | 2020-04-21 | 苏州安靠电源有限公司 | Cylindrical battery |
| CN214099682U (en) * | 2020-12-18 | 2021-08-31 | 东莞凯德新能源有限公司 | Cylindrical single battery |
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| Publication number | Publication date |
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| CN114171858B (en) | 2024-03-29 |
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