CN112108565A - Bidirectional flattening product structure and flattening process thereof - Google Patents
Bidirectional flattening product structure and flattening process thereof Download PDFInfo
- Publication number
- CN112108565A CN112108565A CN202010918717.XA CN202010918717A CN112108565A CN 112108565 A CN112108565 A CN 112108565A CN 202010918717 A CN202010918717 A CN 202010918717A CN 112108565 A CN112108565 A CN 112108565A
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- insert
- lower die
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- station
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 9
- 230000008569 process Effects 0.000 title abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 45
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 20
- 230000006872 improvement Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/08—Dies with different parts for several steps in a process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/003—Simultaneous forming, e.g. making more than one part per stroke
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a bidirectional flattening product structure and a flattening process thereof, wherein the bidirectional flattening product structure and the flattening process thereof comprise a pre-cutting station, a double-side flattening station, an upward piercing station, a fine cutting station and a downward piercing station which are sequentially connected through a material belt, the double-side flattening station comprises a second lower die insert, an ejector pin, a second stripping insert and a flattening punch, the second lower die insert is internally provided with the ejector pin, the upper end of the second lower die insert is provided with the second stripping insert in a butt joint mode, the upper end face of the second lower die insert and the lower end face of the second stripping insert are provided with rectangular bosses, the rectangular bosses are provided with avoidance through grooves which are consistent with the shape of the middle part of a product, and the flattening punch is inserted into the second stripping insert. Through the mode, the pre-cutting, flattening, puncturing and fine cutting combined type fine blanking device is compact in structure and stable in operation, stable in production can be achieved, the problems that the strength of a fine blanking edge is low and stable production cannot be achieved are solved, the production efficiency is improved, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of mold production, in particular to a bidirectional flattening product structure and a flattening process thereof.
Background
The original production process comprises the following steps: the product is flattened in two directions, and in the first step, an upper die punch is flattened; secondly, flattening the lower die insert; and thirdly, profiling fine cutting is carried out on a knife edge, fine punching is required to be carried out to ensure the size precision after flattening, but a knife edge part subjected to fine punching is fragile and cannot be stably produced, parts are seriously broken in production, the production cost is high, and the product quality cannot be ensured.
Disclosure of Invention
The invention mainly solves the technical problem of providing a bidirectional flattening product structure and a flattening process thereof, and the bidirectional flattening product structure has the advantages of compact structure, stable operation, cooperation of precutting, flattening, puncturing and fine cutting, stable production, improvement of the problems of low strength of a fine punching edge and incapability of stable production, improvement of production efficiency and reduction of production cost.
In order to solve the technical problems, the invention adopts a technical scheme that: the structure comprises a pre-cutting station, a double-side flattening station, an upward piercing station, a fine cutting station and a downward piercing station which are sequentially connected through a material belt, wherein the pre-cutting station comprises a first lower die insert, a first stripping insert and a pre-cutting punch; the double-side flattening station comprises a second lower die insert, an ejector pin, a second stripping insert and a flattening punch, the ejector pin is arranged in the second lower die insert, the upper end of the second lower die insert is in butt joint with the second stripping insert, rectangular bosses are arranged on the upper end face of the second lower die insert and the lower end face of the second stripping insert, a avoiding through groove consistent with the shape of the middle of a product is formed in the rectangular bosses, and the flattening punch is inserted in the second stripping insert.
Preferably, the upward puncturing station comprises a third lower die insert, an upper die knife and a puncturing punch, the third lower die insert is a sealing platform, the upper die knife is arranged above the third lower die insert, a avoiding groove which is consistent with the shape of the middle of the product is formed in a rectangular boss at the lower end of the upper die knife, and the puncturing punch is arranged in the avoiding groove.
Preferably, the fine cutting station adopts a fine cutting punch, and the rest of the structure of the fine cutting station is the same as that of the pre-cutting station.
Preferably, the downward piercing station comprises a fifth lower die insert, a fifth stripping insert, a fifth piercing punch and a lower die punch, the fifth lower die insert and the fifth stripping insert are arranged oppositely, and opposite surfaces of the fifth lower die insert and the fifth stripping insert are provided with through grooves which are consistent with the middle of the product in shape, the fifth piercing punch is arranged in the through groove of the upper die, and the lower die punch is arranged in the through groove of the lower die.
The utility model provides a technique of flattening of product structure is flattened to two-way, its characterized in that: the method comprises the following steps:
s1, precutting, namely placing the material belt between a first lower die insert and a first stripping insert of a precutting station, and downwards moving a precutting punch to cut the shape of a product;
s2, thinning the two sides, moving the material belt to a two-side flattening station, moving a second material removing insert downwards to flatten the periphery of the product, flattening the thickness of the product from 0.45mm to 0.125mm, avoiding the middle part of the product through an upper avoidance through groove and a lower avoidance through groove, and enabling the product to be in a shape of a boss which is symmetrical under the mountain;
and S3, puncturing upwards, continuously moving the material belt to an upward puncturing station, relatively moving the upper die knife and the puncturing punch downwards, and pushing the three lower die inserts to the middle boss of the product to be displaced until the bosses are flush with the peripheral thinned part, so that the shape can be accurately cut subsequently.
S4, fine cutting, wherein the material belt is continuously moved to a fine cutting station, the fine cutting station moves down the appearance of the thinned part of the fine cut product, and the knife edge is subjected to copying fine cutting;
and S5, puncturing downwards, continuously moving the material belt to a downward puncturing station, relatively pressing a fifth puncturing punch and a lower die punch, pressing the boss part in the middle of the product into the through groove of the lower die by the lower die punch, and puncturing the flat parts at the periphery to the positions with required sizes.
Compared with the prior art, the invention has the beneficial effects that:
compact structure, operate steadily, in advance cut, flatten, puncture and the cooperation is cut to the essence, can stable production, improved the preceding essence and dashed the problem that the edge of a knife intensity is low, can't stable production, improve production efficiency, reduction in production cost.
Drawings
Fig. 1 is a schematic structural diagram of a structure of a bi-directional flattening product.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a product tape of a bi-directional flattened product structure.
Fig. 4 is a schematic diagram of a precut station material strip of a flattening process for bi-directionally flattening a product structure.
FIG. 5 is a cross-sectional view of a product at two-side flattening stations of a flattening process for a bi-directional flattening product structure.
FIG. 6 is a cross-sectional view of a product at an upward lancing station of a bi-directional flattening process for a product structure.
Fig. 7 is a schematic diagram of a finishing station material belt of a flattening process of a bi-directional flattened product structure.
FIG. 8 is a cross-sectional view of a product at a puncture station of a bi-directional flattening process for flattening the product structure.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the invention can be more readily understood by those skilled in the art, and the scope of the invention will be more clearly defined.
Referring to fig. 1 to 8, an embodiment of the present invention includes:
a two-way flattening product structure and a flattening process thereof are disclosed, the two-way flattening product structure comprises a pre-cutting station 1, a two-way flattening station 2, an upward piercing station 3, a fine cutting station 4 and a downward piercing station 5 which are sequentially connected through a material belt, wherein the pre-cutting station 1 comprises a first lower die insert 11, a first stripping insert 12 and a pre-cutting punch 13, the material belt is arranged between the first lower die insert 11 and the first stripping insert 12, the pre-cutting punch 13 is inserted on the first stripping insert 12, and the pre-cutting punch 13 is used for pre-cutting a product outline drawing; the two-side flattening station 2 comprises a second lower die insert 21, an ejector pin 22, a second stripping insert 23 and a flattening punch 24, the ejector pin 22 is arranged in the second lower die insert 21, the second stripping insert 23 is arranged at the upper end of the second lower die insert 21 in a butt joint mode, rectangular bosses are arranged on the upper end face of the second lower die insert 21 and the lower end face of the second stripping insert 23, an avoiding through groove which is consistent with the shape of the middle of a product is formed in each rectangular boss, and the flattening punch 24 is inserted into the second stripping insert 23.
The upward puncturing station 3 comprises a third lower die insert 31, an upper die knife 32 and a puncturing punch 33, the third lower die insert 31 is a sealing platform, the upper die knife 32 is arranged above the third lower die insert 31, a avoiding groove which is consistent with the shape of the middle of a product is formed in a rectangular boss at the lower end of the upper die knife 32, and the puncturing punch 33 is arranged in the avoiding groove.
The fine cutting station 4 adopts a fine cutting punch 43, and the rest of the structure of the fine cutting station 4 is the same as that of the precutting station 1.
The downward piercing station 5 comprises a fifth lower die insert 51, a fifth stripping insert 52, a fifth piercing punch 53 and a lower die punch 54, the fifth lower die insert 51 and the fifth stripping insert 52 are oppositely arranged, through grooves which are consistent with the middle appearance of a product are formed in opposite surfaces of the fifth lower die insert 51 and the fifth stripping insert 52, the fifth piercing punch 53 is arranged in the through groove of the upper die, and the lower die punch 54 is arranged in the through groove of the lower die.
The utility model provides a technique of flattening of product structure is flattened to two-way, its characterized in that: the method comprises the following steps: s1, precutting, placing the tape between the first lower mold insert 11 and the first stripper insert 12 of the precutting station 1, and moving down the precutting punch 13 to cut the product shape, as shown in fig. 4;
s2, thinning the two sides, moving the material belt to the two-side flattening station 2, moving the second stripping insert 23 downwards to flatten the periphery of the product, flattening the thickness from the original 0.45mm to 0.125mm, avoiding the middle part of the product through an upper and lower avoiding through groove, enabling the product to be in a shape of a convex platform symmetrical under the mountain, and enabling the section of the product to be as shown in figure 5;
and S3, puncturing upwards, continuously moving the material belt to the upward puncturing station 3, relatively moving the upper die knife 32 and the puncturing punch 33 downwards, pushing the lower die insert 31 to the middle boss of the product to be displaced until the boss is flush with the peripheral thinned part, and enabling the cross section of the product to be as shown in FIG. 6, so that the shape can be conveniently and precisely cut subsequently.
S4, fine cutting, wherein the material belt is continuously moved to a fine cutting station 4, the fine cutting station 4 moves downwards to thin the appearance of the fine cut product, and a blade is subjected to profiling fine cutting as shown in figure 7;
and S5, puncturing downwards, continuously moving the material belt to the downward puncturing station 5, relatively pressing the fifth puncturing punch 53 and the lower die punch 54 downwards, pressing the boss part in the middle of the product into the through groove of the lower die by the lower die punch 54, puncturing the flat parts at the periphery to the positions with required sizes, and enabling the section of the product to be as shown in FIG. 8.
The bidirectional flattening product structure and the flattening process thereof have the advantages of compact structure, stable operation, matching of precutting, flattening, puncturing and fine cutting, stable production, improvement of the problems of low strength of a fine punching edge and incapability of stable production, improvement of production efficiency and reduction of production cost.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The utility model provides a product structure is flattened to two-way which characterized in that: the bidirectional flattened product structure comprises a pre-cutting station, a double-side flattening station, an upward puncturing station, a fine cutting station and a downward puncturing station which are sequentially connected through a material belt, wherein the pre-cutting station comprises a first lower die insert, a first stripping insert and a pre-cutting punch; the double-side flattening station comprises a second lower die insert, an ejector pin, a second stripping insert and a flattening punch, the ejector pin is arranged in the second lower die insert, the upper end of the second lower die insert is in butt joint with the second stripping insert, rectangular bosses are arranged on the upper end face of the second lower die insert and the lower end face of the second stripping insert, a avoiding through groove consistent with the shape of the middle of a product is formed in the rectangular bosses, and the flattening punch is inserted in the second stripping insert.
2. A bi-directional flattening product structure according to claim 1, characterized in that: the upward piercing station comprises a third lower die insert, an upper die knife and a piercing punch, the third lower die insert is a sealing platform, the upper die knife is arranged above the third lower die insert, a avoiding groove which is consistent with the shape of the middle of the product is formed in a rectangular boss at the lower end of the upper die knife, and the piercing punch is arranged in the avoiding groove.
3. A bi-directional flattening product structure according to claim 1, characterized in that: the fine cutting station adopts a fine cutting punch, and the rest of the structure of the fine cutting station is the same as that of the pre-cutting station.
4. A bi-directional flattening product structure according to claim 1, characterized in that: the downward piercing station comprises a fifth lower die insert, a fifth stripping insert, a fifth piercing punch and a lower die punch, the fifth lower die insert and the fifth stripping insert are arranged oppositely, opposite faces of the fifth lower die insert and the fifth stripping insert are provided with through grooves which are consistent with the middle appearance of a product, the fifth piercing punch is arranged in the through groove of the upper die, and the lower die punch is arranged in the through groove of the lower die.
5. The utility model provides a technique of flattening of product structure is flattened to two-way, its characterized in that: the method comprises the following steps:
s1, precutting, namely placing the material belt between a first lower die insert and a first stripping insert of a precutting station, and downwards moving a precutting punch to cut the shape of a product;
s2, thinning the two sides, moving the material belt to a two-side flattening station, moving a second material removing insert downwards to flatten the periphery of the product, flattening the thickness of the product from 0.45mm to 0.125mm, avoiding the middle part of the product through an upper avoidance through groove and a lower avoidance through groove, and enabling the product to be in a shape of a boss which is symmetrical under the mountain;
and S3, puncturing upwards, continuously moving the material belt to an upward puncturing station, relatively moving the upper die knife and the puncturing punch downwards, and pushing the three lower die inserts to the middle boss of the product to displace until the material belt is flush with the peripheral thinned part.
S4, fine cutting, wherein the material belt is continuously moved to a fine cutting station, the fine cutting station moves down the appearance of the thinned part of the fine cut product, and the knife edge is subjected to copying fine cutting;
and S5, puncturing downwards, continuously moving the material belt to a downward puncturing station, relatively pressing a fifth puncturing punch and a lower die punch, pressing the boss part in the middle of the product into the through groove of the lower die by the lower die punch, and puncturing the flat parts at the periphery to the positions with required sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010918717.XA CN112108565A (en) | 2020-09-04 | 2020-09-04 | Bidirectional flattening product structure and flattening process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010918717.XA CN112108565A (en) | 2020-09-04 | 2020-09-04 | Bidirectional flattening product structure and flattening process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112108565A true CN112108565A (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010918717.XA Pending CN112108565A (en) | 2020-09-04 | 2020-09-04 | Bidirectional flattening product structure and flattening process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101487A (en) * | 2021-11-08 | 2022-03-01 | 宁波诚泰汽车部件有限公司 | Fine blanking device and process method for one-step forming flattening and embossing |
| CN115178645A (en) * | 2022-08-11 | 2022-10-14 | 深圳市创益通技术股份有限公司 | Bidirectional multi-convex-hull accurate cutting blanking die and cutting method |
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| CN207204947U (en) * | 2017-09-05 | 2018-04-10 | 天泽精密技术（上海）有限公司 | Terminal head portion chamfering edge of a knife feeler mechanism |
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| CN202803949U (en) * | 2012-10-23 | 2013-03-20 | 青岛钜祥精密模具有限公司 | Machining mold aiming at connector terminal |
| CN203426280U (en) * | 2013-08-23 | 2014-02-12 | 四川瑞宝电子有限责任公司 | Continuous stamping die for manufacturing connector terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114101487A (en) * | 2021-11-08 | 2022-03-01 | 宁波诚泰汽车部件有限公司 | Fine blanking device and process method for one-step forming flattening and embossing |
| CN115178645A (en) * | 2022-08-11 | 2022-10-14 | 深圳市创益通技术股份有限公司 | Bidirectional multi-convex-hull accurate cutting blanking die and cutting method |
| CN115178645B (en) * | 2022-08-11 | 2024-02-20 | 深圳市创益通技术股份有限公司 | Accurate cutting and blanking die and cutting method for bidirectional multi-convex hull |
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