CN103028779B - Pneumatic hacksawing machine and pneumatic control system of pneumatic hacksawing machine - Google Patents
Pneumatic hacksawing machine and pneumatic control system of pneumatic hacksawing machine Download PDFInfo
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- CN103028779B CN103028779B CN201210508521.9A CN201210508521A CN103028779B CN 103028779 B CN103028779 B CN 103028779B CN 201210508521 A CN201210508521 A CN 201210508521A CN 103028779 B CN103028779 B CN 103028779B
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Abstract
The invention discloses a pneumatic control system of a pneumatic hacksawing machine, and the pneumatic hacksawing machine comprises a motive power mechanism, a motive power feeding mechanism, a cutting mechanism and a clamping mechanism, wherein the clamping mechanism is arranged under the cutting mechanism and is used for clamping metal materials, the motive power mechanism comprises a pneumatic motor, the pneumatic motor drives the cutting of the cutting mechanism through the motive power feeding mechanism consisting of a crank and a connecting rod, and in addition, pneumatic elements such as air cylinders are matched for realizing the movement tracks of falling, forward sawing, lifting and returning. A pneumatic system adopts the pneumatic motor and the air cylinders as executing elements, the matching with a mechanical transmission system is adopted, the knife feeding and knife lifting movement is realized, the reliability is high, a knife tool can be protected to the greatest degree by the hacksawing machine, the cutting materials are wide, the performance is stable, the use and the maintenance are convenient, and greater practical values are realized in the improvement and the popularization of the hacksawing machine.
Description
Technical field
The invention belongs to metalworking machinery technical field, be specifically related to a kind of atmospheric control of the pneumatic hacksawing machine for sawing metal material.
Background technology
Along with constantly bringing forth new ideas of socioeconomic development and science and technology, mining development is comparatively swift and violent, and safety and efficiency is the factor paid attention to the most in Mining Market.It is reported, owing to receiving high load capacity carrying, easily there is crackle, need in use to change as early as possible in the metal materials such as the existing scraper conveyer chain as colliery, and the dynamic metal material of the artificial saw of main employing, wastes time and energy at present.
Following several power saw is retrieved from domestic related documents.1. Handheld type light Pneumatic saw: this saw structure is simple, easy to operate, but rotating speed is too fast, vibration is comparatively large, and machining accuracy is poor, can increase the labour intensity of workman simultaneously.2. Pneumatic chain saw; The operation of this saw is very convenient, but the cutting object of this chain saw is mainly wood, and metal material cannot cut.3. Pneumatic disc saw: the sharpest edges of this saw be exactly speed quickly, Cutting free, but simultaneously due to impeller rotating speed quickly, easily produce spark, poor stability.4. mining hydraulic chain saw: the power of this saw is large, but it adopts hydraulic oil to do medium, but require high to part processing precision, easily leak, maintenance is inconvenient.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of atmospheric control of simple to operate, operating efficiency is high, performance safety is reliable, applied widely pneumatic hacksawing machine is provided.
A kind of atmospheric control of pneumatic hacksawing machine, for controlling pneumatic hacksawing machine, described pneumatic hacksawing machine comprises actuating unit, power feed mechanism, cutting mechanism and be arranged on below cutting mechanism, for the clamp system of grip material, described actuating unit comprises the air motor be arranged in frame, described air motor one end is provided with decelerator, this reducer output shaft matches with the crank in power feed mechanism, the other end of crank is hinged on connecting rod I, knife rest in the other end of described connecting rod I and cutting mechanism is hinged, described knife rest connects realization moving back and forth on saw blade guide rail by slide block, described knife rest bottom is provided with cutting saw blade, the below of described saw blade guide rail is provided with connecting rod II, the two ends of this connecting rod II respectively with saw blade guide rail, the piston rod of cylinder is hinged, the elastic switch of control cylinder opening and closing matches with cam, described cam is connected with reducer output shaft, the atmospheric control of described pneumatic hacksawing machine, comprise source of the gas, described source of the gas is successively by pressure-reducing valve I, gas source switch is connected to the air motor being provided with air motor speed-regulating switch, and on the cylinder control loop utilizing transfer valve to realize switching, described cylinder control loop comprises the fast lifting valve be connected with transfer valve, return of stroke valve, the loop that fast lifting valve and cylinder are formed is connected to one-way throttle valve I, one-way throttle valve I is connected with the cavity of resorption of cylinder by cavity of resorption speed control muffler, another loop is connected to one-way throttle valve II, and one-way throttle valve II is connected with the epicoele of cylinder by epicoele speed control muffler, the loop that stroke reversal valve and cylinder are formed is connected to one-way throttle valve III, pressure-reducing valve II, and pressure-reducing valve II is connected with the cavity of resorption of cylinder by one-way throttle valve IV, cavity of resorption speed control muffler, controls knife rest cutter lifting, another loop is connected to one-way throttle valve V, pressure-reducing valve III, and pressure-reducing valve III is connected with the epicoele of cylinder by one-way throttle valve VI, epicoele speed control muffler, controls knife rest feed.
The return of stroke valve elastic switch of described control cylinder lifting touches on cam.
The present invention can by adopting air motor as power source; realize the feed of cutter by machine driven system and pneumatic system, cutter lifting moves; cutter can be protected to greatest extent; and tool pressure is adjustable, cutting material is wide, and cutting speed is adjustable; the appearance of spark can be avoided; safe and reliable, and stable performance, easy maintenance.Have the function of automatic stall (automatic reduction of speed) during air motor overload, reliability is high, and the reciprocating motion of cutter all adopts pneumatic mode with lifting, and operating efficiency is high, wide accommodation, and practical value is high.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of pneumatic hacksawing machine in the present invention.
Fig. 2 is the structure motion sketch of pneumatic hacksawing machine in the present invention.
Fig. 3 is pneumatic schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described.Should be understood that following examples only for illustration of the present invention but not for limiting the scope of the invention.
Embodiment 1
See Fig. 1 and Fig. 2, the pneumatic hacksawing machine of one provided by the invention, comprises actuating unit 1, power feed mechanism 2, cutting mechanism 3 and to be arranged on below cutting mechanism 3, for the clamp system 4 of grip material, described actuating unit 1 comprises the air motor 1b be arranged on frame 1a, described air motor 1b one end is provided with decelerator 1c, this decelerator 1c output shaft is matched with the crank 2a in power feed mechanism 2 by key, the other end of crank 2a is hinged on connecting rod I 2b, knife rest 3a in the other end of described connecting rod I 2b and cutting mechanism 3 is hinged, described knife rest 3a connects realization moving back and forth on saw blade guide rail 3c by slide block 3b, described knife rest 3a bottom is provided with cutting saw blade 3d, knife rest 3a is by the drive of air motor 1b, realize the reciprocal operation on saw blade guide rail 3c, carry out the cutting to being positioned at metal material on clamp system 4, in order to realize lifting and falling of knife rest 3a, connecting rod II 2c is provided with in the below of saw blade guide rail 3c, the two ends of this connecting rod II2c are hinged with the piston rod of saw blade guide rail 3c, cylinder 2d respectively, the elastic switch of control cylinder 2d opening and closing matches with cam 2e, described cam 2e is connected by key with decelerator 1c output shaft, carried out the indirect unlatching of control cylinder 2d by cam 2e, the stage that coupler link II 2c realizes saw blade guide rail 3c lifts whereabouts.
Embodiment 2
The present embodiment is that pneumatic control mode of the present invention illustrates:
See Fig. 3, described atmospheric control comprises source of the gas 5, described source of the gas 5 is successively by pressure-reducing valve I 6, gas source switch 7 is connected to the air motor 1b being provided with air motor speed-regulating switch 8, and on the cylinder control loop utilizing transfer valve 9 to realize switching, described cylinder control loop comprises the fast lifting valve 10 be connected with transfer valve 9, return of stroke valve 11, when transfer valve 9 tangential left position, the fast lifting performance loop be made up of fast lifting valve 10 is started working, when transfer valve 9 tangential right position, the return of stroke performance loop be made up of return of stroke valve 11 is started working, the loop that fast lifting valve 10 and cylinder 2d are formed is connected to one-way throttle valve I 12, and one-way throttle valve I 12 is connected by the cavity of resorption of cavity of resorption speed control muffler 13 with cylinder 2d, another loop is connected to one-way throttle valve II 14, and one-way throttle valve II 14 is connected by the epicoele of epicoele speed control muffler 15 with cylinder 2d.
The loop that stroke reversal valve 11 and cylinder 2d are formed is connected to one-way throttle valve III16, pressure-reducing valve II 18, and pressure-reducing valve II 18 is connected with the cavity of resorption of cylinder 2d by one-way throttle valve IV 17, cavity of resorption speed control muffler 13, controls knife rest 3a cutter lifting; Another loop is connected to one-way throttle valve V 19, pressure-reducing valve III20, and pressure-reducing valve III20 is connected with the epicoele of cylinder 2d by one-way throttle valve VI21, epicoele speed control muffler 15, controls knife rest 3a feed.
During actual use, install workpiece, a gas part for source of the gas 5 flows to air motor 1b, realizes the feed motion of knife rest 3a reciprocating linear; Another part flows to transfer valve 9, by tangential for transfer valve 9 left position, and the tangential right position of fast lifting valve 10, when making knife rest 3a drop quickly to workpiece surface, transfer valve 9 is placed in right position, and gas enters cylinder 2d upper and lower cavity respectively through return of stroke valve 11, realizes feed or the cutter lifting motion of knife rest 3a.Return of stroke valve 11 is mechanical valve, and its elastic switch contacts with cam 2e, like this knife rest 3a is reciprocating while, realizes return of stroke, thus realizes the movement locus of " fall-sawing forward-lift-back " of knife rest 3a.
When sawing is complete, transfer valve 9 is placed in left position, fast lifting valve 10 is placed in left position, and gas enters cylinder 2d cavity of resorption through choke valve, realizes knife rest 3a and rises fast.When declining fast or knife rest 3a leans on gravity deficiency to drop to workpiece surface, fast lifting valve 10 is placed in right position, and gas enters cylinder 2d epicoele through choke valve, realizes knife rest 3a and declines fast.
Return of stroke valve 11 switches and controls by mechanical system, knife rest 3a is reciprocating while, realizes return of stroke, thus realizes the movement locus of " fall-sawing forward-lift-back " of knife rest 3a.
Pneumatic hacksawing machine by air motor and cylinder with the use of, make saw bow on guide rail, realize reciprocating linear cutting movement and enter cutter lifting and move.
Claims (2)
1. the atmospheric control of a pneumatic hacksawing machine, for controlling pneumatic hacksawing machine, described pneumatic hacksawing machine comprises actuating unit, power feed mechanism, cutting mechanism and be arranged on below cutting mechanism, for the clamp system of grip material, described actuating unit comprises the air motor be arranged in frame, described air motor one end is provided with decelerator, this reducer output shaft matches with the crank in power feed mechanism, the other end of crank is hinged on connecting rod I, knife rest in the other end of described connecting rod I and cutting mechanism is hinged, described knife rest connects realization moving back and forth on saw blade guide rail by slide block, described knife rest bottom is provided with cutting saw blade, the below of described saw blade guide rail is provided with connecting rod II, the two ends of this connecting rod II respectively with saw blade guide rail, the piston rod of cylinder is hinged, the elastic switch of control cylinder opening and closing matches with cam, described cam is connected with reducer output shaft, it is characterized in that: the atmospheric control of described pneumatic hacksawing machine, comprise source of the gas, described source of the gas is successively by pressure-reducing valve I, gas source switch is connected to the air motor being provided with air motor speed-regulating switch, and on the cylinder control loop utilizing transfer valve to realize switching, described cylinder control loop comprises the fast lifting valve be connected with transfer valve, return of stroke valve, the loop that fast lifting valve and cylinder are formed is connected to one-way throttle valve I, one-way throttle valve I is connected with the cavity of resorption of cylinder by cavity of resorption speed control muffler, another loop is connected to one-way throttle valve II, and one-way throttle valve II is connected with the epicoele of cylinder by epicoele speed control muffler, the loop that stroke reversal valve and cylinder are formed is connected to one-way throttle valve III, pressure-reducing valve II, and pressure-reducing valve II is connected with the cavity of resorption of cylinder by one-way throttle valve IV, cavity of resorption speed control muffler, controls knife rest cutter lifting, another loop is connected to one-way throttle valve V, pressure-reducing valve III, and pressure-reducing valve III is connected with the epicoele of cylinder by one-way throttle valve VI, epicoele speed control muffler, controls knife rest feed.
2. to go the atmospheric control of a kind of pneumatic hacksawing machine described in 1 according to right, it is characterized in that: the return of stroke valve elastic switch of described control cylinder lifting touches on cam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210508521.9A CN103028779B (en) | 2012-11-19 | 2012-11-19 | Pneumatic hacksawing machine and pneumatic control system of pneumatic hacksawing machine |
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| CN201210508521.9A CN103028779B (en) | 2012-11-19 | 2012-11-19 | Pneumatic hacksawing machine and pneumatic control system of pneumatic hacksawing machine |
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| CN103028779B true CN103028779B (en) | 2015-04-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106001757B (en) * | 2016-06-23 | 2019-01-08 | 浙江龙力机械有限公司 | High-velocity wire cuts circular sawing machine |
| CN106001746A (en) * | 2016-06-23 | 2016-10-12 | 浙江龙力机械有限公司 | Cutting mechanism for metal cutting-off circular sawing machine |
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| DE1502732C3 (en) * | 1963-08-08 | 1972-05-10 | Djurberg, Hans Evert Alrik, Solna (Schweden) | SAW MACHINE DRIVE |
| CN2111158U (en) * | 1991-10-10 | 1992-07-29 | 孙德荪 | Hacksaw machine |
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| CN102275013A (en) * | 2011-08-15 | 2011-12-14 | 成都飞机工业（集团）有限责任公司 | Pneumatic reciprocating saw |
| CN203003263U (en) * | 2012-11-19 | 2013-06-19 | 安徽理工大学 | Pneumatic bow saw machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59224214A (en) * | 1983-05-30 | 1984-12-17 | Yamamoto Tekkosho:Kk | Automatic supporting device for saw |
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2012
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| DE623687C (en) * | ||||
| GB300838A (en) * | 1928-02-13 | 1928-11-22 | Ernst Gornig | Liquid pressure-regulator for the reciprocating saw-bow of sawing machines |
| DE1502732C3 (en) * | 1963-08-08 | 1972-05-10 | Djurberg, Hans Evert Alrik, Solna (Schweden) | SAW MACHINE DRIVE |
| CN2111158U (en) * | 1991-10-10 | 1992-07-29 | 孙德荪 | Hacksaw machine |
| CN2222025Y (en) * | 1995-01-14 | 1996-03-13 | 庞德明 | Small portable moving type bow saw machine |
| CN101733474A (en) * | 2009-12-08 | 2010-06-16 | 天津悦华工贸有限公司 | Special saw machine for elastic groove of intelligent ring cutting valve plate |
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Effective date of registration: 20191105 Address after: Room 301-15, building 1, No.111, Guigu Er Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiashan chuangyue Intellectual Property Service Co.,Ltd. Address before: 232001 Anhui Province, Huainan city Shungeng Road No. 168 Patentee before: Anhui University Of Science And Technology |
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Application publication date: 20130410 Assignee: ZHEJIANG YILI ROBOT TECHNOLOGY Co.,Ltd. Assignor: Jiashan chuangyue Intellectual Property Service Co.,Ltd. Contract record no.: X2021330000042 Denomination of invention: A pneumatic control system of pneumatic hacksaw machine Granted publication date: 20150415 License type: Common License Record date: 20210520 |
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Effective date of registration: 20230925 Address after: Room 401-89, Building 1, No. 111 Guigu Second Road, Luoxing Street, Jiashan County, Jiaxing City, Zhejiang Province, 314100 (Residence application) Patentee after: Jiashan Luoxing Venture Capital Co.,Ltd. Address before: Room 301-15, building 1, No. 111, Guigu 2nd Road, Luoxing street, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: Jiashan chuangyue Intellectual Property Service Co.,Ltd. |