CN101767154A - Stepped cylindrical component die for medium plate - Google Patents

Stepped cylindrical component die for medium plate Download PDF

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Publication number
CN101767154A
CN101767154A CN 201010133320 CN201010133320A CN101767154A CN 101767154 A CN101767154 A CN 101767154A CN 201010133320 CN201010133320 CN 201010133320 CN 201010133320 A CN201010133320 A CN 201010133320A CN 101767154 A CN101767154 A CN 101767154A
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CN
China
Prior art keywords
die
shaping mould
punching
punch
bolster
Prior art date
Application number
CN 201010133320
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Chinese (zh)
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CN101767154B (en
Inventor
邵春波
Original Assignee
北京三兴汽车有限公司
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Priority to CN2010101333206A priority Critical patent/CN101767154B/en
Publication of CN101767154A publication Critical patent/CN101767154A/en
Application granted granted Critical
Publication of CN101767154B publication Critical patent/CN101767154B/en

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Abstract

The invention relates to a stepped cylindrical component die for a medium plate, which consists of a primary drawing die, a drawing dressing die and a punch die. The primary drawing die consists of an upper drawing die, a lower drawing die and a drawing die material returning device. The drawing dressing die consists of an upper dressing die, a lower dressing die and a dressing die material returning device. The punch die consists of an upper punch die, a lower punch die and a punch die guide pair. Only three sets of the stepped cylindrical component dies for the medium plate can press a die plate with middle thickness into a stepped cylindrical component. The three sets of dies have the advantages of simple structure, simple and easy manufacturing, convenient maintenance, reasonable layout, stable performance and long service life. The design standardization degree of the three sets of dies is high. Connecting bolts, material returning bolts, discharge rods and the like are all selected from standard components easily purchased on the market. The three sets of dies all adopt threaded connection and do not adopt the non-removable mode such as riveting, welding and the like so as to be convenient for later maintenance and convenient disassembling.

Description

The cut deal stepped cylindrical component die
Technical field
The present invention relates to a kind of mould, particularly a kind of mould that Die and mould plate is compressed to the stepped cylindrical shape.
Background technology
Make the process more complicated of stepped cylindrical component with cut deal, generally all need four or four more than the step, employed mould also needs quadruplet or more than the quadruplet, and every mold is all very complicated, especially the punching pattern of employed punching die is very complicated in the punching step, can influence part quality and reduce die life.In addition, the whole assembly difficulty of existing mold is very big, and the manufacturing of mould and maintenance cost are all very high, but but the production efficiency of mould is very low, so be badly in need of improving.
Summary of the invention
The purpose of this invention is to provide a kind of cut deal stepped cylindrical component die, the technical problem of too complex in the time of solving existing mold processing stepped cylindrical component; And solve the cost height of existing mold complex structure, inconvenient maintenance, production stepped cylindrical component and the problem of inefficiency.
For achieving the above object, the present invention adopts following technical scheme: a kind of cut deal stepped cylindrical component die is characterized in that: be made up of first drawing die, stretching shaping mould and punching die three secondary moulds.
First drawing die is made up of drawing die mold, drawing die bed die and drawing die discharging device, described drawing die mold comprises drawing die cope match-plate pattern and the thread connection drawing die punch at drawing die cope match-plate pattern lower surface, described drawing die bed die is made up of at the drawing die die of drawing die lower bolster upper surface and the positioner that is connected on the drawing die die drawing die lower bolster, thread connection, and wherein the shrinkage pool on the drawing die die is a straight hole.
The stretching shaping mould is made up of shaping mould mold, shaping mould bed die and shaping mould discharging device, described shaping mould mold comprises shaping mould cope match-plate pattern and the thread connection shaping mould punch at shaping mould cope match-plate pattern lower surface, described shaping mould bed die is made up of at the shaping mould die of shaping mould lower bolster upper surface and the positioner that is connected on the shaping mould die shaping mould lower bolster, thread connection, and wherein the shrinkage pool on the shaping mould die is and the corresponding shoulder hole of the profile of stepped cylindrical component.
Punching die is by the punching die mold, punching die bed die and the secondary composition of punch die guiding, described punching die mold comprises the punching die cope match-plate pattern, punching die die shank and punching die punch, wherein the punching die die shank is detachably connected on the upper surface of punching die cope match-plate pattern by first straight pin, the punching die punch is detachably connected on the lower surface of punching die cope match-plate pattern, described punching die bed die comprises the punching die lower bolster, thread connection is at the punching die die and the positioner that is connected on the punching die die of punching die lower bolster upper surface, secondary upper end and the punching die cope match-plate pattern thread connection of described punch die guiding, secondary lower end and the punching die lower bolster thread connection of punch die guiding.
Described drawing die discharging device comprises the drawing die stripper, drawing die discharging screw, two drawing die retainer plates, drawing die material returned rubber, threaded push rod of drawing die and drawing die nut, the drawing die nut thread is connected the bottom of the threaded push rod of drawing die, two drawing die retainer plates and be clipped in the middle part of two drawing die material returned rubber sleeves between the drawing die retainer plate at the threaded push rod of drawing die, the upper end of the threaded push rod of drawing die is threaded on the lower surface of drawing die lower bolster, the drawing die stripper is positioned at the shrinkage pool of drawing die die, the upper end of drawing die discharging screw is threaded with the drawing die stripper, and the drawing die lower bolster is passed in the lower end of drawing die stripper, be threaded with the drawing die retainer plate.
Positioner on the described drawing die bed die can be the fixing pin stop of drawing die that is inserted in drawing die die upper end.
Described shaping mould discharging device comprises shaping mould discharging screw, the shaping mould stripper, the threaded push rod of shaping mould, the shaping mould nut, shaping mould material returned rubber and two shaping mould retainer plates, the shaping mould nut thread is connected the bottom of the threaded push rod of shaping mould, two shaping mould retainer plates and be clipped in the middle part of two shaping mould material returned rubber sleeves between the shaping mould retainer plate at the threaded push rod of shaping mould, the upper end of the threaded push rod of shaping mould is threaded on the lower surface of shaping mould lower bolster, the shaping mould stripper is positioned at the shrinkage pool of shaping mould die, the upper end of shaping mould discharging screw is threaded with the shaping mould stripper, and the shaping mould lower bolster is passed in the lower end of shaping mould discharging screw, be threaded with the shaping mould retainer plate.
Positioner on the described shaping mould bed die can be the shaping mould location-plate of thread connection in shaping mould die upper end.
But thread connection has the shaping mould punch retainer on the lower surface of described shaping mould cope match-plate pattern, and the shaping mould punch is detachably connected on the shaping mould cope match-plate pattern by the shaping mould punch retainer.
Positioner on the described punching die bed die can be the punching die alignment pin that is inserted in punching die die upper end.
But the lower surface thread connection of described punching die cope match-plate pattern has the punching die punch retainer, and also be inserted with second straight pin between punching die cope match-plate pattern and the punch die punch retainer, described punching die punch removably connects with the punching die punch retainer again by the three cylindrical pin.
Can accompany the punching die upper padding plate between described punching die cope match-plate pattern and the punching die punch retainer.
Can accompany the punching die lower bolster between described punching die lower bolster and the punching die die.
Compared with prior art the present invention has following characteristics and beneficial effect: the present invention only need use three molds, just the Die and mould plate of middle thickness can be pressed into stepped cylindrical component, that three molds have is simple in structure, it is simple and easy, easy to maintenance, rationally distributed to make, the advantage of stable performance, long service life, and the design standard degree height of three molds, attachment bolt, material returned screw, discharge arm etc. are all selected the standard component of easily purchasing on the market for use; Three molds all adopt thread forms to connect, and do not use non-removable modes such as riveting, weldering, are convenient to from now on maintenance and convenient disassembly.
Consider that from the characteristics of stepped cylindrical component automatic capturing described first drawing die and stretching shaping mould do not dispose guiding pair or standard die set, simplify the structure, and have reduced cost.Described first drawing die has adopted the elasticity material returned mode of drawing die retainer plate and drawing die material returned rubber, both guaranteed that material returned power was uniform and stable, part can be withdrawed from fast, so improved the production efficiency of part and the service life of mould from die.The pattern that the punch of described punching die and die are designed to the processing of available line cutting mode not only improved product quality, and the product gap of producing is even, eliminates the uneven shortcoming in gap that causes because pincers worker makes.Described punching die does not use standard die set, but adopts the secondary form by thread connection of punch die guiding to connect with cope match-plate pattern, lower bolster.Lead by punch die guiding pair, both guaranteed the safe handling of punching die, saved cost again.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is the schematic diagram of stepped cylindrical component.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is the structural representation of first drawing die.
Fig. 4 is the structural representation of stretching shaping mould.
Fig. 5 is the structural representation of punching die.
Fig. 6 is punching die lower bolster and the secondary schematic top plan view that is connected of punch die guiding.
Reference numeral: 1-drawing die cope match-plate pattern, 2-drawing die die, 3-drawing die punch, 4-drawing die stripper, 5-drawing die discharging screw, 6-drawing die be pin stop, 7-drawing die lower bolster, 8-drawing die retainer plate, 9-drawing die material returned rubber, the threaded push rod of 10-drawing die, 11-drawing die nut fixedly; 12-shaping mould cope match-plate pattern, 13-shaping mould punch, 14-shaping mould punch retainer, 15-shaping mould location-plate, 16-shaping mould die, 17-shaping mould discharging screw, 18-shaping mould retainer plate, the threaded push rod of 19-shaping mould, 20-shaping mould nut, 21-shaping mould material returned rubber, 22-shaping mould stripper, 23-shaping mould lower bolster; 24-punching die cope match-plate pattern, 25-punch die guiding pair, 26-punching die upper padding plate, 27-punching die die shank, 28-punching die punch retainer, 29-punching die die, 30-punching die punch, 31-punching die lower bolster, 32-punching die lower bolster, 33-punching die alignment pin, 34-first straight pin, 35-second straight pin, 36-three cylindrical pin.
The specific embodiment
Embodiment is referring to shown in Fig. 3-6, and this cut deal stepped cylindrical component die is made up of first drawing die, stretching shaping mould and punching die three secondary moulds.
Referring to Fig. 3, first drawing die is made up of drawing die mold, drawing die bed die and drawing die discharging device, described drawing die mold comprises drawing die cope match-plate pattern 1 and the thread connection drawing die punch 3 at drawing die cope match-plate pattern lower surface, described drawing die bed die is made up of at the drawing die die 2 of drawing die lower bolster upper surface and the positioner that is connected on the drawing die die drawing die lower bolster 7, thread connection, and wherein the shrinkage pool on the drawing die die 2 is a straight hole.
Described drawing die discharging device comprises drawing die stripper 4, drawing die discharging screw 5, two drawing die retainer plates 8, drawing die material returned rubber 9, threaded push rod 10 of drawing die and drawing die nut 11, drawing die nut 11 is threaded in the bottom of the threaded push rod 10 of drawing die, two drawing die retainer plates 8 and be clipped in the middle part that two blocks of drawing die material returned rubber 9 between the drawing die retainer plate are enclosed within the threaded push rod 10 of drawing die, the upper end of the threaded push rod 10 of drawing die is threaded on the lower surface of drawing die lower bolster 7, drawing die stripper 4 is positioned at the shrinkage pool of drawing die die 2, the upper end of drawing die discharging screw 5 is threaded with drawing die stripper 4, and drawing die lower bolster 7 is passed in the lower end of drawing die stripper 4, be threaded with drawing die retainer plate 8.Positioner on the described drawing die bed die is the fixing pin stop 6 of drawing die that is inserted in drawing die die upper end.
Referring to Fig. 4, the stretching shaping mould is by the shaping mould mold, shaping mould bed die and shaping mould discharging device are formed, described shaping mould mold comprises shaping mould cope match-plate pattern 12 and the thread connection shaping mould punch 13 at shaping mould cope match-plate pattern lower surface, described shaping mould bed die is by shaping mould lower bolster 23, thread connection is formed at the shaping mould die 16 of shaping mould lower bolster upper surface and the positioner that is connected on the shaping mould die, and wherein the shrinkage pool on the shaping mould die 1 is and the corresponding shoulder hole of the profile of stepped cylindrical component; Described shaping mould discharging device comprises shaping mould discharging screw 17, shaping mould stripper 22, the threaded push rod 19 of shaping mould, shaping mould nut 20, shaping mould material returned rubber 21 and two shaping mould retainer plates 18, shaping mould nut 20 is threaded in the bottom of the threaded push rod 19 of shaping mould, two shaping mould retainer plates 18 and be clipped in the middle part that two blocks of shaping mould material returned rubber 21 between the shaping mould retainer plate are enclosed within the threaded push rod 19 of shaping mould, the upper end of the threaded push rod 19 of shaping mould is threaded on the lower surface of shaping mould lower bolster 23, shaping mould stripper 22 is positioned at the shrinkage pool of shaping mould die 16, the upper end of shaping mould discharging screw 17 is threaded with shaping mould stripper 22, and shaping mould lower bolster 23 is passed in the lower end of shaping mould discharging screw 17, be threaded with shaping mould retainer plate 18.
Positioner on the described shaping mould bed die is the shaping mould location-plate 15 of thread connection in shaping mould die upper end.Thread connection has shaping mould punch retainer 14 on the lower surface of described shaping mould cope match-plate pattern 12, and shaping mould punch 13 is detachably connected on the shaping mould cope match-plate pattern by shaping mould punch retainer 14.
Referring to Fig. 5, punching die is by the punching die mold, punching die bed die and punch die guiding secondary 25 are formed, described punching die mold comprises punching die cope match-plate pattern 24, punching die die shank 27 and punching die punch 30, wherein punching die die shank 27 is detachably connected on the upper surface of punching die cope match-plate pattern 24 by first straight pin 34, punching die punch 30 is detachably connected on the lower surface of punching die cope match-plate pattern 24, described punching die bed die comprises punching die lower bolster 32, thread connection is at the punching die die 29 and the positioner that is connected on the punching die die of punching die lower bolster upper surface, the upper end and punching die cope match-plate pattern 24 thread connection of described punch die guiding secondary 25, the lower end and punching die lower bolster 32 thread connection of punch die guiding secondary 25.
Positioner on the described punching die bed die is the punching die alignment pin 33 that is inserted in punching die die upper end.The lower surface thread connection of described punching die cope match-plate pattern 24 has punching die punch retainer 28, and also be inserted with second straight pin 35 between punching die cope match-plate pattern 24 and the punch die punch retainer 28, described punching die punch 30 removably connects with punching die punch retainer 28 again by three cylindrical pin 36.Accompany punching die upper padding plate 26 between described punching die cope match-plate pattern 24 and the punching die punch retainer 28.Accompany punching die lower bolster 31 between described punching die lower bolster 32 and the punching die die 29.
The course of work of the present invention.
Described drawing die fixedly pin stop 6 is used for the jig plate, and described shaping mould location-plate 15 is used to locate the Die and mould plate that first drawing die was suppressed, and described punching die alignment pin 33 is used to locate the Die and mould plate that the stretching shaping mould was suppressed.Described punching die die shank 27 is connected with punch press.The model of punch die guiding secondary 25 is TUB19 * 160.
The produced stepped cylindrical component of employing the present invention can be referring to Fig. 1, Fig. 2.

Claims (10)

1. a cut deal stepped cylindrical component die is characterized in that: be made up of first drawing die, stretching shaping mould and punching die three secondary moulds;
First drawing die is made up of drawing die mold, drawing die bed die and drawing die discharging device, described drawing die mold comprises drawing die cope match-plate pattern (1) and the thread connection drawing die punch (3) at drawing die cope match-plate pattern lower surface, described drawing die bed die is made up of at the drawing die die (2) of drawing die lower bolster upper surface and the positioner that is connected on the drawing die die drawing die lower bolster (7), thread connection, and wherein the shrinkage pool on the drawing die die (2) is a straight hole;
The stretching shaping mould is by the shaping mould mold, shaping mould bed die and shaping mould discharging device are formed, described shaping mould mold comprises shaping mould cope match-plate pattern (12) and the thread connection shaping mould punch (13) at shaping mould cope match-plate pattern lower surface, described shaping mould bed die is by shaping mould lower bolster (23), thread connection is formed at the shaping mould die (16) of shaping mould lower bolster upper surface and the positioner that is connected on the shaping mould die, and wherein the shrinkage pool on the shaping mould die (1) is and the corresponding shoulder hole of the profile of stepped cylindrical component;
Punching die is by the punching die mold, punching die bed die and punch die guiding secondary (25) are formed, described punching die mold comprises punching die cope match-plate pattern (24), punching die die shank (27) and punching die punch (30), wherein punching die die shank (27) is detachably connected on the upper surface of punching die cope match-plate pattern (24) by first straight pin (34), punching die punch (30) is detachably connected on the lower surface of punching die cope match-plate pattern (24), described punching die bed die comprises punching die lower bolster (32), thread connection is at the punching die die (29) of punching die lower bolster upper surface and be connected positioner on the punching die die, the upper end and punching die cope match-plate pattern (24) thread connection of described punch die guiding secondary (25), the lower end and punching die lower bolster (32) thread connection of punch die guiding secondary (25).
2. cut deal stepped cylindrical component die according to claim 1, it is characterized in that: described drawing die discharging device comprises drawing die stripper (4), drawing die discharging screw (5), two drawing die retainer plates (8), drawing die material returned rubber (9), threaded push rod of drawing die (10) and drawing die nut (11), drawing die nut (11) is threaded in the bottom of the threaded push rod of drawing die (10), two drawing die retainer plates (8) and be clipped in the middle part that two blocks of drawing die material returned rubber (9) between the drawing die retainer plate are enclosed within the threaded push rod of drawing die (10), the upper end of the threaded push rod of drawing die (10) is threaded on the lower surface of drawing die lower bolster (7), drawing die stripper (4) is positioned at the shrinkage pool of drawing die die (2), the upper end of drawing die discharging screw (5) is threaded with drawing die stripper (4), and drawing die lower bolster (7) is passed in the lower end of drawing die stripper (4), be threaded with drawing die retainer plate (8).
3. cut deal stepped cylindrical component die according to claim 1 is characterized in that: the positioner on the described drawing die bed die is the fixing pin stop (6) of drawing die that is inserted in drawing die die upper end.
4. cut deal stepped cylindrical component die according to claim 1, it is characterized in that: described shaping mould discharging device comprises shaping mould discharging screw (17), shaping mould stripper (22), the threaded push rod of shaping mould (19), shaping mould nut (20), shaping mould material returned rubber (21) and two shaping mould retainer plates (18), shaping mould nut (20) is threaded in the bottom of the threaded push rod of shaping mould (19), two shaping mould retainer plates (18) and be clipped in the middle part that two blocks of shaping mould material returned rubber (21) between the shaping mould retainer plate are enclosed within the threaded push rod of shaping mould (19), the upper end of the threaded push rod of shaping mould (19) is threaded on the lower surface of shaping mould lower bolster (23), shaping mould stripper (22) is positioned at the shrinkage pool of shaping mould die (16), the upper end of shaping mould discharging screw (17) is threaded with shaping mould stripper (22), and shaping mould lower bolster (23) is passed in the lower end of shaping mould discharging screw (17), be threaded with shaping mould retainer plate (18).
5. cut deal stepped cylindrical component die according to claim 1 is characterized in that: the positioner on the described shaping mould bed die is the shaping mould location-plate (15) of thread connection in shaping mould die upper end.
6. cut deal stepped cylindrical component die according to claim 1, it is characterized in that: thread connection has shaping mould punch retainer (14) on the lower surface of described shaping mould cope match-plate pattern (12), and shaping mould punch (13) is detachably connected on the shaping mould cope match-plate pattern by shaping mould punch retainer (14).
7. cut deal stepped cylindrical component die according to claim 1 is characterized in that: the positioner on the described punching die bed die is the punching die alignment pin (33) that is inserted in punching die die upper end.
8. cut deal stepped cylindrical component die according to claim 1, it is characterized in that: the lower surface thread connection of described punching die cope match-plate pattern (24) has punching die punch retainer (28), and also be inserted with second straight pin (35) between punching die cope match-plate pattern (24) and the punch die punch retainer (28), described punching die punch (30) removably connects with punching die punch retainer (28) again by three cylindrical pin (36).
9. cut deal stepped cylindrical component die according to claim 8 is characterized in that: accompany punching die upper padding plate (26) between described punching die cope match-plate pattern (24) and the punching die punch retainer (28).
10. cut deal stepped cylindrical component die according to claim 8 is characterized in that: accompany punching die lower bolster (31) between described punching die lower bolster (32) and the punching die die (29).
CN2010101333206A 2010-03-26 2010-03-26 Stepped cylindrical component die for medium plate CN101767154B (en)

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CN101767154B CN101767154B (en) 2011-10-05

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102145355A (en) * 2010-12-04 2011-08-10 芜湖杰锋汽车动力系统有限公司 Catalytic converter shell reshaping device and catalytic converter shell processing method
CN102169971A (en) * 2011-03-28 2011-08-31 慈晟 Metal shell of battery and preparation method thereof
CN102366794A (en) * 2011-10-19 2012-03-07 芜湖市恒联机电有限公司 Punch die for gear rocker forming processing
CN102601242A (en) * 2012-04-04 2012-07-25 无锡欧易博阀业科技有限公司 Valve seat necking die
CN102632145A (en) * 2012-04-11 2012-08-15 金华航宇汽配制造有限公司 Hemming mould of abnormal silencer and manufacturing process of hemming mould
CN102728722A (en) * 2012-06-25 2012-10-17 芜湖乐佳电器有限公司 Stamping mould of water level sensor
CN104275408A (en) * 2014-10-20 2015-01-14 湖南省耒耕轻型耕田机制造有限公司 Simple forming die
CN104307991A (en) * 2014-10-20 2015-01-28 湖南省耒耕轻型耕田机制造有限公司 Tank wallboard shaping die
CN105234289A (en) * 2015-11-16 2016-01-13 重庆持恒模具有限公司 Novel inversely-mounted compound die
CN105414324A (en) * 2015-11-18 2016-03-23 广东长盈精密技术有限公司 Middle plate shaping method
CN107127260A (en) * 2017-07-13 2017-09-05 邹小辉 A kind of hardware stamping panel piece stretch process die assembly
CN107999619A (en) * 2017-11-27 2018-05-08 宁波江北珂达汽车技术有限公司 Tube kind part rotary punching mould
CN108043938A (en) * 2017-11-27 2018-05-18 宁波江北珂达汽车技术有限公司 Fast press die
CN109226772A (en) * 2018-11-20 2019-01-18 深圳艾利佳材料科技有限公司 A kind of hot shaping methods of high-yield strength powder metallurgy product
CN110449516A (en) * 2019-08-15 2019-11-15 安徽工业大学 A kind of anti-corrugation cupping tool of depth cylinder part and technique

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CN1069685A (en) * 1992-05-30 1993-03-10 西安交通大学 A kind of method of precisely forming of thin-wall tube-shaped element
CN1603023A (en) * 2004-11-02 2005-04-06 李会银 Impact forming method for hydraulic valve end shield
US7171838B2 (en) * 2003-06-09 2007-02-06 Minako Matsuoka Method and apparatus for producing thin walled tubular product with thick walled flange
CN201659206U (en) * 2010-03-26 2010-12-01 北京三兴汽车有限公司 Medium plate stepped cylindrical part die

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Publication number Priority date Publication date Assignee Title
JPS6012227A (en) * 1983-07-04 1985-01-22 Umedate Seisakusho:Kk Method for producing pipe material from plate material and die for ironing
CN2098336U (en) * 1991-05-21 1992-03-11 沈阳市东石塑料制品厂 Combination dies for stamping can
CN1069685A (en) * 1992-05-30 1993-03-10 西安交通大学 A kind of method of precisely forming of thin-wall tube-shaped element
US7171838B2 (en) * 2003-06-09 2007-02-06 Minako Matsuoka Method and apparatus for producing thin walled tubular product with thick walled flange
CN1603023A (en) * 2004-11-02 2005-04-06 李会银 Impact forming method for hydraulic valve end shield
CN201659206U (en) * 2010-03-26 2010-12-01 北京三兴汽车有限公司 Medium plate stepped cylindrical part die

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102145355A (en) * 2010-12-04 2011-08-10 芜湖杰锋汽车动力系统有限公司 Catalytic converter shell reshaping device and catalytic converter shell processing method
CN102169971A (en) * 2011-03-28 2011-08-31 慈晟 Metal shell of battery and preparation method thereof
CN102366794A (en) * 2011-10-19 2012-03-07 芜湖市恒联机电有限公司 Punch die for gear rocker forming processing
CN102601242A (en) * 2012-04-04 2012-07-25 无锡欧易博阀业科技有限公司 Valve seat necking die
CN102632145A (en) * 2012-04-11 2012-08-15 金华航宇汽配制造有限公司 Hemming mould of abnormal silencer and manufacturing process of hemming mould
CN102728722A (en) * 2012-06-25 2012-10-17 芜湖乐佳电器有限公司 Stamping mould of water level sensor
CN104275408A (en) * 2014-10-20 2015-01-14 湖南省耒耕轻型耕田机制造有限公司 Simple forming die
CN104307991A (en) * 2014-10-20 2015-01-28 湖南省耒耕轻型耕田机制造有限公司 Tank wallboard shaping die
CN105234289A (en) * 2015-11-16 2016-01-13 重庆持恒模具有限公司 Novel inversely-mounted compound die
CN105414324A (en) * 2015-11-18 2016-03-23 广东长盈精密技术有限公司 Middle plate shaping method
CN107127260A (en) * 2017-07-13 2017-09-05 邹小辉 A kind of hardware stamping panel piece stretch process die assembly
CN107999619A (en) * 2017-11-27 2018-05-08 宁波江北珂达汽车技术有限公司 Tube kind part rotary punching mould
CN108043938A (en) * 2017-11-27 2018-05-18 宁波江北珂达汽车技术有限公司 Fast press die
CN107999619B (en) * 2017-11-27 2019-03-15 宁波江北珂达汽车技术有限公司 Tube kind part rotary punching mold
CN109226772A (en) * 2018-11-20 2019-01-18 深圳艾利佳材料科技有限公司 A kind of hot shaping methods of high-yield strength powder metallurgy product
CN110449516A (en) * 2019-08-15 2019-11-15 安徽工业大学 A kind of anti-corrugation cupping tool of depth cylinder part and technique

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