CN108435906A - The production technology of cold-forming shapes - Google Patents
The production technology of cold-forming shapes Download PDFInfo
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- CN108435906A CN108435906A CN201810402523.7A CN201810402523A CN108435906A CN 108435906 A CN108435906 A CN 108435906A CN 201810402523 A CN201810402523 A CN 201810402523A CN 108435906 A CN108435906 A CN 108435906A
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- folding line
- line
- metallic plate
- rolling
- angle
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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
-
- 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
Abstract
The present invention relates to the production technologies of cold-forming shapes, include the following steps：A aligning levelings：Band-like metallic plate (1) is subjected to aligning leveling with roller (2)；B first time punchings：According to required aperture d and pitch-row h in the side of the metallic plate (1) along the length direction compartment of terrain stamping connection hole (4) of the metallic plate (1)；C roll-ins are bent：The side of the metallic 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) being arranged along the metallic plate (1) length direction, and the connecting hole (4) is located at the bottom of the link slot (51)；E is aligned：It is aligned with roller (2)；F is cut off：Metallic plate (1) is cut into required length specification.This kind of production technology production efficiency is high, cost-effective and manufactured with shaped steel suitable for building template.
Description
Technical field
The present invention relates to the production technology of cold-forming shapes,
Background technology
Building template typically now uses the hot rolling technology of multiple tracks rolling to produce with proximate matter, generally comprises heating, multiple tracks is rolled
The flows such as system, cut-out, 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 condition, 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 proximate matter, therefore be applied in the production of proximate matter more and more widely.
But the proximate matter 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 the Chinese invention patent of Publication No. CN101564741A《A kind of cold bending shaping method of cold-rolled forming section outer circle wedge angle》Institute
Show, and the basic structure needed for template proximate matter can refer to the Chinese utility model patent that notification number is CN2259453Y《Template side
Frame-type steel》, this kind of template proximate matter also needs to connecting hole, and can form 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 proximate matter.It needs to provide a kind of life can be suitably used for the cold-forming shapes that building template is manufactured with shaped steel
Production. art.
Invention content
The technical problem to be solved by the present invention is to for the present situation of the prior art provide a kind of production efficiency is high, save at
This production technology for being suitable for the cold-forming shapes that building template is manufactured with shaped steel.
Technical solution is used by the present invention solves above-mentioned technical problem：The production technology of cold-forming shapes, including it is following
Step：
A aligning levelings：Band-like metallic plate is subjected to aligning leveling with roller；
B first time punchings：According to required aperture d and pitch-row h in the side of the metallic plate along the length of the metallic plate
Spend direction compartment of terrain stamping connection hole；
C roll-ins are bent：The side of the metallic plate is subjected to multiple roll-in and is bent to form interconnecting piece, the interconnecting piece includes
There are the link slot being arranged along the metallic plate length direction, the connecting hole to be located at the bottom of the link slot；
E is aligned：It is aligned with roller；
F is cut off：Metallic plate is cut into required length specification.
The preferred technique of one of which, the step c include the following steps,
(1) side of the metallic 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 metallic plate, the first angle is acute angle；
(2) side of the metallic plate is bent into second angle, second folding line along the upward roll-in of the second folding line
It is s2 positioned at the inside of first folding line and with a distance from first folding line, the second angle is acute angle；
(3) side of the metallic plate is bent into third angle, the third folding line along the downward roll-in of third folding line
Be s3 positioned at the inside of second folding line and with a distance from second folding line, the third angle with described first jiao
It is identical to spend size；
(4) side of the metallic plate is bent into fourth angle, the 4th folding line along the upward roll-in of the 4th folding line
It is s4, and s4=s2 between second folding line and with a distance from the third folding line positioned at the third folding line,
The fourth angle is identical as the second angle size；
(5) side of the metallic plate is bent into the 5th angle, the 5th folding line along the downward roll-in of the 5th folding line
Be s5 positioned at the inside of the third folding line and with a distance from the third folding line, the 5th angle with described first jiao
It is identical to spend size；
(6) side of the metallic 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 metallic 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 metallic plate is bent into eighth angle, the 8th folding line along the upward roll-in of the 8th folding line
Be s8 positioned at the inside of the 5th folding line and 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 metallic 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
The equal distance of 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) in this step between aforementioned second folding line and the 4th folding line
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 metallic plate is bent into the tenth angle, the tenth folding line along the upward roll-in of the tenth folding line
Distance positioned at the inside of the 8th folding line and apart from the 8th folding line is s10, and s10 >=s1, the described ten jiao
Degree is 90 degree,
The i.e. described interconnecting piece of the metal plate structure on the tenth folding line top, the 7th folding line and the 8th bending
The part metal plate structure between line constitutes the link slot.It can be shaped to double panel structure using this kind of technique
Interconnecting piece, strengthen the intensity of interconnecting piece；And the perforation for solving the connecting hole of double panel structure by second of punching is asked
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 is more conform with that existing building construction is practical to be made
Demand.
Further, it is additionally provided with electric welding step between step (9) and the step (10) described in above-mentioned technique：It utilizes
Roll welding by between the end line and the 9th folding line upper metal plate part and corresponding lower metal plate part it 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-ins are additionally provided between step c and step e described in above-mentioned technique
Folding:The metallic plate is subjected to bending so that the metallic plate of the 11st folding line both sides is mutual upwards along the 11st bending
The process corner for being mutually less than 180 degree in one, the 11st folding line are located between the tenth folding line of both sides.Use this
Inner corner trim cold-rolled forming section can be made in kind technique.Can preferably the process corner it be 90 degree.The cold-rolled forming section of this kind of process corner angle
Use scope is relatively broad.Can also preferably the first angle it be 45 degree, the second angle is 45 degree.Select this angle
Size has preferable mechanical property after cold roll forming, and convenient for the design and manufacture of associated process equipment.
Further, the numerical value of described s1, s2, s3, s4, s8, s9 further meet the following conditions：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 metallic plate is bent into first number of degrees, first roll-in along the upward roll-ins of the first rolling-line C1
Line C1 is L1 with a distance from the end line that the metallic plate corresponds to side, and first number of degrees are acute angle；
(2) side of the metallic plate is bent into second number of degrees, second rolling-line along the downward roll-in of the second rolling-line
It is L2 positioned at the inside of the first rolling-line C1 and with a distance from the first rolling-line C1, second number of degrees are acute angle；
(3) side of the metallic plate is bent into the third number of degrees, 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 number of degrees with described first degree
Number size is identical；
(4) side of the metallic plate is bent into fourth number, the 4th rolling-line along the downward roll-in of the 4th rolling-line
(it is L4 to be located at the third rolling-line between the second rolling-line and with a distance from the third rolling-line, and L4=L2, described
Fourth number is identical as second number of degrees size；
(5) side of the metallic plate is folded upward at the 5th number of degrees, the 5th rolling-line C5 along the 5th rolling-line C5
Distance positioned at the inside of the third rolling-line and apart from the third rolling-line is L5, L5 ＞ 0, and the 5th number of degrees are 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-ins bending is additionally provided between the step c and step e:By the gold
Belong to plate and carries out bending upwards along the 6th rolling-line so that the metallic plate of the 6th rolling-line both sides is less than in one mutually
The standard angle of 180 degree, the 6th rolling-line are located between the 5th rolling-line of both 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 of 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 is also obtained the mounting portion of link slot by way of clod wash bending, is easy to use
When adjacent forms between dismounting；Cold roll forming step, which need not be heat-treated, cool down etc. compared to hot rolling technology, takes longer work
Skill flow, improves production efficiency；In addition punching step has been included also in cold-bending molding technology together by the present invention so that most
Cold-rolled forming section obtained by aftershaping can assemble use immediately, it is not necessary to be machined out again, further improve production efficiency.
Description of the drawings
Fig. 1 is the schematic diagram of the aligning screed step of the present invention；
Fig. 2 is the schematic diagram of the first time punching step of the present invention；
Fig. 3 is that the roll-in of the present invention bends the schematic diagram of step；
Fig. 4 is the schematic diagram of the cut-out step of the present invention；
Fig. 5 is the schematic diagram of the electric welding step of embodiment 1；
Fig. 6 is the end structure illustration of carry out step (1) later side of embodiment 1；
Fig. 7 is the end structure illustration of carry out step (2) later side of embodiment 1；
Fig. 8 is the end structure illustration of carry out step (3) later side of embodiment 1；
Fig. 9 is the end structure illustration of carry out step (4) later side of embodiment 1；
Figure 10 is the end structure illustration of carry out step (5) later side of embodiment 1；
Figure 11 is the end structure illustration of carry out step (6) later side of embodiment 1；
Figure 12 is the end structure illustration of carry out step (7) later side of embodiment 1；
Figure 13 is the end structure illustration of carry out step (8) later side of embodiment 1；
Figure 14 is the end structure illustration of carry out step (9) later side of embodiment 1；
Figure 15 is the end structure illustration of carry out step (11) later side 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 metallic plates of 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 metallic plates of step d；
Figure 27 is the structural schematic diagram of inner corner trim cold-forming shapes made from embodiment 4.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is 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 levelings：Band-like metallic plate 1 is subjected to aligning leveling with roller 2 as shown in Figure 1；
B first time punchings：Utilize punching mechanical 3 in the metallic 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 metallic plate 1, following embodiments metallic 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-ins are bent：The side of metallic 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 metallic 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 metallic plate 1, is both provided with roller to be bent into required shape in the both sides up and down of metallic plate；
E is aligned：It is aligned with roller 2；
F is cut off：The present embodiment as shown in Figure 4 is cut off metallic 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 metallic plate 1 has carried out step b, step c.
The step c of the present embodiment includes the following steps,
(1) by the side of metallic plate 1 along the first folding line A1 downward roll-in bending first angles β 1, the first folding line A1 from
The distance of the end line B of the correspondence side of metallic 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) by the side of metallic plate 1 along the upward roll-in bending second angle β 2 of the second folding line A2, the second folding line A2
In the inside of the first folding line A1 and it is 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) by the side of metallic plate 1 along the downward roll-in bending third angle β 3 of third folding line A3, third folding line A3
It is 1 size phase of s3, third angle β 3 and first angle β in the inside of the second folding line A2 and with a distance from the second folding line A2
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) by the side of metallic plate 1 along the upward roll-in bending fourth angle β 4 of the 4th folding line A4, the 4th folding line A4
In third folding line A3 be s4, and s4=s2, fourth angle β between the second folding line A2 and with a distance from third folding line A3
4 is identical as 2 sizes 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 can in actual production
Slight deviations can be had, the general amount of deflection is all within 5mm.
(5) side of metallic plate 1 is bent into the 5th angle beta 5, the 5th folding line A5 along the downward roll-ins of the 5th folding line A5
It is s5, the 5th angle beta 5 and 1 size phases of first angle β in the inside of third folding line A3 and with a distance from third folding line A3
Together, structure as shown in Figure 10 is formed.5th angle beta 5 of this implementation is 45 degree, s5 56.6.mm, but due to gold in actual production
The numerical value for belonging to plate thickness and the influence s4 of machining accuracy might have slight deviations, and the general amount of deflection is all within 5mm.
(6) side of metallic plate 1 is bent into the 6th angle beta 6, the 6th folding line A6 along the downward roll-ins 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 metallic plate 1 is bent into the 7th angle beta 7, the 7th folding line A7 along the upward roll-ins 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) by the side of metallic plate 1 along the upward roll-in bending eighth angle β 8 of the 8th folding line A8, the 8th folding line A8
It is s8 in the inside of the 5th folding line A5 and with a distance from the 5th folding line A5, and s8=s2, eighth angle β 8 and the 7th angle beta
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 metallic plate 1 is bent into the 9th angle beta 9, the 9th folding line A9 along the upward roll-ins 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
Apart from it is equal be 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, resistance roller is utilized
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.In the present embodiment by upper metal plate part and the 5th folding line and the 6th between the second folding line and the 4th folding line
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 in this step between aforementioned second folding line A2 and the 4th folding line A4
(10) second of punching：As shown in figure 16, the punching apparatus being respectively provided in both sides there are one red needle 7 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 metallic plate 1 is bent into the tenth angle beta 10, the tenth folding line along the upward roll-ins of the tenth folding line A10
A10 is located at the distance of the inside of the 8th folding line A8 and the 8th folding line A8 of distance for s10, and s10 >=s1, the tenth angle beta 10
Be 90 degree, the interconnecting piece 5 that 1 structure of metallic plate on the tenth tops 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 and embodiment 1 difference lies in：
Step d. second stage roll-ins bending is additionally provided between step c and step e:Metallic plate 1 is curved along the 11st
Broken line A11 carries out bending upwards so that the technique that the metallic plate 1 of the 11st both 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 both 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 distances of the present embodiment
The distance of A10 is equal, 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 and embodiment 1 difference lies in:
Step c includes the following steps,
(1) side of metallic plate 1 is bent into the first number of degrees γ 1, the first rolling-line C1 along the upward roll-ins of the first rolling-line C1
It is L1 with a distance from the end line B that metallic plate 1 corresponds to side, the first number of degrees γ 1 is acute angle, forms structure as shown in figure 20.This reality
The first number of degrees γ 1 for applying example is 45 degree, L1 15mm.
(2) side of metallic plate 1 is bent into the second number of degrees γ 2, the second rolling-line C2 along the downward roll-ins of the second rolling-line C2
It is L2 positioned at the inside of the first rolling-line C1 and with a distance from the first rolling-line C1, the second number of degrees γ 2 is acute angle；Form such as Figure 21
Shown structure.Second number of degrees γ 2 of the present embodiment is 45 degree, L2 5mm.
(3) by the side of metallic plate 1 along the upward roll-in bending third number of degrees γ 3 of third rolling-line C3, third rolling-line C3
It is L3, the third number of degrees 1 size of γ 3 and the first number of degrees γ positioned at the inside of the second rolling-line C2 and with a distance from the second rolling-line C2
It is identical；Form structure as shown in figure 22.The third number of degrees γ 3 of the present embodiment is 45 degree, L3 37.5mm.
(4) side of metallic plate 1 is bent into fourth several γ 4, the 4th rolling-line C4 along the downward roll-ins of the 4th rolling-line C4
It is L4, and L4=L2 between the second rolling-line C2 and with a distance from third rolling-line C3 positioned at third rolling-line C3, it is fourth
Number γ 4 it is identical as 2 sizes of the second number of degrees 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 metallic plate 1 is folded upward at the 5th number of degrees γ 5 along the 5th rolling-line C5, the 5th number of degrees 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 metallic plate on the 5th tops 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：
Difference lies in step d. second stage rollers are additionally provided between step c and step e for the present embodiment and embodiment 3
Bend folding:Metallic plate 1 is subjected to bending so that the metallic plate 1 of the 6th both sides rolling-line C6 is in mutually upwards along the 6th rolling-line C6
One standard angle θ for being less than 180 degree, the 6th rolling-line C6 are located between the 5th rolling-line C5 of both sides, are 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 distances of distance two are 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.
Proximate matter purposes obtained by above-described embodiment includes the classes such as foot rest for building, template.
Claims (10)
1. the production technology of cold-forming shapes, includes the following steps：
A aligning levelings：Band-like metallic plate (1) is subjected to aligning leveling with roller (2)；
B first time punchings：According to required aperture d and pitch-row h in the side of the metallic plate (1) along the metallic plate (1)
Length direction compartment of terrain stamping connection hole (4)；
C roll-ins are bent：The side of the metallic plate (1) is subjected to multiple roll-in and is bent to form interconnecting piece (5), the interconnecting piece
(5) include the link slot (51) being arranged along the metallic plate (1) length direction, the connecting hole (4) is located at the link slot
(51) bottom；
E is aligned：It is aligned with roller (2)；
F is cut off：Metallic plate (1) is cut into required length specification.
2. the production technology of cold-forming shapes according to claim 1, it is characterised in that：The step c includes the following steps,
(1) by the side of the metallic plate (1) along the first folding line (A1) downwards roll-in bending first angle (β 1), described first
It is s1 with a distance from end line (B) of the folding line (A1) from the correspondence side of the metallic plate (1), the first angle (β 1) is sharp
Angle；
(2) by the side of the metallic plate (1) along the second folding line (A2) upwards roll-in bending second angle (β 2), described second
Folding line (A2) is located at the inside of first folding line (A1) and is s2 with a distance from first folding line (A1), and described the
Two angles (β 2) are acute angle；
(3) by the side of the metallic plate (1) along third folding line (A3) the bending third angle of roll-in downwards (β 3), the third
Folding line (A3) is located at the inside of second folding line (A2) and is s3 with a distance from second folding line (A2), and described the
Three angles (β 3) are identical as the first angle (β 1) size；
(4) by the side of the metallic plate (1) along the 4th folding line (A4) upwards roll-in bending fourth angle (β 4), 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 metallic 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 is s5 with a distance from the third folding line (A3), and described the
Five angles (β 5) are identical as the first angle (β 1) size；
(6) by the side of the metallic plate (1) along the 6th folding line (A6) downwards roll-in bending hexagonal degree (β 6), 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) are big with the 5th angle (β 5)
It is small identical；
(7) by the side of the metallic plate (1) along the 7th folding line (A7) upwards roll-in bending heptangle degree (β 7), 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 metallic plate (1) along the 8th folding line (A8) upwards roll-in bending eighth angle (β 8), 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 heptangle degree (β 7)；
(9) by the side of the metallic 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)
Equal with a distance from the 7th folding line (A7) and third folding line (A3) is s9, and 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) bends with the 7th folding line (A7), the 4th folding line (A4) with the described 6th
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)
The corresponding supplement connecting hole (4) that hole (4) is mutually communicated；
(11) by the side of the metallic 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,
The i.e. described interconnecting piece (5) of metallic plate (1) structure on the tenth folding line (A10) top, the 7th folding line
(A7) part the metallic plate (1) structure between the 8th folding line (A8) constitutes the link slot (51).
3. the production technology of cold-forming shapes according to claim 2, it is characterised in that：The height (H) of the interconnecting piece (5)
For 50~80mm.
4. the production technology of cold-forming shapes according to claim 2, it is characterised in that：In the step (9) and the step
Suddenly it is additionally provided with electric welding step between (10)：It will be upper between the end line (B) and the 9th folding line (A9) using welding is rolled
Portion's metallic plate (1) is partly mutually welded and connected with corresponding lower metal plate (1) part.
5. the production technology of cold-forming shapes according to claim 4, it is characterised in that：Between the step c and step e
It is additionally provided with step d. second stage roll-ins bending:The metallic plate (1) is carried out upwards along the 11st folding line (A11)
Bending is so that the process corner (α) that the metallic plate (1) of the 11st folding line (A11) both sides is less than 180 degree in one mutually, institute
The 11st folding line (A11) is stated to be located between the tenth folding line (A10) of both sides.
6. according to the production technology of the cold-forming shapes described in claim 1 to 5, it is characterised in that：The s1, s2, s3, s4, s8,
The numerical value of s9 further meets the following conditions：0 ＜ s9≤50mm, 0 ＜ s2 ＜ s1,0 ＜ s3-s4≤50mm, 0 ＜ s8≤50mm.
7. the production technology of cold-forming shapes according to claim 1, it is characterised in that：The step c includes the following steps,
(1) side of the metallic plate (1) is bent into first number of degrees (γ 1) along the upward roll-ins of the first rolling-line C1, described first
Rolling-line C1 is L1 with a distance from the end line (B) from the corresponding side of the metallic plate (1), and first number of degrees (γ 1) are acute angle；
(2) side of the metallic plate (1) is bent into second number of degrees (γ 2) along the second rolling-line (C2) roll-in downwards, described the
Two rolling-lines (C2) are located at the inside of the first rolling-line C1 and are L2 with a distance from the first rolling-line C1, and described second
The number of degrees (γ 2) are acute angle；
(3) by the side of the metallic plate (1) along third rolling-line (C3) the roll-in bending third number of degrees (γ 3) upwards, described the
Three rolling-lines (C3) are located at described
The inside of second rolling-line (C2) and with a distance from second rolling-line (C2) be L3, the third number of degrees (γ 3) with
First number of degrees (γ 1) size is identical；
(4) side of the metallic 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 second number of degrees (γ 2) size；
(5) side of the metallic plate (1) is folded upward at the 5th number of degrees (γ 5), the 5th roll-in along the 5th rolling-line C5
Line 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, described
5th number of degrees (γ 5) are 90 degree；
The connecting hole (4) is between second rolling-line (C2) and the third rolling-line (C3)；5th roll-in
Metallic plate (1) structure, that is, interconnecting piece (5) on the tops line C5, between the first rolling-line C1 and third rolling-line (C3)
Part the metallic plate (1) structure constitutes the link slot (51).
8. the production technology of cold-forming shapes according to claim 7, it is characterised in that：The height (H) of the interconnecting piece (5)
For 50~80mm.
9. the production technology of cold-forming shapes according to claim 7, it is characterised in that：Between the step c and step e
It is additionally provided with step d. second stage roll-ins bending:The metallic plate (1) is carried out along the 6th rolling-line (C6) upwards curved
Folding is so that the standard angle (θ) that the metallic plate (1) of the 6th rolling-line (C6) both sides is less than 180 degree in one mutually, and described the
Six rolling-lines (C6) are located between the 5th rolling-line (C5) of both sides.
10. the production technology of the cold-forming shapes according to claim 7 to 9 any claim, it is characterised in that：It is described
The numerical value of L1, 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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|---|---|---|---|
| CN201810402523.7A CN108435906B (en) | 2018-04-28 | 2018-04-28 | The production technology of cold-forming shapes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109821976A (en) * | 2018-12-31 | 2019-05-31 | 南京亘丰科技有限公司 | Heat recovery core edge strip automatic producing device |
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Effective date of registration: 20200116 Address after: 315042 a29, building 9, Lane 189, Canghai Road, Ningbo hi tech Zone, Ningbo City, Zhejiang Province Patentee after: Zhejiang Eyre Compressor Co., Ltd. Address before: 315800 No. 18 Moganshan Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: Zhejiang all-around construction template technology Co., Ltd. |