CN112387882A - Device and method for machining disk-shaped gasket of storage battery - Google Patents
Device and method for machining disk-shaped gasket of storage battery Download PDFInfo
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- CN112387882A CN112387882A CN202011108805.XA CN202011108805A CN112387882A CN 112387882 A CN112387882 A CN 112387882A CN 202011108805 A CN202011108805 A CN 202011108805A CN 112387882 A CN112387882 A CN 112387882A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000003860 storage Methods 0.000 title claims abstract description 25
- 238000003754 machining Methods 0.000 title claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 227
- 239000010959 steel Substances 0.000 claims abstract description 227
- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 70
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000003672 processing method Methods 0.000 claims description 2
- 229920000800 acrylic rubber Polymers 0.000 claims 1
- 229920000058 polyacrylate Polymers 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 description 9
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/027—Combined feeding and ejecting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/16—Making other particular articles rings, e.g. barrel hoops
- B21D53/20—Making other particular articles rings, e.g. barrel hoops washers, e.g. for sealing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0063—Using robots
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to the field of storage battery production, in particular to a storage battery disc-shaped gasket processing device and method and a storage battery terminal automatic production system. The device comprises a gasket processing rack, a gasket driving mechanism, a steel belt, a transmission wheel and a gasket molding mechanism; the output end of the gasket driving mechanism is connected with the steel belt, and a groove on the steel belt is matched with the disc-shaped gasket; the driving wheel and the gasket forming mechanism are fixed on the gasket processing rack, the outer surface of the driving wheel is matched with the surface of the steel belt, and the output end of the gasket forming mechanism is connected with the disc-shaped gasket; the gasket driving mechanism is used for driving the steel belt to move; the gasket molding mechanism is used for processing the gasket mold blank into a disc-shaped gasket; the device avoids relative sliding between the steel belt and the transmission roller by arranging the gasket driving mechanism, and ensures accurate processing of the disc-shaped gasket.
Description
Technical Field
The invention relates to the field of storage battery production, in particular to a storage battery disc-shaped gasket processing device and method and a storage battery terminal automatic production system.
Background
Battery terminals are devices used to connect the electrodes of a battery to an external electrical system. At present, the storage battery pack applied to mining, engineering or electric vehicles of public transport systems is generally formed by splicing lead-acid battery modules into a whole, covering a prefabricated end plate on the lead-acid battery module, and connecting the end plate with a circuit of the lead-acid battery. The end panel is connected with terminal one end, and the terminal other end is connected with outside electrical system to be as an organic whole with battery circuit connection. And the battery terminal is fixed on the end plate through the upper connecting cap. The connecting cap generally consists of a rivet and a disc-shaped gasket, and the disc-shaped gasket is sleeved on a rivet rod of the rivet to prevent the rivet from loosening. When the quality problems that the disk-shaped gasket shakes greatly or the disk-shaped gasket is not assembled in place and the like occur in the assembling process of the connecting cap, the connection between the internal circuit and the external circuit of the storage battery is not firm, and even the situation that the internal circuit and the external circuit cannot be connected is caused. Therefore, the assembly of the battery connecting cap is very important.
The Chinese intellectual property office discloses a system with the publication number of CN110976682A and the patent name of storage battery connecting cap and storage battery wiring assembly, which comprises a frame assembly, a conveying device arranged on the frame assembly, a feeding station, a wiring terminal feeding station, an insulating pressure head feeding station, a forming wiring cap feeding station, an intermediate manipulator and an output station, wherein the feeding station, the wiring terminal feeding station, the insulating pressure head feeding station, the forming wiring cap feeding station, the intermediate manipulator and the output station are sequentially distributed on the conveying device; an end panel feeding manipulator for bearing the storage battery panel conveyed in the previous process is arranged above the feeding station; the invention has reasonable design, compact structure and convenient use.
The prior art has the following defects: 1. conveying the disc-shaped gasket to different stations for processing, driving a transmission roller to rotate by adopting a motor, and then driving the transmission roller to rotate to drive a steel belt matched with the transmission roller to move so as to convey the disc-shaped gasket on the steel belt to the next station; the driving force for driving the steel belt to move by the transmission roller is provided by the friction force between the surface of the transmission roller and the steel belt, and the friction force between the surface of the transmission roller and the steel belt is related to the tension degree between the transmission roller and the steel belt, namely the friction force between the surface of the transmission roller and the steel belt is larger when the tension force borne by the steel belt is larger; the steel belt is generally thin in order to ensure the softness and the bending property of the steel belt, and the tension force which can be borne by the thin steel belt in order to avoid breakage is small, namely the friction force between the surface of the transmission roller and the steel belt is small; when the disc-shaped gasket conveyed on the steel strip is subjected to a large processing force during processing, the small friction force between the steel strip and the surface of the transmission roller cannot block the processing force applied to the steel strip; therefore, relative sliding is generated between the steel belt and the transmission roller, the conveying position of the disc-shaped gasket is changed, and the disc-shaped gasket is not beneficial to accurate processing. 2. When the connecting cap is discharged and moved, the two mechanical hands are respectively controlled to move the connecting cap which is qualified in press fitting and the connecting cap which is unqualified in press fitting to different receiving ends in the connecting cap receiving mechanism; when two different mechanical arms are used for grabbing the connecting cap, two sets of driving mechanisms are needed and need to be controlled respectively, so that the number of the driving mechanisms and the complexity of equipment are increased. Meanwhile, when the two manipulators move the connecting caps respectively, each manipulator needs to move to a grabbing station to grab the connecting caps firstly, and then the grabbed connecting caps are moved to different receiving stations for blanking, namely, the two sets of manipulators need four steps to complete the moving and blanking process; thereby causing more moving steps and reducing the moving efficiency of the connecting cap.
Disclosure of Invention
In view of the above problems, an object of the present invention is to: the device and the method for processing the storage battery disc-shaped gasket are used for avoiding relative sliding between a steel belt and a transmission roller by arranging a gasket driving mechanism and ensuring accurate processing of the disc-shaped gasket. Another object of the invention is: the washer processing device is arranged to prevent relative sliding between the steel belt and the transmission roller, so that accurate processing of the disc-shaped washer is guaranteed; the automatic production system for the storage battery wiring terminal has the advantages that the moving steps of the connecting cap are reduced by arranging the connecting cap moving mechanism, and the moving efficiency of the connecting cap is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a device for processing a storage battery disc-shaped gasket comprises a gasket processing rack, a gasket driving mechanism, a steel belt, a transmission wheel and a gasket forming mechanism; the output end of the gasket driving mechanism is connected with the steel belt, and a groove on the steel belt is matched with the disc-shaped gasket; the driving wheel and the gasket forming mechanism are fixed on the gasket processing rack, the outer surface of the driving wheel is matched with the surface of the steel belt, and the output end of the gasket forming mechanism is connected with the disc-shaped gasket; the gasket driving mechanism is used for driving the steel belt to move; the gasket molding mechanism is used for processing the gasket mold blank into a disc-shaped gasket; the gasket driving mechanism comprises a gasket driving bottom plate, a gasket driving cylinder, a gasket guide rail sliding block, a steel strip shifting assembly and a steel strip pressing assembly; the output end of the gasket driving cylinder is connected with a steel strip shifting assembly, and the steel strip shifting assembly is fixed on a sliding block in a gasket guide rail sliding block; the steel belt pressing assembly is fixed on the gasket driving bottom plate; the steel strip shifting assembly and the steel strip pressing assembly comprise a gasket pressing cylinder, a gasket upper clamping block and a gasket lower clamping block; the output end of the gasket pressing cylinder is connected with the gasket upper clamping block, and the lower surface of the gasket upper clamping block and the upper surface of the gasket lower clamping block are respectively contacted with or separated from the upper surface and the lower surface of the steel belt under the driving of the gasket pressing cylinder.
Preferably, the gasket upper clamping block comprises a first upper clamping block, a second upper clamping block and a third upper clamping block; the upper end of the first upper clamping block is connected with the output end of the gasket pressing cylinder; the upper end and the lower end of the second upper clamping block are respectively connected with the lower end of the first upper clamping block and the upper end of the third upper clamping block; the lower end of the third upper clamping block is contacted with or separated from the upper surface of the steel belt. The lower end bulge of the first upper clamping block is connected with the groove at the upper end of the second upper clamping block in an embedded manner.
Preferably, the lower clamping block of the gasket comprises a first lower clamping block and a second lower clamping block; the upper end of the first lower clamping block is connected with the lower end of the second lower clamping block, and the upper end of the second lower clamping block is contacted with or separated from the lower surface of the steel belt; the lower end of a first lower clamping block of the steel strip shifting assembly is connected with a sliding block in a sliding block of a gasket guide rail, and the lower end of a first lower clamping block of the steel strip pressing assembly is connected with a gasket driving bottom plate. The third upper clamping block and the second lower clamping block are made of high-tenacity glue.
Preferably, the gasket driving mechanism further comprises a gasket limiting assembly; the plurality of gasket limiting assemblies are respectively fixed on the workbench, and the output ends of the plurality of gasket limiting assemblies are respectively contacted with the steel belt poking assembly. The gasket driving mechanism further comprises a bottom plate adjusting assembly; the bottom plate adjusting assembly is fixed on the workbench, and the output end of the bottom plate adjusting assembly is connected with the gasket driving bottom plate; the bottom plate adjusting assembly is used for adjusting the positions of the steel strip shifting assembly and the steel strip pressing assembly relative to the steel strip. The bottom plate adjusting component comprises an adjusting bottom block, an adjusting screw and an adjusting pull block; the adjusting bottom block is fixed on the workbench, and the adjusting screw penetrates through the adjusting bottom block and is connected with the adjusting pull block; the adjusting pull block is connected with the gasket driving bottom plate.
In addition, the invention also discloses a processing method of the storage battery disc-shaped gasket, which adopts the processing device of the storage battery disc-shaped gasket and comprises the following steps:
1) the gasket feeding device feeds the disc-shaped gasket mold blank onto the steel belt for positioning;
2) a gasket pressing cylinder in the steel strip shifting assembly extends out to drive a third upper clamping block connected with the gasket pressing cylinder to move downwards to a position contacted with the upper surface of the steel strip, and the upper surface of the gasket lower clamping block in the steel strip shifting assembly is contacted with the lower surface of the steel strip to press the steel strip tightly;
3) the gasket driving cylinder acts to drive the steel strip stirring assembly to move along the gasket guide rail sliding block, and the steel strip stirring assembly drives the steel strip pressed by the steel strip stirring assembly to move by a distance of one station so as to convey the disc-shaped gasket mold blank to a processing position;
4) a gasket lower pressing cylinder in the steel strip pressing assembly extends out to drive a third upper clamping block to move downwards, and a gasket lower clamping block in the steel strip pressing assembly is in contact with the lower surface of a steel strip to press the steel strip;
5) and the gasket forming mechanism acts to process the disc-shaped gasket mould blank at the station to complete the disc-shaped gasket processing process.
In addition, the invention also discloses an automatic production system of the storage battery binding post, which comprises a connecting cap assembling device, wherein the device comprises a workbench, and a gasket feeding device, a gasket processing device, a connecting cap press-mounting device and a connecting cap blanking device which are fixed on the workbench; the gasket processing device adopts the storage battery disc-shaped gasket processing device.
The device and the method for processing the disk-shaped gasket of the storage battery, which adopt the technical scheme, have the advantages that:
by arranging a gasket driving mechanism; after the disc-shaped gasket mold blank is fed onto the steel strip to be positioned, a gasket pressing cylinder in the steel strip shifting assembly extends out to drive a third upper clamping block connected with the gasket pressing cylinder to move downwards to a position contacted with the upper surface of the steel strip, and the upper surface of a gasket lower clamping block in the steel strip shifting assembly is contacted with the lower surface of the steel strip to press the steel strip tightly; the gasket driving cylinder acts to drive the steel strip stirring assembly to move along the gasket guide rail sliding block, and the steel strip stirring assembly drives the steel strip pressed by the steel strip stirring assembly to move by a distance of one station so as to convey the disc-shaped gasket mold blank to a processing position; a gasket lower pressing cylinder in the steel strip pressing assembly extends out to drive a third upper clamping block to move downwards, and a gasket lower clamping block in the steel strip pressing assembly is in contact with the lower surface of a steel strip to press the steel strip; and the gasket forming mechanism acts to process the disc-shaped gasket mould blank at the station to complete the disc-shaped gasket processing process. The driving force provided by the steel strip shifting assembly to the steel strip is provided by the friction force between the third upper clamping block and the upper surface of the steel strip and the friction force between the washer lower clamping block and the lower surface of the steel strip, and the magnitude of the friction force is related to the compression degree between the third upper clamping block and the washer lower clamping block; the larger the pressing force between the third upper clamping block and the lower clamping block of the gasket is, the larger the formed friction force is; the driving mode converts the friction force generated by tensioning between the transmission roller and the steel belt when the motor is driven into the friction force generated by the third upper clamping block and the gasket lower clamping block pressing the steel belt; when the steel belt is pressed downwards by the third upper clamping block to generate friction force, the lower surface of the steel belt is supported by the lower clamping block of the gasket, namely, the thinner steel belt is supported by the supporting force for preventing the thinner steel belt from being broken when being subjected to larger pressing force, so that the steel belt can bear larger pressing force to generate larger friction force; therefore, the situation that when the motor drives the transmission roller to drive, the thin steel belt is easy to break because of being only subjected to the tension force on one side and having no supporting force, and can only bear the smaller tension force to generate smaller friction force is avoided; when the disc-shaped gasket is subjected to a large processing force during processing, the steel belt can also be subjected to a large friction force and cannot slide relatively; thereby avoiding the change of the conveying position of the disc-shaped gasket and ensuring the accurate processing of the disc-shaped gasket.
The automatic production system of the storage battery wiring terminal disclosed by the invention has the advantages that:
1. by arranging a gasket driving mechanism; after the disc-shaped gasket mold blank is fed onto the steel strip to be positioned, a gasket pressing cylinder in the steel strip shifting assembly extends out to drive a third upper clamping block connected with the gasket pressing cylinder to move downwards to a position contacted with the upper surface of the steel strip, and the upper surface of a gasket lower clamping block in the steel strip shifting assembly is contacted with the lower surface of the steel strip to press the steel strip tightly; the gasket driving cylinder acts to drive the steel strip stirring assembly to move along the gasket guide rail sliding block, and the steel strip stirring assembly drives the steel strip pressed by the steel strip stirring assembly to move by a distance of one station so as to convey the disc-shaped gasket mold blank to a processing position; a gasket lower pressing cylinder in the steel strip pressing assembly extends out to drive a third upper clamping block to move downwards, and a gasket lower clamping block in the steel strip pressing assembly is in contact with the lower surface of a steel strip to press the steel strip; and the gasket forming mechanism acts to process the disc-shaped gasket mould blank at the station to complete the disc-shaped gasket processing process. The driving force provided by the steel strip shifting assembly to the steel strip is provided by the friction force between the third upper clamping block and the upper surface of the steel strip and the friction force between the washer lower clamping block and the lower surface of the steel strip, and the magnitude of the friction force is related to the compression degree between the third upper clamping block and the washer lower clamping block; the larger the pressing force between the third upper clamping block and the lower clamping block of the gasket is, the larger the formed friction force is; the driving mode converts the friction force generated by tensioning between the transmission roller and the steel belt when the motor is driven into the friction force generated by the third upper clamping block and the gasket lower clamping block pressing the steel belt; when the steel belt is pressed downwards by the third upper clamping block to generate friction force, the lower surface of the steel belt is supported by the lower clamping block of the gasket, namely, the thinner steel belt is supported by the supporting force for preventing the thinner steel belt from being broken when being subjected to larger pressing force, so that the steel belt can bear larger pressing force to generate larger friction force; therefore, the situation that when the motor drives the transmission roller to drive, the thin steel belt is easy to break because of being only subjected to the tension force on one side and having no supporting force, and can only bear the smaller tension force to generate smaller friction force is avoided; when the disc-shaped gasket is subjected to a large processing force during processing, the steel belt can also be subjected to a large friction force and cannot slide relatively; thereby avoiding the change of the conveying position of the disc-shaped gasket and ensuring the accurate processing of the disc-shaped gasket.
2. The moving manipulator and the moving guide assembly are arranged; after the press-mounted connecting caps are conveyed to the moving station, the moving driving element acts to drive the second grabbing hand to move to the moving station, and the second grabbing cylinder acts to drive the second clamping block to grab the unqualified connecting caps; the moving driving element acts to drive the first grabbing hand to move to the moving station, and the first grabbing cylinder acts to drive the first clamping block to grab the qualified connecting cap; the moving driving element acts to simultaneously drive the first grabbing hand and the second grabbing hand to respectively move to positions connected with the first guide pipe and the second guide pipe, and the first grabbing hand and the second grabbing hand respectively loosen the grabbed qualified connecting caps and unqualified connecting caps to complete the moving process of the connecting caps. In the moving mode, the first grabbing hand and the second grabbing hand are connected with the same moving driving element, namely, the two grabbing hands can be controlled by only one set of driving mechanism, so that the number of the driving mechanisms and the complexity of equipment are reduced. Meanwhile, when the first grabbing hand is connected with the first guide pipe, the second grabbing hand is connected with the second guide pipe, namely the first grabbing hand feeds qualified connecting caps to the first guide pipe, and the second grabbing hand feeds unqualified connecting caps to the second guide pipe; namely, the moving mode comprises three steps of a first grabbing hand for grabbing qualified connecting caps, a second grabbing hand for grabbing unqualified connecting caps and a first grabbing hand and a second grabbing hand for simultaneously blanking; compared with the four-step moving and blanking process which is required by the two sets of mechanical arms to move respectively, the moving mode reduces the moving steps of the connecting cap and improves the moving efficiency of the connecting cap.
Drawings
Fig. 1 is a schematic structural view of a connecting cap assembling apparatus.
Fig. 2 is a schematic view of the product structure of the connecting cap.
Fig. 3 is a schematic structural view of the gasket processing apparatus.
Fig. 4 is a schematic structural view of the washer drive mechanism.
Fig. 5 is a schematic structural diagram of a steel strip striking assembly.
Fig. 6 is a schematic structural view of a connecting cap blanking device.
FIG. 7 is a schematic view of the structure of the connecting cap moving mechanism.
Fig. 8 is a schematic structural view of the first gripper hand.
Fig. 9 is a schematic structural view of the second gripper hand.
FIG. 10 is a schematic view of the moving guide assembly.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the drawings.
Example 1
The automatic production system for the storage battery wiring terminal shown in fig. 1 comprises a connecting cap assembling device, wherein the device comprises a workbench, and a gasket feeding device, a gasket processing device 1, a connecting cap press-fitting device and a connecting cap blanking device 2 which are fixed on the workbench; the input end and the output end of the gasket processing device 1 are respectively connected with the discharge hole of the gasket feeding device and the feed hole of the connecting cap press-mounting device; the input end and the output end of the connecting cap blanking device 2 are respectively connected with the discharge port of the connecting cap press-mounting device and a blanking station; the gasket feeding device is used for feeding the gasket mold blank; the gasket processing device 1 is used for processing the gasket mold blank into a disc-shaped gasket; the connecting cap press-fitting device is used for press-fitting the disc-shaped gasket to the corresponding position of the rivet rod; and the connecting cap blanking device 2 is used for blanking the pressed connecting cap.
The product flow direction of the disc-shaped gasket in the connecting cap is: a gasket feeding device to a gasket processing device 1 to a connecting cap press-fitting device to a connecting cap blanking device 2; the product flow direction of the rivets in the connecting cap is: the connecting cap press-fitting device is connected to the connecting cap blanking device 2.
Fig. 2 is a schematic diagram of a product structure of the connecting cap. The connecting cap consists of a disc-shaped washer a and a rivet b: the disc-shaped gasket die blank is processed by the gasket processing device 1 to form a disc-shaped gasket a, and an inner hole of the disc-shaped gasket a is matched with a rivet rod of the rivet b after the disc-shaped gasket a and the rivet b are pressed by the connecting cap pressing device.
As shown in fig. 3, the gasket processing apparatus 1 includes a gasket processing frame 11, a gasket driving mechanism 12, a steel belt 13, a transmission wheel 14, and a gasket molding mechanism 15; the output end of the gasket driving mechanism 12 is connected with the steel belt 13, and a groove on the steel belt 13 is matched with the disc-shaped gasket; the driving wheel 14 and the gasket forming mechanism 15 are fixed on the gasket processing rack 11, the outer surface of the driving wheel 14 is matched with the surface of the steel belt 13, and the output end of the gasket forming mechanism 15 is connected with the disc-shaped gasket; the gasket driving mechanism 12 is used for driving the steel belt 13 to move; the washer forming mechanism 15 is used for processing the washer mold blank into a disc-shaped washer.
As shown in fig. 4 and 5, the washer driving mechanism 12 includes a washer driving base plate 121, a washer driving cylinder 122, a washer rail slider 123, a steel strip toggle assembly 124 and a steel strip pressing assembly 125; the output end of the gasket driving cylinder 122 is connected with a steel strip shifting assembly 124, and the steel strip shifting assembly 124 is fixed on a sliding block in the gasket guide rail sliding block 123; and the steel band pressing assembly 125 is fixed on the washer driving base plate 121; the steel belt shifting assembly 124 and the steel belt pressing assembly 125 both comprise a gasket pressing cylinder 126, a gasket upper clamping block 127 and a gasket lower clamping block 128; the output end of the gasket pressing cylinder 126 is connected with the gasket upper clamping block 127, and the lower surface of the gasket upper clamping block 127 and the upper surface of the gasket lower clamping block 128 are respectively contacted with or separated from the upper surface and the lower surface of the steel belt 13 under the driving of the gasket pressing cylinder 126. The washer upper block 127 includes a first upper block 1271, a second upper block 1272 and a third upper block 1273; the upper end of the first upper clamping block 1271 is connected with the output end of the gasket pressing cylinder 126; the upper end and the lower end of the second upper clamping block 1272 are respectively connected with the lower end of the first upper clamping block 1271 and the upper end of the third upper clamping block 1273; the lower end of the third upper clamping block 1273 is contacted with or separated from the upper surface of the steel belt 13; the protrusion at the lower end of the first upper clamping block 1271 is embedded and connected with the groove at the upper end of the second upper clamping block 1272; the washer lower clamp block 128 includes a first lower clamp block 1281 and a second lower clamp block 1282; the upper end of the first lower clamp block 1281 is connected with the lower end of the second lower clamp block 1282, and the upper end of the second lower clamp block 1282 is in contact with or separated from the lower surface of the steel belt 13; the lower end of a first lower clamping block 1281 of the steel strip shifting assembly 124 is connected with a sliding block in the gasket guide rail sliding block 123, and the lower end of the first lower clamping block 1281 of the steel strip pressing assembly 125 is connected with the gasket driving base plate 121; the material of the third upper clamp block 1273 and the material of the second lower clamp block 1282 are high-gravity rubber.
As shown in fig. 3, the washer drive mechanism 12 further includes a washer stop assembly 16; the plurality of gasket limiting assemblies 16 are respectively fixed on the workbench, and the output ends of the plurality of gasket limiting assemblies 16 are respectively contacted with the steel belt shifting assembly 124; the washer drive mechanism 12 further includes a base adjustment assembly 17; the bottom plate adjusting assembly 17 is fixed on the workbench, and the output end of the bottom plate adjusting assembly 17 is connected with the gasket driving bottom plate 121; the bottom plate adjusting assembly 17 is used for adjusting the positions of the steel strip shifting assembly 124 and the steel strip pressing assembly 125 relative to the steel strip 13; the bottom plate adjusting assembly 17 comprises an adjusting bottom block 171, an adjusting screw 172 and an adjusting pull block 173; the adjusting bottom block 171 is fixed on the workbench, and the adjusting screw 172 passes through the adjusting bottom block 171 and is connected with the adjusting pull block 173; the adjustment pull block 173 is connected to the washer drive shoe 121.
The washer processing apparatus 1 is, in operation: 1) the gasket feeding device feeds the disc-shaped gasket mold blank onto the steel belt 13 for positioning; 2) the gasket pressing cylinder 126 in the steel strip shifting assembly 124 extends to drive the third upper clamping block 1273 connected with the gasket pressing cylinder to move downwards to a position contacting with the upper surface of the steel strip 13, and the upper surface of the gasket lower clamping block 128 in the steel strip shifting assembly 124 contacts with the lower surface of the steel strip 13 to press the steel strip 13; 3) the gasket driving cylinder 122 acts to drive the steel strip shifting assembly 124 to move along the gasket guide rail sliding block 123, and the steel strip shifting assembly 124 drives the steel strip 13 compressed by the steel strip shifting assembly to move for a distance of one station so as to convey the disc-shaped gasket mold blank to a processing position; 4) the gasket lower pressing cylinder 126 in the steel strip pressing assembly 125 extends out to drive the third upper clamping block 1273 to move downwards, and the gasket lower clamping block 128 in the steel strip pressing assembly 125 is in contact with the lower surface of the steel strip 13 to press the steel strip 13; 5) and the gasket forming mechanism 15 acts to process the disc-shaped gasket mold blank at the station to complete the disc-shaped gasket processing process.
The gasket processing device 1 solves the problem that when the disc-shaped gasket is conveyed to different stations for processing, a motor is adopted to drive the transmission roller to rotate, and then the transmission roller rotates to drive the steel belt matched with the transmission roller to move so as to convey the disc-shaped gasket on the steel belt to the next station; the driving force for driving the steel belt to move by the transmission roller is provided by the friction force between the surface of the transmission roller and the steel belt, and the friction force between the surface of the transmission roller and the steel belt is related to the tension degree between the transmission roller and the steel belt, namely the friction force between the surface of the transmission roller and the steel belt is larger when the tension force borne by the steel belt is larger; the steel belt is generally thin in order to ensure the softness and the bending property of the steel belt, and the tension force which can be borne by the thin steel belt in order to avoid breakage is small, namely the friction force between the surface of the transmission roller and the steel belt is small; when the disc-shaped gasket conveyed on the steel strip is subjected to a large processing force during processing, the small friction force between the steel strip and the surface of the transmission roller cannot block the processing force applied to the steel strip; thereby causing relative sliding between the steel belt and the transmission roller and causing the change of the conveying position of the disc-shaped gasket, which is not beneficial to the accurate processing of the disc-shaped gasket. By providing the washer drive mechanism 12; after the disc-shaped gasket mold blank is fed onto the steel belt 13 for positioning, the gasket pressing cylinder 126 in the steel belt shifting assembly 124 extends to drive the third upper clamping block 1273 connected with the gasket pressing cylinder to move downwards to a position contacting with the upper surface of the steel belt 13, and the upper surface of the gasket lower clamping block 128 in the steel belt shifting assembly 124 contacts with the lower surface of the steel belt 13 to press the steel belt 13 tightly; the gasket driving cylinder 122 acts to drive the steel strip shifting assembly 124 to move along the gasket guide rail sliding block 123, and the steel strip shifting assembly 124 drives the steel strip 13 compressed by the steel strip shifting assembly to move for a distance of one station so as to convey the disc-shaped gasket mold blank to a processing position; the gasket lower pressing cylinder 126 in the steel strip pressing assembly 125 extends out to drive the third upper clamping block 1273 to move downwards, and the gasket lower clamping block 128 in the steel strip pressing assembly 125 is in contact with the lower surface of the steel strip 13 to press the steel strip 13; and the gasket forming mechanism 15 acts to process the disc-shaped gasket mold blank at the station to complete the disc-shaped gasket processing process. The driving force provided by the steel strip shifting assembly 124 to the steel strip 13 is provided by the friction force between the third upper clamping block 1273 and the upper surface of the steel strip 13 and the friction force between the washer lower clamping block 128 and the lower surface of the steel strip 13, and the magnitude of the friction force is related to the degree of compression between the third upper clamping block 1273 and the washer lower clamping block 128; the greater the pressing force between the third upper clamping block 1273 and the washer lower clamping block 128, the greater the resulting friction; that is, the driving mode converts the friction force generated by the tension between the transmission roller and the steel belt 13 when the motor is driven into the friction force generated by the third upper clamping block 1273 and the washer lower clamping block 128 pressing the steel belt 13; when the steel strip 13 is pressed down by the third upper clamping block 1273 to generate friction, the lower surface of the steel strip 13 is also supported by the lower clamping block 128 of the gasket, that is, the thinner steel strip 13 is also supported by the supporting force for preventing the steel strip 13 from being broken when being subjected to larger pressing force, so that the steel strip 13 can bear larger pressing force to generate larger friction; therefore, the situation that when the motor drives the transmission roller to drive, the thin steel belt 13 is easy to break because of being only subjected to the tension force on one side and having no supporting force, and can only be subjected to the smaller tension force to generate smaller friction force is avoided; further, when the disc-shaped gasket is subjected to a large processing force during processing, the steel strip 13 can also be subjected to a large friction force without relative sliding; thereby avoiding the change of the conveying position of the disc-shaped gasket and ensuring the accurate processing of the disc-shaped gasket.
As shown in fig. 6, the connecting cap discharging device 2 includes a connecting cap moving mechanism 3 and a connecting cap receiving mechanism 4; the connecting cap moving mechanism 3 and the connecting cap receiving mechanism 4 are fixed on the workbench, the input end of the connecting cap moving mechanism 3 is connected with the discharge port of the connecting cap press-mounting device, and the output end of the connecting cap moving mechanism 3 is connected with the feed port of the connecting cap receiving mechanism 4; the discharge port of the connecting cap receiving mechanism 4 is connected with a blanking station; the connecting cap moving mechanism 3 is used for sorting and moving the pressed connecting caps; the connecting cap receiving mechanism 4 is for receiving the connecting cap moved by the connecting cap moving mechanism 3.
As shown in fig. 7, the connecting cap transfer mechanism 3 includes a transfer frame 31, a transfer robot 32 fixed to the transfer frame 31, and a transfer guide unit 33; the output end of the moving manipulator 32 is respectively connected with the discharge port of the connecting cap press-mounting device and the input end of the moving guide component 33, and the output end of the moving guide component 33 is connected with the input end of the connecting cap receiving mechanism 4; the moving manipulator 32 is used for moving the pressed connecting cap to the moving guide assembly 33; the moving guide assembly 33 is used for separately guiding the qualified connecting caps and the unqualified connecting caps after press mounting; the transfer robot 32 includes a transfer drive element 34, a first gripper hand 35, and a second gripper hand 36; the output end of the moving driving element 34 is respectively connected with a first grabbing hand 35 and a second grabbing hand 36, the first grabbing hand 35 is connected with a qualified connecting cap after press mounting, and the second grabbing hand 36 is connected with an unqualified connecting cap after press mounting; the movement guide assembly 33 includes a first guide tube 37 and a second guide tube 38; the feeding end and the discharging end of the first guide pipe 37 are respectively connected with the output end of the first grabbing hand 35 and the connecting cap receiving mechanism 4; the feeding end and the discharging end of the second guide pipe 38 are respectively connected with the output end of the second grabbing hand 36 and the connecting cap receiving mechanism 4; when the first grabbing hand 35 is connected with the first guide tube 37 under the driving of the moving driving element 34, the second grabbing hand 36 is connected with the second guide tube 38; the move driving element 34 is used for driving the first gripper hand 35 and the second gripper hand 36 to move.
As shown in fig. 8, the first grip hand 35 includes a first grip cylinder 351, a first connecting block 352, and a first clamp block 353; the first grabbing cylinder 351 is connected with the output end of the moving driving element 34, and the output end of the first grabbing cylinder 351 is connected with the first connecting block 352; the first clamping block 353 is fixed on the first connecting block 352, and the first clamping block 353 is in contact with the pressed connecting cap; the length of the first clamping block 353 is larger than the total length of the plurality of connecting caps at the output end of the connecting cap press-fitting device after arrangement; the material of the first clamping block 353 is silicon rubber.
As shown in fig. 9, the second gripper hand 36 includes a second gripper cylinder 361 and a second gripper block 362; the second grabbing cylinder 361 is connected with the output end of the conveying driving element 34, the output end of the second grabbing cylinder 361 is connected with the second clamping block 362, and the second clamping block 362 is in contact with the connecting cap; the second grasping block 362 has a length greater than the width of one of the connector caps and the second grasping block 362 has a length less than the width of two of the connector caps.
As shown in fig. 10, the first guide tube 37 includes a guide tube opening 371 and a guide tube slide 372; the upper end of the guide tube opening 371 is connected with the first grabbing hand 35, and the lower end of the guide tube opening 371 is connected with the upper end of the guide tube slideway 372; the lower end of the guide pipe slideway 372 is connected with the connecting cap receiving mechanism 4; the guide tube opening 371 is a rectangular chamfered structure. The moving guide assembly 33 further includes a guide cylinder 331 and a guide rail slider 332; the guide rails in the guide cylinder 331 and the guide rail sliding block 332 are fixed on the moving rack 31, and the output end of the guide cylinder 331 is connected with the sliding block in the guide rail sliding block 332; the guide rail sliders 332 are connected to the first guide tube 37 and the second guide tube 38, respectively.
The connecting cap moving mechanism 3 is in the working process: 1) the connecting cap press-mounting device conveys the press-mounted connecting cap to a moving station; 2) the moving driving element 34 drives the second grabbing hand 36 to move to the moving station, and the second grabbing cylinder 361 drives the second grabbing block 362 to grab the unqualified connecting cap; 3) the moving driving element 34 acts to drive the first grabbing hand 35 to move to the moving station, and the first grabbing cylinder 351 acts to drive the first clamping block 353 to grab the qualified connecting cap; 4) the moving driving element 34 acts to drive the first grabbing hand 35 and the second grabbing hand 36 to move to the positions where the first grabbing hand 35 and the second grabbing hand 36 are connected with the first guide pipe 37 and the second guide pipe 38 respectively, and the first grabbing hand 35 and the second grabbing hand 36 respectively release the qualified connecting caps and the unqualified connecting caps to be picked and discharge to complete the connecting cap moving process.
The connecting cap moving mechanism 3 solves the problem that when the connecting cap is discharged and moved, the two mechanical arms are respectively controlled to move the connecting caps which are qualified in press mounting and the connecting caps which are unqualified in press mounting to different receiving ends in the connecting cap receiving mechanism; when two different mechanical arms are used for grabbing the connecting cap, two sets of driving mechanisms are needed and need to be controlled respectively, so that the number of the driving mechanisms and the complexity of equipment are increased. Meanwhile, when the two manipulators move the connecting caps respectively, each manipulator needs to move to a grabbing station to grab the connecting caps firstly, and then the grabbed connecting caps are moved to different receiving stations for blanking, namely, the two sets of manipulators need four steps to complete the moving and blanking process; thereby causing the problems of more moving steps and reducing the moving efficiency of the connecting cap. By arranging the transfer robot 32 and the transfer guide assembly 33; after the press-mounted connecting caps are conveyed to the moving station, the moving driving element 34 acts to drive the second grabbing hand 36 to move to the moving station, and the second grabbing cylinder 361 acts to drive the second grabbing block 362 to grab the unqualified connecting caps; the moving driving element 34 acts to drive the first grabbing hand 35 to move to the moving station, and the first grabbing cylinder 351 acts to drive the first clamping block 353 to grab the qualified connecting cap; the moving driving element 34 acts to drive the first grabbing hand 35 and the second grabbing hand 36 to move to the positions where the first grabbing hand 35 and the second grabbing hand 36 are connected with the first guide pipe 37 and the second guide pipe 38 respectively, and the first grabbing hand 35 and the second grabbing hand 36 respectively release the qualified connecting caps and the unqualified connecting caps to be picked and discharge to complete the connecting cap moving process. In the moving mode, the first grabbing hand 35 and the second grabbing hand 36 are connected with the same moving driving element 34, that is, only one set of driving mechanism is needed to control the two grabbing hands, and the number of the driving mechanisms and the complexity of the equipment are reduced. Meanwhile, when the first grabbing hand 35 is connected with the first guide pipe 37, the second grabbing hand 36 is connected with the second guide pipe 38, namely, the first grabbing hand 35 feeds qualified connecting caps to the first guide pipe 37, and the second grabbing hand 36 feeds unqualified connecting caps to the second guide pipe 38; namely, the moving mode comprises three steps of grabbing qualified connecting caps by the first grabbing hand 35, grabbing unqualified connecting caps by the second grabbing hand 36, and simultaneously blanking by the first grabbing hand 35 and the second grabbing hand 36; compared with the four-step moving and blanking process which is required by the two sets of mechanical arms to move respectively, the moving mode reduces the moving steps of the connecting cap and improves the moving efficiency of the connecting cap.
Claims (10)
1. A device for processing a disk-shaped gasket of a storage battery is characterized by comprising a gasket processing rack (11), a gasket driving mechanism (12), a steel belt (13), a transmission wheel (14) and a gasket forming mechanism (15); the output end of the gasket driving mechanism (12) is connected with the steel belt (13), and a groove on the steel belt (13) is matched with the disc-shaped gasket; the driving wheel (14) and the gasket forming mechanism (15) are fixed on the gasket processing rack (11), the outer surface of the driving wheel (14) is matched with the surface of the steel belt (13), and the output end of the gasket forming mechanism (15) is connected with the disc-shaped gasket; the gasket driving mechanism (12) is used for driving the steel belt (13) to move; the gasket forming mechanism (15) is used for processing the gasket mold blank into a disc-shaped gasket;
the gasket driving mechanism (12) comprises a gasket driving base plate (121), a gasket driving cylinder (122), a gasket guide rail sliding block (123), a steel strip shifting assembly (124) and a steel strip pressing assembly (125); the output end of the gasket driving cylinder (122) is connected with a steel strip shifting assembly (124), and the steel strip shifting assembly (124) is fixed on a sliding block in the gasket guide rail sliding block (123); and the steel belt pressing component (125) is fixed on the gasket driving bottom plate (121); the steel belt shifting assembly (124) and the steel belt pressing assembly (125) both comprise a gasket pressing cylinder (126), a gasket upper clamping block (127) and a gasket lower clamping block (128); the output end of the gasket pressing cylinder (126) is connected with the gasket upper clamping block (127), and the lower surface of the gasket upper clamping block (127) and the upper surface of the gasket lower clamping block (128) are respectively contacted with or separated from the upper surface and the lower surface of the steel belt (13) under the driving of the gasket pressing cylinder (126).
2. The battery disc washer machining device according to claim 1, wherein the washer upper clamp block (127) comprises a first upper clamp block (1271), a second upper clamp block (1272), and a third upper clamp block (1273); the upper end of the first upper clamping block (1271) is connected with the output end of the gasket pressing cylinder (126); the upper end and the lower end of the second upper clamping block (1272) are respectively connected with the lower end of the first upper clamping block (1271) and the upper end of the third upper clamping block (1273); the lower end of the third upper clamping block (1273) is contacted with or separated from the upper surface of the steel belt (13).
3. The apparatus for processing a battery coned disc washer as claimed in claim 1, wherein the protrusion of the lower end of the first upper clamping block (1271) is engaged with the groove of the upper end of the second upper clamping block (1272).
4. A battery disc washer machining apparatus according to claim 1, wherein the washer lower clamp block (128) comprises a first lower clamp block (1281) and a second lower clamp block (1282); the upper end of the first lower clamping block (1281) is connected with the lower end of the second lower clamping block (1282), and the upper end of the second lower clamping block (1282) is contacted with or separated from the lower surface of the steel belt (13); the lower end of a first lower clamping block (1281) of the steel strip shifting assembly (124) is connected with a sliding block in the gasket guide rail sliding block (123), and the lower end of a first lower clamping block (1281) of the steel strip pressing assembly (125) is connected with the gasket driving base plate (121).
5. A battery disc washer machining apparatus according to claim 1, wherein the material of the third upper clamp block (1273) and the material of the second lower clamp block (1282) are both acrylic rubber.
6. A battery disc washer processing apparatus as defined in claim 1, wherein the washer drive mechanism (12) further comprises a washer stop assembly (16); the plurality of gasket limiting assemblies (16) are respectively fixed on the workbench, and the output ends of the plurality of gasket limiting assemblies (16) are respectively contacted with the steel belt toggle assembly (124).
7. A battery disc washer processing apparatus as defined in claim 1, wherein the washer drive mechanism (12) further comprises a bottom plate adjustment assembly (17); the bottom plate adjusting assembly (17) is fixed on the workbench, and the output end of the bottom plate adjusting assembly (17) is connected with the gasket driving bottom plate (121); the bottom plate adjusting assembly (17) is used for adjusting the position of the steel strip shifting assembly (124) and the steel strip pressing assembly (125) relative to the steel strip (13).
8. The battery disc washer machining device according to claim 7, wherein the bottom plate adjusting assembly (17) comprises an adjusting bottom block (171), an adjusting screw (172) and an adjusting pull block (173); the adjusting bottom block (171) is fixed on the workbench, and the adjusting screw (172) penetrates through the adjusting bottom block (171) and is connected with the adjusting pull block (173); the adjusting pull block (173) is connected with the gasket driving bottom plate (121).
9. A battery disc washer processing method using the battery disc washer processing apparatus according to claim 1, comprising the steps of:
1) the gasket feeding device feeds the disc-shaped gasket mold blank onto the steel belt (13) for positioning;
2) a gasket pressing cylinder (126) in the steel strip shifting assembly (124) extends to drive a third upper clamping block (1273) connected with the gasket pressing cylinder to move downwards to a position contacted with the upper surface of the steel strip (13), and the upper surface of a gasket lower clamping block (128) in the steel strip shifting assembly (124) is contacted with the lower surface of the steel strip (13) to press the steel strip (13);
3) the gasket driving cylinder (122) acts to drive the steel strip shifting assembly (124) to move along the gasket guide rail sliding block (123), and the steel strip shifting assembly (124) drives the steel strip (13) pressed by the steel strip shifting assembly to move for a distance of one station to convey the disc-shaped gasket mold blank to a processing position;
4) a gasket pressing cylinder (126) in the steel strip pressing component (125) extends out to drive a third upper clamping block (1273) to move downwards, and a gasket lower clamping block (128) in the steel strip pressing component (125) is in contact with the lower surface of the steel strip (13) to press the steel strip (13);
5) and the gasket forming mechanism (15) acts to process the disc-shaped gasket mold blank at the station to finish the disc-shaped gasket processing process.
10. An automatic production system for storage battery binding posts comprises connecting cap assembling equipment, and is characterized in that the equipment comprises a workbench, and a gasket feeding device, a gasket processing device (1), a connecting cap press-fitting device and a connecting cap blanking device (2) which are fixed on the workbench; the gasket processing apparatus (1) is as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108805.XA CN112387882A (en) | 2020-10-16 | 2020-10-16 | Device and method for machining disk-shaped gasket of storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011108805.XA CN112387882A (en) | 2020-10-16 | 2020-10-16 | Device and method for machining disk-shaped gasket of storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112387882A true CN112387882A (en) | 2021-02-23 |
Family
ID=74595998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011108805.XA Withdrawn CN112387882A (en) | 2020-10-16 | 2020-10-16 | Device and method for machining disk-shaped gasket of storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112387882A (en) |
-
2020
- 2020-10-16 CN CN202011108805.XA patent/CN112387882A/en not_active Withdrawn
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Application publication date: 20210223 |
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