CN103658844A - Continuous pipe cutting machine - Google Patents

Continuous pipe cutting machine Download PDF

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Publication number
CN103658844A
CN103658844A CN201310728581.6A CN201310728581A CN103658844A CN 103658844 A CN103658844 A CN 103658844A CN 201310728581 A CN201310728581 A CN 201310728581A CN 103658844 A CN103658844 A CN 103658844A
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crank
gear
worm
box
pinion
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CN201310728581.6A
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CN103658844B (en
Inventor
马廉洁
齐世清
付海东
石林
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Northeastern University China
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Northeastern University China
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Abstract

The invention discloses a continuous pipe cutting machine which comprises a gear box, a servo motor, a power transmission mechanism, crank mechanisms, an annular sliding groove and saw blades. The servo motor is fixed to one end of the top surface of a box cover, a control input gear is arranged on an output shaft of the servo motor, a worm mechanism is arranged on the upper portion inside the gear box, and a guiding gear is arranged at one end of the worm mechanism and meshed with the control input gear. A hollow main shaft is arranged in the center of the box cover, the power transmission mechanism is arranged on the hollow main shaft and meshed with the worm mechanism, and the three crank mechanisms are arranged on the power transmission mechanism. Each crank mechanism is provided with the saw blades and a small crank shaft, the annular sliding groove is formed in the side face of the gear box, and the end of each small crank shaft is connected with the annular sliding groove in a sliding mode. The hollow main shaft not only can have the effects of a shaft, but also is a feeding port. Pipe cutting work can be rapidly finished, automatic tool advance and tool retracting are achieved, and the continuous pipe cutting machine has the advantages of being simple in structure and low in manufacturing cost and is suitable for being used for various scales of factories.

Description

A kind of continuous pipe cutting machine
Technical field
The present invention relates to a kind of pipe cutting machine, particularly a kind of continuous pipe cutting machine.
Background technology
Over nearly 10 years, China's output of steel tube and consumption figure sustainable growth, reach 4,224 ten thousand tons to output of steel tube in 2007, accounts for the more than 1/3 of world's output of steel tube.China has developed in the world today maximum steel pipe's production state, maximum steel pipe country of consumption and maximum steel pipe net exporter, has become genuine steel pipe big country.
Along with the increase day by day of the demand of steel pipe, also seem especially important of the production of steel pipe.Several meters and even a large section of tens meters that the steel pipe of industrial machine-shaping is produced according to specification often, need to cut into as requested some sections of certain length in practical application, so the design of pipe cutting machine is produced and just become the current problem of being badly in need of solution.Traditional cutting method of steel pipe has manual sawing, sawing machine sawing, emery wheel cutting and gas welding cutting etc.The method of these steel pipe cuttings is all existing the shortcomings such as cutting efficiency is low, labor strength large, poor working environment in varying degrees.
Although now along with the extensive use of Numeric Control Technology, occurred the computerized numerical control sawing machine of some high-precision special pipe cuttings, application laser distance measuring principle and advanced sensor can obtain Cutting Length accurately; Utilize electric spark or laser cutting, can form smooth, bright and clean otch; Utilize PLC control module can realize the full-automatic cutting control procedure of the steel pipe of different tube diameters, wall thickness and material being carried out to charging, measurement, cutting, discharge.But this full-automatic sawing machine need to have harsh condition of work, and the temperature of working environment, humidity and even air cleanliness are had to strict demand, can not execute-in-place, being not suitable for steel pipe required precision is not very high enterprise yet.And most producers that produce seamless steel pipe in enormous quantities are to the not too high requirement of the precision of steel pipe.And for some small-sized factories with concerning pipe fitting processing not frequently enterprise, the methods such as application numerical control are processed these pipe fittings and are just wasted one's talent on a petty job a little, even serious waste resource.
Summary of the invention
The object of the invention is to, a kind of continuous pipe cutting machine is provided, it can complete Pipe Cutting work fast, realizes autofeed and automatic withdrawal, has advantages of simple in structure and low cost of manufacture, and the factory that is suitable for various scales is used.
Technical scheme of the present invention: a kind of continuous pipe cutting machine, comprise gear-box, case lid, servomotor, power transmission mechanism, crank mechanism, annular groove and saw blade, case lid is bolted on the top of gear-box, servomotor is fixed on one end of case lid end face, the output shaft of servomotor is provided with control inputs gear, top in gear-box is provided with worm mechanism, and one end of worm mechanism is provided with the guide gear being meshed with control inputs gear; The center of case lid is provided with hollow spindle, hollow spindle is provided with the power transmission mechanism being meshed with worm mechanism, power transmission mechanism is provided with 3 crank mechanisms, on each crank mechanism, be equipped with the little axle of saw blade and crank, annular groove is arranged on the side of gear-box, and end and the annular groove of the little axle of crank are slidably connected.Hollow spindle had both played the effect of axle, while or charging aperture.
In aforesaid continuous pipe cutting machine, gear-box comprises upper box and lower box, is equipped with semicircle axis hole on upper box and lower box, and two semicircle axis holes snap together and become a complete circular axis hole; Hollow spindle is arranged in two semicircle axis holes.Become up-down structure to have advantages of gear box designs and be convenient to maintenance.
In aforesaid continuous pipe cutting machine, described annular groove consists of interior rail chute and outer rail chute, and interior rail chute and outer rail chute link together by 3 uniform connecting sliding rails.By interior external slide rail is set, realized the object of autofeed and automatic withdrawal.
In aforesaid continuous pipe cutting machine, worm mechanism comprises worm shaft bearing, worm shaft and worm screw, and worm screw is fixed on the middle part of worm shaft, and the two ends of worm shaft are respectively equipped with a worm shaft bearing, and worm shaft bearing is fixed on two sides on upper box top.Use worm mechanism transmission power to have advantages of simple in structure.
In aforesaid continuous pipe cutting machine, power transmission mechanism comprises large turbine and power input gear, and large turbine is arranged on hollow spindle by bearing, and large turbine is meshed with worm screw, on large turbine, be evenly equipped with 3 crank axle installing holes, a crank mechanism is all installed on each crank axle installing hole; Power input gear is fixed on hollow spindle by axle key.
In aforesaid continuous pipe cutting machine, the angle between described any 2 crank axle installing holes is 120 degree.Adopting this design is can not touch together when guaranteeing the work of 3 saw blades, and can realize fly-cutting.
In aforesaid continuous pipe cutting machine, described crank mechanism comprises pinion stand, crank, saw blade axis, work pinion, crank pinion, planet wheel spindle and planetary gear, planet wheel spindle is fixed in crank axle installing hole by bearing, one end of planet wheel spindle is provided with the planetary gear being meshed with power input gear, the other end is provided with crank pinion and pinion stand, crank pinion is positioned at pinion stand, in pinion stand, be also provided with saw blade axis, saw blade axis is provided with the work pinion being meshed with crank pinion, crank and pinion stand design for integral type, the little axle of crank is arranged on the end of crank, saw blade is arranged on saw blade axis.Crank mechanism utilization be lever principle, the change by the little axle of crank motion path in annular groove, realizes feed and withdrawing by lever principle.
Compared with prior art, the present invention is by using hollow spindle, realized the effect of axle, played again the effect of charging aperture, effectively dwindled the volume of pipe cutting machine, by using worm mechanism transferring power, make the mechanism of cast-cutting saw obtain great simplification, and solved dexterously power transmission problem by crank mechanism being set on large turbine.By crank mechanism is set, utilize lever principle, by controlling the path of crank mechanism one end, realize the route adjust of the crank mechanism other end, realized dexterously feed and withdrawing, without manual operation, improved greatly staff's security.Of the present invention simple in structure, manufacturing cost is relatively low, and the factory of various scales is suitable use all, has good generalization.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the internal structure schematic diagram after upper box is opened;
Fig. 3 is the structural representation of gear-box and annular groove;
Fig. 4 is the structural representation of worm mechanism;
Fig. 5 is the structural representation of large turbine;
Fig. 6 is the structural representation of power transmission mechanism;
Fig. 7 is the structural representation of crank mechanism.
Being labeled as in accompanying drawing: 1-gear-box, 2-case lid, 3-servomotor, 4-power transmission mechanism, 5-crank mechanism, 6-annular groove, 7-saw blade, 8-control inputs gear, 9-worm mechanism, 10-guide gear, 11-hollow spindle, the little axle of 12-crank, 13-upper box, 14-lower box, the semicircle axis hole of 15-, 16-worm shaft bearing, 17-worm shaft, 18-worm screw, the large turbine of 19-, 20-power input gear, 21-axle key, 22-crank axle installing hole, 23-pinion stand, 24-crank, 25-saw blade axis, the 26-pinion of working, 27-crank pinion, 28-planet wheel spindle, 29-outer rail chute, 30-planetary gear, 31-connecting sliding rail, rail chute in 32-.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation to the present invention's restriction.
Embodiments of the invention: as depicted in figs. 1 and 2, a kind of continuous pipe cutting machine, comprise gear-box 1, case lid 2, servomotor 3, power transmission mechanism 4, crank mechanism 5, annular groove 6 and saw blade 7, case lid 2 is bolted on the top of gear-box 1, servomotor 3 is fixed on one end of case lid 2 end faces, the output shaft of servomotor 3 is provided with control inputs gear 8, top in gear-box 1 is provided with worm mechanism 9, and one end of worm mechanism 9 is provided with the guide gear 10 being meshed with control inputs gear 8; The center of case lid 2 is provided with hollow spindle 11, hollow spindle 11 is provided with the power transmission mechanism 4 being meshed with worm mechanism 9, power transmission mechanism 4 is provided with 3 crank mechanisms 5, on each crank mechanism 5, be equipped with the little axle 12 of saw blade 7 and crank, annular groove 6 is arranged on the side of gear-box 1, and end and the annular groove 6 of the little axle 12 of crank are slidably connected.The both sides of power transmission mechanism 4 are also provided with end cap and cover plate, for the protection of power transmission mechanism 4.
As shown in Figure 3, gear-box 1 comprises upper box 13 and lower box 14, is equipped with 15, two semicircle axis holes 15 of semicircle axis hole and snaps together and become a complete circular axis hole on upper box 13 and lower box 14; Hollow spindle 11 is arranged in two semicircle axis holes 15.Annular groove 6 consists of interior rail chute 32 and outer rail chute 29, and interior rail chute 32 and outer rail chute 29 link together by 3 uniform connecting sliding rails 31.
As shown in Figure 4, worm mechanism 9 comprises worm shaft bearing 16, worm shaft 17 and worm screw 18, worm screw 18 is fixed on the middle part of worm shaft 17, and the two ends of worm shaft 17 are respectively equipped with a worm shaft bearing 16, and worm shaft bearing 16 is fixed on two sides on upper box 13 tops.
As shown in Figure 5 and Figure 6, power transmission mechanism 4 comprises large turbine 19 and power input gear 20, large turbine 19 is arranged on hollow spindle 11 by bearing, large turbine 19 is meshed with worm screw 18, on large turbine 19, be evenly equipped with 3 crank axle installing holes 22, a crank mechanism 5 is all installed on each crank axle installing hole 22; Power input gear 20 is fixed on hollow spindle 11 by axle key 21.Angle between 2 crank axle installing holes 22 is 120 degree.
As shown in Figure 7, crank mechanism 5 comprises pinion stand 23, crank 24, saw blade axis 25, work pinion 26, crank pinion 27, planet wheel spindle 28 and planetary gear 30, planet wheel spindle 28 is fixed in crank axle installing hole 22 by bearing, one end of planet wheel spindle 28 is provided with the planetary gear 30 being meshed with power input gear 20, the other end is provided with crank pinion 27 and pinion stand 23, crank pinion 27 is positioned at pinion stand 23, in pinion stand 23, be also provided with saw blade axis 25, saw blade axis 25 is provided with the work pinion 26 being meshed with crank pinion 27, crank 24 and pinion stand 23 design for integral type, the little axle 12 of crank is arranged on the end of crank 24, saw blade 7 is arranged on saw blade axis 25.
Operation principle of the present invention: in use, the tubing of needs cutting is passed in hollow spindle 11, on hollow spindle 11, belt pulley is set, and be hollow spindle 11 transmission power by motor, because power input gear 20 is fixing with hollow spindle 11 by axle key 21, when therefore hollow spindle 11 rotates, power input gear 20 also can be followed rotation, power input gear 20 drives 3 planetary gears 30 to rotate when rotating, planetary gear 30 drives planet wheel spindle 28 to rotate, planet wheel spindle 28 drives the crank pinion 27 of the other end to rotate, crank pinion 27 drives work pinion 26 to rotate, work pinion 26 drives saw blade axis 25 to rotate, saw blade axis 25 drives the saw blade 7 being fixed on above it to rotate, saw blade 7 is responsible for cutting pipes.
Feed and withdrawing principle: servomotor 3 drives control inputs gear 8 to rotate when rotating, control inputs gear 8 drives with the guide gear 10 of its engagement and rotates, guide gear 10 drives worm shaft 17 to rotate, the worm screw 18 being fixed on during worm shaft 17 above it is followed rotation, worm screw 18 drives large turbine 19 to rotate when rotating, large turbine 19 drives 3 crank mechanisms 5 above it to rotate, that is to say that 3 saw blades 7 also revolve round the sun in rotation, because 3 crank mechanisms 5 rotate, therefore the little axle 12 of the crank on crank mechanism 5 can enter in outer rail chute 29 through connecting sliding rail 31 along the interior rail chute 32 of circular orbit 6, owing to changing to outer shroud from interior ring cutting, according to lever principle, the movement locus that crank mechanism 5 is provided with one end of saw blade 7 is to move to the position near the center of circle by the position away from the center of circle, realized feed process.The little axle 12 of crank continues to slide along outer rail chute 29, when sliding into the position of next connecting sliding rail 31, servomotor 3 rotates backward, now the little axle 12 of crank can enter into interior rail chute 32 through connecting sliding rail 31 by outer rail chute 29, according to lever principle, according to the principle center of circle, one end of sheet 7, realize withdrawing process, complete so far a whole set of cutting action.

Claims (7)

1. a continuous pipe cutting machine, it is characterized in that: comprise gear-box (1), case lid (2), servomotor (3), power transmission mechanism (4), crank mechanism (5), annular groove (6) and saw blade (7), case lid (2) is bolted on the top of gear-box (1), servomotor (3) is fixed on one end of case lid (2) end face, the output shaft of servomotor (3) is provided with control inputs gear (8), top in gear-box (1) is provided with worm mechanism (9), one end of worm mechanism (9) is provided with the guide gear (10) being meshed with control inputs gear (8), the center of case lid (2) is provided with hollow spindle (11), hollow spindle (11) is provided with the power transmission mechanism (4) being meshed with worm mechanism (9), power transmission mechanism (4) is provided with 3 crank mechanisms (5), on each crank mechanism (5), be equipped with saw blade (7) and the little axle of crank (12), annular groove (6) is arranged on the side of gear-box (1), and the end of the little axle of crank (12) and annular groove (6) are slidably connected.
2. continuous pipe cutting machine according to claim 1, it is characterized in that: gear-box (1) comprises upper box (13) and lower box (14), on upper box (13) and lower box (14), be equipped with semicircle axis hole (15), two semicircle axis holes (15) snap together becomes a complete circular axis hole; Hollow spindle (11) is arranged in two semicircle axis holes (15).
3. continuous pipe cutting machine according to claim 2, it is characterized in that: described annular groove (6) consists of interior rail chute (32) and outer rail chute (29), and interior rail chute (32) and outer rail chute (29) link together by 3 uniform connecting sliding rails (31).
4. continuous pipe cutting machine according to claim 3, it is characterized in that: worm mechanism (9) comprises worm shaft bearing (16), worm shaft (17) and worm screw (18), worm screw (18) is fixed on the middle part of worm shaft (17), the two ends of worm shaft (17) are respectively equipped with a worm shaft bearing (16), and worm shaft bearing (16) is fixed on two sides on upper box (13) top.
5. continuous pipe cutting machine according to claim 4, it is characterized in that: power transmission mechanism (4) comprises large turbine (19) and power input gear (20), large turbine (19) is arranged on hollow spindle (11) by bearing, large turbine (19) is meshed with worm screw (18), on large turbine (19), be evenly equipped with 3 crank axle installing holes (22), on each crank axle installing hole (22), a crank mechanism (5) be all installed; Power input gear (20) is fixed on hollow spindle (11) by axle key (21).
6. continuous pipe cutting machine according to claim 5, is characterized in that: the angle between described any 2 crank axle installing holes (22) is 120 degree.
7. continuous pipe cutting machine according to claim 5, it is characterized in that: described crank mechanism (5) comprises pinion stand (23), crank (24), saw blade axis (25), work pinion (26), crank pinion (27), planet wheel spindle (28) and planetary gear (30), planet wheel spindle (28) is fixed in crank axle installing hole (22) by bearing, one end of planet wheel spindle (28) is provided with the planetary gear (30) being meshed with power input gear (20), the other end is provided with crank pinion (27) and pinion stand (23), crank pinion (27) is positioned at pinion stand (23), in pinion stand (23), be also provided with saw blade axis (25), saw blade axis (25) is provided with the work pinion (26) being meshed with crank pinion (27), crank (24) and pinion stand (23) design for integral type, the little axle of crank (12) is arranged on the end of crank (24), saw blade (7) is arranged on saw blade axis (25).
CN201310728581.6A 2013-12-25 2013-12-25 A kind of pipe cutting machine continuously Active CN103658844B (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104668651A (en) * 2015-03-18 2015-06-03 广西大学 Controlled mechanism type bulk pipe cutting machine
CN106216773A (en) * 2016-08-31 2016-12-14 宁波方力科技股份有限公司 The cutter oscillation mechanism of corrugated tube groover
CN106270796A (en) * 2016-08-31 2017-01-04 宁波方力科技股份有限公司 The power splitting mechanism of corrugated tube groover
CN106270798A (en) * 2016-08-31 2017-01-04 宁波方力科技股份有限公司 The power drive mechanism of corrugated tube groover
CN106424951A (en) * 2016-08-31 2017-02-22 宁波方力科技股份有限公司 Transmission mechanism of corrugated pipe grooving machine
CN106735510A (en) * 2017-03-27 2017-05-31 贵州大学 Efficient pipe cutting machine
CN108522204A (en) * 2018-07-09 2018-09-14 罗琴 A kind of separate type robot logger people
CN109590758A (en) * 2019-01-10 2019-04-09 自贡东光汽车配件有限公司 A kind of self-positioning pipeline pipe installation
CN112077391A (en) * 2020-09-20 2020-12-15 江苏张驰轮毂制造有限公司 Automatic cutting equipment for aluminum alloy wheel hub
CN112453561A (en) * 2020-10-16 2021-03-09 王得涛 Self-moving circular tube separator
CN116329650A (en) * 2023-01-08 2023-06-27 天津中贺科技发展有限公司 Production and processing device for attached scaffold
CN117206584A (en) * 2023-11-08 2023-12-12 安徽鼎峰钢结构科技有限公司 Automatic cutting device for steel structural section

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471678A (en) * 1982-03-01 1984-09-18 Machines, Outils J. C. Davis Societe A Responsabilite Limitee Ring saw for cutting a tube
JPH08276317A (en) * 1995-04-06 1996-10-22 Sumitomo Metal Ind Ltd Cutting method of rotary hot saw
CN101791722A (en) * 2009-11-23 2010-08-04 浙江安泰机械有限公司 Pipe cutting-off equipment
CN102227281A (en) * 2009-03-06 2011-10-26 维克托里克公司 Pipe processing device having floating drive roller
CN203621616U (en) * 2013-12-25 2014-06-04 东北大学 Continuous pipe cutting machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4471678A (en) * 1982-03-01 1984-09-18 Machines, Outils J. C. Davis Societe A Responsabilite Limitee Ring saw for cutting a tube
JPH08276317A (en) * 1995-04-06 1996-10-22 Sumitomo Metal Ind Ltd Cutting method of rotary hot saw
CN102227281A (en) * 2009-03-06 2011-10-26 维克托里克公司 Pipe processing device having floating drive roller
CN101791722A (en) * 2009-11-23 2010-08-04 浙江安泰机械有限公司 Pipe cutting-off equipment
CN203621616U (en) * 2013-12-25 2014-06-04 东北大学 Continuous pipe cutting machine

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104668651A (en) * 2015-03-18 2015-06-03 广西大学 Controlled mechanism type bulk pipe cutting machine
CN106270798B (en) * 2016-08-31 2019-09-27 宁波方力科技股份有限公司 The power drive mechanism of bellows groover
CN106216773A (en) * 2016-08-31 2016-12-14 宁波方力科技股份有限公司 The cutter oscillation mechanism of corrugated tube groover
CN106270796A (en) * 2016-08-31 2017-01-04 宁波方力科技股份有限公司 The power splitting mechanism of corrugated tube groover
CN106270798A (en) * 2016-08-31 2017-01-04 宁波方力科技股份有限公司 The power drive mechanism of corrugated tube groover
CN106424951A (en) * 2016-08-31 2017-02-22 宁波方力科技股份有限公司 Transmission mechanism of corrugated pipe grooving machine
CN106270796B (en) * 2016-08-31 2018-08-31 宁波方力科技股份有限公司 The power splitting mechanism of bellows groover
CN106735510A (en) * 2017-03-27 2017-05-31 贵州大学 Efficient pipe cutting machine
CN108522204A (en) * 2018-07-09 2018-09-14 罗琴 A kind of separate type robot logger people
CN109590758A (en) * 2019-01-10 2019-04-09 自贡东光汽车配件有限公司 A kind of self-positioning pipeline pipe installation
CN112077391A (en) * 2020-09-20 2020-12-15 江苏张驰轮毂制造有限公司 Automatic cutting equipment for aluminum alloy wheel hub
CN112453561A (en) * 2020-10-16 2021-03-09 王得涛 Self-moving circular tube separator
CN112453561B (en) * 2020-10-16 2022-05-17 宁波友谊铜业有限公司 Self-moving circular tube separator
CN116329650A (en) * 2023-01-08 2023-06-27 天津中贺科技发展有限公司 Production and processing device for attached scaffold
CN116329650B (en) * 2023-01-08 2024-01-12 天津中贺科技发展有限公司 Production and processing device for attached scaffold
CN117206584A (en) * 2023-11-08 2023-12-12 安徽鼎峰钢结构科技有限公司 Automatic cutting device for steel structural section

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