Axial self-correcting mandrel insertion mechanism and assembly

By using an axial self-correcting mandrel insertion mechanism, which combines gravity and airflow guidance technology with positioning retention and visual positioning, the problems of low mandrel insertion efficiency and alignment deviation in cylindrical battery production are solved, achieving a high-precision and high-efficiency mandrel insertion process.

CN224508910UActive Publication Date: 2026-07-17GUANGDONG LYRIC ROBOT INTELLIGENT AUTOMATION CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG LYRIC ROBOT INTELLIGENT AUTOMATION CO LTD
Filing Date
2025-05-30
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the production process of cylindrical batteries, traditional manual insertion of core rods is inefficient and inconsistent, while the alignment deviation of the insertion rods by automated equipment can cause jamming or damage to the core during the insertion process.

Method used

The axial self-correcting mandrel insertion mechanism uses a straight-lined discharge channel in conjunction with an inclined inlet guide groove to guide the mandrel to automatically correct its axial direction using gravity and airflow thrust. Combined with a positioning and holding component and a vision positioning mechanism, it ensures the accuracy and efficiency of mandrel insertion.

Benefits of technology

It improves the accuracy and efficiency of mandrel insertion, avoids jamming, and enhances assembly quality and the adaptability of the equipment.

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Abstract

The utility model relates to an axial self -correcting official core rod jack mechanism and assembling device, wherein axial self -correcting official core rod jack mechanism includes feeding assembly, discharge piece and push material subassembly, the discharge piece is equipped with intercommunication inlet, discharge port and push material mouth, the straight line extension discharge channel is formed between discharge port and push material mouth, the inlet communicates with the middle section of discharge channel through the oblique setting inlet guide slot, the inlet is connected with feeding assembly, the push material subassembly includes the compression link that is worn in push material mouth, the compression link is configured as can move along discharge channel to push out the core rod from discharge port that is located in discharge channel. The utility model's structure is reasonable, can promote the precision and efficiency of core rod jack.
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Claims

1. An axial self-correcting mandrel insertion mechanism, characterized by, The assembly includes a feeding component (1), a discharging component (2), and a pushing component (3). The discharging component (2) is provided with an inlet (21), a discharge port (22), and a pushing port (23) that are interconnected. A straight-line discharge channel (25) is formed between the discharge port (22) and the pushing port (23). The inlet (21) is connected to the middle section of the discharge channel (25) through an inclined inlet guide groove (24). The inlet (21) is connected to the feeding component (1). The pushing component (3) includes a pressure rod (31) that passes through the pushing port (23). The pressure rod (31) is configured to move along the discharge channel (25) to push the mandrel located in the discharge channel (25) out of the discharge port (22).

2. The axial self-correcting mandrel insertion mechanism of claim 1, wherein, The discharge component (2) is provided with a positioning and holding component (26) near the discharge port (22), and the positioning and holding component (26) is used to hold the mandrel in the discharge channel (25).

3. The axial self-correcting mandrel insertion mechanism of claim 2, wherein, The positioning and holding assembly (26) includes a limiting swing arm (261) and an elastic element (262). The limiting swing arm (261) is rotatably connected to the discharge element (2). The elastic element (262) is compressed between the limiting swing arm (261) and the discharge element (2). The limiting swing arm (261) is provided with a holding inclined surface (263) that extends into the discharge channel (25).

4. The axial self-correcting mandrel insertion mechanism of claim 2, wherein, The positioning and holding assembly (26) includes a limiting valve (265) with a limiting rod (266) passing through it. The limiting rod (266) is configured to move axially so that its end extends into or out of the discharge channel (25).

5. The axial self-correcting mandrel insertion mechanism of claim 2, wherein, The discharge component (2) is provided with an air inlet (27) near the connection between the feed guide groove (24) and the discharge channel (25). The air inlet (27) is used to spray airflow to adjust the axial posture of the mandrel.

6. The axial self-correcting mandrel insertion mechanism of claim 2, wherein, The discharge component (2) is equipped with a sensor (28) for detecting the position of the mandrel.

7. The axial self-correcting mandrel insertion mechanism of claim 1, wherein, The feeding assembly (1) includes a feeding component (11) and a guiding component (12). The discharge end of the feeding component (11) is connected to the feed end of the guiding component (12), and the discharge end of the guiding component (12) is connected to the inlet (21).

8. The axial self-correcting mandrel insertion mechanism of claim 1, wherein, The pusher assembly (3) includes a pusher drive (32) for driving the pressure bar (31) to move along its axial direction.

9. The axial self-correcting mandrel insertion mechanism of claim 1, wherein, It also includes a lifting assembly (4), which includes a lifting drive (41) and a lifting seat (42). The feeding assembly (1), the discharging assembly (2) and the pushing assembly (3) are located on the lifting seat (42). The lifting drive (41) is configured to drive the lifting seat (42) to move vertically.

10. A mandrel assembly apparatus, characterized by, The device includes the axial self-aligning mandrel insertion mechanism as described in any one of claims 1 to 9, and further includes a visual positioning mechanism (5) and a core feeding mechanism (6). The axial self-aligning mandrel insertion mechanism is located on the transfer path of the core feeding mechanism (6), and the visual positioning mechanism (5) is mounted above the axial self-aligning mandrel insertion mechanism.