CN102784842A - Drawing die - Google Patents
Drawing die Download PDFInfo
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- CN102784842A CN102784842A CN2012102633207A CN201210263320A CN102784842A CN 102784842 A CN102784842 A CN 102784842A CN 2012102633207 A CN2012102633207 A CN 2012102633207A CN 201210263320 A CN201210263320 A CN 201210263320A CN 102784842 A CN102784842 A CN 102784842A
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Abstract
The invention discloses a drawing die. An upper die comprises an upper die plate, an upper die sleeve, a first drawing female die, a second drawing female die and a stripper bar. The first and second drawing female dies are fixedly arranged in the axial direction of an inner hole of the upper die sleeve, and the stripper bar is movably arranged inside the cavities of the two drawing female dies. A lower die comprises a lower die plate, a lower die sleeve, a first drawing male die, a second drawing male die and a retainer plate. The first and second drawing male dies are coaxially sleeved inside the lower die sleeve; the second drawing male die is fixedly arranged while the first drawing male die is movably arranged; the bottom of the first drawing male die is connected with an inner sliding seat; the retainer plate is movably arranged outside the first drawing male die; and the bottom of the retainer plate is connected with an outer sliding seat. The drawing die is capable of conducting the processes of blanking, positive drawing at multiple gates and reshaping to a workpiece, and is high in working efficiency, good in drawing quality and saves energy. Therefore, the drawing die is suitable for drawing workpieces which require big drawing depth such as a motor case, a filter case and the like.
Description
Technical field
The present invention relates to a kind of drawing die that workpiece is carried out stretch process.
Background technology
For the stretch process of the big workpiece of stretching depth such as electric machine casing, filter case, the twice stretching process must will be taked, and the twice stretching process to be accomplished on the twice drawing die, inefficiency; If on one drawing die, accomplish the twice stretching process, to adopt then that first road just stretches, the second road reverse-drawing technology, mould structure is complicated, and it is of poor quality to stretch.In addition, the revert action of counterdie relies on oil cylinder to promote to accomplish in the workpiece drawing process, and oil cylinder promotes to rely on the driving of oil pump, and power consumption is bigger.
Summary of the invention
In view of the deficiency of prior art, the technical problem that the present invention will solve is to be to provide a kind of can carry out to workpiece simultaneously that blanking, multiple tracks are just stretching and integer is processed, high efficiency, and the stretching quality is good, and the drawing die of tool characteristics of energy saving.
For solving the problems of the technologies described above, the present invention takes following technical scheme to accomplish:
A kind of drawing die; Comprise upper die and lower die; It is characterized in that: said patrix comprises cope match-plate pattern, Upper Die-sleeve, the first road stretching die, second road stretching die and the material discharging rod; Upper Die-sleeve is in the fixed installation of the bottom of cope match-plate pattern, and the first road stretching die and the second road stretching die fixedly install at the axial direction of Upper Die-sleeve endoporus, and material discharging rod is movable the setting in the die cavity of twice stretching die; Said counterdie comprises lower bolster, lower die-sleeve, the first road stretching convex die, second road stretching convex die and the retainer plate; Lower die-sleeve is in the fixed installation of the top of lower bolster; The first road stretching convex die and the second road stretching convex die are coaxial sheathed at the lower die-sleeve endoporus, are positioned at the second inboard road stretching convex die and fixedly install, and are positioned at the first road stretching convex die activity setting in the outside; Slide in the bottom of the first road stretching convex die connects; Retainer plate is movable the setting outside the first road stretching convex die, and the bottom of retainer plate connects outer slide, and the up and down of upper and lower slide promoted by lower mold oil cylinder.
The drawing die of technique scheme; When upper and lower mould each other near, at first just draw stretch process to what workpiece carried out first road by the first road concavo-convex mould that stretches, just draw stretch process by the second road concavo-convex mould that stretches to what workpiece carried out second road subsequently; If the concavo-convex mould in the 3rd road is set again; That just can be accomplished and just draw stretch process to what workpiece carried out the 3rd road, high efficiency, and the stretching quality is good.
The endoporus of said Upper Die-sleeve is provided with the integer die, and the integer die fixedly installs against the upper surface of the second road stretching convex die, and the integer punch is located at the top of the second road stretching convex die, and the integer punch and the second road stretching convex die are structure as a whole or fixed connection structure.Above-mentioned design makes the present invention can be to the just processing of the integer after the stretching of workpiece.
The bottom end face of said Upper Die-sleeve connects blanking punch, and the top end of said lower die-sleeve connects blanking die.Above-mentioned design makes the blanking processing before the present invention can just stretch to workpiece.
Said lower mold oil cylinder comprises cylinder body, upper piston, lower piston, outer piston bar and inner piston rod; Inside and outside piston rod is coaxial to be slidingly connected; Slide in inner piston rod connects, the outer piston bar connects outer slide, and cylinder body has last lower hydraulic pressure chamber structure; The upper piston that is connected with the outer piston bar is actively installed on hydraulic cavities, and the lower piston that is connected with inner piston rod is actively installed on lower hydraulic pressure chamber.The action needs of counterdie when above-mentioned design can finely be satisfied twice and just drawing stretch process, and simple and compact for structure.
The hydraulic control system of said lower mold oil cylinder comprises the gas-liquid jar of internal memory hydraulic oil and sealing gas; The oil-out that the gas-liquid pot bottom is provided with is connected the last hydraulic cavities bottom oil-in a of said lower mold oil cylinder through pipeline L1, pipeline L2, check valve A1, pipeline L3; Connect the lower hydraulic pressure chamber bottom oil-in b of said lower mold oil cylinder through pipeline L1, pipeline L4, check valve B1, pipeline L5, pipeline L3 and pipeline L1 communicate through arm L6, and arm L6 is provided with pressure regulator valve A2; Pipeline L3 and pipeline L1 communicate through arm L8; Pipeline L5 and pipeline L1 communicate through arm L7, and arm L7, L8 connect three two-way electromagnetic valves, and arm L8 is provided with pressure regulator valve B2.The design of above-mentioned hydraulic control system makes the revert action of counterdie in the workpiece drawing process just rely on the accumulation of energy resilience of gas-liquid jar just can easily realize, does not need external power drives, has characteristics of energy saving.
In sum; The present invention can be simultaneously carry out to workpiece that blanking, multiple tracks are just stretching and integer processing, high efficiency, and the stretching quality is good; And tool characteristics of energy saving; Be applicable to the stretch process of the big workpiece of stretching depth such as electric machine casing, filter case, compared with prior art, have outstanding substantive distinguishing features and obvious improvement.
Among the figure: 1-patrix, 2-counterdie, 3-lower mold oil cylinder, 4-master cylinder, 5-stretching-machine top board, 6-stretching-machine slide unit, 7-stretching-machine workbench; 8-stretching-machine base plate, 9-spring compression cylinder, 10-cope match-plate pattern, 11-integer die, the 12-second road stretching die, the 13-first road stretching die, 14-blanking punch; The 15-Upper Die-sleeve, 16-material discharging rod, 17-retainer plate, 18-traveller, 19-slide block, 20-traveller, 21-integer punch; The 22-blanking die, the 23-second road stretching convex die, the 24-first road stretching convex die, 25-foundation, 26-lower die-sleeve, 27-lower bolster, the outer slide of 28-; Slide in the 29-, 30-outer piston bar, 31-inner piston rod, 32-upper piston, the last hydraulic cavities of 33-, 34-lower piston; The 35-lower hydraulic pressure chamber, 36-gas-liquid jar, three two-way electromagnetic valves of 37-, 101-steel plate, the workpiece after 102-first road stretches, 103-integer processed workpiece.
Description of drawings
The present invention has following accompanying drawing:
Fig. 1 is the scheme of installation of the present invention on hydraulic tensioner,
Fig. 2 is a structural representation of the present invention,
Fig. 3 is the movement structure figure of the present invention when carrying out the first road stretch process,
Fig. 4 adds the movement structure figure in man-hour for the present invention carrying out integer,
Fig. 5 is the hydraulic control system schematic diagram of lower mold oil cylinder of the present invention,
The workpiece flow process chart that Fig. 6 realizes for the present invention.
The specific embodiment
As shown in the figure; Drawing die of the present invention comprises patrix 1 and counterdie 2, and said patrix 1 comprises cope match-plate pattern 10, Upper Die-sleeve 15, blanking punch 14, the first road stretching die 13, the second road stretching die 12, integer die 11 and material discharging rod 16; Upper Die-sleeve 15 is in the fixed installation of the bottom of cope match-plate pattern 10; The first road stretching die 13, the second road stretching die 12 and integer die 11 fixedly install at the axial direction of Upper Die-sleeve 15 endoporus, and the first road stretching die 13 is in bottom, and the second road stretching die 12 is in the centre; 11 upper surfaces of integer die near the second road stretching convex die 12; Said blanking punch 14 fixedly mounts at the bottom end face of Upper Die-sleeve 15, the up and down setting in the die cavity of stretching die and integer die of said material discharging rod 16, and the top of material discharging rod 16 is connected on the piston of a spring compression cylinder 9; Spring compression cylinder 9 and cope match-plate pattern 10 fixed installations; When stretching work, cope match-plate pattern 10 is connected on the slide unit 6 of hydraulic tensioner, and slide unit 6 is promoted by the master cylinder that is installed in hydraulic tensioner top board 54;
Said counterdie 2 comprises lower bolster 27, lower die-sleeve 26, blanking die 22, the first road stretching convex die 24, the second road stretching convex die 23, integer punch 21 and retainer plate 17; Lower die-sleeve 26 is in the fixed installation of the top of lower bolster 27; The first road stretching convex die 24 and the second road stretching convex die 23 are coaxial sheathed at lower die-sleeve 26 endoporus, are positioned at the second inboard road stretching convex die 23 and are fixed on lower bolster 27 through foundation 25, are positioned at the first road stretching convex die, 24 movable settings the in the outside; Slide 29 in the bottom of the first road stretching convex die 24 connects through slide block 19, traveller 20; Retainer plate 17 is movable the setting outside the first road stretching convex die 24, and the bottom of retainer plate 17 connects outer slide 28 through traveller 18, and the up and down of inside and outside slide promoted by lower mold oil cylinder 3; Integer punch 21 is located at the top of the second road stretching convex die 23; The integer punch 21 and the second road stretching convex die 23 are structure as a whole, and said blanking die 22 is in the top end fixed installation of lower die-sleeve 26, when stretching work; Lower bolster 27 is connected on the workbench 7 of hydraulic tensioner, and lower mold oil cylinder 3 fixedly mounts on the stretching-machine base plate 8 below the hydraulic tensioning machine worktable 7;
Said lower mold oil cylinder 3 comprises cylinder body, upper piston 32, lower piston 34, outer piston bar 30 and inner piston rod 31; Inside and outside piston rod is coaxial to be slidingly connected; Inner piston rod 31 connects said interior slide 29, and outer piston bar 30 connects said outer slide 28, and cylinder body has last lower hydraulic pressure chamber structure; The upper piston 32 that is connected with outer piston bar 30 is actively installed on hydraulic cavities 33; The lower piston 34 that is connected with inner piston rod 31 is actively installed on lower hydraulic pressure chamber 35, and last hydraulic cavities 33 has bottom oil-in a, and lower hydraulic pressure chamber 35 has bottom oil-in b;
The hydraulic control system of said lower mold oil cylinder 3 comprises the gas-liquid jar 36 of internal memory hydraulic oil and sealing gas; The oil-out that gas-liquid jar 36 bottoms are provided with is connected the last hydraulic cavities 33 bottom oil-in a of lower mold oil cylinder through pipeline L1, pipeline L2, check valve A1, pipeline L3; Through the lower hydraulic pressure chamber 35 bottom oil-in b of pipeline L1, pipeline L4, check valve B1, pipeline L5 connection lower mold oil cylinder, pipeline L3 and pipeline L1 communicate through arm L6, and arm L6 is provided with pressure regulator valve A2; Pipeline L3 and pipeline L1 communicate through arm L8; Pipeline L5 and pipeline L1 communicate through arm L7, and arm L7, L8 connect three two-way electromagnetic valves 37, and arm L8 is provided with pressure regulator valve B2.
The course of work of the present invention is: the upper surface that steel plate 101 is placed on counterdie 2; Control the hydraulic tensioner action; Patrix 1 is moved to counterdie 2 directions; At first blanking punch 14 contact with blanking die 22 downwards and workpiece is carried out blanking processes (the workpiece profile behind the blanking as among Fig. 6 1. shown in), and next downward the contact with the first road stretching convex die 24 of the first road stretching die 13 carried out first road to workpiece and just drawn stretch process, at this moment; Blanking punch 14 withstands stripper plate 17 and moves downward; The outer piston bar 30 of lower mold oil cylinder is compressed (hydraulic fluid pressure of going up in the hydraulic cavities 33 is set by pressure regulator valve A2), and inner piston rod 31 is motionless, so the first road stretching convex die 24 is also motionless; When the completion (workpiece 102 profiles after first road stretches as among Fig. 6 2. shown in) that just stretching of first road, the second road stretching die 12 begins downwards contact with the first road stretching convex die 24, and this moment, the F4 of three two-way electromagnetic valves 37 switched on; Last hydraulic cavities 33 flow container 36 of directly ventilating; The hydraulic fluid pressure of lower hydraulic pressure chamber 35 is set by pressure regulator valve B2, so inner piston rod 31 beginnings action downwards, the first road stretching convex die 24 is action downwards thereupon also; Inside and outside piston rod is compressed simultaneously; Workpiece begins second road and is just drawing stretch process (the workpiece profile after second road stretches as among Fig. 6 3. shown in), accomplishes when second road is just drawing stretch process, and integer die 11 contacts with integer punch 21 downwards; Workpiece begins integer processing (integer processed workpiece 103 profiles as among Fig. 6 4. shown in); After the processing of the blanking of workpiece, twice are just drawing stretch process and integer processing all to accomplish, patrix 1 beginning return, this moment, 37 the accumulation of energy of gas-liquid jar began to discharge; Counterdie 2 is also followed the patrix self-return rapidly, and last workpiece takes off material under the effect of material discharging rod 16.
Claims (5)
1. drawing die; Comprise patrix (1) and counterdie (2); It is characterized in that: said patrix (1) comprises cope match-plate pattern (10), Upper Die-sleeve (15), the first road stretching die (13), the second road stretching die (12) and material discharging rod (16); Upper Die-sleeve (15) is in the fixed installation of the bottom of cope match-plate pattern (10); The first road stretching die (13) and the second road stretching die (12) fixedly install at the axial direction of Upper Die-sleeve (15) endoporus, and material discharging rod (16) is movable the setting in the die cavity of twice stretching die; Said counterdie (2) comprises lower bolster (27), lower die-sleeve (26), the first road stretching convex die (24), the second road stretching convex die (23) and retainer plate (17); Lower die-sleeve (26) is in the fixed installation of the top of lower bolster (27); The first road stretching convex die (24) and the second road stretching convex die (23) are coaxial sheathed at lower die-sleeve (26) endoporus; Being positioned at the second inboard road stretching convex die (23) fixedly installs; Be positioned at movable setting of the first road stretching convex die (24) in the outside, slide (29) in the bottom of the first road stretching convex die (24) connects, retainer plate (17) be movable the setting outside the first road stretching convex die (24); The bottom of retainer plate (17) connects outer slide (28), and the up and down of inside and outside slide promoted by lower mold oil cylinder (3).
2. a kind of drawing die according to claim 1; It is characterized in that: the endoporus of said Upper Die-sleeve (15) is provided with integer die (11); Integer die (11) fixedly installs against the upper surface of the second road stretching convex die (12); Integer punch (21) is located at the top of the second road stretching convex die (23), and the integer punch (21) and the second road stretching convex die (23) are structure as a whole or fixed connection structure.
3. a kind of drawing die according to claim 1 is characterized in that: the bottom end face of said Upper Die-sleeve (15) connects blanking punch (14), and the top end of said lower die-sleeve (26) connects blanking die (22).
4. a kind of drawing die according to claim 1; It is characterized in that: said lower mold oil cylinder (3) comprises cylinder body, upper piston (32), lower piston (34), outer piston bar (30) and inner piston rod (31); Inside and outside piston rod is coaxial to be slidingly connected; Slide (29) in inner piston rod (31) connects, outer piston bar (30) connects outer slide (28), and cylinder body has last lower hydraulic pressure chamber structure; The upper piston (32) that is connected with outer piston bar (30) is actively installed on hydraulic cavities (33), and the lower piston (34) that is connected with inner piston rod (31) is actively installed on lower hydraulic pressure chamber (35).
5. a kind of drawing die according to claim 4; It is characterized in that: the hydraulic control system of said lower mold oil cylinder (3) comprises the gas-liquid jar (36) of internal memory hydraulic oil and sealing gas; The oil-out that gas-liquid jar (36) bottom is provided with is connected last hydraulic cavities (33) the bottom oil-in a of said lower mold oil cylinder through pipeline L1, pipeline L2, check valve A1, pipeline L3; Connect lower hydraulic pressure chamber (35) the bottom oil-in b of said lower mold oil cylinder through pipeline L1, pipeline L4, check valve B1, pipeline L5, pipeline L3 and pipeline L1 communicate through arm L6, and arm L6 is provided with pressure regulator valve A2; Pipeline L3 and pipeline L1 communicate through arm L8; Pipeline L5 and pipeline L1 communicate through arm L7, and arm L7, L8 connect three two-way electromagnetic valves (37), and arm L8 is provided with pressure regulator valve B2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102633207A CN102784842A (en) | 2012-07-27 | 2012-07-27 | Drawing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102633207A CN102784842A (en) | 2012-07-27 | 2012-07-27 | Drawing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102784842A true CN102784842A (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102633207A Pending CN102784842A (en) | 2012-07-27 | 2012-07-27 | Drawing die |
Country Status (1)
| Country | Link |
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| CN (1) | CN102784842A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104553014A (en) * | 2013-10-11 | 2015-04-29 | 张华隆 | Hydraulic modification mechanism for dual-disk friction press |
| CN110788191A (en) * | 2019-11-08 | 2020-02-14 | 嘉兴钰丰汽车零部件有限公司 | Upper punch type automobile part stamping device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1254782A (en) * | 1999-03-04 | 2000-05-31 | 张国梁 | Shaper for pile with branch and/or bearing disk |
| CN101269392A (en) * | 2008-04-23 | 2008-09-24 | 山东丽鹏股份有限公司 | Secondary deep-drawing composite mold |
| CN101722231A (en) * | 2008-10-24 | 2010-06-09 | 厦门隆山元交通器材有限公司 | Drawing shaping die of deep drawing part |
| JP2010142826A (en) * | 2008-12-17 | 2010-07-01 | Aisin Seiki Co Ltd | Composite bending press die |
| CN102310146A (en) * | 2011-09-13 | 2012-01-11 | 田豫皖 | Twice stretching molding die used for manufacturing aluminum cap |
| CN202683796U (en) * | 2012-07-27 | 2013-01-23 | 平阳县力奇液压机械制造有限公司 | Drawing die |
-
2012
- 2012-07-27 CN CN2012102633207A patent/CN102784842A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1254782A (en) * | 1999-03-04 | 2000-05-31 | 张国梁 | Shaper for pile with branch and/or bearing disk |
| CN101269392A (en) * | 2008-04-23 | 2008-09-24 | 山东丽鹏股份有限公司 | Secondary deep-drawing composite mold |
| CN101722231A (en) * | 2008-10-24 | 2010-06-09 | 厦门隆山元交通器材有限公司 | Drawing shaping die of deep drawing part |
| JP2010142826A (en) * | 2008-12-17 | 2010-07-01 | Aisin Seiki Co Ltd | Composite bending press die |
| CN102310146A (en) * | 2011-09-13 | 2012-01-11 | 田豫皖 | Twice stretching molding die used for manufacturing aluminum cap |
| CN202683796U (en) * | 2012-07-27 | 2013-01-23 | 平阳县力奇液压机械制造有限公司 | Drawing die |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104553014A (en) * | 2013-10-11 | 2015-04-29 | 张华隆 | Hydraulic modification mechanism for dual-disk friction press |
| CN110788191A (en) * | 2019-11-08 | 2020-02-14 | 嘉兴钰丰汽车零部件有限公司 | Upper punch type automobile part stamping device |
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Application publication date: 20121121 |