CN111250601A - 90-degree torsion progressive die - Google Patents
90-degree torsion progressive die Download PDFInfo
- Publication number
- CN111250601A CN111250601A CN202010053393.8A CN202010053393A CN111250601A CN 111250601 A CN111250601 A CN 111250601A CN 202010053393 A CN202010053393 A CN 202010053393A CN 111250601 A CN111250601 A CN 111250601A
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- China
- Prior art keywords
- die
- plate
- core plate
- block
- twist
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/14—Twisting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
Abstract
The invention provides a 90-degree torsion progressive die, wherein an elastic jacking mechanism is arranged between a lower die core plate and a lower die plate, the elastic jacking mechanism is used for jacking a lower die core, and a walking channel is arranged on the lower die core plate; a first punching female die and a second punching female die are respectively arranged at two ends of the lower die core plate, a corresponding first punching male die and a corresponding second punching male die are arranged on the upper die core plate, torsion mechanisms are respectively arranged on the upper die core plate and the lower die core plate, and a shaping mechanism is arranged between the torsion mechanisms and the second punching female die; torsion mechanism of lower mould benevolence board including set up in the direction subassembly of walking passageway both sides, the direction subassembly inlay in the lower mould benevolence board, be equipped with first kicking block subassembly on the direction subassembly, this modulus of continuity is through the mode of continuous punching press, and the tip that passes through the ejector pad with the work piece at the terminal position promotes to twist reverse 90, later punching press flaking, and the product yield that obtains is higher to it is high-efficient.
Description
Technical Field
The invention relates to the field of die stamping, in particular to a 90-degree torsion progressive die.
Background
As shown in the product of figure 8, the end part of the long structure has a continuous 90-degree torsion, and for the structure, the existing processing mode is that the structure is formed by punching firstly and then performing torsion stamping in a subsection mode, corresponding arc-shaped upper and lower dies are needed, the efficiency is low, and the die is difficult to manufacture, the efficiency is low, and the die is difficult to apply to a continuous die for use.
Disclosure of Invention
In order to solve the technical problem, the invention provides a 90-degree torsion progressive die, which comprises an upper fixing plate and a lower fixing plate, wherein the lower part of the upper fixing plate is connected with an upper die plate, a plurality of die pins are arranged on the lower fixing plate, a lower die plate is arranged on the die pins, a lower die core plate is arranged on the lower die plate, an upper die core plate is arranged on the upper die plate,
an elastic jacking mechanism is arranged between the lower die core plate and the lower die plate and used for jacking the lower die core, and a walking channel is arranged on the lower die core plate;
a first punching female die and a second punching female die are respectively arranged at two ends of the lower die core plate, a corresponding first punching male die and a corresponding second punching male die are arranged on the upper die core plate, torsion mechanisms are respectively arranged on the upper die core plate and the lower die core plate, and a shaping mechanism is arranged between the torsion mechanisms and the second punching female die;
the torsion mechanism of the lower die core plate comprises guide components arranged on two sides of the walking channel, the guide components are embedded in the lower die core plate, and a first ejector block component is arranged on each guide component;
the torsion mechanism of the upper template comprises a second ejector block assembly, and the side surfaces of the first ejector block assembly and the second ejector block assembly are attached to each other when the first ejector block assembly and the second ejector block assembly are assembled.
Preferably, a plurality of positioning pins are arranged on two sides of the walking channel at equal intervals, and the end parts of the positioning pins are fixed on the lower template and extend to the upper part of the lower die core plate.
Preferably, the elastic jacking mechanism comprises a jacking block fixedly embedded on the lower die core plate, a jacking rod is inserted into the jacking block, a spring is sleeved on the lower portion of the jacking rod and fixed in the lower die plate, a notch is formed in the end portion of the jacking rod, and the notch and the jacking block are clamped.
Preferably, the two sides of the walking channel are provided with limiting blocks in an arranging manner.
Preferably, the guide assembly comprises a bottom block, a stop block is arranged on one side, facing the walking channel, of the bottom block, an opening is formed in the stop block, a top column is arranged on the lower portion of the bottom block, and the top column penetrates through the bottom plate and is connected to the first top block assembly.
Preferably, the first ejector block assembly and the second ejector block assembly comprise L-shaped push blocks, torsion blocks are arranged on vertical portions of the push blocks, and during die assembly, the side faces of the torsion blocks of the first ejector block assembly and the second ejector block assembly are attached to each other.
Preferably, the lower part of the push block is provided with a square groove, the bottom block is provided with a wedge-shaped block, and the square groove is clamped on the inclined edge of the wedge-shaped block.
Preferably, the shaping mechanism comprises two shaping blocks positioned on the lower template, a space is arranged between the shaping blocks, and an arc part is arranged at the upper part of the shaping block.
Preferably, the first punching female die comprises an L-shaped panel, a shaped hole is formed in the L-shaped panel, and a trimming groove is formed in the edge of the L-shaped panel.
Preferably, the second punching female die comprises two bottom plates, and the bottom plates are provided with elongated holes.
The 90-degree torsion continuous die provided by the invention has the following beneficial effects: the progressive die pushes and twists the end part of a workpiece by 90 degrees through the push block at the tail end position in a continuous stamping mode, and then performs stamping and sheet making, so that the obtained product yield is high and high in efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top mold of the present invention;
FIG. 3 is a schematic view of the lower die of the present invention;
FIG. 4 is a schematic view of the twisting mechanism of the lower platen of the present invention;
FIG. 5 is a schematic view of the twisting mechanism of the lower platen of the present invention;
FIG. 6 is a schematic view of the spring jack of the present invention;
FIG. 7 is a schematic view of the twisting mechanism of the lower template and the lower template of the present invention;
FIG. 8 is a schematic view of a workpiece according to the present invention;
FIG. 9 is a schematic view of a stamped condition of the stock strip of the present invention;
FIG. 10 is a schematic view of a reforming mechanism of the present invention;
wherein, 1, an upper fixing plate; 2. a lower fixing plate; 3. mounting a template; 4. a mould leg; 5. a lower template; 6. a lower core plate; 7. an elastic jacking mechanism; 8. a walking channel belt; 9. a limiting block; 10. a first punching female die; 11. a second punching female die; 12. a second punching male die; 13. a torsion mechanism; 14. a shaping mechanism; 15. a positioning pin; 16. a top block; 17. a top rod; 18. a spring; 19. cutting; 20. a bottom block; 21. a stopper; 22. an opening; 23. a top pillar; 24. a wedge block; 25. a push block; 26. a twisting block; 27. shaping blocks; 28. and a second punching male die.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, the present invention provides a 90 ° torsional continuous die, which comprises an upper fixing plate 1 and a lower fixing plate 2, wherein the lower part of the upper fixing plate 1 is connected with an upper template 3, a plurality of die feet 4 are arranged on the lower fixing plate 2, a lower template 5 is arranged on the die feet 4, a lower die core template 6 is arranged on the lower template 5, an upper die core template (not shown) is arranged on the upper template 3,
as shown in fig. 3, an elastic jacking mechanism 7 is arranged between the lower mold core plate 6 and the lower mold plate 5, the elastic jacking mechanism 7 is used for jacking the lower mold core, and a walking channel is arranged on the lower mold core plate 6; a plurality of guide pillars are arranged between the upper template 3 and the lower template 5 to ensure the stability of die assembly, limiting blocks 9 are arranged on two sides of the walking channel, a plurality of positioning needles 15 are arranged on two sides of the walking channel at equal intervals, the end parts of the positioning needles 15 are fixed on the lower template 5 and extend to the upper part of the lower die core plate 6, when in use, a raw material belt extends into one end of the continuous die, the primary positioning of the raw material belt is limited by the limiting blocks 9 on the two sides, the raw material belt is provided with round holes, the raw material belt is positioned by the arranged positioning needles 15, the position of one positioning needle 15 is moved on the raw material belt, one-side stamping is carried out, and the positioning position of each stamping is ensured to be accurate by;
wherein, each time the raw material belt is lifted up along with the lower mould core after being pressed down once, the raw material belt extends out of the positioning needle 15 and moves a station, and after each pressing, the workpiece is bounced up by the elastic jacking mechanism 7, as shown in fig. 6, the elastic jacking mechanism 7 comprises a jacking block 16 fixedly embedded on the lower die core plate 6, a top rod 17 is inserted into the top block 16, a spring 18 is sleeved on the lower part of the top rod 17, the spring 18 is fixed in the lower template 5, the end part of the ejector rod 17 is provided with a notch 19, the notch 19 is clamped with the ejector block 16, after each time of pressing, the pressing raw material belt presses the elastic jacking mechanism 7 and is pressed into the positioning needle 15 at the same time, when the pressing raw material belt is reset, due to the action of the spring 18, the workpiece is jacked up and separated from the positioning needle 15, the continuous die is pulled by the material pulling machine for one station, continuous processing of the continuous die is guaranteed, and positioning can be accurately carried out at the next station.
The die comprises a lower die core plate 6 and is characterized in that a first punching female die 10 and a second punching female die 11 are respectively arranged at two ends of the lower die core plate 6, a corresponding first punching male die and a corresponding second punching male die 2812 are arranged on the upper die core plate, the first punching female die 10 corresponds to the first punching male die up and down, the first punching female die 10 comprises an L-shaped panel, a die hole is formed in the L-shaped panel, an edge removing groove is formed in the edge of the L-shaped panel, the die hole can be punched into a shape like a in the figure 9, the end parts of parts can be punched out of two adjacent die holes, and the waste at the b position can be cut off by the edge removing groove.
When the end part is punched out, the end part enters a twisting mechanism 13, and the twisting mechanism 13 can effectively twist the end part by 90 degrees, specifically: as shown in fig. 4 and 5, the torsion mechanism 13 of the lower mold core plate 6 includes guide components disposed at two sides of the traveling channel, the guide components include a bottom block 20, a stopper 21 is disposed at one side of the bottom block 20 facing the traveling channel, an opening 22 is disposed on the stopper 21, a top pillar 23 is disposed at a lower portion of the bottom block 20, the top pillar 23 penetrates through the bottom plate and is connected to the first top block 16 component, the guide components are embedded in the lower mold core plate 6, and the guide components are disposed with the first top block 16 component; a second ejector block 16 component is arranged on the upper template 3, and the first ejector block 16 component and the second ejector block 16 component are attached to the side surface when the die is closed; the first ejector block 16 assembly and the second ejector block 16 assembly comprise L-shaped push blocks 25, the vertical portions of the push blocks 25 are provided with torsion blocks 26, during die assembly, the side faces of the torsion blocks 26 of the first ejector block 16 assembly and the second ejector block 16 assembly are attached to each other, when one end of a workpiece moves to a torsion station, one end of the workpiece is pressed downwards in a pressing mode, and the torsion blocks 26 of the two ejector block 16 assemblies of the upper die and the lower die are pressed on the end portions of the workpiece in a protruding and pressing mode respectively, so that the rotating face still keeps a plane, the stress is uniform, deformation caused by stress is avoided, and the yield is improved.
Preferably, a square groove is formed in the lower portion of the push block 25, a wedge block 24 is arranged on the bottom block 20, the square groove is clamped on the oblique edge of the wedge block 24, the push block 25 is convenient to mount in the form of the wedge block 24, a positioning pin 15 is also arranged on the stop block 21, namely, a raw material belt is arranged on the stop block 21, during stamping, a torsion block 26 on the upper mold core plate can be pressed on the L-shaped push block 25 of the lower mold core plate 6, a push column 23 is arranged on the lower portion of the L-shaped push block 25 and used as a guide, and when the push block is pressed downwards, the baffle and the bottom plate are slightly spaced downwards along the push column 23 so as to buffer the downward force of the torsion block 26 on the upper portion.
After once twisting, in order to ensure that the twisted angle is more accurate to a vertical state, the twisting mechanism 13 and the shaping mechanism 14 are arranged between the second punching die 11, the shaping mechanism 14 comprises two shaping blocks 27 positioned on the lower die plate 5, a distance is arranged between the shaping blocks 27, an arc part is arranged on the upper part of each shaping block 27, the twisted end part is vertically inserted between the two shaping blocks 27, the downward pressing process corrects the angle with a certain inclination, and the stability of the quality is improved.
The second punching female die 11 comprises two bottom plates, elongated holes are formed in the bottom plates, finally, products are punched out through punching, two stations are arranged on two sides of a walking channel, and continuous punching on two sides can be achieved.
Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A90-degree torsion progressive die comprises an upper fixing plate and a lower fixing plate, wherein the lower part of the upper fixing plate is connected with an upper die plate, a plurality of die pins are arranged on the lower fixing plate, a lower die plate is arranged on each die pin, a lower die core plate is arranged on the lower die plate, and an upper die core plate is arranged on the upper die plate;
a first punching female die and a second punching female die are respectively arranged at two ends of the lower die core plate, a corresponding first punching male die and a corresponding second punching male die are arranged on the upper die core plate, torsion mechanisms are respectively arranged on the upper die core plate and the lower die core plate, and a shaping mechanism is arranged between the torsion mechanisms and the second punching female die;
the torsion mechanism of the lower die core plate comprises guide components arranged on two sides of the walking channel, the guide components are embedded in the lower die core plate, and a first ejector block component is arranged on each guide component;
the torsion mechanism of the upper template comprises a second ejector block assembly, and the side surfaces of the first ejector block assembly and the second ejector block assembly are attached to each other when the first ejector block assembly and the second ejector block assembly are assembled.
2. The 90 ° twist progressive die according to claim 1, wherein a plurality of positioning pins are arranged at equal intervals on both sides of the traveling channel, and the ends of the positioning pins are fixed on the lower die plate and extend to the upper part of the lower die core plate.
3. The 90 ° twist progressive die according to claim 1, wherein the elastic jacking mechanism comprises a top block fixedly embedded on the lower die core plate, a top rod is inserted into the top block, a spring is sleeved on the lower portion of the top rod and fixed in the lower die plate, a notch is formed in the end portion of the top rod, and the notch and the top block are clamped.
4. A 90 ° twist modulus of continuity according to claim 1 or 2, characterized in that the walking channel is provided with stop blocks arranged on both sides.
5. A 90 ° twist progressive die according to claim 1 wherein the guide assembly comprises a bottom block, a stopper is provided on a side of the bottom block facing the travel path, the stopper is provided with an opening, and a top post is provided on a lower portion of the bottom block, the top post penetrating the bottom plate and being connected to the first top block assembly.
6. The 90 ° twist progressive die of claim 5, wherein the first and second ejector block assemblies comprise L-shaped pushers, and wherein the vertical portions of the pushers are provided with twist blocks, and wherein the side surfaces of the twist blocks of the first and second ejector block assemblies abut when the dies are closed.
7. A90 ° twist progressive die according to claim 6, wherein a square groove is provided at a lower portion of the push block, a wedge block is provided on the bottom block, and the square groove is engaged with an inclined edge of the wedge block.
8. A 90 ° twist progressive die according to claim 1 wherein the reshaping means comprises two reshaping blocks on the lower die plate, wherein a space is provided between the reshaping blocks, and the upper part of the reshaping blocks is provided with a circular arc.
9. A 90 ° twist progressive die according to claim 1, wherein the first punch and die comprises an L-shaped face plate, wherein the L-shaped face plate is provided with a hole, and the edge of the L-shaped face plate is provided with a trimming groove.
10. A 90 ° twist progressive die according to claim 1, wherein the second punch die comprises two base plates with elongated holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053393.8A CN111250601A (en) | 2020-01-17 | 2020-01-17 | 90-degree torsion progressive die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053393.8A CN111250601A (en) | 2020-01-17 | 2020-01-17 | 90-degree torsion progressive die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111250601A true CN111250601A (en) | 2020-06-09 |
Family
ID=70943947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010053393.8A Pending CN111250601A (en) | 2020-01-17 | 2020-01-17 | 90-degree torsion progressive die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111250601A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1149642A1 (en) * | 2000-04-28 | 2001-10-31 | Emt 25 | Process for twisting a metallic piece, twisting apparatus and progressive die for such a device |
| JP2008055453A (en) * | 2006-08-30 | 2008-03-13 | Asahi-Seiki Mfg Co Ltd | Method of manufacturing product of strip material and strip material working machine |
| CN203044682U (en) * | 2013-01-24 | 2013-07-10 | 无锡威唐金属科技有限公司 | Torsional die |
| CN103480737A (en) * | 2013-09-24 | 2014-01-01 | 浙江恒瑞金属科技有限公司 | Twisting mold of fat steel and flat steel twisting method |
| CN206104684U (en) * | 2016-08-31 | 2017-04-19 | 无锡明豪汽车零部件有限公司 | Twist reverse stamping die |
| CN107983847A (en) * | 2017-11-29 | 2018-05-04 | 无锡明豪汽车零部件有限公司 | A kind of mould rotates reshaping device |
| CN209647308U (en) * | 2018-10-23 | 2019-11-19 | 东莞市鼎通精密五金股份有限公司 | Automatic torsion structure in a kind of mould |
-
2020
- 2020-01-17 CN CN202010053393.8A patent/CN111250601A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1149642A1 (en) * | 2000-04-28 | 2001-10-31 | Emt 25 | Process for twisting a metallic piece, twisting apparatus and progressive die for such a device |
| JP2008055453A (en) * | 2006-08-30 | 2008-03-13 | Asahi-Seiki Mfg Co Ltd | Method of manufacturing product of strip material and strip material working machine |
| CN203044682U (en) * | 2013-01-24 | 2013-07-10 | 无锡威唐金属科技有限公司 | Torsional die |
| CN103480737A (en) * | 2013-09-24 | 2014-01-01 | 浙江恒瑞金属科技有限公司 | Twisting mold of fat steel and flat steel twisting method |
| CN206104684U (en) * | 2016-08-31 | 2017-04-19 | 无锡明豪汽车零部件有限公司 | Twist reverse stamping die |
| CN107983847A (en) * | 2017-11-29 | 2018-05-04 | 无锡明豪汽车零部件有限公司 | A kind of mould rotates reshaping device |
| CN209647308U (en) * | 2018-10-23 | 2019-11-19 | 东莞市鼎通精密五金股份有限公司 | Automatic torsion structure in a kind of mould |
Non-Patent Citations (3)
| Title |
|---|
| 夏世新: "一种典型端子冲压模具扭转成形设计 ", 《机电工程技术》 * |
| 杨良文: "端子片多工位级进模设计制造 ", 《模具工业》 * |
| 赵超群: "条料90°扭转模 ", 《机械工人.热加工》 * |
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Application publication date: 20200609 |
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