CN220479819U - Battery pole piece bending mechanism - Google Patents
Battery pole piece bending mechanism Download PDFInfo
- Publication number
- CN220479819U CN220479819U CN202321299221.4U CN202321299221U CN220479819U CN 220479819 U CN220479819 U CN 220479819U CN 202321299221 U CN202321299221 U CN 202321299221U CN 220479819 U CN220479819 U CN 220479819U
- Authority
- CN
- China
- Prior art keywords
- rack
- movable
- movable module
- pole piece
- bearing box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 title claims abstract description 37
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model belongs to the technical field of power batteries, and particularly relates to a battery pole piece bending mechanism which comprises a movable module, a transverse movable base, a longitudinal movable table, a bearing box, a rotating shaft, a gear, a rack pushing mechanism, a connecting plate and a longitudinal pushing cylinder, wherein the movable module is arranged on the transverse movable base; the transverse moving base is connected with the movable end of the moving module, the bearing box is fixed on the longitudinal moving platform, the longitudinal pushing cylinder is fixed on one side of the moving base, the rotating shaft penetrates through the bearing and is connected with the bearing, the clamping die is installed at one end of the rotating shaft, the clamping die is provided with a strip-shaped opening, the other side of the rotating shaft is fixed with a gear, the gear is meshed with a rack, the rack penetrates through the bearing box and is in sliding fit with the bearing box, one side of the rack is connected with the rack pushing mechanism, and the rack pushing mechanism is fixed on one side of the longitudinal moving platform or the bearing box through the connecting plate. The pole piece after bending through the device can better adapt to the structure inside the battery, so that the energy density of the battery is higher and the service life is longer.
Description
Technical Field
The utility model belongs to the technical field of power battery manufacturing, and particularly relates to a battery pole piece bending mechanism.
Background
The lithium ion battery has the advantages of high voltage, large capacity, long cycle life, no memory effect, light weight, wide working range and the like, and is widely applied to mobile products such as mobile electronic equipment, personal digital assistants, mobile phones, digital cameras, toys and the like.
During the processing of the battery, the pole piece (nickel piece) of the battery needs to be bent. The traditional process is manual bending, but the manual bending error is large and the quality is unstable. In order to reduce bending errors and production efficiency, various automatic devices for bending battery pole pieces are also developed. For example, chinese patent discloses a battery pole piece bending mechanism, application number: 202120261021.4, the two bending dies on the U-shaped bending plate are driven to simultaneously bend two positions of the battery pole piece by rotating the U-shaped bending plate, so that the bending process is reduced, and the bending efficiency is improved. The mechanism has the following defects that: the bending die is equivalent to bending the pole piece in a stamping mode, taking bending for 90 degrees as an example, no buffer exists at the bending position, namely no radian exists, the pole piece is directly at right angles, the applicant finds that the pole piece in the right angle shape is easy to cause the problem of pressure concentration in the battery through experiments, the damage of the internal structure of the battery is easy to cause, and the performance and the service life of the battery are influenced.
Disclosure of Invention
The utility model aims to provide a battery pole piece bending mechanism for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a battery pole piece bending mechanism comprises a moving module, a transverse moving base, a longitudinal moving table, a bearing box, a rotating shaft, a gear, a rack pushing mechanism, a connecting plate and a longitudinal pushing cylinder; the movable end of the movable module is connected with the movable end of the movable module, a guide rail is arranged on the movable end of the movable module, the bottom of the movable module is connected with the guide rail in a sliding mode through a sliding block, the bearing box is fixed on the movable module, the movable module is fixed on one side of the movable module, a piston rod of the movable module is fixedly connected with one side of the movable module, two bearings are arranged in the bearing box, the movable module penetrates through the bearings and is connected with the movable module, a clamping die is arranged at one end of the movable module, a strip-shaped opening is formed in the clamping die, a gear is fixed on the other side of the movable module, the gear is meshed with the rack, the rack penetrates through the bearing box and is in sliding fit with the movable module, one side of the rack is connected with the rack pushing mechanism, and the rack pushing mechanism is fixed on one side of the movable module or the bearing box through the connecting plate.
Preferably, the outer end of the strip-shaped opening is provided with a chamfer.
Preferably, the rack propulsion device is an air cylinder or an electric push rod.
Preferably, a limiting plate is fixed on one side of the transverse moving base.
Preferably, one end of the rotation shaft is connected to the clamping mold by a three-jaw chuck.
The beneficial effects of the utility model are as follows: compared with the prior art, the device changes the prior bending mode, changes the stamping mode into the rotary bending mode, the bending position of the tab folded by the bending mode is arc-shaped instead of a standard angle, and the pole piece bent by the device can better adapt to the structure inside the battery, so that the energy density of the battery is higher and the service life of the battery is longer.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
fig. 3 is a right side view of the present utility model.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings and preferred embodiments.
As shown in fig. 1-3, the battery pole piece bending mechanism comprises a mobile module 1, a transverse mobile base 2, a longitudinal mobile platform 3, a bearing box 4, a rotating shaft 5, a gear 6, a rack 7, a rack pushing mechanism 8, a connecting plate 9 and a longitudinal pushing cylinder 10; the movable end of the movable module is connected with the movable base, the movable module drives the movable base to move, a guide rail 11 is arranged on the movable base, the bottom of the movable platform is connected with the guide rail in a sliding manner through a sliding block, the movable platform moves on the guide rail, a bearing box is fixed on the movable platform and moves along with the movable platform, a longitudinal pushing cylinder is fixed on one side of the movable base, a piston rod of the longitudinal pushing cylinder is fixedly connected with one side of the movable platform, the movable platform is driven to move by the longitudinal pushing cylinder, two bearings 12 are arranged in the bearing box, a rotating shaft penetrates through the bearings and is connected with the bearings, one end of the rotating shaft is provided with a clamping die 13, in particular, one end of the rotating shaft is provided with a three-jaw chuck, the clamping die is fixed by the three-jaw chuck, the size of the clamping die is changed according to the type of an electrode plate, a strip-shaped opening 14 is formed in the clamping die, a gap of the strip-shaped opening is slightly larger than the thickness of the electrode plate, and the strip-shaped opening is moved into the electrode plate through the longitudinal moving platform and the movement of the movable base. The other side of rotation axis is fixed with the gear, the gear with the rack meshing, the rack passes the bearing box and sliding fit with it, one side of rack with rack advancing mechanism connects, rack advancing device is cylinder or electric putter, preferably cylinder in this device, and the cylinder drives the rack and removes, and the rack drives the gear rotation to drive the rotation axis and rotate, make the clamp die rotate, bend the pole piece, rack advancing mechanism passes through the connecting plate is fixed one side of longitudinal movement platform or bearing box.
In order to facilitate the pole piece entering into the strip-shaped opening, the outer end of the strip-shaped opening is provided with a chamfer. The clamping die is of a cylindrical structure, so that the pole piece can be bent along the surface of the clamping die when being bent, and a bending part is formed to have a certain radian.
In order to limit the longitudinal moving table, a limiting plate 15 is fixed on one side of the transverse moving base.
When the device is used, the fixing mode of the pole piece is an existing locating mode, and the difference is that the pole piece 16 is located on one side of the bending mechanism instead of the existing right side, after the pole piece is clamped and located by the existing locating device, the device moves the clamping die to the position of the pole piece through adjustment of the longitudinal moving table and the transverse moving base, the pole piece enters the strip-shaped opening, and finally the rack pushing mechanism drives the clamping die to rotate, so that the pole piece is bent, the device changes the existing bending mode, the stamping mode is changed into a rotary bending mode, the bending position of the pole lug bent by the bending mode is arc-shaped instead of a standard angle, and the pole piece bent by the device can better adapt to the structure inside the battery, so that the energy density of the battery is higher and the service life is longer.
It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be comprehended within the scope of the present utility model.
Claims (5)
1. A battery pole piece bending mechanism is characterized in that: the device comprises a moving module, a transverse moving base, a longitudinal moving table, a bearing box, a rotating shaft, a gear, a rack pushing mechanism, a connecting plate and a longitudinal pushing cylinder; the movable end of the movable module is connected with the movable end of the movable module, a guide rail is arranged on the movable end of the movable module, the bottom of the movable module is connected with the guide rail in a sliding mode through a sliding block, the bearing box is fixed on the movable module, the movable module is fixed on one side of the movable module, a piston rod of the movable module is fixedly connected with one side of the movable module, two bearings are arranged in the bearing box, the movable module penetrates through the bearings and is connected with the movable module, a clamping die is arranged at one end of the movable module, a strip-shaped opening is formed in the clamping die, a gear is fixed on the other side of the movable module, the gear is meshed with the rack, the rack penetrates through the bearing box and is in sliding fit with the movable module, one side of the rack is connected with the rack pushing mechanism, and the rack pushing mechanism is fixed on one side of the movable module or the bearing box through the connecting plate.
2. The bending mechanism for a battery pole piece according to claim 1, wherein the outer end of the strip-shaped opening is provided with a chamfer.
3. The battery pole piece bending mechanism as claimed in claim 1, wherein the rack pushing device is an air cylinder or an electric push rod.
4. The battery pole piece bending mechanism as claimed in claim 1, wherein a limiting plate is fixed on one side of the transversely moving base.
5. The battery pole piece bending mechanism as claimed in claim 1, wherein one end of the rotating shaft is connected with the clamping die through a three-jaw chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321299221.4U CN220479819U (en) | 2023-05-26 | 2023-05-26 | Battery pole piece bending mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321299221.4U CN220479819U (en) | 2023-05-26 | 2023-05-26 | Battery pole piece bending mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220479819U true CN220479819U (en) | 2024-02-13 |
Family
ID=89826885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321299221.4U Active CN220479819U (en) | 2023-05-26 | 2023-05-26 | Battery pole piece bending mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220479819U (en) |
-
2023
- 2023-05-26 CN CN202321299221.4U patent/CN220479819U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |