CN205362320U - Big specification complex section aluminium alloy stretch bending frock - Google Patents
Big specification complex section aluminium alloy stretch bending frock Download PDFInfo
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- CN205362320U CN205362320U CN201521139906.8U CN201521139906U CN205362320U CN 205362320 U CN205362320 U CN 205362320U CN 201521139906 U CN201521139906 U CN 201521139906U CN 205362320 U CN205362320 U CN 205362320U
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Abstract
The utility model discloses a big specification complex section aluminium alloy stretch bending frock, including stretch bending frock base child, the vice child of stretch bending frock, the single wire erection and extension device comprises a connecting piece, the vice child angle adjusting plate of the vice child of stretch bending frock and a stretch bending frock base child corner dimension is adjusted to stretch bending platform and being used for, the stretch bending frock is installed on the stretch bending platform, be provided with on the stretch bending platform and be used for the section bar to bend keeping silent of drawing, stretch bending frock base child includes that basic child cavity and stretch bending attach the template, the stretch bending attaches the template and installs the front at the cavity, the vice child of stretch bending frock passes through the connecting piece and installs on tread angle correction backing plate, bottom and the stretch bending of the vice child of stretch bending frock attach the template and are provided with and predetermine the clearance, vice child angle adjusting plate installs and is predetermineeing the clearance. Above -mentioned frock and method, fine realization to the disposable stretch bending forming of section bar, need not carry out the secondary correction to having drawn the section bar to this stretch bending frock structure, convenient to use have improved the efficiency that the section bar turn was drawn, have very high practicality.
Description
Technical field
This utility model relates to stretch bending device field, particularly to one big specification complex section aluminium section bar stretch bending frock.
Background technology
The stretch bending of big specification aluminium section bar is processed in rail traffic vehicles field, is widely used in the production particularly in high ferro, subway and tramcar field, and big specification aluminium section bar stretch bending needs to use the stretch benders of corresponding tonnage, and designs stretch bending mold corresponding with product.
Common aluminium section bar stretch bending section is generally symmetrical, and width is general narrower, and the stretch bending deformation produced on cross-sectional width direction after stretch bending is little on stretch bending impact.But, the product forms of more than 400mm can be reached for cross-sectional width required now, aluminum profile cross section is hollow structure and asymmetric, and the one end open of aluminium section bar, existing frock form is utilized to carry out stretch bending, can cause that the upper and lower stress in stretch bending process medium section cross section differs, deformation differs, cause that section bar lateral bending and plane clearance are bad, and by substantial amounts of artificial secondary correction still poor effect.
Utility model content
For above-mentioned technical problem, this utility model provide a kind of integrate that stretch bending is corrected, can produce not lateral bending, do not turn round big specification complex section aluminium section bar stretch bending frock stubborn, plane clearance good stretch bending part.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: provide a kind of big specification complex section aluminium section bar stretch bending frock, including stretch bending frock base tire, stretch bending frock pair tire, connector and for regulating the secondary tire angular adjustment backing plate of corner dimension between described stretch bending frock pair tire and described stretch bending frock base tire, described stretch bending frock is arranged on described stretch bending platform, described stretch bending platform is provided with for vising the jaw treating stretch bending section bar two ends and for treating the topping machanism that stretch bending section bar two ends carry out cutting；
Described stretch bending frock base tire includes base tire cavity and the attached template of stretch bending, the attached template of described stretch bending is arranged on the front of described base tire cavity, described stretch bending frock pair tire is arranged on the attached template of described stretch bending by described connector, being provided with prepsetting gap between the bottom of described stretch bending frock pair tire and the attached template of described stretch bending, described secondary tire angular adjustment backing plate is arranged in described prepsetting gap.
This utility model is owing to adopting above technical scheme, its technique effect reached is: the big specification complex section aluminium section bar stretch bending frock of this utility model offer and stretch bending method, the basis of stretch bending frock base tire with the addition of stretch bending frock pair tire, connector and some secondary tire angular adjustment backing plates, stretch bending frock pair tire is arranged on stretch bending frock base tire by connector, in the prepsetting gap being inserted between stretch bending frock base tire and stretch bending frock pair tire of secondary tire angular adjustment wear plate selection, it is used for regulating stretch bending frock pair tire and stretch bending frock base tire angle between the two, well achieve the disposable bending forming to section bar, secondary correction need not be carried out to pulling section bar, and this stretch bending tool structure, easy to use, improve the curved efficiency drawn of section bar, there is significantly high practicality.
More preferably, in technique scheme, described secondary tire angular adjustment backing plate is several, and the thickness of several described secondary tire angular adjustment backing plates is all different.
Above-mentioned further scheme is adopted to provide the benefit that: the secondary tire angular adjustment backing plate that several thickness are all different, facilitate the adjustment of angle between stretch bending frock pair tire and stretch bending attached template, the mode of angular adjustment is more, draw suitable in differential profiles, the curved of different angles, improve the practicality of stretch bending frock.Further, between stretch bending frock pair tire and stretch bending attached template, bottom centered position increases by 7 layers of 3000*100*5 pair tire angular adjustment backing plate, make section bar stress distribution region in stretch bending process consistent, offset section bar wide cause pull rear side curved phenomenon, when section bar entirety radian regulates after to stretch bending, at middle 7 layers of secondary tire angular adjustment backing plate two ends, add backing plate from inside to outside, the size of backing plate respectively 606*400*4；1355*400*4；1817*400*4；2182*400*4；2500*400*4, it is ensured that section bar pulls rear radian and meets product requirement.
More preferably, in technique scheme, described base tire cavity also includes base tire upper backup pad, base tire lower supporting plate, left part backplate and right part backplate, and described base tire upper backup pad, described base tire lower supporting plate and described left part backplate and described right part backplate surround the cavity structure that a cross section is rectangle.
Above-mentioned further scheme is adopted to provide the benefit that: the base tire cavity that cross section is rectangle being made up of base tire upper backup pad, base tire lower supporting plate, left part backplate and right part backplate, the form of welding can be selected, the structure making base tire cavity is more firm, it has been also convenient for location gusset, transversary square tube and the installation in base tire cavity of some vertical structure square tubes to fix simultaneously, further, the installation of location gusset, transversary square tube and some vertical structure square tubes is fixed, and also improves the structural strength that stretch bending frock is overall.
More preferably, in technique scheme, the cross section of the attached template of described stretch bending is arc, all attached with the described stretch bending template close contact of described base tire upper backup pad, described base tire lower supporting plate, described left part backplate and described right part backplate.
Above-mentioned further scheme is adopted to provide the benefit that: the attached template of stretch bending of arc section and base tire upper backup pad, base tire lower supporting plate, left part backplate and the close contact of right part backplate, well improve the stability of the attached template of stretch bending, the attached template of stretch bending will not be deformed upon or displacement in the process of stretch bending, it is ensured that the curved accuracy drawn of section bar and effectiveness.
More preferably, in technique scheme, it is evenly arranged with several in described base tire cavity and is perpendicular to described base tire upper backup pad and the location gusset of described base tire lower supporting plate and all attached with described base tire upper backup pad, described base tire lower supporting plate and the described stretch bending template close contact of described location gusset.
Above-mentioned further scheme is adopted to provide the benefit that: in base tire cavity, several are perpendicular to base tire upper backup pad and the setting of base tire lower supporting plate location gusset, improve the steadiness of base tire cavity body structure, it is ensured that the curved quality drawn of section bar.
More preferably, in technique scheme, the height of described left part backplate and described right part backplate is less than the height of the attached template of described stretch bending.Described stretch bending frock base tire also includes several attached template bearing ribs being vertically set on described base tire upper backup pad, several described attached template bearing ribs are uniformly arranged on described base tire upper backup pad, and described attached template bearing rib is perpendicular to the tangent line of the attached template of described stretch bending and described attached template bearing rib contact position.
Above-mentioned further scheme is adopted to provide the benefit that: the setting of attached template bearing rib, improve the steadiness of the attached template of stretch bending, make the attached template of stretch bending, when curved drawing, unexpected deformation will not occur, improve the structural strength of stretch bending frock simultaneously, attached template bearing rib is perpendicular on the attached template of stretch bending and the tangent line of attached template bearing rib contact position, make attached template bearing rib vertically firmly, the stability of stretch bending frock can be further increased by the attached template of stretch bending.
More preferably, in technique scheme, described stretch bending frock also includes transversary square tube and some vertical structure square tubes, described transversary square tube is horizontally installed in described base tire cavity, and be in close contact with the attached template of described stretch bending, described vertical structure square tube is uniformly arranged in described base tire cavity, and described transversary square tube and described vertical structure square tube are mutually perpendicular to.
Above-mentioned further scheme is adopted to provide the benefit that: the setting of transversary square tube and some vertical structure square tubes, while improving stretch bending tool structure intensity, it is also convenient for the installation on stretch bending platform of the stretch bending frock to fix, ensure that stretch bending frock is when stretch bending, relatively will not be subjected to displacement by stretch bending platform, also ensure that the quality of stretch bending.
Additionally provide a kind of stretch bending method of big specification complex section aluminium section bar stretch bending frock, comprise the following steps:
Step S10: the hardness that will treat stretch bending section bar is detected, selects the satisfactory section bar of hardness stand-by；
Step S20: shut by the opening treating stretch bending section bar one end, fills fine sand in the described cavity treating stretch bending section bar, the fine sand compacting that will fill, and seals standby by the described other end treating stretch bending section bar；
Step S30: the described two ends treating stretch bending section bar are carried out Milling Process by topping machanism, in order to the jaw of stretch bending platform can vise described in treat the two ends of stretch bending section bar；
Step S40: put into secondary tire angular adjustment backing plate in the prepsetting gap bottom stretch bending frock pair tire and between the attached template of stretch bending, the angle between stretch bending frock pair tire and the attached template of stretch bending is regulated to predetermined angle；
Step S50: the described two ends treating stretch bending section bar are fixed in the jaw of described stretch bending platform, and regulate the pulling force parameter of described stretch bending platform and curved force parameter；
Step S60: start described stretch bending platform, until described in treat that the tyre surface of stretch bending section bar and described stretch bending frock pair tire fits tightly, treat stretch bending section bar described in taking off after standing a few minutes, and the described fine sand treated in stretch bending section bar taken out.
More preferably, in technique scheme, step S60 also includes step S65, step S60 and also includes step S65, after the described tyre surface until stretch bending section bar Yu described stretch bending frock pair tire fits tightly, the jaw of described stretch bending platform treat that stretch bending section bar pulls once energetically to described.
Above-mentioned further scheme is adopted to provide the benefit that: the jaw of stretch bending platform treats pulling energetically of stretch bending section bar, further ensure and treat that the curved of stretch bending section bar draws quality, after avoiding stretch bending platform pine power, treat that stretch bending section bar occurs to reply deformation, affect the curved of section bar and draw quality.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the schematic diagram of the big specification complex section aluminium section bar stretch bending frock that this utility model provides；
Fig. 2 is the rearview of big specification complex section aluminium section bar stretch bending frock in Fig. 1；
Fig. 3 is the sectional view in the AA face of big specification complex section aluminium section bar stretch bending frock in Fig. 1；
Fig. 4 is the sectional view in the BB face of big specification complex section aluminium section bar stretch bending frock in Fig. 1；
Fig. 5 is the schematic diagram treating stretch bending section bar；
Fig. 6 is the sectional view treating stretch bending section bar in Fig. 5；
Fig. 7 is the sectional view of stretch bending platform upper jaw；
Fig. 8 is the schematic diagram treating stretch bending section bar milling.
Detailed description of the invention
Embodiment one:
nullAs shown in Figures 1 to 4，The offer big specification complex section aluminium section bar stretch bending frock that this utility model provides，Including stretch bending frock base tire 100、Stretch bending frock pair tire 200、Connector 210、Stretch bending platform and for regulating the secondary tire angular adjustment backing plate 220 of corner dimension between stretch bending frock pair tire 200 and stretch bending frock base tire 100，Stretch bending frock is arranged on stretch bending platform，Stretch bending platform is provided with and carries out the curved jaw 310 drawn for section bar，Stretch bending frock base tire 100 includes base tire cavity 110 and the attached template 120 of stretch bending，The attached template 120 of stretch bending is arranged on the front of base tire cavity 110，Stretch bending frock pair tire 200 is arranged on the attached template 120 of stretch bending by connector 210，It is provided with prepsetting gap between the bottom of stretch bending frock pair tire 200 and the attached template 120 of stretch bending，Secondary tire angular adjustment backing plate 220 is arranged in prepsetting gap.
As a kind of embodiment, secondary tire angular adjustment backing plate 220 is several, and the thickness of several secondary tire angular adjustment backing plates 220 is all different.The secondary tire angular adjustment backing plate 220 that several thickness are all different, facilitate the adjustment of angle between stretch bending frock pair tire 200 and stretch bending attached template 120, the mode of angular adjustment is more, it is adaptable to differential profiles, the curved of different angles draw, and improve the practicality of stretch bending frock.Further, between stretch bending frock pair tire 200 and stretch bending attached template 120, bottom centered position increases by 7 layers of 3000*100*5 pair tire angular adjustment backing plate 220, make section bar stress distribution region in stretch bending process consistent, offset section bar wide cause pull rear side curved phenomenon, when section bar entirety radian regulates after to stretch bending, at middle 7 layers of secondary tire angular adjustment backing plate 220 two ends, add backing plate from inside to outside, the size of backing plate respectively 606*400*4；1355*400*4；1817*400*4；2182*400*4；2500*400*4, it is ensured that section bar pulls rear radian and meets product requirement.
As a kind of embodiment, base tire cavity 110 also includes base tire upper backup pad 112, base tire lower supporting plate 114, left part backplate 116 and right part backplate 118, and base tire upper backup pad 112, base tire lower supporting plate 114 and left part backplate 116 and right part backplate 118 surround the cavity structure that a cross section is rectangle.The base tire cavity 110 that cross section is rectangle being made up of base tire upper backup pad 112, base tire lower supporting plate 114, left part backplate 116 and right part backplate 118, the form of welding can be selected, the structure making base tire cavity 110 is more firm, it has been also convenient for location gusset 130, transversary square tube 150 and the installation in base tire cavity 110 of some vertical structure square tubes 160 to fix simultaneously, further, the installation of location gusset 130, transversary square tube 150 and some vertical structure square tubes 160 is fixed, and also improves the structural strength that stretch bending frock is overall.
As a kind of embodiment, the cross section of the attached template 120 of stretch bending is arc, and base tire upper backup pad 112, base tire lower supporting plate 114, left part backplate 116 and right part backplate 118 are all in close contact with the attached template 120 of stretch bending.The attached template 120 of stretch bending of arc section is in close contact with base tire upper backup pad 112, base tire lower supporting plate 114, left part backplate 116 and right part backplate 118, well improve the stability of the attached template 120 of stretch bending, the attached template 120 of stretch bending will not be deformed upon or displacement in the process of stretch bending, it is ensured that the curved accuracy drawn of section bar and effectiveness.
As a kind of embodiment, it is evenly arranged with several in base tire cavity 110 and is perpendicular to base tire upper backup pad 112 and the location gusset 130 of base tire lower supporting plate 114, and position gusset 130 and be all in close contact with base tire upper backup pad 112, base tire lower supporting plate 114 and the attached template 120 of stretch bending.In base tire cavity 110, several are perpendicular to base tire upper backup pad 112 and base tire lower supporting plate 114 positions the setting of gusset 130, improve the steadiness of base tire cavity 110 structure, it is ensured that the curved quality drawn of section bar.
As a kind of embodiment, the height of left part backplate 116 and right part backplate 118 is less than the height of the attached template 120 of stretch bending.Stretch bending frock base tire 100 also includes several attached template bearing ribs 140 being vertically set on base tire upper backup pad 112, several attached template bearing ribs 140 are uniformly arranged on base tire upper backup pad 112, and attached template bearing rib 140 is perpendicular to the tangent line of the attached template of stretch bending 120 and attached template bearing rib 140 contact position.The setting of attached template bearing rib 140, improve the steadiness of the attached template 120 of stretch bending, make the attached template of stretch bending 120, when curved drawing, unexpected deformation will not occur, improve the structural strength of stretch bending frock simultaneously, attached template bearing rib 140 is perpendicular on the attached template of stretch bending 120 and the tangent line of attached template bearing rib 140 contact position, make attached template bearing rib 140 vertically firmly, the stability of stretch bending frock can be further increased by the attached template 120 of stretch bending.
As a kind of embodiment, stretch bending frock also includes transversary square tube 150 and some vertical structure square tubes 160, transversary square tube 150 is horizontally installed in base tire cavity 110, and be in close contact with the attached template 120 of stretch bending, vertical structure square tube 160 is uniformly arranged in base tire cavity 110, and described transversary square tube 150 and described vertical structure square tube 160 are mutually perpendicular to.The setting of transversary square tube 150 and some vertical structure square tubes 160, while improving stretch bending tool structure intensity, it is also convenient for the installation on stretch bending platform of the stretch bending frock to fix, ensure that stretch bending frock is when stretch bending, relatively will not be subjected to displacement by stretch bending platform, also ensure that the quality of stretch bending.
As shown in Figure 5 and Figure 6, for schematic diagram and the sectional view of big specification complex section aluminium section bar, section bar cross-sectional width bending forming is processed wide, reach 410mm；Section bar die cavity is semiclosed, and there is opening side；Section bar cross section is asymmetric, and stretch bending cross-wise direction two ends stress differs, and is easily generated lateral bending, causes that plane clearance is bad in stretch bending process.
As shown in Figure 7 and Figure 8, traditional approach large-tonnage (40t) stretch benders jaw 310 size is maximum holds the wide section bar of size 357mm, and section bar cross-sectional width 410mm (more than 400mm) of stretch bending needed for this time, much larger than jaw 310 size, the problem that secondary evidence section bar cross section is excessive from the side.The position beating hatching in Fig. 8 medium section sectional drawing is carried out Milling Process one segment length, makes jaw 310 can clamp section bar and carry out stretch bending.
Embodiment two:
On the basis of embodiment one, additionally provide a kind of stretch bending method of big specification complex section aluminium section bar stretch bending frock, comprise the following steps:
Step S10: the hardness that will treat stretch bending section bar is detected, selects the satisfactory section bar of hardness stand-by；
Step S20: shut by the opening treating stretch bending section bar one end, fills fine sand in the described cavity treating stretch bending section bar, the fine sand compacting that will fill, and seals standby by the described other end treating stretch bending section bar；
Step S30: the described two ends treating stretch bending section bar are carried out Milling Process by topping machanism, in order to the jaw (310) of stretch bending platform can vise described in treat the two ends of stretch bending section bar；
Step S40: put into secondary tire angular adjustment backing plate (220) in the prepsetting gap between stretch bending frock pair tire (200) bottom and the attached template of stretch bending (120), the angle between stretch bending frock pair tire (200) and the attached template of stretch bending (120) is regulated to predetermined angle；
Step S50: the described two ends treating stretch bending section bar are fixed in the jaw (310) of described stretch bending platform, and regulate the pulling force parameter of described stretch bending platform and curved force parameter；
Step S60: start described stretch bending platform, until described in treat that the tyre surface of stretch bending section bar and described stretch bending frock pair tire (200) fits tightly, treat stretch bending section bar described in taking off after standing a few minutes, and the described fine sand treated in stretch bending section bar taken out.
Wherein, in stretch bending method, following methods has been used in the determination of matrix design parameter and stretch bending process parameter: use for reference limited element analysis technique, definition unit type, definition unit real constant, definition material characteristic, set up geometric model, and solve with the method for division unit lattice, apply simulation load environment and carry out the analysis of ess-strain, obtain deformation variation diagram and stress envelope, lay a solid foundation for Fixture Design.By deformation variation diagram, design base tire radius and springback capacity size；By stress envelope it can be seen that RED sector is in section directional spreding inequality in the middle of section bar, present a lateral stress big, the situation that a lateral stress is little, it is analyzed by counter stress distribution, designs secondary tire, calculating the angle by experiential modification pair tire with base tire.
Above-mentioned pull frock and stretch bending method has used for reference limited element analysis technique, first the radius of curvature of stretch bending fixture clamping fixture and the concrete numerical value of section stress are determined, then on existing mold basis, increase secondary tire, the section bar section stress in stretch bending process is made to tend to consistent, and melt correction and stretch bending in one, thus process not lateral bending, do not turn round stretch bending part stubborn, that plane clearance is good.
As a kind of embodiment, step S60 also includes step S65, after the described tyre surface until stretch bending section bar Yu described stretch bending frock pair tire 200 fits tightly, the jaw 310 of described stretch bending platform treats that stretch bending section bar pulls once energetically to described.The jaw of stretch bending platform treats pulling energetically of stretch bending section bar, further ensures and treats that the curved of stretch bending section bar draws quality, it is to avoid after stretch bending platform pine power, treats that stretch bending section bar occurs to reply deformation, affects the curved of section bar and draw quality.
This utility model is owing to adopting above technical scheme, its technique effect reached is: the big specification complex section aluminium section bar stretch bending frock of this utility model offer and stretch bending method, the basis of stretch bending frock base tire with the addition of stretch bending frock pair tire, connector and some secondary tire angular adjustment backing plates, stretch bending frock pair tire is arranged on stretch bending frock base tire by connector, in the prepsetting gap being inserted between stretch bending frock base tire and stretch bending frock pair tire of secondary tire angular adjustment wear plate selection, it is used for regulating stretch bending frock pair tire and stretch bending frock base tire angle between the two, well achieve the disposable bending forming to section bar, secondary correction need not be carried out to pulling section bar, and this stretch bending tool structure, easy to use, improve the curved efficiency drawn of section bar, there is significantly high practicality.
Above-mentioned embodiment is intended to illustrate that this utility model can realize for professional and technical personnel in the field or use; above-mentioned embodiment is modified and will be apparent from for those skilled in the art; therefore this utility model includes but not limited to above-mentioned embodiment; any present claims book or description of meeting describes; meet and principles disclosed herein and novelty, the method for inventive features, technique, product, each fall within protection domain of the present utility model.
Claims (8)
1. a big specification complex section aluminium section bar stretch bending frock, it is characterized in that: include stretch bending frock base tire (100), stretch bending frock pair tire (200), connector (210) and be used for regulating secondary tire angular adjustment backing plate (220) of corner dimension between described stretch bending frock pair tire (200) and described stretch bending frock base tire (100), described stretch bending frock is arranged on stretch bending platform, described stretch bending platform is provided with for vising the jaw (310) treating stretch bending section bar two ends and for treating the topping machanism that stretch bending section bar two ends carry out cutting；
Described stretch bending frock base tire (100) includes base tire cavity (110) and the attached template of stretch bending (120), the attached template of described stretch bending (120) is arranged on the front of described base tire cavity (110), described stretch bending frock pair tire (200) is arranged on the attached template of described stretch bending (120) by described connector (210), being provided with prepsetting gap between the bottom of described stretch bending frock pair tire (200) and the attached template of described stretch bending (120), described secondary tire angular adjustment backing plate (220) is arranged in described prepsetting gap.
2. big specification complex section aluminium section bar stretch bending frock as claimed in claim 1, it is characterised in that: described secondary tire angular adjustment backing plate (220) is several, and the thickness of several described secondary tires angular adjustment backing plate (220) is all different.
3. big specification complex section aluminium section bar stretch bending frock as claimed in claim 2, it is characterized in that: described base tire cavity (110) also includes base tire upper backup pad (112), base tire lower supporting plate (114), left part backplate (116) and right part backplate (118), and described base tire upper backup pad (112), described base tire lower supporting plate (114) and described left part backplate (116) and described right part backplate (118) surround the cavity structure that a cross section is rectangle.
4. big specification complex section aluminium section bar stretch bending frock as claimed in claim 3, it is characterized in that: the cross section of the attached template of described stretch bending (120) is arc, described base tire upper backup pad (112), described base tire lower supporting plate (114), described left part backplate (116) and described right part backplate (118) are all in close contact with the attached template of described stretch bending (120).
5. big specification complex section aluminium section bar stretch bending frock as claimed in claim 4, it is characterized in that: be evenly arranged with several in described base tire cavity (110) and be perpendicular to described base tire upper backup pad (112) and the location gusset (130) of described base tire lower supporting plate (114), and described location gusset (130) is all in close contact with described base tire upper backup pad (112), described base tire lower supporting plate (114) and the attached template of described stretch bending (120).
6. big specification complex section aluminium section bar stretch bending frock as claimed in claim 5, it is characterised in that: the height of described left part backplate (116) and described right part backplate (118) is less than the height of the attached template of described stretch bending (120).
7. big specification complex section aluminium section bar stretch bending frock as claimed in claim 6, it is characterized in that: described stretch bending frock base tire (100) also includes several attached template bearing ribs (140) being vertically set on described base tire upper backup pad (112), several described attached template bearing ribs (140) are uniformly arranged on described base tire upper backup pad (112), and described attached template bearing rib (140) is perpendicular to the tangent line of the attached template of described stretch bending (120) and described attached template bearing rib (140) contact position.
8. big specification complex section aluminium section bar stretch bending frock as claimed in claim 7, it is characterized in that: described stretch bending frock also includes transversary square tube (150) and some vertical structure square tubes (160), described transversary square tube (150) is horizontally installed in described base tire cavity (110), and be in close contact with the attached template of described stretch bending (120), described vertical structure square tube (160) is uniformly arranged in described base tire cavity (110), and described transversary square tube (150) and described vertical structure square tube (160) are mutually perpendicular to.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139906.8U CN205362320U (en) | 2015-12-31 | 2015-12-31 | Big specification complex section aluminium alloy stretch bending frock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139906.8U CN205362320U (en) | 2015-12-31 | 2015-12-31 | Big specification complex section aluminium alloy stretch bending frock |
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| CN205362320U true CN205362320U (en) | 2016-07-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522026A (en) * | 2015-12-31 | 2016-04-27 | 龙口丛林中德车体系统工程有限公司 | Large-specification and complex-section aluminum profile bending tool and bending method |
-
2015
- 2015-12-31 CN CN201521139906.8U patent/CN205362320U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522026A (en) * | 2015-12-31 | 2016-04-27 | 龙口丛林中德车体系统工程有限公司 | Large-specification and complex-section aluminum profile bending tool and bending method |
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Address after: 265700 Longkou City Yantai Industrial Zone, Shandong Patentee after: Shandong luwico lightweight Equipment Co. Ltd. Address before: 264000 Longkou City City, Yantai province by the view of the town of jungle Industrial Park Patentee before: Longkou Conglin Sino-Germany Car Body System Engineering Co., Ltd. |
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