CN115301823A - A multi-step micro deep drawing process - Google Patents
A multi-step micro deep drawing process Download PDFInfo
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- CN115301823A CN115301823A CN202210947310.9A CN202210947310A CN115301823A CN 115301823 A CN115301823 A CN 115301823A CN 202210947310 A CN202210947310 A CN 202210947310A CN 115301823 A CN115301823 A CN 115301823A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000011888 foil Substances 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 2
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910001257 Nb alloy Inorganic materials 0.000 claims description 2
- 229910001362 Ta alloys Inorganic materials 0.000 claims description 2
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910000756 V alloy Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000010955 niobium Substances 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D33/00—Special measures in connection with working metal foils, e.g. gold foils
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Abstract
Description
技术领域technical field
本发明涉及金属微成形技术领域，具体涉及一种多步微拉深成形工艺。The invention relates to the technical field of metal micro-forming, in particular to a multi-step micro-drawing forming process.
背景技术Background technique
随着智能化的不断深入以及高精尖微机电系统(Micro-electromechanicalsystem，MEMS)的飞速发展，产品的微型化已成为不可阻挡的趋势。微拉深作为微成形加工技术中的重要方法之一，兼具效率高、成本低及可实现批量生产等优点，在金属杯形微型件制备方面显现出巨大的应用潜力。With the continuous deepening of intelligence and the rapid development of high-precision micro-electromechanical systems (MEMS), the miniaturization of products has become an irresistible trend. Micro-deep drawing, as one of the important methods in micro-forming processing technology, has the advantages of high efficiency, low cost and mass production, and shows great application potential in the preparation of metal cup-shaped micro-parts.
多步微拉深成形是将零件的变形总量进行分配，每一步微拉深完成一部分变形量，经过多步微拉深，可制备单步微拉深无法成形的微型件。多步微拉深成形对于制备大拉深比金属薄壁管状微型件具有重要意义，但是，目前金属箔材尚难以采用多步微拉深工艺来制备微型件。Multi-step micro-drawing is to distribute the total amount of deformation of the part, and each step of micro-drawing completes a part of the deformation. After multi-step micro-drawing, micro-parts that cannot be formed by single-step micro-drawing can be prepared. Multi-step micro-deep drawing is of great significance for the preparation of thin-walled tubular micro-parts with large drawing ratio. However, it is still difficult to prepare micro-parts by multi-step micro-deep drawing process for metal foil materials.
发明内容Contents of the invention
针对现有技术中的不足，本发明的目的在于提供一种多步微拉深成形工艺。通过对金属箔材进行多步微拉深，获得大拉深比金属薄壁管状微型成品件。Aiming at the deficiencies in the prior art, the object of the present invention is to provide a multi-step micro-drawing forming process. Through multi-step micro-drawing of the metal foil, a thin-walled tubular micro-finished product with a large drawing ratio is obtained.
为实现上述目的，本发明是通过以下技术方案来实现：To achieve the above object, the present invention is achieved through the following technical solutions:
一种多步微拉深成形工艺，包括以下步骤：A multi-step micro-deep drawing process, comprising the following steps:
步骤1：将金属箔材表面清洗干净备用；Step 1: Clean the surface of the metal foil for later use;
步骤2：将步骤1中清洗干净的金属箔材置于凸模与凹模之间，并通过调整垫片厚度使凹模与压边圈之间预留一部分间隙，使凸模向下运动完成第一步微拉深，得到成形后的杯形微型件A；Step 2: Put the metal foil cleaned in step 1 between the punch and the die, and adjust the thickness of the gasket to reserve a part of the gap between the die and the blank holder, so that the punch moves downward to complete The first step is micro-drawing to obtain the formed cup-shaped miniature part A;
步骤3：将步骤2中成形后的杯形微型件A进行超声清洗；Step 3: Ultrasonic cleaning the cup-shaped micro-part A formed in step 2;
步骤4：更换凸模，同时调整凸模与凹模之间的间隙，将步骤3中清洗后的杯形微型件A置于定位槽内，使凸模向下运动完成第二步微拉深，得到成形后的杯形微型件B；Step 4: Replace the punch, adjust the gap between the punch and the die at the same time, place the cup-shaped miniature part A cleaned in step 3 in the positioning groove, and move the punch downward to complete the second step of micro-drawing , to obtain the formed cup-shaped micro-part B;
步骤5：重复步骤3并参照步骤4的方法，分别进行第三步、第四步……第n步微拉深；Step 5: Repeat step 3 and refer to the method of step 4, respectively carry out the third step, the fourth step...the nth step of micro-drawing;
步骤6：对n步微拉深结束后的杯形微型件进行超声清洗，最终得到杯形微型成品件。Step 6: Ultrasonic cleaning is performed on the cup-shaped miniature parts after n steps of micro-drawing, and finally a cup-shaped miniature finished part is obtained.
作为优选，所述步骤1中金属箔材的厚度为20～50μm。Preferably, the thickness of the metal foil in the step 1 is 20-50 μm.
作为优选，所述步骤1中金属箔材为不锈钢、钛、铜、镁、铝、钽、铌、钒、钼、钛合金、铜合金、镁合金、铝合金、钽合金、铌合金、钒合金以及钼合金的中的一种或两种及以上的组合。Preferably, the metal foil in step 1 is stainless steel, titanium, copper, magnesium, aluminum, tantalum, niobium, vanadium, molybdenum, titanium alloy, copper alloy, magnesium alloy, aluminum alloy, tantalum alloy, niobium alloy, vanadium alloy And one or a combination of two or more of molybdenum alloys.
作为优选，所述步骤2中凹模与压边圈之间的间隙大于金属箔材的厚度。Preferably, the gap between the die and the blank holder in step 2 is greater than the thickness of the metal foil.
作为优选，所述步骤1中的清洗具体为：使用无水乙醇进行清洗。Preferably, the cleaning in step 1 is specifically: cleaning with absolute ethanol.
作为优选，所述步骤3、步骤6中的超声清洗具体为：使用无水乙醇进行超声清洗。As a preference, the ultrasonic cleaning in steps 3 and 6 specifically includes: using absolute ethanol for ultrasonic cleaning.
与现有技术相比，本发明的有益效果如下：Compared with the prior art, the beneficial effects of the present invention are as follows:
1、本发明对金属箔材进行多步微拉深，可成形单步微拉深无法形成的杯形微型件。1. The present invention performs multi-step micro-drawing on the metal foil to form cup-shaped miniature parts that cannot be formed by single-step micro-drawing.
2、本发明可减少杯形微型件的起皱、开裂问题，提高杯形微型件的力学性能。2. The present invention can reduce the problems of wrinkling and cracking of cup-shaped micro-parts, and improve the mechanical properties of cup-shaped micro-parts.
附图说明Description of drawings
图1是第一步微拉深的工艺流程示意图。Figure 1 is a schematic diagram of the process flow of the first step of micro-deep drawing.
图2是第n步微拉深的工艺流程示意图(n≥2)。Fig. 2 is a schematic diagram of the process flow of micro-drawing in the nth step (n≥2).
图3是第n步微拉深后的杯形微型件(n≥2)。Fig. 3 is the cup-shaped micro-part (n≥2) after the micro-drawing of the nth step.
具体实施方式Detailed ways
以下所述实例以本发明技术方案为前提进行实施，给出了详细的实施方式和具体的操作过程，但并不限制本发明专利的保护范围，凡采用等同替换或等效变换的形式所获得的技术方案，均应落在本发明的保护范围之内。The following examples are implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operation processes are provided, but it does not limit the protection scope of the patent of the present invention. All technical solutions should fall within the protection scope of the present invention.
实施例1Example 1
如图1、2、3所示，一种多步微拉深成形工艺，包括以下步骤：As shown in Figures 1, 2, and 3, a multi-step micro-drawing forming process includes the following steps:
步骤1，将厚度为20μm的T2紫铜箔材表面用无水乙醇清洗干净备用；Step 1, clean the surface of the T2 copper foil with a thickness of 20 μm with absolute ethanol for later use;
步骤2，将步骤1中清洗干净的T2紫铜箔材置于凸模与凹模之间，并通过调整垫片厚度使凹模与压边圈之间预留25μm间隙，使凸模向下运动完成第一步微拉深，得到成形后的杯形微型件A；Step 2, place the T2 copper foil cleaned in step 1 between the punch and the die, and adjust the thickness of the gasket to reserve a gap of 25 μm between the die and the blank holder, so that the punch moves downward Complete the first step of micro-drawing to obtain the formed cup-shaped micro-part A;
步骤3，将步骤2中成形后的杯形微型件A用无水乙醇进行超声清洗；Step 3, ultrasonically cleaning the cup-shaped micro-part A formed in step 2 with absolute ethanol;
步骤4，更换凸模，同时调整凸模与凹模之间的间隙，将步骤3中清洗后的杯形微型件A置于定位槽内，使凸模向下运动完成第二步微拉深，得到成形后的杯形微型件B；Step 4, replace the punch, adjust the gap between the punch and the die at the same time, place the cup-shaped miniature part A cleaned in step 3 in the positioning groove, and move the punch downward to complete the second step of micro-drawing , to obtain the formed cup-shaped micro-part B;
步骤5，重复步骤3并参照步骤4的方法，分别进行第三步、第四步……第n步微拉深；Step 5, repeat step 3 and refer to the method of step 4, respectively carry out the third step, the fourth step...the nth step of micro-drawing;
步骤6，对n步微拉深结束后的杯形微型件进行超声清洗，最终得到杯形微型成品件。Step 6: Ultrasonic cleaning is performed on the cup-shaped miniature parts after n steps of micro-drawing, and finally a cup-shaped miniature finished part is obtained.
实施例2Example 2
如图1、2、3所示，一种多步微拉深成形工艺，包括以下步骤：As shown in Figures 1, 2, and 3, a multi-step micro-drawing forming process includes the following steps:
步骤1，将厚度为30μm的304奥氏体不锈钢箔材表面用无水乙醇清洗干净备用；Step 1, the surface of the 304 austenitic stainless steel foil with a thickness of 30 μm is cleaned with absolute ethanol for later use;
步骤2，将步骤1中清洗干净的304奥氏体不锈钢箔材置于凸模与凹模之间，并通过调整垫片厚度使凹模与压边圈之间预留35μm间隙，使凸模向下运动完成第一步微拉深，得到成形后的杯形微型件A；Step 2, place the 304 austenitic stainless steel foil cleaned in step 1 between the punch and the die, and adjust the thickness of the gasket to reserve a gap of 35 μm between the die and the blank holder, so that the punch Move downward to complete the first step of micro-drawing, and obtain the formed cup-shaped miniature part A;
步骤3，将步骤2中成形后的杯形微型件A用无水乙醇进行超声清洗；Step 3, ultrasonically cleaning the cup-shaped micro-part A formed in step 2 with absolute ethanol;
步骤4，更换凸模，同时调整凸模与凹模之间的间隙，将步骤3中清洗后的杯形微型件A置于定位槽内，使凸模向下运动完成第二步微拉深，得到成形后的杯形微型件B；Step 4, replace the punch, adjust the gap between the punch and the die at the same time, place the cup-shaped miniature part A cleaned in step 3 in the positioning groove, and move the punch downward to complete the second step of micro-drawing , to obtain the formed cup-shaped micro-part B;
步骤5，重复步骤3并参照步骤4的方法，分别进行第三步、第四步……第n步微拉深；Step 5, repeat step 3 and refer to the method of step 4, respectively carry out the third step, the fourth step...the nth step of micro-drawing;
步骤6，对n步微拉深结束后的杯形微型件进行超声清洗，最终得到杯形微型成品件。Step 6: Ultrasonic cleaning is performed on the cup-shaped miniature parts after n steps of micro-drawing, and finally a cup-shaped miniature finished part is obtained.
实施例3Example 3
如图1、2、3所示，一种多步微拉深成形工艺，包括以下步骤：As shown in Figures 1, 2, and 3, a multi-step micro-drawing forming process includes the following steps:
步骤1，将厚度为50μm的430铁素体不锈钢箔材表面用无水乙醇清洗干净备用；Step 1, the surface of the 430 ferritic stainless steel foil with a thickness of 50 μm is cleaned with absolute ethanol for later use;
步骤2，将步骤1中清洗干净的430铁素体不锈钢箔材置于凸模与凹模之间，并通过调整垫片厚度使凹模与压边圈之间预留55μm间隙，使凸模向下运动完成第一步微拉深，得到成形后的杯形微型件A；Step 2, place the 430 ferritic stainless steel foil cleaned in step 1 between the punch and the die, and adjust the thickness of the gasket to reserve a gap of 55 μm between the die and the blank holder, so that the punch Move downward to complete the first step of micro-drawing, and obtain the formed cup-shaped miniature part A;
步骤3，将步骤2中成形后的杯形微型件A用无水乙醇进行超声清洗；Step 3, ultrasonically cleaning the cup-shaped micro-part A formed in step 2 with absolute ethanol;
步骤4，更换凸模，同时调整凸模与凹模之间的间隙，将步骤3中清洗后的杯形微型件A置于定位槽内，使凸模向下运动完成第二步微拉深，得到成形后的杯形微型件B；Step 4, replace the punch, adjust the gap between the punch and the die at the same time, place the cup-shaped miniature part A cleaned in step 3 in the positioning groove, and move the punch downward to complete the second step of micro-drawing , to obtain the formed cup-shaped micro-part B;
步骤5，重复步骤3并参照步骤4的方法，分别进行第三步、第四步……第n步微拉深；Step 5, repeat step 3 and refer to the method of step 4, respectively carry out the third step, the fourth step...the nth step of micro-drawing;
步骤6，对n步微拉深结束后的杯形微型件进行超声清洗，最终得到杯形微型成品件。Step 6: Ultrasonic cleaning is performed on the cup-shaped miniature parts after n steps of micro-drawing, and finally a cup-shaped miniature finished part is obtained.
实施例4Example 4
如图1、2、3所示，一种多步微拉深成形工艺，包括以下步骤：As shown in Figures 1, 2, and 3, a multi-step micro-drawing forming process includes the following steps:
步骤1，将厚度为50μm的铜/铝复合箔材表面用无水乙醇清洗干净备用；Step 1, cleaning the surface of the copper/aluminum composite foil with a thickness of 50 μm with absolute ethanol for later use;
步骤2，将步骤1中清洗干净的铜/铝复合箔材置于凸模与凹模之间，并通过调整垫片厚度使凹模与压边圈之间预留55μm间隙，使凸模向下运动完成第一步微拉深，得到成形后的杯形微型件A；Step 2, place the copper/aluminum composite foil cleaned in step 1 between the punch and the die, and adjust the thickness of the gasket to reserve a gap of 55 μm between the die and the blank holder, so that the punch The lower motion completes the first step of micro-drawing to obtain the formed cup-shaped micro-part A;
步骤3，将步骤2中成形后的杯形微型件A用无水乙醇进行超声清洗；Step 3, ultrasonically cleaning the cup-shaped micro-part A formed in step 2 with absolute ethanol;
步骤4，更换凸模，同时调整凸模与凹模之间的间隙，将步骤3中清洗后的杯形微型件A置于定位槽内，使凸模向下运动完成第二步微拉深，得到成形后的杯形微型件B；Step 4, replace the punch, adjust the gap between the punch and the die at the same time, place the cup-shaped miniature part A cleaned in step 3 in the positioning groove, and move the punch downward to complete the second step of micro-drawing , to obtain the formed cup-shaped micro-part B;
步骤5，重复步骤3并参照步骤4的方法，分别进行第三步、第四步……第n步微拉深；Step 5, repeat step 3 and refer to the method of step 4, respectively carry out the third step, the fourth step...the nth step of micro-drawing;
步骤6，对n步微拉深结束后的杯形微型件进行超声清洗，最终得到杯形微型成品件。Step 6: Ultrasonic cleaning is performed on the cup-shaped miniature parts after n steps of micro-drawing, and finally a cup-shaped miniature finished part is obtained.
实施例5Example 5
如图1、2、3所示，一种多步微拉深成形工艺，包括以下步骤：As shown in Figures 1, 2, and 3, a multi-step micro-drawing forming process includes the following steps:
步骤1，将厚度为50μm的铜/钢复合箔材表面用无水乙醇清洗干净备用；Step 1, cleaning the surface of the copper/steel composite foil with a thickness of 50 μm with absolute ethanol for later use;
步骤2，将步骤1中清洗干净的铜/钢复合箔材置于凸模与凹模之间，并通过调整垫片厚度使凹模与压边圈之间预留55μm间隙，使凸模向下运动完成第一步微拉深，得到成形后的杯形微型件A；Step 2, place the copper/steel composite foil cleaned in step 1 between the punch and the die, and adjust the thickness of the gasket to reserve a gap of 55 μm between the die and the blank holder, so that the punch will The lower motion completes the first step of micro-drawing to obtain the formed cup-shaped micro-part A;
步骤3，将步骤2中成形后的杯形微型件A用无水乙醇进行超声清洗；Step 3, ultrasonically cleaning the cup-shaped micro-part A formed in step 2 with absolute ethanol;
步骤4，更换凸模，同时调整凸模与凹模之间的间隙，将步骤3中清洗后的杯形微型件A置于定位槽内，使凸模向下运动完成第二步微拉深，得到成形后的杯形微型件B；Step 4, replace the punch, adjust the gap between the punch and the die at the same time, place the cup-shaped miniature part A cleaned in step 3 in the positioning groove, and move the punch downward to complete the second step of micro-drawing , to obtain the formed cup-shaped micro-part B;
步骤5，重复步骤3并参照步骤4的方法，分别进行第三步、第四步……第n步微拉深；Step 5, repeat step 3 and refer to the method of step 4, respectively carry out the third step, the fourth step...the nth step of micro-drawing;
步骤6，对n步微拉深结束后的杯形微型件进行超声清洗，最终得到杯形微型成品件。Step 6: Ultrasonic cleaning is performed on the cup-shaped miniature parts after n steps of micro-drawing, and finally a cup-shaped miniature finished part is obtained.
Claims (6)
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| JP2019058923A (en) * | 2017-09-26 | 2019-04-18 | 東洋製罐グループホールディングス株式会社 | Manufacturing method of aluminum container |
| CN110142332A (en) * | 2019-05-27 | 2019-08-20 | 大连理工大学 | An integrated method for forming and controlling NiAl alloy thin-walled pipe fittings |
| CN112620488A (en) * | 2020-12-16 | 2021-04-09 | 西部超导材料科技股份有限公司 | Ti3Al laminated composite board and preparation method thereof |
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| JPS5346472A (en) * | 1976-10-08 | 1978-04-26 | Tokyo Shibaura Electric Co | Method of fabricating extremely thin cylindrical parts |
| US5179854A (en) * | 1989-05-17 | 1993-01-19 | Toy Seikan Kaisha Ltd. | Process for production of draw-ironed can |
| JP2003053438A (en) * | 2001-08-10 | 2003-02-26 | Showa Denko Kk | Overhang molding method and container |
| CN103084466A (en) * | 2013-01-31 | 2013-05-08 | 深圳大学 | Method of flexible punch head ultrasonic micro deep drawing step-by-step molding and device thereof |
| JP2019058923A (en) * | 2017-09-26 | 2019-04-18 | 東洋製罐グループホールディングス株式会社 | Manufacturing method of aluminum container |
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