CN112886045A - Automatic punching and detecting equipment for insulating sheet of columnar lithium battery - Google Patents
Automatic punching and detecting equipment for insulating sheet of columnar lithium battery Download PDFInfo
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- CN112886045A CN112886045A CN202110046716.5A CN202110046716A CN112886045A CN 112886045 A CN112886045 A CN 112886045A CN 202110046716 A CN202110046716 A CN 202110046716A CN 112886045 A CN112886045 A CN 112886045A
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- punching
- die holder
- insulating sheet
- rectangular
- cylindrical
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to the field of battery production, in particular to automatic punching and detecting equipment for a cylindrical lithium battery insulating sheet, which comprises an unwinding assembly; a winding component; the punching detection assembly comprises a punching mechanism and a short circuit detection mechanism, the punching mechanism comprises a lower die holder arranged above the rotary table, an upper die holder positioned right above the lower die holder and a punching head arranged on the upper die holder, the short circuit detection mechanism comprises a detection upper contact, a lifting cylinder and a grounding lower contact, and the detection upper contact is integrally arranged in the punching head; the carriers are evenly distributed along the circumferential direction of the rotary table, and each carrier is provided with an avoidance through hole which is longitudinally communicated. The carousel station of this device has integrateed the insulating piece simultaneously and has dashed and put and follow-up two kinds of functions that detect, has realized dashing the in-process of putting to the insulating piece and has carried out the function that the short circuit detected in step, and simple structure is ingenious simultaneously, unites two into one the effectual production efficiency that has promoted with two processes.
Description
Technical Field
The invention relates to the field of battery production, in particular to automatic punching and detecting equipment for an insulating sheet of a columnar lithium battery.
Background
The cylindrical battery is a battery with high capacity, long cycle life and wide use environment temperature. The product is applied to solar lamps, lawn lamps, backup energy sources, electric tools, toy models and photovoltaic energy sources.
The cylindrical battery is divided into different systems of lithium iron phosphate, lithium cobaltate, lithium manganate and cobalt manganese mixed ternary materials, the shell is divided into a steel shell and a polymer, and batteries with different material systems have different advantages. The lithium iron battery mainly comprises a cylindrical iron phosphate lithium battery with a steel shell, and has the advantages of high capacity, high output voltage, good charge-discharge cycle performance, stable output voltage, capability of discharging with large current, electrochemical stability, safety in use (combustion or explosion caused by improper operations such as overcharge, overdischarge, short circuit and the like), wide working temperature range and environmental friendliness. The energy-saving lamp is widely applied to solar lamps, lawn lamps, backup energy sources, electric tools and toy models.
In the actual production process of cylinder battery, adopt the carousel formula workstation to produce it usually, be equipped with a plurality of station in proper order around the carousel station again and be used for carrying out unmovable production technology, in traditional production processes, need accomplish the process of putting that the cylinder battery carries out the top insulating piece in the front end station earlier, come next station along with the rotation of carousel again and carry out the short circuit detection, intangibly increased a process more to actual production efficiency has caused the influence.
Disclosure of Invention
In order to solve the technical problem, the automatic punching and detecting equipment for the insulating sheet of the columnar lithium battery is provided.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the invention provides automatic punching, releasing and detecting equipment for an insulating sheet of a columnar lithium battery, which comprises a rotary table and an unwinding assembly, wherein the unwinding assembly is arranged beside the rotary table and is used for gradually unwinding an insulating sheet coil;
the winding assembly is arranged beside the rotary table and used for winding one end of the insulating sheet material roll;
the punching detection assembly is arranged beside the rotary table and positioned between the unwinding mechanism and the winding mechanism, the punching detection assembly comprises a punching mechanism and a short circuit detection mechanism, the punching mechanism comprises a lower die holder arranged above the rotary table, an upper die holder arranged right above the lower die holder and a punching head arranged on the upper die holder, the short circuit detection mechanism comprises a detection upper contact, a lifting cylinder arranged below the rotary table and a grounding lower contact arranged at the top output end of the lifting cylinder, and the detection upper contact is integrally arranged in the punching head;
the carriers are evenly distributed along the circumferential direction of the rotary table, each carrier is used for bearing a single cylindrical battery, and the bottom of each carrier is provided with an avoiding through hole which is longitudinally communicated and used for enabling the lower joint to penetrate upwards.
Stamping mechanism still includes first supporting seat, punching press cylinder and a plurality of connecting rod, and first supporting seat is the fixed setting of vertical state, and the fixed rectangle roof that is provided with in top of first support group, and all connecting rods all are vertical state evenly distributed in the below of rectangle roof, the upper and lower end of every connecting rod is equallyd divide do not with rectangle roof and die holder fixed connection, and every connecting rod all passes the upper die base, and the punching press cylinder is fixed to be set up on the rectangle roof, the output of punching press cylinder pass the rectangle roof downwards and with the center of upper die base department fixed connection.
The fixed rectangle boss that is provided with in top of die holder, the fixed clamp plate that is used for supplying insulating material to roll up the material and pass through that is provided with in top of rectangle boss, one side both ends of rectangle boss are equallyd divide and do not are equipped with the extension spring, spacer pin and L type roof, the spacer pin is horizontal fixed the inserting and locates in the lateral wall of rectangle boss, the extension spring cover is located on the spacer pin, L type roof is the level setting and its minor face movable sleeve locates on the spacer pin, the one end of extension spring is fixed to be inserted in locating in the lateral wall of rectangle boss, the other end is fixed to be inserted on locating the minor face of L type roof, the long limit horizontal of L type roof passes the clamp plate and supports tight way clamp plate inboard insulating material book, the center department of die holder and.
The fixed rectangle hanger plate that is provided with in bottom of upper die base, be equipped with two layering that are the symmetric state and distribute and be used for compressing tightly insulating material book downwards under the rectangle hanger plate, the top of every layering is all fixed and is provided with two vertical guiding axles, the rectangle hanger plate is all upwards passed to the upper end of every guiding axle, the embedded wear-resisting cover that is equipped with a plurality of and is used for supplying the guiding axle to pass of rectangle hanger plate, the upper end of every guiding axle all is equipped with and is used for preventing from preventing the board of preventing that self breaks away from the wear-resisting cover, all the cover is equipped with a spring on every guiding axle, the upper and lower end of spring is contradicted rectangle.
The bottom of carrier is equipped with the cylinder location portion of embedding revolving stage downwards, dodge the through-hole and follow the axial of carrier is link up to dodge the first half of through-hole and be used for holding the cylinder battery, lower half aperture is less than first half aperture, dodges the activity of the inboard step department of through-hole and is provided with a circular backup pad that is used for upwards supporting the cylinder battery.
The ground contact is of a rod-shaped structure, the diameter of the ground contact is smaller than the diameter of the lower half part of the avoiding through hole, the ground contact is made of a conductor material, and a ground conducting wiring socket is arranged at the lower end of the ground contact.
The upper detection contact is fixedly arranged in the punching head and provided with a conductive socket, and the conductive socket is positioned on the side wall of the rectangular hanging plate.
Unwinding mechanism includes second supporting seat, inflatable shaft, charging tray, bearing frame, rotating electrical machines and charging tray, and the second supporting seat is the fixed setting of vertical state, and the bearing frame is fixed to be set up in the first half of second supporting seat, and the rotating electrical machines is fixed to be set up in one side of second supporting seat, and the inflatable shaft is the level and sets up in the opposite side of second supporting seat, and the one end of inflatable shaft and rotating electrical machines's output shaft fixed connection, and the outside of inflatable shaft is located to the charging tray cover.
The bottom of die holder is equipped with and is used for dodging the arc of cylinder battery upper end and dodges logical groove.
And the bottom of the underground contact is provided with a cylindrical sleeve which is sleeved on the output shaft of the lifting cylinder, and the cylindrical sleeve is fixedly connected with the output shaft of the lifting cylinder through a pin.
The invention has the beneficial effects that: the carousel station of this device has integrateed the insulating piece simultaneously and has dashed and put and follow-up two kinds of functions that detect, has realized dashing the in-process of putting to the insulating piece and has carried out the function that the short circuit detected in step, and simple structure is ingenious simultaneously, unites two into one the effectual production efficiency that has promoted with two processes.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic plan view of the present invention.
Fig. 3 is a sectional view of a planar structure of the present invention.
Fig. 4 is a partially-structured first schematic exploded perspective view of the stamping mechanism of the present invention.
Fig. 5 is an enlarged schematic view of the structure at B in fig. 4.
Fig. 6 is a partially exploded perspective view of the second stamping mechanism according to the present invention.
FIG. 7 is a bottom view of the upper die holder of the present invention.
Fig. 8 is a plan sectional view taken along line C-C in fig. 7.
Fig. 9 is a plan sectional view taken along line a-a in fig. 2.
The reference numbers in the figures are:
1-a turntable; 2, unwinding the assembly; 3, winding the component; 4-punching and releasing the detection assembly; 5-a lower die holder; 6, an upper die holder; 7-punching and releasing the head; 8-detecting the upper contact; 9-lifting the cylinder; 10-a grounded lower contact; 11-a carrier; 12-cylindrical batteries; 13-avoiding the through hole; 14-a first support; 15-a stamping cylinder; 16-a connecting rod; 17-a rectangular top plate; 18-a rectangular boss; 19-pressing plate; 20-a tension spring; 21-a limit pin; a 22-L shaped top plate; 23-a cylindrical through hole; 24-a rectangular hanger plate; 25-pressing a strip; 26-a guide shaft; 27-wear resistant sleeve; 28-anti-falling plate; 29-a spring; 30-a cylindrical positioning portion; 31-a circular support plate; 32-ground connection sockets; 33-a conductive socket; 34-a second support seat; 35-inflatable shaft; 36-a tray; 37-a bearing seat; 38-a rotating electrical machine; 39-arc avoiding through grooves; 40-cylindrical sleeve; 41-a pin; 42-insulating sheet roll.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As a preferred embodiment of the present invention, the present invention provides an automatic punching, releasing and detecting device for an insulation sheet of a cylindrical lithium battery, which includes a turntable, and further includes:
the unwinding assembly is arranged beside the rotary table and used for gradually unwinding the insulating sheet material roll;
the winding assembly is arranged beside the rotary table and used for winding one end of the insulating sheet material roll;
the punching detection assembly is arranged beside the rotary table and positioned between the unwinding mechanism and the winding mechanism, the punching detection assembly comprises a punching mechanism and a short circuit detection mechanism, the punching mechanism comprises a lower die holder arranged above the rotary table, an upper die holder arranged right above the lower die holder and a punching head arranged on the upper die holder, the short circuit detection mechanism comprises a detection upper contact, a lifting cylinder arranged below the rotary table and a grounding lower contact arranged at the top output end of the lifting cylinder, and the detection upper contact is integrally arranged in the punching head;
the carriers are evenly distributed along the circumferential direction of the rotary table, each carrier is used for bearing a single cylindrical battery, and the bottom of each carrier is provided with an avoiding through hole which is longitudinally communicated and used for enabling the lower joint to penetrate upwards.
Stamping mechanism still includes first supporting seat, punching press cylinder and a plurality of connecting rod, and first supporting seat is the fixed setting of vertical state, and the fixed rectangle roof that is provided with in top of first support group, and all connecting rods all are vertical state evenly distributed in the below of rectangle roof, the upper and lower end of every connecting rod is equallyd divide do not with rectangle roof and die holder fixed connection, and every connecting rod all passes the upper die base, and the punching press cylinder is fixed to be set up on the rectangle roof, the output of punching press cylinder pass the rectangle roof downwards and with the center of upper die base department fixed connection.
During this automatic dashing of column lithium cell insulating piece was put and check out test set, the carousel station of this device has integrateed the insulating piece simultaneously and has dashed and put and follow-up two kinds of functions that detect, has realized dashing the in-process of putting to the insulating piece and has carried out the function that the short circuit detected in step, and simple structure is ingenious simultaneously, unites two into one the effectual production efficiency that has promoted with two processes.
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1 to 9, the automatic punching, releasing and detecting device for the insulation sheet of the cylindrical lithium battery comprises a turntable 1, and further comprises,
the unwinding assembly 2 is arranged beside the rotary table 1 and is used for gradually unwinding the insulating sheet material roll 42;
the winding assembly 3 is arranged beside the rotary table 1 and is used for winding one end of the insulating sheet material roll 42 which is discharged;
the punching detection assembly 4 is arranged beside the rotary table 1 and located between the unwinding mechanism and the winding mechanism, the punching detection assembly 4 comprises a punching mechanism and a short circuit detection mechanism, the punching mechanism comprises a lower die holder 5 arranged above the rotary table 1, an upper die holder 6 arranged right above the lower die holder 5 and a punching head 7 arranged on the upper die holder 6, the short circuit detection mechanism comprises a detection upper contact 8, a lifting cylinder 9 arranged below the rotary table 1 and a grounding lower contact 10 arranged at the top output end of the lifting cylinder 9, and the detection upper contact 8 is integrally arranged in the punching head 7;
the carriers 11 are uniformly distributed along the circumferential direction of the rotary table 1, each carrier 11 is used for bearing a single cylindrical battery 12, and an avoiding through hole 13 which is longitudinally through and used for enabling a lower detection joint to penetrate upwards is formed in the bottom of each carrier 11.
When the cylindrical battery 12 in the carrier 11 comes to be under the lower die holder 5 along with the rotation of the turntable 1, the lifting cylinder 9 drives the grounding lower contact 10 to extend upwards into the avoiding through hole 13 at the bottom of the carrier 11, then the cylindrical battery 12 arranged in the avoiding through hole is continuously jacked upwards until the upper end of the cylindrical battery 12 extends into the lower die holder 5, then the upper die holder 6 and the lower die holder 5 are assembled, in the process, the insulating sheet raw material is punched through the punching head 7, so that the insulating disc is punched and placed at the top end of the cylindrical battery 12, meanwhile, the detection upper contact 8 and the grounding lower contact 10 are simultaneously and respectively contacted with the upper and lower end electrodes of the cylindrical battery 12 for short circuit detection, so that the short circuit test is synchronously completed in the process of punching and placing the insulating sheet, then the upper die holder 6 is reset upwards and separated from the lower die holder 5, the unreeling mechanism and the reeling mechanism synchronously rotate by a same angle, thereby pulling the punched insulating sheet material roll 42 forward for a certain distance for subsequent insulating sheet punching and synchronous detection of the next cylindrical battery 12.
Stamping mechanism still includes first supporting seat 14, punching press cylinder 15 and a plurality of connecting rod 16, first supporting seat 14 is the fixed setting of vertical state, the fixed rectangle roof 17 that is provided with in top of first support group, all connecting rods 16 all are vertical state evenly distributed in the below of rectangle roof 17, the upper and lower end of every connecting rod is equallyd divide do not with roof and die holder 5 fixed connection, every connecting rod all passes upper die base 6, punching press cylinder 15 is fixed to be set up on rectangle roof 17, punching press cylinder 15's output downwardly pass rectangle roof 17 and with the center department fixed connection of upper die base 6. The output shaft of the punching cylinder 15 downwards drives the upper die holder 6 to descend, so that the upper die holder 6 descends along four longitudinally-arranged connecting rods 16, the lower die holder 5 fixed to the lower end of the connecting rod 16 is close to the lower die holder, the die closing process of the upper die holder and the lower die holder is realized, and in the process, an insulating sheet is downwards punched and placed to the top end of the cylindrical battery 12 through a punching head 7 fixed to the bottom of the upper die holder 6. The upper die holder 6 is driven upwards by the stamping cylinder 15 to rise, so that the upper die holder 6 is driven upwards to be far away from the lower die holder 5.
The top of the lower die holder 5 is fixedly provided with a rectangular boss 18, the top of the rectangular boss 18 is fixedly provided with a pressing plate 19 for the insulating sheet material roll 42 to pass through, two ends of one side of the rectangular boss 18 are respectively provided with a tension spring 20, a limit pin 21 and an L-shaped top plate 22, the limit pin 21 is transversely fixedly inserted in the side wall of the rectangular boss 18, the tension spring 20 is sleeved on the limit pin 21, the L-shaped top plate 22 is horizontally arranged and the short side of the L-shaped top plate is movably sleeved on the limit pin 21, one end of the tension spring 20 is fixedly inserted in the side wall of the rectangular boss 18, the other end of the tension spring is fixedly inserted on the short side of the L-shaped top plate 22, the long side of the L-shaped top plate 22 transversely penetrates through the pressing plate 19 and tightly abuts against the insulating sheet material roll 42 on the inner side of the pressing plate 19, and. The lifting cylinder 9 drives the grounding lower contact 10 to lift upwards, the upper end of the grounding lower contact 10 penetrates through the avoiding through hole 13 and jacks up the cylindrical battery 12 and enters the cylindrical through hole 23, and then the subsequent punching and releasing process of the insulating sheet is waited; the insulating sheet material roll 42 discharged by the unwinding mechanism passes between the bottom of the pressing plate 19 and the top of the rectangular boss 18, and then is wound in the winding mechanism for winding waste materials; the L-shaped top plate 22 is close to the rectangular boss 18 along the axial direction of the limit pin 21 through the elastic force of the tension spring 20, so that the long edge of the L-shaped top plate 22 can penetrate through one side of the pressing plate 19 and tightly press the insulating sheet material roll 42 against the other side of the pressing plate 19, and the transverse position deviation of the insulating sheet material in the unreeling and stamping processes is prevented.
The fixed rectangle hanger plate 24 that is provided with in bottom of upper die base 6, be equipped with two layering 25 that are the symmetric state and distribute and be used for compressing tightly insulating sheet material roll 42 downwards under the rectangle hanger plate 24, the top of every layering 25 is all fixed and is provided with two vertical guiding axles 26, rectangle hanger plate 24 is all upwards passed to the upper end of every guiding axle 26, the embedded wear-resisting cover 27 that is used for supplying guiding axle 26 to pass that is equipped with a plurality of rectangle hanger plate 24, the upper end of every guiding axle 26 all is equipped with and is used for preventing from preventing that self from preventing from weighing down board 28 that wear-resisting cover 27 breaks away from, all the cover is equipped with a spring 29 on every guiding axle 26, rectangle hanger plate 24 and layering 25 are contradicted respectively to the. In the process that the upper die holder 6 is downwards matched with the lower die holder 5, the two pressing strips 25 firstly contact the insulating sheet material roll 42 passing through the pressing plate 19 downwards, then all the springs 29 start to be compressed along with the continuous descending of the upper die holder 6, and the upper die holder 6 continues to carry the rectangular hanging plate 24 to move downwards under the action of the guide shaft 26 until the punching head 7 at the center of the rectangular hanging plate 24 punches the insulating sheet material roll 42 pressed downwards to the top of the cylindrical battery 12.
The bottom of carrier 11 is equipped with the cylinder location portion 30 of embedding revolving stage 1 downwards, dodges through-hole 13 and link up along the axial of carrier 11 to dodge the first half of through-hole 13 and be used for holding cylindrical battery 12, the latter half aperture is less than first half aperture, dodges the activity of the inboard step department of through-hole 13 and is provided with a circular backup pad 31 that is used for upwards supporting cylindrical battery 12. The carrier 11 is embedded in the turntable 1 through the cylindrical positioning portion 30, and the carrier 11 is fixedly connected with the turntable 1 through bolts. The circular support plate 31 is used for abutting against the ground contact 10, so that the ground contact 10 lifts the upper cylindrical battery 12 upwards through the circular support plate 31 during the lifting process.
The ground lower contact 10 is a rod-shaped structure, and the diameter thereof is smaller than the lower half diameter of the relief through hole 13, the ground lower contact 10 is made of a conductor material, and the lower end thereof is provided with a ground connection jack 32. The wire grounding jack is arranged so as to be convenient for connecting test equipment for detection.
The upper detection contact 8 is fixedly arranged in the punching head 7, and the upper detection contact 8 is provided with a conductive socket 33, and the conductive socket 33 is positioned on the side wall of the rectangular hanging plate 24. The upper contact 8 is convenient to detect and connect with the testing equipment by arranging the conductive socket 33 so as to match with the grounding lower contact 10 to carry out short-circuit testing.
Unwinding mechanism includes second supporting seat 34, the inflatable axle 35, charging tray 36, bearing frame 37, rotating electrical machines 38 and charging tray 36, second supporting seat 34 is the fixed setting of vertical state, bearing frame 37 is fixed to be set up in the first half of second supporting seat 34, rotating electrical machines 38 is fixed to be set up in one side of second supporting seat 34, inflatable axle 35 is the level and sets up in the opposite side of second supporting seat 34, the one end of inflatable axle 35 and rotating electrical machines 38's output shaft fixed connection, the outside of inflatable axle 35 is located to charging tray 36 cover. The unwinding mechanism and the winding mechanism have the same structure, and the rotary motor 38 drives the air expansion shaft 35 to rotate, so as to drive the material tray 36 arranged on the air expansion shaft 35 to rotate, and further realize the material discharging and collecting of the insulating material roll 42.
An arc-shaped avoiding through groove 39 for avoiding the upper end of the cylindrical battery 12 is arranged at the bottom of the lower die base 5. The paths of all the carriers 11 on the turntable 1 moving along with the turntable 1 are all circumferential paths, the cylindrical batteries 12 are arranged in the carriers 11, the upper ends of the cylindrical batteries 12 are higher than the upper ends of the carriers 11, and arc-shaped avoidance through grooves 39 are formed in the bottom of the lower die base 5 and used for avoiding the upper ends of the cylindrical batteries 12 in the paths.
The bottom of the ground contact 10 is provided with a cylindrical sleeve 40 sleeved on the output shaft of the lifting cylinder 9, and the cylindrical sleeve 40 is fixedly connected with the output shaft of the lifting cylinder 9 through a pin 41. The pin 41 penetrates through the cylindrical sleeve 40 and the output shaft of the lifting cylinder 9, so that the convenient dismounting process is realized.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An automatic punching and detecting device for insulating sheets of columnar lithium batteries comprises a rotary table (1) and is characterized by also comprising,
the unwinding assembly (2) is arranged beside the rotary table (1) and is used for gradually unwinding the insulating sheet material roll (42);
the winding assembly (3) is arranged beside the turntable (1) and is used for winding one end of the insulating sheet material roll (42) which is discharged;
the punching detection assembly (4) is arranged beside the rotary table (1) and located between the unwinding mechanism and the winding mechanism, the punching detection assembly (4) comprises a punching mechanism and a short circuit detection mechanism, the punching mechanism comprises a lower die holder (5) arranged above the rotary table (1), an upper die holder (6) arranged right above the lower die holder (5) and a punching head (7) arranged on the upper die holder (6), the short circuit detection mechanism comprises a detection upper contact (8), a lifting cylinder (9) arranged below the rotary table (1) and a grounding lower contact (10) arranged at the top output end of the lifting cylinder (9), and the detection upper contact (8) is integrally arranged in the punching head (7);
the carriers (11) are uniformly distributed along the circumferential direction of the rotary table (1), each carrier (11) is used for bearing a single cylindrical battery (12), and the bottom of each carrier (11) is provided with an avoidance through hole (13) which is longitudinally through and used for enabling the lower joint to penetrate upwards.
2. The automatic punching, placing and detecting device for the insulating sheet of the cylindrical lithium battery as claimed in claim 1, wherein the punching mechanism further comprises a first supporting seat (14), a punching cylinder (15) and a plurality of connecting rods (16), the first supporting seat (14) is fixedly arranged in a vertical state, a rectangular top plate (17) is fixedly arranged at the top of the first supporting group, all the connecting rods (16) are uniformly distributed below the rectangular top plate (17) in a vertical state, the upper end and the lower end of each connecting rod are uniformly connected with the rectangular top plate (17) and the lower die holder (5), each connecting rod penetrates through the upper die holder (6), the punching cylinder (15) is fixedly arranged on the rectangular top plate (17), and the output end of the punching cylinder (15) penetrates through the rectangular top plate (17) downwards and is fixedly connected with the center of the upper die holder (6).
3. The automatic punching, releasing and detecting device of the insulating sheet of the cylindrical lithium battery as claimed in claim 2, wherein a rectangular boss (18) is fixedly arranged at the top of the lower die holder (5), a pressing plate (19) for the insulating sheet material roll (42) to pass through is fixedly arranged at the top of the rectangular boss (18), a tension spring (20), a limiting pin (21) and an L-shaped top plate (22) are respectively arranged at two ends of one side of the rectangular boss (18), the limiting pin (21) is transversely and fixedly inserted into the side wall of the rectangular boss (18), the tension spring (20) is sleeved on the limiting pin (21), the L-shaped top plate (22) is horizontally arranged and the short side thereof is movably sleeved on the limiting pin (21), one end of the tension spring (20) is fixedly inserted into the side wall of the rectangular boss (18), the other end is fixedly inserted on the short side of the L-shaped top plate (22), and the long side of the L-shaped top plate (22) transversely penetrates through the pressing plate (19) and abuts against the inner side of the The edge sheet material roll (42), the lower die holder (5) and the center of the rectangular lug boss (18) are respectively provided with a cylindrical through hole (23) for the cylindrical battery (12) to pass through upwards.
4. The apparatus of claim 3, wherein the insulating sheet of the lithium cylindrical battery is automatically punched and discharged and the testing apparatus is adapted to be automatically punched and discharged, the anti-falling device is characterized in that a rectangular hanging plate (24) is fixedly arranged at the bottom of an upper die base (6), two pressing strips (25) which are distributed in a symmetrical state and used for pressing an insulating sheet material roll (42) downwards are arranged under the rectangular hanging plate (24), two vertical guide shafts (26) are fixedly arranged at the top of each pressing strip (25), the upper end of each guide shaft (26) upwards penetrates through the rectangular hanging plate (24), a plurality of wear-resistant sleeves (27) used for the guide shafts (26) to penetrate are embedded in the rectangular hanging plate (24), the upper end of each guide shaft (26) is provided with an anti-falling plate (28) used for preventing the anti-falling plate from separating from the wear-resistant sleeves (27), each guide shaft (26) is sleeved with a spring (29), and the upper end and the lower end of each spring (29) respectively abut against the rectangular hanging plate (24) and the pressing strips (25.
5. The apparatus as claimed in claim 1, wherein the bottom of the carrier (11) is provided with a cylindrical positioning portion (30) embedded into the turntable (1), the avoiding through hole (13) is formed along the axial direction of the carrier (11), the upper half of the avoiding through hole (13) is used for accommodating the cylindrical battery (12), the lower half of the avoiding through hole is smaller than the upper half of the avoiding through hole, and a circular support plate (31) for supporting the cylindrical battery (12) upward is movably disposed at the inner step of the avoiding through hole (13).
6. The apparatus for automatically punching and inspecting an insulating sheet of a lithium cylindrical battery according to claim 4, wherein the grounding contact (10) has a rod-like configuration and a diameter smaller than a lower half diameter of the relief through hole (13), the grounding contact (10) is made of a conductive material, and a grounding wire insertion socket (32) is provided at a lower end thereof.
7. The apparatus for automatically punching and testing the insulation sheet of a cylindrical lithium battery as claimed in claim 1, wherein the upper testing contact (8) is fixedly disposed in the punching head (7), and the upper testing contact (8) is provided with a conductive socket (33), the conductive socket (33) being disposed on the sidewall of the rectangular hanger plate (24).
8. The automatic punching, placing and detecting device for the insulating sheet of the cylindrical lithium battery as claimed in claim 1, wherein the unwinding mechanism comprises a second support seat (34), an air-expansion shaft (35), a bearing seat (37), a rotating electrical machine (38) and a material tray (36), the second support seat (34) is vertically and fixedly disposed, the bearing seat (37) is fixedly disposed at the upper half portion of the second support seat (34), the rotating electrical machine (38) is fixedly disposed at one side of the second support seat (34), the air-expansion shaft (35) is horizontally disposed at the other side of the second support seat (34), one end of the air-expansion shaft (35) is fixedly connected with an output shaft of the rotating electrical machine (38), and the material tray (36) is sleeved at the outer side of the air-expansion shaft (35).
9. The automatic punching, releasing and detecting equipment for the insulating sheet of the cylindrical lithium battery as claimed in claim 1, wherein an arc-shaped avoiding through groove (39) for avoiding the upper end of the cylindrical battery (12) is formed at the bottom of the lower die holder (5).
10. The automatic punching and releasing and detecting device for the insulating sheet of the cylindrical lithium battery as claimed in claim 1, wherein the bottom of the grounding lower contact (10) is provided with a cylindrical sleeve (40) sleeved on the output shaft of the lifting cylinder (9), and the cylindrical sleeve (40) is fixedly connected with the output shaft of the lifting cylinder (9) through a pin (41).
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| CN202110046716.5A CN112886045B (en) | 2021-01-14 | 2021-01-14 | Automatic punching and detecting equipment for insulating sheet of columnar lithium battery |
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| CN202110046716.5A CN112886045B (en) | 2021-01-14 | 2021-01-14 | Automatic punching and detecting equipment for insulating sheet of columnar lithium battery |
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| CN112886045B CN112886045B (en) | 2022-03-01 |
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| CN112886045B (en) | 2022-03-01 |
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