WO2023071727A1 - 一种电芯贴胶设备及电芯贴胶设备的制作方法 - Google Patents

一种电芯贴胶设备及电芯贴胶设备的制作方法 Download PDF

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Publication number
WO2023071727A1
WO2023071727A1 PCT/CN2022/123862 CN2022123862W WO2023071727A1 WO 2023071727 A1 WO2023071727 A1 WO 2023071727A1 CN 2022123862 W CN2022123862 W CN 2022123862W WO 2023071727 A1 WO2023071727 A1 WO 2023071727A1
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WO
WIPO (PCT)
Prior art keywords
glue
roller
tape
clamping
cell
Prior art date
Application number
PCT/CN2022/123862
Other languages
English (en)
French (fr)
Inventor
杨坤
林纲
范翔
王腾腾
Original Assignee
江苏时代新能源科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏时代新能源科技有限公司 filed Critical 江苏时代新能源科技有限公司
Priority to EP22877668.8A priority Critical patent/EP4212462A4/en
Publication of WO2023071727A1 publication Critical patent/WO2023071727A1/zh
Priority to US18/341,789 priority patent/US11975493B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5092—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the tape handling mechanisms, e.g. using vacuum
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/005—Dispensers, i.e. machines for unwinding only parts of web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/0013—Article or web delivery apparatus incorporating cutting or line-perforating devices and applying the article or the web by adhesive to a surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/065—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0066—Cutting members therefor having shearing means, e.g. shearing blades, abutting blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/16—Cam means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3468—Batteries, accumulators or fuel cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B65H2403/51—Cam mechanisms
    • B65H2403/513—Cam mechanisms involving elongated cam, i.e. parallel to linear transport path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B65H2403/51—Cam mechanisms
    • B65H2403/514—Cam mechanisms involving eccentric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/11—Length
    • B65H2511/112—Length of a loop, e.g. a free loop or a loop of dancer rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/72—Fuel cell manufacture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present application relates to the technical field of electrochemical devices, and in particular to a cell gluing device and a manufacturing method of the cell gluing device.
  • lithium batteries Due to the advantages of high energy density and light weight, lithium batteries are widely used in portable electronic devices, electric vehicles and other technical fields. During the production process of lithium batteries, it is necessary to weld the battery tabs of the lithium battery, and after the tabs are welded, it is necessary to apply glue to the welded part to fix and insulate the tabs.
  • the purpose of the embodiment of the present application is to provide a cell gluing device and a manufacturing method of the cell gluing device.
  • the first aspect of the embodiment of the present application provides a cell gluing equipment
  • the cell gluing equipment includes: a tooling plate, used to carry the battery; a clamping and pulling mechanism, located above the tooling plate, clamping and pulling the rubber
  • the mechanism is used to clamp the tape and drive the tape to move horizontally and close to the battery core;
  • the glue cutting mechanism is located upstream of the tooling plate along the conveying direction of the tape, and the glue cutting mechanism is used to cut the tape into tape segments
  • the gluing mechanism is located on the top of the tooling board.
  • the gluing mechanism is used to press and paste the tape segment on the area to be glued;
  • the driving mechanism is connected to the clamping and pulling mechanism, the gluing mechanism and the gluing mechanism to drive synchronously. Clamping and pulling mechanism, glue cutting mechanism and glue applying mechanism.
  • the tape passes through the glue cutting mechanism and the gluing structure in sequence, and is pressed and pasted on the cell under the action of the gluing mechanism.
  • the conveying path is short, and the cooperation between each mechanism is tight, which increases the gluing efficiency of the battery gluing equipment.
  • the driving mechanism uses the same motor to drive multiple mechanisms synchronously, which further improves the working efficiency of the battery gluing equipment. On the basis of this, the volume and energy consumption of the cell gluing equipment are reduced.
  • the driving mechanism includes a motor and a transmission assembly, and the motor is connected to the clamping and pulling mechanism, the glue cutting mechanism and the glue application mechanism through the transmission assembly, so as to synchronously drive the clamping and pulling mechanism, the glue cutting mechanism and the glue application mechanism.
  • the cell gluing equipment further includes a glue preparation mechanism, which is located on the side of the glue cutting mechanism away from the tooling board, and the glue preparation mechanism is used to carry the tape and transport the tape toward the tooling board.
  • the drive mechanism includes: an output shaft; and at least one cam drive group, the at least one cam drive group is driven by the output shaft.
  • the cam driving group includes: a cam fixedly connected to the output shaft; a roller arranged on the first connecting plate, and the cam abuts against the roller; a first connecting plate and a connecting rod, and the roller arranged on the first connecting plate and the cam is in contact with the roller, one end of the connecting rod is connected with the first connecting plate, the other end of the connecting rod is connected with the mechanism to be driven, and the cam drives the connecting rod to move in the vertical direction through the roller and the first connecting plate.
  • the mechanism is at least one of a clamping and pulling mechanism, a glue cutting mechanism and a glue applying mechanism.
  • the connecting rod includes a first section and a second section, the first section and the second section are threaded, and the depth of the threaded connection between the first section and the second section is adjustable. Therefore, the overall length of the connecting rod can be adjusted by adjusting the threading depth of the first section and the second section, so the initial position of the connecting rod movement and the completion of the action can be changed without replacing the connecting rod position, so that the initial position of the movement of the connecting rod and the position at which the action is completed can be precisely adjusted.
  • each cam drive group further includes a first rod end bearing, one end of the connecting rod is connected to the first connecting plate through the first rod end bearing, the first rod end bearing is threadedly connected to the connecting rod, and the connecting rod is connected to the connecting rod.
  • the threaded connection depth of the first rod end bearing is adjustable; and/or each cam drive group also includes a second rod end bearing, the other end of the connecting rod is connected with the mechanism to be driven through the second rod end bearing, and the second rod end bearing It is threadedly connected with the connecting rod, and the threaded connection depth of the connecting rod and the second rod end bearing is adjustable.
  • the driving mechanism further includes an encoder, and the encoder is used to control the rotation angle of the cam.
  • the encoder is used to monitor the rotation angle of the output shaft, so as to determine the rotation angle of multiple cams set on the output shaft at a certain moment or within a preset period of time, thereby increasing the position accuracy and consistency of each cam during work , which reduces the possibility of cam-to-cam collisions due to misalignment of one or more cams.
  • the battery glue sticking equipment further includes a glue opening mechanism, the glue opening mechanism is located between the glue preparation mechanism and the glue cutting mechanism, and the glue opening mechanism is used to provide downward pressure for the tape, so that at least part of the tape is separated from the glue preparation mechanism.
  • the ungluing mechanism is used to exert downward pressure on the tape, so that part of the tape is peeled off from the tape roll to realize the ungluing of the tape roll, so that the unglued tape is transported towards the cell to be glued.
  • the cell gluing equipment also includes a mounting plate
  • the glue opening mechanism includes a first passing roller, a second passing roller, and a third passing roller arranged on the mounting plate, and the second passing roller is located between the first passing roller and the 3rd passing roller.
  • the adhesive tape passes through the highest point of the first passing roller, the lowest point of the second passing roller and the highest point of the third passing roller.
  • the second passing roller drives the adhesive tape to move vertically, providing downward pressure for the adhesive tape to realize the adhesive release of the adhesive tape.
  • the first passing roller, the second passing roller and the third passing roller are jointly used to support and guide the adhesive tape.
  • the glue opening mechanism also includes a first track arranged on the mounting plate and extending in the vertical direction, the second passing roller is slidably connected to the first track; the motor is used to synchronously drive the clamping and pulling mechanism and the glue cutting mechanism , Gluing mechanism and the second roller.
  • the core sticking equipment also includes a first guide roller and a second guide roller, the first guide roller and the second guide roller are located between the glue opening mechanism and the glue cutting mechanism, and the adhesive tape passes through the lowest point of the first guide roller in sequence and the highest point of the second guide roller.
  • the first guide roller and the second guide roller are used to support and guide the adhesive tape, so that the adhesive tape is in a tight state, reducing the probability of adhesive tape adhesion and wrinkles.
  • the glue preparation mechanism includes a tape installation roller and a brake connected to the tape installation roller. During the process, due to the rotation inertia and other reasons, the tape will be glued too much, resulting in the probability of sticking and wrinkling of the tape.
  • the cell gluing equipment further includes a glue-pressing mechanism, which is located on a side of the glue-cutting mechanism away from the tooling board, and the glue-pressing mechanism is used for fixing the adhesive tape.
  • the gluing mechanism includes a supporting block and a gluing slider positioned above the supporting block, the gluing slider can move vertically, and the adhesive tape is located between the gluing slider and the supporting block; the driving mechanism and the gluing The sliders are connected to synchronously drive the clamping and pulling mechanism, the glue cutting mechanism, the glue applying mechanism and the glue pressing slider.
  • the gluing mechanism includes a second guide rail extending in the vertical direction and a pressing block structure slidingly connected with the second guide rail, the driving mechanism is connected with the pressing block structure to drive the pressing block structure to slide relative to the second guide rail, Thus, the adhesive tape under the pressing block structure is driven to move down to be attached to the battery core.
  • the pressing block structure includes a first pressing block, at least one first connecting rod, at least one second connecting rod, and a second pressing block, the first pressing block is connected to the transmission assembly, and the first pressing block passes through at least one The first connecting rod and at least one second connecting rod are connected to the second pressing block, and at least one first connecting rod or at least one second connecting rod includes an elastic member.
  • the first pressing block and the second pressing block are connected through the first connecting rod or the second connecting rod. Since the first connecting rod or the second connecting rod has an elastic member, the pressing block structure moves downward as a whole and connects with the electric core of the battery cell.
  • the elastic member buffers the briquetting structure while providing a space for the briquetting structure to continue to move down, so that part of the briquetting structure continues to move down to contact with the battery tab, so that the adhesive tape can be attached to the The large surface of the battery core and the tab of the battery core.
  • the driving mechanism also includes a cylinder assembly;
  • the clamping and pulling mechanism includes a first clamping block and a second clamping block, and the cylinder assembly is connected with the first clamping block and/or the second clamping block to drive the first clamping block And/or the second clamping block moves vertically.
  • the tape is located between the first clamping block and the second clamping block in the vertical direction, and the movement of the first clamping block and/or the second clamping block is controlled by the cylinder assembly to control the first clamping block and the second clamping block to clamp the tape together .
  • the second aspect of the embodiment of the present application provides a method for manufacturing battery cell gluing equipment.
  • the manufacturing method includes: providing a tooling plate, which is used to carry the battery cells; providing a clamping and pulling mechanism, and a clamping and pulling mechanism Located above the tooling board, the clamping and pulling mechanism is used to clamp the tape and drive the tape to move horizontally and close to the battery cell; provide a glue cutting mechanism, along the conveying direction of the tape, the glue cutting mechanism is located in front of the tooling board, The glue cutting mechanism is used to cut the tape into tape segments; the glue applying mechanism is provided, the glue applying mechanism is located above the tooling plate, and the glue applying mechanism is used to press and paste the tape section on the battery cell; the driving mechanism is provided, and the driving mechanism is connected to the clamping pull The glue mechanism, the glue cutting mechanism and the glue applying mechanism are used to synchronously drive the clamping and pulling mechanism, the glue cutting mechanism and the glue applying mechanism.
  • Fig. 1 is a kind of front view of the cell gluing equipment in some embodiments of the present application
  • Fig. 2 is a kind of structural diagram of the cell glue sticking equipment in some embodiments of the present application.
  • Fig. 3 is an enlarged view of area A in Fig. 2;
  • Fig. 4 is another structural diagram of the cell gluing equipment in some embodiments of the present application.
  • Fig. 5 is a partial structural diagram of the cell gluing equipment in some embodiments of the present application.
  • Fig. 6 is a side view of the cell gluing equipment in some embodiments of the present application.
  • Fig. 7 is a flow chart of a manufacturing method of the cell gluing equipment in some embodiments of the present application.
  • “Plurality” in this application refers to two or more (including two).
  • the battery cells mentioned in the embodiments of the present application may also be referred to as battery cells, which are used to form a battery, and the battery may include one or more battery cells to provide higher voltage and capacity.
  • a battery generally includes a case for enclosing one or more battery cells.
  • the box body can prevent liquid or other foreign matter from affecting the charging or discharging of the battery cell.
  • the single cell may include an aluminum shell cell, a pouch cell, a cylindrical cell, etc., which is not limited in this embodiment of the present application.
  • the single battery cell may be in the form of a cylinder, a flat body, a cuboid or other shapes, which is not limited in this embodiment of the present application.
  • a battery pack generally includes a box for encapsulating one or more battery cells.
  • the box can prevent liquid or other foreign matter from affecting the charging or discharging of the battery cells.
  • the box body is generally composed of a cover body and a box shell.
  • BMS battery management system
  • thermal management components on one or more battery modules.
  • BMS battery management system
  • the level of the battery module can be omitted, that is, the battery pack is formed directly from the battery cells. This improvement has improved the gravimetric energy density and volumetric energy density of the battery system while significantly reducing the number of components.
  • the batteries mentioned in this application include battery modules or battery packs.
  • batteries such as mobile phones, portable devices, notebook computers, battery cars, electric toys, electric tools, electric vehicles, ships and spacecraft, etc.
  • spacecraft include Airplanes, rockets, space shuttles and spaceships, etc.
  • a cell unit includes an electrode assembly, a cell case, and an electrode terminal connected to the electrode assembly and drawn out from the cell case, wherein the electrode terminal may also be referred to as a tab.
  • the electrode terminal may also be referred to as a tab.
  • After forming the battery cell it is necessary to weld the tabs of the battery core, and after welding the tabs, it is necessary to weld the welding part of the tabs. Apply glue to fix and insulate the battery tabs.
  • Cell gluing equipment needs to complete the processes of pulling glue, pressing glue, and cutting glue, so the cell gluing equipment usually includes multiple mechanisms.
  • the current cell gluing equipment does not cooperate closely between the various mechanisms, and the gluing efficiency is low. Low, and multiple mechanisms need to be driven by different driving devices, which makes the battery cell gluing equipment larger in size and higher in energy consumption.
  • the inventor has developed a new type of cell gluing equipment, that is, the cell gluing equipment of the present application.
  • the same drive mechanism to synchronously drive multiple mechanisms, it improves On the basis of the working efficiency of the cell gluing equipment, reduce the volume and energy consumption of the cell gluing equipment.
  • horizontal direction and vertical direction refer to the horizontal direction and the vertical direction shown in FIG. 1 .
  • the cell gluing equipment provided by the embodiment of the first aspect of the present application includes a tooling plate 1 , a clamping and pulling mechanism 3 , a glue cutting mechanism 4 , a gluing mechanism 5 and a driving mechanism 6 .
  • the tooling plate 1 is used to carry the electric core 11 .
  • the clamping and pulling mechanism 3 is located above the tooling plate 1 , and the clamping and pulling mechanism 3 is used for clamping the tape 21 and driving the tape 21 to move horizontally and toward the battery cell 11 .
  • the glue cutting mechanism 4 is located in front of the tooling plate 1 , and the glue cutting mechanism 4 is used to cut the tape 21 into tape segments.
  • the glue applying mechanism 5 is located above the tooling board 1 , and the glue applying mechanism 5 is used to press and stick the tape segment to the battery cell 11 .
  • the driving mechanism 6 includes a motor 61 and a transmission assembly 62.
  • the motor 61 is connected to the clamping and pulling mechanism 3, the glue cutting mechanism 4 and the glue application mechanism 5 through the transmission assembly 62, so as to synchronously drive the clamping and pulling mechanism 3, the glue cutting mechanism 4 and the Gluing mechanism 5.
  • the area to be glued on the battery cell 11 can be the tab area of the battery cell 11, or it can be each side surface of the main body of the battery cell 11. This is not specifically limited.
  • the glue-applying mechanism 5 is used for pressing and pasting the tape on the area of the cell 11 to be glued.
  • the motor 61 in the driving mechanism 6 drives the clamping and pulling mechanism 3 to clamp the tape 21 through the transmission assembly 62 and drives the tape 21 to move horizontally, The adhesive tape 21 is moved in a direction close to the tooling plate 1 and the battery core 11 .
  • the driving mechanism 6 controls the glue cutting mechanism 4 to move horizontally and vertically to the side of the adhesive tape 21, and cuts the adhesive tape 21 delivered to the glue cutting mechanism 4 into tape segments, and after the glue cutting mechanism 4 cuts the adhesive tape 21 , the jaws 33 of the clamping and pulling mechanism 3 are opened, and then the gluing mechanism 5 presses the adhesive tape 21 toward the cell 11, so that the cut tape segment is pasted on the area to be glued on the cell 11, such as pasting on the cell 11 at the pole ear, realize the battery cell 11 pasting glue.
  • the battery cell 11 is glued together by the clamping and pulling mechanism 3 , the glue cutting mechanism 4 and the gluing mechanism 5 , which has a high degree of automation. And driven by the clamping and pulling mechanism 3 on the battery cell 11, the adhesive tape 21 passes through the glue cutting mechanism 4 and the gluing mechanism 5 in sequence, and is pressed and pasted on the battery cell 11 under the action of the gluing mechanism 5, and the adhesive tape 21
  • the conveying path is short, and the cooperation between each mechanism is tight, which increases the glue application efficiency of the battery glue glue equipment.
  • the drive mechanism 6 uses the same motor 61 to drive multiple mechanisms synchronously, which further improves the battery glue glue equipment. On the basis of working efficiency, the volume and energy consumption of the cell glue sticking equipment are reduced.
  • the driving mechanism 6 further includes a cylinder assembly (not shown).
  • the clamping and pulling mechanism 3 includes a first clamping block 35 and a second clamping block 36, and the cylinder assembly is connected with the first clamping block 35 and/or the second clamping block 36 to drive the first clamping block 35 and/or the second clamping block Block 36 moves in the vertical direction.
  • the adhesive tape 21 is located between the first clamping block 35 and the second clamping block 36, and the cylinder assembly is used to drive the first clamping block 35 and/or the second clamping block 36 along the vertical direction.
  • Direction movement so that the first clamping block 35 and the second clamping block 36 clamp the adhesive tape 21 together.
  • the first clamping block 35 can be fixed, and when the adhesive tape 21 needs to be clamped, the cylinder assembly drives the second clamping block 36 to move towards the direction close to the first clamping block 35 until the first clamping block 35 and the second clamping block
  • the clamping block 36 can clamp the adhesive tape 21 .
  • the second clamping block 36 is controlled to move away from the first clamping block 35 to release the adhesive tape 21 .
  • the second clamping block 36 can be fixed.
  • the cylinder assembly is used to drive the first clamping block 35 to move towards the direction close to the second clamping block 36 until the first clamping block 35 And the second clamping block 36 can clamp the adhesive tape 21 .
  • the first clamping block 35 is controlled to move away from the second clamping block 36 to release the adhesive tape 21 .
  • the cylinder assembly can drive the first clamping block 35 and the second clamping block 36 to move.
  • the cylinder assembly drives the first clamping block 35 and the second clamping block 36 to move in the direction of approaching , until the first clamping block 35 and the second clamping block 36 can clamp the adhesive tape 21 .
  • the first clamping block 35 and the second clamping block 36 are controlled to move away from each other so as to loosen the adhesive tape 21 .
  • the cell gluing equipment further includes a glue preparation mechanism 2 .
  • the glue preparation mechanism 2 is located on the side of the glue cutting mechanism 4 away from the tooling board 1 , and the glue preparation mechanism 2 is used to carry the adhesive tape 21 and transport the adhesive tape 21 toward the tooling board 1 .
  • the rubber preparation mechanism 2 is used to carry the rolled adhesive tape 21.
  • the adhesive tape 21 is applied with a pulling force along the direction away from the rubber preparation mechanism 2 by clamping the rubber pulling mechanism 3, the rolled adhesive tape 21 is under the action of the pulling force. Rotate to realize the ungluing of the adhesive tape 21 and transport part of the adhesive tape 21 along the direction close to the tooling board 1 and the battery cell 11, so as to glue the battery cell 11.
  • transmission assembly 62 includes a cam drive group.
  • the cam driving group includes a cam 621 , a roller 622 , a first connecting plate 623 and a connecting rod 624 .
  • the roller 622 is disposed on the first connecting plate 623 , and the cam 621 abuts against the roller 622 .
  • One end of the connecting rod 624 is connected with the first connecting plate 623, and the other end of the connecting rod 624 is connected with the mechanism to be driven.
  • the cam 621 drives the connecting rod 624 to move in the vertical direction through the roller 622 and the first connecting plate 623.
  • the mechanism to be driven is Clamping at least one of the glue pulling mechanism 3 , the glue cutting mechanism 4 and the glue applying mechanism 5 .
  • the cam driving group may include a plurality of cams 621, and the number of the cams 621 corresponds to the number of mechanisms in the cell gluing equipment or the number of components to be driven in multiple mechanisms.
  • the plurality of cams 621 includes a first cam 6211 , a second cam 6212 , a third cam 6213 , a fourth cam 6214 and a fifth cam 6215 .
  • the connection between the first cam 6211, the second cam 6212, the third cam 6213, the fourth cam 6214 and the fifth cam 6215 and the mechanism to be driven will be described below in conjunction with the structure of each mechanism to be driven, and will not be repeated here. .
  • the drive mechanism 6 can also include an output shaft 63 connected to the motor 61, the output shaft 63 is connected to a plurality of cams 621, and the motor 61 drives the output shaft 63 to rotate, so that the output shaft 63 fixed on the output shaft
  • the multiple cams 621 on 63 rotate synchronously, so as to realize the synchronous driving of the motor 61 to each mechanism in the cell gluing equipment.
  • the connection between each mechanism and the cam 621 will be described below in conjunction with the specific structures of the clamping and pulling mechanism 3 , the glue cutting mechanism 4 and the glue applying mechanism 5 , and will not be repeated here.
  • the motor 61 drives a plurality of cams 621 through the output shaft 63, and then drives the connecting rod 624 connected to it through the plurality of cams 621 to perform circular reciprocating linear motion, and the plurality of cams 621 move synchronously and do not interact with each other. Interference makes the stability of the cam drive group higher.
  • the motor 61 drives a plurality of cams 621 to rotate synchronously through the output shaft 63, thereby driving the to-be-driven mechanism connected to each cam 621 to operate.
  • the output shaft 63 rotates one revolution
  • the plurality of cams 621 rotates correspondingly one revolution
  • each The driving mechanism jointly completes a gluing process, which makes the cell gluing equipment more stable and sustainable.
  • the roller 622 and the connecting rod 624 are arranged on the first connecting plate 623, and the first connecting plate 623 transmits between the cam 621 and the connecting rod 624, which further increases the stability of the cam driving group when moving.
  • the connecting rod 624 may also be directly connected to the cam 621 through the roller 622, which is not specifically limited in this embodiment of the present application.
  • the output shaft 63 in the driving mechanism 6 is a worm gear output shaft.
  • the cam driving group is driven by the output shaft of the worm gear, which increases the reduction ratio of the cam driving group and makes the torque of the output shaft 63 larger, increasing the sustainability of the movement of the connecting rod 624 .
  • the connecting rod 624 includes a first section 6241 and a second section 6242 , the first section 6241 is screwed to the second section 6242 , and the first section 6241
  • the depth of the threaded connection with the second section 6242 is adjustable. Specifically, as shown in Figures 1 and 4, the upper end of the first section 6241 is connected to the mechanism to be driven, and the lower end of the second section 6242 is connected to the first connecting plate 623.
  • the screw-in depth of the segment 6242 is adjustable, and the overall length of the connecting rod 624 can be adjusted by adjusting the screw-in depth of the first segment 6241 and the second segment 6242, so that the connecting rod 624 can be replaced without
  • the initial moving position and the completed position of the connecting rod 624 can be changed, so that the initial moving position and the completed position of the connecting rod 624 can be precisely adjusted.
  • the cam driving group includes a first rod end bearing 625 and a second rod end bearing 626, and one end of the connecting rod 624 is connected to the first connecting plate 623 through the first rod end bearing 625, and connected The other end of the rod 624 is connected with the mechanism to be driven through the second rod end bearing 626 .
  • the mechanism to be driven may be the clamping and pulling mechanism 3, the glue cutting mechanism 4, the glue applying mechanism 5, etc. of the cell glue sticking equipment.
  • Both the first rod end bearing 625 and the second rod end bearing 626 include a rod end and a bearing end. As shown in FIG. 4 , the rod end of the first rod end bearing 625 is connected to one end of the connecting rod 624 , and the bearing end of the first rod end bearing 625 can be connected to the first connecting plate 623 through fasteners such as bolts and screws.
  • the rod end of the second rod end bearing 626 is connected to the other end of the connecting rod 624 , and the bearing end of the second rod end bearing 626 is connected to the mechanism to be driven.
  • There are various ways to connect the first rod-end bearing 625 and the second rod-end bearing 626 to the connecting rod 624 which is not specifically limited in this embodiment of the present application.
  • the first rod-end bearing 625 and the second rod-end bearing 626 are screwed to the connecting rod 624 , and the screw connection depths of the connecting rod 624 and the first rod-end bearing 625 and the second rod-end bearing 626 are adjustable. By adjusting the depth at which the two ends of the connecting rod 624 are screwed into the first rod end bearing 625 and the second rod end bearing 626, the distance between the first rod end bearing 625 and the second rod end bearing 626 can be adjusted.
  • the connecting rod 624 is replaced, the initial moving position and the completed position of the connecting rod 624 can be changed, so that the moving initial position and the completed position of the connecting rod 624 can be precisely adjusted.
  • connection between the first rod end bearing 625 and the second rod end bearing 626 and the connecting rod 624 is a key connection or an interference connection.
  • first rod end bearing 625 and the second rod end bearing 626 are welded to the connecting rod 624 .
  • the driving mechanism 6 further includes an encoder 64 for controlling the rotation angle of the cam 621 .
  • the encoder 64 is arranged on the output shaft 63, and the encoder 64 is used to monitor the rotation angle of the output shaft 63, thereby determining that a plurality of cams arranged on the output shaft 63 are at a certain moment or a preset time period Therefore, the position accuracy and consistency of each cam 621 in the working process are increased, and the possibility of collision between the cams 621 caused by the position deviation of one or more cams 621 is reduced.
  • the encoder 64 includes but not limited to an incremental encoder, an absolute encoder, a hybrid absolute encoder, and the like.
  • the glue preparation mechanism 2 includes an adhesive tape installation roller 22 and a brake 23 connected to the adhesive tape installation roller 22, the adhesive tape 21 is installed on the adhesive tape installation roller 22, and the brake 23 is used to control the adhesive tape installation roller 22.
  • the rotational state of the roller 22 is installed.
  • the cell gluing equipment includes a mounting plate 100 , and the tape mounting roller 22 is pivotally mounted on the mounting plate 100 .
  • the tape installation roller 22 is used to carry the rolled tape 21.
  • the clamp pull mechanism 3 pulls the tape 21 in the horizontal direction and away from the glue preparation mechanism 2, the tape installation roller 22 rotates under the action of the tension to realize the adhesive tape 21. glue opening and conveying.
  • the brake 23 is used to apply resistance to the tape installation roller 22, and when the brake 23 is turned on, the tape installation roller 22 stops rotating.
  • the brake 23 is used to control the rotation state of the tape installation roller 22, such as controlling whether the tape installation roller 22 rotates, the rotation time and the number of rotations, etc.
  • the brake 23 is closed, so that the tape installation roller 22 can rotate and deliver the tape 21 to the battery cell 11 on the tooling board 1 .
  • the brake 23 is turned on, and the tape installation roller 22 stops rotating, which limits the amount of glue opening of the tape 21, thereby reducing the speed of the tape 21 due to rotational inertia and other reasons during the conveying process of the tape 21.
  • the brake 23 includes a magnetic powder clutch.
  • the cell glue sticking equipment also includes a glue opening mechanism 7, which is located between the glue preparation mechanism 2 and the glue cutting mechanism 4, and the glue opening mechanism 7 is used to provide downward pressure for the adhesive tape 21. Pressure, so that at least part of the adhesive tape 21 is separated from the glue preparation mechanism 2.
  • the adhesive tape installation roller 22 is loaded with an adhesive tape roll, and the ungluing mechanism 7 is used to apply downward pressure to the adhesive tape 21, so that part of the adhesive tape 21 is peeled off from the adhesive tape roll to realize the ungluing of the adhesive tape roll, so that the unglued adhesive tape 21 Transport towards the battery cell 11 to be glued.
  • the length of at least part of the adhesive tape 21 peeled off from the film is greater than or equal to the length of the adhesive tape section attached to the battery cell 11 .
  • the ungluing mechanism 7 includes a first passing roller 71, a second passing roller 72 and a third passing roller 73 arranged on the mounting plate 100, and the second passing roller 72 is located between the first passing roller 71 and the third passing roller. 73, and the second roller 72 can move vertically, and the adhesive tape 21 passes through the highest point of the first roller 71, the lowest point of the second roller 72 and the highest point of the third roller 73.
  • the first passing roller 71, the second passing roller 72 and the third passing roller 73 are all pivotally mounted on the mounting plate 100, that is, the first passing roller 71, the second passing roller 72 and the third passing roller 73 Can rotate around its own axis.
  • the tape 21 passes the lowest point of the second passing roller 72, and the second passing roller 72 can move in the vertical direction, so the second passing roller 72 drives the tape 21 move together in the vertical direction, providing downward pressure for the adhesive tape 21.
  • the second passing roller 72 moves below the tape roll on the tape installation roller 22 , part of the tape 21 is separated from the tape roll under the action of the second passing roller 72 , so that the adhesive tape 21 is released.
  • the first passing roller 71 and the third passing roller 73 are respectively located on two sides of the second passing roller 72 for supporting the tape 21 and guiding the tape 21 .
  • the tape roll is cylindrical, and along the height direction, the height of the axis of the first roller 71 is higher than the height of the lowest generatrix of the cylindrical tape roll, so that it is located between the tape installation roller 22 and the first roller 71.
  • the adhesive tape 21 in between is tangent to the outer side of the tape roll or forms an acute angle with the tape roll, which reduces the pulling force required for ungluing the adhesive tape 21 and ensures the stability of the ungluing mechanism 2 .
  • the cell gluing equipment further includes a first guide roller 8 and a second guide roller 9 , and the first guide roller 8 and the second guide roller 9 are located between the glue opening mechanism 7 and the glue cutting mechanism 4 Between, the adhesive tape 21 passes through the lowest point of the first guide roller 8 and the highest point of the second guide roller 9 in sequence.
  • the first guide roller 8 and the second guide roller 9 are used to support the adhesive tape 21 and guide the adhesive tape 21 .
  • the adhesive tape 21 passes through the highest point of the first passing roller 71, the lowest point of the second passing roller 72, the highest point of the third passing roller 73, the first guide roller 8
  • the lowest point and the highest point of the second guide roller 9 make the adhesive tape 21 in a tight state, reducing the probability of adhesive tape adhesion and wrinkles.
  • both ends of the passing rollers are provided with annular protrusions
  • the adhesive tape 21 is located between the two annular protrusions of each passing roller, and the two annular protrusions limit the adhesive tape 21, reducing the transmission process of the adhesive tape 21.
  • the passing roller is coated with a coating to protect the passing roller and reduce the probability of the passing roller being corroded.
  • the coating also serves to reduce the probability of the adhesive tape 21 sticking to the rollers.
  • the coating includes but not limited to Teflon coating, ceramic coating and the like.
  • the passing roller is provided with a toothed structure to reduce the contact area between the tape 21 and the passing roller, further reducing the probability of the adhesive tape 21 sticking to the passing roller.
  • the ungluing mechanism 7 further includes a first track 74 arranged on the mounting plate 100 and extending along the vertical direction, and the second passing roller 72 is slidably connected to the first track 74 .
  • the motor 61 is also used to synchronously drive the clamping and pulling mechanism 3 , the glue cutting mechanism 4 , the glue applying mechanism 5 and the second roller 72 .
  • the motor 61 is also used to drive the second passing roller 72 through the transmission assembly 62 .
  • the motor 61 drives the second passing roller 72 through the first cam 6211 .
  • the glue opening mechanism 7 further includes a first slider 75 slidably connected to the first track 74 , and the second passing roller 72 is disposed on the first slider 75 .
  • One end of the connecting rod 624 is provided with a third pressing block 6243 , and the third pressing block 6243 is corresponding to the first sliding block 75 and placed above the first sliding block 75 .
  • the other end of the connecting rod 624 is connected to the first cam 6211 so that the motor 61 can drive the first slider 75 and the second passing roller 72 through the first cam 6211 and the connecting rod 624 .
  • the motor 61 drives the first cam 6211 to rotate through the output shaft 63, and the roller 622 located above the first cam 6211 moves along the edge of the first cam 6211, thereby driving the first connecting plate 623 connected to it to move vertically, Then the third briquetting block 6243 connected with it is driven by the connecting rod 624 to move, so that the first slide block 75 positioned below the third briquetting block 6243 and the second roller 72 fixedly arranged on the first slide block 75 move along the vertical direction move.
  • the first cam 6211 drives the third pressing block 6243 to move downward through the connecting rod 624, so that the third pressing block 6243 hits the first sliding block 75, so that the first sliding block 75 and the second passing roller 72 moves down. Then the first cam 6211 continues to rotate, driving the connecting rod 624 and the third pressure block 6243 to move upwards and reset. At this time, the first slider 75 and the second roller 72 are still located below under the action of their own gravity and press the tape 21 .
  • the clamping and pulling mechanism 3 clamps and pulls the adhesive tape 21
  • the clamping and pulling mechanism 3 overcomes the gravity of the first slider 75 and the second roller 72, that is, the clamping and pulling mechanism 3 drives the adhesive tape 21 and makes the adhesive tape 21 Drive the first slider 75 and the second passing roller 72 to move upward and reset.
  • the cell gluing equipment further includes a glue-pressing mechanism 10, which is located on the side of the glue-cutting mechanism 4 away from the tooling plate 1, and the glue-pressing mechanism 10 is used for Fix the tape 21.
  • the glue pressing mechanism 10 is located between the glue cutting mechanism 4 and the second guide roller 9.
  • the glue pressing mechanism 10 When the adhesive tape 21 reaches the glue pressing mechanism 10 through the second guide roller 9, the glue pressing mechanism 10
  • the adhesive tape 21 is fixed so that the adhesive tape 21 will not move or wrinkle when the adhesive cutting mechanism 4 cuts the adhesive tape 21 , which reduces the difficulty of cutting the adhesive tape 21 by the cutting mechanism 4 and improves the efficiency of the adhesive cutting mechanism 4 .
  • the gluing mechanism 10 includes a supporting block 101 and a gluing slider 102 positioned above the supporting block 101, the gluing slider 102 can move in the vertical direction, and the tape 21 is located between the gluing slider 102 and the supporting block 101. between.
  • Motor 61 is also connected with glue-pressing slide block 102 by transmission assembly 62, clamps pulling glue mechanism 3, glue-cutting mechanism 4, glue-applying mechanism 5 and glue-pressing slide block 102 with synchronous drive.
  • the adhesive tape 21 when the adhesive tape 21 is transported from the adhesive preparation mechanism 2 to the tooling plate 1 , when the adhesive tape 21 passes through the adhesive pressing mechanism 10 , the adhesive tape 21 is located between the adhesive pressing slider 102 and the supporting block 101 .
  • the motor 61 drives the adhesive slider 102 to move downward through the transmission assembly 62 until the adhesive slider 102 contacts the support block 101, and the adhesive slider 102 presses and attaches the adhesive tape 21 to the support block 101 to realize the adhesive tape 21. fixed.
  • the motor 61 drives the adhesive sliding block 102 to move vertically through the second cam 6212 .
  • the second cam 6212 in the transmission assembly 62 is connected to one end of the connecting rod 624 through the first connecting plate 623 , and the other end of the connecting rod 624 is connected to the embossing slider 102 .
  • the motor 61 drives the second cam 6212 to rotate, so that the cam 6212 drives the connecting rod 624 to move vertically through the first connecting plate 623, and then drives the glued slider 102 connected to the connecting rod 624 to move vertically.
  • the brake 23 is closed, and the motor 61 drives the second passing roller 72 and the first slider 75 to move downward through the first cam 6211, so that the second passing roller 72 drives the adhesive tape 21 to move downward
  • the support block 101 in the glue pressing mechanism 10 is attached to the glue pressing slider 102 to fix the adhesive tape 21 between the support block 101 and the glue pressing slider 102 .
  • the second cam 6212 drives the gluing slider 102 to move upward, so that the gluing mechanism 10 is opened, and at the same time, the clamping and pulling mechanism 3 drives the adhesive tape 21 to move, and the gluing mechanism 4 cuts the adhesive tape 21 into tape segments, and pastes
  • the glue mechanism 5 sticks the tape segment on the battery cell 11 to complete a glue sticking process.
  • the upper surface of the support block 101 is coated with a coating to reduce the probability of the adhesive tape 21 sticking to the support block 101 .
  • the coating includes but not limited to Teflon coating, ceramic coating and the like.
  • the height of the axis of the second guide roller 9 is lower than the height of the upper surface of the support block 101 .
  • the glue-pressing slider 102 moves upwards, and part of the adhesive tape 21 is still attached to the upper surface of the supporting block 101 .
  • the clamping and pulling mechanism 3 continues to clamp the end of the adhesive tape 21 away from the glue preparation mechanism 2, and then the clamping and pulling mechanism 3 clamps the adhesive tape 21 to move horizontally.
  • the axis height of the second guide roller 9 is higher than the height of the upper surface of the support block 101, when the clamping and pulling mechanism 3 clamps the adhesive tape 21 and applies a pulling force to the adhesive tape 21, the adhesive tape 21 is detached from the upper surface of the support block 101, Then level up and rise to a height close to the clamping and pulling mechanism 3 and the second guide roller 9 . Therefore, the probability of adhesion between the adhesive tape 21 and the upper surface of the support block 101 is reduced, and the probability of wrinkling of the adhesive tape 21 is reduced.
  • the gluing mechanism 10 further includes a third guide rail 103 disposed on the mounting plate 100 , and a third slider 104 slidably connected to the third guide rail 103 .
  • the third guide rail 103 extends along the vertical direction.
  • the third slider 104 is connected to the connecting rod 624 , and the third slider 104 is connected to the glued slider 102 .
  • the motor 61 drives the second cam 6212 through the output shaft 63
  • the second cam 6212 drives the connecting rod 624 to move in the vertical direction through the first connecting plate 623, thereby driving the third slider 104 connected with the connecting rod 624 to move on the third guide rail.
  • 103 and then drives the glued slide block 102 connected with the third slide block 104 to move vertically.
  • the gluing mechanism 5 includes a second guide rail 51 extending in the vertical direction and a pressing block structure 52 slidingly connected with the second guide rail 51 , and the motor 61 communicates with the pressing block structure through a transmission assembly 62 52 to drive the pressing block structure 52 to slide relative to the second guide rail 51 .
  • the motor 61 drives the pressing block mechanism 52 to slide relative to the second guide rail 51 through the third cam 6213 .
  • the second guide rail 51 is disposed on the installation board 100 .
  • the gluing mechanism 5 further includes a second slider 53 slidably connected to the second guide rail 51 .
  • the second sliding block 53 is connected to the connecting rod 624 of the transmission assembly 62 , and the second sliding block 53 is connected to the pressing block structure 52 .
  • the motor 61 drives the connecting rod 624 to move vertically through the third cam 6213, and then drives the second slider 53 connected to the connecting rod 624 to move on the second guide rail 51, and then drives the pressure block connected to the second slider 53
  • the structure 52 moves in the vertical direction.
  • the control block structure 52 moves downward until it contacts the adhesive tape 21 and attaches the adhesive tape 21 to the area to be glued on the battery cell 11 .
  • the gluing mechanism 5 further includes a fourth guide rail 54 disposed on the installation board 100 and a fourth slider 55 slidingly connected to the fourth guide rail 54 .
  • the gluing mechanism 5 further includes a transmission member 56 , the transmission member 56 is connected to the second slider 53 and the fourth slider 55 , and the pressing block structure 52 can be connected to the fourth slider 55 . Because the second slide block 53 and the fourth slide block 55 are connected by the transmission member 56, the motor 61 drives the second slide block 53 and the fourth slide block 55 to move on the second guide rail 51 and the fourth guide rail 54 respectively, thereby driving the second slide block 53 and the fourth slide block 55 to move with the fourth guide rail 54.
  • the pressing block structure 52 connected by four sliders 55 moves vertically.
  • the gluing mechanism 5 adopts a double guide rail structure (the second guide rail 51 and the fourth guide rail 54), which makes the pressing block structure 52 more stable during the moving process, and makes the adhesive tape 21 attached to the battery cell 11 more smooth.
  • the pressing block structure 52 includes a first pressing block 521 , at least one first connecting rod 522 , at least one second connecting rod 523 , and a second pressing block 524 .
  • the first pressing block 521 is connected with the transmission assembly 62, and the first pressing block 521 is connected with the second pressing block 524 through at least one first connecting rod 522 and at least one second connecting rod 523, at least one first connecting rod 522 or at least A second connecting rod 523 includes an elastic member.
  • the tab protrudes from one end face of the cell 11.
  • the adhesive tape 21 needs to cover the tab of the cell 11 and extend To the side surface of the battery cell 11 adjacent to the end surface where the tab is located (hereinafter referred to as the large surface of the battery cell for short).
  • the first pressing block 521 and the second pressing block 524 are connected through the first connecting rod 522 or the second connecting rod 523.
  • the pressing block structure 52 moves downward as a whole When it comes into contact with the large surface of the cell 11, the elastic member buffers the briquetting structure 52 while providing space for the briquetting structure 52 to continue to move downward, so that part of the briquetting structure 52 continues to move downward to the
  • the tabs of the battery cells are in contact so that the adhesive tape 21 can be attached to the large surface of the battery cell and the tabs of the battery cell.
  • the connecting rod with the elastic member is located above the large surface of the battery core, and the connecting rod without the elastic member is located above the tab of the battery core.
  • the second pressing block 524 includes a first part and a second part
  • the first connecting rod 522 has an elastic member and the first connecting rod 522 is connected to the first part
  • the second connecting rod 523 is connected to the second part.
  • the pressing block structure 52 includes two first connecting rods 522 and two second connecting rods 523 .
  • the glue cutting mechanism 4 includes a fixed block 41 and a cutter 42 disposed on the fixed block 41 .
  • the fixed block 41 is connected with the cam driving group so as to move horizontally and perpendicularly to the tape conveying direction under the action of the cam driving group, thereby driving the cutter 42 arranged on the fixed block 41 to move to cut the tape 21 .
  • the fixed block 41 moves horizontally and perpendicularly to the tape conveying direction.
  • the glue cutting mechanism 4 further includes a second connecting plate 43 disposed on the mounting plate 100 , a fifth track 44 disposed on the second connecting plate 43 , and a fifth slider slidingly connected to the fifth track 44 45, and the third connecting plate 46.
  • the fifth rail 44 extends along the vertical direction.
  • One end of the connecting rod 624 is connected to the fourth cam 6214 through the first connecting plate 623 , and the other end is fixedly connected to the fifth slider 45 .
  • the third connecting plate 46 is pivotally mounted on the second connecting plate 43 , one end of the third connecting plate 46 is fixedly connected to the fifth sliding block 45 , and the other end of the third connecting plate 46 is fixedly connected to the fixing block 41 .
  • the fourth cam 6214 drives the connecting rod 624 to move in the vertical direction, thereby driving the fifth slider 45 fixedly connected to it to slide relative to the fifth rail 44, and at the same time driving One end of the third connecting plate 46 fixedly connected with the fifth slider 45 moves in a substantially vertical direction, and since the third connecting plate 46 can rotate relative to the second connecting plate 43, the other end of the third connecting plate 46 Move in a substantially horizontal direction, thereby driving the fixed block 41 fixedly connected with the third connecting plate 46 to move in the horizontal direction, and then drive the cutter 42 disposed on the fixed block 41 to move to cut the adhesive tape 21 .
  • the fixing block 41 is provided with a slot, and the cutter 42 is inserted into the slot.
  • the fixing block 41 is magnetically attached to the cutter 42 .
  • the clamping and pulling mechanism 3 includes a sixth guide rail 31 arranged on the mounting plate 100 and extending in the horizontal direction, and a sixth slider slidingly connected with the sixth guide rail 31 32 and the jaw 33 fixedly connected with the sixth slider 32.
  • the motor 61 is connected with the sixth slider 32 through the cam driving group, so as to drive the sixth slider 32 to slide on the sixth guide rail 31 , thereby driving the jaw 33 fixedly connected with the sixth slider 32 to move in the horizontal direction.
  • the motor 61 drives the sixth slider 32 to slide relative to the sixth guide rail 31 through the fifth cam 6215 and the connecting rod 624 .
  • the clamping and pulling mechanism 3 further includes a fourth connecting plate 34 pivotally mounted on the mounting plate 100 .
  • One end of the fourth connecting plate 34 is connected to the connecting rod 624 , and the other end of the fourth connecting plate 34 is fixedly connected to the sixth sliding block 32 .
  • the motor 61 drives the connecting rod 624 to move in the vertical direction through the fifth cam 6215, thereby driving one end of the fourth connecting plate 34 connected to the connecting rod 624 to move in the vertical direction, and then makes the whole of the fourth connecting plate 34 Rotate relative to the mounting plate 100 to drive the other end of the fourth connecting plate 34 to move in the horizontal direction, and then drive the sixth slider 32 fixedly connected to the other end of the fourth connecting plate 34 to move on the sixth guide rail 31, thereby driving The jaw 33 connected with the sixth slider 32 moves along the water direction.
  • the gripper 33 when the gripper 33 grabs the adhesive tape 21, the gripper 33 moves horizontally and in a direction close to the glue application mechanism 5, and after grabbing the adhesive tape 21, the gripper 33 drives the tape 21 to move horizontally and away from the glue application mechanism 5 direction to move.
  • the battery glue sticking equipment includes a frame, a glue preparation mechanism 2, a clamping and pulling glue mechanism 3, a glue cutting mechanism 4, a glue applying mechanism 5, a driving mechanism 6, a glue opening mechanism 7 and a glue pressing mechanism 10 are all set on the rack.
  • the mounting plate 100 is fixedly connected with the frame.
  • the driving mechanism 6 is arranged on the frame and below the mounting plate 100, so that the overall center of gravity of the cell gluing equipment moves down, increasing the stability of the cell gluing equipment.
  • the transmission assembly 62 further includes an elastic structure connected to the cam 621 .
  • the elastic structure is used to apply pressure or tension to the cam 621 so that the cam 621 is always in close contact with the roller 622 on the first connecting plate 623 during rotation, so that the roller 622 can move along the contour of the cam 621 .
  • the elastic structure can be disposed under the cam 621 . During the rotation of the cam 621 , the elastic structure presses upward on the cam 621 through its own rebound force, so that the cam 621 keeps in close contact with the roller 622 above the cam 621 during the rotation.
  • the elastic structure can also be disposed above the cam 621 .
  • the elastic structure exerts an upward pulling force on the cam 621 through its own retracting force, so that the cam 621 keeps in close contact with the roller 622 above the cam 621 during the rotation.
  • the elastic structure includes but not limited to a spring, a shrapnel, and the like.
  • the cam 621 may include a first cam 6211, a second cam 6212, a third cam 6213, a fourth cam 6214 and a fifth cam 6215, and each cam 6215 is correspondingly provided with a first connection Board 623.
  • the five cams some of the cams can adopt the upper fixed structure of the elastic structure, and the other part can adopt the lower fixed structure of the elastic structural member, so that the space inside the cell gluing equipment can be fully utilized, thereby saving the cost of the cell gluing equipment.
  • the internal space reduces the volume of the cell glue sticking equipment. In one example, as shown in FIG. 4 and FIG.
  • the third cam 6213 (drives the glue application mechanism 5), the fourth cam 6214 (drives the glue cutting mechanism 4) and the fifth cam 6215 (drives the clamping and pulling mechanism 3)
  • the lower fixed structure of the elastic structure is adopted, and the first cam 6211 (to drive the glue opening mechanism 7) and the second cam 6212 (to drive the glue pressing mechanism 10) adopt the upper fixed structure of the elastic structure.
  • the cam 621 can be connected with the mechanism to be driven through two connecting rods 624 (upper connecting rod 6244 and lower connecting rod 6245).
  • the cam driving group further includes a first intermediate piece 627 and a second intermediate piece 628 .
  • the cam 621 is connected to one end of the lower connecting rod 6245 through the first connecting plate 623, the other end of the lower connecting rod 6245 is connected to one end of the first middle piece 627, and the other end of the first middle piece 627 is connected to the second connecting piece 628.
  • One end of the second intermediate member 628 is connected with one end of the upper link 6244, and the other end of the upper link 6244 is connected with the mechanism to be driven.
  • the process of the cam 621 driving the mechanism to be driven through the upper link 6244 and the lower link 6245 is as follows: the cam 621 rotates to drive the lower link 6245 to move vertically, thereby driving one end of the first intermediate piece 627 Move in a substantially vertical direction, and then drive the first middle piece 627 to rotate around a fixed point (point O in FIG. The upper link 6245 connected to one end of the middle piece 628 moves in the vertical direction, and finally drives the mechanism to be driven.
  • the length of the corresponding lower link 6245 when the cam 621 is the fixed structure of the upper elastic structure is greater than the length of the corresponding lower link 6245 when the cam 621 is the fixed structure of the lower elastic structure.
  • the length of the lower link 6245 corresponding to the second cam 6212 is greater than the length of the lower link 6245 corresponding to the fifth cam 6215 .
  • the brake 23 when the battery cell gluing equipment is gluing, the brake 23 is closed, and the motor 61 drives the output shaft 63 to rotate, and the gluing slider 102 in the gluing mechanism 10 is attached to the support block 101 (the gluing mechanism 10 closed), while the second roller 72 of the ungluing mechanism 7 moves downward, driving the adhesive tape 21 to move downward, so that part of the adhesive tape 21 (length greater than the length of the required adhesive tape section) is peeled off the adhesive tape roll, and the brake 23 is opened.
  • the glue-pressing slider 102 moves upwards (the glue-pressing mechanism 10 is opened), and the clamping and pulling mechanism 3 clamps the adhesive tape 21 and drives the adhesive tape 21 to move forward, and the glue-cutting mechanism 4 will transfer the adhesive tape at the glue-cutting mechanism 4 places simultaneously 21 is cut into tape sections, and the glue-cutting mechanism 5 attaches the tape sections to the battery cell 11.
  • the output shaft 63 rotates one revolution, and a glue-applying process is completed. It can be seen that the stability and sustainability of the cell gluing equipment in the embodiment of the present application are relatively high. In addition, all parts of the battery cell gluing equipment can operate synchronously. For example, the glue cutting mechanism 4 completes the glue cutting, and the glue pressing mechanism 10 is in the process of pressing the glue. work efficiency.
  • the second aspect of the embodiment of the present application provides a method for manufacturing battery cell gluing equipment.
  • a clamping and pulling mechanism which is located above the tooling plate, and the clamping and pulling mechanism is used to clamp the tape and drive the tape to move horizontally and towards the direction close to the battery core;
  • a glue cutting mechanism along the The conveying direction of the tape, the glue cutting mechanism is located in front of the tooling board, the glue cutting mechanism is used to cut the tape into tape segments;
  • the glue applying mechanism is provided, the glue applying mechanism is located above the tooling board, and the glue applying mechanism is used to press the tape segments in the cell.
  • the driving mechanism includes a motor and a transmission component, the motor is connected to the clamping and pulling mechanism, the glue cutting mechanism and the glue applying mechanism through the transmission component, so as to synchronously drive the clamping and pulling mechanism, the glue cutting mechanism and the glue applying mechanism.
  • the gluing of the cell is realized by the clamping and pulling mechanism, the gluing mechanism and the gluing mechanism, and the degree of automation is relatively high.
  • the tape passes through the glue cutting mechanism and the gluing mechanism in turn, and is pressed and pasted on the battery cell under the action of the gluing mechanism.
  • the conveying path of the tape is short, and each The close cooperation between the mechanisms increases the gluing efficiency of the battery gluing equipment.
  • the driving mechanism uses the same motor to drive multiple mechanisms synchronously, which further improves the working efficiency of the battery gluing equipment and reduces the battery life. The volume and energy consumption of the gluing equipment.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Adhesive Tapes (AREA)

Abstract

本申请实施例提供了一种电芯贴胶设备及电芯贴胶设备的制作方法，电芯贴胶设备包括工装板、夹持拉胶机构、切胶机构、贴胶机构及驱动机构，其中，工装板用于承载电芯，夹持拉胶机构用于夹持胶带并带动胶带沿水平且向靠近电芯的方向移动；沿胶带的输送方向，切胶机构位于工装板的上游，切胶机构用于将胶带切割为胶带段；贴胶机构用于将胶带段压贴于待贴胶区域；驱动机构，连接夹持拉胶机构、切胶机构及贴胶机构，以同步驱动夹持拉胶机构、切胶机构及贴胶机构。

Description

一种电芯贴胶设备及电芯贴胶设备的制作方法
交叉引用
本申请引用于2021年10月26日递交的名称为“一种电芯贴胶设备及电芯贴胶设备的制作方法”的第202111250112.9号中国专利申请，其通过引用被全部并入本申请。
技术领域
本申请涉及电化学装置技术领域，特别是涉及一种电芯贴胶设备及电芯贴胶设备的制作方法。
背景技术
由于具有能量密度高、重量轻等优点，锂电池广泛应用于便携式电子设备、电动汽车等技术领域。锂电池的生产过程中，需要对锂电池的电芯极耳处进行焊接，并且在极耳焊接后，需要在焊接部分贴胶以对极耳进行固定及绝缘保护。
发明内容
本申请实施例的目的在于提供一种电芯贴胶设备及电芯贴胶设备的制作方法。
本申请实施例的第一方面提供了一种电芯贴胶设备，电芯贴胶设备包括：工装板，用于承载电芯；夹持拉胶机构，位于工装板的上方，夹持拉胶机构用于夹持胶带并带动胶带沿水平且向靠近电芯的方向移动；切胶机构，沿胶带的输送方向，切胶机构位于工装板的上游，切胶机构用于将胶带切割为胶带段；贴胶机构，位于工装板的上方，贴胶机构用于将胶带段压贴于待贴胶区域；驱动机构，驱动机构连接夹持拉胶机构、切胶机构及贴胶机构，以同步驱动夹持拉胶机构、切胶机构及贴胶机构。
根据本申请实施例的电芯贴胶设备，在夹持拉胶机构的带动下，胶带依次经过切胶机构及贴胶结构，并在贴胶机构的作用下压贴于电芯上，胶带的输送路径较短，且各个机构之间配合紧密，增加了电芯贴胶设备的贴胶效率，此外，驱动机构采用同一电机同步驱动多个机构，在进一步提高电芯贴胶设备的工作效率的基础上，降低了电芯贴胶设备的体积及能耗。
一些实施例中，驱动机构包括电机和传动组件，电机通过传动组件连接夹持拉胶机 构、切胶机构及贴胶机构，以同步驱动夹持拉胶机构、切胶机构及贴胶机构。
一些实施例中，电芯贴胶设备还包括备胶机构，备胶机构位于切胶机构远离工装板的一侧，备胶机构用于承载胶带并向靠近工装板的方向输送胶带。
一些实施例中，驱动机构包括：输出轴；和至少一个凸轮驱动组，至少一个凸轮驱动组由输出轴驱动。
一些实施例中，凸轮驱动组包括：凸轮，固定连接到输出轴；滚轮，设置于第一连接板上，且凸轮与滚轮相抵接；第一连接板及连杆，滚轮设置于第一连接板上，且凸轮与滚轮相抵接，连杆的一端与第一连接板连接，连杆的另一端与待驱动机构连接，凸轮通过滚轮及第一连接板带动连杆沿竖直方向移动，待驱动机构为夹持拉胶机构、切胶机构及贴胶机构中的至少一种。由此，可以通过同一个输出轴带通多个凸轮驱动组来同步驱动多个待驱动机构，多个凸轮驱动组的多个凸轮驱动与其连接的连杆进行循环往复的直线运动，多个凸轮同步运动且多个凸轮之间不会互相干涉，使得传动组件的稳定性较高。
一些实施例中，连杆包括第一部段和第二部段，第一部段与第二部段螺纹连接，且第一部段与第二部段的螺纹连接深度可调。由此，可通过调节第一部段及第二部段的螺纹旋入深度来调节连杆的整体长度，因此可以在不更换连杆的情况下，能够更改连杆移动的初始位置及动作完成的位置，从而能够精确调节连杆的移动初始位置及动作完成位置。
一些实施例中，每个凸轮驱动组还包括第一杆端轴承，连杆的一端通过第一杆端轴承与第一连接板连接，第一杆端轴承与连杆螺纹连接，且连杆与第一杆端轴承的螺纹连接深度可调；并且/或者每个凸轮驱动组还包括第二杆端轴承，连接杆的另一端通过第二杆端轴承与待驱动机构连接，第二杆端轴承与连杆螺纹连接，且连杆与第二杆端轴承的螺纹连接深度可调。由此，可以在不更换连杆的情况下，能够更改连杆移动的初始位置及动作完成的位置，从而能够精确调节连杆的移动初始位置及动作完成位置。
一些实施例中，驱动机构还包括编码器，编码器用于控制凸轮的转动角度。编码器用于监控输出轴的旋转角度，从而确定设置于输出轴上的多个凸轮在某一时刻或预设时间段内的转动角度，从而增加各个凸轮在工作过程中的位置精确度及一致性，可以降低由于一个或多个凸轮的位置产生偏差而导致凸轮间产生撞击的可能性。
一些实施例中，电芯贴胶设备还包括开胶机构，开胶机构位于备胶机构与切胶机构之间，开胶机构用于为胶带提供向下的压力，以使至少部分胶带脱离备胶机构。开胶机构用于对胶带施加向下的压力，使得部分胶带由胶带卷上剥离，实现胶带卷的开胶，从 而将开胶后的胶带朝向待贴胶的电芯处输送。
一些实施例中，电芯贴胶设备还包括安装板，开胶机构包括设置于安装板上的第一过辊、第二过辊及第三过辊，第二过辊位于第一过辊及第三过辊之间，且第二过辊可沿竖直方向移动，胶带依次经过第一过辊的最高点，第二过辊的最低点及第三过辊的最高点。第二过辊带动胶带沿竖直方向移动，为胶带提供向下的压力实现胶带的开胶。且第一过辊、第二过辊及第三过辊共同用于支撑胶带及对胶带进行导向。
一些实施例中，开胶机构还包括设置于安装板上且沿竖直方向延伸的第一轨道，第二过辊与第一轨道滑动连接；电机用于同步驱动夹持拉胶机构、切胶机构、贴胶机构及第二过辊。
一些实施例中，芯贴胶设备还包括第一导向辊和第二导向辊，第一导向辊和第二导向辊位于开胶机构与切胶机构之间，胶带依次经过第一导向辊的最低点及第二导向辊的最高点。第一导向辊及第二导向辊用于支撑胶带及对胶带进行导向，使胶带处于紧绷状态，降低胶带粘连及出现褶皱的概率。
一些实施例中，备胶机构包括胶带安装辊及与胶带安装辊连接的制动器，胶带安装于胶带安装辊上，制动器用于控制胶带安装辊的转动状态，限制胶带的开胶量，从而降低胶带输送过程中因旋转惯性等原因，造成胶带开胶过多而导致胶带出现粘连及打皱现象的概率。
一些实施例中，电芯贴胶设备还包括压胶机构，压胶机构位于切胶机构的远离工装板的一侧，压胶机构用于固定胶带。
一些实施例中，压胶机构包括支撑块和位于支撑块上方的压胶滑块，压胶滑块可沿竖直方向移动，胶带位于压胶滑块与支撑块之间；驱动机构与压胶滑块连接，以同步驱动夹持拉胶机构、切胶机构、贴胶机构及压胶滑块。
一些实施例中，贴胶机构包括沿竖直方向延伸的第二导轨和与第二导轨滑动连接的压块结构，驱动机构与压块结构连接，以驱动压块结构相对于第二导轨滑动，从而带动压块结构下方的胶带向下移动以贴附至电芯上。
一些实施例中，压块结构包括第一压块、至少一个第一连接杆、至少一个第二连接杆、第二压块，第一压块与传动组件连接，且第一压块通过至少一个第一连接杆及至少一个第二连接杆与第二压块连接，至少一个第一连接杆或至少一个第二连接杆包括弹性件。第一压块与第二压块通过第一连接杆或第二连接杆连接，由于第一连接杆或第二连接杆上具有弹性件，压块结构整体向下移动并与电芯的电芯表面接触时，弹性件对压块 结构起缓冲作用的同时为压块结构提供了继续下移的空间，使得部分压块结构继续向下移动至与电芯极耳接触，使得胶带能够贴附于电芯大面和电芯的极耳处。
一些实施例中，驱动机构还包括气缸组件；夹持拉胶机构包括第一夹块及第二夹块，气缸组件与第一夹块和/或第二夹块连接，以驱动第一夹块和/或第二夹块沿竖直方向移动。沿竖直方向胶带位于第一夹块及第二夹块之间，通过气缸组件控制第一夹块和/或第二夹块移动，以控制第一夹块及第二夹块共同夹紧胶带。
本申请实施例的第二方面提供了一种电芯贴胶设备的制作方法，该制作方法包括：提供工装板，工装板用于承载电芯；提供夹持拉胶机构，夹持拉胶机构位于工装板的上方，夹持拉胶机构用于夹持胶带并带动胶带沿水平且向靠近电芯的方向移动；提供切胶机构，沿胶带的输送方向，切胶机构位于工装板的前方，切胶机构用于将胶带切割为胶带段；提供贴胶机构，贴胶机构位于工装板的上方，贴胶机构用于将胶带段压贴于电芯；提供驱动机构，驱动机构连接夹持拉胶机构、切胶机构及贴胶机构，以同步驱动夹持拉胶机构、切胶机构及贴胶机构。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，还可以根据这些附图获得其他的实施例。
图1为本申请一些实施例中电芯贴胶设备的一种正视图；
图2为本申请一些实施例中电芯贴胶设备的一种结构图；
图3为图2中A区域的放大图；
图4为本申请一些实施例中电芯贴胶设备的另一种结构图；
图5为本申请一些实施例中电芯贴胶设备的一种部分结构图；
图6为本申请一些实施例中电芯贴胶设备的一种侧视图；
图7为本申请一些实施例中电芯贴胶设备的制作方法的一种流程图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员基于本申请所获得的所有其他实施例，都属于 本申请保护的范围。
本申请的描述中，需要说明的是，除非另有说明，“多个”的含义是两个以上；术语“上”、“下”、“左”、“右”、“内”、“外”等指示的方位或位置关系仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”等仅用于描述目的，而不能理解为指示或暗示相对重要性。“垂直”并不是严格意义上的垂直，而是在误差允许范围之内。“平行”并不是严格意义上的平行，而是在误差允许范围之内。
下述描述中出现的方位词均为图中示出的方向，并不是对本申请的具体结构进行限定。在本申请的描述中，还需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可视具体情况理解上述术语在本申请中的具体含义。
本申请中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本申请中字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请的实施例中，相同的附图标记表示相同的部件，并且为了简洁，在不同实施例中，省略对相同部件的详细说明。应理解，附图示出的本申请实施例中的各种部件的厚度、长宽等尺寸，以及集成装置的整体厚度、长宽等尺寸仅为示例性说明，而不应对本申请构成任何限定。
本申请中出现的“多个”指的是两个以上(包括两个)。
本申请的实施例所提到的电芯也可称为电芯单体，电芯单体用于组成电池，电池可以包括一个或多个电芯单体以提供更高的电压和容量。电池一般包括用于封装一个或多个电芯单体的箱体。箱体可以避免液体或其他异物影响电芯的充电或放电。在本申请中，电芯单体可以包括铝壳电芯、软包电芯及圆柱电芯等，本申请实施例对此并不限定。电芯单体可呈圆柱体、扁平体、长方体或其它形状等，本申请实施例对此也不限定。
多个电池可经由极柱而被串联和/或并联在一起以应用于各种应用场合。在一些诸如电动汽车等的大功率应用场合，电池的应用包括三个层次：电芯单体、电池模组和电池包。电池模组是为了从外部冲击、热、振动等中保护电池单体，将一定数目的电芯单体电连接在一起并放入一个框架中而形成的。电池包则是装入电动汽车的电池系统的最终 状态。电池包一般包括用于封装一个或多个电芯单体的箱体。箱体可以避免液体或其他异物影响电芯单体的充电或放电。箱体一般由盖体和箱壳组成。目前的大部分电池包是在一个或多个电池模组上装配电池管理系统(BMS)、热管理部件等各种控制和保护系统而制成的。随着技术的发展，电池模组这个层次可以被省略，也即，直接由电芯单体形成电池包。这一改进使得电池系统的重量能量密度、体积能量密度得到提升的同时零部件数量显著下降。本申请中所提到的电池包括电池模组或电池包。
本申请实施例描述的技术方案均适用于各种使用电池的装置，例如，手机、便携式设备、笔记本电脑、电瓶车、电动玩具、电动工具、电动车辆、船舶和航天器等，例如，航天器包括飞机、火箭、航天飞机和宇宙飞船等。
相关技术中，电芯单体包括电极组件、电芯壳体、以及连接至所述电极组件并且从所述电芯壳体引出的电极端子，其中，电极端子也可称为极耳。在电池的生产过程中，需要将正负极片间隔设置，形成电芯，在形成电芯后需要对电芯的极耳处进行焊接，并且在极耳焊接后，需要对极耳的焊接部分进行贴胶，以对电芯极耳进行固定及绝缘保护。电芯贴胶设备需要完成拉胶、压胶、裁胶等工序，因此电芯贴胶设备多包括多个机构，而目前的电芯贴胶设备中各个机构间的配合不紧密，贴胶效率较低，且多个机构均需要通过不同的驱动装置驱动，使得电芯贴胶设备的体积较大且能耗较高。
发明人基于上述电芯贴胶设备的多种问题，研究出了一种新型电芯贴胶设备，也即本申请的电芯贴胶设备，通过采用同一驱动机构同步驱动多个机构，在提高电芯贴胶设备的工作效率的基础上，降低电芯贴胶设备的体积及能耗。
在以下描述中，“水平方向”和“竖直方向”指的是图1中所示的水平方向和竖直方向。
如图1至图5所示，本申请第一方面的实施例提供的电芯贴胶设备包括工装板1、夹持拉胶机构3、切胶机构4、贴胶机构5及驱动机构6。其中，工装板1用于承载电芯11。夹持拉胶机构3位于工装板1的上方，夹持拉胶机构3用于夹持胶带21并带动胶带21沿水平且向靠近电芯11的方向移动。沿胶带21的输送方向，切胶机构4位于工装板1的前方，切胶机构4用于将胶带21切割为胶带段。贴胶机构5位于工装板1的上方，贴胶机构5用于将胶带段压贴于电芯11。驱动机构6包括电机61和传动组件62，电机61通过传动组件62连接夹持拉胶机构3、切胶机构4及贴胶机构5，以同步驱动夹持拉胶机构3、切胶机构4及贴胶机构5。
本申请实施例中，电芯11上具有待贴胶区域，电芯11的待贴胶区域可以为电芯 11的极耳区域，也可以为电芯11主体的各侧表面，本申请实施例对此不作具体限定。贴胶机构5用于将胶带压贴于电芯11的待贴胶区域。
当通过本申请实施例提供的电芯贴胶设备对电芯11贴胶时，驱动机构6中的电机61通过传动组件62驱动夹持拉胶机构3夹持胶带21并带动胶带21水平移动，使得胶带21沿着朝向靠近工装板1及电芯11的方向移动。同时驱动机构6控制切胶机构4沿水平且垂直于胶带21侧边的方向移动，将输送至切胶机构4处的胶带21切割为胶带段，且在切胶机构4对胶带21进行切割后，夹持拉胶机构3的夹爪33打开，接着贴胶机构5将胶带21朝向电芯11按压，使得切割后的胶带段粘贴于电芯11的待贴胶区域处，如粘贴于电芯11的极耳处，实现电芯11贴胶。
本申请实施例提供的电芯贴胶设备中，由夹持拉胶机构3、切胶机构4及贴胶机构5共同实现电芯11的贴胶，自动化程度较高。且在电芯11上的夹持拉胶机构3的带动下，胶带21依次经过切胶机构4及贴胶机构5，并在贴胶机构5的作用下压贴于电芯11上，胶带21的输送路径较短，且各个机构之间配合紧密，增加了电芯贴胶设备的贴胶效率，此外，驱动机构6采用同一电机61同步驱动多个机构，在进一步提高电芯贴胶设备的工作效率的基础上，降低了电芯贴胶设备的体积及能耗。
一些实施例中，如图2所示，驱动机构6还包括气缸组件(图未示)。夹持拉胶机构3包括第一夹块35及第二夹块36，气缸组件与第一夹块35和/或第二夹块36连接，以驱动第一夹块35和/或第二夹块36沿竖直方向移动。
本申请实施例中，沿竖直方向上，胶带21位于第一夹块35与第二夹块36之间，气缸组件用于驱动第一夹块35和/或第二夹块36沿竖直方向运动，以使第一夹块35及第二夹块36共同夹紧胶带21。一个示例中，第一夹块35可固定不动，当需要夹紧胶带21时，气缸组件带动第二夹块36向靠近第一夹块35的方向移动，直至第一夹块35及第二夹块36能夹紧胶带21。相对应的，当需要松开胶带21时，控制第二夹块36沿远离第一夹块35的方向移动以松开胶带21。另一个示例中，第二夹块36可固定不动，当需要夹紧胶带21时，气缸组件用于驱动第一夹块35向靠近第二夹块36的方向移动，直至第一夹块35及第二夹块36能夹紧胶带21。相对应的，当需要松开胶带21时，控制第一夹块35沿远离第二夹块36的方向移动以松开胶带21。又一个示例中，气缸组件可驱动第一夹块35及第二夹块36移动，当需要夹紧胶带21时，气缸组件驱动第一夹块35及第二夹块36沿相靠近的方向移动，直至第一夹块35及第二夹块36能夹紧胶带21。相对应的，当需要松开胶带21时，控制第一夹块35及第二夹块36沿相远离的方向移动以 松开胶带21。
一些实施例中，如图1所示，电芯贴胶设备还包括备胶机构2。备胶机构2位于切胶机构4远离工装板1的一侧，备胶机构2用于承载胶带21并向靠近工装板1的方向输送胶带21。其中，备胶机构2用于承载成卷的胶带21，当通过夹持拉胶机构3对胶带21施加沿远离备胶机构2的方向上的拉力时，成卷的胶带21在拉力的作用下转动，实现胶带21的开胶并使部分胶带21沿靠近工装板1及电芯11的方向输送，以对电芯11进行贴胶。
一些实施例中，传动组件62包括凸轮驱动组。
一些实施例中，如图2和图4所示，凸轮驱动组包括凸轮621、滚轮622、第一连接板623及连杆624。滚轮622设置于第一连接板623上，且凸轮621与滚轮622相抵接。连杆624的一端与第一连接板623连接，连杆624的另一端与待驱动机构连接，凸轮621通过滚轮622及第一连接板623带动连杆624沿竖直方向移动，待驱动机构为夹持拉胶机构3、切胶机构4及贴胶机构5中的至少一种。
本申请实施例中，凸轮驱动组可以包括多个凸轮621，凸轮621的数量与电芯贴胶设备内的机构数量或多个机构内需要驱动的组件的数量相对应。具体的，如图6所示，多个凸轮621包括第一凸轮6211、第二凸轮6212、第三凸轮6213、第四凸轮6214及第五凸轮6215。关于第一凸轮6211、第二凸轮6212、第三凸轮6213、第四凸轮6214及第五凸轮6215与待驱动机构的连接情况会结合每一待驱动机构的结构在下方描述，此处不再赘述。
一些实施例中，如图2所示，驱动机构6还可以包括与电机61连接的输出轴63，输出轴63与多个凸轮621连接，电机61驱动输出轴63转动，以使固定于输出轴63上的多个凸轮621同步转动，从而实现电机61对电芯贴胶设备内各个机构的同步驱动。其中，各个机构与凸轮621的连接情况将在下文中结合夹持拉胶机构3、切胶机构4及贴胶机构5等机构的具体结构进行说明，此处不再赘述。其中，电机61通过输出轴63驱动多个凸轮621，然后通过多个凸轮621驱动与其连接的连杆624进行循环往复的直线运动，多个凸轮621同步运动且多个凸轮621之间不会互相干涉，使得凸轮驱动组的稳定性较高。
一些实施例中，电机61通过输出轴63驱动多个凸轮621同步转动，从而驱动与各个凸轮621连接的待驱动机构运作，当输出轴63旋转一圈时，多个凸轮621对应旋转一周，各个驱动机构共同完成一个贴胶工序，使得电芯贴胶设备的稳定性及可持续性较 高。
此外，将滚轮622及连杆624设置于第一连接板623上，通过第一连接板623在凸轮621与连杆624之间传动，进一步增加了凸轮驱动组运动时的稳定性。一些实施例中，连杆624也可以通过滚轮622直接与凸轮621连接，本申请实施例对此不作具体限定。
一些实施例中，驱动机构6中的输出轴63为蜗轮蜗杆输出轴。凸轮驱动组通过涡轮蜗杆输出轴来驱动，增大了凸轮驱动组的减速比，且使得输出轴63的转矩较大，增加了连杆624运动的可持续性。
一些实施例中，如图1和图4所示，连杆624包括第一部段6241和第二部段6242，第一部段6241与第二部段6242螺纹连接，且第一部段6241与第二部段6242的螺纹连接深度可调。具体的，如图1和图4所示，第一部段6241的上端与待驱动机构连接，第二部段6242的下端与第一连接板623连接，由于第一部段6241及第二部段6242的螺纹旋入深度可调，可通过调节第一部段6241及第二部段6242的螺纹旋入深度来调节连杆624的整体长度，因此可以在不更换连杆624的情况下，能够更改连杆624移动的初始位置及动作完成的位置，从而能够精确调节连杆624的移动初始位置及动作完成位置。
一些实施例中，如图4所示，凸轮驱动组包括第一杆端轴承625及第二杆端轴承626，连杆624的一端通过第一杆端轴承625与第一连接板623连接，连接杆624的另一端通过第二杆端轴承626与待驱动机构连接。
本申请实施例中，待驱动机构可以为电芯贴胶设备的夹持拉胶机构3、切胶机构4、贴胶机构5等。第一杆端轴承625及第二杆端轴承626均包括杆端和轴承端。如图4所示，第一杆端轴承625的杆端与连杆624的一端连接，且第一杆端轴承625的轴承端可通过螺栓、螺钉等紧固件与第一连接板623连接。相对应的，第二杆端轴承626的杆端与连杆624的另一端连接，且第二杆端轴承626的轴承端与待驱动机构连接。其中，第一杆端轴承625及第二杆端轴承626与连杆624的连接方式有多种，本申请实施例对此不作具体限定。
一些实施例中，第一杆端轴承625及第二杆端轴承626与连杆624螺纹连接，且连杆624与第一杆端轴承625及第二杆端轴承626的螺纹连接深度可调。通过调节连杆624的两端旋入第一杆端轴承625及第二杆端轴承626的深度，可以调节第一杆端轴承625与第二杆端轴承626之间的距离，因此可以在不更换连杆624的情况下，能够更改连杆624移动的初始位置及动作完成的位置，从而能够精确调节连杆624的移动初始位置 及动作完成位置。
一些实施例中，第一杆端轴承625及第二杆端轴承626与连杆624的连接方式为键连接或过盈连接。
一些实施例中，第一杆端轴承625及第二杆端轴承626与连杆624焊接连接。
一些实施例中，驱动机构6还包括编码器64，编码器64用于控制凸轮621的转动角度。如图4所示，编码器64设置于输出轴63上，编码器64用于监控输出轴63的旋转角度，从而确定设置于输出轴63上的多个凸轮在某一时刻或预设时间段内的转动角度，从而增加各个凸轮621在工作过程中的位置精确度及一致性，降低了由于一个或多个凸轮621的位置产生偏差而导致凸轮621间产生撞击的可能性。其中，编码器64包括但不限于增量式编码器、绝对式编码器、混合式绝对编码器等。
一些实施例中，如图1和图2所示，备胶机构2包括胶带安装辊22及与胶带安装辊22连接的制动器23，胶带21安装于胶带安装辊22上，制动器23用于控制胶带安装辊22的转动状态。
本申请实施例中，如图1所示，电芯贴胶设备包括安装板100，胶带安装辊22枢装于安装板100上。胶带安装辊22用于承载成卷的胶带21，当夹持拉胶机构3沿水平方向且远离备胶机构2的方向拉动胶带21时，胶带安装辊22在拉力的作用下转动，实现胶带21的开胶及输送。制动器23用于对胶带安装辊22施加阻力，当制动器23开启时，胶带安装辊22停止转动。制动器23用于控制胶带安装辊22的转动状态，如控制胶带安装辊22是否转动、转动时间及转动圈数等。具体的，当需要对电芯11进行贴胶时，制动器23关闭，使得胶带安装辊22能够转动且向工装板1上的电芯11输送胶带21。当不需向电芯11方向继续输送胶带21时，制动器23开启，胶带安装辊22停止转动，限制了胶带21的开胶量，从而降低了胶带21输送过程中因旋转惯性等原因，造成胶带21开胶过多而导致胶带21出现粘连及打皱现象的概率。
一些实施例中，制动器23包括磁粉离合器。
一些实施例中，如图1所示，电芯贴胶设备还包括开胶机构7，开胶机构7位于备胶机构2与切胶机构4之间，开胶机构7用于为胶带21提供向下的压力，以使至少部分胶带21脱离备胶机构2。具体的，胶带安装辊22上承载有胶带卷，开胶机构7用于对胶带21施加向下的压力，使得部分胶带21由胶带卷上剥离，实现胶带卷的开胶，从而将开胶后的胶带21朝向待贴胶的电芯11处输送。一些实施例中，由胶卷上剥离的至少部分胶带21的长度大于等于用于贴附于电芯11上的胶带段的长度。
一些实施例中，开胶机构7包括设置于安装板100上的第一过辊71、第二过辊72及第三过辊73，第二过辊72位于第一过辊71及第三过辊73之间，且第二过辊72可沿竖直方向移动，胶带21依次经过第一过辊71的最高点，第二过辊72的最低点及第三过辊73的最高点。
本申请实施例中，第一过辊71、第二过辊72及第三过辊73均枢装于安装板100上，即第一过辊71、第二过辊72及第三过辊73均可绕自身的轴线转动。胶带21由备胶机构2沿靠近电芯11的方向输送过程中，胶带21经过第二过辊72的最低点，第二过辊72可沿竖直方向移动，因此第二过辊72带动胶带21共同沿竖直方向移动，为胶带21提供了向下的压力。当第二过辊72移动至胶带安装辊22上的胶带卷下方时，部分胶带21在第二过辊72的作用下脱离胶带卷，实现胶带21的开胶。
第一过辊71及第三过辊73分别位于第二过辊72的两侧，用于支撑胶带21且用于为胶带21进行导向。可选的，胶带卷呈圆柱状，且沿高度方向上，第一过辊71的轴线的高度高于圆柱状胶带卷的最低母线的高度，使得位于由胶带安装辊22与第一过辊71之间的胶带21与胶带卷外侧相切或与胶带卷之间呈锐角，减小胶带21开胶所需的拉力，保证开胶机构2的稳定性。
一些实施例中，如图1所示，电芯贴胶设备还包括第一导向辊8和第二导向辊9，第一导向辊8和第二导向辊9位于开胶机构7与切胶机构4之间，胶带21依次经过第一导向辊8的最低点及第二导向辊9的最高点。
本申请实施例中，第一导向辊8和第二导向辊9用于支撑胶带21且用于对胶带21进行导向。胶带21由备胶机构2朝向工装板1输送时，胶带21依次经过第一过辊71的最高点、第二过辊72的最低点、第三过辊73的最高点、第一导向辊8的最低点及第二导向辊9的最高点，多个过辊及导向辊使胶带21处于紧绷状态，降低了胶带粘连及出现褶皱的概率。
一些实施例中，过辊的两端均设置有环形凸起，胶带21位于各个过辊的两个环形凸起之间，两个环形凸起对胶带21进行限位，降低了胶带21传输过中由过辊上滑落的概率，其中，过辊为第一过辊71、第二过辊72、第三过辊73、第一导向辊8和第二导向辊9中的至少一个。
一些实施例中，过辊上涂覆有涂层，以对过辊进行保护，降低过辊被腐蚀的概率。此外，涂层还用于降低胶带21与过辊的发生粘连的概率。其中，涂层包括但不限于特氟龙涂层、陶瓷涂层等。
一些实施例中，过辊上设置有齿形结构，以降低胶带21与过辊的接触面积，进一步降低胶带21与过辊发生粘连的概率。
一些实施例中，开胶机构7还包括设置于安装板100上且沿竖直方向延伸的第一轨道74，第二过辊72与第一轨道74滑动连接。电机61还用于同步驱动夹持拉胶机构3、切胶机构4、贴胶机构5及第二过辊72。
本申请实施例中，电机61还用于通过传动组件62驱动第二过辊72，一些实施例中，电机61通过第一凸轮6211驱动第二过辊72。具体的，如图1所示，开胶机构7还包括与第一轨道74滑动连接的第一滑块75，第二过辊72设置于第一滑块75上。连杆624的一端设置有第三压块6243，且第三压块6243与第一滑块75相对应并置于第一滑块75的上方。连杆624的另一端与第一凸轮6211连接，以使电机61能够通过第一凸轮6211及连杆624驱动第一滑块75及第二过辊72。具体的，电机61通过输出轴63驱动第一凸轮6211转动，位于第一凸轮6211上方的滚轮622沿第一凸轮6211的边缘移动，从而带动与其连接的第一连接板623沿竖直方向移动，然后通过连杆624带动与其连接第三压块6243移动，从而使位于第三压块6243下方的第一滑块75及固定设置于第一滑块75上的第二过辊72沿竖直方向移动。
具体的，在开胶过程中，第一凸轮6211通过连杆624带动第三压块6243向下移动，使得第三压块6243撞击第一滑块75，使得第一滑块75及第二过辊72向下移动。然后第一凸轮6211继续转动，带动连杆624及第三压块6243向上移动复位，此时在第一滑块75及第二过辊72在自身重力的作用下仍位于下方并压紧胶带21。当夹持拉胶机构3夹持并拉动胶带21时，夹持拉胶机构3克服第一滑块75及第二过辊72的重力，即夹持拉胶机构3带动胶带21并使胶带21带动第一滑块75及第二过辊72向上移动复位。
一些实施例中，如图3和图5所示，电芯贴胶设备还包括压胶机构10，压胶机构10位于切胶机构4的远离工装板1的一侧，压胶机构10用于固定胶带21。
本申请实施例中，如图2所示，压胶机构10位于切胶机构4与第二导向辊9之间，当胶带21经过第二导向辊9到达压胶机构10时，压胶机构10固定胶带21，以使切胶机构4在切割胶带21时，胶带21不会移动或出现褶皱，降低了切割机构4切割胶带21的难度，提升了切胶机构4的效率。
一些实施例中，压胶机构10包括支撑块101和位于支撑块101上方的压胶滑块102，压胶滑块102可沿竖直方向移动，胶带21位于压胶滑块102与支撑块101之间。电机61还通过传动组件62与压胶滑块102连接，以同步驱动夹持拉胶机构3、切胶机 构4、贴胶机构5及压胶滑块102。
本申请实施例中，胶带21由备胶机构2输送至工装板1的过程中，胶带21经过压胶机构10时，胶带21位于压胶滑块102与支撑块101之间。电机61通过传动组件62驱动压胶滑块102向下移动，直至压胶滑块102与支撑块101接触，且压胶滑块102将胶带21按压贴附于支撑块101上以实现胶带21的固定。
具体的，电机61通过第二凸轮6212驱动压胶滑块102沿竖直方向移动。传动组件62中的第二凸轮6212通过第一连接板623与连杆624的一端连接，且连杆624的另一端与压胶滑块102连接。电机61驱动第二凸轮6212转动，从而使得凸轮6212通过第一连接板623驱动连杆624沿竖直方向移动，进而驱动与连杆624连接的压胶滑块102沿竖直方向移动。
一些实施例中，在贴胶过程中，制动器23关闭，电机61通过第一凸轮6211带动第二过辊72及第一滑块75向下移动，使得第二过辊72带动胶带21向下移动实现开胶，此时压胶机构10中的支撑块101与压胶滑块102贴合以固定位于支撑块101与压胶滑块102之间的胶带21。开胶完成后，第二凸轮6212带动压胶滑块102向上移动，使得压胶机构10打开，同时夹持拉胶机构3带动胶带21移动，并且切胶机构4将胶带21切割为胶带段，贴胶机构5将胶带段贴附于电芯11上，完成一个贴胶工序。
一些实施例中，支撑块101的上表面上涂覆有涂层，以降低胶带21与支撑块101的发生粘连的概率。其中，涂层包括但不限于特氟龙涂层、陶瓷涂层等。
一些实施例中，沿高度方向，第二导向辊9的轴线高度低于支撑块101的上表面的高度。其中，当电芯11完成贴胶后，压胶滑块102向上移动，部分胶带21仍贴附于支撑块101的上表面。当对下一电芯11进行贴胶时，夹持拉胶机构3继续夹住胶带21的远离备胶机构2的一端，然后夹持拉胶机构3夹持胶带21水平移动。由于第二导向辊9的轴线高度高于支撑块101的上表面的高度，当夹持拉胶机构3夹持胶带21并对胶带21施加拉力时，胶带21由支撑块101的上表面脱离，然后拉平上升至与夹持拉胶机构3及第二导向辊9相近的高度。因此，降低了胶带21与支撑块101上表面产生粘连的概率，且降低胶带21出现褶皱的概率。
一些实施例中，如图3、图4和图5所示，压胶机构10还包括设置于安装板100上的第三导轨103、与第三导轨103滑动连接的第三滑块104。第三导轨103沿竖直方向延伸。第三滑块104与连杆624连接，且第三滑块104与压胶滑块102连接。电机61通过输出轴63驱动第二凸轮6212时，第二凸轮6212通过第一连接板623驱动连杆624沿 竖直方向移动，从而带动与连杆624连接的第三滑块104在第三导轨103上移动，进而带动与第三滑块104连接的压胶滑块102沿竖直方向移动。
一些实施例中，如图1所示，贴胶机构5包括沿竖直方向延伸的第二导轨51和与第二导轨51滑动连接的压块结构52，电机61通过传动组件62与压块结构52连接，以驱动压块结构52相对于第二导轨51滑动。具体的，电机61通过第三凸轮6213驱动压块机构52相对于第二导轨51滑动。
本申请实施例中，第二导轨51设置于安装板100上。贴胶机构5还包括与第二导轨51滑动连接的第二滑块53。第二滑块53与传动组件62的连杆624连接，且第二滑块53与压块结构52连接。电机61通过第三凸轮6213带动连杆624沿竖直方向移动，从带动与连杆624连接的第二滑块53在第二导轨51上运动，进而带动与第二滑块53连接的压块结构52沿竖直方向移动。在电芯11的贴胶过程中，控制压块结构52向下运动，直至与胶带21接触且将胶带21贴贴附至电芯11的待贴胶区域。
一些实施例中，贴胶机构5还包括设置于安装板100上的第四导轨54及与第四导轨54滑动连接的第四滑块55。贴胶机构5还包括传动件56，传动件56连接第二滑块53及第四滑块55，压块结构52可以与第四滑块55连接。由于第二滑块53与第四滑块55通过传动件56连接，电机61驱动第二滑块53及第四滑块55分别在第二导轨51及第四导轨54上移动，从而带动与第四滑块55连接的压块结构52沿竖直方向移动。其中，贴胶机构5采用双导轨结构(第二导轨51及第四导轨54)，使压块结构52在移动过程中更加平稳，并使得贴附于电芯11上的胶带21更加平整。
一些实施例中，压块结构52包括第一压块521、至少一个第一连接杆522、至少一个第二连接杆523、第二压块524。第一压块521与传动组件62连接，且第一压块521通过至少一个第一连接杆522及至少一个第二连接杆523与第二压块524连接，至少一个第一连接杆522或至少一个第二连接杆523包括弹性件。
本申请实施例中，极耳由电芯11的一侧端面伸出，当电芯11的待贴胶区域为电芯11的极耳处时，胶带21需要覆盖电芯11的极耳并延伸至电芯11的与极耳所在的端面相邻的一侧表面(下面简称为电芯大面)。电芯11的极耳与电芯大面之间具有阶梯状过渡。第一压块521与第二压块524通过第一连接杆522或第二连接杆523连接，由于第一连接杆522或第二连接杆523上具有弹性件，压块结构52整体向下移动至与电芯11的电芯大面接触时，弹性件对压块结构52起缓冲作用的同时为压块结构52提供了继续下移的空间，使得部分压块结构52继续向下移动至与电芯极耳接触，使得胶带21能够 贴附于电芯大面和电芯的极耳处。其中，具有弹性件的连接杆位于电芯大面的上方，而不具有弹性件的连接杆位于电芯的极耳上方。
一个示例中，第二压块524包括第一部分与第二部分，第一连接杆522上具有弹性件且第一连接杆522与第一部分连接，第二连接杆523与第二部分连接。当压块结构52整体移动至与电芯大面接触后，压块结构52继续向下移动，第一连接杆522上的弹性件被压缩以使第一部分仍与电芯大面接触，第二部分继续向下移动直至与电芯11的极耳接触，胶带21在第一部分及第二部分的作用下贴附于电芯大面及极耳上，实现阶梯式贴胶，使得胶带21更加平整的贴附于电芯11上。其中，弹性件包括但不限于弹簧、弹片等。
一些实施例中，如图3所示，压块结构52包括两个第一连接杆522和两个第二连接杆523。
一些实施例中，切胶机构4包括固定块41和设置于固定块41上的切刀42。固定块41与凸轮驱动组连接，以在凸轮驱动组的作用下沿水平且垂直于胶带传输方向的方向移动，从而带动设置于固定块41上的切刀42移动以切割胶带21。具体的，固定块41在凸轮驱动组中第四凸轮6214的作用下沿水平且垂直于胶带传输方向的方向移动。
一些实施例中，切胶机构4还包括设置于安装板100上的第二连接板43、设置于第二连接板43上的第五轨道44、与第五轨道44滑动连接的第五滑块45，以及第三连接板46。其中第五轨道44沿竖直方向延伸。连杆624的一端通过第一连接板623与第四凸轮6214连接，另一端与第五滑块45固定连接。第三连接板46枢装于第二连接板43上，第三连接板46的一端与第五滑块45固定连接，且第三连接板46的另一端与固定块41固定连接。
具体的，当需要通过切胶机构4切割胶带21时，第四凸轮6214驱动连杆624沿竖直方向移动，从而驱动与其固连的第五滑块45相对于第五轨道44滑动，同时驱动与第五滑块45固定连接的第三连接板46的一端沿大致呈竖直的方向移动，由于第三连接板46可相对于第二连接板43转动，使得第三连接板46的另一端沿大致呈水平的方向移动，从而带动与第三连接板46固连的固定块41沿水平方向移动，进而带动设置于固定块41上的切刀42移动以切割胶带21。
一些实施例中，固定块41上设置有插槽，切刀42插装与插槽内。
一些实施例中，固定块41与切刀42磁性吸附连接。
一些实施例中，如图2和图4所示，夹持拉胶机构3包括设置于安装板100上且 沿水平方向延伸的第六导轨31、与第六导轨31滑动连接的第六滑块32和与第六滑块32固定连接的夹爪33。其中，电机61通过凸轮驱动组与第六滑块32连接，以驱动第六滑块32在第六导轨31上滑动，从而带动与第六滑块32固连的夹爪33沿水平方向移动。具体的，电机61通过第五凸轮6215及连杆624驱动第六滑块32相对于第六导轨31滑动。
一些实施例中，夹持拉胶机构3还包括枢装于安装板100上的第四连接板34。第四连接板34一端与连杆624连接，第四连接板34的另一端与第六滑块32固定连接。具体的，电机61通过第五凸轮6215驱动连杆624沿竖直方向移动，从而驱动与连杆624连接的第四连接板34的一端沿竖直方向移动，然后使得第四连接板34的整体相对于安装板100转动，以带动第四连接板34的另一端沿水平方向移动，然后带动与第四连接板34另一端固连的第六滑块32在第六导轨31上移动，从而带动与第六滑块32连接的夹爪33沿水方向移动。一些实施例中，夹爪33在抓取胶带21时，夹爪33沿水平且靠近贴胶机构5的方向移动，夹爪33在抓取胶带21后带动胶带21沿水平且远离贴胶机构5的方向移动。
一些实施例中，电芯贴胶设备包括机架，备胶机构2、夹持拉胶机构3、切胶机构4、贴胶机构5、驱动机构6、开胶机构7及压胶机构10均设置于机架上。此外，安装板100与机架固定连接。一些实施例中，驱动机构6设置于机架上且位于安装板100下方，使得电芯贴胶设备的整体重心下移，增加了电芯贴胶设备的稳定性。
一些实施例中，传动组件62还包括弹性结构，弹性结构与凸轮621连接。弹性结构用于对凸轮621施加压力或拉力，使得凸轮621在转动过程中始终与第一连接板623上的滚轮622紧密接触，从而使得滚轮622能够沿凸轮621的轮廓移动。一些实施例中，弹性结构可以设置于凸轮621下方。在凸轮621转动的过程中，弹性结构过自身的反弹力对凸轮621向上的压力，使得凸轮621在转动过程中始终与凸轮621上方的滚轮622保持紧密接触。弹性结构还可以设置于凸轮621的上方。在凸轮621转动的过程中，弹性结构过自身的回缩力对凸轮621施加向上的拉力，使得凸轮621在转动过程中始终与凸轮621上方的滚轮622保持紧密接触。其中，弹性结构包括但不限于弹簧、弹片等。
具体的，本申请实施例中，凸轮621可以包括第一凸轮6211、第二凸轮6212、第三凸轮6213、第四凸轮6214及第五凸轮6215，每一凸轮6215均对应设有一个第一连接板623。其中，五个凸轮中的部分凸轮可采用弹性结构上固定结构，另一部分可采用弹性结构件下固定结构，使得电芯贴胶设备内部的空间可以得到充分利用，从而节省电芯贴 胶设备的内部空间，减小电芯贴胶设备的体积。一个示例中，如图4及图6所示，第三凸轮6213(驱动贴胶机构5)、第四凸轮6214(驱动切胶机构4)及第五凸轮6215(驱动夹持拉胶机构3)采用弹性结构下固定结构，第一凸轮6211(驱动开胶机构7)与第二凸轮6212(驱动压胶机构10)采用弹性结构上固定结构。
本申请实施例中，凸轮621可通过两个连杆624(上连杆6244和下连杆6245)与待驱动机构连接。具体的，如图4所示，凸轮驱动组还包括第一中间件627和第二中间件628。其中，凸轮621通过第一连接板623与下连杆6245的一端连接，下连杆6245的另一端与第一中间件627的一端连接，第一中间件627的另一端与第二连接件628的一端连接，第二中间件628的一端与上连杆6244的一端连接，且上连杆6244的另一端与待驱动机构连接。一些实施例中，凸轮621通过上连杆6244及下连杆6245驱动待驱动机构的过程为：凸轮621转动，以带动下连杆6245沿竖直方向移动，从而带动第一中间件627的一端沿大致呈竖直的方向移动，进而驱动第一中间件627绕定点(图4中点O)转动，第一中间件627带动与其固定连接的第二中间件628定点转动，从而带动与第二中间件628的一端连接的上连杆6245沿竖直方向移动，最终驱动待驱动机构。
由于当凸轮621为上弹性结构固定结构时，第一连接板623位于凸轮621中心点下侧，而当凸轮621为下弹性结构固定结构时，第一连接板623位于凸轮621中心点上侧，因此凸轮621为上弹性结构固定结构时对应的下连杆6245长度大于凸轮621为下弹性结构固定结构时对应的下连杆6245长度。例如，如图6所示，第二凸轮6212对应的下连杆6245长度大于第五凸轮6215对应的下连杆6245的长度。
本申请实施例中，电芯贴胶设备在贴胶时，制动器23关闭，且电机61驱动输出轴63转动，压胶机构10中的压胶滑块102与支撑块101贴合(压胶机构10关闭)，同时开胶机构7的第二过辊72向下移动，带动胶带21向下移动，使部分胶带21(长度大于所需胶带段的长度)剥离胶带卷，制动器23开启。然后压胶滑块102向上移动(压胶机构10打开)，同时夹持拉胶机构3夹持胶带21并带动胶带21向前移动，同时切胶机构4将传输至切胶机构4处的胶带21切割为胶带段，切贴胶机构5将胶带段贴附于电芯11上，此时输出轴63转动一周，一个贴胶工序完成。可见本申请实施例中电芯贴胶设备的稳定性及可持续性较高。此外，电芯贴胶设备中各个部分可同步运作，例如在切胶机构4完成切胶，压胶机构10在进行压胶过程中，备胶机构2可同步运作进行开胶，因此提高了整个设备的工作效率。
本申请实施例的第二方面提供了一种电芯贴胶设备的制作方法，如图7所示，上 述电芯贴胶设备的制作方法包括以下步骤：提供工装板，工装板用于承载电芯；提供夹持拉胶机构，夹持拉胶机构位于工装板的上方，夹持拉胶机构用于夹持胶带并带动胶带沿水平且向靠近电芯的方向移动；提供切胶机构，沿胶带的输送方向，切胶机构位于工装板的前方，切胶机构用于将胶带切割为胶带段；提供贴胶机构，贴胶机构位于工装板的上方，贴胶机构用于将胶带段压贴于电芯。
提供驱动机构，驱动机构包括电机和传动组件，电机通过传动组件连接夹持拉胶机构、切胶机构及贴胶机构，以同步驱动夹持拉胶机构、切胶机构及贴胶机构。
根据本申请实施例提供的电芯贴胶设备的制作方法制作的电芯贴胶设备中，由夹持拉胶机构、切胶机构及贴胶机构共同实现电芯的贴胶，自动化程度较高。且在电芯上的夹持拉胶机构的带动下，胶带依次经过切胶机构及贴胶机构，并在贴胶机构的作用下压贴于电芯上，胶带的输送路径较短，且各个机构之间配合紧密，增加了电芯贴胶设备的贴胶效率，此外，驱动机构采用同一电机同步驱动多个机构，在进一步提高电芯贴胶设备的工作效率的基础上，降低了电芯贴胶设备的体积及能耗。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上所述仅为本申请的较佳实施例，并非用于限定本申请的保护范围。凡在本申请的精神和原则之内所作的任何修改、等同替换、改进等，均包含在本申请的保护范围内。

Claims (19)

  1. 一种电芯贴胶设备，包括：
    工装板，用于承载电芯；
    夹持拉胶机构，位于所述工装板的上方，所述夹持拉胶机构用于夹持胶带并带动所述胶带沿水平且向靠近所述电芯的方向移动；
    切胶机构，沿所述胶带的输送方向，所述切胶机构位于所述工装板的上游，所述切胶机构用于将所述胶带切割为胶带段；
    贴胶机构，位于所述工装板的上方，所述贴胶机构用于将所述胶带段压贴于所述电芯；
    驱动机构，所述驱动机构连接所述夹持拉胶机构、所述切胶机构及所述贴胶机构，以同步驱动所述夹持拉胶机构、所述切胶机构及所述贴胶机构。
  2. 根据权利要求1所述的电芯贴胶设备，所述驱动机构包括电机和传动组件，所述电机通过所述传动组件连接所述夹持拉胶机构、所述切胶机构及所述贴胶机构，以同步驱动所述夹持拉胶机构、所述切胶机构及所述贴胶机构。
  3. 根据权利要求2所述的电芯贴胶设备，所述电芯贴胶设备还包括备胶机构，所述备胶机构位于所述切胶机构远离所述工装板的一侧，所述备胶机构用于承载所述胶带并向靠近所述工装板的方向输送所述胶带。
  4. 根据权利要求1至3中任一项所述的电芯贴胶设备，所述驱动机构包括：
    输出轴；和
    至少一个凸轮驱动组，所述至少一个凸轮驱动组由所述输出轴驱动。
  5. 根据权利要求4所述的电芯贴胶设备，每个所述凸轮驱动组包括：
    凸轮，所述凸轮固定连接到所述输出轴；
    滚轮，所述滚轮设置于所述第一连接板上，且所述凸轮与所述滚轮相抵接；
    第一连接板及连杆，，所述连杆的一端与所述第一连接板连接，所述连杆的另一端与待驱动机构连接，所述凸轮通过所述滚轮及所述第一连接板带动所述连杆沿竖直方向移动，所述待驱动机构为所述夹持拉胶机构、所述切胶机构及所述贴胶机构中的至少一种。
  6. 根据权利要求5所述的电芯贴胶设备，所述连杆包括第一部段及第二部段，所述第一部段与所述第二部段螺纹连接，且所述第一部段与所述第二部段的螺纹连接深度可调。
  7. 根据权利要求5或6所述的电芯贴胶设备，每个凸轮驱动组还包括第一杆端轴承，连杆的一端通过第一杆端轴承与第一连接板连接，第一杆端轴承与连杆螺纹连接，且连杆与第一杆端轴承的螺纹连接深度可调；并且/或者
    每个凸轮驱动组还包括第二杆端轴承，连接杆的另一端通过第二杆端轴承与待驱动机构连接，第二杆端轴承与连杆螺纹连接，且连杆与第二杆端轴承的螺纹连接深度可调。
  8. 根据权利要求5或6或7所述的电芯贴胶设备，所述驱动机构还包括编码器，所述编码器用于控制所述凸轮的转动角度。
  9. 根据权利要求3至8中任一项所述的电芯贴胶设备，所述电芯贴胶设备还包括开胶机构，所述开胶机构位于所述备胶机构与所述切胶机构之间，所述开胶机构用于为所述胶带提供向下的压力，以使至少部分所述胶带脱离所述备胶机构。
  10. 根据权利要求9所述的电芯贴胶设备，所述电芯贴胶设备还包括安装板，所述开胶机构包括设置于所述安装板上的第一过辊、第二过辊及第三过辊，所述第二过辊位于所述第一过辊及所述第三过辊之间，且所述第二过辊可沿竖直方向移动，所述胶带依次经过所述第一过辊的最高点，所述第二过辊的最低点及所述第三过辊的最高点。
  11. 根据权利要求10所述的电芯贴胶设备，所述开胶机构还包括设置于所述安装板上且沿竖直方向延伸的第一轨道，所述第二过辊与所述第一轨道滑动连接；
    所述电机还用于同步驱动所述夹持拉胶机构、所述切胶机构、所述贴胶机构及所述第二过辊。
  12. 根据权利要求10或11所述的电芯贴胶设备，所述电芯贴胶设备还包括第一导向辊和第二导向辊，所述第一导向辊和所述第二导向辊位于所述开胶机构与所述切胶机构之间，所述胶带依次经过所述第一导向辊的最低点及所述第二导向辊的最高点。
  13. 根据权利要求3至12中任一项所述的电芯贴胶设备，所述备胶机构包括胶带安装辊及与所述胶带安装辊连接的制动器，所述胶带安装于所述胶带安装辊上，所述制动器用于控制所述胶带安装辊的转动状态。
  14. 根据权利要求1至13中任一项所述的电芯贴胶设备，所述电芯贴胶设备还包括压胶机构，所述压胶机构位于所述切胶机构的远离所述工装板的一侧，所述压胶机构用于固定所述胶带。
  15. 根据权利要求14所述的电芯贴胶设备，所述压胶机构包括支撑块和位于所述支撑块上方的压胶滑块，所述压胶滑块可沿竖直方向移动，所述胶带位于所述压胶滑块与所述支撑块之间；
    所述驱动机构与所述压胶滑块连接，以同步驱动所述夹持拉胶机构、所述切胶机构、所述贴胶机构及所述压胶滑块。
  16. 根据权利要求1至15中任一项所述的电芯贴胶设备，所述贴胶机构包括沿竖直方向延伸的第二导轨和与所述第二导轨滑动连接的压块结构，所述驱动机构与所述压块结构连接，以驱动所述压块结构相对于所述第二导轨滑动。
  17. 根据权利要求16所述的电芯贴胶设备，所述压块结构包括第一压块、至少一个第一连接杆、至少一个第二连接杆、第二压块，所述第一压块与所述传动组件连接，且所述第一压块通过所述至少一个第一连接杆及至少一个第二连接杆与所述第二压块连接，所述至少一个第一连接杆或所述至少一个第二连接杆包括弹性件。
  18. 根据权利要求1至17中任一项所述的电芯贴胶设备，所述驱动机构还包括气缸组件；
    所述夹持拉胶机构包括第一夹块及第二夹块，所述气缸组件与所述第一夹块和/或所述第二夹块连接，以驱动所述第一夹块和/或所述第二夹块沿竖直方向移动。
  19. 一种电芯贴胶设备的制作方法，包括：
    提供工装板，所述工装板用于承载电芯；
    提供夹持拉胶机构，所述夹持拉胶机构位于所述工装板的上方，所述夹持拉胶机构用于夹持胶带并带动所述胶带沿水平且向靠近所述电芯的方向移动；
    提供切胶机构，沿所述胶带的输送方向，所述切胶机构位于所述工装板的前方，所述切胶机构用于将所述胶带切割为胶带段；
    提供贴胶机构，所述贴胶机构位于所述工装板的上方，所述贴胶机构用于将所述胶带段压贴于所述电芯；
    提供驱动机构，所述驱动机构连接所述夹持拉胶机构、所述切胶机构及所述贴胶机构，以同步驱动所述夹持拉胶机构、所述切胶机构及所述贴胶机构。
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US20230330945A1 (en) 2023-10-19

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