CN104107840A - Drawing mold for copper tube with guiding trough for umbrella handle - Google Patents
Drawing mold for copper tube with guiding trough for umbrella handle Download PDFInfo
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- CN104107840A CN104107840A CN201410326996.5A CN201410326996A CN104107840A CN 104107840 A CN104107840 A CN 104107840A CN 201410326996 A CN201410326996 A CN 201410326996A CN 104107840 A CN104107840 A CN 104107840A
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- nib
- copper pipe
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- umbrella handle
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Abstract
The invention relates to a drawing mold for a copper tube with a guiding trough for an umbrella handle. The drawing mold is characterized in that a plurality of mold holes are formed in the drawing mold with a certain thickness, wherein the mold holes vertically run through the thickness direction of the drawing mold; a bulge is arranged on the inner side wall of each mold hole, the size of the bulge gradually increases from one end to the other end of the mold hole, a mold hole opening in the smallest end of the bulge is an inlet, and a mold hole opening in the biggest end of the bulge is an outlet; the copper tube with a peripheral shape matched with the mold hole can penetrate into the mold hole from the inlet and can penetrate out of the mold hole from the outlet. The drawing mold has the beneficial effects that by forming the mold holes, the guide troughs of multiple copper tubes can be simultaneously manufactured, so that the efficiency is high; by utilizing gradual change structures of the bulges, the damage to the copper tube is slight in the trough manufacturing process, and lines can be produced on the surface of the copper tube by virtue of strips of the bulges, thus being favorable for fixing the copper tube on the umbrella handle.
Description
Technical field
The present invention relates to a kind of making mould of umbrella handle copper pipe, relate in particular to a kind of umbrella handle copper pipe drawing-die with guide groove.
Background technology
Folded umbrella is comparatively common daily necessities, the umbrella handle of folded umbrella is conventionally by can being mutually inserted in and the flexible tubular structure of pull, when the outer handle pipe of stainless steel is inserted in interior handle pipe, outer handle inside pipe wall and interior handle pipe outer wall generation friction are larger, and can produce abnormal ear-piercing sound when the mutual pull friction of the outer handle pipe of the stainless steel that hardness is larger and interior handle pipe, in pull process, the pause and transition in rhythm or melody sense of frictional force is poor, pulls when moving feel poor, uses for a long time umbrella handle easily because friction damages.Conventionally between interior handle pipe and outer handle tube wall, the good copper pipe of frictional behaviour is set, because copper pipe price is higher, conventionally only use a bit of copper pipe to be fixed on outer handle inside pipe wall, frictional behaviour between interior handle pipe and copper pipe inwall can be because copper material ductility be better, rub comparatively soft, and then eliminated noise.In the time making copper pipe, need on copper pipe, make guide barrel construction, drawing-die of the present invention aims to make and makes with guide barrel construction copper pipe.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, and a kind of umbrella handle copper pipe drawing-die with guide groove simple in structure is provided.
For achieving the above object, the technical solution used in the present invention is: a kind of umbrella handle copper pipe drawing-die with guide groove, have in certain thickness described drawing-die and be placed with several nibs, it is characterized in that, the thickness direction of described drawing-die that what described nib was vertical run through, described nib madial wall is provided with a projection, described projection becomes large gradually from described nib end to end size, the described nib mouth of the minimum one end of described bump sizes is entrance, the described nib mouth of the maximum one end of described bump sizes is outlet, described copper pipe can peripheral shape coupling penetrate described nib from described entrance, and described copper pipe can peripheral shape coupling pass described nib from described outlet.
In a preferred embodiment of the present invention, described drawing-die is disc, and what described nib ran through is distributed in described disc drawing-die.
In a preferred embodiment of the present invention, the shape of cross section of described entrance is circular, the shape of cross section of described outlet is the circle with the arcuate structure inwardly concaving, and is to become gradually large circle with recessed arcuate structure size from described entrance to the nib shape of cross section described outlet.
In a preferred embodiment of the present invention, penetrate described nib and pass the copper pipe of described nib from described outlet from described entrance, its shape of cross section coincide with the nib shape of cross section at place place all the time in described nib.
In a preferred embodiment of the present invention, described nib and convex inner surface thereof are provided with some the protrusions of evenly the arranging striped at described nib inner surface, and described striped is consistent with described nib Axis Extension direction.
In a preferred embodiment of the present invention, described striped shape of cross section is circular arc or triangle.
In a preferred embodiment of the present invention, the smooth line that the line between the shape of cross section of described projection and the shape of cross section of described nib is arc.
The invention solves the defect existing in background technology, the present invention is provided with multiple nibs, and it can be realized simultaneously multiple copper pipes are carried out to guide groove making, and efficiency is higher; The grading structure of projection, can make in groove process processed, very little to the damage meeting of copper pipe, and striped can make copper pipe surface produce lines, is conducive to copper pipe and is fixed on umbrella handle.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the perspective view one of the preferred embodiments of the present invention;
Fig. 2 is the enlarged drawing of nib structure chart in Fig. 1;
Fig. 3 is the perspective view two of the preferred embodiments of the present invention;
Fig. 4 is the enlarged drawing of nib structure chart in Fig. 3;
Fig. 5 is the structural representation of the preferred embodiments of the present invention nib entrance;
Fig. 6 is the structural representation at nib one place between the preferred embodiments of the present invention entrance and outlet;
Fig. 7 is the structural representation of the preferred embodiments of the present invention nib outlet;
Fig. 8 is the perspective view of copper pipe finished product of the present invention;
In figure: 1, drawing-die, 2, nib, 3, projection, 4, entrance, 5, outlet, 6, striped, 7, copper pipe, 8, guide groove.
Detailed description of the invention
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Fig. 1-8, a kind of umbrella handle copper pipe 7 drawing-die 1 with guide groove 8, have and in certain thickness drawing-die 1, be placed with several nibs 2, the thickness direction of drawing-die 1 that what nib 2 was vertical run through, nib 2 madial walls are provided with a projection 3, projection 3 becomes large gradually from nib 2 end to end sizes, 2 mouthfuls of the nibs of projection 3 minimum one end of sizes are entrance 4,2 mouthfuls of the nibs of projection 3 maximum one end of sizes are outlet 5, copper pipe 7 can peripheral shape coupling penetrate nib 2 from entrance 4, and copper pipe 7 can peripheral shape coupling passes nib 2 from exporting 5.The deformation producing when size becomes gradually large projection 3 and can ensure copper pipe 7 by nib 2 is gradual, can not produce compared with macrolesion at deformation process because of copper pipe 7.
Drawing-die 1 is disc, and what nib 2 ran through is distributed in disc drawing-die 1.What discoidal drawing-die 1 can be fixed is arranged in fixture, the different nib 2 of copper pipe 7 that many copper pipes 7 can be synchronous, and working (machining) efficiency is very high.
The shape of cross section of entrance 4 is circular, and the shape of cross section of outlet 5 is the circle with the arcuate structure inwardly concaving, and is to become gradually large circle with recessed arcuate structure size from entrance 4 to nib 2 shape of cross sections outlet 5.The shape of cross section of entrance 4 makes copper pipe 7 can be easy to enter into nib 2, and projection 3 sizes of gradual change can make copper pipe 7 be positioned at the inner optional position of nib 2 can both ensure that copper pipe 7 shape of cross section herein agrees with nib 2 inner wall shape herein to greatest extent.
Penetrate nib 2 and from exporting 5 copper pipes 7 that pass nib 2, its shape of cross section coincide with nib 2 shape of cross sections at place place all the time in nib 2 from entrance 4.The structure of projection 3 is coincide in the structure of outlet 5 places and copper pipe 7 finished product guide grooves 8.
Nib 2 and protruding 3 inner surfaces thereof are provided with some the protrusions of evenly the arranging striped 6 at nib 2 inner surfaces, and striped 6 is consistent with nib 2 Axis Extension directions.Striped 6 shape of cross sections are circular arc or triangle.When striped 6 structures can make copper pipe 7 inner by nib 2, copper pipe 7 outer walls can be marked along the striped 6 of copper pipe 7 Axis Extension directions by striped 6 mill, stiction when such striped 6 is conducive to copper pipe 7 and is fixed on umbrella handle inside pipe wall or the adhesion area being sticked together.
The smooth line that line between shape of cross section and the shape of cross section of nib 2 of projection 3 is arc.Be that the larger place of bending angle occurs, it needs smooth arc excessive, is unlikely to like this copper pipe 7 in Forging Process and is subject to macrolesion at bending part herein.
Guide groove 8 is conducive to the guiding in umbrella handle telescopic process, and avoids rotation circumferential between the ectonexine of umbrella handle.
The present invention in use, entrance 4 places of the each nib 2 of insertion that copper pipe 7 free ends of many circular cross sections are corresponding, then apply tractive force copper pipe 7 is pulled out from exporting 5 one end, because the structure of projection 3 and striped 6 can be had an effect with copper pipe 7, now just corresponding generation deformation of copper pipe 7.Copper pipe 7 of the present invention can be that theory unlimited is long, the also copper pipe 7 of a joint finite length above, the copper pipe 7 of finite length can be after a copper pipe 7 promote reach, finally leave nib 2, and end feeding copper pipe 7 successively.
Be enlightenment according to desirable embodiment of the present invention above, by above-mentioned description, related personnel can, not departing from the scope of this invention technological thought, carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine technical scope according to claim scope.
Claims (7)
1. the umbrella handle copper pipe drawing-die with guide groove, have in certain thickness described drawing-die and be placed with several nibs, it is characterized in that, the thickness direction of described drawing-die that what described nib was vertical run through, described nib madial wall is provided with a projection, described projection becomes large gradually from described nib end to end size, the described nib mouth of the minimum one end of described bump sizes is entrance, the described nib mouth of the maximum one end of described bump sizes is outlet, described copper pipe can peripheral shape coupling penetrate described nib from described entrance, and described copper pipe can peripheral shape coupling pass described nib from described outlet.
2. the umbrella handle copper pipe drawing-die with guide groove according to claim 1, is characterized in that: described drawing-die is disc, and what described nib ran through is distributed in described disc drawing-die.
3. the umbrella handle copper pipe drawing-die with guide groove according to claim 1 and 2, it is characterized in that: the shape of cross section of described entrance is for circular, the shape of cross section of described outlet is the circle with the arcuate structure inwardly concaving, and is to become gradually large circle with recessed arcuate structure size from described entrance to the nib shape of cross section described outlet.
4. the umbrella handle copper pipe drawing-die with guide groove according to claim 3, it is characterized in that: penetrate described nib and pass the copper pipe of described nib from described outlet from described entrance, its shape of cross section coincide with the nib shape of cross section at place place all the time in described nib.
5. according to the umbrella handle copper pipe drawing-die with guide groove described in claim 1 or 4, it is characterized in that: described nib and convex inner surface thereof are provided with some the protrusions of evenly the arranging striped at described nib inner surface, and described striped is consistent with described nib Axis Extension direction.
6. the umbrella handle copper pipe drawing-die with guide groove according to claim 5, is characterized in that: described striped shape of cross section is circular arc or triangle.
7. the umbrella handle copper pipe drawing-die with guide groove according to claim 1, is characterized in that: the smooth line that the line between the shape of cross section of described projection and the shape of cross section of described nib is arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326996.5A CN104107840A (en) | 2014-07-10 | 2014-07-10 | Drawing mold for copper tube with guiding trough for umbrella handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410326996.5A CN104107840A (en) | 2014-07-10 | 2014-07-10 | Drawing mold for copper tube with guiding trough for umbrella handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104107840A true CN104107840A (en) | 2014-10-22 |
Family
ID=51704937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410326996.5A Pending CN104107840A (en) | 2014-07-10 | 2014-07-10 | Drawing mold for copper tube with guiding trough for umbrella handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104107840A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE197238C (en) * | ||||
| JPS50133155A (en) * | 1974-04-10 | 1975-10-22 | ||
| CN2039603U (en) * | 1988-11-29 | 1989-06-21 | 刘元吉 | Make-up mechanism for screwed pipe |
| US5016460A (en) * | 1989-12-22 | 1991-05-21 | Inco Alloys International, Inc. | Durable method for producing finned tubing |
| US5526663A (en) * | 1993-07-16 | 1996-06-18 | Trefimetaux | Devices for the grooving of tubes |
| JP2000102820A (en) * | 1998-09-28 | 2000-04-11 | Nishiyama Seisakusho:Kk | Manufacture of specially shaped pipe having wall, cross section of which is incurvated in convexo-concave shape around central axis |
| CN102266875A (en) * | 2011-06-30 | 2011-12-07 | 宁波德艺钢管制造有限公司 | Device used for producing screw rotor |
| JP2012187594A (en) * | 2011-03-09 | 2012-10-04 | Kanai Hiroaki | Wire drawing die |
| CN103894434A (en) * | 2014-04-08 | 2014-07-02 | 宁波德艺钢管制造有限公司 | Die for manufacturing seamless five-petal plum-blossom-shaped steel pipe |
| CN203678890U (en) * | 2013-12-25 | 2014-07-02 | 隆昌山川精密焊管有限责任公司 | Hard alloy drawing die |
| CN204052407U (en) * | 2014-07-10 | 2014-12-31 | 苏州鸿大金属制品有限公司 | With the umbrella handle copper pipe drawing-die of guide groove |
-
2014
- 2014-07-10 CN CN201410326996.5A patent/CN104107840A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE197238C (en) * | ||||
| JPS50133155A (en) * | 1974-04-10 | 1975-10-22 | ||
| CN2039603U (en) * | 1988-11-29 | 1989-06-21 | 刘元吉 | Make-up mechanism for screwed pipe |
| US5016460A (en) * | 1989-12-22 | 1991-05-21 | Inco Alloys International, Inc. | Durable method for producing finned tubing |
| US5526663A (en) * | 1993-07-16 | 1996-06-18 | Trefimetaux | Devices for the grooving of tubes |
| JP2000102820A (en) * | 1998-09-28 | 2000-04-11 | Nishiyama Seisakusho:Kk | Manufacture of specially shaped pipe having wall, cross section of which is incurvated in convexo-concave shape around central axis |
| JP2012187594A (en) * | 2011-03-09 | 2012-10-04 | Kanai Hiroaki | Wire drawing die |
| CN102266875A (en) * | 2011-06-30 | 2011-12-07 | 宁波德艺钢管制造有限公司 | Device used for producing screw rotor |
| CN203678890U (en) * | 2013-12-25 | 2014-07-02 | 隆昌山川精密焊管有限责任公司 | Hard alloy drawing die |
| CN103894434A (en) * | 2014-04-08 | 2014-07-02 | 宁波德艺钢管制造有限公司 | Die for manufacturing seamless five-petal plum-blossom-shaped steel pipe |
| CN204052407U (en) * | 2014-07-10 | 2014-12-31 | 苏州鸿大金属制品有限公司 | With the umbrella handle copper pipe drawing-die of guide groove |
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Application publication date: 20141022 |
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| RJ01 | Rejection of invention patent application after publication |