CN102658329A - Non-circular stretching male die - Google Patents
Non-circular stretching male die Download PDFInfo
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- CN102658329A CN102658329A CN2012101396990A CN201210139699A CN102658329A CN 102658329 A CN102658329 A CN 102658329A CN 2012101396990 A CN2012101396990 A CN 2012101396990A CN 201210139699 A CN201210139699 A CN 201210139699A CN 102658329 A CN102658329 A CN 102658329A
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- positioning sleeve
- stretching convex
- convex die
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Abstract
The invention provides a non-circular stretching male die. The non-circular stretching male die comprises a front part, a die body and a tail part, wherein the front part, the die body and the tail part form a same cylinder with a non-circular section, which is obtained by slow-feeding wire cutting of hard alloy steel, the non-cylindrical surface is of the section required for the stretching male die (5), and a mounting hole which is vertical to the axial line is formed at the tail part. The non-circular stretching male die provided by the invention is obtained from the hard alloy steel through a slow-feeding wire cutting process without any grinding, and the obtained stretching male die is mounted through the mounting hole at the tail part.. Compared with the prior art, the non-circular stretching male die provided by the invention is obtained by wire cutting machine-shaping, so that the machining precision of the section shape of the cylinder of the die body is ensured. Simultaneously, due to the adoption of the hard alloy steel, the manufacturing cost is saved, the non-circular stretching male die has higher hardness and stronger abrasion resistance, the service life of the die is further greatly prolonged, and the actual measurement proves that the service life can be up to 40 million times, which is improved by almost 26 times in comparison with that of the original die.
Description
Technical field
What the present invention relates to is a kind of non-round stretching convex die mould.
Background technology
For workpiece with some non-cylinder shapes of Sheet Metal Forming Technology processing, need the drawing die of similar shape, and wherein stretching convex die be with punching press the front portion, in order to the afterbody installed be connected two ones and with the front portion be that the die body of same cross-sectional cylinder constitutes.Because said stretching convex die has the die body of on-circular cross-section, can not adopt traditional process for machining to accomplish.Especially when workpiece cross section to be processed hour, more cause machine-shaping difficulty, precision to be difficult to guarantee because of the stretching convex die die body is elongated.Stretching convex die with oblate cross section is fabricated to example; Be earlier thickness to be cut out width leaves the long section of allowance on oblate width die body part at the square stock that leaves allowance on the oblate length with wire cutting technology; And be that proof strength excessively arrives afterbody with cambered surface, by hand die body is partly ground into desired oblate cross section cylinder afterbody being installed on the special fixture then.The anchor clamps that accompany the die body afterbody with hand-guided are operated on grinding machine, and itself is just very difficult with visual correct operation, very easily produce the elasticity shake because die body is thin rod shape during again because of grinding, more can cause product rejection, useless worker, waste material and increase processing consumption.Structure after this stretching convex die is installed on the pressing equipment is seen Fig. 1; With fixed head 2 that the pressing equipment ram is fixedly connected on have and consistent hole, stretching convex die 3 afterbody cross sections; This stretching convex die tail end is shaped on axial inner bolt hole, and is fixing again with backing plate 1 on fixed head, has hold-down screw 4 inner bolt hole on hole on the backing plate and stretching convex die to cooperate; Fastening after-drawing punch must not be rotated according to axis by fixing its of fixed head, hold-down screw and shim its axially must not play.This mounting structure is after punching press repeatedly, and hold-down screw is loosening easily and influence machining accuracy.In addition in order to cooperate the processing technology of stretching convex die; Usually need be with the high speed mould special steel of machinable moulding; Like import V10 high-speed steel etc. is raw material, and not only Master Cost is higher, and hardness is on the low side after this material heat treatment; Wear no resistance, survey its service life and have only about 1,500,000 times.
Summary of the invention
To above-mentioned defective; The present invention will solve the technical problem that the complicated precision of manufacturing process can not improve; And separate simultaneously and must not use technical problems such as the higher material of hardness and mounting structure be insecure, thereby a kind of non-round stretching convex die mould simple in structure is proposed.
Non-round stretching convex die mould provided by the invention; Comprise front portion, die body and afterbody; Said front portion, die body and afterbody are with the cylinder of hard alloy steel with the same on-circular cross-section of the silk thread cutting acquisition of being careful; This non-face of cylinder is the needed cross section of stretching convex die, and afterbody has the installing hole with axis normal.
Non-round stretching convex die mould provided by the invention obtains also needn't do any grinding through the silk thread cutting technique of being careful with hard alloy steel, and the gained stretching convex die is installed through the installing hole of afterbody.Compared with prior art, the present invention has guaranteed the machining accuracy of the cross sectional shape of die body cylinder by the moulding of line cutting processing.Because of adopting hard alloy steel, making it have higher hard degree and stronger wearability, thereby prolonged die life greatly simultaneously, is 4,000 ten thousand times through surveying service life, improves 26 times of life-spans nearly than grand master pattern.The price of hard alloy steel own is well below high speed mould steel, few when making qualification rate height, worker in addition, has saved manufacturing cost more greatly.
Non-round stretching convex die mould provided by the invention; Also has positioning sleeve; Positioning sleeve is a cylinder; Have on it axis parallel with the positioning sleeve column axis and with the cylindrical hole of die body interference fits, have on the positioning sleeve with the stretching convex die afterbody on the coaxial and onesize through hole of installing hole, the stretching convex die afterbody is inserted in the positioning sleeve and with pin and through installing hole both is fixed into an integral body.
The installation method of non-round stretching convex die mould provided by the invention; The stretching convex die front portion is installed in downwards on the fixed head, and fixed head is installed on the ram of pressing equipment, also is fixed with backing plate above the fixed head; Have the cylindrical hole consistent on the fixed head with the positioning sleeve pole section; Insert stretching convex die band positioning sleeve one end in the said cylindrical hole during installation and tail end is withstood on the backing plate, the thickness of fixed head is enclosed within outside the die body with the middle pressing plate that has the non-cylindrical hole identical with the die body cross section less than the height of positioning sleeve then; With trip bolt that pressing plate and fixed head is fastening at last, pressing plate and backing plate are clipped limit it that the loosening of any direction arranged from the positioning sleeve two ends.This mounting structure of the present invention is reasonable, changes original lifting for clamping, be difficult for becoming flexible, and then the service life of further having improved unitary mould.
Description of drawings
Fig. 1 is the structure chart after prior art one non-round stretching convex die mould is installed, among the figure: 1-backing plate, 2-fixed head, 3-stretching convex die, 4-hold-down screw;
Fig. 2 is the structure chart of one embodiment of the invention after installing, among the figure: 5-stretching convex die, 6-backing plate, 7-fixed head, 8-pressing plate, 9-hold-down screw, 10-positioning sleeve, 11-pin.
The specific embodiment
One non-round stretching convex die mould; There is the on-circular cross-section rod that uses the silk thread cutting technique of being careful to cut out qualified length with homemade homemade hard alloy steels of the trade mark such as hard alloy steel such as YG8, YG15, YG20 to be stretching convex die; The cross section of this die body of this example is oblate, is the compound shape of rectangle two ends and semicircle.At its afterbody, be equipped with up and down two with flat lateral vertical and pass through two installing holes of axis.The cuboid positioning sleeve is arranged, and its axial location has the cylindrical hole with the stretching convex die interference fits, and the positioning sleeve height is greater than the fixed head thickness of installing on the pressing equipment.Also have two cross-drilled holes on the positioning sleeve, this two cross-drilled hole is coaxial isometrical with two installing holes that stretching convex die is inserted after positioning sleeve puts in place.Stretching convex die is fixed both as a whole with two pieces of pins after inserting positioning sleeve.
The structure of gained stretching convex die after installing on the pressing equipment is as shown in Figure 2, and being installed on the fixed head 7 on the pressing equipment ram has a rectangular opening, and this hole and location interplanting matched in clearance have backing plate 6 and fixed head to fix on the fixed head.Stretching convex die 5 tail ends insert on the positioning sleeve 10 cylindrical hole and with pin 11 fixedly the parts of gained place in the rectangular opening on the fixed head with positioning sleeve one end.It is outer and be pressed in the positioning sleeve lower end to be enclosed within the stretching convex die die body with a pressing plate 8 again, with two hold-down screws 9 pressing plate and fixed head is fixed again.Positioning sleeve is descended two ends to clip by pressing plate and backing plate from it; Have again that cylindrical hole plays a supporting role on the fixed head, make between positioning sleeve and the fixed head to fixedly positioning, and stretching convex die closely is fixed on the positioning sleeve; Therefore the accurate positioning of stretching convex die is firm, guarantees than high manufacturing accuracy.
Claims (3)
1. non-round stretching convex die mould; Comprise front portion, die body and afterbody; It is characterized in that said front portion, die body and afterbody are with the cylinder of hard alloy steel with the same on-circular cross-section of the silk thread cutting acquisition of being careful; This non-face of cylinder is the needed cross section of stretching convex die, and afterbody has the installing hole with axis normal.
2. non-round stretching convex die mould as claimed in claim 1; It is characterized in that positioning sleeve in addition; Positioning sleeve is a cylinder; Have on it axis parallel with the positioning sleeve column axis and with the cylindrical hole of die body interference fits, have on the positioning sleeve with the stretching convex die afterbody on the coaxial and onesize through hole of installing hole, the stretching convex die afterbody is inserted in the positioning sleeve and with pin and through installing hole both is fixed into an integral body.
3. the installation method of non-round stretching convex die mould as claimed in claim 1; The stretching convex die front portion is installed on the fixed head downwards; Fixed head is installed on the ram of pressing equipment; Also be fixed with backing plate above the fixed head, it is characterized in that having the cylindrical hole consistent on the fixed head, insert stretching convex die band positioning sleeve one end in the said cylindrical hole during installation and tail end is withstood on the backing plate with the positioning sleeve pole section; The thickness of fixed head is less than the height of positioning sleeve; Be enclosed within outside the die body with the middle pressing plate that has the non-cylindrical hole identical with the die body cross section then, with trip bolt that pressing plate and fixed head is fastening at last, pressing plate and backing plate being clipped from the positioning sleeve two ends limit it has becoming flexible of any direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210139699.0A CN102658329B (en) | 2012-05-07 | 2012-05-07 | Non-circular stretching male die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210139699.0A CN102658329B (en) | 2012-05-07 | 2012-05-07 | Non-circular stretching male die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102658329A true CN102658329A (en) | 2012-09-12 |
| CN102658329B CN102658329B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210139699.0A Active CN102658329B (en) | 2012-05-07 | 2012-05-07 | Non-circular stretching male die |
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| CN (1) | CN102658329B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821984A (en) * | 2019-04-11 | 2019-05-31 | 成都纵远机械设备有限公司 | A kind of manufacturing equipment for glass solidified body storage container |
| CN110605544A (en) * | 2019-09-23 | 2019-12-24 | 重庆江增船舶重工有限公司 | Method for machining nozzle ring blade |
| CN115043661A (en) * | 2022-05-25 | 2022-09-13 | 西安鑫垚陶瓷复合材料有限公司 | Non-circular section optical telescope C/SiC composite material lens cone forming tool and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07124651A (en) * | 1993-11-05 | 1995-05-16 | Nisshinbo Ind Inc | Link system die for bending machine and its production |
| JPH0936291A (en) * | 1995-07-25 | 1997-02-07 | Rohm Co Ltd | Method and apparatus for cutting tie bar |
| JPH10109228A (en) * | 1996-10-01 | 1998-04-28 | Shonan Design Kk | Manufacture for die |
| CN201076882Y (en) * | 2007-08-21 | 2008-06-25 | 国营北京曙光电机厂 | Male die assembly for motor rotor combination press tool |
| CN202683765U (en) * | 2012-05-07 | 2013-01-23 | 舟山市金秋机械有限公司 | Non-circular drawing male die |
-
2012
- 2012-05-07 CN CN201210139699.0A patent/CN102658329B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07124651A (en) * | 1993-11-05 | 1995-05-16 | Nisshinbo Ind Inc | Link system die for bending machine and its production |
| JPH0936291A (en) * | 1995-07-25 | 1997-02-07 | Rohm Co Ltd | Method and apparatus for cutting tie bar |
| JPH10109228A (en) * | 1996-10-01 | 1998-04-28 | Shonan Design Kk | Manufacture for die |
| CN201076882Y (en) * | 2007-08-21 | 2008-06-25 | 国营北京曙光电机厂 | Male die assembly for motor rotor combination press tool |
| CN202683765U (en) * | 2012-05-07 | 2013-01-23 | 舟山市金秋机械有限公司 | Non-circular drawing male die |
Non-Patent Citations (3)
| Title |
|---|
| 张占和: "改进凸模结构广泛采用线切割", 《模具工业》 * |
| 张玉中: "高速连续模凸模固定设计", 《南宁职业技术学院学报》 * |
| 柳鹏旭: "数控线切割技术在模具设计与制造中的应用", 《新疆农机化》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821984A (en) * | 2019-04-11 | 2019-05-31 | 成都纵远机械设备有限公司 | A kind of manufacturing equipment for glass solidified body storage container |
| CN109821984B (en) * | 2019-04-11 | 2024-04-26 | 成都纵远机械设备有限公司 | Manufacturing equipment for glass solidified body storage container |
| CN110605544A (en) * | 2019-09-23 | 2019-12-24 | 重庆江增船舶重工有限公司 | Method for machining nozzle ring blade |
| CN115043661A (en) * | 2022-05-25 | 2022-09-13 | 西安鑫垚陶瓷复合材料有限公司 | Non-circular section optical telescope C/SiC composite material lens cone forming tool and method |
| CN115043661B (en) * | 2022-05-25 | 2023-03-21 | 西安鑫垚陶瓷复合材料有限公司 | Non-circular section optical telescope C/SiC composite material lens cone forming tool and method |
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| Publication number | Publication date |
|---|---|
| CN102658329B (en) | 2014-07-09 |
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