A lead-acid battery disc rotary vacuum filling system

Abstract

This application discloses a rotary vacuum filling system for lead-acid batteries, including a rotating worktable with multiple injection stations arranged in a ring on the worktable. Each injection station holds and fixes a set of lead-acid batteries. An infeed conveyor belt and an outfeed conveyor belt are provided on one side of the rotating worktable, and an injection module is located above each injection station. This invention features high production efficiency, a compact structure, small footprint, highly integrated interfaces, space saving, and suitability for production line integration.

Description

Technical Field

[0001] This application relates to the production of lead-acid batteries, and particularly to a disc-type rotary vacuum filling system for lead-acid batteries. Background Technology

[0002] Currently, lead-acid battery vacuum filling uses a single conveyor belt with multiple filling stations arranged in a straight line. This existing technology has significant drawbacks:

[0003] 1. Taking a 12V20AH battery as an example, a production capacity of 10,000 units also requires 18 workstations to inject electrolyte simultaneously, and at least 1-2 people are needed to operate it.

[0004] 2. It occupies a large area and its length after layout needs to be more than 8 meters.

[0005] 3. The layout of electrical, gas, vacuum, and electrolyte pipelines is complex and scattered, resulting in high energy consumption. Summary of the Invention

[0006] The purpose of this invention is to provide a rotary vacuum filling system for lead-acid batteries, which features a high degree of automation, enabling unmanned operation; high production efficiency, with a single system capable of producing 10,000 batteries per 10 hours; compact structure, small footprint, highly integrated interfaces, space-saving design, and suitability for production line integration.

[0007] To achieve the above objectives, the present invention provides the following technical solution.

[0008] This application discloses a rotary vacuum filling system for lead-acid batteries, including a rotating worktable with multiple injection stations arranged in a ring on the worktable. Each injection station holds and fixes a set of lead-acid batteries. An infeed conveyor belt and an outfeed conveyor belt are provided on one side of the rotating worktable, and an injection module is provided above each injection station.

[0009] During operation, the rotating worktable rotates, and the feeding conveyor belt transports lead-acid batteries to be clamped by the liquid injection station in sequence. During the rotation of the rotating worktable, each liquid injection module injects acid into each group of lead-acid batteries. When the lead-acid batteries reach the discharge conveyor belt, they are pushed out and transported away.

[0010] Preferably, in the above-mentioned lead-acid battery rotary vacuum filling system, a feeding push cylinder is provided on one side of the feeding conveyor belt, and a feeding platform is provided parallel to the other side, with a feeding push cylinder provided on the feeding platform.

[0011] During feeding, multiple sets of lead-acid batteries are conveyed on the feeding conveyor belt and attached end to end. The feeding push cylinder pushes a single set of lead-acid batteries to the feeding platform in sequence, and then pushes the set of lead-acid batteries to the liquid injection station.

[0012] Preferably, in the above-mentioned lead-acid battery rotary vacuum filling system, a horn-shaped clamping port is formed at one end of the filling station, and a discharge pushing cylinder is provided on the back of the horn-shaped clamping port. The width of the inner side of the horn-shaped clamping port is slightly larger than the width of the lead-acid battery.

[0013] During feeding, the horn-shaped clamping port is used to limit the lead-acid battery. During discharging, the discharging push cylinder pushes the horn-shaped clamping port, thereby moving the lead-acid battery to the discharging conveyor belt.

[0014] Preferably, in the above-mentioned lead-acid battery disc rotary vacuum filling system, the rotating worktable is driven by a stepper motor located at the bottom. Each time the stepper motor rotates, it causes the rotating worktable to rotate by an angle of 360° / the total number of filling stations. The discharge conveyor belt receives the lead-acid batteries at the last filling station.

[0015] Preferably, in the above-mentioned lead-acid battery disc rotary vacuum filling system, there are 18 injection stations. The rotating worktable rotates 20° each time, with each rotation lasting 2 seconds and each dwell time lasting 1.3 seconds. During the dwell time, loading and unloading are performed once.

[0016] Preferably, in the above-mentioned lead-acid battery disc rotary vacuum filling system, the liquid injection module sequentially includes: a liquid injection mold for injecting liquid into the lead-acid battery, a liquid injection vacuum cup connected to the liquid injection mold, and a flow control valve connected to the liquid injection vacuum cup.

[0017] Preferably, in the above-mentioned lead-acid battery disc rotary vacuum filling system, a flow meter is provided above the flow control valve.

[0018] Preferably, in the above-mentioned lead-acid battery disc rotary vacuum filling system, a central column is provided at the axis of the rotating worktable, and an acid pipeline rotary joint is provided at the top of the central column.

[0019] Compared with existing technologies, the advantages of this technical solution are: high production efficiency, with a single system capable of producing 10,000 batteries per 10 hours; compact structure, small footprint, highly integrated interfaces, space-saving design, and suitability for production line integration. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 The image shown is a front view of the lead-acid battery disc-type rotary vacuum filling system in an embodiment of the present invention.

[0022] Figure 2 The figure shown is a top view of the lead-acid battery disc-type rotary vacuum filling system in an embodiment of the present invention. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Combination Figure 1-2 As shown, the lead-acid battery rotary vacuum filling system 100 includes a rotating worktable 101 with multiple injection stations 102 arranged in a ring on the worktable 101. Each injection station 102 clamps and fixes a set of lead-acid batteries 103. A feeding conveyor belt 104 and a discharging conveyor belt 105 are provided on one side of the rotating worktable 101. An injection module is provided above each injection station 102.

[0025] During operation, the rotating worktable 101 rotates, and the feeding conveyor belt 104 transports lead-acid batteries 103 to be clamped by the liquid injection station 102 in sequence. During the rotation of the rotating worktable 101, each liquid injection module injects acid into each group of lead-acid batteries 103. When the lead-acid batteries 103 reach the discharge conveyor belt 105, they are pushed out and transported away.

[0026] A feeding push cylinder 106 is provided on one side of the feeding conveyor belt 104, and a loading platform 107 is provided parallel to the other side, on which a loading push cylinder 108 is provided.

[0027] During feeding, multiple sets of lead-acid batteries 103 are conveyed on the feeding conveyor belt 104 and attached end to end. The feeding push cylinder 106 pushes a single set of lead-acid batteries 103 to the feeding platform 107 in sequence, and the feeding push cylinder 108 pushes the set of lead-acid batteries 103 to the liquid injection station 102.

[0028] One end of the liquid injection station 102 has a horn-shaped clamping port 109. A discharge pushing cylinder 110 is provided on the back of the horn-shaped clamping port 109. The width of the inner side of the horn-shaped clamping port 109 is slightly larger than the width of the lead-acid battery 103.

[0029] During feeding, the horn-shaped clamping port 109 is used to limit the lead-acid battery 103. During discharging, the discharge pushing cylinder 110 pushes the horn-shaped clamping port 109, thereby driving the lead-acid battery 103 to move to the discharge conveyor belt 105.

[0030] The rotating worktable 101 is driven by a stepper motor 111 at the bottom. Each time the stepper motor 111 rotates, it drives the rotating worktable 101 to rotate by an angle of 360° / the total number of liquid injection stations 102. The discharge conveyor belt 105 receives the lead-acid battery 103 on the last liquid injection station 102.

[0031] The liquid injection module includes, in sequence: a liquid injection mold 112 for injecting liquid into the lead-acid battery 103, a liquid injection vacuum cup 113 connected to the liquid injection mold 112, and a flow control valve 114 connected to the liquid injection vacuum cup 113. A flow meter 115 is installed above the flow control valve 114.

[0032] In practice

[0033] 1. The battery conveyor adopts a disc-rotating design with one inlet and one outlet on the same side, which can be connected to a straight or flexible conveyor belt.

[0034] 2. Operation Flow: Battery is positioned at the inlet --- transferred to the loading platform --- the rotating worktable stops, and the battery is pushed into the liquid injection station --- the rotating worktable moves --- the injection mold descends --- initial vacuuming --- acid flow metering --- vacuum cycle twice --- liquid injection completed, injection mold lifted --- waiting to reach the outlet, cylinder ejects --- completion. (The liquid injection module uses vacuum liquid injection, a mature existing technology, which is not described in detail in this technical solution.)

[0035] 3. Taking a 12V 20AH battery as an example, the rotating worktable is designed with 18 working positions, rotating 20 degrees each time, with a running time of 2 seconds. It pauses for 1.3 seconds, simultaneously performing one feeding and one discharging operation. The total electrolyte injection time is 50 seconds. The total cycle time for this design is 3.3 seconds per battery. The calculated production capacity for 10 hours is 60 * 60 * 10 / 3.3 = 10909 batteries.

[0036] 4. Each injection station is equipped with a complete metering and vacuum injection system, requiring 18 injection modules.

[0037] 5. Electrolyte is metered using a flow meter and control valve. After metering, the electrolyte undergoes multiple vacuum air circulations through a vacuum cup before being fully injected into the battery.

[0038] 6. It achieves unmanned operation, has a high degree of automation, a compact structure, and a small footprint.

[0039] Furthermore, a central column 116 is provided at the axis of the rotating worktable 101, and an acid pipeline rotary joint 117 is provided at the top of the central column 116.

[0040] In this embodiment, a rotary joint is required to ensure that the wires do not tangle during rotation.

[0041] The above description is only a specific embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A disc-type rotary vacuum filling system for lead-acid batteries, characterized in that, The device includes a rotating worktable with multiple injection stations arranged in a ring. Each injection station holds and fixes a set of lead-acid batteries. An infeed conveyor belt and an outfeed conveyor belt are provided on one side of the rotating worktable. An injection module is located above each injection station. During operation, the rotating worktable rotates, and the feeding conveyor belt transports lead-acid batteries to be clamped by the liquid injection station in sequence. During the rotation of the rotating worktable, each liquid injection module injects acid into each group of lead-acid batteries. When the lead-acid batteries reach the discharge conveyor belt, they are pushed out and transported away.

2. The lead-acid battery disc rotary vacuum filling system according to claim 1, characterized in that, A feeding push cylinder is installed on one side of the feeding conveyor belt, and a loading platform is installed parallel to it on the other side. A loading push cylinder is installed on the loading platform. During feeding, multiple sets of lead-acid batteries are conveyed on the feeding conveyor belt and attached end to end. The feeding push cylinder pushes a single set of lead-acid batteries to the feeding platform in sequence, and then pushes the set of lead-acid batteries to the liquid injection station.

3. The lead-acid battery disc rotary vacuum filling system according to claim 1, characterized in that, One end of the injection station has a horn-shaped clamping port, and a discharge pushing cylinder is provided on the back of the horn-shaped clamping port. The width of the inner side of the horn-shaped clamping port is slightly larger than the width of the lead-acid battery. During feeding, the horn-shaped clamping port is used to limit the lead-acid battery. During discharging, the discharging push cylinder pushes the horn-shaped clamping port, thereby moving the lead-acid battery to the discharging conveyor belt.

4. The lead-acid battery disc rotary vacuum filling system according to claim 1, characterized in that, The rotating worktable is driven by a stepper motor located at the bottom. Each time the stepper motor rotates, it causes the rotating worktable to rotate by an angle of 360° / the total number of liquid injection stations. The discharge conveyor belt receives the lead-acid batteries at the last liquid injection station.

5. The lead-acid battery disc rotary vacuum filling system according to claim 4, characterized in that, The liquid injection station is provided with 18 stations. The rotating worktable rotates 20° each time, with each rotation lasting 2 seconds and each dwell time lasting 1.3 seconds. During the dwell time, loading and unloading are performed once.

6. The lead-acid battery disc rotary vacuum filling system according to claim 1, characterized in that, The liquid injection module includes, in sequence: a liquid injection mold for injecting liquid into a lead-acid battery, a liquid injection vacuum cup connected to the liquid injection mold, and a flow control valve connected to the liquid injection vacuum cup.

7. The lead-acid battery disc-type rotary vacuum filling system according to claim 6, characterized in that, A flow meter is installed above the flow control valve.

8. The lead-acid battery disc rotary vacuum filling system according to claim 6, characterized in that, The rotating worktable has a central column at its axis, and an acid pipeline rotary joint is provided on the top of the central column.

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