CN211594410U

CN211594410U - Electricity core unloader

Info

Publication number: CN211594410U
Application number: CN201922037726.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Wuxi Lead Intelligent Equipment Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-09-29
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses an electricity core unloader, include: the stretching mechanism is used for clamping the upper end and the lower end of the battery cell along the vertical direction and enabling the upper end and the lower end of the battery cell to respectively move towards the direction far away from the opposite side so as to stretch the battery cell; and the flattening mechanism is used for receiving the stretched battery cell and flattening the battery cell along the thickness direction of the battery cell. The utility model discloses an electricity core unloader adopts and stretches electric core along vertical direction for the inlayer pole piece and the diaphragm of electric core are vertical state when rolling up needle mechanism and taking out, can not receive self gravity to influence and flagging, compare in the mode of level stretch electric core, eliminate pole piece and diaphragm easily when flattening in the redundancy of corner, be difficult to appear the phenomenon of crumpling in the corner of electric core, thereby can improve the quality of electric core.

Description

Electricity core unloader

Technical Field

The utility model belongs to the technical field of the battery manufacturing technique and specifically relates to an electricity core unloader is related to.

Background

After the winding of the battery core is finished, the battery core needs to be loaded and unloaded from the winding needle mechanism. The existing battery core blanking mode (as shown in fig. 1) is that two groups of clamping rods are adopted to clamp the left end and the right end of a battery core respectively, then a winding needle mechanism is drawn out from the battery core, the battery core is stretched by back-to-back movement of the two groups of clamping rods in the horizontal direction (the left direction and the right direction in fig. 1), and then a pressing rod is adopted to pre-press the middle part of the battery core from top to bottom. By adopting the above-mentioned battery core blanking method, when the needle winding mechanism is drawn out from the battery core, the heads of the anode pole piece b and the cathode pole piece d are unsupported and droop under the influence of self-weight (as shown in fig. 2, the dotted line is the first diaphragm a, the single-point line is the anode pole piece b, the solid line is the second diaphragm c, and the double-point line is the cathode pole piece d), and neither the first diaphragm a nor the second diaphragm c can be attached to the anode pole piece b or the cathode pole piece d. When pre-pressing electric core, the produced displacement of local diaphragm can not resume the parallel and level, and the pole piece can be levelly and smoothly spread out because of stress to lead to the redundant part of pole piece and diaphragm to be extruded to the corner of electric core, the phenomenon of crumpling appears in the corner of electric core, and then influences the quality of electric core.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electricity core unloader to solve among the prior art electric core unloading process and appear the technical problem that electric core inlayer pole piece and diaphragm crumpled easily.

In order to solve the above technical problem, an embodiment of the present invention adopts a technical solution that: the utility model provides a battery cell unloader, includes:

the stretching mechanism is used for clamping the upper end and the lower end of the battery cell along the vertical direction and enabling the upper end and the lower end of the battery cell to respectively move towards the direction far away from the opposite side so as to stretch the battery cell;

and the flattening mechanism is used for receiving the stretched battery cell and flattening the battery cell along the thickness direction of the battery cell.

In a specific embodiment of the present invention, the stretching mechanism includes:

the upper clamping assembly comprises a first inner clamping rod and a first outer clamping rod, and the first inner clamping rod and the first outer clamping rod can move relatively to clamp or release the upper end of the battery cell;

the lower clamping assembly is arranged opposite to the upper clamping assembly in the vertical direction and comprises a second inner clamping rod and a second outer clamping rod, and the second inner clamping rod and the second outer clamping rod can move relatively to clamp or release the lower end of the battery cell;

the driving assembly is connected with the upper clamping assembly and/or the lower clamping assembly and is used for driving the upper clamping assembly and the lower clamping assembly to move back and forth so as to stretch the battery cell in the vertical direction;

the translation assembly is connected with the upper clamping assembly, the lower clamping assembly and the driving assembly and can drive the upper clamping assembly, the lower clamping assembly and the driving assembly to move towards the direction close to the battery cell so as to insert the first inner clamping rod and the first outer clamping rod into the inner side and the outer side of the upper end of the battery cell and insert the second inner clamping rod and the second outer clamping rod into the inner side and the outer side of the lower end of the battery cell.

In a specific embodiment of the present invention, the translation assembly includes:

a translation drive;

the translation slide is arranged at the driving end of the translation driving piece, and the translation driving piece can drive the translation slide to move along the axis direction of the battery cell.

In a specific embodiment of the present invention, the upper clamping assembly and the driving assembly are disposed on the translation slide, and the lower clamping assembly is disposed at the driving end of the driving assembly;

the upper clamping assembly further comprises an upper clamping driving piece, the upper clamping driving piece is arranged on the translation sliding seat, the driving end of the upper clamping driving piece is connected with the upper clamping sliding seat, the upper clamping sliding seat is provided with the first outer clamping rod, and the first inner clamping rod is connected with the translation sliding seat;

the lower clamping assembly further comprises a lower clamping driving piece, the lower clamping driving piece is arranged at the driving end of the driving assembly, the driving end of the lower clamping driving piece is connected with the lower clamping sliding seat, a second outer clamping rod is arranged on the lower clamping sliding seat, and the second inner clamping rod is connected with the driving end of the driving assembly.

The utility model discloses a concrete embodiment still includes lifting unit, lifting unit with translation subassembly is connected, is used for the drive translation subassembly reaches on the translation subassembly last centre gripping subassembly lower centre gripping subassembly with drive assembly moves in vertical direction.

In a specific embodiment of the present invention, the flattening mechanism includes:

flattening the assembly;

a rotating assembly capable of driving one end of the flattening assembly to rotate around the other end thereof so that the flattening assembly has a vertical state and a horizontal state;

when the flattening assembly is in a vertical state, the flattening assembly can receive the stretched battery cell and flatten the battery cell; when the battery core is flattened, the rotating assembly drives the flattening assembly to rotate to the horizontal state so as to convey the flattened battery core.

In a specific embodiment of the present invention, the flattening assembly includes:

a support assembly;

and the pressing plate assembly is arranged on the support assembly in a sliding manner and can move relative to the support assembly so as to flatten the stretched battery cell between the pressing plate assembly and the support assembly.

In a specific embodiment of the present invention, the supporting component includes:

a delivery stent;

the conveying motor is arranged on one side of the conveying support;

the two conveying rollers are rotatably arranged on the conveying support and are arranged at intervals along the conveying direction of the battery cell, and one end of one of the conveying rollers is connected with the driving end of the conveying motor;

and the conveying belt is sleeved on the two conveying rollers.

In a specific embodiment of the present invention, the pressing plate assembly includes a pre-pressing plate and a pressing plate, the pre-pressing plate is disposed in the avoiding groove in the middle of the pressing plate, and the pre-pressing plate is used for pre-pressing the middle portion of the stretched electrical core in cooperation with the supporting assembly, so that the stretching mechanism can be conveniently drawn out from the electrical core; and the pressing plate is used for flattening the pre-pressed battery core.

In a specific embodiment of the present invention, the pressing plate assembly further includes a mounting frame, a pre-pressing driving member is disposed on the mounting frame, and a driving end of the pre-pressing driving member is connected to the pre-pressing plate for driving the pre-pressing plate to move relative to the supporting assembly; and a flattening driving part is also arranged on the mounting frame, and the driving end of the flattening driving part is connected with the pressing plate and is used for driving the pressing plate to move relative to the supporting component.

In a specific embodiment of the present invention, the rotating assembly includes:

rotating the supporting seat;

the driving end of the rotary driving piece is hinged with one end of the supporting component, and the fixed end of the rotary driving piece is connected with the rotary supporting seat;

the rotary connecting seat is rotatably connected with the rotary supporting seat, and the rotary connecting seat is connected with the other end of the supporting component.

In a specific embodiment of the utility model, the flattening mechanism still includes adjusting part, adjusting part with rotating component connects, is used for the drive rotating component reaches flattening component removes along the thickness direction of electric core.

The utility model has the advantages that:

be different from prior art's condition, use the utility model provides an electricity core unloader through the upper and lower both ends of tensile mechanism along vertical direction centre gripping electric core to make the upper and lower both ends of electric core remove in order to stretch electric core towards the direction of keeping away from the other side respectively. After the electric core is stretched, the flattening mechanism receives the stretched electric core and flattens the electric core along the thickness direction of the electric core. The utility model discloses an electricity core unloader adopts and stretches electric core along vertical direction for the inlayer pole piece and the diaphragm of electric core are vertical state when rolling up needle mechanism and taking out, can not receive self gravity to influence and flagging, compare in the mode of level stretch electric core, eliminate pole piece and diaphragm easily when flattening in the redundancy of corner, be difficult to appear the phenomenon of crumpling in the corner of electric core, thereby can improve the quality of electric core.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic diagram of wrinkling of an inner layer pole piece and a diaphragm after blanking of a battery cell in the prior art;

FIG. 2 is an enlarged schematic view of the structure within circle A of FIG. 1;

fig. 3 is a schematic structural diagram of a battery cell blanking device according to an embodiment of the present invention;

fig. 4 is one of schematic structural diagrams of a stretching mechanism of a battery cell blanking apparatus according to an embodiment of the present invention;

fig. 5 is a second schematic structural diagram of a stretching mechanism of the battery cell blanking apparatus according to an embodiment of the present invention;

fig. 6 is one of schematic structural diagrams of a flattening mechanism of a battery cell blanking apparatus according to an embodiment of the present invention;

fig. 7 is a second schematic structural diagram of a flattening mechanism of the battery cell blanking apparatus according to an embodiment of the present invention;

fig. 8 is one of schematic structural diagrams of a pressing plate assembly of a flattening mechanism of a battery cell blanking apparatus according to an embodiment of the present invention;

fig. 9 is a second schematic structural diagram of a pressing plate assembly of a flattening mechanism of a battery cell blanking apparatus according to an embodiment of the present invention;

fig. 10 is a schematic process diagram of a battery cell blanking method according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, left, right, up, down", "horizontal, vertical, horizontal, top, bottom" and the like are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present invention. The terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

Referring to fig. 3-9, an embodiment of the present invention provides an electricity core unloader, can be used for unloading circular electric core, and it includes: a stretching mechanism 100 and a collapsing mechanism 200. The stretching mechanism 100 is configured to clamp the upper and lower ends of the battery cell 300 in a vertical direction (an up-down direction in fig. 3), and move the upper and lower ends of the battery cell 300 in a direction away from each other, respectively, to stretch the battery cell 300. The flattening mechanism 200 is configured to receive the stretched battery cell 300 and flatten the battery cell 300 in a thickness direction of the battery cell 300 (a direction perpendicular to the paper in fig. 3).

With the application of the battery cell blanking device provided in this embodiment, the upper and lower ends of the battery cell 300 are clamped along the vertical direction by the stretching mechanism 100, and the upper and lower ends of the battery cell 300 are respectively moved in the direction away from each other to stretch the battery cell 300. After the battery cell 300 is stretched, the flattening mechanism 200 receives the stretched battery cell 300 and flattens the battery cell 300 in the thickness direction of the battery cell 300. The electric core unloader of this embodiment adopts and stretches electric core 300 along vertical direction for the inlayer pole piece and the diaphragm of electric core 300 are vertical state when rolling up needle mechanism and taking out, can not receive self gravity to influence and flagging, compare in the mode of level extension electric core 300, eliminate pole piece and diaphragm easily when flattening in the redundancy of corner, be difficult to appear crumpling the phenomenon in the corner of electric core 300, thereby can improve the quality of electric core.

In the present embodiment, as shown in fig. 4 to 5, the stretching mechanism 100 may include: translation assembly 120, upper clamp assembly 140, lower clamp assembly 130, and drive assembly 150. The upper clamping assembly 140 comprises a first inner clamping bar 145 and a first outer clamping bar 143, and the first inner clamping bar 145 and the first outer clamping bar 143 can move relatively to clamp or release the upper end of the battery cell 300. The lower clamping assembly 130 is disposed opposite to the upper clamping assembly 140 in the vertical direction, and includes a second inner clamping bar 135 and a second outer clamping bar 133, and the second inner clamping bar 135 and the second outer clamping bar 133 can move relatively to clamp or release the lower end of the battery cell 300. The driving assembly 150 is connected to the upper clamping assembly 140 and/or the lower clamping assembly 130, and is used for driving the upper clamping assembly 140 and the lower clamping assembly 130 to move back and forth so as to stretch the battery cell 300 in the vertical direction. The translation assembly 120 is connected to the upper clamping assembly 140, the lower clamping assembly 130, and the driving assembly 150, and is capable of driving the upper clamping assembly 140, the lower clamping assembly 130, and the driving assembly 150 to move toward a direction (a left-right direction in fig. 3, an axial direction of the battery cell 300) close to the battery cell 300, so as to insert the first inner clamping bar 145 and the first outer clamping bar 143 into the inner and outer sides of the upper end of the battery cell 300, and insert the second inner clamping bar 135 and the second outer clamping bar 133 into the inner and outer sides of the lower end of the battery cell 300. Specifically, when the cell 300 needs to be stretched, the translation assembly 120 first drives the upper clamping assembly 140, the lower clamping assembly 130 and the driving assembly 150 to move toward the direction close to the cell 300 so as to insert the first inner clamping bar 145 and the first outer clamping bar 143 into the inner side and the outer side of the upper end of the cell 300, and insert the second inner clamping bar 135 and the second outer clamping bar 133 into the inner side and the outer side of the lower end of the cell 300; then, the first inner clamping rod 145 and the first outer clamping rod 143 move towards each other to clamp the upper end of the battery cell 300, and the second inner clamping rod 135 and the second outer clamping rod 133 move towards each other to clamp the lower end of the battery cell 300; then, the winding needle mechanism is drawn out from the battery cell 300; finally, the driving assembly 150 drives the upper clamping assembly 140 and the lower clamping assembly 130 to move away from each other to stretch the battery cell 300 in the vertical direction.

In this embodiment, the translation assembly 120 may include: a translation driving member 121 and a translation sliding seat 124, where the translation sliding seat 124 is disposed at a driving end of the translation driving member 121, and the translation driving member 121 can drive the translation sliding seat 124 to move along the axial direction of the battery cell 300. The translation drive 121 may employ a pneumatic cylinder or a motor. Further, the translation assembly 120 further includes a translation slide rail 122 and a translation slider 123, the translation slider 123 is slidably disposed on the translation slide rail 122, and the translation slider 123 is connected to the translation slide 124. By providing the translation sled 122 and the translation slider 123, the translation carriage 124 moves more smoothly.

In this embodiment, upper clamp assembly 140 and drive assembly 150 are disposed on translation carriage 124, and lower clamp assembly 130 is disposed at the drive end of drive assembly 150. Specifically, when the battery cell 300 is stretched, the driving assembly 150 drives the lower clamping assembly 130 to move away from the upper clamping assembly 140, so as to stretch the battery cell 300. In another embodiment, the lower clamping assembly 130 and the driving assembly 150 are disposed on the translation sliding base 124, the upper clamping assembly 140 is disposed at the driving end of the driving assembly 150, and the driving assembly 150 drives the upper clamping assembly 140 to move away from the lower clamping assembly 130 when the cell 300 is stretched. In other embodiments, the driving assembly 150 is disposed on the translation sliding base 124, and both the upper clamping assembly 140 and the lower clamping assembly 130 are disposed at the driving end of the driving assembly, so that when the battery cell 300 is stretched, the driving assembly 150 drives the upper clamping assembly 140 and the lower clamping assembly 130 to move away from each other.

In the present embodiment, the driving assembly 150 includes a driving motor 151, a driving motor fixing base 152, a driving coupling 153, a driving screw 155, a driving screw support 154, a driving screw nut 156, a driving connection block 157, and a driving slide 158. The driving motor 151 is disposed on the translation sliding base 124 through a driving motor fixing base 152, and a driving end of the driving motor 151 is connected with one end of a driving screw 155 through a driving coupling 153. The driving screw 155 is arranged on the translation sliding base 124 through the driving screw support 154, a driving screw nut 156 is arranged on the driving screw 155, and the driving screw nut 156 is connected with a driving sliding base 158 through a driving connecting block 157. Therefore, the driving motor 151 can drive the driving screw 155 to rotate to drive the driving screw nut 156 and the driving slide 158 to move in the vertical direction.

Further, the driving assembly 150 further includes a driving slide rail 159, the driving slide rail 159 is disposed on the translation slide 124 in a manner extending along the vertical direction, and a driving slider (not shown) is slidably disposed on the driving slide rail 159, and the driving slider is connected to the driving slide 158. By providing the drive slide 159 and the drive slider, the movement of the drive slider 158 is more smooth.

In this embodiment, the lower clamping assembly 130 further includes a lower clamping driving member 131, the lower clamping driving member 131 is disposed on the driving slide 158, a driving end of the lower clamping driving member 131 is connected to the lower clamping slide 132, and the lower clamping slide 132 is disposed with a second outer clamping rod 133; the second inner clamping bar 135 is connected to the drive slide 158 via the second inner clamping bar holder 134. The lower clamping driving member 131 can drive the lower clamping slide 132 to move so as to drive the second outer clamping rod 133 to move relative to the second inner clamping rod 135, so as to clamp or release the lower end of the battery cell 300. Specifically, the lower clamp driving member 131 may be a cylinder. Further, the lower clamping slider 132 is disposed on a lower clamping slider (not shown), the lower clamping slider is slidably disposed on the lower clamping rail 136, and the lower clamping rail 136 is disposed on the driving slider 158. By providing the lower clamping slide 136 and the lower clamping slide, the movement of the lower clamping slide 132 is more smooth. Further, the second outer clamping bar 133 may be a clamping roller.

In other embodiments, the lower clamp actuator 131 may be coupled to the second outer clamp bar 133 and the second inner clamp bar 135 to actuate the relative movement of the second outer clamp bar 133 and the second inner clamp bar 135. At this time, the lower clamp driving member 131 may be a jaw cylinder.

In this embodiment, the upper clamping assembly 140 further includes an upper clamping driving member 141, the upper clamping driving member 141 is disposed on the translation sliding base 124, a driving end of the upper clamping driving member 141 is connected to the upper clamping sliding base 142, and the upper clamping sliding base 142 is disposed with a first outer clamping rod 143; first inner clamping bar 145 is connected by first inner clamping bar mount 144 and translation slide 124. The upper clamping driving member 141 can drive the upper clamping slide 142 to move so as to drive the first outer clamping bar 143 to move relative to the first inner clamping bar 145, so as to clamp or release the upper end of the battery cell 300. Specifically, the upper clamp drive 141 may be a cylinder. Further, the upper clamp slider 142 is provided on an upper clamp slider (not shown) slidably provided on the drive rail 159. By providing the upper clamping slide on the drive slide 159, the movement of the upper clamping slide 142 is more smooth. Further, the first outer clamping bar 143 may be a clamping roller.

In other embodiments, the upper clamp driving member 141 may be connected to the first outer clamping bar 143 and the first inner clamping bar 145, and may drive the first outer clamping bar 143 and the first inner clamping bar 145 to move relatively. At this time, the upper clamp driving member 141 may be a jaw cylinder.

In this embodiment, in order to transfer the stretched battery cell 300 from the stretching mechanism 100 to the collapsing mechanism 200, the stretching mechanism 100 further includes a lifting assembly 110, and the lifting assembly 110 is connected to the translating assembly 120, and is used for driving the translating assembly 120 and the upper clamping assembly 140, the lower clamping assembly 130, and the driving assembly 150 on the translating assembly 120 to move in the vertical direction. Specifically, the needle winding mechanism and the flattening mechanism 200 are arranged at intervals in the vertical direction, and the needle winding mechanism is located above the flattening mechanism 200. When the battery cell 300 needs to be blanked, the lifting assembly 110 may drive the translation assembly 120 to move upward so that the upper clamping assembly 140 and the lower clamping assembly 130 are opposite to the needle winding mechanism; next, the translation assembly 120 drives the upper clamping assembly 140 and the lower clamping assembly 130 to move towards the direction close to the battery cell 300; then, the upper and lower ends of the battery cell 300 are clamped by the upper clamping assembly 140 and the lower clamping assembly 130, and the needle winding mechanism is drawn out from the battery cell 300; then, the driving assembly 150 drives the lower clamping assembly 130 to move away from the upper clamping assembly 140, and the battery cell 300 is stretched in the vertical direction; finally, the lifting assembly 110 drives the translation assembly 120 to drive the stretched battery cell 300 to move downwards to the flattening mechanism 200, the flattening mechanism 200 pre-presses the battery cell 300, and after pre-pressing, the translation assembly 120 drives the upper clamping assembly 140 and the lower clamping assembly 130 to move towards the direction away from the battery cell 300 so as to separate from the battery cell 300. It should be noted that, while the driving assembly 150 drives the lower clamping assembly 130 to move downward, the lifting assembly 110 can drive the translation assembly 120 to move upward, and the upward moving speed is lower than the downward moving speed of the lower clamping assembly 130, so that the lifting assembly 110 can drive the upper clamping assembly 140 to move upward, and meanwhile, the driving assembly 150 can drive the lower clamping assembly 140 to move downward, and the downward moving speed is the speed difference between the driving assembly 150 and the lifting assembly 110. Preferably, the upward movement speed is half of the downward movement speed, so that the upper clamping assembly 140 and the lower clamping assembly 130 can move back and forth at the same speed.

Specifically, the lifting assembly 110 may include a lifting motor 111, a lifting screw module 112 and a lifting slide 113, wherein the lifting motor 111 is connected to a lifting screw of the lifting screw module 112, and the lifting slide 113 is connected to a lifting screw nut of the lifting screw module 112. Therefore, the lifting motor 111 can drive the lifting screw rod module 112 to drive the lifting slide 113 to move up and down.

In other embodiments, the lifting assembly 110 may be disposed on the flattening mechanism 200, but not on the stretching mechanism 100, at this time, the lifting assembly 110 drives the flattening mechanism 200 to move in the vertical direction, specifically, drives the flattening mechanism 200 to move upward to the battery cell 300 to connect to the battery cell 300, and pre-presses the battery cell 300 after receiving the battery cell 300.

In this embodiment, as shown in fig. 6-9, the collapsing mechanism 200 includes a rotating assembly 230 and a collapsing assembly, and the rotating assembly 230 is capable of driving one end of the collapsing assembly to rotate about the other end thereof such that the collapsing assembly has a vertical state and a horizontal state. When the flattening assembly is in a vertical state, the flattening assembly can receive the stretched battery cell 300 and flatten the battery cell 300; after the battery cell 300 is flattened, the rotating assembly 230 drives the flattening assembly to rotate to a horizontal state so as to convey the flattened battery cell 300.

In the present embodiment, the flattening assembly includes a support assembly 230 and a pressing plate assembly 240, and the pressing plate assembly 240 is slidably disposed on the support assembly 230 and can move relative to the support assembly 230 to flatten the stretched battery cell 300 located between the pressing plate assembly 240 and the support assembly 230. The supporting component 230 may be a supporting plate, and in this case, the battery cell 300 may be grabbed out of the battery cell blanking apparatus from the supporting plate by using an external grabbing mechanism. In this embodiment, the supporting assembly 230 may be used for supporting and conveying the flattened battery cells 300 outwards. The supporting assembly 230 includes a conveying motor 231, a conveying motor fixing seat 232, a conveying coupling 235, a conveying bracket 233 and a conveying roller 234. The conveying motor 231 is arranged on one side of the conveying bracket 233 through a conveying motor fixing seat 232, the driving end of the conveying motor 231 is connected with one end of a conveying roller 234 through a conveying coupling 235, and the conveying roller 234 is rotatably arranged on the conveying bracket 233. The conveying bracket 233 is further provided with another conveying roller 234 along the conveying direction of the battery cell 300, and a conveying belt (not shown) is sleeved between the two conveying rollers 234. Therefore, after the battery cell 300 is flattened, the rotating assembly 220 may drive the flattening assembly to rotate to a horizontal state, and then the support assembly 230 of the flattening assembly conveys the flattened battery cell 300 outwards, and conveys the battery cell 300 to a battery cell conveying line butted with the support assembly 230.

In this embodiment, the pressing plate assembly 240 includes a pre-pressing plate 241 and a pressing plate 242, the pre-pressing plate 241 is used for cooperating with the supporting assembly 230 to pre-press the middle portion of the stretched battery cell 300, so as to facilitate the stretching mechanism 100 to be drawn out from the battery cell 300, and the pressing plate 242 is used for performing a flattening process on the pre-pressed battery cell 300. Specifically, the pre-press plate 241 is disposed in an escape groove in the middle of the press plate 242. The pressing plate assembly 240 further comprises a mounting frame 243, a pre-pressing driving member 245 is disposed on the mounting frame 243, and a driving end of the pre-pressing driving member 245 is connected with the pre-pressing plate 241 and is used for driving the pre-pressing plate 241 to move relative to the support assembly 230. Specifically, the pre-compression driver 245 may be a cylinder. Further, the pre-press plate 241 is slidably connected to the mounting frame 243 via a second slide assembly 247. The second sliding assembly 247 includes a second guide post 2471 and a second guide sleeve 2472 slidably disposed on the second guide post 2471, wherein one end of the second guide post 2471 is connected to the pre-pressing plate 241, and the second guide sleeve 2472 is connected to the mounting bracket 243. By providing the second sliding assembly 247, the movement of the pre-press plate 241 is more smooth.

A crush driver 244 is also provided on mounting bracket 243, with the drive end of crush driver 244 coupled to platen 242 for driving platen 242 in motion relative to support assembly 230. Specifically, the crush drivers 244 may be air cylinders. Further, the pressure plate 242 is slidably coupled by a first slide assembly 246 and a mounting frame 243. The first sliding assembly 246 includes a first guide post 2461 and a first guide sleeve 2462 slidably disposed on the first guide post 2461, one end of the first guide post 2461 is connected to the pressing plate 242, and the first guide sleeve 2462 is connected to the mounting bracket 243. By providing first slide assembly 246, the movement of platen 242 is smoother.

In this embodiment, the rotating assembly 220 includes a rotating driver 224, a driving end of the rotating driver 224 is hinged with a second hinge seat 223, and the second hinge seat 223 is disposed at one end of the supporting assembly 230; the fixed end of the rotary driving member 224 is connected to the rotary supporting seat 221 through the first hinge seat 225, the rotary supporting seat 221 is rotatably connected to the rotary connecting seat 222, and the rotary connecting seat 222 is connected to the other end of the supporting member 220. Therefore, when the driving end of the rotary driving element 224 is extended, one end of the supporting component 230 rotates counterclockwise around the other end (see fig. 6) so that the supporting component 230 and the pressing plate component 240 on the supporting component 230 rotate to the vertical state, at this time, the stretching mechanism 100 can lower the stretched battery cell 300 into the pressing area between the pressing plate component 240 and the supporting component 230, and the pressing plate component 240 can flatten the battery cell 300. When the driving end of the rotary driving member 224 is retracted, one end of the supporting assembly 230 rotates clockwise (see fig. 6) around the other end thereof, so that the supporting assembly 230 and the pressing plate assembly 240 on the supporting assembly 230 rotate to a horizontal state, at this time, the pressing plate assembly 240 may release the battery cell 300, and the supporting assembly 230 may convey the flattened battery cell 300 outwards.

In this embodiment, the flattening mechanism 200 further includes an adjusting assembly 210, and the adjusting assembly 210 is connected to the rotating assembly 220 and is used for driving the rotating assembly 220 and the flattening assembly to move along the thickness direction of the battery cell 300. When flattening the subassembly and being vertical state, adjusting part 210 can drive and flatten the subassembly and remove so that it is relative with electric core 300 to flatten the subassembly along the thickness direction of electric core 300, is convenient for move into electric core 300 and flattens in the pressfitting region of subassembly. When the flattening assembly is in a horizontal state, the adjusting assembly 210 can drive the flattening assembly to move along the thickness direction of the battery cell 300 so as to enable the supporting assembly 230 to be in butt joint with the battery cell conveying line, so that the supporting assembly 230 can convey the flattened battery cell 300 to the battery cell conveying line.

Specifically, the adjusting assembly 210 comprises an adjusting motor 211, the adjusting motor 211 is connected with one end of an adjusting screw rod 213 through a transmission assembly 212, the adjusting screw rod 213 is rotatably arranged on an adjusting screw rod support 214, and the adjusting screw rod support 214 is arranged on one side of a bottom plate 217; an adjusting screw nut 215 is arranged on the adjusting screw 213, the adjusting screw nut 215 is connected with an adjusting slide 219 through an adjusting connecting block 216, and the adjusting slide 219 is connected with the other side of the bottom plate 217 through an adjusting slide assembly 218 in a sliding manner. Therefore, the adjusting motor 211 can drive the adjusting screw 213 to rotate to drive the adjusting screw nut 215, the adjusting connecting block 216 and the adjusting slider 219 to move. The adjusting sliding assembly 218 comprises an adjusting sliding rail 2181 and an adjusting sliding block 2182, the adjusting sliding rail 2181 is disposed on the bottom plate 217, and the adjusting sliding block 2182 is slidably disposed on the adjusting sliding rail 2181 and connected to the adjusting sliding seat 219.

The transmission assembly 212 may be a coupler, and may also include a driving wheel 2121, where the driving wheel 2121 is disposed at a driving end of the adjustment motor 211; a driven wheel 2122 is provided at one end of the adjusting screw 213, and a driving belt 2123 is connected between the driving wheel 2121 and the driven wheel 2122.

Further refer to fig. 10, the embodiment of the present invention provides a battery cell blanking method, which applies the battery cell blanking device in any of the above embodiments, and the battery cell blanking method includes:

the battery cell 300 is stretched in the vertical direction. Specifically, the battery cell 300 is stretched by using the stretching mechanism 100. Stretching the battery cell 300 in the vertical direction may include: the translation assembly 120 drives the upper clamping assembly 140 and the lower clamping assembly 130 to move towards the direction close to the battery cell 300 so as to insert the first inner clamping bar 145 and the first outer clamping bar 143 into the inner side and the outer side of the upper end of the battery cell 300 and insert the second inner clamping bar 135 and the second outer clamping bar 133 into the inner side and the outer side of the lower end of the battery cell 300; the upper clamping assembly 140 and the lower clamping assembly 130 clamp the upper end and the lower end of the battery cell 300; the needle winding mechanism is drawn out of the battery cell 300; the driving assembly 150 drives the lower clamping assembly 130 and the upper clamping assembly 140 to move away from each other alone or the driving assembly 150 and the lifting assembly 110 drive the lower clamping assembly 130 and the upper clamping assembly 140 to move away from each other to stretch the battery cell 300 in the vertical direction. Wherein, before the translation assembly 120 drives the upper clamping assembly 140 and the lower clamping assembly 130 to move in a direction close to the battery cell 300, the lifting assembly 110 drives the translation assembly 120 to move in a vertical direction so that the upper clamping assembly 140 and the lower clamping assembly 130 are opposite to the battery cell 300.

And flattening the stretched battery core 300. Specifically, the flattening mechanism 200 is used to flatten the stretched battery cell 300. Flattening the stretched battery cell 300 may include: rotating assembly 220 drives the collapsing assembly to rotate to the vertical state; the lifting assembly 110 moves the stretched battery cell 300 into a pressing area of the flattening assembly; prepressing plate 241 of pressing plate assembly 240 of the flattening assembly prepresses the middle part of electric core 300; the translation assembly 120 drives the upper clamping assembly 140 and the lower clamping assembly 130 to move away from the cell 300 so that the first inner clamping bar 145 and the first outer clamping bar 143, the second inner clamping bar 135 and the second outer clamping bar 133 are separated from the cell; the pressing plate 242 of the pressing plate assembly 240 of the flattening assembly flattens the battery cell 300. Before the lifting assembly 110 moves the stretched battery cell 300 into the pressing area of the flattening assembly, the adjusting assembly 210 drives the flattening assembly to move to be opposite to the battery cell 300.

And conveying the flattened battery cell 300 outwards. Specifically, rotating assembly 220 may be included to drive the collapsing assembly to rotate to the horizontal state; the support assembly 220 of the flattening assembly conveys the flattened battery cell 300 outwards. Before the support assembly 220 of the flattening assembly conveys the flattened battery cell 300 outwards, the adjusting assembly 210 drives the flattening assembly to move along the thickness direction of the battery cell 300 to be in butt joint with the battery cell conveying line.

Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive. Those skilled in the art, having the benefit of the teachings of this invention, may effect numerous modifications thereto and changes may be made without departing from the scope and spirit of the invention as defined by the appended claims. Therefore, all equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a battery core unloader which characterized in that includes:

2. The battery cell blanking device of claim 1, wherein the stretching mechanism comprises:

3. The battery cell blanking apparatus of claim 2, wherein the translation assembly comprises:

a translation drive;

4. The battery cell blanking device of claim 3, wherein the upper clamping assembly and the driving assembly are disposed on the translational slide, and the lower clamping assembly is disposed at a driving end of the driving assembly;

5. The battery cell blanking device of any one of claims 2 to 4, further comprising a lifting assembly, wherein the lifting assembly is connected to the translation assembly, and is configured to drive the translation assembly and the upper clamping assembly, the lower clamping assembly, and the driving assembly on the translation assembly to move in a vertical direction.

6. The battery cell blanking device of claim 1, wherein the flattening mechanism comprises:

flattening the assembly;

7. The battery cell blanking apparatus of claim 6, wherein the collapsing assembly comprises:

a support assembly;

8. The battery cell blanking apparatus of claim 7, wherein the support assembly comprises:

a delivery stent;

the conveying motor is arranged on one side of the conveying support;

and the conveying belt is sleeved on the two conveying rollers.

9. The battery cell blanking device according to claim 7, wherein the pressing plate assembly includes a pre-pressing plate and a pressing plate, the pre-pressing plate is disposed in the avoiding groove in the middle of the pressing plate, and the pre-pressing plate is used for pre-pressing the middle portion of the stretched battery cell in cooperation with the support assembly, so as to facilitate the drawing mechanism to draw out the stretched battery cell from the battery cell; and the pressing plate is used for flattening the pre-pressed battery core.

10. The battery cell blanking device according to claim 9, wherein the pressing plate assembly further includes a mounting frame, a pre-pressing driving member is disposed on the mounting frame, and a driving end of the pre-pressing driving member is connected to the pre-pressing plate for driving the pre-pressing plate to move relative to the support assembly; and a flattening driving part is also arranged on the mounting frame, and the driving end of the flattening driving part is connected with the pressing plate and is used for driving the pressing plate to move relative to the supporting component.

11. The battery cell blanking apparatus of claim 7, wherein the rotation assembly comprises:

rotating the supporting seat;

12. The battery cell blanking device of claim 6, wherein the flattening mechanism further comprises an adjusting assembly, and the adjusting assembly is connected with the rotating assembly and is used for driving the rotating assembly and the flattening assembly to move along the thickness direction of the battery cell.