A battery blue film removal device

Abstract

The present invention belongs to the technical field of battery manufacturing, and discloses a battery blue film removal device, which includes a fixture installation device, a first blue film removal device, a second blue film removal device, and a station conversion device. The first blue film removal device is located downstream of the fixture installation device, the second blue film removal device is located downstream of the first blue film removal device, and the station conversion device is located between the first blue film removal device and the second blue film removal device. The fixture installation device first buckles the battery positive and negative electrode protection device on the positive and negative end faces of the battery, then the first blue film removal device sprays high-pressure water on the first group of end faces of the battery to remove the blue film on the first group of end faces of the battery. After that, the station conversion device transports the battery from the station of the first blue film removal device to the station of the second blue film removal device. Finally, the second blue film removal device sprays high-pressure water on the second group of end faces of the battery to remove the blue film on the second group of end faces of the battery, which can automatically remove the blue film on the side wall of the battery and improve the production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of battery manufacturing, and particularly to a battery blue film removal device. Background Art

[0002] The blue film, also known as the isolation film, anti-adhesive film, protective film, etc., has various colors such as red, green, blue, white, black, etc., and is divided into single-sided release film and double-sided release film. The one commonly used in power batteries is usually the blue film. As an insulating material, the blue film separates the battery cells from each other, blocking the impact of a single cell on other cells due to various failures and preventing "one loss leading to all losses". When assembling lithium battery cells, the blue film needs to be removed, and currently it is generally completed manually, resulting in low production efficiency and high costs.

[0003] Based on the above situation, it is urgent for us to design a battery blue film removal device to solve the above problems. Summary of the Invention

[0004] An object of the present invention is to provide a battery blue film removal device that can automatically remove the blue film on the side walls of the battery, improving production efficiency.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] A battery blue film removal device includes:

[0007] A fixture installation device for buckling a battery positive and negative electrode protection device on the positive and negative end faces of the battery;

[0008] A first blue film removal device located downstream of the fixture installation device, which can spray high-pressure water on the first group of end faces of the battery to remove the blue film on the first group of end faces of the battery;

[0009] A second blue film removal device located downstream of the first blue film removal device, which can spray high-pressure water on the second group of end faces of the battery to remove the blue film on the second group of end faces of the battery;

[0010] A station conversion device located between the first blue film removal device and the second blue film removal device, which can transport the battery from the station of the first blue film removal device to the station of the second blue film removal device.

[0011] As a preferred solution, the fixture installation device includes:

[0012] A buckling mechanism for buckling the battery positive and negative electrode protection device on the positive and negative end faces of the battery;

[0013] The rolling clamping mechanism comprises a first driving member, a swing rod, and a first clamping roller. A plurality of the first clamping rollers are rotatably connected to the swing rod. The swing rod is connected to the output end of the first driving member. When the buckling mechanism buckles the battery positive and negative electrode protection device, the first driving member can drive the swing rod to carry the first clamping roller to press the battery positive and negative electrode protection device against the battery.

[0014] The first conveying mechanism is capable of conveying the battery along a station close to the first blue film removing device.

[0015] As a preferred solution, the rolling pressing mechanism further includes:

[0016] a first mounting frame, wherein the first driving member is mounted on the first mounting frame;

[0017] A rotating shaft is installed on the first mounting frame and is rotatable around the length direction of the battery and is transmission-connected to the output end of the first driving member. A plurality of rocker arms are fixed on the rotating shaft. The first driving member can drive the rotating shaft to rotate so as to swing the rocker arms and the first clamping roller in a direction close to or away from the first conveying mechanism.

[0018] As a preferred solution, the first blue film removing device comprises:

[0019] The second conveying mechanism comprises a second driving member, a second pressing roller and a bottom supporting roller, wherein the second pressing roller is arranged in parallel with the first pressing roller and the two are installed at the same height along the height direction of the battery, a plurality of the second pressing rollers and a plurality of the bottom supporting rollers are arranged along the length direction of the battery and are all arranged to rotate around the width direction of the battery, and all the bottom supporting rollers are located below all the second pressing rollers, and at least one of the second pressing roller and the bottom supporting roller is transmission-connected to the output end of the second driving member, and the second conveying mechanism is provided with a first cleaning station and a first drying station, and when the first conveying mechanism conveys the battery between the second pressing roller and the bottom supporting roller, the second pressing roller and the bottom supporting roller respectively clamp the upper end of the positive and negative electrode protection device of the battery and the lower end of the battery and convey the battery in the direction from the first cleaning station to the first drying station;

[0020] A first high-pressure water gun cleaning mechanism, installed at the first cleaning station, the first high-pressure water gun cleaning mechanism can clean the blue film on the first group of end faces of the battery;

[0021] The first drying mechanism is installed at the first drying station, and the first drying mechanism can dry the cleaned battery.

[0022] As a preferred solution, the station conversion device includes:

[0023] A robotic arm;

[0024] A third driving member installed at the execution end of the robotic arm;

[0025] A supporting plate installed at the execution end of the robotic arm;

[0026] A pressing plate connected to the output end of the third driving member. The third driving member can drive the pressing plate to move in a direction close to the supporting plate to clamp the positive and negative electrode protection device of the battery and the battery, and press the positive and negative electrode protection device of the battery against the battery. The robotic arm can drive the supporting plate and the pressing plate to move the positive and negative electrode protection device of the battery and the battery to the station of the second blue film removing device.

[0027] As a preferred solution, the second blue film removing device includes:

[0028] A third conveying mechanism, including a fourth driving member, a fifth driving member, a top pressing synchronous belt and a bottom supporting synchronous belt. The top pressing synchronous belt and the bottom supporting synchronous belt extend along the width direction of the battery and are wound around the length direction of the battery. The bottom supporting synchronous belt is located below the top pressing synchronous belt. The top pressing synchronous belt is drivingly connected to the output end of the fourth driving member, and the bottom supporting synchronous belt is drivingly connected to the output end of the fifth driving member. The third conveying mechanism is provided with a second cleaning station and a second drying station. The top pressing synchronous belt and the bottom supporting synchronous belt respectively clamp the upper end of the positive and negative electrode protection device of the battery and the lower end of the battery and convey the battery in the direction from the second cleaning station to the second drying station;

[0029] A second high-pressure water gun cleaning mechanism installed at the second cleaning station. The high-pressure water gun cleaning mechanism can clean the blue film on the second set of end faces of the battery;

[0030] A second drying mechanism installed at the second drying station. The second drying mechanism can dry the cleaned battery.

[0031] As a preferred solution, both the top pressing synchronous belt and the bottom supporting synchronous belt are provided with two. The two top pressing synchronous belts are arranged in parallel and at intervals, and the two bottom supporting synchronous belts are arranged in parallel and at intervals. The supporting plate and the pressing plate can pass through the gaps between the two top pressing synchronous belts and the gaps between the two bottom supporting synchronous belts.

[0032] As a preferred solution, the battery blue film removal device further includes a jig disassembly device, which is installed between the second high-pressure water gun cleaning mechanism and the second drying mechanism, and the jig disassembly device can remove the battery positive and negative protection device from the battery.

[0033] As a preferred solution, the third conveying mechanism further includes a support frame, an elastic connection assembly and a second mounting frame. The top pressing synchronous belt is installed on the second mounting frame, and the second mounting frame is connected to the support frame through the elastic connection assembly. The elastic connection assembly can drive the second mounting frame to flexibly press the battery positive and negative protection device with the top pressing synchronous belt.

[0034] As a preferred solution, the battery blue film removal device further includes a loading device and an unloading device. The loading device is used to provide the battery with the blue film to be removed and is installed at the feeding end of the jig mounting device. The unloading device is used to output the battery after the blue film is removed and is installed at the discharging end of the second blue film removal device. The loading device and the unloading device are arranged in parallel, and the feeding end of the loading device is aligned with the discharging end of the unloading device.

[0035] The beneficial effects of the present invention are as follows: A battery blue film removal device is provided. When removing the blue film on the side wall of the battery, the jig mounting device first buckles the battery positive and negative protection device on the positive and negative end faces of the battery, and then the first blue film removal device sprays high-pressure water on the first group of end faces of the battery to remove the blue film on the first group of end faces of the battery. Then, the station conversion device transports the battery from the station of the first blue film removal device to the station of the second blue film removal device. Finally, the second blue film removal device sprays high-pressure water on the second group of end faces of the battery to remove the blue film on the second group of end faces of the battery, so that the blue film on the side wall of the battery can be automatically removed, improving the production efficiency. Description of the Drawings

[0036] The present invention will be further described in detail below with reference to the drawings and embodiments.

[0037] Figure 1 It is a schematic structural diagram of the battery blue film removal device;

[0038] Figure 2 It is a schematic structural diagram of the jig mounting device (disassembly and buckling mechanism);

[0039] Figure 3 It is a schematic structural diagram of the first blue film removal device;

[0040] Figure 4 It is a schematic structural diagram of the second conveying mechanism;

[0041] Figure 5 It is a partial cross-sectional view at the second conveying mechanism;

[0042] Figure 6 Schematic diagram of the structure at the first cleaning station of the second conveying mechanism;

[0043] Figure 7 Cross-sectional view of the first high-pressure water gun assembly;

[0044] Figure 8 Schematic diagram of the structure of the station conversion device;

[0045] Figure 9 First perspective view of the second blue film removal device;

[0046] Figure 10 Second perspective view of the second blue film removal device;

[0047] Figure 11 Schematic diagram of the structure of the third conveying mechanism on the side of the top pressing synchronous belt;

[0048] Figure 12 Cross-sectional view of the third conveying mechanism at the elastic connection assembly;

[0049] Figure 13 Cross-sectional view of the third conveying mechanism at the height adjustment assembly.

[0050] Figures 1 to 13 In:

[0051] 1. Fixture installation device; 11. Buckling mechanism; 12. Rolling pressing mechanism; 121. First driving part; 122. Swing rod; 123. First pressing roller; 124. First mounting bracket; 125. Rotating shaft; 13. First conveying mechanism;

[0052] 2. First blue film removal device; 21. Second conveying mechanism; 211. Second driving part; 212. Second pressing roller; 213. Bottom support roller; 22. First high-pressure water gun cleaning mechanism; 221. First high-pressure water gun assembly; 2211. Sixth driving part; 2212. Spray rod; 22121. Nozzle; 2213. Rotating sleeve; 2214. Driven wheel; 2215. Driving wheel; 2216. Clamp; 2217. Bearing; 2218. Support cylinder; 2219. Conductive rigid pipe; 222. Second high-pressure water gun assembly; 223. Third high-pressure water gun assembly; 23. First drying mechanism;

[0053] 3. Second blue film cleaning device; 31. Third conveying mechanism; 311. Fourth driving part; 312. Top pressing synchronous belt; 313. Bottom supporting synchronous belt; 314. Support frame; 3141. Fixed frame; 3142. Lifting frame; 315. Elastic connection component; 3151. Guide shaft; 3152. Limit ring; 3153. Elastic part; 3154. Linear bearing; 316. Second mounting bracket; 317. Height adjusting component; 3171. Handwheel; 3172. Screw rod; 3173. Snap ring; 3174. First bearing; 3175. Base; 32. Second high-pressure water gun cleaning mechanism; 321. Fourth high-pressure water gun assembly; 322. Fifth high-pressure water gun assembly; 33. Second drying mechanism;

[0054] 4. Workstation conversion device; 41. Robot arm; 42. Third driving part; 43. Supporting plate; 44. Pressing plate;

[0055] 5. Fixture disassembly device;

[0056] 61. Loading device; 62. Unloading device;

[0057] 7. Machine frame; 71. Water collecting cylinder; 72. Guide plate; 73. Third mounting bracket; 74. Fourth mounting bracket. Detailed implementation manners

[0058] To make the technical problems solved by the present invention, the technical solutions adopted and the achieved technical effects clearer, the technical solutions of the embodiments of the present invention will be further described in detail below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present invention.

[0059] In the description of the present invention, unless otherwise clearly defined and limited, the terms "connected", "connected" and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0060] In the present invention, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under" and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is lower than that of the second feature.

[0061] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific embodiments.

[0062] When removing the blue film on the side wall of the battery, first, a positive and negative electrode protection device for the battery should be buckled on the positive and negative electrode end faces of the battery. The positive and negative electrode protection device for the battery includes an insulating outer shell and an elastic inner layer. The insulating outer shell is provided with a receiving cavity, one side of the insulating outer shell is the opening of the receiving cavity, the elastic inner layer is connected to the insulating outer shell and is located in the receiving cavity, the elastic inner layer is disposed opposite to the opening of the receiving cavity, and the elastic inner layer is provided with avoidance grooves corresponding to the positive and negative electrodes of the battery on the side opposite to the opening of the receiving cavity. When using high-pressure water to remove the blue film of the battery, the insulating outer shell can be pressed against the end face of the battery to insulate and shield the positive and negative electrodes of the battery from the outside, thereby forming a primary protection for the positive and negative electrodes of the battery. The elastic inner layer elastically presses against the end face of the battery inside the insulating outer shell, and can seal the positive and negative electrodes of the battery to form a secondary protection. After buckling the positive and negative electrode protection device for the battery, the battery blue film removing device cleans the blue film on the side wall of the battery.

[0063] Such as Figure 1As shown in the figure, the battery blue film removal device includes a frame 7, a fixture mounting device 1, a first blue film removal device 2, a second blue film removal device 3, and a station conversion device 4. The fixture mounting device 1, the first blue film removal device 2, the station conversion device 4, and the second blue film removal device 3 are sequentially mounted on the frame 7. When removing the blue film on the sidewall of the battery, the fixture mounting device 1 first buckles the battery positive and negative electrode protection device on the positive and negative end faces of the battery, and then the first blue film removal device 2 can spray high-pressure water on the first group of end faces of the battery to remove the blue film on the first group of end faces of the battery. In this embodiment, the first group of end faces are the long side end faces of two opposite batteries. Then, the station conversion device 4 transports the battery with the blue film removed from the first group of end faces from the station of the first blue film removal device 2 to the station of the second blue film removal device 3, and transports the battery from being conveyed in the length direction to being conveyed in the width direction. Finally, the second blue film removal device 3 sprays high-pressure water on the second group of end faces of the battery to remove the blue film on the second group of end faces of the battery. In this embodiment, the second group of end faces are the narrow side end faces of two opposite batteries, so that the blue film on the sidewall of the battery can be automatically removed, improving the production efficiency. In other embodiments of the present invention, the blue film on the narrow side end faces of the battery can also be removed first, and then the blue film on the long side end faces of the battery can be removed.

[0064] As Figure 2As shown, specifically, the fixture installation device 1 includes a buckling mechanism 11, a rolling clamping mechanism 12 and a first conveying mechanism 13. The buckling mechanism 11 of this embodiment is a manipulator with a clamping claw connected to the end. The rolling clamping mechanism 12 includes a first driving member 121, a swing rod 122 and a first clamping roller 123. The first driving member 121 can be set as a pneumatic motor or a motor. The first driving member 121 of this embodiment is a motor. A plurality of first clamping rollers 123 are rotatably connected to the swing rod 122. Each swing rod 122 of this embodiment is connected to two first clamping rollers 123. The rocker arm 122 is connected to the first driving member 121. The first driving member 121 can enable the rocker arm 122 to rotate around the length direction of the battery with the first clamping roller 123 and press the positive and negative electrode protection devices of the battery against the battery. In this embodiment, rolling clamping mechanisms 12 are respectively installed on both sides of the first conveying mechanism 13, which can better clamp the positive and negative electrode protection devices of the battery. The first conveying mechanism 13 is a conveyor belt driven by a motor, which can convey the batteries to be cleared of blue film along the direction of the station of the loading device 61, the station of the jig installation device 1 to the station of the first blue film removing device 2. After the first conveying mechanism 13 conveys the battery to the work station of the jig installation device 1, the mounting mechanism 11 mounts the battery positive and negative electrode protection devices on the positive and negative end surfaces of the battery, and then the first driving member 121 drives the rocker arm 122 to rotate with the first clamping roller 123 around the length direction of the battery and presses the battery positive and negative electrode protection devices against the battery. At this time, the first conveying mechanism 13 still conveys the battery and the battery positive and negative electrode protection devices in the direction close to the work station of the first blue film removing device 2, and the first clamping roller 123 rolls on the upper end surfaces of the battery positive and negative electrode protection devices, which will not cause the battery positive and negative electrode protection devices to detach from the battery, thereby improving reliability.

[0065] As a preferred embodiment, the rolling clamping mechanism 12 further includes a first mounting frame 124 and a rotating shaft 125. The first mounting frame 124 is mounted on the frame 7. The first driving member 121 is mounted on the first mounting frame 124. The rotating shaft 125 is mounted on the first mounting frame 124 and is connected to the output end of the first driving member 121 by transmission. A plurality of swing rods 122 are fixed on the rotating shaft 125 in a direction perpendicular to the rotating shaft 125. The specific number of the swing rods 122 can be set according to actual needs. In this embodiment, four swing rods 122 are provided. It can be understood that one first driving member 121 in this embodiment can drive the rotating shaft 125 to rotate, thereby being able to swing the four swing rods 122 and the first clamping rollers 123 on the four swing rods 122, and the structure is more compact and the cost is lower.

[0066] like Figure 3 and Figure 4As shown, the first blue film removing device 2 includes a second conveying mechanism 21, a first high-pressure water gun cleaning mechanism 22 and a first drying mechanism 23. The second conveying mechanism 21 includes a second driving member 211, a second pressing roller 212 and a bottom supporting roller 213. The number of the second pressing roller 212 and the bottom supporting roller 213 can be set according to actual needs. In this embodiment, the multiple second pressing rollers 212 are arranged at intervals along the length direction of the battery, and the multiple second pressing rollers 212 are all rotatably connected to the frame 7 around the width direction of the battery. The multiple second pressing rollers 212 are also arranged along the length direction of the battery, and the multiple bottom supporting rollers 213 are all rotatably connected to the frame 7 around the width direction of the battery. The multiple bottom supporting rollers 213 are located below the multiple second pressing rollers 212. The second driving member 211 can be set to a motor or a pneumatic motor. In this embodiment, The second driving member 211 of the example is a motor, and at least one of the second pressing roller 212 and the bottom supporting roller 213 is transmission-connected to the output end of the motor. The motor of this embodiment is installed on the frame 7. Specifically, the frame 7 is rotatably connected with a rotating shaft 125, and each rotating shaft 125 is sleeved with a bottom supporting roller 213 and a synchronous wheel. All the synchronous wheels are wound with belts and connected to the output end of the motor through belt transmission, so that only one second driving member 211 is needed to drive all the bottom supporting rollers 213 to rotate, and the structure is compact. In addition, a first cleaning station is provided in the middle of the second conveying mechanism 21, and a first drying station is provided at the end of the second conveying mechanism 21. The first high-pressure water gun cleaning mechanism 22 is installed on the frame 7 and is located at the first cleaning station, and the first drying mechanism 23 is installed on the frame 7 and is located at the first drying station. After the first conveying mechanism 13 conveys the battery with the positive and negative protection device installed from the station of the jig installation device 1 to the station of the first blue film removing device 2, the second pressing roller 212 presses against the positive and negative protection device of the battery and presses and fixes the positive and negative protection device of the battery to the battery, and the bottom support roller 213 supports the lower end face of the battery. Multiple bottom support rollers 213 rotate and convey the battery to the first cleaning station. The first high-pressure water gun cleaning mechanism 22 can use high-pressure water to clean the blue film on the long side end face of the battery, and then the bottom support roller 213 continues to convey the cleaned battery to the first drying station. The first drying mechanism 23 can dry the cleaned battery. The first drying mechanism 23 of this embodiment is air-cooled drying, so that the blue film on the long side end face of the battery can be automatically removed, thereby improving production efficiency. It can also be understood that the first blue film removing device 2 of the present embodiment is used to remove the blue film on the long side end surfaces of the battery. It uses the second clamping roller 212 and the bottom support roller 213 to convey the battery, and exposes the long side end surfaces on both sides to the first high-pressure water gun cleaning mechanism 22 for cleaning at the cleaning station. This can convey the battery more smoothly and reduce the occurrence rate of failures in the production process.

[0067] Specifically, the frame 7 includes two third mounting brackets 73 that are parallel and spaced apart in the width direction of the battery. A water collecting cylinder 71 for collecting waste water is installed below the third mounting bracket 73, and the water collecting cylinder 71 is arranged relative to the gap between the two third mounting brackets 73.

[0068] The structures of the first high-pressure water gun assembly 221, the second high-pressure water gun assembly 222, and the third high-pressure water gun assembly 223 of the first blue film cleaning device 2 are the same as those of the fourth high-pressure water gun assembly 321 and the fifth high-pressure water gun assembly 322 of the second blue film cleaning device 3. Here, only the first high-pressure water gun cleaning mechanism 22 of the first blue film cleaning device 2 will be specifically described. As Figure 6 and Figure 7 shown, the first high-pressure water gun cleaning mechanism 22 includes a first high-pressure water gun assembly 221, a second high-pressure water gun assembly 222, and a third high-pressure water gun assembly 223. At the first cleaning station of the second conveying mechanism 21, fourth mounting brackets 74 are provided on both sides of the frame 7. The first high-pressure water gun assembly 221 and the second high-pressure water gun assembly 222 are respectively installed on the fourth mounting brackets 74 on both sides. The first high-pressure water gun assembly 221 and the second high-pressure water gun assembly 222 are respectively located on both sides of the first cleaning station. The frame 7 is provided with two guide plates 72 that extend along the length direction of the battery and are parallel to each other at the first cleaning station. The guide plates 72 guide and limit the battery at the cleaning station. Two spaced guide plates 72 are provided on each side of the frame 7. The nozzles 22121 of the first high-pressure water gun assembly 221 and the nozzles 22121 of the second high-pressure water gun assembly 222 respectively extend into the space between the two guide plates 72 on both sides. And at the cleaning station, there is a certain notch in the bottom support roller 213. The third high-pressure water gun assembly 223 is installed above the frame 7 and the nozzle 22121 of the third high-pressure water gun assembly 223 extends into the notch. At this time, the third high-pressure water gun assembly 223 is located below the first cleaning station. When the second conveying mechanism 21 conveys the battery to the first cleaning station, the first high-pressure water gun assembly 221 and the second high-pressure water gun assembly 222 can respectively spray high-pressure water on the blue films on the two long side end faces of the battery, and the third high-pressure water gun assembly 223 can spray high-pressure water on the blue film on the bottom surface of the battery, so that the blue films on three sides of the battery can be cleaned simultaneously, improving the production efficiency.

[0069] Specifically, the structures of the first high-pressure water gun assembly 221, the second high-pressure water gun assembly 222, and the third high-pressure water gun assembly 223 are the same. Here, the structure of the first high-pressure water gun assembly 221 will be specifically described. As Figure 7As shown, the first high-pressure water gun assembly 221 includes a sixth driving member 2211, a spray rod 2212, a rotating sleeve 2213, a driven wheel 2214, a driving wheel 2215, a clamp 2216, a bearing 2217, a support cylinder 2218 and a conduction hard tube 2219. One end of the spray rod 2212 is provided with a nozzle 22121 for performing the action of spraying high-pressure water. The other end of the spray rod 2212 is connected to the conduction hard tube 2219. The end of the conduction hard tube 2219 is rotatably connected to the rotating sleeve 2213. A safety hole is provided on the conduction hard tube 2219 to monitor the sealing performance of the first high-pressure water gun assembly 221. The rotating sleeve 2213 can be connected to an external high-pressure pump. The sixth driving member 2211 can be set as a motor or a pneumatic motor. In this embodiment, the sixth driving member 2211 is a motor, and the motor is installed on the fourth mounting bracket 74. The output end of the motor is drivingly connected to the driving wheel 2215. A driven wheel 2214 is sleeved on the spray rod 2212, and a clamp 2216 is sleeved on the driven wheel 2214. The clamp 2216 locks the driven wheel 2214 to the spray rod 2212. A belt is wound around the driving wheel 2215 and the driven wheel 2214. In addition, a support cylinder 2218 is also installed on the fourth mounting bracket 74. A bearing 2217 is embedded in the support cylinder 2218. The outer ring of the bearing 2217 abuts against the support cylinder 2218, and the spray rod 2212 passes through the inner ring of the bearing 2217. The sixth driving member 2211 drives the driving wheel 2215 to drive the driven wheel 2214 to rotate, and the driven wheel 2214 drives the spray rod 2212 to rotate. The high-pressure pump provides high-pressure water through the rotating sleeve 2213, and then the high-pressure water is sprayed from the nozzle 22121 to the blue film of the battery through the conduction hard tube 2219 and the spray rod 2212. The rotatable spray rod 2212 can clean the blue film on the side wall of the battery more evenly and efficiently.

[0070] As Figure 8As shown, a rolling pressing mechanism 12 is also installed downstream of the first drying mechanism 23 of the first blue film removing device 2. The station conversion device 4 includes a robotic arm 41, a third driving member 42, a supporting plate 43, and a pressing plate 44. The robotic arm 41 is installed between the rolling pressing mechanism 12 and the second blue film removing device 3. The third driving member 42 can be set as a cylinder or an electric push rod. In this embodiment, the third driving member 42 is a cylinder. The third driving member 42 is installed at the execution end of the robotic arm 41. The supporting plate 43 is also fixed at the execution end of the robotic arm 41. The pressing plate 44 is connected to the output end of the third driving member 42. The third driving member 42 can drive the pressing plate 44 to move in the direction close to the supporting plate 43 and clamp the battery positive and negative protection device and the battery. After the first drying mechanism 23 dries the battery, the second conveying mechanism 21 conveys the battery with the blue film removed from the long side end face to the downstream rolling pressing mechanism 12. The rolling pressing mechanism 12 releases the pressing state of the battery positive and negative protection device. Then, the third driving member 42 drives the supporting plate 43 and the pressing plate 44 to clamp the battery positive and negative protection device and the battery, which can keep the battery positive and negative protection device pressing against the positive and negative end faces of the battery. Then, the robotic arm 41 can move the supporting plate 43 and the pressing plate 44 with the battery positive and negative protection device and the battery to the station of the second blue film removing device 3.

[0071] As Figure 9 and Figure 10 shown, the second blue film removing device 3 includes a third conveying mechanism 31, a second high-pressure water gun cleaning mechanism 32, and a second drying mechanism 33. The third conveying mechanism 31 includes a fourth driving member 311, a fifth driving member, a top pressing synchronous belt 312, and a bottom supporting synchronous belt 313. The top pressing synchronous belt 312 and the bottom supporting synchronous belt 313 both extend along the width direction of the battery and are wound around the rack 7 in the length direction of the battery. And the bottom supporting synchronous belt 313 is located below the top pressing synchronous belt 312. The fourth driving member 311 can be set as a motor or a pneumatic motor. In this embodiment, the fourth driving member 311 is a motor. The fifth driving member can also be set as a motor or a pneumatic motor. In this embodiment, the fifth driving member is a motor. The top pressing synchronous belt 312 is wound around a sprocket. The sprocket is rotatably connected to the rack 7 and is drivingly connected to the output end of the fourth driving member 311. The bottom supporting synchronous belt 313 is wound around a sprocket. The sprocket is rotatably connected to the rack 7 and is drivingly connected to the output end of the fifth driving member. In addition, a second cleaning station is arranged in the middle of the third conveying mechanism 31, and a second drying station is arranged at the end. The second high-pressure water gun cleaning mechanism 32 is installed on the rack 7 and is located at the second cleaning station. Figure 1The second drying mechanism 33 therein can specifically be set as an air-drying mechanism or a heating and drying mechanism. The second drying mechanism 33 is installed on the frame 7 and is located at the second drying station. When removing the blue film on the narrow side end face of the battery, the top pressing synchronous belt 312 presses against the battery positive and negative protection device and tightly fixes the battery positive and negative protection device to the battery. The bottom supporting synchronous belt 313 supports the lower end face of the battery. The top pressing synchronous belt 312 and the bottom supporting synchronous belt 313 respectively clamp the upper and lower ends of the battery and convey the battery to the second cleaning station. The second high-pressure water gun cleaning mechanism 32 can use high-pressure water to clean the blue film on the long side end face of the battery. Then, the third conveying mechanism 31 continues to convey the cleaned battery to the second drying station. The second drying mechanism 33 can dry the cleaned battery, thereby enabling the automatic removal of the blue film on the narrow side end face of the battery and improving the production efficiency. In addition, the second blue film removal device 3 of this embodiment is for removing the blue film on the narrow side of the battery. By using the top pressing synchronous belt 312 and the bottom supporting synchronous belt 313 to convey the battery, continuously pressing and conveying the battery can avoid the battery from tipping over during the conveying process and reduce the failure rate during the production process.

[0072] Specifically, the second high-pressure water gun cleaning mechanism 32 includes a fourth high-pressure water gun assembly 321 and a fifth high-pressure water gun assembly 322. The structures of the fourth high-pressure water gun assembly 321 and the fifth high-pressure water gun assembly 322 are basically the same as those of the first high-pressure water gun assembly 221, the second high-pressure water gun assembly 222, and the third high-pressure water gun assembly 223. At the second cleaning station of the third conveying mechanism 31, fourth mounting frames 74 are provided on both sides of the frame 7. The fourth high-pressure water gun assembly 321 and the fifth high-pressure water gun assembly 322 are respectively installed on the fourth mounting frames 74 on both sides. The fourth high-pressure water gun assembly 321 and the fifth high-pressure water gun assembly 322 are respectively located on both sides of the cleaning station. At the second cleaning station of the frame 7, two baffles are provided that extend along the width direction of the battery and are arranged in parallel. On each side of the frame 7, two spaced baffles are provided. The nozzles of the fourth high-pressure water gun assembly 321 and the fifth high-pressure water gun assembly 322 respectively extend into the space between the two baffles on both sides. When the third conveying mechanism 31 conveys the battery to the second cleaning station, the fourth high-pressure water gun assembly 321 and the fifth high-pressure water gun assembly 322 can respectively spray high-pressure water on the blue films on the two narrow side end faces of the battery.

[0073] As a preferred embodiment, both the top pressing synchronous belt 312 and the bottom supporting synchronous belt 313 are provided with two. The two top pressing synchronous belts 312 are arranged in parallel and at intervals, and the two bottom supporting synchronous belts 313 are arranged in parallel and at intervals. The gaps between the two top pressing synchronous belts 312 are arranged opposite to the gaps between the two bottom supporting synchronous belts 313. When the station conversion device 4 transports the battery from the station of the first blue film removing device 2 to the station of the second blue film removing device 3, the gaps between the two top pressing synchronous belts 312 and the gaps between the two bottom supporting synchronous belts 313 can provide an avoidance space for the robotic arm 41 to avoid collision.

[0074] As Figure 1 shown, the battery blue film removing device further includes a fixture dismounting device 5. The fixture dismounting device 5 is located between the second cleaning station and the second drying station. The fixture dismounting device 5 in this embodiment has the same structure as the buckling mechanism 11, except that the buckling mechanism 11 functions to buckle the battery positive and negative electrode protection device on the positive and negative end faces of the battery, while the fixture dismounting device 5 functions to dismount the blue film on the narrow side end face of the cleaned battery from the battery. Specifically, after the second water gun cleaning mechanism cleans the narrow side end face of the battery, the battery and the battery positive and negative electrode protection device are transported to the station of the fixture dismounting device 5, and then the fixture dismounting device 5 dismounts the battery positive and negative electrode protection device from the battery. Finally, the second drying mechanism 33 dries the battery.

[0075] As Figure 5 、 Figure 11 and Figure 12 shown, elastic connection components 315 are installed on both the second conveying mechanism 21 of the first blue film removing device 2 and the third conveying mechanism 31 of the second blue film removing device 3, which can realize elastic pressing on the battery positive and negative electrode protection device. In this embodiment, only the elastic connection component 315 of the third conveying mechanism 31 will be specifically described. As Figure 11 shown, the third conveying mechanism 31 further includes a support frame 314, an elastic connection component 315, and a second mounting frame 316. The two top pressing synchronous belts 312 are wound around sprockets. The top pressing synchronous belt 312 is installed on one side of the second mounting frame 316 close to the bottom supporting synchronous belt 313. The top of the second mounting frame 316 is connected to the support frame 314 through the elastic connection component 315. In this embodiment, both ends of the support frame 314 are respectively connected to both sides of the frame 7. When the battery enters between the top pressing synchronous belt 312 and the bottom supporting synchronous belt 313, the elastic connection component 315 can drive the second mounting frame 316 to flexibly abut the upper end of the battery positive and negative electrode protection device with the top pressing synchronous belt 312 on the top pressing synchronous belt 312, so as to press the battery positive and negative electrode protection device against the upper end face of the battery, which can not only improve the versatility of the third conveying mechanism 31, but also avoid damage caused by rigidly abutting the battery.

[0076] As shown Figure 12 in FIG. 1, the elastic connection assembly 315 includes a guide shaft 3151, a limit ring 3152, and an elastic member 3153. A linear bearing 3154 is installed on the support frame 314. The guide shaft 3151 slides through the linear bearing 3154 along the direction close to or away from the bottom support synchronous belt 313, that is, along the height direction of the battery, and is connected to the top of the second mounting bracket 316. The limit ring 3152 is sleeved on one end of the guide shaft 3151 facing away from the second mounting bracket 316 and is located above the linear bearing 3154. A screw penetrates through the limit ring 3152 and locks the limit ring 3152 on the guide shaft 3151. The limit ring 3152 and the second mounting bracket 316 are respectively located on both sides of the support frame 314. The elastic member 3153 can be set as a spring or a rubber sleeve. In this embodiment, the elastic member 3153 is set as a spring. The spring is sleeved on the guide shaft 3151 and one end abuts against the second mounting bracket 316, and the other end abuts against the support frame 314. It can be understood that the spring can drive the second mounting bracket 316 to move the top pressing synchronous belt 312 along the direction close to the bottom support synchronous belt 313 and abut against the battery positive and negative protection device buckled on the battery, and the limit ring 3152 can abut against the linear bearing 3154 on the support frame 314 to limit the sliding of the guide shaft 3151 along the direction close to the bottom support synchronous belt 313 to limit the second mounting bracket 316 and the top pressing synchronous belt 312, improving the reliability.

[0077] As shown Figure 13 in FIG. 2, the third conveying mechanism 31 further includes a height adjustment assembly 317. The support frame 314 includes a fixed frame 3141 and a lifting frame 3142. The fixed frame 3141 is installed on the machine frame 7. The guide shaft 3151 of the elastic connection assembly 315 penetrates through the lifting frame 3142 and is connected to the second mounting bracket 316. The elastic member 3153 is sleeved on the guide shaft 3151 and one end abuts against the second mounting bracket 316, and the other end abuts against the lifting frame 3142. The height adjustment assembly 317 is installed on the fixed frame 3141 and the output end of the height adjustment assembly 317 is connected to the lifting frame 3142. The number of the height adjustment assemblies 317 can be set according to actual needs. In this embodiment, the two height adjustment assemblies 317 are respectively installed on the opposite sides of the lifting frame 3142. When the height of the battery for removing the blue film changes, the height adjustment assembly 317 can drive the lifting frame 3142 to move along the height direction of the battery to adjust the height of the lifting frame 3142, and then expand or reduce the moving height of the second mounting bracket 316, so as to be able to adapt to batteries of different sizes to remove the blue film, improving the versatility.

[0078] Specifically, the height adjustment assembly 317 includes a handwheel 3171, a screw rod 3172, a snap ring 3173, a first bearing 3174, and a base 3175. The base 3175 is connected to the lifting plate, and a first bearing 3174 is also installed inside the base 3175. The screw rod 3172 threadedly penetrates through the fixing frame 3141 along the height direction of the battery, and the end of the screw rod 3172 is rotatably inserted into the first bearing 3174. The snap ring 3173 is sleeved on the screw rod 3172 to limit the end of the screw rod 3172 inside the base 3175. The handwheel 3171 is fixedly connected to the end of the screw rod 3172 away from the lifting frame 3142. When it is necessary to adjust the height of the lifting frame 3142, rotate the handwheel 3171, and the screw rod 3172 can drive the lifting frame 3142 to move up and down along the height direction of the battery. The structure is simple and easy to operate. In other embodiments of the present invention, the height adjustment assembly 317 can also be set as a mounting plate provided with a waist-shaped hole extending along the height direction of the battery. The mounting plate is fixed to the fixing frame 3141, and the fastener penetrates through the waist-shaped hole and is connected to the lifting frame 3142, which can also achieve the height adjustment of the lifting frame 3142.

[0079] As Figure 1 shown, the battery blue film removal device further includes a feeding device 61 and a discharging device 62. The feeding device 61 and the discharging device 62 are arranged in parallel. The feeding end of the feeding device 61 in this embodiment is aligned with the discharging end of the discharging device 62. It can be understood that the feeding device 61 is installed at the feeding end of the fixture installation device 1 and is used to provide the battery with the blue film to be removed, and the discharging device 62 is installed at the discharging end of the second blue film removal device 3 and is used to output the battery after the blue film is removed. At this time, only one worker or robot can complete the feeding and discharging work simultaneously, with a compact structure and cost savings for the whole.

[0080] In the description herein, it should be understood that the orientation or positional relationships such as "upper", "lower", "left", "right", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for distinction in description and do not have special meanings.

[0081] In the description of this specification, the description referring to terms such as "one embodiment", "example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example.

[0082] In addition, the above are only the preferred embodiments of the present invention and the technical principles applied. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein. Various obvious changes, re-adjustments, and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments only. Without departing from the concept of the present invention, it can also include more other equivalent embodiments, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A battery blue film removal device, characterized in that, Including: A fixture installation device (1) for buckling the battery positive and negative electrode protection device on the positive and negative end faces of the battery; A first blue film removal device (2), located downstream of the fixture installation device (1), and the first blue film removal device (2) can spray high-pressure water on the first group of end faces of the battery to remove the blue film on the first group of end faces of the battery; A second blue film removal device (3), located downstream of the first blue film removal device (2), and the second blue film removal device (3) can spray high-pressure water on the second group of end faces of the battery to remove the blue film on the second group of end faces of the battery; A station conversion device (4), located between the first blue film removal device (2) and the second blue film removal device (3), and the station conversion device (4) can transport the battery from the station of the first blue film removal device (2) to the station of the second blue film removal device (3); The fixture installation device (1) includes: A buckling mechanism (11) for buckling the battery positive and negative electrode protection device on the positive and negative end faces of the battery; A rolling pressing mechanism (12), including a first driving member (121), a swing rod (122), and a first pressing roller (123). A plurality of the first pressing rollers (123) are rotatably connected to the swing rod (122), and the swing rod (122) is connected to the output end of the first driving member (121). After the buckling mechanism (11) buckles the battery positive and negative electrode protection device, the first driving member (121) can drive the swing rod (122) to drive the first pressing roller (123) to press the battery positive and negative electrode protection device against the battery; A first conveying mechanism (13) capable of conveying the battery along the direction close to the station of the first blue film removal device (2); The rolling pressing mechanism (12) further includes: A first mounting frame (124), on which the first driving member (121) is mounted; A rotating shaft (125), rotatably mounted on the first mounting frame (124) around the length direction of the battery and drivingly connected to the output end of the first driving member (121). A plurality of the swing rods (122) are fixed on the rotating shaft (125), and the first driving member (121) can drive the rotating shaft (125) to rotate to drive the swing rod (122) and the first pressing roller (123) to swing along the direction close to or away from the first conveying mechanism (13); The station conversion device (4) includes: A robotic arm (41); A third driving member (42), mounted on the execution end of the robotic arm (41); A supporting plate (43), mounted on the execution end of the robotic arm (41).

2. The battery blue film removal device according to claim 1, wherein The first blue film removal device (2) includes: The second conveying mechanism (21) comprises a second driving member (211), a second pressing roller (212) and a bottom supporting roller (213), wherein the second pressing roller (212) is arranged in parallel with the first pressing roller (123) and the two are installed at the same height along the height direction of the battery, a plurality of the second pressing rollers (212) and a plurality of the bottom supporting rollers (213) are arranged along the length direction of the battery and are all arranged to rotate around the width direction of the battery, and all the bottom supporting rollers (213) are located below all the second pressing rollers (212), and the second pressing rollers (212) and the bottom supporting rollers (213) are arranged along the length direction of the battery. 2) and the bottom supporting roller (213) is transmission-connected to the output end of the second driving member (211), the second conveying mechanism (21) is provided with a first cleaning station and a first drying station, when the first conveying mechanism (13) conveys the battery to between the second pressing roller (212) and the bottom supporting roller (213), the second pressing roller (212) and the bottom supporting roller (213) respectively clamp the upper end of the positive and negative electrode protection device of the battery and the lower end of the battery and convey the battery in a direction from the first cleaning station to the first drying station; A first high-pressure water gun cleaning mechanism (22) is installed at the first cleaning station, and the first high-pressure water gun cleaning mechanism (22) is capable of cleaning the blue film on the first group of end faces of the battery; A first drying mechanism (23) is installed at the first drying station, and the first drying mechanism (23) is capable of drying the cleaned battery.

3. The battery blue film removal device according to claim 1, wherein The workstation conversion device (4) further comprises: A clamping plate (44) is connected to the output end of the third driving member (42), and the third driving member (42) can drive the clamping plate (44) to move in a direction close to the supporting plate (43) to clamp the battery positive and negative electrode protection device and the battery, and press the battery positive and negative electrode protection device against the battery, and the mechanical arm (41) can drive the supporting plate (43) and the clamping plate (44) to move the battery positive and negative electrode protection device and the battery to the working position of the second blue film removing device (3).

4. The battery blue film removal device according to claim 3, wherein, The second blue film removing device (3) comprises: The third conveying mechanism (31) includes a fourth driving member (311), a fifth driving member, a top pressing synchronous belt (312) and a bottom supporting synchronous belt (313). The top pressing synchronous belt (312) and the bottom supporting synchronous belt (313) extend along the width direction of the battery and are wound around the length direction of the battery. The bottom supporting synchronous belt (313) is located below the top pressing synchronous belt (312). The top pressing synchronous belt (312) is drivingly connected to the output end of the fourth driving member (311), and the bottom supporting synchronous belt (313) is drivingly connected to the output end of the fifth driving member. The third conveying mechanism (31) is provided with a second cleaning station and a second drying station. The top pressing synchronous belt (312) and the bottom supporting synchronous belt (313) respectively clamp the upper end of the battery positive and negative electrode protection device and the lower end of the battery and convey the battery in the direction from the second cleaning station to the second drying station. The second high-pressure water gun cleaning mechanism (32) is installed at the second cleaning station, and the high-pressure water gun cleaning mechanism can clean the blue film on the second group of end faces of the battery. The second drying mechanism (33) is installed at the second drying station, and the second drying mechanism (33) can dry the cleaned battery.

5. The battery blue film removing device according to claim 4, characterized in that, Both the top pressing synchronous belt (312) and the bottom supporting synchronous belt (313) are provided in two. The two top pressing synchronous belts (312) are arranged in parallel and at intervals, and the two bottom supporting synchronous belts (313) are arranged in parallel and at intervals. The supporting plate (43) and the pressing plate (44) can pass through the gaps between the two top pressing synchronous belts (312) and the gaps between the two bottom supporting synchronous belts (313).

6. The battery blue film removal device according to claim 4, wherein, It further includes a fixture dismounting device (5). The fixture dismounting device (5) is installed between the second high-pressure water gun cleaning mechanism (32) and the second drying mechanism (33), and the fixture dismounting device (5) can remove the battery positive and negative electrode protection device from the battery.

7. The battery blue film removing device according to claim 4, wherein, The third conveying mechanism (31) further includes a support frame (314), an elastic connection assembly (315) and a second mounting frame (316). The top pressing synchronous belt (312) is installed on the second mounting frame (316), and the second mounting frame (316) is connected to the support frame (314) through the elastic connection assembly (315). The elastic connection assembly (315) can drive the second mounting frame (316) to flexibly press against the battery positive and negative electrode protection device with the top pressing synchronous belt (312).

8. The battery blue film removal device according to claim 1, characterized in that, It further includes a loading device (61) and an unloading device (62). The loading device (61) is used to provide the battery with the blue film to be removed and install it at the feeding end of the fixture mounting device (1). The unloading device (62) is used to output the battery after the blue film is removed and install it at the discharging end of the second blue film removing device (3). The loading device (61) and the unloading device (62) are arranged in parallel, and the feeding end of the loading device (61) is aligned with the discharging end of the unloading device (62).

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