CN110712013A - Cold stamping production process for automobile bent pipe beam - Google Patents
Cold stamping production process for automobile bent pipe beam Download PDFInfo
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- CN110712013A CN110712013A CN201911144998.1A CN201911144998A CN110712013A CN 110712013 A CN110712013 A CN 110712013A CN 201911144998 A CN201911144998 A CN 201911144998A CN 110712013 A CN110712013 A CN 110712013A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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Abstract
The invention relates to the technical field of automobile part processing, in particular to an automobile bent pipe beam cold stamping production process, which comprises the following operation process flows: 1. blanking; 2. milling holes; 3. bending and forming; 4. first shaping; 5. trimming; 6. second shaping; 7. the processing technology is adopted, after blanking, two process positioning holes are firstly milled on the workpiece, the positioning accuracy of the workpiece is improved, the shape and size consistency of products are good, the production investment is low, blanking is carried out according to the expansion size of the automobile bent pipe beam, the material utilization rate is high, shaping and shearing are carried out on a punch press or a hydraulic press, the labor intensity of workers is low, the automobile part processing efficiency is improved, the automobile part processing cost is reduced, the production period is short, welding point positions and assembly of a subsequent process are facilitated, and the processing technology has popularization and application values.
Description
Technical Field
The invention relates to the technical field of automobile part processing, in particular to a cold stamping production process for an automobile bent pipe beam.
Background
At present, in the production of bent pipe beams, one mode is to adopt a manual liquid feeding press to manually operate drilling and beating for forming, the other mode is to adopt a simple die for production, the process is simple, potential safety hazards exist in manual operation and processing, the produced parts are poor in shape and size consistency, the installation is difficult, the width of a welding seam is inconsistent, the subsequent welding quality is affected, the product quality is unstable, the safety is poor, the labor intensity of workers is high, the production efficiency is low, and the cost is high.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a cold stamping production process for an automobile bent pipe beam, which solves the problems that the safety hazards exist in manual operation and processing, the produced parts are poor in consistency of shapes and sizes, so that the installation is difficult, the widths of welding seams are inconsistent, the subsequent welding quality is influenced, the product quality is unstable, the safety is poor, the labor intensity of workers is high, the production efficiency is low, and the cost is high.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a cold stamping production process for an automobile bent pipe beam comprises the following process steps:
the method comprises the following steps: blanking: fixing the pipe material on a horizontal band sawing machine, and sawing the pipe material into pipe materials with fixed sizes by using the horizontal band sawing machine;
step two: hole milling: designing and manufacturing a special clamp according to the size of the automobile bent pipe beam, fixing a workpiece on a numerical control machine tool, and milling two process positioning holes in the workpiece through the numerical control machine tool after clamping;
step three: bending and forming: designing and manufacturing a special bending die according to the size of the automobile bent pipe beam, fixing a workpiece on a punch press or a hydraulic press, and bending and forming the workpiece with the milled holes in the second step on the punch press or the hydraulic press;
step four: first shaping: designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, fixing a workpiece on a punch press or a hydraulic press, and shaping and processing the workpiece bent in the third step on the punch press or the hydraulic press;
step five: trimming: designing and manufacturing a special trimming die according to the size of the automobile bent pipe beam, fixing a workpiece on a punch press or a hydraulic press, and trimming the workpiece shaped in the fourth step on the punch press or the hydraulic press;
step six: and (3) second shaping: designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, fixing the workpiece on a punch or a hydraulic press, and shaping and processing the workpiece subjected to trimming in the fifth step on the punch or the hydraulic press;
step seven: side punching: designing and manufacturing a special side punching die according to the size of the automobile bent pipe beam, fixing the workpiece on a punch press or a hydraulic press, and performing side punching on the shaped workpiece in the sixth step on the punch press or the hydraulic press.
The first shaping in the fourth step comprises a first shaping and a second shaping;
the shaping step one: designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, and shaping and processing a bent workpiece on a punch press or a hydraulic press;
and the second shaping: and designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, and carrying out secondary shaping processing on the workpiece shaped in the previous step on a punch press or a hydraulic press.
The edge shearing in the fifth step comprises a first edge shearing and a second edge shearing;
the first trimming edge is as follows: designing and manufacturing a special trimming die according to the size of the automobile bent pipe beam, and trimming the reshaped workpiece on a punch press or a hydraulic press;
the second trimming edge: designing and manufacturing a special trimming die according to the size of the automobile elbow beam, and performing secondary trimming processing on the trimmed workpiece on a punch press or a hydraulic press.
In the first step, the pipe material corresponding to the size is determined according to the size of the unfolded automobile bent pipe beam, and then the pipe material is cut according to the size.
In the first step, the pipe material is fixed on a horizontal band sawing machine, and burrs are removed from two ends of the blanked pipe material by using an angle grinder.
(III) advantageous effects
The invention provides a cold stamping production process for an automobile bent pipe beam. The method has the following beneficial effects:
by adopting the processing technology, two process positioning holes are firstly milled on the workpiece after blanking, the positioning accuracy of the workpiece is improved, the shape and size consistency of products are good, the production investment is less, blanking is carried out according to the expansion size of the automobile bent pipe beam, the material utilization rate is high, shaping and shearing are carried out on a punch press or a hydraulic press, the labor intensity of workers is low, the processing efficiency of automobile parts is improved, the processing cost of the automobile parts is reduced, the production period is short, welding point positions and assembly of the subsequent process are facilitated, and the processing technology has popularization and application values.
Drawings
FIG. 1 is a process flow diagram 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.
As shown in fig. 1, the present invention provides a technical solution: a cold stamping production process for an automobile bent pipe beam comprises the following process steps:
the method comprises the following steps: blanking: fixing the pipe material on a horizontal band sawing machine, and sawing the pipe material into pipe materials with fixed sizes by using the horizontal band sawing machine;
step two: hole milling: designing and manufacturing a special clamp according to the size of the automobile bent pipe beam, fixing a workpiece on a numerical control machine tool, and milling two process positioning holes in the workpiece through the numerical control machine tool after clamping;
step three: bending and forming: designing and manufacturing a special bending die according to the size of the automobile bent pipe beam, fixing a workpiece on a punch press or a hydraulic press, and bending and forming the workpiece with the milled holes in the second step on the punch press or the hydraulic press;
step four: first shaping: designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, fixing a workpiece on a punch press or a hydraulic press, and shaping and processing the workpiece bent in the third step on the punch press or the hydraulic press;
step five: trimming: designing and manufacturing a special trimming die according to the size of the automobile bent pipe beam, fixing a workpiece on a punch press or a hydraulic press, and trimming the workpiece shaped in the fourth step on the punch press or the hydraulic press;
step six: and (3) second shaping: designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, fixing the workpiece on a punch or a hydraulic press, and shaping and processing the workpiece subjected to trimming in the fifth step on the punch or the hydraulic press;
step seven: side punching: designing and manufacturing a special side punching die according to the size of the automobile bent pipe beam, fixing the workpiece on a punch press or a hydraulic press, and performing side punching on the shaped workpiece in the sixth step on the punch press or the hydraulic press.
Preferably, the first shaping in the fourth step includes a first shaping and a second shaping;
the shaping step one: designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, and shaping and processing a bent workpiece on a punch press or a hydraulic press;
and the second shaping: and designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, and carrying out secondary shaping processing on the workpiece shaped in the previous step on a punch press or a hydraulic press.
Preferably, the trimming in the fifth step includes a trimming one and a trimming two;
the first trimming edge is as follows: designing and manufacturing a special trimming die according to the size of the automobile bent pipe beam, and trimming the reshaped workpiece on a punch press or a hydraulic press;
the second trimming edge: designing and manufacturing a special trimming die according to the size of the automobile elbow beam, and performing secondary trimming processing on the trimmed workpiece on a punch press or a hydraulic press.
Preferably, in the first step, a pipe material corresponding to the size is determined according to the size of the automobile bent pipe beam, and then the pipe material is cut according to the size.
Preferably, in the first step, the tube is fixed on a horizontal band sawing machine, and burrs are removed from two ends of the tube after blanking by an angle grinder.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A cold stamping production process for an automobile bent pipe beam is characterized by comprising the following steps: the cold stamping production process of the automobile bent pipe beam comprises the following steps:
the method comprises the following steps: blanking: fixing the pipe material on a horizontal band sawing machine, and sawing the pipe material into pipe materials with fixed sizes by using the horizontal band sawing machine;
step two: hole milling: designing and manufacturing a special clamp according to the size of the automobile bent pipe beam, fixing a workpiece on a numerical control machine tool, and milling two process positioning holes in the workpiece through the numerical control machine tool after clamping;
step three: bending and forming: designing and manufacturing a special bending die according to the size of the automobile bent pipe beam, fixing a workpiece on a punch press or a hydraulic press, and bending and forming the workpiece with the milled holes in the second step on the punch press or the hydraulic press;
step four: first shaping: designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, fixing a workpiece on a punch press or a hydraulic press, and shaping and processing the workpiece bent in the third step on the punch press or the hydraulic press;
step five: trimming: designing and manufacturing a special trimming die according to the size of the automobile bent pipe beam, fixing a workpiece on a punch press or a hydraulic press, and trimming the workpiece shaped in the fourth step on the punch press or the hydraulic press;
step six: and (3) second shaping: designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, fixing the workpiece on a punch or a hydraulic press, and shaping and processing the workpiece subjected to trimming in the fifth step on the punch or the hydraulic press;
step seven: side punching: designing and manufacturing a special side punching die according to the size of the automobile bent pipe beam, fixing the workpiece on a punch press or a hydraulic press, and performing side punching on the shaped workpiece in the sixth step on the punch press or the hydraulic press.
2. The cold stamping production process of the automobile elbow beam according to claim 1 is characterized in that: the first shaping in the fourth step comprises a first shaping and a second shaping;
the shaping step one: designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, and shaping and processing a bent workpiece on a punch press or a hydraulic press;
and the second shaping: and designing and manufacturing a special shaping die according to the size of the automobile bent pipe beam, and carrying out secondary shaping processing on the workpiece shaped in the previous step on a punch press or a hydraulic press.
3. The cold stamping production process of the automobile elbow beam according to claim 1 is characterized in that: the edge shearing in the fifth step comprises a first edge shearing and a second edge shearing;
the first trimming edge is as follows: designing and manufacturing a special trimming die according to the size of the automobile bent pipe beam, and trimming the reshaped workpiece on a punch press or a hydraulic press;
the second trimming edge: designing and manufacturing a special trimming die according to the size of the automobile elbow beam, and performing secondary trimming processing on the trimmed workpiece on a punch press or a hydraulic press.
4. The cold stamping production process of the automobile elbow beam according to claim 1 is characterized in that: in the first step, the pipe material corresponding to the size is determined according to the size of the unfolded automobile bent pipe beam, and then the pipe material is cut according to the size.
5. The cold stamping production process of the automobile elbow beam according to claim 1 is characterized in that: in the first step, the pipe material is fixed on a horizontal band sawing machine, and burrs are removed from two ends of the blanked pipe material by using an angle grinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144998.1A CN110712013A (en) | 2019-11-21 | 2019-11-21 | Cold stamping production process for automobile bent pipe beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911144998.1A CN110712013A (en) | 2019-11-21 | 2019-11-21 | Cold stamping production process for automobile bent pipe beam |
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| Publication Number | Publication Date |
|---|---|
| CN110712013A true CN110712013A (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911144998.1A Pending CN110712013A (en) | 2019-11-21 | 2019-11-21 | Cold stamping production process for automobile bent pipe beam |
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| CN (1) | CN110712013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102947A (en) * | 2021-04-12 | 2021-07-13 | 安徽金路车辆制造有限公司 | Passenger car tubular beam piece and machining method thereof |
-
2019
- 2019-11-21 CN CN201911144998.1A patent/CN110712013A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113102947A (en) * | 2021-04-12 | 2021-07-13 | 安徽金路车辆制造有限公司 | Passenger car tubular beam piece and machining method thereof |
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Application publication date: 20200121 |
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| WD01 | Invention patent application deemed withdrawn after publication |