Automatic battery pole piece laminating machine

By introducing a laser rangefinder and a separator into the battery stacking machine, the overlap problem when the robotic arm grasps the electrode sheets was solved, achieving accurate separation and stable grasping of the electrode sheets, and improving the reliability of battery production.

CN224537096UActive Publication Date: 2026-07-21CHANGZHOU YISULFUR BATTERY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU YISULFUR BATTERY TECH CO LTD
Filing Date
2025-08-15
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing battery stacking machines are prone to electrode overlap when the robotic arm picks up the electrodes, leading to battery production failures.

Method used

An automatic battery electrode stacking machine was designed, comprising a main body, a gripping mechanism, a material frame, an ejector, a pusher, a separator, and an electric push rod. The electrode thickness is monitored in real time by a laser rangefinder to ensure that the ejector ejects the same distance each time. The pusher and separator work together to separate the electrodes and avoid overlap.

Benefits of technology

This effectively avoids electrode overlap, improves the accuracy of electrode gripping, and enhances the practicality of battery production.

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Abstract

The utility model discloses a kind of battery pole piece automatic laminating machine, comprising: main body mechanism, main body mechanism includes laminating machine main body, the grabbing mechanism of symmetrical fixed at the both sides of laminating machine main body, the material frame of symmetrical fixed at the side of laminating machine main body, the ejector of fixed at the bottom end of material frame and inserted into material frame, the side plate of fixed at the side of material frame, the pusher of installed on side plate, the round bar guide rail of symmetrical fixed at the other side of material frame, the separating piece of slidingly installed on round bar guide rail and the third electric push rod of fixed at the side of material frame and end portion and separating piece end portion fixed connection, laminating machine main body is used to carry out laminating to battery, grabbing mechanism is used to grab positive pole piece and negative pole piece on material pile to laminating machine main body, material frame is used to limit pole piece, guarantee the stability of pole piece, this battery pole piece automatic laminating machine, can avoid overlapping when grabbing pole piece by grabbing mechanism.
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Description

Technical Field

[0001] This utility model relates to the field of battery production equipment technology, specifically to an automatic battery electrode stacking machine. Background Technology

[0002] The stacking machine is the core equipment for the production of square lithium battery and soft-pack lithium battery cells. It mainly consists of a material pile, a robotic arm, and a stacking table. The robotic arm picks up the electrode sheets from the material pile and alternately places them on the stacking table to form a positive, alternate, and negative arrangement.

[0003] The existing battery stacking machines have the following drawbacks during use: When the robotic arm picks up the electrode sheets from the stockpile, there is a phenomenon of overlapping electrode sheets during loading, which may lead to the scrapping of batteries in subsequent production. Therefore, there is room for improvement. Utility Model Content

[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by this utility model is as follows: an automatic battery electrode stacking machine, comprising: a main body, the main body including a stacking machine body, gripping mechanisms symmetrically fixed on both sides of the stacking machine body, a material frame symmetrically fixed on one side of the stacking machine body, an ejector fixed to the bottom of the material frame and extending into the material frame, a side plate fixed on one side of the material frame, an ejector mounted on the side plate, a round rod guide rail symmetrically fixed on the other side of the material frame, a separator slidably mounted on the round rod guide rail, and a third electric push rod fixed on one side of the material frame and whose end is fixedly connected to the end of the separator.

[0006] The separating component includes a crossbar slidably mounted on a round rod guide rail and a partition plate symmetrically fixed to one side of the crossbar, the ends of which are inclined.

[0007] In a preferred embodiment, the present invention can be further configured such that the ejector includes a first electric push rod fixed to the bottom of the material frame and extending into the material frame, a top plate fixed to the top of the first electric push rod, and a laser rangefinder sensor installed at the bottom of the material frame.

[0008] In a preferred embodiment, the present invention can be further configured such that the ejector includes a second electric push rod fixed to the top of the side plate, a push plate fixed to the end of the second electric push rod, and support rods symmetrically fixed to both sides of the push plate.

[0009] In a preferred embodiment, the present invention can be further configured such that: a sleeve is symmetrically fixed to the top of the side plate, and the support rod slides through the sleeve.

[0010] In a preferred embodiment, the present invention can be further configured such that: the crossbar has symmetrically opened circular holes, and the circular rod guide rail passes through the circular holes.

[0011] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:

[0012] 1. In this utility model, a side plate is fixed on one side of the material frame, and an ejector is installed on the side plate to push the electrode sheet at the top of the material pile to one side. At the same time, a round rod guide rail is symmetrically fixed on the other side of the material frame, and a separator is slidably installed on the round rod guide rail. A third electric push rod is fixed on one side of the material frame and fixedly connected to the end of the separator. After the ejector pushes the electrode sheet at the top of the material pile to one side, the third electric push rod retracts, driving the separator to separate the electrode sheet at the top of the material pile from the material pile. This facilitates the subsequent gripping mechanism to grip a single electrode sheet and avoids the phenomenon of electrode sheet overlap when the gripping mechanism grips the electrode sheet, thus increasing the practical performance.

[0013] 2. In this utility model, an ejector is installed inside the material frame to eject the material pile upwards, and a laser rangefinder is fixed at the bottom of the material frame. By setting the laser rangefinder, the moving distance of the ejector can be detected in real time, ensuring that the ejector ejects upwards at the same distance as the electrode thickness each time. This facilitates the separation of the ejector and the separator from the electrode at the top of the material pile, further increasing the practical performance. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a partial structural schematic diagram of the present invention;

[0016] Figure 3 This is a partial structural cross-sectional view of the present invention;

[0017] Figure 4 This is a partial exploded view of the structure of this utility model.

[0018] Figure label:

[0019] 100. Main body; 110. Stacking machine body; 120. Gripping mechanism; 130. Material frame; 140. Ejector; 141. First electric push rod; 142. Top plate; 143. Laser rangefinder sensor; 150. Side plate; 151. Sleeve; 160. Push-out part; 161. Push plate; 162. Support rod; 163. Second electric push rod; 170. Round rod guide rail; 180. Separator; 181. Crossbar; 1811. Round hole; 182. Partition plate; 190. Third electric push rod. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0021] Some embodiments of this utility model are described below with reference to the accompanying drawings.

[0022] Example 1:

[0023] Combination Figure 1-4 As shown, this embodiment provides an automatic battery electrode stacking machine, including: a main body mechanism 100.

[0024] The main body 100 includes a stacking machine body 110, gripping mechanisms 120 symmetrically fixed on both sides of the stacking machine body 110, a material frame 130 symmetrically fixed on one side of the stacking machine body 110, an ejector 140 fixed to the bottom of the material frame 130 and extending into the material frame 130, a side plate 150 fixed on one side of the material frame 130, an ejector 160 mounted on the side plate 150, a round rod guide rail 170 symmetrically fixed on the other side of the material frame 130, a separator 180 slidably mounted on the round rod guide rail 170, and a third electric push rod 190 fixed on one side of the material frame 130 and whose end is fixedly connected to the end of the separator 180.

[0025] The stacking machine body 110 is used to stack batteries, and the gripping mechanism 120 is used to grip the positive and negative electrode sheets on the stack and place them onto the stacking machine body 110.

[0026] The material frame 130 is used to limit the electrode sheet and ensure its stability. The ejector 140 is used to eject the electrode sheet pile upward from the material frame 130 for easy gripping by the gripping mechanism 120. It includes a first electric push rod 141 fixed to the bottom of the material frame 130 and extending into the material frame 130, a top plate 142 fixed to the top of the first electric push rod 141, and a laser range sensor 143 installed at the bottom of the material frame 130. When the first electric push rod 141 is activated, it drives the top plate 142 to move upward. The upward movement of the top plate 142 drives the material pile to move upward, ejecting the material pile out of the material frame 130. The laser range sensor 143 is used to monitor the moving distance of the top plate 142 in real time to ensure that the upward movement distance of the top plate 142 is equal to the thickness of the electrode sheet each time.

[0027] The side plate 150 is used to install the pusher 160, which is used to push the top electrode of the material pile to one side to facilitate separation by the separator 180. The pusher 160 includes a second electric push rod 163 fixed to the top of the side plate 150, a push plate 161 fixed to the end of the second electric push rod 163, and support rods 162 symmetrically fixed on both sides of the push plate 161. When the second electric push rod 163 is activated, it drives the push plate 161 to move. The movement of the push plate 161 drives the top electrode of the material pile to one side to separate it from the electrode below. A sleeve 151 is symmetrically fixed to the top of the side plate 150. The support rods 162 slide through the sleeve 151 to ensure the stability of the push plate 161 during movement.

[0028] The round rod guide rail 170 is used to install the separator 180 and limit the movement of the separator 180. The separator 180 includes a crossbar 181 slidably mounted on the round rod guide rail 170 and a partition plate 182 symmetrically fixed on one side of the crossbar 181. Circular holes 1811 are symmetrically opened on the crossbar 181. The round rod guide rail 170 passes through the circular holes 1811 to ensure the stability of the movement of the crossbar 181. The end of the partition plate 182 is set with an inclined surface. The end of the third electric push rod 190 is fixedly connected to the end of the crossbar 181. When the third electric push rod 190 is started, it drives the crossbar 181 to move. The movement of the crossbar 181 drives the partition plate 182 to move, so that the partition plate 182 is inserted into the bottom end of the uppermost electrode of the material pile and separates it from the material pile, so that the gripping mechanism 120 can grip it.

[0029] The working principle and usage process of this utility model are as follows: In use, the material pile is placed on the top plate 142. The first electric push rod 141 is activated, which drives the top plate 142 to move upward. The upward movement of the top plate 142 drives the material pile to move upward. At the same time, the laser range sensor 143 monitors the upward movement distance of the top plate 142 in real time. When the upward movement distance of the top plate 142 is consistent with the thickness of the electrode sheet, the first electric push rod 141 is turned off. At this time, the second electric push rod 163 is activated, which drives the push plate 161 to start, pushing the electrode sheet at the top of the material pile to one side. Then, the third electric push rod 190 retracts, which drives the separator 180 to move towards the push plate 161. During the movement of the separator 180, the electrode sheet at the top of the material pile moves along the inclined surface at the end of the partition 182 to the top of the partition 182, which is convenient for the subsequent gripping mechanism 120 to grip. The above process can be repeated.

[0030] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An automatic battery electrode stacking machine, comprising: The main body (100) is characterized in that it includes a stacking machine body (110), a gripping mechanism (120) symmetrically fixed on both sides of the stacking machine body (110), a material frame (130) symmetrically fixed on one side of the stacking machine body (110), an ejector (140) fixed at the bottom of the material frame (130) and extending into the material frame (130), a side plate (150) fixed on one side of the material frame (130), an ejector (160) mounted on the side plate (150), a round rod guide rail (170) symmetrically fixed on the other side of the material frame (130), a separator (180) slidably mounted on the round rod guide rail (170), and a third electric push rod (190) fixed on one side of the material frame (130) and whose end is fixedly connected to the end of the separator (180). The separating component (180) includes a crossbar (181) slidably mounted on a round bar guide rail (170) and a partition (182) symmetrically fixed on one side of the crossbar (181), the end of the partition (182) being inclined.

2. The automatic battery electrode stacking machine according to claim 1, characterized in that, The ejector (140) includes a first electric push rod (141) fixed to the bottom of the material frame (130) and extending into the material frame (130), a top plate (142) fixed to the top of the first electric push rod (141), and a laser range sensor (143) installed at the bottom of the material frame (130).

3. The automatic battery electrode stacking machine according to claim 1, characterized in that, The push-out component (160) includes a second electric push rod (163) fixed to the top of the side plate (150), a push plate (161) fixed to the end of the second electric push rod (163), and support rods (162) symmetrically fixed to both sides of the push plate (161).

4. The automatic battery electrode stacking machine according to claim 3, characterized in that, A sleeve (151) is symmetrically fixed to the top of the side plate (150), and the support rod (162) slides through the sleeve (151).

5. The automatic battery electrode stacking machine according to claim 1, characterized in that, The crossbar (181) has symmetrically opened circular holes (1811), and the circular bar guide rail (170) passes through the circular holes (1811).