CN202910189U - Progressive mold for iron-shell drawing - Google Patents
Progressive mold for iron-shell drawing Download PDFInfo
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- CN202910189U CN202910189U CN 201220620712 CN201220620712U CN202910189U CN 202910189 U CN202910189 U CN 202910189U CN 201220620712 CN201220620712 CN 201220620712 CN 201220620712 U CN201220620712 U CN 201220620712U CN 202910189 U CN202910189 U CN 202910189U
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- blanking
- mold
- stretch
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Abstract
The utility model provides a progressive mold for an iron-shell drawing and relates to a progressive mold, in particular to the progressive mold for the iron-shell drawing. The progressive for the iron-shell drawing comprises an upper mold base, a protruding mold fixing plate, a lower mold base and a concave mold fixing plate. The protruding mold fixing plate is fixed at the lower end of the upper mold base and the concave mold fixing plate is fixed at the upper end of the lower mold base. The protruding mold fixing plate is provided with a protruding mold and the concave mold fixing plate is provided with a concave mold. A material belt conveys materials on the concave mold along the feeding direction. The progressive mold for the iron-shell drawing is characterized in that the protruding mold is provided with a first blanking protruding mold and a second blanking protruding mold at a feeding end along the feeding direction. The concave mold is provided with a first blanking concave mold and a second concave mold at the feeding end along the feeding direction, wherein the first blanking concave mold corresponds to the first protruding blanking mold and the second blanking concave mold corresponds to the second protruding blanking mold. The progressive for the iron-shell drawing can be used for drawing and processing products so as to reduce waste. Using ratio of the material belt can be increased and production cost can be reduced.
Description
Technical field
The utility model relates to a kind of progressive die, relates in particular to a kind of iron-clad pull and stretch progressive die.
Background technology
In five metals, household electrical appliances and manufactured goods were produced, as the sheet metal deep drawing processing of one of leading technique, energy-saving and cost-reducing had huge potentiality and have to be excavated.Wherein, save raw material very large space and potentiality are just arranged.In the investigation of national electric switch, agricultural machinery, household electrical appliances and instrument industry, pull and stretch plate material utilization rate is roughly between 62.5%～73.5% according in recent years.Along with day market competition very, raw-material price, and then energy prices climb up and up and sharp rise, save raw material and become urgent energy-saving and cost-reducing task in the pull and stretch processing, being the effective way that relevant enterprise reduces cost, increase benefit, also is the important means that strengthens product market competitiveness.In producing in batch and in a large number, if the stamping material utilization rate is improved 1%, the drawing part cost will descend 0.4～0.5 percentage point.In known commercial press's thing, be that single station Drawing Die, compound die drawing part stock layout give detailed introduction, but never set foot in for the stock layout of multistage tools drawing part to the drawing part blanking all.Existing manufacturer adopts piece material scrap (bridge) to carry out the conventional stock layout mode of how waste material stamping-out, and its utilization rate is low, and cost is high!
Referring to Fig. 3, use the progressive die pull and stretch of prior art, the strip after the processing to set type 91, first strip is punched out four road circular arc openings, stamping-out goes out the workpiece plate again, and then the workpiece plate is carried out the following process such as pull and stretch, punching process.This Seed packaged band sets type 91, around the workpiece plate, leave piece material scrap (bridge), and need to reserve enough wide scrap (bridge) as muscle material scrap (bridge) between adjacent two workpiece plates, this effective reinforcement material scrap (bridge) also needs the both sides of workpiece plate to reserve enough scrap (bridge)s to be attached thereto, make the workpiece plate when the processing such as pull and stretch, punching are processed, keep stress balance, guarantee carrying out smoothly of feeding.Such strip is set type, and 91 step pitches are long, waste material is many, cause stock utilization low, and production cost is high, in market competition without advantage.
The utility model content
The technical problems to be solved in the utility model provides a kind of iron-clad pull and stretch progressive die for prior art, uses this progressive die pull and stretch, converted products can reduce waste material, increases the strip utilization rate, reduces production costs.
In order to realize above-mentioned technical problem, the utility model adopts following technical scheme:
A kind of iron-clad pull and stretch progressive die comprises upper bolster, punch retainer, die shoe, die block; Described punch retainer is fixed on the upper bolster lower end, and die block is fixed on the die shoe upper end; Described punch retainer is provided with punch, and die block is provided with die; Strip on die along the feedstock direction feeding; It is characterized in that: described punch is provided with the first blanking punch and the second blanking punch at feed end along feedstock direction, and described die is provided with first blanking die corresponding with the first blanking punch and second blanking die corresponding with the second blanking punch at feed end along feedstock direction; Described the first blanking punch forms two the first relative cutting edges with the first blanking die, described the first cutting edge lays respectively on the both sides of strip width, the second blanking punch and the second blanking die form second cutting edge, and described the second cutting edge is positioned on the feedstock direction; After the processing of strip through the first cutting edge and the second cutting edge, can form symmetrical " U " shape muscle material scrap (bridge) and be connected two workpiece plates that muscle material scrap (bridge) connects at the strip width, and face mutually between two workpiece plates and connect.
Preferably, punch also comprises pull and stretch punch, shaping terrace die, pre-punched hole punch, piercing punch, pressure bottom outlet burr punch and the finished product blanking punch that connects successively behind the second blanking punch; Punch also comprises pull and stretch punch, shaping terrace die, pre-punched hole punch, piercing punch, pressure bottom outlet burr punch and the finished product blanking punch that connects successively behind the second blanking punch; Described die behind the second blanking die, also comprise successively the pull and stretch die corresponding with the pull and stretch punch that connect, with the corresponding correcting die of shaping terrace die, with the corresponding pre-punched hole die of pre-punched hole punch, with the corresponding punching concave die of piercing punch, with pressing bottom outlet burr punch corresponding pressure bottom outlet burr die and the finished product blanking die corresponding with finished product blanking punch.
The beneficial effects of the utility model: the punch of a kind of iron-clad pull and stretch of the utility model progressive die is provided with the first blanking punch and the second blanking punch at feed end along feedstock direction; Die is provided with first blanking die corresponding with the first blanking punch and second blanking die corresponding with the second blanking punch at feed end along feedstock direction.The first blanking punch and the first blanking die form the first cutting edge; The second blanking punch and the second blanking die form the second cutting edge.After the processing of strip through the first cutting edge and the second cutting edge, can form symmetrical " U " shape muscle material scrap (bridge) and be connected two workpiece plates that muscle material scrap (bridge) connects at the strip width, and face mutually between two workpiece plates and connect.Utilize the piece material scrap (bridge) of both sides on the strip width to be die-cut into muscle material scrap (bridge), can shorten to greatest extent two distances between the workpiece plate, can produce more products at same long strip, be improved the strip utilization rate; And muscle material scrap (bridge) is directly to be connected on former and later two workpiece plates, and the both sides of strip need not to reserve unnecessary scrap (bridge) dowel material scrap (bridge), namely can use the less strip of width to produce the product of same specification, effectively save material.
Description of drawings
Fig. 1 is the overall structure schematic diagram of a kind of iron-clad pull and stretch of the utility model progressive die;
Fig. 2 is the lower bolster top view of a kind of magnet frame of a kind of iron-clad pull and stretch of the utility model progressive die pull and stretch;
Fig. 3 is that the progressive die pull and stretch that uses prior art, the strip after the processing are set type;
Fig. 4 is that the strip after a kind of iron-clad pull and stretch of use the utility model progressive die pull and stretch, the processing is set type.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment, need to prove, and below only be detailed description to the utility model preferred embodiment, do not consist of any restriction of the present utility model.
Referring to Fig. 1, a kind of iron-clad pull and stretch progressive die of the utility model one specific embodiment, concrete, be the pull and stretch progressive die of pull and stretch magnet frame, comprise die shank 1, upper bolster 2, punch retainer 3, upper padding plate 4, stripper 5, die block 6, lower bolster 7 and die shoe 8.Punch retainer 3 is installed in the lower end of upper bolster 2, and upper padding plate 4 and stripper 5 are installed together, and upper padding plate 4 is installed in stripper 5 lower ends, and stripper 5 is connected with punch retainer 3; Die shank 1 is installed on the upper bolster 2; Die block 6, lower bolster 7, die shoe 8 are installed together from top to bottom successively.
Be provided with punch at punch retainer 3, be provided with die at die block 6; Referring to Fig. 2, punch comprises the first blanking punch (not shown), the second blanking punch (not shown), pull and stretch punch (not shown), shaping terrace die (not shown), pre-punched hole punch (not shown), piercing punch (not shown), pressure bottom outlet burr punch (not shown) and the finished product blanking punch (not shown) that is arranged in order from feedstock direction; Die comprises first blanking die 61 corresponding with the first blanking punch that is arranged in order from feedstock direction, second blanking die 62 corresponding with the second blanking punch, the pull and stretch die 63 corresponding with the pull and stretch punch, the correcting die 64 corresponding with shaping terrace die, pre-punched hole die 65 corresponding with the pre-punched hole punch, the punching concave die 66 corresponding with piercing punch, the pressure bottom outlet burr die 67 corresponding with pressing bottom outlet burr punch and the finished product blanking die 68 corresponding with finished product blanking punch.
Material-saving strip after pull and stretch as shown in Figure 4, the processing sets type 92, is to utilize the strip that obtains after a kind of iron-clad pull and stretch of the utility model progressive die pull and stretch, the processing to set type; Set type 92 feature of this material-saving strip is to be connected by " U " shape muscle material scrap (bridge) of two symmetries between adjacent two workpiece plates, and faces mutually between two workpiece plates and connect.
Progressive die pull and stretch of the present utility model is adopted in above-mentioned material-saving strip composing 92, make after the processing, its process is: after strip is sent progressive die mould to, punch out the part arc by the first blanking punch and the first blanking die 61 both sides of formed the first cutting edge on the strip width, then strip is sent a step pitch to, punch out the outward flange of muscle material scrap (bridge) and the part arc of former and later two workpiece plates by the first blanking punch and the first blanking die 61 both sides of formed the first cutting edge on the strip width, and punched out the part arc of strip front end by the second blanking punch and the second blanking die 62 formed the second cutting edges, strip advances a step pitch again, punch out the inward flange of muscle material scrap (bridge) and the part arc of former and later two workpiece plates in the relevant position by the second blanking punch and the second blanking die 62 formed the second cutting edges, process the die-cut formation of piece material scrap (bridge) " U " shape muscle material scrap (bridge) through two step blankings.Then strip is sent a step pitch again to, and by pull and stretch punch and pull and stretch die 63 pull and stretch workpiece plates, after deep-drawing technique was finished, strip was sent a step pitch again to, carried out Shape correction by the workpiece behind shaping terrace die and 64 pairs of pull and stretch of correcting die; After shaping process was finished, strip was sent a step pitch again to, carried out pre-punched hole by the workpiece after pre-punched hole punch and 65 pairs of shapings of pre-punched hole die and processed; After pre-punched hole technique was finished, strip was sent a step pitch again to, punched out hole on the workpiece by piercing punch and punching concave die 66; After punching technology was finished, strip was sent a step pitch again to, forced down hole bur by the workpiece after pressing bottom outlet burr punch and pressing 67 pairs of punchings of bottom outlet burr die and processed; After forcing down hole bur technique and finishing, strip is sent a step pitch again to, and by finished product blanking punch and 68 blankings of finished product blanking die, the workpiece of completion of processing skids off through stripper 5, leaves progressive die mould.Preferably, workpiece reverse-drawing blanking, get from mould without source of the gas and aid the die-cut rear direct whereabouts of workpiece blanking.
Material-saving strip after a kind of iron-clad pull and stretch of use the utility model progressive die pull and stretch, the processing sets type 92, utilize the first cutting edge and the second cutting edge to punch out two and face mutually the workpiece plate that connects, and face mutually " U " shape muscle material scrap (bridge) that punches out symmetry between the workpiece plate that connects at two, two are faced the workpiece plate that connects and are connected by " U " shape muscle material scrap (bridge).Utilize the piece material scrap (bridge) of both sides on the strip width to be die-cut into muscle material scrap (bridge), can shorten to greatest extent two distances between the workpiece plate, can produce more products at same long strip, be improved the strip utilization rate; And muscle material scrap (bridge) is directly to be connected on former and later two workpiece plates, and the both sides of strip need not to reserve unnecessary scrap (bridge) dowel material scrap (bridge), namely can use the less strip of width to produce the product of same specification, effectively save material.Muscle material scrap (bridge) is " U " shape muscle material scrap (bridge), has the increasing wider space, and when the pull and stretch workpiece, muscle material scrap (bridge) is out of shape thereupon, makes the workpiece stress balance, improves workpiece quality, the protection mould; When workpiece entered shaping, pre-punched hole, punching, pressure bottom outlet burr PROCESS FOR TREATMENT, because the outer workpiece size does not change, muscle material scrap (bridge) remained former state, guaranteed the accurate of step pitch.Use material-saving strip after a kind of iron-clad pull and stretch of the utility model progressive die pull and stretch, the processing 92 needed strip width of setting type less, and shorten greatly in the gap of staying between adjacent two workpiece, can reduce 10%-25% so that produce raw materials, reduce the production cost, competition occupies clear superiority in market.
The above describes in detail better embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; every various equivalences of doing in essential scope of the present utility model change or substitute, and all belong to the protection category of the utility model patent.
Claims (2)
1. an iron-clad pull and stretch progressive die comprises upper bolster, punch retainer, die shoe, die block; Described punch retainer is fixed on the upper bolster lower end, and die block is fixed on the die shoe upper end; Described punch retainer is provided with punch, and die block is provided with die; Strip on die along the feedstock direction feeding; It is characterized in that: described punch is provided with the first blanking punch and the second blanking punch at feed end along feedstock direction, and described die is provided with first blanking die corresponding with the first blanking punch and second blanking die corresponding with the second blanking punch at feed end along feedstock direction; Described the first blanking punch forms two the first relative cutting edges with the first blanking die, described the first cutting edge lays respectively on the both sides of strip width, the second blanking punch and the second blanking die form second cutting edge, and described the second cutting edge is positioned on the feedstock direction; After the processing of strip through the first cutting edge and the second cutting edge, can form symmetrical " U " shape muscle material scrap (bridge) and be connected two workpiece plates that muscle material scrap (bridge) connects at the strip width, and face mutually between two workpiece plates and connect.
2. a kind of iron-clad pull and stretch progressive die of 1 several is arranged according to right, it is characterized in that: described punch also comprises pull and stretch punch, shaping terrace die, pre-punched hole punch, piercing punch, pressure bottom outlet burr punch and the finished product blanking punch that connects successively behind the second blanking punch; Described die behind the second blanking die, also comprise successively the pull and stretch die corresponding with the pull and stretch punch that connect, with the corresponding correcting die of shaping terrace die, with the corresponding pre-punched hole die of pre-punched hole punch, with the corresponding punching concave die of piercing punch, with pressing bottom outlet burr punch corresponding pressure bottom outlet burr die and the finished product blanking die corresponding with finished product blanking punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220620712 CN202910189U (en) | 2012-11-22 | 2012-11-22 | Progressive mold for iron-shell drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220620712 CN202910189U (en) | 2012-11-22 | 2012-11-22 | Progressive mold for iron-shell drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202910189U true CN202910189U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220620712 Expired - Fee Related CN202910189U (en) | 2012-11-22 | 2012-11-22 | Progressive mold for iron-shell drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202910189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752695A (en) * | 2013-12-31 | 2014-04-30 | 柳州市金元机械制造有限公司 | Continuous die and device for manufacturing bowl-shaped part and manufacturing method thereof |
| CN103962452A (en) * | 2014-04-15 | 2014-08-06 | 柳州职业技术学院 | Suspension supporting base multi-station progressive die |
-
2012
- 2012-11-22 CN CN 201220620712 patent/CN202910189U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752695A (en) * | 2013-12-31 | 2014-04-30 | 柳州市金元机械制造有限公司 | Continuous die and device for manufacturing bowl-shaped part and manufacturing method thereof |
| CN103752695B (en) * | 2013-12-31 | 2016-07-06 | 柳州市金元机械制造有限公司 | A kind of bowl-shape part manufacture continuous mould, equipment and preparation method thereof |
| CN103962452A (en) * | 2014-04-15 | 2014-08-06 | 柳州职业技术学院 | Suspension supporting base multi-station progressive die |
| CN103962452B (en) * | 2014-04-15 | 2016-01-20 | 柳州职业技术学院 | Mount supports seat multi-station progressive die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20151122 |
|
| EXPY | Termination of patent right or utility model |