CN202555905U - Automatic rectifying device for metal band saw blade - Google Patents
Automatic rectifying device for metal band saw blade Download PDFInfo
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- CN202555905U CN202555905U CN2012201631426U CN201220163142U CN202555905U CN 202555905 U CN202555905 U CN 202555905U CN 2012201631426 U CN2012201631426 U CN 2012201631426U CN 201220163142 U CN201220163142 U CN 201220163142U CN 202555905 U CN202555905 U CN 202555905U
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Abstract
The utility model relates to an automatic rectifying device for a metal band saw blade. The automatic rectifying device for the metal band saw blade comprises two sets of electric eddy-current transducers, two sets of rectifying hydraulic cylinders, a tensioning hydraulic cylinder, a hydraulic control oil way, an automatic rectifying servo control device and a guide mechanism. The automatic rectifying servo control device is used to calculate deviations of the band saw blade through signals collected by the electric eddy-current transducers, the hydraulic control oil way is used to control displacements of the rectifying hydraulic cylinders and the tensioning hydraulic cylinder so that the guide mechanism is driven to move to rectify the deviations of the band saw blade. By aid of the automatic rectifying device for the metal band saw blade, dynamic relative displacement changes of a saw blade and a probe surface can be measured with no contact, high degree of linearity and high resolution, and detected displacement changes can be turned into real-time and continuous digital signals; compensation can be achieved by means of automatic adjustment of a guide arm of a saw band through a controller and an electric and hydraulic servo mechanism; the saw blade is enabled to return to a normal cutting track to some extent; and scrapping of workpieces can be prevented effectively and service life of the saw blade can be prolonged greatly.
Description
Technical field
The saw blade run that the utility model relates in a kind of band saw machine detects and automatic deviation rectifying device, particularly relates to a kind of Servo Drive type saw blade automatic deviation rectifying device.
Background technology
Band saw machine has been widely used in occasions such as sawing ferrous metal, non-ferrous metal and nonmetallic materials.In actual production process, after metallic decoration wire may wear to a certain degree, its Cutting trajectory can depart from.Because the saw blade Cutting trajectory departs from, not only can aggravate the saw blade wearing and tearing, more make processing work scrap.So, need a kind of automatic deviation rectifying device, saw blade is got back on the normal Cutting trajectory, effectively reduce the saw blade cutting and depart from the loss that causes.
Existing automatic deviation rectifying device generally is applied in conveyer belt ' sideslip ' problem.Like the patent No. is 200710037579.9 (Granted publication CN101244777A; August 20 2008 Granted publication day) a kind of device that can carry out automatic deviation correction according to the offset signals of belt deflection amount is disclosed; Its characteristics are and can carry out detection by quantitative to the running deviation value of conveyer belt; And the running deviation value size that detects changed into the offset signals of real-time continuous; Automatically regulate conveyer belt through the control of controller and get back to normal operating position, and conveyer need not to shut down, improved operating efficiency and reliability.The patent No. is to disclose a kind of automatic deviation rectifying device that is used for conveyer belt 20111025845.2 (Granted publication CN102092560A, June 15 2011 Granted publication day); Power of self and gravity overwhelmed the deviation-adjusting carrier roller case laterally when its characteristics were to utilize belt deviation, in the deviation-adjusting carrier roller outward inclining, and the carrying roller group lifting belt that will make progress; The belt of sideslip part is closely contacted with deviation-adjusting carrier roller; Utilize carrying roller to lean forward, the linear inconsistent characteristic of moving is sent belt into normal run location; Correction effectively, can excessively not rectified a deviation rapidly.But also be not directed against up to now, the automatic deviation rectifying device of the related related content of band saw machine.
Summary of the invention
The purpose of the utility model is to provide a kind of device that can carry out the automatic deviation correction compensation according to sawing section saw blade run amount size; Being a kind of mechanism with saw blade run amount measuring ability and Servo Drive correction compensate function, is a kind of automatic saw blade correction control device with real-time detection, PID computing and control output in real time.
The utility model solves the technical scheme that its technical problem adopted:
A kind of band saw machine saw blade Servo Drive automatic deviation rectifying device comprises current vortex sensor, correction hydraulic cylinder, hydraulic tensioning cylinder, hydraulic control oil circuit, automatic deviation correction Servocontrol device; Guiding mechanism, wherein current vortex sensor, correction hydraulic cylinder respectively have two covers.
The automatic deviation correction Servocontrol device goes out the bands for band deviation through the calculated signals of current vortex sensor collection, thereby moves the deviation of correcting bands for band through the displacement drive guiding mechanism of hydraulic control oil circuit control correction hydraulic cylinder, hydraulic tensioning cylinder.
Described two cover current vortex sensors are measured the bias of workpiece both sides saw blade saw track respectively.Two cover current vortex sensors are arranged at by the feeding column of band sawing machine, and current vortex sensor is over against the saw blade setting.The signal output part of current vortex sensor is connected with A/D sampling module in the automatic deviation correction Servocontrol device control circuit.
Described two cover correction hydraulic cylinders are arranged at respectively on the guiding mechanism of band saw machine.The active segment of hydraulic cylinder one end and guiding mechanism is hinged, and the canned paragraph of the other end and guiding mechanism is hinged through support, makes hydraulic cylinder, guiding mechanism and support be triangularly arranged.The oil-in of hydraulic cylinder is connected with electromagnetic proportional valve A1 mouth in the hydraulic control oil circuit, and the oil-out of hydraulic cylinder is connected with electromagnetic proportional valve B1 mouth in the hydraulic control oil circuit.
Said hydraulic tensioning cylinder be band sawing machine from belting, the oil-in of hydraulic cylinder is connected with electromagnetic direction valve A1 mouth in the hydraulic control oil circuit, the oil-out of hydraulic cylinder is connected with electromagnetic direction valve B1 mouth in the hydraulic control oil circuit.
Described guiding mechanism also has two covers, is made up of canned paragraph and active segment, and canned paragraph is connected with the support of band saw machine, and the end of active segment has gathering sill, and bands for band can be along the gathering sill translation.Canned paragraph is connected through linkage with active segment, makes the guiding mechanism active segment to swing around pin joint.
Described hydraulic control oil circuit comprises electromagnetic proportional valve, electromagnetic proportion relief valve, overflow valve, electromagnetic direction valve, check valve, oil pump, oil sources.The A1 mouth of said electromagnetic proportional valve is connected with the oil circuit import of correction hydraulic cylinder, and the B1 mouth is connected with the oil circuit outlet of correction hydraulic cylinder; The electromagnetic proportional valve oil inlet P is connected to oil sources through check valve, overflow valve, oil pump; The electromagnetic proportional valve oil return inlet T directly is communicated with oil sources; Electromagnetic proportional valve electrical control port is connected with D/A modular converter in the automatic deviation correction Servocontrol device control circuit.Described proportional pressure control valve oil-in is connected to oil sources through check valve, oil pump, directly is connected with the electromagnetic direction valve oil inlet P; The electromagnetic proportional valve oil return inlet T directly is communicated with oil sources; Electromagnetic proportional valve electrical control port is connected with automatic deviation correction Servocontrol device D/A modular converter.
Described automatic deviation correction Servocontrol device comprises A/D sampling module, D/A modular converter, level switch module, digital input module and control module.Wherein the A/D sampling module adopts binary channels to gather the analog input amount, and its output is connected with the I/O mouth signal of control module through level switch module; The I/O mouth of control module is connected with D/A modular converter signal; The output of D/A modular converter also is a binary channels output control signal as the signal output part of automatic deviation correction Servocontrol device.
The utlity model has following beneficial effect: the current vortex sensor that this device uses; Saw blade is measured on ability noncontact, high linearity, high resolution ground and the dynamic relative displacement of detecting head surface changes; And the change in displacement that detects changed into the data signal of real-time continuous; Through controller and electrohydraudic servomechanism, the leading arm of adjusting saw band automatically compensates, and saw blade is got back on the normal Cutting trajectory; Can prevent effectively that workpiece from scrapping, improve the service life of saw blade greatly.
Description of drawings
Fig. 1 is the automatic deviation rectifying device front view;
Fig. 2 is the A-A view in the automatic deviation rectifying device front view;
Fig. 3 detects sketch map for automatic deviation rectifying device;
Fig. 4 is automatic deviation rectifying device control circuit figure;
Fig. 5 is automatic deviation rectifying device control principle figure.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Shown in Fig. 1 and 2, a kind of band saw machine saw blade automatic deviation rectifying device mainly comprises current vortex sensor 6,10, correction hydraulic cylinder 4,8, electromagnetic proportion relief valve 16, electromagnetic proportional valve 22, oil sources assembly 18 and automatic deviation correction Servocontrol device control circuit 21.Oil sources assembly 18 mainly comprises check valve 19, oil pump 20.Current vortex sensor 6,10 is connected on the pillar 3,11 of band saw machine through support 5,9, is used to measure the run amount near the saw blade of guiding mechanism 1,12 sides; The probe of current vortex sensor 6,10 and the lower end of saw blade 14 laterally arrange.Wherein, guiding mechanism 1,12 is connected as a single entity through truss 7.
Correction hydraulic cylinder 4,8 is arranged on the guiding mechanism 1,12 of band saw machine, and the active segment 2,13 of hydraulic cylinder rear end earrings and leading arm flexibly connects through linkage; Hydraulic cylinder piston rod is connected on the support 23 of leading arm 1,12 and pillar 3,11 through linkage.The active segment 2,13 of guiding mechanism and guiding mechanism 1,12 flexibly connect through linkage.
The oil inlet and outlet of the hydraulic tensioning cylinder 15 of band saw machine self directly is connected with electromagnetic direction valve 17 in the hydraulic control oil circuit; The A1 mouth of electromagnetic direction valve 17 is connected with the first via oil-in of hydraulic tensioning cylinder 15, and the B1 mouth is connected with the second road oil-out of hydraulic tensioning cylinder 15.The oil inlet P mouth of electromagnetic direction valve 17 is connected with oil sources through check valve 19, proportional pressure control valve 16, oil pump 20, and the oil return inlet T mouth directly is connected with oil sources.The electrical control port of electromagnetic direction valve 16 is connected with the signal output port signal of control circuit 21.
The oil inlet and outlet of correction hydraulic cylinder 8 directly is connected with the electromagnetic proportional valve 22 in the hydraulic control oil circuit; The A1 mouth of electromagnetic proportional valve 22 is connected with the first via oil inlet and outlet of correction hydraulic cylinder 4, and the B1 mouth is connected with the second road oil inlet and outlet of correction hydraulic cylinder 4.The oil inlet P mouth of electromagnetic proportional valve 22 is connected with oil sources through check valve 19, overflow valve 24, oil pump 20, and the oil return inlet T mouth directly is connected with oil sources through filter.The electrical control port of electromagnetic proportional valve 22 is connected with the signal output port signal of control circuit 21.The piston rod of correction hydraulic cylinder 8 is when arrow d direction is moved, and the active segment 13 that can drive guiding mechanism reaches the purpose of adjustment bands for band 14 along the swing of camber line arrow r direction.The operation principle of correction hydraulic cylinder 4 is identical.
When setting the standard Cutting trajectory of saw blade 14,15 pairs of bands for bands of hydraulic tensioning cylinder 14 carry out tensioning, and to guarantee saw blade 14 under the situation of not having the normal sawing workpieces of wearing and tearing, current vortex sensor 6 and 10 is accurately measured Cutting trajectory.
As shown in Figure 3, after saw blade 14 wearing and tearing, when bands for band carried out stock removal action, Cutting trajectory can squint, and the deviation angle of workpiece both sides is different.Saw blade actual shifts angle is respectively α
1And α
2, be r through current vortex sensor 6,10 detected Cutting trajectory biases
1(t) and r
2(t).
As shown in Figure 4, control circuit 21 comprises A/D sampling module, D/A modular converter, level switch module, digital input module and control module.The A/D module adopts the AD7655 chip, and the output signal of current vortex sensor is connected with the analog input end INA1 of AD7655, and the output signal of current vortex sensor is connected with the analog input end INA2 of AD7655.AD7655 is through after changing, through I/O port PA0～PA7, to control module transmission signal.Because AD7655 has gathered two paths of signals simultaneously, AD7655 will change the data of gathering at twice.
The D/A modular converter adopts the DA0832 chip, and the PB mouth of control module connects data input port DI0～DI7 of DAC0832; DAC0832 adopts single buffering method to connect; The P0.2 of control module connects the sheet choosing end
of DAC0832, is used for beginning or stops the D/A conversion; The IOUT1 of DAC0832 and IOUT2 output current signal, current signal convert voltage signal output, control electromagnetic proportional valve 22 and electromagnetic relief valve 16 into.
As shown in Figure 5, the operation principle of band saw machine saw blade automatic deviation rectifying device does, when the band saw machine operate as normal, through detecting the signal value r of current vortex sensor 6,10
1(t) and r
2(t), reach the difference e that control circuit 21 calculates
3(t), control ratio overflow valve 16 Adjustment System pressure, and then control hydraulic tensioning cylinder 15 output displacement z
1(t), the tensile force of band saw machine is adjusted, guaranteed that bands for band 14 keeps same horizontal plane.In process of production, current vortex sensor 6 and 10 detects the Cutting trajectory bias r of saw blade 14 respectively in real time
1(t) and r
2(t), signal conveys to control circuit 21, and with the output quantity x of real-time feedback
1(t) and x
2(t) compare, draw error signal e
1(t) and e
2(t).Signal is through having the control module of pid algorithm, output controlling value u
1(t) and u
2(t) to electromagnetic proportional valve 22.Electromagnetic proportional valve 22 output flow q in concrete operation
1(t) and q
2(t) regulate the displacement y of correction hydraulic cylinder 4 and 8
1(t) and y
2(t), pass through guiding mechanism 1 and 12 again, output practical adjustments amount x
1(t) and x
2(t).Because the rectilinear motion of the piston rod of hydraulic cylinder 4 and 8 can drive the active segment of guiding mechanism 1 and 12 and swing around pin joint, and then controls the Cutting trajectory of saw blade 14 automatically.
Claims (1)
1. band saw for metal automatic deviation rectifying device; Comprise current vortex sensor, correction hydraulic cylinder, hydraulic tensioning cylinder, hydraulic control oil circuit, automatic deviation correction Servocontrol device; Guiding mechanism, wherein current vortex sensor, correction hydraulic cylinder respectively have two covers, it is characterized in that:
The automatic deviation correction Servocontrol device goes out the bands for band deviation through the calculated signals of current vortex sensor collection, thereby moves the deviation of correcting bands for band through the displacement drive guiding mechanism of hydraulic control oil circuit control correction hydraulic cylinder, hydraulic tensioning cylinder;
Described two cover current vortex sensors are measured the bias of workpiece both sides saw blade saw track respectively; Two cover current vortex sensors are arranged at by the feeding column of band sawing machine, and current vortex sensor is over against the saw blade setting; The signal output part of current vortex sensor is connected with A/D sampling module in the automatic deviation correction Servocontrol device control circuit;
Described two cover correction hydraulic cylinders are arranged at respectively on the guiding mechanism of band saw machine; The active segment of hydraulic cylinder one end and guiding mechanism is hinged, and the canned paragraph of the other end and guiding mechanism is hinged through support, makes hydraulic cylinder, guiding mechanism and support be triangularly arranged; The oil-in of hydraulic cylinder is connected with electromagnetic proportional valve A1 mouth in the hydraulic control oil circuit, and the oil-out of hydraulic cylinder is connected with electromagnetic proportional valve B1 mouth in the hydraulic control oil circuit;
Said hydraulic tensioning cylinder be band sawing machine from belting, the oil-in of hydraulic cylinder is connected with electromagnetic direction valve A1 mouth in the hydraulic control oil circuit, the oil-out of hydraulic cylinder is connected with electromagnetic direction valve B1 mouth in the hydraulic control oil circuit;
Described guiding mechanism also has two covers, is made up of canned paragraph and active segment, and canned paragraph is connected with the support of band saw machine, and the end of active segment has gathering sill, and bands for band can be along the gathering sill translation; Canned paragraph is connected through linkage with active segment, makes the guiding mechanism active segment to swing around pin joint;
Described hydraulic control oil circuit comprises electromagnetic proportional valve, electromagnetic proportion relief valve, overflow valve, electromagnetic direction valve, check valve, oil pump, oil sources, electromagnetic proportional valve; Electromagnetic proportion relief valve; Electromagnetic direction valve, overflow valve, check valve, wherein oil pump, oil sources one cover; The A1 mouth of said electromagnetic proportional valve is connected with the oil circuit import of correction hydraulic cylinder, and the B1 mouth is connected with the oil circuit outlet of correction hydraulic cylinder; The electromagnetic proportional valve oil inlet P is connected to oil sources through check valve, overflow valve, oil pump; The electromagnetic proportional valve oil return inlet T directly is communicated with oil sources; Electromagnetic proportional valve electrical control port is connected with D/A modular converter in the automatic deviation correction Servocontrol device control circuit; Described proportional pressure control valve oil-in is connected to oil sources through check valve, oil pump, directly is connected with the electromagnetic direction valve oil inlet P; The electromagnetic proportional valve oil return inlet T directly is communicated with oil sources; Electromagnetic proportional valve electrical control port is connected with automatic deviation correction Servocontrol device D/A modular converter;
Described automatic deviation correction Servocontrol device comprises A/D sampling module, D/A modular converter, level switch module, digital input module and control module; Wherein the A/D sampling module is that binary channels is gathered the analog input amount, and its output is connected with the I/O mouth signal of control module through level switch module; The I/O mouth of control module is connected with D/A modular converter signal; The output of D/A modular converter also is a binary channels output control signal as the signal output part of automatic deviation correction Servocontrol device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201631426U CN202555905U (en) | 2012-04-17 | 2012-04-17 | Automatic rectifying device for metal band saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201631426U CN202555905U (en) | 2012-04-17 | 2012-04-17 | Automatic rectifying device for metal band saw blade |
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| Publication Number | Publication Date |
|---|---|
| CN202555905U true CN202555905U (en) | 2012-11-28 |
Family
ID=47205605
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201631426U Expired - Lifetime CN202555905U (en) | 2012-04-17 | 2012-04-17 | Automatic rectifying device for metal band saw blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202555905U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615350A (en) * | 2012-04-17 | 2012-08-01 | 杭州电子科技大学 | Automatic deviation correcting device of metal band saw blade |
| CN105643011A (en) * | 2016-02-25 | 2016-06-08 | 杭州电子科技大学 | Numerical control band sawing machine with correction devices |
| CN106965258A (en) * | 2017-05-02 | 2017-07-21 | 重庆金华兴门业有限公司 | From leveling wood saw |
| CN107000088A (en) * | 2014-12-01 | 2017-08-01 | 雷堂德有限公司 | Machine for the method for sawing long profiles and for truncating long profiles |
| CN113059401A (en) * | 2021-04-01 | 2021-07-02 | 杭州爱科科技股份有限公司 | Automatic deviation correcting device of response cutter atress direction and size |
-
2012
- 2012-04-17 CN CN2012201631426U patent/CN202555905U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615350A (en) * | 2012-04-17 | 2012-08-01 | 杭州电子科技大学 | Automatic deviation correcting device of metal band saw blade |
| CN102615350B (en) * | 2012-04-17 | 2013-07-17 | 杭州电子科技大学 | Automatic deviation correcting device of metal band saw blade |
| CN107000088A (en) * | 2014-12-01 | 2017-08-01 | 雷堂德有限公司 | Machine for the method for sawing long profiles and for truncating long profiles |
| CN107000088B (en) * | 2014-12-01 | 2019-04-02 | 雷堂德有限公司 | Machine for the method for sawing long profiles and for truncating long profiles |
| CN105643011A (en) * | 2016-02-25 | 2016-06-08 | 杭州电子科技大学 | Numerical control band sawing machine with correction devices |
| CN106965258A (en) * | 2017-05-02 | 2017-07-21 | 重庆金华兴门业有限公司 | From leveling wood saw |
| CN106965258B (en) * | 2017-05-02 | 2018-12-25 | 重庆金华兴门业有限公司 | From leveling wood saw |
| CN113059401A (en) * | 2021-04-01 | 2021-07-02 | 杭州爱科科技股份有限公司 | Automatic deviation correcting device of response cutter atress direction and size |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121128 Effective date of abandoning: 20130717 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20121128 Effective date of abandoning: 20130717 |
|
| RGAV | Abandon patent right to avoid regrant |