CN105013931A - Punching device and method for guaranteeing quality of small scrap punching parts - Google Patents
Punching device and method for guaranteeing quality of small scrap punching parts Download PDFInfo
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- CN105013931A CN105013931A CN201510444546.0A CN201510444546A CN105013931A CN 105013931 A CN105013931 A CN 105013931A CN 201510444546 A CN201510444546 A CN 201510444546A CN 105013931 A CN105013931 A CN 105013931A
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- plate
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Abstract
The invention relates to a punching device and method for guaranteeing the quality of small scrap punching parts. The punching device comprises a waste washing-down punch, a punch and the like. A concave punching die plate is installed on a lower die, and a convex die fixing plate is installed on an upper die. A pressing plate is installed between the concave punching die plate and the convex die fixing plate. A pressing spring is installed between the pressing plate and the convex die fixing plate. A plate is placed on the concave punching die plate, the pressing plate can press the plate, and the punch and the waste washing-down punch can penetrate through the convex die fixing plate and the pressing plate to act on the plate. A waste counter jack is further installed at the position, correspondingly below the piercing punch, of the lower portion of the concave punching die plate. A waste counter jacking spring is installed at the bottom of the waste counter jack, and the waste counter jack can support the plate under the action of the waste counter jacking spring. Punching waste is not discharged when a hole is punched in the plate, in this way, the problem that the hole pitch varies or the required product quality can not be met due to the insufficient cutting-building side value is avoided when a hole next to the finished hole is punched at the next station.
Description
Technical field
The present invention is a kind of blanking apparatus and method of guaranteeing little scrap (bridge) blanking part quality, belongs to and guarantees the little blanking apparatus of scrap (bridge) blanking part quality and the innovative technology of method.
Background technology
Stamping parts is that depended on pressure machine and mould apply external force to sheet material, band, tubing and section bar etc., makes it to produce plastic deformation or separation, thus obtains the forming and machining method of the workpiece (stamping parts) of required form and size.The blank of punching press is hot rolling and cold rolling steel plate and steel band mainly.In global steel, have 60 ~ 70% to be sheet material, wherein major part is through punching press and makes finished product.As the vehicle body of automobile, chassis, fuel tank, radiator fin, the iron core silicon-steel sheet etc. of the drum of boiler, the housing of container, motor, electrical equipment is all punch process.In the products such as instrument and meter, household electrical appliance, bicycle, office machinery, household utensil, also there is a large amount of stamping parts.
Stamping parts, compared with foundry goods, forging, has thin, even, light, strong feature.Punching press can make the workpiece with reinforcement, rib, fluctuating or flange that additive method is difficult to manufacture, to improve its rigidity.Cold-stamped part is general no longer through machining, or only needs a small amount of machining.So, the advantages such as punching press is efficient production method, has production efficiency high, and working condition is good, and production cost is low.
Improving constantly in recent years along with manufacturing technology level, to the precision of product and quality requirement also more and more higher.So how to play the high efficiency advantage of punch process, and raising pressed part quality and precision are the targets that the engineers and technicians being engaged in stamping technology research pursue forever further.
Summary of the invention
The object of the invention is to consider the problems referred to above and provide a kind of structure simple, the convenient and practical blanking apparatus guaranteeing little scrap (bridge) blanking part quality.
Another object of the present invention is to provide a kind of blanking method guaranteeing little scrap (bridge) blanking part quality.The present invention is meeting under punching production condition, ensures quality and the precision of product.
Technical scheme of the present invention is: the blanking apparatus guaranteeing little scrap (bridge) blanking part quality of the present invention, include punching to fall waste material drift, pierce punch, the anti-apical organ of waste material, waste material is counter pushes up spring, punching concave die plate, holding pad, binder spring, punch retainer, wherein punching concave die plate is installed on counterdie, punch retainer is installed on patrix, holding pad is equiped with between punching concave die plate and punch retainer, binder spring is equiped with between holding pad and punch retainer, plate is placed on punching concave die plate, holding pad can be pressed on plate, pierce punch and the punching waste material drift that falls can pass punch retainer and holding pad and act on plate, the bottom of punching concave die plate, at the anti-apical organ of waste material that the lower position of corresponding pierce punch is also equiped with, the bottom of the anti-apical organ of waste material is equiped with that waste material is counter pushes up spring, the anti-apical organ of waste material waste material is counter push up the effect of spring under can hold plate.
The present invention guarantees the blanking method of the blanking apparatus of little scrap (bridge) blanking part quality, comprises the steps:
1) plate is sent in punching concave die plate, have good positioning, prepare punching;
2) patrix is descending, and holding pad first compresses plate, and the anti-apical organ of waste material now also withstands plate;
3) under holding pad and the anti-apical organ of waste material all compress the condition of plate, patrix continues descending, and pierce punch overcomes the anti-elastic force of pushing up spring of waste material, implements first punching to plate;
4) after pierce punch completes punching, along with the backhaul of patrix, the anti-apical organ of waste material pushes up the original position of the punched scrap top be thrust being got back under the effect of spring plate waste material is counter;
5) holding pad is with patrix backhaul, and punched scrap is backfilling on plate, and is fed to next station, and now, the next punching position of plate is placed on an idle station, continues to implement second punching to plate in this position;
6), when next station delivered to again forward by plate, the punching waste material drift that falls is implemented to carry out punching to the punched scrap thrust be backfilling on plate in first punching and fall;
7) repeat abovementioned steps, realize the continuous stamping of little edge-lapped value blanking part.
The present invention is when plate has rushed a hole, punched scrap is not excluded, but sent back to foramen primum position, and deliver to Next station together along with plate, because the punched scrap of punching above is not also excluded, this ensures that there when the hole of next station punching adjacent position, there will not be because edge-lapped value is not enough to the quality problems that the distortion of pore spacing maybe can not reach product requirement.The present invention make waste material reset, guarantee the blanking apparatus of little scrap (bridge) blanking part quality and method convenient and practical.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the spacing of circular hole and circular hole in stamping products does not have enough edge-lapped values.
Fig. 2 is the schematic diagram that the spacing of square hole and square hole in stamping products does not have enough edge-lapped values.
Fig. 3 is the structural representation of blanking apparatus of the present invention.
Detailed description of the invention
Embodiment:
Existing a lot of stamping products, due to the needs of structure, a of being separated by between adjacent holes and hole
1very little, as shown in Figure 1, 2, the distance between hole and plate end is the spacing a of a, Kong Yukong
1, as: a
1during < 0.6t, wherein t is sheet thickness, and from the angle of Sheet Metal Forming Technology, the spacing of this Kong Yukong does not have enough edge-lapped values, represents that the manufacturability of its punching press is bad.In order to ensure to meet punching process character, often need to change product structure, this certainly will have influence on the original intention of product designer, or affects the mold use life-span etc.
Structural representation of the present invention as shown in Figure 3, it is a kind of blanking apparatus guaranteeing little scrap (bridge) blanking part quality, include punching to fall waste material drift 1, punched scrap 2, pierce punch 3, the anti-apical organ 4 of waste material, waste material is counter pushes up spring 5, punching concave die plate 6, plate 7, holding pad 8, binder spring 9, punch retainer 10, wherein punching concave die plate 6 is installed on counterdie, punch retainer 10 is installed on patrix, holding pad 8 is equiped with between punching concave die plate 6 and punch retainer 10, binder spring 9 is equiped with between holding pad 8 and punch retainer 10, plate 7 is placed on punching concave die plate 6, holding pad 8 can be pressed on plate 7, fall waste material drift 1 of pierce punch 3 and punching acts on plate 7 through punch retainer 10 and holding pad 8, the bottom of punching concave die plate 6, at the anti-apical organ 4 of waste material that the lower position of corresponding pierce punch 3 is also equiped with, the bottom of the anti-apical organ of waste material 4 is equiped with that waste material is counter pushes up spring 5, the anti-apical organ of waste material 4 waste material is counter push up the effect of spring 5 under hold plate 7 all the time.
In the present embodiment, the anti-apical organ 4 of above-mentioned waste material is installed in installing hole set bottom punching concave die plate 6.
In the present embodiment, the anti-apical organ 4 of above-mentioned waste material is knock-pins.
The present invention guarantees the blanking method of the blanking apparatus of little scrap (bridge) blanking part quality, comprises the steps:
1) plate 7 is sent in punching concave die plate 6, have good positioning, prepare punching;
2) patrix is descending, and holding pad 8 first compresses plate 7, and the anti-apical organ 4 of waste material now also withstands plate 7;
3) under holding pad 8 and the anti-apical organ 4 of waste material all compress the condition of plate 7, patrix continues descending, and pierce punch 3 overcomes the anti-elastic force of pushing up spring 5 of waste material, implements first punching to plate 7;
4) after pierce punch 3 completes punching, along with the backhaul of patrix, the anti-apical organ of waste material 4 pushes up the original position of the punched scrap 2 be thrust top being got back under the effect of spring 5 plate 7 waste material is counter;
5) holding pad 8 is with patrix backhaul, and punched scrap 2 is backfilling on plate 7, and is fed to next station, and now, the next punching position of plate 7 is placed on an idle station, continues to implement second punching to plate 7 in this position;
6), when next station delivered to again forward by plate 7, the punching waste material drift 1 that falls is implemented to carry out punching to the punched scrap 2 thrust first punching is backfilling on plate 7 and is fallen; Now, owing to not needing to carry out stamping-out separation, required is little, also can not have influence on the scrap (bridge) distortion between part.
7) abovementioned steps 2 is repeated)-step 6), realize the continuous stamping of little edge-lapped value blanking part.
Operation principle of the present invention is as follows: before work starts, patrix is opened, treating that the plate 7 of punching is placed on is installed on the punching concave die plate 6 of counterdie, reserve position, be installed in the anti-apical organ of waste material 4 in punching concave die plate 6 waste material is counter push up the effect of spring 5 under hold plate 7 all the time, ensure that punched scrap 2 completes to shear under impaction state to be separated, and after punched scrap 2 shearing separation, when pierce punch 3 is up, the punched scrap 2 be just thrust is back to the position of original plate 7 by top, along with plate 7 deliver to next station time, punched scrap 2 still occupies in the original position of plate 7, so, when below plate 7 is sent to during station punching, adjacent holes position is also occupied by the punched scrap 2 thrust, punched scrap 2 is needed to be retained on plate 7 when protecting next punching technology, guarantee that plate 7 can not because being separated by very little and losing intensity and be pulled off between adjacent holes and hole, or stretcher strain and affect the quality of product, or be drawn into mould, the mass defects such as mold damage.
Claims (4)
1. guarantee the blanking apparatus of little scrap (bridge) blanking part quality for one kind, it is characterized in that including punching to fall waste material drift, pierce punch, the anti-apical organ of waste material, waste material is counter pushes up spring, punching concave die plate, holding pad, binder spring, punch retainer, wherein punching concave die plate is installed on counterdie, punch retainer is installed on patrix, holding pad is equiped with between punching concave die plate and punch retainer, binder spring is equiped with between holding pad and punch retainer, plate is placed on punching concave die plate, holding pad can be pressed on plate, pierce punch and the punching waste material drift that falls can pass punch retainer and holding pad and act on plate, the bottom of punching concave die plate, at the anti-apical organ of waste material that the lower position of corresponding pierce punch is also equiped with, the bottom of the anti-apical organ of waste material is equiped with that waste material is counter pushes up spring, the anti-apical organ of waste material waste material is counter push up the effect of spring under can hold plate.
2. the blanking apparatus guaranteeing little scrap (bridge) blanking part quality according to claim 1, is characterized in that the anti-apical organ of above-mentioned waste material is installed in installing hole set bottom punching concave die plate.
3. the blanking apparatus guaranteeing little scrap (bridge) blanking part quality according to claim 1, is characterized in that the anti-apical organ of above-mentioned waste material is knock-pin.
4. guarantee a blanking method for the blanking apparatus of little scrap (bridge) blanking part quality, it is characterized in that comprising the steps:
1) plate is sent in punching concave die plate, have good positioning, prepare punching;
2) patrix is descending, and holding pad first compresses plate, and the anti-apical organ of waste material now also withstands plate;
3) under holding pad and the anti-apical organ of waste material all compress the condition of plate, patrix continues descending, and pierce punch overcomes the anti-elastic force of pushing up spring of waste material, implements first punching to plate;
4) after pierce punch completes punching, along with the backhaul of patrix, the anti-apical organ of waste material pushes up the original position of the punched scrap top be thrust being got back under the effect of spring plate waste material is counter;
5) holding pad is with patrix backhaul, and punched scrap is backfilling on plate, and is fed to next station, and now, the next punching position of plate is placed on an idle station, continues to implement second punching to plate in this position;
6), when next station delivered to again forward by plate, the punching waste material drift that falls is implemented to carry out punching to the punched scrap thrust be backfilling on plate in first punching and fall;
7) repeat abovementioned steps, realize the continuous stamping of little edge-lapped value blanking part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510444546.0A CN105013931B (en) | 2015-07-27 | 2015-07-27 | A kind of blanking apparatus and method for ensuring small scrap (bridge) blanking part quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510444546.0A CN105013931B (en) | 2015-07-27 | 2015-07-27 | A kind of blanking apparatus and method for ensuring small scrap (bridge) blanking part quality |
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| CN105013931A true CN105013931A (en) | 2015-11-04 |
| CN105013931B CN105013931B (en) | 2017-05-31 |
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| CN201510444546.0A Expired - Fee Related CN105013931B (en) | 2015-07-27 | 2015-07-27 | A kind of blanking apparatus and method for ensuring small scrap (bridge) blanking part quality |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552981A (en) * | 2017-10-09 | 2018-01-09 | 江苏大学 | A kind of method and apparatus of micro- part continuous stamping of electromagnet auxiliary |
| CN108188265A (en) * | 2017-12-31 | 2018-06-22 | 合肥久享机械有限责任公司 | A kind of punch process platform of mounting bracket feature structure |
| CN109047457A (en) * | 2018-09-07 | 2018-12-21 | 中科动力（福建）新能源汽车有限公司 | A kind of stamping device of the band without scrap (bridge) blanking and punching mold |
| CN109226461A (en) * | 2018-09-25 | 2019-01-18 | 靖江三鹏模具科技股份有限公司 | A kind of quality loop short distance punching die and hole-punching method |
| CN111085585A (en) * | 2019-11-29 | 2020-05-01 | 安徽高德铝业有限公司 | Stamping device is used in aluminum product processing |
| CN113042612A (en) * | 2021-04-30 | 2021-06-29 | 无锡诺飞高新技术有限公司 | High two planeness optimization die structure |
| CN114226541A (en) * | 2021-12-17 | 2022-03-25 | 重庆市澜林教学设备有限公司 | Blanking and forming process for latch part |
| CN114309238A (en) * | 2021-12-29 | 2022-04-12 | 安徽瑞荣汽车零部件有限公司 | Production process method for improving bright surface of steel back |
| CN116603902A (en) * | 2023-05-22 | 2023-08-18 | 嘉兴和新精冲科技有限公司 | Two-stage punching punch method for continuous die small-sized product square hole punch |
| CN116833299A (en) * | 2023-05-11 | 2023-10-03 | 温州意华接插件股份有限公司 | Slender terminal blanking process, blanking mechanism and slender terminal blanking die |
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| JP2000246365A (en) * | 1999-03-01 | 2000-09-12 | Nissan Motor Co Ltd | Sequential transfer/punch processing method and device thereof |
| JP2001105047A (en) * | 1999-09-30 | 2001-04-17 | Marunaka:Kk | Press mechanism |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552981A (en) * | 2017-10-09 | 2018-01-09 | 江苏大学 | A kind of method and apparatus of micro- part continuous stamping of electromagnet auxiliary |
| CN107552981B (en) * | 2017-10-09 | 2019-06-28 | 江苏大学 | A kind of method and apparatus of micro- part continuous stamping of electromagnet auxiliary |
| CN108188265A (en) * | 2017-12-31 | 2018-06-22 | 合肥久享机械有限责任公司 | A kind of punch process platform of mounting bracket feature structure |
| CN109047457A (en) * | 2018-09-07 | 2018-12-21 | 中科动力（福建）新能源汽车有限公司 | A kind of stamping device of the band without scrap (bridge) blanking and punching mold |
| CN109047457B (en) * | 2018-09-07 | 2023-11-14 | 中科动力（福建）新能源汽车有限公司 | Stamping device with scrap-free blanking and punching die |
| CN109226461A (en) * | 2018-09-25 | 2019-01-18 | 靖江三鹏模具科技股份有限公司 | A kind of quality loop short distance punching die and hole-punching method |
| CN111085585A (en) * | 2019-11-29 | 2020-05-01 | 安徽高德铝业有限公司 | Stamping device is used in aluminum product processing |
| CN113042612A (en) * | 2021-04-30 | 2021-06-29 | 无锡诺飞高新技术有限公司 | High two planeness optimization die structure |
| CN114226541A (en) * | 2021-12-17 | 2022-03-25 | 重庆市澜林教学设备有限公司 | Blanking and forming process for latch part |
| CN114309238A (en) * | 2021-12-29 | 2022-04-12 | 安徽瑞荣汽车零部件有限公司 | Production process method for improving bright surface of steel back |
| CN116833299A (en) * | 2023-05-11 | 2023-10-03 | 温州意华接插件股份有限公司 | Slender terminal blanking process, blanking mechanism and slender terminal blanking die |
| CN116603902A (en) * | 2023-05-22 | 2023-08-18 | 嘉兴和新精冲科技有限公司 | Two-stage punching punch method for continuous die small-sized product square hole punch |
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