CN103028779A - 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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- CN103028779A CN103028779A CN2012105085219A CN201210508521A CN103028779A CN 103028779 A CN103028779 A CN 103028779A CN 2012105085219 A CN2012105085219 A CN 2012105085219A CN 201210508521 A CN201210508521 A CN 201210508521A CN 103028779 A CN103028779 A CN 103028779A
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Abstract
The invention discloses a pneumatic hacksawing machine, which 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 the metalworking machinery technical field, be specifically related to a kind of pneumatic hacksawing machine and atmospheric control thereof for the 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 of paying attention to the most during mining industry is produced.It is reported that the metal materials such as scraper conveyer chain in existing as colliery crackle occurs easily owing to be subject to the high load capacity carrying, need in use to change as early as possible, mainly at present adopt artificial saw to move metal material, waste time and energy.
From domestic related documents, retrieve following several power saw.1. Handheld type light Pneumatic saw: this saw is simple in structure, easy to operate, but rotating speed is too fast, vibrates greatlyr, and machining accuracy is poor, can increase simultaneously workman's labour intensity.2. Pneumatic chain strap saw; This saw operation is very convenient, but the cutting object of this chain saw is mainly wood, and metal material can't cut.3. Pneumatic disc saw: the sharpest edges of this saw are exactly that speed is very fast, easily cutting, but simultaneously because the rotating speed of impeller is very fast, easily produce spark, poor stability.4. mining hydraulic chain saw: the power of this saw is large, but its adopts hydraulic oil to do medium, but part processing precision is required high, easily leaks, and 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 simple to operate, high efficiency, performance safety pneumatic hacksawing machine and atmospheric control thereof reliable, applied widely are provided.
A kind of pneumatic hacksawing machine comprises actuating unit, power feed mechanism, cutting mechanism and is arranged on the cutting mechanism below, is used for clamping the clamp mechanism of metal material; Described actuating unit comprises the air motor that is arranged on the frame, described air motor one end is provided with decelerator, this reducer output shaft matches with crank in the power feed mechanism, the other end of crank is hinged on the connecting rod I, the other end of described connecting rod I and the knife rest in the cutting mechanism are hinged, described knife rest is implemented in moving back and forth on the saw blade guide rail by the slide block connection, and described knife rest bottom is equipped with cutting saw blade; The below of described saw blade guide rail is provided with connecting rod II, and the two ends of this connecting rod II are hinged with the piston rod of saw blade guide rail, cylinder respectively, and the elastic switch that control cylinder opens and closes matches with cam, and described cam is connected with reducer output shaft.
A kind of atmospheric control of pneumatic hacksawing machine, comprise source of the gas, described source of the gas is connected to the air motor that is provided with the air motor speed-regulating switch by pressure-reducing valve I, gas source switch successively and utilizes transfer valve to realize that described cylinder control loop comprises fast lifting valve, the return of stroke valve that is connected with transfer valve on the cylinder control loop of switching; A loop in fast lifting valve and cylinder formation is connected to one-way throttle valve I, one-way throttle valve I joins by the cavity of resorption of cavity of resorption speed control muffler and cylinder, be connected to one-way throttle valve II in another loop, one-way throttle valve II joins by the epicoele of epicoele speed control muffler and cylinder; A loop in stroke reversal valve and cylinder formation is connected to one-way throttle valve III, pressure-reducing valve II, and pressure-reducing valve II joins by the cavity of resorption of one-way throttle valve IV, cavity of resorption speed control muffler and cylinder, control knife rest cutter lifting; Be connected to one-way throttle valve V, pressure-reducing valve III in another loop, pressure-reducing valve III joins by the epicoele of one-way throttle valve VI, epicoele speed control muffler and cylinder, the feed of control knife rest.
The present invention can be by adopting air motor as power source; realize feed, the cutter lifting motion of cutter by machine driven system and pneumatic system; can protect to greatest extent cutter; and tool pressure is adjustable, and cutting material is wide, and cutting speed is adjustable; can avoid the appearance of spark; safe and reliable, and stable performance, use and maintenance is convenient.Have the function of automatic stall (automatically reduction of speed) during the air motor overload, reliability is high, and pneumatic mode is all adopted in the reciprocating motion of cutter and lifting, high efficiency, and wide accommodation, practical value is high.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is structure motion sketch of the present invention.
Fig. 3 is pneumatic schematic diagram of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described.Should be understood that following examples are only for explanation the present invention but not for limiting the scope of the invention.
Embodiment 1
Referring to Fig. 1 and Fig. 2, a kind of pneumatic hacksawing machine provided by the invention comprises actuating unit 1, power feed mechanism 2, cutting mechanism 3 and is arranged on cutting mechanism 3 belows, be used for clamps the clamp mechanism 4 of metal material; Described actuating unit 1 comprises the air motor 1b that is arranged on the frame 1a, described air motor 1b one end is provided with decelerator 1c, this decelerator 1c output shaft matches with crank 2a in the power feed mechanism 2 by key, the other end of crank 2a is hinged on the connecting rod I 2b, the other end of described connecting rod I 2b and the knife rest 3a in the cutting mechanism 3 are hinged, described knife rest 3a is implemented in moving back and forth on the saw blade guide rail 3c by slide block 3b connection, described knife rest 3a bottom is equipped with cutting saw blade 3d, knife rest 3a is by the drive of air motor 1b, be implemented in the reciprocal operation on the saw blade guide rail 3c, carry out being positioned at the cutting of metal material on the clamp mechanism 4; In order to realize lifting and falling of knife rest 3a, below saw blade guide rail 3c, be provided with connecting rod II 2c, 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 that control cylinder 2d opens and closes matches with cam 2e, described cam 2e is connected by key with decelerator 1c output shaft, come the indirect unlatching of control cylinder 2d by cam 2e, coupler link II2c realizes that the stage of saw blade guide rail 3c lifts the whereabouts.
Embodiment 2
Present embodiment is that pneumatic control mode of the present invention illustrates:
Referring to Fig. 3, described atmospheric control comprises source of the gas 5, described source of the gas 5 is successively by pressure-reducing valve I6, gas source switch 7 is connected to the air motor 1b that is provided with air motor speed-regulating switch 8, and utilize transfer valve 9 to realize on the cylinder control loop of switching, described cylinder control loop comprises the fast lifting valve 10 that is connected with transfer valve 9, return of stroke valve 11, when transfer valve 9 tangential left position, started working by the fast lifting work loop that fast lifting valve 10 consists of, when transfer valve 9 tangential right position, started working by the return of stroke work loop that return of stroke valve 11 consists of; Be connected to one-way throttle valve I 12 in fast lifting valve 10 and the loop that cylinder 2d consists of, one-way throttle valve I 12 joins by the cavity of resorption of cavity of resorption speed control muffler 13 with cylinder 2d; Be connected to one-way throttle valve II 14 in another loop, one-way throttle valve II 14 joins by the epicoele of epicoele speed control muffler 15 with cylinder 2d.
Be connected to one-way throttle valve III16, pressure-reducing valve II 18 in stroke reversal valve 11 and the loop that cylinder 2d consists of, pressure-reducing valve II 18 joins with the cavity of resorption of cylinder 2d by one-way throttle valve IV 17, cavity of resorption speed control muffler 13, control knife rest 3a cutter lifting; Be connected to one-way throttle valve V 19, pressure-reducing valve III20 in another loop, pressure-reducing valve III20 joins with the epicoele of cylinder 2d by one-way throttle valve VI21, epicoele speed control muffler 15, control knife rest 3a feed.
During actual the use, install workpiece, the gas part of 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, with transfer valve 9 tangential left positions, and fast lifting valve 10 tangential right positions, when making knife rest 3a fast-descending to workpiece surface, transfer valve 9 is placed right position, and gas enters respectively cylinder 2d upper and lower cavity 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 in the reciprocating while of knife rest 3a, realizes return of stroke, thereby realizes the movement locus of knife rest 3a " fall-forward sawing-lift-back ".
Complete when sawing, transfer valve 9 is placed left position, fast lifting valve 10 places left position, and gas enters cylinder 2d cavity of resorption through choke valve, realizes knife rest 3a fast rise.When want fast-descending or knife rest 3a by gravity deficiency when dropping to workpiece surface, fast lifting valve 10 is placed right position, gas enters cylinder 2d epicoele through choke valve, realizes knife rest 3a fast-descending.
Return of stroke valve 11 switches and controlled by mechanical system, in the reciprocating while of knife rest 3a, realizes return of stroke, thereby realizes the movement locus of knife rest 3a " fall-forward sawing-lift-back ".
Pneumatic hacksawing machine is used by air motor and cylinder, makes saw bow realize the reciprocating linear cutting movement and advance the cutter lifting motion at guide rail.
Claims (2)
1. pneumatic hacksawing machine, comprise actuating unit, power feed mechanism, cutting mechanism and be arranged on cutting mechanism below, be used for clamping the clamp mechanism of metal material, it is characterized in that: described actuating unit comprises the air motor that is arranged on the frame, described air motor one end is provided with decelerator, this reducer output shaft matches with crank in the power feed mechanism, the other end of crank is hinged on the connecting rod I, the other end of described connecting rod I and the knife rest in the cutting mechanism are hinged, described knife rest is implemented in moving back and forth on the saw blade guide rail by the slide block connection, and described knife rest bottom is equipped with cutting saw blade; The below of described saw blade guide rail is provided with connecting rod II, and the two ends of this connecting rod II are hinged with the piston rod of saw blade guide rail, cylinder respectively, and the elastic switch that control cylinder opens and closes matches with cam, and described cam is connected with reducer output shaft.
2. the atmospheric control of a pneumatic hacksawing machine, it is characterized in that: comprise source of the gas, described source of the gas is connected to the air motor that is provided with the air motor speed-regulating switch by pressure-reducing valve I, gas source switch successively and utilizes transfer valve to realize that described cylinder control loop comprises fast lifting valve, the return of stroke valve that is connected with transfer valve on the cylinder control loop of switching; A loop in fast lifting valve and cylinder formation is connected to one-way throttle valve I, one-way throttle valve I joins by the cavity of resorption of cavity of resorption speed control muffler and cylinder, be connected to one-way throttle valve II in another loop, one-way throttle valve II joins by the epicoele of epicoele speed control muffler and cylinder; A loop in stroke reversal valve and cylinder formation is connected to one-way throttle valve III, pressure-reducing valve II, and pressure-reducing valve II joins by the cavity of resorption of one-way throttle valve IV, cavity of resorption speed control muffler and cylinder, control knife rest cutter lifting; Be connected to one-way throttle valve V, pressure-reducing valve III in another loop, pressure-reducing valve III joins by the epicoele of one-way throttle valve VI, epicoele speed control muffler and cylinder, the feed of control knife rest.
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| Application Number | Priority Date | Filing Date | Title |
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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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| 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 CN103028779B (en) | 2015-04-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001757A (en) * | 2016-06-23 | 2016-10-12 | 浙江龙力机械有限公司 | High-speed metal cutting circular saw |
| 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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| 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 |
| JPS59224214A (en) * | 1983-05-30 | 1984-12-17 | Yamamoto Tekkosho:Kk | Automatic supporting device for saw |
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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 |
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2012
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| 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 |
| JPS59224214A (en) * | 1983-05-30 | 1984-12-17 | Yamamoto Tekkosho:Kk | Automatic supporting device for saw |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001757A (en) * | 2016-06-23 | 2016-10-12 | 浙江龙力机械有限公司 | High-speed metal cutting circular saw |
| 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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| CN103028779B (en) | 2015-04-15 |
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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. |
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