CN207806226U - A kind of building mortion of stainless steel bimetallic tube - Google Patents
A kind of building mortion of stainless steel bimetallic tube Download PDFInfo
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- CN207806226U CN207806226U CN201721617136.2U CN201721617136U CN207806226U CN 207806226 U CN207806226 U CN 207806226U CN 201721617136 U CN201721617136 U CN 201721617136U CN 207806226 U CN207806226 U CN 207806226U
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- pull head
- stainless steel
- pipe
- building mortion
- plug
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Abstract
The utility model belongs to bimetallic tube forming correlative technology field, it discloses a kind of building mortions of stainless steel bimetallic tube, the building mortion includes upper pull head, sleeve, spring clip, nut piece, upper plug, lower plug and lower pull head, the upper pull head is connected to one end of the sleeve, the other end of the sleeve is connected to one end of the spring clip, the other end of the spring clip is connected to one end of the upper plug, and the upper plug with the nut piece for matching and the load pipe for being connected to Stainless pipe billet being connected to the upper pull head；The lower pull head is connected to one end of the lower plug, and the other end of the lower plug is provided with pressing plate, and the pressing plate is used to be resisted against the inner tube of the pipe, said inner tube is connected to the lower pull head.The utility model processing process is few, green energy conservation, cost are relatively low, and can effectively inhibit the generation of buckling deformation.
Description
Technical field
The utility model belongs to bimetallic tube forming correlative technology field, more particularly, to a kind of stainless steel bimetallic tube
Building mortion.
Background technology
Advanced Technology of Plastic Processing, especially pipe forming technique, it is the Strengthening and Toughening of part easy to implement processing, lightweight, soft
Property and efficient low-consume, increasingly increase in the proportion that stamping field is occupied, be gradually applied to automobile, aerospace,
Among the industrial fields such as petrochemical industry, mechano-electronic, information, boiler power station, daily necessities.
One purposes of the converted products of all kinds of bimetallic tubes as shown in Figure 1, this kind of bilayer tube components is inhaled as impact
Energy element, may be used as the protective devices such as energy-absorbing, vibration damping, crusherbull zone, such as the protection of airship soft landing safety, the anti-pendant of helicopter
Ruin the Anti-bumping protection energy absorption device of the important features parts such as collision energy-absorbing protection, bridge pier and the nuclear power facility of seat, automobile；Another
Purposes is the machinery manufacturing industry tubular members such as processing bicycle, boiler power station, petrochemical industry, such as manufactures thermal insulation cup, ladder pipe, abnormity
Pipe, half two-tube, waveguide, silencer, heat exchanger, the hollow double-deck pipe, pipe fitting etc..Currently, this kind of part is generally using more
Work step punching press or welding method processing, difficulty is big, process is more, costly, outer tube is of poor quality.However, using a kind of advanced
Plastic molding method --- tube inversion can manufacture this kind of bimetallic tube, can guarantee use reliability, the lightweight of part, and save
Raw material are saved, has the function of saving process, reduce weld seam, improve part quality and reduce cost, therefore be just increasingly applied.
As shown in Fig. 2, as a kind of special pipe forming technique, it is to make metal pipe material turnup using mold to turn over pipe forming technology
It is a kind of to integrate energy saving, flexible, efficient, accurate advanced plasticity and add at the processing technology of double-walled or multi wall tube components
Work technology.Wherein, the mold shape for turning over pipe forming is simple, and (such as one secondary taper die can be by multiple material and ruler for processing flexibility
The tubular object extruding of very little specification is at double-wall pipe), forming process is stablized, the advantages that size and shape are high-quality, and drip molding is light-weight.It turns over
Plumber's artistic skill manufacture other methods are difficult to the double-walled pipe-shaped parts manufactured, are a kind of up-and-coming advanced Plastic Forming processing works
Skill is broadly divided into axial pressing type according to the stand under load mode difference of pipe and turns over pipe and drawing turn over two class of pipe.Axis pressure pipe can be in material
Material testing machine and hydraulic press turn over pipe, apply it is very convenient, but easy to produce unstability, corrugation or cracking, bending etc. lack
It falls into；For the material and pipe that anti-unstability ability is poor, axis pressure pipe is infeasible；Drawing-inversion tube is then in external load function
Under so that the deformed part of pipe is in tensile stress state, so as to avoid unstable phenomenon when turning over pipe, turn over the dimensional accuracy of pipe fitting
It is controlled completely by mold, dimensional accuracy is higher, and can obtain the double-wall pipe compared with small gap, but this mold knot for turning over pipe method
Structure is complicated, and processing charges is higher, and before turning over pipe, and pipe needs preform, processes the flange section being fixedly clamped.
Utility model content
For the disadvantages described above or Improvement requirement of the prior art, the utility model provide a kind of stainless steel bimetallic tube at
Shape dress is set, and based on the shaping characteristic of existing bimetallic tube, it is double to study and devise a kind of stainless steel that can effectively inhibit unstability
The building mortion of layer pipe.The upper pull head of the building mortion and the lower pull head are applied in direction opposite effect simultaneously respectively
Power, so that the load pipe and said inner tube difference tension and compression, thus make the pipe be deformed into stainless steel bimetallic tube, have
The generation for inhibiting buckling deformation of effect, improves forming accuracy.In addition, the process of forming is less, and green energy conservation, processing
Cost is relatively low, and flexibility is preferable, adaptable.
To achieve the above object, the utility model provides a kind of building mortion of stainless steel bimetallic tube, it is characterised in that：
The building mortion includes upper pull head, sleeve, spring clip, nut piece, upper plug, lower plug and lower pull head, described
Upper pull head is connected to one end of the sleeve, and the other end of the sleeve is connected to one end of the spring clip, the spring clip
The other end be connected to one end of the upper plug, the upper plug with the nut piece for matching and will be connected to stainless
The load pipe of steel pipe base is connected to the upper pull head；The lower pull head is connected to one end of the lower plug, the lower plug
The other end is provided with pressing plate, and the pressing plate is used to be resisted against the inner tube of the pipe, by said inner tube be connected to it is described under
Pull head；
When the building mortion work, the upper pull head and the lower pull head are applied in direction opposite effect simultaneously respectively
Power, so that the load pipe and said inner tube difference tension and compression, thus make the pipe be deformed into stainless steel bimetallic tube.
Further, the lower plug is substantially stepped, is partly contained in said inner tube, the pressing plate receiving
In in the load pipe.
Further, it is contained in the spring clip portions in the sleeve.
Further, the nut piece offers stepped hole, and the one end of the spring clip far from the upper pull head is contained in
In the stepped hole.
Further, the one end of the sleeve far from the upper pull head is formed with external screw thread, by the external screw thread with
The nut piece, which is formed, to be threadedly coupled.
Further, the building mortion is step structure.
Further, the pressing plate is removably attachable to the lower plug.
In general, the utility model the above technical solutions conceived by the present invention are compared with the prior art,
The building mortion of the stainless steel bimetallic tube of offer mainly has the advantages that：
1. when the building mortion work, the upper pull head and the lower pull head are applied in the opposite work in direction simultaneously respectively
Firmly, so that the load pipe and said inner tube difference tension and compression, thus make the pipe be deformed into stainless steel bimetallic tube,
The generation for effectively inhibiting buckling deformation, improves forming accuracy；
2. the process of forming is less, green energy conservation, processing cost is relatively low, and flexibility is preferable, adaptable；
3. the structure of the building mortion is simple, easy to use, the quality of forming dimension and shape is preferable, and forming process is steady
It is fixed, be conducive to promote and apply.
Description of the drawings
A, b, c, d in Fig. 1 are the schematic diagram of existing bimetallic tube, ladder pipe, shape tube and sunken bottom cup respectively；
(a), (b), (c) in Fig. 2 and be (d) existing to turn over the conical die that pipe manufacturing process is related to, fillet mould, slot respectively
The schematic diagram of pattern and drawing-inversion tube mould；
(a), (b), (c), (d) in Fig. 3 and be (e) stainless steel bimetallic tube that better embodiment of the present invention provides respectively
Each step schematic diagram for being related to of manufacturing process；
(a), (b) in Fig. 4 are the forming schematic diagram for the pipe that the stainless steel bimetallic tube in Fig. 3 is related to respectively；
Fig. 5 is the partial sectional view of the building mortion for the stainless steel bimetallic tube that the utility model first embodiment provides；
Fig. 6 is the sectional view of the building mortion for the stainless steel bimetallic tube that the utility model second embodiment provides.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
Fig. 3 and Fig. 4 is please referred to, the manufacturing process for the stainless steel bimetallic tube that the preferred embodiment of the utility model provides is main
Include the following steps：
Step 1 provides stainless steel tube, and the stainless steel tube is cut off according to predetermined length to obtain Stainless pipe billet
6.Specifically, the stainless steel tube is cut off according to predetermined length, and both ends vehicle is put down to ensure smooth and upper and lower the two of end face
The depth of parallelism in face.
The Stainless pipe billet 6 is shaped the radius of corner of predetermined size and the flange of predetermined turnup angle by step 2.
Specifically, the Stainless pipe billet 6 is shaped into the flange that radius of corner is R, turnup angle is α, wherein radius of corner R should take
Properly, can neither it is excessive can not be too small, radius of corner R is excessive, blank end due to flaring deformation it is excessive, pipe end be easy production
Raw tearing, radius of corner R is too small, and when axis pressing formation easy tos produce buckling deformation；Angle [alpha] should be greater than 180 °；The stainless steel tube
Base 6 is placed on lower module 5, and 4 downlink of upper module is so that the Stainless pipe billet 6 is generated change by the effect of axial compressive force
Shape.
Stainless steel load pipe 1 is welded on the flange by step 3, and the central shaft of the load pipe 1 and the pipe
The center overlapping of axles of base 6.Specifically, solder joint 2, and the load pipe 1 and institute are formed between the load pipe 1 and the flange
The welding stated between pipe 6 is intact.
Step 4 applies the pulling force to the load pipe 1, apply pressure simultaneously to the inner tube 15 of the pipe 6, the drawing
Power and the pressure act on the load pipe 1 and said inner tube 15 simultaneously respectively, so that the pipe 6 is deformed into stainless steel pair
Layer pipe 3.
Step 5, after the length of the stainless steel bimetallic tube 3 is met the requirements, it is required to obtain to cut off the load pipe 1
Stainless steel bimetallic tube 3.
Referring to Fig. 5, the building mortion for the stainless steel bimetallic tube that the utility model first embodiment provides, the forming
Device is involved by the manufacturing process of above-mentioned stainless steel bimetallic tube.The building mortion is substantially stepped comprising on
Pull head 7, sleeve 8, spring clip 9, nut piece 10, upper plug 11, lower plug 12 and lower pull head 13, the upper pull head 7 are connected to institute
One end of sleeve 8 is stated, the other end of the sleeve 8 is connected to one end of the spring clip 9, and the other end of the spring clip 9 connects
Be connected to one end of the upper plug 11, one end of the upper plug 11 is contained in the load pipe 1, with the nut piece
10 match and the load pipe 1 are fixedly connected on the upper pull head 7.The lower pull head 13 is connected to the lower plug 12
The other end of one end, the lower plug 12 is contained in the inner tube 15 of the pipe 6, one end shape far from the lower pull head 13
It is resisted against in said inner tube 15 at having pressing plate, the pressing plate.In present embodiment, the pressing plate be removably attachable to it is described under
Plug 12.
In present embodiment, 9 part of the spring clip is contained in the sleeve 8, and the nut piece 10 is formed with rank
Terraced hole, 9 part of the spring clip are contained in the stepped hole；The sleeve 8 is formed with external screw thread, by described outer
Screw thread is threadedly coupled with the formation of the nut piece 10, by changing the connection length between the sleeve 8 and the nut piece 10
The clamping force between the spring clip 9 and the load pipe 1 can be changed.When building mortion work, the upper pull head 7 and
The lower pull head 13 is applied in direction opposite effect power simultaneously respectively, so that 1 tension of load pipe, said inner tube 15 are pressurized
And be deformed, the load pipe 1 is removed later and obtains required stainless steel bimetallic tube 3.
Referring to Fig. 6, the building mortion for the stainless steel bimetallic tube that the utility model second embodiment provides, the forming
Device is involved by the manufacturing process of above-mentioned stainless steel bimetallic tube.The building mortion includes upper connecting rod 16, is connected to institute
State one end of upper connecting rod 16 support plate, with the spaced connecting plate 19 of the support plate, connect the support plate and described
The connector of connecting plate 19, is threadedly connected to the compacting ring 20 at the compacting ring 20 being partially housed in the connecting plate 19
Locking nut 21, the briquetting between the support plate and the connecting plate 19, one end connect across the compacting ring 20
It is connected to the lower pull rod 22 of the briquetting, is set on the lower pull rod 22 and between the support plate and the connecting plate 19
Plug, be set in the grip block 17 of the mandrel outer and be set in the sleeve 8 of the mandrel outer.It is formed in the sleeve 8
Bellmouth, the grip block 17 are contained in the bellmouth.The briquetting is connected with the sleeve 8 by bolt.
When the building mortion work, the lower pull rod 22 passes through the inner tube 15 of Stainless pipe billet 6, the compacting ring 20
Point the space being contained between the flanging and said inner tube 15 in, matched with the locking nut 21 and by the pressure
While being fixedly connected on the connecting plate 19；Meanwhile the plug is contained in said inner tube 15, makes institute by adjusting the bolt
It states grip block 17 to match with the plug and clamp said inner tube 15, said inner tube 15 is thus made to be fixedly connected on the pressure
Block；The upper connecting rod 16 and the lower pull rod 22 are applied in direction opposite effect power simultaneously respectively.
The building mortion of stainless steel bimetallic tube provided by the utility model, the upper pull head of the building mortion and the drop-down
Head is applied in direction opposite effect power simultaneously respectively, so that the load pipe and said inner tube difference tension and compression, thus
So that the pipe is deformed into stainless steel bimetallic tube, effectively inhibits the generation of buckling deformation, improve forming accuracy.In addition,
The process of forming is less, and green energy conservation, processing cost is relatively low, and flexibility is preferable, adaptable.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of building mortion of stainless steel bimetallic tube, it is characterised in that：
The building mortion includes upper pull head, sleeve, spring clip, nut piece, upper plug, lower plug and lower pull head, the pull-up
Head is connected to one end of the sleeve, and the other end of the sleeve is connected to one end of the spring clip, the spring clip it is another
One end is connected to one end of the upper plug, and the upper plug with the nut piece for matching and will be connected to stainless steel tube
The load pipe of base is connected to the upper pull head；The lower pull head is connected to one end of the lower plug, the lower plug it is another
End is provided with pressing plate, and the pressing plate is used to be resisted against the inner tube of the pipe, said inner tube is connected to the lower pull head；
When the building mortion work, the upper pull head and the lower pull head are applied in direction opposite effect power simultaneously respectively,
So that the load pipe and said inner tube difference tension and compression, thus make the pipe be deformed into stainless steel bimetallic tube.
2. the building mortion of stainless steel bimetallic tube as described in claim 1, it is characterised in that：The lower plug is in ladder substantially
Shape is partly contained in said inner tube, and the pressing plate is contained in the load pipe.
3. the building mortion of stainless steel bimetallic tube as described in claim 1, it is characterised in that：Accommodate to the spring clip portions
In in the sleeve.
4. the building mortion of stainless steel bimetallic tube as described in any one of claims 1-3, it is characterised in that：The nut piece is opened
Equipped with stepped hole, the one end of the spring clip far from the upper pull head is contained in the stepped hole.
5. the building mortion of stainless steel bimetallic tube as described in any one of claims 1-3, it is characterised in that：The sleeve is separate
One end of the upper pull head is formed with external screw thread, is threadedly coupled with nut piece formation by the external screw thread.
6. the building mortion of stainless steel bimetallic tube as described in any one of claims 1-3, it is characterised in that：The building mortion
For step structure.
7. the building mortion of stainless steel bimetallic tube as described in any one of claims 1-3, it is characterised in that：The pressing plate is removable
It is connected to the lower plug with unloading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721617136.2U CN207806226U (en) | 2017-11-28 | 2017-11-28 | A kind of building mortion of stainless steel bimetallic tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721617136.2U CN207806226U (en) | 2017-11-28 | 2017-11-28 | A kind of building mortion of stainless steel bimetallic tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207806226U true CN207806226U (en) | 2018-09-04 |
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ID=63333705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721617136.2U Active CN207806226U (en) | 2017-11-28 | 2017-11-28 | A kind of building mortion of stainless steel bimetallic tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824631A (en) * | 2017-11-28 | 2018-03-23 | 华中科技大学 | A kind of building mortion and method of stainless steel bimetallic tube |
-
2017
- 2017-11-28 CN CN201721617136.2U patent/CN207806226U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824631A (en) * | 2017-11-28 | 2018-03-23 | 华中科技大学 | A kind of building mortion and method of stainless steel bimetallic tube |
| CN107824631B (en) * | 2017-11-28 | 2024-03-19 | 华中科技大学 | Forming device and method for stainless steel double-layer pipe |
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