CN204429999U - Aluminium alloy inner container reverse drawing die - Google Patents
Aluminium alloy inner container reverse drawing die Download PDFInfo
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- CN204429999U CN204429999U CN201520068508.5U CN201520068508U CN204429999U CN 204429999 U CN204429999 U CN 204429999U CN 201520068508 U CN201520068508 U CN 201520068508U CN 204429999 U CN204429999 U CN 204429999U
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Abstract
The utility model provides a kind of aluminium alloy inner container reverse drawing die, belong to aluminium alloy inner container processing technique field, comprise punch and die, described punch comprises operate portions and installation portion, described operate portions comprises the cylinder enlarged head, round platform transition part and the little head of cylinder that connect successively, the little head of described cylinder is connected with described installation portion, described die is provided with stretching through hole.This aluminium alloy inner container reverse drawing die adopts special die and punch, the wall thickness of stretched openend can be greater than the semi-finished product aluminium alloy inner container at other position, thus replace the turning step in existing technique, economize in raw materials and manufacturing cost, and swift and convenient to operate, working (machining) efficiency is higher.
Description
Technical field
The utility model relates to aluminium alloy inner container processing technique field, in particular to aluminium alloy inner container reverse drawing die.
Background technology
After rods and bars of aluminium alloy is generally first carried out hot extrusion by existing aluminium alloy inner container manufacture craft, then carry out undergauge, subtract wall be stretched to finished product courage close up before wall thickness, adopt the mode of turning afterwards, by the turning of glass liner stack shell to finished product wall thickness, then before the technique adopting sizing to stretch completes and closes up, the processing of aluminum barrel, finally closes up.
Although above-mentioned technique and relevant tool equipment can meet the making requirement of aluminium alloy inner container, need turning to fall certain aluminium material, this adds increased the frock expense of cost of material, turning production cost and turning.Meanwhile, turning operation is quick not, and working (machining) efficiency is lower.
Utility model content
The purpose of this utility model is to provide a kind of aluminium alloy inner container reverse drawing die, to improve the problems referred to above.
The utility model is achieved in that
This aluminium alloy inner container reverse drawing die comprises punch and die, described punch comprises operate portions and installation portion, described operate portions comprises the cylinder enlarged head, round platform transition part and the little head of cylinder that connect successively, the little head of described cylinder is connected with described installation portion, described die is provided with stretching through hole.
Wherein, described punch can select SKH punch, ASP punch, wolfram steel punch or high-speed steel punch, and described die is by the steel plate machine-shaping of 40mm-80mm; Described cylinder enlarged head comprises the drift being arranged at described punch end, and the shape of described drift is mated with the inner chamber of aluminium alloy inner container to be processed, is out of shape in drawing process to avoid the inner chamber of aluminium alloy inner container as much as possible; The length of described cylinder enlarged head is greater than the length of the little head of cylinder.
In existing aluminium alloy inner container drawing process, usually adopt wall thickness that aluminium alloy inner container is processed into openend by the mode of turning to be greater than the semi-finished product at all the other positions, and then carry out sizing stretching by existing concave-convex mold, thus obtain the finished product that user needs.And this punch and die can replace the step of above-mentioned turning, the features of shape of self is utilized to carry out punching stretch to aluminium alloy inner container, thus the wall thickness obtaining openend is greater than the aluminium alloy inner container at all the other positions, for turning, have that the cost of material is low, the feature that working (machining) efficiency is high.
Further, described stretching through hole big at both ends and small in middle.
Wherein, described stretching through hole comprises the handstand round platform hole and upright round platform hole that are interconnected, and the junction in described handstand round platform hole and upright round platform hole is the minimum extension section of diameter, and described extension section is near the lower surface of described die.
The object arranging stretching through hole is like this contact area reducing aluminium alloy inner container outer wall and stretching through hole, thus reduces force of sliding friction between the two, ensures that aluminium alloy inner container can steadily stretch through stretching through hole glibly.
Further, the two ends of described stretching through hole are provided with rounding.
The object arranging rounding is to make aluminium alloy inner container can enter stretching through hole more swimmingly, ensures normally carrying out of stretching.
Further, described punch inside is provided with exhaust hole, and the length direction of described exhaust hole is identical with the length direction of described punch.
Wherein, described exhaust hole comprises air admission hole and venthole, and described air admission hole is positioned in cylinder enlarged head, and described venthole is positioned on installation portion.
When the object arranging exhaust hole is punch is supported into aluminium alloy inner container to be processed, the air of aluminium alloy inner container inside can flow out from exhaust hole quick and smoothly, thus the air drag that reduction punch is subject to, ensure that punch can support reposefully into aluminium alloy inner container inside.
Further, described exhaust hole comprises the pore and gross porosity that are interconnected, and described pore is away from described installation portion, and described gross porosity is near described installation portion.
The object of such setting is the mechanical strength that both can ensure described installation portion, can accelerate again the efficient discharge of the inner air of aluminium alloy inner container.
Further, described pore and gross porosity are cylindrical hole.
Its processing is simple, with low cost to adopt the object of cylindrical hole to be.
Further, described installation portion is provided with external screw thread.
Wherein, forcing press is provided with the internal thread mated with described external screw thread; Described installation portion is provided with annular protrusion, and described external screw thread is positioned on the outer surface of described annular protrusion.
The object adopting screw thread to install is that it has the features such as structure is simple, connection is reliable, mounting or dismounting are convenient.
Further, described installation portion is provided with fixing hole.
Wherein, forcing press is provided with the fixed leg mated with described fixing hole; Described fixing hole can be blind hole or through hole.
The object adopting fixing hole to install is that it is easy for installation, stable connection.
Further, the lower surface of described die is provided with locating piece, and described locating piece has multiple, arranges around described stretching through hole interval.
Wherein, the cylindrical or cuboid of described locating piece, forcing press is provided with the locating hole mated with described locating piece.
The object arranging locating piece is to ensure the accurate installation of die on forcing press, thus improves the quality of the aluminium alloy inner container of drawing and forming.
The beneficial effects of the utility model are:
This aluminium alloy inner container reverse drawing die adopts special die and punch, the wall thickness of stretched openend can be greater than the semi-finished product aluminium alloy inner container at other position, thus replace the turning step in existing technique, economize in raw materials and manufacturing cost, and swift and convenient to operate, working (machining) efficiency is higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The sectional view of the punch that Fig. 1 provides for the utility model first embodiment;
The sectional view of the die that Fig. 2 provides for the utility model first embodiment;
The sectional view of the punch that Fig. 3 provides for the utility model second embodiment;
The sectional view of the die that Fig. 4 provides for the utility model second embodiment;
The scheme of installation of the aluminium alloy inner container reverse drawing die that Fig. 5 provides for the utility model second embodiment;
The sectional view of the aluminium alloy inner container to be tensioned that Fig. 6 provides for the utility model second embodiment;
The sectional view of the aluminium alloy inner container after the stretching that Fig. 7 provides for the utility model second embodiment.
Reference numeral gathers:
Installation portion 100; The little head 200 of cylinder;
Round platform transition part 300; Cylinder enlarged head 400;
Exhaust hole 500; Stretching through hole 600.
Detailed description of the invention
Although existing tool equipment and related process can meet the making requirement of aluminium alloy inner container, need turning to fall certain aluminium material, thus cause cost of material, the frock expense of turning production cost and turning increases.Meanwhile, turning operation is quick not, and working (machining) efficiency is lower.
For above-mentioned situation, the technical program provides a kind of aluminium alloy inner container reverse drawing die, this aluminium alloy inner container reverse drawing die adopts special punch and die to stretch to aluminium alloy inner container, effectively can replace the turning step in existing technique, thus economize in raw materials and production cost, improve working (machining) efficiency.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation of usually putting or position relationship when using, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
First embodiment, with reference to Fig. 1-2, this aluminium alloy inner container reverse drawing die comprises punch and die, described punch comprises operate portions and installation portion 100, described operate portions comprises the little head 200 of cylinder enlarged head 400, round platform transition part 300 and cylinder connected successively, the little head of described cylinder 200 is connected with described installation portion 100, described die is provided with stretching through hole 600.
The operating procedure of this aluminium alloy inner container reverse drawing die is such: be first installed on forcing press by punch and die; Then be placed on die by aluminium alloy inner container to be processed, above-mentioned aluminium alloy inner container to be processed refers to tubular inner bag formed by stretching; Last starting pressure machine, punch supports into aluminium alloy inner container inside and drives aluminium alloy inner container to pass stretching through hole 600 and stretches under the driving of forcing press, the sidewall of punch and the common extruding aluminium alloy inner bag of die thus make its top wall thickness be greater than bottom, complete punch after stretching and depart from aluminium alloy inner container, cylinder enlarged head 400 is expanded aluminium alloy inner container top thus is made its top external diameter be greater than bottom.
Wherein, described punch can select SKH punch, ASP punch, wolfram steel punch or high-speed steel punch, and described die is by the steel plate machine-shaping of 40mm-80mm; Described cylinder enlarged head 400 comprises the drift being arranged at described punch end, and the shape of described drift is mated with the inner chamber of aluminium alloy inner container to be processed, is out of shape in drawing process to avoid the inner chamber of aluminium alloy inner container as much as possible; The length of described cylinder enlarged head 400 is greater than the length of the little head 200 of cylinder; Punch and die are installed and when laying aluminium alloy inner container, the axial line of three should be made as far as possible to overlap; Described forcing press can select hydraulic press or punch press.
In existing aluminium alloy inner container drawing process, usually adopt wall thickness that aluminium alloy inner container is processed into openend by the mode of turning to be greater than the semi-finished product at all the other positions, and then carry out sizing stretching by existing concave-convex mold, thus obtain the finished product that user needs.And this punch and die can replace the step of above-mentioned turning, the features of shape of self is utilized to carry out punching stretch to aluminium alloy inner container, thus the wall thickness obtaining openend is greater than the aluminium alloy inner container at all the other positions, for turning, have that the cost of material is low, the feature that working (machining) efficiency is high.
Second embodiment, with reference to Fig. 3-7, this aluminium alloy inner container reverse drawing die comprises punch and die, described punch comprises operate portions and installation portion 100, described operate portions comprises the little head 200 of cylinder enlarged head 400, round platform transition part 300 and cylinder connected successively, the little head of described cylinder 200 is connected with described installation portion 100, described die is provided with stretching through hole 600.
In the present embodiment, described stretching through hole 600 big at both ends and small in middle.
Wherein, described stretching through hole 600 comprises the handstand round platform hole and upright round platform hole that are interconnected, and the sidewall in above-mentioned two round platform holes is all curved; The junction in described handstand round platform hole and upright round platform hole is the minimum extension section of diameter, and described extension section is near the lower surface of described die; Described extension section adopts arc transition, to improve its mechanical property.
The object arranging stretching through hole 600 is like this contact area reducing aluminium alloy inner container outer wall and stretching through hole 600, thus reduces force of sliding friction between the two, ensures that aluminium alloy inner container can steadily stretch through stretching through hole 600 glibly.
In the present embodiment, the two ends of described stretching through hole 600 are provided with rounding.
The object arranging rounding is to make aluminium alloy inner container can enter stretching through hole 600 more swimmingly, ensures normally carrying out of stretching.
In the present embodiment, described punch inside is provided with exhaust hole 500, and the length direction of described exhaust hole 500 is identical with the length direction of described punch.
Wherein, described exhaust hole 500 comprises air admission hole and venthole, and described air admission hole is positioned in cylinder enlarged head 400, and described venthole is positioned on installation portion 100.
When the object arranging exhaust hole 500 is punch is supported into aluminium alloy inner container to be processed, the air of aluminium alloy inner container inside can flow out from exhaust hole 500 quick and smoothly, thus the air drag that reduction punch is subject to, ensure that punch can support reposefully into aluminium alloy inner container inside.Meanwhile, exhaust hole 500 effectively can also prevent punch and aluminium alloy inner container adhesion, facilitates the follow-up demoulding.
In the present embodiment, described exhaust hole 500 comprises the pore and gross porosity that are interconnected, and described pore is away from described installation portion 100, and described gross porosity is near described installation portion 100.
Wherein, described air admission hole is positioned on pore, and described venthole is positioned on described gross porosity; The inwall intersection of described pore and gross porosity adopts chamfered transition, thus ensures the uninhibited passage of air.
The object of such setting is the mechanical strength that both can ensure described installation portion 100, can accelerate again the efficient discharge of the inner air of aluminium alloy inner container.
In the present embodiment, described pore and gross porosity are cylindrical hole.
Its processing is simple, with low cost to adopt the object of cylindrical hole to be.
In the present embodiment, described installation portion 100 is provided with external screw thread.
Wherein, forcing press is provided with the internal thread mated with described external screw thread; Described installation portion 100 is provided with annular protrusion, and described external screw thread is positioned on the outer surface of described annular protrusion.
The object adopting screw thread to install is that it has the features such as structure is simple, connection is reliable, mounting or dismounting are convenient.
This aluminium alloy inner container reverse drawing die adopts special die and punch, the wall thickness of stretched openend can be greater than the semi-finished product aluminium alloy inner container at other position, thus replace the turning step in existing technique, economize in raw materials and manufacturing cost, and swift and convenient to operate, working (machining) efficiency is higher.
3rd embodiment, the device that the utility model embodiment provides, its technique effect realizing principle and generation is identical with the second embodiment, is concise and to the point description, and the not mentioned part of device embodiment part can with reference to corresponding contents in the second embodiment.
In the present embodiment, described installation portion 100 is provided with fixing hole.
Wherein, forcing press is provided with the fixed leg mated with described fixing hole; Described fixing hole can be blind hole or through hole.
The object adopting fixing hole to install is that it is easy for installation, stable connection
4th embodiment, the device that the utility model embodiment provides, its technique effect realizing principle and generation is identical with the second embodiment, is concise and to the point description, and the not mentioned part of device embodiment part can with reference to corresponding contents in the second embodiment.
In the present embodiment, the lower surface of described die is provided with locating piece, and described locating piece has multiple, arranges around described stretching through hole 600 interval.
Wherein, the cylindrical or cuboid of described locating piece, forcing press is provided with the locating hole mated with described locating piece.
The object arranging locating piece is to ensure the accurate installation of die on forcing press, thus improves the quality of the aluminium alloy inner container of drawing and forming.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. an aluminium alloy inner container reverse drawing die, it is characterized in that, comprise punch and die, described punch comprises operate portions and installation portion, described operate portions comprises the cylinder enlarged head, round platform transition part and the little head of cylinder that connect successively, the little head of described cylinder is connected with described installation portion, described die is provided with stretching through hole.
2. aluminium alloy inner container reverse drawing die according to claim 1, is characterized in that, described stretching through hole big at both ends and small in middle.
3. aluminium alloy inner container reverse drawing die according to claim 1, is characterized in that, the two ends of described stretching through hole are provided with rounding.
4. aluminium alloy inner container reverse drawing die according to claim 1, is characterized in that, described punch inside is provided with exhaust hole, and the length direction of described exhaust hole is identical with the length direction of described punch.
5. aluminium alloy inner container reverse drawing die according to claim 4, is characterized in that, described exhaust hole comprises the pore and gross porosity that are interconnected, and described pore is away from described installation portion, and described gross porosity is near described installation portion.
6. aluminium alloy inner container reverse drawing die according to claim 5, is characterized in that, described pore and gross porosity are cylindrical hole.
7. aluminium alloy inner container reverse drawing die according to claim 1, is characterized in that, described installation portion is provided with external screw thread.
8. aluminium alloy inner container reverse drawing die according to claim 1, is characterized in that, described installation portion is provided with fixing hole.
9. aluminium alloy inner container reverse drawing die according to claim 1, is characterized in that, the lower surface of described die is provided with locating piece, and described locating piece has multiple, arranges around described stretching through hole interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520068508.5U CN204429999U (en) | 2015-01-30 | 2015-01-30 | Aluminium alloy inner container reverse drawing die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520068508.5U CN204429999U (en) | 2015-01-30 | 2015-01-30 | Aluminium alloy inner container reverse drawing die |
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| CN204429999U true CN204429999U (en) | 2015-07-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550483A (en) * | 2015-01-30 | 2015-04-29 | 辽宁奥斯福科技有限公司 | Aluminum alloy inner container reverse stretching mold and aluminum alloy inner container reverse stretching process |
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- 2015-01-30 CN CN201520068508.5U patent/CN204429999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550483A (en) * | 2015-01-30 | 2015-04-29 | 辽宁奥斯福科技有限公司 | Aluminum alloy inner container reverse stretching mold and aluminum alloy inner container reverse stretching process |
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