CN102233381B - A kind of detection mould of many boss plane structural part deep drawing process - Google Patents
A kind of detection mould of many boss plane structural part deep drawing process Download PDFInfo
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- CN102233381B CN102233381B CN201010154711.6A CN201010154711A CN102233381B CN 102233381 B CN102233381 B CN 102233381B CN 201010154711 A CN201010154711 A CN 201010154711A CN 102233381 B CN102233381 B CN 102233381B
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Abstract
A kind of detection mould of many boss plane structural part deep drawing process.The buckling deformation degree of this detection mould structural member after stretched to different materials structural member, to obtain rational machined parameters.Comprise upper die and lower die, upper and lower mould is provided with the guidance set making both just right, the upper bolster of patrix is connected with elastic stripper, is provided with spring between upper bolster and elastic stripper; Upper and lower mould correspondence position is respectively equipped with punch assemblies, die assembly, punch assemblies and die assembly correspondence position are provided with multiple punch-head assembly, punch-head assembly comprise make structural member just one-step forming forming punching head assembly, by structural member pressing part and the not notch punches assembly that separates of pressing part and make structural member complete shaping reforming plunger assembly.Detection mould of the present invention can provide rational punching course for the actual production of structural member, makes to produce the requirement having precision and processing cost concurrently.
Description
Technical field
The present invention relates to a kind of detection mould, the buckling deformation degree of this detection mould structural member after stretched to different materials structural member, to obtain the detection mould of many boss plane structural part deep drawing process of rational machined parameters.
Background technology
Along with the development of national economy, the progress of product technology, LCD TV, air-conditioning and household electrical appliances such as grade have spread to huge numbers of families, the thing followed is fierce market competition, requirement for large-scale planar structural piece it is also proposed higher requirement, not only to alleviate structural design weight further, improve the economy of large-scale planar structural piece, and enough rigidity and precision will be ensured, drawing effect based on the large-scale planar structural piece with multiple asymmetric boss receives more concern, because these structural members should ensure its flatness while drawing, any twisted phenomena can not be had again, and these drawing major parts are integral drawings, its technical requirement is very high, difficulty is also self-evident.Therefore, various boss is in drawing process, and the deep-drawing technique between each operation of mould is just particularly important on the impact of material property, grasps this type of large-scale process of sheet drawing boss technique, control the buckling deformation after plate unloading, just can save a large amount of man power and materials in design and manufacture process.
Through finding the retrieval of prior art, the people such as Li Guang 15-18 deliver " sheet forming resilience feature and control technology [J] thereof " literary composition at " Automobile Technology and Material " 6 (2008), this article proposes a kind of removing method of sheet metal deep drawing residual stress, increase the convex hull shape (circular convex closure) of local on the surface of instrument during drawing and forming, the shape of increase is eliminated again when later process, residual stress in material is balanced change, to eliminate the buckling deformation after process of sheet drawing, ensure the flatness of product.The method needs first to increase single raise mould between drawing, and Mould Machining more complicated, cost is higher.
Summary of the invention:
The present invention is directed to the above-mentioned deficiency of prior art, there is provided a kind of detection mould with the large-scale planar structural piece deep-drawing technique size of multiple asymmetric boss, to ensure development size and the Design of Dies size of rational operational characteristic, drawing in type planar structural piece boss drawing process.Under required steel plate thickness, drawing is carried out by being achieved the drawing of same boss twice different size in one mould, under the prerequisite ensureing its flatness, avoid occurring that cracking, drawing are not in place and do not meet the situation such as tolerance dimension of workpiece requirement.
The present invention is achieved by the following scheme: the present invention includes upper die and lower die, and upper and lower mould is provided with the guidance set making both just right, the upper bolster of patrix is connected with elastic stripper, is provided with spring between upper bolster and elastic stripper; Upper and lower mould correspondence position is respectively equipped with punch assemblies, die assembly, punch assemblies and die assembly correspondence position are provided with multiple punch-head assembly, punch-head assembly comprise make structural member just one-step forming forming punching head assembly, by structural member pressing part and the not notch punches assembly that separates of pressing part and make structural member complete shaping reforming plunger assembly.
Described guidance set comprises the outer guidance set be arranged on upper and lower die holder and the interior guidance set be arranged in punch assemblies and die assembly.
Described outer guidance set comprises and is arranged on guide pillar on upper bolster and the corresponding guide pin bushing be arranged on die shoe; Described interior guidance set comprises the guide pillar be arranged in punch assemblies and the guide pin bushing be arranged in die assembly.
Guide pillar in described outer guidance set is rolling guide pillar, guide pin bushing is rolling bushing, and rolling guide pillar and rolling bushing are matched in clearance.
Guide pillar in described interior guidance set is slip guide pillar, guide pin bushing is sliding guide sleeve, and slip guide pillar and sliding guide sleeve are matched in clearance.
The mould structure that the present invention proposes can be used for large-scale planar structural piece different materials boss drawing for the impact of workpiece and the Deep-drawing property of boss to the change of actual size, the comparison of plurality of classes can be carried out under same operating, reduce inaccurate on blank size in actual production and impact that is that bring, the technical data obtained for arbitrary material significantly can improve the operating efficiency designing and process, and also provides a preferably selection scheme to the use of material.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
1. upper bolsters, 2. upper padding plate, 3. train wheel bridge, 4. baffle plate in figure, 5. elastic stripper, 6. lower bolster, 7. lower bolster, 8. die shoe, 9. spring, 10. punch assemblies, 11. contour screws, 12. forming punching head assemblies, 13. notch punches assemblies, 14. reforming plunger assemblies, 15. counterdie holding screws, 16. times set screws, 17. die assemblies, 18. inner guiding posts, guide pin bushing in 19., 20. outer guiding posts, 21 outer bush.
Detailed description of the invention
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Upper padding plate 2, train wheel bridge 3, baffle plate 4, stripper 5, lower bolster 6, lower bolster 7 are fixed between upper bolster 1 and die shoe 8 by the present invention respectively from top to bottom successively, forming punching head assembly 12 is fixedly connected with train wheel bridge 3, and counterdie die assembly 17 is fixedly connected with lower bolster 6 by counterdie holding screw 15, lower set screw 16.The length size that the present embodiment closes rear mold is respectively: 196 millimeters, 160 millimeters, 107 millimeters.The actual mould of the present embodiment processing and manufacturing as shown in Figure 1.
As shown in Figure 1, described stripper 4 is fixed in punch assemblies 10 by contour screw 11, establishes spring 9 between stripper 4 and upper bolster 1, and spring 9 has certain pre compressed magnitude, for providing certain stripping force.
The present invention carries out intensive reading punching press because relate to structural member, except arranging outer guiding post 20 and outer bush 21 pairs of upper die and lower die to outwards on upper and lower die holder, inner guiding post 18 and interior guide pin bushing 19 are set in punch assemblies 10, die assembly 17, interior guiding is carried out, to ensure requirement on machining accuracy to elastic stripper 5; In order to improve guiding accuracy, it is the inner guiding post 18 that coordinates of glade plane space and interior guide pin bushing 19 that the present invention arranges corresponding four groups in the relevant position of punch assemblies 10, die assembly 17, installs outer guiding post 20 and the outer bush 21 of two groups of corresponding rolling matched in clearance at upper bolster 1 and die shoe 8 corresponding positions.
When the present invention works, be first placed on by structural member in forming punching head assembly 12, stripper 5 has spring 9 to provide pressure-pad-force compressing structure part, and punch assemblies 10, under the drive of slider of punch, is carried out once drawing action upper and lower mould and is separated; Then the structural member taking out drawing puts into notch punches assembly 13, stripper 5 has spring 9 to provide pressure-pad-force compressing structure part, punch assemblies 10 pierce punch is under the drive of slider of punch, carry out one-step punching action, semiorbicular process-cut is cut out in the die cavity both sides of drawing, to compare the change of twice drawing size, upper and lower mould is separated; Take out die-cut workpiece and put into reforming plunger assembly 14, stripper 5 has spring 9 to provide pressure-pad-force compressing structure part, and punch assemblies 10 drawing formed punch is under the drive of slider of punch, and carry out last drawing action, everything completes, and bolster is separated.
In sum, the present invention first makes structural member do just one-step forming by the forming punching head assembly 12 being arranged on punch assemblies 10 and die assembly 17, and preliminary quantity of formed is unsuitable excessive, to ensure that pressing part periphery warping phenomenon does not occur; Then by notch punches assembly 13 Sheet Metal Forming Technology otch, the pressing part of structural member and non punching portion are separated, under reducing, step punching press brings the impact on structural member warpage; Make structural member shaping finally by reforming plunger 14 assembly.
Punching course of the present invention is by repeatedly just one-step forming, otch process, to ensure the precision of flatness, certainly to consider according to concrete actual conditions, determine best punching press number of times, to guarantee to reach best economic benefit, some data finally obtained the present invention, technological parameter are analyzed, so that according to the requirement choose reasonable Sheet Metal Forming Technology of different materials structural member, different accuracy etc. in the production process of practical structures part, to produce the structural member of optimum efficiency.
Claims (1)
1. one kind utilizes the many boss plane structural part deep drawing process detecting mould, described detection mould comprises upper die and lower die, lower bolster, upper and lower mould is provided with the guidance set making both just right, the upper bolster of patrix is connected with stripper, is provided with spring between upper bolster and stripper; Patrix is provided with punch assemblies, counterdie correspondence position is provided with die assembly, punch assemblies is provided with multiple punch-head assembly, punch-head assembly comprise make structural member just one-step forming forming punching head assembly, by structural member pressing part and the not notch punches assembly that separates of pressing part and make structural member complete shaping reforming plunger assembly:
Described guidance set comprises the outer guidance set be arranged on upper and lower die holder and the interior guidance set be arranged in punch assemblies and die assembly;
Described outer guidance set comprises and is arranged on guide pillar on upper bolster and the corresponding guide pin bushing be arranged on die shoe; Described interior guidance set comprises the guide pillar be arranged in punch assemblies and the guide pin bushing be arranged in die assembly;
Guide pillar in described outer guidance set is rolling guide pillar, guide pin bushing is rolling bushing, and rolling guide pillar and rolling bushing are matched in clearance;
Guide pillar in described interior guidance set is slip guide pillar, guide pin bushing is sliding guide sleeve, and slip guide pillar and sliding guide sleeve are matched in clearance;
It is characterized in that, carry out according to following processing step:
First be placed on by structural member in forming punching head assembly, stripper provides pressure-pad-force compressing structure part by spring, and punch assemblies, under the drive of slider of punch, carries out once drawing action, and upper and lower mould is separated;
Then the structural member taking out drawing puts into notch punches assembly, stripper provides pressure-pad-force compressing structure part by spring, punch assemblies notch punches is under the drive of slider of punch, carry out one-step punching action, semiorbicular process-cut is cut out in the die cavity both sides of drawing, to compare the change of twice drawing size, upper and lower mould is separated;
Take out die-cut structural member and put into reforming plunger assembly, stripper provides pressure-pad-force compressing structure part by spring, and punch assemblies reforming plunger is under the drive of slider of punch, and carry out last drawing action, everything completes, and upper and lower mould is separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010154711.6A CN102233381B (en) | 2010-04-26 | 2010-04-26 | A kind of detection mould of many boss plane structural part deep drawing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010154711.6A CN102233381B (en) | 2010-04-26 | 2010-04-26 | A kind of detection mould of many boss plane structural part deep drawing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102233381A CN102233381A (en) | 2011-11-09 |
| CN102233381B true CN102233381B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010154711.6A Expired - Fee Related CN102233381B (en) | 2010-04-26 | 2010-04-26 | A kind of detection mould of many boss plane structural part deep drawing process |
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| Country | Link |
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| CN (1) | CN102233381B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407260A (en) * | 2011-11-20 | 2012-04-11 | 扬州广菱电子有限公司 | Secondary bending sliding block mechanism die |
| CN107297426A (en) * | 2017-08-17 | 2017-10-27 | 浙江上扬商业设备科技股份有限公司 | A kind of underframe connector diel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2759632Y (en) * | 2004-09-28 | 2006-02-22 | 詹有耕 | Aluminium case strip material continuous stretching die for electrolytic capacitor |
| CN1931469A (en) * | 2006-05-26 | 2007-03-21 | 吴明泽 | Precise multifunctional incremental pressing die and its making process |
| CN201229855Y (en) * | 2008-06-13 | 2009-04-29 | 詹有耕 | Aluminum case multi-position belt material continuously stretching die for electrolytic capacitor |
| CN201684797U (en) * | 2010-04-26 | 2010-12-29 | 扬州广菱电子有限公司 | Detecting mould for deep drawing process of multi-lug-boss planar structural piece |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002219528A (en) * | 2001-01-23 | 2002-08-06 | Toyota Industries Corp | Press die |
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2010
- 2010-04-26 CN CN201010154711.6A patent/CN102233381B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2759632Y (en) * | 2004-09-28 | 2006-02-22 | 詹有耕 | Aluminium case strip material continuous stretching die for electrolytic capacitor |
| CN1931469A (en) * | 2006-05-26 | 2007-03-21 | 吴明泽 | Precise multifunctional incremental pressing die and its making process |
| CN201229855Y (en) * | 2008-06-13 | 2009-04-29 | 詹有耕 | Aluminum case multi-position belt material continuously stretching die for electrolytic capacitor |
| CN201684797U (en) * | 2010-04-26 | 2010-12-29 | 扬州广菱电子有限公司 | Detecting mould for deep drawing process of multi-lug-boss planar structural piece |
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| Publication number | Publication date |
|---|---|
| CN102233381A (en) | 2011-11-09 |
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Granted publication date: 20151125 Termination date: 20190426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |