CN108435906B - The production technology of cold-forming shapes - Google Patents
The production technology of cold-forming shapes Download PDFInfo
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- CN108435906B CN108435906B CN201810402523.7A CN201810402523A CN108435906B CN 108435906 B CN108435906 B CN 108435906B CN 201810402523 A CN201810402523 A CN 201810402523A CN 108435906 B CN108435906 B CN 108435906B
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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
- 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
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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
- 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
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention relates to the production technologies of cold-forming shapes, comprising the following steps: band-like metal plate (1) a aligning leveling: is carried out aligning leveling with roller (2)；B first time punching: according to required aperture d and pitch-row h in the side of the metal plate (1) along the length direction compartment of terrain stamping connection hole (4) of the metal plate (1)；C roll-in bending: the side of the metal plate (1) is subjected to multiple roll-in and is bent to form interconnecting piece (5), the interconnecting piece (5) includes the link slot (51) along the setting of the metal plate (1) length direction, and the connecting hole (4) is located at the bottom of the link slot (51)；E aligning: it is aligned with roller (2)；F cutting: metal plate (1) is cut into required length specification.This kind of production technology high production efficiency, save the cost and be suitable for building template manufactured with fashioned iron.
Description
Technical field
The present invention relates to the production technology of cold-forming shapes,
Background technique
The hot rolling technology production that building template typically now uses multiple tracks to roll with profile, generally comprises heating, multiple tracks is rolled
The processes such as system, cutting, cooling, heat treatment, aligning, this kind of hot rolling technology, energy consumption is huge, and environmental pollution is larger, due to
The techniques such as cooling, heat treatment often consume a longer time that the efficiency of production is relatively low.And cold bending process be under normal temperature conditions, it is right
The technique that steel plate carries out drawing and stamping, bending or roll bending formation.This kind of technique has working efficiency is higher, can manufacture section to answer
The advantages that miscellaneous profile, therefore be applied in the production of profile more and more widely.
But the profile of the manufacture of clod wash at present can only realize that basic shape meets the U-shaped material of required specification or angle section etc.
Such as a kind of Chinese invention patent " cold bending shaping method of cold-rolled forming section outer circle wedge angle " institute of Publication No. CN101564741A
Show, and basic structure needed for template profile can refer to Chinese utility model patent " the template side that notification number is CN2259453Y
Frame-type steel ", this kind of template profile also needs connecting hole, and is capable of forming the cavity outer surface structure of the recess of cavity, these
Structure can't synchronize realization in the cold-forming shapes manufacturing process flow of the prior art, exist to limit clod wash production technology
Use in the manufacture of building template profile.Need to provide a kind of life that can be suitably used for the cold-forming shapes that building template is manufactured with fashioned iron
Production. art.
Summary of the invention
The technical problem to be solved by the present invention is to the status for the prior art provide a kind of high production efficiency, save at
This production technology for being suitable for the cold-forming shapes that building template is manufactured with fashioned iron.
The technical scheme of the invention to solve the technical problem is: the production technology of cold-forming shapes, including it is following
Step:
A aligning leveling: band-like metal plate is subjected to aligning leveling with roller；
B first time punching: according to required aperture d and pitch-row h in the side of the metal plate along the length of the metal plate
Spend direction compartment of terrain stamping connection hole；
C roll-in bending: the side of the metal plate is subjected to multiple roll-in and is bent to form interconnecting piece, the interconnecting piece includes
There is the link slot along metal plate length direction setting, the connecting hole is located at the bottom of the link slot；
E aligning: it is aligned with roller；
F cutting: metal plate is cut into required length specification.
One of preferred technique, the step c include the following steps,
(1) side of the metal plate is bent into first angle, first folding line along the downward roll-in of the first folding line
It is s1 with a distance from the end line of correspondence side from the metal plate, the first angle is acute angle；
(2) side of the metal plate is bent into second angle, second folding line along the upward roll-in of the second folding line
Positioned at first folding line inside and with a distance from first folding line be s2, the second angle be acute angle；
(3) side of the metal plate is bent into third angle, the third folding line along the downward roll-in of third folding line
Positioned at second folding line inside and with a distance from second folding line be s3, the third angle with described first jiao
It is identical to spend size；
(4) side of the metal plate is bent into fourth angle, the 4th folding line along the upward roll-in of the 4th folding line
It is s4 between second folding line and with a distance from the third folding line positioned at the third folding line, and s4=s2,
The fourth angle is identical as the second angle size；
(5) side of the metal plate is bent into the 5th angle, the 5th folding line along the downward roll-in of the 5th folding line
Positioned at the third folding line inside and with a distance from the third folding line be s5, the 5th angle with described first jiao
It is identical to spend size；
(6) side of the metal plate is bent into hexagonal degree, the 6th folding line along the downward roll-in of the 6th folding line
Between the 5th folding line and the third folding line, the 6th folding line is with a distance from the 5th folding line
S6, and s6=s3-s4, the hexagonal degree are identical as the 5th angular dimension；
(7) side of the metal plate is bent into heptangle degree, the 7th folding line along the upward roll-in of the 7th folding line
Between the 6th folding line and the third folding line, the 7th folding line is with a distance from the 6th folding line
S7, and s7=s2, the heptangle degree are identical as the size of the second angle；
(8) side of the metal plate is bent into eighth angle, the 8th folding line along the upward roll-in of the 8th folding line
Positioned at the 5th folding line inside and be s8 with a distance from the 5th folding line, and s8=s2, the eighth angle with
The size of the heptangle degree is identical；
(9) side of the metal plate is bent into the 9th angle, the 9th folding line along the upward roll-in of the 9th folding line
Between the 7th folding line and the third folding line, and the 9th folding line is from the 7th folding line and third
Being equidistant for folding line is s9, the 9th angle be 180 degree make first folding line and the 8th folding line,
Second folding line and the 5th folding line, the third folding line and the 7th folding line, the 4th folding line
It overlaps each other with the 6th folding line；
The connecting hole further includes step (10) between aforementioned second folding line and the 4th folding line in this step
Second of punching: punching press is mutually communicated corresponding with the connecting hole between the 5th folding line and the 6th folding line
Supplement connecting hole；
(11) side of the metal plate is bent into the tenth angle, the tenth folding line along the upward roll-in of the tenth folding line
Positioned at the 8th folding line inside and distance apart from the 8th folding line be s10, and s10 >=s1, the described ten jiao
Degree is 90 degree,
The metal plate structure on the tenth folding line top is the interconnecting piece, the 7th folding line and the 8th bending
The part metal plate structure between line constitutes the link slot.It can be shaped to using this kind of technique with double panel structure
Interconnecting piece, strengthen the intensity of interconnecting piece；And it is asked by the perforation that second of punching solves the connecting hole of double panel structure
Topic, while having bent out easy-to-dismount link slot when building template uses.
Preferably, the height of the interconnecting piece is 50~80mm.This kind of height, which is more conform with existing building construction, actually to be made
Demand.
Further, it is additionally provided with electric welding step between the step described in above-mentioned technique (9) and the step (10): utilizing
It rolls the upper metal plate part welded by between the end line and the 9th folding line and corresponding lower metal plate part is mutual
It is welded to connect.The step to connect more secured between the double panel structure of interconnecting piece, further enhances interconnecting piece
Intensity improves service life.
Further, it is curved that step d. second stage roll-in is additionally provided between step c and step e described in above-mentioned technique
Folding: the metal plate is bent so that the metal plate of the 11st folding line two sides is mutual upwards along the 11st bending
Mutually it is less than the process corner of 180 degree in one, the 11st folding line is located between the tenth folding line of two sides.Use this
Inner corner trim cold-rolled forming section can be made in kind technique.It can preferably the process corner be 90 degree.The cold-rolled forming section of this kind of process corner angle
Use scope is relatively broad.It can also preferably the first angle be 45 degree, the second angle is 45 degree.Select this angle
Size has preferable mechanical property after cold roll forming, and is convenient for the design and manufacture of associated process equipment.
Further, the numerical value further satisfaction the following conditions of described s1, s2, s3, s4, s8, s9: 0 < s9≤50mm, 0 <
S2 < s1,0 < s3-s4≤50mm, 0 < s8≤50mm.The numerical value of the range more meets the reality of existing Application in Building.
Another preferred technique, the step c include the following steps,
(1) side of the metal plate is bent into the first degree, first roll-in along the upward roll-in of the first rolling-line C1
Line C1 is L1 with a distance from the end line that the metal plate corresponds to side, and first degree is acute angle；
(2) side of the metal plate is bent into the second degree, second rolling-line along the downward roll-in of the second rolling-line
Positioned at the first rolling-line C1 inside and with a distance from the first rolling-line C1 be L2, second degree be acute angle；
(3) side of the metal plate is bent into third degree, the third rolling-line along the upward roll-in of third rolling-line
Positioned at described
The inside of second rolling-line and with a distance from second rolling-line be L3, the third degree with described first degree
Number size is identical；
(4) side of the metal plate is bent into fourth number, the 4th rolling-line along the downward roll-in of the 4th rolling-line
(it is L4 between the second rolling-line and with a distance from the third rolling-line positioned at the third rolling-line, and L4=L2, it is described
Fourth number is identical as the second degree size；
(5) side of the metal plate is folded upward at the 5th degree, the 5th rolling-line C5 along the 5th rolling-line C5
Positioned at the inside of the third rolling-line and the distance apart from the third rolling-line is L5, L5 > 0, and the 5th degree is 90
Degree；
The connecting hole is between second rolling-line and the third rolling-line；The 5th rolling-line top
Metal plate structure, that is, the interconnecting piece, the part metal plate structure between first rolling-line and third rolling-line are constituted
The link slot.Interconnecting piece structure containing link slot can be can be obtained with easy processing step using this kind of technique, it is raw
It is higher to produce efficiency.
Further, step d. second stage roll-in bending is additionally provided between the step c and step e: by the gold
Belong to plate to be bent upwards along the 6th rolling-line so that the metal plate of the 6th rolling-line two sides is in one and is less than mutually
The standard angle of 180 degree, the 6th rolling-line are located between the 5th rolling-line of two sides.It can be made using this kind of technique
Inner corner trim cold-rolled forming section.It is preferred that the standard angle is 90 degree.The cold-rolled forming section use scope of this kind of standard angle angle is relatively broad.
Preferably, the numerical value of described L1, L2, L3, L4, L5 meet the following conditions:: 0 < L1≤50mm, 0 < L2 < L1,0
< L3-L4≤50mm, 0 < L5≤50mm.The numerical value of the range more meets the reality of existing Application in Building.
Compared with the prior art, the advantages of the present invention are as follows: in the case where same cross-sectional area, the revolution of cold-rolled forming section
Radius can increase 50%-60% or so, and the cross sectional moment of inertia of cold-rolled forming section can increase 0.5-3.0 times or so, it is thus possible to more
The strength of materials is reasonably utilized, so, for cold-rolled forming section compared with normal steel structure, cold-rolled forming section can saving steel 30%-50%
Left and right, is greatly saved cost, and the present invention also obtains the mounting portion of link slot in such a way that clod wash is bent, is easy to use
When adjacent forms between disassembly；Cold roll forming step does not need the work that heat treatment, cooling etc. take a long time compared to hot rolling technology
Skill process, improves production efficiency；In addition punching step has also been included in cold-bending molding technology, so that most by the present invention together
The cold-rolled forming section of obtained by molding can assemble use immediately afterwards, it is not necessary to be machined out again, further improve production efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram of aligning screed step of the invention；
Fig. 2 is the schematic diagram of first time punching step of the invention；
Fig. 3 is the schematic diagram that roll-in of the invention bends step；
Fig. 4 is the schematic diagram of cutting step of the invention；
Fig. 5 is the schematic diagram of the electric welding step of embodiment 1；
Fig. 6 is the end structure illustration of the later side of the carry out step (1) of embodiment 1；
Fig. 7 is the end structure illustration of the later side of the carry out step (2) of embodiment 1；
Fig. 8 is the end structure illustration of the later side of the carry out step (3) of embodiment 1；
Fig. 9 is the end structure illustration of the later side of the carry out step (4) of embodiment 1；
Figure 10 is the end structure illustration of the later side of the carry out step (5) of embodiment 1；
Figure 11 is the end structure illustration of the later side of the carry out step (6) of embodiment 1；
Figure 12 is the end structure illustration of the later side of the carry out step (7) of embodiment 1；
Figure 13 is the end structure illustration of the later side of the carry out step (8) of embodiment 1；
Figure 14 is the end structure illustration of the later side of the carry out step (9) of embodiment 1；
Figure 15 is the end structure illustration of the later side of the carry out step (11) of embodiment 1；
The schematic diagram of (10) second of punching of the step of Figure 16 is embodiment 1；
Figure 17 is the structural schematic diagram of u-shaped cold-forming shapes made from embodiment 1；
Figure 18 is the end structure illustration of the later metal plate of the carry out step d of embodiment 2；
Figure 19 is the structural schematic diagram of inner corner trim cold-forming shapes made from embodiment 2；
Figure 20 is the end structure illustration that embodiment 3 carries out step (1) later side；
Figure 21 is the end structure illustration that embodiment 3 carries out step (2) later side；
Figure 22 is the end structure illustration that embodiment 3 carries out step (3) later side；
Figure 23 is the end structure illustration that embodiment 3 carries out step (4) later side；
Figure 24 is the end structure illustration that embodiment 3 carries out step (5) later side；
Figure 25 is the end structure illustration of u-shaped cold-forming shapes made from embodiment 3；
Figure 26 is the end structure illustration that embodiment 4 carries out the later metal plate of step d；
Figure 27 is the structural schematic diagram of inner corner trim cold-forming shapes made from embodiment 4.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.
The production technology for manufacturing the cold-forming shapes of following embodiments, includes the following steps, and following steps clod wash at
It is carried out on type production line
A aligning leveling: band-like metal plate 1 is subjected to aligning leveling with roller 2 as shown in Figure 1；
B first time punching: utilize punching mechanical 3 in the metal plate 1 according to required aperture d and pitch-row h as shown in Figure 2
Side along the length direction compartment of terrain stamping connection hole 4 of metal plate 1, following embodiments metal plate 1 along its length
Two equal punching presses in side connecting hole 4, the aperture d of the present embodiment is 16.5mm, and pitch-row h is 50mm.
C roll-in bending: the side of metal plate 1 is subjected to multiple roll-in and is bent to form interconnecting piece 5, interconnecting piece 5 includes edge
The link slot 51 of 1 length direction of metal plate setting, connecting hole 4 are located at the bottom of link slot 51, are to utilize roller 2 as shown in Figure 3
The schematic diagram that roll-in bending is carried out to metal plate 1, is provided with roller in the two sides up and down of metal plate to be bent into required shape；
E aligning: it is aligned with roller 2；
F cutting: the present embodiment as shown in Figure 4 is cut off metal plate 1 using the disconnecting device for thrusting gear stamping knife 6 is provided with
At required length specification.
Embodiment 1:
The side of left and right two of this implementation metal plate 1 has carried out step b, step c.
The step c of the present embodiment includes the following steps,
(1) side of metal plate 1 is bent into first angle β 1 along the downward roll-in of the first folding line A1, the first folding line A1 from
The distance of the end line B of the correspondence side of metal plate 1 is s1, and first angle β 1 is acute angle, and the first angle β 1 of the present embodiment is 45
Degree, forms structure as shown in Figure 6.The s1 of the present embodiment is 15mm.
(2) side of metal plate 1 is bent into second angle β 2, the second folding line A2 along the upward roll-in of the second folding line A2
In the first folding line A1 inside and be s2 with a distance from the first folding line A1, second angle β 2 is acute angle, the of the present embodiment
Two angles are 45 degree, form structure as shown in Figure 7.The s2 of this implementation is 5mm.
(3) side of metal plate 1 is bent into third angle β 3 along the downward roll-in of third folding line A3, third folding line A3
In the second folding line A2 inside and with a distance from the second folding line A2 be 1 size phase of s3, third angle β 3 and first angle β
Together, structure as shown in Figure 8 is formed.The third angle β 3 of the present embodiment is 45 degree, s3 34.6mm.
(4) side of metal plate 1 is bent into fourth angle β 4, the 4th folding line A4 along the upward roll-in of the 4th folding line A4
It is s4 between the second folding line A2 and with a distance from third folding line A3 in third folding line A3, and s4=s2, fourth angle β
4 is identical as 2 size of second angle β so that between the first folding line A1 and end line B part metals plate upper surface and the 4th
The upper surface of part metals plate 1 on the inside of folding line A4 is in the same plane；Form structure as shown in Figure 9.The 4th of this implementation
Angle beta 4 is 45 degree, s4 5mm, but since the numerical value of plate thickness and the influence s4 of machining accuracy may in actual production
Slight deviations are had, the general amount of deflection is all within 5mm.
(5) side of metal plate 1 is bent into the 5th angle beta 5, the 5th folding line A5 along the downward roll-in of the 5th folding line A5
In third folding line A3 inside and with a distance from third folding line A3 be s5, the 5th angle beta 5 and 1 size phase of first angle β
Together, structure as shown in Figure 10 is formed.5th angle beta 5 of this implementation is 45 degree, s5 56.6mm, but due to gold in actual production
The numerical value for belonging to the influence s4 of plate thickness and machining accuracy might have slight deviations, and the general amount of deflection is all within 5mm.
(6) side of metal plate 1 is bent into the 6th angle beta 6, the 6th folding line A6 along the downward roll-in of the 6th folding line A6
Between the 5th folding line A5 and third folding line A3, the 6th folding line A6 is s6, s6=s3 with a distance from the 5th folding line A5,
6th angle beta 6 is identical as 5 size of the 5th angle beta, forms structure as shown in figure 11.The β 6 of the present embodiment is 45 degree, s6=s3-
S4=29.6mm, but in actual production due to the numerical value of plate thickness and the influence s6 of machining accuracy might have it is a little partially
Difference, the general amount of deflection is all within 5mm.
(7) side of metal plate 1 is bent into the 7th angle beta 7, the 7th folding line A7 along the upward roll-in of the 7th folding line A7
Between the 6th folding line A6 and third folding line A3, the 7th folding line A7 is s7 with a distance from the 6th folding line A6, and s7=
S2, the 7th angle beta 7 is identical as the size of second angle β 2, forms structure as shown in figure 12.7th angle beta 7 of this implementation is 45
Degree, s7=s2=5mm, but since the numerical value of plate thickness and the influence s7 of machining accuracy may some in actual production
Perhaps deviation, the general amount of deflection is all within 5mm.
(8) side of metal plate 1 is bent into eighth angle β 8, the 8th folding line A8 along the upward roll-in of the 8th folding line A8
In the 5th folding line A5 inside and be s8, and s8=s2, eighth angle β 8 and the 7th angle beta with a distance from the 5th folding line A5
7 size is identical, forms structure as shown in figure 13.The eighth angle of the present embodiment is 45 degree, s8=s2=5mm, but practical raw
Since the numerical value of plate thickness and the influence s8 of machining accuracy might have slight deviations in production, the general amount of deflection is all
Within 5mm.
(9) side of metal plate 1 is bent into the 9th angle beta 9, the 9th folding line A9 along the upward roll-in of the 9th folding line A9
Between the 7th folding line A7 and third folding line A3, and the 9th folding line A9 is from the 7th folding line A7's and third folding line A3
Being equidistant is s9, the 9th angle beta 9 be 180 degree make the first folding line A1 and the 8th folding line A8, the second folding line A2 and
5th folding line A5, third folding line A3 and the 7th folding line A7, the 4th folding line A4 and the 6th folding line A6 overlap each other, shape
At structure as shown in figure 14.The s9 of the present embodiment is 11mm.
It is welded step: as described in Figure 5, using the resistance roller welding equipment for being provided with welding roll 8, utilizing resistance roller
Welding welds mutually 1 part of upper metal plate between end line B and the 9th folding line A9 with corresponding 1 part of lower metal plate
Connection.The present embodiment by between the second folding line and the 4th folding line upper metal plate part and the 5th folding line and the 6th
Lower metal plate part between folding line is mutually welded and connected；By the upper metal plate part between the first folding line and end line
It is mutually welded and connected with corresponding lower metal plate part.Selection connects the two parts and is more convenient to operate.
Connecting hole 4 further includes step between aforementioned second folding line A2 and the 4th folding line A4 in this step
(10) second of punching: as shown in figure 16, the punching apparatus that a red needle 7 is provided in two sides is utilized
Punching press and 4 position of connecting hole replacement company corresponding with size between the 5th folding line A5 and the 6th folding line A6
Connect hole 41；So that connecting hole 4 is mutually communicated with supplement connecting hole.
(11) side of metal plate 1 is bent into the tenth angle beta 10, the tenth folding line along the upward roll-in of the tenth folding line A10
It is s10, and s10 >=s1, the tenth angle beta 10 that A10, which is located at the inside of the 8th folding line A8 and the distance of the 8th folding line A8 of distance,
Be 90 degree, the interconnecting piece 5 that 1 structure of metal plate on the tenth top folding line A10 is, the 7th folding line A7 and the 8th folding line A8 it
Between 1 structure of part metals plate constitute link slot 51, form structure as shown in figure 15.The s10 of this implementation is 20mm.
As long as the numerical value of above-mentioned s1 to s9 can be with 0 < in addition to the numerical value that the numerical value in the present embodiment meets following requirements
S9≤50mm, 0 < s2 < s1,0 < s3-s4≤50mm, 0 < s8≤50mm, further preferably 5 < s9≤30mm, 0 < s2 <
S1,5 < s3-s4≤40mm, 5 < s8≤35mm.The altitude range of further preferred interconnecting piece 5 is 50mm~80mm.
By above-mentioned technique up to u-shaped cold-forming shapes as shown in figure 17, the width of this kind of cold-forming shapes is generally 100mm
~600mm.
Embodiment 2:
This implementation the difference from embodiment 1 is that:
Step d. second stage roll-in bending is additionally provided between step c and step e: metal plate 1 is curved along the 11st
Broken line A11 is bent upwards so that the technique that the metal plate 1 of the 11st two sides folding line A11 is less than 180 degree in one mutually
Angle α, the 11st folding line A11 are located between the tenth folding line A10 of two sides, form structure as shown in figure 18.
The process corner α of the present embodiment is 90 degree, the 11st two the tenth folding lines of folding line A11 distance of the present embodiment
A10's is equidistant, and in addition to this two the tenth folding line A10 distances of distance do not wait feasible yet.
By above-mentioned technique up to inner corner trim cold-forming shapes as shown in figure 19, the width of this kind of cold-forming shapes is generally
100mm~600mm.
Embodiment 3:
The present embodiment the difference from embodiment 1 is that:
Step c includes the following steps,
(1) side of metal plate 1 is bent into the first degree γ 1, the first rolling-line C1 along the upward roll-in of the first rolling-line C1
It is L1 with a distance from end line B from the corresponding side of metal plate 1, the first degree γ 1 is acute angle, forms structure as shown in figure 20.This reality
The the first degree γ 1 for applying example is 45 degree, L1 15mm.
(2) side of metal plate 1 is bent into the second degree γ 2, the second rolling-line C2 along the downward roll-in of the second rolling-line C2
Positioned at the first rolling-line C1 inside and with a distance from the first rolling-line C1 be L2, the second degree γ 2 be acute angle；Form such as Figure 21
Shown structure.The second degree γ 2 of the present embodiment is 45 degree, L2 5mm.
(3) side of metal plate 1 is bent into third degree γ 3, third rolling-line C3 along the upward roll-in of third rolling-line C3
Positioned at the second rolling-line C2 inside and with a distance from the second rolling-line C2 be L3, third degree 1 size of γ 3 and the first degree γ
It is identical；Form structure as shown in figure 22.The third degree γ 3 of the present embodiment is 45 degree, L3 37.5mm.
(4) side of metal plate 1 is bent into fourth several γ 4, the 4th rolling-line C4 along the downward roll-in of the 4th rolling-line C4
It is L4 between the second rolling-line C2 and with a distance from third rolling-line C3 positioned at third rolling-line C3, and L4=L2, it is fourth
Number γ 4 it is identical as 2 size of the second degree γ so that between the first rolling-line C1 and end line B part metals plate upper surface
In the same plane with the upper surface of the part metals plate 1 on the inside of the 4th rolling-line C4, structure as shown in figure 23 is formed.This implementation
Fourth several γ 4 of example are 45 degree, L4 5mm.
(5) side of metal plate 1 is folded upward at the 5th degree γ 5 along the 5th rolling-line C5, the 5th degree γ 5 is 90
Degree, it is L5, L5 > 0 that the 5th rolling-line C5, which is located at the inside of third rolling-line C3 and the distance apart from third rolling-line C3, is formed
Structure as shown in figure 24.The L5 of the present embodiment is 15mm.
Connecting hole 4 is between the second rolling-line C2 and third rolling-line C3；1 knot of metal plate on the 5th top rolling-line C5
Structure, that is, interconnecting piece 5,1 structure of part metals plate between the first rolling-line C1 and third rolling-line C3 constitute link slot 51.
As long as the numerical value of above-mentioned L1 to L5 is numerical value in addition to the numerical value in the present embodiment meets following requirements: 0 <
L1≤50mm, 0 < L2 < L1,0 < L3-L4≤50mm, 0 < L5≤50mm；Further preferably 0 < L1≤50mm, 0 < L2 <
L1,0 < L3-L4≤50mm, 0 < L5≤50mm.The altitude range of further preferred interconnecting piece 5 is 50mm~80mm.
By above-mentioned technique up to u-shaped cold-forming shapes as shown in figure 25；The width of this kind of cold-forming shapes be generally 100mm~
600mm。
Embodiment 4:
The difference of the present embodiment and embodiment 3 is to be additionally provided with step d. second stage roller between step c and step e
It bends folding: metal plate 1 is bent upwards along the 6th rolling-line C6 so that the metal plate 1 of the 6th two sides rolling-line C6 is in mutually
One is less than the standard angle θ of 180 degree, and the 6th rolling-line C6 is located between the 5th rolling-line C5 of two sides, is formed as shown in figure 26
Structure.The standard angle θ of the present embodiment is 90 degree.The distance phase of 6th two the 5th rolling-line C5 of rolling-line distance of the present embodiment
Deng in addition to this 5th rolling-line C5 distance of distance two is not equal also feasible.
By above-mentioned technique up to inner corner trim cold-forming shapes as shown in figure 27；The width of this kind of cold-forming shapes is generally 100mm
~600mm.
The resulting profile purposes of above-described embodiment includes the classes such as foot rest for building, template.
Claims (9)
1. the production technology of cold-forming shapes, comprising the following steps:
A aligning leveling: band-like metal plate (1) is subjected to aligning leveling with roller (2)；
B first time punching: according to required aperture d and pitch-row h in the side of the metal plate (1) along the metal plate (1)
Length direction compartment of terrain stamping connection hole (4)；
C roll-in bending: the side of the metal plate (1) is subjected to multiple roll-in and is bent to form interconnecting piece (5), the interconnecting piece
It (5) include the link slot (51) being arranged along the metal plate (1) length direction, the connecting hole (4) is located at the link slot
(51) bottom；
E aligning: it is aligned with roller (2)；
F cutting: metal plate (1) is cut into required length specification；
It is characterized by: the step c includes the following steps, (1) is by the side of the metal plate (1) along the first folding line (A1)
Downward roll-in bending first angle (β 1), the end line (B) of the correspondence side of the first folding line (A1) from the metal plate (1)
Distance be s1, the first angle (β 1) be acute angle；
(2) by the side of the metal plate (1), along the second folding line (A2), roll-in bends second angle (β 2) upwards, and described second
Folding line (A2) is located at the inside of first folding line (A1) and with a distance from first folding line (A1) for s2, and described the
Two angles (β 2) are acute angle；
(3) by the side of the metal plate (1) along third folding line (A3) bending of roll-in downwards third angle (β 3), the third
Folding line (A3) is located at the inside of second folding line (A2) and with a distance from second folding line (A2) for s3, and described the
Three angles (β 3) are identical as the first angle (β 1) size；
(4) by the side of the metal plate (1), along the 4th folding line (A4), roll-in bends fourth angle (β 4) upwards, and the described 4th
Folding line (A4) is between the third folding line (A3) and second folding line (A2) and from the third folding line
(A3) distance is s4, and s4=s2, the fourth angle (β 4) are identical as the second angle (β 2) size；
(5) by the side of the metal plate (1) along the 5th folding line (A5) downwards roll-in bend the 5th angle (β 5), the described 5th
Folding line (A5) is located at the inside of the third folding line (A3) and with a distance from the third folding line (A3) for s5, and described the
Five angles (β 5) are identical as the first angle (β 1) size；
(6) side of the metal plate (1) is bent into hexagonal degree (β 6) along the roll-in downwards of the 6th folding line (A6), the described 6th
Folding line (A6) between the 5th folding line (A5) and the third folding line (A3), the 6th folding line (A6) from
The distance of 5th folding line (A5) is s6, and s6=s3-s4, the hexagonal degree (β 6) and the 5th angle (β 5) are big
It is small identical；
(7) by the side of the metal plate (1), along the 7th folding line (A7), roll-in bends heptangle degree (β 7) upwards, and the described 7th
Folding line (A7) between the 6th folding line (A6) and the third folding line (A3), the 7th folding line (A7) from
The distance of 6th folding line (A6) is s7, and s7=s2, the heptangle degree (β 7) are big with the second angle (β 2)
It is small identical；
(8) by the side of the metal plate (1), along the 8th folding line (A8), roll-in bends eighth angle (β 8) upwards, and the described 8th
Folding line (A8) is located at the inside of the 5th folding line (A5) and is s8 with a distance from the 5th folding line (A5), and s8=
S2, the eighth angle (β 8) are identical as the size of the heptangle degree (β 7)；
(9) by the side of the metal plate (1) along the 9th folding line (A9) upwards roll-in bend the 9th angle (β 9), the described 9th
Folding line (A9) is between the 7th folding line (A7) and the third folding line (A3), and the 9th folding line (A9)
It is s9 from the 7th folding line (A7) and being equidistant for third folding line (A3), the 9th angle (β 9) is 180 degree
So that first folding line (A1) and the 8th folding line (A8), second folding line (A2) and the 5th folding line
(A5), the third folding line (A3) and the 7th folding line (A7), the 4th folding line (A4) and the 6th bending
Line (A6) overlaps each other；
The connecting hole (4) further includes in this step between aforementioned second folding line (A2) and the 4th folding line (A4)
Second of the punching of step (10): punching press and the connection between the 5th folding line (A5) and the 6th folding line (A6)
Corresponding supplement connecting hole (4) that hole (4) is mutually communicated；
(11) by the side of the metal plate (1), along the tenth folding line (A10), roll-in bends the tenth angle (β 10) upwards, described
Tenth folding line (A10) is located at the inside of the 8th folding line (A8) and the distance apart from the 8th folding line (A8) is
S10, and s10 >=s1, the tenth angle (β 10) are 90 degree,
Metal plate (1) structure on the tenth folding line (A10) top is the interconnecting piece (5), the 7th folding line
(A7) the part metal plate (1) structure between the 8th folding line (A8) constitutes the link slot (51).
2. the production technology of cold-forming shapes according to claim 1, it is characterised in that: the height (H) of the interconnecting piece (5)
For 50~80mm.
3. the production technology of cold-forming shapes according to claim 1, it is characterised in that: in the step (9) and the step
Suddenly electric welding step is additionally provided between (10): will be upper between the end line (B) and the 9th folding line (A9) using welding is rolled
Portion's metal plate (1) is partially mutually welded and connected with corresponding lower metal plate (1) part.
4. the production technology of cold-forming shapes according to claim 3, it is characterised in that: between the step c and step e
It is additionally provided with step d second stage roll-in bending: the metal plate (1) is bent upwards along the 11st folding line (A11)
So that the mutual process corner (α) for being less than 180 degree in one of the metal plate (1) of the 11st two sides folding line (A11), the described 11st
Folding line (A11) is located between the tenth folding line (A10) of two sides.
5. according to claim 1 to the production technology of cold-forming shapes described in 4 any claims, it is characterised in that: the s1,
The numerical value further satisfaction the following conditions of s2, s3, s4, s8, s9: 0 < s9≤50mm, 0 < s2 < s1,0 < s3-s4≤50mm, 0
< s8≤50mm.
6. the production technology of cold-forming shapes, comprising the following steps:
A aligning leveling: band-like metal plate (1) is subjected to aligning leveling with roller (2)；
B first time punching: according to required aperture d and pitch-row h in the side of the metal plate (1) along the metal plate (1)
Length direction compartment of terrain stamping connection hole (4)；
C roll-in bending: the side of the metal plate (1) is subjected to multiple roll-in and is bent to form interconnecting piece (5), the interconnecting piece
It (5) include the link slot (51) being arranged along the metal plate (1) length direction, the connecting hole (4) is located at the link slot
(51) bottom；
E aligning: it is aligned with roller (2)；
F cutting: metal plate (1) is cut into required length specification；
It is characterized by: the step c includes the following steps, (1) is by the side of the metal plate (1) along the first rolling-line (C1)
Upward roll-in bending the first degree (γ 1), end line (B) of first rolling-line (C1) from the metal plate (1) corresponding side
Distance be L1, first degree (γ 1) be acute angle；
(2) by the side of the metal plate (1) along the second rolling-line (C2) bending of roll-in downwards the second degree (γ 2), described the
Two rolling-lines (C2) are located at the inside of first rolling-line (C1) and are L2 with a distance from first rolling-line (C1), described
Second degree (γ 2) is acute angle；
(3) by the side of the metal plate (1) along third rolling-line (C3) roll-in bending third degree (γ 3) upwards, described the
Three rolling-lines (C3) are located at the inside of second rolling-line (C2) and are L3 with a distance from second rolling-line (C2), described
Third degree (γ 3) is identical as the first degree (γ 1) size；
(4) side of the metal plate (1) is bent into fourth number (γ 4) along the roll-in downwards of the 4th rolling-line (C4), described the
Four rolling-lines (C4) are between the third rolling-line (C3) and the second rolling-line (C2) and from the third rolling-line (C3)
Distance be L4, and L4=L2, the fourth number (γ 4) are identical as the second degree (γ 2) size；
(5) side of the metal plate (1) is folded upward at the 5th degree (γ 5), the 5th roller along the 5th rolling-line (C5)
Crimping (C5) is located at the inside of the third rolling-line (C3) and distance apart from the third rolling-line (C3) is L5, L5 > 0,
5th degree (γ 5) is 90 degree；
The connecting hole (4) is between second rolling-line (C2) and the third rolling-line (C3)；5th roll-in
Metal plate (1) structure, that is, interconnecting piece (5) on the top line (C5), first rolling-line (C1) and third rolling-line (C3) it
Between the part metal plate (1) structure constitute the link slot (51).
7. the production technology of cold-forming shapes according to claim 6, it is characterised in that: the height (H) of the interconnecting piece (5)
For 50~80mm.
8. the production technology of cold-forming shapes according to claim 6, it is characterised in that: between the step c and step e
Be additionally provided with step d second stage roll-in bending: the metal plate (1) bent along the 6th rolling-line (C6) upwards so that
The metal plate (1) of the 6th two sides rolling-line (C6) is less than mutually the standard angle (θ) of 180 degree, the 6th rolling-line in one
(C6) between the 5th rolling-line (C5) of two sides.
9. according to the production technology of cold-forming shapes described in claim 6 to 8 any claim, it is characterised in that: the L1,
The numerical value of L2, L3, L4, L5 meet the following conditions: 0 < L1≤50mm, 0 < L2 < L1,0 < L3-L4≤50mm, 0 < L5≤
50mm。
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| KR101139232B1 (en) * | 2009-09-09 | 2012-04-20 | 주식회사 미륭산업 | Method for manufacturing all in one drainage trench using roll forming and the drainage trench |
| CN101954396B (en) * | 2010-05-31 | 2011-12-14 | 南京万汇新材料科技有限公司 | Roll type continuous cold-bending forming fabricating method for U-shaped steel sheet pile |
| CN102974684B (en) * | 2012-12-17 | 2015-03-11 | 江苏申阳电梯部件有限公司 | Method for cold roll forming of carbon steel plate section guide rail |
| CN103212624B (en) * | 2013-03-23 | 2015-12-23 | 北方工业大学 | Variable-section roll-bending fabrication line and variable-section roll-bending manufacturing process |
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| CN106195607B (en) * | 2016-08-25 | 2018-05-29 | 上海佳冷型钢有限公司 | Local closed open cold-forming sectional steel and its moulding process |
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