Pushing unlocking mechanism of lithium battery module tray
By designing a pry-opening and unlocking mechanism for the lithium battery module tray, the problem of the sliding fixture plate failing to automatically reset was solved, enabling the module tray to be successfully removed from the production line and the sliding fixture plate to be reused, thereby improving the automation level of the equipment and the utilization efficiency of the electromagnet.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-03
AI Technical Summary
The sliding fixture plate of the lithium battery module tray cannot automatically reset, which affects the efficiency of module production and the recycling of the sliding fixture plate.
A prying and unlocking mechanism for the lithium battery module tray was designed, including two prying and unlocking components on the left and right. Each component consists of a cylinder, a cylinder pusher plate, an electromagnet, a proximity switch, a guide unit, and a protective cover plate. The cylinder pusher plate is pushed by the cylinder to reset the sliding tooling plate, and the guide unit ensures the stability of the movement and the tight fit of the electromagnet.
The automatic reset of the module tray sliding fixture plate was achieved, ensuring the smooth unloading of modules and the cyclical use of the sliding fixture plate, thus improving the flexibility of the equipment and the utilization rate of the electromagnet.
Smart Images
Figure CN223962827U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to auxiliary equipment for automotive power batteries, energy storage batteries, and square battery module conveying lines. Background Technology
[0002] In today's automotive lithium battery industry, because the voltage and capacity of a single battery cell cannot meet the needs of new energy vehicles, lithium battery manufacturers integrate individual cells into a module battery pack after production to meet the requirements of new energy vehicles. During the integration of individual cells into a module battery pack, the cells are placed on a module tray, which is then transported to various workstations via a friction roller conveyor. The cells on the module tray undergo processes such as shaping and pressure holding, integrated cover plate installation, and terminal welding to integrate them into a single module battery pack. Specifically, shaping and pressure holding involves pressing the shaped cell onto the module tray using clamping fixtures at both ends, causing it to slide towards the center of the tray. This pressure is maintained until all processes are completed. Before the module leaves the production line, the sliding fixtures on both sides of the module tray need to be reset to facilitate module removal and ensure reusability. However, since the fixtures on both sides of the module tray cannot automatically reset, external force is required to achieve this. Summary of the Invention
[0003] The problem to be solved by this utility model is to provide a prying and unlocking mechanism for lithium battery module trays, which can reset the sliding fixture plates on both sides of the module tray, thereby ensuring the smooth unloading of the module and enabling the sliding fixture plates to be reused.
[0004] This utility model relates to a pry-opening and unlocking mechanism for a lithium battery module tray. It includes two pry-opening and unlocking components, each of which includes a frame, a cylinder, a cylinder push plate, a floating joint, an electromagnet, a proximity switch, and a bracket. The cylinder is fixed on the frame, and the cylinder push plate is located at the front of the cylinder rod end. One end of the cylinder push plate is connected to the cylinder rod end through a floating joint, and the other end is connected to the electromagnet. The bracket is connected to the cylinder push plate, and the proximity switch is installed on the left end of the bracket. The proximity switch is closer to the sliding fixture plate of the module tray than the electromagnet.
[0005] Furthermore, each pry-opening and unlocking component also includes two guide units, which are symmetrically arranged relative to the cylinder. Each guide unit includes a slide rail, a guide rod, a bearing mounting seat, a linear bearing I, a guide rod mounting seat, and a slider. The slide rail is fixed to the top of the frame, and the bearing mounting seat is located at the left end of the slide rail and is fixedly connected to the frame. The guide rod mounting seat cooperates with the slide rail through the slider at the bottom. The linear bearing I cooperates with the inner hole of the bearing mounting seat and is fixedly connected to the end face of the bearing mounting seat. The left end of the guide rod passes through the linear bearing I and connects to the cylinder push plate, and the right end connects to the inner hole of the guide rod mounting seat.
[0006] Furthermore, each guide unit also includes a limiting block, which is located at the right end of the slide rail and is fixedly connected to the frame.
[0007] Furthermore, each guide unit also includes a connecting block, a connecting shaft, a linear bearing II, a compression spring, and a stop block; the linear bearing II is fitted with the inner hole of the cylinder push plate and is fixedly connected to the end face of the cylinder push plate; the connecting block is pressed tightly on the large end face of the linear bearing I, and its left and right sides are respectively connected to the connecting shaft and the guide rod; the left end of the connecting shaft extends out from the linear bearing II and is connected to the stop block; the compression spring is sleeved on the outer circle of the connecting shaft, and its left and right ends are in contact with the large end faces of the cylinder push plate and the connecting shaft, respectively.
[0008] Furthermore, each guide unit also includes an elastic pad, which is fitted onto the connecting shaft and located between the stop and the linear bearing II.
[0009] Furthermore, the elastic pad is made of polyurethane.
[0010] Furthermore, the connecting shaft is a stepped shaft, with a through hole on its large circular end face to connect with the connecting plate, and a threaded hole in the center of its small circular end face to connect with the stop block.
[0011] Furthermore, the unlocking component also includes a protective cover, which is fixedly connected to the frame.
[0012] The advantages of this prying and unlocking mechanism are: 1. When the module tray flows to the prying and unlocking station via the friction roller conveyor, the prying and unlocking mechanism resets the sliding fixture plates on both sides of the module tray, thereby ensuring the smooth unloading of the module and allowing the sliding fixture plates to be reused: The cylinder pushes the cylinder push plate to slide towards the module tray. When it approaches the sliding fixture plate of the module tray, the proximity switch will first sense the sliding fixture plate and send a feedback signal. At this time, the electromagnet is energized to attract the sliding fixture plate of the tray. Then, the cylinder retracts to drive the sliding fixture plate to reset. After it is in place, the feedback is achieved through the magnetic opening mechanism of the cylinder. 1. The signal electromagnet is de-energized, and the cylinder resets. 2. The guide unit plays a guiding role to ensure that the position does not deviate: When the cylinder drives the cylinder push plate to extend and retract, the guide rod moves synchronously through linear bearing I and the slide rail slider, ensuring the stability of the movement of the cylinder push plate and the electromagnet, thereby better adsorbing the sliding fixture plate of the module tray. 3. The guide rod and the cylinder end plate adopt a floating connection form with a connecting shaft and compression spring, which can eliminate the angular error between the electromagnet and the sliding fixture plate, making the electromagnet and the sliding fixture plate fit tightly together and improving the utilization rate of the electromagnet. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the installation position of the prying and unlocking mechanism of this utility model.
[0014] Figure 2It is a 3D view of the unlocking components after removing the protective cover.
[0015] Figure 3 It is a top view of the unlocking components.
[0016] Figure 4 It is along Figure 3 A cross-sectional view along line AA in the middle.
[0017] Figure 5 yes Figure 2 Enlarged diagram of point B in the middle.
[0018] Figure 6 This is a schematic diagram of the connecting shaft. Detailed Implementation
[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0020] Example 1
[0021] from Figure 1 , Figure 2 , Figure 3 As can be seen, the opening and unlocking mechanism of the lithium battery module tray of this utility model includes two opening and unlocking components, each of which includes a frame 1, a cylinder 2, a cylinder push plate 3, a floating joint 4, an electromagnet 5, a proximity switch 6, and a bracket 7. The cylinder 2 is fixed on the frame 1, the cylinder push plate 3 is located at the front of the cylinder rod end, one end of the cylinder push plate 3 is connected to the cylinder rod end through the floating joint 4, and the other end is connected to the electromagnet 5. The bracket 7 is connected to the cylinder push plate 3, and the proximity switch 6 is installed on the left end of the bracket 7. The proximity switch 6 is closer to the sliding tooling plate of the module tray than the electromagnet 5.
[0022] The floating joint 4 is connected to the cylinder push plate 3 by a fine thread, which can protect the cylinder, compensate for assembly errors, and improve the flexibility of the equipment.
[0023] from Figure 1 As can be seen, the prying and unlocking mechanism of this utility model is installed on both sides of the friction roller conveyor: the module tray 22 is placed on the friction roller conveyor. When the module tray flows through the friction roller conveyor to the tray prying and unlocking station, the blocking cylinder blocks the module tray, and the lifting and positioning mechanism positions the module tray. At this time, the prying and unlocking mechanism works to separate the sliding fixture plate 23 from the module tray 22: the cylinder pushes the cylinder push plate to slide towards the module tray. When it approaches the sliding fixture plate of the module tray, the proximity switch will first sense the sliding fixture plate and give feedback signal. At this time, the electromagnet is energized and attracts the sliding fixture plate of the tray. Then the cylinder retracts and drives the sliding fixture plate to reset. After it is in place, the electromagnet is de-energized through the feedback signal of the cylinder's own magnetic switch, and the cylinder resets. When the diameter of the electromagnet is 80mm, the attraction force reaches 200kgf after being energized.
[0024] Example 2
[0025] from Figure 2 , Figure 3 , Figure 4 As can be seen, the prying and unlocking mechanism of this utility model includes two guide units in each prying and unlocking component. The two guide units are symmetrically arranged with respect to the cylinder. Each guide unit includes a slide rail 8, a guide rod 9, a bearing mounting seat 10, a linear bearing I 11, a guide rod mounting seat 12, and a slider 13. The slide rail 8 is fixed on the top of the frame 1. The bearing mounting seat 10 is located at the left end of the slide rail 8 and is fixedly connected to the frame 1. The guide rod mounting seat 12 cooperates with the slide rail 8 through the slider 13 at the bottom. The linear bearing I 11 cooperates with the inner hole of the bearing mounting seat 10 and is fixedly connected to the end face of the bearing mounting seat. The left end of the guide rod 9 passes through the linear bearing I 11 and is connected to the cylinder push plate 3, and the right end is connected to the inner hole of the guide rod mounting seat 12.
[0026] The guide unit plays a guiding role to ensure that the position does not deviate: when the cylinder drives the cylinder push plate to extend and retract, the guide rod moves synchronously through the linear bearing I and the slide rail slider, ensuring the stability of the movement of the cylinder push plate together with the electromagnet, thereby better adsorbing the sliding tooling plate of the module tray.
[0027] Example 3
[0028] from Figure 2 , Figure 3 , Figure 4 It can be seen that the opening and unlocking mechanism of this utility model includes a limiting block 14 in each guide unit. The limiting block 14 is located at the right end of the slide rail 8 and is fixedly connected to the frame 1.
[0029] The limiting block 14 serves to limit the movement of the slider, preventing it from falling off the slide rail and ensuring the reliability of the left and right movement of the guide rod 9.
[0030] Example 4
[0031] from Figure 2 , Figure 3 , Figure 4 , Figure 5 It can be seen that the opening and unlocking mechanism of this utility model includes: each guide unit further includes a connecting block 15, a connecting shaft 16, a linear bearing II 17, a compression spring 18, and a stop block 19; the linear bearing II 17 is fitted with the inner hole of the cylinder push plate 3 and is fixedly connected to the end face of the cylinder push plate; the connecting block 15 is pressed tightly on the large end face of the linear bearing I 11, and its left and right sides are respectively connected to the connecting shaft 16 and the guide rod 9; the left end of the connecting shaft 16 extends from the linear bearing II 17 and is connected to the stop block 19; the compression spring 18 is sleeved on the outer circle of the connecting shaft 16, and its left and right ends are in contact with the cylinder push plate 3 and the large end face of the connecting shaft 16, respectively.
[0032] The cylinder pushes the electromagnet to engage with the sliding fixture plate of the module tray. When the electromagnet and the sliding fixture plate form a certain angle, the compression spring is compressed to a certain extent by the pressure transmitted from the cylinder through the cylinder push plate. The cylinder push plate then adjusts accordingly, ensuring a complete engagement between the electromagnet and the sliding fixture plate. A floating connection with a compression spring is used between the guide rod and the cylinder end plate, eliminating angular errors between the electromagnet and the sliding fixture plate, ensuring a tight fit and improving the utilization rate of the electromagnet.
[0033] Example 5
[0034] from Figure 2 , Figure 3 , Figure 4 , Figure 5 It can be seen that the opening and unlocking mechanism of this utility model includes an elastic pad 20 in each guide unit. The elastic pad 20 is sleeved on the connecting shaft 16 and located between the stop block 19 and the linear bearing II 17.
[0035] The elastic pad 20 can prevent the stop 19 from colliding with the bearing II 17, thus providing protection.
[0036] Example 6
[0037] The opening and unlocking mechanism of this utility model: the elastic pad 20 is made of polyurethane.
[0038] The polyurethane pad is lightweight and has good resilience, which can buffer the impact force of the stop block 19 to the right and avoid the impact on the overall mechanism.
[0039] Example 7
[0040] from Figure 6 As can be seen, the opening and unlocking mechanism of this utility model has the following characteristics: the connecting shaft 16 is a stepped shaft, with a through hole on its large circular end face connected to the connecting plate 15, and a threaded hole in the center of its small circular end face connected to the stop block 19.
[0041] Example 8
[0042] from Figure 1 It can be seen that the prying and unlocking mechanism of this utility model: the prying and unlocking component also includes a protective cover plate 21, which is fixedly connected to the frame 1.
[0043] The protective cover 21 protects the internal components, and the cable routing holes on both sides of the protective cover facilitate the routing of equipment cables.
[0044] The advantages of this prying and unlocking mechanism are: 1. When the module tray flows to the prying and unlocking station via the friction roller conveyor, the prying and unlocking mechanism resets the sliding fixture plates on both sides of the module tray, thereby ensuring the smooth unloading of the module and allowing the sliding fixture plates to be reused: The cylinder pushes the cylinder push plate to slide towards the module tray. When it approaches the sliding fixture plate of the module tray, the proximity switch will first sense the sliding fixture plate and send a feedback signal. At this time, the electromagnet is energized to attract the sliding fixture plate of the tray. Then, the cylinder retracts to drive the sliding fixture plate to reset. After it is in place, the feedback is achieved through the magnetic opening mechanism of the cylinder. 1. The signal electromagnet is de-energized, and the cylinder resets. 2. The guide unit plays a guiding role to ensure that the position does not deviate: When the cylinder drives the cylinder push plate to extend and retract, the guide rod moves synchronously through linear bearing I and the slide rail slider, ensuring the stability of the movement of the cylinder push plate and the electromagnet, thereby better adsorbing the sliding fixture plate of the module tray. 3. The guide rod and the cylinder end plate adopt a floating connection form with a connecting shaft and compression spring, which can eliminate the angular error between the electromagnet and the sliding fixture plate, making the electromagnet and the sliding fixture plate fit tightly together and improving the utilization rate of the electromagnet.
Claims
1. A mechanism for opening and unlocking a lithium battery module tray, characterized in that: It comprises two left and right prying unlocking assemblies, each prying unlocking assembly comprises a frame (1), a cylinder (2), a cylinder push plate (3), a floating joint (4), an electromagnet (5), a proximity switch (6), a bracket (7); the cylinder (2) is fixed on the frame (1), the cylinder push plate (3) is located at the front of the cylinder rod end, one end of the cylinder push plate (3) is connected with the cylinder rod end through the floating joint (4), the other end is connected with the electromagnet (5), the bracket (7) is connected with the cylinder push plate (3), the left end of the proximity switch (6) is installed on the bracket (7), and the proximity switch (6) is closer to the sliding tool plate of the module tray relative to the electromagnet (5).
2. The prying unlocking mechanism of claim 1, wherein: Each prying unlocking assembly further comprises two guide units, the two guide units are symmetrically arranged relative to the front and back of the cylinder, and each guide unit comprises a sliding rail (8), a guide rod (9), a bearing mounting seat (10), a linear bearing I (11), a guide rod mounting seat (12), and a sliding block (13); the sliding rail (8) is fixed on the upper surface of the frame (1), and the bearing mounting seat (10) is located at the left end of the sliding rail (8) and is fixedly connected with the frame (1); the guide rod mounting seat (12) is matched with the sliding rail (8) through the sliding block (13) at the bottom; the linear bearing I (11) is matched with the inner hole of the bearing mounting seat (10) and is fixedly connected with the end surface of the bearing mounting seat, and the left end of the guide rod (9) is connected with the cylinder push plate (3) after penetrating out of the linear bearing I (11), and the right end is connected with the inner hole of the guide rod mounting seat (12).
3. The prying unlocking mechanism of claim 2, wherein: Each guide unit further comprises a limiting block (14), and the limiting block (14) is located at the right end of the sliding rail (8) and is fixedly connected with the frame (1).
4. The prying unlocking mechanism of claim 2, wherein: Each guide unit further comprises a connecting block (15), a connecting shaft (16), a linear bearing II (17), a compression spring (18), and a stop block (19); the linear bearing II (17) is matched with the inner hole of the cylinder push plate (3) and is fixedly connected with the end surface of the cylinder push plate, the connecting block (15) is tightly pressed on the large end surface of the linear bearing I (11), and the left and right sides of the connecting block (15) are connected with the connecting shaft (16) and the guide rod (9) respectively; the left end of the connecting shaft (16) is connected with the stop block (19) after penetrating out of the linear bearing II (17), the compression spring (18) is sleeved on the outer circle of the connecting shaft (16), and the left and right ends of the compression spring (18) are in contact with the cylinder push plate (3) and the large end surface of the connecting shaft (16) respectively.
5. The prying unlocking mechanism of claim 4, wherein: Each guide unit further comprises an elastic pad block (20), and the elastic pad block (20) is sleeved on the connecting shaft (16) and located between the stop block (19) and the linear bearing II (17).
6. The prying unlocking mechanism of claim 5, wherein: The material of the elastic pad block (20) is polyurethane.
7. The prying unlocking mechanism of claim 4, wherein: The connecting shaft (16) is a stepped shaft, a through hole is formed in the large circular end surface of the connecting shaft (16) and connected with the connecting block (15), and a threaded hole is formed in the center of the small circular end surface of the connecting shaft (16) and connected with the stop block (19).
8. The prying unlocking mechanism of claim 1, wherein: The prying unlocking assembly further comprises a shield plate (21), and the shield plate (21) is fixedly connected with the frame (1).