CN112692163A - Hump stamping device and method for hump tube - Google Patents
Hump stamping device and method for hump tube Download PDFInfo
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- CN112692163A CN112692163A CN202011336604.5A CN202011336604A CN112692163A CN 112692163 A CN112692163 A CN 112692163A CN 202011336604 A CN202011336604 A CN 202011336604A CN 112692163 A CN112692163 A CN 112692163A
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- hump
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- upper die
- shaping
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Abstract
The invention discloses a hump stamping device and a stamping method of a hump pipe, wherein the stamping device comprises a hump forming component and a hump shaping component, the hump forming component is used for realizing a hump forming process, and the hump shaping component is used for carrying out a hump shaping process on a formed hump; the stamping method comprises the steps of blanking, rolling, welding, grinding and polishing, hump forming and hump shaping; the stamping method is processed and manufactured by a hardware stamping die, so that the stamping speed and efficiency are greatly improved, and a product can be produced within 30 seconds; the process is characterized in that the inner surface and the outer surface are in contact with the whole surface, so that the product profile degree and the product roundness can be ensured; the process can be formed at one time, and the thinning rate of the product is greatly reduced.
Description
Technical Field
The invention relates to the technical field of automobile exhaust hump pipe stamping equipment, in particular to a hump stamping device and a hump stamping method for a hump pipe.
Background
The automobile exhaust system mainly discharges the exhaust gas discharged by the working of an engine, and simultaneously reduces the pollution and the noise of the discharged exhaust gas. Hump tubes are often used in automotive exhaust applications.
However, in the prior art, the hump forming is formed by utilizing roll forming, and the roll forming material is not protected and is completely in natural deformation forming; the existing process has low production speed and low efficiency, and one product is produced in 2 minutes; the rolling forming is repeated rolling for a plurality of times in point contact, the thinning is about 30 percent, and the roundness and the profile degree are unstable; the high thinning rate results in poor product strength.
Therefore, the hump stamping device and the hump stamping method for the hump tube are provided to solve the problems in the prior art and have important significance for application of the hump tube.
Disclosure of Invention
The invention aims to provide a hump stamping device and a stamping method of a hump pipe, which aim to solve the problems that in the prior art, hump forming is realized by utilizing roll forming, and roll forming materials are not protected and are completely in natural deformation forming; the existing process has low production speed and low efficiency, and one product is produced in 2 minutes; the rolling forming is repeated rolling for a plurality of times in point contact, the thinning is about 30 percent, and the roundness and the profile degree are unstable; the high thinning rate leads to the problem of poor product strength.
In order to achieve the purpose, the invention provides the following technical scheme:
a hump stamping device of a hump pipe comprises a hump forming component and a hump shaping component, wherein the hump forming component is used for realizing a hump forming process, and the hump shaping component is used for carrying out a hump shaping process on a formed hump.
Preferably, the hump forming assembly comprises an upper template, a forming male, an inner positioning and a lower template, a product is arranged between the forming male and the inner positioning, and the outer sides of the forming male and the inner positioning are respectively provided with the upper template and the lower template.
Preferably, the top of the forming male part and the bottom of the inner positioning part are respectively provided with an upper base plate and a lower base plate, the top of the upper base plate is provided with an upper die base, the bottom of the lower base plate is provided with a lower die base, and the bottom of the lower die base is connected with a lower supporting plate through lower pad feet.
Preferably, the hump shaping assembly comprises an upper die holder, an upper backing plate, an upper die insert block, a material pressing plate, an inner forming wedge, an outer forming wedge, a positioning plate and a lower backing plate;
the bottom of the upper die base is provided with an upper base plate, the bottoms of the upper die base and the upper base plate are respectively provided with an upper die inserting block, a group of bottoms of the upper die base and the upper base plate are provided with an inner forming wedge and an outer forming wedge which are clamped between the upper die inserting blocks, the inner forming wedge is arranged on the inner side of the outer forming wedge, a pressure plate is arranged above the inner forming wedge and the outer forming wedge, and a positioning plate is arranged at the bottoms of the inner forming wedge and the outer forming wedge.
Preferably, the bottom of the positioning plate is provided with a lower cushion plate, the bottom of the lower cushion plate is provided with a lower die base, and the bottom of the lower die base is connected with the lower supporting plate through lower cushion feet.
Preferably, go up the mould inserted block and be provided with two sets ofly, and every group go up the mould inserted block and be provided with two, about the axial symmetry.
The stamping method of the hump stamping device comprises the following steps:
101. blanking;
102. rolling;
103. welding, grinding and polishing;
104. forming a hump;
105. and (5) hump shaping.
Preferably, in the steps 104 and 105, the material and the volume of the hump part are the same.
Compared with the prior art, the invention has the following beneficial effects: the hump stamping method of the hump pipe is processed and manufactured by a hardware stamping die, so that the speed efficiency is greatly improved, and a product can be produced within 30 seconds; the process is characterized in that the inner surface and the outer surface of the product are in contact with each other, so that the product profile degree and the product roundness can be ensured; the process can be formed at one time, and the product thinning rate is greatly reduced.
Drawings
FIG. 1 is a schematic structural view of a hardware mold for hump forming according to the present invention;
FIG. 2 is a diagram illustrating the stamping process of the hump forming apparatus according to the present invention;
FIG. 3 is a schematic structural view of a hardware mold for hump shaping according to the present invention;
FIG. 4 is a die opening state diagram in the process of stamping and forming a product in the hump shaping process of the invention;
FIG. 5 is a diagram showing a mold closing state in the process of stamping and forming a product in the hump shaping process according to the present invention;
FIG. 6 is a flow chart of the operation of the stamping method of the present invention;
fig. 7 is a schematic view of a hump tube product manufactured by the method of the invention.
In the figure: 1. the forming die comprises an upper die base, 2, an upper backing plate, 3, an upper die plate, 4, a forming die, 5, a product, 6, an inner positioning part, 7, a lower die plate, 8, a lower backing plate, 9, a lower die base, 10, a lower backing foot, 11, a lower supporting plate, 12, an upper die inserting block, 13, a pressure plate, 14, an inner forming wedge, 15, an outer forming wedge, 16 and a positioning plate.
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. 2-5, the present invention provides a technical solution: a hump stamping device of a hump pipe comprises a hump forming component and a hump shaping component, wherein the hump forming component is used for realizing a hump forming process, and the hump shaping component is used for carrying out a hump shaping process on a formed hump.
The hump forming assembly comprises an upper die holder 1, an upper padding plate 2, an upper die plate 3, a forming male 4, a product 5, an inner positioning 6, a lower die plate 7, a lower padding plate 8, a lower die holder 9, a lower padding foot 10 and a lower supporting plate 11, wherein the product 5 is arranged between the forming male 4 and the inner positioning 6, the outer sides of the forming male 4 and the inner positioning 6 are respectively provided with the upper die plate 3 and the lower die plate 7, the top of the forming male 4 and the bottom of the inner positioning 6 are respectively provided with the upper padding plate 2 and the lower padding plate 8, the top of the upper padding plate 2 is provided with the upper die holder 1, the bottom of the lower padding plate 8 is provided with the lower die holder 9, the bottom of the lower die holder 9 is connected with the lower supporting plate 11 through the lower padding foot 10, the upper die holder 1, the upper padding plate 2, the lower die holder 9, the lower padding plate 10 and the lower supporting plate 11; the upper template 3 mainly plays a role in forming; the forming male part 4 mainly plays a role in positioning products; the inner positioning 6 mainly plays a role in positioning products; the lower template 7 mainly plays a role in forming; the set of die in the hump forming step is to protect the two ends of the product material from being clamped and not to change any change, the middle part (namely, the hump part) is formed in a natural state under the stamping force and the reaction force, when the die is completely closed, although the requirement of a drawing can not be met through the set of die, the hump has a blank shape, and in the whole process, the material is not influenced by the stretching force and the friction force, so that the controllability of the thinning rate of the material is ensured.
The hump shaping component comprises an upper die holder 1, an upper cushion plate 2, an upper die insert block 12, a pressure plate 13, an inner forming wedge 14, an outer forming wedge 15, a positioning plate 16, a lower cushion plate 8, a lower die holder 9, a lower cushion pin 10 and a lower support plate 11, wherein the upper cushion plate 2 is arranged at the bottom of the upper die holder 1, the upper die insert block 12 is arranged at the bottom of each of the upper die holder 1 and the upper cushion plate 2, the inner forming wedge 14 and the outer forming wedge 15 are clamped between a group of upper die insert blocks 12 at the bottoms of the upper die holder 1 and the upper cushion plate 2, the inner forming wedge 14 is arranged at the inner side of the outer forming wedge 15, the pressure plate 13 is arranged above the inner forming wedge 14 and the outer forming wedge 15, the positioning plate 16 is arranged at the bottoms of the inner forming wedge 14 and the outer forming wedge 15, the lower cushion plate 8 is arranged at the bottom of the positioning plate 16, the lower cushion plate 9 is arranged at the bottom of the lower cushion plate 8, the upper die base 1, the upper padding plate 2, the lower die base 9, the lower padding feet 10 and the lower supporting plate 11 are arranged in the die set, so that the die is fixed and erected conveniently, and the closing height of the die and the stroke height of a punch press are guaranteed; the main purpose of the upper die insert 12 here is to give the wedge a pushing force when the die is closed; the material pressing plate 13 mainly plays a material pressing role; the inner forming wedge 14 and the outer forming wedge 15 mainly shape the product in a closed state, and are mainly convenient for taking and placing the product in a reset state; the positioning plate 16 is mainly used for accurately positioning a product, when the die is slowly closed, the pressure plate 13 presses the product, the upper die insert block 12 contacts the inner forming wedge 14 and the outer forming wedge 15, the wedges respectively approach to the product, and the product is extruded and shaped under the action of thrust; the die set in the hump shaping step is used for simultaneously pushing and shaping a product from two directions, the product is not subjected to tensile deformation but is only subjected to a small part of extrusion, so that the thinning rate is not large and can be controlled below 12 percent, in addition, the inside of the product is subjected to deformation-preventing shaping, and the profile degree and the roundness of the product are easily ensured.
Further, go up mould inserted block 12 and be provided with two sets ofly, and go up mould inserted block 12 in every group and be provided with two, about the axial symmetry.
As shown in fig. 6 to 7, the method for stamping the hump stamping device includes the following steps:
101. blanking;
102. rolling;
103. welding, grinding and polishing;
104. forming a hump;
105. and (5) hump shaping.
In step 104 and step 105, the material and volume of the hump portion are the same.
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. A hump stamping device of a hump pipe is characterized by comprising a hump forming component and a hump shaping component, wherein the hump forming component is used for realizing a hump forming process, and the hump shaping component is used for carrying out a hump shaping process on a formed hump.
2. The hump stamping device of hump pipe according to claim 1, characterized in that the hump forming assembly comprises an upper template (3), a forming male (4), an inner positioning (6) and a lower template (7), the product (5) is arranged between the forming male (4) and the inner positioning (6), and the outer sides of the forming male (4) and the inner positioning (6) are respectively provided with the upper template (3) and the lower template (7).
3. The hump stamping device of hump pipe according to claim 2, characterized in that the top of shaping public (4) and the bottom of interior location (6) are provided with upper bolster (2) and lower bolster (8) respectively, upper bolster (2) top is provided with upper die base (1), lower bolster (8) bottom is provided with lower die base (9), and lower die base (9) bottom is connected with lower bolster (11) through lower bolster foot (10).
4. The hump stamping device of a hump pipe according to claim 1, characterized in that the hump shaping component comprises an upper die holder (1), an upper backing plate (2), an upper die insert block (12), a pressure plate (13), an inner forming wedge (14), an outer forming wedge (15), a positioning plate (16) and a lower backing plate (8);
the die comprises an upper die base (1), an upper base plate (2) is arranged at the bottom of the upper die base (1), upper die inserting blocks (12) are arranged at the bottoms of the upper die base (1) and the upper base plate (2), an inner forming wedge (14) and an outer forming wedge (15) are clamped between the upper die inserting blocks (12) at one group of the bottoms of the upper die base (1) and the upper base plate (2), the inner forming wedge (14) is arranged on the inner side of the outer forming wedge (15), a pressure plate (13) is arranged above the inner forming wedge (14) and the outer forming wedge (15), and a positioning plate (16) is arranged at the bottoms of the inner forming wedge (14) and the outer forming wedge (15).
5. The hump stamping device of hump pipe according to claim 4, characterized in that the bottom of locating plate (16) is provided with lower backing plate (8), the bottom of lower backing plate (8) is provided with lower die holder (9), and the bottom of lower die holder (9) is connected with lower supporting plate (11) through lower backing foot (10).
6. The hump stamping device of the hump pipe as claimed in claim 4, characterized in that: the upper die inserting blocks (12) are arranged in two groups, and each group is provided with two upper die inserting blocks (12) which are symmetrical about an axis.
7. The method for pressing the hump pressing device according to any one of claims 1 to 6, wherein: the method comprises the following steps:
101. blanking;
102. rolling;
103. welding, grinding and polishing;
104. forming a hump;
105. and (5) hump shaping.
8. The method of pressing a hump pressing device according to claim 7, characterized in that: in the steps 104 and 105, the material and volume of the hump part are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011336604.5A CN112692163A (en) | 2020-11-25 | 2020-11-25 | Hump stamping device and method for hump tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011336604.5A CN112692163A (en) | 2020-11-25 | 2020-11-25 | Hump stamping device and method for hump tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112692163A true CN112692163A (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011336604.5A Pending CN112692163A (en) | 2020-11-25 | 2020-11-25 | Hump stamping device and method for hump tube |
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| Country | Link |
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| CN (1) | CN112692163A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951451A (en) * | 2022-08-01 | 2022-08-30 | 成都市鸿侠科技有限责任公司 | Hot forming die |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081128A (en) * | 1993-07-30 | 1994-01-26 | 薛家耀 | The integral forming technique of motorcycle steel ring |
| CN101733317A (en) * | 2008-11-12 | 2010-06-16 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for flanging slant notch of cylindrical shell |
| CN111346975A (en) * | 2020-04-13 | 2020-06-30 | 长春智乐机械制造有限公司 | Internal stay forming die for stainless steel pipe machining |
| CN111672981A (en) * | 2020-06-15 | 2020-09-18 | 无锡威孚力达催化净化器有限责任公司 | Hump forming structure of automobile post-processing cylinder |
| CN211938676U (en) * | 2019-12-18 | 2020-11-17 | 永康市腾毅汽车模具有限公司 | Side anti-convex surface one shot forming mechanism |
-
2020
- 2020-11-25 CN CN202011336604.5A patent/CN112692163A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081128A (en) * | 1993-07-30 | 1994-01-26 | 薛家耀 | The integral forming technique of motorcycle steel ring |
| CN101733317A (en) * | 2008-11-12 | 2010-06-16 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for flanging slant notch of cylindrical shell |
| CN211938676U (en) * | 2019-12-18 | 2020-11-17 | 永康市腾毅汽车模具有限公司 | Side anti-convex surface one shot forming mechanism |
| CN111346975A (en) * | 2020-04-13 | 2020-06-30 | 长春智乐机械制造有限公司 | Internal stay forming die for stainless steel pipe machining |
| CN111672981A (en) * | 2020-06-15 | 2020-09-18 | 无锡威孚力达催化净化器有限责任公司 | Hump forming structure of automobile post-processing cylinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951451A (en) * | 2022-08-01 | 2022-08-30 | 成都市鸿侠科技有限责任公司 | Hot forming die |
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Application publication date: 20210423 |
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| RJ01 | Rejection of invention patent application after publication |