CN201124265Y - Non-distortion shearing mechanism of guillotine shear - Google Patents
Non-distortion shearing mechanism of guillotine shear Download PDFInfo
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- CN201124265Y CN201124265Y CNU2007201317870U CN200720131787U CN201124265Y CN 201124265 Y CN201124265 Y CN 201124265Y CN U2007201317870 U CNU2007201317870 U CN U2007201317870U CN 200720131787 U CN200720131787 U CN 200720131787U CN 201124265 Y CN201124265 Y CN 201124265Y
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Abstract
The utility model provides a non-distortion shearing mechanism for a shearing machine which consists of a correction cylinder and a hydraulic transmission system, wherein the correction cylinder is sequentially and segmentally arranged on the inner side of a workbench of the shearing machine and is fixed on a standing plate on the inner side of the workbench of the shearing machine; the hydraulic transmission system is composed of an oil tank, an oil pump, a solenoid directional control valve (3), an overflow valve, an accumulator, a pressure relay, a ball valve, a correction cylinder, a solenoid directional control valve (9) and an electromagnetic overflow valve; the inlet of the oil pump is connected with the oil tank, and the outlet is simultaneously connected with the inlet of the solenoid directional control valve (3), the inlet of the solenoid directional control valve (9) and the inlet of the electromagnetic overflow valve in parallel; the outlet (B) of the solenoid directional control valve (3) is connected with the overflow valve, the accumulator, the pressure relay and the outlet of the ball valve in parallel; the outlet (A) of the solenoid directional control valve (3) is sealed; the outlet of the overflow valve is connected with the oil tank; the outlet of the ball valve is respectively connected with lower cavities of the correction cylinder in parallel; the outlet (B) of the solenoid directional valve (9) is segmentally connected with the upper cavities of the correction cylinder in parallel, the oil discharge hole (T) is connected with the oil tank, and the outlet (A) is sealed; and the outlet of the electromagnetic overflow valve is connected with the oil tank.
Description
Technical field
What the utility model related to metallic plate or pipe, rod or section bar does not have machining or processing substantially, is meant the distortionless cutting mechanism of a kind of plate shearing machine especially.
Background technology
The existing plate shearing machine that uses, carry out plate when shearing because the existence of the angle of shear is arranged, in whole shear history plate by when cutting off because the plate of being cut is being under the situation of being under no restraint, thereby take place crooked freely to some extent and reverse.When the ratio of the plate width of cutting plate and thickness less than 20 the time, must be for the distortion in various degree that produces through just sending into next procedure after the smoothing; And when the ratio of the plate width of cutting plate and thickness less than 10 the time, the torsional deformation of then cutting plate is even more serious, if will smooth also all difficulties.Because width is too narrow, torsional deformation is too big, just can't measure test specimen; Therefore the operating accuracy index content in the national plate shearing machine accuracy standard, to the requirement of test specimen clearly the regulation specimen width be not less than 20 times of specimen thickness.Shearing torsional deformation in the Sheet Metal Processing has become that plate shearing machine production unit and applying unit wish to solve and a unsolved difficult problem for a long time.
Summary of the invention
Technical problem to be solved in the utility model just is to overcome the difficult problem of the shearing torsional deformation in the present plate shearing machine Sheet Metal Processing process, provide a kind of in the plate shearing machine workbench side-lower Hydraulic Power Transmission System be set proofread and correct oil cylinder, adopt the distortionless cutting mechanism of plate shearing machine of constraint plate distressed structure in shearing process.The distortionless cutting mechanism of plate shearing machine of the present utility model constitutes by proofreading and correct oil cylinder and Hydraulic Power Transmission System, the segmentation of correction oil cylinder is successively set on plate shearing machine workbench inboard and is fixed on the inboard riser of plate shearing machine workbench, Hydraulic Power Transmission System is made up of fuel tank 1, oil pump 2, solenoid directional control valve 3, overflow valve 4, accumulator 5, pressure switch 6, ball valve 7, correction oil cylinder 8, solenoid directional control valve 9 and electromagnetic relief valve 10, oil pump 2 imports are connected with fuel tank 1, and outlet is connected with solenoid directional control valve 3 import P, solenoid directional control valve 9 import P, electromagnetic relief valve 10 inlet parallel simultaneously; The be connected in parallel import of overflow valve 4, accumulator 5, pressure switch 6 and ball valve 7 of solenoid directional control valve 3 outlet B; Solenoid directional control valve 3 outlet A shut; Overflow valve 4 outlets insert fuel tank 1; Ball valve 7 outlets are connected in parallel respectively and proofread and correct oil cylinder 8 cavity of resorptions; Solenoid directional control valve 9 outlet B segmentations are connected in parallel and proofread and correct oil cylinder 8 epicoeles, oil drain out T connected tank 1, and outlet A shuts; The outlet connected tank 1 of electromagnetic relief valve 10.Usually be provided with filter, for example well strainer before the import of oil pump 2; Oil pump can be selected crescent gear pump for use, also can select the suitable oil pump of other pattern for use.It is the L=6.3 liter that accumulator is selected specification, the accumulator of supercharging pressure P=5.5MPa; Also can select the accumulator of different size according to actual needs.Proofread and correct oil cylinder cylinder diameter D=40m, diameter of piston rod d=22mm, piston stroke S=120mm; Also can select sized data different oil cylinder cylinder diameter, diameter of piston rod and piston stroke according to actual needs.When carrying out the plate shearing manipulation, plate to be put into knife rest shearing position shear, the piston rod that will proofread and correct oil cylinder by energy storage pressure oil ejects, and sheet feed is convenient to a little less than following blade in the last plane of piston rod.Form upper knife edge when shearing when upper tool post is descending, by the shear material with proofread and correct on the piston rod between the three of plane the closely one of contact, plate is cut off under the situation of last lower stress, the distortion of plate is affined, and the plate of being cut just can be realized distortionless in this case.On whole cutting stroke length, usually be installed with 15 along a straight line and proofread and correct oil cylinder, need of work according to reality can suitably increase or reduce the quantity of proofreading and correct oil cylinder, for the correction oil cylinder of the pressure loss setting that reduces working connection is a segmentation with three, when sheared length surpasses three oil cylinders, and when arriving the 4th oil cylinder, break away from plate by piston rod decline to three oil cylinders in oil cylinder control front, increase along with sheared length, and continuing same action with three one segmentations, finish until shearing.
Advantage of the present utility model just is to adopt the distortionless cutting mechanism plate shearing machine that Hydraulic Power Transmission System is proofreaied and correct oil cylinder restraining plate material distressed structure is set in shearing process, plate detrusion is reduced significantly, shearing quality obviously improves, and can realize shearing distortionless substantially; Adopt distortionless cutting mechanism plate shearing machine of the present utility model,, improved labor productivity because the obvious raising of shearing quality also greatly reduces material consumption; And the distortionless cutting mechanism of plate shearing machine of the present utility model safety simple in structure, assembling is with easy to maintenance.Therefore the distortionless cutting mechanism of plate shearing machine of the present utility model has broad prospect for its application.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further;
Fig. 1 is that existing plate shearing machine plate is sheared the situation schematic diagram;
Fig. 2 is that the master of the distortionless cutting mechanism structure of the utility model plate shearing machine looks schematic diagram;
Fig. 3 is the schematic top plan view of the distortionless cutting mechanism structure of the utility model plate shearing machine;
Fig. 4 is the schematic side view of the distortionless cutting mechanism structure of the utility model plate shearing machine;
Fig. 5 is the distortionless cutting mechanism hydraulic system of a utility model plate shearing machine oil circuit schematic diagram;
With reference to Fig. 1, in the existing plate shearing machine shear history plate when being cut off owing to cut Plate be under the situation of being under no restraint, thereby free bend in various degree take place and reverse Situation. Such as figure, label 11 is the upper tool post of plate shearing machine, and label 12 is lower slide, letter C For by the shear material.
With reference to Fig. 2, Fig. 3 and Fig. 4, the correction oil of the utility model non-distortion shearing mechanism of guillotine shear Cylinder 8 segmentations are successively set on plate shearing machine workbench inboard; Such as Fig. 4, proofread and correct oil cylinder 8 lower ends by bearing pin 14 connection brackets 15 are screwed on the inboard riser 13 of plate shearing machine workbench, and the upper end is then by card Hoop 16 is fixed on the inboard riser 13. Owing to adopted the correction oil cylinder about in the shearing process The structure of bundle sheet metal deformation reduces the plate cutting distortion significantly, and shearing quality obviously improves, Substantially can realize shearing distortionless. Number in the figure 11 is the upper tool post of plate shearing machine, and label 12 is lower cutter Frame. Such as Fig. 2 and Fig. 3, proofread and correct oil cylinder 8 take three as a segmentation, when sheared length surpasses three oil Cylinder, and when arriving the 4th oil cylinder is under the piston rod to three oil cylinders in control front of oil cylinder Fall the disengaging plate, along with the increase of sheared length, and continuing same action with three segmentations, Until shear complete.
With reference to Fig. 5, the utility model non-distortion shearing mechanism of guillotine shear passes by proofreading and correct oil cylinder and hydraulic pressure Moving system consists of, and wherein Hydraulic Power Transmission System is by fuel tank 1, oil pump 2, solenoid directional control valve 3, overflow Valve 4, accumulator 5, pressure switch 6, ball valve 7, correction oil cylinder 8, solenoid directional control valve 9 and electricity Magnetic overflow valve 10 forms. When Hydraulic Power Transmission System is carried out work, start oil pump 2, output fluid Enter simultaneously electromagnetic relief valve 10, solenoid directional control valve 3 and solenoid directional control valve 9, because the electromagnetism overflow The function of valve 10 is open types, thus oil pump output just direct oil sump tank 1 behind electromagnetic relief valve 10, Oil circuit is build-up pressure not, only has the electromagnet YV3 of the solenoid directional control valve on electromagnetic relief valve 10 After the electric commutation, electromagnetic relief valve 10 becomes the effect that just can play overflow valve after the closure by often opening, Fluid obtains required operating pressure under set pressure. Solenoid directional control valve 3 is to aim at accumulator 5 Topping up arranges, and pressure oil is just through solenoid directional control valve 3 after electromagnet YV5 gets electric commutation Outlet B enters accumulator 5 simultaneously, overflow valve 4, and pressure switch 6, and enter the school through ball valve 7 Positive oil cylinder 8 cavity of resorptions make piston rod rise to the operating position. The supercharging pressure of accumulator 5 can be regulated Pressure switch 6 obtains, and drops to the setting pressure of pressure switch 6 when the oil pressure of accumulator 5 During power, pressure switch namely sends signal, makes electromagnet YV5 get electric commutation accumulator is realized Topping up, when topping up reached required pressure, topping up namely stopped automatically. The high workload of accumulator 5 Pressure is controlled by the set pressure of overflow valve 4. Ball valve 7 is opened generally speaking, so The pressure oil of accumulator 5 communicates with proofreading and correct oil cylinder 8 cavity of resorptions, thereby proofreaies and correct the piston of oil cylinder 8 Bar ejects all the time in the operating position, in the time need not using distortionless mechanism, is proofreading and correct oil cylinder 8 epicoeles Enter behind the pressure oil piston rod depressed after, namely close ball valve 7, this moment accumulator 5 pressure oil not Can enter again and proofread and correct oil cylinder 8, piston rod just can not enter the operating position, and distortionless mechanism is not just at this moment Work, when need use distortionless mechanism, only need open ball valve 7 and get final product. Solenoid directional control valve 9 Be traditionally arranged to be five, each solenoid directional control valve 9 is respectively controlled three and is proofreaied and correct oil cylinder, works as electromagnet After the YV6 segmentation got electric commutation, pressure oil entered through the outlet B of solenoid directional control valve 9 and proofreaies and correct on the oil cylinder Chamber, segmentation press down piston rod and leave the operating position. Subsequent segment continues with shear action Continuing same action, until shear complete.
The specific embodiment
Below be embodiment of the present utility model, the actual use of the present utility model is not limited to embodiment.
Embodiment 1, the distortionless cutting mechanism of plate shearing machine
In Q11K-6X2500 type shear centre, increase the distortionless cutting mechanism of plate shearing machine that setting has structure of the present utility model.The distortionless cutting mechanism of plate shearing machine constitutes by proofreading and correct oil cylinder and Hydraulic Power Transmission System, the segmentation of correction oil cylinder is successively set on plate shearing machine workbench inboard and is fixed on the inboard riser of plate shearing machine workbench, Hydraulic Power Transmission System is made up of fuel tank 1, oil pump 2, solenoid directional control valve 3, overflow valve 4, accumulator 5, pressure switch 6, ball valve 7, correction oil cylinder 8, solenoid directional control valve 9 and electromagnetic relief valve 10, oil pump 2 imports are connected with fuel tank 1, and outlet is connected with solenoid directional control valve 3 import P, solenoid directional control valve 9 import P, electromagnetic relief valve 10 inlet parallel simultaneously; The be connected in parallel import of overflow valve 4, accumulator 5, pressure switch 6 and ball valve 7 of solenoid directional control valve 3 outlet B; Solenoid directional control valve 3 outlet A shut; Overflow valve 4 outlets insert fuel tank 1; Ball valve 7 outlets are connected in parallel respectively and proofread and correct oil cylinder 8 cavity of resorptions; Solenoid directional control valve 9 outlet B segmentations are connected in parallel and proofread and correct oil cylinder 8 epicoeles, oil drain out T connected tank 1, and outlet A shuts; The outlet connected tank 1 of electromagnetic relief valve 10.Before the import of oil pump 2 well strainer is set, filter model WU-160 * 100FJ; Oil pump 2 is selected crescent gear pump for use, model NT4-G40F; Solenoid directional control valve 3 models are 4WE6B-6X/EG24Z5L, and electromagnetic relief valve 10 models are 4WE6C-6X/EG24Z5L; Overflow valve 4 models are DBDS6P10/5/2; Accumulator 5 models are NXQA-6.3/20-L-A, and specification is the L=6.3 liter, supercharging pressure P=5.5MPa; Ball valve 7 models are YJZD-H10N; Pressure switch 6 models are HED80P1X/5Z14KS/2; It is 15 that the correction oil cylinder is provided with quantity, oil cylinder cylinder diameter D=40m, diameter of piston rod d=22mm, piston stroke S=120mm.Proofreading and correct oil cylinder divides 5 sections to be successively set on the plate shearing machine workbench inboard and be fixed on the inboard riser of plate shearing machine workbench, with three oil cylinders is a segmentation, when sheared length surpasses three oil cylinders, and when arriving the 4th oil cylinder, break away from plate by piston rod decline to three oil cylinders in oil cylinder control front, along with the increase of sheared length, and continuing same action, finishing until shearing with three one segmentations.In the trial production process, on same Shearing machine, to using the distortionless cutting mechanism of plate shearing machine and not using the distortionless cutting mechanism of plate shearing machine, 2 * 25 * 2000 plates of the same specification of being cut are measured, the result is, the torsion angle that uses the distortionless cutting mechanism of plate shearing machine to cut plate is not more than 5 °, and the torsion angle that does not use the distortionless cutting mechanism of plate shearing machine to cut plate reaches 34.5 °～37 ° unexpectedly.As seen the detrusion after using the distortionless cutting mechanism of plate shearing machine reduces significantly, and shearing quality is significantly improved, and can realize shearing distortionless substantially, has reached the designing requirement of expection.
Claims (5)
1, the distortionless cutting mechanism of a kind of plate shearing machine, it is characterized in that constituting by proofreading and correct oil cylinder and Hydraulic Power Transmission System, the segmentation of correction oil cylinder is successively set on plate shearing machine workbench inboard and is fixed on the inboard riser of plate shearing machine workbench, Hydraulic Power Transmission System is by fuel tank (1), oil pump (2), solenoid directional control valve (3), overflow valve (4), accumulator (5), pressure switch (6), ball valve (7), proofread and correct oil cylinder (8), solenoid directional control valve (9) and electromagnetic relief valve (10) are formed, oil pump (2) import is connected with fuel tank (1), outlet while and solenoid directional control valve (3) import (P), solenoid directional control valve (9) import (P), electromagnetic relief valve (10) inlet parallel connects; The be connected in parallel import of overflow valve (4), accumulator (5), pressure switch (6) and ball valve (7) of solenoid directional control valve (3) outlet (B); Solenoid directional control valve (3) outlet (A) is shut; Overflow valve (4) outlet inserts fuel tank (1); Ball valve (7) outlet is connected in parallel respectively and proofreaies and correct oil cylinder (8) cavity of resorption; Solenoid directional control valve (9) outlet (B) segmentation is connected in parallel and proofreaies and correct oil cylinder 8 epicoeles, oil drain out (T) connected tank 1, and outlet (A) is shut; The outlet connected tank (1) of electromagnetic relief valve (10).
2, the distortionless cutting mechanism of plate shearing machine according to claim 1 is characterized in that being provided with well strainer before the import of oil pump; Oil pump is selected crescent gear pump for use.
3, the distortionless cutting mechanism of plate shearing machine according to claim 1 is characterized in that it is the L=6.3 liter that accumulator is selected specification, the accumulator of supercharging pressure P=5.5MPa.
4, the distortionless cutting mechanism of plate shearing machine according to claim 1 is characterized in that proofreading and correct oil cylinder cylinder diameter D=40m, diameter of piston rod d=22mm, piston stroke S=120mm.
5, the distortionless cutting mechanism of plate shearing machine according to claim 1 is characterized in that on whole cutting stroke length, installs 15 along a straight line and proofreaies and correct oil cylinder, and proofreading and correct oil cylinder is a segmentation with three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201317870U CN201124265Y (en) | 2007-12-21 | 2007-12-21 | Non-distortion shearing mechanism of guillotine shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201317870U CN201124265Y (en) | 2007-12-21 | 2007-12-21 | Non-distortion shearing mechanism of guillotine shear |
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| Publication Number | Publication Date |
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| CN201124265Y true CN201124265Y (en) | 2008-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201317870U Expired - Fee Related CN201124265Y (en) | 2007-12-21 | 2007-12-21 | Non-distortion shearing mechanism of guillotine shear |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858365A (en) * | 2010-05-26 | 2010-10-13 | 太原重工股份有限公司 | Hydraulic control system for oil inlet and oil return of energy accumulator |
| CN102151894A (en) * | 2011-04-13 | 2011-08-17 | 无锡锡锻机床有限公司 | Distortion resistant device for plate shearing machine |
| CN103433550A (en) * | 2013-09-11 | 2013-12-11 | 江苏久日数控机床有限公司 | Anti-distorting shearing mechanism of plate shearing machine |
-
2007
- 2007-12-21 CN CNU2007201317870U patent/CN201124265Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858365A (en) * | 2010-05-26 | 2010-10-13 | 太原重工股份有限公司 | Hydraulic control system for oil inlet and oil return of energy accumulator |
| CN102151894A (en) * | 2011-04-13 | 2011-08-17 | 无锡锡锻机床有限公司 | Distortion resistant device for plate shearing machine |
| CN102151894B (en) * | 2011-04-13 | 2012-07-04 | 无锡锡锻机床有限公司 | Distortion resistant device for plate shearing machine |
| CN103433550A (en) * | 2013-09-11 | 2013-12-11 | 江苏久日数控机床有限公司 | Anti-distorting shearing mechanism of plate shearing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20151221 |
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| EXPY | Termination of patent right or utility model |