CN113770650A - Manual manufacturing method of sheet metal part - Google Patents
Manual manufacturing method of sheet metal part Download PDFInfo
- Publication number
- CN113770650A CN113770650A CN202111058941.7A CN202111058941A CN113770650A CN 113770650 A CN113770650 A CN 113770650A CN 202111058941 A CN202111058941 A CN 202111058941A CN 113770650 A CN113770650 A CN 113770650A
- Authority
- CN
- China
- Prior art keywords
- sheet metal
- metal part
- manufacturing
- blank
- positioning clamping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
Abstract
The invention provides a manual manufacturing method of a sheet metal part, which comprises the following steps: step S1: manufacturing a blank according to the designed sheet metal part; step S2: analyzing a digital-to-analog diagram of the sheet metal part, intercepting the cross-sectional characteristics of a plurality of parts on the sheet metal part according to a certain direction, then displaying each cross-sectional characteristic in a plane graph, and manufacturing a corresponding positioning clamping plate according to each plane graph; step S3: respectively arranging the positioning clamping plates at set positions on a blank material, arranging a plate on the blank material, and then polishing and finishing the plate and the blank material to form a stacking model consistent with the outline of the sheet metal part; step S4: and taking down each positioning clamping plate, and opening and trimming the piled model. The invention can better realize the manual manufacturing of the sheet metal part, and simultaneously, the positioning clamping plate can better ensure the manufacturing precision during the manual manufacturing, thereby saving the cost for manufacturing the die at the initial stage of product development and effectively reducing the cost.
Description
Technical Field
The invention belongs to the field of automobile part manufacturing, and particularly relates to a manual manufacturing method of a sheet metal part.
Background
The vehicle body is an important part of the whole vehicle and bears all parts of the whole vehicle. In the product design verification stage at the initial stage of new vehicle type development, a certain vehicle body sheet metal part cannot be provided with a mold due to the fact that a product is unshaped, and the vehicle body sheet metal part needs to be manually manufactured into a finished part. Therefore, how to realize the production of these vehicle body sheet metal parts becomes a technical problem which needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a manual manufacturing method of a sheet metal part, which aims to solve the technical problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a manual manufacturing method of a sheet metal part comprises the following steps:
step S1: manufacturing a blank according to the designed sheet metal part;
step S2: analyzing a digital-to-analog diagram of the sheet metal part, intercepting the cross-sectional characteristics of a plurality of parts on the sheet metal part according to a certain direction, then displaying each cross-sectional characteristic in a plane graph, and manufacturing a corresponding positioning clamping plate according to each plane graph;
step S3: respectively arranging the positioning clamping plates at set positions on a blank material, arranging a plate on the blank material, and then polishing and finishing the plate and the blank material to form a stacking model consistent with the outline of the sheet metal part;
step S4: and taking down each positioning clamping plate, and opening and trimming the piled model.
Preferably, in step S3, when the sheet material is set on the blank, the sheet material designated on the numerical diagram of the sheet metal part is selected, lofting and blanking are performed according to the radian and the arc surface of the outer profile of the sheet metal part, and then the sheet material is set on the outer profile of the blank.
Preferably, the sheet material is spot welded to the outer profile of the blank.
Preferably, the grinding and finishing of the sheet material and the blank specifically comprises: hammering the sheet material so that the sheet material is formed on the blanks and trimming the sheet material and blanks to form the lay-up pattern.
Preferably, the heating device is used to heat the plate until the plate is heated to a certain temperature before hammering the plate.
Preferably, the heating device is an oxyacetylene heating device.
Preferably, in step S2, the certain direction is a length direction of the sheet metal part.
Preferably, according to each plane figure, the steel plate is processed by adopting laser cutting equipment, and the positioning clamping plates corresponding to the plane figures one to one are manufactured.
The invention has the beneficial effects that:
the invention discloses a manual manufacturing method of a sheet metal part, which comprises the following steps: manufacturing a blank according to the designed sheet metal part; analyzing a digital-to-analog diagram of the sheet metal part, intercepting the cross-sectional characteristics of a plurality of parts on the sheet metal part according to a certain direction, then displaying each cross-sectional characteristic in a plane graph, and manufacturing a corresponding positioning clamping plate according to each plane graph; respectively arranging the positioning clamping plates at set positions on a blank material, arranging a plate on the blank material, and then polishing and finishing the plate and the blank material to form a stacking model consistent with the outline of the sheet metal part; and taking down each positioning clamping plate, and opening and trimming the piled model. Therefore, the invention better realizes the manual manufacturing of the sheet metal part, and simultaneously can better ensure the manufacturing precision during the manual manufacturing by utilizing the positioning clamping plate, thereby saving the cost for manufacturing the die at the initial stage of product development and effectively reducing the cost.
Drawings
In order to more clearly describe the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and the embodiments of the present invention will be further described in detail with reference to the drawings, wherein
Fig. 1 is a flow chart of a sheet metal part manual manufacturing method provided by an embodiment of the invention;
fig. 2 is a schematic view of a sheet metal part provided in an embodiment of the present invention;
FIG. 3 is a schematic view of a blank according to an embodiment of the present invention;
FIG. 4 is a schematic view of a first positioning card according to an embodiment of the present invention;
FIG. 5 is a schematic view of a second positioning card according to an embodiment of the present invention;
FIG. 6 is a schematic view of a third positioning card according to an embodiment of the present invention;
FIG. 7 is a schematic view of a fourth positioning card according to an embodiment of the present invention;
FIG. 8 is a schematic view of positioning clips disposed on a blank according to an embodiment of the present invention;
FIG. 9 is a schematic view of a sheet material formed on a blank according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a tiling model provided by an embodiment of the present invention.
In the drawings, the reference numbers:
11. a first positioning clamping plate 12, a second positioning clamping plate 13 and a third positioning clamping plate
14. Fourth positioning clamping plate
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description will be provided with reference to specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides a manual manufacturing method of a sheet metal part, which includes the following steps:
step S1: manufacturing a blank according to the designed sheet metal part;
step S2: analyzing a digital-to-analog diagram of the sheet metal part, intercepting the cross-sectional characteristics of a plurality of parts on the sheet metal part according to a certain direction, then displaying each cross-sectional characteristic in a plane graph, and manufacturing a corresponding positioning clamping plate according to each plane graph;
step S3: respectively arranging the positioning clamping plates at set positions on a blank material, arranging a plate on the blank material, and then polishing and finishing the plate and the blank material to form a stacking model consistent with the outline of the sheet metal part;
step S4: and taking down each positioning clamping plate, and opening and trimming the piled model.
The manual manufacturing method of the sheet metal part provided by the embodiment of the invention comprises the following steps: manufacturing a blank according to the designed sheet metal part; analyzing a digital-to-analog diagram of the sheet metal part, intercepting the cross-sectional characteristics of a plurality of parts on the sheet metal part according to a certain direction, then displaying each cross-sectional characteristic in a plane graph, and manufacturing a corresponding positioning clamping plate according to each plane graph; respectively arranging the positioning clamping plates at set positions on a blank material, arranging a plate on the blank material, and then polishing and finishing the plate and the blank material to form a stacking model consistent with the outline of the sheet metal part; and taking down each positioning clamping plate, and opening and trimming the piled model. Therefore, the invention better realizes the manual manufacturing of the sheet metal part, and simultaneously can better ensure the manufacturing precision during the manual manufacturing by utilizing the positioning clamping plate, thereby saving the cost for manufacturing the die at the initial stage of product development and effectively reducing the cost.
Further, in step S3, when the sheet material is set on the blank, the sheet material designated on the digital graph of the sheet metal part is selected, lofting and blanking are performed according to the radian and the arc surface of the outer profile of the sheet metal part, and then the sheet material is set on the outer profile of the blank.
It may be preferred that the sheet material is spot welded to the outer profile of the blank.
Further, the grinding and trimming of the sheet material and the blank specifically comprises: and hammering the plate to form the plate on the blank, and trimming the plate and the blank to form the stacking model, so that tailor welding is avoided, and welding deformation is effectively reduced.
Specifically, before hammering the plate, the plate is heated by using a heating device until the plate is heated to a certain temperature. Adopt this scheme, under the effect of plate expansion with heat and shrinkage for panel is easily beaten the shaping after being heated, and when the temperature of panel after the shaping reduced, the plate of wrapping up in outside blank material can closely laminate with blank material and become an organic whole, and this moment this sheet metal component's intensity is great, and intensity loss is less.
It may be preferred that the heating device is an oxyacetylene heating device. It is to be understood that the oxyacetylene heating apparatus is a conventional apparatus in the art and will not be described in detail herein.
Further, in step S2, the certain direction is a longitudinal direction of the sheet metal part. It can be understood that the feature can be cut along the width direction or the height direction of the sheet metal part according to the specific structure of the sheet metal part.
Specifically, according to each plane figure, a laser cutting device is adopted to process the steel plate, and the positioning clamping plates corresponding to the plane figures one by one are manufactured.
Before the sheet metal part is manufactured, a manufacturing scheme can be determined: and (3) according to the design requirements on the digital-analog drawing of the sheet metal part, confirming the maximum volume and the basic surface characteristics of the sheet metal part, and selecting the thickness and the number of the single plates for the piled sheet materials according to the number of the characteristics and the difficulty degree of manufacturing the characteristics. According to the length, width and height of the sheet metal part, the sheet materials are selected to manufacture the manufacturing standard, the manufacturing standard is equivalent to the standard material of a simple die, different holes are preferably formed in the different selected sheet materials, the positions of the holes formed in each sheet material are different, and the sheet materials are connected in a plug welding mode. The method of stacking and forming the plates and the blank avoids the cost waste when cast iron is directly formed, local materials are obtained, the manufacturing is convenient, and the later cutting and processing are simpler.
According to the contour of the sheet metal part, the section characteristics of different parts are intercepted, the characteristics can be intercepted according to the sequence of a numerical diagram, from left to right, from top to bottom and from front to back during interception, and the interception can be preferably carried out from top to bottom so as to facilitate the production from top to bottom; all the features of all the directions are required to be included during intercepting, so that the phenomenon that the feature is missing in the later period and inconsistent with a drawing is avoided, and all the directions of important or complex features are required to be intercepted simultaneously, so that the completeness of the features is ensured.
According to the manufacturing method of the contour depth analysis model of the sheet metal part, plates with different areas and different thicknesses are cut according to the size of the gap between the positioning clamping plates and stacked on the rough blank, and the arrangement position of the positioning clamping plates is determined according to the cutting position.
In a specific embodiment provided by the present invention, as shown in fig. 2, a sheet metal part is first manufactured into a blank according to the peripheral dimension of the sheet metal part, as shown in fig. 3; the digifax chart of this sheet metal component of analysis, by preceding direction to back, with the cross-sectional feature of a plurality of positions on the plane intercepting sheet metal component of being on a parallel with vertical face, then make respectively and fix a position the cardboard such as first location cardboard 11 shown in fig. 4, second location cardboard 12 shown in fig. 5, third location cardboard 13 shown in fig. 6, fourth location cardboard 14 shown in fig. 7. And (3) respectively clamping the positioning clamping plates at corresponding positions of the blank to position, as shown in fig. 8, then selecting a required plate to stack on the blank, grinding and trimming to form a stacking model, as shown in fig. 9 and 10, then taking down the positioning clamping plates, and carrying out hole opening and trimming treatment on the stacking model to finish the manufacturing of the sheet metal part. Wherein, when piling up different panel on the blank, polish and repairment formation pile model, specifically include: the method comprises the steps of selecting a plate required on a digital-to-analog diagram of the sheet metal part, lofting and blanking according to the radian and the cambered surface of the outer surface of the sheet metal part, spot-welding the plate which is well blanked in the lofting on the outer surface of a rough blank, heating the plate by using oxygen and acetylene equipment, and hammering the plate when the plate is burned red, so that the plate is formed on the rough blank to form a stacking model, wherein the appearance contour of the stacking model is consistent with that of the sheet metal part.
The special positioning clamping plate is adopted when the sheet metal part is manufactured, so that the size precision of the sheet metal part is easy to control, and the manufacturing size of the sheet metal part is ensured; meanwhile, splice welding is not needed, and welding defects and welding deformation are avoided; in addition, the invention better controls the stress concentration, improves the strength of the sheet metal part, saves the cost for manufacturing the die at the initial stage of product development and saves the cost.
The above are only preferred embodiments of the present invention, it should be noted that these examples are only for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope of the claims appended to the present application.
Claims (8)
1. A manual manufacturing method of a sheet metal part is characterized by comprising the following steps:
step S1: manufacturing a blank according to the designed sheet metal part;
step S2: analyzing a digital-to-analog diagram of the sheet metal part, intercepting the cross-sectional characteristics of a plurality of parts on the sheet metal part according to a certain direction, then displaying each cross-sectional characteristic in a plane graph, and manufacturing a corresponding positioning clamping plate according to each plane graph;
step S3: respectively arranging the positioning clamping plates at set positions on a blank material, arranging a plate on the blank material, and then polishing and finishing the plate and the blank material to form a stacking model consistent with the outline of the sheet metal part;
step S4: and taking down each positioning clamping plate, and opening and trimming the piled model.
2. The manual sheet metal part manufacturing method according to claim 1, wherein in step S3, when the sheet material is set on the blank, the sheet material designated on the numerical diagram of the sheet metal part is selected, lofting and blanking are performed according to the radian and the arc surface of the outer profile of the sheet metal part, and then the sheet material is set on the outer profile of the blank.
3. A method of handwork of sheet metal parts according to claim 2, characterised in that the sheet material is spot welded to the outer profile of the blank.
4. The manual sheet metal part manufacturing method according to claim 2, wherein the grinding and trimming of the sheet material and the blank specifically comprises: hammering the sheet material so that the sheet material is formed on the blanks and trimming the sheet material and blanks to form the lay-up pattern.
5. The method of claim 4, wherein the sheet metal part is heated by a heating device until the sheet metal part is heated to a temperature before hammering the sheet metal part.
6. The manual sheet metal part manufacturing method according to claim 5, wherein the heating device is an oxyacetylene heating device.
7. The manual sheet metal part making method according to claim 1, wherein in step S2, the certain direction is a length direction of the sheet metal part.
8. The manual manufacturing method of the sheet metal part as claimed in any one of claims 1 to 7, wherein according to each plane figure, a laser cutting device is adopted to process the steel plate to manufacture the positioning clamping plates corresponding to each plane figure one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058941.7A CN113770650B (en) | 2021-09-08 | 2021-09-08 | Manual manufacturing method of sheet metal part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058941.7A CN113770650B (en) | 2021-09-08 | 2021-09-08 | Manual manufacturing method of sheet metal part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113770650A true CN113770650A (en) | 2021-12-10 |
| CN113770650B CN113770650B (en) | 2022-07-15 |
Family
ID=78842240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111058941.7A Active CN113770650B (en) | 2021-09-08 | 2021-09-08 | Manual manufacturing method of sheet metal part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113770650B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156435A (en) * | 2010-12-03 | 2011-08-17 | 天津天汽模车身装备技术有限公司 | Manufacturing method of check blocks for detecting automobile sheet metal parts |
| CN103587586A (en) * | 2012-08-15 | 2014-02-19 | 北汽福田汽车股份有限公司 | Connecting structure for automotive top cover plate and side panel and automobile |
| CN105196003A (en) * | 2015-10-26 | 2015-12-30 | 桂林风范装饰工程有限公司 | Sheet metal part machining technology |
| CN105257364A (en) * | 2015-10-13 | 2016-01-20 | 哈尔滨东安汽车发动机制造有限公司 | Manufacturing method for metal plate oil pan handwork part |
| CN106363135A (en) * | 2016-10-24 | 2017-02-01 | 新兴重工湖北三六机械有限公司 | Core head forming method of manual core making |
| CN108262592A (en) * | 2017-10-10 | 2018-07-10 | 湖北江山专用汽车有限公司 | The manufacturing process of steel automobile mud guard |
| CN110788164A (en) * | 2019-11-20 | 2020-02-14 | 四川航天长征装备制造有限公司 | Using method of manual shape correction die |
-
2021
- 2021-09-08 CN CN202111058941.7A patent/CN113770650B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156435A (en) * | 2010-12-03 | 2011-08-17 | 天津天汽模车身装备技术有限公司 | Manufacturing method of check blocks for detecting automobile sheet metal parts |
| CN103587586A (en) * | 2012-08-15 | 2014-02-19 | 北汽福田汽车股份有限公司 | Connecting structure for automotive top cover plate and side panel and automobile |
| CN105257364A (en) * | 2015-10-13 | 2016-01-20 | 哈尔滨东安汽车发动机制造有限公司 | Manufacturing method for metal plate oil pan handwork part |
| CN105196003A (en) * | 2015-10-26 | 2015-12-30 | 桂林风范装饰工程有限公司 | Sheet metal part machining technology |
| CN106363135A (en) * | 2016-10-24 | 2017-02-01 | 新兴重工湖北三六机械有限公司 | Core head forming method of manual core making |
| CN108262592A (en) * | 2017-10-10 | 2018-07-10 | 湖北江山专用汽车有限公司 | The manufacturing process of steel automobile mud guard |
| CN110788164A (en) * | 2019-11-20 | 2020-02-14 | 四川航天长征装备制造有限公司 | Using method of manual shape correction die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113770650B (en) | 2022-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3685961B2 (en) | Molding press | |
| CN103818608B (en) | Five layers of bead structure of small-sized three pieces irregular can and its curling and sealing method | |
| CN107234174A (en) | The forming process of automobile longitudinal girder | |
| CN113770650B (en) | Manual manufacturing method of sheet metal part | |
| US5398572A (en) | Press die assembly and method for producing the same | |
| CN109570359B (en) | Drawing male die, drawing die and drawing process | |
| JPS6139131B2 (en) | ||
| JPS60154823A (en) | Method and device for press forming | |
| CN114065411A (en) | Method for creating drawing pressure surface based on parameterized mesh surface | |
| JPH03114620A (en) | Die for press | |
| CN101428323A (en) | Stainless steel car body roof plate punching process | |
| CN109194053A (en) | A kind of rotor punching processing technology | |
| US2025922A (en) | Method for the production of fusion-welded hollow bodies | |
| CN112007970A (en) | Process method for controlling shaping quality of B column side of back door outer plate | |
| CN112828118B (en) | Control method for wrinkling phenomenon of part with convex curved edge characteristic during rubber bag forming | |
| CN110712359A (en) | Battery shell, forming method thereof and stamping device | |
| CN104209698B (en) | Manufacturing method for bucket of underground carry scraper | |
| CN114589264B (en) | Machining system and machining method of thin-wall austenitic stainless steel seal head | |
| CN201756139U (en) | Automobile sidewall outer plate with partitioning structure | |
| JPH07290182A (en) | Press forming method and device therefor | |
| US6843088B1 (en) | Raised surface features for hot blow-forming tooling | |
| JP4575566B2 (en) | Press molding die and method of preventing inflow of work using the press molding die | |
| CN114453518B (en) | Manufacturing method of die for opening-shaped closed automobile covering part | |
| KR20210049334A (en) | Method for pressing automotive fender panels by fusing laser cutting | |
| CN110757101A (en) | Production process of elliptical seal head and dish-shaped seal head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |