CN101695732A - Application method of screw wire rod and reinforcement bar straightener - Google Patents
Application method of screw wire rod and reinforcement bar straightener Download PDFInfo
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- CN101695732A CN101695732A CN200910208839A CN200910208839A CN101695732A CN 101695732 A CN101695732 A CN 101695732A CN 200910208839 A CN200910208839 A CN 200910208839A CN 200910208839 A CN200910208839 A CN 200910208839A CN 101695732 A CN101695732 A CN 101695732A
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Abstract
The invention discloses a reinforcement bar straightener, comprising a stand as well as a multi-wheel straightening traction plate and a hydraulic cutting mechanism configured in sequence on the stand along the conveying direction of the reinforcement bar. The multi-wheel straightening traction plate is arranged at the front end of the stand, and the hydraulic cutting mechanism is arranged at the rear end of the stand and is opposite to the multi-wheel straightening traction plate. The straightener can meet the straightening requirement of large-size reinforcement bar, can realize low-consumption and rapid straightening and cutting and ensure high straightening stability. The invention also discloses an application method of a screw wire rod, which can improve the effective use ratio of the reinforcement bar, cancel invalid cutting in the steel plant and effectively solve the problem of transportation.
Description
Technical field
The present invention relates to the application process of large-sized reinforced wire rod, particularly the screw wire rod of the above specification of Φ 12mm.The invention still further relates to the straightener that is applicable to the above specification screw wire rod of Φ 12mm.
Background technology
Along with the fast development of China's economic construction, construction market presents unprecedented gratifying scene, as the reinforcing bar demand surge of important materials in the architectural engineering, has effectively spurred the market demand of concrete-bar straightening-cutting machine.
Reinforcing bar is meant armored concrete usefulness and prestressed reinforced concrete steel, and its cross section is circular, sometimes for to have the square of fillet, mainly comprises and round bar, spiral, twisted bar etc. can bear pulling force, increases mechanical strength.
The nominal diameter scope of reinforcing bar is 6～50mm, and the reinforcing bar nominal diameter of standard is 6,8,10,12,14,16,18,20,22,25,28,32,36,40,50mm.
Round steel is meant that the cross section is circular solid rectangular steel, and the difference of screw-thread steel and plain bar is that the surface has vertical rib and cross rib, has vertical rib in two roads and equally distributed along its length cross rib usually.
The product form of reinforcing bar mainly contains two kinds, and a kind of is the wire rod that is rolled into plate-like, and another kind is an enlacement packaging.
Wire rod also is wire rod, is often referred to into the minor diameter round bar or the spiral of dish, its bar diameter usually in the 6-12mm scope, the common on-site wire rod that diameter 6,8,10,12mm are arranged.Wire rod needs before use with bar straightener straightening blanking, also removes the oxidation scale simultaneously in machine, and also in repeated bending stretched, intensity improved.
And, mostly adopting the vertical bar production technology for the spiral of diameter above 12mm, enlacement packaging when dispatching from the factory is by cut lengths delivery.
This method is earlier the vertical bar steel that shuts out to be cut into tens meters long, carries out crop after cooling, is cut into measured length then, when the not enough cut lengths of final stage, just becomes random chi or waste product.
Secondly, the length of finished product all is 9-12m behind the reinforcing bar bundling, when lifting, need two workmans back and forth reeve help, be lifted on piling when becoming entrucking in order to lift next time, lay chock, lifting speed is also slower, causes human cost, equipment cost and time cost in its process of circulation all very high.
In addition, the building site is Protean to the dimensional requirement of reinforcing bar, tend to use the reinforcing bar of various different lengths, and by the spiral of cut lengths supply, have only below 5% and can directly use, even if cut lengths 1/2nd and 1/3rd direct utilization rate is also less than 20% without cutting.Will can produce a large amount of stub bars, waste material like this through cutting off for the third time during use, need welding or connection simultaneously, in fact the cut-out of steel mill has 95% all to be useless cut-out, makes troubles to construction on the contrary, can only satisfy traffic requirements.
There is not above problem in the wire rod reinforcing bar, but compare with wiretie, can have more the straightening operation one, the wire rod of production larger diameter though reinforcing bar producer has the ability, but the straightener on the market can not satisfy the straightening requirement of major diameter wire roll, limited by the straightening machine equipment, can only adopt the vertical bar production technology.
Please refer to Fig. 1, Figure 1 shows that the overall construction drawing of a kind of typical bar straightener in the prior art, it is mainly by biscuit frame 81, straightening drum 82, traction debending roll 83, cutting mechanism 84, be subjected to bin 85 and main transmission box, supports etc. partly constitute, the reinforcing bar that needs straightening processing is just above biscuit frame 81, reinforcing bar enters straightening drum 82 after coming out on the biscuit frame 81, by mechanical reduction gear motor speed is reduced in the main transmission box, and the pressure roller rotation is gone up in drive, the size that is adjusted reinforcing bar strength depends on the chucking power between the pressure roller, with have a spring to be attached thereto on the connecting rod that last pressure roller machinery links to each other, this spring is implemented pressurization to last pressure roller, the tractive force of pressure roller is directly proportional with pressure, in the square cutter platform of cutting mechanism 84 lower cutter is housed, after reinforcing bar is interrupted, be subjected to bin 85 to open discharging, after reinforcing bar falls, closed immediately by bin 85, accept next root reinforcing bar.
The power part of this bar straightener is the traction pressure roller, and under its traction, reinforcing bar passes the circular hole on the straightening drum, and circular hole surrounds reinforcing bar fully, and straightening drum can carry out the omnidirectional accurate adjustment of 360 degree when rotated to the linearity of reinforcing bar.But this mode, only be suitable for diameter is carried out straightening less than the reinforcing bar of 12mm, the cross dimension of the reinforcing bar that diameter 12mm is following is less, can all produce stress in all directions after coiling, but stress value is not very big, therefore just can eliminate stress its straightening by straightening drum.But for the reinforcing bar of diameter greater than 12mm, because the increasing of cross sectional dimensions, when coiling almost only along same direction bending, the stress direction ratio is easier to grasp, only need apply the effectively alignment of pressure of single direction, need not to carry out 360 degree adjusts, owing to the increasing of radial dimension, tractive force and pressure that it is required also are multiplied thereupon simultaneously, if still use above-mentioned straightener to carry out the words of straightening, because being 360 degree rotations, straightening drum adjusts, can cause the waste of adjusting power on the one hand, do a lot of idle works more, straightening drum can bear huge reaction force on the other hand, himself structure is destroyed easily, and locking phenomenon very easily takes place.
Therefore, how making the diameter also can be with the form supply the market of wire rod greater than the spiral of 12mm, and can carry out effective straightening to it in use, be the present technical issues that need to address of those skilled in the art.
Summary of the invention
The object of the present invention is to provide a kind of bar straightener.This straightener is suitable for the screw wire rod of the above specification of Φ 12mm is carried out straightening, thereby makes the diameter also can be with the form supply the market of wire rod greater than the spiral of 12mm.Another object of the present invention provides the application process of the above specification screw wire rod of a kind of Φ 12mm, to evade many drawbacks that enlacement packaging exists.
For achieving the above object, the present invention adopts following technical scheme:
A kind of bar straightener, comprise frame and the many wheels straightening towing plate and the hydraulic cutting mechanism of arranging successively at frame upper edge reinforcing bar throughput direction, described many wheel straightening towing plates are arranged on the frame front end, and hydraulic cutting mechanism is arranged on frame rear end, connects with many wheels straightening towing plate.
Preferably, described many wheel straightening towing plates are specially upright assembling structure, it is adjusted plate and is fixed on the frame edge-only, adjustment plate upper edge reinforcing bar throughput direction is provided with a ranking and decides sheave and the moving sheave of a ranking above reinforcing bar in the power of reinforcing bar below, described power decides sheave and moving sheave is interspersed along the reinforcing bar throughput direction is upper and lower, adjust plate and be provided with silk braid, moving sheave matches with silk braid by the screw mandrel adjustment axle at its runing rest top, the upper end of screw mandrel adjustment axle is connected with handle, and power is decided sheave and then is installed in rotation on the adjustment plate.
Preferably, described many wheel straightening towing plates are specially the paperback structure, it is fixed on the frame with adjusting plate level, adjusting plate upper edge reinforcing bar throughput direction is provided with a ranking and decides sheave and a ranking in the moving sheave of reinforcing bar level position opposite side in the power of reinforcing bar level position one side, power decides sheave and moving sheave is interspersed along the reinforcing bar throughput direction is left and right, adjust plate and be provided with silk braid, moving sheave matches with silk braid by the screw mandrel adjustment axle of its runing rest outer end, screw mandrel is adjusted the tip of the axis and is connected with handle, and power is decided sheave and then is installed in rotation on the adjustment plate.
Preferably, the side of described silk braid is provided with and is used for screw mandrel adjustment axle is carried out spacing fixedly jackscrew.
Preferably, described hydraulic cutting mechanism comprises hydraulic jack, tool fixing frame, movable knife rack and track, hydraulic jack is installed in along on the track of reinforcing bar throughput direction layout movably by dolly, tool fixing frame is fixed on the cylinder body of hydraulic jack, movable knife rack is hinged on the push rod of hydraulic jack, be provided with returning pull-spring between movable knife rack and the tool fixing frame, movable knife rack is provided with blade, is in tangent position between dissengaged positions bottom knife and the tool fixing frame.
Preferably, described hydraulic cutting mechanism further is provided with the hydraulic jack returning device, and this returning device is specially setting return spring in orbit, or directly drives the chain drive equipment that hydraulic jack moves back and forth
A kind of application process of screw wire rod, this method is utilized high-speed rod production equipment and technology, spiral is made wire rod dispatch from the factory, transport to make land used after, use draw drum and bar straightener alignment again, cut off according to required actual size then.
Preferably, described wire rod is enclosed within earlier before alignment on a trunnion axis draw drum or the vertical axis draw drum, and the dish axle becomes an angle of 90 degrees with the reinforcing bar throughput direction, and there is fulcrum the both ends or one end of axle.
Bar straightener provided by the present invention is furnished with many wheel straightening towing plates and hydraulic cutting mechanism successively at its frame upper edge reinforcing bar throughput direction, wherein many wheel straightening towing plates are used for reinforcing bar is carried out, a following direction or a left side, the straightening of right, promptly adjust greater than reinforcement stresses and the linearity of 12mm by many groups pair of rollers diameter of single direction, power on many wheel straightening towing plates is decided sheave can provide enough tractive force that reinforcing bar is fed forward, moving sheave can rotate in the cramping reinforcing bar thereupon, can jam even if apply huge pressure yet, can satisfy the straightening requirement of large-size reinforcement bar, can realize low energy consumption, the stability of straightening and abscinding, and straightening fast is high.
In another kind of preferred implementation, the movable knife rack of described hydraulic cutting mechanism is hinged on the push rod of hydraulic jack, after reinforcing bar just has been cut off, hinged movable knife rack can rotate to an angle around bearing pin under the thrust of next section reinforcing bar, thereby avoid the course of reinforcing bar, at this moment, hydraulic jack just can return, and after needn't waiting the push rod return, hydraulic jack is return, after treating the push rod return of hydraulic jack, though movable knife rack how to rotate not can with the reinforcing bar interference, movable knife rack returns to state to be cut again under the effect of extension spring, such structure can be the return time of hydraulic jack in advance 2/3, significantly improve cut-off velocity, helped improving production capacity.
In another kind of preferred implementation, drive hydraulic jack and reinforcing bar synchronous operation by chain equipment, can avoid reinforcing bar that oil cylinder is produced bump, and then improve the security and the stability of equipment, very favourable to prolonging its service life
The application process of the above specification screw wire rod of Φ 12mm provided by the present invention, cancelled original common vertical bar production technology, use the comparatively advanced high-speed rod production technology of technology instead, the dispatch from the factory reinforcing bar of scale vertical bar of existing steel mill is changed over to coil and dispatches from the factory, transport to make land used after, according to using length to carry out straightening and abscinding, can improve the effective rate of utilization of reinforcing bar again, the invalid cut-out of cancellation steel mill effectively solves transportation problem.
Description of drawings
Fig. 1 is the overall construction drawing of a kind of typical bar straightener in the prior art;
Fig. 2 is the structural representation of a kind of specific embodiment of bar straightener provided by the present invention;
Fig. 3 is the structural representation of hydraulic cutting mechanism shown in Fig. 2;
The structural representation that Fig. 4 matches with silk braid by screw mandrel for moving sheave shown in Fig. 2;
Fig. 5 is the structural representation of the another kind of embodiment of hydraulic cutting mechanism.
Pairing parts of numeral number or toponym are as follows among the figure:
Reinforcing bar 2. positioning modules 3. frames more than 4. wheel straightening towing plates 6. power decide sheave 7. moving sheave 14. hydraulic cutting mechanism 141. hydraulic oil 142. tool fixing frame 143. movable knife racks 144. tracks 145. returning pull-springs 146. chains 147. sprocket wheels 148. springs 71. screw mandrels adjust axle 72. silk braids 73. handles 74. fixedly jackscrew 81. biscuit framves 82. straightening drums 83. draw debending rolls 84. cutting mechanisms 85. and be subjected to bin
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing.The description of this part only is exemplary and indicative explanation, should any restriction not arranged to protection scope of the present invention.
Please refer to Fig. 2, Fig. 2 is the schematic diagram of a kind of specific embodiment of bar straightener provided by the present invention.
In a kind of specific embodiment, bar straightener provided by the present invention comprises frame 3 and the many wheels straightening towing plate 4 and the hydraulic cutting mechanism 14 of arranging successively at frame 3 upper edge reinforcing bar throughput directions.
Wherein many wheel straightening towing plates 4 are arranged on the front end of frame 3, and hydraulic cutting mechanism 14 is arranged on the rear end of frame 3, connects with many wheels straightening towing plate 4.
Please still with reference to figure 2, positioning module 2 is positioned at the original position of whole aligning cutting-off device, and the reinforcing bar 1 for the treatment of straightening passes thus and extends back always, and then finishes the straightening operation successively.
The front end and the positioning module 2 of many wheel straightening towing plates 4 connect, rear end and hydraulic cutting mechanism 14 connect, mainly by adjust plate with and the ranking that is provided with of upper edge reinforcing bar throughput direction decide sheave 6 and a ranking is formed in the moving sheave 7 above the reinforcing bar in the power of reinforcing bar below.
Adjust plate and be fixed on the frame 3 edge-only, power decides sheave 6 and moving sheave 7 is interspersed along the reinforcing bar throughput direction is upper and lower, by to replacing of upper and lower space is spacing reinforcing bar being carried out straightening.
Because at the initial stage of straightening process, reinforcing bar need be decided to pass between sheave 6 and the moving sheave 7 from power, and in the straightening process, needing power to decide the requirement that spacing between sheave 6 and the moving sheave 7 can satisfy straightening again, therefore moving sheave will be designed to the structure of up-down adjustment as required.
Please refer to Fig. 4, the structural representation that Fig. 4 matches with silk braid by screw mandrel for moving sheave 7 shown in Fig. 2.
Here, we decide sheave 6 with power and are installed in rotation on the adjustment plate, " decide " promptly to specify sheave to rotate around its rotating shaft original position, can not move, the runing rest of moving sheave 7 is then relatively independent, the top of runing rest is connected with screw mandrel and adjusts axle 71, adjust plate and be provided with silk braid 72, moving sheave 7 matches with silk braid 72 by screw mandrel adjustment axle 71, and the upper end of screw mandrel adjustment axle 71 is connected with handle 73, by artificial turning handle 73, can make screw mandrel adjust axle 71 rotates, and then by carrying out lifting with cooperating of silk braid 72, realize deciding the adjustment of sheave 6 spacings with power, " moving " promptly refers to that sheave 7 can move up and down with runing rest.
In addition, the side of silk braid 72 is provided with fixedly jackscrew 74, and when moving sheave 7 transferred to correct position, 74 pairs of screw mandrel adjustment of the jackscrew axle 71 that can be tightened carried out spacing, prevents its loose shift and influence degree of regulation in operation process.
The power of reinforcing bar in the straightening process is decided sheave 6 by power to be provided, and drags reinforcing bar by tractive force and carries backward continuously.
Please also refer to Fig. 2, Fig. 3, Fig. 3 is the structural representation of hydraulic cutting mechanism shown in Fig. 2.
The cutter that is used to cut off reinforcing bar is made up of two parts, a part is a tool fixing frame 142, another part is the movable knife rack 143 with blade, tool fixing frame 142 is fixed on the cylinder body of hydraulic jack 141, which is provided with reinforced steel bar perforation, movable knife rack 143 is close to tool fixing frame and is hinged on the push rod of hydraulic jack 141, and be provided with returning pull-spring 145 between the tool fixing frame 142, so that behind the cut-out reinforcing bar rapidly, self-return, be in tangent position between dissengaged positions bottom knife and the tool fixing frame 142, the tangent action of dislocation that utilizes blade and tool fixing frame 142 is with bar cutting.
The returning pull-spring 145 of above-mentioned movable knife rack can have multiple mode, as can directly adopting spring, spring one end is hooked on the movable knife rack 143, the other end is hooked on the tool fixing frame 142, the elastic force that produces by dilatation resets movable knife rack, also can adopt the torsion spring that is arranged in movable knife rack 143 rotating shafts, the elastic force that produces by rotational deformation resets movable knife rack.
When reinforcing bar is arrived required length by straightening, other part of complete equipment does not shut down, reinforcing bar still is fed forward with original speed, behind control device primer fluid compressing cylinder 141, the push rod of hydraulic jack 141 drives movable knife rack 142 incision reinforcing bars, at this moment, because blade embeds reinforcing bar inside, therefore reinforcing bar can drive hydraulic jack 141 and on movable knife rack 143 and tool fixing frame 142 slide along track together, and in the process that slides with bar cutting.
For guaranteeing accurately return of hydraulic jack 141, preparation is cut off next time, can on the hydraulic pressure cutting machine, set up the hydraulic jack returning device, referring to Fig. 2, the chain drive equipment that this returning device can be made up of chain 146 and sprocket wheel 147, hydraulic jack 141 is connected with chain 146, drives hydraulic jack 141 by sprocket wheel 147 by chain and moves back and forth, chain 146 drives oil cylinder and reinforcing bar synchronous operation, avoids reinforcing bar that oil cylinder is produced and impacts.As a kind of replacement scheme, can adopt the form of belt pulley and belt to replace sprocket wheel 147 and chain 146.
Certainly, the hydraulic jack returning device also can adopt mode as shown in Figure 5, be specially suit return spring 148 in orbit, spring 148 1 ends are against track end, the other end is against on the hydraulic jack 141, after reinforcing bar was cut off, hydraulic jack 141 just under the elastic force effect of spring 148, resetted rapidly.But inevitably reinforcing bar can produce certain impact to hydraulic jack 141.
Because movable knife rack 143 is hinged on the push rod of hydraulic jack 141, therefore after reinforcing bar has just been blocked, hinged movable knife rack 143 can rotate to an angle around bearing pin under the thrust of next section reinforcing bar, thereby avoid the course of reinforcing bar, do not influence carrying out smoothly of straightening, at this moment, hydraulic jack 141 just can return, and after needn't waiting the push rod return, hydraulic jack 141 is return, after treating the push rod return of hydraulic jack 141, though movable knife rack 143 how to rotate not can with the reinforcing bar interference, movable knife rack 143 returns to state to be cut again under the effect of extension spring 145, such structure can be the return time of hydraulic jack 141 in advance 2/3, significantly improve cut-off velocity, helped improving production capacity.
Above-mentioned concrete-bar straightening-cutting machine is when work; earlier decide the position that sheave 6 has certain space transferring to power on the moving sheave 7; then the reinforcing bar on the draw drum 1 is passed positioning module 2, takes turns straightening towing plate 4 more; then opening motor makes power decide sheave 6 to rotate the traction reinforcing bars and walk forward; after passing shut-off mechanism 14 shutdown; the tunable component of taking turns straightening towing plate 4 is adjusted to the appropriate location more, start then, according to the curved straight degree of reinforcing bar be fine tuning to suitable till.
When reaching required size, the push rod of being controlled hydraulic jack 141 by controller cuts off, and the reinforcing bar of walking in cutting-off process can promote the oil cylinder dolly and walk forward, and after reinforcing bar was cut off, hinged movable knife rack 143 can turn away and escape reinforcing bar, the dolly return.After the hydraulic jack push rod returned to original position, extension spring 145 also was withdrawn into off-position to hinged movable knife rack.
Many wheels in the foregoing description are upright to be debug whole plate and can make many wheel paperbacks into and adjust plates, adopts horizontal layout, that is to say that both overall structures are identical, will take turns upright whole plate 90 degree of lying on one's side of debuging more and get final product, just no longer is repeated in this description here.
The application process of screw wire rod provided by the invention, utilize high-speed rod production equipment and technology, spiral is made wire rod to dispatch from the factory, transport to make land used after, use draw drum and bar straightener alignment again, cut off according to required actual size then, wire rod is enclosed within earlier before alignment on a trunnion axis draw drum or the vertical axis draw drum, the dish axle becomes an angle of 90 degrees with the reinforcing bar throughput direction, and there is fulcrum the both ends or one end of axle.
Said method is specially adapted to the above specification screw wire rod of Φ 12mm, cancelled original common vertical bar production technology, use the comparatively advanced high-speed rod production technology of technology instead, the dispatch from the factory reinforcing bar of scale vertical bar of existing steel mill is changed over to coil and dispatches from the factory, transport to make land used after, according to using length to carry out straightening and abscinding, can improve the effective rate of utilization of reinforcing bar again, the invalid cut-out of cancellation steel mill effectively solves transportation problem.
More than the application process and the special-purpose straightener thereof of screw wire rod provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present invention.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (8)
1. bar straightener, comprise frame and the many wheels straightening towing plate and the hydraulic cutting mechanism of arranging successively at frame upper edge reinforcing bar throughput direction, described many wheel straightening towing plates are arranged on the frame front end, and hydraulic cutting mechanism is arranged on frame rear end, connects with many wheels straightening towing plate.
2. bar straightener according to claim 1, it is characterized in that, described many wheel straightening towing plates are specially upright assembling structure, it is adjusted plate and is fixed on the frame edge-only, adjustment plate upper edge reinforcing bar throughput direction is provided with a ranking and decides sheave and the moving sheave of a ranking above reinforcing bar in the power of reinforcing bar below, described power is decided sheave and moving sheave along on the reinforcing bar throughput direction, under be interspersed, adjust plate and be provided with silk braid, moving sheave matches with silk braid by the screw mandrel adjustment axle at its runing rest top, the upper end of screw mandrel adjustment axle is connected with handle, and power is decided sheave and then is installed in rotation on the adjustment plate.
3. bar straightener according to claim 1, it is characterized in that, described many wheel straightening towing plates are specially the paperback structure, it is fixed on the frame with adjusting plate level, adjusting plate upper edge reinforcing bar throughput direction is provided with a ranking and decides sheave and a ranking in the moving sheave of reinforcing bar level position opposite side in the power of reinforcing bar level position one side, power is decided sheave and moving sheave along a reinforcing bar throughput direction left side, the right side is interspersed, adjust plate and be provided with silk braid, moving sheave matches with silk braid by the screw mandrel adjustment axle of its runing rest outer end, screw mandrel is adjusted the tip of the axis and is connected with handle, and power is decided sheave and then is installed in rotation on the adjustment plate.
4. according to claim 2 or 3 described bar straighteners, it is characterized in that the side of described silk braid is provided with and is used for screw mandrel adjustment axle is carried out spacing fixedly jackscrew.
5. bar straightener according to claim 1, it is characterized in that, described hydraulic cutting mechanism comprises hydraulic jack, tool fixing frame, movable knife rack and track, hydraulic jack is installed in along on the track of reinforcing bar throughput direction layout movably by dolly, tool fixing frame is fixed on the cylinder body of hydraulic jack, and movable knife rack is hinged on the push rod of hydraulic jack, is provided with returning pull-spring between movable knife rack and the tool fixing frame, movable knife rack is provided with blade, is in tangent position between dissengaged positions bottom knife and the tool fixing frame.
6. bar straightener according to claim 5, it is characterized in that, described hydraulic cutting mechanism further is provided with the hydraulic jack returning device, and this returning device is specially setting return spring in orbit, or directly drives the chain drive equipment that hydraulic jack moves back and forth.
7. the application process of a screw wire rod, this method is utilized high-speed rod production equipment and technology, spiral is made wire rod dispatch from the factory, transport to make land used after, use the arbitrary described bar straightener alignment of draw drum and claim 1 to 7 again, cut off according to required actual size then.
8. the application process of screw wire rod according to claim 7 is characterized in that, described wire rod is enclosed within earlier before alignment on a trunnion axis draw drum or the vertical axis draw drum, and the dish axle becomes an angle of 90 degrees with the reinforcing bar throughput direction, and there is fulcrum the both ends or one end of axle.
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| CN200910208839A CN101695732A (en) | 2009-10-29 | 2009-10-29 | Application method of screw wire rod and reinforcement bar straightener |
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| CN200910208839A CN101695732A (en) | 2009-10-29 | 2009-10-29 | Application method of screw wire rod and reinforcement bar straightener |
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| CN104759562A (en) * | 2015-04-03 | 2015-07-08 | 金陵科技学院 | Reinforcing steel bar straightening cutting machine for integrated construction engineering |
| CN105013986A (en) * | 2015-05-27 | 2015-11-04 | 德清铭泰户外用品有限公司 | Automatic steel wire bending and cutting device |
| CN105151771A (en) * | 2015-08-07 | 2015-12-16 | 重庆煜琨珑冶金材料有限公司 | Feeding device for roll material |
| CN107363557A (en) * | 2017-08-11 | 2017-11-21 | 江门市江海区中盈汇五金制品有限公司 | A kind of skeleton straightening with side bending device is rushed curved welding integrated |
| CN108356538A (en) * | 2018-03-21 | 2018-08-03 | 昆山市汇新焊接机械自动化科技有限公司 | A kind of full-automatic wave forming soldering machine |
| CN108435966A (en) * | 2018-04-28 | 2018-08-24 | 天元建设集团有限公司 | The portable lightning-arrest muscle bending device of one kind and its bending method |
| CN108544244A (en) * | 2018-07-04 | 2018-09-18 | 西安石油大学 | The adaptive automatic shearing system of concrete-steel tape welding wiring |
| CN109604481A (en) * | 2018-12-08 | 2019-04-12 | 新晃都源电子科技有限公司 | A kind of cutting mechanism for cable processing |
| CN109530474A (en) * | 2018-12-20 | 2019-03-29 | 北京京诚瑞信长材工程技术有限公司 | A kind of coil of wire alignment production line |
| CN109530474B (en) * | 2018-12-20 | 2024-03-26 | 北京京诚瑞信长材工程技术有限公司 | Coil straightening production line |
| CN111957856A (en) * | 2020-08-12 | 2020-11-20 | 钱本贵 | Shearing mechanism is carried to reinforcing bar |
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Application publication date: 20100421 |