Polar plate wrapping device

Abstract

The utility model provides a polar plate wrapping device which is characterized in that a paper feeding mechanism is arranged to continuously convey partition paper from top to bottom, a wrapping mechanism composed of two wrapping roller sets is arranged below the paper feeding mechanism, the partition paper is hung between the two wrapping roller sets, and a plate feeding mechanism is arranged in a matched mode to push polar plate feeding towards the wrapping mechanism so as to carry out polar plate wrapping operation. In the pole plate pushing and wrapping process, the two wrapping roller sets are used for conducting front-back double guiding and limiting, so that the front end and the rear end of the pole plate are evenly stressed in the pole plate pushing process, the situation that the pole plate bounces, tilts and is clamped due to unstable pole plate pushing is prevented, and the technical problems existing in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of film wrapping machines, in particular to a polar plate film wrapping device. Background Art

[0002] The battery packing machine is an automated machine that is specially used to pack the battery pole groups. It is mainly used in the battery industry to automatically pack the corresponding pole groups for batteries of different specifications. The packing machine uses the machine to automatically feed the required length of isolation paper and then push the positive or negative plate to the middle of the isolation paper, fold it in half and cover its upper and lower surfaces, and then stack the negative plate or positive plate on the isolation paper.

[0003] Chinese patent CN218299861U discloses a fully automatic stacked battery packaging machine, including a frame; a paper placing mechanism; a positive plate conveying mechanism; a positive plate loading mechanism, which is arranged next to the positive plate conveying mechanism; a paper cutting and feeding mechanism, which is arranged behind the positive plate conveying mechanism; a plate group stacking mechanism, which is arranged behind the paper cutting and feeding mechanism; a negative plate uninterrupted loading mechanism, which is arranged next to the plate group stacking mechanism; a plurality of positive suction mechanisms, at least one of which is arranged between the positive plate conveying mechanism and the positive plate loading mechanism; at least one positive suction mechanism is arranged between the plate group stacking mechanism and the negative plate uninterrupted loading mechanism; a finished product output mechanism, which is arranged behind the plate group stacking mechanism and is used to calibrate and transport the assembled plate group to a designated position.

[0004] However, in the prior art solutions, there is a lack of horizontal limit when pushing the electrode plates, resulting in an unstable feeding state of the electrode plates, which is prone to bouncing and warping, affecting normal wrapping, and easily causing paper jams. After the paper jams, it is inconvenient to remove them, affecting the progress of continuous wrapping operations, and the separator paper has a poor wrapping effect, making it difficult to quickly and flexibly attach to the upper and lower surfaces of the electrode plates. Utility Model Content

[0005] The purpose of the utility model is to provide a plate wrapping device in view of the deficiencies in the prior art, wherein a paper feeding mechanism is provided to continuously convey separator paper from top to bottom, a wrapping mechanism composed of two groups of wrapping rollers is provided below, and the separator paper is hung therebetween, and a plate feeding mechanism is provided in cooperation to push the plate feed toward the wrapping mechanism to carry out the plate wrapping operation, and during the plate pushing and wrapping process, the two groups of wrapping rollers perform front and rear double guiding and limiting, so that the front and rear ends of the plate are subjected to balanced force during the plate pushing process, and unstable plate pushing is prevented from bouncing, warping, and causing paper jams, thereby solving the technical problems existing in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The plate wrapping device comprises: a paper feeding mechanism, which continuously conveys and supplies separator paper; a wrapping mechanism, which is arranged below the paper feeding mechanism, and the separator paper is vertically hung and fed and passes through the wrapping mechanism; and a plate feeding mechanism, which is arranged at the front side of the wrapping mechanism and pushes the plate feed toward the wrapping mechanism for plate wrapping.

[0008] Preferably, the wrapping mechanism comprises: a wrapping roller group, wherein two groups of the wrapping roller groups are arranged front and back along the pushing direction of the electrode plate, and the separator paper is vertically hung between the two groups of the wrapping roller groups. With the assistance of the wrapping roller group, the separator paper is wrapped around the outside of the electrode plate that is pushed and fed.

[0009] Preferably, each group of the sheet wrapping rollers comprises an upper roller and a lower roller, and the electrode plates to be fed pass through a sheet wrapping channel between the upper roller and the lower roller.

[0010] Preferably, each group of the sheet wrapping rollers includes at least two groups of upper rollers and lower rollers evenly distributed in the left-right direction.

[0011] Preferably, the height dimension of the sheet wrapping channel of the sheet wrapping roller group on the rear side is greater than the height dimension of the sheet wrapping channel of the sheet wrapping roller group on the front side.

[0012] Preferably, it further comprises: a material receiving mechanism, which is arranged at the rear side of the sheet wrapping mechanism relative to the plate feeding mechanism and receives the sheet wrapping electrode unit.

[0013] Preferably, the material receiving mechanism comprises: a material receiving part, which is arranged as an opening and closing structure and receives the wrapped plate unit; and a material unloading drive part, which is dynamically connected to the material receiving part and drives the material receiving part to open and unload the material.

[0014] Preferably, the paper feeding mechanism comprises: a paper feeding assembly, which conveys continuous partition paper downward; and a paper cutting assembly, which cuts the partition paper in accordance with a pushing and feeding progress of the wrapping progress.

[0015] Preferably, the plate feeding mechanism comprises: a plate feeding rail, which carries the electrode plates to be wrapped, and whose bearing surface is arranged to match the height of the wrapping channel of the wrapping mechanism; a plate feeding drive assembly, which horizontally pushes the electrode plates carried by the plate feeding rail, and the plate feeding drive assembly realizes the cyclic alternation of pushing and resetting actions through the same direction continuous rotation drive structure; and a electrode plate loading unit, which supplies the electrode plates to the plate feeding rail in accordance with the wrapping progress.

[0016] Preferably, the feeding plate driving assembly comprises: a feeding hand, wherein two groups of feeding plate support rails are symmetrically arranged at left and right intervals, and the feeding hand extends between the two groups of feeding plate support rails to push the electrode plate; a slide rod, wherein the slide rod is slidably installed on the slide seat along the electrode plate feeding direction, and the top of the slide rod is connected to the feeding hand; a feeding driving part, wherein the rotary driving end of the feeding driving part is connected to a rocker arm, and a guide groove is vertically opened on the slide rod, and the free end of the rocker arm is slidably limited in the guide groove.

[0017] The beneficial effects of the utility model are:

[0018] (1) The utility model provides a paper feeding mechanism to continuously feed separator paper from top to bottom, and a sheet wrapping mechanism composed of two groups of sheet wrapping rollers is provided below, and the separator paper is hung between them. The plate feeding mechanism is provided in cooperation with the sheet wrapping mechanism to push the plate feed toward the sheet wrapping mechanism to wrap the plate. During the plate pushing and wrapping process, the two groups of sheet wrapping rollers perform front and rear double guide limiting, so that the front and rear ends of the plate are subjected to balanced force during the plate pushing process, thereby preventing the plate from bouncing and warping due to unstable pushing, which may cause paper jam;

[0019] (2) The utility model provides two sets of wrapping rollers to assist the separator paper in wrapping the upper and lower surfaces of the electrode plate quickly and effectively, thereby preventing the wrapping paper from slipping;

[0020] (3) The utility model is provided with a feeding hand for horizontal feeding, and the spacing between the feeding plate rail, the sheet wrapping mechanism and the material receiving mechanism is adjusted by design, and the feeding plate rail has a sufficiently long guide length, so that the plate can always be pushed forward horizontally, avoiding misalignment and jamming during sheet wrapping and material receiving, and ensuring the smoothness and efficiency of docking;

[0021] (4) The utility model provides a material receiving mechanism that can be opened and closed, which facilitates the unloading and output of the packaged electrode plate unit, and facilitates the timely removal of paper jams; the electrode plate pushing and feeding distance is short, efficient and stable, and avoids damaging the separator paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 for Figure 1 A front view of

[0024] Figure 3 It is a partial structural schematic diagram of the utility model;

[0025] Figure 4 This is a front view of the sheet wrapping working state of the utility model;

[0026] Figure 5 This is a top view of the working state of the package sheet in the utility model;

[0027] Figure 6 It is a structural schematic diagram of the material receiving mechanism in the utility model;

[0028] Figure 7 It is a structural schematic diagram of the middle delivery plate driving assembly of the utility model. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0031] Embodiment 1

[0032] like Figure 1-2 As shown, the plate wrapping device includes: a paper feeding mechanism 1, which continuously conveys and supplies separator paper 21; a wrapping mechanism 3, which is arranged below the paper feeding mechanism 1, and the separator paper 21 is vertically hung and fed and passes through the wrapping mechanism 3; and a plate feeding mechanism 4, which is arranged at the front side of the wrapping mechanism 3, and pushes the plate 22 toward the wrapping mechanism 3 for wrapping the plate.

[0033] As a preference, Figure 2-5As shown, the sheet wrapping mechanism 3 includes: a sheet wrapping roller group 31, wherein two groups of the sheet wrapping roller groups 31 are arranged front and back along the pushing direction of the electrode plate 22, and the separator paper 21 is vertically hung between the two groups of the sheet wrapping roller groups 31. With the assistance of the sheet wrapping roller groups 31, the separator paper 21 is wrapped around the outside of the electrode plate 22 that is pushed and fed.

[0034] In this embodiment, a paper feeding mechanism 1 is provided to continuously convey the separator paper 21 from top to bottom, and a wrapping mechanism 3 composed of two groups of wrapping roller groups 31 is provided below, with the separator paper 21 hanging therebetween, and a plate feeding mechanism 4 is provided to push the electrode plate 22 toward the wrapping mechanism 3 to wrap the electrode plate. During the electrode plate pushing and wrapping process, the two groups of wrapping roller groups 31 perform front and rear dual guiding and limiting, so that the front and rear ends of the electrode plate are subjected to balanced force during the electrode plate pushing process, thereby preventing the electrode plate from bouncing, warping, and causing paper jams due to unstable pushing.

[0035] In addition, it is worth mentioning that by setting up two groups of wrapping rollers, the separator paper is assisted to be quickly and effectively wrapped on the upper and lower surfaces of the electrode plate to prevent the wrapping from slipping.

[0036] Preferably, each group of the sheet wrapping roller group 31 includes an upper roller 311 and a lower roller 312 , and the electrode plate 22 to be fed passes through a sheet wrapping channel between the upper roller 311 and the lower roller 312 .

[0037] Preferably, each set of the sheet wrapping roller set 31 includes at least two sets of upper rollers 311 and lower rollers 312 evenly distributed along the left-right direction.

[0038] Preferably, the height dimension of the wrapping channel of the wrapping roller group 31 on the rear side is greater than the height dimension of the wrapping channel of the wrapping roller group 31 on the front side, so as to adapt to the thickness of the electrode before wrapping and the thickness of the wrapped electrode plate unit 23 after wrapping.

[0039] As a preference, Figure 2 As shown, the paper feeding mechanism 1 includes: a paper feeding component 11, which conveys continuous separator paper 21 downward; and a paper cutting component 12, which cuts the separator paper 21 in accordance with the pushing and feeding progress of the positive plate 22 during the packaging progress.

[0040] Embodiment 2

[0041] The components of this embodiment that are the same as or corresponding to those in the above embodiment are marked with the same reference numerals as those in the above embodiment. For the sake of simplicity, only the differences from the above embodiment are described below. The differences between this embodiment and the above embodiment are:

[0042] As a preference, Figure 1-3As shown, it also includes: a material receiving mechanism 5, which is arranged at the rear side of the sheet wrapping mechanism 3 relative to the plate feeding mechanism 4, and receives the sheet wrapping plate unit 23.

[0043] In this embodiment, a plate feeding mechanism 4 is provided for horizontal material feeding, and the spacing among the plate feeding rail 41, the sheet wrapping mechanism 3 and the material receiving mechanism 5 is adjusted by design, and the plate feeding rail 41 has a sufficiently long guide length, so that the electrode plate 22 can always be pushed forward horizontally, avoiding misalignment and jamming during sheet wrapping and material receiving, thereby ensuring the smoothness and efficiency of docking.

[0044] As a preference, Figure 4 , 6 As shown, the material receiving mechanism 5 includes: a material receiving portion 51, which is configured as an opening and closing structure, and receives the wrapped plate unit 23; and a material unloading drive portion 52, which is dynamically connected to the material receiving portion 51, and drives the material receiving portion 51 to open and unload the material.

[0045] In this embodiment, by setting the receiving portion 51 as an openable structure, it is convenient to loosen and unload the wrapped electrode plate unit 23, and it is convenient to remove the paper jam in time.

[0046] Embodiment 3

[0047] The components of this embodiment that are the same as or corresponding to those in the above embodiment are marked with the same reference numerals as those in the above embodiment. For the sake of simplicity, only the differences from the above embodiment are described below. The differences between this embodiment and the above embodiment are:

[0048] As a preference, Figure 2-3 As shown, the plate feeding mechanism 4 includes: a plate feeding rail 41, the plate feeding rail 41 carries the electrode plate 22 to be wrapped, and its bearing surface is arranged to match the height of the wrapping channel of the wrapping mechanism 3; a plate feeding drive component 42, the plate feeding drive component 42 horizontally pushes the electrode plate 22 carried by the plate feeding rail 41 to feed, and the plate feeding drive component 42 realizes the cyclic alternation of pushing and resetting actions through the same direction continuous rotation drive structure; and a electrode plate feeding unit 43, the electrode plate feeding unit 43 supplies the electrode plate 22 to the plate feeding rail 41 in accordance with the wrapping progress.

[0049] In this embodiment, the plate pushing feeding distance is short, efficient and stable, and damage to the separator paper is avoided.

[0050] As a preference, Figure 7As shown, the feeding plate driving assembly 42 includes: a feeding hand 421, two groups of feeding plate rails 41 are symmetrically arranged at left and right intervals, and the feeding hand 421 extends between the two groups of feeding plate rails 41 to push the electrode plate 22; a slide bar 422, the slide bar 422 is slidably installed on the slide seat 423 along the feeding direction of the electrode plate, and the top of the slide bar 422 is connected to the feeding hand 421; a feeding driving part 424, the rotary driving end of the feeding driving part 424 is connected to a rocker rod 425, and a guide groove 426 is vertically opened on the slide bar 422, and the free end of the rocker rod 425 is slidably limited in the guide groove 426.

[0051] In this embodiment, the feeding hand 421 is arranged to match the bearing surface height of the feeding plate support rail 41. When the feeding plate is working, the feeding drive part 424 rotates to drive the rocker rod 425 to rotate and then drives the slide bar 422 to slide horizontally along the slide seat 423, thereby driving the feeding hand 421 to move horizontally for feeding and returning.

[0052] It is particularly worth noting that, in this embodiment, the feeding drive part 424 of the feeding plate driving assembly 42 maintains continuous forward rotation and can complete the alternating cycle of the translational forward pushing and retreating and restoring of the feeding hand 421, thereby cooperating with the loading progress of the plate loading unit 43 to realize continuous feeding of the positive plate, with high efficiency and convenient control.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plate wrapping device, characterized in that: include: A paper feeding mechanism, wherein the paper feeding mechanism feeds and supplies separator paper; A sheet wrapping mechanism, the sheet wrapping mechanism is arranged below the paper feeding mechanism, and the separator paper is vertically hung and fed and passes through the sheet wrapping mechanism; as well as The plate feeding mechanism is arranged at the front side of the sheet wrapping mechanism, and pushes the electrode plate feed toward the sheet wrapping mechanism to wrap the electrode plates.

2. The electrode plate wrapping device according to claim 1, characterized in that: The sheet packaging mechanism comprises: The sheet wrapping roller group includes two groups of sheet wrapping roller groups distributed front and back along the pushing direction of the electrode plate, the separator paper is vertically hung between the two groups of sheet wrapping roller groups, and the separator paper is wrapped around the outside of the electrode plate being pushed and fed with the assistance of the sheet wrapping roller group.

3. The electrode plate wrapping device according to claim 2, characterized in that: Each group of the sheet wrapping rollers comprises an upper roller and a lower roller, and the electrode plate to be fed passes through the sheet wrapping channel between the upper roller and the lower roller.

4. The electrode plate wrapping device according to claim 3, characterized in that: Each group of the sheet wrapping rollers has at least two groups of upper rollers and lower rollers evenly distributed along the left-right direction.

5. The electrode plate wrapping device according to claim 2, characterized in that: The height dimension of the sheet wrapping channel of the sheet wrapping roller group on the rear side is greater than the height dimension of the sheet wrapping channel of the sheet wrapping roller group on the front side.

6. The electrode plate wrapping device according to any one of claims 1 to 5, characterized in that: Also includes: The material receiving mechanism is arranged at the rear side of the sheet wrapping mechanism, and receives the sheet wrapping polar plate unit.

7. The electrode plate wrapping device according to claim 6, characterized in that: The material receiving mechanism comprises: A receiving portion, wherein the receiving portion is configured as an open-close structure and receives the wrapped plate unit; and The material unloading driving part is connected with the material receiving part by power, and drives the material receiving part to open and unload the material.

8. The electrode plate wrapping device according to any one of claims 1 to 5, characterized in that: The paper feeding mechanism comprises: A paper feeding assembly that feeds continuous separator paper downward; and A paper cutting assembly is used to cut the partition paper according to the progress of the wrapping.

9. The electrode plate wrapping device according to any one of claims 1 to 5, characterized in that: The plate delivery mechanism comprises: A plate-feeding rail, the plate-feeding rail carries the electrode plates to be wrapped, and the bearing surface thereof is arranged to match the height of the wrapping channel of the wrapping mechanism; A plate feeding drive assembly, wherein the plate feeding drive assembly horizontally pushes the plate feed material carried by the plate feeding rail, and the plate feeding drive assembly realizes the cyclic alternation of pushing and resetting actions through a continuous rotation driving structure in the same direction; and A pole plate loading unit supplies pole plates to the plate delivery rail in accordance with the progress of the plate packaging.

10. The electrode plate wrapping device according to claim 9, characterized in that: The plate feeding drive assembly comprises: A feeding hand, wherein two groups of the plate feeding rails are symmetrically arranged at left and right intervals, and the feeding hand extends between the two groups of the plate feeding rails to push the plate; A slide bar, which is slidably mounted on a slide seat along a plate feeding direction, and the top of the slide bar is connected to the feeding hand; A feeding drive unit, wherein the rotary driving end of the feeding drive unit is connected with a swing rod, a guide groove is vertically opened on the slide rod, and the free end of the swing rod is slidably limited in the guide groove.

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