Battery cap internal resistance measuring device

By designing an automated battery cap internal resistance testing device, the problem of low testing efficiency in existing technologies has been solved, realizing automated testing and efficient production of battery caps.

CN223902422UActive Publication Date: 2026-02-13DONGGUAN XINTUO INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520401465.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-02-13
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing lithium battery cap internal resistance testing devices are inefficient and require manual feeding, wasting manpower and resources.

Method used

An automated internal resistance measurement device was designed, comprising a battery cap transmission mechanism, a testing platform, a probe testing mechanism, a feeding plate, a feeding cylinder, a discharge port, and a discharge hopper. This device enables automatic feeding, testing, and discharge of battery caps. The synchronous wheel transmission assembly and the probe testing mechanism are used to improve testing efficiency.

Benefits of technology

It has achieved fully automated testing of battery caps, improving testing and production efficiency and reducing manual intervention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a battery cap internal resistance measuring device, which comprises a battery cap transmission mechanism, a detection table, a probe detection mechanism, a shifting plate, a shifting cylinder, a blanking port and a blanking hopper, the front end of the battery cap transmission mechanism is butted with the detection table, the probe detection mechanism is mounted in the detection table, the shifting plate is provided with the shifting port, the detection table is provided with the blanking port, and the probe detection mechanism is mounted in the blanking port. When the internal resistance detection device for the battery cap works, the battery cap transmission mechanism drives the battery cap to move forwards to enter the material shifting port, and the probe detection mechanism detects the internal resistance of the battery cap in the material shifting port. After the internal resistance is detected, the shifting air cylinder drives the shifting plate to transversely move to enable the battery caps to fall into the blanking port, the battery caps are discharged from the blanking hopper, full-automatic operation of feeding, detecting and discharging is achieved, the practicability is high, and the efficiency is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to battery manufacturing equipment field, concretely relates to a battery cap measures internal resistance device. BACKGROUND

[0002] Lithium battery cap is the important component part of lithium battery, and like Figure 1 The lithium battery cap is generally composed of the explosion -proof sheet 01, the top cover 02, the rubber ring 03 three parts, the explosion -proof sheet 01 and the top cover 02 are welded together, in order to prevent the lithium battery cap with the defects such as false welding, missed welding from affecting product quality, when lithium battery cap assembly is completed, it needs to carry out internal resistance detection, and the existing measure internal resistance device is characterized in that: single feeding detection efficiency is low, and manual feeding can be only carried out, and manpower and material resources are wasted. UTILITY MODEL CONTENTS

[0003] In view of the above defects in the prior art, the utility model provides a battery cap measures internal resistance device, and the specific technical scheme is as follows:

[0004] A kind of battery cap measures internal resistance device, including battery cap transmission mechanism, detection table, probe detection mechanism, poking plate, poking cylinder, blanking port and blanking hopper, battery cap transmission mechanism front end is connected with detection table, probe detection mechanism is installed in detection table, poking plate is equipped with blanking port, battery cap transmission mechanism drives battery cap forward to enter blanking port, probe detection mechanism detects internal resistance to battery cap in blanking port, detection table is equipped with blanking port, blanking hopper is installed in the lower portion of detection table, blanking hopper is communicated with blanking port, detection table side is installed poking cylinder, and poking cylinder drives poking plate transverse to make battery cap drop into blanking port.

[0005] As a preferred scheme of the utility model, the blanking port, blanking port and blanking hopper are 2 respectively.

[0006] As a preferred scheme of the utility model, 2 battery caps enter blanking port at a time.

[0007] As a preferred scheme of the utility model, the battery cap transmission mechanism includes main feeder frame, conveying belt, motor and synchronous wheel transmission assembly, conveying belt is installed in main feeder frame, motor is installed in the side of main feeder frame, motor drives conveying belt rotary motion by synchronous wheel transmission assembly, and battery cap is arranged on conveying belt.

[0008] As a preferred scheme of the utility model, the probe detection mechanism comprises an upper air cylinder, an upper probe mounting block, an upper probe, a lower air cylinder, a lower probe mounting block, a lower probe and an internal resistance tester, the upper air cylinder is located above the detection table, the upper air cylinder drives the upper probe mounting block to move downwards, the upper probe is installed in the upper probe mounting block, and the upper probe is used for contacting the upper surface of the battery cap; the lower air cylinder is located below the detection table, the lower air cylinder drives the lower probe mounting block to move upwards, the lower probe is installed in the lower probe mounting block, and the lower probe is used for contacting the lower surface of the battery cap; and the upper probe and the lower probe are electrically connected with the internal resistance tester.

[0009] As a preferred scheme of the utility model, the upper probe has two groups, each group of the upper probe has two upper probes, the lower probe has two groups, and each group of the lower probe has two lower probes.

[0010] As a preferred scheme of the utility model, the blanking hopper is in a herringbone shape, the upper end of the blanking hopper is connected to the blanking port, a turnover plate is installed in the blanking hopper, and a turnover air cylinder drives the turnover plate to rotate to change the discharging direction.

[0011] Beneficial effects: when the battery cap internal resistance testing device works, the battery cap transmission mechanism drives the battery cap to move forward into the poking port, the probe detection mechanism detects the internal resistance of the battery cap in the poking port, the poking cylinder drives the poking plate to move horizontally to make the battery cap drop into the blanking port after the internal resistance is detected, and the battery cap is discharged from the blanking hopper, so that the feeding, detection and discharging are fully automated, the practicability is high, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a perspective view of a lithium battery cap;

[0013] Figure 2 is a perspective view of the utility model;

[0014] Figure 3 is a perspective view of another view of the utility model;

[0015] Figure 4 is a perspective view of a battery cap transmission mechanism of the utility model;

[0016] Figure 5 is a perspective view of a probe detection mechanism of the utility model;

[0017] Figure 6 is a perspective view of a detection table and a blanking hopper of the utility model;

[0018] Figure 7 is a perspective view of a blanking hopper and a turnover air cylinder of the utility model. DETAILED DESCRIPTION

[0019] The specific embodiments of the utility model are further described below in combination with the drawings:

[0020] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the position or element must have a specific orientation, with a specific orientation structure and operation, therefore cannot be understood as the limitation of the utility model.

[0021] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, the term "installation", "connection", "connect" should be broad understanding, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through the intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0022] As Figure 2 And 3 As shown in a kind of battery cap measures internal resistance device, including battery cap transmission mechanism 1, detection table 2, probe detection mechanism 3, poking plate 4, poking cylinder 5, blanking port 6 and blanking hopper 7, battery cap transmission mechanism 1 front end is connected to detection table 2, probe detection mechanism 3 is installed in detection table 2, poking plate 4 is equipped with poking port 41, battery cap transmission mechanism 1 drives battery cap A to move forward into poking port 41, probe detection mechanism 3 detects internal resistance to battery cap in poking port 41, detection table 2 is equipped with blanking port 21, blanking hopper 7 is installed below detection table 2, blanking hopper 7 is communicated blanking port 21, detection table 2 side is installed poking cylinder 5, poking cylinder 5 drives poking plate 4 to move horizontally so that battery cap A falls into blanking port 21 and is discharged from blanking hopper 7, the specific structure of poking cylinder 5 driving poking plate 4 is that poking cylinder 5 piston rod is transversely extended to connect poking plate 4, and poking plate 4 is slidably installed detection table 2 by sliding block and sliding rail.

[0023] Specifically, poking port 41, blanking port 6 and blanking hopper 7 are 2 respectively, and two blanking ports 6 and blanking hoppers 7 are located on both sides of poking port 41, so that one poking port 41 can be used to load internal resistance battery cap, and the other can be used to move battery cap to blanking port 6, to improve the speed.In addition, two battery caps A enter poking port 41 at a time, and two products are detected at a time.

[0024] As Figure 4As shown in the drawings, the battery cap conveying mechanism 1 comprises a main feeder frame 11, a conveying belt 12, a motor 13 and a synchronous wheel conveying assembly 14, the conveying belt 12 is installed in the main feeder frame 11, the motor 13 is installed on the side of the main feeder frame 11, the motor 13 drives the conveying belt 12 to rotate through the synchronous wheel conveying assembly, the synchronous wheel conveying assembly is a prior art mainly comprising two synchronous wheels and a synchronous belt, and the battery caps A are arranged on the conveying belt 12.

[0025] As shown in the drawings, Figure 5 As shown in the drawings, the probe detection mechanism 3 comprises an upper air cylinder 31, an upper probe mounting block 32, an upper probe 33, a lower air cylinder 34, a lower probe mounting block 35, a lower probe 36 and an internal resistance tester (not shown), the upper air cylinder 31 is located above the detection table 2, the upper air cylinder 31 can be installed on the detection table 2 through a vertical plate, the upper air cylinder 31 drives the upper probe mounting block 32 to move downwards, the upper probe mounting block 32 is installed with the upper probe 33, the upper probe 33 is used for contacting the upper surface of the battery cap A, the lower air cylinder 34 is located below the detection table 2, the lower air cylinder 34 can be installed on the bottom plate 8, and the detection table 2 is supported by the support rod 9, the lower air cylinder 34 drives the lower probe mounting block 35 to move upwards, the lower probe mounting block 35 is installed with the lower probe 36, the detection table 2 is provided with a through hole corresponding to the position of the lower probe 36, and the lower probe 36 is used for contacting the lower surface of the battery cap A; the upper probe 33 and the lower probe 36 are electrically connected with the internal resistance tester, the internal resistance tester is a prior art, and the internal resistance can be detected when the upper probe 33 and the lower probe 36 contact the battery cap. In addition, the upper probe 36 has two groups, each group of the upper probe 36 has two upper probes 36, the lower probe 36 has two groups, each group of the lower probe 36 has two lower probes 36, the detection efficiency and the accuracy can be improved.

[0026] As shown in the drawings, Figure 6 And 7 As shown in the drawings, the blanking hopper 7 is in a herringbone shape, the upper end of the blanking hopper 7 is connected to the blanking port 6, the blanking hopper 7 is installed with a turnover plate 71, a turnover air cylinder 72 drives the turnover plate 71 to rotate to change the discharging direction, the blanking hopper 7 has two, and the corresponding two turnover plates 71 are connected through a rotating shaft, the turnover plate 71 rotates to change the discharging direction, and the qualified and unqualified products can be guided to different directions to be discharged.

[0027] The above is a further detailed description of the utility model made in combination with the specific preferred embodiments, and the specific implementation of the utility model cannot be limited to these descriptions, for ordinary skilled persons in the technical field to which the utility model belongs, a number of simple deductions or replacements can be made without departing from the concept of the utility model, and all of them shall be regarded as belonging to the protection scope of the utility model.

Claims

1. A battery cap internal resistance measuring device, characterized in that: The device includes a battery cap transfer mechanism, a testing platform, a probe testing mechanism, a feeding plate, a feeding cylinder, a discharge port, and a discharge hopper. The front end of the battery cap transfer mechanism is connected to the testing platform. The probe testing mechanism is installed in the testing platform. The feeding plate has a feeding port. The battery cap transfer mechanism drives the battery cap to move forward and enter the feeding port. The probe testing mechanism detects the internal resistance of the battery cap in the feeding port. The testing platform has a discharge port. A discharge hopper is installed below the testing platform and is connected to the discharge port. A feeding cylinder is installed on the side of the testing platform. The feeding cylinder drives the feeding plate to move laterally so that the battery cap falls into the discharge port.

2. The battery cap internal resistance measuring device according to claim 1, characterized in that: There are two feeding ports, two dropping ports, and two dropping hoppers.

3. A battery cap internal resistance measuring device according to claim 1 or 2, characterized in that: Two battery caps are fed into the feeding port at a time.

4. The battery cap internal resistance measuring device according to claim 1, characterized in that: The battery cap transmission mechanism includes a main feeding frame, a conveyor belt, a motor, and a synchronous wheel transmission assembly. The conveyor belt is installed in the main feeding frame, and the motor is installed on the side of the main feeding frame. The motor drives the conveyor belt to rotate through the synchronous wheel transmission assembly, and the battery caps are arranged on the conveyor belt.

5. The battery cap internal resistance measuring device according to claim 1, characterized in that: The probe testing mechanism includes an upper cylinder, an upper probe mounting block, an upper probe, a lower cylinder, a lower probe mounting block, a lower probe, and an internal resistance tester. The upper cylinder is located above the testing platform and drives the upper probe mounting block to move downward. The upper probe is installed in the upper probe mounting block and is used to contact the upper surface of the battery cover. The lower cylinder is located below the testing platform and drives the lower probe mounting block to move upward. The lower probe is installed in the lower probe mounting block and is used to contact the lower surface of the battery cover. The upper probe and the lower probe are electrically connected to the internal resistance tester.

6. The battery cap internal resistance measuring device according to claim 5, characterized in that: There are two sets of upper probes, with two probes in each set, and two sets of lower probes, with two probes in each set.

7. The battery cap internal resistance measuring device according to claim 1, characterized in that: The hopper is shaped like a V-shape, with the upper end of the hopper connected to the discharge port. A tilting plate is installed inside the hopper, and a tilting cylinder drives the tilting plate to rotate and change the discharge direction.