Storage battery plate group wrapping device

Abstract

The utility model discloses a storage battery plate group plate wrapping device, which relates to the technical field of storage battery plate group plate wrapping and comprises a first partition plate pressing wheel and a second partition plate pressing wheel which are driven by a power mechanism to rotate. The circumferential surfaces of the first partition plate pressing wheel and the second partition plate pressing wheel are close to each other and form a crease pressing seam; first convex indentation grooves and first concave indentation grooves which are the same as the first partition plate pressing wheel in the axis direction are evenly distributed in the circumferential face of the first partition plate pressing wheel in a staggered mode at intervals, and second convex indentation grooves and second concave indentation grooves which are matched with each other are formed in the circumferential face of the second partition plate pressing wheel. And the partition plates with the indentations formed by the first partition plate pressing wheel and the second partition plate pressing wheel are folded according to the indentation direction to form a continuous Z-shaped folding structure, and the polar plates are placed on the same folding side of the Z-shaped folding structure at the same time, so that the plate wrapping operation is completed. According to the utility model, a pressing wheel indentation folding method is adopted to realize continuous bending of the partition plates, and an operator can accurately place the polar plates one by one, so that the production of polar groups can be completed, and the quality of the polar plates can be inspected one by one.

Description

Technical Field

[0001] The utility model relates to the technical field of battery plate group wrapping, and more specifically, to a battery plate group wrapping device. Background Art

[0002] The lead-acid battery plate group is an important component in the battery, which is crucial for the performance and lifespan of the battery. The plate group usually consists of a large number of positive plates, negative plates, and separators. Through the vertical arrangement of the interspersed positive and negative plates, with separators used in between, on the one hand, it separates the positive and negative electrodes to avoid short-circuit phenomena, and on the other hand, there are sufficient pores on the separators for the electrolyte to pass through, ensuring ion movement and current flow between the positive and negative electrodes.

[0003] Currently, most industrial batteries use AGM separators, which are divided into sheet separators and roll separators. For sheet separators, the length of the separator needs to be cut according to the required dimensions. Before use, battery manufacturers fold it in half and then use it to wrap the plates. There are disadvantages such as inconsistent lengths, widths, and thicknesses of the separators required for various types of batteries, often preparing multiple semi-finished products, being prone to mixed use, and poor versatility. Roll separators only need to distinguish width and thickness and can be cut according to usage requirements, and have always been favored by battery manufacturers.

[0004] For the production of plate groups using roll separators, most manufacturers use automatic plate stacking machines to process the plate groups, that is, placing negative plates on one side and positive plates on the other side, and cutting the roll separators as required through parameter settings. Through mechanical transmission, the wrapping machine places a negative plate, then conveys a relatively long separator and cuts it off, stacks a positive plate on top, and the pusher pushes the other end of the separator up to the top of the plate group to wrap the positive plate. This process is repeated to produce the plate group. The automatic wrapping technology has complex equipment design, large upfront investment, and is prone to batch quality defects such as uneven separators, damaged plates, and damaged separators. When switching models, professional personnel are required to replace the mold and make adjustments. At the same time, cutting the separators one by one is prone to size deviation and affects the production rhythm. In addition, there is a section of the roll separator that cannot be used later, resulting in waste of semi-finished products.

[0005] Therefore, how to solve the problems of easy quality defects, low efficiency, and waste of semi-finished separator plates in the existing technology, and provide a battery plate group wrapping device is an urgent problem for those skilled in the art. Summary of the Utility Model

[0006] In view of this, the utility model provides a battery plate group wrapping device, aiming to solve the above technical problems.

[0007] To achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A battery plate group wrapping device for a storage battery, comprising: a first separator pressing wheel and a second separator pressing wheel driven to rotate by a power mechanism;

[0009] The axes of the first separator pressing wheel and the second separator pressing wheel are arranged in parallel, and the circumferential surfaces of the first separator pressing wheel and the second separator pressing wheel are close to each other to form a crease pressing seam; the power mechanism drives the first separator pressing wheel and the second separator pressing wheel to rotate in opposite directions at the same speed; on the circumferential surface of the first separator pressing wheel, first convex indentation grooves and first concave indentation grooves in the same direction as its axis are evenly distributed at intervals and staggered, and on the circumferential surface of the second separator pressing wheel, there are second convex indentation grooves and second concave indentation grooves matching the first convex indentation grooves and the first concave indentation grooves.

[0010] Through the above technical solution, the present utility model provides an industrial battery plate group wrapping device for a storage battery. By using the form of mutual cooperation of the grooves and protrusions on the first separator pressing wheel and the second separator pressing wheel to make indentations, the separator can be folded and wrapped according to the indentations, solving the problems of quality defects, low efficiency, and waste of semi-finished separators that easily occur in the prior art.

[0011] Preferably, in the above battery plate group wrapping device for a storage battery, the power mechanism includes a driving motor, and a gear set connected to the power output end of the driving motor. The power output end of the gear set is connected to the support shafts of the first separator pressing wheel and the second separator pressing wheel. Through the sequential meshing transmission of the gears, the first separator pressing wheel and the second separator pressing wheel rotate in opposite directions at the same speed.

[0012] Preferably, in the above battery plate group wrapping device for a storage battery, the two ends of the second separator pressing wheel have radially protruding limiting rings, and the two ends of the first separator pressing wheel are limited inside the two limiting rings. The limiting rings can cooperate with the first separator pressing wheel to limit the position of the separator.

[0013] Preferably, in the above battery plate group wrapping device for a storage battery, it further includes a vertical frame. The top surface of the vertical frame has a support mechanism, and the support shafts of the first separator pressing wheel and the second separator pressing wheel and the power mechanism are all installed on the support mechanism. The support mechanism can meet the installation requirements of the support shafts and the power mechanism.

[0014] Preferably, in the above battery plate group wrapping device for a storage battery, it further includes a conveying mechanism. The conveying mechanism includes a separator conveying shaft rotatably connected to the lower part of the vertical frame. The separator conveying shaft is used to sleeved with a roll of separator. The separator pulled out from the roll of separator bypasses above the first separator pressing wheel and then enters the crease pressing seam. The separator conveying shaft can realize the installation of the roll of separator, and then cooperate with the pressing wheel for use.

[0015] Preferably, in the above-mentioned battery plate group wrapping device, the conveying mechanism further includes a speed reduction component installed on the vertical frame and connected to the separator conveying shaft. The setting of the speed reduction component can control the rotation speed of the wound separator.

[0016] Preferably, in the above-mentioned battery plate group wrapping device, it further includes a wrapping plate frame mechanism arranged on the side of the second separator pressing wheel away from the first separator pressing wheel. The wrapping plate frame mechanism includes an operating table and a slideway. The front of the operating table faces away from the first separator pressing wheel. The upper part of the back plate of the operating table has a feeding port. The slideway is arranged on the back side of the operating table. The bottom end of the slideway is fixed on the support plate at the lower part of the back plate of the operating table. The slideway includes an inclined straight slideway and an arc slideway extending upward in sequence. A support rod is connected between the arc slideway and the support plate. The separator of the wound separator is wound around the arc slideway after being processed by the crease pressing seam and enters the feeding port along the inclined straight slideway. The support rod is arranged on the back of the slideway to play a role in fixing and preventing deformation of the slideway; during actual operation, the operator slides and folds the separator along the bottom of the slideway and sequentially places the electrode plates in the center of the separator to meet the requirements of wrapping the plate.

[0017] Preferably, in the above-mentioned battery plate group wrapping device, the operating table is a three-sided closed table body, and the table top of the operating table is a hollow structure. The bottom of the operating table has a conical dust collection box connected to the hollow structure. The bottom end of the conical dust collection box has a pull-out dust collection drawer; a dust removal suction component is installed on the back plate of the operating table. The dust removal suction component can be connected to a dust removal filter to avoid pollution caused by lead dust and lead fume and occupational health hazards to the operator.

[0018] Preferably, in the above-mentioned battery plate group wrapping device, a sensor is installed on the bottom surface of the support plate, corresponding to the conveyed separator. The sensor is arranged at the bottom of the support plate to sense the position of the separator, communicate with the control component of the driving motor, and control the start and stop of the driving motor to ensure continuous supply of the separator.

[0019] The present invention also provides a wrapping method for a battery plate group wrapping device. The separator formed with indentations by the first separator pressing wheel and the second separator pressing wheel is folded in accordance with the indentation direction to form a continuous Z-shaped folding structure, and the electrode plates are simultaneously placed on the same side of the Z-shaped folding structure during folding to complete the wrapping operation.

[0020] As can be seen from the above technical solutions, compared with the prior art, the present utility model discloses a battery plate group wrapping device, which is realized by the close cooperation of various mechanisms and adopts the method of pressing wheel indentation and folding. It can continuously bend the separator, with good bending consistency, avoiding poor length consistency caused by repeatedly cutting the separator and the consumption of the cutting tool. Through the cooperation of the crease of the separator and the slideway, the operator can accurately place the plates one by one, which can not only complete the production of the plate group, but also check the quality of the plates one by one, effectively eliminating the problems that the automatic wrapping machine cannot identify the plates and damage the plates due to the bending of the plate surface and the falling of paste, improving the quality of the battery. At the same time, the whole roll of separator can be fully used without waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings.

[0022] Figure 1 The drawings are the schematic structural diagrams of the pressing wheel side of the battery plate group wrapping device provided by the present utility model;

[0023] Figure 2 The drawings are the schematic structural diagrams of the wrapping plate frame mechanism side of the battery plate group wrapping device provided by the present utility model;

[0024] Figure 3 The drawings are Figure 2 the enlarged view of the partial A in

[0025] Figure 4 The drawings are the front structural diagrams of the combined structure of the vertical frame, the pressing wheel and the power mechanism provided by the present utility model;

[0026] Figure 5 The drawings are the rear structural diagrams of the combined structure of the vertical frame, the pressing wheel and the power mechanism provided by the present utility model;

[0027] Figure 6 The drawings are the top structural diagrams of the combined structure of the vertical frame, the pressing wheel and the power mechanism provided by the present utility model;

[0028] Figure 7 The drawings are the sectional views of the combined structure of the vertical frame, the pressing wheel and the power mechanism provided by the present utility model;

[0029] Figure 8 The drawings are the schematic structural diagrams of the back side of the wrapping plate frame mechanism provided by the present utility model;

[0030] Figure 9 The attached drawing is a schematic structural view of the front side of the board wrapping frame mechanism provided by the present utility model;

[0031] Figure 10 The attached drawing is a schematic top view structural view of the board wrapping frame mechanism provided by the present utility model;

[0032] Figure 11 The attached drawing is a sectional view of the board wrapping frame mechanism provided by the present utility model;

[0033] Figure 12 The attached drawing is a schematic diagram of the separator conveying of the battery plate group wrapping device provided by the present utility model;

[0034] Figure 13 The attached drawing is a schematic principle diagram of the battery plate group wrapping method provided by the present utility model.

[0035] Wherein:

[0036] 1 - Power mechanism;

[0037] 11 - Driving motor; 12 - Gear set; 121 - Driving gear; 122 - Driven gear;

[0038] 2 - First separator pressing wheel;

[0039] 21 - First convex indentation groove; 22 - First concave indentation groove; 23 - Crease pressing seam; 24 - Support shaft;

[0040] 3 - Second separator pressing wheel;

[0041] 31 - Second convex indentation groove; 32 - Second concave indentation groove; 33 - Limiting convex ring;

[0042] 4 - Upright frame;

[0043] 41 - Support mechanism; 411 - Upright rod; 412 - Mounting plate; 4121 - Strip hole; 413 - L-shaped plate; 414 - First bearing seat; 42 - Bottom plate; 43 - Top plate; 44 - Column;

[0044] 5 - Conveying mechanism;

[0045] 51 - Separator conveying shaft; 52 - Deceleration assembly; 521 - Bracket; 522 - Lead screw; 523 - Deceleration sleeve; 524 - Threaded pipe; 525 - Wrench rod; 53 - Second bearing seat; 54 - Flap;

[0046] 6 - Board wrapping frame mechanism;

[0047] 61 - Operating table; 611 - Back panel; 6111 - Feed inlet; 612 - Table top; 62 - Slideway; 621 - Inclined straight slideway; 622 - Arc slideway; 623 - Guide projection; 63 - Support plate; 64 - Support rod; 65 - Conical dust collection box; 66 - Pull - out dust collection drawer; 67 - Dust collection and suction assembly; 68 - Sensor;

[0048] 7 - Partition board;

[0049] 71 - Indentation; 72 - Z - type folding structure;

[0050] 8 - Electrode plate. Specific embodiments

[0051] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0052] Refer to Att Figure 4 to Att Figure 7 , the embodiments of the present utility model disclose a battery plate group packaging device, including: a first partition pressing wheel 2 and a second partition pressing wheel 3 driven to rotate by a power mechanism 1;

[0053] The axes of the first partition pressing wheel 2 and the second partition pressing wheel 3 are arranged in parallel, and the circumferential surfaces of the first partition pressing wheel 2 and the second partition pressing wheel 3 are close to each other to form a crease pressing seam 23; the power mechanism 1 drives the first partition pressing wheel 2 and the second partition pressing wheel 3 to rotate in opposite directions at the same speed; on the circumferential surface of the first partition pressing wheel 2, a first convex indentation groove 21 and a first concave indentation groove 22 in the same direction as its axis are evenly distributed at intervals and staggered, and on the circumferential surface of the second partition pressing wheel 3, there are a second convex indentation groove 31 and a second concave indentation groove 32 matching the first convex indentation groove 21 and the first concave indentation groove 22.

[0054] It should be noted that the number of convex indentation grooves and concave indentation grooves is one group or two groups, etc. The number of grooves must be an even number, and the distance between the grooves on the circumferential surface is equally divided. In this embodiment, two groups of convex indentation grooves and concave indentation grooves are provided on the circumferential surfaces of both the first partition pressing wheel 2 and the second partition pressing wheel 3, that is, the angle between adjacent grooves is 90°.

[0055] To further optimize the above - mentioned technical solution, it further includes a vertical frame 4. The top surface of the vertical frame 4 has a support mechanism 41, and the support shafts 24 of the first partition pressing wheel 2 and the second partition pressing wheel 3 and the power mechanism 1 are all installed on the support mechanism 41.

[0056] See attached Figure 2 and attached Figure 5 In order to further optimize the above technical solution, the power mechanism 1 includes a drive motor 11 and a gear set 12 connected to the power output end of the drive motor 11, and the power output end of the gear set 12 is connected to the support shaft 24 of the first partition pressure wheel 2 and the second partition pressure wheel 3.

[0057] In this embodiment, stand 4 comprises a base plate 42, a top plate 43, and a column 44 connected between the two plates. To facilitate movement and height adjustment, adjustable legs, rollers, and other structures may be installed at the bottom of base plate 42. A power distribution box is located in the middle of one side of column 43.

[0058] The support mechanism 41 includes a plurality of vertical rods 411 fixed to the top surface of the top plate 43 and a mounting plate 412 connected to the vertical rods 411. The mounting plate 412 is provided with strip holes 4121. The vertical rods 411 pass through the strip holes 4121 and are fastened and locked by nuts.

[0059] The support mechanism 41 also includes an L-shaped plate 413 connected to the edge of the top plate 43. One surface of the L-shaped plate 413 can also be fixed to the top plate 43 by opening a strip-shaped hole and connecting with bolts. The outer casing of the drive motor 11 is fixed on the other surface of the L-shaped plate 413. Similarly, it can also be fixed by opening a strip-shaped hole and connecting with bolts.

[0060] Two sets of first bearing seats 414 are fixed on the mounting plate 412 for mounting the support shaft 24 .

[0061] The gear set 12 includes a driving gear connected to the power output end of the drive motor 11, and driven gears fixedly connected to the same end of the two support shafts 24. The driving gear and the two driven gears are meshed in sequence. The other ends of the two support shafts 24 are respectively connected to the first partition pressure wheel 2 and the second partition pressure wheel 3.

[0062] In order to further optimize the above technical solution, the two end edges of the second partition pressure wheel 3 have radially protruding limiting protrusions 33, and the two end edges of the first partition pressure wheel 2 are limited to the inner side of the two limiting protrusions 33 to prevent the partition from running out of the extrusion range of the indentation wheel.

[0063] See attached Figure 3 , and also includes a conveying mechanism 5, which includes a partition conveying shaft 51 rotatably connected to the lower part of the stand 4, and the partition conveying shaft 51 is used to sleeve the rolled partition, and the partition 7 stretched out of the rolled partition goes around the top of the first partition pressing wheel 2 and then enters the crease pressing seam 23.

[0064] A set of second bearing seats 53 are fixed on the vertical column 44, the partition conveyor shaft 51 is installed on the second bearing seats 53, two retaining plates 54 are sleeved on the partition conveyor shaft 51. To improve the use effect, the retaining plates 54 can be provided with conical heads on the inner side for abutting. When the rolled partition is sleeved on the partition conveyor shaft 51, it can be clamped by the two retaining plates 54 and locked by nuts.

[0065] To further optimize the above technical solution, the conveying mechanism 5 further includes a speed reduction assembly 52 installed on the vertical frame 4 and connected to the partition conveyor shaft 51.

[0066] The speed reduction assembly 52 includes a bracket 521 fixed on the vertical column 44. A lead screw 522 is threadedly connected to the bracket 521. A speed reduction sleeve 523 is sleeved on the partition conveyor shaft 51. The speed reduction sleeve 523 has a threaded tube 524. The top end of the lead screw 522 has a screwing rod 525, and the bottom end is connected to the threaded tube 524. Deceleration is achieved by increasing the friction force between the speed reduction sleeve 523 and the partition conveyor shaft 51.

[0067] See Appendix Figure 1 and Appendix Figure 2 as well as Appendix Figure 8 to Appendix Figure 11 , and further includes a wrapper frame mechanism 6 provided on the side of the second partition pressing wheel 3 away from the first partition pressing wheel 2. The wrapper frame mechanism 6 includes an operating table 61 and a slideway 62. The front of the operating table 61 faces away from the first partition pressing wheel 2. The upper part of the back plate 611 of the operating table 61 has a feed inlet 6111. The slideway 62 is provided on the back side of the operating table 61. The bottom end of the slideway 62 is fixed on a support plate 63 at the lower part of the back plate 611 of the operating table 61. The slideway 62 includes an inclined straight slideway 621 and an arc slideway 622 extending upward in sequence. A support rod 64 is connected between the arc slideway 622 and the support plate 63. The partition 7 of the rolled partition is wound around the arc slideway 622 after being processed by the above-mentioned crease pressing seam 23 and enters the feed inlet 6111 along the inclined straight slideway 621.

[0068] In this embodiment, the two sides of the slideway 62 have guiding protrusions.

[0069] To further optimize the above technical solution, the operating table 61 is a three-sided closed table body, and the table top 612 of the operating table 61 is a hollow structure. The bottom of the operating table 61 has a conical dust collection box 65 connected to the hollow structure. The bottom end of the conical dust collection box 65 has a pull-out dust collection drawer 66; a dust removal suction assembly 67 is installed on the back plate 611 of the operating table 61. The function of the pull-out dust collection drawer 66 is that it can be pulled out in time to pour out the lead dust collected by the conical dust collection box 65.

[0070] In this embodiment, the hollow structure can be composed of multiple rollers. The dust removal suction assembly 67 uses a negative pressure fan for suction and collects and filters through a pipeline.

[0071] To further optimize the above technical solution, a sensor 68 is installed on the bottom surface of the support plate 63, and the sensor 68 corresponds to the partition 7 of the conveyor. The distribution box is signal-connected to the sensor 68 and the drive motor 11.

[0072] The sensor 68 is arranged at the bottom of the support plate 63 and is used to sense the position of the partition with indentations generated, and is communicatively connected to the control component of the drive motor 11. In this embodiment, the drive motor 11 adopts a horizontal reduction motor, and the start and stop of the drive motor 11 are controlled to ensure continuous supply of partitions; the sensor 68 and the drive motor 11 are communicatively connected by means of electrical signals, wireless network signals, etc. When the sensor 68 fails to detect the partition with indentations generated, a signal is transmitted to the drive motor 11, and the drive motor 11 starts. By rotating the driving gear 121, the driven gear 12 is driven to make indentations 71 on the partition 7; when the sensor 68 senses the partition 7, by setting a stop delay, the operation of the drive motor 11 is automatically stopped, and so on in a cycle. In addition, the sensor 68 can be an image vision sensor capable of detecting the partition 7, or a non-contact sensor such as a distance detection sensor, an inductive switch, an infrared sensor, etc., as long as it can detect that the partition 7 reaches the preset position.

[0073] See the appendix Figure 12 and the appendix Figure 13 For the wrapping method of the battery plate group wrapping device in this embodiment: the partition 7 with indentations 71 formed by the first partition pressing wheel 2 and the second partition pressing wheel 3 is folded in the direction of the indentations 71 to form a continuous Z-shaped folding structure 72, and the electrode plates 8 are simultaneously placed on the same side of the Z-shaped folding structure 72 during folding, thereby completing the wrapping operation.

[0074] Specifically: the central paper shaft of the rolled partition is passed through the partition conveying shaft 51, one end of the partition paper shaft is inserted into the tapered surface of the retaining piece 54, and then the retaining piece 54 is passed through the partition conveying shaft 51 into the other end of the partition paper shaft, and a nut is used for fixing at the threaded end of the partition conveying shaft 51 to prevent the rolled partition from shifting during rotation and causing the partition 7 to break.

[0075] One end of the partition 7 is bypassed from above the first partition pressing wheel 2 and passed through the crease pressing seam 23. The power drive motor 11 is started, and the drive motor 11 drives the gear set 12 to make the first partition pressing wheel 2 and the second partition pressing wheel 3 rotate counterclockwise and clockwise respectively. The first convex indentation groove 21 of the first partition pressing wheel 2 and the second concave indentation groove 32 of the second partition pressing wheel 3 cooperate to squeeze the partition 7 to form a concave indentation; the first concave indentation groove 22 of the first partition pressing wheel 2 and the second convex indentation groove 31 of the second partition pressing wheel 3 cooperate to squeeze the partition 7 to form a convex indentation;

[0076] With the unenclosed side of the battery plate rack mechanism 6 centered on the slideway 62, the positive and negative plates are respectively placed on both sides of the operating table 61. The separator 7 with indentations is dragged from the slideway 62 into the feed inlet 6111 and continuously wraps the positive and negative plates in the form of Figure 13 during folding. Figure 13

[0077] In this specification, the various embodiments are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the same or similar parts among the embodiments, reference can be made to each other. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple. For the relevant parts, reference can be made to the description in the method section.

[0078] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A battery plate group wrapping device, characterized in that, Comprising: A first partition pressing wheel (2) and a second partition pressing wheel (3) driven to rotate by a power mechanism (1); The axes of the first partition pressing wheel (2) and the second partition pressing wheel (3) are arranged in parallel, and the circumferential surfaces of the first partition pressing wheel (2) and the second partition pressing wheel (3) are close to each other to form a crease pressing seam (23); the power mechanism (1) drives the first partition pressing wheel (2) and the second partition pressing wheel (3) to rotate in opposite directions at the same speed; on the circumferential surface of the first partition pressing wheel (2), first convex indentation grooves (21) and first concave indentation grooves (22) in the same direction as its axis are evenly distributed at intervals and in a staggered manner, and on the circumferential surface of the second partition pressing wheel (3), there are second convex indentation grooves (31) and second concave indentation grooves (32) matching the first convex indentation grooves (21) and the first concave indentation grooves (22).

2. The battery plate group wrapping device according to claim 1, characterized in that, The power mechanism (1) includes a driving motor (11) and a gear set (12) connected to the power output end of the driving motor (11), and the power output end of the gear set (12) is connected to the support shaft (24) of the first partition pressing wheel (2) and the second partition pressing wheel (3).

3. A battery plate group wrapping device according to claim 1, characterized in that, At both ends of the second partition pressing wheel (3), there are radially protruding limiting rings (33), and both ends of the first partition pressing wheel (2) are limited inside the two limiting rings (33).

4. A battery plate group wrapping device according to claim 1, characterized in that, It further includes a vertical frame (4), the top surface of the vertical frame (4) has a support mechanism (41), and the support shaft (24) of the first partition pressing wheel (2) and the second partition pressing wheel (3) and the power mechanism (1) are all installed on the support mechanism (41).

5. The battery plate group wrapping device according to claim 4, characterized in that, It further includes a conveying mechanism (5), the conveying mechanism (5) includes a partition conveying shaft (51) rotatably connected to the lower part of the vertical frame (4), and a roll-shaped partition is sleeved on the partition conveying shaft (51), and the partition (7) pulled out from the roll-shaped partition enters the crease pressing seam (23) after passing above the first partition pressing wheel (2).

6. The battery plate group wrapping device according to claim 5, characterized in that The conveying mechanism (5) further includes a speed reduction component (52) installed on the vertical frame (4) and connected to the partition conveying shaft (51).

7. A battery plate group wrapping device according to any one of claims 1-6, characterized in that, It further includes a wrapper frame mechanism (6) disposed on the side of the second partition pressing wheel (3) away from the first partition pressing wheel (2). The wrapper frame mechanism (6) includes an operating table (61) and a slideway (62). The front of the operating table (61) faces away from the first partition pressing wheel (2). An upper part of the back plate (611) of the operating table (61) has a feed inlet (6111). The slideway (62) is disposed on the back side of the operating table (61). The bottom end of the slideway (62) is fixed on a support plate (63) at the lower part of the back plate (611) of the operating table (61). The slideway (62) includes an inclined straight slideway (621) and an arc slideway (622) that extend upward in sequence. A support rod (64) is connected between the arc slideway (622) and the support plate (63). After the partition (7) of the rolled partition is processed through the above-mentioned crease pressing seam (23), it winds around the arc slideway (622) and enters the feed inlet (6111) along the inclined straight slideway (621).

8. A battery plate group wrapping device according to claim 7, characterized in that, The operating table (61) is a three-sided enclosed table body, and the tabletop (612) of the operating table (61) is a hollow structure. The bottom of the operating table (61) has a conical dust collection box (65) connected to the hollow structure. The bottom end of the conical dust collection box (65) has a pull-out dust collection drawer (66); a dust removal suction assembly (67) is installed on the back plate (611) of the operating table (61).

9. A battery plate group wrapping device according to claim 7, characterized in that, A sensor (68) is installed on the bottom surface of the support plate (63), and the sensor (68) corresponds to the conveyed partition (7).

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