CN105382107B - Sheet Metal Surface shaping and punching mold - Google Patents
Sheet Metal Surface shaping and punching mold Download PDFInfo
- Publication number
- CN105382107B CN105382107B CN201510967053.5A CN201510967053A CN105382107B CN 105382107 B CN105382107 B CN 105382107B CN 201510967053 A CN201510967053 A CN 201510967053A CN 105382107 B CN105382107 B CN 105382107B
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- punch
- pin
- cavity plate
- die
- stamping
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- 239000002184 metal Substances 0.000 title claims description 10
- 238000004080 punching Methods 0.000 title claims description 8
- 238000007493 shaping process Methods 0.000 title claims 4
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 7
- 230000000750 progressive effect Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
本发明涉及曲面成形加工模具技术领域，具体地说是一种板材曲面成形冲压模具，包括凸模(1)和凹模(2)，凸模(1)位于凹模(2)的上方，凸模(1)与凹模(2)的冲压面均为有弧度的弯曲面，凸模(1)与凹模(2)的冲压面相互啮合，凹模(2)上沿横向设置有凹槽(3)，凸模(1)的厚度小于凹槽(3)的槽宽，凹模(2)固定不动，凸模(1)沿纵向移动，凸模(1)与凹模(2)的宽度相同；本发明同现有技术相比，结构新颖、简单，设计合理，能够简化曲面板材的加工复杂程度，通过控制凸模的纵向运动幅度，实现板材的弯曲变形，配合多道次渐进成形方法，最终完成高精度工件的加工，大大降低了生产成本。
The invention relates to the technical field of molds for forming curved surfaces, in particular to a stamping mold for forming curved surfaces of sheet materials, comprising a punch (1) and a die (2), the punch (1) is located above the die (2), and the punch The stamping surfaces of the die (1) and the die (2) are both curved surfaces with radians, the stamping surfaces of the punch (1) and the die (2) mesh with each other, and the die (2) is provided with grooves along the transverse direction (3), the thickness of the punch (1) is smaller than the groove width of the groove (3), the die (2) is fixed, the punch (1) moves longitudinally, the punch (1) and the die (2) The same width; compared with the prior art, the present invention has a novel and simple structure and a reasonable design, which can simplify the processing complexity of the curved plate. The forming method finally completes the processing of high-precision workpieces, greatly reducing production costs.
Description
[技术领域][technical field]
本发明涉及曲面成形加工模具技术领域，具体地说是一种板材曲面成形冲压模具。The invention relates to the technical field of curved surface forming processing dies, in particular to a sheet metal curved surface forming stamping die.
[背景技术][Background technique]
目前，对于加工曲面板材工件，传统的方法都是采用直线凸模和直线凹摸的冲压模具进行成形，再利用后序工艺辅助加工实现目标工件的成形。该生产方式效率低，弯板质量无法保证，目前较多采用多点成型方法，其特点是上下调节多个按一定规则排列的冲头，构造出板材制品的曲面形状，通过上下动作完成板材制品的成型。然而，这种方法只适用于小批量，无法进行大批量生产，且生产成本过高，加工较为复杂，无法满足汽车、飞机、船舶等生产制造业可持续发展的战略需求。At present, for the processing of curved sheet metal workpieces, the traditional method is to use a linear punch and a linear concave stamping die for forming, and then use the subsequent process to assist the processing to achieve the forming of the target workpiece. This production method is inefficient, and the quality of the bent plate cannot be guaranteed. At present, the multi-point forming method is mostly used, which is characterized in that multiple punches arranged in a certain order are adjusted up and down to construct the curved surface shape of the plate product, and the plate product is completed by moving up and down. of molding. However, this method is only suitable for small batches and cannot be mass-produced, and the production cost is too high and the processing is relatively complicated, which cannot meet the strategic needs of sustainable development of manufacturing industries such as automobiles, aircraft, and ships.
[发明内容][Content of the invention]
本发明的目的就是要解决上述的不足而提供一种板材曲面成形冲压模具，能够简化曲面板材的加工复杂程度，通过控制凸模的纵向运动幅度，实现板材的弯曲变形，配合多道次渐进成形方法，最终完成高精度工件的加工，大大降低了生产成本。The purpose of the present invention is to solve the above-mentioned deficiencies and provide a sheet metal curved surface forming stamping die, which can simplify the processing complexity of the curved sheet metal, realize the bending deformation of the sheet metal by controlling the longitudinal movement range of the punch, and cooperate with multi-pass progressive forming method, and finally complete the processing of high-precision workpieces, greatly reducing production costs.
为实现上述目的设计一种板材曲面成形冲压模具，包括凸模1和凹模2，所述凸模1位于凹模2的上方，所述凸模1与凹模2的冲压面均为有弧度的弯曲面，所述凸模1与凹模2的冲压面相互啮合，所述凹模2上沿横向设置有凹槽3，所述凸模1的厚度小于凹槽3的槽宽，所述凹模2固定不动，所述凸模1沿纵向移动。In order to achieve the above purpose, a sheet metal curved surface forming stamping die is designed, including a punch 1 and a die 2, the punch 1 is located above the die 2, and the punching surfaces of the punch 1 and the die 2 are curved The curved surface of the punch 1 and the stamping surface of the die 2 mesh with each other, the die 2 is provided with a groove 3 along the transverse direction, the thickness of the punch 1 is smaller than the groove width of the groove 3, the The die 2 is fixed, and the punch 1 moves longitudinally.
所述凸模1与凹模2的宽度相同。The male die 1 has the same width as the female die 2 .
该板材曲面成形冲压模具的冲压方法，包括以下步骤：将凹模2固定在操作平台上，将板材工件置于凸模1与凹模2之间，凸模1在液压升降装置的带动下沿纵向移动，对工件进行冲压加工，通过调节凸模1移动量控制凸模1与凹模2的啮合度，同时依靠凸模1与凹模2的弧度，控制板材工件的弯曲曲率，随后经多道次渐进成形方法折弯成目标三维曲面工件。The stamping method of the sheet material curved surface forming stamping die includes the following steps: fixing the die 2 on the operating platform, placing the sheet material workpiece between the punch 1 and the die 2, and the punch 1 is driven by the hydraulic lifting device along the Longitudinal movement, punching the workpiece, by adjusting the movement of the punch 1 to control the degree of engagement between the punch 1 and the die 2, and relying on the radian of the punch 1 and the die 2 to control the bending curvature of the sheet workpiece, and then through multiple The step-by-pass incremental forming method is used to bend the workpiece into the target three-dimensional curved surface.
本发明同现有技术相比，具有如下优点：Compared with the prior art, the present invention has the following advantages:
(1)凸模与凹模的冲压面成一定弧度，且能够相互啮合，从而工件弯曲成形自然；(1) The stamping surface of the punch and the die forms a certain arc and can engage with each other, so that the workpiece is bent and formed naturally;
(2)凸模与凹模有相同的宽度，凸模的厚度小于凹模的槽宽，从而能够避免板材被凹模与凸模冲出压痕，保证了目标工件光滑；(2) The punch and the die have the same width, and the thickness of the punch is smaller than the groove width of the die, so that the plate can be prevented from being punched out by the die and the punch, and the target workpiece is smooth;
(3)能够简化曲面板材的加工复杂程度，通过控制凸模的纵向运动幅度，实现板材的弯曲变形，配合多道次渐进成形方法，最终完成高精度工件的加工；(3) It can simplify the processing complexity of the curved plate, realize the bending deformation of the plate by controlling the longitudinal movement range of the punch, cooperate with the multi-pass progressive forming method, and finally complete the processing of high-precision workpieces;
(4)通过调节凸模移动量控制凸凹模的啮合度，同时依靠凸凹模的弧度，实现控制板材的弯曲曲率；(4) Control the meshing degree of the punch and die by adjusting the movement amount of the punch, and at the same time rely on the radian of the punch and die to realize the control of the bending curvature of the plate;
(5)能够适用于大型船舶型线外板、飞机外板等产品的批量生产，可以使加工简易化，大大降低了生产成本。(5) It can be applied to mass production of products such as large-scale ship molded line outer panels and aircraft outer panels, which can simplify processing and greatly reduce production costs.
[附图说明][Description of drawings]
图1是本发明的立体结构示意图；Fig. 1 is the three-dimensional structure schematic diagram of the present invention;
图2是本发明的侧面结构示意图；Fig. 2 is a side structure schematic diagram of the present invention;
图3是本发明的正面结构示意图；Fig. 3 is the front structure schematic diagram of the present invention;
图中：1、凸模 2、凹模 3、凹槽。In the figure: 1. punch 2. die 3. groove.
[具体实施方式][Detailed ways]
下面结合附图对本发明作以下进一步说明：Below in conjunction with accompanying drawing, the present invention will be further described as follows:
如附图1至附图3所示，本发明提供了一种板材曲面成形冲压模具，包括凸模1和凹模2，凸模1位于凹模2的上方，凸模1与凹模2的冲压面均为有弧度的弯曲面，凸模1与凹模2的冲压面相互啮合，凹模2上沿横向设置有凹槽3，凸模1的厚度小于凹槽3的槽宽，凸模1与凹模2的宽度相同，凹模2固定不动，凸模1沿纵向移动。As shown in accompanying drawing 1 to accompanying drawing 3, the present invention provides a kind of sheet material curved surface forming stamping die, comprises punch 1 and die 2, and punch 1 is positioned at the top of die 2, and punch 1 and die 2 The stamping surfaces are all curved surfaces with radians. The stamping surfaces of the punch 1 and the die 2 mesh with each other. The die 2 is provided with a groove 3 along the transverse direction. 1 has the same width as the die 2, the die 2 is fixed, and the punch 1 moves longitudinally.
该板材曲面成形冲压模具的冲压方法，包括以下步骤：将凹模2固定在操作平台上，将板材工件置于凸模1与凹模2之间，凸模1在液压升降装置的带动下沿纵向移动，对工件进行冲压加工，通过调节凸模1移动量控制凸模1与凹模2的啮合度，同时依靠凸模1与凹模2的弧度，控制板材工件的弯曲曲率，随后经多道次渐进成形方法折弯成目标三维曲面工件。The stamping method of the sheet material curved surface forming stamping die includes the following steps: fixing the die 2 on the operating platform, placing the sheet material workpiece between the punch 1 and the die 2, and the punch 1 is driven by the hydraulic lifting device along the Longitudinal movement, punching the workpiece, by adjusting the movement of the punch 1 to control the degree of engagement between the punch 1 and the die 2, and relying on the radian of the punch 1 and the die 2 to control the bending curvature of the sheet workpiece, and then through multiple The step-by-pass incremental forming method is used to bend the workpiece into the target three-dimensional curved surface.
本发明中，凸模与凹模的冲压面成一定弧度，且能够相互啮合；凸模与凹模有相同的宽度，凸模的厚度小于凹模的槽宽。该模具设计能够简化曲面板材的加工复杂程度，通过控制凸模的纵向运动幅度，实现板材的弯曲变形，配合多道次渐进成形方法，最终完成高精度工件的加工。In the present invention, the stamping surfaces of the punch and the die form a certain radian and can engage with each other; the punch and the die have the same width, and the thickness of the punch is smaller than the groove width of the die. The mold design can simplify the processing complexity of the curved plate, and realize the bending deformation of the plate by controlling the longitudinal movement range of the punch, and cooperate with the multi-pass progressive forming method to finally complete the processing of high-precision workpieces.
本发明并不受上述实施方式的限制，其他的任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均应为等效的置换方式，都包含在本发明的保护范围之内。The present invention is not limited by the above-mentioned embodiments, and any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the present invention. within the scope of protection.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967053.5A CN105382107B (en) | 2015-12-21 | 2015-12-21 | Sheet Metal Surface shaping and punching mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967053.5A CN105382107B (en) | 2015-12-21 | 2015-12-21 | Sheet Metal Surface shaping and punching mold |
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| Publication Number | Publication Date |
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| CN105382107A CN105382107A (en) | 2016-03-09 |
| CN105382107B true CN105382107B (en) | 2018-08-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109794557A (en) * | 2017-11-17 | 2019-05-24 | 英业达科技有限公司 | Curved surface forming and riveting method |
| CN109365578B (en) * | 2018-09-12 | 2020-09-22 | 西安飞机工业（集团）有限责任公司 | Curved arc forming method for aluminum sheet |
| CN115138764A (en) * | 2022-08-17 | 2022-10-04 | 南京中车浦镇城轨车辆有限责任公司 | Drum-shaped rail vehicle camber beam forming device and method with arc length structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388987C (en) * | 2006-02-13 | 2008-05-21 | 安徽江淮汽车股份有限公司 | A compound stamping die for plate forming |
| JP4026154B2 (en) * | 2006-06-02 | 2007-12-26 | 内田工機株式会社 | Die set guide post positioning structure |
| CN202861190U (en) * | 2012-11-13 | 2013-04-10 | 泰州市宏伟工业炉设备有限公司 | Arched curved-surface work piece pressing forming die |
| CN202862338U (en) * | 2012-11-13 | 2013-04-10 | 泰州市宏伟工业炉设备有限公司 | Arched curved-surface work piece hydraulic pressing forming device |
| CN203380280U (en) * | 2013-08-06 | 2014-01-08 | 昆山达亚汽车零部件有限公司 | Crease-resistant stamping die |
| CN204584023U (en) * | 2014-12-18 | 2015-08-26 | 四川烨晶化工装备有限公司 | A kind of high accuracy handle makes mould |
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