CN102825334B - Automatic cutting saw - Google Patents
Automatic cutting saw Download PDFInfo
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- CN102825334B CN102825334B CN201210336615.2A CN201210336615A CN102825334B CN 102825334 B CN102825334 B CN 102825334B CN 201210336615 A CN201210336615 A CN 201210336615A CN 102825334 B CN102825334 B CN 102825334B
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Abstract
The invention discloses an automatic cutting saw in the field of a cutter device. A movable work bench is arranged on a frame; a main lead rail device is arranged between the movable work bench and the frame; the main lead rail device comprises a main roller bracket provided with a main roller; a lead rail for supporting the main roller is arranged at the upper side of a lead rail base arranged on the frame; a flexible lifting roller device is arranged at the side of the main roller bracket; the flexible lifting roller device comprises a cantilever arm hinged at the side of the main roller bracket; a lead roller bracket is horizontally arranged at the lower end of the cantilever arm; a lead roller is arranged at one side of the lead roller bracket; a limiting block is arranged at the upper part of the other side of the lead roller bracket; a limiting seat is fixed at the side of the main roller bracket; a limiting screw rod is in threaded connection to the limiting seat; the lower end of the limiting screw rod corresponds to the limiting block; a gap is left between the lower end of the limiting screw rod and the limiting block; the limiting block and the lead roller are separately arranged at the two sides of the cantilever arm, and the upper side of the lead roller is tightly clung to the surface of the lower side of the lead rail seat. The device is flexible in action, stable in movement, high in cutting precision, and more convenient to mount and adjust the gap of the lead rails.
Description
Technical field
The present invention relates to a kind of cast-cutting saw, particularly a kind of sawing machine of surface trimming welded tube.
Background technology
In prior art, there is a kind of continuous welded pipe product line, it mainly includes discharging frame, storage device, feeding straightening mechanism, roller pressing forming machine, straight seam welding device, shearing device and the doffer setting gradually, during its work, coil of strip is fixed on discharging frame, steel heading end is sent into straightening mechanism smoothing through storage device, then steel band enters roller pressing forming machine moulding successively, become tubulose, then through welder, pipe seam welding, extruding are sealed, through shearing device, follow the tracks of and cut off again, then drop on doffer, above technique all completes continuously.
In Chinese patent database, there is a kind of synchronous cold saw cutting machine, its application number: 201010272313.4, the applying date: 2010-09-03, this device comprises sawing motor, the axle head of sawing motor is connected with milling saw blade through transmission case, milling saw blade peripheral hardware has semi-enclosed guard shield, in frame, level is provided with two main guide rails that are parallel to each other, on main guide rail, coordinate and be provided with master slider, described master slider is fixedly mounted on the downside of main workbench, frame is provided with and drives the straight-line driving mechanism of main workbench, driving mechanism is connected with main servo motor synchronous drive, main workbench is provided with column, on column, through guidance rail slide block mechanism, be connected with auxiliary workbench, transmission case is fixedly mounted on auxiliary workbench upside, auxiliary workbench downside is connected with feeding motor-driven through ball screw framework, the feed screw nut of ball screw framework and auxiliary workbench downside fix, the leading screw two ends of ball screw framework are arranged on main workbench upside through leading screw seat, and main workbench side is provided with pipe clamp.Described driving mechanism is included in the active synchronization belt wheel of frame one end setting and the driven synchronous pulley that the frame other end arranges, active synchronization belt wheel is connected with main servo motor-driven, between driven synchronous pulley and active synchronization belt wheel, through Timing Belt, be connected, described Timing Belt is fixedly connected with main workbench, active synchronization belt wheel is arranged between two main guide rails, and driving mechanism can be the ball screw framework driving mechanism that main workbench downside arranges.
Its weak point is: this device adopts toothed belt transmission, because Timing Belt has certain elasticity, has certain elongation strain during tension, and while causing whole device cutting pipes, precision is inadequate.In addition, the cutting feed mechanism of this device adopts ball screw framework, and its complex structure is installed inconvenience, and guide clearance is adjusted inconvenience.
Summary of the invention
The object of this invention is to provide a kind of automatic control cast-cutting saw, make it be active in one's movements, move steadily, cutting accuracy is high, install, to adjust guide clearance more convenient.
The object of the present invention is achieved like this: a kind of automatic control cast-cutting saw, comprise frame, frame is provided with travelling table, between described travelling table and frame, be provided with two main guide rail devices that parallel, on travelling table, be provided with saw cutting mechanism and welded tube clamping device, between travelling table and frame, be also provided with linear servo drive mechanism, described main guide rail device comprises the main roller support that is fixed on travelling table downside, main roller support is provided with main roller, frame is provided with track base, track base upside is installed with guide rail, described main roller is supported on guide rail, main roller support side is provided with flexible roller lifting device, described flexible roller lifting device comprises the cantilever that is hinged on main roller support side, cantilever lower end has been horizontally disposed with guide roller support, guide roller support one side is provided with deflector roll, guide roller support opposite side top is provided with limited block, and main roller support side is fixed with limit base, and limited location screw rod is threaded on limit base, Limit screw lower end is corresponding with limited block, between Limit screw lower end and limited block, leaves gap, limited block and deflector roll divide and are located at cantilever both sides, deflector roll upside abuts on track base downside surface.
When the present invention works, the welded tube linear uniform motion of the welding fabrication coming from production line preceding working procedure, now, driven by servomotor travelling table, along main guide rail device length direction moving linearly, is followed the trail of welded tube, treats that travelling table is identical with welded tube point-to-point speed, and while making cut lengths that it reaches tubing, the action of welded tube clamping device, clamps welded tube, and travelling table and metal tube keep being synchronized with the movement; Then, saw cutting mechanism action, cuts off welded tube, and then clamping device unclamps welded tube, and servomotor again action drives travelling table is return initial position, for sawing is next time got ready.In the above-mentioned course of work, the rectilinear motion of travelling table needs main guide rail device accurately to lead and be achieved, promotion at welded tube, under the factor impacts such as the vibration of saw cutting mechanism, between main roller and guide rail, may beat, be shifted, now, deflector roll can limit from downside these improper motions of main roller, make between main roller and guide rail, in good mated condition, between Limit screw lower end and limited block, to leave gap, allowing has suitable motion leeway between main roller and guide rail.Compared with prior art, beneficial effect of the present invention is: this device action is sensitive, motion steadily, cutting accuracy is high, install, to adjust guide clearance more convenient.
As a further improvement on the present invention, described linear servo drive mechanism comprises servomotor, servomotor and horizontally disposed gear shaft are in transmission connection, gear shaft is provided with gear, under travelling table, middle side part is provided with tooth bar support, tooth bar support downside is provided with tooth bar location-plate, and tooth bar location-plate downside is provided with tooth bar, and described wheel and rack is meshed.By rack geared, gear and tooth bar are rigidity, and elongation strain in the longitudinal direction not guarantees that the kinematic accuracy of linear servo drive mechanism is high.In addition, tooth bar is arranged on downside, and its surface does not have cutting and piles up, and has guaranteed that operation is smooth and easy.
For further guaranteeing that motion steadily, described gear shaft both sides are supported on two gear shaft location-plates through bearing, on the forward surface of described two gear shaft location-plates, warp beam is provided with limited roller respectively, and limited roller abuts in downwards tooth bar location-plate upper surface from top, both sides respectively.Limited roller can limiting gear and tooth bar between the disengaging of beating, guarantee that both are all the time in engagement, guarantee that motion steadily.
As a further improvement on the present invention, described saw cutting mechanism comprises the sawing motor being arranged on travelling table, sawing motor is in transmission connection with cutting transmission case, the output shaft end of cutting transmission case is connected with saw blade, described cutting transmission case is hinged on travelling table through pivoted arm, on travelling table, be also hinged with cylinder body one end of a cylinder, the piston rod external part of described cylinder is connected with the feeding bearing pin arranging on cutting transmission case.During work, air cylinder driven saw blade is realized feed motion, and welded tube is cut off, and it is simple in structure, easy to operate, uses reliable.
For realizing customized cut-off, in frame, be also provided with velocity measurement mechanisms, described velocity measurement mechanisms is measured the speed of welded tube traveling priority and is sent to control system, and control system is sent the action of instruction control cylinder and servomotor action as calculated afterwards, realizes customized cut-off.
For guaranteeing safety, described saw blade is also provided with protected enclosure outward.
Preferably, described guide rail is round bar.Round bar guiding, makes main roller be difficult for deviating from, and surface is difficult for pushing cutting, reliable operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of figure.
Fig. 3 is flexible roller lifting device structural representation.
Wherein, 1 tooth bar location-plate, 2 tooth bars, 3 frames, 4 gears, 5 velocity measurement mechanisms, 6 welded tubes, 7 sawing motors, 8 flexible roller lifting devices, 9 guide rails, 10 welded tube clamping devices, 11 jointed shafts, 12 cutting transmission cases, 13 feeding bearing pins, 14 protected enclosures, 15 saw blades, 16 main rollers, 17 lifting idler pulleys, 18Luo Guan mechanism, 19 servomotors, 20 tooth bar supports, 21 limited rollers, 22 gear shaft location-plates, 23 deflector rolls, 24 travelling tables, 25 cylinders, 26 pivoted arms, 27 track bases, 28 gear shafts, 29 cantilevers, 30 cantilever bearing pins, 31 Limit screws, 32 limit bases, 33 limited blocks, 34 guide roller supports, 35 main roller supports.
The specific embodiment
As shown in the figure, for a kind of automatic control cast-cutting saw, comprise frame 3, frame 3 is provided with travelling table 24, between travelling table 24 and frame 3, be provided with two main guide rail devices that parallel, on travelling table 24, be provided with saw cutting mechanism and welded tube clamping device 10, between travelling table 24 and frame 3, be also provided with linear servo drive mechanism, described main guide rail device comprises the main roller support 35 that is fixed on travelling table 24 downsides, main roller support 35 is provided with main roller 16, frame 3 is provided with track base 27, track base 27 upsides are installed with guide rail 9, main roller 16 is supported on guide rail 9, guide rail 9 is round bar, main roller 16 matches with it and is combined into deep-slotted chip breaker wheel, main roller support 35 sides are provided with flexible roller lifting device 8.
Above-mentioned flexible roller lifting device 8 comprises the cantilever 29 that is hinged on main roller support 35 sides through cantilever bearing pin 30, cantilever 29 lower ends have been horizontally disposed with guide roller support 34, guide roller support 34 1 sides are provided with deflector roll 23, guide roller support 34 opposite side tops are provided with limited block 33, main roller support 35 sides are fixed with limit base 32, limited location screw rod 31 is threaded on limit base 32, Limit screw 31 lower ends are corresponding with limited block 33, between Limit screw 31 lower ends and limited block 33, leave gap, by rotary spacing screw rod 31, can change this gap; Limited block 33 and deflector roll are located at cantilever 29 both sides for 23 minutes; Deflector roll 23 upsides abut on track base 27 downside surfaces.
Linear servo drive mechanism comprises servomotor 19, servomotor 19 is in transmission connection with horizontally disposed gear shaft 28, gear shaft 28 is provided with gear 4,24 times middle side parts of travelling table are provided with tooth bar support 20, tooth bar support 20 downsides are provided with tooth bar location-plate 1, tooth bar location-plate 1 downside is provided with tooth bar 2, and gear 4 is meshed with tooth bar 2.Gear shaft 28 both sides are supported on two gear shaft location-plates 22 through bearing, and on the forward surface of two gear shaft location-plates 22, warp beam is provided with limited roller 21 respectively, and limited roller 21 abuts in downwards the upper surface of tooth bar location-plate 1 from top, both sides respectively.
Saw cutting mechanism comprises the sawing motor 7 being arranged on travelling table 24, sawing motor 7 is in transmission connection with cutting transmission case 12, the output shaft end of cutting transmission case 12 is connected with saw blade 15, cutting transmission case 12 is hinged on travelling table 24 through pivoted arm 26, jointed shaft 11 provides support, pivoted arm 26 can rotate around jointed shaft 11, on travelling table 24, be also hinged with cylinder body one end of a cylinder 25, the piston rod external part of cylinder 25 is connected with the feeding bearing pin 13 arranging on cutting transmission case 12, during cylinder 25 intake and exhaust, piston rod stretches out or returns, can realize the feeding of saw blade or return.
In frame 3, be also provided with velocity measurement mechanisms 5, velocity measurement mechanisms 5 is measured the speed of welded tube 6 traveling priorities and sends to control system, and control system is sent 25 actions of instruction control cylinder and servomotor 19 actions as calculated afterwards, realizes customized cut-off.
The outer protected enclosure 14 that is also provided with of described saw blade 15; On travelling table 24, be also provided with lifting idler pulley 17, for holding welded tube 6, discharging one side of frame 3 is provided with Luo Guan mechanism 18, and the welded tube 6 after cut-out can be piled up, be packed by Luo Guan mechanism 18.
The present invention is not limited to above-described embodiment; on the basis of technical scheme disclosed by the invention; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some replacements and distortion to some technical characterictics wherein, these replacements and distortion are all in protection scope of the present invention.
Claims (5)
1. an automatic control cast-cutting saw, comprise frame, frame is provided with travelling table, between described travelling table and frame, be provided with two main guide rail devices that parallel, on travelling table, be provided with saw cutting mechanism and welded tube clamping device, between travelling table and frame, be also provided with linear servo drive mechanism, it is characterized in that: described main guide rail device comprises the main roller support that is fixed on travelling table downside, main roller support is provided with main roller, frame is provided with track base, track base upside is installed with guide rail, and described main roller is supported on guide rail; Main roller support side is provided with flexible roller lifting device, described flexible roller lifting device comprises the cantilever that is hinged on main roller support side, cantilever lower end has been horizontally disposed with guide roller support, guide roller support one side is provided with deflector roll, guide roller support opposite side top is provided with limited block, and main roller support side is fixed with limit base, and limited location screw rod is threaded on limit base, Limit screw lower end is corresponding with limited block, between Limit screw lower end and limited block, leaves gap; Limited block and deflector roll divide and are located at cantilever both sides; Deflector roll upside abuts on track base downside surface; Described linear servo drive mechanism comprises servomotor, servomotor and horizontally disposed gear shaft are in transmission connection, gear shaft is provided with gear, under travelling table, middle side part is provided with tooth bar support, tooth bar support downside is provided with tooth bar location-plate, tooth bar location-plate downside is provided with tooth bar, and described wheel and rack is meshed; Described gear shaft both sides are supported on two gear shaft location-plates through bearing, and on the forward surface of described two gear shaft location-plates, warp beam is provided with limited roller respectively, and limited roller abuts in downwards tooth bar location-plate upper surface from top, both sides respectively; On travelling table, be also provided with the lifting idler pulley for holding welded tube, discharging one side of frame is provided with Luo Guan mechanism.
2. automatic control cast-cutting saw according to claim 1, it is characterized in that: described saw cutting mechanism comprises the sawing motor being arranged on travelling table, sawing motor is in transmission connection with cutting transmission case, the output shaft end of cutting transmission case is connected with saw blade, described cutting transmission case is hinged on travelling table through pivoted arm, on travelling table, be also hinged with cylinder body one end of a cylinder, the piston rod external part of described cylinder is connected with the feeding bearing pin arranging on cutting transmission case.
3. automatic control cast-cutting saw according to claim 2, it is characterized in that: in frame, be also provided with velocity measurement mechanisms, described velocity measurement mechanisms is measured the speed of welded tube traveling priority and is sent to control system, control system is sent the action of instruction control cylinder and servomotor action as calculated afterwards, realizes customized cut-off.
4. automatic control cast-cutting saw according to claim 3, is characterized in that: described saw blade is also provided with protected enclosure outward.
5. according to the automatic control cast-cutting saw described in claim 1,2,3,4 any one, it is characterized in that: described guide rail is round bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210336615.2A CN102825334B (en) | 2012-09-13 | 2012-09-13 | Automatic cutting saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210336615.2A CN102825334B (en) | 2012-09-13 | 2012-09-13 | Automatic cutting saw |
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| CN102825334A CN102825334A (en) | 2012-12-19 |
| CN102825334B true CN102825334B (en) | 2014-04-02 |
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| CN201210336615.2A Active CN102825334B (en) | 2012-09-13 | 2012-09-13 | Automatic cutting saw |
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| CN103357953B (en) * | 2013-07-30 | 2015-09-23 | 江苏国强镀锌实业有限公司 | The online follow-up cutting device of column |
| CN103785895B (en) * | 2014-01-28 | 2016-10-05 | 武汉伊科工贸有限公司 | High-speed Computer number control sawing device |
| CN104588762A (en) * | 2014-11-28 | 2015-05-06 | 芜湖恒美电热器具有限公司 | Steel tube cutting machine |
| CN105345137B (en) * | 2015-10-10 | 2017-12-12 | 中国石油天然气集团公司 | A kind of ring cutter device |
| CN105461205B (en) * | 2015-12-25 | 2017-10-31 | 重庆兴宝兴玻璃制品有限公司 | Glass tube cutter device |
| CN107309489A (en) * | 2017-08-24 | 2017-11-03 | 泉州弘正机械有限公司 | Full-automatic electric tube cutter |
| CN107671358A (en) * | 2017-09-19 | 2018-02-09 | 上海恒荷机电科技有限公司 | Section tube electric tube cutter |
| CN113661023A (en) * | 2019-04-12 | 2021-11-16 | 费斯托工具有限责任公司 | Machine tool with side contact body and support body |
| CN111408785A (en) * | 2020-05-25 | 2020-07-14 | 湖州新兴汽车部件有限公司 | High-precision automatic welded pipe cutting machine |
| CN114800019B (en) * | 2022-05-13 | 2022-11-18 | 玉环仪表机床制造厂 | Lathe body with damping function and using method thereof |
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