CN110682062A - Seamless anticorrosion filling type edge pressing process - Google Patents
Seamless anticorrosion filling type edge pressing process Download PDFInfo
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- CN110682062A CN110682062A CN201910983335.2A CN201910983335A CN110682062A CN 110682062 A CN110682062 A CN 110682062A CN 201910983335 A CN201910983335 A CN 201910983335A CN 110682062 A CN110682062 A CN 110682062A
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- edge pressing
- bending
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- filling
- pressing process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a seamless anticorrosion filling type edge pressing process, which comprises the following steps: a. selecting materials: selecting a cold-rolled sheet with the thickness of 0.1-10 mm as a base material; b. laser cutting and punching: processing the cold-rolled sheet into a required sheet by laser cutting equipment and punching equipment; c. bending: bending the plate by a bending machine to obtain a bent piece; d. and (3) pressing the edges: filling a filler at the bending position of a bent part, and then performing dead-edge pressing operation on the bending machine through a dead-edge pressing bending machine to obtain a semi-finished product; e. removing: after the semi-finished filling material is dried, scraping the overflowed filling material by using a knife or other tools; f. and (3) subsequent processing: and then electroplating and baking finish treatment are carried out to obtain a finished product of the sheet metal part. According to the invention, the mode of filling the filler into the bent part of the bent part is adopted, so that liquid can not enter the pressing seam in the subsequent processing and treatment steps, and the quality of the product is further ensured.
Description
Technical Field
The invention relates to the technical field of sheet metal processing, in particular to a seamless anticorrosion filling type edge pressing process.
Background
The sheet metal component is pressing behind the dead limit process, will carry out electroplating treatment, and during electroplating pretreatment process pickling or other derusting treatments, liquid can persist can't clear away completely in the seam of sheet metal component, when leading to electroplating and baking finish baking temperature to reach certain degree, be attached to the residue liquefaction that is the semi-condensation state in the seam of pressing and make electroplating layer and baking finish layer blistering, or oppress the bubble and directly flow out, lead to the unqualified product quality of sheet metal component or produce the quality risk.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the technical scheme adopted by the invention for solving the technical problem is as follows: a seamless anticorrosion filling type edge pressing process comprises the following steps:
a. selecting materials: selecting a cold-rolled sheet with the thickness of 0.1-10 mm as a base material;
b. laser cutting and punching: processing the cold-rolled sheet into a required sheet by laser cutting equipment and punching equipment;
c. bending: bending the plate by a bending machine to obtain a bent piece;
d. and (3) pressing the edges: filling a filler at the bending position of a bent part, and then performing dead-edge pressing operation on the bending machine through a dead-edge pressing bending machine to obtain a semi-finished product;
e. removing: after the semi-finished filling material is dried, scraping the overflowed filling material by using a knife or other tools;
f. and (3) subsequent processing: then electroplating and baking finish treatment are carried out to obtain a finished product of the sheet metal part;
the filler is a mixture of silicone gel, acetic acid and sodium silicate.
Preferably, the ratio of the silicone gel to the acetic acid to the sodium silicate is 50-70: 15-35: 40-60. Therefore, the filling material can be volatilized and dried quickly, and the ordered operation of the working procedures is ensured.
Preferably, in the removing step, the drying time of the filler is 3 to 15 minutes.
Preferably, the filler is silicone gel, acetic acid and sodium silicate which are mixed according to a certain proportion and then added into a stirring tank to be stirred for 0.5 to 2 hours.
Preferably, the stirring rate is 60 to 200 revolutions per minute.
Preferably, the temperature during stirring is 10 to 20 ℃. Therefore, the filling material can keep volatile substances to the maximum extent in the mixing process, and the drying and solidification before filling are avoided.
The invention has the beneficial effects that: according to the invention, the mode of filling the filler into the bent part of the bent part is adopted, so that liquid cannot enter the pressing seam in the subsequent processing and treatment steps, the formula of the filler also ensures the compactness of the pressing seam, the property change caused by heating cannot be caused in the subsequent treatment, and the product quality is further ensured.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the details of the description.
Example 1: a seamless anticorrosion filling type edge pressing process comprises the following steps:
a. selecting materials: selecting a cold-rolled sheet with the thickness of 0.8mm as a base material;
b. laser cutting and punching: processing the cold-rolled sheet into a required sheet by laser cutting equipment and punching equipment;
c. bending: bending the plate by a bending machine to obtain a bent piece;
d. and (3) pressing the edges: filling a filler at the bending position of a bent part, and then performing dead-edge pressing operation on the bending machine through a dead-edge pressing bending machine to obtain a semi-finished product;
e. removing: after the semi-finished filling material is dried, scraping the overflowed filling material by using a knife or other tools;
f. and (3) subsequent processing: then electroplating and baking finish treatment are carried out to obtain a finished product of the sheet metal part;
the filler is a mixture of silicone gel, acetic acid and sodium silicate.
The proportion of silicone gel, acetic acid and sodium silicate is 70: 15: 40.
in the removing step, the drying time of the filler was 3 minutes.
The filling material is silicone gel, acetic acid and sodium silicate which are mixed according to a certain proportion and then added into a stirring tank to be stirred for 2 hours.
The stirring rate was 60 revolutions per minute.
The temperature during stirring was 10 ℃.
Example 2: a seamless anticorrosion filling type edge pressing process comprises the following steps:
a. selecting materials: selecting a cold-rolled sheet with the thickness of 10mm as a base material;
b. laser cutting and punching: processing the cold-rolled sheet into a required sheet by laser cutting equipment and punching equipment;
c. bending: bending the plate by a bending machine to obtain a bent piece;
d. and (3) pressing the edges: filling a filler at the bending position of a bent part, and then performing dead-edge pressing operation on the bending machine through a dead-edge pressing bending machine to obtain a semi-finished product;
e. removing: after the semi-finished filling material is dried, scraping the overflowed filling material by using a knife or other tools;
f. and (3) subsequent processing: then electroplating and baking finish treatment are carried out to obtain a finished product of the sheet metal part;
the filler is a mixture of silicone gel, acetic acid and sodium silicate.
The proportion of silicone gel, acetic acid and sodium silicate is 50: 35: 60.
in the removing step, the drying time of the filler was 15 minutes.
The filling material is silicone gel, acetic acid and sodium silicate which are mixed according to a certain proportion and then added into a stirring tank to be stirred for 2 hours.
The stirring rate was 200 revolutions per minute.
The temperature during stirring was 20 ℃.
Example 3: a seamless anticorrosion filling type edge pressing process comprises the following steps:
a. selecting materials: selecting a cold-rolled sheet with the thickness of 5mm as a base material;
b. laser cutting and punching: processing the cold-rolled sheet into a required sheet by laser cutting equipment and punching equipment;
c. bending: bending the plate by a bending machine to obtain a bent piece;
d. and (3) pressing the edges: filling a filler at the bending position of a bent part, and then performing dead-edge pressing operation on the bending machine through a dead-edge pressing bending machine to obtain a semi-finished product;
e. removing: after the semi-finished filling material is dried, scraping the overflowed filling material by using a knife or other tools;
f. and (3) subsequent processing: then electroplating and baking finish treatment are carried out to obtain a finished product of the sheet metal part;
the filler is a mixture of silicone gel, acetic acid and sodium silicate.
The proportion of silicone gel, acetic acid and sodium silicate is 50: 15: 60.
in the removing step, the drying time of the filler is 10 minutes.
The filling material is silicone gel, acetic acid and sodium silicate which are mixed according to a certain proportion and then added into a stirring tank to be stirred for 1 hour.
The stirring rate was 100 revolutions per minute.
The temperature during stirring was 15 ℃.
Example 4: a seamless anticorrosion filling type edge pressing process comprises the following steps:
a. selecting materials: selecting a cold-rolled sheet with the thickness of 3mm as a base material;
b. laser cutting and punching: processing the cold-rolled sheet into a required sheet by laser cutting equipment and punching equipment;
c. bending: bending the plate by a bending machine to obtain a bent piece;
d. and (3) pressing the edges: filling a filler at the bending position of a bent part, and then performing dead-edge pressing operation on the bending machine through a dead-edge pressing bending machine to obtain a semi-finished product;
e. removing: after the semi-finished filling material is dried, scraping the overflowed filling material by using a knife or other tools;
f. and (3) subsequent processing: then electroplating and baking finish treatment are carried out to obtain a finished product of the sheet metal part;
the filler is a mixture of silicone gel, acetic acid and sodium silicate.
The proportion of silicone gel, acetic acid and sodium silicate is 60: 35: 50.
in the removing step, the drying time of the filler was 5 minutes.
The filling material is silicone gel, acetic acid and sodium silicate which are mixed according to a certain proportion and then added into a stirring tank to be stirred for 1 hour.
The stirring rate was 100 revolutions per minute.
The temperature during stirring was 20 ℃.
Example 5: a seamless anticorrosion filling type edge pressing process comprises the following steps:
a. selecting materials: selecting a cold-rolled sheet with the thickness of 2mm as a base material;
b. laser cutting and punching: processing the cold-rolled sheet into a required sheet by laser cutting equipment and punching equipment;
c. bending: bending the plate by a bending machine to obtain a bent piece;
d. and (3) pressing the edges: filling a filler at the bending position of a bent part, and then performing dead-edge pressing operation on the bending machine through a dead-edge pressing bending machine to obtain a semi-finished product;
e. removing: after the semi-finished filling material is dried, scraping the overflowed filling material by using a knife or other tools;
f. and (3) subsequent processing: then electroplating and baking finish treatment are carried out to obtain a finished product of the sheet metal part;
the filler is a mixture of silicone gel, acetic acid and sodium silicate.
The proportion of silicone gel, acetic acid and sodium silicate is 70: 35: 40.
in the removing step, the drying time of the filler is 10 minutes.
The filling material is silicone gel, acetic acid and sodium silicate which are mixed according to a certain proportion and then added into a stirring tank to be stirred for 1.5 h.
The stirring rate was 160 revolutions per minute.
The temperature during stirring was 10 ℃.
Example 6: a seamless anticorrosion filling type edge pressing process comprises the following steps:
a. selecting materials: selecting a cold-rolled sheet with the thickness of 30mm as a base material;
b. laser cutting and punching: processing the cold-rolled sheet into a required sheet by laser cutting equipment and punching equipment;
c. bending: bending the plate by a bending machine to obtain a bent piece;
d. and (3) pressing the edges: carrying out the dead-edge pressing operation on the bending machine through a dead-edge pressing bending machine to obtain a semi-finished product;
e. removing: after the semi-finished filling material is dried, scraping the overflowed filling material by using a knife or other tools;
f. and (3) subsequent processing: and then electroplating and baking finish treatment are carried out to obtain a finished product of the sheet metal part.
Table 1 comparison of physicochemical properties in examples 1 to 6:
| salt spray for 48 hours | |
| Example 1 | No rust, white spot and corrosion |
| Example 2 | No rust, white spot and corrosion |
| Example 3 | No rust, white spot and corrosion |
| Example 4 | No rust, white spot and corrosion |
| Example 5 | No rust, white spot and corrosion |
| Example 6 | Slight corrosion, corrosion and white spot |
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (6)
1. A seamless anticorrosion filling type edge pressing process is characterized in that: the method comprises the following steps:
a. selecting materials: selecting a cold-rolled sheet with the thickness of 0.1-10 mm as a base material;
b. laser cutting and punching: processing the cold-rolled sheet into a required sheet by laser cutting equipment and punching equipment;
c. bending: bending the plate by a bending machine to obtain a bent piece;
d. and (3) pressing the edges: filling a filler at the bending position of a bent part, and then performing dead-edge pressing operation on the bending machine through a dead-edge pressing bending machine to obtain a semi-finished product;
e. removing: after the semi-finished filling material is dried, scraping the overflowed filling material by using a knife or other tools;
f. and (3) subsequent processing: then electroplating and baking finish treatment are carried out to obtain a finished product of the sheet metal part;
the filling material is a mixture of silicone gel, acetic acid and sodium silicate.
2. The seamless anticorrosion filling type edge pressing process according to claim 1, which is characterized in that: the proportion of the silicone gel, the acetic acid and the sodium silicate is 50-70: 15-35: 40-60.
3. The seamless anticorrosion filling type edge pressing process according to claim 1, which is characterized in that: in the removing step, the drying time of the filler is 3 to 15 minutes.
4. The seamless anticorrosion filling type dead-edge pressing process according to claim 2, which is characterized in that: the filler is silicone gel, acetic acid and sodium silicate which are mixed according to a certain proportion and then added into a stirring tank to be stirred for 0.5 to 2 hours.
5. The seamless anticorrosion filling type dead-edge pressing process according to claim 4, which is characterized in that: the stirring speed is 60-200 revolutions per minute.
6. The seamless anticorrosion filling type dead-edge pressing process according to claim 5, which is characterized in that: the temperature during stirring is 10-20 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910983335.2A CN110682062A (en) | 2019-10-16 | 2019-10-16 | Seamless anticorrosion filling type edge pressing process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910983335.2A CN110682062A (en) | 2019-10-16 | 2019-10-16 | Seamless anticorrosion filling type edge pressing process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090165282A1 (en) * | 2007-12-28 | 2009-07-02 | Shu-Shan Tseng | Method of manufacturing a bezel for LCD/LED panel |
| CN104985392A (en) * | 2015-05-11 | 2015-10-21 | 成都翱岳钣金制造有限公司 | Process method for coating molding of metal sheet |
| CN106032578A (en) * | 2015-03-12 | 2016-10-19 | 株洲时代新材料科技股份有限公司 | A gap filling process preventing acid returning in galvanization |
| CN108691000A (en) * | 2017-03-31 | 2018-10-23 | 株式会社荏原制作所 | Coating method and plater |
| CN109514212A (en) * | 2019-01-28 | 2019-03-26 | 金恒山电气无锡有限公司 | A kind of flanging sheet metal component processing technology |
-
2019
- 2019-10-16 CN CN201910983335.2A patent/CN110682062A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090165282A1 (en) * | 2007-12-28 | 2009-07-02 | Shu-Shan Tseng | Method of manufacturing a bezel for LCD/LED panel |
| CN106032578A (en) * | 2015-03-12 | 2016-10-19 | 株洲时代新材料科技股份有限公司 | A gap filling process preventing acid returning in galvanization |
| CN104985392A (en) * | 2015-05-11 | 2015-10-21 | 成都翱岳钣金制造有限公司 | Process method for coating molding of metal sheet |
| CN108691000A (en) * | 2017-03-31 | 2018-10-23 | 株式会社荏原制作所 | Coating method and plater |
| CN109514212A (en) * | 2019-01-28 | 2019-03-26 | 金恒山电气无锡有限公司 | A kind of flanging sheet metal component processing technology |
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