CN103243284B - High-temperature age hardening technique for lead-calcium alloy plate grid - Google Patents
High-temperature age hardening technique for lead-calcium alloy plate grid Download PDFInfo
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- CN103243284B CN103243284B CN201310116857.5A CN201310116857A CN103243284B CN 103243284 B CN103243284 B CN 103243284B CN 201310116857 A CN201310116857 A CN 201310116857A CN 103243284 B CN103243284 B CN 103243284B
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Abstract
The invention discloses a high-temperature age hardening technique for a lead-calcium alloy plate grid. The high-temperature age hardening technique comprises the following steps of: a) high-temperature recrystalization, namely placing a cast plate grid at an environment in which the temperature is 75-85 DEG C and the humidity is 65-80% for 5-20 hours; and b) natural cooling, namely placing the plate grid subjected to high-temperature recrystalization at an environment in which the room temperature of 20-30 DEG C and the humidity is small than 90% for more than 48 hours. Compared with an atmospheric age hardening technique of a lead-calcium alloy material storage battery plate grid in the prior art, the high-temperature age hardening technique for the lead-calcium alloy plate grid has the advantages that the age hardening time of the lead-calcium alloy material storage battery plate grid can be shortened within three days from half a month, and the strength of the plate grid is better.
Description
Technical field
The present invention relates to store battery manufacturing technology field, particularly relate to a kind of lead-calcium alloy slab lattice high-temperature aging hardening process.
Background technology
Lead-calcium alloy slab lattice initial hardness after cast molding is lower, be unfavorable for that the operation of follow-up coating lead plaster is carried out, and the performance of store battery can be affected not due to grid physical strength, need to place at normal temperatures and carry out hardening treatment in 10 to 15 days, make it to harden completely, follow-up processing operation could be carried out.Due to the excessive cycle of cold setting process, therefore inventory cost is higher, storage battery production efficiency is lower, therefore needs the battery grid for lead-calcium alloy material to develop suitable high-temperature aging hardening process, to shorten the age hardening time of lead-calcium alloy slab lattice.
Summary of the invention
The object of this invention is to provide a kind of lead-calcium alloy slab lattice high-temperature aging hardening process, the battery grid ambient cure technique of lead-calcium alloy material of the prior art of comparing, can shorten the age hardening time of the battery grid of lead-calcium alloy material greatly.
Technical solution of the present invention is:
A kind of lead-calcium alloy slab lattice high-temperature aging hardening process is provided, comprises step as follows:
A) high temperature re-crystallization: the grid of casting being placed in temperature is 75 DEG C ~ 85 DEG C, and humidity is place 5 ~ 20 hours in the environment of 65% ~ 80%;
B) naturally cooling: the grid through above-mentioned high temperature re-crystallization step is placed in 20 DEG C ~ 30 DEG C room temperatures, and humidity is less than placement more than 48 hours in the environment of 90%.
As the lead-calcium alloy slab lattice high-temperature aging hardening process that the present invention improves further, in described step a), the ambient moisture of high temperature re-crystallization is 70%.
As the lead-calcium alloy slab lattice high-temperature aging hardening process that the present invention improves further, in described step a), the time of high temperature re-crystallization is 8 ~ 10 hours.
As the lead-calcium alloy slab lattice high-temperature aging hardening process that the present invention improves further, in described step b), the time of naturally cooling is 48 hours.
Lead-calcium alloy slab lattice high-temperature aging hardening process provided by the present invention, to compare the battery grid room temperature ageing hardening process of lead-calcium alloy material of the prior art, the age hardening time of the battery grid of lead-calcium alloy material can be reduced in 3 days from two weeks, and the intensity of grid is more excellent.
Embodiment
In order to deepen the understanding of the present invention, be described in further detail the present invention below in conjunction with embodiment, this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
Embodiment one
Process the lead-calcium alloy slab lattice of 100 castings as follows:
A) high temperature re-crystallization: the grid of casting being placed in temperature is 85 DEG C, and humidity is place 5 hours in the environment of 65%;
B) naturally cooling: the grid through above-mentioned high temperature re-crystallization step is placed in 20 DEG C ~ 30 DEG C room temperatures, and humidity be less than in the environment of 90% place 48 hours.
Embodiment two
Process the lead-calcium alloy slab lattice of 100 castings as follows:
A) high temperature re-crystallization: the grid of casting being placed in temperature is 75 DEG C, and humidity is place 20 hours in the environment of 80%;
B) naturally cooling: the grid through above-mentioned high temperature re-crystallization step is placed in 20 DEG C ~ 30 DEG C room temperatures, and humidity be less than in the environment of 90% place 48 hours.
Embodiment three
Process the lead-calcium alloy slab lattice of 100 castings as follows:
A) high temperature re-crystallization: the grid of casting being placed in temperature is 80 DEG C, and humidity is place 8 hours in the environment of 70%;
B) naturally cooling: the grid through above-mentioned high temperature re-crystallization step is placed in 20 DEG C ~ 30 DEG C room temperatures, and humidity be less than in the environment of 90% place 48 hours.
Embodiment four
Process the lead-calcium alloy slab lattice of 100 castings as follows:
A) high temperature re-crystallization: the grid of casting being placed in temperature is 80 DEG C, and humidity is place 10 hours in the environment of 70%;
B) naturally cooling: the grid through above-mentioned high temperature re-crystallization step is placed in 20 DEG C ~ 30 DEG C room temperatures, and humidity be less than in the environment of 90% place 48 hours.
The grid hardness of embodiment one to four meets the comparison of following process requirement:
The grid hardness of embodiment one 50 ~ 80% meets the requirement of following process; The grid of embodiment more than 2 95% meets the requirement of following process; The whole grid of embodiment three, embodiment four all meets the requirement of following process.
Claims (4)
1. lead-calcium alloy slab lattice high-temperature aging hardening process, is characterized in that: comprise step as follows:
A) high temperature re-crystallization: the grid of casting being placed in temperature is 75 DEG C ~ 85 DEG C, and humidity is place 5 ~ 20 hours in the environment of 65% ~ 80%;
B) naturally cooling: the grid through above-mentioned high temperature re-crystallization step is placed in 20 DEG C ~ 30 DEG C room temperatures, and humidity is less than placement more than 48 hours in the environment of 90%.
2. lead-calcium alloy slab lattice high-temperature aging hardening process according to claim 1, is characterized in that: in described step a), the ambient moisture of high temperature re-crystallization is 70%.
3. lead-calcium alloy slab lattice high-temperature aging hardening process according to claim 2, is characterized in that: in described step a), the time of high temperature re-crystallization is 8 ~ 10 hours.
4. lead-calcium alloy slab lattice high-temperature aging hardening process according to claim 1, is characterized in that: in described step b), the time of naturally cooling is 48 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310116857.5A CN103243284B (en) | 2013-04-07 | 2013-04-07 | High-temperature age hardening technique for lead-calcium alloy plate grid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310116857.5A CN103243284B (en) | 2013-04-07 | 2013-04-07 | High-temperature age hardening technique for lead-calcium alloy plate grid |
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| CN103243284A CN103243284A (en) | 2013-08-14 |
| CN103243284B true CN103243284B (en) | 2015-06-17 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435421B (en) * | 2016-10-20 | 2017-09-26 | 骆驼集团蓄电池研究院有限公司 | A kind of heat treatment method of positive pole. g., lead tape or grid |
| CN108149175B (en) * | 2017-11-29 | 2019-08-06 | 风帆有限责任公司 | A kind of aging treatment method for AGM battery grid |
| CN114107854A (en) * | 2021-11-08 | 2022-03-01 | 天能电池集团(马鞍山)新能源科技有限公司 | Lead-based mesh belt heat treatment method and automatic transmission system based on lead-based mesh belt heat treatment method |
| CN114883578B (en) * | 2022-05-09 | 2023-02-10 | 浙江天能汽车电池有限公司 | Preparation method of storage battery pole plate |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3987370B2 (en) * | 2002-04-18 | 2007-10-10 | 古河電池株式会社 | Positive electrode plate for lead acid battery and lead acid battery using the same |
| JP2004200028A (en) * | 2002-12-19 | 2004-07-15 | Furukawa Battery Co Ltd:The | Manufacturing method of lead acid storage battery electrode grid |
| JP5207708B2 (en) * | 2007-11-05 | 2013-06-12 | 古河電池株式会社 | Method for producing lead-based alloy substrate for lead battery |
| CN101728540A (en) * | 2009-11-09 | 2010-06-09 | 江苏贝思特动力电源有限公司 | Quick age-hardening method for grid of lead-acid accumulator |
| CN102324500A (en) * | 2011-07-28 | 2012-01-18 | 天能电池集团有限公司 | Heat treatment process of storage battery grid |
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Effective date of registration: 20191211 Address after: 556300 Development Zone of Taijiang County, Miao and Dong Autonomous Prefecture, Southeast Guizhou Province Patentee after: Tianneng group Guizhou Energy Technology Co., Ltd Address before: 241009 Anhui city of Wuhu Province, Wuhu economic and Technological Development Zone No. 1 Hubei Road Patentee before: Tianneng Battery (Wuhu) Co., Ltd. |
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