CN102233381A - Detection die for multi-boss plane structural part deep drawing process - Google Patents
Detection die for multi-boss plane structural part deep drawing process Download PDFInfo
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- CN102233381A CN102233381A CN2010101547116A CN201010154711A CN102233381A CN 102233381 A CN102233381 A CN 102233381A CN 2010101547116 A CN2010101547116 A CN 2010101547116A CN 201010154711 A CN201010154711 A CN 201010154711A CN 102233381 A CN102233381 A CN 102233381A
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Abstract
The invention relates to a detection die for a multi-boss plane structural part deep drawing process. By the detection die, reasonable processing parameters can be obtained according to the buckling deformation degree of different material structural parts which are drawn. The detection die comprises an upper die and a lower die; guide components which make the upper die and the lower die opposite to each other are arranged on the upper die and the lower die; an upper die base of the upper die is connected with an elastic pressure unloading plate; a spring is arranged between the upper die base and the elastic pressure unloading plate; a male die component and a female die component are arranged at corresponding positions of the upper die and the lower die; various punch components are arranged at corresponding positions of the male die component and the female die component; and the punch components comprise a forming punch component for primarily forming the structural parts, a cut punch component for separating punching parts from non-punching part of the structural parts, and a shaping punch component for completing the formation of the structural parts. The detection die can provide the reasonable punching process for actual production of the structural parts, so that the produced structural parts meet the requirements on precision and processing cost.
Description
Technical field
The present invention relates to a kind of detection mould, this detects mould through the buckling deformation degree to the stretched back of different materials structural member structural member, with the detection mould of many boss planar junction member deep-drawing technique of obtaining rational machined parameters.
Background technology
Along with development and 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 an intense market competition, requirement for large-scale planar junction member is also had higher requirement, not only to further alleviate structural design weight, improve the economy of large-scale planar junction member, and to guarantee enough rigidity and precision, pull and stretch effect based on the large-scale planar junction member with a plurality of asymmetric boss has been subjected to more concern, because these structural members should guarantee its flatness in pull and stretch, again any twisted phenomena can not be arranged, and these pull and stretch major parts are integral drawings, and its specification requirement is very high, and difficulty is also self-evident.Therefore, various boss are in drawing process, and the deep-drawing technique between each operation of mould is just particularly important to effect of material performance, grasps this type of large-scale thin plate pull and stretch boss technology, buckling deformation after the unloading of control plate just can be saved great amount of manpower and material resources in design and manufacture process.
Find through retrieval prior art, people such as Li Guang deliver " sheet forming resilience feature and control technology thereof [J] " literary composition on " Automobile Technology and Material " 6 (2008) 15-18, this article proposes a kind of removing method of sheet metal deep drawing residual stress, surface at instrument during drawing and forming increases local convex closure shape (circular convex closure), when later process, eliminate the shape of increase again, residual stress balance in the material is changed, with the buckling deformation behind the elimination thin plate pull and stretch, guarantee the flatness of product.The method need increase the single raise mould earlier between pull and stretch, the Mould Machining more complicated, and cost is higher.
Summary of the invention:
The present invention is directed to the above-mentioned deficiency of prior art, provide a kind of detection mould, with the development size and the mould design size of rational operational characteristic, pull and stretch in the assurance type planar junction member boss drawing process with large-scale planar junction member deep-drawing technique size of a plurality of asymmetric boss.Carry out pull and stretch by in one mould, the pull and stretch of twice different size of same boss being achieved under needed steel plate thickness, guaranteeing under the prerequisite of its flatness, avoiding occurring ftractureing, pull and stretch is not in place and do not meet the situations 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, upper and lower mould be provided with make both over against guidance set, be connected with on the upper bolster of patrix and suppress stripper, upper bolster and suppress and be provided with spring between the 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 the moulding punch-head assembly, with structural member pressing part and the otch punch-head assembly that separates of pressing part and make structural member finish the shaping punch-head assembly of moulding not.
Described guidance set comprises outer guidance set that is arranged on the upper and lower die holder and the interior guidance set that is arranged in punch assemblies and the die assembly.
Described outer guidance set comprises guide pillar and the corresponding guide pin bushing that is arranged on the die shoe that is arranged on the upper bolster; Guidance set comprises guide pillar that is arranged in the punch assemblies and the guide pin bushing that is arranged in the die assembly in described.
Guide pillar in the described outer guidance set is that rolling guide pillar, guide pin bushing are rolling bushing, and rolling guide pillar and rolling bushing are matched in clearance.
Guide pillar in described in the guidance set is that slip guide pillar, guide pin bushing are 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 junction member different materials boss pull and stretch for the variation to actual size of the pull and stretch performance of the influence of workpiece and boss, under same operating mode, can carry out the comparison of plurality of classes, reduce and the influence that bring inaccurate in the actual production to blank size, the technical data that obtains for arbitrary material can significantly improve the operating efficiency of design and processing, and also the use to material provides a preferable selection scheme.
Description of drawings
Fig. 1 is a structural representation of the present invention
1. upper bolsters among the figure, 2. upper padding plate, 3. train wheel bridge, 4. baffle plate, 5. suppress stripper, 6. lower bolster, 7. lower bolster, 8. die shoe, 9. spring, 10. punch assemblies, 11. contour screws, 12. moulding punch-head assemblies, 13. the otch punch-head assembly, 14. shaping punch-head assemblies, 15. counterdie holding screws, 16. following set screw, 17. die assemblies, 18. inner guiding posts, 19. interior guide pin bushing, 20. outer guiding posts, 21 outer bush.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
The present invention is fixed in upper padding plate 2, train wheel bridge 3, baffle plate 4, stripper 5, lower bolster 6, lower bolster 7 between upper bolster 1 and the die shoe 8 respectively from top to bottom successively, moulding punch-head assembly 12 is fixedlyed connected with train wheel bridge 3, and counterdie die assembly 17 is fixedlyed connected with lower bolster 6 by counterdie holding screw 15, following set screw 16.The length size of mould is respectively after the present embodiment closure: 196 millimeters, and 160 millimeters, 107 millimeters.The actual mould of present embodiment processing and manufacturing as shown in Figure 1.
As shown in Figure 1, described stripper 4 is fixed on the punch assemblies 10 by contour screw 11, establishes spring 9 between stripper 4 and the upper bolster 1, and spring 9 has certain pre compressed magnitude, is used to the stripping force that provides certain.
The present invention reads carefully and thoroughly punching press because relate to structural member, except outer guiding post 20 and 21 pairs of upper die and lower die of outer bush are set to outwards on die holder up and down, inner guiding post 18 and interior guide pin bushing 19 are set in punch assemblies 10, die assembly 17, carry out interior guiding to suppressing stripper 5, to guarantee requirement on machining accuracy; In order to improve guiding accuracy, the present invention is provided with corresponding four groups in the relevant position of punch assemblies 10, die assembly 17 be inner guiding post 18 and the interior guide pin bushing 19 that glade plane space cooperates, and installs the outer guiding post 20 and the outer bush 21 of two groups of corresponding rolling matched in clearance in upper bolster 1 and die shoe 8 corresponding positions.
When the present invention works, earlier structural member is placed in the moulding punch-head assembly 12, stripper 5 has spring 9 that pressure-pad-force compressing structure spare is provided, and punch assemblies 10 is carried out once drawing action upper and lower mould and separated under the drive of slider of punch; Take out the structural member of pull and stretch then and put into otch punch-head assembly 13, stripper 5 has spring 9 that pressure-pad-force compressing structure spare is provided, punch assemblies 10 pierce punches are under the drive of slider of punch, carry out the one-step punching action, cut out semiorbicular process-cut in the die cavity both sides of pull and stretch, with the relatively variation of twice pull and stretch size, upper and lower mould separates; Take out die-cut workpiece and put into shaping punch-head assembly 14, stripper 5 has spring 9 that pressure-pad-force compressing structure spare is provided, and punch assemblies 10 drawing formed punch carry out last pull and stretch action under the drive of slider of punch, and everything is finished, and bolster separates.
In sum, the present invention makes structural member do one-step forming just by the moulding punch-head assembly 12 that is arranged on punch assemblies 10 and die assembly 17 earlier, and first one-step forming amount is unsuitable excessive, to guarantee the pressing part periphery warping phenomenon does not take place; Then by otch punch-head assembly 13 Sheet Metal Forming Technology otch, with the pressing part of structural member and non-pressing part separately, reduce step punching press down and bring influence the structural member warpage; Make the structural member moulding by shaping drift 14 assemblies at last.
Punching course of the present invention can pass through repeatedly just one-step forming, otch process, to guarantee the precision of flatness, certainly to take all factors into consideration according to concrete actual conditions, determine best punching press number of times, with the economic benefit that guarantees to reach best, some data, the technological parameter that the present invention is obtained analyzed at last, so as in the production process of practical structures part according to different materials structural member, different accuracy etc. require the choose reasonable Sheet Metal Forming Technology, to produce the structural member of optimum efficiency.
Claims (5)
1. the detection mould of many boss planar junction member deep-drawing technique is characterized in that, comprises upper die and lower die, upper and lower mould be provided with make both over against guidance set, be connected with on the upper bolster of patrix and suppress stripper, upper bolster and suppress and be provided with spring between the 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 the moulding punch-head assembly, with structural member pressing part and the otch punch-head assembly that separates of pressing part and make structural member finish the shaping punch-head assembly of moulding not.
2. the detection mould of many boss planar junction member drawing process according to claim 1 is characterized in that, described guidance set comprises outer guidance set that is arranged on the upper and lower die holder and the interior guidance set that is arranged in punch assemblies and the die assembly.
3. the detection mould of many boss planar junction member drawing process according to claim 2 is characterized in that, described outer guidance set comprises guide pillar and the corresponding guide pin bushing that is arranged on the die shoe that is arranged on the upper bolster; Guidance set comprises guide pillar that is arranged in the punch assemblies and the guide pin bushing that is arranged in the die assembly in described.
4. the detection mould of many boss planar junction member drawing process according to claim 3 is characterized in that, the guide pillar in the described outer guidance set is that rolling guide pillar, guide pin bushing are rolling bushing, and rolling guide pillar and rolling bushing are matched in clearance.
5. the detection mould of many boss planar junction member drawing process according to claim 3 is characterized in that, the guide pillar in the described interior guidance set is that slip guide pillar, guide pin bushing are sliding guide sleeve, and slip guide pillar and sliding guide sleeve are matched in clearance.
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 true CN102233381A (en) | 2011-11-09 |
| CN102233381B 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) |
Cited By (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 mold |
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020095969A1 (en) * | 2001-01-23 | 2002-07-25 | Kabushiki Kaisha Toyota Jidoshokki | Press die |
| 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 |
-
2010
- 2010-04-26 CN CN201010154711.6A patent/CN102233381B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020095969A1 (en) * | 2001-01-23 | 2002-07-25 | Kabushiki Kaisha Toyota Jidoshokki | Press die |
| 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 |
Cited By (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 mold |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102233381B (en) | 2015-11-25 |
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Granted publication date: 20151125 Termination date: 20190426 |
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