CN218261161U

CN218261161U - Button cell punching diaphragm mechanism

Info

Publication number: CN218261161U
Application number: CN202222556248.9U
Authority: CN
Inventors: 周均; 李星; 周小媛
Original assignee: Dongguan Shige Electronics Group Co Ltd
Current assignee: Dongguan Shige Electronics Group Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-10
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to the technical field of button cell processing, in particular to a button cell punching diaphragm mechanism, which comprises a punching station for a diaphragm to pass through, wherein a actively rotating material receiving disc and a passively rotating material discharging disc are arranged above the punching station, a actively rotating and clearance-fit driven guide roller and a driving guide roller are arranged on one side of the punching station, and a driven rotating transmission guide roller is arranged on the other side of the punching station; the diaphragm sequentially passes through a discharging disc which rotates in a driven mode, a gap between a transmission guide roller and a driven guide roller, a punching station and a driving guide roller which rotates in a driving mode and enters a material receiving disc which rotates in a driving mode; when the diaphragm passes through the punching station, one side of the diaphragm is matched with the transmission guide roller, the other side of the diaphragm is guided to pass through the punching station in a gap rolling mode with the driving guide roller and the driven guide roller, the diaphragm can be straightened, the diaphragm cannot be arched or overlapped at the punching station, the diaphragm is punched flatly, the punched diaphragm can be attached to the steel shell in a concentric mode, and punching quality is guaranteed.

Description

Button cell punching diaphragm mechanism

Technical Field

The utility model relates to a button cell processing technology field especially relates to the die-cut diaphragm mechanism of button cell.

Background

Button cells are also classified into two major types, chemical cells and physical cells, and the chemical cells are most commonly used. They consist of an anode (positive electrode), a cathode (negative electrode), and an electrolyte solution thereof. The surface of the battery is made of stainless steel material and is used as an anode, the cathode of the battery is a stainless steel circular cover, a sealing ring is arranged between the anode and the cathode for insulation, the sealing ring is made of nylon, and the sealing ring can play an insulation role and can prevent electrolyte from leaking. Button cells are in various types, and most of them are named after used materials, such as silver oxide cells, lithium cells, alkaline manganese cells and the like.

In button cell production equipment, a piece of diaphragm needs to be punched in a negative electrode shell to separate a positive electrode and a negative electrode. Diaphragm die-cut mechanism commonly used can appear becoming flexible when the rolling or unreeling at the during operation, and the phenomenon that hunch-up or overlap can appear at die-cut station to the diaphragm, and the diaphragm of die-cut of guide pin is not concentric with the steel-shelled, and the quality of die-cut diaphragm is not good, influences button cell's quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die-cut diaphragm mechanism of button cell to prior art's not enough.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the die-cut diaphragm mechanism of button cell, including the die-cut station that supplies the diaphragm to pass through, die-cut station top is provided with initiative pivoted and receives charging tray and driven pivoted blowing dish, die-cut station one side be provided with can initiatively pivoted initiative guide roll and with initiative guide roll clearance fit's driven guide roll, die-cut station opposite side is provided with driven pivoted transmission guide roll, the diaphragm enters into initiative pivoted material receiving tray through driven pivoted blowing dish, transmission guide roll and driven guide roll's clearance, die-cut station, initiative pivoted initiative guide roll in proper order.

Further: and a detection plate is arranged above the punching station, and is provided with two groups of diaphragm detection assemblies, wherein one group of diaphragm detection assemblies is used for the diaphragm of the discharging disc to pass through, and the other group of diaphragm detection assemblies is used for the diaphragm entering the receiving disc to pass through.

Further: the diaphragm detection assembly comprises a pair of first diaphragm guide rollers arranged in a clearance mode, a longitudinal guide rail arranged longitudinally is arranged between the two first diaphragm guide rollers, a longitudinal sliding seat is slidably mounted on the longitudinal guide rail, and a second diaphragm guide roller is mounted on the longitudinal sliding seat.

Further: the detection plate is provided with a lifting sliding groove for the second diaphragm guide roller to lift and slide, the longitudinal guide rail is installed at the back of the detection plate, the second diaphragm guide roller penetrates through the lifting sliding groove to be installed on the longitudinal sliding seat, and travel switches for the longitudinal sliding seat to sense are installed at the top and the bottom of the detection plate.

Further: die-cut station side is provided with step motor and a pair of vertical seat that is used for installing the initiative guide roll, and driven guide roll is for rotationally installing the rubber tyer between two vertical seats, and step motor is connected with the transmission of initiative guide roll, and the diaphragm after the die-cut passes the clearance between initiative guide roll and the rubber tyer.

Further: the punching station comprises a bottom die and a top die, an entering groove for a battery to slide into and an exiting groove for the battery to move out are formed in the bottom die, the entering groove and the exiting groove are connected with each other, and a pushing block for pushing the battery out is arranged in the exiting groove in a sliding mode.

Further: the top die is provided with the die-cut subassembly of liftable above, and the direction mould that supplies the diaphragm to pass through is installed to the top die, and the shaping of direction mould has the die-cut hole that supplies the coaxial passing of die-cut subassembly, and the shaping of direction mould bottom has the clamping ring that can support the battery top surface.

And further: the punching assembly comprises a punching shaft knife which penetrates through the guide die in a lifting mode and an air nozzle piece which moves in the punching shaft knife in a lifting mode.

And further: the punching assembly further comprises a lifting seat, a punching seat and a cylinder body mounting seat, the punching seat and the cylinder body mounting seat are mounted on the lifting seat, the punching shaft cutter is mounted at the bottom of the punching seat, a pneumatic seat used for mounting an air nozzle piece is arranged below the cylinder body mounting seat, a fixing seat is arranged beside the lifting seat, a vertical guide rail is longitudinally arranged on the fixing seat, and the lifting seat is slidably mounted on the vertical guide rail.

Further: the top of the lifting seat is provided with a transverse seat, and the transverse seat is provided with a first lifting driving piece of which the driving end is connected with the lifting seat; the second lifting driving piece that drive end and pneumatic seat are connected is installed to the cylinder body mount pad, and the top guide bar is installed at pneumatic seat top, and the cylinder body mount pad shaping has the top guiding hole that supplies the top guide bar to slide and pass.

The utility model has the advantages that: the diaphragm sequentially passes through a discharging disc which rotates in a driven mode, a gap between a transmission guide roller and a driven guide roller, a punching station and a driving guide roller which rotates in a driving mode and enters a material receiving disc which rotates in a driving mode; when the diaphragm passes through the punching station, one side of the diaphragm is matched with the transmission guide roller, the other side of the diaphragm is guided to pass through the punching station in a gap rolling mode with the driving guide roller and the driven guide roller, the diaphragm can be straightened, the diaphragm cannot be arched or overlapped at the punching station, the diaphragm is punched flatly, the punched diaphragm can be attached to the steel shell in a concentric mode, and punching quality is guaranteed.

Drawings

Fig. 1 is a schematic structural view of a die-cut separator mechanism.

Fig. 2 is another perspective view of the die cut diaphragm mechanism, with the die cut assembly hidden.

Fig. 3 is a schematic view of the structure of the blanking assembly.

Fig. 4 is an exploded view of the die cutting station.

The reference numerals include:

1-a material placing tray,

10-material receiving disc, 11-detection plate, 12-diaphragm detection assembly, 13-first diaphragm guide roller,

14-second diaphragm guide roller, 15-longitudinal guide rail, 16-longitudinal sliding seat, 17-lifting sliding groove,

18-travel switch,

2-driving guide roller,

21-step motor, 22-vertical seat, 23-driving guide roller, 24-rubber wheel,

3-punching station,

31-bottom die, 32-top die, 33-entering groove, 34-withdrawing groove, 35-push block, 36-guide die,

37-punching hole, 38-press ring,

4-a punching assembly,

40-lifting seat, 41-fixed seat, 42-transverse seat, 43-cylinder body mounting seat, 44-pneumatic seat,

45-punching seat, 46-punching shaft knife, 47-air nozzle piece, 48-first lifting driving piece,

49-a second lifting driving piece, 50-a vertical guide rail, 51-a back sliding seat, 52-a top guide rod,

53-Top guide hole.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the membrane punching mechanism for button cells comprises a punching station 3 for membranes to pass through, a feeding tray 1 driven to rotate and a receiving tray 10 driven to rotate by a servo driving motor are arranged above the punching station 3, a detection plate 11 is arranged above the punching station 3, two sets of membrane detection assemblies 12 are mounted on the detection plate 11, one set of membranes led out from the feeding tray 1 pass through, the other set of membranes before entering the receiving tray 10 pass through, each membrane detection assembly 12 comprises a pair of first membrane guide rollers 13 arranged at intervals, a longitudinal guide rail 15 arranged longitudinally is arranged between the two first membrane guide rollers 13, a longitudinal sliding seat 16 is mounted on the longitudinal guide rail 15 in a sliding manner, and a second membrane guide roller 14 is mounted on the longitudinal sliding seat 16. The detection plate 11 is provided with a lifting sliding groove 17 for the second diaphragm guide roller 14 to lift and slide, the longitudinal guide rail 15 is installed at the back of the detection plate 11, the second diaphragm guide roller 14 passes through the lifting sliding groove 17 and is installed on a longitudinal sliding seat 16, the top and the bottom of the detection plate 11 are both provided with a travel switch 18 for the longitudinal sliding seat 16 to sense, the travel switch 18 is an existing EE-SX672A00 groove type photoelectric switch, and the travel switch 18 is in signal connection with an active motor.

The diaphragm sequentially passes through one of the first diaphragm guide rollers 13, the second diaphragm guide roller 14 and the other first diaphragm guide roller 13 to form U-shaped transmission, during normal winding, the pulling force of the diaphragm can drive the second diaphragm guide roller 14 to slightly lift and move near the middle of the longitudinal guide rail, the lifting amplitude is small, when the diaphragm loosens, the pulling force borne by the second diaphragm guide roller 14 can be reduced, the longitudinal sliding seat 16 provided with the second diaphragm guide roller 14 can descend along the longitudinal guide rail 15 due to gravity, the longitudinal sliding seat 16 can touch the travel switch 18 at the bottom end, the driving motor in signal connection with the travel switch 18 can increase the rotating speed, the winding speed is increased, the loosened diaphragm is gradually straightened, and the diaphragm can smoothly pass through the punching station 3.

When the tensioning force of diaphragm is great, the pulling force that second diaphragm guide roll 14 received can increase, install the vertical sliding seat 16 of second diaphragm guide roll 14 and can rise along longitudinal rail 15 because of the pulling force, vertical sliding seat 16 can touch the travel switch 18 on top, servo driving motor with this travel switch 18 signal connection then can reduce the rotational speed, reduce the winding speed, make the great diaphragm of tensioning force not hard up gradually, guarantee that the diaphragm is levelly accomplished through die-cut station 3, can prevent that the diaphragm from carrying the too big cracked phenomenon of appearance because of tensioning force, can carry out real-time detection and regulation to the elasticity degree of diaphragm.

Die-cut station 3 one side is provided with driven pivoted transmission guide roll 2, and the opposite side is provided with step motor 21 and a pair of parallel interval arrangement's vertical seat 22, installs initiative guide roll 23 and with initiative guide roll 23 clearance fit's driven guide roll between two vertical seats 22 through the bearing frame, and step motor 21 is connected with initiative guide roll 23 transmission, and driven guide roll is rubber tyer 24, multiplicable and diaphragm's frictional force, and transport stability further improves.

The diaphragm is led out from the discharging disc 1, and is wound and wasted by the material receiving disc 10 after sequentially passing through one group of diaphragm detection assemblies 12, the transmission guide roller 2, the punching station 3, a gap between the driving guide roller 23 and the rubber wheel 24 and the other group of diaphragm detection assemblies 12. When the diaphragm passes through the punching station 3, one side of the diaphragm is rolled by a gap between the driving guide roller 23 and the rubber wheel 24, the other side of the diaphragm is guided and conveyed by the transmission guide roller 2, the stepping motor 21 can rotate, the diaphragm is straightened by rolling, the stepping motor 21 stops rotating after straightening, the diaphragm cannot be arched or overlapped at the punching station 3, the diaphragm can be punched smoothly, the punched diaphragm can be attached to a steel shell in a concentric mode, and punching quality is guaranteed.

The punching station 3 comprises a bottom die 31 and a top die 32, wherein the bottom die 31 is formed with an entering groove 33 for a battery to slide in and an exiting groove 34 for the battery to move out, the entering groove 33 and the exiting groove 34 are connected with each other, and a push block 35 for pushing the battery out is arranged in the exiting groove 34 in a sliding manner; the battery needing to be attached with the diaphragm is pushed into the entering groove 33 and enters the exiting groove 34 along the entering groove 33; after punching, the pushing block 35 is driven by the telescopic cylinder to push the batteries exiting from the slot 34 outwards, so that the batteries exit from the punching station 3.

A liftable punching assembly 4 is arranged above the top die 32, the top die 32 is provided with a guide die 36 for a diaphragm to pass through, the guide die 36 is provided with a punching hole 37 for the punching assembly 4 to coaxially pass through, the diaphragm horizontally passes through the punching hole 37 at the top of the guide die 36 in a fitting manner, and the bottom of the guide die 36 is provided with a pressing ring 38 capable of abutting against the top surface of the battery; the cell can be coaxially aligned with the guide die 36 as it enters the exit slot 34 along the entrance slot 33, and then the press ring 38 at the bottom of the guide die 36 can be pressed down against the top surface of the cell's steel can for the punch assembly 4 to coaxially punch the membrane.

The punching assembly 4 comprises a punching shaft knife 46 which penetrates through the guide die 36 in a lifting mode and an air nozzle piece 47 which moves in the punching shaft knife 46 in a lifting mode, a through hole for the air nozzle piece 47 to slide in the lifting mode is formed in the punching shaft knife 46, the air nozzle piece 47 is a hollow rod which coaxially moves up and down along the punching shaft knife 46, a pneumatic head is connected to the top of the hollow rod and can achieve adsorption, the punching assembly 4 further comprises a lifting seat 40, a punching seat 45 and a cylinder body mounting seat 43, the punching shaft knife 46 is mounted at the bottom of the punching seat 45, a pneumatic seat 44 for mounting the air nozzle piece 47 is arranged below the cylinder body mounting seat 43, a fixing seat 41 which is vertically arranged is arranged on the side of the lifting seat 40, a vertical guide rail 50 is longitudinally arranged on the fixing seat 41, the lifting seat 40 is slidably mounted on the vertical guide rail 50 through a back sliding seat 51 on the back, a transverse seat 42 is mounted on the top of the lifting seat 40, and a first lifting driving piece 48, wherein a driving end of the first lifting driving piece is connected with the lifting seat 40, is mounted on the transverse seat 42; the cylinder mounting seat 43 is provided with a second lifting driving member 49 having a driving end connected to the pneumatic seat 44, a top guide rod 52 is mounted on the top of the pneumatic seat 44, and the cylinder mounting seat 43 is formed with a top guide hole 53 through which the top guide rod 52 slides, so that the air nozzle member 47 mounted on the pneumatic seat 44 can be lifted and lowered coaxially on the blanking shaft cutter 46. The first elevation driving member 48 and the second elevation driving member 49 are both elevation cylinders.

During punching, the first lifting driving piece 48 drives the lifting seat 40 to press down along the vertical guide rail 50, the punching seat 45 and the cylinder body mounting seat 43 press down simultaneously, and the punching shaft knife 46 arranged on the punching seat 45 punches the diaphragm on the guide die 36 and penetrates through the punching hole 37; the second lifting driving member 49 installed on the cylinder mounting seat 43 simultaneously penetrates through the punching shaft knife 46 to absorb the diaphragm at the end of the punching shaft knife 46, when the punching shaft knife 46 abuts against the shell of the battery, the air nozzle member 47 stops absorbing, the diaphragm can be adhered in the battery shell, and the adhesion of the diaphragm is completed.

In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the effectiveness of the prior art and has practicability, and thus it is a product with practical value.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. Button cell die-cut diaphragm mechanism, including the die-cut station that supplies the diaphragm to pass through, its characterized in that: die-cut station top is provided with initiative pivoted and receives the charging tray and driven pivoted blowing dish, die-cut station one side be provided with can initiatively pivoted initiative guide roll and with initiative guide roll clearance fit's driven guide roll, die-cut station opposite side is provided with driven pivoted transmission guide roll, the diaphragm enters into initiative pivoted material collecting tray through driven pivoted blowing dish, transmission guide roll and driven guide roll's clearance, die-cut station, initiative pivoted initiative guide roll in proper order.

2. The button cell die cut separator mechanism of claim 1, wherein: a detection plate is arranged above the punching station, and two groups of diaphragm detection assemblies are mounted on the detection plate, wherein one group of diaphragms for the discharging disc to pass through and the other group of diaphragms for the receiving disc to pass through.

3. The button cell die cut separator mechanism of claim 2, wherein: the diaphragm detection assembly comprises a pair of first diaphragm guide rollers arranged in a clearance mode, a longitudinal guide rail arranged longitudinally is arranged between the two first diaphragm guide rollers, a longitudinal sliding seat is slidably mounted on the longitudinal guide rail, and a second diaphragm guide roller is mounted on the longitudinal sliding seat.

4. The button cell die cut separator mechanism of claim 3, wherein: the detection plate is provided with a lifting sliding groove for the second diaphragm guide roller to lift and slide, the longitudinal guide rail is installed at the back of the detection plate, the second diaphragm guide roller penetrates through the lifting sliding groove to be installed on the longitudinal sliding seat, and travel switches for the longitudinal sliding seat to sense are installed at the top and the bottom of the detection plate.

5. The button cell die cut separator mechanism of claim 1, wherein: die-cut station side is provided with step motor and is used for installing the stand of a pair of seat of initiative guide roll, and driven guide roll is for rotationally installing the rubber tyer between two stands, and step motor is connected with the transmission of initiative guide roll, and the diaphragm after the die-cut passes the clearance between initiative guide roll and the rubber tyer.

6. The button cell die cut separator mechanism of claim 1, wherein: die-cut station includes die block and top mould, and the die block shaping has the entering groove that the battery slided into and the groove that withdraws from that the battery shifted out, enters the groove and withdraws from groove interconnect, and wherein withdraws from inslot slidable mounting has the ejector pad of outwards pushing out the battery.

7. The button cell die cut separator mechanism of claim 6, wherein: the top die is provided with the die-cut subassembly of liftable above, and the direction mould that supplies the diaphragm to pass through is installed to the top die, and the shaping of direction mould has the die-cut hole that supplies the coaxial passing of die-cut subassembly, and the shaping of direction mould bottom has the clamping ring that can support the battery top surface.

8. The button cell die cut separator mechanism of claim 7, wherein: the punching assembly comprises a punching shaft knife which penetrates through the guide die in a liftable mode and an air nozzle piece which moves in the punching shaft knife in a lifting mode.

9. The button cell die cut separator mechanism of claim 8, wherein: die-cut subassembly still includes the lift seat and installs die-cut seat and the cylinder body mount pad at the lift seat, and die-cut axle sword is installed in die-cut seat bottom, and the pneumatic seat that is used for installing the air nozzle spare has been arranged to cylinder body mount pad below, and lift seat side is provided with the fixing base, and vertical guide rail has been vertically arranged to the fixing base, and lift seat slidable mounting is in vertical guide rail.

10. The button cell die cut separator mechanism of claim 9, wherein: the top of the lifting seat is provided with a transverse seat, and the transverse seat is provided with a first lifting driving piece of which the driving end is connected with the lifting seat; the second lifting driving piece that drive end and pneumatic seat are connected is installed to the cylinder body mount pad, and the top guide bar is installed at pneumatic seat top, and the cylinder body mount pad shaping has the top guiding hole that supplies the top guide bar to slide and pass.