CN102989851B - Forming method of wide-width and multi-wave inverted T-shaped cold forming sectional steel and production device thereof - Google Patents
Forming method of wide-width and multi-wave inverted T-shaped cold forming sectional steel and production device thereof Download PDFInfo
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- CN102989851B CN102989851B CN201210511892.2A CN201210511892A CN102989851B CN 102989851 B CN102989851 B CN 102989851B CN 201210511892 A CN201210511892 A CN 201210511892A CN 102989851 B CN102989851 B CN 102989851B
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- 229910000831 Steel Inorganic materials 0.000 title abstract description 55
- 239000010959 steel Substances 0.000 title abstract description 55
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 238000003754 machining Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 53
- 239000000463 material Substances 0.000 claims description 45
- 238000007493 shaping process Methods 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 description 17
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- 238000007599 discharging Methods 0.000 description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a forming method of a wide-width and multi-wave inverted T-shaped cold forming sectional steel and a production device of the wide-width and multi-wave inverted T-shaped cold forming sectional steel. The forming method comprises a forming method of a central dovetail groove of the wide-width and multi-wave inverted T-shaped cold forming sectional steel, a forming method of a middle part of the wide-width and multi-wave inverted T-shaped cold forming sectional steel, and a forming method of the whole of the wide-width and multi-wave inverted T-shaped cold forming sectional steel. According to the forming method, the central groove can be rolled into a central groove to be flatly pressed and the lateral groove can be machined into the lateral groove to be flatly pressed by the existing anti-bend roll-in machining, the central groove or a pair of lateral grooves can be formed for once by the machining mode that the pairing machining is carried out from the central groove to the left side and the right side, and the lateral groove (i.e. an edge groove) which is arranged at the outermost side can be treated by one of the follow-up three edge machining modes, so that the wide-width and multi-wave inverted T-shaped cold forming sectional steel can be machined in the manner that the center of a belt-shaped plate is gradually spread to the two sides, and a single required roll-in force when the dovetail groove is formed in the belt-shaped plate can be reduced.
Description
Technical field
The present invention relates to plate forming processing technique field, relate in particular to a kind of forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section, also relate to the process units of this many ripples of wide cut inverted T-shaped cold-rolled forming section simultaneously.
Background technology
Many ripples of wide cut inverted T-shaped cold-rolled forming section refers to the sheet material on sheet material with at least two dovetail grooves, the processing and forming of many ripples of wide cut inverted T-shaped cold-rolled forming section adopts the mode of cold roll forming to realize conventionally, use the auxiliary wheel of inclination certain angle to press the dovetail groove sidewall of many ripples of wide cut inverted T-shaped cold-rolled forming section, and the format roll dovetail groove in dovetail groove and the sidewall of dovetail groove are discontiguous, make auxiliary wheel not belong to the real pressure of moulding to pressing of dovetail groove sidewall, thereby the size of each dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section is differed, out-of-shape.
Application number is method and the equipment thereof that 200910107621.9 Chinese invention patent discloses a kind of cold-bending dovetail groove in fireproofing accurate steel materials, wherein the description of method discloses, elder generation's roll bending on steel band goes out the trough with straight angle of the hat of length direction extension, the mode recurvation of processing by recurvation roll-in from top and the sidewall of trough with straight angle again bent angle, and this bent angle is consistent with the dovetail angle angle of required dovetail groove, so that the sidepiece facade of trough with straight angle is angled with top planes and steel band top layer plane respectively, and narrowing down of steel band, trough with straight angle is rolled into waiting to flatten is the groove to be flattened of dovetail groove, then with running roller, described groove shaping to be flattened is flattened, two catch rollers clamp the left and right directions of steel band simultaneously, stop groove to be flattened the opening of notch in applanation process, to process the dovetail groove needing on steel band, the namely closing at dovetail groove notch position place processing, under the clamping action of two catch rollers, utilize the top of dovetail groove with respect to the extension realization of bottom plate rabbet, but when processing at least two dovetail grooves by the method on steel band, as make the moulding successively of each dovetail groove, when the dovetail groove of aftershaping closes up, can produce extruding to the notch of the dovetail groove of front moulding, and the notch of the dovetail groove of front moulding is out of shape, as the moulding simultaneously of each dovetail groove, along with the increase of dovetail groove quantity, the roller pressure applying on pair roller also needs continuous increase, so that the power output of whole rolling equipment constantly increases, thereby has increased the processing cost of product.
Summary of the invention
The object of this invention is to provide a kind of each dovetail groove of moulding successively, with the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section of the power output of attenuating equipment needs, be intended to solve in prior art after the dovetail groove moulding on many ripples of wide cut inverted T-shaped cold-rolled forming section problem in irregular shape; The process units of many ripples of wide cut inverted T-shaped cold-rolled forming section of the power output that simultaneously also provide a kind of each dovetail groove of moulding successively, needs with attenuating equipment, be intended to improve the machining accuracy of dovetail groove on many ripples of wide cut inverted T-shaped cold-rolled forming section, make the regular shape of dovetail groove.
In order to realize above object, the technical solution adopted in the present invention is:
The technical scheme of the forming method of the central dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section of the present invention is as follows:
The forming method of the central dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section, on the banded sheet material extending in front and back with roll, by recurvation roll-in, process and treat that pressing is central authorities' groove to be flattened of dovetail groove, and the adjacent position in central authorities' groove left and right sides to be flattened extrudes the 1st counter-lateral quadrents groove distributing with respect to central authorities' groove to be flattened left and right with roller on banded sheet material, two grooves in described the 1st counter-lateral quadrents groove have respectively 1st left side adjoining with the left and right sidewall of central authorities grooves to be flattened, Right Inboard wall, afterwards, with roll, clamp described the 1st left side, Right Inboard wall is with spacing fixing to it at left and right directions, stop central authorities relatively to be opened when being driven plain wait the notch that flattens groove, with roll, central authorities' groove to be flattened is flattened is central dovetail groove simultaneously.
The technical scheme of the forming method of the mid portion dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section of the present invention is as follows:
The forming method of the mid portion dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section, comprises the following steps:
1), on the banded sheet material extending in front and back with roll, by recurvation roll-in, process and treat that pressing is central authorities' groove to be flattened of dovetail groove, and the adjacent position in central authorities' groove left and right sides to be flattened extrudes the 1st counter-lateral quadrents groove distributing with respect to central authorities' groove to be flattened left and right with roller on banded sheet material, two grooves in described the 1st counter-lateral quadrents groove have respectively 1st left side adjoining with the left and right sidewall of central authorities grooves to be flattened, Right Inboard wall, afterwards, with roll, clamp described the 1st left side, Right Inboard wall is with spacing fixing to it at left and right directions, stop central authorities relatively to be opened when being driven plain wait the notch that flattens groove, with roll, central authorities' groove to be flattened is flattened is central dovetail groove simultaneously,
2), from the 1st counter-lateral quadrents groove, start both sides to the left and right with the following methods and process in pairs successively sidepiece dovetail groove, and a pair of to be processed sidepiece dovetail groove of definition between central dovetail groove and outermost sidepiece dovetail groove to be processed is that N to be processed is to dovetail groove, in N counter-lateral quadrents dovetail groove position to be processed, with the counter-lateral quadrents groove that roller extrudes, be N counter-lateral quadrents groove, the counter-lateral quadrents groove distributing with respect to N counter-lateral quadrents groove left and right that adjacent position extrudes with roller outside N counter-lateral quadrents groove is N+1 counter-lateral quadrents groove, and with roll, by recurvation roll-in, N counter-lateral quadrents Pocket Machining to be become to wait to flatten be that the N of dovetail groove treats and flattens sidepiece groove, described N+1 counter-lateral quadrents groove has contiguous corresponding N and treats a N+1 left side that flattens sidepiece recess sidewall, Right Inboard wall, afterwards, with roll, clamp described N+1 left, Right Inboard wall is with spacing fixing to it at left and right directions, the notch that stops N to treat pressing sidepiece groove opens when being driven plain, with roll, N is treated to the pressing of pressing sidepiece groove is N counter-lateral quadrents dovetail groove simultaneously.
The technical scheme of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section of the present invention is as follows:
The forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section, comprises the following steps:
1) on the banded sheet material extending in front and back with roll, by recurvation roll-in, process and treat that pressing is central authorities' groove to be flattened of dovetail groove, and the adjacent position in central authorities' groove left and right sides to be flattened extrudes the 1st counter-lateral quadrents groove distributing with respect to central authorities' groove to be flattened left and right with roller on banded sheet material, two grooves in described the 1st counter-lateral quadrents groove have respectively 1st left side adjoining with the left and right sidewall of central authorities grooves to be flattened, Right Inboard wall, afterwards, with roll, clamp described the 1st left side, Right Inboard wall is with spacing fixing to it at left and right directions, stop central authorities relatively to be opened when being driven plain wait the notch that flattens groove, with roll, central authorities' groove to be flattened is flattened is central dovetail groove simultaneously,
2) from the 1st counter-lateral quadrents groove, start both sides to the left and right with the following methods and process in pairs successively sidepiece dovetail groove, and a pair of to be processed sidepiece dovetail groove of definition between central dovetail groove and outermost sidepiece dovetail groove to be processed is that N to be processed is to dovetail groove, in N counter-lateral quadrents dovetail groove position to be processed, with the counter-lateral quadrents groove that roller extrudes, be N counter-lateral quadrents groove, the counter-lateral quadrents groove distributing with respect to N counter-lateral quadrents groove left and right that adjacent position extrudes with roller outside N counter-lateral quadrents groove is N+1 counter-lateral quadrents groove, and with roll, by recurvation roll-in, N counter-lateral quadrents Pocket Machining to be become to wait to flatten be that the N of dovetail groove treats and flattens sidepiece groove, described N+1 counter-lateral quadrents groove has contiguous corresponding N and treats a N+1 left side that flattens sidepiece recess sidewall, Right Inboard wall, afterwards, with roll, clamp described N+1 left, Right Inboard wall is with spacing fixing to it at left and right directions, the notch that stops N to treat pressing sidepiece groove opens when being driven plain, with roll, N is treated to the pressing of pressing sidepiece groove is N counter-lateral quadrents dovetail groove simultaneously,
3) being defined in an outermost counter-lateral quadrents dovetail groove position to be processed is edge groove with the sidepiece groove that roller extrudes, this is divided into the relative interior slot part of double distribution and opposing outer slot part to two grooves in edge groove, interior slot part has left and right inner side, the edge wall of contiguous other counter-lateral quadrents dovetail grooves, outer slot part has left and right outside, the edge wall away from other counter-lateral quadrents grooves, and edge groove is by any one processing of following three kinds of processing modes:
Mode one, first with roll, the interior slot part of edge groove is processed into and is waited to flatten as waiting to flatten interior slot part in the edge of half dovetail groove by recurvation roll-in, with roll, clamp described edge more left, right outside edge-on wall is with spacing fixing by it, stop described edge left, Right Inboard wall is left to described edge, right outside edge-on wall direction tilts, with roll, interior slot part pressing is waited to flatten in described edge is slot part in edge dovetail groove simultaneously, then with roll, the outer slot part of edge groove is processed into and is waited to flatten as waiting to flatten outer slot part in the edge of half dovetail groove by recurvation roll-in, finally with roll, edge is treated to the trench bottom that flattens outer slot part divides pressing, simultaneously with roll, the edge, left and right of banded sheet material is downward excessively curved, so that waiting to flatten outer slot part, edge is rolled into the outer slot part of edge dovetail groove, and obtain whole edge dovetail groove,
Mode two, first with roll, edge groove is processed into and is treated that pressing is the edge groove to be flattened of dovetail groove by recurvation roll-in, again with the left and right edge of roll nip taut band shape sheet material with left and right directions by its spacing fixing, stop edge to open wait flattening groove notch when being driven plain, with roll, edge groove to be flattened is flattened is edge dovetail groove simultaneously;
Mode three, excises the plate body between the wall of the left and right inner side in banded sheet material upper edge and described edge, and the residue board body part on banded sheet material is divided into required many ripples of wide cut inverted T-shaped cold-rolled forming section.
The odd number that on described banded sheet material, dovetail groove to be processed is at least five.
Described central authorities groove to be flattened and sidepiece groove to be flattened all process by recurvation roll-in by the roll of at least two passages.
The technical scheme of the process units of many ripples of wide cut inverted T-shaped cold-rolled forming section of the present invention is as follows:
The process units of many ripples of wide cut inverted T-shaped cold-rolled forming section, comprise the first shaping roller that goes out drop-center for the middle part roll-in at banded sheet material, the throughput direction of banded sheet material is defined as to fore-and-aft direction, and after the first shaping roller, is provided with first and second group roll
In first group of roll, be provided with for drop-center is processed into the first recurvation running roller of waiting to flatten for central authorities' groove to be flattened of dovetail groove, is take at left and right directions to its spacing first fixing location running roller, is that first of central dovetail groove flattens running roller for central authorities' groove to be flattened is flattened for clamping the inner side wall of the 1st counter-lateral quadrents groove by recurvation roll-in, the first recurvation running roller is before the first location running roller and first flattens running roller, and the first location running roller and first flattens on the roll of running roller in same a time;
In second group of roll, be provided with for from drop-center, start both sides to the left and right successively in pairs roll-in process the L shaping roller of N counter-lateral quadrents groove, for N counter-lateral quadrents groove is processed into and is waited to flatten the M recurvation running roller for the N counter-lateral quadrents groove to be flattened of dovetail groove by recurvation roll-in, the inner side wall that is used for clamping N+1 counter-lateral quadrents groove is to locate running roller at left and right directions to its spacing fixing P, for N, the K that sidepiece groove to be flattened is flattened as sidepiece dovetail groove is flattened to running roller, described K, L, M, N, P is all greater than 1, L shaping roller is before M recurvation running roller, M recurvation running roller is after the first location running roller and first flattens running roller, P location running roller and K flatten the position before running roller, P location running roller and K flatten running roller on roll,
After second group of roll, be provided with for pressing the 3rd group of processing edge groove to cross curved processing roll or for process by block that the 3rd group of block processing roll of edge groove processed in roll-in or for cutting out the cutting means of edge groove by crossing roller,
Cross and in curved processing roll, be provided with for the interior slot part of edge groove is processed into and is waited to flatten the edge inside groove recurvation running roller of waiting to flatten interior slot part for the edge of half dovetail groove by recurvation roll-in for described the 3rd group, left along the edge of groove for gripper edge, right outside edge-on wall is to locate its spacing fixing edge inside groove for running roller, for edge being treated to flattening interior slot part flattens the edge inside groove pressing running roller for slot part in edge dovetail groove, for the outer slot part of edge groove is processed into and is waited to flatten the edge water jacket recurvation running roller of waiting to flatten outer slot part for the edge of half dovetail groove by recurvation roll-in, for edge being treated to the trench bottom that flattens outer slot part divides the edge water jacket of pressing to flatten running roller, for the downward excessively curved edge water jacket in the edge, left and right of banded sheet material being crossed to roller wheel, described edge inside groove recurvation running roller is before the running roller of edge inside groove location, edge inside groove location running roller and edge inside groove flatten on the roll of running roller in same a time, edge inside groove flattened running roller before edge water jacket recurvation running roller, water jacket recurvation running roller in edge is crossed between roller wheel in edge water jacket pressing running roller and edge water jacket, edge water jacket flattens running roller and edge water jacket is crossed on the roll of roller wheel in same a time,
In described the 3rd group of block processing roll, be provided with for by the interior slot part of edge groove by recurvation roll-in be processed into wait to flatten for the edge of dovetail groove treat edge groove recurvation edge running roller, for be clamped in the edge, left and right of banded sheet material take to its at the spacing fixing gulde edge of left and right directions along running roller, pressing edge running roller for edge being treated to edge groove pressing is edge dovetail groove, described recurvation edge running roller in gulde edge along before running roller, described gulde edge along running roller with flatten on the roll of edge running roller in same a time.
Described the first shaping roller and L shaping roller are at least arranged on the roll of two passages.
Described the first recurvation running roller and M recurvation running roller are at least arranged on the roll of two passages.
The present invention is rolled into drop-center to be flattened by existing recurvation roll-in processing by drop-center, sidepiece Pocket Machining is become to sidepiece groove to be flattened, again by clamping the wall of the adjacent nearside of groove to be flattened (comprising drop-center to be flattened and sidepiece groove to be flattened), prevention is flattening opening of when flattening groove notch, reach the effect of closing in, and by the processing mode from the drop-center paired processing in both sides to the left and right, realize single moulding drop-center or a counter-lateral quadrents groove, by at least one of three kinds of follow-up edge processing modes, process in outermost sidepiece groove (being edge groove) again, the mode that realization can be spread gradually from the mediad both sides of banded sheet material is carried out many ripples of processing wide breadth inverted T-shaped cold-rolled forming section, reduce single required roller pressure during moulding dovetail groove on banded sheet material, the demand of corresponding minimizing breaker roll output torque, the object of a plurality of dovetail grooves is processed in realization on banded sheet material, thereby solve the excessive problem of demanded power output that prior art forming method brings the moulding simultaneously of each dovetail groove, guaranteed the regular shape after dovetail groove moulding.
Accompanying drawing explanation
Fig. 1 is the structural representation of many ripples of wide cut inverted T-shaped cold-rolled forming section;
Fig. 2 is the steel band variable condition sectional view of step 1 of the forming method of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention;
Fig. 3 is the steel band variable condition sectional view of step 2 of the forming method of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention;
Fig. 4 is the steel band variable condition sectional view of step 3 of the forming method of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention;
Fig. 5 is the steel band variable condition sectional view of step 4 of the forming method of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention;
Fig. 6 is the steel band variable condition sectional view of step 5 of the forming method of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention;
Fig. 7 is the steel band variable condition sectional view of step 6 of the forming method of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention;
Fig. 8 is the steel band variable condition sectional view of step 7 of the forming method of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention;
Fig. 9 is the steel band variable condition sectional view of step 8 of the forming method of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention;
Figure 10 is the steel band variable condition sectional view of step 9 of the forming method of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention;
Figure 11 is that the process units of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention uses view for the moment in the step of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section;
Figure 12 is the process units of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention use view when the step 3 of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section;
Figure 13 is the process units of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention use view when the step 4 of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section;
Figure 14 is the process units of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention use view when the step 5 of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section;
Figure 15 is the process units of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention use view when the step 6 of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section;
Figure 16 is the process units of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention use view when the step 7 of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section;
Figure 17 is the process units of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention use view when the step 8 of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section;
Figure 18 is the process units of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention use view when the step 9 of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section;
Figure 19 is the use view of process units the 9th passage roll in the step 3 of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section of many ripples of the wide cut inverted T-shaped cold-rolled forming section in the embodiment of the present invention;
Figure 20 is the partial enlarged drawing at A place in Figure 19.
The specific embodiment
The embodiment of the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section of the present invention, as shown in Figure 1, many ripples of wide cut inverted T-shaped cold-rolled forming section 100 products that the present embodiment obtains are many ripples of wide cut inverted T-shaped cold-rolled forming section 100 with five dovetail grooves, on many ripples of wide cut inverted T-shaped cold-rolled forming section 100, have the second from left dovetail groove 1001, the first from left dovetail groove 1002, central dovetail groove 1003, a right dovetail groove 1004 and right two dovetail grooves 1005 that distribute successively from left to right.
As shown in Fig. 2 to Figure 20, the forming method of this many ripples of wide cut inverted T-shaped cold-rolled forming section 100 comprises the following steps: step 1, as shown in figure 11, according to the dimensional requirement of many ripples of wide cut inverted T-shaped cold-rolled forming section 100, choose suitable steel band, and steel band is sent into the process units of many ripples of wide cut inverted T-shaped cold-rolled forming section 100, the first roll 01-1 that the start-up portion You Wu road of process units is arranged successively at fore-and-aft direction along fore-and-aft direction, 01-2, 01-3, 01-4, 01-5, the place, centre position of each the first roll is provided with a first shaping roller 1-11, 1-21, 1-31, 1-41, 1-51, each first shaping roller 1-11, 1-21, 1-31, 1-41, the height of projection of 1-51 increases from front to back successively, front four the first shaping roller 1-11, 1-21, 1-31, the cross sectional shape of 1-41 is trapezoidal, the cross sectional shape of last the first shaping roller 1-51 is Nogata shape, so that place, the centre position of steel band is gone out from front to back the drop-center 1-1 of projection gradually by roll-in, and drop-center 1-1 after five road the first rolls be shaped as Nogata shape, on rear twice the first roll, be equipped with the second shaping roller 1-42 of two left and right sides in the first shaping roller, 1-52, the second shaping roller 1-42, the height of projection of 1-52 increases from front to back successively, with first three road first roll 1-11 of the process at steel band, 1-21, in the part of 1-31, roll-in goes out the first from left shaping groove 1-2 and a right groove 1-3 gradually, obtains successively having the steel band 1 of five different cross sections as shown in Figure 2, 2, 3, 4, 5,
Step 2, steel band 5 is continued by five road the first roll 01-1, 01-2, 01-3, 01-4, San road the second roll after 01-5, the middle part of San road the second roll is provided with the first recurvation running roller and the second shaping roller in the first recurvation running roller left and right sides, at the end positions place of rear twice the second roll, be provided with the 3rd shaping roller in two the second shaping roller outsides, by the first recurvation running roller on three road the second rolls by the top of drop-center, bottom recurvation camber, top to drop-center, the bent angle that bottom occurs is corresponding with the dovetail angle of the dovetail groove needing, being about to drop-center is processed into and is treated that pressing is the groove 2-1 to be flattened of central authorities of dovetail groove by recurvation roll-in, the second shaping roller on three road the second rolls continues the first from left groove 2-2 and a right groove 2-3 roll-in, to increase gradually the height of projection of the first from left groove 2-2 and a right groove 2-3, the 3rd shaping roller on rear twice the second roll on steel band gradually roll-in source in the second from left groove 2-4 and the two groove 2-5 of the right side in a right groove 2-3 right side in the first from left groove 2-2 left side, obtain successively the steel band 6 of three different cross sections as shown in Figure 3, 7, 8,
Step 3, as Figure 12, Figure 19, shown in Figure 20, steel band 8 is continued by twice the 3rd roll 3-9 after three road the second rolls, 3-10, twice the 3rd roll 3-9, the middle part of 3-10 is respectively arranged with the first pressing running roller 3-91, 3-101, at the first pressing running roller 3-91, the left and right sides of 3-101 is respectively arranged with two first location running roller 3-92, 3-102, at two first location running roller 3-92, the arranged outside of 3-102 has two the 3rd shaping roller 3-93, 3-103, wherein twice the 3rd roll 3-9, on 3-10 first location running roller 3-92, 3-102 coordinates with the right side facade of the first from left groove 3-2 and the left side facade block of a right groove 3-3 respectively, left side facade with the right side facade to the first from left groove 3-2 and a right groove 3-3 applies clamping force in opposite directions, prevention, flattening central authorities' notch expansion when flattening dovetail groove, flattens running roller 3-92 by first simultaneously, 3-102 is by central authorities' groove to be flattened top, the arc of sidepiece flattens, and central authorities' groove to be flattened is driven plain as central dovetail groove 3-1, and by the first location running roller 3-102 on rear the 3rd roll 3-10 together, the first from left groove 3-2 and a right groove 3-3 is rolled into Nogata shape, by two the 3rd roll 3-9, the 3rd shaping roller 3-93 on 3-10, 3-103 makes the height of projection of the second from left groove 3-4 and right two groove 3-5 continue to increase, and obtains successively the different steel band 9 of two cross sectional shapes as shown in Figure 4, 10,
Step 4, as shown in figure 13, continues by twice the 3rd roll 3-9 steel band 10, San road the 4th roll 4-11 after 3-10, 4-12, 4-13, three roads the 4th roll 4-11, 4-12, the middle part of 4-13 is respectively arranged with center-aisle 4-111, 4-121, 4-131, at center-aisle 4-111, 4-121, the left and right sides of 4-131 is provided with the second recurvation running roller 4-112, 4-122, 4-132, at two the second recurvation running roller 4-112, 4-122, 4-132 arranged outside has the 3rd shaping roller 4-113, 4-123, 4-133, wherein center-aisle is dodged central dovetail groove 4-1, keeps the shape invariance of central dovetail groove 4-1, the second recurvation running roller 4-112, 4-122, 4-132 is by the top of the first from left groove and a right groove, bottom recurvation camber, top to the first from left groove and a right groove, there is the bent angle corresponding with the dovetail angle of the dovetail groove needing in sidepiece, the first from left groove and a right groove are corresponding is respectively processed into and waits to flatten the first from left groove to be flattened and the right groove to be flattened for dovetail groove by recurvation roll-in, by the 3rd shaping roller 4-113, 4-123, 4-133, to the second from left groove 4-4 and right two groove 4-5 roll-ins, increases the height of projection of the second from left groove 4-4 and right two groove 4-5, obtains successively the different steel band 11 of three cross sectional shapes as shown in Figure 5, 12, 13,
Step 5, as shown in figure 14, steel band 13 is continued by three roads the 4th roll 4-11, 4-12, the 5th roll 5-14 together after 4-13, in the middle part of the 5th roll 5-14, be provided with center-aisle 5-141, in the left and right sides of center-aisle 5-141, be provided with the second pressing running roller 5-142, two second arranged outside that flatten running roller 5-142, there is the second location running roller 5-143, wherein center-aisle 5-141 dodges the top at central dovetail groove 5-1, the shape invariance that keeps central dovetail groove 5-1, two second location running roller 5-142 coordinate with the right side facade of the second from left groove 5-4 and the left side facade block of right two groove 5-5 respectively, to apply clamping force in opposite directions by two second location running roller 5-142 to the right side facade of the second from left groove 5-4 and the left side facade of right two groove 5-5, two second flatten running roller 5-143 by the top of the first from left groove to be flattened and a right groove to be flattened simultaneously, bottom arc flattens, so that the first from left groove to be flattened and a right groove to be flattened are the first from left dovetail groove 5-2 and a right dovetail groove 5-3 by the corresponding pressing of difference, obtain the steel band 14 of cross sectional shape as shown in Figure 6,
Step 6, as shown in figure 15, continues by San road the 6th roll 6-15 after one the 5th roll 5-14 steel band 14, 6-16, 6-17, three roads the 6th roll 6-15, 6-16, the middle part of 6-17 is provided with center-aisle 6-151, 6-161, 6-171 and left and right pad platform 6-152, 6-162, 6-172, at left and right pad platform 6-152, 6-162, the arranged outside of 6-172 has the 3rd recurvation running roller 6-153, 6-163, 6-173, wherein left and right pad platform 6-152, 6-162, 6-172 is corresponding real the first from left dovetail groove 6-2 that is pressed in respectively, the top of a right dovetail groove 6-3, center-aisle 6-151, 6-161, 6-171 dodges central dovetail groove 6-1, to keep the first from left dovetail groove 6-2, the shape invariance of the dovetail groove 6-1 of central authorities and a right dovetail groove 6-3, simultaneously by the 3rd recurvation running roller 6-153, 6-163, 6-173 is by the top of the left side facade of the right side facade of the second from left groove 6-4 and right two groove 6-5, position, end recurvation camber, top to the right side facade of the second from left groove 6-4 and the left side facade of right two groove 6-5, there is the bent angle corresponding with the dovetail angle of the dovetail groove needing in position, the end, and the edge, left and right of steel band is all upturned, and obtains successively the steel band 15 of three different cross section shapes as shown in Figure 7, 16, 17,
Step 7, as shown in figure 16, steel band 17 is continued by three roads the 6th roll 6-15, 6-16, the 7th roll 7-18 together after 6-17, the middle part of the 7th roll 7-18 is provided with center-aisle 7-181 and left and right pad platform 7-182, arranged outside at left and right pad platform 7-182 has the 3rd to flatten running roller 7-183, wherein the effect of left and right pad platform 7-182 and centre gangway 7-181 is identical with step 6, and the 3rd pressing running roller 7-183 can be by the top of the left side facade of the right side facade of the second from left groove 7-4 and right two groove 7-5, the arc of position, the end flattens, between the right side facade at the second from left groove 7-4 and the left side facade of the first from left groove 7-2, between the right left side facade of two groove 7-5 and the right side facade of a right groove 7-3, form dovetail groove, even if the interior slot part of the interior slot part of the second from left groove 7-4 and right two groove 7-5 is driven plain as slot part in slot part in the second from left dovetail groove and right two dovetail grooves, obtain the steel band 18 of cross sectional shape as shown in Figure 8,
Step 8, as shown in figure 17, steel band 18 is continued by twice the 8th roll 8-19 after one the 7th roll 7-18, 8-20, twice the 8th roll 8-19, the middle part of 8-20 is provided with center-aisle 8-191, 8-201 and left and right pad platform 8-192, 8-202, at left and right pad platform 8-192, the outside of 8-202 is respectively arranged with the 4th recurvation running roller 8-193, 8-203, wherein center-aisle is identical with step 6 with the effect of left and right pad platform, the 4th recurvation running roller 8-193, 8-203 is by the top of the right side facade of the left side facade of the second from left groove 8-4 and right two groove 8-5, position, end recurvation camber, top to the left side facade of the second from left groove 8-4 and the right side facade of right two groove 8-5, there is the bent angle corresponding with the dovetail angle of the groove needing in position, the end, obtain successively the steel band 19 of two different cross sections as shown in Figure 9, 20,
Step 9, as shown in figure 18, steel band 20 is continued by twice the 8th roll 8-19, the 9th roll 9-21 together after 8-20, the middle part of the 9th roll 9-21 is provided with center-aisle 9-211 and left and right pad platform 9-212, arranged outside at left and right pad platform 9-212 has the 4th to flatten running roller 9-213, wherein center-aisle is identical with step 6 with the effect of left and right pad platform, the 4th flattens running roller 9-213 flattens facade top side, the right side arc of the left side facade of the second from left groove 9-4 and right two groove 9-5, and the dual-side of banded sheet material is to swallow-tail form along downward mistake is curved to the second from left groove 9-4 and right two groove 9-5, be about to the second from left groove 7-4 and right two groove 7-5 and be processed as the second from left dovetail groove and right two dovetail grooves by roll-in respectively, to obtain the steel band 21 of cross sectional shape as shown in figure 10, obtain many ripples of the wide cut inverted T-shaped cold-rolled forming section 100 around centre downsagging, at many ripples of wide cut inverted T-shaped cold-rolled forming section 100, from process units, after discharging, recoil to the shape of requirement.
In the present embodiment, the process units of many ripples of wide cut inverted T-shaped cold-rolled forming section 100 comprise set gradually from front to back Wu road the first roll, three road the second rolls, twice the 3rd roll, three roads the 4th roll, together the 5th roll, three roads the 6th roll, together the 7th roll, twice the 8th roll with together with the 9th roll, steel band is passing through after each roll from front to back successively, five dovetail grooves to upper process that roll-in and recurvation go out to need on steel band, obtain many ripples of the wide cut inverted T-shaped cold-rolled forming section 100 needing, in whole production process, the Nogata shape forming process of the first from left dovetail groove and a right dovetail groove and the dove-tail form forming process of central dovetail groove coincide, the dove-tail form forming process of the Nogata shape forming process of the second from left dovetail groove and right two dovetail grooves and the first from left dovetail groove and a right dovetail groove coincides, even if the forming process of each dovetail groove from centre to both sides is overlapped, saved the interval time of special each dovetail groove of roll-in, shorten the technological process of production, improved production efficiency, to the right side facade of the first from left dovetail groove and the left side facade of a right dovetail groove, apply clamping force in opposite directions, the extension power producing while being equilibrated at the central dovetail groove of pressing top, bottom arc by this clamping force, guarantee the closing in effect of the dovetail groove of central dovetail groove, and make the from inside to outside moulding successively of dovetail groove on banded sheet material, reduce the active force that roll need to be exported, reduce the demand to whole process units power output, the second from left dovetail groove and right two dovetail grooves are divided into two parts and carry out moulding roll-in processing, wherein the right side facade of the second from left dovetail groove and the left side facade of right two dovetail grooves are when flattening, the extension power producing on the right side facade of the second from left dovetail groove and the left side facade of right two dovetail grooves can be cancelled out each other, when flattening, the left side facade that has solved the right side facade of the second from left dovetail groove and right two dovetail grooves locates inconvenient problem, the bottom arc of the left side facade of the second from left dovetail groove and the right side facade of right two dovetail grooves adopted curved mode to eliminate, not only guaranteed the moulding rule of the second from left dovetail groove and right two dovetail grooves, and can utilize the resilience after 100 dischargings of whole many ripples of wide cut inverted T-shaped cold-rolled forming section, eliminate the internal stress that whole many ripples of wide cut inverted T-shaped cold-rolled forming section 100 forming processes produce.
In the above-described embodiments, use steel band to carry out the processing of many ripples of wide cut inverted T-shaped cold-rolled forming section, in other embodiments, steel band also can replace with other alloys such as aluminium alloy or other banded sheet material.
In the above-described embodiments, You Wu road the first roll successively in step 1 to nine, three road the second rolls, twice the 3rd roll, three roads the 4th roll, one the 5th roll, three roads the 6th roll, one the 7th roll, twice the 8th roll with together with the 9th roll, in other embodiments, five road the first rolls, three road the second rolls, twice the 3rd roll, three roads the 4th roll, three roads the 6th roll and twice the 8th roll also can for together with roll, one the 5th roll, three roads the 6th roll, together the 7th roll with together with the 9th roll can be also twice roll at least, corresponding step 1 to nine can be by realizing with topping roll together.
In the above-described embodiments, in Edge of Steel Strip, along the second from left dovetail groove of position and right two dovetail grooves, be split into two parts and carry out roll-forming, in other embodiments, also can pass through the edge of block steel band, so that the second from left dovetail groove and right two dovetail grooves are realized to whole recurvation and pressing; Or directly cut the second from left dovetail groove and right two dovetail grooves, the remainder on corresponding steel band is required many ripples of wide cut inverted T-shaped cold-rolled forming section.
In the above-described embodiments, dovetail groove on many ripples of wide cut inverted T-shaped cold-rolled forming section is five, it is the second from left dovetail groove, the first from left dovetail groove, central authorities' dovetail groove, a right dovetail groove and right two dovetail grooves, the second from left dovetail groove wherein, the first from left dovetail groove, a right dovetail groove and right two dovetail grooves are two pairs of sidepiece dovetail grooves that formed by the roll-in of sidepiece groove, and the second from left dovetail groove and right two dovetail grooves are outermost sidepiece dovetail groove (being edge dovetail groove), in other embodiments, sidepiece dovetail groove also can be for more than two pairs, the sidepiece groove of corresponding other between edge dovetail groove and central dovetail groove, in can the forming process according to the first from left dovetail groove and a right dovetail groove, by roll-in, process and obtain, can be corresponding in forming process use L shaping roller, M recurvation running roller, K flattens running roller, wherein L shaping roller is before M recurvation running roller, M recurvation running roller is after the first location running roller and first flattens running roller, P location running roller and K flatten the position before running roller, P location running roller and K flatten running roller on roll.
In other embodiments, dovetail groove can be also the odd number more than five, dovetail groove except of inner side be that separate roller is molded, all the other press the mode roll-forming of the moulding between two from centre to both sides, the concrete forming process mode roll-forming used in above-described embodiment the same as with a right dovetail groove the first from left dovetail groove.
In the above-described embodiments, dovetail groove on many ripples of wide cut inverted T-shaped cold-rolled forming section is odd number, in other embodiments, the quantity of dovetail groove can be also even number, the recess to lower recess on corresponding steel band is odd number, and along the recess of position, only has inner side facade in Edge of Steel Strip, there is no outer side elevation, thereby can by two side elevations of inner recess and above-described embodiment two side elevations of inner side dovetail groove regard the first from left facade and a right facade as, the facade adjacent with the first from left facade left side is the second from left facade (appealing the right side facade of the first from left dovetail groove in embodiment), the facade adjacent with a right facade right side is right two facades (being the left side facade of the right side one dovetail groove in above-described embodiment), the recurvation of inner recess is consistent with the central dovetail groove in above-described embodiment with pressing.
As from the foregoing, the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section of the present invention can consist of following steps:
1) on the banded sheet material extending in front and back with roll, by recurvation roll-in, process and treat that pressing is central authorities' groove to be flattened of dovetail groove, and the adjacent position in central authorities' groove left and right sides to be flattened extrudes the 1st counter-lateral quadrents groove distributing with respect to central authorities' groove to be flattened left and right with roller on banded sheet material, two grooves in described the 1st counter-lateral quadrents groove have respectively 1st left side adjoining with the left and right sidewall of central authorities grooves to be flattened, Right Inboard wall, afterwards, with roll, clamp described the 1st left side, Right Inboard wall is with spacing fixing to it at left and right directions, stop central authorities relatively to be opened when being driven plain wait the notch that flattens groove, with roll, central authorities' groove to be flattened is flattened is central dovetail groove simultaneously,
2) from the 1st counter-lateral quadrents groove, start both sides to the left and right with the following methods and process in pairs successively sidepiece dovetail groove, and a pair of to be processed sidepiece dovetail groove of definition between central dovetail groove and outermost sidepiece dovetail groove to be processed is that N to be processed is to dovetail groove, in N counter-lateral quadrents dovetail groove position to be processed, with the counter-lateral quadrents groove that roller extrudes, be N counter-lateral quadrents groove, the counter-lateral quadrents groove distributing with respect to N counter-lateral quadrents groove left and right that adjacent position extrudes with roller outside N counter-lateral quadrents groove is N+1 counter-lateral quadrents groove, and with roll, by recurvation roll-in, N counter-lateral quadrents Pocket Machining to be become to wait to flatten be that the N of dovetail groove treats and flattens sidepiece groove, described N+1 counter-lateral quadrents groove has contiguous corresponding N and treats a N+1 left side that flattens sidepiece recess sidewall, Right Inboard wall, afterwards, with roll, clamp described N+1 left, Right Inboard wall is with spacing fixing to it at left and right directions, the notch that stops N to treat pressing sidepiece groove opens when being driven plain, with roll, N is treated to the pressing of pressing sidepiece groove is N counter-lateral quadrents dovetail groove simultaneously,
3) being defined in an outermost counter-lateral quadrents dovetail groove position to be processed is edge groove with the sidepiece groove that roller extrudes, this is divided into the relative interior slot part of double distribution and opposing outer slot part to two grooves in edge groove, interior slot part has left and right inner side, the edge wall of contiguous other counter-lateral quadrents dovetail grooves, outer slot part has left and right outside, the edge wall away from other counter-lateral quadrents grooves, and edge groove is by any one processing of following three kinds of processing modes:
Mode one, first with roll, the interior slot part of edge groove is processed into and is waited to flatten as waiting to flatten interior slot part in the edge of half dovetail groove by recurvation roll-in, with roll, clamp described edge more left, right outside edge-on wall is with spacing fixing by it, stop described edge left, Right Inboard wall is left to described edge, right outside edge-on wall direction tilts, with roll, interior slot part pressing is waited to flatten in described edge is slot part in edge dovetail groove simultaneously, then with roll, the outer slot part of edge groove is processed into and is waited to flatten as waiting to flatten outer slot part in the edge of half dovetail groove by recurvation roll-in, finally with roll, edge is treated to the trench bottom that flattens outer slot part divides pressing, simultaneously with roll, the edge, left and right of banded sheet material is downward excessively curved, so that waiting to flatten outer slot part, edge is rolled into the outer slot part of edge dovetail groove, and obtain whole edge dovetail groove,
Mode two, first with roll, edge groove is processed into and is treated that pressing is the edge groove to be flattened of dovetail groove by recurvation roll-in, again with the left and right edge of roll nip taut band shape sheet material with left and right directions by its spacing fixing, stop edge to open wait flattening groove notch when being driven plain, with roll, edge groove to be flattened is flattened is edge dovetail groove simultaneously;
Mode three, excises the plate body between the wall of the left and right inner side in banded sheet material upper edge and described edge, and the residue board body part on banded sheet material is divided into required many ripples of wide cut inverted T-shaped cold-rolled forming section.
The embodiment of the forming method of the central dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section of the present invention, in the present embodiment, the forming method of the central dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section is identical with the forming method of the central dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section in above-described embodiment, therefore repeats no more in the present embodiment.
The embodiment that the moulding of the mid portion dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section of the present invention is provided, in the present embodiment, the mid portion dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section consists of other sidepiece dovetail grooves except edge dovetail groove on central dovetail groove and many ripples of wide cut inverted T-shaped cold-rolled forming section, and the forming method of mid portion dovetail groove is identical with the forming method of mid portion dovetail groove in above-described embodiment, therefore repeat no more in the present embodiment.
The embodiment of the process units of many ripples of wide cut inverted T-shaped cold-rolled forming section of the present invention, in the present embodiment, the structure of the process units of many ripples of wide cut inverted T-shaped cold-rolled forming section is identical with the process units of many ripples of wide cut inverted T-shaped cold-rolled forming section in above-described embodiment, therefore repeats no more in the present embodiment.
Claims (8)
1. the forming method of the central dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section, it is characterized in that, on the banded sheet material extending in front and back with roll, by recurvation roll-in, process and treat that pressing is central authorities' groove to be flattened of dovetail groove, and the adjacent position in central authorities' groove left and right sides to be flattened extrudes the 1st counter-lateral quadrents groove distributing with respect to central authorities' groove to be flattened left and right with roller on banded sheet material, two grooves in described the 1st counter-lateral quadrents groove have respectively 1st left side adjoining with the left and right sidewall of central authorities grooves to be flattened, Right Inboard wall, afterwards, with roll, clamp described the 1st left side, Right Inboard wall is with spacing fixing to it at left and right directions, stop central authorities relatively to be opened when being driven plain wait the notch that flattens groove, with roll, central authorities' groove to be flattened is flattened is central dovetail groove simultaneously.
2. the forming method of the mid portion dovetail groove of many ripples of wide cut inverted T-shaped cold-rolled forming section, is characterized in that, comprises the following steps:
1), on the banded sheet material extending in front and back with roll, by recurvation roll-in, process and treat that pressing is central authorities' groove to be flattened of dovetail groove, and the adjacent position in central authorities' groove left and right sides to be flattened extrudes the 1st counter-lateral quadrents groove distributing with respect to central authorities' groove to be flattened left and right with roller on banded sheet material, two grooves in described the 1st counter-lateral quadrents groove have respectively 1st left side adjoining with the left and right sidewall of central authorities grooves to be flattened, Right Inboard wall, afterwards, with roll, clamp described the 1st left side, Right Inboard wall is with spacing fixing to it at left and right directions, stop central authorities relatively to be opened when being driven plain wait the notch that flattens groove, with roll, central authorities' groove to be flattened is flattened is central dovetail groove simultaneously,
2), from the 1st counter-lateral quadrents groove, start both sides to the left and right with the following methods and process in pairs successively sidepiece dovetail groove, and a pair of to be processed sidepiece dovetail groove of definition between central dovetail groove and outermost sidepiece dovetail groove to be processed is that N to be processed is to dovetail groove, in N counter-lateral quadrents dovetail groove position to be processed, with the counter-lateral quadrents groove that roller extrudes, be N counter-lateral quadrents groove, the counter-lateral quadrents groove distributing with respect to N counter-lateral quadrents groove left and right that adjacent position extrudes with roller outside N counter-lateral quadrents groove is N+1 counter-lateral quadrents groove, and with roll, by recurvation roll-in, N counter-lateral quadrents Pocket Machining to be become to wait to flatten be that the N of dovetail groove treats and flattens sidepiece groove, described N+1 counter-lateral quadrents groove has contiguous corresponding N and treats a N+1 left side that flattens sidepiece recess sidewall, Right Inboard wall, afterwards, with roll, clamp described N+1 left, Right Inboard wall is with spacing fixing to it at left and right directions, the notch that stops N to treat pressing sidepiece groove opens when being driven plain, with roll, N is treated to the pressing of pressing sidepiece groove is N counter-lateral quadrents dovetail groove simultaneously.
3. the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section, is characterized in that, comprises the following steps:
1), on the banded sheet material extending in front and back with roll, by recurvation roll-in, process and treat that pressing is central authorities' groove to be flattened of dovetail groove, and the adjacent position in central authorities' groove left and right sides to be flattened extrudes the 1st counter-lateral quadrents groove distributing with respect to central authorities' groove to be flattened left and right with roller on banded sheet material, two grooves in described the 1st counter-lateral quadrents groove have respectively 1st left side adjoining with the left and right sidewall of central authorities grooves to be flattened, Right Inboard wall, afterwards, with roll, clamp described the 1st left side, Right Inboard wall is with spacing fixing to it at left and right directions, stop central authorities relatively to be opened when being driven plain wait the notch that flattens groove, with roll, central authorities' groove to be flattened is flattened is central dovetail groove simultaneously,
2), from the 1st counter-lateral quadrents groove, start both sides to the left and right with the following methods and process in pairs successively sidepiece dovetail groove, and a pair of to be processed sidepiece dovetail groove of definition between central dovetail groove and outermost sidepiece dovetail groove to be processed is that N to be processed is to dovetail groove, in N counter-lateral quadrents dovetail groove position to be processed, with the counter-lateral quadrents groove that roller extrudes, be N counter-lateral quadrents groove, the counter-lateral quadrents groove distributing with respect to N counter-lateral quadrents groove left and right that adjacent position extrudes with roller outside N counter-lateral quadrents groove is N+1 counter-lateral quadrents groove, and with roll, by recurvation roll-in, N counter-lateral quadrents Pocket Machining to be become to wait to flatten be that the N of dovetail groove treats and flattens sidepiece groove, described N+1 counter-lateral quadrents groove has contiguous corresponding N and treats a N+1 left side that flattens sidepiece recess sidewall, Right Inboard wall, afterwards, with roll, clamp described N+1 left, Right Inboard wall is with spacing fixing to it at left and right directions, the notch that stops N to treat pressing sidepiece groove opens when being driven plain, with roll, N is treated to the pressing of pressing sidepiece groove is N counter-lateral quadrents dovetail groove simultaneously,
3), being defined in an outermost counter-lateral quadrents dovetail groove position to be processed is edge groove with the sidepiece groove that roller extrudes, this is divided into the relative interior slot part of double distribution and opposing outer slot part to two grooves in edge groove, interior slot part has left and right inner side, the edge wall of contiguous other counter-lateral quadrents dovetail grooves, outer slot part has left and right outside, the edge wall away from other counter-lateral quadrents grooves, and edge groove is by any one processing of following three kinds of processing modes:
Mode one, first with roll, the interior slot part of edge groove is processed into and is waited to flatten as waiting to flatten interior slot part in the edge of half dovetail groove by recurvation roll-in, with roll, clamp described edge more left, right outside edge-on wall is with spacing fixing by it, stop described edge left, Right Inboard wall is left to described edge, right outside edge-on wall direction tilts, with roll, interior slot part pressing is waited to flatten in described edge is slot part in edge dovetail groove simultaneously, then with roll, the outer slot part of edge groove is processed into and is waited to flatten as waiting to flatten outer slot part in the edge of half dovetail groove by recurvation roll-in, finally with roll, edge is treated to the trench bottom that flattens outer slot part divides pressing, simultaneously with roll, the edge, left and right of banded sheet material is downward excessively curved, so that waiting to flatten outer slot part, edge is rolled into the outer slot part of edge dovetail groove, and obtain whole edge dovetail groove,
Mode two, first with roll, edge groove is processed into and is treated that pressing is the edge groove to be flattened of dovetail groove by recurvation roll-in, again with the left and right edge of roll nip taut band shape sheet material with left and right directions by its spacing fixing, stop edge to open wait flattening groove notch when being driven plain, with roll, edge groove to be flattened is flattened is edge dovetail groove simultaneously;
Mode three, excises the plate body between the wall of the left and right inner side in banded sheet material upper edge and described edge, and the residue board body part on banded sheet material is divided into required many ripples of wide cut inverted T-shaped cold-rolled forming section.
4. the forming method of many ripples of wide cut inverted T-shaped cold-rolled forming section according to claim 3, is characterized in that, the odd number that on described banded sheet material, dovetail groove to be processed is at least five.
5. according to the forming method of many ripples of the wide cut inverted T-shaped cold-rolled forming section described in claim 3 or 4, it is characterized in that, described central authorities groove to be flattened and sidepiece groove to be flattened all process by recurvation roll-in by the roll of at least two passages.
6. the process units of many ripples of wide cut inverted T-shaped cold-rolled forming section, comprise the first shaping roller that goes out drop-center for the middle part roll-in at banded sheet material, it is characterized in that, the throughput direction of banded sheet material is defined as to fore-and-aft direction, and after the first shaping roller, be provided with first and second group roll
In first group of roll, be provided with for drop-center is processed into the first recurvation running roller of waiting to flatten for central authorities' groove to be flattened of dovetail groove, is take at left and right directions to its spacing first fixing location running roller, is that first of central dovetail groove flattens running roller for central authorities' groove to be flattened is flattened for clamping the inner side wall of the 1st counter-lateral quadrents groove by recurvation roll-in, the first recurvation running roller is before the first location running roller and first flattens running roller, and the first location running roller and first flattens on the roll of running roller in same a time;
In second group of roll, be provided with for from drop-center, start both sides to the left and right successively in pairs roll-in process the L shaping roller of N counter-lateral quadrents groove, for N counter-lateral quadrents groove is processed into and is waited to flatten the M recurvation running roller for the N counter-lateral quadrents groove to be flattened of dovetail groove by recurvation roll-in, the inner side wall that is used for clamping N+1 counter-lateral quadrents groove is to locate running roller at left and right directions to its spacing fixing P, for N, the K that sidepiece groove to be flattened is flattened as sidepiece dovetail groove is flattened to running roller, described K, L, M, N, P is all greater than 1, L shaping roller is before M recurvation running roller, M recurvation running roller is after the first location running roller and first flattens running roller, P location running roller and K flatten the position before running roller, P location running roller and K flatten running roller on roll,
After second group of roll, be provided with for pressing the 3rd group of processing edge groove to cross curved processing roll or for process by block that the 3rd group of block processing roll of edge groove processed in roll-in or for cutting out the cutting means of edge groove by crossing roller,
Cross and in curved processing roll, be provided with for the interior slot part of edge groove is processed into and is waited to flatten the edge inside groove recurvation running roller of waiting to flatten interior slot part for the edge of half dovetail groove by recurvation roll-in for described the 3rd group, left along the edge of groove for gripper edge, right outside edge-on wall is to locate its spacing fixing edge inside groove for running roller, for edge being treated to flattening interior slot part flattens the edge inside groove pressing running roller for slot part in edge dovetail groove, for the outer slot part of edge groove is processed into and is waited to flatten the edge water jacket recurvation running roller of waiting to flatten outer slot part for the edge of half dovetail groove by recurvation roll-in, for edge being treated to the trench bottom that flattens outer slot part divides the edge water jacket of pressing to flatten running roller, for the downward excessively curved edge water jacket in the edge, left and right of banded sheet material being crossed to roller wheel, described edge inside groove recurvation running roller is before the running roller of edge inside groove location, edge inside groove location running roller and edge inside groove flatten on the roll of running roller in same a time, edge inside groove flattened running roller before edge water jacket recurvation running roller, water jacket recurvation running roller in edge is crossed between roller wheel in edge water jacket pressing running roller and edge water jacket, edge water jacket flattens running roller and edge water jacket is crossed on the roll of roller wheel in same a time,
In described the 3rd group of block processing roll, be provided with for by the interior slot part of edge groove by recurvation roll-in be processed into wait to flatten for the edge of dovetail groove treat edge groove recurvation edge running roller, for be clamped in the edge, left and right of banded sheet material take to its at the spacing fixing gulde edge of left and right directions along running roller, pressing edge running roller for edge being treated to edge groove pressing is edge dovetail groove, described recurvation edge running roller in gulde edge along before running roller, described gulde edge along running roller with flatten on the roll of edge running roller in same a time.
7. the process units of many ripples of wide cut inverted T-shaped cold-rolled forming section according to claim 6, is characterized in that, described the first shaping roller and L shaping roller are at least arranged on the roll of two passages.
8. according to the process units of many ripples of the wide cut inverted T-shaped cold-rolled forming section described in claim 6 or 7, it is characterized in that, described the first recurvation running roller and M recurvation running roller are at least arranged on the roll of two passages.
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| CN201210511892.2A CN102989851B (en) | 2012-12-04 | 2012-12-04 | Forming method of wide-width and multi-wave inverted T-shaped cold forming sectional steel and production device thereof |
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| CN113210469A (en) * | 2021-05-21 | 2021-08-06 | 南通职业大学 | Cold roll forming method for through groove symmetrical type plate |
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