Aligning and laminating device for positive and negative plates

Abstract

According to the positive and negative plate aligning and laminating device provided by the utility model, the first feeding mechanism and the second feeding mechanism are respectively arranged at the two opposite ends of the material receiving mechanism, the positive plate and the negative plate are respectively pushed to the material receiving mechanism in opposite directions by the first feeding mechanism and the second feeding mechanism for lamination, and the long-end limiting mechanism is arranged at the pushing end point of the positive plate and the negative plate; the pushing end points of the positive and negative plates can be stopped and limited, so that the long ends of the positive and negative plates are mutually aligned, and the positive and negative plates are accommodated, supported and wide ends are limited in cooperation with the material receiving mechanism, so that the wide ends of the positive and negative plates are mutually aligned, and the lamination accuracy is guaranteed; the technical problems that in the prior art, the front and rear ends and the left and right ends of positive and negative plates are difficult to align accurately, the wrapping and laminating precision is poor, and the product quality is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a positive and negative plate alignment lamination device. Background Art

[0002] In the existing processing, in order to increase the capacity of the battery and make the structure compact, its electrodes can be composed of multiple plates connected in parallel. The assembly of plates with the same polarity is called a plate group, also known as a plate group. The manufacture of the plate group is to alternately isolate the small positive and negative plates with separator paper and cut them. The sheet wrapping machine uses a machine to automatically feed the required length of separator paper, push the positive plate to the middle of the separator paper, fold it in half to cover its upper and lower surfaces, and then stack the negative plate on the separator paper.

[0003] Chinese patent CN202122839982.1 discloses an automatic battery plate wrapping machine, comprising at least two vertically erected upright plates, a paper feeding assembly is arranged between the two upright plates, a paper cutting assembly is arranged below the paper feeding assembly, a plate wrapping assembly is arranged below the paper cutting assembly, a plate conveying assembly is arranged on the front side of the plate wrapping assembly, a stacking assembly is arranged on the rear side of the plate wrapping assembly, the plate wrapping assembly comprises an active plate wrapping rubber roller and a passive plate wrapping rubber roller, a plate wrapping channel is formed between the active plate wrapping rubber roller and the passive plate wrapping rubber roller, the paper cutting assembly is used to cut the separator paper into sections, the paper feeding assembly is used to convey the separator paper, the plate is conveyed into the wrapping channel through the plate conveying assembly, the separator paper is covered on the plate through the friction force generated when the active plate wrapping rubber roller and the passive plate wrapping rubber roller rotate, and is pushed to the stacking assembly, thereby realizing the automatic wrapping operation.

[0004] However, in the existing technical solutions, the process of stacking the positive and negative plates lacks an alignment guide between the positive and negative plates, which makes it difficult to accurately align the front and rear ends and the left and right ends of the positive and negative plates, and the stacking accuracy is poor, affecting product quality. Utility Model Content

[0005] The purpose of the utility model is to provide a positive and negative plate alignment and stacking device in view of the deficiencies in the prior art, by providing a first feeding mechanism and a second feeding mechanism at the two opposite ends of a material receiving mechanism, the two feeding mechanisms respectively push the positive plate and the negative plate toward each other onto the material receiving mechanism for stacking, and a long end limiting mechanism is provided at the pushing end point of the positive and negative plates, which can stop and limit the pushing end point of the positive and negative plates, so that the long ends of the positive and negative plates are aligned with each other, and the material receiving mechanism is cooperated to accommodate, support and limit the wide ends of the positive and negative plates, so that the wide ends of the positive and negative plates are aligned with each other, the stacking accuracy is guaranteed, and the technical problems existing in the prior art such as the difficulty in accurately aligning the front and rear ends and the left and right ends of the positive and negative plates, the poor stacking accuracy of the sheets, and the impact on product quality are solved.

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

[0007] A positive and negative plate alignment and lamination device comprises: a material receiving mechanism; a first feeding mechanism and a second feeding mechanism, wherein the first feeding mechanism and the second feeding mechanism are respectively matched and docked with the material receiving mechanism, and the two cooperate to push the positive plate and the negative plate toward each other onto the material receiving mechanism for lamination to obtain a plate group; and a long end limiting mechanism, wherein the long end limiting mechanism is matched and arranged at the pushing end point of the positive plate and the negative plate, and the long ends of the positive plate and the negative plate are aligned with each other by stopping and limiting.

[0008] Preferably, the first feeding mechanism is located at the front side of the receiving mechanism, and pushes the positive electrode plate horizontally backward to the receiving mechanism; the second feeding mechanism is located at the rear side of the receiving mechanism, and pushes the negative electrode plate horizontally forward to the receiving mechanism.

[0009] Preferably, the long-end limiting mechanism comprises: a positive plate limiting portion, which is arranged at the other end of the material receiving mechanism relative to the first feeding mechanism, and the positive plate pushed into place abuts against the positive plate limiting portion; and a negative plate limiting portion, which is arranged at the other end of the material receiving mechanism relative to the second feeding mechanism, and the negative plate pushed into place abuts against the negative plate limiting portion.

[0010] Preferably, the positive plate limiting portion includes a positive baffle matched with the positive plate pushing path; the negative plate limiting portion includes a negative baffle matched with the negative plate pushing path.

[0011] Preferably, the positive plate limiting portion is arranged on the second feeding mechanism and is located at the end where the second feeding mechanism is connected to the receiving mechanism.

[0012] Preferably, the material receiving mechanism comprises: a material receiving portion, on which a material receiving groove matching the width dimension of the electrode plate is opened along the pushing direction of the electrode plate, and the positive electrode plate and the negative electrode plate are accommodated, supported and aligned at the wide end by the material receiving groove.

[0013] Preferably, the feeding platform is matched and docked with the material receiving trough, and the inlet and outlet ends of the material receiving trough are provided with feeding chamfers.

[0014] Preferably, the material receiving mechanism is configured as an open-and-close structure to loosen and discharge the received electrode assembly.

[0015] Preferably, the material receiving portion is composed of two symmetrically arranged half clamps on the left and right, and the two half clamps are driven by the material unloading driving portion to open and close to loosen or support the electrode assembly.

[0016] Preferably, it also includes: a paper feeding mechanism, which supplies separator paper, and the separator paper is fed vertically. The positive electrode plate is automatically covered with the separator paper when being pushed to the receiving mechanism; the negative electrode plate is located above the positive electrode plate to press the separator paper when the material is dropped to obtain a wrapped electrode plate group; the paper feeding mechanism is located between the first feeding mechanism and the receiving mechanism, and the negative electrode plate limiter is located between the paper feeding mechanism and the receiving mechanism.

[0017] Preferably, the first feeding mechanism and the second feeding mechanism both comprise: a feeding table for placing the positive electrode plate / negative electrode plate; and a feeding drive unit, the feeding drive unit being adapted to the height of the bearing surface of the feeding table so as to push the positive electrode plate / negative electrode plate for feeding.

[0018] Preferably, the height of the feeding platform of the positive electrode plate is lower than the height of the feeding platform of the negative electrode plate, and the height difference between the two matches the thickness of the single electrode plate.

[0019] The beneficial effects of the utility model are:

[0020] (1) The utility model provides a first feeding mechanism and a second feeding mechanism at opposite ends of a receiving mechanism, and the two feeding mechanisms push the positive electrode plate and the negative electrode plate toward each other onto the receiving mechanism for lamination, and provides a long end limit mechanism at the pushing end of the positive and negative electrode plates, which can stop and limit the pushing end of the positive and negative electrode plates, so that the long ends of the positive and negative electrode plates are aligned with each other, and cooperates with the receiving mechanism to accommodate and support the positive and negative electrode plates and limit the wide ends, so that the wide ends of the positive and negative electrode plates are aligned with each other, thereby ensuring the accuracy of lamination;

[0021] (2) The utility model realizes stacking by synchronously pushing the positive electrode plate and the negative electrode plate toward each other by the first feeding mechanism and the second feeding mechanism, and arranges a paper feeding mechanism between the receiving mechanism and the first feeding mechanism to vertically supply wrapping paper. The positive electrode plate is automatically wrapped during the pushing and feeding process, and the negative electrode plate above is used to press the paper during the subsequent blanking process to prevent curling. The positive and negative electrode plates are pushed toward each other to realize wrapping, stacking and blanking pressing at the same time. The structure is ingenious and the wrapping and stacking efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a top view of the overall structure of the utility model;

[0023] Figure 2 This is a front view of the main structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the installation of the mid-long end limit mechanism of the utility model;

[0025] Figure 4 It is a top view of the local structure of the utility model;

[0026] Figure 5 for Figure 4 Sectional view at point A;

[0027] Figure 6 for Figure 5 Enlarged view of point B in the middle;

[0028] Figure 7 It is a structural schematic diagram of the material receiving part in 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, a positive and negative plate alignment and lamination device comprises: a receiving mechanism 1; a first feeding mechanism 2 and a second feeding mechanism 3, wherein the first feeding mechanism 2 and the second feeding mechanism 3 are respectively matched and docked with the receiving mechanism 1, and the two cooperate to push the positive plate 41 and the negative plate 42 toward each other onto the receiving mechanism 1 for lamination to obtain a plate group; and a long end limiting mechanism 5, wherein the long end limiting mechanism 5 is matched and arranged at the pushing end point of the positive plate 41 and the negative plate 42, and the long ends of the positive plate 41 and the negative plate 42 are aligned with each other by stopping and limiting.

[0033] Preferably, the first feeding mechanism 2 is located at the front side of the receiving mechanism 1, and pushes the positive electrode plate 41 horizontally backward to the receiving mechanism 1; the second feeding mechanism 3 is located at the rear side of the receiving mechanism 1, and pushes the negative electrode plate 42 horizontally forward to the receiving mechanism 1.

[0034] As a preference, Figure 3 As shown, the long-end limiting mechanism 5 includes: a positive plate limiting portion 51, which is arranged at the other end of the material receiving mechanism 1 relative to the first feeding mechanism 2, and the positive plate 41 pushed into place abuts against the positive plate limiting portion 51; and a negative plate limiting portion 52, which is arranged at the other end of the material receiving mechanism 1 relative to the second feeding mechanism 3, and the negative plate 42 pushed into place abuts against the negative plate limiting portion 52.

[0035] As a preference, Figure 3 , 6 As shown, the positive plate limiting portion 51 includes a positive baffle 511 matched with the pushing path of the positive plate 41 ; the negative plate limiting portion 52 includes a negative baffle 521 matched with the pushing path of the negative plate 42 .

[0036] In this embodiment, the positive electrode plate 41 is pushed by the first feeding mechanism 2 into the receiving portion 11 of the receiving mechanism 1 and its end extends out of the receiving groove 12. A positive baffle 511 is provided at the end position of the pushing. After the positive electrode plate 41 is pushed into place, its long end abuts against the positive baffle 511. Similarly, after the negative electrode plate 42 is pushed into place, its long end abuts against the negative baffle 521, thereby achieving effective alignment of the front and rear ends of the two.

[0037] As a preference, Figure 3 As shown, the positive plate limiting portion 51 is arranged on the second feeding mechanism 3 and is located at the end where the second feeding mechanism 3 is connected to the receiving mechanism 1 .

[0038] In this embodiment, by arranging the positive electrode plate limiting portion 51 on the second feeding mechanism 3, the mechanism structure is simplified, space is saved, and the structure is compact.

[0039] As a preference, Figure 3 As shown, the material receiving mechanism 1 includes: a material receiving portion 11, on which a material receiving groove 12 matching the width dimension of the electrode plate is opened along the pushing direction of the electrode plate, and the positive electrode plate 41 and the negative electrode plate 42 are accommodated, supported and aligned at the wide end by the material receiving groove 12.

[0040] As a preference, Figure 7As shown, the feeding platform 21 is matched and docked with the material receiving groove 12 , and a feeding chamfer 121 is provided at the feeding and discharging ends of the material receiving groove 12 .

[0041] In this embodiment, a feeding platform 21 is provided to match and dock with the receiving slot 12, and a feeding chamfer 121 is provided at the inlet and outlet ends of the receiving slot 12 to ensure that the electrode plates can be aligned and smoothly fed into the receiving slot 12 to avoid material jamming.

[0042] As a preference, Figure 1 , 5 As shown, it also includes: a paper feeding mechanism 6, which supplies separator paper 43, and the separator paper 43 is fed vertically. The positive plate 41 is automatically covered with the separator paper 43 during being pushed to the receiving mechanism 1; the negative plate 42 is located above the positive plate 41 to press the separator paper 43 when the material is dropped to obtain a wrapped plate group; the paper feeding mechanism 6 is located between the first feeding mechanism 2 and the receiving mechanism 1, and the negative plate limiter 52 is located between the paper feeding mechanism 6 and the receiving mechanism 1.

[0043] Embodiment 2

[0044] 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:

[0045] As a preference, Figure 7 As shown, the receiving mechanism 1 is configured as an open-and-close structure to loosen and discharge the received electrode assembly.

[0046] Preferably, the receiving portion 11 is composed of two symmetrically arranged half clamps 111 on the left and right, and the two half clamps 111 are driven by the unloading driving portion 13 to open and close to loosen or support the electrode assembly.

[0047] Embodiment 3

[0048] 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:

[0049] As a preference, Figure 4 As shown, the first feeding mechanism 2 and the second feeding mechanism 3 both include: a feeding table 21, the feeding table 21 is used to place the positive electrode plate 41 / negative electrode plate 42; Figure 1 As shown, and a feeding drive unit 22, the feeding drive unit 22 is adapted to the height of the bearing surface of the feeding platform 21 to push the positive electrode plate 41 / negative electrode plate 42 for feeding.

[0050] Preferably, the height of the feeding platform 21 of the positive electrode plate 41 is lower than that of the feeding platform 21 of the negative electrode plate 42, and the height difference between the two matches the thickness of a single electrode plate, thereby enabling the positive and negative electrode plates to be stacked alternately.

[0051] 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 positive and negative plate alignment lamination device, characterized in that: include: Material receiving mechanism; A first feeding mechanism and a second feeding mechanism, wherein the first feeding mechanism and the second feeding mechanism are respectively matched and docked with the receiving mechanism, and the two cooperate to push the positive electrode plate and the negative electrode plate toward each other onto the receiving mechanism for lamination to obtain an electrode plate group; and The long end limiting mechanism is matched and arranged at the pushing end points of the positive plate and the negative plate, and the long ends of the positive plate and the negative plate are aligned with each other through blocking and limiting.

2. A positive and negative plate alignment lamination device according to claim 1, characterized in that: The long end limiting mechanism comprises: A positive plate limiting portion, the positive plate limiting portion is arranged at the other end of the material receiving mechanism relative to the first material feeding mechanism, and the positive plate pushed into place abuts against the positive plate limiting portion; and A negative plate limiting portion is provided at the other end of the material receiving mechanism relative to the second material feeding mechanism, and the negative plate pushed into position abuts against the negative plate limiting portion.

3. A positive and negative plate alignment lamination device according to claim 2, characterized in that: The positive plate limiting portion includes a positive baffle matched with the positive plate pushing path; the negative plate limiting portion includes a negative baffle matched with the negative plate pushing path.

4. The positive and negative plate alignment lamination device according to claim 2, characterized in that: The positive plate limiting portion is arranged on the second feeding mechanism and is located at the end where the second feeding mechanism is connected to the receiving mechanism.

5. A positive and negative plate alignment lamination device according to any one of claims 1 to 4, characterized in that: The material receiving mechanism comprises: The material receiving portion is provided with a material receiving groove matched with the width dimension of the electrode plate along the pushing direction of the electrode plate, and the positive electrode plate and the negative electrode plate are accommodated, supported and aligned at the wide end by the material receiving groove.

6. The positive and negative plate alignment lamination device according to claim 5, characterized in that: The feeding and discharging ends of the material receiving channel are provided with feeding chamfers.

7. A positive and negative plate alignment lamination device according to any one of claims 1 to 4, characterized in that: The material receiving mechanism is configured as an open-and-close structure to loosen and discharge the received electrode assembly.

8. A positive and negative plate alignment lamination device according to any one of claims 2 to 4, characterized in that: Also includes: A paper feeding mechanism, wherein the paper feeding mechanism supplies separator paper, and the positive electrode plate is automatically covered with the separator paper during being pushed to the receiving mechanism; The negative electrode plate is placed on the positive electrode plate to obtain a wrapped electrode plate group; The paper feeding mechanism is located between the first feeding mechanism and the receiving mechanism, and the negative plate limiting portion is located between the paper feeding mechanism and the receiving mechanism.

9. A positive and negative plate alignment lamination device according to any one of claims 1 to 4, characterized in that: The first feeding mechanism and the second feeding mechanism both include: A feeding table, the feeding table is used to place the positive plate / negative plate; and A feeding drive unit, wherein the feeding drive unit is adapted to the height of the feeding platform so as to push the positive plate / negative plate for feeding.

10. The positive and negative plate alignment lamination device according to claim 9, characterized in that: The height of the feeding platform of the positive electrode plate is lower than that of the feeding platform of the negative electrode plate, and the height difference between the two matches the thickness of the single electrode plate.

Images