CN111730289A - Edge folding process of large-radius arc metal curtain wall plate - Google Patents
Edge folding process of large-radius arc metal curtain wall plate Download PDFInfo
- Publication number
- CN111730289A CN111730289A CN202010548173.2A CN202010548173A CN111730289A CN 111730289 A CN111730289 A CN 111730289A CN 202010548173 A CN202010548173 A CN 202010548173A CN 111730289 A CN111730289 A CN 111730289A
- Authority
- CN
- China
- Prior art keywords
- plate
- flanging
- flat plate
- metal curtain
- curtain wall
- 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.)
- Pending
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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a flanging process of a large-radius arc metal curtain wall plate, which relates to the technical field of metal curtain wall processing and comprises the steps of cutting a rectangular flat plate on a plate shearing machine according to the size requirement; slotting reserved flanging parts at two ends of the rectangular flat plate; sending the flat plate into an arc flanging machine to finish continuous arc flanging, and realizing simultaneous bending and flanging of the flat plate; the grooving line is perpendicular to the height direction of the board surface, and the height of the grooving line from the edge is the width of the folded edge. Compared with the prior art, the folded edge and the front decorative plate are integrated, and the structural strength of the product is ensured by the relative assembling and opening process; the folding process has the advantages that the folding lines are continuous and smooth, the folding positions do not need to be welded or polished, the continuity, the strength and the attractiveness of the whole structure are guaranteed, meanwhile, the process flow is reduced, the production efficiency is improved, and the labor cost is reduced.
Description
Technical Field
The invention relates to a flanging process of a large-radius arc metal curtain wall plate, belonging to the technical field of metal curtain wall processing.
Background
At present, a pillar or an eave for curtain wall decoration adopts a hyperbolic arc plate (as shown in fig. 4), and the upper end and the lower end of the pillar or the eave both need to be folded for installation of fixed corner connectors. When the radius is smaller (less than or equal to 1000 mm), the arc is subjected to edge folding processing, the inner side of the arc is easy to compress, and wrinkles are caused. The existing method mainly comprises two processes of carving, splicing and welding, and notch bending and welding, and then manual polishing and flattening are carried out.
The two existing processes have the following problems respectively:
(1) the carving splice bar welding process adopts carving, which causes great waste to the plate, the product size is difficult to control, and the welding strength is difficult to ensure.
(2) The notch bending welding adopts that strip notches are firstly carried out on the edge folding part at a certain interval, and then the notch gap is welded and filled up after the edge folding, however, the notch operation can cause uneven edges and even can form saw-toothed shapes, and the attractiveness is reduced.
Both of them need to be polished manually subsequently, the labor intensity of workers is increased, the production efficiency is low, the process is complex, and high-quality arc flanging metal curtain wall plate with attractive appearance and high strength is difficult to produce.
The application number is CN201621108349.8, which is named as 'arc plate flanging machine' Chinese utility model patent, and solves the technical problem that the existing arc plate flanging machine is limited by the thickness of the arc plate and the flanging height can not be adjusted, so the solution of the problem of the flanging thickness and the height is explained mainly from the perspective of equipment structure, and no solution is provided for the technical defects; the application number is CN201510321799.9, the name is "arc plate flanging machine", which also solves the arc flanging problem from the equipment angle, but the important solution is the arc bending problem on the flat plate.
The present application was made based on this.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a flanging process of a large-radius arc metal curtain wall plate, which is a continuous smooth flanging process of arc-shaped edge parts at two ends of a hyperbolic arc plate and can improve the attractiveness and the product quality.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a flanging process for a large-radius arc metal curtain wall plate, which is an arc metal curtain wall plate with an arc radius R of more than or equal to 400mm,
for the metal curtain wall plate with the radius R more than or equal to 1000mm, the method comprises
Cutting a rectangular flat plate on a plate shearing machine according to the size requirement;
pre-bending reserved edge folding parts at two ends of a rectangular flat plate;
step (1.3) bending the whole plate to form a circle;
for the metal curtain wall plate with R being more than or equal to 400mm and less than 1000mm, the method comprises
Cutting a rectangular flat plate on a plate shearing machine according to the size requirement;
step (2.2) arranging triangular notches at the reserved folding edge parts at two ends of the rectangular flat plate at intervals;
pre-bending the reserved flanging part;
step (2.4), bending the whole plate to form a circle;
step (2.5) welding and polishing the notch;
or, for the metal curtain wall plate with the R being more than or equal to 400mm and less than 1000mm, the method comprises
Cutting a rectangular flat plate on a plate shearing machine according to the size requirement;
step (3.2) slotting reserved flanging parts at two ends of the rectangular flat plate;
step (3.3) arranging triangular notches at the reserved folding edge parts at two ends of the rectangular flat plate at intervals;
step (3.4) sending the flat plate into an arc flanging machine to finish continuous arc flanging, and realizing simultaneous bending and flanging of the flat plate;
and (3.3) welding and polishing the notch.
Further, in the step (3.2), grooving is performed on the engraving machine, the grooving line is perpendicular to the height direction of the plate surface, and the height of the grooving line from the edge is the width of the folded edge.
Furthermore, in order to ensure the folding quality, in the step (3.2), the grooving depth is determined to be 1/3-1/2 of the plate thickness according to the plate thickness, and the grooving shape is V-shaped.
Further, the arc flanging machine in the step (3.4) comprises a base, two supporting rollers arranged on the base and located below, a pressure roller arranged on the base and located above, and a plurality of annular grooves formed in the pressure roller.
Further, the step (3.4) specifically includes: and placing the grooved flat plate between a supporting roller and a pressure roller, upturning a part of the reserved folded edge, extending the upturned part of the folded edge into the annular groove, lowering the pressure roller to a set pressure, rotating the supporting roller and the pressure roller, and continuously and slowly bending the grooved line on the reserved folded edge plate while bending the flat plate to a circle.
The principle and the beneficial technical effects of the invention are as follows: compared with the prior art, the folded edge and the front decorative plate are integrated, and the structural strength of the product is ensured by the relative assembling and opening process; the folding process has the advantages that the folding lines are continuous and smooth, the folding positions do not need to be welded or polished, the continuity, the strength and the attractiveness of the whole structure are guaranteed, meanwhile, the process flow is reduced, the production efficiency is improved, and the labor cost is reduced.
Drawings
FIG. 1 is the front view of the large radius arc curtain wall panel of example 2 after opening the triangular notch and without folding the edge
FIG. 2 is the front view of the large radius arc curtain wall panel of example 3 after grooving and opening the triangular notch without folding the edges;
FIG. 3 is a cross-sectional view of the large radius arc curtain wall panel of example 3 after grooving and triangular notching without folding the edges;
fig. 4 is a schematic view of an arc-shaped metal curtain wall plate.
Description of the labeling: the metal curtain wall plate comprises a metal curtain wall plate 1, a V-shaped groove 2, a folded edge 3 and a triangular notch 4.
Detailed Description
In order to make the technical means and technical effects achieved by the technical means of the present invention more clearly and more perfectly disclosed, the following embodiments are provided, and the following detailed description is made with reference to the accompanying drawings:
as shown in FIGS. 1 to 3, the large-radius arc metal curtain wall plate of the present invention is an arc metal curtain wall plate with an arc radius R of 400mm or more, and includes most of the dimensions of the arc metal curtain wall plate, so that the process can be widely applied.
The invention provides three examples, as in table 1:
TABLE 1 Process steps required for the corresponding examples
Example 1
For the metal curtain wall plate with the radius R being more than or equal to 1000mm, the following process is adopted:
cutting a rectangular flat plate on a plate shearing machine according to the size requirement;
pre-bending reserved edge folding parts at two ends of a rectangular flat plate;
step (1.3) bending the whole plate to form a circle;
thus eliminating the need for grooving and notching.
Example 2
For the metal curtain wall plate with R being more than or equal to 400mm and less than 1000mm, the following process is adopted:
cutting a rectangular flat plate on a plate shearing machine according to the size requirement;
step (2.2) arranging triangular notches at the reserved folding edge parts at two ends of the rectangular flat plate at intervals of every 30 mm;
pre-bending the reserved flanging part;
step (2.4), bending the whole plate to form a circle;
step (2.5) welding (spot welding) and polishing the notch;
example 3
For the metal curtain wall plate with R being more than or equal to 400mm and less than 1000mm, the method comprises
Cutting a rectangular flat plate on a plate shearing machine according to the size requirement;
step (3.2) slotting reserved flanging parts at two ends of the rectangular flat plate;
step (3.3) arranging triangular notches at the reserved folding edge parts at two ends of the rectangular flat plate at intervals;
step (3.4) sending the flat plate into an arc flanging machine to finish continuous arc flanging, and realizing simultaneous bending and flanging of the flat plate;
and (3.3) welding (spot welding) and polishing the notch.
And (3.2) slotting on the engraving machine, wherein the slotting line is vertical to the height direction of the plate surface, and the height of the slotting line from the edge is the width of the folded edge. Compared with the prior art, the continuous smooth edge folding process of the arc-shaped edges at the two ends of the hyperbolic arc plate is realized by the process of firstly grooving and reserving edge folding positions, and then simultaneously bending and folding the edges, so that the edge angle of the metal curtain wall plate is clear, and the attractiveness of the product is improved; and the bending machine does not need to be pre-bent, can be directly placed into an arc bending machine to realize simultaneous bending and folding, further reduces the process steps and improves the production efficiency.
In the step (3.2) of the embodiment, the depth of the notch is 1/3-1/2 of the thickness of the plate according to the plate thickness, and the notch is V-shaped. The depth can ensure smooth bending and the strength of the folded edge. The shape of the groove is V-shaped, so that extrusion between the bent hem and the plate can be further avoided, and the hem strength is prevented from being influenced by deformation of the bent part.
The circular arc flanging machine comprises a base, two supporting rollers, a pressure roller and a plurality of annular grooves, wherein the two supporting rollers are installed on the base and located below the base, the pressure roller is installed on the base and located above the base, the annular grooves are formed in the pressure roller, the two supporting rollers are located on the same horizontal plane, the pressure roller is located above the junction of the two supporting rollers, the distance between the pressure roller and the supporting rollers is adjustable, and the size of the distance is adjusted and adapted according to metal curtain wall plates with different thicknesses. The positions and the number of the annular grooves are grooved according to the size of the metal curtain wall plate.
The step (3.4) in this embodiment specifically includes: and placing the grooved flat plate between a supporting roller and a pressure roller, upturning a part of the reserved folded edge, extending the upturned part of the folded edge into the annular groove, lowering the pressure roller to a set pressure, rotating the supporting roller and the pressure roller, and continuously and slowly bending the grooved line on the reserved folded edge plate while bending the flat plate to a circle.
In addition, the body of the arc flanging machine adopted in the embodiment is a common three-roller plate bending machine which can be purchased in the market, and a plurality of annular grooves are formed in the pressure roller to obtain the arc flanging machine. Therefore, other structures (such as a driving device for driving the pressure roller and the supporting roller to rotate, a device for lifting the pressure roller to provide pressure, and a device for adjusting the gap between the pressure roller and the supporting roller) of the arc flanging machine except the annular groove are the prior art, the principle of bending the metal plate by the arc flanging machine with the annular groove is not changed, the working principle of the existing three-roller plate bending machine is common knowledge in the field, is not the technical point required to be protected by the invention, and is not repeated herein. And the bending of the reserved edge is finished on a vertical numerical control flanging machine or a numerical control turnover flanging machine (existing equipment) to form a flanging vertical to the original plane plate.
Compared with the prior art, the folded edges and the front decorative plate are integrated, and the structural strength of the product is ensured by the relative assembly and opening process in the embodiments 1, 2 and 3; the folding process has the advantages that the folding lines are continuous and smooth, the folding parts (non-notch parts) do not need to be welded and polished, the continuity, strength and attractiveness of the whole structure are ensured, meanwhile, the process flow is reduced, the production efficiency is improved, and the labor cost is reduced.
The above description is provided for the purpose of further elaboration of the technical solutions provided in connection with the preferred embodiments of the present invention, and it should not be understood that the embodiments of the present invention are limited to the above description, and it should be understood that various simple deductions or substitutions can be made by those skilled in the art without departing from the spirit of the present invention, and all such alternatives are included in the scope of the present invention.
Claims (5)
1. The utility model provides a hem technology of major radius circular arc metal curtain board, major radius circular arc metal curtain board is the arc metal curtain board that circular arc radius R is greater than or equal to 400mm, its characterized in that:
for the metal curtain wall plate with the radius R more than or equal to 1000mm, the method comprises
Cutting a rectangular flat plate on a plate shearing machine according to the size requirement;
pre-bending reserved edge folding parts at two ends of a rectangular flat plate;
step (1.3) bending the whole plate to form a circle;
for the metal curtain wall plate with R being more than or equal to 400mm and less than 1000mm, the method comprises
Cutting a rectangular flat plate on a plate shearing machine according to the size requirement;
step (2.2) arranging triangular notches at the reserved folding edge parts at two ends of the rectangular flat plate at intervals;
pre-bending the reserved flanging part;
step (2.4), bending the whole plate to form a circle;
step (2.5) welding and polishing the notch;
or, for the metal curtain wall plate with the R being more than or equal to 400mm and less than 1000mm, the method comprises
Cutting a rectangular flat plate on a plate shearing machine according to the size requirement;
step (3.2) slotting reserved flanging parts at two ends of the rectangular flat plate;
step (3.3) arranging triangular notches at the reserved folding edge parts at two ends of the rectangular flat plate at intervals;
step (3.4) sending the flat plate into an arc flanging machine to finish continuous arc flanging, and realizing simultaneous bending and flanging of the flat plate;
and (3.3) welding and polishing the notch.
2. The flanging process of the large-radius arc metal curtain wall plate as claimed in claim 1, wherein the flanging process comprises the following steps: and (3.2) slotting on the engraving machine, wherein the slotting line is vertical to the height direction of the plate surface, and the height of the slotting line from the edge is the width of the folded edge.
3. The flanging process of the large-radius arc metal curtain wall plate as claimed in claim 1, wherein the flanging process comprises the following steps: in the step (3.2), the grooving depth is determined to be 1/3-1/2 of the plate thickness according to the plate thickness, and the grooving shape is V-shaped.
4. The flanging process of the large-radius arc metal curtain wall plate as claimed in claim 1, wherein the flanging process comprises the following steps: the arc flanging machine in the step (3.4) comprises a base, two supporting rollers arranged on the base and positioned below, a pressure roller arranged on the base and positioned above, and a plurality of annular grooves formed in the pressure roller.
5. The flanging process of the large-radius arc metal curtain wall plate as claimed in claim 4, wherein the flanging process comprises the following steps: the step (3.4) specifically comprises: and placing the grooved flat plate between a supporting roller and a pressure roller, upturning a part of the reserved folded edge, extending the upturned part of the folded edge into the annular groove, lowering the pressure roller to a set pressure, rotating the supporting roller and the pressure roller, and continuously and slowly bending the grooved line on the reserved folded edge plate while bending the flat plate to a circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548173.2A CN111730289A (en) | 2020-06-16 | 2020-06-16 | Edge folding process of large-radius arc metal curtain wall plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548173.2A CN111730289A (en) | 2020-06-16 | 2020-06-16 | Edge folding process of large-radius arc metal curtain wall plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111730289A true CN111730289A (en) | 2020-10-02 |
Family
ID=72649469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010548173.2A Pending CN111730289A (en) | 2020-06-16 | 2020-06-16 | Edge folding process of large-radius arc metal curtain wall plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111730289A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633117A (en) * | 2022-05-20 | 2022-06-17 | 佛山市南海凤铭金属建材有限公司 | Automatic metal plate arc-shaped hemming processing production line |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1046925A (en) * | 1996-08-07 | 1998-02-17 | Niyuusuto:Kk | Panel fixing device using zipper gasket and the zipper gasket |
| CN2825788Y (en) * | 2005-10-17 | 2006-10-11 | 吴小平 | Aluminum curtain wall plate |
| CN204919969U (en) * | 2015-09-18 | 2015-12-30 | 苏州金近幕墙有限公司 | Arc aluminium sheet material |
| KR20160066342A (en) * | 2014-12-02 | 2016-06-10 | 주식회사 윈체 | Curtain wall for anti-frost and heat insulation |
| CN207057351U (en) * | 2017-07-28 | 2018-03-02 | 广州高谱机械科技有限公司 | Section bar three-dimensional roll bending machine |
| CN208825264U (en) * | 2018-09-25 | 2019-05-07 | 广州广源兴科技有限公司 | Bending roll machine |
| CN209531785U (en) * | 2018-12-28 | 2019-10-25 | 苏州科尼普机电科技有限公司 | A kind of circular arc molding device of battery tray aluminum profile |
-
2020
- 2020-06-16 CN CN202010548173.2A patent/CN111730289A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1046925A (en) * | 1996-08-07 | 1998-02-17 | Niyuusuto:Kk | Panel fixing device using zipper gasket and the zipper gasket |
| CN2825788Y (en) * | 2005-10-17 | 2006-10-11 | 吴小平 | Aluminum curtain wall plate |
| KR20160066342A (en) * | 2014-12-02 | 2016-06-10 | 주식회사 윈체 | Curtain wall for anti-frost and heat insulation |
| CN204919969U (en) * | 2015-09-18 | 2015-12-30 | 苏州金近幕墙有限公司 | Arc aluminium sheet material |
| CN207057351U (en) * | 2017-07-28 | 2018-03-02 | 广州高谱机械科技有限公司 | Section bar three-dimensional roll bending machine |
| CN208825264U (en) * | 2018-09-25 | 2019-05-07 | 广州广源兴科技有限公司 | Bending roll machine |
| CN209531785U (en) * | 2018-12-28 | 2019-10-25 | 苏州科尼普机电科技有限公司 | A kind of circular arc molding device of battery tray aluminum profile |
Non-Patent Citations (2)
| Title |
|---|
| 萧前: "《化工机械制造工艺学》", 30 September 1990, 烃加工出版社 * |
| 陈建东: "《金属与石材幕墙工程技术规范应用手册》", 30 April 2001, 中国建筑工程出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633117A (en) * | 2022-05-20 | 2022-06-17 | 佛山市南海凤铭金属建材有限公司 | Automatic metal plate arc-shaped hemming processing production line |
| CN114633117B (en) * | 2022-05-20 | 2022-07-29 | 佛山市南海凤铭金属建材有限公司 | Automatic metal plate arc-shaped hemming processing production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1904244B1 (en) | Roll-forming machine and method for roll-forming a hat-shaped profile | |
| JP5033120B2 (en) | Production line and method for forming and processing profiles | |
| EP2279807B1 (en) | A variable linear geometry machine for continuously forming square tubes | |
| CN1946494A (en) | A production line and a method of forming profiles | |
| CN212652589U (en) | Air filter integrated frame cold bending forming machine | |
| CN111730289A (en) | Edge folding process of large-radius arc metal curtain wall plate | |
| CN211191509U (en) | Production-use plate bending machine convenient for adjusting bending angle | |
| CN206716856U (en) | A kind of steel plate pre-bending device | |
| CN1666841A (en) | Method for manufacturing metal outer frame for panel display | |
| CN112845853A (en) | Machining process and forming equipment for clamping metal plate with inclination angle | |
| CN203330694U (en) | Spiral pipe production device | |
| CN209736441U (en) | Plate cutting and edge folding mechanism | |
| CN111636602A (en) | Edge folding structure and process of metal curtain wall plate | |
| CN211774924U (en) | Device for manufacturing super-large breadth concave curved surface porous steel plate curtain wall | |
| CN206535936U (en) | A kind of drawing die face structure of front wall plate stamping and forming | |
| JPS63268512A (en) | Blank guiding method to fin pass roll and its guide roll stand | |
| CN212715543U (en) | Edge folding structure of metal curtain wall plate | |
| KR102013902B1 (en) | Metal panel forming device using variable mold | |
| CN209792388U (en) | shingle nail machine-shaping equipment | |
| CN112404191A (en) | Plate edge bending and edge rolling equipment | |
| CN111515635B (en) | Machining method of special-shaped guide groove | |
| CN205887731U (en) | System frock is rolled up to taper pipe | |
| CN216157032U (en) | Easily clamped cladding keel | |
| CN214391737U (en) | Shaping and straightening device for rectangular welded pipe | |
| CN210234514U (en) | Novel embossing machine |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201002 |