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Pasting method of punching net grid for lead-acid storage battery

A technology of lead-acid batteries and grids, which is applied in coatings, electrode carriers/collectors, devices for coating liquid on the surface, etc., and can solve problems such as the difficulty in combining lead paste with the grid surface

Pending Publication Date: 2020-10-20
ANHUI CHAOWEI POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the denser microscopic crystal structure formed by rolling, the punched grid has better corrosion resistance than the traditional gravity cast grid, but it also makes it more difficult to combine the lead paste with the surface of the grid, so it needs to be solved Combination problem of grid and lead paste

Method used

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  • Pasting method of punching net grid for lead-acid storage battery
  • Pasting method of punching net grid for lead-acid storage battery
  • Pasting method of punching net grid for lead-acid storage battery

Examples

Experimental program
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Effect test

Embodiment 1

[0021] A paste coating method for punching grids for lead-acid batteries includes the following steps:

[0022] Step 1. The whole lead strip with a certain thickness is then punched to form a continuous grid strip with a punch, and the grid strip is wound into a roll;

[0023] Step 2, such as figure 1 As shown, the wound grid tape 1 is placed on the support frame 2 for unwinding, and then the unrolled grid tape 1 is horizontally conveyed to the paste coating machine 3, and the grid tape is placed on the support frame 2 A water tank 4 is arranged between the paste coating machine 3 and the water tank 4 is filled with sodium hydroxide solution, so that the part of the grid strip 1 on the water tank is bent down, and part of the body of the grid strip 1 is sunk into the water tank 4 It is filled with sodium hydroxide solution, so that the surface of the continuously conveyed grid strip 1 is soaked with sodium hydroxide solution after passing through the water tank 4; from the grid str...

Embodiment 2

[0026] A paste coating method for punching grids for lead-acid batteries includes the following steps:

[0027] Step 1. The whole lead strip with a certain thickness is then punched to form a continuous grid strip with a punch, and the grid strip is wound into a roll;

[0028] Step 2, such as figure 2 As shown, the wound grid tape 1 is placed on the support frame 2 for unwinding, and then the unrolled grid tape 1 is horizontally conveyed to the paste coating machine 3, and the grid tape is placed on the support frame 2 A water tank 4 is installed between the paste coating machine 3 and the water tank 4 is filled with sodium hydroxide solution, so that spray heads 6 are provided above and below the part of the grid strip 1 on the water tank 4, and the spraying directions of the spray heads 6 are respectively facing On the upper and lower surfaces of the grid strip 1, the nozzle 6 sprays sodium hydroxide solution on the upper and lower surfaces of the grid strip, so that the continu...

Embodiment 3

[0031] A paste coating method for punching grids for lead-acid batteries includes the following steps:

[0032] Step 1. The whole lead strip with a certain thickness is then punched to form a continuous grid strip with a punch, and the grid strip is wound into a roll;

[0033] Step 2, such as image 3 As shown, the wound grid tape 1 is placed on the support frame 2 for unwinding, and then the unrolled grid tape 2 is horizontally conveyed to the paste coating machine 3, and the grid tape is placed on the support frame 2 A brushing device is arranged between the coating machine 3 and the coating device. The brushing device includes an upper brushing wheel 6 and a lower brushing wheel 7. The surfaces of the upper brushing wheel 6 and the lower brushing wheel 7 are provided with bristles. The upper brushing wheel 6 is located above the grid belt 1 and the lower edge of the upper brushing wheel 6 abuts the upper surface of the grid belt 1; the lower brushing wheel 7 is located below the...

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Abstract

The invention discloses a pasting method of a punching net grid for a lead-acid storage battery. The method comprises the following steps: step 1, punching a whole lead belt with a certain thickness by a punching machine to form a continuous grid belt, and winding the grid belt into a roll; step 2, placing the wound grid belt on a support frame for unwinding, horizontally conveying the unwound grid belt into a pasting machine; drawing out a part between the support frame for placing the grid belt and the pasting machine from the grid belt, covering the upper surface and the lower surface of the grid belt with a sodium hydroxide solution to generate a sodium hydroxide aqueous solution thin layer on the surface of the grid belt, and then conveying the grid belt of which the upper surface andthe lower surface are covered with the sodium hydroxide solution into the pasting machine to be painted with lead paste; and step 3, slitting, collecting and curing the grid belt coated with the leadplaster to prepare a single grid. According to the invention, the binding force between the grid of the polar plate and the lead plaster is obviously enhanced.

Description

Technical field: [0001] The invention relates to the technical field of production of lead-acid battery pole plates, in particular to a paste coating method for punching grids of lead-acid batteries. Background technique: [0002] Currently, lead-acid batteries for power are mainly internalized into lead-calcium-tin grid batteries. Traditional gravity-cast grids are commonly used in the industry, but gravity-cast grids have poor corrosion resistance, which affects the cycle life performance of the battery. Leading companies in the industry have begun to gradually use punching technology to make grids. In the process of punching the grids, the casted thick lead strips are first rolled into a certain thickness of lead strips, and then passed through The punch is punched to form a continuous grid strip, and then lead paste is coated on the surface of the continuous grid strip, and then divided into individual punched grids. The punched mesh grid has a denser microcrystalline struc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/82H01M4/73B05B13/02B05C1/08B05C9/04
CPCH01M4/82H01M4/73B05B13/0278B05B13/0221B05C1/0826B05C9/04Y02E60/10
Inventor 包有富陈胜余有亮舒红群潘志刚陆春梅
Owner ANHUI CHAOWEI POWER
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