CN101890533A - Differential rotary cutting saw for cutting off circular tubes - Google Patents
Differential rotary cutting saw for cutting off circular tubes Download PDFInfo
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- CN101890533A CN101890533A CN 201010213670 CN201010213670A CN101890533A CN 101890533 A CN101890533 A CN 101890533A CN 201010213670 CN201010213670 CN 201010213670 CN 201010213670 A CN201010213670 A CN 201010213670A CN 101890533 A CN101890533 A CN 101890533A
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Abstract
The invention discloses a differential rotary cutting saw for cutting off circular tubes, comprising a base, wherein a supporting jacket is fixedly connected on the base; a circular tube clamping device is arranged in the supporting jacket; a rotary sleeve is arranged on the excircle of the supporting jacket; a tool disc is fixed at one end of the rotary sleeve and is in slip connection with tool aprons; the tool aprons are connected with cutting-off tools and feed screws; the cutting-off tools are provided with radial feed drive mechanisms; and the tool disc is provided with a rotary drive mechanism. The saw is high in efficiency, low in cost and low in metal consumption and has the advantages of low noise, low power consumption, bright and clean saw bite, long tool life, low sawing cost and the like.
Description
Technical field
The present invention relates to a kind of high speed cut-out technology, particularly a kind of differential rotary-cut saw that cuts off pipe.
Background technology
At present, the saw that flies of online cut-out steel pipe has two kinds on welded pipe product line, and the one, friction saw, another is the milling saw.Friction saw carries out full section with the saw disc that rotates at a high speed to steel pipe and passes through the formula sawing, and friction flies the sawing steel pipe and exists noise big, and power consumption is big, and the saw disc life-span is short, sawing quality extreme difference, the shortcoming that metal consumption is big; For heavy caliber, heavy wall, this kind of steel pipe sawing mode of high grade of steel is difficult to be adapted to; The milling saw is the sawed-off equipment of a kind of novel steel tube that occurs in recent years, and it utilizes the milling saw disc of two movement locus numerical controls that steel pipe is carried out the profile milling cutting, and its advantage is: owing to adopt profile cut, cutting-in is little, and cutting resistance is little, and saw kerf is bright and clean.But because the decision of cutting character, its sawing speed is slower, has restricted the raising of line speed, and owing to milling saw disc price height, the saw disc life-span is not high, has increased production cost on the other hand.
Seeking the sawed-off equipment of novel steel tube, solve the low and high problem of production cost of production efficiency of milling saw, is the problem that the welded tube industrial development needs to be resolved hurrily.
Summary of the invention
The present invention provides a kind of and can realize that the differential rotary-cut of the cut-out pipe of high-speed, high-quality, low cost and low metal consumption saws for solving the technical problem that exists in the known technology.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of differential rotary-cut saw that cuts off pipe, and this rotary-cut saw comprises support, is connected with the support overcoat on the described support, is provided with the pipe clamping device in the described support overcoat; On the cylindrical of described support overcoat rotary sleeve is installed, the intrinsic cutterhead of an end of described rotary sleeve slidely connects tool rest on the described cutterhead, is connected with cutting off tool on the described tool rest, is connected with feed screw on the described tool rest; Described cutting off tool is provided with the radial feed driving mechanism, described radial feed driving mechanism comprises the differential gearing case that is installed on the support, be provided with the differential gear train of resultant motion in the described differential gearing case, described differential gear train is provided with two power shafts and an output shaft, a power shaft of described differential gear train is connected with the cutterhead rotary drive motor, another power shaft is connected with the tool feeding drive motors, the output shaft of described differential gear train is given the tool feeding driven wheel by first gear drive with transmission of power, described tool feeding driven wheel is rotatably installed on the cylindrical of described rotary sleeve, be connected with tool feeding on the described tool feeding driven wheel and drive ring gear, described tool feeding drives on the ring gear and is engaged with planetary gear, and described planetary gear is given described feed screw by a pair of bevel gear adjutant transmission of power; Described cutterhead is provided with rotary drive mechanism, described rotary drive mechanism comprises the cutter plate driver gear affixed with rotary sleeve, also be provided with an independent output shaft of cutterhead rotary drive motor in the described differential gearing case, the independent output shaft of described cutterhead rotary drive motor rotates driven wheel with transmission of power to cutterhead by second gear drive, be connected with pinion frame on the described cutterhead, one planet gear shaft is installed on the described pinion frame, a described planetary gear is installed on the described planet pin; Rotate at described cutterhead rotary drive motor, when described tool feeding drive motors was static, cutterhead rotation driven wheel was identical with tool feeding driven wheel rotating speed.
Described pipe clamping device comprises the interior cover that is packed in the fixed cover, the cylindrical that overlaps in described is provided with the elongated slot with its axially parallel, slide in the described elongated slot and be embedded with push rod and interior clamping element, the front end arranged outside of described push rod is a wedge shape, slidely connect described interior clamping element on the nosed of described push rod, the rear end of clamping element is provided with the wedge structure adaptive with the nosed of described push rod in described, the front end of clamping element is provided with the clamp that extends to pipe in described, the front end of cover is provided with the opening that passes for described clamp in described, described clamp is installed in the described opening and extends to pipe, and the front of described interior clamping element is provided with door; Be connected with slip cap on the cylindrical of cover in described, described push rod and described slip cap are affixed, and described slip cap is by the hydraulic oil cylinder driving that is installed on the support.
Advantage and good effect that the present invention has are: adopt parting tool, the cutterhead that adopts rotation at a high speed is as principal cutting movement, utilize differential gearing to realize that the principal cutting movement of cutterhead matches with the feed motion of cutting off tool, and, cut off area velocity and can reach 1600mm with clamping the fast shut-off of finishing pipe in the hydraulic pressure
2/ s, kerf width only are 2.5-4.0mm, and the cutter consuming cost only is 1/20 of milling saw, the efficient height, and cost is low, and metal consumption is little; And the present invention also has series of advantages such as noise is low, and power consumption is little, and saw kerf is bright and clean, and cutter life is long, and the sawing cost is low.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1, support, 2, slip cap, 3, push rod, 4, interior cover, 5, support overcoat, 6, oil cylinder, 7, cutterhead rotation driven wheel, 8, the independent output shaft of cutterhead rotary drive motor, 9, the cutterhead rotary drive motor, 10, the tool feeding drive motors, 11, the differential gearing case, 12, the output shaft of differential gear train, 13, the tool feeding driven wheel, 14, tool feeding drives ring gear, 15, planetary gear, 16, feed screw, 17, tool rest, 18, cutting off tool, 19, cutterhead, 20, clamp, 21, pinion frame, 22, planet pin, 23, rotary sleeve.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1, a kind of differential rotary-cut of cutting off pipe is sawed, and is installed in to can be used on the travelling car pipe in advancing is carried out fixed ruler cutting, is fixed on the basis, can cut off static pipe.Pipe can be steel pipe, hard plastic tube etc.
This rotary-cut saw comprises support 1, is connected with on the support 1 and supports overcoat 5, supports in the overcoat 5 and is provided with the pipe clamping device; On the cylindrical of support overcoat 5 rotary sleeve 23 is installed, the intrinsic cutterhead 19 of an end of rotary sleeve 23 slidely connects four tool rests 17 on the cutterhead 19, be connected with a carbide alloy cutting off tool 18 on each tool rest 17, is connected with feed screw 16 on each tool rest 17.
Cutting off tool 18 is provided with the radial feed driving mechanism, the radial feed driving mechanism comprises the differential gearing case 11 that is installed on the support 1, be provided with the differential gear train of resultant motion in the described differential gearing case 11, described differential gear train is provided with two power shafts and an output shaft, a power shaft of differential gear train is connected with cutterhead rotary drive motor 9, another power shaft is connected with tool feeding drive motors 10, the output shaft 12 of differential gear train is given tool feeding driven wheel 13 by first gear drive with transmission of power, tool feeding driven wheel 13 is rotatably installed on the cylindrical of rotary sleeve 23, be connected with tool feeding on the tool feeding driven wheel 13 and drive ring gear 14, tool feeding drives on the ring gear 14 and is engaged with four planetary gears 15, each planetary gear 15 by a pair of bevel gear adjutant transmission of power to the feed screw 16 on the tool rest.
Cutterhead 19 is provided with rotary drive mechanism, this rotary drive mechanism comprises the cutter plate driver gear 7 affixed with rotary sleeve 23, also be provided with an independent output shaft of cutterhead rotary drive motor 9 in the described differential gearing case 11, the independent output shaft 8 of cutterhead rotary drive motor rotates driven wheel 7 with transmission of power to cutterhead by second gear drive.Be connected with four pinion frames 21 on the cutterhead 19, a planet gear shaft 22 is installed on each pinion frame 21, an above-mentioned planetary gear 15 is installed on the planet pin 22.
Said structure design should be satisfied: rotate at cutterhead rotary drive motor 9, when tool feeding drive motors 10 was static, cutterhead rotation driven wheel 7 was identical with tool feeding driven wheel 13 rotating speeds.
Above-mentioned cutterhead rotary drive motor 9 is a variable-frequency motor, and tool feeding drive motors 10 is an AC servo motor, and cutterhead rotary drive motor 9 and tool feeding drive motors 10 all adopt digital control.
The cut-out principle of this rotary-cut saw is:
The rotation of the rotation of a cutterhead rotary drive motor 9 and a tool feeding drive motors 10 lumps together by the differential gear train lotus root in the differential gearing case 11, drives output shaft 12 rotations of differential gear train jointly.Cutterhead rotary drive motor 9 oneself also has independently output shaft in addition.When cutterhead rotary drive motor 9 rotates separately, the independent output shaft 8 of cutterhead rotary drive motor has rotating speed output, by selecting suitable speed ratio design, can make the output shaft of differential gear train that the identical equal-sized rotating speed output of direction is also arranged, and make cutterhead rotation driven wheel 7 and tool feeding driven wheel 13 that rotatablely moving with speed in the same way also be arranged, cutterhead 19 rotations this moment, but the cutter feeding drives ring gear 14 because rotate synchronously with cutterhead 19, the two does not relatively rotate, drive the planetary gear 15 and the secondary transfixion of bevel gear of tool rest feeding, thereby cutting off tool 18 there is not feed motion; When tool feeding drive motors 10 rotates, lotus root cooperation by differential gear train is used, the output shaft 12 of differential gear train is superimposed with an additional rotating speed that is produced by the rotation of tool feeding drive motors on the basis of original rotating speed, the independent output shaft 8 of cutterhead rotary drive motor has difference with the rotating speed of the output shaft 12 of differential gear train at this moment, make cutterhead 19 and tool feeding drive between the ring gear 14 and relative motion occurs, the planetary gear 15 and the bevel gear pair that drive tool rest 17 begin to rotate, drive cutting off tool 18 and do corresponding feed motion, the direction of feed motion, the speed and the amount of feeding can be undertaken digital control by servo-drive system.
Above-mentioned pipe clamping device comprises the interior cover 4 that is packed in the fixed cover 5, in cover 4 cylindrical be provided with four elongated slots with its axially parallel, slide in each elongated slot and be embedded with a push rod 3 and an interior clamping element, the front end arranged outside of push rod 3 is a wedge shape, and the cross section of the nosed of push rod 3 is a swallow-tail form; Slidely connect interior clamping element on the nosed of push rod 3, the rear end of interior clamping element is provided with wedge structure and the dovetail groove adaptive with the nosed of push rod 3, the front end of interior clamping element is provided with the clamp 20 that extends to pipe, the front end of interior cover 4 is provided with the opening that passes for clamp 20, clamp 20 is installed in the above-mentioned opening and extends to pipe, the front of interior clamping element is provided with door, and clamping element is in the location of interior cover 4 on axially in being used for.Be connected with slip cap 2 on the cylindrical of interior cover 4, all push rods 3 are all affixed with slip cap 2, and slip cap 2 is driven by the oil cylinder 6 that is installed on the support 1.
The clamping principle of this rotary-cut saw is:
The oil cylinder 6 that is fixed on the support 1 stretches out, and moves after driving quadruplet push rods 3 by connected slip cap 2, and the clamp 20 in driving on the clamping element moves and with its clamping to pipe.
For steel pipe is carried out machining reliable and stablely, this rotary-cut saw clamps afterwards earlier and cuts off, and cutting off tool obtains to be independent of the radial feed motion of high speed rotary head under differential gear train drives, thereby realizes the purpose of fast shut-off steel pipe.
The quantity of above-mentioned cutoff tool, the quantity of interior clamping element can specifically be determined according to the specification of amputating saw, are not limited to the quantity in the present embodiment.
Although in conjunction with the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.
Claims (2)
1. a differential rotary-cut saw that cuts off pipe is characterized in that this rotary-cut saw comprises support (1), is connected with on the described support (1) and supports overcoat (5), is provided with the pipe clamping device in the described support overcoat (5); Rotary sleeve (23) is installed on the cylindrical of described support overcoat 5, the intrinsic cutterhead of one end (19) of described rotary sleeve (23), slidely connect tool rest (17) on the described cutterhead (19), be connected with cutting off tool (18) on the described tool rest (17), be connected with feed screw (16) on the described tool rest (17); Described cutting off tool (18) is provided with the radial feed driving mechanism, described radial feed driving mechanism comprises the differential gearing case (11) that is installed on the support (1), be provided with the differential gear train of resultant motion in the described differential gearing case (11), described differential gear train is provided with two power shafts and an output shaft, a power shaft of described differential gear train is connected with cutterhead rotary drive motor (9), another power shaft is connected with tool feeding drive motors (10), the output shaft of described differential gear train (12) is given tool feeding driven wheel (13) by first gear drive with transmission of power, described tool feeding driven wheel (13) is rotatably installed on the cylindrical of described rotary sleeve (23), be connected with tool feeding on the described tool feeding driven wheel (13) and drive ring gear (14), described tool feeding drives on the ring gear (14) and is engaged with planetary gear (15), and described planetary gear (15) is given described feed screw (16) by a pair of bevel gear adjutant transmission of power; Described cutterhead (19) is provided with rotary drive mechanism, described rotary drive mechanism comprises and the affixed cutter plate driver gear (7) of rotary sleeve (23), also be provided with an independent output shaft of cutterhead rotary drive motor (9) in the described differential gearing case (11), the independent output shaft (8) of described cutterhead rotary drive motor rotates driven wheel (7) with transmission of power to cutterhead by second gear drive, be connected with pinion frame (21) on the described cutterhead (19), one planet gear shaft (22) is installed on the described pinion frame (21), a described planetary gear (15) is installed on the described planet pin (22); Rotate at described cutterhead rotary drive motor (9), when described tool feeding drive motors (10) was static, cutterhead rotation driven wheel (7) was identical with tool feeding driven wheel (13) rotating speed.
2. the differential rotary-cut saw of cut-out pipe according to claim 1, it is characterized in that, described pipe clamping device comprises the interior cover (4) that is packed in the fixed cover (5), the cylindrical of described interior cover (4) is provided with the elongated slot with its axially parallel, slide in the described elongated slot and be embedded with push rod (3) and interior clamping element, the front end arranged outside of described push rod (3) is a wedge shape, slidely connect described interior clamping element on the nosed of described push rod (3), the rear end of described interior clamping element is provided with the adaptive wedge structure of nosed with described push rod (3), the front end of clamping element is provided with the clamp (20) that extends to pipe in described, the front end of cover (4) is provided with the opening that passes for described clamp (20) in described, described clamp (20) is installed in the described opening and extends to pipe, and the front of described interior clamping element is provided with door; Be connected with slip cap (2) on the cylindrical of cover (4) in described, described push rod (3) is affixed with described slip cap (2), and described slip cap (2) is driven by the oil cylinder (6) that is installed on the support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102136703A CN101890533B (en) | 2010-06-30 | 2010-06-30 | Differential rotary cutting saw for cutting off circular tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102136703A CN101890533B (en) | 2010-06-30 | 2010-06-30 | Differential rotary cutting saw for cutting off circular tubes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101890533A true CN101890533A (en) | 2010-11-24 |
| CN101890533B CN101890533B (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102136703A Expired - Fee Related CN101890533B (en) | 2010-06-30 | 2010-06-30 | Differential rotary cutting saw for cutting off circular tubes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101890533B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012088886A1 (en) * | 2010-12-31 | 2012-07-05 | 广东联塑机器制造有限公司 | Chipless cutting machine |
| CN102837060A (en) * | 2012-09-07 | 2012-12-26 | 莱芜市金辰楔横轧轴件有限公司 | Hot round steel circular cutting machine |
| CN112427723A (en) * | 2020-10-12 | 2021-03-02 | 湖北工业大学 | Planetary continuous rotation pipe cutting device and pipe cutting method |
| CN112719415A (en) * | 2020-11-30 | 2021-04-30 | 沈阳富创精密设备股份有限公司 | Automatic control semi-automatic pipe cutting machine for fixing pipes |
| CN116833769A (en) * | 2023-09-01 | 2023-10-03 | 太原科技大学 | Coil pipe scale production line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61100312A (en) * | 1984-10-22 | 1986-05-19 | Kyoritsu Kikai Kk | Rotary type pipe cutter |
| CN87203976U (en) * | 1987-03-14 | 1987-12-31 | 吴声震 | Pipe cutting machine |
| US4905552A (en) * | 1987-06-03 | 1990-03-06 | Shinko Kikai Kabushiki Kaisha | Rotary pipe cutting apparatus |
| CN2361395Y (en) * | 1999-04-01 | 2000-02-02 | 陈淦 | Electro-hydraulic numerically controlled taper pipe three-roll planetary rolling mill |
| CN2688425Y (en) * | 2004-04-15 | 2005-03-30 | 刘星 | Steel pipe cutting machine tools |
| CN201693236U (en) * | 2010-06-30 | 2011-01-05 | 天津市福臣机电设备开发有限公司 | Rotary-cutting saw for cutting circular pipe |
-
2010
- 2010-06-30 CN CN2010102136703A patent/CN101890533B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61100312A (en) * | 1984-10-22 | 1986-05-19 | Kyoritsu Kikai Kk | Rotary type pipe cutter |
| CN87203976U (en) * | 1987-03-14 | 1987-12-31 | 吴声震 | Pipe cutting machine |
| US4905552A (en) * | 1987-06-03 | 1990-03-06 | Shinko Kikai Kabushiki Kaisha | Rotary pipe cutting apparatus |
| CN2361395Y (en) * | 1999-04-01 | 2000-02-02 | 陈淦 | Electro-hydraulic numerically controlled taper pipe three-roll planetary rolling mill |
| CN2688425Y (en) * | 2004-04-15 | 2005-03-30 | 刘星 | Steel pipe cutting machine tools |
| CN201693236U (en) * | 2010-06-30 | 2011-01-05 | 天津市福臣机电设备开发有限公司 | Rotary-cutting saw for cutting circular pipe |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012088886A1 (en) * | 2010-12-31 | 2012-07-05 | 广东联塑机器制造有限公司 | Chipless cutting machine |
| CN102837060A (en) * | 2012-09-07 | 2012-12-26 | 莱芜市金辰楔横轧轴件有限公司 | Hot round steel circular cutting machine |
| CN112427723A (en) * | 2020-10-12 | 2021-03-02 | 湖北工业大学 | Planetary continuous rotation pipe cutting device and pipe cutting method |
| CN112719415A (en) * | 2020-11-30 | 2021-04-30 | 沈阳富创精密设备股份有限公司 | Automatic control semi-automatic pipe cutting machine for fixing pipes |
| CN116833769A (en) * | 2023-09-01 | 2023-10-03 | 太原科技大学 | Coil pipe scale production line |
| CN116833769B (en) * | 2023-09-01 | 2023-11-17 | 太原科技大学 | Coil pipe scale production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101890533B (en) | 2011-12-14 |
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