Wiping device

Abstract

The utility model relates to the technical field of battery production equipment, in particular to a wiping device. The wiping device comprises a feeding structure, an infiltrating mechanism, a clamping mechanism and a wiping mechanism, the feeding structure can convey wiping cloth with the preset length to the output end of the infiltrating mechanism, the infiltrating mechanism can infiltrate the wiping cloth with cleaning liquid, and the clamping mechanism and the wiping mechanism are used for wiping the wiping cloth. The clamping mechanism can clamp and fix the wiping cloth infiltrated by the cleaning liquid to the output end of the wiping mechanism, and the wiping mechanism can make the wiping cloth infiltrated by the cleaning liquid abut against the liquid injection opening of the battery and drive the wiping cloth infiltrated by the cleaning liquid to move along the surface of the liquid injection opening of the battery. According to the invention, the wiping cloth is arranged on the liquid injection port of the battery to wipe and clean the electrolyte leaked from the liquid injection port of the battery, and the wiping cloth is soaked by the cleaning liquid before wiping and cleaning the leaked electrolyte, so that the cleaning effect of the wiping cloth is effectively improved, the cleaning effect is good, the subsequent production quality of the battery is improved, and the use safety of the battery is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production equipment technical field especially relates to wiping device. BACKGROUND

[0002] Lithium battery usually contains positive pole, negative pole and electrolyte, and electrolyte is the part injected into the battery. The electrolyte is a kind of liquid that can transfer ions between positive pole and negative pole, and it plays the role of conducting electricity and medium transfer ions in lithium battery. The electrolyte injection refers to the process of injecting electrolyte into lithium battery along injection port in the production process of lithium battery. During the electrolyte injection process, some electrolyte is often left on the injection port, and the residual electrolyte will affect the subsequent process, such as affecting the welding of sealing nail, resulting in the virtual welding of sealing nail, so it is necessary to wipe the injection port clean after injecting electrolyte.

[0003] In the related art, the injection port of the battery after injection is wiped with a wiping cloth to ensure the cleanliness of the injection port of the battery. The existing wiping device only uses the wiping cloth to wipe the electrolyte left on the injection port, which cannot effectively clean the serious dirt adhered to the injection port, and the cleaning effect of the battery is not good, which further affects the use safety of the subsequent battery.

[0004] Therefore, it is urgent to invent a wiping device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a wiping device to effectively clean the dirt adhered to the injection port and achieve good cleaning effect.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The wiping device comprises:

[0008] A feeding structure;

[0009] An infiltration mechanism, the feeding structure can deliver a wiping cloth of a preset length to the output end of the infiltration mechanism, and the infiltration mechanism can use cleaning liquid to infiltrate the wiping cloth;

[0010] A clamping mechanism and a wiping mechanism, the clamping mechanism can clamp and fix the wiping cloth infiltrated by the cleaning liquid on the output end of the wiping mechanism;

[0011] The wiping mechanism can abut the wiping cloth infiltrated by the cleaning liquid with the injection port of the battery, and drive the wiping cloth infiltrated by the cleaning liquid to move along the surface of the injection port of the battery.

[0012] As an optional solution, the infiltration mechanism comprises:

[0013] a liquid storage tank for storing the cleaning liquid;

[0014] a driving pump, an input end of the driving pump being in communication with the liquid storage tank; and

[0015] a soaking nozzle connected to an output end of the driving pump, the driving pump being configured to drive the cleaning liquid in the liquid storage tank to be discharged along the soaking nozzle.

[0016] As an option, the wiping mechanism comprises:

[0017] a first driving member;

[0018] a wiping member connected to the first driving member, the clamping mechanism being capable of wrapping the wiping cloth soaked by the cleaning liquid around a surface of the wiping member from bottom to top, a lower end of the wiping member abutting against the liquid injection port of the battery, the first driving member being capable of driving the wiping member to rotate around a vertical axis of the wiping member.

[0019] As an option, the lower end of the wiping member is provided with an elastic buffer portion, and the wiping cloth is wrapped around a surface of the elastic buffer portion.

[0020] As an option, the clamping mechanism comprises:

[0021] a docking member connected to the feeding structure, the feeding structure being capable of driving the docking member, the wiping cloth, and an output end of the wiping mechanism being capable of being sequentially arranged from bottom to top, the docking member having a sleeving cavity for accommodating the output end of the wiping mechanism, an upper end face of the sleeving cavity being provided with an opening for the output end of the wiping mechanism to pass through;

[0022] a jacking assembly connected to the docking member, the jacking assembly being capable of driving the docking member to move in a vertical direction, so that the docking member is sleeved around an outer periphery of the output end of the wiping mechanism and clamps the wiping cloth between the output end of the wiping mechanism and the docking member;

[0023] and / or a sinking assembly connected to the wiping mechanism, the sinking assembly being capable of driving the wiping mechanism to move in a vertical direction, so that the docking member is sleeved around an outer periphery of the output end of the wiping mechanism and clamps the wiping cloth between the output end of the wiping mechanism and the docking member; and

[0024] a first clamping assembly, the first clamping assembly being capable of clamping and fixing the wiping cloth between the output end of the wiping mechanism and the docking member and the output end of the wiping mechanism in a horizontal direction.

[0025] As an option, the first clamping assembly comprises:

[0026] a second driving member; and

[0027] two first clamping jaws arranged opposite to each other in a horizontal direction, both of the first clamping jaws being connected with an output end of the second driving member, and an output end of the wiping mechanism being located between the two first clamping jaws,

[0028] a side wall of the docking member is provided with two avoiding grooves arranged opposite to each other in the horizontal direction, each of the avoiding grooves being opposite to one of the first clamping jaws in the horizontal direction in a state that the docking member is sleeved on the output end of the wiping mechanism, and the second driving member being capable of driving the two first clamping jaws to move towards or away from each other.

[0029] As an optional solution, the feeding structure comprises:

[0030] a traction mechanism capable of traction and fixation of a wiping cloth strip with a preset length in a preset direction;

[0031] a cutting mechanism capable of cutting the wiping cloth strip into a preset number of wiping cloths with a preset length, and individually clamping and fixing each of the cutting-formed wiping cloths;

[0032] a first transfer mechanism capable of sequentially transferring all the wiping cloths to the soaking mechanism and the wiping mechanism;

[0033] each of the wiping cloths is correspondingly arranged with an output end of one of the wiping mechanisms and one of the batteries, the soaking mechanism is capable of synchronously soaking all the wiping cloths, and the clamping mechanism is capable of synchronously clamping and fixing all the wiping cloths.

[0034] As an optional solution, the traction mechanism comprises:

[0035] a first clamping assembly capable of clamping and fixing a free end of a wiping cloth roll;

[0036] a second clamping assembly capable of clamping and fixing a free end of the wiping cloth roll; and

[0037] a third driving member, the second clamping assembly being connected with an output end of the third driving member, and the third driving member being configured to drive the second clamping assembly to move in the preset direction.

[0038] As an optional solution, the cutting mechanism comprises:

[0039] a plurality of third clamping assemblies connected with the first transfer mechanism, the plurality of third clamping assemblies being arranged at intervals in the preset direction, and the third clamping assemblies being used for clamping the wiping cloth strip;

[0040] A plurality of cutting assemblies are arranged along the preset direction, and each of the cutting assemblies is arranged between two adjacent clamping assemblies.

[0041] As an option, the wiping device further comprises:

[0042] A recycling bin is arranged at the recycling station, and the recycling bin is used to collect the wiping cloth after wiping the battery.

[0043] A second transfer mechanism is arranged to drive the wiping mechanism and the clamping mechanism to switch between the wiping station and the recycling station.

[0044] The wiping device has the following advantages:

[0045] The wiping device provided by the utility model has the advantages that the wiping cloth of a preset length is conveyed to the soaking mechanism by using the feeding structure, the wiping cloth is soaked by the cleaning liquid by the soaking mechanism, the wiping cloth soaked by the cleaning liquid is clamped and fixed at the output end of the wiping mechanism by the clamping mechanism, the wiping cloth soaked by the cleaning liquid is driven by the wiping mechanism to abut against the liquid injection port of the battery and move along the surface of the liquid injection port of the battery, the electrolyte leaking at the liquid injection port of the battery is wiped and cleaned, the cleaning ability of the wiping cloth is effectively improved because the wiping cloth is soaked by the cleaning liquid before wiping and cleaning the liquid injection port of the battery, the cleaning effect of the liquid injection port of the battery is good, and the production quality of the subsequent battery is improved, and the use safety of the battery is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1 is a structure schematic view of the wiping device provided by the utility model embodiment;

[0047] Figure 2 is a first structure schematic view of the soaking mechanism, the wiping mechanism, part of the clamping mechanism, the recycling bin and the second transfer mechanism provided by the utility model embodiment;

[0048] Figure 3 is a second structure schematic view of the soaking mechanism, the wiping mechanism, part of the clamping mechanism, the recycling bin and the second transfer mechanism provided by the utility model embodiment;

[0049] Figure 4 is Figure 3 is an enlarged view of A in FIG. 1;

[0050] Figure 5 is a structure schematic view of the jacking assembly and the butt joint provided by the utility model embodiment;

[0051] Figure 6 is a first structure schematic view of a traction mechanism, a cutting mechanism and a first transfer mechanism provided by the embodiment of the utility model;

[0052] Figure 7 is Figure 6 is a partial enlarged view of B in figure;

[0053] Figure 8 is a second structure schematic view of a traction mechanism, a cutting mechanism and a first transfer mechanism provided by the embodiment of the utility model.

[0054] in the figure:

[0055] 100, infiltrating mechanism, 110, drive pump, 120, infiltrating nozzle, 130, liquid storage tank,

[0056] 200, wiping mechanism, 210, first driving part, 220, wiping part, 221, elastic buffer part, 230, first transmission part, 231, first synchronous wheel, 232, first synchronous belt,

[0057] 300, clamping mechanism, 310, first clamping assembly, 311, second driving part, 312, first clamping jaw, 320, settling assembly, 321, fourth driving part, 322, first mounting frame, 3221, first guide sliding block, 323, first guide sliding rail, 330, jacking assembly, 331, fifth driving part, 332, containing part, 340, butt joint part, 341, avoiding groove,

[0058] 400, traction mechanism, 410, third driving part, 420, first clamping assembly, 430, second clamping assembly,

[0059] 500, cutting mechanism, 510, third clamping assembly, 511, sixth driving part, 512, second clamping jaw, 520, cutting assembly, 521, seventh driving part, 522, cutting knife, 523, eighth driving part,

[0060] 600, first transfer mechanism, 610, ninth driving part, 620, second mounting frame, 621, second guide sliding block, 630, second guide sliding rail, 640, second transmission part,

[0061] 700, recycling box, 710, feed inlet,

[0062] 800, second transfer mechanism. DETAILED DESCRIPTION

[0063] In order to make the technical problem solved by the utility model, the technical scheme adopted and the technical effect reached more clear, the technical scheme of the utility model is further illustrated by specific implementation manners below in conjunction with the drawings.

[0064] In the description of the utility model, unless another explicit provision and limitation, the term "connected", "connection", "fixed" should be broad sense understanding, for example, can be fixed connection, can also be detachable connection, or integrated;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through the intermediate medium, can be two elements inside the communication or the interaction relationship of two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0065] In the utility model, unless another explicit provision and limitation, the first feature is "on" or "under" the second feature can include the first and second features direct contact, can also include the first and second features are not direct contact but contact through another feature between them.Moreover, the first feature is "on", "above" and "on" the second feature includes the first feature is directly above and obliquely above the second feature, or just indicates that the horizontal height of the first feature is higher than the second feature.The first feature is "under", "below" and "under" the second feature includes the first feature is directly below and obliquely below the second feature, or just indicates that the horizontal height of the first feature is less than the second feature.

[0066] In the description of the embodiment, the terms "on", "under", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawing, only for the convenience of description and simplification operation, and not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0067] In the electrolyte injection process, the injection port often remains some electrolyte, and the residual electrolyte will affect the subsequent process, such as affecting the welding of the sealing nail, resulting in the virtual welding of the sealing nail, so it is necessary to wipe the injection port clean after injecting the electrolyte.In the related art, the injection port of the battery after injection is wiped with a wiping cloth to ensure the cleanliness of the injection port of the battery.The existing wiping device only uses a wiping cloth to wipe the electrolyte remaining in the injection port, which cannot effectively clean the serious dirt adhering to the injection port, and the cleaning effect of the battery is not good, thereby affecting the subsequent use safety of the battery.

[0068] In order to solve the above problems, such as Figure 1As shown, the embodiment provides a wiping device. The wiping device comprises a feeding structure, an immersion mechanism 100, a wiping mechanism 200 and a clamping mechanism 300. The feeding structure can deliver a wiping cloth of a preset length to the output end of the immersion mechanism 100. The immersion mechanism 100 can immerse the wiping cloth with a cleaning liquid. The clamping mechanism 300 can clamp and fix the wiping cloth immersed with the cleaning liquid at the output end of the wiping mechanism 200. The wiping mechanism 200 can abut the wiping cloth immersed with the cleaning liquid with the liquid injection port of the battery and drive the wiping cloth immersed with the cleaning liquid to move along the surface of the liquid injection port of the battery.

[0069] The wiping device delivers the wiping cloth of a preset length to the immersion mechanism 100 by using the feeding structure, immerses the wiping cloth with the cleaning liquid by the immersion mechanism 100, clamps and fixes the wiping cloth immersed with the cleaning liquid at the output end of the wiping mechanism 200 by the clamping mechanism 300, and drives the wiping cloth immersed with the cleaning liquid to abut the liquid injection port of the battery and move along the surface of the liquid injection port of the battery by the wiping mechanism 200. Thus, the electrolyte leaked at the liquid injection port of the battery can be wiped and cleaned. Since the wiping cloth is immersed with the cleaning liquid before wiping and cleaning the liquid injection port of the battery, the cleaning energy of the wiping cloth can be effectively improved, the cleaning effect of the liquid injection port of the battery is good, and the production quality of the subsequent battery is improved, thereby ensuring the use safety of the battery.

[0070] It should be noted that in the embodiment, the wiping cloth is a non-woven fabric, and the cleaning liquid is DMC (Dimethylcarbonate, carbonic acid dimethyl ester). The non-woven fabric is a new generation of environmentally friendly material, which has the advantages of good strength, breathable and waterproof, environmental protection, flexibility, non-toxic and odorless, and low price. DMC is an organic solvent, which has many good chemical properties, such as low toxicity, low odor, excellent solubility, etc. It is widely used in many industrial fields and daily life. In addition, DCM also has environmental advantages, which conforms to the current development trend of green chemistry.

[0071] As an optional solution, as shown in FIG. 2, the wiping device can further comprise a cleaning mechanism 400. The cleaning mechanism 400 can be arranged on the output end of the wiping mechanism 200. The cleaning mechanism 400 can clean the wiping cloth after the wiping cloth is used to wipe the liquid injection port of the battery. Figure 1 and Figure 2As shown, the soaking mechanism 100 comprises a liquid storage tank 130, a driving pump 110 and a soaking nozzle 120, wherein the liquid storage tank 130 is configured to store the cleaning liquid, the input end of the driving pump 110 is in communication with the liquid storage tank 130, the soaking nozzle 120 is connected to the output end of the driving pump 110, and the driving pump 110 is configured to drive the cleaning liquid in the liquid storage tank 130 to be discharged along the soaking nozzle 120. When it is necessary to soak the wiping cloth, the input end of the driving pump 110 extracts the cleaning liquid from the liquid storage tank 130 and discharges the extracted cleaning liquid along the soaking nozzle 120, so as to achieve the effect of soaking the wiping cloth with the cleaning liquid in the liquid storage tank 130. It should be noted that in the embodiment, the driving pump 110 is a constant-displacement pump. The constant-displacement pump is a kind of hydraulic pump whose displacement (i.e. the volume of the liquid discharged when the pump shaft rotates one revolution) is fixed. By setting the driving pump 110 as a constant-displacement pump, the amount of the cleaning liquid used when soaking the wiping cloth can be ensured to be consistent. In the actual operation process, by setting the displacement of the constant-displacement pump, the soaking effect of the cleaning liquid on the wiping cloth can be ensured while unnecessary waste is avoided, and the cost is facilitated to be planned.

[0072] In combination Figure 3 With Figure 4 The specific structure of the wiping mechanism 200 will be described. The wiping mechanism 200 comprises a first driving member 210 and a wiping member 220, wherein the wiping member 220 is connected to the first driving member 210, the clamping mechanism 300 can wrap the wiping cloth soaked with the cleaning liquid from bottom to top on the surface of the wiping member 220, the lower end of the wiping member 220 abuts against the liquid inlet of the battery, and the first driving member 210 can drive the wiping member 220 to rotate around the vertical axis of the wiping member 220. By connecting the wiping member 220 to the first driving member 210, in the case that the clamping mechanism 300 wraps the wiping cloth soaked with the cleaning liquid from bottom to top on the surface of the wiping member 220, the lower end of the wiping member 220 abuts against the liquid inlet of the battery, and the wiping member 220 is driven by the first driving member 210 to rotate around the vertical axis of the wiping member 220, the effect that the wiping cloth wrapped on the surface of the wiping member 220 is driven to rotate and wipe along the surface of the liquid inlet of the battery can be achieved, the action that the wiping cloth is manually wiped by the staff on the liquid inlet of the battery can be truly simulated, and the wiping and cleaning effect of the wiping cloth on the liquid inlet of the battery can be ensured. It should be noted that in the embodiment, the first driving member 210 is a rotary motor. The rotary motor has simple structure, sensitive response and stable output power. In other embodiments, the first driving member 210 can also be a rotary cylinder or other rotary driving structure, and the embodiment is not limited in particular.

[0073] In the embodiment, the soaking nozzle 120 is located at the front end of the wiping member 220, and the feeding structure is located at the front end of the soaking nozzle 120. The feeding structure first drives the wiping cloth to move backward to the soaking nozzle 120 for soaking of the cleaning liquid, and then drives the wiping cloth soaked with the cleaning liquid to move backward to the wiping member 220, and the clamping mechanism 300 wraps the wiping cloth soaked with the cleaning liquid from bottom to top on the surface of the wiping member 220.

[0074] In order to improve the compactness of the wiping mechanism 200, the wiping mechanism 200 further comprises a first transmission member 230, wherein the first transmission member 230 comprises two first synchronous wheels 231 and a first synchronous belt 232. The two first synchronous wheels 231 are in common tension and engage the first synchronous belt 232. Any one of the two first synchronous wheels 231 is connected with the output end of the first driving member 210, and the other is connected with the input end of the wiping member 220, so as to change the relative position of the first driving member 210 and the wiping member 220, thereby improving the compactness of the wiping mechanism 200.

[0075] In addition, in the embodiment, the wiping mechanism 200 further comprises a battery carrying assembly. The battery carrying assembly can drive the battery to move to the position directly below the wiping member 220 and drive the battery to move upward, so that the battery abuts against the lower end of the wiping member 220. Specifically, the battery carrying assembly comprises a first battery carrying member and a second battery carrying member. The battery is connected with the output end of the first battery carrying member. The first battery carrying member drives the battery to move in the vertical direction. The first battery carrying member is connected with the output end of the second battery carrying member. The second battery carrying member drives the first battery carrying member to move in the horizontal direction. Through the cooperation of the first battery carrying member and the second battery carrying member, the abutment of the battery and the lower end of the wiping member 220 is realized. It should be noted that, in the embodiment, the first battery carrying member is a linear motor with up-down driving function, and the second battery carrying member is two linear motors assembled together. One of the two linear motors has forward-backward driving function, and the other has left-right driving function. In other embodiments, the first battery carrying member and the second battery carrying member can also be other horizontal driving structures and vertical driving structures, which are not limited in the embodiment.

[0076] As an optional solution, the lower end of the wiping member 220 is provided with an elastic buffer portion 221, and the wiping cloth is wrapped around the surface of the elastic buffer portion 221. By providing an elastic buffer portion 221 at the lower end of the wiping member 220 and wrapping the wiping cloth around the surface of the elastic buffer portion 221, when the wiping member 220 comes into contact with the battery, the elastic buffer portion 221 can clamp between the wiping member 220 and the battery in the vertical direction, using the elastic buffer of the elastic buffer portion 221 to prevent rigid contact between the wiping member 220 and the battery, thereby improving the protection of the battery. It should be noted that in this embodiment, the elastic buffer portion 221 is made of POM (polyformaldehyde) material. POM has similar hardness, strength and rigidity to metals, while exhibiting good self-lubricating properties and fatigue resistance over a wide range of temperature and humidity, and is also elastic. In other embodiments, the elastic buffer portion 221 may also be made of rubber, sponge or other elastic materials, and this embodiment does not make a specific limitation.

[0077] As an optional solution, such as Figures 3-5 As shown, the clamping mechanism 300 includes a docking member 340, a lifting assembly 330, a settling assembly 320, and a first clamping assembly 310. The docking member 340, the wiping cloth, and the wiping member 220 are arranged sequentially from bottom to top. The docking member 340 has a sleeve cavity for accommodating the wiping member 220, and the upper end face of the sleeve cavity has an opening for the wiping member 220 to pass through. The lifting assembly 330 is connected to the docking member 340 and can drive the first clamping member 310. The receiving part 340 moves vertically, and the settling component 320 is connected to the wiping mechanism 200. The settling component 320 can drive the wiping mechanism 200 to move vertically so that the receiving part 340 is sleeved on the outer periphery of the wiping part 220 and the wiping cloth is clamped between the wiping part 220 and the receiving part 340. The first clamping component 310 can clamp and fix the wiping cloth located between the wiping part 220 and the receiving part 340 to the wiping part 220 in the horizontal direction. By connecting the docking member 340 to the feeding structure, the feeding structure drives the docking member 340, the wiping cloth, and the wiping member 220 to be arranged sequentially from bottom to top. The docking member 340 is provided with a receiving cavity for accommodating the wiping member 220 and an opening for the wiping member 220 to pass through on the upper end face of the receiving cavity. Combined with the lifting component 330 driving the wiping member 220 to move vertically and the sinking component 320 driving the wiping mechanism 200 to move vertically, the wiping member 220 can be inserted into the receiving cavity in the docking member 340 through the opening, and the wiping cloth is clamped between the wiping member 220 and the receiving cavity. Combined with the first clamping component 310 clamping and fixing the wiping cloth and the wiping member 220 in the horizontal direction, the effect of the wiping cloth wrapping around the surface of the wiping member 220 from bottom to top is achieved.

[0078] It should be noted that in other embodiments, the jacking assembly 330 can be arranged only in the clamping mechanism 300 or the sinking assembly 320 can be arranged only in the clamping mechanism 300 to achieve the clamping and fixing of the wiping cloth on the wiping piece 220, and the present embodiment is not limited in this regard.

[0079] In combination Figure 4 With Figure 5 The specific structure of the first clamping assembly 310 will be described. The first clamping assembly 310 includes a second driving member 311 and two first clamping jaws 312 arranged opposite to each other in the horizontal direction. The two first clamping jaws 312 are connected to the output end of the second driving member 311. The wiping piece 220 is located between the two first clamping jaws 312. The side wall of the adapter 340 is provided with two avoiding grooves 341 arranged opposite to each other in the horizontal direction. In the state that the adapter 340 is sleeved on the wiping piece 220, each avoiding groove 341 is opposite to one first clamping jaw 312 in the horizontal direction. The second driving member 311 can drive the two first clamping jaws 312 to move towards each other or move away from each other. By arranging the two first clamping jaws 312 arranged opposite to each other in the horizontal direction, and arranging the wiping piece 220 between the two first clamping jaws 312, and arranging the two avoiding grooves 341 arranged opposite to each other in the horizontal direction on the side wall of the adapter 340, the two avoiding grooves 341 are opposite to the two first clamping jaws 312 in the state that the adapter 340 is sleeved on the wiping piece 220. The second driving member 311 drives the two first clamping jaws 312 to move towards each other or move away from each other, so as to achieve the effect that the first clamping jaw 312 clamps and fixes the wiping cloth wrapped on the surface of the wiping piece 220, and then clamps and fixes the wiping cloth from bottom to top on the surface of the wiping piece 220.

[0080] It should be noted that in the present embodiment, the second driving member 311 is a linear cylinder, which drives the two first clamping jaws 312 to move towards each other or move away from each other. The linear cylinder has simple structure, sensitive response, and convenient disassembly and assembly. In other embodiments, the second driving member 311 can also be other structures capable of driving the two first clamping jaws 312 to move towards each other or move away from each other, and the present embodiment is not limited in this regard.

[0081] In an optional solution, the sinking assembly 320 includes a fourth driving member 321 and a first mounting frame 322. The wiping mechanism 200 is mounted on the first mounting frame 322. The output end of the fourth driving member 321 is connected to the first mounting frame 322. The fourth driving member 321 is configured to drive the first mounting frame 322 to move in the up-down direction, so as to drive the adapter 340 to be connected with the wiping piece 220. It should be noted that in the present embodiment, the fourth driving member 321 is a linear motor. The linear motor has simple structure, sensitive response, and convenient disassembly and assembly. In other embodiments, the fourth driving member 321 can also be a linear motor or other linear driving structure, and the present embodiment is not limited in this regard.

[0082] To further improve the driving precision of the fourth driving member 321 on the wiping member 220, the sinking assembly 320 further comprises a first guide sliding rail 323 extending in the up-down direction, and the first mounting frame 322 is provided with a first guide sliding block 3221 which is in sliding cooperation with the first guide sliding rail 323, so that when the fourth driving member 321 drives the first mounting frame 322 to move in the up-down direction, the first guide sliding block 3221 slides along the first guide sliding rail 323 to provide guidance for the movement of the first mounting frame 322.

[0083] As shown in Figure 5 The jacking assembly 330 comprises a fifth driving member 331 and a containing member 332, and the docking member 340 is arranged on the containing member 332. The fifth driving member 331 is installed on the feeding structure, and the output end of the fifth driving member 331 is connected with the containing member 332. The fifth driving member 331 is used to drive the containing member 332 to move in the up-down direction, so as to realize the docking of the docking member 340 and the wiping member 220. It should be noted that in the embodiment, the fifth driving member 331 is a linear motor. The linear motor has simple structure, sensitive response and convenient disassembly and assembly. In other embodiments, the fifth driving member 331 can also be a linear motor or other linear driving structure, and the embodiment is not limited in particular.

[0084] In combination with Figure 6 and Figure 7The specific structure of the feeding structure is described. The feeding structure comprises a traction mechanism 400, a cutting mechanism 500 and a first transfer mechanism 600. The traction mechanism 400 can pull and fix a wiping cloth belt of a preset length in a preset direction. The cutting mechanism 500 can cut the wiping cloth belt into a preset number and length of wiping cloths, and individually clamp and fix each wiping cloth. The first transfer mechanism 600 can sequentially transfer all the wiping cloths to the soaking mechanism 100 and the wiping mechanism 200. Each wiping cloth is correspondingly arranged with a wiping piece 220 and a battery. The soaking mechanism 100 can synchronously soak all the wiping cloths. The clamping mechanism 300 can synchronously clamp and fix all the wiping cloths. By using the traction mechanism 400 to pull and fix the wiping cloth belt of the preset length in the preset direction, the cutting mechanism 500 cuts the wiping cloth belt into the preset number and length of wiping cloths, and individually clamps and fixes each wiping cloth. The first transfer mechanism 600 sequentially transfers all the wiping cloths to the soaking mechanism 100 and the wiping mechanism 200. The soaking mechanism 100 synchronously soaks all the wiping cloths and the clamping mechanism 300 synchronously clamps and fixes them on the plurality of wiping pieces 220, so as to realize synchronous wiping and cleaning of the liquid injection ports of the plurality of batteries and improve the cleaning efficiency of the liquid injection ports of the batteries. It should be noted that in the embodiment, the preset direction is the left-right direction, and the cutting mechanism 500 can cut the wiping cloth belt into six wiping cloths to realize synchronous wiping and cleaning of the liquid injection ports of six batteries. In other embodiments, the specific direction of the preset direction and the specific cutting number of the cutting mechanism 500 to the wiping cloth belt can be adjusted according to actual needs, and the embodiment is not limited in particular.

[0085] In addition, in the embodiment, each wiping cloth corresponds to one soaking nozzle 120, one driving pump 110, one first clamping assembly 310, one docking piece 340 and one set of lifting assembly 330. The sinking assembly 320 synchronously drives all the wiping pieces 220 to move in the up-down direction. Each set of lifting assembly 330 drives the corresponding docking piece 340 to move in the up-down direction.

[0086] As an alternative, the traction mechanism 400 comprises a first clamping assembly 420, a second clamping assembly 430 and a third driving member 410, wherein the first clamping assembly 420 is capable of clamping and fixing the free end of the wiping cloth roll, the second clamping assembly 430 is capable of clamping and fixing the free end of the wiping cloth roll, the second clamping assembly 430 is connected with the output end of the third driving member 410, and the third driving member 410 is configured to drive the second clamping assembly 430 to move in the preset direction. When it is required to pull and clamp the wiping cloth belt of the preset length from the wiping cloth roll in the preset direction, the free end of the wiping cloth roll is clamped and fixed by the first clamping assembly 420, then the free end of the wiping cloth roll is clamped and fixed by the second clamping assembly 430 again, then the first clamping assembly 420 releases the free end of the wiping cloth roll, the third driving member 410 drives the second clamping assembly 430 to move in the preset direction away from the wiping cloth roll by the preset distance, and then the first clamping assembly 420 clamps and fixes the wiping cloth belt in the position opposite to it, so as to pull and clamp the wiping cloth belt of the preset length from the wiping cloth roll in the preset direction.

[0087] Specifically, the first clamping assembly 420 comprises two oppositely arranged third clamping jaws and an eleventh driving member, the two oppositely arranged third clamping jaws are respectively connected with the output end of the eleventh driving member, the wiping cloth belt is located between the two third clamping jaws, and the eleventh driving member is capable of driving the two third clamping jaws to move towards each other or move away from each other, so as to clamp and fix the wiping cloth belt. It should be noted that the specific structure of the second clamping assembly 430 is the same as that of the first clamping assembly 420, and in order to keep the writing brief, it will not be described here.

[0088] As Figure 6As shown, the cutting mechanism 500 comprises a plurality of third clamping assemblies 510 and a plurality of cutting assemblies 520. The plurality of third clamping assemblies 510 are connected to the first transfer mechanism 600 and are arranged at intervals along a preset direction. The third clamping assemblies 510 are used to clamp the wiping cloth belt. The plurality of third clamping assemblies 510 are arranged at intervals along the preset direction. The cutting assemblies 520 are used to cut the wiping cloth belt. One cutting assembly 520 is arranged between any two adjacent third clamping assemblies 510. By arranging the plurality of third clamping assemblies 510 and the plurality of cutting assemblies 520 at intervals along the preset direction, one cutting assembly 520 is arranged between any two adjacent third clamping assemblies 510. Thus, the wiping cloth belt can be cut into a preset number of wiping cloths, and each wiping cloth is clamped and fixed by one third clamping assembly 510. It should be noted that, in this embodiment, since the cutting assembly 520 can cut the wiping cloth belt into six wiping cloths, the cutting mechanism 500 comprises six third clamping assemblies 510 and six cutting assemblies 520. In other embodiments, the specific number of third clamping assemblies 510 and cutting assemblies 520 can be adjusted according to actual cutting requirements, and the present embodiment is not limited in this regard.

[0089] Specifically, as shown in Figure 6 and Figure 7 The third clamping assembly 510 comprises a sixth driving member 511 and two second clamping jaws 512 arranged opposite to each other along the up-down direction. The second clamping jaw 512 is in the shape of U in the top view. The U-shaped groove can ensure the abutment of the subsequent wiping member 220 and the abutment member 340 along the up-down direction. The output ends of the sixth driving member 511 are connected to the two U-shaped second clamping jaws 512 respectively. The sixth driving member 511 drives the two U-shaped second clamping jaws 512 to clamp and fix the wiping cloth belt along the up-down direction. After the cutting assembly 520 cuts the wiping cloth belt, the two U-shaped second clamping jaws 512 clamp and fix one wiping cloth.

[0090] As an optional solution, as shown in Figure 7 and Figure 8As shown, the cutting assembly 520 comprises a seventh driving member 521, an eighth driving member 523, and two cutting knives 522 hingedly connected to each other, the seventh driving member 521 is capable of driving the two cutting knives 522 to rotate around the hinge joint, the output end of the eighth driving member 523 is connected to the seventh driving member 521, and the eighth driving member 523 is configured to drive the seventh driving member 521 to move in the horizontal plane in a direction perpendicular to the preset direction. The wiping cloth belt is misaligned along the preset direction under the traction of the traction mechanism 400. When the wiping cloth belt is cut into a preset number of wiping cloths, the wiping cloth belt is first clamped and fixed by the plurality of third clamping assemblies 510, and then the eighth driving member 523 drives the cutting knives 522 to move in the horizontal plane in a direction perpendicular to the preset direction, so that the wiping cloth belt is opposite to the cutting knives 522 along the preset direction, and the wiping cloth belt is located between the two cutting knives 522, and then the seventh driving member 521 drives the two cutting knives 522 to rotate around the hinge joint to cut the wiping cloth belt.

[0091] In an optional solution, the first transfer mechanism 600 comprises a ninth driving member 610 and a second mounting frame 620, wherein the output end of the ninth driving member 610 is connected to the second mounting frame 620, the third clamping assembly 510 and the jacking assembly 330 are both mounted on the second mounting frame 620, and the ninth driving member 610 is capable of driving the second mounting frame 620 to move in the horizontal plane in a direction perpendicular to the preset direction, so that the wiping cloth is sequentially moved to the soaking nozzle 120 of the soaking mechanism 100 and the wiping member 220 of the wiping mechanism 200. It should be noted that in the present embodiment, the ninth driving member 610 is a rotary motor and a ball screw structure, the preset direction is the left-right direction, the soaking nozzle 120 and the wiping member 220 are opposite along the front-back direction, and the soaking nozzle 120 is located at the end of the wiping member 220 close to the third clamping assembly 510. In other embodiments, the specific structure of the ninth driving member 610 and the specific direction of the preset direction can also be adjusted according to actual needs, and the present embodiment is not limited in this regard. In addition, in the present embodiment, the first transfer mechanism 600 further comprises a second transmission member 640, which is used to change the relative position of the rotary motor and the ball screw in the ninth driving member 610, so as to improve the compactness of the ninth driving member 610. The specific structure of the second transmission member 640 is the same as that of the first transmission member 230, and in order to ensure the brevity of the text, it will not be described here.

[0092] When the wiping member 220 and the docking member 340 are docked under the driving of the jacking assembly 330 and the sinking assembly 320 respectively, the third clamping assembly 510 releases the clamped and fixed wiping cloth, so that the wiping cloth can be deformed under the driving of the wiping member 220 and the docking member 340 and wrapped around the surface of the wiping member 220 from bottom to top.

[0093] To further improve the driving precision of the ninth driving member 610 on the second mounting frame 620, the first transfer mechanism 600 further comprises a second guide sliding rail 630, which extends in a direction perpendicular to the preset direction in a horizontal plane. The second mounting frame 620 is provided with a second guide sliding block 621 which is in sliding cooperation with the second guide sliding rail 630. When the ninth driving member 610 drives the second mounting frame 620 to move, the second guide sliding block 621 can slide along the second guide sliding rail 630 to ensure the movement precision of the second mounting frame 620.

[0094] As an optional solution, the first transfer mechanism 600 further comprises a detection member and a control member. The detection member, the ninth driving member 610, the driving pump 110, the jacking assembly 330, the sinking assembly 320 and the first clamping assembly 310 are in communication connection with the control member. The detection member is used to detect the relative position relationship between the wiping cloth and the soaking nozzle 120 and the wiping member 220. When the detection member detects that the wiping cloth clamped and fixed by the third clamping assembly 510 moves to the position directly below the soaking nozzle 120, the detection member transmits detection information to the control member. The control member controls the ninth driving member 610 to stop working according to the detection information, and the driving pump 110 discharges a certain amount of cleaning liquid along the soaking nozzle 120 to soak the wiping cloth fixed in the position directly below the soaking nozzle 120. After the wiping cloth is soaked with the cleaning liquid, the driving pump 110 transmits driving information to the control member. The control member starts the ninth driving member 610 according to the driving information of the driving pump 110, so that the ninth driving member 610 continues to drive the wiping cloth to move. When the detection member detects that the wiping cloth to be soaked with the cleaning liquid moves to the position directly below the wiping member 220, the detection member transmits detection information to the control member. The control member controls the ninth driving member 610 to stop working again according to the detection information, and the jacking assembly 330 and the sinking assembly 320 are started to realize the butt joint insertion of the wiping member 220 and the butt joint member 340. When the second driving member 311 in the first clamping assembly 310 drives the two first clamping jaws 312 to clamp and fix the wiping cloth on the surface of the wiping member 220, and the jacking assembly 330 and the sinking assembly 320 drive the butt joint member 340 and the wiping member 220 to separate from the state of butt joint, the control member controls the ninth driving member 610 to start according to the driving information of the first clamping assembly 310, the sinking assembly 320 and the jacking assembly 330, so that the third clamping assembly 510 without clamping the wiping cloth is retracted. The specific structure and working principle of the control member and the detection member both belong to the prior art, and will not be described here.

[0095] As an optional solution, as shown in FIG. 6, the first transfer mechanism 600 further comprises a second driving member 620, which is arranged on the second mounting frame 620 and is in communication connection with the control member. The second driving member 620 is used to drive the second mounting frame 620 to move along the second guide sliding rail 630. Figure 1 and Figure 2As shown, the wiping device further comprises a recycling box 700 and a second transfer mechanism 800, wherein the wiping device has a wiping station and a recycling station, the battery is located at the wiping station, the recycling box 700 is located at the recycling station, the recycling box 700 is used to collect the wiping cloth after wiping the battery, and the second transfer mechanism 800 is used to drive the wiping member 220 in the wiping mechanism 200 and the first clamping assembly 310 in the clamping mechanism 300 to switch between the wiping station and the recycling station. When the wiping cloth on the surface of the wiping member 220 completes the wiping and cleaning of the liquid injection port of the battery at the wiping station, it is necessary to collect the wiping cloth after completing the wiping, at this time, the second transfer mechanism 800 drives the wiping member 220 and the first clamping assembly 310 to move from the wiping station to the recycling station, then the first clamping assembly 310 releases the wiping cloth wrapped on the surface of the wiping member 220, so that the wiping cloth falls under the action of its own gravity and enters the recycling box 700, and finally the second transfer mechanism 800 drives the wiping member 220 and the first clamping assembly 310 to move from the recycling station back to the wiping station, so as to clamp and fix another wiping cloth soaked with cleaning liquid and wipe and clean the battery.

[0096] It should be noted that in the embodiment, the recycling box 700 is located below the recycling station, and the recycling box 700 has a recycling cavity, the upper end of the recycling cavity is provided with a feeding port 710, and the wiping cloth in the recycling station is soaked into the recycling cavity along the feeding port 710 under the action of its own gravity, so as to realize automatic recycling of the wiping cloth.

[0097] In an optional solution, the recycling box 700 is made of transparent material. By making the recycling box 700 of transparent material, the staff can observe the amount of wiping cloth collected in the recycling cavity of the recycling box 700 from the outside, so as to arrange and discharge the wiping cloth collected in the recycling cavity of the recycling box 700 in time, and ensure the normal recycling of the wiping cloth by the recycling box 700. In other embodiments, an alarm device, a laser emitter and a laser receiver can also be arranged in the recycling cavity, the alarm device is in communication connection with the laser emitter and the laser receiver, the laser emitter and the laser receiver are arranged at a certain height in the recycling cavity, and the detection range of the laser emitter and the laser receiver avoids the moving path of the wiping cloth entering the recycling cavity along the feeding port 710. When the wiping cloth entering the recycling cavity along the feeding port 710 is more and more, the height of the wiping cloth accumulation increases and enters the detection range of the laser emitter and the laser receiver, the laser receiver cannot normally receive the laser emitted by the laser emitter, and then transmits the detection information to the alarm device, and the alarm device produces sound and / or light according to the detection information to remind the staff to clean the wiping cloth in the recycling cavity in time.

[0098] In addition, in the embodiment, the wiping station and the recycling station are arranged in the front-rear direction, and the wiping station is located at one end close to the traction mechanism 400 and the cutting mechanism 500. In other embodiments, the specific arrangement of the wiping station and the recycling station can be adjusted according to actual needs.

[0099] The specific structure of the second transfer mechanism 800 is the same as that of the first transfer mechanism 600. To ensure the brevity of the text, the specific structure of the second transfer mechanism 800 will not be described here.

[0100] To further facilitate understanding of the specific structure of the wiping device provided in the embodiment, the specific structure of the wiping device provided in the embodiment will be described in combination with Figures 1-8 The specific working steps of the wiping device will be described:

[0101] 1. The first clamping assembly 420 and the second clamping assembly 430 in the traction mechanism 400 jointly pull and fix a wiping cloth tape of a preset length from the wiping cloth roll in the left-right direction;

[0102] 2. The cutting knives 522 move forward under the drive of the eighth driving member 523 and make the wiping cloth tape located between the two cutting knives 522;

[0103] 3. The third clamping assembly 510 clamps and fixes the wiping cloth tape, and the seventh driving member 521 drives the cutting knives 522 to cut the wiping cloth tape, so that each third clamping assembly 510 clamps and fixes a wiping cloth;

[0104] 4. The ninth driving member 610 in the first transfer mechanism 600 drives the wiping cloth clamped and fixed by the third clamping assembly 510 to move to the lower side of the soaking nozzle 120;

[0105] 5. The plurality of driving pumps 110 synchronously drive an equal amount of cleaning liquid to be discharged along the corresponding soaking nozzle 120 and to soak the corresponding wiping cloth;

[0106] 6. The ninth driving member 610 in the first transfer mechanism 600 drives the wiping cloth soaked by the cleaning liquid to move to between the wiping member 220 and the docking member 340;

[0107] 7. The jacking assembly 330 and the sinking assembly 320 are started to make the docking member 340 and the wiping member 220 be inserted together in the up-down direction, and the first clamping assembly 310 clamps and fixes the wiping cloth clamped between the docking member 340 and the wiping member 220 to the outer periphery of the wiping member 220;

[0108] 8. The jacking assembly 330 and the sinking assembly 320 are reset, and the battery carrying assembly drives the battery to abut against the elastic buffer part 221 at the lower end of the wiping member 220;

[0109] 9. The first driving member 210 drives the wiping member 220 to rotate around the vertical axis of the wiping member 220 to realize wiping and cleaning of the battery liquid injection port;

[0110] 10. After the cleaning of the battery liquid injection port is completed, the battery carrying assembly removes the battery from below the wiping member 220, and the second transfer mechanism 800 drives the wiping member 220, the first clamping assembly 310 and the wiping cloth to move from the wiping station to the recycling station;

[0111] 11. The first clamping assembly 310 releases the wiping cloth, and the wiping cloth is recycled into the recycling box 700.

[0112] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. Wiping device, characterized in that The application relates to a battery cleaning device. The battery cleaning device comprises: a feeding structure; an impregnation mechanism (100), which can deliver a wiping cloth with a preset length to an output end of the impregnation mechanism (100), and impregnate the wiping cloth with a cleaning liquid; a clamping mechanism (300) and a wiping mechanism (200), which can clamp and fix the wiping cloth impregnated with the cleaning liquid on an output end of the wiping mechanism (200); 2. The wiping device of claim 1, wherein the wiping mechanism (200) can abut the wiping cloth impregnated with the cleaning liquid with a liquid injection port of a battery, and drive the wiping cloth impregnated with the cleaning liquid to move along a surface of the liquid injection port of the battery. The impregnation mechanism (100) comprises: a liquid storage tank (130) for storing the cleaning liquid; a driving pump (110), an input end of which is in communication with the liquid storage tank (130); and 3. The wiping device of claim 1, wherein, an impregnation nozzle (120) connected with an output end of the driving pump (110), and the driving pump (110) is configured to drive the cleaning liquid in the liquid storage tank (130) to be discharged along the impregnation nozzle (120). The wiping mechanism (200) comprises: a first driving member (210); 4. The wiping device of claim 3, wherein a wiping member (220) connected with the first driving member (210), the clamping mechanism (300) can wrap the wiping cloth impregnated with the cleaning liquid on a surface of the wiping member (220) from bottom to top, a lower end of the wiping member (220) abuts the liquid injection port of the battery, and the first driving member (210) can drive the wiping member (220) to rotate around a vertical axis of the wiping member (220).

5. The wiping device of claim 1, wherein, The lower end of the wiping member (220) is provided with an elastic buffer portion (221), and the wiping cloth is wrapped on a surface of the elastic buffer portion (221). The clamping mechanism (300) comprises: a docking member (340) connected with the feeding structure, the feeding structure can drive the docking member (340), the wiping cloth and an output end of the wiping mechanism (200) to be sequentially arranged from bottom to top, the docking member (340) has a sleeving cavity for accommodating the output end of the wiping mechanism (200), and an upper end surface of the sleeving cavity is provided with an opening through which the output end of the wiping mechanism (200) passes; a jacking assembly (330) connected with the docking member (340), the jacking assembly (330) can drive the docking member (340) to move in a vertical direction, so that the docking member (340) is sleeved on an outer periphery of the output end of the wiping mechanism (200) and clamps the wiping cloth between the output end of the wiping mechanism (200) and the docking member (340). And / or, a settling assembly (320) connected with the wiping mechanism (200), the settling assembly (320) being capable of driving the wiping mechanism (200) to move in a vertical direction, so that the docking piece (340) is sleeved on the outer periphery of the output end of the wiping mechanism (200) and clamps the wiping cloth between the output end of the wiping mechanism (200) and the docking piece (340); and A first clamping assembly (310) capable of clamping and fixing the wiping cloth located between the output end of the wiping mechanism (200) and the docking piece (340) and the output end of the wiping mechanism (200) in a horizontal direction.

6. The wiping device of claim 5, wherein, The first clamping assembly (310) comprises: A second driving member (311); and Two first clamping jaws (312) oppositely arranged in a horizontal direction, both of which are connected with the output end of the second driving member (311), and the output end of the wiping mechanism (200) is located between the two first clamping jaws (312), The side wall of the docking piece (340) is provided with two avoidance grooves (341) oppositely arranged in a horizontal direction, each of which is directly opposite to one of the first clamping jaws (312) in the horizontal direction in the state that the docking piece (340) is sleeved on the output end of the wiping mechanism (200), and the second driving member (311) is capable of driving the two first clamping jaws (312) to move towards or away from each other.

7. The wiping device of claim 1, wherein, The feeding structure comprises: A traction mechanism (400) capable of pulling and fixing a wiping cloth strip of a preset length in a preset direction; A cutting mechanism (500) capable of cutting the wiping cloth strip into a preset number of wiping cloths of a preset length and clamping and fixing each of the cutting-formed wiping cloths individually; A first transfer mechanism (600) capable of sequentially transferring all the wiping cloths to the soaking mechanism (100) and the wiping mechanism (200); Each of the wiping cloths is correspondingly arranged with one output end of the wiping mechanism (200) and one battery, the soaking mechanism (100) is capable of synchronously soaking all the wiping cloths, and the clamping mechanism (300) is capable of synchronously clamping and fixing all the wiping cloths.

8. The wiping device of claim 7, wherein, The traction mechanism (400) comprises: A first clamping assembly (420) capable of clamping and fixing the free end of the wiping cloth roll; A second clamping assembly (430) capable of clamping and fixing the free end of the wiping cloth roll; and A third driving member (410), the second clamping assembly (430) is connected with the output end of the third driving member (410), and the third driving member (410) is configured to drive the second clamping assembly (430) to move in the preset direction.

9. The wiping device of claim 8, wherein, The cutting mechanism (500) comprises: A plurality of third clamping assemblies (510) are connected with the first transfer mechanism (600), and the plurality of third clamping assemblies (510) are arranged at intervals along the preset direction, and the third clamping assemblies (510) are used for clamping the wiping cloth belt; A plurality of cutting assemblies (520) are arranged at intervals along the preset direction between any two adjacent third clamping assemblies (510), and the cutting assemblies (520) are used for cutting the wiping cloth belt.

10. The wiping device of claim 1, wherein, The wiping device further comprises: A recovery box (700), the wiping device has a wiping station and a recovery station, the battery is located at the wiping station, the recovery box (700) is located at the recovery station, and the recovery box (700) is used for collecting the wiping cloth after wiping the battery; A second transfer mechanism (800) is used for driving the wiping mechanism (200) and the clamping mechanism (300) to switch between the wiping station and the recovery station.

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