CN210754581U - Lithium sheet stamping device - Google Patents
Lithium sheet stamping device Download PDFInfo
- Publication number
- CN210754581U CN210754581U CN201921803614.8U CN201921803614U CN210754581U CN 210754581 U CN210754581 U CN 210754581U CN 201921803614 U CN201921803614 U CN 201921803614U CN 210754581 U CN210754581 U CN 210754581U
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- stamping
- seat
- material pushing
- pushing cylinder
- head
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Abstract
The utility model discloses a lithium sheet stamping device, which comprises a stamping seat arranged on one side of a conveyor belt, wherein a stamping head lifting mechanism is arranged beside the stamping seat, and a stamping head on the stamping head lifting mechanism is positioned right above the stamping seat; a first material pushing cylinder for pushing the cathode cover on the conveying belt into the punching seat is arranged on the opposite side of the punching seat; a second material pushing cylinder for pushing the cathode cover on the stamping seat into the conveying belt is arranged beside the stamping seat, and piston rods of the first material pushing cylinder and the second material pushing cylinder are both provided with a material pushing plate; unwinding mechanism is installed to one side of punching press head, and winding mechanism is installed to the opposite side of punching press head, unwinding mechanism is last to install the barrier film book, and the barrier film is rolled up from unwinding mechanism uncoiling and is passed the space between punching press head and the punching press seat and at last around rolling up on winding mechanism. During stamping operation, the isolating film separates the stamping head from the lithium sheet on the stamping seat, so that the lithium sheet can be prevented from being adhered to the stamping head, and the failure rate of stamping equipment is greatly reduced.
Description
Technical Field
The utility model relates to a battery processing field especially relates to a lithium piece stamping device.
Background
The cathode of the lithium-manganese button cell is manufactured by punching and forming a metal lithium sheet in a cathode cover by using a punching machine. The lithium sheet is easy to be stuck on the stamping head in the stamping process, so that production faults are caused to influence the production efficiency, and the surface temperature of the lithium sheet is increased during stamping, so that the lithium sheet can be reacted with nitrogen in the air to form red spots on the surface of the lithium sheet. In view of this, there is a need for an improvement in existing stamping equipment to improve stamping efficiency.
Disclosure of Invention
An object of the utility model is to provide a lithium piece stamping device.
Realize the utility model discloses the technical scheme of purpose is: a lithium sheet stamping device comprises a stamping seat arranged on one side of a conveyor belt, wherein the stamping seat is provided with an opening part communicated with the conveyor belt, a stamping head lifting mechanism is arranged on a rack beside the stamping seat, a stamping head is arranged on the stamping head lifting mechanism, and the stamping head is positioned right above the stamping seat and arranged towards the stamping seat; a first material pushing cylinder for pushing a negative electrode cover on the conveying belt into the punching seat is arranged beside the conveying belt on the opposite side of the punching seat, and a piston rod of the first material pushing cylinder faces the punching seat; a second material pushing cylinder for pushing the negative electrode cover on the stamping seat into the conveying belt is arranged beside the stamping seat, a piston rod of the second material pushing cylinder faces the conveying belt, and material pushing plates are arranged on piston rods of the first material pushing cylinder and the second material pushing cylinder; an unwinding mechanism is installed on one side of the stamping head, a winding mechanism is installed on the other side of the stamping head, an isolation film roll is installed on the unwinding mechanism, and the isolation film is unwound from the unwinding mechanism, penetrates through a gap between the stamping head and the stamping seat and is finally wound on the winding mechanism; the stamping head lifting mechanism, the first material pushing cylinder, the second material pushing cylinder, the unwinding mechanism and the winding mechanism are all in communication connection with the controller.
Furthermore, spiral lines are carved on the contact surface of the stamping head and the lithium sheet. The heliciform line easily dispels the heat to lithium piece and nitrogen gas reaction that the rise of lithium piece surface temperature leads to when preventing the punching press promote the yields.
The utility model discloses the barrier film that passes punching press head and punching press seat among the lithium sheet stamping device twines respectively on the unwinding mechanism and the winding mechanism of the first both sides of punching press, during the punching press operation, because the barrier film is separated the lithium sheet on punching press head and the punching press seat and not with punching press head or the adhesion of lithium sheet, consequently avoided the adhesion of lithium sheet on punching press head, greatly reduced stamping equipment's fault rate, improvement production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a lithium sheet stamping device according to an embodiment of the present invention; wherein the arrow represents the conveying direction of the conveyor belt;
fig. 2 is a schematic structural diagram of the first material pushing cylinder and the second material pushing cylinder in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of the stamping head according to an embodiment of the present invention.
Detailed Description
The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 3, a lithium sheet stamping device includes a stamping seat 1 installed on the right side of a conveyor belt 10 and used for placing a negative electrode cover 20, the stamping seat 1 has an opening communicated with the conveyor belt 10, a stamping head lifting mechanism 2 is installed on a rack 100 beside the stamping seat 1, a stamping head 3 is installed on the stamping head lifting mechanism 2, the stamping head 3 is located right above the stamping seat 1 and is arranged towards the stamping seat 1, and a spiral texture 311 is engraved on a contact surface 31 of the stamping head 3 and a lithium sheet in the negative electrode cover 20; a first material pushing cylinder 4 for pushing the negative electrode cover 20 on the conveyor belt 10 into the punching seat 1 is arranged beside the conveyor belt 10 on the opposite side of the punching seat 1, and a piston rod 41 of the first material pushing cylinder 4 faces the punching seat 1; a second material pushing cylinder 5 for pushing the negative electrode cover 20 on the stamping seat 1 into the conveyor belt 10 is arranged beside the stamping seat 1, a piston rod 51 of the second material pushing cylinder 5 faces the conveyor belt 10, and material pushing plates (42, 52) are arranged at the end parts of the piston rods (41, 51) of the first material pushing cylinder 4 and the second material pushing cylinder 5; an unwinding mechanism 6 is installed on one side of the stamping head 1, a winding mechanism 7 is installed on the other side of the stamping head 1, an isolation film roll 30 is installed on the unwinding mechanism 7, and an isolation film 301 is unwound from the unwinding mechanism 6, penetrates through a gap between the stamping head 3 and the stamping seat 1 and is finally wound on the winding mechanism 7; the stamping head lifting mechanism 2, the first material pushing cylinder 4, the second material pushing cylinder 5, the unreeling mechanism 6 and the reeling mechanism 7 are all in communication connection with a controller (not shown).
When the lithium battery stamping device works, the negative electrode cover moves forward on the conveying belt in the conveying direction, when the negative electrode cover reaches a station where the first material pushing cylinder is located, the controller sends a material pushing instruction to the first material pushing cylinder, a piston rod of the first material pushing cylinder extends out, the negative electrode cover is pushed into the stamping seat through the conveying belt by a material pushing plate at the end of the piston rod, meanwhile, the controller sends instructions to the stamping head lifting mechanism, the winding mechanism and the unwinding mechanism respectively, the winding mechanism and the unwinding mechanism carry out winding and unwinding operations, at the moment, the isolating film is wound on the winding mechanism after being unwound from the unwinding mechanism and penetrating through a gap between the stamping head and the stamping seat, the stamping head lifting mechanism drives the stamping head to move downwards, and when the stamping head carries out stamping operation on the negative electrode cover in the stamping seat, the isolating film separates the stamping head from lithium sheets on the stamping seat, and therefore the lithium sheets are prevented from being adhered to the.
The lifting mechanism of the stamping head can be a lifting cylinder or a screw rod lifting structure which is conventional in the mechanical field; the controller is a conventional programmable logic control cabinet integrated with a CPU in industrial production; the unwinding mechanism and the winding mechanism usually include a rotating shaft mounted on a rotating motor, and the structures of the unwinding mechanism and the winding mechanism are the prior art and are not described herein; the isolating film is a common plastic film; the strokes of the first material pushing cylinder and the second material pushing cylinder are based on the condition that the piston rod can touch the negative cover; if the two sides of the conveying belt are provided with the guard plates, the guard plates are required to be provided with openings at the stations of the first material pushing cylinder so that the piston rods can pass through the openings; spiral line on the punching press head sets up as required, when the punching press head is carved with spiral line on its contact surface with the lithium piece, the spiral line that begins to wind gradually circle by circle from inside to outside easily dispels the heat to lithium piece and nitrogen gas reaction that the rise of lithium piece surface temperature leads to when preventing the punching press promotes the yields.
The above only be the embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all utilize the equivalent flow transform that the content of the specification was made, or direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a patent protection within range.
Claims (2)
1. A lithium sheet stamping device which characterized in that: the automatic stamping device comprises a stamping seat arranged on one side of a conveyor belt, wherein the stamping seat is provided with an opening part communicated with the conveyor belt, a stamping head lifting mechanism is arranged on a rack beside the stamping seat, a stamping head is arranged on the stamping head lifting mechanism, and the stamping head is positioned right above the stamping seat and arranged towards the stamping seat; a first material pushing cylinder for pushing a negative electrode cover on the conveying belt into the punching seat is arranged beside the conveying belt on the opposite side of the punching seat, and a piston rod of the first material pushing cylinder faces the punching seat; a second material pushing cylinder for pushing the negative electrode cover on the stamping seat into the conveying belt is arranged beside the stamping seat, a piston rod of the second material pushing cylinder faces the conveying belt, and material pushing plates are arranged on piston rods of the first material pushing cylinder and the second material pushing cylinder; an unwinding mechanism is installed on one side of the stamping head, a winding mechanism is installed on the other side of the stamping head, an isolation film roll is installed on the unwinding mechanism, and the isolation film is unwound from the unwinding mechanism, penetrates through a gap between the stamping head and the stamping seat and is finally wound on the winding mechanism; the stamping head lifting mechanism, the first material pushing cylinder, the second material pushing cylinder, the unwinding mechanism and the winding mechanism are all in communication connection with the controller.
2. The lithium sheet stamping device of claim 1, wherein: the contact surface of the stamping head and the lithium sheet is carved with spiral lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921803614.8U CN210754581U (en) | 2019-10-25 | 2019-10-25 | Lithium sheet stamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921803614.8U CN210754581U (en) | 2019-10-25 | 2019-10-25 | Lithium sheet stamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210754581U true CN210754581U (en) | 2020-06-16 |
Family
ID=71055355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921803614.8U Active CN210754581U (en) | 2019-10-25 | 2019-10-25 | Lithium sheet stamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210754581U (en) |
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2019
- 2019-10-25 CN CN201921803614.8U patent/CN210754581U/en active Active
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