CN101767116B - Manufacturing method of specially shaped taper pipe, and pipe-shrinkage machine and moulding mold therefor - Google Patents
Manufacturing method of specially shaped taper pipe, and pipe-shrinkage machine and moulding mold therefor Download PDFInfo
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- CN101767116B CN101767116B CN200910213954XA CN200910213954A CN101767116B CN 101767116 B CN101767116 B CN 101767116B CN 200910213954X A CN200910213954X A CN 200910213954XA CN 200910213954 A CN200910213954 A CN 200910213954A CN 101767116 B CN101767116 B CN 101767116B
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- pipe
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- tapering
- mould
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Abstract
The invention discloses a pipe-shrinkage machine, the technical scheme has the main point that: the machine comprises a main shaft in which an outer mold cavity is arranged, a mold core component is arranged in the outer mold cavity, a tapered mold cavity is arranged in the mold core component, the mold core component comprises a plurality of mold core blocks that are provided with tapered circular grooves at the inner sides and can slide in the outer mold cavity in the radial direction, the tapered mold cavity is combined by the tapered circular grooves, a roller seat is sleeved outside the main shaft, a plurality of rollers are disposed between the roller seat and the main shaft annularly, a radial strip-shaped hole extending axially along the main shaft is arranged on the main shaft, an elongated top block is arranged in the radial strip-shaped hole, the top block is butted between the rollers and back sides of the mold core blocks, and the outer end of the top block can extend between two adjacent rollers so as to loosen the mold core blocks. The invention also discloses a manufacturing method and a moulding mold of a specially shaped taper pipe.
Description
[technical field]
The present invention relates to a kind of Taper Pipe manufacturing approach, the invention still further relates to a kind of machine for shrinking and mould that is exclusively used in the Taper Pipe forming method.
[background technology]
The flourishing develop rapidly of industry such as perambulator, sports equipment, these industries need a large amount of Taper Pipe of flattening or other special-shaped tubing, are the minimum processing modes of cost and make the processing of this type pipe material by adopting pipe.What the useful sheet material of existing processing mode was rolled up in the industry at present, being rolled into the conical mode of flattening again with sheet material needs welding, and manufacturing cost is high; Appearance is flat recessed easily when flattening, and has a strong impact on the stress performance and the outward appearance of product.
[summary of the invention]
The present invention seeks to have overcome deficiency of the prior art, a kind of rotational automatic feeding draw method that tapered pipe reshaping is a specially shaped taper pipe is provided, the machine for shrinking and the mould that are exclusively used in this method also are provided.
The present invention realizes through following technical scheme:
A kind of machine for shrinking is characterized in that comprising main shaft, is provided with outer die cavity in the described main shaft; Be provided with the core rod assembly in the described outer die cavity; Be provided with the circular cone die cavity in the described core rod assembly, described core rod assembly comprises that the polylith inboard is provided with the core pieces of radially sliding in the die cavity outside of tapering arc groove, and described circular cone die cavity is combined into by described tapering arc groove; Described spindle jacket is provided with roller seat; Annular distribution is provided with a plurality of rollers between described roller seat and the described main shaft, and described main shaft is provided with along the axially extended radially bar hole of main shaft, is provided with the strip jacking block in the described radially bar hole; Described jacking block withstands between described roller and the described core pieces dorsal part, and described jacking block outer end can be stretched between adjacent two rollers and make described core pieces unclamp.
Aforesaid machine for shrinking is characterized in that being provided with backing plate between described jacking block and the described core pieces.
Aforesaid machine for shrinking is characterized in that described core pieces is a piece, and described outer die cavity cross section is a cross.
A kind of manufacturing approach that adopts above-mentioned machine for shrinking to make specially shaped taper pipe is characterized in that comprising the steps:
A) pipe blanking, the pipe blank that pipe is truncated into according to the design size blanking;
B) draw starts machine for shrinking, pipe blank one end is inserted in the pipe-reduction mold of machine for shrinking, forms conical tube by the rotational automatic feeding draw of pipe-reduction mold;
C) take out conical tube;
D) moulding is inserted the Elastic plastic-rubber rod and is put into special-shaped mould counterdie then in conical tube, drive special-shaped mould patrix with punch press or hydraulic press and suppress into specially shaped taper pipe;
E) product is taken out in die sinking, extracts Elastic plastic-rubber rod b.
The manufacturing approach of aforesaid specially shaped taper pipe is characterized in that described mould is a flattening die.
The manufacturing approach of aforesaid specially shaped taper pipe is characterized in that described mould is the perfect square mould.
A kind of mould of manufacturing approach of above-mentioned specially shaped taper pipe; It is characterized in that it comprises upper mold core and lower mold core; Described upper mold core downside is provided with the tapering forming tank; Described lower mold core upside is provided with and the described following tapering forming tank that goes up tapering forming tank symmetry, and described upward tapering forming tank and described tapering forming tank are down closed up formation and flattened forming cavity.
Aforesaid mould is characterized in that being provided with between described upper mold core and the lower mold core left core rod and right core rod, and the described medial surface of going up tapering forming tank and described tapering forming tank down and left core rod and right core rod closes up formation perfect square forming cavity.
Compared with prior art, the present invention has following advantage:
The present invention adopts the rotation draw, has solved a draw difficult problem, and cost of manufacture is low, and the product appearance situation is good, in pipe, inserts rubber bar or special-shaped taper inner core before the moulding, occurs flat recessed when avoiding moulding.
[description of drawings]
Fig. 1 is a Taper Pipe cutaway view of the present invention;
Fig. 2 is the Taper Pipe cutaway view of a plurality of tapered sections of the present invention;
Fig. 3 is a machine for shrinking stereogram of the present invention;
Fig. 4 is a machine for shrinking exploded view of the present invention;
Fig. 5 is a draw sketch map of the present invention;
Fig. 6 is that the draw of the present invention finishes sketch map;
Fig. 7 is that Taper Pipe of the present invention is flattened mode sketch map at the beginning;
Fig. 8 is that Taper Pipe of the present invention is flattened mode one end sketch map;
Fig. 9 is that Taper Pipe of the present invention is flattened mode two beginning sketch mapes;
Figure 10 is that Taper Pipe of the present invention is flattened mode two end sketch mapes;
Figure 11 is that indent chamfering perfect square of the present invention begins sketch map;
Figure 12 is that indent chamfering perfect square of the present invention finishes sketch map;
Figure 13 is a convex chamfering perfect square of the present invention sketch map at the beginning;
Figure 14 is that convex chamfering perfect square one of the present invention finishes sketch map;
Figure 15 is convex chamfering perfect square two beginning sketch mapes of the present invention;
Figure 16 is that convex chamfering perfect square two of the present invention finishes sketch map;
[specific embodiment]
Below in conjunction with accompanying drawing the present invention is elaborated;
A kind of machine for shrinking; Comprise main shaft 10; Be provided with outer die cavity 1001 in the described main shaft 10, be provided with core rod assembly 1 in the described outer die cavity 1001, be provided with circular cone die cavity 101 in the described core rod assembly 1; Described core rod assembly 101 comprises that the polylith inboard is provided with the core pieces 102 of radially sliding in the die cavity outside 1001 of tapering arc groove; Described circular cone die cavity 101 is combined into by described tapering arc groove, is arranged with roller seat 20 outside the described main shaft 10, and annular distribution is provided with a plurality of rollers 2001 between described roller seat 20 and the described main shaft 10; Described main shaft 10 is provided with along main shaft 10 axially extended radially bar holes 1002; Be provided with strip jacking block 1003 in the described radially bar hole 1002, described jacking block 1003 withstands between described roller 2001 and described core pieces 102 dorsal parts, and described jacking block 1003 outer ends can be stretched between adjacent two rollers 2001 and make described core pieces 102 unclamp.Described circular cone die cavity 101 can comprise a plurality of taperings chamber section, can shorten the pipe of different tapered sections into.Be provided with backing plate 30 between described jacking block 1003 and the described core pieces 2001.Described core pieces 102 can be 4, and described outer die cavity 1001 cross sections are cross accordingly.
During the draw, start main shaft 10 rotations, the jacking block 1003 on the main shaft 10 drives roller seat 20 rotations in by roller 2001 extruding, because effect of inertia, the rotating ratio main shaft 10 of roller seat 20 is slow.Insert the pipe blank from the big opening end of die cavity 101, when jacking block 1003 when contacting with the roller innermost point, core pieces 102 just is extruded the clamping pipe; When jacking block rotates between two rollers 2001; Core pieces 102 is unclamped, and degree of tightness constantly circulates, because core pieces 102 has tapering; Just form helical effect, the pipe blank is drawn in the machine for shrinking pipe blank extruding simultaneously draw automatically.
A kind of manufacturing approach of specially shaped taper pipe is characterized in that comprising the steps:
F) pipe blanking, the pipe blank a that pipe is truncated into according to the design size blanking;
G) draw starts machine for shrinking, pipe blank one end is inserted in the pipe-reduction mold of machine for shrinking, forms conical tube by the rotational automatic feeding draw of pipe-reduction mold;
H) take out conical tube;
I) moulding is inserted Elastic plastic-rubber rod b and is put into special-shaped mould counterdie then in conical tube, drive special-shaped mould patrix with punch press or hydraulic press and suppress into specially shaped taper pipe;
J) product is taken out in die sinking, extracts Elastic plastic-rubber rod b.
Described mould is a flattening die, and described mould is the perfect square mould.Described Elastic plastic-rubber rod b is cylindrical or for flattening taper shape or other special-shaped inner cores.
A kind of mould that is used for the manufacturing approach of above-mentioned specially shaped taper pipe; It comprises upper mold core 5 and lower mold core 6; Described upper mold core 5 downsides are provided with tapering forming tank 501; Described lower mold core 6 upsides are provided with and the described following tapering forming tank 601 that goes up tapering forming tank 501 symmetries, and the described tapering forming tank 501 that goes up is closed up to form with described tapering forming tank 601 down and flattened forming cavity 7.Be provided with left core rod 8 and right core rod 9 between described upper mold core 5 and the lower mold core 6, the described medial surface of going up tapering forming tank 501 and described tapering forming tank 601 down and left core rod 8 and right core rod 9 closes up formation perfect square forming cavity 10.The described tapering forming tank 501 that goes up is respectively equipped with convex chamfering or indent chamfering with described tapering forming tank 601 skewed slot limits down.
Claims (8)
1. machine for shrinking; It is characterized in that comprising main shaft (10); Be provided with outer die cavity (1001) in the described main shaft (10); Be provided with core rod assembly (1) in the described outer die cavity (1001); Be provided with circular cone die cavity (101) in the described core rod assembly (1), described core rod assembly (1) comprises that the polylith inboard is provided with the core pieces (102) of radially sliding in the die cavity outside (1001) of tapering arc groove, and described circular cone die cavity (101) is combined into by described tapering arc groove; The outer roller seat (20) that is arranged with of described main shaft (10); Annular distribution is provided with a plurality of rollers (2001) between described roller seat (20) and the described main shaft (10), and described main shaft (10) is provided with along the axially extended radially bar hole of main shaft (10) (1002), is provided with strip jacking block (1003) in the described radially bar hole (1002); Described jacking block (1003) withstands between described roller (2001) and described core pieces (102) dorsal part, and described jacking block (1003) outer end can be stretched into and make described core pieces (102) unclamp between adjacent two rollers (2001).
2. machine for shrinking according to claim 1 is characterized in that being provided with backing plate (30) between described jacking block (1003) and the described core pieces (102).
3. machine for shrinking according to claim 2 is characterized in that described core pieces (102) is 4, and described outer die cavity (1001) cross section is a cross.
4. a manufacturing approach that adopts the described machine for shrinking of claim 1 to make specially shaped taper pipe is characterized in that comprising the steps:
A) pipe blanking is truncated into pipe blank (a) with pipe according to the design size blanking;
B) draw starts machine for shrinking, pipe blank one end is inserted in the pipe-reduction mold of machine for shrinking, forms conical tube by the rotational automatic feeding draw of pipe-reduction mold;
C) take out conical tube;
D) moulding is inserted Elastic plastic-rubber rod (b) and is put into special-shaped mould counterdie then in conical tube, drive special-shaped mould patrix with punch press or hydraulic press and suppress into specially shaped taper pipe;
E) product is taken out in die sinking, extracts Elastic plastic-rubber rod (b).
5. the manufacturing approach of specially shaped taper pipe according to claim 4 is characterized in that described mould is a flattening die.
6. the manufacturing approach of specially shaped taper pipe according to claim 4 is characterized in that described mould is the perfect square mould.
7. mould that is used for the manufacturing approach of the described specially shaped taper pipe of claim 4; It is characterized in that it comprises upper mold core (5) and lower mold core (6); Described upper mold core (5) downside is provided with tapering forming tank (501); Described lower mold core (6) upside is provided with and the symmetrical following tapering forming tank (601) of described upward tapering forming tank (501), and the described tapering forming tank (501) that goes up is closed up formation flattening forming cavity (7) with described tapering forming tank (601) down.
8. mould according to claim 7; It is characterized in that being provided with between described upper mold core (5) and the lower mold core (6) left core rod (8) and right core rod (9), the described medial surface of going up tapering forming tank (501) and described tapering forming tank (601) down and left core rod (8) and right core rod (9) closes up formation perfect square forming cavity (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213954XA CN101767116B (en) | 2009-12-12 | 2009-12-12 | Manufacturing method of specially shaped taper pipe, and pipe-shrinkage machine and moulding mold therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213954XA CN101767116B (en) | 2009-12-12 | 2009-12-12 | Manufacturing method of specially shaped taper pipe, and pipe-shrinkage machine and moulding mold therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101767116A CN101767116A (en) | 2010-07-07 |
| CN101767116B true CN101767116B (en) | 2012-05-09 |
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| CN200910213954XA Active CN101767116B (en) | 2009-12-12 | 2009-12-12 | Manufacturing method of specially shaped taper pipe, and pipe-shrinkage machine and moulding mold therefor |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688936A (en) * | 2012-06-15 | 2012-09-26 | 浙江博雷重型机床制造有限公司 | Automatic molding equipment of spiral ground pile pointed-cone part |
| CN102774002B (en) * | 2012-08-15 | 2015-01-21 | 刘晖 | Method for making special-shaped polytetrafluoroethylene tube by using mold |
| CN103191941B (en) * | 2013-04-18 | 2015-04-01 | 张家港市华程异型钢管有限公司 | Drawing method of special pipe |
| CN106378584A (en) * | 2016-09-30 | 2017-02-08 | 吴友渡 | Machining method for loudspeaking barrel for air horn and taper pipe contraction machining die |
| CN108687162B (en) * | 2018-05-02 | 2020-07-28 | 珠海市美图金属科技有限公司 | Special-shaped flat tube forming process |
| CN113617866B (en) * | 2021-09-03 | 2023-10-31 | 江苏兴洋管业股份有限公司 | Special-shaped steel pipe manufacturing die |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3672201A (en) * | 1969-05-19 | 1972-06-27 | Battelle Development Corp | Method and apparatus for shaping tubes |
| CN2116539U (en) * | 1991-08-10 | 1992-09-23 | 张钟禧 | Forming machine mould |
| CN1225298A (en) * | 1998-02-05 | 1999-08-11 | 曾绍谦 | Method and equipment for reducing tube end by roll forging |
| CN2360191Y (en) * | 1999-02-05 | 2000-01-26 | 林铣裕 | Mould for mfg. multiangle conical pipe fitting |
-
2009
- 2009-12-12 CN CN200910213954XA patent/CN101767116B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3672201A (en) * | 1969-05-19 | 1972-06-27 | Battelle Development Corp | Method and apparatus for shaping tubes |
| CN2116539U (en) * | 1991-08-10 | 1992-09-23 | 张钟禧 | Forming machine mould |
| CN1225298A (en) * | 1998-02-05 | 1999-08-11 | 曾绍谦 | Method and equipment for reducing tube end by roll forging |
| CN2360191Y (en) * | 1999-02-05 | 2000-01-26 | 林铣裕 | Mould for mfg. multiangle conical pipe fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101767116A (en) | 2010-07-07 |
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Effective date of registration: 20170323 Address after: Guangdong province Zhongshan City Yonghua road 528400 No. 50 Dongsheng Town Patentee after: Zhongshan Yumin Daily Product Co.,Ltd. Address before: Guangdong province Zhongshan City Yonghua road 528400 No. 50 Dongsheng Town Patentee before: Luo Shichun |
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Address after: Guangdong province Zhongshan City Yonghua road 528400 No. 50 Dongsheng Town Patentee after: Zhongshan Yumin Medical Technology Co., Ltd Address before: Guangdong province Zhongshan City Yonghua road 528400 No. 50 Dongsheng Town Patentee before: Zhongshan Yumin Daily Products Co.,Ltd. |
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Address after: No.1 card, No.66, Yulong Third Road, Dongsheng Town, Zhongshan City, Guangdong Province, 528400 Patentee after: Zhongshan Yumin Medical Technology Co., Ltd Address before: Guangdong province Zhongshan City Yonghua road 528400 No. 50 Dongsheng Town Patentee before: Zhongshan Yumin Medical Technology Co., Ltd |