Milling machine for separating battery modules

Abstract

The utility model provides a milling machine for separating battery modules, which comprises a cutting device, and the cutting device comprises a workbench, a milling cutter and a turning plate assembly. Wherein the milling cutter is configured to move along the X-axis direction, the Y-axis direction and the Z-axis direction relative to the workbench through the displacement assembly; the turning plate assembly comprises a turning plate hinged to the workbench, and the turning plate is configured to rotate between a supporting position and a turning position relative to the workbench. When the battery module is located at the supporting position, the battery module is configured to be partially supported on the turning plate and partially supported on the workbench; the milling cutter is configured to at least cut the battery module supported on the turning plate and the workbench into a first part located on the turning plate and a second part located on the workbench; and when in the turnover position, the turnover plate is configured to drive the first part to be separated from the second part. According to the milling machine, cutting can be accurate, and the battery cell can be separated after cutting is completed.

Description

Technical Field

[0001] The present application relates to the field of battery processing technology, and in particular to a milling machine for separating battery modules. Background Art

[0002] Battery modules play an important role in the field of electric vehicles and large-scale energy storage. Battery modules provide the required voltage and capacity by integrating multiple battery cells, and meet the needs of higher voltage and larger capacity through internal connections. Battery modules need to be disassembled after use for subsequent recycling. In addition, the disassembled batteries can also be used for experimental research.

[0003] When disassembling the battery module, it is necessary to accurately avoid the battery cells to prevent damage to the battery cells; during the disassembly process, it is also necessary to accurately cut the aluminum alloy frame, aluminum alloy weld, middle plastic structure and CCS busbar of the battery module, so as to separate the battery module into multiple pieces. After cutting the rigid connection structure in the battery module, the staff cannot directly access the cut part because the battery cells are bonded together. How to provide a device that can cut accurately and separate the battery cells after cutting is a technical problem that needs to be solved urgently in this field. Utility Model Content

[0004] In view of this, an embodiment of the present application provides a milling machine for separating battery modules to solve the above-mentioned problems existing in the prior art.

[0005] According to a first aspect of an embodiment of the present application, there is provided a milling machine for separating battery modules, comprising:

[0006] Workbench;

[0007] A milling cutter, the milling cutter being configured to move relative to the workbench along an X-axis, a Y-axis, and a Z-axis through a displacement assembly;

[0008] a flap assembly, the flap assembly comprising a flap hinged on the workbench, the flap being configured to rotate relative to the workbench between a supporting position and a flipping position;

[0009] When located at the supporting position, the battery module is configured to be partially supported on the flap and partially supported on the workbench; the milling cutter is configured to cut the battery module supported on the flap and the workbench into at least a first part located on the flap and a second part located on the workbench;

[0010] When in the flip position, the flap is configured to drive the first part to separate from the second part.

[0011] In one embodiment of the present application, the dividing line between the first part and the second part is configured to extend along the X-axis direction; the side edge of the flap away from the user operation area is configured to be hinged to the workbench, and the rotation axis of the flap extends along the X-axis direction.

[0012] In one embodiment of the present application, an opening adapted to the flap is provided on the workbench; when in the supporting position, the flap is configured to be located in the opening, and the upper end surface of the flap is configured to be flush with the upper end surface of the workbench.

[0013] In one embodiment of the present application, the flap in the supporting position is configured to rotate downward along the hinge axis to the flipping position; the second part is configured to be fixed on the workbench; the first part is configured to be fixed on the flap and is configured to rotate downward with the flap to be separated from the second part.

[0014] In one embodiment of the present application, a blocking member is fixedly provided on the workbench, and the blocking member is configured to be at least partially located above the flap to limit the degree of freedom of the flap to rotate upward.

[0015] In one embodiment of the present application, the cutting device further includes a first pressing plate detachably connected to the flap and the workbench; the first pressing plate is configured to press the first part to fix the first part on the flap, and is configured to press the second part to fix the second part on the workbench.

[0016] In one embodiment of the present application, the milling cutter is configured to cross-divide the battery module into a first part, a second part, a third part, and a fourth part; the first part and the third part are configured to be located on the flap; the second part and the fourth part are configured to be located on the workbench;

[0017] The first pressing plate is configured to press the first part on the flap and is configured to press the second part on the workbench; the first part is configured to rotate downward with the flap to be separated from the second part and the third part.

[0018] In one embodiment of the present application, the flap assembly further includes a pressure bar detachably connected to the flap; one end of the pressure bar is configured to be installed below the flap, and the other end is configured to be suitable for holding to drive the flap to move through the pressure bar.

[0019] In an embodiment of the present application, the flap assembly further includes a locking mechanism, which includes a movable part movably connected to the workbench and a fixed part fixedly connected to the flap; the movable part is configured to move relative to the workbench between a locking position and a release position;

[0020] When in the locking position, the movable part is configured to cooperate with the fixed part to fix the flap in the supporting position;

[0021] When in the release position, the movable part is configured to separate from the fixed part so that the flap can be rotated to the flipping position.

[0022] In an embodiment of the present application, the movable part includes a rotating shaft rotatably connected to the workbench and a protruding member provided on the rotating shaft; the protruding member is configured to move relative to the workbench under the drive of the rotating shaft;

[0023] When in the locking position, the protruding member is configured to abut against the lower end surface of the fixed part to provide an upward supporting force;

[0024] When in the release position, the protruding member is configured to separate from the fixed part.

[0025] In an embodiment of the present application, a plurality of positioning blocks are provided on the workbench. The plurality of positioning blocks are configured to be at least spaced apart along the Y-axis on both sides of the battery module and to be at least in contact with the vertical surfaces of the battery module extending along the X-axis; wherein, the plurality of positioning blocks on the same side of the battery module are configured to be spaced apart along the X-axis; and the plurality of positioning blocks on one side of the battery module are configured to be provided on the flap.

[0026] In an embodiment of the present application, the displacement assembly includes:

[0027] A Y-axis displacement mechanism configured to be provided on the workbench;

[0028] An X-axis displacement mechanism configured to be movably connected to the Y-axis displacement mechanism;

[0029] A Z-axis displacement mechanism configured to be movably connected to the X-axis displacement mechanism; the milling cutter is configured to move in the Z-axis direction through the Z-axis displacement mechanism, and is configured to move along the X-axis under the driving action of the Z-axis displacement mechanism, and is configured to move along the Y-axis under the driving action of the X-axis displacement mechanism.

[0030] In one embodiment of the present application, a coiling device is further included. The coiling device includes a coiling table and a coiling assembly disposed on the coiling table. The coiling table is configured to carry a battery module, and the coiling assembly is configured to wind an insulating plate of the battery module located on the coiling table during the movement relative to the coiling table.

[0031] In one embodiment of the present application, the cutting device further includes a numerical control unit, which is configured to at least control the cutting starting point, cutting path, cutting speed, and cutting depth of the milling cutter.

[0032] One beneficial effect of the present application is to provide a milling machine with precise cutting and capable of separating battery cells after cutting. Specifically, the milling cutter can move to any position along the directions of the X-axis, Y-axis, and Z-axis under the driving of the displacement assembly, thus achieving precise cutting. After cutting, the turning plate assembly can drive the first part of the battery module supported on the turning plate to rotate relative to the workbench, so that the first part is separated from the second part, and the battery cells bonded together in the battery module are broken apart during this process, which is convenient for the staff to take the cut part. Description of the Drawings

[0033] Figure 1 is a schematic structural diagram of a cutting device provided by an embodiment of the present application;

[0034] Figure 2 is a schematic structural diagram of the cutting device provided by an embodiment of the present application from another angle;

[0035] Figure 3 is a schematic structural diagram of a workbench provided by an embodiment of the present application;

[0036] Figure 4 is Figure 3 a partial enlarged view of A in

[0037] Figure 5 is a schematic structural diagram of the bottom of the workbench and the turning plate assembly provided by an embodiment of the present application;

[0038] Figure 6 is Figure 5 a partial enlarged view of B in

[0039] Figure 7 is a schematic structural diagram of the cutting device provided by an embodiment of the present application from another angle;

[0040] Figure 8 is Figure 7 a partial enlarged view of C in

[0041] Figure 9 is Figure 7 a partial enlarged view of D in

[0042] Figure 10 It is a schematic structural diagram of another angle of the cutting device provided by an embodiment of the present application;

[0043] Figure 11 is Figure 10 The partial enlarged view of the E position in

[0044] Figures 1 to 11 The one-to-one correspondence between the names of the components and the reference numerals in

[0045] 1. Cutting device; 10. Milling cutter; 11. Workbench; 111. Backing plate; 112. Stopper; 12. Flap; 121. Hinge shaft; 13. Locking mechanism; 131. Fixed part; 132. Rotating shaft; 133. Protruding part; 134. Rotating handle; 141. Y-axis rack; 142. Y-axis gear; 143. Y-axis slide rail; 144. Y-axis slider; 151. Support column; 152. Support cross beam; 153. First connecting plate; 154. Second connecting plate; 161. X-axis rack; 162. X-axis gear; 163. X-axis slide rail; 164. X-axis slider; 165. X-axis driving motor; 171. Z-axis slide rail; 172. Z-axis slider; 173. Third connecting plate; 18. Positioning block; 181. Kidney-shaped hole; 19. Traveling wheel. Detailed implementation manners

[0046] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementations disclosed below.

[0047] Now, various exemplary embodiments of the present application will be described in detail with reference to the accompanying drawings. It should be noted that: unless otherwise specifically stated, the relative arrangements of the components and steps, numerical expressions and values set forth in these embodiments do not limit the scope of the present application.

[0048] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present application, its application, or its use.

[0049] Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and devices should be regarded as part of the specification.

[0050] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0051] The following describes the specific implementation manners of the present application in conjunction with the accompanying drawings.

[0052] In this text, "upper", "lower", "front", "rear", "left", "right", etc. are only used to represent the relative positional relationships between relevant parts, rather than limiting the absolute positions of these relevant parts.

[0053] In this text, "first", "second", etc. are only used for distinguishing each other, rather than indicating importance, order, and the prerequisite for each other's existence, etc.

[0054] In this text, "equal", "same", etc. are not strict mathematical and / or geometric sense limitations, and also include errors that can be understood by those skilled in the art and are allowed in manufacturing or using, etc.

[0055] Unless otherwise specified, the numerical ranges in this text include not only the entire range within its two endpoints, but also several sub-ranges included therein.

[0056] The present application provides a milling machine for separating battery modules, which can be at least used for cutting the battery modules of electric vehicles. Refer to Figures 1 to 11 , the milling machine includes a cutting device 1, and the cutting device 1 includes: a workbench 11, a milling cutter 10, and a turning plate assembly. The milling cutter 10 can rotate at a high speed under the driving action of a motor, so as to realize the cutting function. The milling cutter 10 is configured to move relative to the workbench 11 along the X-axis, Y-axis, and Z-axis directions through a displacement component, so as to accurately cut hard connection structures such as the aluminum alloy frame, aluminum alloy weld, intermediate plastic structure, and CCS busbar of the battery module, so as to cut the battery module into small-volume battery blocks or battery monomers. Specifically, as Figure 1 shown, the X-axis direction in the present application can be the extending direction of the long side of the battery module, the Y-axis direction can be the extending direction of the short side of the battery module, and the Z-axis direction can be the extending direction of the height of the battery module.

[0057] When cutting different parts of the battery module, the user can replace the milling cutter 10 with different sizes. For example, when cutting structures such as the aluminum alloy frame, aluminum alloy weld, and intermediate plastic structure, a larger-size milling cutter 10 can be used, thereby improving the cutting efficiency; while when cutting the CCS busbar, a smaller-size milling cutter 10 can be used, thereby improving the cutting accuracy.

[0058] In addition, when cutting different parts of the battery module, the rotation speed of the milling cutter 10 and the depth of the milling cutter 10 controlled by the displacement component during cutting can also be different. For example, when cutting the surrounding frame, since the frame is usually made of metal materials such as aluminum alloy and has a relatively high hardness, the milling cutter 10 can be controlled to cut at a relatively high speed; while when cutting the middle connection part, since this part is usually made of materials with relatively low hardness such as nylon and plastic, the milling cutter 10 can be controlled to cut at a relatively low speed; when cutting the CCS busbar, the milling cutter 10 can be controlled to maintain a relatively shallow cutting depth to prevent over-cutting and damaging the battery cells.

[0059] In an embodiment of the present application, the cutting device 1 further includes a numerical control unit, which is configured to at least control the cutting start point, cutting path, cutting speed, and cutting depth of the milling cutter 10. Through the numerical control unit, the user can set the cutting position. For example, the user can select to cut the left CCS busbar, the right CCS busbar, the left frame, the right frame, the central weld seam, etc., and further set the specific depth of each cutting position.

[0060] The user can also control the spatial coordinate position of the milling cutter 10 to set the cutting start point and the specific path. Specifically, when cutting the weld seam along the X-axis direction, a reaming-type path program can be adopted, and the milling cutter 10 will move in a circular motion centered on a point and move downward until the cutting is completed; when cutting the connection position between the left and right parts of the battery module along the Y-axis direction, a single-line cutting tool path program can be adopted, and the milling cutter 10 will reciprocate along a straight line and move downward. The cutting path can be written into the program setting in advance, so that there is no need for the user to make a large number of settings before each cutting, improving the automation degree of the cutting device 1.

[0061] The milling cutter 10 moves along the X-axis, Y-axis, and Z-axis directions through the displacement component, that is, along the long side, short side, and height direction of the battery module, thereby realizing free movement within a certain space range to cut different parts of the battery module. In an embodiment of the present application, the displacement component includes: an X-axis displacement mechanism, a Y-axis displacement mechanism, and a Z-axis displacement mechanism, which can respectively drive the milling cutter 10 to move along the X-axis, Y-axis, and Z-axis directions.

[0062] In a specific embodiment, refer to Figure 2 、 Figures 7 to 11, the Y-axis displacement mechanism is configured to be disposed on the workbench 11; the X-axis displacement mechanism is configured to be movably connected to the Y-axis displacement mechanism; the Z-axis displacement mechanism is configured to be movably connected to the X-axis displacement mechanism. The milling cutter 10 is configured to move in the Z-axis direction through the Z-axis displacement mechanism, and is configured to move in the X-axis direction under the driving action of the Z-axis displacement mechanism, and is configured to move in the Y-axis direction under the driving action of the X-axis displacement mechanism. It should be noted that in addition to the mutual driving manner of this embodiment, the X-axis displacement mechanism, the Y-axis displacement mechanism, and the Z-axis displacement mechanism can also be mutually driven in other ways. For example, the milling cutter 10 can also be disposed on the Y-axis displacement mechanism or the X-axis displacement mechanism and be indirectly driven to move by the displacement mechanism in other directions.

[0063] As Figure 7 shown, the X-axis displacement mechanism may include a support cross beam 152 and support columns 151 disposed below both ends of the support cross beam 152. As Figure 8 shown, at the bottoms of the two support columns 151, Y-axis sliders 144 are fixedly disposed, and Y-axis gears 142 are also rotatably connected to the bottoms of the two support columns 151. The Y-axis displacement mechanism may include Y-axis racks 141 and Y-axis slide rails 143 disposed on both sides of the workbench 11, and both the Y-axis racks 141 and the Y-axis slide rails 143 extend in the Y-axis direction. The two Y-axis gears 142 are configured to be respectively meshed and connected to the two Y-axis racks 141, and are configured to move in the Y-axis direction during rotation. The two Y-axis sliders 144 are configured to be slidably connected to the two Y-axis slide rails 143, and are configured to slide in the Y-axis direction under the driving action of the Y-axis gears 142. The two support columns 151 can move in the Y-axis direction under the driving action of the two Y-axis gears 142 and the two Y-axis sliders 144, and drive the support cross beam 152 to move in the Y-axis direction together.

[0064] Referring to Figures 9 to 11 , the X-axis displacement mechanism further includes an X-axis rack 161 and an X-axis slide rail 163 disposed on the support cross beam 152. As Figure 11 shown, the Z-axis displacement mechanism includes a Z-axis slide rail 171, and the Z-axis slide rail 171 is disposed on one surface of the first connecting plate 153. As Figure 9 shown, on the other surface of the first connecting plate 153, a second connecting plate 154 is fixedly connected, an X-axis driving motor 165 is disposed on the second connecting plate 154, and an X-axis gear 162 is rotatably connected to the output end of the X-axis driving motor 165. The X-axis gear 162 is configured to be meshed and connected to the X-axis rack 161, and is configured to rotate under the driving action of the X-axis driving motor 165 to move in the X-axis direction. As Figure 11As shown, an X-axis slider 164 is further provided on the first connecting plate 153. The X-axis slider 164 is configured to be slidably connected to the X-axis slide rail 163 and is configured to slide along the X-axis under the driving action of the X-axis gear 162. The first connecting plate 153 can move along the X-axis under the driving action of the X-axis gear 162 and the X-axis slider 164.

[0065] Reference Figure 10 and Figure 11 , the milling cutter 10 is fixedly connected to one side of the third connecting plate 173, and a Z-axis slider 172 is fixedly connected to the other side of the third connecting plate 173. The Z-axis slider 172 is configured to be slidably connected to the Z-axis slide rail 171, so that the milling cutter 10 can slide along the Z-axis under the driving action of the Z-axis slider 172.

[0066] The above introduces a specific structure of the displacement component of this embodiment. The milling cutter 10 can move in the Z-axis direction through the Z-axis slider 172 and the Z-axis slide rail 171; and move along the X-axis under the driving action of the X-axis gear 162 and the X-axis slider 164; and move along the Y-axis through the two support columns 151 under the driving action of the two Y-axis gears 142 and the two Y-axis sliders 144. The milling cutter 10 can move along the X-axis, Y-axis, and Z-axis directions on the workbench 11 through the displacement component to cut the battery module.

[0067] After the milling cutter 10 finishes cutting the rigid connection structure in the battery module, since the battery cells are bonded together, the staff cannot directly take the cut part. In order to completely separate the battery blocks cut by the milling cutter 10, the cutting device 1 of the present application further includes a flap assembly.

[0068] As Figure 3 shown, the flap assembly includes a flap 12 hinged to the workbench 11. As Figure 5 shown, the side of the flap 12 away from the user operation area is configured to be hinged to the workbench 11, and the rotation axis of the flap 12 extends along the X-axis direction. The flap 12 can be rotatably connected to the workbench through a plurality of hinges and a hinge shaft 121. The hinge shaft 121 extends along the X-axis direction and is located at a position close to the center line of the workbench 11 and away from the user operation area.

[0069] The flap 12 is configured to rotate between a supporting position and a flipping position relative to the workbench 11. When located at the supporting position, the battery module is configured to be partially supported on the flap 12 and partially supported on the workbench 11. Specifically, an opening adapted to the flap 12 may be provided on the workbench 11. When located at the supporting position, the flap 12 is configured to be located in the opening, and the upper end surface of the flap 12 is configured to be flush with the upper end surface of the workbench 11. In this way, the flap 12 located at the supporting position can be embedded in the workbench 11, and the upper end surfaces of the flap 12 and the workbench 11 remain flush, thereby jointly supporting the battery module.

[0070] The milling cutter 10 is configured to cut the battery module supported on the flap 12 and the workbench 11 into at least a first part located on the flap 12 and a second part located on the workbench 11. Specifically, the dividing line between the first part and the second part is configured to extend along the X-axis direction. It should be noted that the milling cutter 10 can only cut off the rigid connection structure between the first part and the second part, such as: aluminum alloy frame, aluminum alloy weld, intermediate plastic structure and CCS busbar, etc. However, the battery cells of the first part and the second part are bonded together. Therefore, after the milling cutter 10 divides the battery module into the first part and the second part, the staff cannot directly access the battery block, but needs to use the flap assembly to pry the first part and the second part apart.

[0071] When the flap 12 is in the flip position, the flap 12 is configured to drive the first part to separate from the second part. Specifically, the flap 12 in the supporting position is configured to rotate downward along the hinge shaft 121 to the flip position. The second part is configured to be fixed on the workbench 11, and the first part is configured to be fixed on the flap 12 and is configured to rotate downward with the flap 12 to separate from the second part.

[0072] Furthermore, the cutting device 1 further comprises a first pressing plate detachably connected to the flap 12 and the workbench 21, the first pressing plate being configured to press the first part to fix the first part on the flap 12, and being configured to press the second part to fix the second part on the workbench 11. The first pressing plate may have a height adapted to the battery module, so that the battery module can be fixed on the workbench 11 or the flap 12. The first part fixed on the flap 12 by the first pressing plate can rotate downward with the flap, so as to be bent to be separated from the second part.

[0073] The cutting device 1 may further include a second pressing plate, which is used to press the aluminum frame of the battery module during the cutting process, so as to comprehensively fix the battery module and prevent displacement during the cutting process. Due to the difference in the pressing position, the height of the second pressing plate is configured to be less than that of the first pressing plate. In order to achieve a stronger fixing effect, the first pressing plate can be pressed onto the upper surface of the battery module, thus blocking part of the frame and the CCS busbar, which may affect the cutting; while the second pressing plate is pressed on the aluminum frame outside the battery module and will not block the part to be cut at all.

[0074] The present application provides a milling machine that is precise in cutting and can separate the battery cells after cutting. Specifically, the milling cutter can move to any position along the X-axis, Y-axis, and Z-axis directions under the driving action of the displacement assembly, thus achieving precise cutting. After cutting, the flap assembly can drive the first part of the battery module supported on the flap to rotate relative to the workbench, so that the first part and the second part are separated from each other, and the battery cells bonded together in the battery module are separated during this process, which is convenient for the staff to take the cut part.

[0075] In an embodiment of the present application, the milling cutter 10 is configured to cross-divide the battery module into a first part, a second part, a third part, and a fourth part, wherein the first part and the third part are configured to be located on the flap 12, and the second part and the fourth part are configured to be located on the workbench 11. It can be understood that the milling cutter 10 cuts the battery module along the X-axis direction and the Y-axis direction respectively, thereby forming a cross-shaped dividing line and dividing the battery module into four pieces.

[0076] The X-axis side of the first part is bonded to the second part, and the Y-axis side of the first part and the third part are cut by the milling cutter 10. When the staff needs to take the first part, the first pressing plate is configured to press the first part onto the flap 12 and press the second part onto the workbench 11. The first part is configured to rotate downward with the flap 12 to separate from the second part and the third part. The flap 12 can drive the part of the battery module fixed thereon to turn together, so as to break the battery module along the X-axis direction, that is, break the first part away from the second part. Although the third part is located on the flap 12, since the third part is not fixed on the flap 12 by the first pressing plate, the third part will not rotate together with the flap 12 when the flap 12 rotates, and the third part can remain in place. In this way, it is realized that one of the four pieces is separately separated by the flap assembly when the battery module is cut into four pieces, which improves the flexibility of the milling machine.

[0077] In an embodiment of the present application, refer to Figure 3, a blocking member 112 is fixedly arranged on the workbench 11. The blocking member 112 is configured to be at least partially located above the flap 12 to limit the degree of freedom of the flap 12 to rotate upward. Two blocking members 112 can be provided, and the two blocking members 112 can be respectively arranged at the positions of two corners of the flap 12 close to the X-axis side of the workbench. The side of the flap 12 away from the hinge shaft 121 is restricted from rotating upward by the blocking member 112, so that a limit rotation position of the flap 12 is a support position flush with the end face of the workbench 11.

[0078] In an embodiment of the present application, referring to Figure 5 and Figure 6 , the flap assembly further includes a locking mechanism 13. Two locking mechanisms 13 can be provided to respectively fix the relative two sides of the flap 12. The locking mechanism 13 includes a movable part movably connected to the workbench and a fixed part 131 fixedly connected to the flap 12. The movable part is configured to move relative to the workbench 11 between a locking position and a release position. When in the locking position, the movable part is configured to cooperate with the fixed part 131 to fix the flap 12 in the support position; when in the release position, the movable part is configured to separate from the fixed part 131 so that the flap 12 can rotate to the flipping position.

[0079] Specifically, as Figure 6 shown, the movable part includes a rotating shaft 132 rotatably connected to the workbench 11 and a protruding member 133 arranged on the rotating shaft 132. The protruding member 133 is configured to move relative to the workbench 11 driven by the rotating shaft 132. When in the locking position, the protruding member 133 is configured to abut against the lower end face of the fixed part 131 to provide an upward supporting force; when in the release position, the protruding member 133 is configured to separate from the fixed part 131. A rotating handle 134 suitable for holding can be arranged on the rotating shaft 132, and the staff can drive the rotating shaft 132 to rotate between the locking position and the release position by operating the rotating handle 134.

[0080] When the rotating shaft 132 rotates to the locking position, the protruding member 133 on the rotating shaft 132 can move below the fixed part 131, so as to abut against the lower end face of the fixed part 131 to provide an upward supporting force and enable the flap 12 to be kept in the support position flush with the upper end face of the workbench 11 to support the battery module. When the rotating shaft 132 rotates to the release position, the protruding member 133 on the rotating shaft 132 can move to a position separated from the fixed part 131, so as to no longer provide a supporting force to the fixed part 131 and the flap 12. After the flap 12 loses the support, it can rotate downward to the flipping position, thereby realizing the separation of the battery module.

[0081] In an embodiment of the present application, the flap assembly further includes a pressure bar detachably connected to the flap 12. One end of the pressure bar is configured to be installed below the flap 12, and the other end is configured to be suitable for gripping, so as to drive the flap 12 to move through the pressure bar. When the milling cutter 10 performs cutting, the pressure bar can be detached from the flap 12; after the cutting is completed, when it is necessary to rotate the flap 12, the staff can install the pressure bar on the flap 12 and hold the pressure bar to provide an upward supporting force to the flap 12. Then, the staff can operate the rotation handle 134 to move the locking mechanism 13 to the release position, and the protruding member 133 no longer provides a supporting force to the fixing portion 131 and the flap 12. The flap 12 has a tendency to rotate downward under the action of gravity. The staff can operate the pressure bar to slowly rotate the flap 12 until the battery module is separated. If the pressure bar is not provided, it may cause the flap 12 to rotate too fast when losing the support of the locking mechanism 13, which may cause damage to the battery module. By providing the pressure bar in the present application, the staff can manually apply force to the flap 12 to control the rotation speed of the flap 12.

[0082] After the battery module is separated, the staff can also lift the flap 12 back to the support position by operating the pressure bar, and operate the rotation handle 134 again to move the locking mechanism 13 to the locking position, so as to fix the flap 12 back to the support position again. At this time, the staff can release the pressure bar or remove the pressure bar, and remove the first pressing plate for fixing the battery module, so as to remove the battery module from the workbench 11 and the flap 12.

[0083] Reference Figure 3 and Figure 4 , a plurality of positioning blocks 18 are arranged on the workbench 11. The plurality of positioning blocks 18 are configured to be at least spaced along the Y-axis direction on both sides of the battery module, and are configured to at least fit with the vertical surfaces of the battery module extending along the X-axis direction; wherein, the plurality of positioning blocks 18 on the same side of the battery module are configured to be spaced along the X-axis direction, and the plurality of positioning blocks on one side of the battery module are configured to be arranged on the flap 12. Since the volume of the positioning block 18 is relatively small, it is difficult for a small number of positioning blocks 18 to achieve a fixing effect. Therefore, a plurality of positioning blocks 18 need to be arranged on one side of the battery module for fixing at the same time. When the battery module is placed on the workbench 11 and the flap 12, the two long-side vertical surfaces of the battery module can be clamped between two rows of positioning blocks 18 spaced along the Y-axis direction on both sides of the battery module, thereby preventing the battery module from shifting during cutting. The positioning blocks 18 can be spaced not only along the Y-axis direction on both sides of the battery module, but also along the X-axis direction on both sides of the battery module, so as to clamp the two short-side vertical surfaces of the battery module to further improve the fixing effect.

[0084] Such as Figure 4As shown, the positioning block 18 has a cross-section approximately in the shape of an L. Its horizontal part is fixed on the workbench 11, and its upward-folded part is used to fit against the vertical surface of the battery module, that is, at least for clamping the long-side vertical surface of the battery module. A waist-shaped hole 181 is provided on the horizontal part of the positioning block 18, and a screw can pass through the waist-shaped hole 181 to fix the positioning block 18 in a suitable position. The waist-shaped hole 181 gives the positioning block 18 a certain adjustment space and has more than one fixed position, so that the cutting device 1 can be applicable to battery modules of various sizes.

[0085] In an embodiment of the present application, a set of wheels for movement can be respectively provided at the bottom of the workbench 11. Specifically, as Figure 1 shown, a plurality of walking wheels 19 are provided at the bottom of the workbench 11. This can facilitate the staff to freely adjust the position of the cutting device 1 and improve the flexibility of the milling machine.

[0086] In an embodiment of the present application, as Figure 1 shown, cushion plates 111 can be provided on the workbench 11 and the turning plate 12. The cushion plates 111 can all be made of insulating materials, thereby separating the battery module from the workbench 11 and the turning plate 12, preventing the battery module from leaking electricity and improving the safety of the milling machine.

[0087] In an actual application scenario, before cutting the battery module, it is necessary to first remove the insulating plates adhered to the bottom surface and the surrounding vertical surfaces of the battery module. For this purpose, the milling machine of the present application further includes a coiling device for removing the insulating plates. The coiling device includes a coiling table and a coiling assembly provided on the coiling table. The coiling table is configured to carry the battery module, and the coiling assembly is configured to wind the insulating plates of the battery module located on the coiling table during the process of moving relative to the coiling table.

[0088] The present application uses a coiling device to achieve automatic peeling of the insulating plates. Compared with the method of manually peeling the insulating plates in the prior art, the coiling device improves the automation degree of processing the battery module and saves labor costs. In addition, the method of automatically coiling the insulating plates also improves the speed and efficiency of processing the battery module.

[0089] The above has described the embodiments of the present application. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, the actual application, or the improvement of the technology in the market, or to enable other ordinary technicians in the technical field to understand the disclosed embodiments of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A milling machine for separating battery modules, characterized in that: A cutting device is included, wherein the cutting device comprises: Workbench; A milling cutter, the milling cutter being configured to move relative to the workbench along an X-axis, a Y-axis, and a Z-axis through a displacement assembly; a flap assembly, the flap assembly comprising a flap hinged on the workbench, the flap being configured to rotate relative to the workbench between a supporting position and a flipping position; When located at the supporting position, the battery module is configured to be partially supported on the flap and partially supported on the workbench; the milling cutter is configured to cut the battery module supported on the flap and the workbench into at least a first part located on the flap and a second part located on the workbench; When in the flip position, the flap is configured to drive the first part to separate from the second part so as to separate the battery cells bonded together in the battery module.

2. The milling machine for separating battery modules according to claim 1, characterized in that: The dividing line between the first part and the second part is configured to extend along the X-axis direction; the side of the flip plate away from the user operation area is constructed to be hinged on the workbench, and the rotation axis of the flip plate extends along the X-axis direction.

3. The milling machine for separating battery modules according to claim 2, characterized in that: The workbench is provided with an opening matched with the flap; when located at the supporting position, the flap is configured to be located in the opening, and the upper end surface of the flap is configured to be flush with the upper end surface of the workbench.

4. The milling machine for separating battery modules according to claim 2, characterized in that: The flap at the supporting position is configured to rotate downward along the hinge axis to a flipping position; the second part is configured to be fixed on the workbench; the first part is configured to be fixed on the flap and configured to rotate downward with the flap to separate from the second part.

5. The milling machine for separating battery modules according to claim 4, characterized in that: A blocking member is fixedly arranged on the workbench, and the blocking member is configured to be at least partially located above the flap to limit the freedom of the flap to rotate upward.

6. The milling machine for separating battery modules according to claim 4, characterized in that: The cutting device also includes a first pressing plate detachably connected to the flap and the workbench; the first pressing plate is configured to press the first part to fix the first part on the flap, and is configured to press the second part to fix the second part on the workbench.

7. The milling machine for separating battery modules according to claim 6, characterized in that: The milling cutter is configured to cross-divide the battery module into a first part, a second part, a third part, and a fourth part; the first part and the third part are configured to be located on the flap; the second part and the fourth part are configured to be located on the workbench; The first pressing plate is configured to press the first part onto the flap, and is configured to press the second part onto the workbench; the first part is configured to rotate downward following the flap to separate from the second part and the third part.

8. The milling machine for separating battery modules according to claim 4, characterized in that: The flap assembly also includes a pressure bar detachably connected to the flap; one end of the pressure bar is configured to be installed under the flap, and the other end is constructed to be suitable for holding so as to drive the flap to move through the pressure bar.

9. The milling machine for separating battery modules according to claim 1, characterized in that: The flap assembly further includes a locking mechanism, the locking mechanism including a movable portion movably connected to the workbench, and a fixed portion fixedly connected to the flap; the movable portion is configured to move between a locking position and a release position relative to the workbench; When in the locking position, the movable portion is configured to cooperate with the fixed portion to fix the flap in the supporting position; When located at the release position, the movable portion is configured to be separated from the fixed portion so that the flap can be rotated to the flip position.

10. The milling machine for separating battery modules according to claim 9, characterized in that: The movable part includes a rotating shaft rotatably connected to the workbench, and a protruding piece arranged on the rotating shaft; the protruding piece is configured to move relative to the workbench under the drive of the rotating shaft; When in the locking position, the protruding member is configured to abut against the lower end surface of the fixing portion to provide an upward supporting force; When located at the release position, the protruding member is configured to be separated from the fixing portion.

11. The milling machine for separating battery modules according to claim 1, characterized in that: A plurality of positioning blocks are arranged on the workbench, and the plurality of positioning blocks are constructed to be distributed at intervals on both sides of the battery module at least along the Y-axis direction, and are constructed to at least fit with the vertical surface of the battery module extending along the X-axis direction; wherein, the plurality of positioning blocks located on the same side of the battery module are constructed to be distributed at intervals along the X-axis direction; and the plurality of positioning blocks located on one side of the battery module are constructed to be arranged on the flap.

12. The milling machine for separating battery modules according to claim 1, characterized in that: The displacement assembly comprises: A Y-axis displacement mechanism, the Y-axis displacement mechanism being configured to be disposed on the workbench; An X-axis displacement mechanism, wherein the X-axis displacement mechanism is configured to be movably connected to the Y-axis displacement mechanism; A Z-axis displacement mechanism, wherein the Z-axis displacement mechanism is constructed to be movably connected to the X-axis displacement mechanism; the milling cutter is constructed to move in the Z-axis direction through the Z-axis displacement mechanism, and is constructed to move in the X-axis direction under the driving action of the Z-axis displacement mechanism, and is constructed to move in the Y-axis direction under the driving action of the X-axis displacement mechanism.

13. The milling machine for separating battery modules according to claim 1, characterized in that: It also includes a winding device, which includes a winding table and a winding assembly arranged on the winding table; the winding table is constructed to carry a battery module, and the winding assembly is constructed to wind the insulating sheet of the battery module located on the winding table during movement relative to the winding table.

14. The milling machine for separating battery modules according to claim 1, characterized in that: The cutting device further comprises a numerical control unit, which is configured to at least control a cutting starting point, a cutting path, a cutting speed and a cutting depth of the milling cutter.

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