CN111390020A - Novel process for mouth part with flanging stretching piece - Google Patents
Novel process for mouth part with flanging stretching piece Download PDFInfo
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- CN111390020A CN111390020A CN202010217414.5A CN202010217414A CN111390020A CN 111390020 A CN111390020 A CN 111390020A CN 202010217414 A CN202010217414 A CN 202010217414A CN 111390020 A CN111390020 A CN 111390020A
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- workpiece
- punching
- flanging
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- 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
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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- 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
Abstract
The invention discloses a novel process for an opening part with a flanging stretching piece, which comprises the following steps: the method comprises the following steps: punching, namely fixing a material to be processed, and then vertically punching a workpiece downwards from the upper part, wherein the workpiece is in a rectangular plate-shaped structure and is symmetrically punched from two sides of the workpiece; step two: stretching, namely stretching the flat and straight plate-shaped workpiece to enable the stretched position of the flat and straight plate-shaped workpiece to be in an upward convex cylindrical structure; step three: shaping, namely integrally shaping the workpiece to ensure that the side of the workpiece is in a convex state, so as to ensure the appearance of the workpiece meets the requirement of composite production; step four: side punching, namely performing punching operation on the workpiece from the side surface, wherein the positions for punching the workpiece are symmetrically distributed; the novel process for the mouth part flanging stretching piece is adjusted, the whole product is completely produced in a continuous die process, and the production efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of stamping, in particular to a novel process for an opening part flanging stretching piece.
Background
The mouth area turn-ups tensile member mainly uses on the gasbag, and the product is total, and output ratio is bigger, and the shape of work piece is a tensile expert, and mouth area turn-ups, current technology are modulus of continuity stretch forming back, and the overhang dashes, and the last process product blanking is with the single mode turn-ups at the back, but this technology still has following problem in actual production process:
production needs a progressive die and a single die, the bottleneck of yield is on the single die, the capacity improvement is troublesome, and the production can only be realized by multiple dies, so that the benefit and the capacity improvement are very inconvenient, the capacity of the progressive die and the capacity of the single die are not matched, the progressive die can produce 9000 every day, the number of the single dies can only be 3000, if the capacity of the single die is matched with the capacity of the progressive die, more equipment is needed, the production arrangement is difficult, and in order to solve the problems, the innovative design is urgently needed on the basis of the original mouth flanging process.
Disclosure of Invention
The invention aims to provide a novel process for an opening flanging drawing piece, which aims to solve the problems that the continuous die and a single die are required for production, the bottleneck of yield is on the single die, the yield is relatively troublesome to improve, the production can be realized only by multiple dies, the benefit and the yield are very inconvenient to improve, the yields of the continuous die and the single die are not matched, the continuous die can produce 9000 in one day, the single die can only produce 3000 more, and if the yield of the single die is matched with the yield of the continuous die, more equipment is required, and the production arrangement is difficult.
In order to achieve the purpose, the invention provides the following technical scheme: the novel process of the mouth part with the flanging stretching piece comprises the following steps:
the method comprises the following steps: punching, namely fixing a material to be processed, and then vertically punching a workpiece downwards from the upper part, wherein the workpiece is in a rectangular plate-shaped structure and is symmetrically punched from two sides of the workpiece;
step two: stretching, namely stretching the flat and straight plate-shaped workpiece to enable the stretched position of the flat and straight plate-shaped workpiece to be in an upward convex cylindrical structure;
step three: shaping, namely integrally shaping the workpiece to ensure that the side of the workpiece is in a convex state, so as to ensure the appearance of the workpiece meets the requirement of composite production;
step four: side punching, namely performing punching operation on the workpiece from the side surface, wherein the positions for punching the workpiece are symmetrically distributed;
step five: punching and engraving, namely punching the edge of the workpiece according to production requirements and engraving at the same time;
step six: blanking and flanging, wherein blanking of the workpiece is realized after punching, and flanging operation is carried out on the workpiece while blanking is carried out;
step seven: cutting waste, cutting off redundant leftover materials at the edge of the workpiece through the matching of the two knife edges, and then conveying and outputting the punched product through a conveyor belt.
Preferably, the length of the object to be processed in the first step is 2240mm, the width of the object to be processed is 178mm, the number of punching the object to be processed is 2, and the interval between the 2 punching is 148 mm.
Preferably, the height of the workpiece after being stretched in the second step is 28.8mm, the maximum diameter of the workpiece is 113.8mm, the workpiece is in a circular structure in a top view angle, and the upper corners of the workpiece are arranged in a cambered surface manner.
Preferably, after the workpiece is shaped in the third step, 4 groups of the convex positions are distributed at equal angles, and each group is provided with 2 convex positions and is located at the lower edge of the workpiece.
Preferably, the total times of side punching on the workpiece in the fourth step is 3, the number of side punching on the workpiece is 4 each time, the side punching direction is obliquely downward, and the side punching holes are equal in size and are distributed on the workpiece at equal angles.
Preferably, in the fifth step, the workpiece is punched in a circular shape, 4 holes are arranged at equal angles at the edge of the workpiece, and the position for marking the workpiece is at the top of the workpiece.
Preferably, in the sixth step, the height of the flanging of the workpiece is 5mm, the position of the flanging is vertical, and the maximum diameter of the workpiece after flanging is 107.8 mm.
Preferably, the position of the work-piece cutting operation in the seventh step is at the edge thereof, and the cutting diameter is larger than the maximum diameter of the work-piece.
Compared with the prior art, the invention has the beneficial effects that: this new technology of oral area turn-ups tensile member, defect in to current technology, under the prerequisite of guaranteeing the quality, can raise the efficiency, through at the second in-process that says to bend increase a technology negative angle, the interior knot angle shaping that will produce the needs earlier comes out, will increase at original blanking process in follow-up work, through transforming, under the prerequisite that the process piece front lane increases the impression, the turn-ups blanking process of transforming can directly come out the product shaping, after new technology adjustment, the complete production of whole product has been realized in a modulus of continuity technology, the loaded down with trivial details nature of step has been reduced, and the production efficiency is greatly improved.
Drawings
FIG. 1 is a schematic top view of a prior art process of the present invention;
FIG. 2 is a schematic side view of the old process of the present invention;
FIG. 3 is a schematic top view of the novel process of the present invention;
FIG. 4 is a schematic side view of the novel process 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 drawings in 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 3-4, the present invention provides a technical solution: the novel process of the mouth part with the flanging stretching piece comprises the following steps:
the method comprises the following steps: punching, namely fixing a material to be processed, and then vertically punching a workpiece downwards from the upper part, wherein the workpiece is in a rectangular plate-shaped structure and is symmetrically punched from two sides of the workpiece;
step two: stretching, namely stretching the flat and straight plate-shaped workpiece to enable the stretched position of the flat and straight plate-shaped workpiece to be in an upward convex cylindrical structure;
step three: shaping, namely integrally shaping the workpiece to ensure that the side of the workpiece is in a convex state, so as to ensure the appearance of the workpiece meets the requirement of composite production;
step four: side punching, namely performing punching operation on the workpiece from the side surface, wherein the positions for punching the workpiece are symmetrically distributed;
step five: punching and engraving, namely punching the edge of the workpiece according to production requirements and engraving at the same time;
step six: blanking and flanging, wherein blanking of the workpiece is realized after punching, and flanging operation is carried out on the workpiece while blanking is carried out;
step seven: cutting waste, cutting off redundant leftover materials at the edge of the workpiece through the matching of the two knife edges, and then conveying and outputting the punched product through a conveyor belt.
In the first step, the length of the object to be processed is 2240mm, the width of the object to be processed is 178mm, the number of punching the object to be processed is 2, and the distance between the 2 punching is 148 mm;
in the second step, the height of the stretched workpiece is 28.8mm, the maximum diameter of the workpiece is 113.8mm, the overlooking angle of the stretched workpiece is in a circular structure, and the upper corner of the workpiece is provided with an arc surface;
in the third step, 4 groups of 2 protrusions are distributed at equal angles after the workpiece is shaped, and are positioned at the lower edge of the workpiece;
in the fourth step, the total times of side punching the workpiece are 3 times, the number of the side punching the workpiece is 4 each time, the side punching direction is obliquely downwards arranged, and the side punching holes are equal in size and are distributed on the workpiece at equal angles;
in the fifth step, the workpiece is punched to be circular, 4 holes are arranged at the edge of the workpiece at equal angles, and the position for engraving the workpiece is positioned at the top of the workpiece;
in the sixth step, the height of the flanging of the workpiece is 5mm, the position of the flanging is in a vertical state, and the maximum diameter of the workpiece after flanging is 107.8 mm;
and the position of the waste cutting operation on the workpiece in the step seven is at the edge of the workpiece, and the cutting diameter is larger than the maximum diameter of the workpiece.
The working principle is as follows: firstly, the material to be processed is in a long strip plate structure, after the material is fixed, the material is punched for 2 times, the punching position is in a symmetrical mode, after the punching is finished, the material is stretched, the position needing to be stretched is drawn into an upward-convex cylindrical structure, then the stretched workpiece is shaped, the shape of the workpiece is matched with the processed part, then the workpiece is punched from the side surface, the side punching is carried out for 3 times at equal angles, 4 holes are punched at each time, each hole is guaranteed to be distributed on the workpiece at equal angles, then the edge of the workpiece is punched, the surface of the workpiece is engraved, the workpiece is blanked and flanged, the flanging operation can be synchronously realized during blanking, a single-mode flanging is not needed after the workpiece is blanked, finally, the waste is cut to realize the transmission of the complete workpiece, the novel process in the scheme aims at the defects in the existing process, on the premise of ensuring the quality, the whole product is completely produced in a continuous die process, and the production efficiency is greatly improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The novel process of the mouth part flanging stretching piece is characterized in that: the flanging and stretching process comprises the following steps:
the method comprises the following steps: punching, namely fixing a material to be processed, and then vertically punching a workpiece downwards from the upper part, wherein the workpiece is in a rectangular plate-shaped structure and is symmetrically punched from two sides of the workpiece;
step two: stretching, namely stretching the flat and straight plate-shaped workpiece to enable the stretched position of the flat and straight plate-shaped workpiece to be in an upward convex cylindrical structure;
step three: shaping, namely integrally shaping the workpiece to ensure that the side of the workpiece is in a convex state, so as to ensure the appearance of the workpiece meets the requirement of composite production;
step four: side punching, namely performing punching operation on the workpiece from the side surface, wherein the positions for punching the workpiece are symmetrically distributed;
step five: punching and engraving, namely punching the edge of the workpiece according to production requirements and engraving at the same time;
step six: blanking and flanging, wherein blanking of the workpiece is realized after punching, and flanging operation is carried out on the workpiece while blanking is carried out;
step seven: cutting waste, cutting off redundant leftover materials at the edge of the workpiece through the matching of the two knife edges, and then conveying and outputting the punched product through a conveyor belt.
2. The novel process for the mouth flanging stretch piece according to claim 1, is characterized in that: in the first step, the length of the object to be processed is 2240mm, the width of the object to be processed is 178mm, the number of punching the object to be processed is 2, and the interval between the 2 punching is 148 mm.
3. The novel process for the mouth flanging stretch piece according to claim 1, is characterized in that: in the second step, the height of the workpiece after being stretched is 28.8mm, the maximum diameter of the workpiece is 113.8mm, the overlooking angle of the workpiece is in a circular structure, and meanwhile, the upper corner of the workpiece is provided with an arc surface.
4. The novel process for the mouth flanging stretch piece according to claim 1, is characterized in that: and in the third step, 4 groups of the convex positions are distributed at equal angles after the workpiece is shaped, and each group is provided with 2 convex positions and is positioned at the lower edge of the workpiece.
5. The novel process for the mouth flanging stretch piece according to claim 1, is characterized in that: the total times of side punching of the workpiece in the fourth step is 3 times, the number of the side punching of the workpiece is 4 each time, the side punching direction is obliquely downwards arranged, and the side punching holes are equal in size and are distributed on the workpiece at equal angles.
6. The novel process for the mouth flanging stretch piece according to claim 1, is characterized in that: and in the fifth step, the workpiece is punched to be circular, 4 holes are formed in the edge of the workpiece at equal angles, and the workpiece is marked at the top.
7. The novel process for the mouth flanging stretch piece according to claim 1, is characterized in that: in the sixth step, the height of the flanging of the workpiece is 5mm, the flanging position is in a vertical state, and the maximum diameter of the workpiece after flanging is 107.8 mm.
8. The novel process for the mouth flanging stretch piece according to claim 1, is characterized in that: and the position of the waste cutting operation on the workpiece in the step seven is at the edge of the workpiece, and the cutting diameter is larger than the maximum diameter of the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010217414.5A CN111390020A (en) | 2020-03-25 | 2020-03-25 | Novel process for mouth part with flanging stretching piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010217414.5A CN111390020A (en) | 2020-03-25 | 2020-03-25 | Novel process for mouth part with flanging stretching piece |
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| Publication Number | Publication Date |
|---|---|
| CN111390020A true CN111390020A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010217414.5A Pending CN111390020A (en) | 2020-03-25 | 2020-03-25 | Novel process for mouth part with flanging stretching piece |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000733A (en) * | 2010-09-27 | 2011-04-06 | 昌辉(上海)科技集团股份有限公司 | Production process for flanging and necking deep-drawing products |
| CN108213190A (en) * | 2018-01-08 | 2018-06-29 | 伟业精密科技（惠州）有限公司 | Air-cushion inflator housing stretch forming process |
| CN109226570A (en) * | 2018-08-16 | 2019-01-18 | 中山市金中电热科技有限公司 | Electric pressure cooking saucepan stainless steel inner container production technology |
| WO2020023884A1 (en) * | 2018-07-27 | 2020-01-30 | Continental Powertrain USA, LLC | Multi-dimple orifice disc for a fluid injector, and methods for constructing and utilizing same |
| CN212494875U (en) * | 2020-03-31 | 2021-02-09 | 伟业精密科技（惠州）有限公司 | Device for forming stretching side hole of safety air bag gas generator shell |
-
2020
- 2020-03-25 CN CN202010217414.5A patent/CN111390020A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000733A (en) * | 2010-09-27 | 2011-04-06 | 昌辉(上海)科技集团股份有限公司 | Production process for flanging and necking deep-drawing products |
| CN108213190A (en) * | 2018-01-08 | 2018-06-29 | 伟业精密科技（惠州）有限公司 | Air-cushion inflator housing stretch forming process |
| WO2020023884A1 (en) * | 2018-07-27 | 2020-01-30 | Continental Powertrain USA, LLC | Multi-dimple orifice disc for a fluid injector, and methods for constructing and utilizing same |
| CN109226570A (en) * | 2018-08-16 | 2019-01-18 | 中山市金中电热科技有限公司 | Electric pressure cooking saucepan stainless steel inner container production technology |
| CN212494875U (en) * | 2020-03-31 | 2021-02-09 | 伟业精密科技（惠州）有限公司 | Device for forming stretching side hole of safety air bag gas generator shell |
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Application publication date: 20200710 |