CN107520300B - 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
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- CN107520300B CN107520300B CN201710587150.0A CN201710587150A CN107520300B CN 107520300 B CN107520300 B CN 107520300B CN 201710587150 A CN201710587150 A CN 201710587150A CN 107520300 B CN107520300 B CN 107520300B
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- Prior art keywords
- horizontal
- fuse
- air flue
- cabinet
- vertical
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- 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, including cabinet and the horizontal-clamping mechanism being mounted at cabinet, vertical clamp system and air flue mechanism, the vertical clamp system of the horizontal-clamping mechanism respectively from horizontal direction, vertical direction clamping closure type chamber bumper；The air flue mechanism includes rear backing plate, fuse transition block and fuse, fuse gabarit is matched with the inner surface contour of near closed hollow ring bumper, fuse is equipped with fuse air flue, cabinet is equipped with cabinet air flue, backing plate is equipped with rear backing plate air flue afterwards, backing plate air flue after the connection of cabinet air flue, rear backing plate air flue are connected to 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 that the fuse of traditional metal material and polymer composite is substituted with high pressure gas.Production cost can be reduced using the present invention, simplify stretch bending process；Using pressure-air as filler, with material environmental protection, Ke Xunhuanliyong advantage.
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 technique
Bumper is security performance part important in body of a motor car, usually in the entire vehicle design stage due to vehicle to be considered
The various impact test effects of the aesthetics of body and its later period, need bumper processing certain radian, which passes through
Stretch-bending molding process is realized.During bending forming, stretch bending is carried out again after usually first clamping a vertical profile
Molding.When carrying out bending forming to the closed bumper of type chamber as shown in Figure 7, the intrados and extrados to bumper are needed
It is stretched simultaneously, if will lead to product extrados without filler in the near closed hollow ring of bumper and collapse, as shown in Figure 8.
At present when bumper stretch bending closed for type chamber, the intracavitary filler of type mostly uses metal material or polymer composite,
When the internal lesser bumper of arc radius carries out stretch bending, it is necessary to be filled using polymer composite, with metal material
Filler, which is easy to produce, makes the generation of bumper outer surface cough up trace, and product appearance quality is difficult to ensure.The major defect of above-mentioned technique
For higher cost；It is good with the inner cavity compactness of bumper although high molecular material good toughness, also there is intensity low simultaneously, is easy
The shortcomings that scratching, wearing is generated during the work time, it is therefore desirable to frequently replacement.
Summary of the invention
It is an object of the invention to aiming at the disadvantages of the prior art, provide one kind to reduce production cost and avoidable insurance
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 solved with following technical proposals:
A kind of inflation clamping device near closed hollow ring bumper bending forming, including cabinet and is mounted at cabinet
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 type chamber bumper；The air flue mechanism includes rear backing plate, fuse transition block and fuse, rear backing plate
It is fixed in cabinet, rear backing plate is equipped with rear backing plate air flue, is fixed seal connection, fuse mistake between rear backing plate and fuse transition block
Crossing is fixed seal connection between block and fuse, and fuse gabarit is matched with the inner surface contour of near closed hollow ring bumper, and fuse is equipped with
Fuse air flue, cabinet are equipped with cabinet air flue, and rear backing plate is equipped with rear backing plate air flue, backing plate air flue after the connection of cabinet air flue, rear backing plate
Air flue is connected to fuse air flue.
The above-mentioned inflation clamping device near closed hollow ring bumper bending forming, the horizontal-clamping mechanism are equipped with installation
Horizontal-clamping oil cylinder on the left of cabinet, horizontal-clamping cylinder piston rod connect horizontal slider through horizontal joint, and horizontal slider 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
Corresponding with press horizontal mobile fixture block position, the quiet fixture block transition plates of the horizontal quiet affixed level of fixture block, horizontal quiet fixture block transition plates and cabinet are right
Side wall is affixed.
The above-mentioned inflation clamping device near closed hollow ring bumper bending forming, the vertical clamp system are equipped with installation
Vertical clamping cylinder on cabinet top, vertical clamping cylinder piston rod connect upright slide block through vertical connector, and upright slide block is solid
Connect dynamic fixture block vertically；Vertical clamp system is additionally provided with vertical quiet fixture block, and vertical quiet fixture block is corresponding with vertical dynamic fixture block position, vertically
The affixed vertical quiet fixture block transition plates of quiet fixture block, vertical quiet fixture block transition plates and lower box side wall are affixed.
The above-mentioned inflation clamping device near closed hollow ring bumper bending forming, cabinet is interior to be equipped with limited block, limited block
Backing plate after affixed, the lower surface of limited block and the upper surface slide of horizontal slider 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 equipped 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 is sent into bumper will pass through air flue mechanism for high pressure air
Enclosed type interacvity air-filling realizes the purpose that the fuse of traditional metal material and polymer composite is substituted with high pressure gas.
Production cost can be reduced using the present invention, simplify stretch bending process；Using pressure-air as filler, environmentally friendly with material,
Recyclable advantage.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the B-B cross-sectional view of Fig. 1；
Fig. 3 is the N-N cross-sectional view of Fig. 1；
Fig. 4 is the A-A cross-sectional view of Fig. 1；
Fig. 5 is the C-C cross-sectional view of Fig. 1；
Fig. 6 is the structural schematic diagram that the present invention removes front shroud；
Fig. 7 is a kind of schematic cross-section of closed bumper of type chamber；
Fig. 8 is the schematic diagram that bumper extrados collapses.
Each label in figure are as follows: 1, horizontal-clamping oil cylinder, 2, cabinet, 2-1, cabinet air flue, 3, horizontal joint, 4, horizontal cunning
Block, 5, horizontal transition block, 6, press horizontal mobile fixture block, 7, vertical clamping cylinder, 8, vertical connector, 9, upright slide block, 10, vertical dynamic folder
Block, 11, horizontal quiet fixture block transition plates, 12, horizontal quiet fixture block, 13, rear backing plate, 13-1, rear backing plate air flue, 14, fuse transition block,
15, the first sealing ring, 16, hollow screw, 17, fuse, 17-1, fuse air flue, 18, washer, the 19, second sealing ring, 20, third
Sealing ring, 21, limited block, 22, front shroud, 23, vertical quiet fixture block, 24, vertical quiet fixture block transition plates, 25, end seals pad.
Specific embodiment
Referring to Fig. 1, Fig. 2 and Fig. 4, the present invention include cabinet 2 and be mounted at cabinet respectively from horizontal direction, vertical direction
The horizontal-clamping mechanism of reliable grip product piece, vertical clamp system and high pressure is passed through 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 cabinet afterwards
Interior, rear backing plate is equipped with rear backing plate air flue 13-1, and fuse is equipped with fuse air flue 17-1, and cabinet is equipped with cabinet air flue 2-1, cabinet air flue
Backing plate air flue after connection, rear backing plate air flue are connected to fuse air flue.Backing plate is fixedly connected with cabinet 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, washer 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 third sealing ring 20.Fuse
Gabarit is matched with the inner surface contour of near closed hollow ring bumper product part.The end to product piece end seals is equipped in fuse root
Gasket 25, end seals pad are composite material, have compressibility, are bonded on fuse.Fuse is upper in illustrated embodiment
Two of lower arrangement.
Referring still to Fig. 1, Fig. 2, horizontal-clamping mechanism is equipped with the horizontal-clamping oil cylinder 1 being mounted on the left of cabinet, horizontal-clamping
Cylinder piston rod connects horizontal slider 4, the affixed horizontal transition block 5 of horizontal slider, 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, and horizontal quiet fixture block is corresponding with press horizontal mobile fixture block position, horizontal quiet
The quiet fixture block transition plates 11 of the affixed level of fixture block, horizontal quiet fixture block transition plates and cabinet right side wall are affixed.When horizontal-clamping oil cylinder is living
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 equipped with the vertical clamping cylinder 7 for being mounted on cabinet 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 connector 8；Vertical clamp system is also set
There is vertical quiet fixture block 23, vertical quiet fixture block is corresponding with vertical dynamic fixture block position, the vertical affixed vertical quiet fixture block transition plates of quiet fixture block
24, vertical quiet fixture block transition plates 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 is additionally provided with limited block 21, backing plate after limited block is affixed, the lower surface of limited block in cabinet
It is connect with the upper surface slide of horizontal slider, for the sports limiting to horizontal slider 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 of cabinet is equipped with front shroud 22.
One end of product piece is injected in fuse when the invention works, end and the end seals pad of product piece closely paste
It closes, the gap of 0.1mm is both horizontally and vertically reserved between the inner cavity and fuse of product piece, guarantee that product piece can
Smoothly inject in fuse.Horizontal-clamping mechanism action, until the left and right two sides of product piece be crushed in the horizontal direction it is complete with fuse
Fitting；Then vertical clamp system movement, (produces until the upper and lower surface of product piece is crushed to be bonded completely with fuse in vertical direction
Product part is smaller with the deflection of vertical direction in the horizontal direction, can satisfy tolerance).Fuse is leaned in the inner cavity of product piece in this way
Sealing space is formed with end seals pad, high pressure air gas enters from cabinet air inlet, passes through cabinet air flue, rear backing plate
The intracavitary progress of type that air flue, fuse transition block, hollow screw, fuse air flue are filled with bumper is high-pressure aerated.To in bumper
Filling effect is played during stretch bending, the extrados of bumper is avoided to collapse.
Claims (3)
1. a kind of inflation clamping device near closed hollow ring bumper bending forming, it is characterised in that: including cabinet (2) and peace
Horizontal-clamping mechanism, vertical clamp system and air flue mechanism at cabinet, the horizontal-clamping mechanism, vertical clamp system
Respectively from horizontal direction, vertical direction clamping closure type chamber bumper；The air flue mechanism includes rear backing plate (13), fuse transition
Block (14) and fuse (17), rear backing plate are fixed in cabinet, and rear backing plate is equipped with rear backing plate air flue, rear backing plate and fuse transition block it
Between be fixed seal connection, be fixed seal connection, fuse gabarit and near closed hollow ring bumper between fuse transition block and fuse
Inner surface contour matching, fuse be equipped with fuse air flue (17-1), cabinet be equipped with cabinet air flue (2-1), cabinet air flue connection after pad
Plate air flue, rear backing plate air flue are connected to fuse air flue；
The horizontal-clamping mechanism is equipped with the horizontal-clamping oil cylinder (1) being mounted on the left of cabinet, horizontal-clamping cylinder piston rod warp
Horizontal joint (3) connects horizontal slider (4), the affixed horizontal transition block (5) of horizontal slider, the affixed press horizontal mobile fixture block of horizontal transition block
(6)；Horizontal-clamping mechanism is additionally provided with horizontal quiet fixture block (12), and horizontal quiet fixture block is corresponding with press horizontal mobile fixture block position, horizontal quiet folder
The quiet fixture block transition plates (11) of the affixed level of block, horizontal quiet fixture block transition plates and cabinet right side wall are affixed；
The vertical clamp system is equipped with the vertical clamping cylinder (7) for being mounted on cabinet top, vertical clamping cylinder piston rod warp
Vertical connector (8) connection upright slide block (9), upright slide block are affixed dynamic vertically fixture block (10)；Vertical clamp system is additionally provided with vertically
Quiet fixture block (23), vertical quiet fixture block is corresponding with vertical dynamic fixture block position, the vertical affixed vertical quiet fixture block transition plates (24) of quiet fixture block,
Vertical quiet fixture block transition plates and lower box side wall are affixed；
Between the inner cavity and fuse of near closed hollow ring bumper product part both horizontally and vertically between reserved 0.1mm
Gap, horizontal-clamping mechanism action when work, until the left and right two sides of near closed hollow ring bumper product part be crushed in the horizontal direction and
Fuse is bonded completely, vertical clamp system movement, until the upper and lower surface of near closed hollow ring bumper product part is pressed in vertical direction
It bursts and fuse is bonded completely, the inner cavity of near closed hollow ring bumper product part forms sealing space by fuse and end seals pad, high
It presses compressed air gas to enter from cabinet air inlet, plays filling effect during near closed hollow ring bumper product part stretch bending,
The extrados of near closed hollow ring bumper product part is avoided to collapse.
2. the inflation clamping device according to claim 1 near closed hollow ring bumper bending forming, it is characterised in that:
Limited block (21) are equipped in cabinet, backing plate after limited block is affixed, the lower surface of limited block and the upper surface slide of horizontal slider connect
It connects, the side surface of limited block and the side surface of upright slide block are slidably connected.
3. the inflation clamping device according to claim 2 near closed hollow ring bumper bending forming, it is characterised in that:
The fuse root is equipped 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 CN107520300A (en) | 2017-12-29 |
| CN107520300B true CN107520300B (en) | 2019-04-16 |
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| 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 |
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| Country | Link |
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| CN (1) | CN107520300B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (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 |
| CN102172682B (en) * | 2011-01-12 | 2013-02-06 | 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 |
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| CN107520300A (en) | 2017-12-29 |
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