Lamination device and lamination equipment

Abstract

The utility model provides a lamination device and lamination equipment, and the lamination device comprises a first rotating tower which is provided with a plurality of first stations along the circumferential direction of the first rotating tower, and the first stations are used for placing positive plates; the second rotating tower is provided with a plurality of second stations along the circumferential direction, and the second stations are used for placing negative plates; the first rotating tower and the second rotating tower are located on the two sides of the first diaphragm which can move in the preset direction correspondingly. A part where the first diaphragm moves between the first rotating tower and the second rotating tower is a processing part of the first diaphragm; the first rotating tower and the second rotating tower are arranged at the same time and rotate at the same speed, so that one first station on the first rotating tower and one second station on the second rotating tower rotate to the two sides of the machining part of the first diaphragm at the same time respectively. The positive pole piece on the first station and the negative pole piece on the second station are attached to the two sides of the processing part of the first diaphragm at the same time, and the positive pole piece and the negative pole piece attached to the two sides of the processing part of the first diaphragm completely correspond to each other.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pole piece lamination, in particular to a lamination device and lamination equipment. BACKGROUND

[0002] In the field of battery manufacturing technology, lamination is a key process, which aims to stack positive pole pieces, negative pole pieces and separators together according to a certain order and quantity to form the core part of the battery.

[0003] The traditional lamination method is mainly carried out by manual or simple mechanical equipment, which not only has low efficiency, but also is difficult to guarantee the quality and precision of lamination.

[0004] With the emergence of automatic lamination equipment, these devices can improve the speed and precision of lamination, but these devices are usually complex in structure and high in cost. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a lamination device and lamination equipment to solve the problem of complex structure of the automatic lamination equipment in the prior art.

[0006] In order to achieve the above purpose, according to one aspect of the utility model, a lamination device is provided, which comprises: a first turret provided with a plurality of first stations along its circumference, each first station being used for placing a positive pole piece; a second turret provided with a plurality of second stations along its circumference, each second station being used for placing a negative pole piece; the central axis of the first turret and the central axis of the second turret are parallel; wherein the first turret and the second turret are respectively located on both sides of a first separator movably arranged along a preset direction, the preset direction being perpendicular to the axial direction of the first turret and the axial direction of the second turret; the part of the first separator moving to the position between the first turret and the second turret is the processing part of the first separator; the first turret and the second turret are simultaneously and uniformly rotatable, so that one of the first stations on the first turret and one of the second stations on the second turret are simultaneously and respectively rotated to both sides of the processing part of the first separator, so as to simultaneously paste the positive pole piece on the first station and the negative pole piece on the second station on both sides of the processing part of the first separator, and the positive pole piece and the negative pole piece pasted on both sides of the processing part of the first separator are completely correspondingly arranged.

[0007] Further, the plurality of first stations on the first turret are uniformly and spacedly arranged along the circumference of the first turret.

[0008] Further, the plurality of second stations on the second turret are uniformly and spacedly arranged along the circumference of the second turret.

[0009] Further, the plurality of first stations on the first turret and the plurality of second stations on the second turret are arranged in one-to-one correspondence, so that one of the first stations on the first turret and the corresponding second station on the second turret rotate simultaneously and respectively to both sides of the processing part of the first diaphragm.

[0010] Further, the lamination device further comprises a second diaphragm output assembly and a third diaphragm output assembly, both located downstream of the first turret and the second turret, and respectively located on both sides of the first diaphragm, so that the second diaphragm output by the second diaphragm output assembly is attached to the side of the positive plate away from the first diaphragm, and the third diaphragm output by the third diaphragm output assembly is attached to the side of the negative plate away from the first diaphragm.

[0011] Further, the second diaphragm output assembly comprises a second rotating roller, and the second diaphragm is wound on the second rotating roller; the third diaphragm output assembly comprises a third rotating roller, and the third diaphragm is wound on the third rotating roller; the center axis of the second rotating roller and the center axis of the third rotating roller are parallel; the gap between the second rotating roller and the third rotating roller is used for the first diaphragm and the positive plate and the negative plate attached to the first diaphragm to pass through.

[0012] Further, the lamination device further comprises a first diaphragm output assembly for outputting the first diaphragm.

[0013] Further, the lamination device further comprises two clamping rollers, both located upstream of the first turret and the second turret; the gap between the two clamping rollers is used for the first diaphragm to pass through, so as to clamp the first diaphragm.

[0014] Further, the lamination device further comprises two pressure rollers, both located downstream of the first turret and the second turret; the gap between the two pressure rollers is used for the first diaphragm to pass through, so as to press the first diaphragm and the positive plate and the negative plate attached to both sides of the first diaphragm.

[0015] Further, a first platform is provided at the first station to place the positive plate on the first platform.

[0016] Further, a second platform is provided at the second station to place the negative plate on the second platform.

[0017] Further, a plurality of first driving members are provided in the first turret, and the plurality of first driving members are arranged in one-to-one correspondence with the plurality of first stations, and the output part of each first driving member is connected with the first platform of the corresponding first station to drive the corresponding first platform to extend or retract, so as to attach the positive plate on the first platform to the processing part of the first diaphragm.

[0018] Further, the second turret is internally provided with a plurality of second driving members, the plurality of second driving members are provided in one-to-one correspondence with the plurality of second stations, the output portion of each second driving member is connected with the second platform of the corresponding second station to drive the corresponding second platform to extend or retract, so that the negative plate on the second platform is attached to the processing portion of the first diaphragm.

[0019] Further, the first turret is a polygonal structure, and one first station is arranged on each side of the first turret.

[0020] Further, the second turret is a polygonal structure, and one second station is arranged on each side of the second turret.

[0021] According to another aspect of the present application, a laminating device is provided, which comprises the laminating device described above, a first conveying assembly for conveying positive plates, a first transfer assembly for transferring the positive plates on the first conveying assembly to the first stations of the first turret, a second conveying assembly for conveying negative plates, and a second transfer assembly for transferring the negative plates on the second conveying assembly to the second stations of the second turret.

[0022] Further, the first conveying assembly comprises a first conveying belt for conveying the positive plates.

[0023] Further, the first transfer assembly comprises a first mechanical arm and a first suction accessory arranged at the end of the first mechanical arm, at least a part of the first mechanical arm is movably arranged to drive the first suction accessory to move, so that the first suction accessory sucks the positive plates from the first conveying assembly and transfers the positive plates sucked by the first suction accessory to the first stations of the first turret.

[0024] Further, the second conveying assembly comprises a second conveying belt for conveying the negative plates.

[0025] Further, the second transfer assembly comprises a second mechanical arm and a second suction accessory arranged at the end of the second mechanical arm, at least a part of the second mechanical arm is movably arranged to drive the second suction accessory to move, so that the second suction accessory sucks the negative plates from the second conveying assembly and transfers the negative plates sucked by the second suction accessory to the second stations of the second turret.

[0026] The technical scheme of the present application provides a laminating device, which comprises a first turret and a second turret; the first turret is provided with a plurality of first stations along the circumference thereof, each first station is used for placing one positive plate; the second turret is provided with a plurality of second stations along the circumference thereof, each second station is used for placing one negative plate; the first turret is rotatably arranged around the central axis thereof, the second turret is rotatably arranged around the central axis thereof, and the central axis of the first turret and the central axis of the second turret are parallel.

[0027] The first turret and the second turret are respectively located on two sides of the first diaphragm movably arranged along a preset direction, the preset direction is perpendicular to the axial direction of the first turret and the axial direction of the second turret; the part of the first diaphragm moving to the part between the first turret and the second turret is a processing part of the first diaphragm.

[0028] The first turret and the second turret are simultaneously and synchronously arranged to rotate, so that one of the first stations on the first turret and one of the second stations on the second turret are simultaneously and synchronously rotated to two sides of the processing part of the first diaphragm, so that the positive plate on the first station and the negative plate on the second station rotated to the two sides of the processing part of the first diaphragm are simultaneously attached to the two sides of the processing part of the first diaphragm, and the positive plate and the negative plate attached to the two sides of the processing part of the first diaphragm are completely correspondingly arranged.

[0029] The laminating device provided by the application has a simple structure and solves the problem of complex structure of the automatic laminating device in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0030] The drawings accompanying the specification of the application form a part of the application and serve to provide further understanding of the application. The illustrative embodiments of the application and their descriptions serve to explain the application without forming an improper limitation on the application. In the drawings:

[0031] Figure 1 A structure schematic view of an embodiment of the laminating device according to the application is shown;

[0032] Figure 2 A side view of the laminating device in Figure 1 is shown;

[0033] Figure 3 A five-layer structure schematic view of the pole piece assembly according to the application is shown.

[0034] In the above drawings, the following reference signs are used:

[0035] 10, first turret; 12, first platform; 13, first driving member;

[0036] 20, second turret; 22, second platform; 23, second driving member;

[0037] 31, second rotating roller; 32, fifth rotating roller; 41, third rotating roller; 42, sixth rotating roller; 51, clamping roller;

[0038] 60, first conveying assembly; 601, first conveying belt; 61, first transfer assembly; 611, first suction accessory;

[0039] 70, second conveying assembly; 701, second conveying belt; 71, second transfer assembly; 711, second suction accessory;

[0040] 91, positive electrode sheet; 92, negative electrode sheet; 93, first separator; 94, second separator; 95, third separator. DETAILED DESCRIPTION

[0041] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0042] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs.

[0043] It should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a presence of the features, steps, operations, devices, components and / or combinations thereof.

[0044] The present application provides a lamination device, please refer to Figures 1 to 3 The lamination device comprises a first turret 10 and a second turret 20. The first turret 10 is provided with a plurality of first stations along its circumference, and each first station is used for placing a positive electrode sheet 91. The second turret 20 is provided with a plurality of second stations along its circumference, and each second station is used for placing a negative electrode sheet 92. The first turret 10 is rotatably arranged about its central axis, and the second turret 20 is rotatably arranged about its central axis. The central axis of the first turret 10 and the central axis of the second turret 20 are parallel.

[0045] The first separator 93 is movably arranged in a predetermined direction. The first turret 10 and the second turret 20 are respectively located on both sides of the first separator 93 movably arranged in the predetermined direction. The predetermined direction is perpendicular to the axial direction of the first turret 10 and the axial direction of the second turret 20. The central axis of the first turret 10 and the central axis of the second turret 20 are parallel to the plate surface of the first separator 93. The part of the first separator 93 moving between the first turret 10 and the second turret 20 is the processing part of the first separator 93.

[0046] The first turret 10 and the second turret 20 are arranged to rotate simultaneously and at the same speed, so that one of the first stations on the first turret 10 and one of the second stations on the second turret 20 rotate simultaneously and respectively to both sides of the processing part of the first diaphragm 93, so that the positive electrode 91 on the first station and the negative electrode 92 on the second station, which are respectively rotated to both sides of the processing part of the first diaphragm 93, are simultaneously attached to both sides of the processing part of the first diaphragm 93, and the positive electrode 91 and the negative electrode 92 attached to both sides of the processing part of the first diaphragm 93 are completely aligned.

[0047] Specifically, the lamination device of this application is a double turret type lamination device.

[0048] Optionally, a plurality of first stations on the first turret 10 are arranged evenly and at intervals along the circumference of the first turret 10.

[0049] Optionally, a plurality of second stations on the second turret 20 are arranged evenly and at intervals along the circumference of the second turret 20.

[0050] Specifically, multiple first stations on the first turret 10 are arranged in a one-to-one correspondence with multiple second stations on the second turret 20; the first turret 10 and the second turret 20 are arranged to rotate simultaneously and at the same speed, so that one of the first stations on the first turret 10 and the corresponding second station on the second turret 20 rotate simultaneously and respectively to both sides of the processing part of the first diaphragm 93, so that the positive electrode 91 on the first station and the negative electrode 92 on the corresponding second station, which are respectively rotated to both sides of the processing part of the first diaphragm 93, are simultaneously attached to both sides of the processing part of the first diaphragm 93, and the positive electrode 91 and the negative electrode 92 attached to both sides of the processing part of the first diaphragm 93 are completely correspondingly arranged.

[0051] Specifically, the first turret 10 has a polygonal structure, and each side of the first turret 10 is provided with a first station; the second turret 20 has a polygonal structure, and each side of the second turret 20 is provided with a second station.

[0052] Specifically, the equivalent diameter of the first turret 10 is equal to the equivalent diameter of the second turret 20, that is, the size of the first turret 10 is equal to the size of the second turret 20.

[0053] Optionally, the equivalent diameter of the first turret 10 is 50 cm; the equivalent diameter of the second turret 20 is 50 cm.

[0054] Optionally, the central axis of the first turret 10 and the central axis of the second turret 20 are both parallel to the horizontal direction; the preset direction is parallel to the vertical direction.

[0055] Specifically, the vertical height of the first turret 10 is equal to the vertical height of the second turret 20.

[0056] Optionally, the vertical height of the first turret 10 is 100 cm; the vertical height of the second turret 20 is 100 cm.

[0057] Optionally, the material of the first turret 10 includes stainless steel; the material of the second turret 20 includes stainless steel.

[0058] In the present application, the lamination device further includes a second diaphragm output assembly and a third diaphragm output assembly, both of which are located downstream of the first turret 10 and the second turret 20, and the second diaphragm output assembly and the third diaphragm output assembly are respectively located on both sides of the first diaphragm 93, so that the second diaphragm 94 output by the second diaphragm output assembly is attached to the side of the positive plate 91 away from the first diaphragm 93, and the third diaphragm 95 output by the third diaphragm output assembly is attached to the side of the negative plate 92 away from the first diaphragm 93.

[0059] Specifically, the pole piece assembly formed by the lamination device includes five layers, namely the second diaphragm 94 layer, the positive plate layer, the first diaphragm layer, the negative plate layer, and the third diaphragm 95 layer; wherein the second diaphragm 94 layer is a continuous whole diaphragm, the first diaphragm layer is a continuous whole diaphragm, and the third diaphragm 95 layer is a continuous whole diaphragm; the positive plate layer is a plurality of positive plates 91 distributed at intervals, the negative plate layer is a plurality of negative plates 92 distributed at intervals, the plurality of positive plates 91 of the positive plate layer and the plurality of negative plates 92 of the negative plate layer are set in one-to-one correspondence, and each positive plate 91 of the positive plate layer is set in complete correspondence with the corresponding negative plate 92 of the negative plate layer.

[0060] Optionally, the preset direction is from top to bottom; the second diaphragm output assembly and the third diaphragm output assembly are both located below the first turret 10 and the second turret 20.

[0061] In the present application, the second diaphragm output assembly comprises a second rotating roller 31, the second diaphragm 94 is wound on the second rotating roller 31, and the second rotating roller 31 is rotatably arranged around the central axis thereof; the third diaphragm output assembly comprises a third rotating roller 41, the third diaphragm 95 is wound on the third rotating roller 41, and the third rotating roller 41 is rotatably arranged around the central axis thereof; the central axis of the second rotating roller 31 and the central axis of the third rotating roller 41 are parallel; the gap between the second rotating roller 31 and the third rotating roller 41 is used for the first diaphragm 93 and the positive electrode sheet 91 and the negative electrode sheet 92 attached to the first diaphragm 93 to pass, that is, the second rotating roller 31 and the third rotating roller 41 are respectively located on the two sides of the first diaphragm 93; when the first diaphragm 93 and the positive electrode sheet 91 and the negative electrode sheet 92 attached to the first diaphragm 93 pass between the second rotating roller 31 and the third rotating roller 41, the second diaphragm 94 wound on the second rotating roller 31 is attached to the side of the positive electrode sheet 91 away from the first diaphragm 93, and at the same time, the third diaphragm 95 wound on the third rotating roller 41 is attached to the side of the negative electrode sheet 92 away from the first diaphragm 93.

[0062] Specifically, the central axis of the second rotating roller 31 and the central axis of the third rotating roller 41 are both perpendicular to the preset direction, the central axis of the second rotating roller 31 and the central axis of the third rotating roller 41 are both parallel to the central axis of the first turret 10 and the central axis of the second turret 20, and the central axis of the second rotating roller 31 and the central axis of the third rotating roller 41 are both parallel to the plate surface of the first diaphragm 93.

[0063] Specifically, the second diaphragm output assembly further comprises a fifth rotating roller 32, the fifth rotating roller 32 is rotatably arranged around the central axis thereof, and the central axis of the fifth rotating roller 32 is parallel to the central axis of the second rotating roller 31; the second diaphragm 94 is wound on the fifth rotating roller 32.

[0064] Optionally, the diameter of the fifth rotating roller 32 is greater than the diameter of the second rotating roller 31.

[0065] Optionally, the fifth rotating roller 32 is located on the side of the second rotating roller 31 away from the first diaphragm 93.

[0066] Specifically, the third diaphragm output assembly further comprises a sixth rotating roller 42, the sixth rotating roller 42 is rotatably arranged around the central axis thereof, and the central axis of the sixth rotating roller 42 is parallel to the central axis of the third rotating roller 41; the second diaphragm 94 is wound on the sixth rotating roller 42.

[0067] Optionally, the diameter of the sixth rotating roller 42 is greater than the diameter of the third rotating roller 41.

[0068] Optionally, the sixth rotating roller 42 is located on the side of the third rotating roller 41 away from the first diaphragm 93.

[0069] In the present application, a first platform 12 is arranged at the first station to place the positive plate 91 on the first platform 12; and a second platform 22 is arranged at the second station to place the negative plate 92 on the second platform 22.

[0070] Optionally, the placement surface of the first platform 12 is rectangular, and the size of the placement surface of the first platform 12 is 100cm*100cm. Optionally, the material of the first platform 12 is hard alloy. In this way, the flatness and the accuracy of the placement position of the positive plate 91 can be ensured.

[0071] Optionally, the placement surface of the second platform 22 is rectangular, and the size of the placement surface of the second platform 22 is 100cm*100cm. Optionally, the material of the second platform 22 is hard alloy. In this way, the flatness and the accuracy of the placement position of the negative plate 92 can be ensured.

[0072] In the present application, a plurality of first driving members 13 are arranged in the first turret 10, and the plurality of first driving members 13 are arranged one-to-one corresponding to the plurality of first stations; the output portion of each first driving member 13 is connected with the first platform 12 of the corresponding first station, so that the output portion of each first driving member 13 drives the corresponding first platform 12 to extend or retract; the corresponding first platform 12 is driven by the first driving member 13 to extend, so as to paste the positive plate 91 on the first platform 12 on the processing part of the first diaphragm 93; and after the positive plate 91 on the first platform 12 is pasted on the processing part of the first diaphragm 93, the first platform 12 is driven by the first driving member 13 to retract.

[0073] Specifically, each first driving member 13 is connected with the corresponding first platform 12 through a first transmission member; and the first transmission member is movably arranged on the first turret 10.

[0074] Optionally, the first transmission member is a first transmission rod.

[0075] Optionally, the first driving member 13 is a pneumatic cylinder.

[0076] In the present application, a plurality of second driving members 23 are arranged in the second turret 20, and the plurality of second driving members 23 are arranged one-to-one corresponding to the plurality of second stations; the output portion of each second driving member 23 is connected with the second platform 22 of the corresponding second station, so that the output portion of each second driving member 23 drives the corresponding second platform 22 to extend or retract; the corresponding second platform 22 is driven by the second driving member 23 to extend, so as to paste the negative plate 92 on the second platform 22 on the processing part of the first diaphragm 93; and after the negative plate 92 on the second platform 22 is pasted on the processing part of the first diaphragm 93, the second platform 22 is driven by the second driving member 23 to retract.

[0077] Specifically, each second driving member 23 is connected with the corresponding second platform 22 through a second transmission member; the second transmission member is movably arranged on the second platform 22.

[0078] Optionally, the second transmission member is a second transmission rod.

[0079] Optionally, the second driving member 23 is a cylinder.

[0080] In the present application, the laminated device further comprises a first diaphragm output assembly for outputting the first diaphragm 93.

[0081] Specifically, the first diaphragm output assembly comprises a plurality of first rotating rollers, each of which is rotatably arranged around a central axis, and the central axes of the plurality of first rotating rollers are parallel; the first diaphragm 93 is arranged around the plurality of first rotating rollers.

[0082] Specifically, the first diaphragm output assembly further comprises a third motor for driving the plurality of first rotating rollers to rotate.

[0083] Optionally, the rotation speed of the third motor is set to 500 rpm.

[0084] Optionally, the third motor is a stepping motor.

[0085] In the present application, the laminated device further comprises two clamping rollers 51; the two clamping rollers 51 are located upstream of the first turret 10 and the second turret 20; each clamping roller 51 is rotatably arranged around a central axis, and the central axes of the two clamping rollers 51 are parallel; the gap between the two clamping rollers 51 is used for the first diaphragm 93 to pass through to clamp the first diaphragm 93.

[0086] Optionally, the preset direction is from top to bottom; the two clamping rollers 51 are located above the first turret 10 and the second turret 20.

[0087] Specifically, the central axes of the two clamping rollers 51 are perpendicular to the preset direction, the central axes of the two clamping rollers 51 are parallel to the central axis of the first turret 10 and the central axis of the second turret 20, and the central axes of the two clamping rollers 51 are parallel to the plate surface of the first diaphragm 93.

[0088] Optionally, the diameters of the two clamping rollers 51 are equal.

[0089] In the application, the lamination device further comprises two pressure rollers; the two pressure rollers are located downstream of the first turret 10 and the second turret 20 and upstream of the second diaphragm output assembly and the third diaphragm output assembly; each pressure roller is rotatably arranged around a central axis thereof, and the central axes of the two pressure rollers are parallel; a gap between the two pressure rollers is used for passing the first diaphragm 93, so as to extrude the first diaphragm 93 and the positive plate 91 and the negative plate 92 attached to the two sides of the first diaphragm 93, so as to press the positive plate 91 and the negative plate 92 attached to the two sides of the first diaphragm 93 and the first diaphragm 93, and then make the positive plate 91 and the negative plate 92 tightly attached to the first diaphragm 93.

[0090] Optionally, the preset direction is from top to bottom; the two pressure rollers are located below the first turret 10 and the second turret 20 and above the second diaphragm output assembly and the third diaphragm output assembly.

[0091] Specifically, the central axes of the two pressure rollers are perpendicular to the preset direction, the central axes of the two pressure rollers are parallel to the central axes of the first turret 10 and the second turret 20, and the central axes of the two pressure rollers are parallel to the plate surface of the first diaphragm 93.

[0092] Optionally, the diameters of the two pressure rollers are equal; for example, the diameters of the two pressure rollers are both 10 cm.

[0093] Optionally, the materials of the two pressure rollers both comprise rubber materials.

[0094] Optionally, the pressure of the two pressure rollers is set to 5 MPa, so as to ensure the tight attachment of the plate and the first diaphragm 93.

[0095] In the application, the first diaphragm 93, the second diaphragm 94 and the third diaphragm 95 are collectively referred to as diaphragms; one side of the diaphragm facing the plate has a certain adhesion. Optionally, a coating layer is arranged on the side of the diaphragm facing the plate, so that the side of the diaphragm facing the plate has a certain adhesion.

[0096] The utility model further provides a kind of laminating equipment, it includes above-mentioned laminating device.

[0097] In the application, the laminating equipment further comprises a first conveying assembly 60 and a first transfer assembly 61, the first conveying assembly 60 is used to convey the positive plate 91;The first transfer assembly 61 is used to transfer the positive plate 91 on the first conveying assembly 60 to the first station of the first turret 10.

[0098] Specifically, the first conveying assembly 60 is located on one side of the first turret 10.

[0099] Specifically, the first conveying assembly 60 is configured to sequentially convey the plurality of positive electrode sheets 91 to a first preset position on the first conveying assembly 60; and the first transfer assembly 61 is configured to sequentially transfer the positive electrode sheets 91 on the first preset position to the first workstations of the first turret 10.

[0100] Specifically, the first conveying assembly 60 comprises a first conveying belt 601 configured to convey the positive electrode sheets 91.

[0101] Specifically, the first conveying belt 601 is configured to sequentially convey the plurality of positive electrode sheets 91 to a first preset position on the first conveying belt 601.

[0102] Specifically, the first transfer assembly 61 comprises a first mechanical arm and a first suction accessory 611 arranged at the end of the first mechanical arm; at least a part of the first mechanical arm is movably arranged to drive the first suction accessory 611 to move, so that the first suction accessory 611 sucks the positive electrode sheets 91 from the first conveying assembly 60 and transfers the positive electrode sheets 91 sucked by the first suction accessory 611 to the first workstations of the first turret 10.

[0103] Specifically, at least a part of the first mechanical arm is movably arranged to drive the first suction accessory 611 to move, so that the first suction accessory 611 sucks the positive electrode sheets 91 from the first preset position on the first conveying assembly 60 and transfers the positive electrode sheets 91 sucked by the first suction accessory 611 to the first workstations of the first turret 10.

[0104] Specifically, at least a part of the first mechanical arm is movably arranged to drive the first suction accessory 611 to move, so that the first suction accessory 611 sucks the positive electrode sheets 91 from the first preset position on the first conveying belt 601 and transfers the positive electrode sheets 91 sucked by the first suction accessory 611 to the first workstations of the first turret 10.

[0105] Optionally, the first suction accessory 611 is a suction disc.

[0106] Optionally, the first conveying assembly 60 comprises a first motor configured to drive the first conveying belt 601.

[0107] Optionally, a plurality of first suction accessories 611 are arranged at the end of the first mechanical arm, and the plurality of first suction accessories 611 are configured to collectively suck the positive electrode sheets 91.

[0108] In the present application, the laminating device further comprises a second conveying assembly 70 and a second transfer assembly 71; the second conveying assembly 70 is configured to convey the negative electrode sheets 92; and the second transfer assembly 71 is configured to transfer the negative electrode sheets 92 on the second conveying assembly 70 to the second workstations of the second turret 20.

[0109] Specifically, the second conveying assembly 70 is arranged on one side of the second turret 20.

[0110] Specifically, the second conveying assembly 70 is configured to sequentially convey the plurality of negative electrode sheets 92 to a second preset position on the second conveying assembly 70; and the second transfer assembly 71 is configured to sequentially transfer the negative electrode sheets 92 on the second preset position to the second workstations of the second turret 20.

[0111] Specifically, the second conveying assembly 70 comprises a second conveying belt 701 configured to convey the negative electrode sheets 92.

[0112] Specifically, the second conveying belt 701 is configured to sequentially convey the plurality of negative electrode sheets 92 to a second preset position on the second conveying belt 701.

[0113] Specifically, the second transfer assembly 71 comprises a second robot arm and a second suction accessory 711 arranged at the end of the second robot arm; at least a part of the second robot arm is movably arranged to drive the second suction accessory 711 to move, so that the second suction accessory 711 sucks the negative electrode sheets 92 from the second conveying assembly 70 and transfers the negative electrode sheets 92 sucked by the second suction accessory 711 to the second workstations of the second turret 20.

[0114] Specifically, at least a part of the second robot arm is movably arranged to drive the second suction accessory 711 to move, so that the second suction accessory 711 sucks the negative electrode sheets 92 from the second preset position on the second conveying assembly 70 and transfers the negative electrode sheets 92 sucked by the second suction accessory 711 to the second workstations of the second turret 20.

[0115] Specifically, at least a part of the second robot arm is movably arranged to drive the second suction accessory 711 to move, so that the second suction accessory 711 sucks the negative electrode sheets 92 from the second preset position on the second conveying belt 701 and transfers the negative electrode sheets 92 sucked by the second suction accessory 711 to the second workstations of the second turret 20.

[0116] Optionally, the end of the first robot arm is provided with a plurality of second suction accessories 711, and the plurality of second suction accessories 711 are configured to collectively suck the negative electrode sheets 92.

[0117] Optionally, the second suction accessory 711 is a suction disc.

[0118] Optionally, the second conveying assembly 70 comprises a second motor configured to drive the second conveying belt 701.

[0119] Optionally, the rotation speed of the first motor is equal to the rotation speed of the second motor.

[0120] Optionally, the rotation speed of the first motor is 1000 rpm, and the rotation speed of the second motor is 1000 rpm.

[0121] In the present application, the lamination device further comprises a control system for intelligent control of the lamination device; that is, real-time monitoring and adjustment of the entire lamination process are performed to ensure the stability and efficiency of the lamination process.

[0122] Specifically, the control system comprises a computer.

[0123] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects:

[0124] In the laminating device provided by the utility model, the laminating device comprises a first turret 10 and a second turret 20; the first turret 10 is provided with a plurality of first stations along the circumference thereof, and each first station is used for placing a positive plate 91; the second turret 20 is provided with a plurality of second stations along the circumference thereof, and each second station is used for placing a negative plate 92; the first turret 10 is rotatably arranged around the central axis thereof, the second turret 20 is rotatably arranged around the central axis thereof, and the central axis of the first turret 10 and the central axis of the second turret 20 are parallel.

[0125] The first turret 10 and the second turret 20 are respectively located on the two sides of the first diaphragm 93 movably arranged along a preset direction, and the preset direction is perpendicular to the axial direction of the first turret 10 and the axial direction of the second turret 20; the part of the first diaphragm 93 moving to the position between the first turret 10 and the second turret 20 is the processing part of the first diaphragm 93.

[0126] The first turret 10 and the second turret 20 are rotatably arranged at the same speed, so that one of the first stations on the first turret 10 and one of the second stations on the second turret 20 are simultaneously and respectively rotated to the two sides of the processing part of the first diaphragm 93, so as to simultaneously paste the positive plate 91 on the first station and the negative plate 92 on the second station, which are respectively rotated to the two sides of the processing part of the first diaphragm 93, on the two sides of the processing part of the first diaphragm 93, and make the positive plate 91 and the negative plate 92 pasted on the two sides of the processing part of the first diaphragm 93 correspond completely.

[0127] The laminating device of the application has a simple structure and solves the problem of complex structure of the automatic laminating device in the prior art.

[0128] In the specific implementation process, the rotation speed and precision of the first turret 10 and the second turret 20 are completely consistent, so as to ensure that the stacking position of the positive plate, the negative plate and the diaphragm is accurate and will not deviate, thereby avoiding the influence of the deviation of the stacking position of the positive plate, the negative plate and the diaphragm on the performance of the battery; the quality stability of the laminating is ensured, so as to prolong the service life of the battery.

[0129] The laminating device of the application can improve the speed and precision of laminating, thereby improving the production efficiency and quality of the battery to meet the demand of large-scale production; and can also reduce the cost of the equipment.

[0130] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0131] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0132] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A lamination device, characterized by The application relates to a laminating device. The first turret (10) is provided with a plurality of first stations along the circumference of the first turret (10), and each of the first stations is used for placing a positive plate (91); the second turret (20) is provided with a plurality of second stations along the circumference of the second turret (20), and each of the second stations is used for placing a negative plate (92); the central axis of the first turret (10) is parallel to the central axis of the second turret (20); wherein the first turret (10) and the second turret (20) are respectively located on the two sides of a first diaphragm (93) which is movably arranged along a preset direction, the preset direction is perpendicular to the axial direction of the first turret (10) and the axial direction of the second turret (20); the part of the first diaphragm (93) which moves to the position between the first turret (10) and the second turret (20) is a processing part of the first diaphragm (93); the first turret (10) and the second turret (20) are simultaneously and synchronously rotated, so that one of the first stations on the first turret (10) and one of the second stations on the second turret (20) are simultaneously and respectively rotated to the two sides of the processing part of the first diaphragm (93), so that the positive plate (91) on the first station and the negative plate (92) on the second station are simultaneously attached to the two sides of the processing part of the first diaphragm (93), and the positive plate (91) and the negative plate (92) attached to the two sides of the processing part of the first diaphragm (93) are completely correspondingly arranged.

2. The laminating device according to claim 1, wherein the plurality of first stations on the first turret (10) are uniformly and spacedly arranged along the circumference of the first turret (10); and / or the plurality of second stations on the second turret (20) are uniformly and spacedly arranged along the circumference of the second turret (20); and / or the plurality of first stations on the first turret (10) are correspondingly arranged with the plurality of second stations on the second turret (20) one by one, so that one of the first stations on the first turret (10) and the corresponding second station on the second turret (20) are simultaneously and respectively rotated to the two sides of the processing part of the first diaphragm (93). The laminating device further comprises a second diaphragm output assembly and a third diaphragm output assembly, which are located downstream of the first turret (10) and the second turret (20) and are respectively located on the two sides of the first diaphragm (93), so that the second diaphragm output by the second diaphragm output assembly is attached to the side of the positive plate (91) which is away from the first diaphragm (93), and the third diaphragm output by the third diaphragm output assembly is attached to the side of the negative plate (92) which is away from the first diaphragm (93). ​ ​ ​ ​ ​ 3. The lamination device of claim 1, wherein ​ 4. The lamination device of claim 3, wherein The second diaphragm output assembly comprises a second rotating roller (31), and the second diaphragm is arranged on the second rotating roller (31); the third diaphragm output assembly comprises a third rotating roller (41), and the third diaphragm is arranged on the third rotating roller (41); the central axis of the second rotating roller (31) is parallel to the central axis of the third rotating roller (41); and a gap between the second rotating roller (31) and the third rotating roller (41) is used for passing the first diaphragm (93) and the positive electrode sheet (91) and the negative electrode sheet (92) attached to the first diaphragm (93).

5. The lamination device of claim 1, wherein The laminating device further comprises: a first diaphragm output assembly for outputting the first diaphragm (93); and / or two clamping rollers (51), which are located upstream of the first turret (10) and the second turret (20); a gap between the two clamping rollers (51) is used for passing the first diaphragm (93) to clamp the first diaphragm (93); and / or two pressure rollers, which are located downstream of the first turret (10) and the second turret (20); a gap between the two pressure rollers is used for passing the first diaphragm (93) to press the first diaphragm (93) and the positive electrode sheet (91) and the negative electrode sheet (92) attached to the two sides of the first diaphragm (93).

6. The laminating device according to claim 1, wherein a first platform (12) is arranged at the first station to place the positive electrode sheet (91) on the first platform (12); and / or a second platform (22) is arranged at the second station to place the negative electrode sheet (92) on the second platform (22).

7. The laminating device according to claim 6, wherein a plurality of first driving members (13) are arranged in the first turret (10), and the plurality of first driving members (13) are arranged in one-to-one correspondence with the plurality of first stations; the output part of each first driving member (13) is connected with the first platform (12) of the corresponding first station to drive the corresponding first platform (12) to stretch or retract, so that the positive electrode sheet (91) on the first platform (12) is attached to the processing part of the first diaphragm (93); and / or a plurality of second driving members (23) are arranged in the second turret (20), and the plurality of second driving members (23) are arranged in one-to-one correspondence with the plurality of second stations; the output part of each second driving member (23) is connected with the second platform (22) of the corresponding second station to drive the corresponding second platform (22) to stretch or retract, so that the negative electrode sheet (92) on the second platform (22) is attached to the processing part of the first diaphragm (93).

8. The laminating device according to claim 1, wherein the first turret (10) is a polygonal structure, and one first station is arranged on each side of the first turret (10); and / or The second turret (20) is a polygonal structure, and each side of the second turret (20) is provided with a second station.

9. A lamination apparatus characterized by, Comprise: The laminating device of any one of claims 1 to 8; A first conveying assembly (60) for conveying positive electrode sheets (91); A first transfer assembly (61) for transferring the positive electrode sheets (91) on the first conveying assembly (60) to the first stations of the first turret (10); A second conveying assembly (70) for conveying negative electrode sheets (92); A second transfer assembly (71) for transferring the negative electrode sheets (92) on the second conveying assembly (70) to the second stations of the second turret (20).

10. The laminating device of claim 9, wherein The first conveying assembly (60) comprises a first conveying belt (601) for conveying positive electrode sheets (91); and / or The first transfer assembly (61) comprises a first mechanical arm and a first suction accessory (611) provided at the end of the first mechanical arm, at least part of the first mechanical arm is movably arranged to drive the first suction accessory (611) to move, so that the first suction accessory (611) sucks the positive electrode sheets (91) from the first conveying assembly (60) and transfers the positive electrode sheets (91) sucked by the first suction accessory (611) to the first stations of the first turret (10); and / or The second conveying assembly (70) comprises a second conveying belt (701) for conveying negative electrode sheets (92); and / or The second transfer assembly (71) comprises a second mechanical arm and a second suction accessory (711) provided at the end of the second mechanical arm, at least part of the second mechanical arm is movably arranged to drive the second suction accessory (711) to move, so that the second suction accessory (711) sucks the negative electrode sheets (92) from the second conveying assembly (70) and transfers the negative electrode sheets (92) sucked by the second suction accessory (711) to the second stations of the second turret (20).

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