CN107520300A - A kind of inflation clamping device near closed hollow ring bumper bending forming - Google Patents
A kind of inflation clamping device near closed hollow ring bumper bending forming Download PDFInfo
- Publication number
- CN107520300A CN107520300A CN201710587150.0A CN201710587150A CN107520300A CN 107520300 A CN107520300 A CN 107520300A CN 201710587150 A CN201710587150 A CN 201710587150A CN 107520300 A CN107520300 A CN 107520300A
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- China
- Prior art keywords
- fuse
- air flue
- horizontal
- casing
- backing plate
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/15—Bending tubes using mandrels or the like using filling material of indefinite shape, e.g. sand, plastic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
A kind of inflation clamping device near closed hollow ring bumper bending forming, horizontal-clamping mechanism, vertical clamp system and air flue mechanism including casing and at casing, the vertical clamp system of the horizontal-clamping mechanism respectively from horizontal direction, vertical direction clamping closure die cavity bumper；The air flue mechanism includes rear backing plate, fuse transition block and fuse, fuse gabarit matches with the inner surface contour of near closed hollow ring bumper, fuse is provided with fuse air flue, casing is provided with casing air flue, backing plate is provided with rear backing plate air flue afterwards, backing plate air flue after the connection of casing air flue, rear backing plate air flue connect fuse air flue.High pressure air is sent into the enclosed type interacvity air-filling of bumper by air flue mechanism by the present invention, realizes the purpose for the fuse that traditional metal material and polymer composite are substituted with gases at high pressure.Production cost can be reduced using the present invention, simplify stretch bending process；Using pressure-air as filler, there is material environment friendly, the advantage of reusable edible.
Description
Technical field
The present invention relates to a kind of clamping device, specifically a kind of inflation near closed hollow ring bumper bending forming
Clamping device.
Background technology
Bumper is security performance part important in body of a motor car, generally in the entire vehicle design stage due to car to be considered
, it is necessary to which bumper is processed into certain radian, the radian passes through the various impact test effects in the aesthetic property of body and its later stage
Stretch-bending molding process is realized.During bending forming, stretch bending is carried out again after typically a vertical profile is first clamped
Shaping.When the bumper closed to die cavity as shown in Figure 7 carries out bending forming, it is necessary to intrados and extrados to bumper
Stretched simultaneously, if there is no filler in the near closed hollow ring of bumper, product extrados can be caused to collapse, as shown in Figure 8.
When at present for the bumper stretch bending of die cavity closing, the filler in die cavity uses metal material or polymer composite more,
When the internal less bumper of arc radius carries out stretch bending, it is necessary to be filled using polymer composite, with metal material
Filler, which easily produces, makes the generation of bumper outer surface cough up trace, and product appearance quality is difficult to ensure that.The major defect of above-mentioned technique
It is higher for cost；It is good with the inner chamber compactness of bumper although high polymer material good toughness, also there is low intensity simultaneously, easily
The shortcomings that producing scratch, abrasion in the course of the work, it is therefore desirable to frequently change.
The content of the invention
It is an object of the invention to the drawback for prior art, there is provided one kind can reduce production cost and can avoid insuring
The inflation clamping device near closed hollow ring bumper bending forming that thick stick stretch bending process extrados collapses.
Problem of the present invention is that solved with following technical proposals：
A kind of inflation clamping device near closed hollow ring bumper bending forming, including casing and at casing
Horizontal-clamping mechanism, vertical clamp system and air flue mechanism, the vertical clamp system of horizontal-clamping mechanism is respectively from level side
To, vertical direction clamping closure die cavity bumper；The air flue mechanism includes rear backing plate, fuse transition block and fuse, rear backing plate
It is fixed in casing, rear backing plate is provided with rear backing plate air flue, is fixed seal connection between rear backing plate and fuse transition block, fuse mistake
It is fixed seal connection to cross between block and fuse, and fuse gabarit is matched with the inner surface contour of near closed hollow ring bumper, and fuse is provided with
Fuse air flue, casing are provided with casing air flue, and rear backing plate is provided with rear backing plate air flue, backing plate air flue after the connection of casing air flue, rear backing plate
Air flue connects fuse air flue.
The above-mentioned inflation clamping device near closed hollow ring bumper bending forming, the horizontal-clamping mechanism are provided with installation
Horizontal-clamping oil cylinder on the left of casing, horizontal-clamping cylinder piston rod connect cross sliding clock through horizontal joint, and cross sliding clock is solid
The flat transition block of water receiving, the affixed press horizontal mobile fixture block of horizontal transition block；Horizontal-clamping mechanism is additionally provided with horizontal quiet fixture block, horizontal quiet fixture block
It is right with press horizontal mobile fixture block position correspondence, the quiet fixture block rebound of the horizontal quiet affixed level of fixture block, horizontal quiet fixture block rebound and casing
Side wall is affixed.
The above-mentioned inflation clamping device near closed hollow ring bumper bending forming, the vertical clamp system are provided with installation
Vertical clamping cylinder on casing top, vertical clamping cylinder piston rod connect upright slide block through vertical joint, and upright slide block is solid
Connect dynamic fixture block vertically；Vertical clamp system is additionally provided with vertical quiet fixture block, vertical quiet fixture block and dynamic fixture block position correspondence vertically, vertically
The affixed vertical quiet fixture block rebound of quiet fixture block, vertical quiet fixture block rebound and lower box side wall are affixed.
The above-mentioned inflation clamping device near closed hollow ring bumper bending forming, casing is interior to be provided with limited block, limited block
Backing plate after affixed, the lower surface of limited block and the upper surface slide of cross sliding clock connect, the side surface of limited block and upright slide block
Side surface be slidably connected.
The above-mentioned inflation clamping device near closed hollow ring bumper bending forming, the fuse root are provided with end seals
Pad.
The present invention devises a kind of inflation clamping device according to the design feature of near closed hollow ring bumper.Described device is to quilt
The upper and lower, left and right face of processing bumper simultaneously clamps on, and high pressure air is sent into bumper will pass through air flue mechanism
Enclosed type interacvity air-filling, realize the purpose for the fuse that traditional metal material and polymer composite are substituted with gases at high pressure.
Production cost can be reduced using the present invention, simplify stretch bending process；Using pressure-air as filler, have material environment friendly,
The advantage of reusable edible.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 B-B sectional views；
Fig. 3 is Fig. 1 N-N sectional views；
Fig. 4 is Fig. 1 A-A sectional views；
Fig. 5 is Fig. 1 C-C sectional views；
Fig. 6 is the structural representation that the present invention removes front shroud；
Fig. 7 is a kind of schematic cross-section of the bumper of die cavity closing；
Fig. 8 is the schematic diagram that bumper extrados collapses.
In figure respectively marked as：1st, horizontal-clamping oil cylinder, 2, casing, 2-1, casing air flue, 3, horizontal joint, 4, horizontal sliding
Block, 5, horizontal transition block, 6, press horizontal mobile fixture block, 7, vertical clamping cylinder, 8, vertical joint, 9, upright slide block, 10, vertical dynamic folder
Block, 11, horizontal quiet fixture block rebound, 12, horizontal quiet fixture block, 13, rear backing plate, 13-1, rear backing plate air flue, 14, fuse transition block,
15th, the first sealing ring, 16, hollow screw, 17, fuse, 17-1, fuse air flue, 18, packing ring, the 19, second sealing ring, the 20, the 3rd
Sealing ring, 21, limited block, 22, front shroud, 23, vertical quiet fixture block, 24, vertical quiet fixture block rebound, 25, end seals pad.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 4, the present invention include casing 2 and at casing respectively from horizontal direction, vertical direction
The horizontal-clamping mechanism of reliable grip product piece, vertical clamp system and it is passed through high pressure near closed hollow ring bumper product part
The air flue mechanism of compressed gas.Air flue mechanism includes rear backing plate 13, fuse transition block 14 and fuse 17.Backing plate is fixed on casing afterwards
Interior, rear backing plate is provided with rear backing plate air flue 13-1, and fuse is provided with fuse air flue 17-1, and casing is provided with casing air flue 2-1, casing air flue
Backing plate air flue after connection, rear backing plate air flue connect fuse air flue.Backing plate is fixedly connected with casing afterwards.Fuse transition block and rear backing plate
It is fixedly connected, is sealed between the two with the first sealing ring 15.Fuse has the hollow screw 16, packing ring 18 and core of through hole by centre
Sub- transition block 14 is connected, and is sealed between fuse and fuse transition block by the second sealing ring 19 and the 3rd sealing ring 20.Fuse
Gabarit matches with the inner surface contour of near closed hollow ring bumper product part.The termination to product piece end seals is provided with fuse root
Sealing gasket 25, end seals pad are composite, have compressibility, are bonded on fuse.It is upper to illustrate fuse in embodiment
Two of lower arrangement.
Referring still to Fig. 1, Fig. 2, horizontal-clamping mechanism is provided with the horizontal-clamping oil cylinder 1 being arranged on the left of casing, horizontal-clamping
Cylinder piston rod connects cross sliding clock 4, the affixed horizontal transition block 5 of cross sliding clock, the affixed level of horizontal transition block through horizontal joint 3
Dynamic fixture block 6；Horizontal-clamping mechanism is additionally provided with horizontal quiet fixture block 12, horizontal quiet fixture block and press horizontal mobile fixture block position correspondence, horizontal quiet
The quiet fixture block rebound 11 of the affixed level of fixture block, horizontal quiet fixture block rebound and casing right side wall are affixed.When horizontal-clamping oil cylinder is lived
When stopper rod stretches out, press horizontal mobile fixture block and horizontal quiet fixture block are clamped product piece by horizontal direction.
Referring still to Fig. 1, Fig. 4, vertical clamp system is provided with the vertical clamping cylinder 7 installed in casing top, vertical to clamp
Cylinder piston rod connects upright slide block 9, the affixed fixture block 10 dynamic vertically of upright slide block through vertical joint 8；Vertical clamp system is also set
There are vertical quiet fixture block 23, vertical quiet fixture block and dynamic fixture block position correspondence vertically, the vertical affixed vertical quiet fixture block rebound of quiet fixture block
24, vertical quiet fixture block rebound and lower box side wall are affixed.When vertical clamping cylinder piston rod stretches out, vertically dynamic fixture block and
Vertical quiet fixture block is clamped product piece by vertical direction.
Referring to Fig. 3, Fig. 5 and Fig. 6, limited block 21, backing plate after limited block is affixed, the lower surface of limited block are additionally provided with casing
It is connected with the upper surface slide of cross sliding clock, for the sports limiting to cross sliding clock 4；The side surface of limited block and upright slide block
Side surface be slidably connected, for the sports limiting to upright slide block 9.The front portion of casing is provided with front shroud 22.
One end of product piece is injected in fuse during present invention work, termination and the end seals pad of product piece closely paste
Close, 0.1mm gap is both horizontally and vertically reserved between the inner chamber of product piece and fuse, ensure that product piece can
Smoothly inject in fuse.Horizontal-clamping mechanism action, it is complete by conquassation and fuse in the horizontal direction to the left and right two sides of product piece
Fitting；Then vertical clamp system action, the upper and lower surface to product piece are bonded (production completely in vertical direction by conquassation and fuse
Product part is smaller with the deflection of vertical direction in the horizontal direction, disclosure satisfy that tolerance).So fuse is leaned in the inner chamber of product piece
Sealing space is formed with end seals pad, high pressure air gas enters from casing air inlet, passes through casing air flue, rear backing plate
It is high-pressure aerated that air flue, fuse transition block, hollow screw, fuse air flue are filled with progress in the die cavity of bumper.So as in bumper
Filling effect is played during stretch bending, avoids the extrados of bumper from collapsing.
Claims (5)
- A kind of 1. inflation clamping device near closed hollow ring bumper bending forming, it is characterised in that：Including casing (2) and peace Horizontal-clamping mechanism, vertical clamp system and air flue mechanism at casing, the vertical clamp system of horizontal-clamping mechanism Respectively from horizontal direction, vertical direction clamping closure die cavity bumper；The air flue mechanism includes rear backing plate (13), fuse transition Block (14) and fuse (17), rear backing plate are fixed in casing, and rear backing plate is provided with rear backing plate air flue, rear backing plate and fuse transition block it Between be fixed seal connection, be fixed seal connection between fuse transition block and fuse, fuse gabarit and near closed hollow ring bumper Inner surface contour matching, fuse is provided with fuse air flue (17-1), and casing is provided with casing air flue (2-1), and rear backing plate is provided with rear backing plate Air flue (13-1), backing plate air flue after the connection of casing air flue, rear backing plate air flue connect fuse air flue.
- 2. the inflation clamping device according to claim 1 near closed hollow ring bumper bending forming, it is characterised in that： The horizontal-clamping mechanism is provided with the horizontal-clamping oil cylinder (1) being arranged on the left of casing, and horizontal-clamping cylinder piston rod is through level Joint (3) connection cross sliding clock (4), the affixed horizontal transition block (5) of cross sliding clock, the affixed press horizontal mobile fixture block (6) of horizontal transition block； Horizontal-clamping mechanism is additionally provided with horizontal quiet fixture block (12), horizontal quiet fixture block and press horizontal mobile fixture block position correspondence, and horizontal quiet fixture block is consolidated Water receiving calmness fixture block rebound (11), horizontal quiet fixture block rebound and casing right side wall are affixed.
- 3. the inflation clamping device according to claim 1 near closed hollow ring bumper bending forming, it is characterised in that： The vertical clamp system is provided with the vertical clamping cylinder (7) installed in casing top, and vertical clamping cylinder piston rod is through vertical Joint (8) connection upright slide block (9), the affixed fixture block (10) dynamic vertically of upright slide block；Vertical clamp system is additionally provided with vertical quiet folder Block (23), vertical quiet fixture block and dynamic fixture block position correspondence vertically, the vertical affixed vertical quiet fixture block rebound (24) of quiet fixture block, vertically Quiet fixture block rebound and lower box side wall are affixed.
- 4. the inflation clamping device near closed hollow ring bumper bending forming according to Claims 2 or 3, its feature exist In：Limited block (21), backing plate after limited block is affixed, the lower surface of limited block and the upper surface slide of cross sliding clock are provided with casing Connection, the side surface of limited block and the side surface of upright slide block are slidably connected.
- 5. the inflation clamping device according to claim 4 near closed hollow ring bumper bending forming, it is characterised in that： The fuse root is provided with end seals pad (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587150.0A CN107520300B (en) | 2017-07-18 | 2017-07-18 | A kind of inflation clamping device near closed hollow ring bumper bending forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710587150.0A CN107520300B (en) | 2017-07-18 | 2017-07-18 | A kind of inflation clamping device near closed hollow ring bumper bending forming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107520300A true CN107520300A (en) | 2017-12-29 |
| CN107520300B CN107520300B (en) | 2019-04-16 |
Family
ID=60749111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710587150.0A Active CN107520300B (en) | 2017-07-18 | 2017-07-18 | A kind of inflation clamping device near closed hollow ring bumper bending forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107520300B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385358A (en) * | 2019-07-25 | 2019-10-29 | 凌云工业股份有限公司汽车零部件研发分公司 | A kind of molding die of automobile S type aluminium alloy extrusions bumper |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000312923A (en) * | 1999-04-28 | 2000-11-14 | Tk:Kk | Pipe concave part molding method, and molding device |
| CN102172682A (en) * | 2011-01-12 | 2011-09-07 | 哈尔滨工业大学 | Device and method for bending pipe with sealed end by using tension rope or plug |
| CN102319778A (en) * | 2011-07-18 | 2012-01-18 | 吉林诺亚机电科技有限公司 | Method for bending and forming aluminum section side column member of railway vehicle body |
| CN106239001A (en) * | 2016-08-29 | 2016-12-21 | 合肥常青机械股份有限公司 | Bumper cross beam pie welding clamp |
| CN205833908U (en) * | 2016-03-29 | 2016-12-28 | 王志中 | Stretch benders |
| CN106825160A (en) * | 2016-12-23 | 2017-06-13 | 重庆大学 | The method for reducing bend pipe cross section distortion using magnetorheological packing material |
-
2017
- 2017-07-18 CN CN201710587150.0A patent/CN107520300B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000312923A (en) * | 1999-04-28 | 2000-11-14 | Tk:Kk | Pipe concave part molding method, and molding device |
| CN102172682A (en) * | 2011-01-12 | 2011-09-07 | 哈尔滨工业大学 | Device and method for bending pipe with sealed end by using tension rope or plug |
| CN102319778A (en) * | 2011-07-18 | 2012-01-18 | 吉林诺亚机电科技有限公司 | Method for bending and forming aluminum section side column member of railway vehicle body |
| CN205833908U (en) * | 2016-03-29 | 2016-12-28 | 王志中 | Stretch benders |
| CN106239001A (en) * | 2016-08-29 | 2016-12-21 | 合肥常青机械股份有限公司 | Bumper cross beam pie welding clamp |
| CN106825160A (en) * | 2016-12-23 | 2017-06-13 | 重庆大学 | The method for reducing bend pipe cross section distortion using magnetorheological packing material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385358A (en) * | 2019-07-25 | 2019-10-29 | 凌云工业股份有限公司汽车零部件研发分公司 | A kind of molding die of automobile S type aluminium alloy extrusions bumper |
| CN110385358B (en) * | 2019-07-25 | 2024-05-14 | 凌云工业股份有限公司汽车零部件研发分公司 | Forming die of S-shaped aluminum alloy section bar bumper for automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107520300B (en) | 2019-04-16 |
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