CN87215892U - Mechanically-driven plate shears - Google Patents
Mechanically-driven plate shears Download PDFInfo
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- CN87215892U CN87215892U CN 87215892 CN87215892U CN87215892U CN 87215892 U CN87215892 U CN 87215892U CN 87215892 CN87215892 CN 87215892 CN 87215892 U CN87215892 U CN 87215892U CN 87215892 U CN87215892 U CN 87215892U
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Abstract
The utility model discloses a mechanically-driven plate shear. An asynchronous motor is used for dragging, swaging, plate shearing and clutch which are all mechanical drives. The drive shaft of the mechanically-driven plate shear is provided with the fixed fly wheel of energy storage for increasing rotational inertia. A working main shaft has the advantages of reasonable support and distribution, and homogeneous stress. Compared with the existing mechanical plate shear, the utility model has the advantages of high capability, compact structure, high efficiency, wide thickness range, reasonable cost, and good resquaring quality; the mechanically-driven plate shear is especially suitable for shearing various steel plates whose thicknesses are 20 to 35 mm; the mechanically-driven plate shear is ideal special equipment for the resquaring of the steel rolling of mid-small businesses and township enterprises.
Description
The utility model relates to the steel plate plate shearing machine that a kind of cutting edge moves in a level.This plate shearing machine is dragged by an asynchronous motor, and binder, shearing backgauge, clutch are machine driving.Complete machine work by Motor Drive each, the binder cam link mechanism on the working-spindle and shear that eccentric wheel drives eccentric swage respectively and movable cutting edge moves back and forth the shearing steel plate.
The machine driving plate shearing machine generally only is used to shear 20 millimeters with lower steel plate at present, the greatest limit shearing thickness also is no more than 25 millimeters, all belong to this type as existing Q11-20 * 2000 plate shearing machines or Q11-25 * 2500 cutters, exceed this thickness limit, above-mentioned mechanical plate shearing machine can't be sheared at all.In the actual production, various cold shears steel plate thickness can not be consistent, particularly in recent years, shipbreaking industry develops to some extent, part scrapping steel plate thickness is in 20～30 millimeter, and the original plate shearing machine of small section rolling mill enterprise is not sheared, and have to adopt the oxygen cutting steel plate, the result has not only slatterned a large amount of metal materials and the energy, has polluted environment, and make that mill bar quality is inferior, lumber recovery reduces, product cost raises.
Adopt Q12y-32 * 4000 hydraulic plate shears, although can shear 30 millimeters with lower steel plate,, because hydraulic plate shears is bulky, cost is too high, production environment and technical conditions require tighter, and maintenance difficult.Therefore, many medium and small Metallurgical Enterprise adopt hydraulic plate shears, no matter on financial resources, certain difficulty are arranged all on technical merit still.In order to satisfy small section rolling mill enterprise production development needs, improve mechanical plate shearing machine and shear the steel plate ability, make it adapt to the steel plate of shearing different size, kind within the specific limits, special the utility model design that proposes.
The utility model is little at the shear ability that existing machinery transmission plate shearing machine exists, the problem that the shearing thickness scope is little.Purpose is to provide a kind of shear ability big, and shear steel plate thickness scope is wide, and especially being fit to shearing thickness is 20～35 millimeters, and width is 2200 millimeters machine driving plate shearing machines with lower steel plate.
The utility model partly is made up of frame, transmission, braking, binder, backgauge, shearing, manipulation etc., and each several part is machine driving.Rack section two heel posts have the slide block moving guide rail, and upper and lower crossbeam, workbench and pedestal thereof are arranged between two columns.Sliding plate and material supporting rack are housed on the workbench.The complete machine running part is dragged by an asynchronous motor, drive power transmission shaft, jackshaft, two groups of big pinions and working-spindle and rotate successively, drive activity cutting edge and eccentric swage move back and forth up and down respectively by being installed in shearing eccentric wheel on the working-spindle and binder cam link mechanism.Movable cutting edge be fixed as one with slide block and workbench on fixedly cutting edge formation clip.Actuating element is sheared steel plate by brake cam, friction clutch, stock stop control plate shearing machine.
In order to realize the utility model purpose, improve plate shearing machine shear ability, must increase plate shearing machine power transmission shaft rotary inertia---increase the output of power transmission shaft power.Utilize on the power transmission shaft remaining space between the adjustable flywheel and gear for this reason, fixedly flywheel of energy storage is installed, the rotary inertia of increase power transmission shaft on power transmission shaft.Clearly, fixedly flywheel diameter is big more, the power transmission shaft rotary inertia is also big more in energy storage, and it is also just big more to shear the steel plate ability.We can be according to the shearing force designing requirement, determines fixedly flywheel diameter size of a group or several groups.Can select simultaneously wherein one group of fixedly double braked wheel of doing of flywheel.
Because this machine shearing force is big, working-spindle and corresponding each parts carrying increase relatively, and complete machine structure must be made respective change.Gear wheel is housed on the working-spindle, shears eccentric wheel, binder cam, brake cam.Eccentric wheel and binder cam are by linkage driving activity cutting edge and eccentric swage work, so main shaft bears the load maximum.Be to keep main shaft works fine state, guarantee that main shaft moves in the regime of elastic deformation that allows, except that two ends by being fixed on the frame two heel post sliding supported conditions, the axis part is by the sliding supported condition that is upside down in frame entablature below.Like this,, can correspondingly reduce the main shaft cross dimensions, improve its bearing capacity holding on an equal basis under the lotus effect.
Linkage and binder crossbeam that the binder cam is formed by roller, support rod, spring constitute eccentric swage, and the working-spindle revolving force is become the eccentric swage normal pressure, and its uniform pressure distribution is being cut on the flitch.The utility model can adopt four groups of binder cam link mechanisms, and symmetry is contained between the main shaft sliding supported condition.Four groups of binder cams make main shaft stressed evenly, are difficult for producing stress concentration phenomenon, corresponding machine service life and the shear ability of having improved.Excesssive gap between existing in addition plate shearing machine eccentric swage and the movable scissors, the remaining sum width was not enough when plate was irregular, and the rectangle presser feet of eccentric swage is inoperative.Plate is got between the upper and lower cutting edge under movable cutting edge effect easily, and support is produced considerable damage power.Therefore, distance should suitably be adjusted between eccentric swage and the movable cutting edge.Rectangle presser feet and upper scissor blade spacing e be best≤and 7 millimeters.
Original plate shearing machine working-spindle two ends sliding bearing two body fixed jackets, its bolt joint face is subjected to force direction consistent with main shaft maximum perpendicular direction, and connecting bolt easily produces stress and concentrates and damage.This plate shearing machine is rotated to an angle by force direction vertically in the said fixing overcoat along main shaft, make on the stressed housing that acts on fixed jacket of main shaft vertical direction, alleviates bolt strained.This deflection angle is generally between 15～30 degree.
Make destruction when table rest takes place to shear the material extrusion accident, when making plate shearing machine, workbench is done to can be made into one with frame, does not take the fixedly connected form of chorista.
In the utility model, shear eccentric wheel for two groups on the working-spindle, symmetry is installed in four groups of binder cam outsides, and after eccentric swage fastened flitch, fixedly the movable cutting edge on the slide block began to shear under eccentric wheel and connecting rod driving.Main shaft revolves one week of axle, finishes one and shears circulation.
Brake cam is fixed on the left end of working shaft, differs 180 degree, brake force maximum when upper scissor blade is lifted to the extreme higher position with shearing the high point of eccentric wheel position.
Compare with existing machinery transmission plate shearing machine, the maximum characteristics of this cutter are that shear ability is big, wide ranges, and every index of shearing steel plate is all more satisfactory, and compact integral structure is reasonable.Environmental suitability is strong to external world, and the operation maintenance is convenient.Especially being fit to shearing thickness is 20～35 millimeters.Width is the steel plate below 2200 millimeters.The plate shearing machine that adopts the utility model to provide helps Metallurgical Enterprise and saves steel plate and energy resource consumption, improves plate lumber recovery and mill bar quality, enhances productivity, and reduces product cost.This machine with adopt artificial gas cutting 30 millimeters thick steel plates relatively, it is about 10～16% to improve lumber recovery, stocking per ton reduces cost about 100 yuan, better economy is particularly suitable for small section rolling mill enterprise and uses.
Below in conjunction with accompanying drawing, provide specific embodiment of the utility model.
Fig. 1 is that machine driving plate shearing machine master looks and schematic side view.
Fig. 2 originally cuts utmost point machine eccentric swage structural representation.
Fig. 3 is this plate shearing machine running part structural representation sketch.
Fig. 4 is eccentric swage and movable cutting edge pitch structure partial schematic diagram.
Is example with reference to Fig. 1, Fig. 2, Fig. 3 with JB30 * 2000 plate shearing machines, and this machine is dragged by 55 kilowatts of asynchronous motors 1, but shearing thickness is 3～35 millimeters, and width is 280～2200 millimeters, strength degree δ B≤50 kilogram/millimeter
2Steel plate.
This machine frame 15 is made up of left and right sides column, lower and upper cross-member 12, workbench 7, table rest 8, sliding plate and four groups of material supporting racks 14.Fixed blade 21 is fixed on the workbench 7.Each parts adopts steel plate box structure and steel-casting, and with bolt, pin is fastening fuses.Four groups of material supporting racks 14 can equidistantly not be fixed on the workbench 7.
The running part structure sees Fig. 3 for details.Motor 1 drives power transmission shaft I, jackshaft II, two groups big pinions 16, and the working-spindle III is rotated.
Adjustable flywheel 2, fixedly flywheel 19 and pinion 16a are housed on the power transmission shaft I axle successively.Adjustable flywheel (double do big pulley concial disk) is defeated by the power transmission shaft I by friction clutch 3 with to key point with stored energy.As change the position of the heavy bell 6 of actuating element or the position of adjustment frictional disk, all can adjust shearing force.Adopt one group of fixedly flywheel 19(braked wheel of holding concurrently in the present embodiment) impact that improved the plate shearing machine shear ability, alleviated clutch 3 and each driving member, reduce maintenance capacity.
The jackshaft II is passed to the working-spindle III by gear graduation with the power of power transmission shaft I.I is made the main shaft III gear wheel 16b is housed.Shear eccentric wheel 4 for two groups.Brake cam 11 and four groups of binder cams 17.The main shaft III adopts 13 supportings of Third Mate's sliding bearing, and wherein Second Mate's bearing 13a is fixed on frame two heel posts.Another pair bearing 13b is fixed on main shaft III middle part, frame entablature 12 below.Two groups of eccentric wheel 4 symmetries are installed in the outside of equally distributed four groups of binder cams 11.Four groups of binder cams 11 constitute linkage 9 by roller 9a, support rod 9b, spring 9c separately, with binder crossbeam 22 stationary links composition eccentric swage.Binder crossbeam 22 fuses nine 50 * 105 millimeters rectangle presser feet 10.Presser feet 10 equals 7 millimeters with movable cutting edge 18 gap e, sees Fig. 4 for details.
Present embodiment has two kinds of aditus laryngis, and 250 millimeters of the aditus laryngis degree of depth can be as the special equipment of shearing the steel rolling plate; 550 millimeters of the aditus laryngis degree of depth.Except that can be used for steel rolling mill, also can be used for sheet metal shop.
This machine course of work:
Actuating motor 1 is under big or small pulley concial disk drives, and flywheel 2 begins rotation, is fixed on cutting edge 18 on the slide block 5 this moment in the extreme higher position, and the peak of brake cam 17 is in extreme lower position, the brake force maximum, and operating mechanism all is in inactive state.
Move the plate of holder on workbench 7 rollers, under the stopping of stock stop, make the plate clipped position, intermittently shear as need, but crawl electric power floor push starts electromagnet 20, drive starting shaft and discharge heavy bell 6, open the braking hub brake, rubbing drives the power transmission shaft I through the two-stage gear reduction by clutch 3 work, and the working-spindle III drives binder cam 11, shearing eccentric wheel 4, brake cam 17, shears plate.Main shaft III Rotate 180 degree flitch is cut off.During the second half rotation, eccentric swage, movable scissors 18 lift, and brake cam 17 lifts heavy bell 6 by activation lever, opens friction clutch 3, checks fixedly flywheel, finishes a working cycles.
As step on electronic foot control, electromagnet 20 is in duty.Plate shearing machine can be realized continuous shearing.
The performance of present embodiment is seen attached list.
Performance
| Title | Numerical value | Unit | Remarks | |
| Maximum shear stress | 280 | Ton | ||
| But shear is thick | Maximum (δ b≤50kg/mm） | 33 | Millimeter | δ 7≤38.5kg/mm 2 |
| Minimum | 3 | ″ | ||
| But shear is wide | 2000 | ″ | Vertically feeding | |
| Distance between column | 2540 | ″ | ||
| The |
4°15′ | Degree | ||
| Ram travel | 190 | Millimeter | ||
| The number of |
12 | Inferior/minute | ||
| The aditus laryngis degree of depth | 250；550 | Millimeter | ||
| Stock stop backgauge scope | 30－750 | ″ | ||
| Motor | Model | YM?125-4 | ||
| Power | 55 | Kilowatt | ||
| Revolution | 1470 | Rev/min | ||
| Machine weight | 26600 | Kilogram | ||
| Outer cun of machine shape device chi | Long | 4130 | Millimeter | |
| Wide | 2980 | ″ | ||
| High | 3160 | ″ | ||
Claims (4)
1, a kind of machine driving plate shearing machine, by frame, transmission, braking, binder, backgauge, shear, handle and wait part to form, frame (15) two heel posts have slide block (5) moving guide rail, asynchronous motor (1) drives power transmission shaft (I) and drives jackshaft (II), two groups big pinion (16a, 16b) and working-spindle (III) running, wherein I is made main shaft (III) and is equipped with and shears eccentric wheel (4), binder cam link mechanism (9) and brake cam (17), movable cutting edge (18) and slide block (5) are fixed into one in eccentric wheel (4) effect down and the fixedly cutting edge (21) of workbench (7) formation clip, brake cam (17), friction clutch (3) is by actuating element control plate shearing machine, and the utility model is characterised in that:
The fixing flywheel (19) of energy storage that increases power transmission shaft (I) rotary inertia is housed on the axle between the adjustable flywheel (2) at a, power transmission shaft (I) two ends and the gear (16a),
B, working-spindle (III) two ends are bearing on frame (15) two heel posts by sliding bearing (13a), and the axis part is by sliding bearing (13b) supporting that is upside down in frame entablature (17) below.
2, according to the described plate shearing machine of claim 1, it is characterized in that between sliding bearing (13) supporting of working-spindle (III), symmetry is equipped with four groups of binder cams (11) linkages (9), this mechanism fixedlys connected with binder crossbeam (22), rectangle presser feet (10) and movable cutting edge (18) gap (e)≤7 millimeter.
3,, it is characterized in that fixedly connected vertical force direction that is subjected to working-spindle (III) of frame (15) two heel post sliding bearing (13a) overcoats is 15～30 degree angles according to claim 1,2 described plate shearing machines.
4, according to claim 1,2 described plate shearing machines, it is characterized in that this machine worktable (7) be installed in frame (15) for above the table rest of one (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87215892 CN87215892U (en) | 1987-12-05 | 1987-12-05 | Mechanically-driven plate shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87215892 CN87215892U (en) | 1987-12-05 | 1987-12-05 | Mechanically-driven plate shears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87215892U true CN87215892U (en) | 1988-10-12 |
Family
ID=4829931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87215892 Withdrawn CN87215892U (en) | 1987-12-05 | 1987-12-05 | Mechanically-driven plate shears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87215892U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1863651B (en) * | 2003-10-31 | 2010-04-21 | 基宾国际股份公司 | A panel turning device |
| CN101274376B (en) * | 2008-05-23 | 2010-06-02 | 季约德 | Electric cutting device of cold-bending molding machine |
| CN102229006A (en) * | 2011-06-22 | 2011-11-02 | 钟京蕾 | Plate cutting machine |
| CN102554330A (en) * | 2012-03-13 | 2012-07-11 | 赵朝玺 | Self-locking material-pressing plate shearing machine |
| CN101468406B (en) * | 2007-12-26 | 2012-10-17 | 株式会社Idh | Cutting device for large-size workpiece |
| CN106238802A (en) * | 2016-08-17 | 2016-12-21 | 南通东海机床制造集团有限公司 | A kind of mechanical shear trigger |
| CN106889053A (en) * | 2017-01-19 | 2017-06-27 | 重庆市潼南区双江川艺机械厂有限公司 | Weeding wheel |
-
1987
- 1987-12-05 CN CN 87215892 patent/CN87215892U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1863651B (en) * | 2003-10-31 | 2010-04-21 | 基宾国际股份公司 | A panel turning device |
| CN101468406B (en) * | 2007-12-26 | 2012-10-17 | 株式会社Idh | Cutting device for large-size workpiece |
| CN101274376B (en) * | 2008-05-23 | 2010-06-02 | 季约德 | Electric cutting device of cold-bending molding machine |
| CN102229006A (en) * | 2011-06-22 | 2011-11-02 | 钟京蕾 | Plate cutting machine |
| CN102554330A (en) * | 2012-03-13 | 2012-07-11 | 赵朝玺 | Self-locking material-pressing plate shearing machine |
| CN106238802A (en) * | 2016-08-17 | 2016-12-21 | 南通东海机床制造集团有限公司 | A kind of mechanical shear trigger |
| CN106889053A (en) * | 2017-01-19 | 2017-06-27 | 重庆市潼南区双江川艺机械厂有限公司 | Weeding wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |