CN106424424B - A kind of clod wash metal joist and its moulding technique - Google Patents
A kind of clod wash metal joist and its moulding technique Download PDFInfo
- Publication number
- CN106424424B CN106424424B CN201610928088.2A CN201610928088A CN106424424B CN 106424424 B CN106424424 B CN 106424424B CN 201610928088 A CN201610928088 A CN 201610928088A CN 106424424 B CN106424424 B CN 106424424B
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- CN
- China
- Prior art keywords
- flange
- pressure roller
- clod wash
- flanging
- enclosure
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D47/00—Making rigid structural elements or units, e.g. honeycomb structures
- B21D47/01—Making rigid structural elements or units, e.g. honeycomb structures beams or pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
Abstract
The present invention relates to a kind of clod wash metal joist and its moulding techniques, belong to hardware technical field.The metal joist includes the purlin main body that section is in semi-surrounding structure, has the flanged port being spaced apart along its length in the purlin main body, and the flange peripheral shroud of the flanged port has enclosure, and volume surrounds enclosure outside the edge of the flange.Due to present invention shroud ring enclosure outside flanged port, solve reduces the contradiction of strength and stiffness after aperture cross-sectional strength weakens to obtain the high-intensitive crimping and excessively high easy crack of aperture and crimping of increasing instead.The continuous high-efficient production of high-strength purlin then not only may be implemented using method of the invention, but also rolling technology has the work efficiency gradually rolled, therefore can be to avoid the problem of Cracking of Sheet Metal Forming Technology crimping.
Description
Technical field
The present invention relates to a kind of mental section, especially a kind of clod wash metal joist also relates to its moulding process side
Method belongs to hardware technical field.
Background technique
According to the applicant understood in structural steelwork, the structural members such as purlin and wall beam (are commonly referred to as clod wash metal dragon in engineering
Bone) frequently with section be in semi-surrounding structure (such as C-shaped) light gauge cold-formed steel shape.Such fashioned iron is generally led to by cold bending thin wall steel plate
Purline machine clod wash roll-forming is crossed, and is intervally distributed with perforation along its length.Weaken to solve cross-sectional strength after aperture
Flanging bore is made frequently with punching technology in problem, the perforation being spaced apart on purlin (referring to Fig. 1, Fig. 2).
The above-mentioned prior art is not only the possibility to the deformation of generation type steel in punching, although and theoretically flange height is got over
High, intensity and rigidity are better, but the actually more high easier cracking of piercing and flanging height and deformation, so that it is strong to reduce purlin
Degree.With the continuous development of construction industry, the requirements such as intensity, material wastage rate and standardization with Spaced perforations fashioned iron are got over
Come higher, above-mentioned disadvantage of the existing technology has been difficult to meet these requirements.
Summary of the invention
It is an object of the invention to: it is directed to above-mentioned disadvantage of the existing technology, proposes that one kind can significantly improve intensity
With the clod wash metal joist of rigidity, while corresponding moulding technique is provided, is rapidly sent out to meet the industries such as building conscientiously
The requirement of exhibition.
In order to reach the goals above, clod wash metal joist of the invention includes the purlin main body that section is in semi-surrounding structure,
There is the flanged port being spaced apart along its length, it is characterised in that: the flange periphery of the flanged port in the purlin main body
Hoop has enclosure, and volume surrounds enclosure outside the edge of the flange.
The semi-surrounding structure in above-mentioned section can be C-shaped configuration, U-shaped structure or m shape structure.
The present invention further improves, and the section of the enclosure is rectangle, and the flange is towards the side in flanged port
In arc-shaped.Or, the inside in the enclosure section is in convex, the section of the flange corresponding position is in the concave arc for surrounding enclosure
Shape.
The moulding technique of clod wash metal joist of the present invention at least includes the following steps:
Step E, lasso --- the purlin main body for being intervally distributed with vertical flanging bore along its length is placed on conveying roller
It is sent on road, the enclosure that interior exterior feature flange gabarit vertical with vertical flanging bore matches is covered one by one outside vertical flanging bore；
Step F, flanging --- the purlin main body continuation for completing lasso is sent on rollgang, by upper edge roller and tool
There is circumferentially-spaced to correspond between the lower edge roller of vertical flanging bore flanging punch-pin, surrounds volume outside the edge of vertical flange
Circle.
Due to present invention shroud ring enclosure outside flanged port, solve high-intensitive to obtain after aperture cross-sectional strength weakens
Increase crimping and aperture and the excessively high easy cracking of crimping reduces the contradiction of strength and stiffness instead.Then not using method of the invention
It only may be implemented the continuous high-efficient production of high-strength purlin, and rolling technology has the work efficiency gradually rolled, therefore can be to avoid
The problem of Cracking of Sheet Metal Forming Technology crimping.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is the structural schematic diagram of existing purlin.
Fig. 2 is the cross section structure schematic diagram of Fig. 1.
Fig. 3 is the purlin cross section structure schematic diagram of one embodiment of the invention.
Fig. 4 is strip metal plate punching step structural schematic diagram.
Fig. 5 is the flanging step structural schematic diagram after punching.
Fig. 6 is the curling step structural schematic diagram after flanging.
Fig. 7 is the flange step structural schematic diagram after crimping.
Fig. 8 is the lasso step structural schematic diagram after flange.
Fig. 9 is the flanging step structural schematic diagram after lasso.
Figure 10 is each process device structure schematic diagram for being connected into production line.
Figure 11 is the purlin agent structure schematic diagram that section is in U-shape.
Figure 12 is the purlin agent structure schematic diagram that section is in m shape.
Specific embodiment
Embodiment one
The clod wash metal joist basic structure of the present embodiment is as shown in figure 3, have edge in the C-shaped purlin main body 1 in section
The flanging bore 2 that length direction is spaced apart, it is the enclosure 3 of rectangle, the edge of flange 4 that 4 peripheral shroud of flange of flanging bore 2, which has section,
Outer volume surrounds enclosure 3, is in arc-shaped towards the side of flanging bore.
Its complete specific moulding technique includes the following steps:
Step A, punching --- strip metal plate is placed on rollgang and is sent into, by being distributed respectively with circumference
The pairs of of corresponding kidney-shaped punch-pin AT and cavity plate AQ goes up between punch roll AH and lower punch roll AL, stamp out be spaced apart to flange
Kidney-shaped bottom outlet 2-A, referring to fig. 4.
Step B, flanging --- will there is the strip metal plate for being spaced apart kidney-shaped bottom outlet 2-A to continue on rollgang
Be sent into, by one group of upside pressure roller BH with two outer side pressure surface BW and one group have side pressure surface BN in two downside pressure roller BL it
Between, the spacing of opposite side pressure surface is tapered along feeding direction, so that the gradually folding of strip metal plate two sides is formed into flanging 4-B,
Upside pressure roller BH and downside pressure roller BL can be distributed in pairs up and down, can also be dislocatedly distributed, referring to Fig. 5.
Step C, crimping --- the strip metal plate after flanging is continued to be sent on rollgang, is had by one group
The upside pressure roller CH of CG and one group are enclosed in two outer lateral part surface CW and outer rolling to be had in two between the downside pressure roller CL of lateral part surface CN, on
Side pressure roller CH and downside pressure roller CL are distributed in pairs, in pairs the outer circle of the outer rolling circle CG outer circle of upside pressure roller CH and downside pressure roller CL
Rolling cut, the outer rolling circle CG outside diameter of upside pressure roller CH along feeding direction flaring and the outside diameter of downside pressure roller CL along being sent into
Direction is tapered, so that the strip metal plate two sides edge flanging A-B after flanging gradually be wound, is formed with crimping 4-C
The whole C-shaped purlin main body in section, referring to Fig. 6.
Step D, flange --- purlin main body is continued to be sent on rollgang, by being distributed correspondence respectively with circumference
Kidney-shaped be recessed mould DQ and step punch-pin DT pairs of upper overturning roller DH and lower flange roller DL between, the step head of step punch-pin DT with
There are flange gaps between recess mould DQ, so that the vertical flange kidney slot 2-D being spaced apart is squeezed out, referring to Fig. 7.
Step E, lasso --- the C-shaped section purlin master for being intervally distributed with vertical flange kidney slot 2-D along its length
Body 1 continues to be sent on rollgang, by the interior wide rectangular section to match with the vertical flange gabarit of vertical flange kidney slot 2-D
Enclosure 3 is covered one by one outside vertical flange kidney slot, referring to Fig. 8.
Step F, flanging --- the purlin main body 1 for completing lasso is continued to be sent on rollgang, by pairs of upper
Between edge roller FH and the lower edge roller FL for corresponding to vertical flange kidney slot 2-D flanging punch-pin FT with circumferentially-spaced, make
Volume surrounds enclosure 3 outside the edge of vertical flange, shapes flanged port 2, and since the end of flanging punch-pin FT has circular arc chamfering,
Therefore flange towards the side in flanged port be in arc-shaped, referring to Fig. 9.
It is realized since process above step passes through the corresponding rolling equipment being sent on roller-way respectively, it can be such as Figure 10 institute
Show that series connection is production line, each processing step is completed in the equipment for be connected into production line, to greatly improve production efficiency.
Following table is the clod wash metal joist physical and mechanical property indexs of the present embodiment that test obtains, is mentioned than original technology
It is high by 30% or more.
The structure of the present embodiment due to outside flanging bore shroud ring have enclosure, there is no need to increase flange to be remarkably improved purlin
Intensity and rigidity --- experiments have shown that, intensity and rigidity improve 30% and 50% than the prior art respectively, have properly settled and are
Acquisition high intensity increases flange and flange height is easy cracking and drops low intensive contradiction instead.Using the present embodiment method then not only
The continuous high-efficient production of high-strength purlin may be implemented, and rolling technology has the work efficiency gradually rolled, therefore is conducive to avoid
Cracking.Inside in particular for enclosure section in the section of convex, flange corresponding position is in surround the concave arc shape structure of enclosure,
Correspondence flanging punch-pin when flanging has corresponding arc-shaped transition angle, therefore outside the smooth calendering in edge for being more advantageous to vertical flange
Volume surrounds enclosure, avoids cracking.
Section shown in Figure 11, Figure 12 is in U-shape respectively with the purlin main structure of m shape and moulding technique according to above-mentioned reality
Example is applied to be not difficult to deduce, therefore not elsewhere specified (NES).
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (9)
1. a kind of clod wash metal joist is in the purlin main body of semi-surrounding structure including section, it is characterised in that: the purlin main body
Upper to have the flanged port being spaced apart along its length, the flange peripheral shroud of the flanged port has enclosure, the edge of the flange
Outer volume surrounds enclosure.
2. clod wash metal joist according to claim 1, it is characterised in that: the section of the enclosure is rectangle, described to turn over
While towards the side in flanged port in arc-shaped.
3. clod wash metal joist according to claim 1, it is characterised in that: the inside in the enclosure section is in convex,
The section of the flange corresponding position is in the concave arc shape for surrounding enclosure.
4. clod wash metal joist according to claim 1, it is characterised in that: the semi-surrounding structure is C-shaped configuration, U-shaped
Structure or m shape structure.
5. the according to claim 1, moulding technique of the 2 or 3 clod wash metal joists, it is characterised in that including following step
It is rapid:
Step E, lasso --- the purlin main body for being intervally distributed with vertical flanging bore along its length is placed on rollgang
It is sent into, the enclosure that interior exterior feature flange gabarit vertical with vertical flanging bore matches is covered one by one outside vertical flanging bore；
Step F, flanging --- the purlin main body for completing lasso is continued to be sent on rollgang, by upper edge roller and is had
Circumferentially-spaced corresponds between the lower edge roller of vertical flanging bore flanging punch-pin, surrounds volume outside the edge of vertical flange
Circle.
6. the moulding technique of clod wash metal joist according to claim 5, it is characterised in that: the semi-surrounding knot
Structure is C-shaped configuration, is also had before the step E
Step A, punching --- strip metal plate is placed on rollgang and is sent into, by being distributed correspondence respectively with circumference
Between the pairs of upper punch roll of punch-pin and cavity plate and lower punch roll, stamp out be spaced apart to flange bottom outlet；
Step B, flanging --- will there is the strip metal plate for being spaced apart bottom outlet to continue to be sent on rollgang, pass through one
Upside pressure roller and one group of the group with two outer side pressure surfaces have in two between the downside pressure roller of side pressure surface, the spacing of opposite side pressure surface
It is tapered along feeding direction, by the gradually folding of strip metal plate two sides, form flanging；
Step C, crimping --- the strip metal plate after flanging is continued to be sent on rollgang, is had outside two by one group
Lateral part surface and the outer upside pressure roller enclosed and one group of rolling have in two between the downside pressure roller of lateral part surface, and the upside pressure roller is under
Side pressure roller is distributed in pairs, in pairs the upside outer rolling circle outer circle of pressure roller and the outer circle rolling cut of downside pressure roller, the upside pressure roller
Outer rolling circle outside diameter along feeding direction flaring and the outside diameter of downside pressure roller is tapered along feeding direction, by the item after flanging
Shape sheet metal two sides hemmed edges are gradually wound, and being formed has the section of crimping integrally C-shaped purlin main body；
Step D, flange --- purlin main body is continued to be sent on rollgang, by being distributed corresponding kidney-shaped respectively with circumference
It is recessed between mould and the pairs of upper overturning roller and lower flange roller of step punch-pin, between the step head and recess mould of the step punch-pin
There are flange gap, the vertical flanging bore being spaced apart is squeezed out.
7. the moulding technique of clod wash metal joist according to claim 6, it is characterised in that: in the step B
Upside pressure roller and downside pressure roller are distributed or are dislocatedly distributed in pairs up and down.
8. the moulding technique of clod wash metal joist according to claim 7, it is characterised in that: the pressure of the step F
Side punch-pin end has circular arc chamfering.
9. the moulding technique of clod wash metal joist according to claim 8, it is characterised in that: each processing step exists
It is connected into the equipment of production line and completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928088.2A CN106424424B (en) | 2016-10-31 | 2016-10-31 | A kind of clod wash metal joist and its moulding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928088.2A CN106424424B (en) | 2016-10-31 | 2016-10-31 | A kind of clod wash metal joist and its moulding technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106424424A CN106424424A (en) | 2017-02-22 |
| CN106424424B true CN106424424B (en) | 2019-05-21 |
Family
ID=58177223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610928088.2A Active CN106424424B (en) | 2016-10-31 | 2016-10-31 | A kind of clod wash metal joist and its moulding technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424424B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1943104U (en) * | 1966-02-25 | 1966-07-28 | Alfred Gruchenberg | SWITCH FOR PUBLIC TRAFFIC. |
| CN201923814U (en) * | 2010-12-25 | 2011-08-10 | 大力机械（宁国）有限公司 | Riveting structure for reinforcing gaskets of jack |
| CN102728707A (en) * | 2012-07-10 | 2012-10-17 | 北方工业大学 | Roll bending forming method and device for variable cross-section hat-shaped section |
| CN203008228U (en) * | 2012-12-30 | 2013-06-19 | 杭州伟都钢构有限公司 | C-shaped steel purline |
| CN203197069U (en) * | 2013-04-07 | 2013-09-18 | 鹤山天山金属材料制品有限公司 | Automatic molding mechanism for stamping profiles by using rollers |
| CN203526962U (en) * | 2013-11-08 | 2014-04-09 | 武汉宇宙科技有限公司 | Main keel cold roll forming machine |
| CN206122576U (en) * | 2016-10-31 | 2017-04-26 | 南京善围建筑科技有限公司 | Clod wash metal fossil fragments |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1943104A1 (en) * | 1969-08-25 | 1971-03-04 | Whistler Green Engineering Pro | Metal cutting and stamping machine |
-
2016
- 2016-10-31 CN CN201610928088.2A patent/CN106424424B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1943104U (en) * | 1966-02-25 | 1966-07-28 | Alfred Gruchenberg | SWITCH FOR PUBLIC TRAFFIC. |
| CN201923814U (en) * | 2010-12-25 | 2011-08-10 | 大力机械（宁国）有限公司 | Riveting structure for reinforcing gaskets of jack |
| CN102728707A (en) * | 2012-07-10 | 2012-10-17 | 北方工业大学 | Roll bending forming method and device for variable cross-section hat-shaped section |
| CN203008228U (en) * | 2012-12-30 | 2013-06-19 | 杭州伟都钢构有限公司 | C-shaped steel purline |
| CN203197069U (en) * | 2013-04-07 | 2013-09-18 | 鹤山天山金属材料制品有限公司 | Automatic molding mechanism for stamping profiles by using rollers |
| CN203526962U (en) * | 2013-11-08 | 2014-04-09 | 武汉宇宙科技有限公司 | Main keel cold roll forming machine |
| CN206122576U (en) * | 2016-10-31 | 2017-04-26 | 南京善围建筑科技有限公司 | Clod wash metal fossil fragments |
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| Publication number | Publication date |
|---|---|
| CN106424424A (en) | 2017-02-22 |
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Effective date of registration: 20211117 Address after: 210000 Dongshan science and Technology Innovation Park, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Jingfeng Investment Holding Group Co.,Ltd. Address before: 211100 Building 8, Jingfeng smart Industrial Park, No. 98, Jiangning District, Nanjing, Jiangsu Patentee before: NANJING SHANWEI BUILDING TECHNOLOGY CO.,LTD. |
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