CN109834154B - Blanking die waste material sword assembly - Google Patents
Blanking die waste material sword assembly Download PDFInfo
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- CN109834154B CN109834154B CN201910195023.5A CN201910195023A CN109834154B CN 109834154 B CN109834154 B CN 109834154B CN 201910195023 A CN201910195023 A CN 201910195023A CN 109834154 B CN109834154 B CN 109834154B
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Abstract
The invention provides a blanking die waste cutter assembly which comprises an upper die trimming high cutter, an upper die trimming low cutter, an upper die waste cutter, a lower die cutter and a lower die waste cutter; the end surfaces of the upper die trimming high knife and the upper die trimming low knife are connected with the side surface of the upper die waste material knife, the bottom parts of the upper die trimming high knife and the upper die trimming low knife are provided with a lower die knife, the side surface of the lower die knife is provided with a lower die waste material knife, the end surface of the lower die waste material knife is connected with the side surface of the lower die knife, and the lower die waste material knife is arranged at the bottom part of the upper die waste material knife. The upper die waste cutter is provided with the shearing edge and the sharp thorn part and is used for tearing waste materials and improving the shearing efficiency; a notch and a chamfer are arranged on the lower die waste cutter; go up the mould waste material sword and cut the circular arc surface or the inclined plane of sword cooperation waste material sword bottom surface, further form the spine and protruding, puncture waste material that can be convenient reduces the waste material of shearing in-process and tears the deformation degree, secondary shearing can not appear, can stop the production of iron fillings.
Description
Technical Field
The invention relates to the field of mechanical automation equipment, in particular to a blanking die waste cutter assembly.
Background
With the rapid development of automobile industry in China, new automobile models are continuously pushed out, and production equipment, molds and corresponding raw materials corresponding to the automobile models are more and more. The automobile production needs to use a large amount of blanking plates, and a blanking production line is generally used for production. When the waste material cutter of the blanking die is used for cutting materials, the waste material is firstly torn by the upper die trimming high cutter, then deformation is generated, secondary shearing is generated to scrap iron, the scrap iron is brought into the die to cause the working face of the die to be crushed, and the scrap iron can cause the surface protrusion defect of a stamping part, so that the workpiece needs to be repaired, the production efficiency is influenced, and the production cost is increased.
Disclosure of Invention
In view of this, the present invention provides a waste material cutter assembly of a blanking die, which improves the structure of an upper die waste material cutter, prevents secondary shearing, and improves scrap iron generation during shearing of the blanking die.
The technical scheme of the invention is realized as follows: a blanking die waste cutter assembly comprises an upper die trimming high cutter (1), an upper die trimming low cutter (2), an upper die waste cutter (3), a lower die cutter (4) and a lower die waste cutter (5); the top surfaces of the upper die trimming high knife (1), the upper die trimming low knife (2) and the upper die waste knife (3) are coplanar, the end surfaces of the upper die trimming high knife (1) and the upper die trimming low knife (2) are connected with the side surface of the upper die waste knife (3), the bottoms of the upper die trimming high knife (1) and the upper die trimming low knife (2) are provided with a lower die knife (4), the side surface of the lower die knife (4) is provided with a lower die waste knife (5), the end surface of the lower die waste knife (5) is connected with the side surface of the lower die knife (4), and the lower die waste knife (5) is arranged at the bottom of the upper die waste knife (3);
the upper waste material knife (3) comprises two upper waste material knife side surfaces (31) and an upper waste material knife bottom surface (32); the intersection of the two upper scrap cutter side surfaces (31) and the upper scrap cutter bottom surface (32) forms an upper scrap cutter shearing edge (33), and the upper scrap cutter shearing edge (33) at the intersection of the two upper scrap cutter side surfaces (31) is provided with a sharp thorn part (331).
On the basis of the technical scheme, preferably, the upper die trimming high knife (1) comprises a high knife outer side surface (11) and a high knife bottom surface (12); the outer side surface (11) of the upper knife is intersected with the bottom surface (12) of the upper knife to form an upper die trimming high knife shearing edge (13), and the upper die trimming high knife shearing edge (13) and one side edge of the upper die waste knife shearing edge (33) are collinear and continuously arranged.
Further preferably, the upper die trimming low knife (2) comprises a low knife outer side surface (21) and a low knife bottom surface (22), and the height of the low knife bottom surface (22) is smaller than that of the high knife bottom surface (12); the low-cutter outer side surface (21) and the low-cutter bottom surface (22) are intersected to form an upper-die trimming low-cutter shearing edge (23), and the upper-die trimming low-cutter shearing edge (23) and the upper-die trimming high-cutter shearing edge (13) are arranged in parallel.
Further preferably, the top surface of the lower die cutter (4) is matched with the bottom surfaces (32) and (12) of the upper scrap cutter.
Still further preferably, the top of the lower die scrap cutter (5) is provided with a shearing surface (51) and a blanking surface (52), the shearing surface (51) and the blanking surface (52) are arranged in a crossed manner, and the shearing surface (51) is matched with the shearing edge (33) of the upper die scrap cutter.
Still further preferably, a notch (53) is formed in the top of the lower die waste cutter (5), the notch (53) is formed in the side, connected with the lower die cutter (4), of the lower die waste cutter (5), and the shape of the notch (53) is matched with the shape of the bottom of the upper die trimming lower cutter (2); the edge of the notch (53) is also provided with a chamfer (54), and the chamfer (54) penetrates through the lower die scrap cutter (5) along the vertical direction.
On the basis of the above technical solution, it is further preferable that the upper waste material knife (3) is further provided with an inclined surface (34), and the inclined surface (34) intersects with the two upper waste material knife side surfaces (31) and the upper waste material knife bottom surface (32) respectively and passes through the vertex of the spine portion (331).
Still further preferably, the upper waste material knife (3) is further provided with an arc surface (35), and the arc surface (35) is respectively intersected with the two upper waste material knife side surfaces (31) and the upper waste material knife bottom surface (32) and passes through the vertex of the spine part (331).
Compared with the prior art, the blanking die waste cutter assembly provided by the invention has the following beneficial effects:
(1) the upper die waste cutter is provided with the shearing blade and the sharp-pricked part and is used for tearing waste materials, so that the upper die waste cutter can further cut off the waste materials along the tearing opening, and the shearing efficiency is improved;
(2) the shearing edge of the upper die waste material cutter is matched with the arc surface or the inclined surface on the upper waste material cutter to further form a spine protrusion, so that waste materials can be conveniently punctured, the tearing deformation degree of the waste materials in the shearing process is reduced, the shearing operation is carried out by matching with the chamfer on the lower die waste material cutter, secondary shearing cannot occur, and scrap iron can be completely eradicated;
(3) the shearing surface of the lower die waste material cutter can further increase the penetration depth of the shearing edge of the upper die waste material cutter, so that the problem that the waste material is not broken continuously is avoided, and the smoothness of the waste material sliding downwards along the blanking surface is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of a blanking die scrap knife assembly of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a perspective view of a combination of upper die trimming high blade, upper die trimming low blade, and upper die scrap blade configurations of a blanking die scrap blade assembly in accordance with the present invention;
FIG. 4 is a perspective view of another configuration of the upper die trimming high blade, the upper die trimming low blade, and the upper die scrap blade of the blanking die scrap blade assembly in combination;
FIG. 5 is a perspective view of one configuration of an upper die scrap knife of a blanking die scrap knife assembly in accordance with the present invention;
FIG. 6 is a perspective view of a blanking die scrap cutter assembly of the present invention in an operative condition;
FIG. 7 is a top view of a lower die scrap knife of a blanking die scrap knife assembly of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, the invention provides a blanking die waste cutter assembly, which comprises an upper die trimming high cutter 1, an upper die trimming low cutter 2, an upper die waste cutter 3, a lower die cutter 4 and a lower die waste cutter 5.
As can be seen from fig. 1 and fig. 2, the top surfaces of the upper die trimming high knife 1, the upper die trimming low knife 2 and the upper die scrap knife 3 are coplanar, and the end surfaces of the upper die trimming high knife 1 and the upper die trimming low knife 2 are connected with the side surface of the upper die scrap knife 3. The upper die trimming high knife 1, the upper die trimming low knife 2 and the upper die waste knife 3 form a whole and can be fixed on an upper die base of the blanking die.
The bottom of the upper die trimming high knife 1 and the bottom of the upper die trimming low knife 2 are provided with a lower die knife 4, the side surface of the lower die knife 4 is provided with a lower die waste knife 5, the end surface of the lower die waste knife 5 is connected with the side surface of the lower die knife 4, and the lower die waste knife 5 is arranged at the bottom of the upper die waste knife 3. The lower die cutter 4 and the lower die waste cutter 5 form a whole and can be fixed on a lower die seat of the blanking die.
As shown in fig. 5, the upper scrap knife 3 includes two upper scrap knife side surfaces 31 and an upper scrap knife bottom surface 32; an upper die scrap cutter shearing edge 33 is formed at the intersection of the two upper scrap cutter side surfaces 31 and the upper scrap cutter bottom surface 32; the upper scrap cutter shearing edge 33 at the intersection of the two upper scrap cutter side surfaces 31 has a pointed portion 331. The sharp portion 331 is formed by extending the shearing edge 33 of the upper waste cutter near the intersection of the two upper waste cutter side surfaces 31 downward in the vertical direction and contracting at a point on the extension line of the intersection of the two upper waste cutter side surfaces 31, and the sharp portion 331 increases the depth of penetration of the shearing edge 33 of the upper waste cutter and rapidly cuts waste.
As shown in fig. 4, the upper die trimming high knife 1 includes a high knife outer side surface 11 and a high knife bottom surface 12; the high knife outer side surface 11 and the high knife bottom surface 12 are intersected to form an upper die trimming high knife shearing edge 13, and the upper die trimming high knife shearing edge 13 and one side edge of the upper die waste knife shearing edge 33 are collinear and continuously arranged. The upper-die trim high-blade shearing edge 13 of the upper-die trim high-blade 1 is a continuation of the upper-die scrap-blade shearing edge 33 along the high-blade outer side surface 11, and is engaged with the lower-die blade 4 to perform a cutting operation.
As shown in fig. 4, the upper die trimming low blade 2 includes a low blade outer side surface 21 and a low blade bottom surface 22, and the height of the low blade bottom surface 22 is smaller than that of the high blade bottom surface 12; the low-cutter outer side surface 21 and the low-cutter bottom surface 22 are intersected to form an upper-die trimming low-cutter shearing edge 23, and the upper-die trimming low-cutter shearing edge 23 and the upper-die trimming high-cutter shearing edge 13 are arranged in parallel. As can be seen, the overall height of the upper die trimming low knife 2 is smaller than that of the upper die trimming high knife 1.
As can be seen from fig. 1 in conjunction with fig. 2, the top surface of the lower blade 4 is shaped to conform to the shape of the upper scrap blade bottom surface 32 and the upper blade bottom surface 12.
As can be seen from fig. 1 and 7, the top of the lower scrap cutter 5 is provided with a shearing surface 51, a blanking surface 52, a notch 53 and a chamfer 54, the shearing surface 51 intersects with the blanking surface 52, and the shearing surface 51 is matched with the shearing edge 33 of the upper scrap cutter. A notch 53 is formed in the top of the lower die scrap cutter 5, the notch 53 is formed in the side, connected with the lower die cutter 4, of the lower die scrap cutter 5, and the shape of the notch 53 is matched with the shape of the bottom of the upper die trimming lower cutter 2; the edge of the notch 53 is also provided with a chamfer 54, and the chamfer 54 penetrates through the lower die scrap cutter 5 along the vertical direction. Specifically, the shearing surface 51 is a horizontal surface, and the shearing surface 51 is matched with the shape of the shearing edge 33 of the upper waste cutter, so that the cutting operation of the waste can be realized. The blanking surface 52 is an inclined surface and can be used as a falling channel of the sheared waste, so that the sheared waste can fall more conveniently. The notch 53 can avoid the upper die trimming lower knife 2, and interference is prevented. In the present invention, the chamfer 54 is preferably a C2 chamfer.
Fig. 3 shows a structure of the upper die scrap cutter 3 in conjunction with fig. 5: the upper waste blade 3 is further provided with an inclined surface 34, and the inclined surface 34 intersects with the two upper waste blade side surfaces 31 and the upper waste blade bottom surface 32 respectively and passes through the vertex of the spike portion 331. Spine portion constitutes a tetrahedron structure with inclined plane 34 promptly, and this structure is more firm, has increased the intensity that goes up mould waste material sword and cut sword 33 and spine portion 331 for go up mould waste material sword and cut sword 33 and can tear the waste material fast, reduce the waste material and warp, go up mould waste material sword and cut sword 33 and combine the production that secondary shearing and iron fillings can be avoided to chamfer 54 of lower mould waste material sword 5. The shape of chamfer 54 can be sheared sword 33 cooperation with last mould waste material sword, increases the depth of penetration that goes up mould waste material sword and shears sword 33, can prevent that the waste material from cutting continuous phenomenon, guarantees the smoothness nature that the waste material glided.
Fig. 4 shows another structure of the upper die scrap cutter 3 in conjunction with fig. 5: the upper waste material knife 3 is further provided with an arc surface 35, and the arc surface 35 is respectively intersected with the two upper waste material knife side surfaces 31 and the upper waste material knife bottom surface 32 and passes through the vertex of the spine part 331. That is, the spine 331 and the arc 35 form a cone-shaped structure, which functions similarly to the above structure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides a blanking die waste material sword assembly which characterized in that: the trimming device comprises an upper die trimming high knife (1), an upper die trimming low knife (2), an upper die waste material knife (3), a lower die knife (4) and a lower die waste material knife (5), wherein the top surfaces of the upper die trimming high knife (1), the upper die trimming low knife (2) and the upper die waste material knife (3) are coplanar, the end surfaces of the upper die trimming high knife (1) and the upper die trimming low knife (2) are both connected with the side surface of the upper die waste material knife (3), the bottom parts of the upper die trimming high knife (1) and the upper die trimming low knife (2) are provided with the lower die knife (4), the side surface of the lower die knife (4) is provided with the lower die waste material knife (5), the end surface of the lower die waste material knife (5) is connected with the side surface of the lower die knife (4), and the lower die waste material knife (;
the upper waste material knife (3) comprises two upper waste material knife side surfaces (31) and an upper waste material knife bottom surface (32); an upper die waste knife shearing edge (33) is formed at the intersection of the two upper waste knife side surfaces (31) and the upper waste knife bottom surface (32), and the upper die waste knife shearing edge (33) at the intersection of the two upper waste knife side surfaces (31) is provided with a sharp thorn part (331);
the upper die trimming high knife (1) comprises a high knife outer side surface (11) and a high knife bottom surface (12); the outer side surface (11) of the upper tool is intersected with the bottom surface (12) of the upper tool to form an upper die trimming high-tool shearing edge (13), and the upper die trimming high-tool shearing edge (13) and one side edge of the upper die waste tool shearing edge (33) are collinear and continuously arranged;
the shape of the top surface of the lower die cutter (4) is matched with the shapes of the bottom surface (32) of the upper waste cutter and the bottom surface (12) of the high cutter;
the top of the lower die waste cutter (5) is provided with a shearing surface (51) and a blanking surface (52), the shearing surface (51) and the blanking surface (52) are arranged in a crossed manner, and the shearing surface (51) is matched with the shearing edge (33) of the upper die waste cutter;
the top of the lower die waste cutter (5) is also provided with a notch (53), the notch (53) is arranged on one side of the lower die waste cutter (5) connected with the lower die cutter (4), and the shape of the notch (53) is matched with the shape of the bottom of the upper die trimming lower cutter (2); the edge of the notch (53) is also provided with a chamfer (54), and the chamfer (54) penetrates through the lower die scrap cutter (5) along the vertical direction.
2. The blanking die scrap knife assembly of claim 1 wherein: the upper die trimming low knife (2) comprises a low knife outer side surface (21) and a low knife bottom surface (22), and the height of the low knife bottom surface (22) is smaller than that of the high knife bottom surface (12); the low-cutter outer side surface (21) and the low-cutter bottom surface (22) are intersected to form an upper-die trimming low-cutter shearing edge (23), and the upper-die trimming low-cutter shearing edge (23) and the upper-die trimming high-cutter shearing edge (13) are arranged in parallel.
3. The blanking die scrap knife assembly of claim 1 wherein: the upper die waste knife (3) is also provided with an inclined surface (34), and the inclined surface (34) is respectively intersected with the side surface (31) of the two upper waste knives and the bottom surface (32) of the upper waste knife and passes through the peak of the sharp thorn part (331).
4. The blanking die scrap knife assembly of claim 1 wherein: the upper die waste material knife (3) is further provided with an arc surface (35), and the arc surface (35) is respectively intersected with the two upper waste material knife side surfaces (31) and the upper waste material knife bottom surface (32) and passes through the top point of the spine part (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195023.5A CN109834154B (en) | 2019-03-14 | 2019-03-14 | Blanking die waste material sword assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195023.5A CN109834154B (en) | 2019-03-14 | 2019-03-14 | Blanking die waste material sword assembly |
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| Publication Number | Publication Date |
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| CN109834154A CN109834154A (en) | 2019-06-04 |
| CN109834154B true CN109834154B (en) | 2020-08-21 |
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| CN201910195023.5A Active CN109834154B (en) | 2019-03-14 | 2019-03-14 | Blanking die waste material sword assembly |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524629A (en) * | 2019-08-21 | 2019-12-03 | 北京海纳川汽车部件股份有限公司 | Cutter |
| CN111451358A (en) * | 2019-11-26 | 2020-07-28 | 柳州宝钢汽车零部件有限公司 | Novel blanking die waste material cutting off cutter structure |
| CN112246958A (en) * | 2020-09-08 | 2021-01-22 | 安徽江淮汽车集团股份有限公司 | Blanking die structure |
| CN112317595A (en) * | 2020-09-30 | 2021-02-05 | 中国第一汽车股份有限公司 | Stamping and trimming process for preventing waste cuttings from being generated |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3313688B2 (en) * | 2000-01-26 | 2002-08-12 | 山形日本電気株式会社 | Lead cutting die and lead cutting method |
| CN202427794U (en) * | 2011-11-30 | 2012-09-12 | 长城汽车股份有限公司 | Simultaneous trimming mechanism of scrap cutter on mould |
| CN103418663B (en) * | 2012-05-23 | 2016-06-08 | 北汽福田汽车股份有限公司 | A kind of Trimming Die |
| CN103521598B (en) * | 2012-07-05 | 2015-08-12 | 北汽福田汽车股份有限公司 | Deburring waste knife and Trimming Die |
| CN104084474A (en) * | 2014-06-19 | 2014-10-08 | 东风本田汽车有限公司 | Cold stamping trimming die |
| CN206253503U (en) * | 2016-11-28 | 2017-06-16 | 成都普什汽车模具有限公司 | Impulse- free robustness trimming mechanism at waste knife |
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2019
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