CN1077855C - Method for mfg. pipeline elments - Google Patents
Method for mfg. pipeline elments Download PDFInfo
- Publication number
- CN1077855C CN1077855C CN96111741A CN96111741A CN1077855C CN 1077855 C CN1077855 C CN 1077855C CN 96111741 A CN96111741 A CN 96111741A CN 96111741 A CN96111741 A CN 96111741A CN 1077855 C CN1077855 C CN 1077855C
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- mentioned
- nut
- flat board
- pipe
- cylindrical shell
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- Automatic Cycles, And Cycles In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a producing method of a tube member which improves the matching face precision of a tube member with a member to be joined and improves the reliability against the joining strength. In a case of producing a tube member 25 to be used for joining mutual members to be joined having a curve face, a process to punch both ends of a flat plate 25' having the circumference directional extension dimension (a) of the tube member 25 into a shape (b') extended the contact face (b) of the members 12, 13 to be joined with the tube member 25, a forming process to form the flat plate 25' into a cylinder body and a process to weld mutual butt-matching parts 25a' of the formed cylinder body are provided.
Description
The present invention relates to be used to have the interconnective pipe component manufacture method of transom of curved surface.The vehicle frame that is applied to body of motor cycle with the present invention is an example below, describes.
For the vehicle frame of body of motor cycle, in order to improve the rigidity of left and right sides vehicle frame pipe, take sometimes to connect with transverse tube, also bodywork component is fixed on this transverse tube sometimes with bolt.
When making such vehicle frame, what always adopt is Figure 10 and method shown in Figure 11.At first be ready to manage 402, the both ends of the surface of this pipe 402 are cut into curved surface 402a by the shape of the joint face of above-mentioned vehicle frame pipe 401 by the size between the left and right sides vehicle frame pipe 401,401.Next, on pipe 402, get out, process knock hole 402b and drain gutter 402c etc., make transverse tube 403.Then,, determine good position according to knock hole, in this state it is welded on the vehicle frame pipe 401 with model with the position that two plane of bending 402a of transverse tube 403 place the face that is connected with above-mentioned vehicle frame pipe 401 to join.Then,, above-mentioned vehicle frame pipe 401 is immersed in the coating cylinder, after this will enters again and be coated with feed liquid in the transverse tube 403 and from drain gutter 402c, discharge for antirust.
When on the transverse tube made from said method 402, forming the installation portion of above-mentioned car body member, always the method for Cai Yonging as shown in Figure 12 and Figure 13, at first adopt drawing, make the supporting pieces 406 of the sheet metal system of concave shape, the inside and nut bore 406a coaxial welding upper nut (not expressing among the figure) at this supporting pieces 406, form mount pad 407, again this mount pad is welded on the outside of above-mentioned transverse tube 402.So just, can on above-mentioned mount pad 407, use the bolt bodywork component.
But, adopt above-mentioned manufacture method always, when the cutting processing plane of bending of the two ends of pipe, dimensional accuracy is low, and consequently the joint face precision of vehicle frame pipe and transverse tube is difficult to improve.Particularly in above-mentioned cutting as taking the method for punching, it is impossible cutting complicated shape, so the fiduciary level of its Joint strenght is low, in order to ensure the rigidity of whole vehicle frame, is necessary to improve.
In addition, always used method must be processed knock hole and drain gutter respectively on pipe, prepare mount pad more in addition, therefore the problem that exists productive costs to rise.Also have, because above-mentioned mount pad is to expand above transverse tube, so member can only be contained in above this, area is very little.
The present invention finishes in view of above-mentioned situation always, and purpose is can improve and the precision that is connected the joint face of member in order to provide a kind of, improves the fiduciary level of Joint strenght, reduces the pipe component manufacture method of manufacturing cost simultaneously.
According to the present invention, a kind of interconnective pipe component manufacture method of transom that is used to have curved surface is provided, it is characterized in that connecing the cutting action that the above-mentioned shape that is connected member and the expansion of pipe component joint face is cut by the connection side end of the flat board that will have aforementioned tube component circumference direction development size, with the forming process of the flat board of this well cutting being made cylindrical shell, and the pipe welding sequence that the docking section of the cylindrical shell after will being shaped welds constitutes.In above-mentioned cutting action, also the circumferencial direction development size of board joint pipe component can be cut.
The invention of invention 2 is according to the described pipe component manufacture method in pipe component recited above manufacturing side, it is characterized in that by the drilling operation that on above-mentioned flat board, forms nut bore, with nut and above-mentioned nut bore coaxial welding are constituted the lip-deep nut welding sequence of its inside face during for cylindrical shell at above-mentioned plate forming, and when above-mentioned cylindrical shell was shaped, the plane that forms planar portions in the nut mounting portion of above-mentioned flat board formed operation and constitutes.Offering also of above-mentioned nut bore can be carried out simultaneously with the cutting that is connected the end.
When making pipe component of the present invention, at first be the flat board of preparing to have pipe component circumferencial direction development size, the both ends that this is dull and stereotyped, by with the expansion shape that is connected member and pipe component joint face, cut with punching processing etc.Then, be that two ends are rolled into cylindrical shell with above-mentioned flat board with above-mentioned cut-out portion, the butted part with flat board welds then.
Adopt the manufacture method of pipe component of the present invention, the side is because dull and stereotyped both ends are to cut by the expansion shape that is connected member and pipe component joint face, so can freely set the shape of this pipe component connecting portion, so just can improve and the precision that is connected the joint face of member.Consequently the fiduciary level to Joint strenght is improved, and when for example interconnecting between vehicle frame, can guarantee the rigidity of vehicle frame.
In the invention of invention 2, because when flat board is die-cut or form nut bore after this, with nut and this nut bore coaxial welding at this dull and stereotyped inside face, and in the nut mounting portion of flat board formation planar portions, so can not want the supporting pieces that always used installation nut is used, need not weld the welding sequence of this supporting pieces yet.In addition, because operation that can be other is carried out boring, the processing of nut bore, so can reduce production costs.Also have, because above-mentioned nut is arranged at the inside of pipe component, the nut portion of this pipe component forms planar portions, so just eliminated flange always, only this any installation position is enlarged, and can further guarantee the erection space on pipe component.
Owing to when on above-mentioned flat board, forming nut bore, can form above-mentioned knock hole and drain gutter simultaneously, can preestablish the position in each hole, so this also can improve the precision of size, reduce production costs.
Fig. 1 is the left side view of the motor scooter of one embodiment of the present of invention.
Fig. 2 is the suspension left side view partly of the engine installation of expression the foregoing description.
Fig. 3 is the cross sectional drawing along the III-III line of Fig. 2.
Fig. 4 is the lateral plan of the longitudinal tubule (L tubule) of expression the foregoing description.
Fig. 5 is the process chart of the manufacture method of the above-mentioned longitudinal tubule (L tubule) of expression.
Fig. 6 is the expansion drawing of above-mentioned longitudinal tubule (L tubule).
Fig. 7 is the planar view of transverse tube manufacture method of an embodiment of the invention of explanation claim 2.
Fig. 8 is the cross sectional drawing of the transverse tube of the foregoing description.
Fig. 9 is the expansion drawing of above-mentioned transverse tube.
Figure 10 is a rear view (RV) of representing pipe manufacturing method always.
Figure 11 represents the planar view of method always.
Figure 12 is an oblique drawing of representing another pipe manufacturing method always.
Figure 13 is an oblique drawing of representing another pipe always.
Below, with reference to the description of drawings embodiments of the invention.
Fig. 1 to Fig. 6 is the figure that is used for illustrating the motor scooter of one embodiment of the present of invention, Fig. 1 is the left side view of motor bike, Fig. 2 is the left side view of the suspension part of expression engine installation, Fig. 3 is the cross sectional drawing along the III-III line of Fig. 2, Fig. 4～Fig. 6 is respectively the process chart that is used for illustrating the manufacture method of pipe, about present embodiment, front and back be meant under state by bus, see about, front and back.
In the drawings, the 1st, the motor scooter of present embodiment, its general arrangement is the substantial middle bottom that can swingingly be bearing in oscillating power device 3 usefulness fulcrums vehicle frame 2, vehicle seat is attached to top, around the car body with car cover 1a round.
Above-mentioned car cover 1a is made of resin, constitute by front shroud 6 and legging cover 7, have front truck cover 6 round the push pipe 5 of above-mentioned vehicle frame 2, constitute the bottom that is located at this legging cover 7 the base plate 8 that carries foot, be configured in below this base plate 8 following cover 9 and from about the above-mentioned vehicle seat 4 the side cover 10 of the top of the above-mentioned engine installation 3 of below covering.
Above-mentioned vehicle frame 2 has following structure.
A main car beam 11 below the car body rear tilts and extends to is connected the central part of above-mentioned push pipe 5.The front end of pair of right and left sidecar beam 12,12 is connected the lower end of this main car beam 11, and each sidecar beam is after the car body rear tilts and extends downwards, in the wings, approximate horizontal, linearly the extension.
On the low position of the ratio master car beam 11 of above-mentioned push pipe 5, connecting and managing 13,13 front end under the pair of right and left.Each down pipe 13 by to rake (front side portion) 13a of the car body back lower place, line part (following side) 13b that rearward extends to approximate horizontal from the lower end of this rake 13a and the curve 13c formation of extending obliquely upward linearlyly from the rear end of this line part 13b.
The rearward end 12a of above-mentioned each curb girder 12 is captiveed joint by suspension bracket 14 with the curve 13c of above-mentioned each time pipe 13 and is integral.The front end that on each suspension bracket 14, is connecting backward the back rest 15 of roughly linearly extension, on the back rest 15, connecting recede and extend upward from the front end of this back rest 15 after, the support tube 16 that extends downwards generally perpendicularly.
Between the top of above-mentioned left and right suspension bracket 14, setting up and making the suspension link 17 that in top view, is roughly U word shape, left and right sides arm 17a, the 17a of this suspension link 17 are connected on the above-mentioned suspension bracket 14 by bolt 19, and make rubber absorbers 18 mediate.Above-mentioned engine installation 3 can be bearing on the base portion 17b of this suspension link 17 by pivot 20 with swinging up and down, and rubber bush 21 is pressed between this pivot 20 and the suspension link 17.
The right part of above-mentioned suspension bracket 14 and pivot 20 is connected with depression bar 22.This depression bar 22 constitutes the two ends that circle tube member 22b, 22c are connected clavate member 22a, on one side circle tube member 22b be fixed on the bottom of above-mentioned suspension bracket 14 with bolt 23, the circle tube member 22c of another side is fixed on the above-mentioned pivot 20.The rearward end 12a of above-mentioned curb girder 12 is connected between the bolt 23,19 of above-mentioned suspension bracket 14, and the connection by this curb girder 12 improves the rigidity to the power of fore-and-aft direction.In addition, be provided with rubber bush 24 between above-mentioned each circle tube member 22b, 22c and bolt 23, the pivot 20, form the space part 24a that extends along circumferentially in the central authorities of the radial direction of this rubber bush 24.Like this, elasticity modulus during along with acceleration and deceleration horsepower input and change, improved vibrationproof, and prevented by drive, the change of driving engine that braking causes.
Above-mentioned curb girder 12 is connected by longitudinal tubule (L tubule) 25 each other with the curve of managing 13 down, and the curve of left and right sides curb girder 12 reaches direct portion to each other and then connected by transverse tube 26 to each other.25 flat boards 25 that form with the compression machine punching press of this longitudinal tubule (L tubule) ' make cylindrical shell to make.
Promptly, shown in Fig. 4-6, be ready to earlier to have the flat board 25 of circumferentially deploying size (girth) a of above-mentioned longitudinal tubule (L tubule) 25 ', to dull and stereotyped 25 ' figure shown in left and right end carry out punching press, make it to become with above-mentioned curb girder 12, manage 13 and the contact surface b of the longitudinal tubule (L tubule) 25 shape b ' after launching down, should flat board 25 ' make cylinder after, outstanding junction surface 25a ', 25a ' be welded to one another just made longitudinal tubule (L tubule) 25.On above-mentioned longitudinal tubule (L tubule) 25, also form anchor clamps hole 25b, suction eye 25c, each hole 25b, 25c be punching press above-mentioned dull and stereotyped 25 ' both ends in form.Certainly, also can prepare earlier than the action of above-mentioned girth a wide plate dull and stereotyped 25 ', in the above-mentioned left and right end of punching press, be flushed to size a again.In addition, above-mentioned transverse tube 26 also 25 is made as the longitudinal tubule (L tubule).
The following describes the effect and the effect of present embodiment.
The body framework 2 of present embodiment, because girder 11 is connected the top of push pipe 5, the pair of right and left curb girder 12,12 of linearity extension is connected the rear end of this girder 11 backward, pipe 13 is connected the bottom of above-mentioned push pipe under the pair of right and left, manage 13 curve 13c down and be connected with suspension bracket 14, therefore can guarantee in rigidity with the car body under the situation of big bike with the rearward end 12a of above-mentioned curb girder 12.
Owing to connect a rich girder 11 on the push pipe 5, therefore with the situation that connects two girders mutually specific energy guarantee the push pipe rotary space, thereby under situation about the accommodation section being located in the legging cover 7, can increase volume.In addition, since carry foot by the line part of above-mentioned left and right sides curb girder 12 and about down the line part of pipe 13 forms so big object keeping box of energy configuration capacity in the tunnel portion of base plate 8.
Because above-mentioned curb girder 12 is connected with longitudinal tubule (L tubule) 25 each other with the curve of managing 13 down, can further improve the rigidity of beam with this.Again because top with connecting portion curb girder 12 suspension bracket 14 is being connected suspension link 17, the bottom is connecting depression bar 22, and with both connecting portion supporting engine installation 3, so can strengthen the supporting rigidity of this engine installation 3.
The manufacture method of the longitudinal tubule (L tubule) 25 of present embodiment be the flat board 25 that will have the circumferentially deploying size a of longitudinal tubule (L tubule) 25 ' both ends strike out above-mentioned curb girder 12, manage 13 and the contact surface b of the longitudinal tubule (L tubule) 25 shape b ' after launching down, and should flat board 25 ' make cylindric after the junction surface 25a ' that it is protruding be welded to one another and make, therefore, can improve contact surface a and above-mentioned curb girder 12 with this longitudinal tubule (L tubule) 25, manage down that 13 protuberance engages and the face of joint precision during welding, the situation that forms curved surface with past elder generation's cut-out processing tube end face is again compared, and can improve the dimensional accuracy when installing.In addition because anchor clamps hole 25b, suction eye 25c be punching press above-mentioned dull and stereotyped 25 ' in form, therefore can save boring processing in the past, thereby reduce manufacturing cost.
Fig. 7 to Fig. 9 is the accompanying drawing of pipe component manufacture method of an embodiment (second embodiment) of the invention of explanation invention 2.Present embodiment is the oil tank frame 301,301 that connects sports type motor bike pair of right and left steel pipe system with transverse tube 302, and an example of fuel tank (not expressing among the figure) is installed on this transverse tube 302.
Above-mentioned transverse tube 302 is to have the both ends that this manages the flat board 302 ' of 302 circumferencial direction development size a, by die-cut with the expansion shape of the joint face b of above-mentioned oil tank frame 301, should flat board 302 ' be rolled into docking section 302a ' to be welded to each other after cylindric and make, so its basic manufacture method and the foregoing description are same.
On above-mentioned dull and stereotyped 302 ', form pair of right and left nut bore 303a respectively, knock hole 303b, and drain gutter 303c.Each hole of 303a～303c is to form when above-mentioned dull and stereotyped 302 ' is die-cut into the joint face expansion shape.In addition, also can form after this, or adopt other operation boring.With knurled nut 304,304 and each nut bore 303a coaxial welding on above-mentioned dull and stereotyped 302.Each nut 304 welds after above-mentioned Punching Technology, is disposed at a surface of dull and stereotyped 302 ', makes it be in inboard position after flat board is rolled into transverse tube 302.
Form the planar portions 305 of extending in part, fuel tank is fixed on this planar portions 305 with bolt according to direction of principal axis against two nuts 304 of above-mentioned transverse tube 302.This planar portions 305 forms when above-mentioned dull and stereotyped 302 ' is processed into cylinder simultaneously, specifically, is under the state of pushing down with pressing plate with dull and stereotyped 302 ' planar portions 305 cooresponding parts, and remainder is rolled into tubular.
According to present embodiment, because transverse tube 302 is to have the both ends that this manages the flat board 302 ' of 302 circumferencial direction development size a, by die-cut with the expansion shape of the joint face b of above-mentioned oil tank frame 301, it is rolled into makes after cylindric, so, can improve the precision with the joint face of above-mentioned oil tank frame 301, obtain the effect same with the foregoing description.
In the present embodiment, when dull and stereotyped 302 ' two ends are die-cut, form nut bore 303a, therefore knock hole 303b, and drain gutter 303c can simplify manufacturing procedure, in addition, therefore because above-mentioned dull and stereotyped 302 ' is to be rolled into cylindraceously welded knurled nut 304 in its nut bore 303a after, can not want other nut installation component, can cost-cutting.
Also have, because knurled nut 304 is the inboards that are welded on transverse tube 302, so the situation of fuel tank is installed compares with the supporting pieces that passes through always, the position of attachment face can descend, therefore can increase the capacity of fuel tank.In addition, because formed the planar portions 305 of extending,, improve installation strength so can guarantee the erection space of fuel tank according to direction of principal axis in part against the nut 304 of above-mentioned transverse tube 302.
The various embodiments described above are that example describes with the vehicle frame that the present invention is applied to motor bike, but the purposes of pipe component of the present invention naturally is not limited thereto, and every have being connected between the member of curved surface or shaped face and interconnect with pipe, all applicable.
As mentioned above, adopt the present invention 1 the described manufacture method of invention, owing to have the very little flat board of pipe component circumferencial direction expansion chi is to be rolled into tubular after its both ends are by the expansion shape cutting that is connected member and pipe component joint face, again the docking section is welded, so can improve pipe component and the precision that is connected the joint face of member, have the effect of raising to the fiduciary level of Joint strenght.
In the invention of invention 2, since above-mentioned flat board carry out both ends die-cut in or form nut bore after this, with nut and this nut bore coaxial welding inside face at above-mentioned flat board, when cylindrical shell is shaped, formed planar portions in the part against nut of above-mentioned flat board, so can simplify manufacturing procedure, do not want other mount pad, have the effect that reduces production costs, can enlarge erection space in addition, have the effect of guaranteeing erection space.
Claims (2)
1. interconnective pipe component manufacture method of transom that is used to have curved surface, it is characterized in that this method cuts into the above-mentioned cutting action that member and pipe component will be connected the joint face expansion shape that is connected by the connection side end of the flat board that will have aforementioned tube component circumference direction development size, the flat board of this well cutting is made the forming process of cylindrical shell, and the pipe welding sequence that the docking section of the cylindrical shell after will being shaped welds constitutes.
2. pipe component manufacture method as claimed in claim 1, it is characterized in that this method is by the drilling operation that forms nut bore on above-mentioned flat board, nut and above-mentioned nut bore coaxial welding are constituted the lip-deep nut welding sequence of its inside face during for cylindrical shell at above-mentioned plate forming, and when above-mentioned cylindrical shell was shaped, the plane that forms planar portions in the nut mounting portion of above-mentioned flat board formed operation and constitutes.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP164366/1995 | 1995-06-29 | ||
| JP16436695A JPH0910872A (en) | 1995-06-29 | 1995-06-29 | Production of tube member |
| JP164366/95 | 1995-06-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1154320A CN1154320A (en) | 1997-07-16 |
| CN1077855C true CN1077855C (en) | 2002-01-16 |
Family
ID=15791784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96111741A Expired - Lifetime CN1077855C (en) | 1995-06-29 | 1996-06-29 | Method for mfg. pipeline elments |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH0910872A (en) |
| CN (1) | CN1077855C (en) |
| MY (1) | MY119504A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741033B (en) * | 2008-11-14 | 2012-08-22 | 雅马哈发动机株式会社 | Electric wire protection structure for locomotive shell |
| CN107525311A (en) * | 2016-06-20 | 2017-12-29 | 苏州三星电子有限公司 | A kind of refrigerator condenses pipe and refrigerator with high efficiency and heat radiation |
| CN109226504A (en) * | 2018-10-12 | 2019-01-18 | 徐州天泽乘龙机械制造有限公司 | A kind of stamping die of band large-scale metal part |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071990U (en) * | 1990-06-29 | 1991-02-27 | 广西南宁手扶拖拉机厂 | Intersecting line punching and shearing die for thin wall pipe |
| CN1052621A (en) * | 1989-12-20 | 1991-07-03 | 陈金培 | The manufacture method of base riser |
| CN2167934Y (en) * | 1993-08-11 | 1994-06-08 | 纪国昌 | Connecting structure for tube and joint of bicycle |
-
1995
- 1995-06-29 JP JP16436695A patent/JPH0910872A/en active Pending
-
1996
- 1996-06-28 MY MYPI9602679 patent/MY119504A/en unknown
- 1996-06-29 CN CN96111741A patent/CN1077855C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1052621A (en) * | 1989-12-20 | 1991-07-03 | 陈金培 | The manufacture method of base riser |
| CN2071990U (en) * | 1990-06-29 | 1991-02-27 | 广西南宁手扶拖拉机厂 | Intersecting line punching and shearing die for thin wall pipe |
| CN2167934Y (en) * | 1993-08-11 | 1994-06-08 | 纪国昌 | Connecting structure for tube and joint of bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1154320A (en) | 1997-07-16 |
| JPH0910872A (en) | 1997-01-14 |
| MY119504A (en) | 2005-06-30 |
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