CN115958116A - A stamping device for a positive electrode battery cover of a soft-packed graphene lithium battery cell - Google Patents

Abstract

The invention discloses a punching device of a soft package graphene lithium battery cell positive battery cover, which comprises a steel belt, a base, a feeding mechanism, a die holder, a punching mechanism and a linkage mechanism, wherein the punching mechanism comprises a lifting seat, a punching seat and a hydraulic cylinder, and the linkage mechanism comprises an installation seat and a connecting rod piece.

Description

A stamping device for a positive electrode battery cover of a soft-packed graphene lithium battery cell

technical field

The invention relates to a punching device for a positive electrode battery cover of a soft-packed graphene lithium battery cell. Through the mutual cooperation of a feeding mechanism, a punching mechanism and a linkage mechanism, automatic punching of the positive electrode cover can be realized.

Background technique

The charging and discharging speed of lithium-ion batteries is determined by the transmission and deintercalation speed of lithium ions in the electrode. Graphene has excellent electronic and ion conductivity and a special two-dimensional single atomic layer structure, which can form a three-dimensional structure between the electrode material particles. Electron and ion transport network structure, so graphene lithium battery has a great charge and discharge speed compared with traditional lithium battery.

Graphene lithium batteries are assembled from a plurality of battery cells. The positive electrode cover is one of the parts of the battery cells. It is usually processed by stamping. When the stamping equipment in the prior art is used, the circular The sheet is placed on the lower mold, and the upper mold is driven down by the hydraulic cylinder, and the upper and lower molds are matched to form a positive electrode cover of a specific shape, which has a low degree of automation and low processing efficiency.

For example, the patent application number is: CN201821407621.1 Chinese patent discloses a battery cap explosion-proof aluminum stamping jig, through the cooperation of the stamping head and the lower die base, the stamping of the battery cap is realized, but the patent has at least the following problems:

First, the raw material produced is circular, but in the actual processing process, the raw material used as a battery cover generally appears in the form of steel strips. In this invention, the steel strip needs to be cut into a circular shape of a specific size before it can be cut. Subsequent processing can be carried out, resulting in more processes and low processing efficiency;

Second, in the process of battery cover processing, the degree of automation of material loading and finished product unloading is not high.

Contents of the invention

In order to solve the above problems, the present invention provides a stamping device for the positive electrode battery cover of a soft-packed graphene lithium battery cell. The present invention is realized through the following technical solutions.

A stamping device for the positive electrode battery cover of a soft-packed graphene lithium battery cell, including a steel belt, and also includes:

The base, the right side of the base is fixedly connected with a supporting plate, and the right side of the base is provided with an accommodation cavity corresponding to the position of the supporting plate, and L-shaped positioning plates are symmetrically fixed on the supporting plates on the front and rear sides of the accommodation cavity. A chute is provided on the inner side and the front and rear inner walls of the accommodation cavity, a longitudinal conveying groove is provided on the upper surface of the base, and a punching groove leading to the accommodation chamber is provided in the middle of the conveying groove;

A feeding mechanism, the feeding mechanism is symmetrically arranged on the upper surface of the base, the steel belt is located in the conveying trough, and the feeding mechanism is used to drive the steel belt to move longitudinally;

The mold base, the mold base is slidably connected between the positioning plates, the size of the mold base is consistent with the receiving cavity, the front and rear sides of the mold base are fixed with sliders corresponding to the chute, and the upper surface of the mold base is provided with grooves , the bottom of the groove is provided with a punch;

A punching mechanism, the punching mechanism includes a lifting seat, a punching seat and a hydraulic cylinder; the upper surface of the base corresponds to the position of the punching groove and is fixed with four guide rods in a rectangular shape, and the four corners of the lifting seat are connected to the guide rods. The rod is slidingly connected, the punching seat is fixed on the lower surface of the lifting seat, the vertical projection of the punching seat coincides with the punching groove, and the lower surface of the punching seat is provided with a molding cavity that is adapted to the punch. A seat plate is fixedly connected to the top of the guide rod, and the hydraulic cylinder is fixedly connected to the center of the seat plate. The hydraulic cylinder is provided with a vertically downward piston rod, and the bottom of the piston rod is fixedly connected to the upper surface of the lifting seat;

A linkage mechanism, the linkage mechanism includes a mounting base and a connecting rod; the mounting base is fixedly connected to the right side of the lifting base through a vertically evenly arranged support rod, and a support plate is fixedly connected to the right side of the mounting base, and the support plate The upper longitudinal evenly slides and connects the limit bar, the bottom of the limit bar is fixedly connected with the supporting plate, the top of the limit bar is fixed with an anti-off block, and the lower surface of the mounting seat and the right side of the mold base are fixed with a shaft , the connecting rods are hinged between the shafts.

Further, rolling grooves are provided on the front and rear sides of the conveying trough, and a rotating roller is connected to the rotating roller uniformly rotating longitudinally in the rolling groove, and the top of the rotating roller is flush with the conveying groove.

Further, the connecting rod includes a telescopic rod, a swivel seat symmetrically fixed at both ends of the telescopic rod, and a telescopic spring sleeved outside the telescopic rod, and the two swivel seats are rotatably connected to the corresponding shaft;

When the piston rod is in the minimum shrinkage state, the mold base is in contact with the inner wall of the right side plate of the positioning plate, and the telescopic rod is in a vertical state and the telescopic spring is in a natural state;

When the mold base is completely in the accommodation cavity and the telescopic spring is in a natural state, the punching seat is located above the base;

When the piston rod is in the maximum extension state, the distance between the lower surface of the punching head and the bottom surface of the groove is equal to the thickness of the steel strip.

Further, the feed mechanism includes a transmission bin, a feed assembly and a motor; the transmission bin is fixedly connected to the left side of the conveying trough, and the right side of the conveying trough is fixedly connected to an ear seat, and the two ends of the feed assembly The first rotating shaft is symmetrically fixed, and the first rotating shafts on the left and right sides are respectively connected to the transmission chamber and the ear seat. The head of the first rotating shaft on the left extends into the transmission chamber and is fixedly connected with a driven bevel gear. The transmission chamber is also rotatably connected with a second rotating shaft, the driving bevel gear meshing with the driven bevel gear is fixedly connected to the second rotating shaft, the motor is fixedly connected to the base through the frame, and one end of the second rotating shaft is connected to the motor The output shaft is butted through the coupling.

Further, the feed assembly includes a turntable and a slide bar; the left and right sides of the turntable are symmetrically fixed to the first rotating shaft, and the turntable is a positive multi-deformation, and the inside of the turntable is provided with a sliding cavity corresponding to each side of the turntable. A sliding seat is slidably connected in the sliding cavity, and an ejection spring is fixedly connected between the sliding seat and the bottom of the sliding cavity. The sliding rod is fixed on the sliding seat and is slidably connected with the turntable. There is an arc-shaped plate, and an arc-shaped rubber pad is fixedly connected to the outer wall of the arc-shaped plate.

Further, it also includes a discharge mechanism, which includes a blower and a discharge seat; the height of the positioning plate on the front side is smaller than the thickness of the mold base, and the height of the positioning plate on the rear side is greater than the thickness of the mold base, so The upper surface of the supporting plate is provided with a wind cavity, and the position of the corresponding groove in the mold base is uniformly opened with a through hole. When the mold base is in contact with the right side plate of the positioning plate, the vertical projection of the through hole Located in the air chamber, the positioning plate on the rear side is evenly fixed with an air jet sub-pipe horizontally, the front end of the air jet sub-pipe is fixed with a nozzle, and the rear end of the air jet sub-pipe is integrally connected with an air jet main pipe, and the blower is fixed Connected to the right side of the base, the inlet and outlet of the blower are fixedly connected with an air inlet pipe and an air outlet pipe respectively, the head of the air outlet pipe is fixedly connected with a tee, and the other two interfaces of the tee pass They are respectively connected with the air injection main pipe and the air cavity, the discharge seat is fixed on the front side of the supporting plate, and the upper surface of the discharge seat is inclined.

Further, the hydraulic cylinder works through a time relay controller, and the hydraulic cylinder controls the piston rod to perform intermittent reciprocating telescopic movement under the action of the time relay, and also includes a trigger mechanism. When the hydraulic cylinder brakes, the trigger mechanism starts the motor and blower.

Further, the trigger mechanism includes a control box, a power connection block, and a power connection rod; The block is slidingly connected in the control box and arranged symmetrically front and back. The side of the power connection block is fixedly connected with a guide block. The inner wall of the control box is provided with a guide groove corresponding to the guide block. Insulating springs, the sides of the connecting blocks far away from each other are also electrically connected with wires, the wires pass through the wire slot, and the ends of the connecting blocks close to each other are matching seats, and the size of the matching seats is along the direction pointing to the center of the control box. The direction is decreasing, and the center of the bottom plate of the control box is provided with a through groove, and the connecting rod is fixed on the upper surface of the lifting seat and corresponds to the position of the through groove;

It also includes an external power supply, one stage of the external power supply is electrically connected to one of the power connection blocks, one of the terminals of the motor and the blower is electrically connected to the other power connection block, and the other terminal of the motor and the blower Commonly electrically connected to the other pole of the external power supply.

Further, when the guide block is in contact with the side of the guide groove close to the center of the control box, the insulating spring is in a natural state, and at this time the distance between the mating blocks is smaller than the longitudinal width of the connecting rod; the piston rod is in the In the minimum retracted state, the top of the pole is inserted between the mating blocks.

The beneficial effect of the present invention is that the present invention drives the lifting seat and the punching seat to carry out reciprocating lifting movement through the hydraulic cylinder. When the lifting seat and the punching seat are lowered, the linkage mechanism drives the mold seat to move to the left and enters the accommodating cavity. When the punching seat is lowered, the circular material is punched out on the steel belt, and the finished positive battery cover is punched out by the cooperation of the forming cavity and the punch. Sliding in the cavity to complete the unloading of the finished product, and the feeding mechanism can realize the movement of the steel strip, that is, the device can automatically realize the processes of punching, punching, unloading and steel strip feeding, which can simplify the processing flow and improve the processing efficiency. speed.

Description of drawings

In order to illustrate the technical solution of the present invention more clearly, the following will briefly introduce the accompanying drawings that need to be used in the description of specific embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1: the axonometric view of the stamping device of a kind of soft-packed graphene lithium battery cell positive battery cover of the present invention;

Fig. 2: a three-dimensional schematic diagram of the right rear of the punching device of the positive electrode battery cover of a soft-packed graphene lithium battery cell according to the present invention;

Fig. 3: the plan view of the punching device of a kind of soft-packed graphene lithium battery cell positive battery cover of the present invention;

Fig. 4: Schematic diagram of the structure of the base of the present invention;

Fig. 5: the three-dimensional schematic view of mold holder and linkage mechanism of the present invention;

Figure 6: a perspective view of the lower part of the lifting seat of the present invention;

Figure 7: Schematic diagram of the structure of the piston rod in the present invention when it is in the minimum shrinkage state;

Figure 8: Schematic diagram of the structure of the mold base of the present invention when it completely enters the accommodation cavity and the telescopic spring is in a natural state;

Figure 9: Schematic diagram of the structure of the piston rod in the present invention when it is in the state of maximum extension;

Figure 10: a schematic structural view of the feed mechanism of the present invention;

Figure 11: a half-sectional view of the feed assembly of the present invention;

Fig. 12: a schematic structural view of the unloading mechanism of the present invention;

Figure 13: a schematic diagram of the internal structure of the control box of the present invention;

Fig. 14: Schematic diagram of the structure when the pole of the present invention does not enter the control box;

Figure 15: Schematic diagram of the structure when the pole of the present invention enters the control box;

Fig. 16: A schematic diagram of the circuit connection of the motor and the blower according to the present invention.

The reference signs are as follows:

A-steel belt; B-positive battery cover;

1-base, 11-supporting plate, 12-accommodating cavity, 13-positioning plate, 14-chute, 15-transporting trough, 16-cutting trough, 17-rolling trough, 18-roller;

2-feed mechanism, 21-transmission bin, 22-feed assembly, 221-turntable, 222-slider, 223-sliding chamber, 224-slider, 225-ejection spring, 226-curved plate, 227- Arc-shaped rubber pad, 23-motor, 24-ear seat, 25-first rotating shaft, 26-driven bevel gear, 27-second rotating shaft, 28-driving bevel gear, 29-coupling;

3-die base, 31-slider, 32-groove, 33-punch;

4-punching mechanism, 41-lifting seat, 42-punching seat, 43-hydraulic cylinder, 44-guide rod, 45-forming cavity, 46-seat plate, 47-piston rod;

5-linkage mechanism, 51-mounting seat, 52-connecting rod, 521-telescopic rod, 522-swivel seat, 523-telescopic spring, 53-rod, 54-support plate, 55-limiting rod, 56-anti Deblocking, 57-shaft;

61-Blower, 62-Unloading seat, 63-Air cavity, 64-Through hole, 65-Jet sub-pipe, 66-Nozzle, 67-Jet main pipe, 68-Inlet pipe, 69-Outlet pipe, 610-Three Tong, 611-air supply pipe;

71-control box, 72-connection block, 73-connection pole, 74-wire groove, 75-guide block, 76-guide groove, 77-insulation spring, 78-wire, 79-cooperating seat, 710-through slot , 711-external power supply.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in Figures 1-16, the present invention has the following five specific embodiments.

Example 1

A stamping device for the positive electrode battery cover of a soft-packed graphene lithium battery cell, including a steel strip A, and also includes:

The base 1, the right side of the base 1 is fixed with a supporting plate 11, and the right side of the base 1 is provided with a receiving cavity 12 corresponding to the position of the supporting plate 11, and the supporting plates 11 on the front and rear sides of the receiving cavity 12 are symmetrically fixed with L-shaped The positioning plate 13, the inner side of the positioning plate 13 and the front and rear inner walls of the accommodating chamber 12 are provided with a chute 14, the upper surface of the base 1 is provided with a longitudinal conveying groove 15, and the middle part of the conveying groove 15 is provided with a channel leading to the accommodating chamber 12. Punching groove 16;

The feeding mechanism 2 is symmetrically arranged on the upper surface of the base 1, the steel strip A is located in the conveying groove 15, and the feeding mechanism 2 is used to drive the steel strip A to move longitudinally;

The mold base 3 is slidably connected between the positioning plates 13. The size of the mold base 3 is consistent with the housing cavity 12. The front and rear sides of the mold base 3 are fixedly connected with slide blocks 31 corresponding to the chute 14. The mold base 3 A groove 32 is provided on the upper surface of the groove 32, and a punch 33 is provided at the bottom of the groove 32;

Punching mechanism 4, punching mechanism 4 comprises lifting seat 41, punching seat 42 and hydraulic cylinder 43; The place is slidingly connected with the guide rod 44, the punching seat 42 is fixed on the lower surface of the lifting seat 41, the vertical projection of the punching seat 42 coincides with the punching groove 16, and the lower surface of the punching seat 42 is provided with a punch 33 Adapted forming cavity 45, the top of guide rod 44 is fixedly connected with seat plate 46, and hydraulic cylinder 43 is fixedly connected with the center of seat plate 46, and hydraulic cylinder 43 is provided with vertically downward piston rod 47, and the bottom of piston rod 47 is connected with The upper surface of the lifting seat 41 is fixedly connected;

The linkage mechanism 5, the linkage mechanism 5 includes a mounting base 51 and a connecting rod 52; the mounting base 51 is affixed to the right side of the lifting base 41 through a vertically evenly arranged strut 53, and the right side of the mounting base 51 is affixed with a support plate 54 , the support plate 54 is vertically evenly slidably connected with the limit rod 55, the bottom of the limit rod 55 is fixedly connected with the supporting plate 11, the top of the limit rod 55 is fixedly connected with an anti-off block 56, the lower surface of the mounting seat 51 and the mold base The right side of 3 is fixedly connected with shaft rod 57, and connecting rod 52 is hinged between shaft rod 57.

Preferably, rolling grooves 17 are provided on the front and rear sides of the conveying trough 15 , and a rotating roller 18 is connected to the rolling groove 17 for uniform longitudinal rotation, and the top of the rotating roller 18 is flush with the conveying groove 15 .

In this example:

When in use, the steel strip A is first placed in the conveying trough 15, and the feeding mechanism 2 can drive the steel strip A to move, and the setting of the rotating roller 18 makes the movement of the steel strip A smoother.

The hydraulic cylinder 43 can drive the piston rod 47 to extend or shorten, so that the lifting seat 41 and the punching seat 42 move up and down. Under the action of the support rod 53, the mounting seat 51 rises and falls synchronously, and the mounting seat 51 pulls the mold base through the connecting rod 52 3 Move left and right.

As shown in Figures 1, 2 and 7, when the initial position is set, the lifting seat 41 is at a high point. During the stamping process, the steel strip A remains still, and the lifting seat 41 descends along the guide rod 44, and drives the mounting seat 51 to descend. When the base 51 descends, the connecting rod 52 makes the mold base 3 move to the left and enter the receiving groove. When the mold base 3 enters the receiving groove completely, the groove 32 is aligned with the punching groove 16 .

When the lifting seat 41 elongates and descends, it drives the punching seat 42 to descend, and the punching seat 42 punches a circular sheet on the steel strip A, and drives the sheet to descend. When the forming cavity 45 cooperates with the punch 33, that is The sheet can be punched into the desired shape to form the desired positive cell cover.

After the stamping is completed, the piston rod 47 is shortened, which drives the lifting seat 41 and the punching seat 42 to rise. At the same time, under the action of the linkage mechanism 5, the mold base 3 slides out of the accommodating cavity 12, which is convenient for forming the positive electrode battery. The cover is unloaded and removed.

Example 2

The connecting rod 52 includes a telescopic rod 521, a swivel seat 522 symmetrically fixed at both ends of the telescopic rod 521, and a telescopic spring 523 sleeved outside the telescopic rod 521, and the two swivel seats 522 are rotatably connected to the corresponding shaft rod 57 respectively;

When the piston rod 47 was in the minimum shrinkage state, the mold base 3 was in contact with the right side plate inner wall of the positioning plate 13, and now the telescopic rod 521 was in a vertical state and the telescopic spring 523 was in a natural state;

As shown in FIG. 7 , the piston rod 47 is in the minimum retracted state at this time, and the mold base 3 is located outside the accommodating cavity 12 , which is convenient for unloading the molded positive electrode battery cover from the groove 32 .

When the mold base 3 completely enters the accommodation cavity 12 and the telescopic spring 523 is in a natural state, the punching seat 42 is located above the base 1;

As shown in Figure 8, when the piston rod 47 is extended, the lifting seat 41 and the punching seat 42 descend, and the mold base 3 moves to the left. 42 is located above the base 1 , and the groove 32 is aligned with the punched groove 16 at this moment.

When the piston rod 47 is in the state of maximum extension, the distance between the lower surface of the punching head and the bottom surface of the groove 32 is equal to the thickness of the steel strip A.

When the piston rod 47 continues to elongate, as shown in Figure 9, the position of the mold base 3 remains motionless, that is, before stamping, the mold base 3 has been put in place ahead of time, and during the stamping process, the mold base 3 remains motionless, and the mold base 3 When the lifting seat 41 continues to descend without moving, the telescopic rod 521 shortens to use the descending of the mounting seat 51, and the punching seat 42 completes the punching of the steel strip A with the descending of the lifting seat 41 to form a circular sheet. The seat 42 presses down the sheet, and when the punch 33 cooperates with the forming cavity 45, the sheet can be processed into a desired shape to form the positive battery cover.

In FIG. 9 , during the process of forming the positive electrode of the sheet, because the punch 33 makes the middle of the sheet protrude, the edge of the sheet will shrink toward the center.

When the piston rod 47 was shortened, the positional relationship between the lifting seat 41 and the mold base 3 changed from the state shown in Figure 9 to the state shown in Figure 8, and then became the state shown in Figure 7, that is, each part reset, and the next time can be restarted. processing.

Example 3

The feed mechanism 2 includes a transmission bin 21, a feed assembly 22 and a motor 23; the transmission bin 21 is affixed to the left side of the delivery trough 15, and the right side of the delivery chute 15 is affixed with an ear seat 24, and the two ends of the feed assembly 22 The first rotating shaft 25 is symmetrically fixed, and the first rotating shaft 25 on the left and right sides is respectively connected with the transmission chamber 21 and the ear seat 24. The head of the left first rotating shaft 25 extends into the transmission chamber 21 and is fixedly connected with the The driving bevel gear 26 is also rotatably connected with the second rotating shaft 27 in the transmission chamber 21, and the driving bevel gear 28 meshing with the driven bevel gear 26 is fixedly connected on the second rotating shaft 27, and the motor 23 is fixedly connected on the base 1 through the machine base , one end of the second rotating shaft 27 is docked with the output shaft of the motor 23 through a coupling 29 .

Preferably, the feed assembly 22 includes a turntable 221 and a slide bar 222; the left and right sides of the turntable 221 are symmetrically fixed to the first rotating shaft 25, the turntable 221 is a positive multi-deformation, and the inside of the turntable 221 is provided with sliding chambers corresponding to the positions of its sides 223, a sliding seat 224 is slidably connected in the sliding chamber 223, and an ejection spring 225 is fixedly connected between the sliding seat 224 and the bottom of the sliding chamber 223. An arc-shaped plate 226 is fixedly connected to the head of the rod 222 , and an arc-shaped rubber pad 227 is fixedly connected to the outer wall of the arc-shaped plate 226 .

In this example:

As shown in FIG. 10 , when the motor 23 works, it drives the driving bevel gear 28 to rotate, and the driving bevel gear 28 drives the driven bevel gear 26 meshed with it to rotate, so that the feed assembly 22 rotates to transport the steel strip A.

As shown in Figure 11, under the action of the ejection spring 225, the slide bar 222, the arc-shaped plate 226 and the arc-shaped rubber pad 227 are ejected, and the arc-shaped rubber pad 227 is in close contact with the steel strip A, and the arc-shaped rubber pad 227 The friction between the steel belt A drives the steel belt A to move and feed.

Example 4

Also comprise unloading mechanism, unloading mechanism comprises air blower 61 and unloading seat 62; An air cavity 63 is opened on the upper surface, and a through hole 64 is evenly opened on the circumference of the corresponding groove 32 in the mold base 3. When the mold base 3 is in contact with the right side plate of the positioning plate 13, the vertical projection of the through hole 64 is located in the air cavity. In 63, on the rear side positioning plate 13, the air jet secondary pipe 65 is evenly fixed horizontally, the front end of the air jet secondary pipe 65 is fixedly connected with the nozzle 66, and the rear end of the air jet secondary pipe 65 is integrally connected with the air jet main pipe 67, and the blower 61 is fixedly connected On the right side of the base 1, the inlet and outlet of the blower 61 are fixedly connected with an air inlet pipe 68 and an air outlet pipe 69 respectively, and the head of the air outlet pipe 69 is fixedly connected with a tee 610, and the other two interfaces of the tee 610 pass through The air duct 611 communicates with the air injection main pipe 67 and the air cavity 63 respectively, and the unloading seat 62 is fixedly connected to the front side of the supporting plate 11 , and the upper surface of the unloading seat 62 is inclined.

In this example:

When the mold base 3 is moved out into place, the air blower 61 will work to send air into the air cavity 63, and the air in the air cavity 63 will be blown out through the through hole 64 to blow the molded positive electrode cover. It is ejected from the nozzle 66, so that the formed positive electrode cover is blown forward and slides down from the discharge seat 62, which realizes automatic discharge.

Example 5

The hydraulic cylinder 43 works through the time relay controller, and the hydraulic cylinder 43 controls the piston rod 47 to perform intermittent reciprocating telescopic movement under the action of the time relay, and also includes a trigger mechanism. When the hydraulic cylinder 43 brakes, the trigger mechanism starts the motor 23 and the blower 61.

Preferably, the triggering mechanism includes a control box 71, a connection block 72 and a connection rod 73; The electric block 72 is slidably connected in the control box 71 and arranged symmetrically front and back. The side of the electric block 72 is fixedly connected with a guide block 75. The inner wall of the control box 71 is provided with a guide groove 76 corresponding to the guide block 75. The electric block 72 is connected to each other. The side away from each other is fixedly connected with an insulating spring 77, and the side away from each other of the connecting blocks 72 is also electrically connected with a wire 78. The wire 78 passes through the wire slot 74, and one end of the connecting blocks 72 close to each other is a mating seat 79. The size of the matching seat 79 decreases gradually along the direction pointing to the center of the control box 71. The center of the bottom plate of the control box 71 is provided with a through groove 710, and the connecting rod 73 is fixed on the upper surface of the lifting seat 41 and corresponds to the position of the through groove 710;

It also includes an external power supply 711, the first stage of the external power supply 711 is electrically connected to one of the power connection blocks 72, one of the terminals of the motor 23 and the blower 61 is electrically connected to the other power connection block 72, the motor 23 and the blower 61 The other terminal is electrically connected to the other pole of the external power supply 711 .

Preferably, when the guide block 75 is in contact with the side of the guide groove 76 near the center of the control box 71, the insulating spring 77 is in a natural state, and at this time the distance between the mating blocks is less than the longitudinal width of the connecting rod 73; the piston rod 47 is in the When in the minimum contraction state, the top of the connecting rod 73 is inserted between the mating blocks.

In this example:

As shown in Figure 13-15, when the lifting seat 41 rises, it will drive the connecting rod 73 to rise. When the piston rod 47 reaches the shortest contraction state, the connecting rod 73 is inserted between the connecting blocks 72, so that the two connecting rods The circuit of block 72 is turned on.

As shown in Figure 16, at this moment the circuit of motor 23 and blower 61 is conducted, that is, when the piston rod 47 is in the minimum shrinkage state, the motor 23 works to feed the steel strip A, and the blower 61 works to discharge.

That is, the overall working process of the present invention is as follows: the piston rod 47 is controlled by the time relay to perform intermittent reciprocating telescopic movement, that is, the piston rod 47 has a cycle working time T1 and a braking time T2, and in the T1 time period, the piston rod 47 First elongation and then shortening, in the T2 time period, the piston rod 47 remains motionless.

When the piston rod 47 is extended, the lifting seat 41 descends, and the mold base 3 enters the accommodating chamber 12 to complete the punching operation. Since the connecting rod 73 descends synchronously with the lifting seat 41, that is, the two connecting blocks 72 are in a disconnected state. During the stamping process, the steel strip A remains still and the blower 61 is stopped.

When the piston rod 47 is shortened, the lifting seat 41 rises and the mold base 3 slides out from the accommodating chamber 12. When the piston rod 47 is in the minimum retracted state, the piston rod 47 remains motionless. At this time, the vertical projection of the through hole 64 is placed In the wind chamber 63.

Then in the process of piston rod 47 brakes, motor 23 and air blower 61 work, and motor 23 work finishes the feeding of steel strip A, and when air blower 61 works, finishes unloading.

If circulation is required, the processes of stamping, unloading and material feeding can be automated.

The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments do not exhaust all details nor limit the invention to only specific embodiments. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (9)

1. A stamping device for the positive electrode battery cover of a soft-packed graphene lithium battery cell, comprising a steel strip, is characterized in that it also includes: a base, the right side of the base is fixedly connected with a supporting plate, and the right side of the base corresponds to the supporting plate The position of the plate is provided with an accommodation cavity, and L-shaped positioning plates are symmetrically fixed on the supporting plates on the front and rear sides of the accommodation cavity. There are slide grooves on the inner side of the positioning plate and the front and rear inner walls of the accommodation cavity, and the upper surface of the base is opened. The conveying trough, the middle part of the conveying trough is provided with a punching groove leading to the receiving chamber; the feeding mechanism, the feeding mechanism is symmetrically arranged on the upper surface of the base, the steel belt is located in the conveying trough, the The feed mechanism is used to drive the steel belt to move longitudinally; the mold base is slidably connected between the positioning plates, the size of the mold base is consistent with the accommodation cavity, and the front and rear sides of the mold base are fixedly connected with the corresponding slide grooves. The slider has a groove on the upper surface of the mold base, and a punch is arranged on the bottom of the groove; a punching mechanism, the punching mechanism includes a lifting seat, a punching seat and a hydraulic cylinder; the upper surface of the base The position corresponding to the punching groove is fixed with four guide rods in a rectangular shape, the four corners of the lifting seat are slidably connected with the guide rods, the punching seat is fixed on the lower surface of the lifting seat, the vertical projection of the punching seat is in line with the The punching slots are overlapped, the lower surface of the punching seat is provided with a forming cavity adapted to the punch, the top of the guide rod is fixedly connected to the seat plate, the hydraulic cylinder is fixed to the center of the seat plate, and the hydraulic cylinder is provided with a vertical Straight downward piston rod, the bottom of the piston rod is fixedly connected with the upper surface of the lifting seat; linkage mechanism, the linkage mechanism includes a mounting seat and a connecting rod; On the right side of the lifting seat, a support plate is fixedly connected to the right side of the mounting seat, and the limit rod is evenly slid longitudinally on the support plate, and the limit rod is fixedly connected to the bottom of the limit rod, and the top of the limit rod is fixed. An anti-off block is connected, and shaft rods are fixedly connected to the lower surface of the mounting base and the right side of the mold base, and the connecting rods are hinged between the shaft rods. 2. The stamping device of a kind of soft-packed graphene lithium battery cell positive electrode battery cover according to claim 1, characterized in that, the front and rear sides of the delivery groove are provided with rolling grooves, and the longitudinal uniformity in the rolling grooves is uniform. The rotation is connected with a turning roller, and the topmost part of the turning roller is flush with the conveying trough. 3. The stamping device of a kind of soft-packed graphene lithium battery cell positive electrode battery cover according to claim 1, wherein the connecting rod comprises a telescopic rod, a swivel seat symmetrically fixed at both ends of the telescopic rod, As well as the telescopic spring sleeved outside the telescopic rod, the two swivel seats are respectively connected to the corresponding shaft in rotation; when the piston rod is in the minimum shrinkage state, the mold base is in contact with the inner wall of the right side plate of the positioning plate, at this time The telescopic rod is in a vertical state and the telescopic spring is in a natural state; when the mold base is completely in the accommodation cavity and the telescopic spring is in a natural state, the punching seat is located above the base; when the piston rod is in a maximum extension state, The distance between the lower surface of the punching head and the bottom surface of the groove is equal to the thickness of the steel strip. 4. The stamping device of a kind of soft-packed graphene lithium battery cell positive electrode battery cover according to claim 3, characterized in that, the feed mechanism includes a transmission bin, a feed assembly and a motor; the transmission bin is solid It is connected to the left side of the conveying trough, and the right side of the conveying trough is fixedly connected with an ear seat, and the two ends of the feed assembly are symmetrically fixed with a first rotating shaft, and the first rotating shafts on the left and right sides rotate with the transmission chamber and the ear seat respectively connected, the head of the first rotating shaft on the left side extends into the transmission chamber and is fixedly connected with the driven bevel gear, and the second rotating shaft is also rotatably connected to the transmission chamber, and the second rotating shaft is fixedly connected with the driven bevel gear. The driving bevel gear meshed with the bevel gear, the motor is fixed on the base through the base, and one end of the second rotating shaft is connected with the output shaft of the motor through a coupling. 5. The stamping device of a kind of soft-packed graphene lithium battery cell positive electrode battery cover according to claim 4, characterized in that, the feed assembly includes a turntable and a slide bar; the left and right sides of the turntable are fixed symmetrically. Connected to the first rotating shaft, the turntable is positive multi-deformation, and the inside of the turntable is provided with a sliding cavity corresponding to the positions of its sides, and a sliding seat is slidably connected to the sliding cavity, and a fixed connection between the sliding seat and the bottom of the sliding cavity The spring is ejected, the slide bar is fixedly connected to the slide seat and is slidably connected with the turntable, the head of the slide bar is fixedly connected with an arc-shaped plate, and the outer wall of the arc-shaped plate is fixedly connected with an arc-shaped rubber pad. 6. The stamping device of a kind of soft-packed graphene lithium battery cell positive electrode battery cover according to claim 5, it is characterized in that it also includes a discharge mechanism, and the discharge mechanism includes a blower and a discharge seat; the front side The height of the positioning plate is smaller than the thickness of the mold base, the height of the positioning plate on the rear side is greater than the thickness of the mold base, the upper surface of the supporting plate is provided with a wind chamber, and the position of the corresponding groove in the mold base is evenly distributed. A through hole is opened, and when the mold base is in contact with the right side plate of the positioning plate, the vertical projection of the through hole is located in the air chamber, and the positioning plate on the rear side is evenly fixed with an air injection secondary pipe in the horizontal direction. The front end of the air injection auxiliary pipe is fixedly connected with a nozzle, and the rear end of the air injection auxiliary pipe is integrally connected with an air injection main pipe. The blower is fixed on the right side of the base, and the inlet and outlet of the air blower are respectively fixedly connected with an air inlet pipe and an air outlet pipe. , the head of the air outlet pipe is fixedly connected with a tee, and the other two interfaces of the tee are respectively communicated with the air injection main pipe and the air chamber through the air supply pipe, and the discharge seat is fixedly connected with the front side of the supporting plate, The upper surface of the unloading seat is inclined. 7. The stamping device of a kind of soft-packed graphene lithium battery cell positive electrode battery cover according to claim 6, characterized in that, the hydraulic cylinder works through a time relay controller, and the hydraulic cylinder is controlled under the action of the time relay The piston rod performs intermittent reciprocating telescopic movement, and also includes a trigger mechanism. When the hydraulic cylinder brakes, the trigger mechanism starts the motor and the blower. 8. The stamping device of a soft-packed graphene lithium battery cell positive electrode battery cover according to claim 7, wherein the trigger mechanism includes a control box, a power connection block and a power connection rod; the control box It is fixed between the two guide rods on the left side, and the front and rear sides of the control box are provided with wire grooves. The power connection block is slidably connected in the control box and arranged symmetrically front and back. The side of the power connection block is fixed with guide blocks. The inner wall of the control box is provided with guide grooves corresponding to the guide blocks, insulating springs are fixedly connected to the sides of the power connection blocks away from each other, and wires are electrically connected to the sides of the power connection blocks away from each other. The slots pass through, and the ends of the connecting blocks close to each other are mating seats. The size of the mating seats decreases along the direction to the center of the control box. A through slot is opened in the center of the bottom plate of the control box. and corresponding to the position of the through slot; it also includes an external power supply, the first stage of the external power supply is electrically connected to one of the power connection blocks, and one of the terminals of the motor and the blower is electrically connected to the other terminal The electric block, the other terminal of the motor and the blower are electrically connected to the other pole of the external power supply. 9. A stamping device for the positive electrode battery cover of a soft-packed graphene lithium battery cell according to claim 8, wherein when the guide block is in contact with the side of the guide groove near the center of the control box, the insulating The spring is in a natural state, and the distance between the matching blocks is smaller than the longitudinal width of the connecting rod; when the piston rod is in the minimum retracted state, the top of the connecting rod is inserted between the matching blocks.

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