CN204262163U - A kind of fuel tank weld seam shaping mould lower die structure - Google Patents
A kind of fuel tank weld seam shaping mould lower die structure Download PDFInfo
- Publication number
- CN204262163U CN204262163U CN201420633034.XU CN201420633034U CN204262163U CN 204262163 U CN204262163 U CN 204262163U CN 201420633034 U CN201420633034 U CN 201420633034U CN 204262163 U CN204262163 U CN 204262163U
- Authority
- CN
- China
- Prior art keywords
- fuel tank
- lower bolster
- punch
- weld seam
- center line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The utility model discloses a kind of fuel tank weld seam shaping mould lower die structure, it is characterized in that, comprise lower bolster and be fixed on the punch above lower bolster, described punch upper surface is on the basis of original oil box cavity upper surface arc, the middle center line height rising 6-9mm along position while welding, this center line both sides of the edge height is constant and be arcuately smoothly transitted into the arcwall face that center line obtains.Lower bolster is still provided with hanger and location structure.The utility model adopts simple structure, can to eliminate in the process of plate stamping trimming due to the distortion that sheet material resilience causes sheet edge shape better, make it have better shaping effect.Also have simultaneously and facilitate handling, facilitate fuel tank upper body locate and locate the advantages such as reliable.
Description
Technical field
The utility model relates to a kind of three-chip type overlap welding fuel tank weld seam shaping mould; Particularly relate to a kind of lower die structure of three oblique cut grafting fluxing oil box shaping moulds.
Background technology
Crown prince's Halley motorcycle, due to fluent form, air and noble, and then is subject to liking of vast motorcycle user.In crown prince's Halley motorcycle, in order to car load form fit, its fuel tank be generally designed to head large after little, the round and smooth shape structure of the similar egg-shape of entirety of corner location rounding off.Then the fuel tank of this round and smooth shape structure buds out into popularity gradually, and also has employing in the motorcycle of some other types.
The motorcycle tank of existing ordinary construction is when producing, general is all the modes of production adopting the involutory connection of two halves casing, in this mode of production, casing adopts casting or Multi-step forming to be shaped and obtains, complex process and cost of labor is higher, production capacity is low, and upper case half presentation quality does not reach the requirement of direct application, is not suitable for the production of round and smooth shape fuel tank.
In order to improve the fuel tank production efficiency of this round and smooth shape structure, reduce production cost, applicant considers that have employed following technique produces, namely first to plate stamping extend shaping obtain upper left, upper right and below three sheet material (stamping drawdown be shaped generally comprise deeply extend and trimming, trimming disjoining pressure scrap (bridge) step, lap-welded overlap edge is crimped out in sheet edge position during trimming disjoining pressure scrap (bridge)), at the pre-made allowance in oil filler position; Then adopt lap-welded mode to connect upper left sheet material and upper right sheet material, wash out oil filler surplus after butt welded seam shaping, the mode of last circular seam welding connects below sheet material, obtained fuel tank.
The fuel tank that this three oblique cut grafting weldering modes are produced, due to the impact that sheet material resilience causes sheet edge shape in the process of plate stamping trimming, and on the impact that welding position is caused in overlap welding process, makes welded seam area position be out of shape serious.When middle seam lap weld region shaping, if adopt the mode of the manual roller shaping of existing routine, then there is production efficiency low, and shaping effect and homogeneity of product are difficult to the defect that meets the demands, therefore it is simple also to need to design a kind of structure, shaping is efficient, the shaping mould that shaping effect is good, to meet the requirement of three oblique cut grafting fluxing oil box weld seam shapings.
In order to solve the problem, applicant considers to devise a kind of mode of die reshaping that adopts to eliminate weld seam, in mould, consider to carry out disappearing wedge at the wedge groove that disappears that below punch upper surface designs and position while welding is corresponding, make material unnecessary for fuel tank shell welded seam area position can be squeezed into during shaping and punch disappears in wedge groove, ensure that fuel tank shell upper surface is smooth flat, shaping efficient quick, and shaping effect is good.
But in this mould, also need to consider to eliminate how better because sheet material resilience is to the problem of the distortion that sheet edge shape causes in the process of plate stamping trimming, to guarantee shaping effect.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of structure simple, can eliminate better in the process of plate stamping trimming because sheet material resilience is to the lower die structure of the distortion that sheet edge shape causes.To guarantee shaping effect better.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
A kind of fuel tank weld seam shaping mould lower die structure, it is characterized in that, comprise lower bolster and be fixed on the punch above lower bolster, described punch upper surface is on the basis of original oil box cavity upper surface arc, the middle center line height rising 6-9mm along position while welding, this center line both sides of the edge height is constant and be arcuately smoothly transitted into the arcwall face that center line obtains.
Like this, after punch surface adjusts upward along the height of welded seam area position center line, also can eliminate fuel tank shell better and be in welded seam area position in previous process due to the deformation that sheet material resilience causes, ensure shaping effect better.
As optimization, punch upper surface be in and upper convex corresponding to fuel tank upper body smooth shaping surface and at middle part, corresponding position while welding has the wedge groove that disappears.Like this, material unnecessary for fuel tank shell welded seam area position can be beneficial to during shaping be squeezed into punch disappears in wedge groove, ensure that fuel tank shell upper surface is smooth flat, meet the requirement of tank design.
As optimization, lower bolster peripheral position also horizontally outward projection be provided with hanger, punch support plate is installed in the middle part of described lower bolster, punch support plate installs described punch.The setting of such hanger, facilitate mould to carry lifting, punch support plate can facilitate the installation of punch to fix.
As optimization, counterdie is also provided with location structure, described location structure, comprise the locating piece being positioned at lower bolster tail position, locating piece upper surface shape is consistent with fuel tank inner chamber upper back shape, location structure also comprises the alignment pin being positioned at lower bolster head position, the oblique setting of alignment pin forward upward and and oil filler position corresponding.
Like this, the location of convenient fuel tank upper body, during location, retainer spring can by alignment pin jack-up to navigate in the locating hole of postal fuel tank upper body, in reforming process, the vibration caused by spring absorption shaping and deformation, ensure that in reforming process, location is reliable all the time.
Further, described alignment pin upper head is conical positioning head, alignment pin afterbody is positioned at the installation cavity be coaxially set, installation cavity is arranged on a mounting blocks of lower bolster head, be provided with retainer spring in described installation cavity, retainer spring two ends are connected to bottom installation cavity and between alignment pin tail end.Alignment pin can be avoided like this to be ejected installation cavity by spring, ensure that alignment pin uses reliable.
In sum, the utility model adopts simple structure, can to eliminate in the process of plate stamping trimming due to the distortion that sheet material resilience causes sheet edge shape better, make it have better shaping effect.Also have simultaneously and facilitate handling, facilitate fuel tank upper body locate and locate the advantages such as reliable.
Accompanying drawing explanation
Fig. 1 is a kind of simplified schematic diagram that have employed three oblique cut grafting fluxing oil box shaping moulds of the utility model structure.Location structure is not shown in figure.
Fig. 2 is the side view of Fig. 1.Upper and lower guide frame is not shown in figure.
Detailed description of the invention
The utility model is described in further detail for the three oblique cut grafting fluxing oil box shaping moulds that have employed the utility model structure below in conjunction with a kind of and accompanying drawing thereof.
During concrete enforcement: as shown in Figure 1-2, a kind of three oblique cut grafting fluxing oil box shaping moulds that have employed the utility model structure, comprise the upper die and lower die be oppositely arranged, the die 2 that described patrix comprises cope match-plate pattern 1 and is fixed on below cope match-plate pattern 1, die 2 lower surface is the smooth shaping surface in the upper arcs of recesses corresponding with fuel tank upper body, counterdie comprises lower bolster 3 and is fixed on the punch 4 above lower bolster 3, punch 4 upper surface be in and upper convex corresponding to fuel tank upper body smooth shaping surface and at middle part, corresponding position while welding has the wedge groove 5 that disappears; Shaping mould also comprises the location structure be arranged on counterdie, also comprises upper and lower guide frame.During concrete enforcement, described punch, die all adopt Cr12, and heat treatment hardness is 52 ~ 56HRC; Shaping can be met and use needs.
Wherein, described location structure, comprise the locating piece 6 being positioned at lower bolster tail position, locating piece 6 upper surface shape is consistent with fuel tank inner chamber upper back shape, location structure also comprises the alignment pin 7 being positioned at lower bolster head position, the oblique setting of alignment pin 7 forward upward and and oil filler position corresponding.Like this, adopt simple structure to achieve the location of fuel tank upper body, location is quick reliable, can prevent from rocking during shaping, ensure that shaping effect.
Wherein, described alignment pin 7 upper head is conical positioning head, alignment pin 7 afterbody is positioned at the installation cavity be coaxially set, installation cavity is arranged on a mounting blocks 8 of lower bolster head, be provided with retainer spring 9 in described installation cavity, retainer spring 9 two ends are connected to bottom installation cavity and between alignment pin 7 tail end.During such location, retainer spring can by alignment pin jack-up to navigate in the locating hole of mailbox upper body, and in reforming process, the vibration caused by spring absorption shaping and deformation, ensure that in reforming process, location is reliable all the time.
Wherein, described alignment pin 7 afterbody has diameter and becomes a large circle positive stop lug boss, and the installation cavity upper end open place on described mounting blocks 8 has reducer that diameter diminishes and for coordinating spacing with the positive stop lug boss of alignment pin 7 afterbody.Alignment pin can be avoided like this to be ejected installation cavity by retainer spring, ensure that alignment pin uses reliable.During concrete enforcement, described installation cavity is that an oblique through hole lower end is blocked by the bolt that a spiral connects and obtained facilitating installation.
Wherein, described upper and lower guide frame, be specially the guide pillar 10 arranged straight up comprising and be fixed on lower bolster 3 upper periphery position, also comprise the guide pin bushing 11 being fixed on cope match-plate pattern 1 lower surface peripheral position and arranging straight down, guide pillar 10 inserts guide pin bushing 11 slidably and forms sliding matching structure; Upper and lower guide frame also comprises the spring housing 12 arranged straight up being fixed on lower bolster 3 upper periphery position, be fixed on the reset helical spring 13 arranged straight down in cope match-plate pattern 1 lower surface peripheral position, reset helical spring 13 lower end telescopically inserts and is connected in just right spring housing 12.Like this, the cooperation of guide pillars and bushes can be leaned on to realize guiding, realize the reset of patrix further by the cooperation of reset helical spring and spring housing simultaneously, facilitate pickup after shaping.
Wherein, described upper and lower guide frame also comprises and is fixed on lower bolster side and the height limit plate 14 upwards arranged, height limit plate 14 having the vertical spacing slotted eye arranged, also comprising the stop screw 15 that can slide up and down to through being fixed on after spacing slotted eye on patrix.Like this, the cooperation of spacing slotted eye and stop screw can be leaned on better to realize, and that patrix presses down is spacing, prevents from pressing down excessively and causes the damage of mould; At patrix, one vertical setting of types screw hole can also be set with mounting limit screw further, patrix stroke height requirements different when making stop screw height adjustable to adapt to different tank truing.
Wherein, described die 2 lower surface is on the basis of original fuel tank upper surface arc, middle constant along the center line height of position while welding, these center line both sides of the edge height rising 3-6mm(is preferably 4mm) after be arcuately smoothly transitted into the arcwall face that center line height obtains.Like this, after die profile adjusts upward along the both sides of the edge of welded seam area position center line, fuel tank shell can be eliminated better and to be in welded seam area position in previous process due to the deformation that sheet material resilience causes, ensure shaping effect better.
Wherein, described punch 4 upper surface is on the basis of original oil box cavity upper surface arc, the middle center line height rising 6-9mm(along position while welding is preferably 8mm), this center line both sides of the edge height is constant and be arcuately smoothly transitted into the arcwall face that center line obtains.Like this, after punch surface adjusts upward along the height of welded seam area position center line, also can eliminate fuel tank shell better and be in welded seam area position in previous process due to the deformation that sheet material resilience causes, ensure shaping effect better.
Wherein, above-mentioned cope match-plate pattern 1 and lower bolster 3 peripheral position also horizontally outward projection be provided with hanger 16, in the middle part of described lower bolster 3, punch support plate 17 is installed, punch support plate 17 is installed described punch 4.Like this, the setting of hanger, facilitate mould to carry lifting, punch support plate can facilitate the installation of punch to fix.
When above-mentioned mould is specifically implemented, described in the disappear width of wedge groove be that 8-11mm(is preferably 9mm), the degree of depth is that 0.1-0.4mm(is preferably 0.2mm).General fuel tank t0.8 extends sheet material deeply, and the wedge groove that disappears of this size can meet the wedge demand that disappears better, ensures punching press shaping effect.
Above-mentioned shaping mould, during use, be placed on punch by overlapping the fuel tank upper body (upper left and the welding of upper right portion sheet material obtain) welded, be affixed with fuel tank upper body medium position in the middle part of punch, then the location to fuel tank upper body is realized by location structure, then starting pressure machine drives patrix descending, make that die is descending carries out shaping to fuel tank shell together with punch, material unnecessary for fuel tank shell welded seam area position is squeezed into punch disappears in wedge groove, ensure that fuel tank shell upper surface is smooth flat, meet the requirement of tank design.Therefore this mould stitches protruding during product can be made to eliminate, promote production capacity, guarantee middle seam rounding off and uniformity; There is shaping efficient quick, and the feature that shaping effect is good.
Claims (5)
1. a fuel tank weld seam shaping mould lower die structure, it is characterized in that, comprise lower bolster and be fixed on the punch above lower bolster, described punch upper surface is on the basis of original oil box cavity upper surface arc, the middle center line height rising 6-9mm along position while welding, this center line both sides of the edge height is constant and be arcuately smoothly transitted into the arcwall face that center line obtains.
2. fuel tank weld seam shaping mould lower die structure as claimed in claim 1, is characterized in that, punch upper surface be in and upper convex corresponding to fuel tank upper body smooth shaping surface and at middle part, corresponding position while welding has the wedge groove that disappears.
3. fuel tank weld seam shaping mould lower die structure as claimed in claim 1, is characterized in that, lower bolster peripheral position also horizontally outward projection be provided with hanger, punch support plate is installed in the middle part of described lower bolster, punch support plate installs described punch.
4. fuel tank weld seam shaping mould lower die structure as claimed in claim 1, it is characterized in that, counterdie is also provided with location structure, described location structure, comprise the locating piece being positioned at lower bolster tail position, locating piece upper surface shape is consistent with fuel tank inner chamber upper back shape, and location structure also comprises the alignment pin being positioned at lower bolster head position, the oblique setting of alignment pin forward upward and and oil filler position corresponding.
5. fuel tank weld seam shaping mould lower die structure as claimed in claim 4, it is characterized in that, described alignment pin upper head is conical positioning head, alignment pin afterbody is positioned at the installation cavity be coaxially set, installation cavity is arranged on a mounting blocks of lower bolster head, be provided with retainer spring in described installation cavity, retainer spring two ends are connected to bottom installation cavity and between alignment pin tail end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420633034.XU CN204262163U (en) | 2014-10-29 | 2014-10-29 | A kind of fuel tank weld seam shaping mould lower die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420633034.XU CN204262163U (en) | 2014-10-29 | 2014-10-29 | A kind of fuel tank weld seam shaping mould lower die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204262163U true CN204262163U (en) | 2015-04-15 |
Family
ID=52797062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420633034.XU Expired - Fee Related CN204262163U (en) | 2014-10-29 | 2014-10-29 | A kind of fuel tank weld seam shaping mould lower die structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204262163U (en) |
-
2014
- 2014-10-29 CN CN201420633034.XU patent/CN204262163U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100402177C (en) | Punch process of integral automobile metal bumper | |
| CN201728265U (en) | All aluminum water chamber edge trimming mold for air conditioners | |
| CN104236372A (en) | Collecting chamber, production method of collecting chamber, automobile radiator, and production method of automobile radiator | |
| CN204194591U (en) | A kind of fuel tank weld seam shaping mould location structure | |
| CN104117602B (en) | Cold stamping technology of automobile rear axle housing piece | |
| CN206276800U (en) | The outer hole flanging stamping mold of oil feeding port of automobile gasoline tank | |
| CN202779454U (en) | Drawing mold with upper mold equipped with swaging loose piece | |
| CN204710983U (en) | A kind of motor vehicle brake shoe props up the composite die of block cover plate blanking and punching | |
| CN204262163U (en) | A kind of fuel tank weld seam shaping mould lower die structure | |
| CN204262164U (en) | A kind of fuel tank weld seam shaping mould upper die structure | |
| CN204194607U (en) | The upper and lower guide frame of a kind of fuel tank weld seam shaping mould | |
| CN104492941B (en) | A kind of three oblique cut grafting fluxing oil box shaping moulds | |
| CN104438828B (en) | Seam shaping methods in a kind of three oblique cut grafting fluxing oil boxs | |
| CN202824376U (en) | Punching processing device of flanging inverted arc of steering knuckle bracket | |
| CN104308029B (en) | A kind of round and smooth shape motorcycle tank manufacture method | |
| CN203245322U (en) | Rear axle housing piece shaping angle upsetting die | |
| CN202571023U (en) | End socket composite die | |
| CN206215772U (en) | A kind of vehicle side-wall outer-plate drawing die with auxiliary drawing punch | |
| CN115213314A (en) | Drawing forming method, drawing forming die and vehicle body side outer panel | |
| CN203565698U (en) | Adjustable positioning device | |
| CN203621222U (en) | Drawing die | |
| CN208513480U (en) | Stringer upper plate stretch form die | |
| CN203508794U (en) | Multifunctional universal compression mould capable of adjusting curvature radius | |
| CN202290987U (en) | Worm transmission type hose hoop shell processing device | |
| CN207303620U (en) | A kind of punching crimp of wire connection terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151117 Address after: 400054 Banan District, Chongqing building Avenue, No. 2, building 1 Patentee after: CHONGQING CONSTRUCTION ELECTROMECHANICAL CO., LTD. Address before: 400054 Huaxi Industrial Park, Banan District, Chongqing Road, No. 1 Patentee before: Chongqing Jianshe Motorcycle Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20171029 |