CN209476972U - A kind of Double metal composite heat exchanging pipe forming apparatus - Google Patents
A kind of Double metal composite heat exchanging pipe forming apparatus Download PDFInfo
- Publication number
- CN209476972U CN209476972U CN201820178395.8U CN201820178395U CN209476972U CN 209476972 U CN209476972 U CN 209476972U CN 201820178395 U CN201820178395 U CN 201820178395U CN 209476972 U CN209476972 U CN 209476972U
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- CN
- China
- Prior art keywords
- outer tube
- right end
- tube
- forming apparatus
- heat exchanging
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of Double metal composite heat exchanging pipe forming apparatus, a kind of Double metal composite heat exchanging pipe forming apparatus, including outer tube, the inside of the outer tube is equipped with inner tube, one end of the outside pipe is cased with half-conical drawing mould, the cutting dies are located at the right end of half-conical drawing mould, the right end of the outer tube is equipped with fastening nut, the right end of the traction device is equipped with traction guide rod, the right end of said inner tube is equipped with molding inner core, the Double metal composite heat exchanging pipe forming apparatus, make uniform wall thickness inside and outside finished product, inner tubal wall is smooth, not using high-temperature metal melt as raw material, and using the metal tube of ready-made different-diameter classification as raw material, and one-pass molding under the premise of guaranteeing heat transfer efficiency required by heat exchanger tube, it is not required to be post-processed.Production efficiency is improved, cost is reduced.
Description
Technical field
The utility model relates to Double metal composite heat exchanging pipe forming apparatus technical field, specially a kind of bimetallic is compound to be changed
Heat pipe forming device.
Background technique
In current many industries, it is desirable that pipe material inner wall will bear the effect of high temperature, high pressure and corrosive medium；Outside tubing by
The erosion of pernicious gas；Single metal tube is unable to satisfy requirement.Bimetal tube is the multiple tube being made of two kinds of different metal pipes.
It is there are two types of structure, one is outer cladding, another kind be it is interior compound, the metal tube of outer cladding is largely used to decoration and structure, interior
Composite bimetal pipe is then used primarily in the corrosion for preventing hazardous medium to pipeline.Bimetal tube is simultaneous, and there are two types of the excellent of constituent element metal
Performance.After the two constituent element metal composites appropriately combined, it can obtain high-intensitive, corrosion-resistant and conductive, thermally conductive etc. comprehensive
Performance is closed, makes composite bimetal pipe that can play single metal under certain particular surroundings and is difficult to play the role of.Due to bimetallic
These properties of multiple tube, frequently with bimetal tube as heat exchanger tube in the household electrical appliances such as water heater.
The production of conventional dual-metal pipe composite heat exchange tube is generally all carried out using partly or wholly Plastic Forming compound, there is biography
Unite rolling, extrusion, explosion melting welding, centrifugal casting, the methods of heat expansion combined shaping, wherein extrusion in production using most
It is extensive.But not only raw material is high-temperature metal melt to the mode of pure extrusion forming, needs to carry out metal complicated pre-treatment, and
By the molding finished product of this kind of equipment there are inner and outer pipes wall unevenness is even, the coarse problem of inner tubal wall.It is multiple in order to improve bimetallic
The heat exchange efficiency of pipe is closed, generally to carry out cutting or other subsequent processings on its surface, production efficiency is low, at high cost.
Utility model content
The purpose of this utility model is to provide a kind of Double metal composite heat exchanging pipe forming apparatus, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of Double metal composite heat exchanging pipe molding dress
It sets, including outer tube, the inside of the outer tube is equipped with inner tube, and one end of the outside pipe is cased with half-conical drawing mould, described
Cutting dies are located at the right end of half-conical drawing mould, and the right end of the outer tube is equipped with fastening nut, the right end of the outer tube and
The right end of inner tube is fixedly connected with traction device by fastening nut, and the right end of the traction device is equipped with traction guide rod, described
The right end of inner tube is equipped with molding inner core.
Preferably, the half-conical drawing mould circular cone drift angle is 60 degree, and vertex is in half-conical drawing mould center, diameter
It is identical as outer tube diameter, there is type gear blade inside cutting dies.
Preferably, the traction guide rod of the traction device right end can move right under electric traction along molding inner core,
Traction device left end has Screw hole structure, and processed outer tube can be clamped by screw-and-nut and inner tube moves right molding.
Preferably, the left end of the molding inner core has in stairstepping end insertion inner tube, in half-conical drawing mould and cuts
Cutting has supporting role in mold, traction device is molded with the speed drawing outer tube and inner tube of 80mm/s, and traction is to leading
Until guiding bar maximum length.
Compared with prior art, the utility model has the beneficial effects that the Double metal composite heat exchanging pipe forming apparatus, makes into
Uniform wall thickness inside and outside product, inner tubal wall is smooth, not using high-temperature metal melt as raw material, and with the metal of ready-made different-diameter classification
Managing is raw material, and one-pass molding under the premise of guaranteeing heat transfer efficiency required by heat exchanger tube, is not required to be post-processed.Improve life
Efficiency is produced, cost is reduced.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the half-conical drawing mould right view (i.e. A-A) of the utility model；
Fig. 3 is the cutting dies right view (i.e. B-B) of the utility model；
Fig. 4 is the traction device right view (i.e. C-C) of the utility model.
In figure: 1 outer tube, 2 inner tubes, 3 half-conical drawing moulds, 4 cutting dies, 5 fastening nuts, 6 traction devices, 7 tractions
Guide rod, 8 molding inner cores.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of Double metal composite heat exchanging pipe forming apparatus,
Including outer tube 1, the inside of outer tube 1 is equipped with inner tube 2, and one end outside outer tube 1 is cased with half-conical drawing mould 3, half-conical drawing
3 circular cone drift angle of mold be 60 degree, at 3 center of half-conical drawing mould, diameter is identical as 1 diameter of outer tube on vertex, have chamfering in order to
Pipe sleeve pulling in and pulling out, and cutting dies 4 are located at the right end of half-conical drawing mould 3, there is type gear knife inside cutting dies 4
Piece after shaping cuts outer tube 1 and 2 surface of inner tube, with surface condition and heat transfer efficiency needed for reaching heat exchanger tube, outside
The right end of pipe 1 is equipped with fastening nut 5, and the right end of outer tube 1 and the right end of inner tube 2 are fixedly connected with traction dress by fastening nut 5
6 are set, the right end of traction device 6 is equipped with traction guide rod 7, and the right end of inner tube 2 is equipped with molding inner core 8, the traction of 6 right end of traction device
Guide rod 7 can move right under electric traction along molding inner core 8, and 6 left end of traction device has Screw hole structure, circumferentially
4 screw holes can clamp processed outer tube 1 by fastening nut 5 and inner tube 2 moves right molding, form the left end of inner core 8
Have in stairstepping end insertion inner tube 2, there is supporting role in half-conical drawing mould 3 and cutting dies 4, traction device 6 with
The speed drawing outer tube 1 and inner tube 2 of 80mm/s is molded, and is drawn until drawing 7 maximum length of guide rod.
When the utility model is specifically implemented: making its diameter be less than processing using the method for cold extrusion one end of outer tube 1
It is required that being greater than 2 internal diameter of inner tube, is punched on outer tube 1 and inner tube 2 according to the size and location of 6 threaded hole of traction device, make outer tube 1
It can be connected by half-conical drawing mould 3, cutting dies 4 with traction device with one of inner tube 2, by 2 sets of inner tube in position
On horizontal step-like molding inner core 8,1 set of processed outer tube is outside inner tube 2, by 3 sets of half-conical drawing mould in outer tube 1
On, it is fixed on rack, then cutting dies 4 are passed through into outer tube 1, is fixed on after half-conical drawing mould 3.Processed outer tube
1 one end and 2 one end of corresponding inner tube are connect with traction device 6 using fastening nut 5.Motor starter is opened, is being led
Under the action of leading-in device 6, pipe sleeve is compounded to form uniform heat exchanger tube, removes molding bimetallic by mold and stretching action
Composite heat exchange tube cuts off undesirable deformation section on traction device, further according to pair for needing to be cut into final demand length
Metal composite heat exchanger tube.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of Double metal composite heat exchanging pipe forming apparatus, including outer tube (1), it is characterised in that: the inside of the outer tube (1) is set
Have inner tube (2), the external one end of the outer tube (1) is cased with half-conical drawing mould (3), and cutting dies (4) are located at half-conical drawing
Draft has the right end of (3), and the right end of the outer tube (1) is equipped with fastening nut (5), the right end of the outer tube (1) and inner tube (2)
Right end is fixedly connected with traction device (6) by fastening nut (5), and the right end of the traction device (6) is equipped with traction guide rod
(7), the right end of said inner tube (2) is equipped with molding inner core (8).
2. a kind of Double metal composite heat exchanging pipe forming apparatus according to claim 1, it is characterised in that: the half-conical is drawn
It is 60 degree that draft, which has (3) circular cone drift angle, and at half-conical drawing mould (3) center, diameter is identical as outer tube (1) diameter on vertex, cutting
There is type gear blade inside mold (4).
3. a kind of Double metal composite heat exchanging pipe forming apparatus according to claim 1, it is characterised in that: the traction device
(6) the traction guide rod (7) of right end can move right under electric traction along molding inner core (8), and traction device (6) left end has
Screw hole structure, can clamp processed outer tube (1) by screw-and-nut and inner tube (2) moves right molding.
4. a kind of Double metal composite heat exchanging pipe forming apparatus according to claim 1, it is characterised in that: the molding inner core
(8) left end has in stairstepping end insertion inner tube (2), has support to make in half-conical drawing mould (3) and cutting dies (4)
With traction device (6) is molded with the speed drawing outer tube (1) and inner tube (2) of 80mm/s, traction to traction guide rod
(7) until maximum length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820178395.8U CN209476972U (en) | 2018-02-01 | 2018-02-01 | A kind of Double metal composite heat exchanging pipe forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820178395.8U CN209476972U (en) | 2018-02-01 | 2018-02-01 | A kind of Double metal composite heat exchanging pipe forming apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209476972U true CN209476972U (en) | 2019-10-11 |
Family
ID=68109771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820178395.8U Expired - Fee Related CN209476972U (en) | 2018-02-01 | 2018-02-01 | A kind of Double metal composite heat exchanging pipe forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209476972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069451A (en) * | 2019-10-29 | 2020-04-28 | 林秀珍 | Integrated necking machine for changing depth displacement into shortened pipe material necking shape |
-
2018
- 2018-02-01 CN CN201820178395.8U patent/CN209476972U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069451A (en) * | 2019-10-29 | 2020-04-28 | 林秀珍 | Integrated necking machine for changing depth displacement into shortened pipe material necking shape |
| CN111069451B (en) * | 2019-10-29 | 2021-06-15 | 林秀珍 | Integrated necking machine for changing depth displacement into shortened pipe material necking shape |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 Termination date: 20210201 |