Battery cutting device

Abstract

The utility model discloses a battery cutting device, which relates to the technical field of battery cutting and comprises a positioning component and a cutting component, and the positioning component is provided with a positioning groove for fixing a battery. The cutting assembly comprises a plurality of cutting pieces arranged in the circumferential direction of the positioning groove, each cutting piece comprises a fixing block and a blade which are connected, the fixing block is provided with a circular groove, the blade is provided with an arc-shaped cutting edge, and the cutting edge is consistent with the circular groove in radian and extends out of the circular groove. The positioning groove can be used for fixing a to-be-cut battery, and then the multiple cutting pieces are driven to move towards the battery, so that the multiple blades press and cut the outer wall of the battery until the fixing blocks of the multiple cutting pieces are attached, and cutting of the battery is completed. The specific cutting depth of the battery can be set by controlling the size of the part, extending out of the circular groove, of the blade, the cutting device is simple in structure, and the cutting depth of the battery can be accurately controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery cutting technical field, concretely relates to a battery cutting device. BACKGROUND

[0002] With the wide application of electric vehicles and energy storage equipment, the environmental protection recycling demand of power batteries is increasing. The cylindrical battery is relatively complex in disassembly process and has safety hazards due to its sealing structure and multi-layer material design. The traditional disassembly method is easy to cause battery leakage and fire risk, and cannot realize efficient and lossless recycling. The introduction of machine breaking and cutting technology can ensure the complete decomposition of the battery through accurate positioning and stable cutting, provide a basis for subsequent material sorting and resource regeneration, and solve the problems of high energy consumption and low recovery rate in the traditional process.

[0003] The prior art with publication number CN211164227U discloses a battery cutting device, which comprises a cutting box, a feeding port is arranged on the top outer wall of the cutting box, a feeding hopper is arranged on the inner wall of the feeding port, an installation port is opened on the outer wall of one side of the cutting box, a movable frame is connected to the inner wall of the installation port in a sliding manner, a second motor is connected to the outer wall of one side of the movable frame through bolts, the number of the second motors is two, a rotating shaft is arranged at one end of the output column of the second motor, and cutting wheels are arranged at equal distances on the outer wall of the rotating shaft, a material taking port is opened on the outer wall of one side of the cutting box, a partition plate is arranged on the inner wall of the cutting box, a plurality of fixing ports are opened on the outer wall of the bottom of the partition plate, a filter screen is connected to the inner wall of the fixing port through bolts, and a handle is welded to the outer wall of one side of the movable frame.

[0004] However, the existing battery cutting device still has defects, for example, it is through controlling the convex rod to move up and down constantly, so that the battery shell on the partition plate is turned over, and then the battery is cut by cooperating with the cutting wheel. Not only the structure is complex, but also the cutting depth of the battery cannot be accurately controlled. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the above technical deficiencies, and provides a battery cutting device, which solves the technical problem that the battery cutting device in the prior art is through controlling the convex rod to move up and down constantly, so that the battery shell on the partition plate is turned over, and then the battery is cut by cooperating with the cutting wheel. Not only the structure is complex, but also the cutting depth of the battery cannot be accurately controlled.

[0006] In order to achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a battery cutting device, which comprises:

[0008] A positioning assembly has a positioning groove for fixing the battery; and

[0009] The cutting assembly comprises a plurality of cutting members arranged circumferentially along the positioning groove, each cutting member comprising a fixed block and a blade connected to the fixed block, the fixed block being provided with a circular groove, the center axis of the circular groove formed by the plurality of circular grooves being collinear with the center axis of the positioning groove, and the blade having a circular-arc-shaped blade edge, the curvature of the blade edge being consistent with the curvature of the circular groove and extending into the circular groove.

[0010] In some embodiments, the fixed block comprises a first body and a second body, each of the first body and the second body being provided with an arc-shaped notch of consistent shape to form the circular groove, and the blade being located between the first body and the second body, the blade edge of the blade extending out of the circular groove formed by the arc-shaped notch.

[0011] In some embodiments, the blade is detachably connected to the first body and the second body by screws.

[0012] In some embodiments, the blade is provided with a plurality of mounting holes in the radial direction of the positioning groove, any of the mounting holes being capable of being threaded by the screws and mounting the blade, and the size of the blade edge extending out of the circular groove being different when the screws are connected to different mounting holes.

[0013] In some embodiments, the battery cutting device further comprises a driving assembly, the driving assembly comprising a plurality of sliding rails arranged circumferentially along the positioning groove, the plurality of sliding rails being correspondingly connected to the plurality of fixed blocks, and the plurality of fixed blocks being capable of moving towards each other when sliding to drive the plurality of blades to simultaneously cut the circumferential side of the battery.

[0014] In some embodiments, the driving assembly further comprises a plurality of air cylinders, the plurality of air cylinders being correspondingly connected to the plurality of fixed blocks, and each air cylinder being capable of driving the corresponding fixed block to reciprocally slide along the sliding rail.

[0015] In some embodiments, the positioning assembly comprises a base and a plurality of positioning members, the plurality of positioning members being arranged around the circumferential side of the base, the positioning groove being formed between the plurality of positioning members, and each positioning member being slidingly connected to the base along the radial direction of the base.

[0016] In some embodiments, each of the plurality of positioning members is provided with an arc surface on the side moving towards each other, the curvature of the arc surface being consistent with the curvature of the surface of the battery to be fixed.

[0017] In some embodiments, the battery cutting device further comprises a rotating motor, the rotating motor being connected to the base and capable of driving the base to rotate.

[0018] In some embodiments, the battery cutting device further comprises a lifting motor, the lifting motor being connected to the base and capable of driving the base to lift.

[0019] Compared with the prior art, the battery cutting device has the positioning groove for fixing the battery to be cut, and then drives the plurality of cutting pieces to move towards the battery, so that the plurality of blades are pressed and cut the outer wall of the battery until the fixing blocks of the plurality of cutting pieces are attached, and the cutting of the battery is completed. The specific cutting depth of the battery can be set by controlling the size of the blade extending in the circular groove. The cutting device of the application not only has a simple structure, but also can accurately control the cutting depth of the battery. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the battery cutting device provided by the embodiment of the utility model when cutting a battery;

[0021] Figure 2 is a structural schematic view of the cutting piece provided by the embodiment of the utility model;

[0022] Figure 3 is a structural schematic view of the blade inside the cutting piece provided by the embodiment of the utility model;

[0023] Figure 4 is a structural schematic view of the positioning assembly provided by the embodiment of the utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0025] In order to solve the technical problem that the battery cutting device in the prior art controls the convex rod to move up and down constantly, so that the battery shell on the partition plate is turned over, and then the cutting wheel is matched to cut the battery, which not only has a complex structure, but also cannot accurately control the cutting depth of the battery, the utility model provides a battery cutting device, which can simplify the structure of the battery cutting device and accurately control the cutting depth of the battery.

[0026] It should be noted that the battery cutting device described in the utility model is used for but not limited to cutting batteries and the like. In order to facilitate the description, in the utility model, only the battery cutting device applied to cutting batteries is taken as an example for description, and the principle of the battery cutting device applied to other types of equipment is substantially the same as that applied to cutting batteries, which will not be described one by one.

[0027] Please refer to Figure 1 , Figure 1The utility model discloses a structure diagram of battery cutting device in one embodiment, and the battery cutting device includes positioning assembly 1 and cutting assembly 2, and positioning assembly 1 has the positioning groove 11 for fixing battery. Cutting assembly 2 includes multiple cutting pieces 21 along the circumferential setting of positioning groove 11, and cutting piece 21 includes fixed block 211 and blade 212 connected, and fixed block 211 is provided with round groove 213, and multiple cutting pieces 21 have multiple round grooves 213, when multiple cutting pieces 21 are connected together, multiple round grooves 213 can form a circle, and the central axis of the circle is collinear with the central axis of positioning groove 11, so that positioning groove 11 is fixed after fixing battery, and multiple cutting pieces 21 cut battery to the position, can cut the even of the circumferential side of battery, and the cutting depth of the circumferential side of battery is consistent. Blade 212 has arc blade 214, and the radian of arc blade 214 is consistent with the radian of round groove 213 and extends from round groove 213, and the diameter of the circle of arc blade 214 is less than the diameter of the circle of round groove 213. In the embodiment, positioning groove 11 is used for fixing the battery 3 to be cut, so the shape of positioning groove 11 is cylindrical. Fixed block 211 is used for connecting blade 212 and driving blade 212 to move to cut battery 3. The angle of round groove 213 of fixed block 211 can be determined according to the number of fixed block 211, and multiple fixed blocks 211 can completely wrap the circumferential outer wall of battery 3 when moving close to each other until contacting each other, and multiple blades 212 can complete circumferential cutting of battery 3 at this time, without secondary cutting, and the cutting efficiency is high.

[0028] In one embodiment, please refer to Figure 2 Fixed block 211 includes first body 215 and second body 216, and first body 215 and second body 216 are provided with arc-shaped notches of consistent shape to form round groove 213, and blade 212 is located between first body 215 and second body 216, and arc blade 214 of blade 212 extends from the round groove 213 formed by the arc-shaped notches. In the embodiment, cutting piece 21 is a sandwich-like structure formed by two bodies and intermediate layer blade 212, so that blade 212 is installed stably.

[0029] In one embodiment, please refer to Figure 2 Blade 212 is detachably connected with first body 215 and second body 216 by screws. In the embodiment, blade 212 is detachably connected with first body 215 and second body 216 by screws, so that blade 212 is convenient to disassemble and replace. In other embodiments, blade 212 can also be connected with first body 215 and second body 216 by welding.

[0030] Further, please refer to Figure 3, the blade 212 is provided with a plurality of mounting holes 217 along the radial direction of the positioning groove 11, any mounting hole 217 can be threaded by a screw and mounted to the blade 212, when the screw is connected with different mounting holes 217, the size of the blade 214 extending out of the circular groove 213 is different. In this embodiment, the blade 212 can slide when not locked by the screw, to adjust the size of the blade 212 extending out of the circular groove 213, so as to adjust the depth of the blade 212 cutting the battery 3. It should be emphasized that each time the blade 212 cuts the battery 3, the position of the blade 212 in the circular groove 213 is entirely inside the battery 3, so the size of the blade 212 in the circular groove 213 can be adjusted according to the depth of the battery 3 to be cut, in order to accurately control the cutting depth of the battery 3. In addition, the number of mounting holes 217 on the blade 212 is not limited, for example, it can be two, three or more than three, the more the number of mounting holes 217, the more the selectivity of the blade 212 can be adjusted, which can adapt to multiple different cutting depths.

[0031] In one embodiment, the battery cutting device further comprises a driving assembly, the driving assembly comprises a plurality of sliding rails arranged circumferentially along the positioning groove 11, which can also be understood as a plurality of sliding rails arranged radially along the positioning groove 11, the radial direction is the diameter direction of the cross-sectional circle of the positioning groove 11, the plurality of sliding rails are located in the cross-sectional circle and extend through the center of the cross-sectional circle. The plurality of sliding rails correspondingly slide connect the plurality of fixed blocks 211, the plurality of fixed blocks 211 can move closer to each other when sliding, to drive the plurality of blades 212 to cut the circumference of the battery 3 at the same time, when the plurality of blades 212 cut to the limit position, the plurality of blades 212 can cut the circumference of the battery 3 all around. The sliding rails provided in this embodiment are mainly used for guiding the blade 212, so that the fixed block 211 can drive the blade 212 to move linearly along the extension direction of the sliding rail when sliding, to complete stable cutting of the battery 3.

[0032] In one embodiment, the driving assembly further comprises a plurality of air cylinders (not shown in the figure), the plurality of air cylinders correspondingly connect the plurality of fixed blocks 211, each air cylinder can drive the corresponding fixed block 211 to reciprocate along the sliding rail. In this embodiment, the air cylinder is provided as the power source for driving the fixed block 211 to reciprocate, which is also the power source for controlling the blade 212 to cut the battery 3. In other embodiments, a lead screw can be used to thread the fixed block 211, and a servo motor can be used to drive the lead screw to rotate and drive the fixed block 211 to reciprocate.

[0033] In one embodiment, please refer to Figure 4The positioning assembly comprises a base 12 and a plurality of positioning members 13, the plurality of positioning members 13 are arranged around the periphery of the base 12, the positioning slots 11 are formed between the plurality of positioning members 13, and each positioning member 13 is slidably connected to the base 12 along the radial direction of the base 12. In the embodiment, the base 12 is in a cylindrical shape, a plurality of sliding grooves 121 are formed in the base 12 along the circumferential direction of the base 12, and the plurality of sliding grooves 121 are arranged along the radial direction of the base 12, that is, the extension direction of each sliding groove 121 passes through the center of the base 12. The center axis of the base 12 coincides with the center axis of the positioning slots 11. The plurality of positioning members 13 can move towards or away from the center axis of the base 12 along the respective sliding grooves 121, so as to fix or unlock the battery 3 in the positioning slots 11. In addition, the plurality of positioning members 13 can change the space size of the positioning slots 11 during reciprocating sliding, so that the plurality of positioning members 13 can fix the batteries 3 with different diameters, which is beneficial to improve the compatibility of fixing the batteries 3.

[0034] The positioning assembly further comprises a plurality of motors 14, the number of the motors 14 is consistent with the number of the positioning members 13, and the motors 14 are arranged correspondingly to the positioning members 13, each motor 14 is connected to a corresponding positioning member 13 and is used to drive the corresponding positioning member 13 to reciprocate along the sliding groove 121. The plurality of motors 14 can simultaneously drive the plurality of positioning members 13 to slide, so that the plurality of positioning members 13 abut against the battery 3 in the positioning slot 11.

[0035] In one of the embodiments, as shown in Figure 4 The side of the plurality of positioning members 13 that approaches each other is provided with an arc surface 131, and the curvature of the arc surface 131 is consistent with the curvature of the surface of the battery 3 to be fixed. In the embodiment, the plurality of arc surfaces of the plurality of positioning members 13 can completely fit the surface of the battery 3, so as to stably fix the battery 3.

[0036] In one of the embodiments, the battery cutting device further comprises a rotating motor (not shown in the figure), the rotating motor is connected to the base 12 and can drive the base 12 to rotate. In the embodiment, the rotating motor can drive the base 12 to rotate, so that the battery 3 can rotate while being cut by the blade 212, the battery 3 can be cut faster, and the cutting efficiency is improved.

[0037] In one of the embodiments, the battery cutting device further comprises a lifting motor (not shown in the figure), the lifting motor is connected to the base 12 and can drive the base 12 to lift. In the embodiment, the height position of the battery 3 can be adjusted by arranging the lifting motor, so as to adjust the cutting position of the battery 3.

[0038] In order to better understand the present application, the following will be described in combination with Figures 1 to 4 The technical scheme of the present application will be described in detail:

[0039] The battery cutting device has the positioning groove 11 which can be used for fixing the battery 3 to be cut, and then driving the plurality of cutting pieces 21 to move towards the battery 3, so that the plurality of blades 212 press and cut the outer wall of the battery 3, until the fixing blocks 211 of the plurality of cutting pieces 21 are attached, and the cutting of the battery 3 is completed. The specific cutting depth of the battery 3 can be set by controlling the size of the blade 212 extending in the circular groove 213, and the cutting device of the application not only has a simple structure, but also can accurately control the cutting depth of the battery 3.

[0040] The specific implementation mode of the utility model above does not constitute the limitation of the protection scope of the utility model. Any various other corresponding changes and deformations made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A battery cutting device, characterized by, The application relates to a battery cutting device. The battery cutting device comprises a positioning assembly and a cutting assembly. The positioning assembly comprises a positioning groove for fixing a battery. The cutting assembly comprises a plurality of cutting pieces arranged along the positioning groove.

2. The battery cutting device of claim 1, wherein, The cutting piece comprises a fixing block and a blade.

3. The battery cutting device of claim 2, wherein, The fixing block is provided with a circular groove.

4. The battery cutting device of claim 3, wherein, The blade has a circular-arc-shaped blade edge.

5. The battery cutting device of claim 1, wherein, The fixing block comprises a first body and a second body.

6. The battery cutting device of claim 5, wherein, The first body and the second body are provided with arc-shaped notches.

7. The battery cutting device of claim 1, wherein, The blade is arranged between the first body and the second body.

8. The battery cutting device of claim 7, wherein, The blade edge of the blade extends out of the circular groove formed by the arc-shaped notches.

9. The battery cutting device of claim 7, wherein, The blade is detachably connected to the first body and the second body by screws.

10. The battery cutting device of claim 7, wherein, The blade is provided with a plurality of mounting holes in the radial direction of the positioning groove. Any mounting hole can be penetrated by the screw and used for mounting the blade. When the screw is connected to different mounting holes, the size of the blade edge extending out of the circular groove is different. The battery cutting device further comprises a driving assembly. The driving assembly comprises a plurality of sliding rails arranged along the positioning groove. The plurality of sliding rails are correspondingly connected to the plurality of fixing blocks. When the plurality of fixing blocks slide, they can move towards each other to drive the plurality of blades to simultaneously cut the circumferential side of the battery. The driving assembly further comprises a plurality of air cylinders. The plurality of air cylinders are correspondingly connected to the plurality of fixing blocks. Each air cylinder can drive the corresponding fixing block to reciprocally slide along the sliding rail. The positioning assembly comprises a base and a plurality of positioning pieces. The plurality of positioning pieces are arranged around the circumferential side of the base. The plurality of positioning pieces form the positioning groove. Each positioning piece is slidably connected to the base along the radial direction of the base. The side of the plurality of positioning pieces moving towards each other is provided with an arc surface. The arc surface has the same curvature as the surface of the battery to be fixed. The battery cutting device further comprises a rotating motor. The rotating motor is connected to the base and can drive the base to rotate. The battery cutting device further comprises a lifting motor. The lifting motor is connected to the base and can drive the base to lift.

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