CN101716621A - Tooth shape processing and molding method of hollow pipe fitting and special mold thereof - Google Patents
Tooth shape processing and molding method of hollow pipe fitting and special mold thereof Download PDFInfo
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- CN101716621A CN101716621A CN200910221580A CN200910221580A CN101716621A CN 101716621 A CN101716621 A CN 101716621A CN 200910221580 A CN200910221580 A CN 200910221580A CN 200910221580 A CN200910221580 A CN 200910221580A CN 101716621 A CN101716621 A CN 101716621A
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- pipe fitting
- hollow pipe
- molding method
- tooth shape
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Abstract
The invention provides a tooth shape processing and molding method of a hollow pipe fitting, which can ensure that the tooth-shaped surface of the hollow pipe fitting has no defects of collapse, pressure collapse and the like, keep a certain wall thickness of the tooth-shaped part of the pipe fitting, achieve the design process requirements of a product, and the invention further provides a special mold. The special mold comprises an upper mold structure and a lower mold structure, wherein the upper mold structure is connected with a sliding block of a machine tool, the lower mold structure is connected with a lower push-up cylinder of the machine tool, the upper mold structure and the lower mold structure are guided and positioned through an independent sliding guide column structure, the upper mold structure comprises an upper template, a lower padding plate and an upper material pressure plate, the lower mold structure comprises a lower template, the lower template is mounted on a lower padding block, and the lower padding plate and a lower fixing plate are mounted at the upper part of the lower template. The special mold is characterized in that the special mold further comprises a molding punch assembly, a molding guide rod is mounted on the molding punch assembly, a molding punch is mounted on the molding guide rod, and the molding punch assembly is vertically mounted on the lower mold structure. The upper material pressure plate and a lower material pressure plate clamp the pipe fitting to be processed, and the method is characterized in that the molding punch moves downwards along the vertical tangent direction of the outer wall of the pipe fitting to be processed.
Description
(1) technical field
The present invention relates to annular hollow pipe fitting surface flute profile processing technique field, be specially the tooth shape processing and molding method and the particular manufacturing craft thereof of hollow pipe fitting.
(2) background technology
Automobile car manufacturer cuts down the consumption of energy for energy-saving and emission-reduction reduce the car weight amount, change the structural member of some vehicles into the hollow pipe fitting structure, headrest skeleton supporting bar such as the automotive seat top, its integral body is hollow tubular structures, several depths that have surface forming do not wait, different flute profile, and its flute profile surface of technological requirement must not have the angle of collapsing, flute profile to keep certain wall thickness.Cause the pipe fitting perforation easily because special-shaped tooth depth generally near tube wall thickness even above tube wall thickness, adopts cutting process to carry out the flute profile moulding, influence the rigidity intensity of part; Adopt common impact extrusion transfer moulding method, because part is the hollow object hollow state, its end face rigidity intensity difference, hollow pipe fitting end face pipe wall material in the impact extrusion process is in the cantilever beam state, and the bending strength of material surface is less than anti-yield strength of material and percentage elongation, thus on surface, workpiece workspace also not moulding promptly produce to subside and defective such as shrivel, after in hollow pipe fitting, adding filler, carry out impact extrusion processing again, filler is difficult to take out after the flute profile moulding, and work flow is many, the cost height.
(3) summary of the invention
At the problems referred to above, the invention provides the tooth shape processing and molding method of hollow pipe fitting, it can guarantee that hollow pipe fitting flute profile surface does not have to subside and defective such as shrivel, and pipe fitting flute profile position keeps certain wall thickness, reach the design technology requirement of product, the present invention also provides particular manufacturing craft for this reason.
The tooth shape processing and molding method of hollow pipe fitting, its technical scheme is such, uses holding pad and with following holding pad pipe fitting to be processed is clamped, it is characterized in that: the moulding drift moves downward along described pipe fitting outer wall vertical tangential direction to be processed.
It is further characterized in that: described tube material to be processed is a ratio-frequency welded tube; When the pipe fitting flute profile facewidth to be processed when above, with tube material cuts 20%～30% of wall thickness earlier greater than 1.8mm greater than 1.8mm or tube wall thickness greater than 5mm, tooth depth, and then with described moulding drift along the downward punching press of tube wall tangential direction.
The particular manufacturing craft of the tooth shape processing and molding method of hollow pipe fitting, it comprises mode structure and following mode structure, the described mode structure junctor bed slide block of going up, take blame for others under the mode structure junctor bed under described, described upward mode structure and described mode structure are down located by independent slip guide pillar structure directing, the described mode structure of going up comprises cope match-plate pattern, lower bolster and last holding pad, described mode structure down comprises lower bolster, described lower bolster is installed on lower cushion block, described lower bolster top is equipped with lower bolster, bottom plate, it is characterized in that: it also comprises the forming convax mould assembly, on the described forming convax mould assembly moulding guide post is installed, on the described moulding guide post moulding drift is installed, described forming convax mould assembly vertically is installed on described mode structure down.
It is further characterized in that: described moulding drift and pipe fitting tube wall to be processed are radially tangent; Described moulding drift forming surface is the inclined-plane; Described inclined-plane gradient is not more than 1.5 degree; Described forming convax mould assembly passes described cope match-plate pattern and upper padding plate and is locked on the described bottom plate by pressing plate; Described moulding drift guide post is fixed by cover plate and described forming convax mould assembly; Described pipe fitting to be processed is axially located by the backer; Described backer is installed on described lower bolster; Described holding pad down is set in described forming convax mould assembly outside; Described down holding pad ties by stop collar and screw and lower push rod; Described lower push rod bottom is equipped with lower roof plate; Described cope match-plate pattern, upper padding plate and described going up between the holding pad are connected and fixed by screw, straight pin respectively; Described independent slip guide pillar structure comprises patrix independence sliding guide sleeve and counterdie independence guide pillar; Described patrix independence sliding guide sleeve is installed on described cope match-plate pattern by screw; Described counterdie independence guide pillar is installed on described lower bolster.
The tooth shape processing and molding method of hollow pipe fitting of the present invention, its method is simple, the hollow pipe fitting of the band flute profile by this processing method processing, and its flute profile surface does not have to subside and shrivels defective, and can keep pipe fitting flute profile position to reach certain wall thickness requirement, guarantee the rigidity intensity of part.
(4) description of drawings
Fig. 1 is for the inventive method particular manufacturing craft is opened, closure state master TV structure schematic diagram;
Fig. 2 is the inventive method particular manufacturing craft closure state bottom left TV structure schematic diagram;
Fig. 3 is mode structure on the inventive method particular manufacturing craft, following mode structure plan structure schematic diagram.
(5) specific embodiment
See Fig. 1, the tooth shape processing and molding method of hollow pipe fitting of the present invention is used holding pad 3 and with following holding pad 4 pipe fitting to be processed is clamped, and moulding drift 17 moves downward along the tangential direction of pipe fitting flute profile working position tube wall to be processed.Moulding drift forming surface is the inclined-plane; The inclined-plane gradient is not more than 1.5 degree; Tube material to be processed is a ratio-frequency welded tube; When the pipe fitting flute profile facewidth to be processed when above, with tube material cuts 20%～30% of wall thickness earlier greater than 1.8mm greater than 1.8mm or tube wall thickness greater than 5mm, tooth depth, and then with moulding drift 4 along the downward punching press of tube wall tangential direction.
The particular manufacturing craft of the tooth shape processing and molding method of hollow pipe fitting, it comprises mode structure and following mode structure, last mode structure junctor bed slide block, take blame for others under the following mode structure junctor bed, last mode structure is located by independent slip guide pillar structure directing with following mode structure, and last mode structure comprises cope match-plate pattern 1, upper padding plate 2 and last holding pad 3, and following mode structure comprises lower bolster 7, lower bolster 7 is installed on lower padding iron 8, and lower bolster 6, bottom plate 5 are installed in lower bolster 7 tops; It also comprises forming convax mould assembly 18, and moulding guide post 15 is installed on the forming convax mould assembly 18, on the moulding drift guide post 15 moulding drift 17 is installed, and forming convax mould assembly 18 vertically is installed on down mode structure.Moulding drift 17 is radially tangent with pipe fitting tube wall to be processed; Moulding drift 17 forming surface are the inclined-plane; The inclined-plane gradient is not more than 1.5 degree; Forming convax mould assembly 18 passes cope match-plate pattern 1 and upper padding plate 2 and is locked on the fixed head 5 by pressing plate 12; Moulding drift guide post 15 is fixing with forming convax mould assembly 18 by cover plate 16; Pipe fitting to be processed is axially by backer 13 location; Backer 13 is installed on lower bolster 7; Following holding pad 4 is set in forming convax mould assembly 18 outsides; Following holding pad 4 ties with lower push rod 10 by stop collar 9, screw 19; 20 is limiting gasket; Lower push rod 10 bottoms are equipped with lower roof plate 11; Be connected and fixed by screw, straight pin respectively between cope match-plate pattern 1 and upper padding plate 2, upper padding plate 2 and the last holding pad 3; Independent slip guide pillar structure comprises patrix independence sliding guide sleeve 14 and counterdie independence guide pillar 21; Patrix independence sliding guide sleeve 14 is installed on cope match-plate pattern 1 by screw; Counterdie independence guide pillar 21 is installed on lower bolster 6.
Claims (10)
1. the tooth shape processing and molding method of hollow pipe fitting, its technical scheme is such, uses holding pad and with following holding pad pipe fitting to be processed is clamped, it is characterized in that: the moulding drift moves downward along described pipe fitting outer wall vertical tangential direction to be processed.
2. according to the tooth shape processing and molding method of the described hollow pipe fitting of claim 1, it is characterized in that: described tube material to be processed is a ratio-frequency welded tube.
3. according to the tooth shape processing and molding method of the described hollow pipe fitting of claim 2, it is characterized in that: when the pipe fitting flute profile facewidth to be processed greater than 5mm, tooth depth greater than 1.8mm or tube wall thickness greater than 1.8mm when above, earlier tube material is cut 20%～30% of wall thickness, and then with described moulding drift along the downward punching press of tube wall tangential direction.
4. the particular manufacturing craft of the tooth shape processing and molding method of hollow pipe fitting, it comprises mode structure and following mode structure, the described mode structure junctor bed slide block of going up, take blame for others under the mode structure junctor bed under described, described upward mode structure and described mode structure are down located by independent slip guide pillar structure directing, the described mode structure of going up comprises cope match-plate pattern, lower bolster and last holding pad, described mode structure down comprises lower bolster, described lower bolster is installed on lower cushion block, described lower bolster top is equipped with lower bolster, bottom plate, it is characterized in that: it also comprises the forming convax mould assembly, on the described forming convax mould assembly moulding guide post is installed, on the described moulding guide post moulding drift is installed, described forming convax mould assembly vertically is installed on described mode structure down.
5. according to the particular manufacturing craft of the tooth shape processing and molding method of the described hollow pipe fitting of claim 4, it is characterized in that: described moulding drift and pipe fitting tube wall to be processed are radially tangent.
6. according to the particular manufacturing craft of the tooth shape processing and molding method of the described hollow pipe fitting of claim 5, it is characterized in that: described moulding drift forming surface is the inclined-plane.
7. according to the particular manufacturing craft of the tooth shape processing and molding method of the described hollow pipe fitting of claim 6, it is characterized in that: described inclined-plane gradient is not more than 1.5 degree.
8. according to the particular manufacturing craft of the tooth shape processing and molding method of the described hollow pipe fitting of claim 7, it is characterized in that: described forming convax mould assembly passes described cope match-plate pattern and upper padding plate and is locked on the described bottom plate by pressing plate.
9. the particular manufacturing craft of the tooth shape processing and molding method of described hollow pipe fitting according to Claim 8, it is characterized in that: described moulding drift guide post is fixed by cover plate and described forming convax mould assembly; Described pipe fitting to be processed is axially located by the backer; Described backer is installed on described lower bolster; Described holding pad down is set in described forming convax mould assembly outside; Described down holding pad ties by stop collar and screw and lower push rod; Described lower push rod bottom is equipped with lower roof plate; Described cope match-plate pattern, upper padding plate and described going up between the holding pad are connected and fixed by screw, straight pin respectively.
10. according to the particular manufacturing craft of the tooth shape processing and molding method of the described hollow pipe fitting of claim 9, it is characterized in that: described independent slip guide pillar structure comprises patrix independence sliding guide sleeve and counterdie independence guide pillar; Described patrix independence sliding guide sleeve is installed on described cope match-plate pattern by screw; Described counterdie independence guide pillar is installed on described lower bolster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102215806A CN101716621B (en) | 2009-11-20 | 2009-11-20 | Tooth shape processing and molding method of hollow pipe fitting and special mold thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102215806A CN101716621B (en) | 2009-11-20 | 2009-11-20 | Tooth shape processing and molding method of hollow pipe fitting and special mold thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101716621A true CN101716621A (en) | 2010-06-02 |
| CN101716621B CN101716621B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102215806A Expired - Fee Related CN101716621B (en) | 2009-11-20 | 2009-11-20 | Tooth shape processing and molding method of hollow pipe fitting and special mold thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357595A (en) * | 2011-08-18 | 2012-02-22 | 沈阳远大铝业工程有限公司 | Processing die with toothed square gasket tooth form |
| CN102527765A (en) * | 2011-12-31 | 2012-07-04 | 无锡曙光模具有限公司 | Burnishing forming die for car seat headrest tube fitting |
| CN103692082A (en) * | 2013-12-17 | 2014-04-02 | 无锡晶心精密机械有限公司 | Multi-process resistance welding tool |
| CN103692157A (en) * | 2013-11-20 | 2014-04-02 | 无锡曙光模具有限公司 | Tooth-shaped forming die for car seat headrest pipe fitting |
| CN104668370A (en) * | 2015-03-10 | 2015-06-03 | 柳州双英汽车配件制造有限公司 | Mold for forming headrest rod limiting groove |
| CN106181414A (en) * | 2016-08-30 | 2016-12-07 | 重庆博奥镁铝金属制造有限公司 | A kind of headrest tube tooth forming machine |
-
2009
- 2009-11-20 CN CN2009102215806A patent/CN101716621B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357595A (en) * | 2011-08-18 | 2012-02-22 | 沈阳远大铝业工程有限公司 | Processing die with toothed square gasket tooth form |
| CN102527765A (en) * | 2011-12-31 | 2012-07-04 | 无锡曙光模具有限公司 | Burnishing forming die for car seat headrest tube fitting |
| CN102527765B (en) * | 2011-12-31 | 2014-07-16 | 无锡曙光模具有限公司 | Burnishing forming die for car seat headrest tube fitting |
| CN103692157A (en) * | 2013-11-20 | 2014-04-02 | 无锡曙光模具有限公司 | Tooth-shaped forming die for car seat headrest pipe fitting |
| CN103692157B (en) * | 2013-11-20 | 2016-02-03 | 无锡曙光模具有限公司 | The tooth forming mould of pipe fittings of automobile seat headrest |
| CN103692082A (en) * | 2013-12-17 | 2014-04-02 | 无锡晶心精密机械有限公司 | Multi-process resistance welding tool |
| CN104668370A (en) * | 2015-03-10 | 2015-06-03 | 柳州双英汽车配件制造有限公司 | Mold for forming headrest rod limiting groove |
| CN106181414A (en) * | 2016-08-30 | 2016-12-07 | 重庆博奥镁铝金属制造有限公司 | A kind of headrest tube tooth forming machine |
| CN106181414B (en) * | 2016-08-30 | 2019-01-08 | 重庆博奥镁铝金属制造有限公司 | A kind of headrest tube tooth molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101716621B (en) | 2012-07-18 |
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| CB03 | Change of inventor or designer information |
Inventor after: Hou Shuai Inventor before: Mu Yiquan Inventor before: Huang Jian |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161111 Address after: 300000, E8-B-333 airport business park, two East, Tianjin Airport Economic Zone, Tianjin, Dongli Patentee after: Hou Shuai Address before: 214145 Jiangsu Province, Wuxi City District Hung Town Industrial Park Hongda photoelectric Road Patentee before: Wuxi Dawn Die & Stamping Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20171120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |