Adhesive tape conveying mechanism and battery manufacturing equipment

Abstract

The utility model discloses an adhesive tape conveying mechanism and battery manufacturing equipment, the adhesive tape conveying mechanism comprises a base and a conveying roller, and the conveying roller is rotatably arranged on the base in one direction. The conveying roller is rotationally arranged on the base in the one-way mode, the conveying roller cannot rotate reversely, and when the conveying of the adhesive tape is stopped, the conveying roller is not prone to reversing under the action of the tension of the adhesive tape, so that the possibility of residual glue on the roller surface of the conveying roller is reduced, and the gluing quality and the gluing efficiency are improved.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a tape conveying mechanism and battery manufacturing equipment. Background Art

[0002] With the development of new energy technology, batteries are being used more and more widely. Batteries have high energy density, high safety, long service life, and are green and environmentally friendly to the social environment. They have been widely used in passenger cars, commercial vehicles, electric bicycles, heavy trucks, energy storage facilities, battery swap stations, engineering manufacturing, smart equipment, etc. At the same time, they also promote technical development and research in communications, medical equipment, energy development, etc.

[0003] During the battery production process, it is necessary to apply tape (film) to the battery cells to seal and insulate them to prevent external liquids or other foreign matter from entering the battery cells and causing short circuits. However, in existing battery manufacturing equipment, the equipment is prone to sticking during the gluing process, which affects the gluing quality and efficiency. Utility Model Content

[0004] The embodiments of the present application provide a tape conveying mechanism and a battery manufacturing device, which can effectively improve the quality and efficiency of glue pasting.

[0005] In a first aspect, an embodiment of the present application provides a tape conveying mechanism, which includes a base and a conveying roller, wherein the conveying roller is rotatably disposed on the base in one direction.

[0006] In the above technical solution, the conveying roller is unidirectionally rotatable on the base, and the conveying roller cannot rotate in the reverse direction. When the conveying tape stops, the conveying roller is not easy to reverse under the action of the tape tension, thereby reducing the possibility of residual glue on the roller surface of the conveying roller and improving the glue sticking quality and efficiency.

[0007] In some embodiments, the tape conveying mechanism further includes a one-way bearing, and at least one end of the conveying roller is mounted on the base via the one-way bearing.

[0008] In the above technical solution, at least one end of the conveying roller is installed on the base through a one-way bearing. The one-way bearing is provided to facilitate the installation of the conveying roller. The one-way bearing has a simple structure, mature technology, and is easy to produce.

[0009] In some embodiments, the roller surface of the conveying roller is provided with an anti-stick coating.

[0010] In the above technical solution, the anti-stick coating is provided, which can further reduce the possibility of glue residue on the roller surface of the conveying roller, thereby further improving the glue laminating quality and glue laminating efficiency.

[0011] In some embodiments, the anti-stick coating includes a Teflon coating.

[0012] In the above technical solution, the provision of the Teflon coating can reduce the possibility of colloid residue on the roller surface of the conveying roller. At the same time, the Teflon coating has a higher overall performance and a long service life, which can increase the service life of the conveying roller.

[0013] In some embodiments, along the axial direction of the conveying roller, the conveying roller includes a first section, a second section, and a third section connected in sequence, and the roller surface of the first section and the roller surface of the third section are provided with the anti-stick coating.

[0014] In the above technical solution, along the axial direction of the conveying roller, the conveying roller includes a first section, a second section and a third section connected in sequence. The conveying roller is suitable for synchronously conveying multiple tapes to improve conveying efficiency. The roller surface of the first section and the roller surface of the third section are provided with an anti-stick coating, which can reduce the possibility of colloid residue in the first section and the third section, while controlling costs.

[0015] In some embodiments, the roller surface of the conveying roller is provided with concave-convex patterns.

[0016] In the above technical solution, the roller surface of the conveyor roller is provided with concave-convex patterns, which can reduce the contact area between the roller surface of the conveyor roller and the tape, thereby reducing the contact area between the roller surface of the conveyor roller and the adhesive surface of the tape, further reducing the possibility of colloid residue.

[0017] In some embodiments, along the axial direction of the conveying roller, the conveying roller includes a first section, a second section, and a third section connected in sequence, and the roller surface of the first section and the roller surface of the third section are provided with concave-convex patterns.

[0018] In the above technical solution, the roller surface of the conveying roller is provided with concave-convex patterns, which can reduce the contact area between the roller surface of the first and third sections and the tape, thereby reducing the contact area between the first and third sections and the adhesive surface of the tape, further reducing the possibility of colloid residue.

[0019] In some embodiments, along the axial direction of the conveying roller, the conveying roller includes a first section, a second section and a third section connected in sequence, and the roller surface of the first section and the roller surface of the third section are provided with a Teflon coating and concave-convex patterns.

[0020] In the above technical solution, the roller surfaces of the first section and the third section are provided with Teflon coating and concave-convex textures, which can further reduce the possibility of colloid residue on the roller surfaces of the first section and the third section.

[0021] In some embodiments, a plurality of conveying rollers are provided, and the plurality of conveying rollers are arranged at intervals along the running direction of the adhesive tape, and the plurality of conveying rollers rotate in the same direction.

[0022] In the above technical solution, multiple conveying rollers are provided, which can reduce the possibility of the adhesive tape slipping on the conveying rollers.

[0023] In some embodiments, the tape conveying mechanism further includes a pressing plate, and the pressing plate and the conveying roller form a gap for the tape to pass through.

[0024] In the above technical solution, when the adhesive tape stops being transported, the pressure plate and the transport roller cooperate to clamp the adhesive tape, which can reduce the possibility of the adhesive tape slipping.

[0025] In some embodiments, the pressure plate is a flexible member.

[0026] In the above technical solution, the pressure plate is a flexible member, which can reduce the degree of scratching on the tape and improve the quality of glue application.

[0027] In some embodiments, the material of the pressing plate includes silicone.

[0028] In the above technical solution, the silicone pressing block has better wear resistance and long service life, and can improve the service life of the belt conveying mechanism.

[0029] In some embodiments, the tape conveying mechanism further includes a driving member installed on the base, and the driving member is used to drive the pressing plate to approach or move away from the conveying roller.

[0030] In the above technical solution, a driving member is provided to drive the pressure plate to move, which can improve the degree of automation of the tape conveying mechanism and improve production efficiency.

[0031] In some embodiments, the tape conveying mechanism further includes a guide roller, which is mounted on the base and arranged on a feed side of the conveying roller along a running direction of the tape.

[0032] In the above technical solution, the guide roller is provided to guide the adhesive tape into the conveying roller, guide the adhesive tape to be conveyed smoothly, and reduce the possibility of the adhesive tape being deviated.

[0033] In a second aspect, an embodiment of the present application further provides a battery manufacturing device, the battery manufacturing device comprising the tape conveying mechanism provided in any of the above embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1A schematic diagram of the structure of a tape conveying mechanism in some embodiments of the present application;

[0036] Figure 2 A schematic diagram of the structure of a conveying roller in some embodiments of the present application;

[0037] Figure 3 It is a schematic diagram of the structure of the conveying roller of some other embodiments of the present application;

[0038] Figure 4 It is a schematic diagram of the structure of the conveying roller of some other embodiments of the present application;

[0039] Figure 5 This is a schematic structural diagram from another angle of the tape conveying mechanism of some embodiments of the present application.

[0040] Icons: 100-tape conveying mechanism; 10-base; 11-vertical plate; 111-installation part; 112-waist-shaped hole; 12-first horizontal plate; 13-second horizontal plate; 20-conveying roller; 21-first section; 22-second section; 23-third section; anti-stick coating 24; 30-one-way bearing; 40-pressure plate; 50-driving part; 60-guide roller; X-tape running direction. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0042] Unless otherwise defined, all technical and scientific terms used in this application have the same meanings as those commonly understood by technicians in the technical field of this application; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned drawings and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order or a primary and secondary relationship.

[0043] Reference to "embodiment" in this application means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments.

[0044] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "attached" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0045] In the description of the present application, it should be noted that, unless otherwise specified, "multiple" means more than two; the terms "upper", "lower", "left", "right", "inside", "outside", etc., indicating directions or positional relationships, are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc., are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. "Vertical" is not strictly vertical, but is within the allowable error range. "Parallel" is not strictly parallel, but is within the allowable error range.

[0046] The term "and / or" in this application is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this application generally indicates that the associated objects before and after are in an "or" relationship.

[0047] In the embodiments of the present application, the same reference numerals represent the same components, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width and other dimensions of various components in the embodiments of the present application shown in the drawings, as well as the overall thickness, length, width and other dimensions of the integrated device are only exemplary descriptions and should not constitute any limitation to the present application.

[0048] The term "plurality" used in the present application refers to two or more (including two).

[0049] In the present application, battery cells may include but are not limited to lithium-ion secondary batteries, lithium-ion primary batteries, lithium-sulfur batteries, sodium-lithium-ion batteries, sodium-ion batteries or magnesium-ion batteries, etc. Battery cells include but are not limited to cylinders, flat bodies, rectangular parallelepipeds or other shapes, etc. Battery cells generally include cylindrical battery cells, square battery cells and soft-pack battery cells, etc., according to the packaging method.

[0050] The battery cell includes an electrode assembly and an electrolyte. The electrode assembly is composed of a positive electrode sheet, a negative electrode sheet and a separator. The battery cell mainly relies on the movement of metal ions between the positive electrode sheet and the negative electrode sheet to work. The positive electrode sheet includes a positive electrode collector and a positive electrode active material layer. The positive electrode active material layer is coated on the surface of the positive electrode collector. The positive electrode collector not coated with the positive electrode active material layer protrudes from the positive electrode collector coated with the positive electrode active material layer. The positive electrode collector not coated with the positive electrode active material layer serves as the positive electrode tab. Taking lithium-ion batteries as an example, the material of the positive electrode collector can be aluminum, and the positive electrode active material can be lithium cobalt oxide, lithium iron phosphate, ternary lithium or lithium manganese oxide, etc. The negative electrode sheet includes a negative electrode collector and a negative electrode active material layer. The negative electrode active material layer is coated on the surface of the negative electrode collector. The negative electrode collector not coated with the negative electrode active material layer protrudes from the negative electrode collector coated with the negative electrode active material layer. The negative electrode collector not coated with the negative electrode active material layer serves as the negative electrode tab. The negative electrode current collector may be made of copper, and the negative electrode active material may be carbon or silicon. In order to ensure that a large current can pass without melting, the positive electrode tabs are multiple and stacked together, and the negative electrode tabs are multiple and stacked together. The material of the separator may be PP (polypropylene) or PE (polyethylene). In addition, the electrode assembly may be a wound structure or a laminated structure.

[0051] The battery mentioned in the embodiments of the present application refers to a single physical module including one or more battery cells to provide higher voltage and capacity. For example, the battery mentioned in the present application may include a battery module or a battery pack. The battery generally includes a box for encapsulating one or more battery cells. The box can reduce the impact of liquid or other foreign matter on the charging or discharging of the battery cells.

[0052] In some embodiments, the box body can be used as a part of the chassis structure of the vehicle. For example, part of the box body can become at least a part of the floor of the vehicle, or part of the box body can become at least a part of the cross beam and longitudinal beam of the vehicle.

[0053] In some embodiments, the battery may be an energy storage device, which includes an energy storage container, an energy storage cabinet, and the like.

[0054] One of the core components of a battery cell is the battery cell. The battery cell is a single electrochemical component that includes a positive electrode sheet and a negative electrode sheet. A tape conveying mechanism is required when gluing the battery cell. The conveying roller of the existing conveying tape is a bidirectional roller (which can rotate both forward and reverse). The conveying roller faces the adhesive surface of the tape. The tape can drive the conveying roller to rotate forward through friction, that is, the conveying roller can rotate forward under the action of the tape, but when the conveying tape stops, the tape will drive the conveying roller to reverse (reverse rotation) under the action of the tape tension. The tape is repeatedly pulled forward and reverse on the conveying roller, resulting in the colloid on the adhesive surface of the tape remaining on the roller surface of the conveying roller. The adhesive surface of the colloid is uneven, the tape is adhered to the conveying roller, and the subsequent tape material is difficult to remove, which affects the subsequent processes such as cutting glue and affects the gluing quality and gluing efficiency.

[0055] In view of this, in order to solve the problem of poor glue laminating quality and low glue laminating efficiency caused by residual glue on the roller surface of the conveyor roller, the embodiment of the present application improves a technical solution, considering setting the conveyor roller as a one-way roller, and the conveyor roller can only rotate in one direction. With such an arrangement, when the conveying tape stops, the conveyor roller is not easy to reverse under the action of the tape tension, thereby reducing the possibility of residual glue on the roller surface of the conveyor roller and improving the glue laminating quality and efficiency.

[0056] The technical solution described in the embodiment of the present application is applicable to conveying tape in the manufacturing process of batteries and electrical equipment. The technical solution described in the embodiment of the present application is also applicable to conveying tape in a winding or unwinding device. For ease of description, the following description is based on an example of a tape conveying mechanism for battery manufacturing.

[0057] The embodiment of the present application provides a tape conveying mechanism 100, which can improve the quality and efficiency of glue laminating. The specific structure of the tape conveying mechanism 100 is described in detail below with reference to the accompanying drawings.

[0058] Reference Figure 1 , Figure 1 Schematic diagram of the structure of the tape conveying mechanism 100 according to some embodiments of the present application.

[0059] The embodiment of the present application provides a tape conveying mechanism 100 , which includes a base 10 and a conveying roller 20 . The conveying roller 20 is rotatably disposed on the base 10 in one direction.

[0060] The base 10 is a mounting base for the conveying roller 20 , and the base 10 may be a frame structure like a frame, or may be an operating table.

[0061] The conveyor roller 20 is a roller structure with a conveying function, and the conveyor roller 20 is used to convey the adhesive tape. The conveyor roller 20 can rotate to convey the adhesive tape. When in use, the conveyor roller 20 faces the adhesive surface of the adhesive tape. For example, the conveyor roller 20 rotates under the drive of a motor (not shown in the figure), and the conveyor roller 20 contacts the adhesive surface of the adhesive tape and the conveyor roller 20 drives the adhesive tape to move by friction. For another example, the conveyor roller 20 can be passively rotated, for example, the adhesive tape is pulled to move by a traction mechanism (not shown in the figure), and the adhesive surface of the adhesive tape contacts the conveyor roller 20 and the adhesive tape drives the conveyor roller 20 to rotate by friction.

[0062] The conveying roller 20 is rotatably disposed on the base 10 in one direction, which means that the conveying roller 20 can only rotate in one direction and cannot rotate in the reverse direction. Specifically, the rotation of the conveying roller 20 along the running direction X of the tape is forward rotation, and the rotation of the conveying roller 20 in the direction opposite to the running direction X of the tape is reverse rotation. The conveying roller 20 is rotatable in one direction, that is, the conveying roller 20 is locked in the reverse direction, and the conveying roller 20 can only rotate in the forward direction.

[0063] The conveying roller 20 is unidirectionally rotatably arranged on the base 10. The conveying roller 20 cannot rotate in the reverse direction. When the conveying tape stops, the conveying roller 20 is not easy to reverse under the action of the tape tension, thereby reducing the possibility of residual glue on the roller surface of the conveying roller 20 and improving the glue sticking quality and efficiency.

[0064] Reference Figure 1 In some embodiments, the tape conveying mechanism 100 further includes a one-way bearing 30 , and at least one end of the conveying roller 20 is mounted on the base 10 through the one-way bearing 30 .

[0065] The one-way bearing 30 is a bearing that can rotate freely in one direction and is locked in the other direction, that is, the inner ring of the one-way bearing 30 rotates in the forward direction and is locked in the reverse direction. Specifically, the outer ring of the one-way bearing 30 is connected to the base, and the conveying roller 20 is connected to the inner ring of the one-way bearing 30, so that the conveying roller 20 is synchronized with the inner ring of the one-way bearing 30, and the conveying roller 20 rotates in the forward direction and is locked in the reverse direction. Figure 1 The outer ring of the one-way bearing 30 is shown in Figure 1 The inner ring of the illustrated angular one-way bearing 30 is not visible.

[0066] At least one end of the conveying roller 20 is mounted on the base 10 through a one-way bearing 30, which means that one or two one-way bearings 30 can be provided. In order to balance the forces at both ends of the conveying roller 20, optionally, as Figure 1 As shown, two one-way bearings 30 may be provided, and both ends of the conveying roller 20 are respectively mounted on the base 10 through the one-way bearings 30 .

[0067] The one-way bearing 30 and the base 10 can be connected by welding, bonding, screwing, etc.

[0068] At least one end of the conveying roller 20 is installed on the base 10 through a one-way bearing 30. The one-way bearing 30 is provided to facilitate the installation of the conveying roller 20. The one-way bearing 30 has a simple structure, mature technology, and is easy to produce.

[0069] Of course, in other embodiments, the one-way bearing 30 may not be provided. For example, in some embodiments, two ratchet pawls (not shown in the figure) may be provided. Along the axial direction of the conveying roller 20, the two ends of the conveying roller 20 are respectively matched with the two ratchet pawls, so that the conveying roller 20 can only rotate in one direction. When the conveying roller 20 reverses, the ratchet pawls clamp the conveying roller 20, and the conveying roller 20 is locked in the reverse direction and cannot rotate in the reverse direction.

[0070] Reference Figure 2 , Figure 2 This is a schematic diagram of the structure of the conveying roller 20 of some embodiments of the present application. In some embodiments, the roller surface of the conveying roller 20 is provided with an anti-stick coating.

[0071] The anti-stick coating refers to a thin layer coated on the roller surface of the conveyor roller 20. Anti-stick means that the colloid is not easy to stick or remain. The anti-stick coating is coated on the roller surface of the conveyor roller 20. The anti-stick coating is the surface of the conveyor roller 20 that contacts the tape. The roller surface of the conveyor roller 20 can be fully coated with the anti-stick coating. Of course, in order to save costs, the anti-stick coating can also be set only at part of the conveyor roller 20. For example, Figure 2 As shown, the conveying roller 20 is used to convey two adhesive tapes simultaneously, and the middle portion of the conveying roller 20 does not contact the adhesive tapes and therefore is not provided with an anti-stick coating.

[0072] Providing an anti-stick coating can further reduce the possibility of glue residue on the roller surface of the conveying roller 20, thereby further improving the glue laminating quality and glue laminating efficiency.

[0073] In some embodiments, the anti-stick coating includes a Teflon coating.

[0074] Teflon is a polytetrafluoroethylene material. Teflon coating is also called non-stick coating. It is a synthetic polymer material that uses fluorine to replace all hydrogen atoms in polyethylene. Teflon coating is resistant to acid and alkali, and various organic solvents, and is almost insoluble in all solvents. At the same time, it is also resistant to high temperatures. Its friction coefficient is extremely low, and it can be used as a lubricant in related technologies. Therefore, colloids are not easy to adhere to Teflon coatings.

[0075] Providing a Teflon coating can reduce the possibility of colloid residue on the roller surface of the conveying roller 20 . Meanwhile, the Teflon coating has a higher overall performance and a longer service life, and can increase the service life of the conveying roller 20 .

[0076] Of course, in other embodiments, the Teflon coating may not be provided. For example, a ceramic coating may be provided, which can also reduce the possibility of colloid residue on the roller surface of the conveying roller 20 .

[0077] In order to improve the transmission efficiency, the transmission roller 20 can transmit multiple tapes at a time. Figure 3 and Figure 2 , Figure 3 Schematic diagram of the structure of the conveyor roller 20 in some other embodiments of the present application. In some embodiments, along the axial direction of the conveyor roller 20, the conveyor roller 20 includes a first section 21, a second section 22 and a third section 23 connected in sequence, and the roller surface of the first section 21 and the roller surface of the third section 23 are provided with an anti-stick coating.

[0078] It can be understood that the first section 21 can correspond to a tape, and the third section 23 corresponds to a tape. The two tapes are arranged at intervals along the axial direction of the conveying roller 20. The two tapes are spaced apart to avoid interference with each other. The spacing between the two tapes corresponds to the second section 22. The second section 22 does not convey the tape. Since the first section 21 and the third section 23 are in contact with the tape, an anti-stick coating needs to be provided to reduce the colloid residue in the first section 21 and the third section 23.

[0079] The first section 21, the second section 22 and the third section 23 can be integrally formed, or can be manufactured separately and then fixedly connected. The materials of the first section 21, the second section 22 and the third section 23 can be the same or different. For the convenience of manufacturing, the first end, the second section 22 and the third section 23 are integrally formed.

[0080] The roller surface of the first section 21 and the roller surface of the third section 23 are provided with an anti-stick coating, that is, the second section 22 is not provided with an anti-stick coating, so as to reduce the usage of the anti-stick coating and control the cost.

[0081] Of course, in other embodiments, along the axial direction of the conveying roller 20, the conveying roller 20 may also include a fourth section, a fifth section, a sixth section (not shown in the figure), etc., so as to be suitable for synchronously conveying more tapes.

[0082] Along the axial direction of the conveying roller 20, the conveying roller 20 includes a first section 21, a second section 22 and a third section 23 which are connected in sequence. The conveying roller 20 is suitable for synchronously conveying multiple tapes to improve conveying efficiency. The roller surface of the first section 21 and the roller surface of the third section 23 are provided with an anti-stick coating, which can reduce the possibility of colloid residue in the first section 21 and the third section 23, while controlling costs.

[0083] Reference Figure 4 , Figure 4 Schematic diagram of the structure of the conveying roller 20 in some other embodiments of the present application. In some embodiments, the roller surface of the conveying roller 20 is provided with concave-convex patterns.

[0084] The concavo-convex pattern is a structure with both concave and convex parts. Compared with a smooth roller surface, the roller surface with the concavo-convex pattern has a smaller contact area with the tape. The concavo-convex pattern can be a regular pattern or an irregular pattern. Optionally, the roller surface of the conveying roller 20 is knurled to form the concavo-convex pattern.

[0085] The roller surface of the conveying roller 20 is provided with concave-convex patterns, which can reduce the contact area between the roller surface of the conveying roller 20 and the adhesive tape, thereby reducing the contact area between the roller surface of the conveying roller 20 and the adhesive surface of the adhesive tape, further reducing the possibility of colloid residue.

[0086] Continue to refer to Figure 4 In some embodiments, along the axial direction of the conveying roller 20, the conveying roller 20 includes a first section 21, a second section 22 and a third section 23 connected in sequence, and the roller surface of the first section 21 and the roller surface of the third section 23 are provided with concave-convex patterns.

[0087] It can be understood that the first section 21 can correspond to a tape, and the third section 23 can correspond to a tape. The two tapes are arranged at intervals along the axial direction of the conveying roller 20. The two tapes are spaced apart to avoid interference with each other. The spacing between the two tapes corresponds to the second section 22. The second section 22 does not convey the tape. Since the first section 21 and the third section 23 are in contact with the tape, it is necessary to set a concave and convex texture to reduce the colloid residue in the first section 21 and the third section 23.

[0088] The first section 21, the second section 22 and the third section 23 can be integrally formed, or can be manufactured separately and then fixedly connected. The materials of the first section 21, the second section 22 and the third section 23 can be the same or different. For the convenience of manufacturing, the first end, the second section 22 and the third section 23 are integrally formed.

[0089] The roller surface of the first section 21 and the roller surface of the third section 23 are provided with concave-convex patterns, that is, the second section 22 is not provided with concave-convex patterns, so as to reduce the manufacturing difficulty.

[0090] The roller surface of the conveying roller 20 is provided with concave-convex patterns, which can reduce the contact area between the roller surface of the first section 21 and the third section 23 and the tape, thereby reducing the contact area between the first section 21 and the third section 23 and the adhesive surface of the tape, further reducing the possibility of colloid residue.

[0091] In some embodiments, along the axial direction of the conveying roller 20, the conveying roller 20 includes a first section 21, a second section 22 and a third section 23 connected in sequence, and the roller surfaces of the first section 21 and the third section 23 are provided with Teflon coating and concave-convex textures.

[0092] That is, in the embodiment where the conveying roller 20 includes the first section 21 , the second section 22 and the third section 23 , the roller surface of the first section 21 and the roller surface of the third section 23 can be provided with Teflon coating and concave-convex texture at the same time.

[0093] Providing Teflon coating and concave-convex textures on the roller surface of the first section 21 and the roller surface of the third section 23 can further reduce the possibility of colloid remaining on the roller surface of the first section 21 and the roller surface of the third section 23 .

[0094] When the tape stops being transported, the conveyor roller 20 needs to prevent the tape from slipping by friction. Increasing the friction of the conveyor roller 20 will cause colloid residue, so it is possible to consider providing multiple conveyor rollers 20. In some embodiments, multiple conveyor rollers 20 are provided, and the multiple conveyor rollers 20 are arranged at intervals along the tape running direction X of the tape, and the multiple conveyor rollers 20 rotate in the same direction.

[0095] Here, "plurality" means that two or more conveying rollers 20 are provided. The number of conveying rollers 20 provided includes but is not limited to one, two, three, etc. For example, Figures 1 to 4 In the embodiment, two conveying rollers 20 are provided.

[0096] The plurality of conveying rollers 20 rotate in the same direction, so that the adhesive tape can be conveyed in the same direction.

[0097] Providing a plurality of conveying rollers 20 can reduce the possibility of the adhesive tape slipping on the conveying rollers 20 .

[0098] Reference Figure 1 In some embodiments, the tape conveying mechanism 100 further includes a pressing plate 40 , and the pressing plate 40 and the conveying roller 20 form a gap for the tape to pass through.

[0099] Exemplarily, two pressure plates 40 are provided, and the two pressure plates 40 are arranged at intervals along the axial direction of the conveying roller 20, one pressure plate 40 corresponds to the first section 21, and one pressure plate 40 corresponds to the third section 23, so that the parallelism requirement between the pressure plate 40 and the conveying roller 20 can be reduced.

[0100] The pressing plate 40 may be configured as a rectangular plate, a circular plate, an elliptical plate, a special-shaped plate, or the like.

[0101] When the adhesive tape stops being transported, the pressing plate 40 cooperates with the transport roller 20 to clamp the adhesive tape, thereby reducing the possibility of the adhesive tape slipping.

[0102] Of course, in other embodiments, the pressing plate 40 may not be provided, for example, a pressing roller may be provided, and the pressing roller cooperates with the conveying roller 20 .

[0103] In some embodiments, the pressure plate 40 is a flexible member.

[0104] The pressing plate 40 is a flexible member, which means that the pressing plate 40 is made of non-rigid material, and can be deformed when the pressing plate 40 is subjected to force, and can return to its original state when no force is applied. Materials such as silicone, rubber, and plastic can be used.

[0105] The pressing plate 40 is a flexible member, which can reduce the degree of scratching the adhesive tape and improve the quality of adhesive application.

[0106] In some embodiments, the material of the pressing plate 40 includes silicone.

[0107] The silicone pressing block has better wear resistance and a long service life, and can increase the service life of the belt conveying mechanism 100.

[0108] Reference Figure 1 In some embodiments, the tape conveying mechanism 100 further includes a driving member 50 , which is mounted on the base 10 , and is used to drive the pressing plate 40 to move closer to or away from the conveying roller 20 .

[0109] The driving member 50 is a component for driving the pressing plate 40 to move, and the driving member 50 can be installed on the base 10 by welding, bonding, screwing, etc. The driving member 50 includes but is not limited to a cylinder, a motor, and the like.

[0110] Providing a driving member 50 to drive the pressing plate 40 to move can improve the automation level of the tape conveying mechanism 100 and increase production efficiency.

[0111] Reference Figure 5 , Figure 5 Schematic diagram of the structure of the belt conveyor 100 of some embodiments of the present application from another angle. In some embodiments, the belt conveyor mechanism 100 further includes a guide roller 60, which is mounted on the base 10 and is disposed on the feed side of the conveyor roller 20 along the belt running direction X of the belt.

[0112] The guide roller 60 is a component for guiding the adhesive tape. The guide roller 60 is parallel to the conveying roller 20 , and can guide the adhesive tape to enter the conveying roller 20 .

[0113] The guide roller 60 is disposed on the feeding side of the conveying roller 20 , which is the side where the adhesive tape enters the conveying roller 20 .

[0114] The guide roller 60 can guide the adhesive tape to enter the conveying roller 20, guide the adhesive tape to be conveyed smoothly, and reduce the possibility of the adhesive tape being deviated.

[0115] In some embodiments, the guide roller 60 is provided with a plurality of convex rings 61, which are arranged at intervals along the axial direction of the guide roller 60, and the convex rings 61 extend around the circumference of the guide roller 60. The convex rings 61 can limit the edge of the tape, so that the tape is limited between two adjacent convex rings 61, reducing the possibility of tape deviation.

[0116] Reference Figure 1In some embodiments, the base 10 includes a vertical plate 11, a first horizontal plate 12, and a second horizontal plate 13. The first horizontal plate 12 and the second horizontal plate 13 are arranged at intervals in a direction perpendicular to the axial direction of the conveying roller 20. One end of the first horizontal plate 12 is connected to the vertical plate 11, and the other end is suspended. One end of the second horizontal plate 13 is connected to the vertical plate 11, and the other end is suspended. That is, the first horizontal plate 12 and the second horizontal plate 13 are cantilever structures, which can reduce the footprint of the fixed point of the tape conveyor.

[0117] The one-way bearing 30 is mounted on the first transverse plate 12, and the conveying roller 20 is mounted on the first transverse plate 12 through the one-way bearing 30. The driving member 50 is mounted on the first transverse plate 12. The guide roller 60 is arranged on the vertical plate 11, and the guide roller 60 is parallel to the conveying roller 20.

[0118] In order to improve the connection strength between the first transverse plate 12 and the vertical plate 11 , the vertical plate 11 is provided with a mounting portion 111 , and the mounting portion 111 may be provided with a groove (not shown in the figure), and the one-way bearing 30 close to the vertical plate 11 is installed in the groove of the mounting portion 111 .

[0119] In one embodiment, the thickness directions of the vertical plate 11 , the first horizontal plate 12 and the horizontal plate are perpendicular to each other.

[0120] In some embodiments, the vertical plate 11 is provided with a plurality of waist-shaped holes 112 , which are arranged at intervals along the tape running direction X. The second horizontal plate 13 is installed in the waist-shaped holes 112 , which facilitate adjusting the position of the second horizontal plate 13 .

[0121] An embodiment of the present application further provides a battery manufacturing device, and the battery manufacturing device includes the tape conveying mechanism 100 provided in any of the above embodiments.

[0122] In some embodiments, the tape conveying mechanism 100 also includes a glue cutting mechanism, which is used to cut the tape conveyed by the tape conveying mechanism 100. When the glue cutting mechanism cuts the tape, the tape conveying mechanism 100 stops conveying, and the conveying roller 20 can only rotate forward along the conveying direction to tension the tape. The conveying mechanism is locked in the reverse direction and is not easy to reverse. The roller surface of the conveying roller 20 is not easy to have residual glue, which improves the glue sticking quality and glue sticking efficiency, and can improve the battery quality.

[0123] The embodiment of the present application further provides a tape conveying mechanism 100 , which includes a base 10 , a conveying roller 20 , a silicone pressure plate 40 , a one-way bearing 30 , a driving member 50 and a guide roller 60 .

[0124] The base 10 includes a vertical plate 11, a first horizontal plate 12, and a second horizontal plate 13. The first horizontal plate 12 and the second horizontal plate 13 are arranged at intervals in a direction perpendicular to the axial direction of the conveying roller 20, one end of the first horizontal plate 12 is connected to the vertical plate 11, and the other end is suspended, one end of the second horizontal plate 13 is connected to the vertical plate 11, and the other end is suspended, and the thickness directions of the vertical plate 11, the first horizontal plate 12, and the horizontal plates are perpendicular to each other.

[0125] The one-way bearing 30 is mounted on the first transverse plate 12 .

[0126] Two conveyor rollers 20 are provided, and the two conveyor rollers 20 are arranged at intervals in the tape running direction X of the rubber tape, and the two conveyor rollers 20 are respectively installed on the first transverse plate 12 through a one-way bearing 30. Along the axial direction of the conveyor roller 20, the conveyor roller 20 includes a first section 21, a second section 22 and a third section 23 connected in sequence. The roller surfaces of the first section 21 and the third section 23 are provided with a Teflon coating and concave-convex patterns.

[0127] One end of the guide roller 60 is connected to the vertical plate 11 , and the other end is suspended. The guide roller 60 is arranged on the feeding side of the conveying roller 20 along the running direction X of the adhesive tape.

[0128] The driving member 50 is mounted on the second transverse plate 13 , and the silicone pressure plate 40 is connected to the execution end of the driving member 50 .

[0129] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.

[0130] The above embodiments are only used to illustrate the technical solution of the present application and are not used to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tape conveying mechanism, characterized in that: include: Base; A conveying roller, rotatably disposed on the base in one direction; A pressure plate and the conveying roller form a gap for the adhesive tape to pass through.

2. The tape conveying mechanism according to claim 1, characterized in that: The tape conveying mechanism also includes: A one-way bearing, wherein at least one end of the conveying roller is mounted on the base through the one-way bearing.

3. The tape conveying mechanism according to claim 1, characterized in that: The roller surface of the conveying roller is provided with an anti-sticking coating.

4. The tape conveying mechanism according to claim 3, characterized in that: The anti-stick coating includes a Teflon coating.

5. The tape conveying mechanism according to claim 3, characterized in that: Along the axial direction of the conveying roller, the conveying roller includes a first section, a second section and a third section which are connected in sequence, and the roller surface of the first section and the roller surface of the third section are provided with the anti-sticking coating.

6. The tape conveying mechanism according to claim 1, characterized in that: The roller surface of the conveying roller is provided with concave-convex patterns.

7. The adhesive tape conveying mechanism according to claim 6, characterized in that: Along the axial direction of the conveying roller, the conveying roller includes a first section, a second section and a third section which are connected in sequence, and the roller surface of the first section and the roller surface of the third section are provided with concave-convex patterns.

8. The tape conveying mechanism according to claim 1, characterized in that: Along the axial direction of the conveying roller, the conveying roller comprises a first section, a second section and a third section which are connected in sequence, and the roller surface of the first section and the roller surface of the third section are provided with a Teflon coating and concave-convex patterns.

9. The adhesive tape conveying mechanism according to any one of claims 1 to 8, characterized in that: A plurality of conveying rollers are provided, and the plurality of conveying rollers are arranged at intervals along the running direction of the adhesive tape, and the plurality of conveying rollers rotate in the same direction.

10. The tape conveying mechanism according to claim 1, characterized in that: The pressing plate is a flexible member.

11. The adhesive tape conveying mechanism according to claim 10, characterized in that: The material of the pressing plate includes silica gel.

12. The adhesive tape conveying mechanism according to claim 11, characterized in that: The tape conveying mechanism also includes: A driving member is installed on the base, and the driving member is used to drive the pressing plate to approach or move away from the conveying roller.

13. The adhesive tape conveying mechanism according to claim 1, characterized in that: The tape conveying mechanism also includes: A guide roller is installed on the base, along the running direction of the adhesive tape, and the guide roller is arranged on the feeding side of the conveying roller.

14. A battery manufacturing device, characterized in that: The invention comprises the tape conveying mechanism according to any one of claims 1 to 13.

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