CN202779366U - Punching device of stamping die - Google Patents
Punching device of stamping die Download PDFInfo
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- CN202779366U CN202779366U CN 201220433942 CN201220433942U CN202779366U CN 202779366 U CN202779366 U CN 202779366U CN 201220433942 CN201220433942 CN 201220433942 CN 201220433942 U CN201220433942 U CN 201220433942U CN 202779366 U CN202779366 U CN 202779366U
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Abstract
The utility model provides a punching device of a stamping die, belonging to the technical field of an automobile. With the adoption of the punching device of the stamping die, the technical problems such as easy generation of waste punching tracks, unsmooth material discharge and high development cost occurring toexisting in the punching device of the existing stamping die are solved. One side of an upper material pressing body of the punching device of the stamping die is provided with an upper die cutter block component at least consisting of an upper die waste cutter block and a relief cutter block abutting against the upper die waste cutter block; and an elastic piece II enabling the relief cutter block to be always in a tendency of movement towards a direction approaching a lower die body is arranged between the relief cutter block and an upper die body. The punching device of the stamping die has the advantages of no waste punching tracks, compact structure, low development cost, smooth mater discharge and the like.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of blanking units of stamping die.
Background technology
For the automobile metal plate work Sheet Metal Forming Technology, obtain product border or the evolute operation that is absolutely necessary by deburring behind the drawing and forming.The mode of deburring can be divided into repeatedly two kinds of the deburrings of a deburring of single order and minute order.A deburring of single order is the integrally punching to product periphery technical face, no matter how many die-cut rear waste materials is of a size of, need arrange that all waste knife cuts off so that waste material sliding.Minute order repeatedly deburring is that waste material is divided into design size, by two-step or the multiple operation interval is die-cut finishes.Conventional single order deburring technique can produce the die-cut vestige of waste knife, this meets most products marginal check requirement, if but some product is strict to the border, do not allow to produce this type of vestige, and adopt minute order repeatedly deburring increased the mould development cost.
A kind of Trimming Die of the disclosed patent of Chinese patent literature [Granted publication number: CN201768800U] for example, provide a kind of monoblock type deburring secondary to cut the Trimming Die of discharging structure, comprise that mutual correspondence is located at the upper edge iron and the lower edge iron that is located under the die shoe on the upper bolster, scrap cutter on upper bolster is provided with is provided with lower scrap cutter with upper scrap cutter corresponding matching at die shoe; Link to each other with lower edge iron and to be connected to scrap material slideway, high-end and the lower edge iron of scrap material slideway is connected and is lower than the cutting edge of lower edge iron, along the cutting edge that is higher than lower scrap cutter, the low side front of scrap material slideway is provided with block on the low side of scrap material slideway, and block is fixedly connected on the die shoe; Up and down the setting party of scrap cutter to the setting party of edge iron up and down to being quadrature or oblique.This patent has adopted the method for order deburring in a kind of minute, and the mould development cost is high, and produces easily clogging when waste material slides to scrap cutter, affects carrying out smoothly of mould discharge.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing technology, and a kind of blanking units of stamping die is provided, and technical problem to be solved in the utility model is to avoid the die-cut vestige of plate generation waste knife in the deburring process.
The purpose of this utility model can realize by following technical proposal: a kind of blanking units of stamping die, stamping die comprise upper die body and lower mold body; Blanking units comprises material pressing body; Described upper material pressing body is positioned in the upper die body and is provided with between upper material pressing body and the upper die body material pressing body is had all the time to the elastic component one near lower mold body direction movement tendency;
One side of described upper material pressing body is provided with at least by a patrix waste knife piece and the patrix cutter block assembly that the cutter piece of stepping down that leans with patrix waste knife piece forms, and has the die-cut upper sword of deburring on the described patrix cutter block assembly;
The below of described upper material pressing body is provided with the lower die cutter piece, and described lower die cutter piece is fixedly connected with lower mold body, has the die-cut lower sword of deburring that is oppositely arranged with the die-cut upper sword of deburring on the described lower die cutter piece;
Described patrix waste knife piece is fixedly connected with upper die body, described step down to be provided with between cutter piece and the upper die body cutter piece of stepping down is had all the time near the elastic component two of lower mold body direction movement tendency; The bottom surface of described patrix waste knife piece and and the side that leans of the cutter piece of stepping down between have the die-cut upper sword of waste material that intersects with the die-cut upper sword of described deburring;
Described below of stepping down the cutter piece is provided with lower waste knife, and described lower waste knife is fixedly connected with lower mold body; Has the die-cut lower sword of waste material that is oppositely arranged with the die-cut upper sword of waste material on the described lower waste knife;
The die-cut lower sword of described waste material is positioned at the downside of the die-cut lower sword of deburring.
Original state take the die opening state of stamping die as stamping die, when stamping die begins a plate is carried out deburring when die-cut, in the stamping die of die opening state, plate is positioned on the lower die cutter piece and the punched position of plate is positioned on the die-cut lower sword of deburring, and upper material pressing body, patrix waste knife piece and the cutter piece of stepping down all are suspended from the plate top.Then upper die body is descending, and when upper material pressing body abutted to plate, upper material pressing body stopped descending, and elastic component shrinks at the beginning, and patrix waste knife piece and the cutter piece of stepping down continue descending and by the die-cut upper sword of deburring and the die-cut lower sword of deburring waste material scaled off from the plate upper punch.Patrix waste knife piece and the cutter piece of stepping down continue descending, the cutter piece lower waste knife of conflicting until step down, the cutter piece of stepping down this moment stops descending, and elastic component two begins to shrink, and patrix waste knife piece continues descending and by the die-cut upper sword of waste material and the die-cut lower sword of waste material waste material blocked.Last upper die body is up, makes stamping die get back to original state, and the one-step punching process has just been finished like this.This device first waste material is flushed die-cut get off block again, so can not produce the die-cut vestige of waste knife, can satisfy some product to the strict demand on border, and this apparatus structure is compact, development cost is lower, waste material cuts off the discharge that is conducive to waste material.
In the blanking units of above-mentioned stamping die, described elastic component one is stage clip.
In the blanking units of above-mentioned stamping die, described elastic component two is nitrogen spring.Nitrogen spring has that volume is little, and elastic force is large, and the life-span is long, the characteristics that elastic force pressure is constant.The volume I is saved die space, and elastic force can reduce number of springs greatly, and life-span length can reduce the mold repair number of times, has therefore reduced the totle drilling cost of mould.
In the blanking units of above-mentioned stamping die, described elastic component two and stepping down is connected by contiguous block between the cutter piece, has the convex body that can be resisted against on the patrix waste knife piece end face on the described contiguous block.
In the blanking units of above-mentioned stamping die, vertically height is greater than the thickness of plate between the die-cut lower sword of described waste material and the die-cut lower sword of deburring.
In the blanking units of above-mentioned stamping die, vertically height is that the thickness of plate adds 2～5 ㎜ between the die-cut lower sword of described waste material and the die-cut lower sword of deburring.
Difference in height between the die-cut lower sword of waste material and the die-cut lower sword of deburring is conducive to get off waste material is die-cut.
In the blanking units of above-mentioned stamping die, when described upper die body and lower mold body were in die opening state, the bottom surface of the cutter piece of stepping down in the patrix cutter block assembly and the bottom surface of patrix waste knife piece were positioned on the same level face.Waste material just can concordant scaling off from the plate upper punch like this, guarantees that the plate after die-cut does not have the die-cut vestige of waste knife.
In the blanking units of above-mentioned stamping die, described patrix cutter block assembly also comprises the patrix cutter piece that leans with the cutter piece of stepping down, and the described cutter piece of stepping down is between patrix cutter piece and patrix waste knife piece; Described patrix cutter piece is fixedly connected with upper die body; The bottom surface of the bottom surface of patrix cutter piece and patrix waste knife piece is positioned on the same level face.The volume of cutter piece of stepping down so just becomes very little, the sensitivity that the cutter piece that is conducive to step down is stepped down, make die-cut more smooth, the longer service life of stamping die.
In the blanking units of above-mentioned stamping die, the top width of described lower waste knife is less than the thickness of the cutter piece of stepping down.
In the blanking units of above-mentioned stamping die, the die-cut upper sword of described waste material and the die-cut upper sword of deburring are perpendicular.So just can guarantee that waste material length is minimum, be conducive to the discharge of waste material.
Compared with prior art, the utility model adopts the cutter piece of stepping down, after cutting waste material, integral body blocks waste material, make plate without the die-cut vestige of waste knife, satisfy product to the high standard requirement on plate border, be reduced to simultaneously the trimming process step of avoiding the die-cut vestige of waste knife occurring and increasing, saved the development cost of mould, and compact conformation has alleviated the weight of stamping die, is conducive to the installing/dismounting of stamping die.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the A-A view of the utility model Fig. 1 when die opening state.
Fig. 3 is the A-A view of the utility model Fig. 1 when the mold closing state.
Among the figure, 1, upper material pressing body; 2, patrix waste knife piece; 3, the cutter piece of stepping down; 4, lower die cutter piece; 5, lower waste knife; 6, patrix cutter piece; 7, nitrogen spring; 8, contiguous block; 9, stage clip.
The specific embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1 and Figure 2, a kind of blanking units of stamping die, stamping die comprise upper die body and lower mold body; Blanking units comprises material pressing body 1, stage clip 9, patrix waste knife piece 2, the cutter piece 3 of stepping down, patrix cutter piece 6, lower die cutter piece 4, nitrogen spring 7 and lower waste knife 5.
Upper material pressing body 1 is positioned in the upper die body, and stage clip 9 is located between material pressing body 1 and the upper die body and material pressing body 1 is had all the time to close lower mold body direction movement tendency.Patrix waste knife piece 2, cutter piece 3 and the patrix cutter piece 6 of stepping down form patrix cutter piece 6 assemblies and are located at a side of material pressing body 1, and patrix waste knife piece 2 is connected on the upper die body with patrix cutter piece 6; The cutter piece 3 of stepping down is positioned at the centre of patrix waste knife piece 2 and patrix cutter piece 6 and the two leans with it respectively, stepping down to be provided with between cutter piece 3 and the upper die body has all the time to the nitrogen spring 7 near lower mold body direction movement tendency the cutter piece 3 of stepping down, nitrogen spring 7 and stepping down is connected by contiguous block 8 between the cutter piece 3, has the convex body that can be resisted against on patrix waste knife piece 2 end faces on the contiguous block 8.When upper die body and lower mold body were in die opening state, the bottom surface of the cutter piece 3 of stepping down in patrix cutter piece 6 assemblies, the bottom surface of patrix waste knife piece 2 and the ground of patrix cutter piece 6 were positioned on the same level face.Have the die-cut upper sword of deburring on patrix cutter piece 6 assemblies, the bottom surface of patrix waste knife piece 2 and and the side that leans of the cutter piece 3 of stepping down between have the waste material die-cut upper sword perpendicular with the die-cut upper sword of deburring.
Lower die cutter piece 4 is connected on the lower mold body and is positioned at the below of material pressing body 1, has the die-cut lower sword of deburring that is oppositely arranged with the die-cut upper sword of deburring on the lower die cutter piece 4.Lower waste knife 5 be connected on the lower mold body and be positioned at the below of the cutter piece 3 of stepping down and its top width less than the thickness of the cutter piece 3 of stepping down.Has the die-cut lower sword of waste material that is oppositely arranged with the die-cut upper sword of waste material on the lower waste knife 5.
The die-cut lower sword of waste material is positioned at the downside of the die-cut lower sword of deburring, and its difference in height is that the thickness of plate adds 3mm.
Original state take the die opening state of stamping die as stamping die, when stamping die begins a plate is carried out deburring when die-cut, in the stamping die of die opening state, plate is positioned on the lower die cutter piece 4 and the punched position of plate is positioned on the die-cut lower sword of deburring, and upper material pressing body 1, patrix waste knife piece 2 and the cutter piece 3 of stepping down all are suspended from the plate top.Then upper die body is descending, when upper material pressing body 1 abuts to plate, upper material pressing body 1 stops descending, and elastic component shrinks at the beginning, and patrix waste knife piece 2 and the cutter piece 3 of stepping down continue descending and by the die-cut upper sword of deburring and the die-cut lower sword of deburring waste material scaled off from the plate upper punch.Patrix waste knife piece 2 and the cutter piece 3 of stepping down continue descending, cutter piece 3 is conflicted and is arrived lower waste knife 5 until step down, the cutter piece 3 of stepping down this moment stops descending, and elastic component two begins to shrink, and patrix waste knife piece 2 continues descending and by the die-cut upper sword of waste material and the die-cut lower sword of waste material waste material blocked.Last upper die body is up, makes stamping die get back to original state, and the one-step punching process has just been finished like this.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (10)
1. the blanking units of a stamping die, stamping die comprises upper die body and lower mold body; Blanking units comprises material pressing body (1); Described upper material pressing body (1) is positioned in the upper die body and is provided with between upper material pressing body (1) and the upper die body material pressing body (1) is had all the time to the elastic component one near lower mold body direction movement tendency;
One side of described upper material pressing body (1) is provided with at least by a patrix waste knife piece (2) and the patrix cutter block assembly that the cutter piece (3) of stepping down that leans with patrix waste knife piece (2) forms, and has the die-cut upper sword of deburring on the described patrix cutter block assembly;
The below of described upper material pressing body (1) is provided with lower die cutter piece (4), and described lower die cutter piece (4) is fixedly connected with lower mold body, has the die-cut lower sword of deburring that is oppositely arranged with the die-cut upper sword of deburring on the described lower die cutter piece (4);
Described patrix waste knife piece (2) is fixedly connected with upper die body, described step down to be provided with between cutter piece (3) and the upper die body cutter piece (3) of stepping down is had all the time near the elastic component two of lower mold body direction movement tendency; The bottom surface of described patrix waste knife piece (2) and and the side that leans of the cutter piece (3) of stepping down between have the die-cut upper sword of waste material that intersects with the die-cut upper sword of described deburring;
Described below of stepping down cutter piece (3) is provided with lower waste knife (5), and described lower waste knife (5) is fixedly connected with lower mold body; Has the die-cut lower sword of waste material that is oppositely arranged with the die-cut upper sword of waste material on the described lower waste knife (5);
The die-cut lower sword of described waste material is positioned at the downside of the die-cut lower sword of deburring.
2. the blanking units of a kind of stamping die according to claim 1 is characterized in that, described elastic component one is stage clip (9).
3. the blanking units of a kind of stamping die according to claim 1 is characterized in that, described elastic component two is nitrogen spring (7).
4. according to claim 1, the blanking units of 2 or 3 described a kind of stamping dies, it is characterized in that, described elastic component two and stepping down is connected by contiguous block (8) between the cutter piece (3), has the convex body that can be resisted against on patrix waste knife piece (2) end face on the described contiguous block (8).
5. according to claim 1, the blanking units of 2 or 3 described a kind of stamping dies, it is characterized in that vertically height is greater than the thickness of plate between the die-cut lower sword of described waste material and the die-cut lower sword of deburring.
6. the blanking units of a kind of stamping die according to claim 5 is characterized in that, vertically height is that the thickness of plate adds 2～5 ㎜ between the die-cut lower sword of described waste material and the die-cut lower sword of deburring.
7. according to claim 1, the blanking units of 2 or 3 described a kind of stamping dies, it is characterized in that, when described upper die body and lower mold body were in die opening state, the bottom surface of the cutter piece (3) of stepping down in the patrix cutter block assembly and the bottom surface of patrix waste knife piece (2) were positioned on the same level face.
8. according to claim 1, the blanking units of 2 or 3 described a kind of stamping dies, it is characterized in that, described patrix cutter block assembly also comprises the patrix cutter piece (6) that leans with the cutter piece (3) of stepping down, and the described cutter piece (3) of stepping down is positioned between patrix cutter piece (6) and the patrix waste knife piece (2); Described patrix cutter piece (6) is fixedly connected with upper die body; The bottom surface of the bottom surface of patrix cutter piece (6) and patrix waste knife piece (2) is positioned on the same level face.
9. according to claim 1, the blanking units of 2 or 3 described a kind of stamping dies, it is characterized in that the top width of described lower waste knife (5) is less than the thickness of cutter piece (3) of stepping down.
10. according to claim 1, the blanking units of 2 or 3 described a kind of stamping dies, it is characterized in that the die-cut upper sword of described waste material and the die-cut upper sword of deburring are perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433942 CN202779366U (en) | 2012-08-29 | 2012-08-29 | Punching device of stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433942 CN202779366U (en) | 2012-08-29 | 2012-08-29 | Punching device of stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202779366U true CN202779366U (en) | 2013-03-13 |
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ID=47806708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220433942 Expired - Fee Related CN202779366U (en) | 2012-08-29 | 2012-08-29 | Punching device of stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202779366U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567276A (en) * | 2013-10-29 | 2014-02-12 | 奇瑞汽车股份有限公司 | Scrap cutter mould structure |
| CN106734512A (en) * | 2015-11-19 | 2017-05-31 | 麦格纳技术与模具系统（天津）有限公司 | A kind of waste material cutting mechanism of cold punching die |
| CN109226477A (en) * | 2018-10-24 | 2019-01-18 | 温州阿德沃自动化设备有限公司 | A kind of cutting machine |
-
2012
- 2012-08-29 CN CN 201220433942 patent/CN202779366U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567276A (en) * | 2013-10-29 | 2014-02-12 | 奇瑞汽车股份有限公司 | Scrap cutter mould structure |
| CN106734512A (en) * | 2015-11-19 | 2017-05-31 | 麦格纳技术与模具系统（天津）有限公司 | A kind of waste material cutting mechanism of cold punching die |
| CN109226477A (en) * | 2018-10-24 | 2019-01-18 | 温州阿德沃自动化设备有限公司 | A kind of cutting machine |
| CN109226477B (en) * | 2018-10-24 | 2024-03-19 | 温州阿德沃自动化设备有限公司 | Wire cutting machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20200829 |