CN103071722A - Reciprocating fine blanking compound die - Google Patents
Reciprocating fine blanking compound die Download PDFInfo
- Publication number
- CN103071722A CN103071722A CN2013100123295A CN201310012329A CN103071722A CN 103071722 A CN103071722 A CN 103071722A CN 2013100123295 A CN2013100123295 A CN 2013100123295A CN 201310012329 A CN201310012329 A CN 201310012329A CN 103071722 A CN103071722 A CN 103071722A
- Authority
- CN
- China
- Prior art keywords
- die
- plate
- punch
- fixed
- bolster
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention relates to a reciprocating fine blanking compound die, which belongs to the technical field of dies and aims to solve the technical problem to provide a fine blanking compound die which is capable of reducing blank burrs. The reciprocating fine blanking compound die has the technical scheme that the die comprises an upper die and a lower die, wherein the lower die has the structure that a lower die plate, a lower base plate, a lower fixing plate and a lower concave die are sequentially fixed on a lower die seat through bolts, and a lower oil cylinder is arranged in a central hole 6+5 of the lower die seat, a lower pressure bearing plate is fixed on a piston of the lower oil cylinder, and lower convex and concave die is sleeved in a central hole of the lower concave die; and the upper die has the structure that an upper die plate, an upper base plate and an upper fixing plate are sequentially fixed on the bottom of an upper die seat through bolts, bolts of an upper concave die are connected with the upper concave die after penetrating through the upper die plate, the upper base plate and the upper fixing plate, an upper oil cylinder is arranged in a central hole of the upper die seat, the upper part of an upper convex die is movably sleeved in a central hole of the upper base plate, and the lower part of the upper convex die is sleeved in a central through hole of an upper convex and concave die. According to the blanking die disclosed by the invention, raw materials are blanked bidirectionally to effectively reduce the burrs.
Description
Technical field
The reciprocal accurate blanking and piercing with combination tool mould of the present invention belongs to technical field of mold, particularly relates to a kind of composite die of punching process.
Background technology
The punching process that adopts both at home and abroad at present has two large classes: a class is common stamping, another kind of is fine-edge blanking, no matter be which kind of punching process, all adopt be unidirectional stamping-out and obtain to rush the part surface and all be with jagged, burr not only affects accessory appearance, and distortion operation afterwards simultaneously also causes difficulty to subsequent handling by cracking because generation stress is concentrated and easily caused, also can bring the wearing and tearing of aggravation cutting edge, reduce the defectives such as die life.The height of burr depends primarily on that the intensity of being rushed the part material, material are thick, the size of blade clearance and the abrasion condition of die point etc., although the improvement of above-mentioned factor can be the limitation in height of burr to a certain minimum of a value, but the burr after improving still can not satisfy the part that rushes that form and dimensional precision has relatively high expectations, and needs following process to dwindle burr or eliminate burr.Bring thus more production cost, production efficiency is not high.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical problem to be solved provides a kind ofly can dwindle the fine-edge blanking composite die that rushes the part burr, thereby reduces following process.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: reciprocal accurate blanking and piercing with combination tool mould, comprise upper die and lower die, the structure of described counterdie is: on the die shoe by bolt from the bottom up successively stack be fixed with lower bolster, lower bolster, bottom plate and lower cavity die, the center of die shoe and lower bolster all has through hole, lower oil cylinder is installed in the centre bore of described die shoe, be fixed with lower bearing plate on the piston of lower oil cylinder, lower lock block be fixed on the lower bearing plate and the lower lock block movable set in the centre bore of described lower bolster, the center of described lower cavity die also has through hole, lower punch-die movable set is in the centre bore of described lower cavity die, a plurality of down-pressed poles run through lower bolster and bottom plate, one end of down-pressed pole withstands on the lower lock block, the other end of down-pressed pole withstands on the lower punch-die, the center of described lower punch-die also has through hole, and the top movable of lower punch is sleeved in the centre bore of described lower punch-die, and the bottom of lower punch is fixedly connected with bottom plate;
The structure of described patrix is: the bottom of upper bolster superposes successively from top to bottom by bolt and is fixed with cope match-plate pattern, upper padding plate and upper mounted plate, the polished rod of upper cavity die bolt partly passes cope match-plate pattern, upper padding plate is connected its threaded portion and is connected with upper cavity die with upper mounted plate, described upper bolster, cope match-plate pattern, upper padding plate, the center of upper mounted plate and upper cavity die all has through hole, upper cylinder is installed in the centre bore of upper bolster, be fixed with bearing plate on the piston of upper cylinder, a plurality of upperpush rods all run through cope match-plate pattern, upper padding plate and upper mounted plate, and the top of upperpush rod withstands on the bearing plate, the bottom of upperpush rod withstands on the upper cavity die, the upper holder block movable set is in the centre bore of cope match-plate pattern, the top of upper holder block withstands on the bearing plate, the bottom of upper holder block is connected with upper male mould, the top movable of upper male mould is sleeved in the centre bore of upper padding plate, the bottom movable set of upper male mould is in the central through hole of upper punch-die, the epirelief die case is contained in the centre bore of upper mounted plate and upper cavity die, and upper punch-die is fixed on the upper mounted plate;
The cross sectional shape of described upper male mould and lower punch, upper punch-die and lower punch-die, size are all identical and their center line is coaxial;
One or more guiding mechanisms are installed between described upper bolster and the die shoe.
Have the inverted T-shaped through hole on the described bottom plate, the inverted T-shaped of described lower punch for matching with described inverted T-shaped through hole, lower bolster and bottom plate close contact are fixed on lower punch on the bottom plate.
Have T shape through hole on the fixed plate, the T shape of upper punch-die for matching with described T shape through hole, upper padding plate and upper mounted plate close contact are fixed on upper punch-die on the upper mounted plate.
The structure of the guiding mechanism between described upper bolster and the die shoe is: the guide pillar movable set is in the inside of guide pin bushing, and guide pillar is fixed on the die shoe, and guide pin bushing is fixed on the upper bolster.
The fixed plate is fixedly connected with an end of inner guiding post, and the other end of inner guiding post vertically runs through upper cavity die, and described lower cavity die has the hole on the position corresponding with inner guiding post.
The present invention is compared with existing technology the beneficial effect that has: the present invention is by arranging respectively upper cavity die at patrix, upper punch-die, upper male mould, at counterdie lower cavity die is set respectively, lower punch-die, lower punch, lower piston promotes lower bearing plate and lower lock block and then promotion down-pressed pole makes lower punch-die to top dead-centre, the upper bearing plate of meanwhile upper piston promotion and then promotion upperpush rod and upper holder block make upper cavity die and upper male mould to bottom dead centre, then slider of punch is descending, upper cavity die, upper male mould begins stamping-out to the raw material that locate at lower punch-die, until upper punch-die and lower punch, lower cavity die contact raw material; Along with slide block continues descending, upper punch-die overcomes the active force of lower punch-die, lower cavity die, lower punch overcome the active force of upper cavity die, upper male mould simultaneously, to the raw material sanction that recoils, until stamping-out is finished, so simply realized raw-material two-way blanking and piercing with combination tool, can effectively reduce the burr on the raw material behind the stamping-out, reduce the following process of bringing owing to processing burr, reduced simultaneously production cost, improved operating efficiency.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present invention.
Among the figure, 1 is patrix, and 2 is counterdie, 3 is die shoe, and 4 is lower bolster, and 5 is lower bolster, 6 is bottom plate, and 7 is lower cavity die, and 8 is lower oil cylinder, 9 is lower bearing plate, and 10 is lower lock block, and 11 is lower punch-die, 12 is down-pressed pole, and 13 is lower punch, and 14 is upper bolster, 15 is cope match-plate pattern, and 16 is upper padding plate, and 17 is upper mounted plate, 18 is the upper cavity die bolt, and 19 is upper cavity die, and 20 is upper cylinder, 21 is upper bearing plate, and 22 is upperpush rod, and 24 is upper holder block, 25 is upper male mould, and 26 is upper punch-die, and 27 is guiding mechanism, 28 is guide pillar, and 29 is guide pin bushing, and 30 is inner guiding post.
The specific embodiment
As shown in Figure 1, the reciprocal accurate blanking and piercing with combination tool mould of the present invention, comprise patrix 1 and counterdie 2, the structure of described counterdie 2 is: on the die shoe 3 by bolt from the bottom up successively stack be fixed with lower bolster 4, lower bolster 5, bottom plate 6 and lower cavity die 7, the center of die shoe 3 and lower bolster 4 all has through hole, lower oil cylinder 8 is installed in the centre bore of described die shoe 3, be fixed with lower bearing plate 9 on the piston of lower oil cylinder 8, lower lock block 10 be fixed on the lower bearing plate 9 and lower lock block 10 movable sets in the centre bore of described lower bolster 4, the center of described lower cavity die 7 also has through hole, lower punch-die 11 movable sets are in the centre bore of described lower cavity die 7, a plurality of down-pressed poles 12 run through lower bolster 4 and bottom plate 6, one end of down-pressed pole 12 withstands on the lower lock block 10, the other end of down-pressed pole 12 withstands on the lower punch-die 11, the center of described lower punch-die 11 also has through hole, and the top movable of lower punch 13 is sleeved in the centre bore of described lower punch-die 11, and the bottom of lower punch 13 is fixedly connected with bottom plate 6;
The structure of described patrix 1 is: the bottom of upper bolster 14 superposes successively from top to bottom by bolt and is fixed with cope match-plate pattern 15, upper padding plate 16 and upper mounted plate 17, the polished rod of upper cavity die bolt 18 partly passes cope match-plate pattern 15, its threaded portion was connected connection after upper padding plate 16 was connected with upper mounted plate with upper cavity die, described upper bolster 14, cope match-plate pattern 15, upper padding plate 16, the center of upper mounted plate 17 and upper cavity die 19 all has through hole, upper cylinder 20 is installed in the centre bore of upper bolster 14, be fixed with bearing plate 21 on the piston of upper cylinder 20, a plurality of upperpush rods 22 all run through cope match-plate pattern 15, upper padding plate 16 and upper mounted plate 17, and the top of upperpush rod 22 withstands on the bearing plate 21, the bottom of upperpush rod 22 withstands on the upper cavity die 19, upper holder block 24 movable sets are in the centre bore of cope match-plate pattern 15, the top of upper holder block 24 withstands on the bearing plate 21, the bottom of upper holder block 24 is connected with upper male mould 25, the top movable of upper male mould 25 is sleeved in the centre bore of upper padding plate 16, the bottom movable set of upper male mould 25 is in the central through hole of upper punch-die 26, upper punch-die 26 is sleeved in the centre bore of upper mounted plate 17 and upper cavity die 19, and upper punch-die 26 is fixed on the upper mounted plate 17;
The cross sectional shape of described upper male mould 25 and lower punch 13, upper punch-die 26 and lower punch-die 11, size are all identical and their center line is coaxial;
One or more guiding mechanisms 27 are installed between described upper bolster 14 and the die shoe 3.
Have the inverted T-shaped through hole on the described bottom plate 6, the inverted T-shaped of described lower punch 13 for matching with described inverted T-shaped through hole, lower bolster 5 and bottom plate 6 close contacts are fixed on lower punch 13 on the bottom plate 6.
Have T shape through hole on the fixed plate 17, the T shape of upper punch-die 26 for matching with described T shape through hole, upper padding plate 16 and upper mounted plate 17 close contacts are fixed on upper punch-die 26 on the upper mounted plate 17.
The structure of the guiding mechanism 27 between described upper bolster 14 and the die shoe 3 is: guide pillar 28 movable sets are in the inside of guide pin bushing 29, and guide pillar 28 is fixed on the die shoe 3, and guide pin bushing 29 is fixed on the upper bolster 14.
Fixed plate 17 is fixedly connected with an end of inner guiding post 30, and the other end of inner guiding post 30 vertically runs through upper cavity die 19, and described lower cavity die 7 and inner guiding post 30 have the hole on the corresponding position.
The present invention is installed on the punch press, and wherein, upper bolster is fixedly connected with slide block on the punch press, so that patrix can move up and down along with slide block.
Described upper cavity die 19 is enclosed within on the upper punch-die 26 movingly with gapless, described upper punch-die 26 and upper male mould 25 be gapless movingly, an end of described upper holder block 24 and upper male mould 25 is installed in the die cavity of cope match-plate pattern 15 and upper padding plate 16 with matched in clearance;
Described lower cavity die 7 and lower punch-die 26 be gapless movingly, described lower punch-die 26 and lower punch 13 be gapless movingly, described lower lock block 10 is installed in the hole of lower bolster 4 with matched in clearance.
The course of work of the present invention is: the present invention is installed to punch press, guarantee to install fastening firm after, at first play the lower bearing plate 9 of oil cylinder 8 promotions and lower lock block 10 and then promote down-pressed pole 12 to make lower punch-die 11 to top dead-centre, the upper bearing plate 21 of meanwhile upper cylinder 20 promotions and then promotion upperpush rod 22 and upper holder block 24 make upper cavity die 19 and upper male mould 25 to bottom dead centre; Raw material are placed on the lower punch-die 26 location, and after finished the location, slider of punch was descending, upper cavity die 19 contact raw material with upper male mould 25 and under lower punch-die 26 effects to the raw material stamping-out, contact raw material until go up punch-die 26 with lower punch 13, lower cavity die 7; Along with slider of punch continues descendingly, upper punch-die 26 overcomes the active force of lower punch-die 11, and lower cavity die 7, lower punch 13 overcome the active force of upper cavity die 19, upper male mould 25 simultaneously, to the raw material sanction that recoils, until stamping-out is finished.Raw material during the slider of punch backhaul behind the stamping-out under the effect of lower punch-die 11 from lower cavity die 7 and lower punch 13 interior releases, rim charge under the effect of upper cavity die 19 and upper male mould 25 from punch-die 26 back off.
Claims (5)
1. reciprocal accurate blanking and piercing with combination tool mould, comprise patrix (1) and counterdie (2), it is characterized in that: the structure of described counterdie (2) is: the upper stack successively from the bottom up by bolt of die shoe (3) is fixed with lower bolster (4), lower bolster (5), bottom plate (6) and lower cavity die (7), the center of die shoe (3) and lower bolster (4) all has through hole, lower oil cylinder (8) is installed in the centre bore of described die shoe (3), be fixed with lower bearing plate (9) on the piston of lower oil cylinder (8), lower lock block (10) is fixed on upper and lower lock block (10) movable set of lower bearing plate (9) in the centre bore of described lower bolster (4), the center of described lower cavity die (7) also has through hole, lower punch-die (11) movable set is in the centre bore of described lower cavity die (7), a plurality of down-pressed poles (12) run through lower bolster (4) and bottom plate (6), one end of down-pressed pole (12) withstands on the lower lock block (10), the other end of down-pressed pole (12) withstands on the lower punch-die (11), the center of described lower punch-die (11) also has through hole, the top movable of lower punch (13) is sleeved in the centre bore of described lower punch-die (11), and the bottom of lower punch (13) is fixedly connected with bottom plate (6);
The structure of described patrix (1) is: the bottom of upper bolster (14) superposes successively from top to bottom by bolt and is fixed with cope match-plate pattern (15), upper padding plate (16) and upper mounted plate (17), the polished rod of upper cavity die bolt (18) partly passes cope match-plate pattern (15), upper padding plate (16) is connected 17 with upper mounted plate) after its threaded portion be connected 19 with upper cavity die) connect, described upper bolster (14), cope match-plate pattern (15), upper padding plate (16), the center of upper mounted plate (17) and upper cavity die (19) all has through hole, upper cylinder (20) is installed in the centre bore of upper bolster (14), be fixed with bearing plate (21) on the piston of upper cylinder (20), a plurality of upperpush rods (22) all run through cope match-plate pattern (15), upper padding plate (16) and upper mounted plate (17), and the top of upperpush rod (22) withstands on the bearing plate (21), the bottom of upperpush rod (22) withstands on the upper cavity die (19), upper holder block (24) movable set is in the centre bore of cope match-plate pattern (15), the top of upper holder block (24) withstands on the bearing plate (21), the bottom of upper holder block (24) is connected with upper male mould (25), the top movable of upper male mould (25) is sleeved in the centre bore of upper padding plate (16), the bottom movable set of upper male mould (25) is in the central through hole of upper punch-die (26), upper punch-die (26) is sleeved in the centre bore of upper mounted plate (17) and upper cavity die (19), and upper punch-die (26) is fixed on the upper mounted plate (17);
The cross sectional shape of described upper male mould (25) and lower punch (13), upper punch-die (26) and lower punch-die (11), size are all identical and their center line is coaxial;
Between described upper bolster (14) and the die shoe (3) one or more guiding mechanisms (27) are installed.
2. reciprocal accurate blanking and piercing with combination tool mould according to claim 1, it is characterized in that: described bottom plate has the inverted T-shaped through hole on (6), the inverted T-shaped of described lower punch (13) for matching with described inverted T-shaped through hole, lower bolster (5) and bottom plate (6) close contact are fixed on lower punch (13) on the bottom plate (6).
3. reciprocal accurate blanking and piercing with combination tool mould according to claim 1, it is characterized in that: have T shape through hole on the fixed plate (17), the T shape of upper punch-die (26) for matching with described T shape through hole, upper padding plate (16) and upper mounted plate (17) close contact are fixed on upper punch-die (26) on the upper mounted plate (17).
4. the described reciprocal accurate blanking and piercing with combination tool mould of any one according to claim 1-3, it is characterized in that: the structure of the guiding mechanism (27) between described upper bolster (14) and the die shoe (3) is: guide pillar (28) movable set is in the inside of guide pin bushing (29), guide pillar (28) is fixed on the die shoe (3), and guide pin bushing (29) is fixed on the upper bolster (14).
5. the described reciprocal accurate blanking and piercing with combination tool mould of any one according to claim 1-3, it is characterized in that: fixed plate (17) is fixedly connected with an end of inner guiding post (30), the other end of inner guiding post (30) vertically runs through upper cavity die (19), and described lower cavity die (7) has the hole on the position corresponding with inner guiding post (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310012329.5A CN103071722B (en) | 2013-01-14 | 2013-01-14 | Reciprocal accurate blanking and piercing with combination tool mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310012329.5A CN103071722B (en) | 2013-01-14 | 2013-01-14 | Reciprocal accurate blanking and piercing with combination tool mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103071722A true CN103071722A (en) | 2013-05-01 |
| CN103071722B CN103071722B (en) | 2016-06-22 |
Family
ID=48148533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310012329.5A Expired - Fee Related CN103071722B (en) | 2013-01-14 | 2013-01-14 | Reciprocal accurate blanking and piercing with combination tool mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103071722B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492965A (en) * | 2014-12-23 | 2015-04-08 | 无锡微研有限公司 | Composite die structure with chamfering hole |
| CN105081087A (en) * | 2015-08-07 | 2015-11-25 | 大连益联金属成型有限公司 | Punching and blanking compound die for connecting pieces |
| CN106182183A (en) * | 2016-08-30 | 2016-12-07 | 贵州新安航空机械有限责任公司 | A kind of simple blanking and piercing with combination tool mould for machining of non-metallic material |
| CN106311893A (en) * | 2015-06-25 | 2017-01-11 | 杭州斯莱特泵业有限公司 | T-shaped part compound die |
| CN110238291A (en) * | 2018-03-07 | 2019-09-17 | 无锡有为精密模具有限公司 | A kind of two-sided feeding means of progressive die feeding |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247862A (en) * | 1989-09-20 | 1993-09-28 | Feintool International Holding | Process for producing burr-free workpieces by blanking, in particular in a counterblanking tool |
| RO112818B1 (en) * | 1994-01-26 | 1998-01-30 | Ion Neagoe | Cutting process and reversible cutting-boring die |
| CN2721273Y (en) * | 2004-05-25 | 2005-08-31 | 河南新飞电器有限公司 | Double-directional blanking mould |
| RU2399451C2 (en) * | 2008-11-21 | 2010-09-20 | Аркадий Петрович Сергиев | Device for reversible cutting of orifice from sheet stock |
| CN102284627A (en) * | 2011-08-23 | 2011-12-21 | 山西惠丰机械工业有限公司 | Combined mould for upsetting-extruding and cutting ports of tapered part |
| CN102806264A (en) * | 2012-08-09 | 2012-12-05 | 河南星光机械制造有限公司 | Two-way fine stamping die and two-way fine stamping part processing method |
| CN102814387A (en) * | 2012-09-06 | 2012-12-12 | 江麓机电集团有限公司 | Punch forming die of high-precision friction plate |
| CN203124525U (en) * | 2013-01-14 | 2013-08-14 | 山西惠丰机械工业有限公司 | Reciprocating fine compound blanking die |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU673352A1 (en) * | 1976-11-18 | 1979-07-15 | Всесоюзный заочный машиностроительный институт | Die set for clean cutting-out |
| SU1171154A1 (en) * | 1984-02-20 | 1985-08-07 | Dmitrij D Polishchuk | Method of reverse chipping and die for its effecting |
-
2013
- 2013-01-14 CN CN201310012329.5A patent/CN103071722B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5247862A (en) * | 1989-09-20 | 1993-09-28 | Feintool International Holding | Process for producing burr-free workpieces by blanking, in particular in a counterblanking tool |
| RO112818B1 (en) * | 1994-01-26 | 1998-01-30 | Ion Neagoe | Cutting process and reversible cutting-boring die |
| CN2721273Y (en) * | 2004-05-25 | 2005-08-31 | 河南新飞电器有限公司 | Double-directional blanking mould |
| RU2399451C2 (en) * | 2008-11-21 | 2010-09-20 | Аркадий Петрович Сергиев | Device for reversible cutting of orifice from sheet stock |
| CN102284627A (en) * | 2011-08-23 | 2011-12-21 | 山西惠丰机械工业有限公司 | Combined mould for upsetting-extruding and cutting ports of tapered part |
| CN102806264A (en) * | 2012-08-09 | 2012-12-05 | 河南星光机械制造有限公司 | Two-way fine stamping die and two-way fine stamping part processing method |
| CN102814387A (en) * | 2012-09-06 | 2012-12-12 | 江麓机电集团有限公司 | Punch forming die of high-precision friction plate |
| CN203124525U (en) * | 2013-01-14 | 2013-08-14 | 山西惠丰机械工业有限公司 | Reciprocating fine compound blanking die |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492965A (en) * | 2014-12-23 | 2015-04-08 | 无锡微研有限公司 | Composite die structure with chamfering hole |
| CN106311893A (en) * | 2015-06-25 | 2017-01-11 | 杭州斯莱特泵业有限公司 | T-shaped part compound die |
| CN105081087A (en) * | 2015-08-07 | 2015-11-25 | 大连益联金属成型有限公司 | Punching and blanking compound die for connecting pieces |
| CN106182183A (en) * | 2016-08-30 | 2016-12-07 | 贵州新安航空机械有限责任公司 | A kind of simple blanking and piercing with combination tool mould for machining of non-metallic material |
| CN106182183B (en) * | 2016-08-30 | 2019-02-26 | 贵州新安航空机械有限责任公司 | A kind of simple blanking and piercing with combination tool mold for machining of non-metallic material |
| CN110238291A (en) * | 2018-03-07 | 2019-09-17 | 无锡有为精密模具有限公司 | A kind of two-sided feeding means of progressive die feeding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103071722B (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201880798U (en) | Blanking, punching and shaping composite stamping die | |
| CN201969774U (en) | Cantilever type bidirectional punching die | |
| CN203304399U (en) | Horn basin stand stamping progressive die | |
| CN202291044U (en) | Edge cutting and punching die | |
| CN203887063U (en) | Forming, trimming and flanging combined die structure | |
| CN202062004U (en) | Novel precise stamping die | |
| CN103071722A (en) | Reciprocating fine blanking compound die | |
| CN202461279U (en) | Composite die applied for processing short small flanging gasket type component | |
| CN204308042U (en) | A kind of compound progressive die | |
| CN102397947A (en) | Composite die for edge cutting and punching | |
| CN203124523U (en) | Reciprocating fine blanking die | |
| CN202291045U (en) | Compound die for trimming and punching | |
| CN103203413A (en) | Outer ring continuous stamping die | |
| CN103071721B (en) | Reciprocal fine-blanking die | |
| CN102397945A (en) | Trimming and punching die | |
| CN203124525U (en) | Reciprocating fine compound blanking die | |
| CN203124524U (en) | Reciprocating fine coining and blanking die | |
| CN202356510U (en) | Die structure capable of realizing punching and hole flanging on lateral wall of oil tank | |
| CN204545112U (en) | The all side piercing die structures of spheroidal part | |
| CN202779433U (en) | Iron sheet embossing and punching and blanking composite die for packing box | |
| CN202725748U (en) | Universal mold seat of punching mold | |
| CN204234589U (en) | A kind of automobile panel rushes hole flanging mold | |
| CN201603811U (en) | Mold frame used for closed punch press | |
| CN102909272A (en) | Flange drawing die | |
| CN203875216U (en) | Stamping die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20170114 |