CN102151899A - Intelligent sawing band sawing machine - Google Patents
Intelligent sawing band sawing machine Download PDFInfo
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- CN102151899A CN102151899A CN2010105621274A CN201010562127A CN102151899A CN 102151899 A CN102151899 A CN 102151899A CN 2010105621274 A CN2010105621274 A CN 2010105621274A CN 201010562127 A CN201010562127 A CN 201010562127A CN 102151899 A CN102151899 A CN 102151899A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to an intelligent sawing band sawing machine. On the basis of the variable-frequency driver of a saw disc, a driving torque detecting device, a saw blade tension detecting device and an electro-hydraulic servo feeding device are added to a common numerical control band sawing machine, wherein the driving torque detecting device consists of an output current interface of the variable-frequency driver of the saw disc and an AD (analog-digital) conversion unit; the saw blade tension detecting device consists of a pressure sensor of a saw blade tension hydraulic cylinder and an AD conversion unit; and the electro-hydraulic servo feeding device consists of a displacement sensor of the saw frame feeding hydraulic cylinder, a whole machine controller, a three-position four-way electro-hydraulic proportional valve and a driving amplification circuit board. Therefore, the sawing power born by a band saw blade in the whole sawing process is constant, and the sawing efficiency of the sewing machine and the service life of the band saw blade are improved.
Description
Technical field
The present invention relates to a kind of band saw machine, particularly a kind of intelligent sawing band sawing machine.
Background technology
The tradition band sawing machine generally comprises lathe bed, be installed in saw frame, saw blade, saw disc, saw frame feeding hydrocylinder, saw blade strainer, main drive, hydraulic system and electric control system etc. on the lathe bed, the saw frame feeding hydrocylinder connects saw frame, and drive its feeding sawing, the saw blade strainer is connected with saw disc by the saw blade hydraulic tensioning cylinder, to regulate the saw blade degree of tightness.During band sawing machine work, the displacement that its saw disc rotating speed, saw blade hydraulic tensioning cylinder tensioning pressure and saw frame feeding hydrocylinder drive saw frame is to influence sawing process and the most important three elements of effect.And before traditional band sawing machine work, the active force of its saw blade tensioning state, saw frame feeding hydrocylinder and the linear velocity of sawing all be adjust in advance definite, and can not in sawing process, adjust automatically, the sawing power that makes bands for band bear in whole sawing process alters a great deal, and therefore the cutting-rate of lathe and the service life of bands for band are had a strong impact on.
Summary of the invention
The problem to be solved in the present invention is that the sawing power that the bands for band of above-mentioned traditional band sawing machine bears changes greatly in whole sawing process, cutting-rate and blade life are low, thereby a kind of intelligent sawing band sawing machine is provided, makes it improve cutting-rate and bands for band service life.
Technical scheme of the present invention is: a kind of intelligent sawing band sawing machine, comprise lathe bed, be installed in saw frame, saw frame feeding hydrocylinder, saw blade, main driving motor, active saw disc, driven saw disc, saw blade hydraulic tensioning cylinder, saw disc variable frequency drives and complete machine controller on the lathe bed, the complete machine controller comprises central processor CPU, modulus AD converting unit and digital-to-analogue DA converting unit, the saw frame feeding hydrocylinder connects saw frame, and the saw blade hydraulic tensioning cylinder connects driven saw disc; It is characterized in that:
Described lathe bed is provided with the driving torque checkout gear, and its output current interface and modulus AD converting unit by the saw disc variable frequency drives constitutes; Saw blade tensile force checkout gear, it is made of saw blade hydraulic tensioning cylinder pressure sensor and modulus AD converting unit; The electro-hydraulic servo feed arrangement, it is made of saw frame feeding hydrocylinder displacement transducer, complete machine controller, 3-position 4-way electro-hydraulic proportional valve and driving magnification circuit plate; Described saw frame feeding hydrocylinder displacement transducer connects modulus AD converting unit; 3-position 4-way electro-hydraulic proportional valve hydraulic circuit connects the saw frame feeding hydrocylinder, and digital-to-analogue DA converting unit connects control 3-position 4-way electro-hydraulic proportional valve by driving magnification circuit plate; Saw blade hydraulic tensioning cylinder pressure sensor connects modulus AD converting unit; The torque feedback signal output of saw disc variable frequency drives connects modulus AD converting unit, and the control signal input connects digital-to-analogue DA converting unit.
The present invention is based on existing saw disc frequency conversion drive, driving torque checkout gear, saw blade tensile force checkout gear and electro-hydraulic servo feed arrangement have been set up, make the sawing power invariability that bands for band bears in whole sawing process, thus the service life of having improved lathe cutting-rate and bands for band.
Description of drawings
Fig. 1 is the sawing structural principle schematic diagram of the embodiment of the invention.
The specific embodiment
The accompanying drawing marking explanation: 1-saw disc variable frequency drives, 2-main driving motor, 3-initiatively saw disc, 4-saw frame, 5-column, 6-saw blade, 7-saw blade hydraulic tensioning cylinder pressure sensor, 8-saw blade hydraulic tensioning cylinder, the driven saw disc of 9-, 10-lathe bed, 11-complete machine controller, 12-drive magnification circuit plate, 13-3-position 4-way electro-hydraulic proportional valve, 14-saw frame feeding hydrocylinder displacement transducer, 15-saw frame feeding hydrocylinder, 16-workpiece.
As shown in Figure 1, a kind of intelligent sawing band sawing machine, comprise lathe bed 10, be installed in cantilevered saw frame 4, lift saw frame feeding hydrocylinder 15, saw blade 6, main driving motor 2, active saw disc 3, driven saw disc 9, saw blade hydraulic tensioning cylinder 8, saw disc variable frequency drives 1, complete machine controller 11 on the lathe bed 10, described complete machine controller 11 comprises central processor CPU, modulus AD converting unit and digital-to-analogue DA converting unit, saw frame feeding hydrocylinder 15 connects and drives saw frame 4 feedings, and saw blade hydraulic tensioning cylinder 8 connects and regulates driven saw disc 9;
Described lathe bed is provided with the driving torque checkout gear, and its output current interface and modulus AD converting unit by saw disc variable frequency drives 1 constitutes; Saw blade tensile force checkout gear, it is made of saw blade hydraulic tensioning cylinder pressure sensor 7 and modulus AD converting unit; The electro-hydraulic servo feed arrangement, it is made of saw frame feeding hydrocylinder displacement transducer 14, complete machine controller 11,3-position 4-way electro-hydraulic proportional valve 13 and driving magnification circuit plate 12;
Described saw frame feeding hydrocylinder displacement transducer 14 connects modulus AD converting unit, and its output hydraulic cylinder Displacement Feedback signal is to AD; 3-position 4-way electro-hydraulic proportional valve 13 hydraulic circuits connect saw frame feeding hydrocylinder 15, and digital-to-analogue DA converting unit drives the work of 3-position 4-way electro-hydraulic proportional valve by driving magnification circuit plate 12; Saw blade hydraulic tensioning cylinder pressure sensor 7 connects modulus AD converting unit, and its output sawing force feeds back signal to AD; The torque feedback signal output a of saw disc variable frequency drives 1 connects modulus AD converting unit, and control signal input b connects digital-to-analogue DA converting unit.Described saw frame feeding hydrocylinder displacement transducer 14 is built-in Linear displacement transducer.
Among the present invention, described saw disc variable frequency drives 1 adopts the high-performance vector frequency converter, and it drives saw disc and realizes saw disc stepless speed regulation, and the accurate adjusting of saw disc rotating speed.The saw disc driving torque checkout gear of setting up, its operation principle are that the output torque according to main driving motor is directly proportional with drive current, realize the detection of saw disc moment of torsion by detecting saw disc variable frequency drives output current.The main driving motor 2 initiatively saw disc 3 that is in transmission connection.Like this, detected frequency converter output current equivalence is become the driving torque of saw disc, reflect that the sawing driving torque in the sawing process changes, and this saw disc torque signal is fed back to the CPU of complete machine controller through AD conversion, the complete machine controller just can change frequency converter is carried out the dynamic parameter adjustment according to the sawing driving torque, realizing the control of sawing linear velocity, thereby reach the intelligent SAWING CONTROL demand of balance sawing load.
The tensile force checkout gear of the bands for band of setting up is contactless indirect-type detection mode.Its operation principle is: the suffered sawing load of saw blade sawing process is directly proportional with the saw blade tensile force, and the tensile force of saw blade is directly proportional with the pressure of saw blade hydraulic tensioning cylinder.When saw blade was finished tensioning and do not had sawing, the pressure feedback of hydraulic tensioning cylinder was a constant value; When saw blade began sawing, owing to be subjected to the influence of sawing linear velocity and feed speed, saw blade will produce dynamic tension to be changed, and the pressure feedback of saw blade hydraulic tensioning cylinder also will change, and when promptly sawing force increased, the degree of saw blade tensioning strengthened; When sawing force reduced, the degree of saw blade tensioning weakened.Like this, the pressure sensor that utilization is installed in saw blade hydraulic tensioning cylinder interface comes perception saw blade tensioning pressure, be subjected to the variation of sawing load with the reflection saw blade, the complete machine controller is realized the Based Intelligent Control demand of balance sawing load by control saw disc variable frequency drives and electro-hydraulic servo drive device.
The electro-hydraulic servo drive device operation principle of setting up is: the complete machine controller at first according to the Displacement Feedback (being realized by hydraulic cylinder displacement transducer and AD converting unit) of lifting hydraulic cylinder, goes out the command speed of sawing feeding by the change calculations of sawing load (being provided by sawing moment of torsion and tensile force checkout gear); Then, command speed by output instruction signal through the DA device with after driving magnification circuit plate and amplifying, the spool position of control 3-position 4-way electro-hydraulic proportional valve drives sawing feeding lifting hydraulic cylinder, realizing the control of concrete sawing feed speed, thereby reach the intelligent SAWING CONTROL demand of balance sawing load.
In the present invention, come to determine the mapping relations of saw blade tensioning pressure and sawing force in the sawing workpieces materials process in advance by experiment, and these mapping relations are made into the data tableau format store in the complete machine controller CPU.In the sawing process, pressure sensor detects saw blade hydraulic tensioning cylinder pressure, and inquire about the mapping relations table of saw blade tensioning pressure and sawing force in real time, saw blade tensioning pressure signal is converted into the sawing force signal, this sawing force signal feeds back to SERVO CONTROL among the CPU through modulus AD converting unit, comes dynamically to adjust in real time the tensioning pressure of tensioning hydro-cylinder according to sawing process with this.
The complete machine controller CPU comes saw disc rotating speed, hydraulic tensioning cylinder tensioning pressure, these three key elements of hoist cylinder displacement are regulated accurately according to optimum adaptive stabilizing algorithm, make the sawing power invariability that bands for band bears in whole sawing process, thereby improve the service life of band sawing machine cutting-rate and bands for band.
What should be understood that is: the foregoing description is just to explanation of the present invention, and vertical band sawing machine class is suitable equally, and any innovation and creation that do not exceed in the connotation scope of the present invention all fall within protection scope of the present invention.
Claims (1)
1. intelligent sawing band sawing machine, comprise lathe bed (10), be installed in saw frame (4), saw frame feeding hydrocylinder (15), saw blade (6), main driving motor (2), active saw disc (3), driven saw disc (9), saw blade hydraulic tensioning cylinder (8), saw disc variable frequency drives (1), complete machine controller (11) on the lathe bed (10), complete machine controller (11) comprises central processor CPU, modulus AD converting unit and digital-to-analogue DA converting unit, saw frame feeding hydrocylinder (15) connects saw frame (4), and saw blade hydraulic tensioning cylinder (8) connects driven saw disc; It is characterized in that:
Described lathe bed (10) is provided with the driving torque checkout gear, and its output current interface and modulus AD converting unit by saw disc variable frequency drives (1) constitutes; Saw blade tensile force checkout gear, it is made of saw blade hydraulic tensioning cylinder pressure sensor (7) and modulus AD converting unit; The electro-hydraulic servo feed arrangement, it is by saw frame feeding hydrocylinder displacement transducer (14), complete machine controller (11), 3-position 4-way electro-hydraulic proportional valve (13) and drive magnification circuit plate (12) formation; Described saw frame feeding hydrocylinder displacement transducer (14) connects modulus AD converting unit; 3-position 4-way electro-hydraulic proportional valve (13) hydraulic circuit connects saw frame feeding hydrocylinder (15), and digital-to-analogue DA converting unit connects control 3-position 4-way electro-hydraulic proportional valve (13) by driving magnification circuit plate (12); Saw blade hydraulic tensioning cylinder pressure sensor (7) connects modulus AD converting unit; The torque feedback signal output a of saw disc variable frequency drives (1) connects modulus AD converting unit, and control signal input b connects digital-to-analogue DA converting unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010562127A CN102151899B (en) | 2010-11-25 | 2010-11-25 | Intelligent sawing band sawing machine |
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| CN201010562127A CN102151899B (en) | 2010-11-25 | 2010-11-25 | Intelligent sawing band sawing machine |
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| CN102151899A true CN102151899A (en) | 2011-08-17 |
| CN102151899B CN102151899B (en) | 2012-09-12 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672271A (en) * | 2012-05-17 | 2012-09-19 | 杭州飘哲电子科技有限公司 | Saw frame feeding system with constant saw cutting force and variable feeding speed and saw frame feeding method |
| CN104227500A (en) * | 2013-06-06 | 2014-12-24 | 科伊罗财产有限及两合公司电子数据处理-服务两合公司 | Sawing machine and method for controlling a sawing machine |
| CN104608009A (en) * | 2015-01-03 | 2015-05-13 | 浙江工业大学 | Band sawing machine test system |
| US20150321274A1 (en) * | 2014-05-07 | 2015-11-12 | Keuro Besitz Gmbh & Co. Edv-Dienstleistungs Kg | Sawing machine and method for controlling a sawing machine |
| CN109396550A (en) * | 2018-11-26 | 2019-03-01 | 丽水学院 | Adaptive controllable type vibration metal cutting apparatus and method based on ultra-magnetic telescopic |
| CN109591200A (en) * | 2018-11-09 | 2019-04-09 | 宜昌迪森智能科技有限公司 | Stabilization rope saw and the method for preventing diamond-wire from shaking using rope saw |
| CN113059234A (en) * | 2021-03-29 | 2021-07-02 | 江苏奕骏重工机械制造有限公司 | Band sawing machine with saw blade self-cleaning function |
| CN113857570A (en) * | 2021-10-28 | 2021-12-31 | 浙江晨龙锯床股份有限公司 | Position self-adjusting pulse structure, calibration method and band sawing machine |
| CN114789361A (en) * | 2022-05-12 | 2022-07-26 | 北京摩森纳切割技术装备有限公司 | Intelligent sawing system of high-speed sawing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3106255A1 (en) * | 2015-06-18 | 2016-12-21 | Haas Food Equipment GmbH | Device for detecting the breakage of a cutting element |
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| CN201913316U (en) * | 2010-11-25 | 2011-08-03 | 浙江伟业锯床有限公司 | Intelligent band sawing machine |
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| US20030097917A1 (en) * | 2000-05-10 | 2003-05-29 | Tapio Virvalo | Method and arrangement for adjusting feed rate of a crosscut saw |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672271B (en) * | 2012-05-17 | 2013-10-09 | 杭州飘哲电子科技有限公司 | Saw frame feeding system with constant saw cutting force and variable feeding speed and saw frame feeding method |
| CN102672271A (en) * | 2012-05-17 | 2012-09-19 | 杭州飘哲电子科技有限公司 | Saw frame feeding system with constant saw cutting force and variable feeding speed and saw frame feeding method |
| CN104227500A (en) * | 2013-06-06 | 2014-12-24 | 科伊罗财产有限及两合公司电子数据处理-服务两合公司 | Sawing machine and method for controlling a sawing machine |
| US11007587B2 (en) | 2013-06-06 | 2021-05-18 | KEURO Besitz GmbH & Co. EDV-Dienstleistimgs KG | Sawing machine and method for controlling a sawing machine |
| CN104227500B (en) * | 2013-06-06 | 2020-11-24 | 科伊罗财产有限及两合公司电子数据处理-服务两合公司 | Sawing machine and method for controlling sawing machine |
| US10596645B2 (en) * | 2014-05-07 | 2020-03-24 | Keuro Besitz Gmbh & Co. Edv-Dienstleistungs Kg | Sawing machine and method for controlling a sawing machine |
| US20150321274A1 (en) * | 2014-05-07 | 2015-11-12 | Keuro Besitz Gmbh & Co. Edv-Dienstleistungs Kg | Sawing machine and method for controlling a sawing machine |
| CN104608009A (en) * | 2015-01-03 | 2015-05-13 | 浙江工业大学 | Band sawing machine test system |
| CN109591200A (en) * | 2018-11-09 | 2019-04-09 | 宜昌迪森智能科技有限公司 | Stabilization rope saw and the method for preventing diamond-wire from shaking using rope saw |
| CN109396550A (en) * | 2018-11-26 | 2019-03-01 | 丽水学院 | Adaptive controllable type vibration metal cutting apparatus and method based on ultra-magnetic telescopic |
| CN109396550B (en) * | 2018-11-26 | 2024-03-19 | 丽水学院 | Self-adaptive controllable vibration metal cutting device and method based on giant magnetostriction |
| CN113059234A (en) * | 2021-03-29 | 2021-07-02 | 江苏奕骏重工机械制造有限公司 | Band sawing machine with saw blade self-cleaning function |
| CN113857570A (en) * | 2021-10-28 | 2021-12-31 | 浙江晨龙锯床股份有限公司 | Position self-adjusting pulse structure, calibration method and band sawing machine |
| CN114789361A (en) * | 2022-05-12 | 2022-07-26 | 北京摩森纳切割技术装备有限公司 | Intelligent sawing system of high-speed sawing machine |
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| CN102151899B (en) | 2012-09-12 |
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