Composite current collector roll welding forming equipment

Abstract

The invention provides composite current collector roll welding forming equipment which comprises a base material unwinding mechanism, a foil unwinding mechanism, a compression roller mechanism, an ultrasonic roll welding mechanism and a winding mechanism which are sequentially arranged in the first direction, a first deviation rectifying assembly is arranged between the base material unwinding mechanism and the compression roller mechanism, and a second deviation rectifying assembly is arranged between the foil unwinding mechanism and the compression roller mechanism. A base material belt penetrates through the first deviation rectifying assembly from the base material unwinding mechanism to extend to the pressing roller mechanism, a foil belt extends to the pressing roller mechanism from the foil unwinding mechanism to be attached to the base material belt in a pressing mode, the base material belt and the foil belt are welded at the position of the ultrasonic roll welding mechanism, and the first deviation rectifying assembly is arranged close to the base material unwinding mechanism. An adjusting roller structure is arranged between the first deviation rectifying assembly and the pressing roller mechanism and comprises a first roller, the base material belt is wound around the first roller, and the first roller is adjustably installed so as to adjust the attaching degree between the first roller and the base material belt. The tensioning degree of the inner side and the outer side in the width direction of the material belt can be adjusted, and the running stability and speed of the material belt can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of batteries, and in particular to a composite current collector roll welding forming device. Background Art

[0002] With the development of new energy vehicles and energy storage, the requirements for battery cost, life, and high energy density are getting higher and higher, and the size of batteries is getting bigger and bigger than before. Figure 3 and Figure 4 As shown, it is a positive / negative electrode roll, that is, a substrate strip 10 (conventional current collector), whose metal coating 11 is on one side in the width direction, and a metal foil strip 12 (transition body) is welded on both sides of the metal coating 11 area, usually copper foil or aluminum foil to form a composite current collector 1. The entire processing process includes three processes, namely, unwinding the substrate strip, welding the substrate strip and the foil, and winding the composite current collector. During this period, both the substrate strip and the composite current collector formed by subsequent welding will go through several rolls and will inevitably be rolled. After rolling, the metal coating area of ​​the substrate strip and the metal coating area after welding the foil strip will be extended, which will cause the substrate strip or the composite current collector to have inconsistent tightness on both sides in the width direction, especially after the composite current collector is widened. This situation will be more obvious, affecting the running stability and processing speed of the strip (substrate strip or composite current collector). Summary of the invention

[0003] In view of the deficiencies of the prior art, the object of the present invention is to provide a composite current collector roll welding forming device, which is convenient for adjusting the tension degree on the inner and outer sides of the material strip width direction, which is beneficial to improving the stability and speed of the material strip operation.

[0004] The embodiments of the present invention are implemented by the following technical solutions:

[0005] A composite current collector roll welding forming device comprises a substrate unwinding mechanism, a foil unwinding mechanism, a pressure roller mechanism, an ultrasonic roll welding mechanism, a dust removal mechanism and a winding mechanism which are sequentially arranged along a first direction, wherein a first deviation correction component is arranged between the substrate unwinding mechanism and the pressure roller mechanism, a substrate strip extends from the substrate unwinding mechanism through the first deviation correction component to the pressure roller mechanism, a foil strip extends from the foil unwinding mechanism to the pressure roller mechanism and is pressed and fitted with the substrate strip, and the substrate strip and the foil strip are welded at the ultrasonic roll welding mechanism, the first deviation correction component is arranged close to the substrate unwinding mechanism, an adjusting roller structure is arranged between the first deviation correction component and the pressure roller mechanism, the adjusting roller structure comprises a first roller, the substrate strip is wound around the first roller, and the first roller can be adjustably installed to adjust the degree of fit between the first roller and the substrate strip.

[0006] According to a preferred embodiment, the adjusting roller structure also includes a first inner seat, a first extension rod and a first outer seat, wherein the first inner seat is arranged at one end of the first extension rod, the first outer seat is arranged at the other end of the first extension rod, the first end of the first roller is installed on the first inner seat, and the second end of the first roller is installed on the first outer seat.

[0007] According to a preferred embodiment, the first roller includes a rolling part and a fixed part, the rolling part is rotatably sleeved outside the fixed part, and the first end of the fixed part is hinged to the first inner seat; the first outer seat includes a seat plate installed on the first extension rod, and the seat plate is provided with a fixed shaft seat and a movable shaft seat, the movable shaft seat is slidably connected to the seat plate, and an adjusting screw is rotatably installed on the fixed shaft seat, and the adjusting screw is threadedly connected to the movable shaft seat; a guide hole is opened on the movable shaft seat, and the extension direction of the guide hole is perpendicular to the axial direction of the adjusting screw; the second end of the fixed part is slidably embedded in the guide hole.

[0008] According to a preferred embodiment, the composite current collector roll welding forming equipment further includes a second deviation correcting component, the second deviation correcting component is arranged close to the pressure roller mechanism, and the adjusting roller structure is arranged between the first deviation correcting component and the second deviation correcting component.

[0009] According to a preferred embodiment, the ultrasonic rolling welding mechanism includes a base plate, a rolling welding frame is arranged on the base plate, an active welding head is arranged on the rolling welding frame, a smoothing roller is adjustably arranged on the base plate, a driven welding head adapted to the active welding head is coaxially mounted on the smoothing roller, the smoothing roller extends along the width direction of the substrate strip, the substrate strip and the foil strip are both located between the active welding head and the driven welding head, and overlapped on the smoothing roller.

[0010] According to a preferred embodiment, a longitudinal plate is arranged on the bottom plate, a first roller seat is slidably mounted on the longitudinal plate, the smoothing roller is rotatably mounted on the first roller seat, and the ultrasonic rolling welding mechanism also includes a first driving member for driving the first roller seat to slide relative to the longitudinal plate to approach or move away from the active welding head.

[0011] According to a preferred embodiment, the ultrasonic rolling welding mechanism also includes a first auxiliary roller group, a second auxiliary roller group and a third auxiliary roller group which are arranged in sequence along the conveying direction of the substrate strip, wherein the smoothing roller is located between the second auxiliary roller group and the third auxiliary roller group, and the substrate strip and the foil strip pass through the first auxiliary roller group, the second auxiliary roller group and the third auxiliary roller group in sequence.

[0012] According to a preferred embodiment, the second auxiliary roller group includes a first roller frame arranged on the bottom plate, the first roller frame is adjustably provided with a first auxiliary roller and a second auxiliary roller, the substrate strip and the foil strip are located between the first auxiliary roller and the second auxiliary roller, the first auxiliary roller and the second auxiliary roller are arranged in parallel, and the two can approach or move away from each other.

[0013] According to a preferred embodiment, the first roller frame is installed on the bottom plate, the first roller frame is configured with a first adapter plate, the first adapter plate is adjustably equipped with a first adjustment plate and a second adjustment plate, the first auxiliary roller is installed on the first adjustment plate, and the second auxiliary roller is installed on the second adjustment plate.

[0014] According to a preferred embodiment, a first hinge hole, a first arc hole, a second hinge hole and a second arc hole are provided on the first adapter plate, the first hinge hole is located at the center of the first arc hole, the second hinge hole is located at the center of the second arc hole, a first hinge nail is rotatably installed in the first hinge hole, the first hinge nail is connected to the first adjustment plate, a first adjustment nail is slidably embedded in the first arc hole, and the first adjustment nail is connected to the first adjustment plate; a second hinge nail is rotatably installed in the second hinge hole, the second hinge nail is connected to the second adjustment plate, a second adjustment nail is slidably embedded in the second arc hole, and the second adjustment nail is connected to the second adjustment plate.

[0015] The technical solution of the embodiment of the present invention has at least the following advantages and beneficial effects:

[0016] The substrate belt of the present invention starts from the substrate unwinding mechanism and is corrected at the first correcting assembly to ensure the stability and accuracy of the substrate belt before entering the pressure roller mechanism and the ultrasonic rolling welding mechanism. An adjusting roller structure is provided between the first correcting assembly and the pressure roller mechanism. By adjusting the spatial state of the first roller, the degree of fit between the first roller and the substrate belt is adaptively adjusted. Specifically, the spatial position of the first roller is adjusted so that the substrate belt is in a tensioned state at all locations in the width direction to avoid unstable operation due to inconsistent tightness on both sides of the substrate belt in the width direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention 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 creative work.

[0018] Figure 1A schematic diagram of the three-dimensional structure of a composite current collector roll welding molding device provided in an embodiment of the present invention;

[0019] Figure 2 A schematic front view of the structure of a composite current collector roll welding molding device provided in an embodiment of the present invention;

[0020] Figure 3 A schematic diagram of the assembly structure of a substrate strip and a foil strip provided in an embodiment of the present invention;

[0021] Figure 4 A schematic diagram of a top view of the structure after the substrate strip and the foil strip are assembled according to an embodiment of the present invention;

[0022] Figure 5 A schematic diagram of the three-dimensional structure of an adjusting roller structure provided by an embodiment of the present invention;

[0023] Figure 6 A schematic diagram of the three-dimensional structure of a movable shaft seat provided in an embodiment of the present invention;

[0024] Figure 7 A schematic diagram of the three-dimensional structure of a tension swing roller provided in an embodiment of the present invention;

[0025] Figure 8 A schematic diagram of the three-dimensional structure of an ultrasonic roll welding mechanism provided in an embodiment of the present invention;

[0026] Fig. 9 A schematic diagram of the assembly structure of a smoothing roller provided in an embodiment of the present invention;

[0027] Fig.10 for Figure 8 A partial enlarged schematic diagram of the structure at A in the middle;

[0028] Fig.11 A schematic diagram of the three-dimensional structure of a pressing roller mechanism provided in an embodiment of the present invention;

[0029] Fig.12 A schematic diagram of the three-dimensional structure of a smoothing mechanism provided in an embodiment of the present invention;

[0030] Fig.13 A schematic diagram of the three-dimensional structure of the main drive mechanism provided in an embodiment of the present invention.

[0031] Icons: 01, substrate unwinding mechanism; 02, winding mechanism; 03, foil unwinding mechanism; 04, dust removal mechanism; 05, third deviation correction component; 1, composite current collector; 10, substrate strip; 11, metal coating; 12, foil strip; 2, square frame; 3, adjusting roller structure; 31, first roller; 311, rolling part; 312, fixed part; 3121, first pin shaft; 3122, second pin shaft; 32, first inner seat; 33, first outer seat; 331, seat plate; 332, fixed shaft seat; 333, movable shaft seat; 3331, assembly hole; 3332, swing hole; 3333 , guide hole; 334, adjusting screw rod; 34, first extension rod; 4, tension swing roller; 41, swing roller frame; 42, swing roller shaft; 43, swing roller plate; 431, adjusting slot; 44, swing roller; 45, counterweight roller; 46, adjusting screw rod; 51, first deviation correction component; 52, second deviation correction component; 6, ultrasonic roll welding mechanism; 61, bottom plate; 62, roll welding frame; 63, active welding head; 64, smoothing roller; 65, driven welding head; 66, longitudinal plate; 67, first roller seat; 68, first driving member; 690a, first auxiliary roller group; 690b, second auxiliary roller group; 690c, first Three auxiliary roller groups; 691, second roller seat; 6910, first roller frame; 6911, first auxiliary roller; 6912, second auxiliary roller; 6913, first adapter plate; 69131, first hinge hole; 69132, first arc hole; 69133, first adjustment pin; 69134, second hinge hole; 69135, second arc hole; 69136, second adjustment pin; 6914, first adjustment plate; 6915, second adjustment plate; 6916, third auxiliary roller; 6917, fourth auxiliary roller; 7, pressure roller mechanism; 71, third roller seat; 72, driven pressure roller; 73, active pressure roller ;731, first adjusting roller frame;732, first guide rod;8, smoothing mechanism;81, fourth roller seat;82, driven caressing roller;821, wheel frame;83, active caressing roller;84, second support plate;85, second guide rod;86, third guide rod;87, buffer spring;9, main drive mechanism;91, fifth roller seat;910, assembly space;911, dust removal channel;92, main drive roller;93, slave drive roller;931, second adjusting roller frame;94, fourth guide rod;95, brush;96, dust hood;97, dust removal air knife;98, cover plate;X, first direction;Z, longitudinal direction. DETAILED DESCRIPTION

[0032] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0033] In the description of the present invention, it should be noted that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 invention.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0035] Please refer to Figures 1 to 13 The composite current collector roll welding forming equipment comprises a substrate unwinding mechanism 01, a foil unwinding mechanism 03, a pressure roller mechanism 7, an ultrasonic roll welding mechanism 6, a post-weld detection mechanism, a dust removal mechanism 04 and a winding mechanism 02 which are sequentially arranged along a first direction X, wherein a first deviation correction component 51 is arranged between the substrate unwinding mechanism 01 and the pressure roller mechanism 7, the substrate belt 10 extends from the substrate unwinding mechanism 01 through the first deviation correction component 51 to the pressure roller mechanism 7, the foil belt 12 extends from the foil unwinding mechanism 03 to the pressure roller mechanism 7 and is pressed and fitted with the substrate belt 10, and the substrate belt 10 and the foil belt 12 are welded at the ultrasonic roll welding mechanism 6, the first deviation correction component 51 is arranged close to the substrate unwinding mechanism 01, and an adjusting roller structure 3 is arranged between the first deviation correction component 51 and the pressure roller mechanism 7, the adjusting roller structure 3 comprises a first roller 31, the substrate belt 10 is wound around the first roller 31, and the first roller 31 can be adjusted to adjust the degree of fit between the first roller 31 and the substrate belt 10.

[0036] Specifically, Figure 1 , Figure 2 and Figure 5As shown, the substrate unwinding mechanism 01, the foil unwinding mechanism 03, the pressure roller mechanism 7, the ultrasonic roll welding mechanism 6, the post-weld detection mechanism, the dust removal mechanism 04 and the winding mechanism 02 are all arranged on the square frame 2. When in use, the substrate unwinding mechanism 01 unwinds the substrate strip 10, and the foil unwinding mechanism 03 unwinds the foil strip 12. The substrate strip 10 starts from the substrate unwinding mechanism 01 and is corrected at the first correction component 51 to ensure the stability and accuracy of the operation of the substrate strip 10 before entering the pressure roller mechanism 7 and the ultrasonic roll welding mechanism 6. Furthermore, the adjustment roller structure 3 arranged between the first correction component 51 and the pressure roller mechanism 7 adjusts the spatial state of the first roller 31 to adaptively adjust the degree of fit between the first roller 31 and the substrate strip 10. Specifically, the spatial position of the first roller 31 is adjusted so that the substrate strip 10 is in a tensioned state at all locations in the width direction to avoid unstable operation due to inconsistent tightness on the inner and outer sides of the substrate strip 10 in the width direction.

[0037] Specifically, Figure 5 As shown, the adjusting roller structure 3 further includes a first inner seat 32, a first extension rod 34 and a first outer seat 33, wherein the first inner seat 32 is arranged at one end of the first extension rod 34, the first outer seat 33 is arranged at the other end of the first extension rod 34, the first end of the first roller 31 is mounted on the first inner seat 32, and the second end of the first roller 31 is mounted on the first outer seat 33. In this embodiment, the first inner seat 32 is fixedly mounted on the square frame 2, and the first extension rod 34 connects the first inner seat 32 and the first outer seat 33 as a whole to facilitate the assembly of the first roller 31. Optionally, the first roller 31 and the first inner seat 32 can be adjusted and assembled, and / or the first roller 31 and the first outer seat 33 can be adjusted and assembled.

[0038] In this embodiment, the first roller 31 includes a rolling portion 311 and a fixed portion 312. The rolling portion 311 is rotatably sleeved outside the fixed portion 312. The first end of the fixed portion 312 is hinged to the first inner seat 32 via a first pin shaft 3121. The first outer seat 33 includes a seat plate 331 installed on the first extension rod 34. The seat plate 331 is provided with a fixed shaft seat 332 and a movable shaft seat 333. The movable shaft seat 333 is slidably connected to the seat plate 331 via a slide rail slider assembly. An adjusting screw rod 334 is rotatably installed on the fixed shaft seat 332. The adjusting screw rod 334 is threadedly connected to the movable shaft seat 333. A guide hole 3333 is provided on the movable shaft seat 333. The extending direction of the guide hole 3333 is perpendicular to the axial direction of the adjusting screw rod 334. The second end of the fixed portion 312 is slidably embedded in the guide hole 3333. Specifically, Figure 5 and Figure 6As shown, a swing hole 3332 is provided on one side of the movable shaft seat 333 toward the second end of the fixed portion 312. The guide hole 3333 is a waist-shaped hole connected to the swing hole 3332. A second pin shaft 3122 adapted to the guide hole 3333 is provided on the second end of the fixed portion 312. The second pin shaft 3122 is embedded in the guide hole 3333. In this embodiment, the adjusting screw rod 334 is inserted into the assembly hole 3331 and is rotatably connected to the movable shaft seat 333.

[0039] Preferably, there are two fixed shaft seats 332, the adjusting screw 334 spans between the two fixed shaft seats 332, and the movable shaft seat 333 is located between the two fixed shaft seats 332. When in use, by rotating the adjusting screw 334, the movable shaft seat 333 is threadedly driven by the adjusting screw 334 to move between the two fixed shaft seats 332, thereby driving the first roller 31 to swing around the first pin 3121 within a certain angle range, so as to adjust the degree of contact between the first roller 31 and the substrate belt 10, so as to facilitate the tensioning of the inner and outer sides of the width direction of the substrate belt 10, and to achieve the running stability and running speed of the substrate belt 10, especially the wide-width substrate belt 10.

[0040] The guide hole 3333 cooperates with the second pin shaft 3122 to serve as the second end of the assembly fixing portion 312 , and can prevent the first roller 31 from interfering with the movable shaft seat 333 during the swinging process around the first pin shaft 3121 .

[0041] The composite current collector roll welding forming equipment also includes a second deviation correction component 52, which is arranged near the pressure roller mechanism 7, and the adjusting roller structure 3 is arranged between the first deviation correction component 51 and the second deviation correction component 52. In this embodiment, the first deviation correction component 51 is arranged near the substrate unwinding mechanism 01, and the second deviation correction component 52 is arranged near the pressure roller mechanism 7. The first deviation correction component 51 and the second deviation correction component 52 both act on the substrate strip 10, and the substrate strip 10 is first corrected from the substrate unwinding mechanism 01, and then the inner and outer tensioning degrees of the substrate strip 10 in the width direction are made consistent through the adjusting roller structure 3. At the same time, the substrate strip 10 is corrected for the second time before entering the pressure roller mechanism 7. In this way, the first deviation correction component 51, the adjusting roller structure 3 and the second deviation correction component 52 cooperate to ensure that the substrate strip 10 can be stably and quickly transmitted before entering the pressure roller mechanism 7, and at the same time, the accuracy of the substrate strip 10 entering the pressure roller mechanism 7 is guaranteed, and the processing quality is guaranteed.

[0042] Furthermore, if Figure 1 and Figure 7As shown, the composite current collector roll welding forming equipment also includes a tension swing roller 4, which is located between the adjustment roller structure 3 and the second deviation correction component 52. The tension swing roller 4 includes a swing roller frame 41 arranged on the square frame 2, and a swing roller shaft 42 is rotatably mounted on the swing roller frame 41, and two swing roller plates 43 are fixedly mounted on the swing roller shaft 42, and a swing roller 44 and a counterweight roller 45 are spanned on the two swing roller plates 43, and the swing roller shaft 42 is located between the swing roller 44 and the counterweight roller 45. In this embodiment, the substrate strip 10 is wound around the swing roller 44, and the motor arranged on the square frame 2 drives the swing roller shaft 42 to rotate, so that the swing roller 44 can swing within a certain angle range, so that the swing can be implemented according to the actual situation to make the substrate strip 10 in a stable tension state.

[0043] like Figure 7 As shown, an adjustment slot 431 is provided on the swing roller plate 43, and the end of the counterweight roller 45 is adjustably embedded in the adjustment slot 431, and the counterweight roller 45 can move in the adjustment slot 431 to approach or move away from the swing roller shaft 42. Optionally, an adjustment screw 46 is rotatably mounted on the swing roller plate 43, and the adjustment screw 46 extends into the adjustment slot 431 and is threadedly connected to the counterweight roller 45, and the counterweight roller 45 is slidably embedded in the adjustment slot 431. In this way, the swing radius of the counterweight roller 45 can be conveniently adjusted to better adjust the tension swing roller 4 according to the actual working conditions to meet the processing requirements.

[0044] like Figure 8 and Fig. 9 As shown, the ultrasonic rolling welding mechanism 6 includes a base plate 61, which is installed on the square frame 2, and a rolling welding frame 62 is arranged on the base plate 61, and an active welding head 63 is arranged on the rolling welding frame 62. A smoothing roller 64 is adjustably arranged on the base plate 61, and a driven welding head 65 adapted to the active welding head 63 is coaxially mounted on the smoothing roller 64. The smoothing roller 64 extends along the width direction of the substrate strip 10, and the substrate strip 10 and the foil strip 12 are both located between the active welding head 63 and the driven welding head 65, and overlapped on the smoothing roller 64.

[0045] Further, a longitudinal plate 66 is arranged on the bottom plate 61, a first roller seat 67 is slidably mounted on the longitudinal plate 66, and the smoothing roller 64 is rotatably mounted on the first roller seat 67. The ultrasonic roll welding mechanism 6 also includes a first driving member 68, which is used to drive the first roller seat 67 to slide relative to the longitudinal plate 66 to approach or move away from the active welding head 63. Optionally, the first driving member 68 includes but is not limited to a cylinder, a hydraulic cylinder or an electric push rod. When in use, the first driving member 68 drives the first roller seat 67 to move upward relative to the longitudinal plate 66, so that the smoothing roller 64 and the driven welding head 65 move upward along the longitudinal direction Z, and the substrate strip 10 and the foil strip 12 are welded between the active welding head 63 and the driven welding head 65. The smoothing roller 64 supports the substrate strip 10 in the width direction, and the driven welding head 65 is coaxially arranged with the smoothing roller 64, which can ensure that the inner and outer sides of the substrate strip 10 in the width direction are in a tensioned state during welding, which is conducive to ensuring the welding accuracy of the substrate strip 10 and the foil strip 12.

[0046] Furthermore, if Figure 8 As shown, the ultrasonic rolling welding mechanism 6 also includes a first auxiliary roller group 690a, a second auxiliary roller group 690b and a third auxiliary roller group 690c which are sequentially arranged along the conveying direction of the substrate strip 10, wherein the smoothing roller 64 is located between the second auxiliary roller group 690b and the third auxiliary roller group 690c, and the substrate strip 10 and the foil strip 12 pass through the first auxiliary roller group 690a, the second auxiliary roller group 690b and the third auxiliary roller group 690c in sequence. Here, the first auxiliary roller group 690a, the second auxiliary roller group 690b, the smoothing roller 64 and the third auxiliary roller group 690c limit the substrate strip 10 and the foil strip 12 in the longitudinal direction Z before and after the welding position of the substrate strip 10 and the foil strip 12, so that before and after the welding position, the substrate strip 10 and the foil strip 12 are in a state of approximately horizontal operation, which improves the welding accuracy of the substrate strip 10 and the foil strip 12 and effectively prevents the substrate strip 10 and the foil strip 12 from running off.

[0047] Optionally, the second auxiliary roller group 690b and the third auxiliary roller group 690c have the same structure. The second auxiliary roller group 690b is taken as an example for description. Specifically, the second auxiliary roller group 690b includes a first roller frame 6910 disposed on the bottom plate 61, and the first auxiliary roller 6911 and the second auxiliary roller 6912 are adjustably disposed on the first roller frame 6910. The substrate strip 10 and the foil strip 12 are located between the first auxiliary roller 6911 and the second auxiliary roller 6912. The first auxiliary roller 6911 and the second auxiliary roller 6912 are disposed in parallel, and the two can be close to or away from each other. In this embodiment, the first roller frame 6910 is installed on the bottom plate 61 through the second roller seat 691, the first roller frame 6910 is provided with a first adapter plate 6913, the first adapter plate 6913 is adjustably equipped with a first adjustment plate 6914 and a second adjustment plate 6915, the first auxiliary roller 6911 is installed on the first adjustment plate 6914, and the second auxiliary roller 6912 is installed on the second adjustment plate 6915. In this arrangement, the second auxiliary roller 6912 supports the substrate strip 10 and the foil strip 12, and the first auxiliary roller 6911 presses down the substrate strip 10 and the foil strip 12, and the two cooperate to limit the substrate strip 10 and the foil strip 12 in the longitudinal Z direction.

[0048] like Fig.10 As shown, the first adapter plate 6913 is provided with a first hinge hole 69131, a first arc hole 69132, a second hinge hole 69134 and a second arc hole 69135. The first hinge hole 69131 is located at the center of the first arc hole 69132, and the second hinge hole 69134 is located at the center of the second arc hole 69135. A first hinge pin (not shown in the figure) is rotatably installed in the first hinge hole 69131, and the first hinge pin is connected to the first adjustment plate 6914. A first adjustment pin 69133 is slidably embedded in the first arc hole 69132, and the first adjustment pin 69133 is connected to the first adjustment plate 6914. Correspondingly, a second hinge pin (not shown in the figure) is rotatably installed in the second hinge hole 69134, and the second hinge pin is connected to the second adjustment plate 6915. A second adjustment pin 69136 is slidably embedded in the second arc-shaped hole 69135, and the second adjustment pin 69136 is connected to the second adjustment plate 6915. For example, the first adjustment plate 6914 can rotate around the central axis of the first hinge pin, and its adjustment range depends on the sliding range of the first adjustment pin 69133 in the first arc-shaped hole 69132. In this way, the spatial position adjustment of the first adjustment plate 6914 and the second adjustment plate 6915 can be achieved, so as to achieve the position adjustment of the first auxiliary roller 6911 and the second auxiliary roller 6912, so as to adjust according to the actual working conditions to better tension the substrate belt 10.

[0049] The first auxiliary roller group 690a includes a third auxiliary roller 6916 and a fourth auxiliary roller 6917, which are installed on the first roller frame 6910, and the substrate strip 10 and the foil strip 12 are located on the third auxiliary roller 6916 and the fourth auxiliary roller 6917. The third auxiliary roller 6916 supports the substrate strip 10 and the foil strip 12, and the fourth auxiliary roller 6917 presses down the substrate strip 10 and the foil strip 12, and the two cooperate to limit the substrate strip 10 and the foil strip 12 in the longitudinal direction Z. In this embodiment, the third auxiliary roller 6916 and the fourth auxiliary roller 6917 are fixedly installed on the first roller frame 6910. In other embodiments, the third auxiliary roller 6916 and the fourth auxiliary roller 6917 can also be adjusted and assembled like the first auxiliary roller 6911 and the second auxiliary roller 6912.

[0050] like Fig.11 As shown, the pressure roller mechanism 7 includes a third roller seat 71 arranged on the square frame 2, and a driven pressure roller 72 and an active pressure roller 73 are arranged on the third roller seat 71. The active pressure roller 73 can approach or move away from the driven pressure roller 72, and the substrate strip 10 and the foil strip 12 are located between the active pressure roller 73 and the driven pressure roller 72. In this embodiment, the driven pressure roller 72 is substantially flush with the driven welding head 65 in the longitudinal direction Z. The active pressure roller 73 and the driven pressure roller 72 cooperate to press the foil strip 12 tightly against the substrate strip 10, which is convenient for subsequent roll welding. The driven pressure roller 72 is substantially flush with the driven welding head 65 in the longitudinal direction Z to ensure that the substrate strip 10 and the foil strip 12 enter the welding position in a stable posture after rolling, thereby avoiding failure of the rolling state of the substrate strip 10 and the foil strip 12 during the process. In this embodiment, the active pressure roller 73 is installed on the first adjusting roller frame 731, and the first guiding rod 732 is installed on the first adjusting roller frame 731. The first guiding rod 732 extends along the longitudinal direction Z. The first guiding rod 732 is slidably connected with the third roller seat 71. The third roller seat 71 is provided with a telescopic member for driving the first adjusting roller frame 731 to approach or move away from the driven pressure roller 72 along the longitudinal direction Z. The telescopic member includes but is not limited to a cylinder, a hydraulic cylinder or an electric cylinder.

[0051] like Fig.12 As shown, the composite current collector roll welding forming equipment also includes a smoothing mechanism 8 arranged behind the ultrasonic roll welding mechanism 6, including a fourth roller seat 81, an active roller 83 and a driven roller 82, the fourth roller seat 81 is installed on the square frame 2, the active roller 83 is rotatably installed on the fourth roller seat 81, the driven roller 82 is adjustably installed on the fourth roller seat 81, the driven roller 82 can approach or move away from the active roller 83, and the welding marks on the foil strip 12 and the substrate strip 10 are within the rolling range of the active roller 83 and the driven roller 82.

[0052] Specifically, a first support plate (not shown in the figure) is provided on the fourth roller seat 81, and a second support plate 84 is provided on the side of the first support plate facing the active caressing roller 83. The second support plate 84 is slidably connected to the first support plate through a second guide rod 85 extending along the longitudinal direction Z. The driven caressing roller 82 is rotatably mounted on the wheel frame 821, and the second support plate 84 is located between the wheel frame 821 and the first support plate. The wheel frame 821 is slidably connected to the second support plate 84 through a third guide rod 86. A buffer spring 87 is provided on the outer sleeve of the third guide rod 86. The buffer spring 87 is pressed between the wheel frame 821 and the second support plate 84. A cylinder is provided on the first support plate to drive the second support plate 84 to approach or move away from the active caressing roller 83 along the longitudinal direction Z. The active caressing roller 83 is driven to rotate by a motor installed on the fourth roller seat 81. When the driven caressing roller 82 approaches the active caressing roller 83, the buffer spring 87 provides a buffer force to avoid hard contact between the driven caressing roller 82 and the composite current collector 1, thereby preventing damage to the composite current collector 1.

[0053] like Fig.13 As shown, the composite current collector roll welding forming equipment also includes a main drive mechanism 9, which is located at the rear side of the smoothing mechanism 8 and is used to drive the welding body of the substrate strip 10 and the foil strip 12 to move. Specifically, the main drive mechanism 9 includes a fifth roller seat 91, on which an assembly space 910 is configured, and also includes a main drive roller 92 and a slave drive roller 93. The main drive roller 92 is rotatably installed in the assembly space 910, and a second adjustment roller frame 931 is adjustably installed in the assembly space 910. The slave drive roller 93 is rotatably installed on the second adjustment roller frame 931. The second adjustment roller frame 931 is provided with a fourth guide rod 94 extending in the longitudinal direction Z. The fourth guide rod 94 is slidably connected to the fifth roller seat 91, and the fifth roller group is provided with a cylinder for driving the second adjustment roller frame 931 to move in the longitudinal direction Z. In this way, the gap between the main drive roller 92 and the slave drive roller 93 can be adjusted.

[0054] Furthermore, a dust removal channel 911 is opened on the fifth roller seat 91. The dust removal channel 911 is located on one side of the main driving roller 92 and is connected to the assembly space 910. The main driving roller 92 is located at the inlet end of the dust removal channel 911. The inlet end of the dust removal channel 911 is provided with a dust removal air knife 97 and a brush 95. The brush 95 is attached to the main driving roller 92. The main driving roller 92 is located between the dust removal air knife 97 and the brush 95. The outlet end of the dust removal channel 911 is connected to a negative pressure source (not shown in the figure) to suck out impurities cleaned from the main driving roller 92.

[0055] In this embodiment, the outlet end of the dust removal channel 911 is provided with a dust collecting cover 96, and the dust collecting cover 96 is connected to the negative pressure source. Furthermore, the inlet end of the dust removal channel 911 is provided with a cover plate 98 on one side of the brush 95. Here, the cover plate 98 and the dust collecting cover 96 can effectively improve the sealing performance of the dust removal channel 911, effectively remove impurities and prevent the diffusion of impurities.

[0056] In some embodiments, the dust removal mechanism 04 is used to remove dust from the substrate strip 10 or the welded body of the substrate strip 10 and the foil strip 12. The dust removal mechanism 04 can be any existing dust removal component, without specific limitation. It should be noted that the composite current collector roll welding forming equipment also includes a third deviation correction component 05, which is arranged close to the winding mechanism 02 and is used to correct the composite current collector 1 before winding to ensure the winding accuracy.

[0057] The first correcting assembly 51 , the second correcting assembly 52 and the third correcting assembly 05 can be any existing current collector correcting assembly and are not specifically limited here.

[0058] In some embodiments, the composite current collector roll welding forming equipment further includes an iron removal component, which is disposed on the conveying path of the substrate strip 10 or the composite current collector 1, and is used to remove magnetic impurities on the substrate strip 10 or the composite current collector 1 by magnetic attraction. There may be multiple iron removal components, including at least one magnetic adsorption surface, and the substrate strip 10 or the composite current collector 1 is slidably attached to the adsorption surface.

[0059] In this embodiment, the width of the substrate strip 10 is 50 mm-550 mm. By using the composite current collector roll welding forming equipment provided in this embodiment, the production speed can reach 20 m / min.

[0060] The technical means disclosed in the scheme of the present invention are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical schemes composed of any combination of the above-mentioned technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims

1. A composite current collector roll welding forming equipment, characterized in that: It includes a substrate unwinding mechanism, a foil unwinding mechanism, a pressure roller mechanism, an ultrasonic roll welding mechanism, a dust removal mechanism and a winding mechanism which are arranged in sequence along a first direction, wherein a first deviation correction component is arranged between the substrate unwinding mechanism and the pressure roller mechanism, the substrate belt extends from the substrate unwinding mechanism through the first deviation correction component to the pressure roller mechanism, the foil belt extends from the foil unwinding mechanism to the pressure roller mechanism and is pressed and fitted with the substrate belt, and the substrate belt and the foil belt are welded at the ultrasonic roll welding mechanism, the first deviation correction component is arranged close to the substrate unwinding mechanism, an adjusting roller structure is arranged between the first deviation correction component and the pressure roller mechanism, the adjusting roller structure includes a first roller, the substrate belt is wound around the first roller, and the first roller can be adjustably installed to adjust the degree of fit between the first roller and the substrate belt.

2. The composite current collector roll welding forming equipment according to claim 1, characterized in that: The adjusting roller structure also includes a first inner seat, a first extension rod and a first outer seat, wherein the first inner seat is arranged at one end of the first extension rod, the first outer seat is arranged at the other end of the first extension rod, the first end of the first roller is installed on the first inner seat, and the second end of the first roller is installed on the first outer seat.

3. The composite current collector roll welding forming equipment according to claim 2, characterized in that: The first roller comprises a rolling portion and a fixed portion, the rolling portion is rotatably sleeved outside the fixed portion, and the first end of the fixed portion is hinged to the first inner seat; The first outer seat comprises a seat plate mounted on the first extension rod, the seat plate is provided with a fixed shaft seat and a movable shaft seat, the movable shaft seat is slidably connected to the seat plate, an adjusting screw is rotatably mounted on the fixed shaft seat, and the adjusting screw is threadedly connected to the movable shaft seat; A guide hole is provided on the movable shaft seat, and the extending direction of the guide hole is perpendicular to the axial direction of the adjusting screw rod; The second end of the fixing portion is slidably embedded in the guide hole.

4. The composite current collector roll welding forming equipment according to claim 1, characterized in that: The composite current collector roll welding forming equipment also includes a second deviation correcting component, which is arranged close to the pressure roller mechanism, and the adjusting roller structure is arranged between the first deviation correcting component and the second deviation correcting component.

5. The composite current collector roll welding forming equipment according to claim 1, characterized in that: The ultrasonic rolling welding mechanism includes a base plate, a rolling welding frame is arranged on the base plate, an active welding head is arranged on the rolling welding frame, a smoothing roller is adjustably arranged on the base plate, a driven welding head adapted to the active welding head is coaxially mounted on the smoothing roller, the smoothing roller extends along the width direction of the substrate strip, the substrate strip and the foil strip are both located between the active welding head and the driven welding head, and overlapped on the smoothing roller.

6. The composite current collector roll welding forming equipment according to claim 5, characterized in that: The bottom plate is provided with a longitudinal plate, a first roller seat is slidably mounted on the longitudinal plate, the smoothing roller is rotatably mounted on the first roller seat, and the ultrasonic rolling welding mechanism also includes a first driving member for driving the first roller seat to slide relative to the longitudinal plate to approach or move away from the active welding head.

7. The composite current collector roll welding forming equipment according to claim 5, characterized in that: The ultrasonic rolling welding mechanism also includes a first auxiliary roller group, a second auxiliary roller group and a third auxiliary roller group which are sequentially arranged along the conveying direction of the substrate strip, wherein the smoothing roller is located between the second auxiliary roller group and the third auxiliary roller group, and the substrate strip and the foil strip pass through the first auxiliary roller group, the second auxiliary roller group and the third auxiliary roller group in sequence.

8. The composite current collector roll welding forming equipment according to claim 7, characterized in that: The second auxiliary roller group includes a first roller frame arranged on the bottom plate, and the first roller frame is adjustably provided with a first auxiliary roller and a second auxiliary roller. The substrate strip and the foil strip are located between the first auxiliary roller and the second auxiliary roller. The first auxiliary roller and the second auxiliary roller are arranged in parallel, and the two can approach or move away from each other.

9. The composite current collector roll welding forming equipment according to claim 8, characterized in that: The first roller frame is installed on the bottom plate, the first roller frame is provided with a first adapter plate, the first adapter plate is adjustably equipped with a first adjustment plate and a second adjustment plate, the first auxiliary roller is installed on the first adjustment plate, and the second auxiliary roller is installed on the second adjustment plate.

10. The composite current collector roll welding forming equipment according to claim 9, characterized in that: The first adapter plate is provided with a first hinge hole, a first arc hole, a second hinge hole and a second arc hole, the first hinge hole is located at the center of the first arc hole, the second hinge hole is located at the center of the second arc hole, a first hinge pin is rotatably installed in the first hinge hole, the first hinge pin is connected to the first adjustment plate, a first adjustment pin is slidably embedded in the first arc hole, and the first adjustment pin is connected to the first adjustment plate; A second hinge pin is rotatably installed in the second hinge hole, and the second hinge pin is connected to the second adjustment plate. A second adjustment pin is slidably embedded in the second arc hole, and the second adjustment pin is connected to the second adjustment plate.

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