CN103264111A - Clamping pad used for stretch bending of hollow metal tube section bar - Google Patents
Clamping pad used for stretch bending of hollow metal tube section bar Download PDFInfo
- Publication number
- CN103264111A CN103264111A CN2013101995968A CN201310199596A CN103264111A CN 103264111 A CN103264111 A CN 103264111A CN 2013101995968 A CN2013101995968 A CN 2013101995968A CN 201310199596 A CN201310199596 A CN 201310199596A CN 103264111 A CN103264111 A CN 103264111A
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- China
- Prior art keywords
- skewback
- clamp pad
- bolt
- inclined block
- section bar
- 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.)
- Granted
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- 238000005452 bending Methods 0.000 title claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 10
- 239000002184 metal Substances 0.000 title claims abstract description 10
- 238000012856 packing Methods 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 31
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000003462 Bender reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000720 Silicomanganese Inorganic materials 0.000 description 2
- 239000007799 cork Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Abstract
A clamping pad (3) used for stretch bending of a hollow metal tube section bar is composed of a left inclined block (31), a right inclined block (32), a gasket (37), a bolt (38) and a handle (39). The left inclined block (31) is provided with a left slope (33), a dovetail groove (35) is formed along the left slope (33), the right inclined block (32) is provided with a right slope (34), a dovetail-shaped protrusion (36) is arranged along the right slope (34), and the dovetail groove (35) and the dovetail-shaped protrusion (36) are matched mutually in shape, so that the left inclined block (31) and the right inclined block (32) slide relative to each other. The bolt (38) is screwed in a screw hole formed in the end face of the right inclined block (32) through the gasket (37), and when the bolt (38) is screwed down, the gasket (37) is connected with the end face of the left inclined block (31) and the end face of the right inclined block (32) in an abutting-against mode. By the adoption of the clamping pad, the tube section bar can be reliably, conveniently and rapidly fixed on a clamping head of a stretch-bending machine.
Description
Technical field
The present invention relates to a kind of clamp pad, especially relate to a kind of clamp pad of stretch bending hollow metal pipe profile.
Background technology
Track train since coming out always as a kind of important vehicles and extensive use, particularly in recent years since, the high-speed railway passenger development is rapidly.In order to ensure high-speed railway passenger from heavy and light, aluminum alloy materials is widely used among the manufacturing of appurtenances such as door and window of train, wherein aluminum rectangular tube has obtained technical staff's extensive concern especially.At present, the aluminum rectangular tube that is applied to the vehicle member such as door pillar, doorframe of track train mainly adopts stretch wrap forming technology to carry out bending, makes it meet the shape need of train composition.
Stretch wrap forming technology is finished at stretch benders, so the two ends of aluminum rectangular tube need be clamped on the clamping head of stretch bending.After the clamping, stretch benders apply tensile stress and bending stress to aluminum rectangular tube, and then make its bending forming, obtain formed parts.For aluminum rectangular tube being clamped in securely on the clamping head of stretch benders, clamping head must apply bigger radial pressure to the two ends of aluminum rectangular tube, to guarantee that in the stretch bending process, the two ends of aluminum rectangular tube can not deviate from from clamping head.Yet aluminum rectangular tube is the thin-walled tubulose section bar of inner hollow, and its undercapacity radially is with the radial pressure that clamping head was applied of opposing stretch benders, and the part that the clamped head-clamp in the both ends of aluminum rectangular tube is held deforms easily.This can influence normally carrying out of stretch wrap forming process, can influence the quality of formed parts simultaneously.
In addition, how that aluminum rectangular tube is reliable, convenient, promptly be fixed on the clamping head of stretch benders in the stretch bending process production process, become a bottleneck of the production efficiency of restriction stretch wrap forming.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this invention is to provide the clamp pad on a kind of clamping head that can reliable, convenient, promptly aluminum rectangular tube be fixed on stretch benders.In order to reach this purpose, the present invention has adopted following technical scheme.
A kind of clamp pad for stretch bending hollow metal pipe profile, with fixing described hollow metal pipe profile, it is characterized in that: described clamp pad is made of left skewback, right skewback, packing ring, bolt and handle in the cavity on the two end portions of this clamp pad insertion hollow metal pipe profile; Left side skewback has a left tilted surface, is provided with dovetail groove along left tilted surface; Right skewback has a right tilted surface, is provided with the dovetail shaped projection along right tilted surface; The shape of dovetail groove and dovetail shaped projection cooperatively interacts, and makes left skewback can slide relatively with right skewback; Bolt screws in by packing ring in the screw of offering on the end face of right skewback, and when described bolt was tightened, packing ring was connected to the end face of left skewback and right skewback.
In a preferred embodiment, bolt is hexagon socket head cap screw, and handle is made of bolt or screw.
In a further advantageous embodiment, the right flank of the left surface of left skewback and right skewback has different shapes with the inner surface configuration of the cavity of cooperation tubing.
Advantage of the present invention is, in use only need knock left skewback or right skewback gently and make it produce minute movement, can easily clamp pad be installed on the tubing or from tubing and unload.
Another advantage of the present invention is, by tightening or unclamping bolt a few can be realized the locked of clamp pad or discharge.Simple to operate, mechanism kinematic is reliable.
Advantage of the present invention is more outstanding is embodied in the stretch bending process of the rectangular tube with rectangular enclosure that this clamp pad can be applied to metal material, does not damage formed parts to guarantee forming process, guarantees that forming process is stable to carry out.Especially can be applied to aluminum rectangular tube, comprise silicomanganese aluminum rectangular tube etc.This clamp pad can also be applied to the stretch bending of stainless steel rectangular pipe.
Description of drawings
Fig. 1 is the aluminum rectangular tube schematic diagram;
Fig. 2 is door pillar or the doorframe component finished product schematic diagram behind stretch wrap forming;
Fig. 3 is clamp pad schematic diagram of the present invention;
Fig. 4 is the preferred embodiment schematic diagram of clamp pad of the present invention;
Fig. 5 is the original state schematic diagram of clamp pad.
The specific embodiment
Describe performance of the present invention in detail below in conjunction with accompanying drawing, but their also paired restrictions of the present invention are inadequately only given an example.Simultaneously by illustrating that advantage of the present invention will become clear more and understanding easily.
As shown in Figure 1, be aluminum rectangular tube 1 for the production of the raw material of high-speed railway passenger door pillar of the present invention or doorframe component, silicomanganese aluminum rectangular tube particularly.Rectangular tube 1 is made of rectangular shaped rim 11, middle partition 12, upper side edge 13, cuts off 12 in rectangular shaped rim 11 quilts and separately forms two tubular cavities, be i.e. upper plenum 14 and following cavity 15.To rectangular tube 1 apply bending can obtain as shown in Figure 2 the high-speed railway passenger door pillar or the finished product of doorframe component 2.In Fig. 2, door pillar or doorframe component 2 have one or the more than one section of stretching 21 and one or more than one bending section 22.
For rectangular tube 1 is fixed on the clamping head of stretch benders, and protects and can not cause the rectangular tube distortion in the clamping process, need clamp pad be set respectively being held on the part of rectangular tube two ends.
What should be understood is that the clamp pad scope of application of the present invention includes but are not limited to rectangular tube, also can be the hollow tube section bar of round tube or other odd-shaped cross sections.The clamp pad scope of application of the present invention includes but are not limited to aluminium-alloy pipe, also can make the hollow tube section bar of stainless steel tube section bar or other materials.
Introduce the concrete structure of clamp pad below with reference to Fig. 3.Clamp pad 3 is made of left skewback 31, right skewback 32, packing ring 37, bolt 38 and handle 39.Left side skewback 31 is for having the wedge-like block of left tilted surface 33, and left tilted surface 33 is provided with dovetail groove 35.Right skewback 32 is for having the wedge-like block of right tilted surface 34, and right tilted surface 32 is provided with dovetail shaped slide block 36.Left tilted surface 33 and right tilted surface 34 cooperatively interact, and dovetail groove 35 cooperatively interacts with the shape of dovetail shaped slide block 36.In use, dovetail shaped slide block 36 inserts in the dovetail groove 35 and can be free to slide therein.The end face of right skewback 32 is provided with a screw (not shown), and bolt 38 screws in the screw by packing ring 37.Under the state that bolt 38 is tightened, the inboard face of packing ring 37 and the end face butt of clamp pad 3, thus clamp pad 3 is locked.Also be provided with a handle 39 on the end face of left side skewback 31.The upper plenum 14 of the face size of clamp pad 3 and aluminum rectangular tube 1, down cavity 15 is measure-alike, formation interference fit when clamp pad 3 is fit into the upper plenum 14 of aluminum rectangular tube and following cavity 15.
In a preferred embodiment, bolt 38 is hexagon socket head cap screw, and handle 39 is made of the bolt in the screw (not shown) that screws on the left skewback 31.
In another preferred embodiment shown in Figure 4 (identical parts have adopted identical Reference numeral), be provided with a step on the left surface 30 of left skewback 31, change with the inner surface configuration that is matched with aluminum rectangular tube 1.What expect easily is that left skewback 31 all can arrange different shapes with the right flank of left surface and right skewback 32, so that it matches with the inner surface configuration of aluminum rectangular tube.
The process at two ends that clamp pad 3 is installed into aluminum rectangular tube 1 is as follows.When original state, hexagon socket head cap screw 38 is not tightened, and packing ring 37 is not connected to the end face of left skewback 31 and right skewback 32, and left skewback 31 can slide relatively with right skewback 32.As shown in Figure 5, along with left skewback 31 slides towards foreign side, under the effect on inclined-plane, the width of clamp pad 3 on left and right directions reduces, width will be slightly less than the upper plenum 14 of aluminum rectangular tube 1, the width of following cavity 15 this moment, can like a cork clamp pad 3 be put into the cavity of aluminum rectangular tube 1.End face with right skewback 32 when putting into clamp pad 3 aligns with the end face of aluminum rectangular tube 1.Subsequently, knock left skewback 31 gently it is rearward slided, align with the end face of aluminum rectangular tube 1 until the end face of left skewback 31, and clamp pad 3 cooperates closely with the cavity of aluminum rectangular tube 1.At last, tighten hexagon socket head cap screw 38, be connected to the end face of clamp pad 3 until packing ring 38, and clamp pad 3 is locked.
After clamp pad was installed to the cavity at rectangular tube two ends, the two end portions that clamp pad is communicated with rectangular tube was clamped on the clamping head of stretch benders together.Clamp pad has been given the ability of rectangular tube opposing radial pressure, and rectangular tube clamped head-clamp is held Shi Buhui and deformed or damage.After treating that stretch bending process is finished, again clamp pad is unloaded from the two ends of rectangular tube.
The process that clamp pad 3 is unloaded from the two ends of aluminum rectangular tube 1 is as follows.At first, along opposite spin hexagon socket head cap screw 38 a few, bolt 38 is unclamped, packing ring 37 no longer is connected to the end face of clamp pad 3, preferably makes packing ring 37 leave the end face 5-8 millimeter of clamp pad 3.Subsequently, knocking hexagon socket head cap screw gently makes right skewback 32 mobile inwards, preferably make right skewback 32 mobile 5-8 millimeter inwards, this moment, clamp pad 3 was slightly less than the upper plenum 14 of aluminum rectangular tube 1, the width of following cavity 15 at the width of left and right directions under the effect on inclined-plane.At last, catch handle 39 like a cork clamp pad 3 to be unloaded in aluminum rectangular tube 1.When stretching next time, the clamp pad 3 that unloads is installed on the aluminum rectangular tube 1 gets final product.
Clamp pad of the present invention is simple in structure, and is easy and simple to handle, reliable, solved aluminum rectangular tube technical problem of easy damaged material during clamping on stretch benders well.When installing or unloading clamp pad, only need knock left skewback or the right skewback of clamp pad gently, and tighten or unclamp bolt and get final product.
What expect easily is, when being applied to the hollow tube section bar of round tube or other odd-shaped cross sections, only needs appropriate design left side skewback (31) and by the left and right side shape of skewback (32), gets final product with the inner surface of coupling hollow tube section bar.
By reference to the accompanying drawings the specific embodiment of the present invention has been carried out exemplary description above, obvious scope of the present invention is not limited thereto, and the various distortion of making in the thought that the present invention proposes all do not exceed scope of the present invention.
Claims (3)
1. clamp pad that is used for stretch bending hollow metal pipe profile, the cavity that this clamp pad (3) is inserted on the hollow tube section bar two end portions is interior with fixing described pipe profile, and it is characterized in that: described clamp pad (3) is made of left skewback (31), right skewback (32), packing ring (37), bolt (38) and handle (39); Described left skewback (31) has a left tilted surface (33), is provided with dovetail groove (35) along left tilted surface (33); Described right skewback (32) has a right tilted surface (34), is provided with dovetail shaped projection (36) along right tilted surface (34); The shape of dovetail groove (35) and dovetail shaped projection (36) cooperatively interacts, and makes left skewback (31) can slide relatively with right skewback (32); Bolt (38) screws in the screw of offering on the end face of right skewback (32) by packing ring (37), and when described bolt (38) when tightening, packing ring (37) is connected to the end face of left skewback (31) and right skewback (32).
2. the clamp pad for stretch bending hollow metal pipe profile according to claim 1, it is characterized in that: described bolt (38) is hexagon socket head cap screw, and described handle (39) is made of bolt or screw.
3. the clamp pad for stretch bending hollow metal pipe profile according to claim 1 is characterized in that: the right flank of the left surface of described left skewback (31) and right skewback (32) can be designed as different shapes to cooperate the inner surface configuration of hollow tube section bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199596.8A CN103264111B (en) | 2013-05-27 | 2013-05-27 | A kind of clamp pad for stretch bending hollow metal pipe profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310199596.8A CN103264111B (en) | 2013-05-27 | 2013-05-27 | A kind of clamp pad for stretch bending hollow metal pipe profile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103264111A true CN103264111A (en) | 2013-08-28 |
| CN103264111B CN103264111B (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310199596.8A Active CN103264111B (en) | 2013-05-27 | 2013-05-27 | A kind of clamp pad for stretch bending hollow metal pipe profile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103264111B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4337612A1 (en) * | 1993-11-04 | 1995-05-11 | Zdjelar Zvonko | Connecting device |
| DE19649064A1 (en) * | 1996-11-30 | 1998-06-04 | Werner Paulussen | Clamping member for joining tubes having wedge components |
| US5848546A (en) * | 1996-11-27 | 1998-12-15 | Aluminum Company Of America | Method of gripping tubular members during forming operations and associated apparatus |
| DE29717476U1 (en) * | 1997-09-30 | 1999-02-04 | Element System Rudolf Bohnacke | Hollow profile attachment |
| FR2814511A1 (en) * | 2000-09-22 | 2002-03-29 | Innovation Du Batiment Soc | Frame for gate is made up of hollow metal profiles, cross-bars fitting through apertures in upright walls and being held in place by wedges which fit inside them and are tightened by bolt inserted through wall of upright opposite aperture |
| CN201121770Y (en) * | 2007-12-07 | 2008-09-24 | 中冶天工建设有限公司 | Pipe slewing clamping and contraction device |
| CN201399513Y (en) * | 2009-04-28 | 2010-02-10 | 中国重型机械研究院有限公司 | Inner supporting type extension rod mechanism for pipe bending equipment |
| CN202264082U (en) * | 2011-09-13 | 2012-06-06 | 天津精诚机床股份有限公司 | Large aperture workpiece positioning and clamping mechanism |
| CN203265446U (en) * | 2013-05-27 | 2013-11-06 | 倪慨宇 | Clamping cushion for bending hollow metal tube section bar in stretching mode |
-
2013
- 2013-05-27 CN CN201310199596.8A patent/CN103264111B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4337612A1 (en) * | 1993-11-04 | 1995-05-11 | Zdjelar Zvonko | Connecting device |
| US5848546A (en) * | 1996-11-27 | 1998-12-15 | Aluminum Company Of America | Method of gripping tubular members during forming operations and associated apparatus |
| DE19649064A1 (en) * | 1996-11-30 | 1998-06-04 | Werner Paulussen | Clamping member for joining tubes having wedge components |
| DE29717476U1 (en) * | 1997-09-30 | 1999-02-04 | Element System Rudolf Bohnacke | Hollow profile attachment |
| FR2814511A1 (en) * | 2000-09-22 | 2002-03-29 | Innovation Du Batiment Soc | Frame for gate is made up of hollow metal profiles, cross-bars fitting through apertures in upright walls and being held in place by wedges which fit inside them and are tightened by bolt inserted through wall of upright opposite aperture |
| CN201121770Y (en) * | 2007-12-07 | 2008-09-24 | 中冶天工建设有限公司 | Pipe slewing clamping and contraction device |
| CN201399513Y (en) * | 2009-04-28 | 2010-02-10 | 中国重型机械研究院有限公司 | Inner supporting type extension rod mechanism for pipe bending equipment |
| CN202264082U (en) * | 2011-09-13 | 2012-06-06 | 天津精诚机床股份有限公司 | Large aperture workpiece positioning and clamping mechanism |
| CN203265446U (en) * | 2013-05-27 | 2013-11-06 | 倪慨宇 | Clamping cushion for bending hollow metal tube section bar in stretching mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103264111B (en) | 2015-09-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ni Kaiyu Inventor after: Chen Yi Inventor after: Nie Zhenguo Inventor after: Deng Meifeng Inventor after: Nie Zhengang Inventor after: Zhou Lei Inventor before: Ni Kaiyu Inventor before: Chen Yi |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: NI KAIYU CHEN YI TO: NI KAIYU CHEN YI NIE ZHENGUO DENG MEIFENG NIE ZHENGANG ZHOU LEI |
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| SE01 | Entry into force of request for substantive examination | ||
| 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: 20170220 Address after: Fuyao industrial district 350301 Fujian city of Fuqing Province II (Fujian Feng three automotive trim Co.) Patentee after: FUJIAN TRIPLEX AUTOMOTIVE TRIM SYSTEM CO.,LTD. Address before: 241080 Anhui province Wuhu City Sanshan District The Union Buildings C.V.Joint Technology Department Patentee before: Ni Kaiyu Patentee before: Zhang Xin |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 350300 Fuyao Industrial Village, Fuzhou City, Fujian Province Patentee after: FUJIAN FUYAO AUTOMOTIVE TRIM SYSTEM Co.,Ltd. Address before: Fuyao industrial district 350301 Fujian city of Fuqing Province II (Fujian Feng three automotive trim Co.) Patentee before: FUJIAN TRIPLEX AUTOMOTIVE TRIM SYSTEM CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190919 Address after: 350300 Fuyao Industrial Zone 2, Shizhu Street, Fuzhou City, Fujian Province Patentee after: Fuyao Automotive Aluminum Parts (Fujian) Co.,Ltd. Address before: 350300 Fuyao Industrial Village, Fuzhou City, Fujian Province Patentee before: FUJIAN FUYAO AUTOMOTIVE TRIM SYSTEM Co.,Ltd. |