CN207086585U - A kind of integral type drawing mould of secondary reducing aluminium-alloy pipe - Google Patents
A kind of integral type drawing mould of secondary reducing aluminium-alloy pipe Download PDFInfo
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- CN207086585U CN207086585U CN201721118111.8U CN201721118111U CN207086585U CN 207086585 U CN207086585 U CN 207086585U CN 201721118111 U CN201721118111 U CN 201721118111U CN 207086585 U CN207086585 U CN 207086585U
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Abstract
The utility model discloses a kind of integral type drawing mould of secondary reducing aluminium-alloy pipe, belong to technical field of mold, it includes body, and the cavity through rear and front end is offered in body, it is characterised in that：The cavity is divided into the first reducing district, the first sizing area, the second reducing district, the second sizing area from A-P and goes out area under control, go out area under control from A-P be in enlarging shape；The internal diameter of first sizing area is more than the internal diameter of the second sizing area, the cavity connection oilhole between the first sizing area and the second sizing area.When this mould can make it that pipe fitting passes through cavity, it can twice be corrected continuously across extruding reducing and sizing, internal-and external diameter and wall thickness to pipe fitting twice, be more nearly it and require index, reduce drawing number, improve processing efficiency；Also the friction between pipe fitting and mould can be reduced by oilhole lube oil injection simultaneously, while reducing frictional heat so that tube surface is more smooth.
Description
Technical field
The utility model belongs to technical field of mold, and in particular to a kind of integral type drawing die of secondary reducing aluminium-alloy pipe
Tool.
Background technology
Aluminium alloy is due to density is small, light weight, intensity are high and good thermal conductivity, solderability, malleability, low electricity
The performances such as resistive and machining, are widely applied in all trades and professions, including a large amount of tubing and bar.This is aluminium alloy
The production of bar brings huge business opportunity.
At present, aluminium-alloy pipe is by the pipe of extrusion forming, is operated by drawing and carries out dimension correction, and each chi is finally made
Very little parameter meets defined finished product.In drawing procedure, generally successively to be carried out more than twice, even with various sizes of mould
Multiple drawing operation, the number of drawing is more, and the process time of aluminium-alloy pipe is longer, influences its production efficiency.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of integral type drawing die of secondary reducing aluminium-alloy pipe
Tool, it can be realized by a drawing and corrected twice.
In order to solve the above technical problems, the technical solution of the utility model is：Design a kind of secondary reducing aluminium-alloy pipe
Integral type drawing mould, including body, the cavity through rear and front end is offered in body, it is characterised in that：The cavity is certainly
A-P is divided into the first reducing district, the first sizing area, the second reducing district, the second sizing area and goes out area under control, goes out area under control before
To it is rear be in enlarging shape；The internal diameter of first sizing area is more than the internal diameter of the second sizing area, between the first sizing area and the second sizing area
Cavity connection oilhole.
Preferably, expanding area is set up between first sizing area and the second reducing district.
Preferably, oil-way, oilhole connection oil-way and cavity are opened up on the outer wall of the body.
Preferably, the oilhole is uniformly distributed along the perisporium of cavity.
Compared with prior art, the beneficial effects of the utility model are：
1st, because cavity from A-P is divided into the first reducing district, the first sizing area, the second reducing district, the second sizing area
With go out area under control, the internal diameter of the first sizing area is more than the internal diameter of the second sizing area, can be continuous when can make it that pipe fitting passes through cavity
By extruding reducing and sizing twice, internal-and external diameter and wall thickness to pipe fitting are corrected twice, are more nearly it and are required index,
Drawing number is reduced, improves processing efficiency；Also rubbing between pipe fitting and mould can be reduced by oilhole lube oil injection simultaneously
Wipe, while reducing frictional heat so that tube surface is more smooth.
2nd, due to setting up expanding area between the first sizing area and the second reducing district so that by first time sizing pipe fitting not
Constrained again by mould side wall, prevent plowing from pipe fitting outer wall.
3rd, due to opening up oil-way, oilhole connection oil-way and cavity on the outer wall of body, it is easy to lubricating oil
Storage, so as to be continuously oilhole oiling.
4th, because oilhole is uniformly distributed along the perisporium of cavity, it is easy to the perisporium of lubricating oil energy cavity to be uniformly injected into, makes
Obtain lubricating oil to be evenly distributed, further improve the crudy of pipe fitting.
5th, the utility model is simple in construction, can a drawing pipe fitting, realize its sizing twice, reduce drawing number, carry
High processing efficiency, it is easy to popularization and application in industry.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A-A sectional views in Fig. 1；
Fig. 3 is use state diagram of the present utility model.
Marked in figure：1st, body；2nd, cavity；21st, the first reducing district；22nd, the first sizing area；23rd, expanding area；24th, second
Reducing district；25th, the second sizing area；26th, area under control is gone out；3rd, oil-way；4th, oilhole；5th, core rod.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
The utility model is in drawing operation, and with reference to the moving direction of pipe fitting from front to back, i.e., one end that pipe fitting enters is determined
Justice is front end, and the one end for correspondingly leaving pipe fitting is defined as rear end.
As depicted in figs. 1 and 2, the utility model offers the cavity 2 through rear and front end in body 1, and cavity 2 is before
The first reducing district 21, the first sizing area 22, expanding area 23, the second reducing district 24, the second sizing area 25 are divided into after and is gone out
Area under control 26, it is in enlarging shape to go out area under control 26 from A-P, and the enlarging direction in expanding area 23 is with going out area under control 26 unanimously, the first reducing district 21
Reducing direction with the second reducing district 24 is then with going out area under control 26 on the contrary, the internal diameter of the first sizing area 22 is more than the second sizing area 25
Internal diameter.Oil-way 3 is also offered on the outer wall of body 1, oilhole 4 is opened up in oil-way 3, oilhole 4
The other end connects the cavity 2 between the first sizing area 22 and the second sizing area 25, and perisporium of the oilhole 4 along cavity 2 uniformly divides
Cloth.
In use, as shown in figure 3, surround die cavity between the inwall of the interior installation core rod 5 of cavity 2, core rod 5 and cavity 2.Drawing pipe
During part, core rod 5 is located in the inner chamber of pipe fitting, and the perisporium of pipe fitting is located in die cavity, and pipe fitting passes through successively during being drawn out
First reducing district 21, the first sizing area 22, expanding area 23, the second reducing district 24, the second sizing area 25 and go out area under control 26.First
In reducing district 21, due to the constraint of its inwall so that the tube wall of pipe fitting is squeezed so that tube wall is gradually thinning, and external diameter reduces,
Subsequently into the first sizing area 22, first time sizing is carried out, the pipe fitting after first time sizing enters expanding area 23 so that mould
The inwall of tool no longer constrains pipe fitting, avoids perplexing the pipe fitting after sizing, makes its deformation, or even scratches, and influences crudy.It is next
Stepping enters the second reducing district 24, and under the constraint of the second reducing district 24, the tube wall of pipe fitting is gradually thinning again, and external diameter reduces, by
It is progressive enter the second sizing area 25, carry out smaller szie and obtain sizing, then by going out the break away from moulds of area under control 26, complete a drawing.
In above-mentioned drawing process, the lubricating oil in oil-way 3 is by oilhole 4 evenly into the expanding He of area 23
In second reducing district 24, it is uniformly injected on the outer wall of pipe fitting, reduces the friction between pipe fitting and mould, reduce the same of frictional heat
When so that tube surface is more smooth.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change.But it is every without departing from the content of the technical scheme of the utility model, it is real according to technology of the present utility model
Any simple modification, equivalent variations and the remodeling that confrontation above example is made, still fall within the guarantor of technical solutions of the utility model
Protect scope.
Claims (4)
1. a kind of integral type drawing mould of secondary reducing aluminium-alloy pipe, including body, offered in body through rear and front end
Cavity, it is characterised in that：The cavity is divided into the first reducing district, the first sizing area, the second reducing district, from A-P
Two sizing areas and go out area under control, go out area under control from A-P be in enlarging shape；The internal diameter of first sizing area is more than the internal diameter of the second sizing area,
Cavity connection oilhole between first sizing area and the second sizing area.
2. the integral type drawing mould of secondary reducing aluminium-alloy pipe according to claim 1, it is characterised in that：Described first
Expanding area is set up between sizing area and the second reducing district.
3. the integral type drawing mould of secondary reducing aluminium-alloy pipe according to claim 1 or 2, it is characterised in that：It is described
Oil-way, oilhole connection oil-way and cavity are opened up on the outer wall of body.
4. the integral type drawing mould of secondary reducing aluminium-alloy pipe according to claim 3, it is characterised in that：The lubrication
Oilhole is uniformly distributed along the perisporium of cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721118111.8U CN207086585U (en) | 2017-09-02 | 2017-09-02 | A kind of integral type drawing mould of secondary reducing aluminium-alloy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721118111.8U CN207086585U (en) | 2017-09-02 | 2017-09-02 | A kind of integral type drawing mould of secondary reducing aluminium-alloy pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207086585U true CN207086585U (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721118111.8U Active CN207086585U (en) | 2017-09-02 | 2017-09-02 | A kind of integral type drawing mould of secondary reducing aluminium-alloy pipe |
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| CN (1) | CN207086585U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213099A (en) * | 2018-03-16 | 2018-06-29 | 张家港市瑞特金属材料有限公司 | Diamond wire busbar wire-drawing die |
| CN110576066A (en) * | 2018-06-10 | 2019-12-17 | 江苏君睿智能制造有限公司 | Cold-drawing rotary table for steel pipes |
| CN112091045A (en) * | 2020-08-04 | 2020-12-18 | 葫芦岛火力速旋汽配制造有限公司 | Composite stretch forming process method |
| CN113172106A (en) * | 2021-05-12 | 2021-07-27 | 天津冶金集团天材科技发展有限公司 | Die-overlapping drawing process of nickel-based superalloy small-diameter thin-wall seamless tube |
-
2017
- 2017-09-02 CN CN201721118111.8U patent/CN207086585U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213099A (en) * | 2018-03-16 | 2018-06-29 | 张家港市瑞特金属材料有限公司 | Diamond wire busbar wire-drawing die |
| CN110576066A (en) * | 2018-06-10 | 2019-12-17 | 江苏君睿智能制造有限公司 | Cold-drawing rotary table for steel pipes |
| CN112091045A (en) * | 2020-08-04 | 2020-12-18 | 葫芦岛火力速旋汽配制造有限公司 | Composite stretch forming process method |
| CN113172106A (en) * | 2021-05-12 | 2021-07-27 | 天津冶金集团天材科技发展有限公司 | Die-overlapping drawing process of nickel-based superalloy small-diameter thin-wall seamless tube |
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