CN201659324U - Flying shear - Google Patents
Flying shear Download PDFInfo
- Publication number
- CN201659324U CN201659324U CN2009201289244U CN200920128924U CN201659324U CN 201659324 U CN201659324 U CN 201659324U CN 2009201289244 U CN2009201289244 U CN 2009201289244U CN 200920128924 U CN200920128924 U CN 200920128924U CN 201659324 U CN201659324 U CN 201659324U
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- CN
- China
- Prior art keywords
- flywheel
- shaft
- fixed
- gear
- bent axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000010008 shearing Methods 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000000875 corresponding Effects 0.000 claims abstract description 3
- 230000002146 bilateral Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 230000001808 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 210000000515 Tooth Anatomy 0.000 description 3
- 230000037250 Clearance Effects 0.000 description 2
- 230000035512 clearance Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 206010043431 Thinking abnormal Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002153 concerted Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The utility model discloses a flying shear used for shearing bar materials, which comprises upper and lower crank shafts, a high-speed shaft, a flywheel shaft, upper and lower link mechanisms, blades, a flywheel, a fixed gear, a flywheel guard and a shifting fork mechanism, wherein one end of the upper and lower crank shafts is fixed, the other end is nomadic, the upper and the lower crank shafts are fixed in a closed gear case consisting of a case seat, a case body and a case cover via corresponding bearings, the flywheel shaft is arranged symmetrically with the high-speed shaft, the upper and the lower link mechanisms are connected with pin shafts at the front ends of the upper and the lower crank shafts, the blades are fixed on the upper and the lower link mechanisms, the flywheel is fixed on the transmission side of the flywheel shaft via a bearing, and the fixed gear is in interference fit with the flywheel shaft, the shafts are transmitted via the meshing of gears, and the separation and reunion between the flywheel and the flywheel shaft are realized by the shifting fork mechanism. The flying shear adopts a four-shaft structure, improves the stress state of a transmission crank shaft, prolongs the service life of a shearing crank shaft, improves the shearing precision of the flying shear, can change the rotary inertia of the transmission device according to the size of the shearing cross section, has compact structure and is convenient to use.
Description
Technical field
The utility model belongs to the rolling machinery field, relates to a kind of for shearing the flying shearing machine that bar is used.
Background technology
In the bar production workshop, flying shear carries out the equipment of lateral shear as the rolled piece to motion, be used for crop, back-end crop, cataclasm, cut scale etc., in rolling flow process, play an important role.As shown in Figure 1: the crank flying shear body construction that generally has the one-level speed reducing ratio adopts three through-drive, and a high speed shaft is that motor power shaft 10 adds upper and lower two bent axles 7 and 11, is triangularly arranged.There are the following problems for this class formation flying shear: the one, upper and lower bent axle 7 and 11 stressed asymmetric, line of action of force is unreasonable, after long-term operation, following bent axle 11 may damage prior to last bent axle 7, this runs counter to the same equivalent life principle of Machine Design; The 2nd, because of being subjected to the reason of force direction, in radial load Fx, Fy and the F that makes a concerted effort thereof, power Fx can cause down bent axle 11 horizontal curvatures, will influence blade clearance under long-term work or bad working environments, finally has influence on the cross section quality of shear effect and rolled piece.In addition, complete flying shearing machine row comprise equipment such as motor, flywheel, reductor, flying shear body, shaft coupling, adopt cascaded structure between these equipment usually, cause whole flying shearing machine array structure not compact, and it is big to take up space, and is unfavorable for the workshop layout.
Summary of the invention
At the problems referred to above, the purpose of this utility model is to provide that a kind of stress equalization, long service life, shear effect are good, compact conformation, easy to use for shearing the flying shearing machine that bar is used, and can effectively improve the workshop space availability ratio.
The utility model adopts such technical scheme to realize, a kind of for shearing the flying shearing machine that bar is used, it comprises with an end fixes, the form that one end moves about, and by corresponding bearing fixing upper and lower bent axle and high speed shaft in the closed gear-box of forming by block, casing and case lid, upper and lower linkage that is connected with the front end bearing pin of upper and lower bent axle and the blade that is fixed on the upper and lower linkage; It is characterized in that: following bent axle opposite side, with the high speed shaft symmetric arrangement have flywheel shaft, flywheel by bearing fixing at the flywheel shaft transmission side; Be close to the flywheel left side fixed gear and flywheel shaft interference fit are arranged; Shifting fork mechanism is fixed on the flywheel guard in the installing hole; Wherein flywheel shaft one end is fixed, and an end moves about, and by bearing fixing in closed gear-box.
Carry out transmission by gears engaged between the upper and lower bent axle of above-mentioned flying shearing machine, high speed shaft and the flywheel shaft; Carry out clutch with shifting fork mechanism between flywheel and the flywheel shaft.
In order to improve the stressed and gears engaged situation of bent axle down, improve service life, make flying shear rationally distributed, more compact structure, the utility model has been set up flywheel shaft; Flywheel shaft and high speed shaft are arranged symmetrically in down the bent axle both sides.
High speed shaft is connected with motor by shaft coupling during work, and with synchronizing motors, this axle rotates the bent axle reduction of speed with following bent axle by gears engaged, and following bent axle drives flywheel shaft by gears engaged and rotates, and correspondingly drives flywheel rotation energy reserve.Because equipment such as shaft coupling, reductor are arranged, also have certain rotary inertia at the input of motor this moment, can energy storage; Therefore motor side and all generation speed of flywheel end are fallen and are released energy when shearing, thereby flying shear is formed dual input, and it is stressed more reasonable to make it cut axle up and down, and cutting performance is got a promotion.
In addition, the utility model when shearing, last bent axle and following bent axle synchro-meshing, speed ratio is 1.As can be known stressed by analyzing, owing to adopted high speed shaft and flywheel shaft symmetric arrangement, changed into by single radial load Fx and be subjected to two opposite force Fx1 and Fx2, and Fx1 and Fx2 major part can have been offset, have only very little radial load to exist, thereby will drop to minimum the influence of blade clearance.For tangential force, originally played bent axle to be subjected to tangential force Ft, driving the commentaries on classics distance is Ft * R; Guarantee same driving commentaries on classics distance now, in this structure, change apart from value and be (Ft1+Ft2) * R, tangential force Ft1 after promptly improving or Ft2 are all less than Ft, even can reduce to half of Ft, reducing of tangential force reduced joggled strength, thereby reduced the force intensity that is subjected to of single tooth, improved service life.
In the flying shearing machine course of work, the utility model high speed shaft and following bent axle by gear with certain speed ratio engaged transmission; Following bent axle and flywheel shaft by gear with certain speed ratio engaged transmission; Upper and lower two bent axles are by upper and lower gears engaged, and rotating speed equates that direction is opposite.
For convenience of the installing/dismounting of flywheel, flywheel is by the end of bearing suspension in flywheel shaft; Be close to the fixed gear and the flywheel shaft interference fit of flywheel left end, the fixed gear two ends position with axle sleeve and axle head baffle plate respectively, prevent the gear axial float; Wherein, the axle head baffle plate is screwed at flywheel shaft transmission side end face, and axle sleeve places flywheel fixing with between bearing and the fixed gear.When needs dismounting flywheel, the screw and the axle head baffle plate of flywheel shaft transmission side are taken apart, shift out fixed gear and axle sleeve, just can easily flywheel be removed.
Simultaneously for the sake of security, for flywheel is provided with flywheel guard; Flywheel guard is by being bolted on the base plate, and base plate is by being bolted on the foundation of civil work.
Because flying shear needs flywheel at the big section bar of shearing, and when shearing the spillikin material, need flying shear to start soon, brake in time, flywheel with big inertia be unwanted also be irrational, therefore these flying shearing machine have adopted shifting fork mechanism to come flywheel and flywheel shaft are carried out clutch, make flying shearing machine satisfy different size bar material cutting needs.
In order be as required flywheel to be realized clutch, step-like flywheel small end periphery design has external tooth, so as with the slip gear ring in mesh, and the slip gear ring can with fixed gear in mesh, thereby finish the clutch of flywheel and flywheel shaft indirectly.
Shifting fork mechanism is made up of declutch shift shaft, shift fork and handle, slip gear ring; Wherein declutch shift shaft is fixed on the flywheel guard by the installing hole of flywheel guard both sides, and handle and shift fork are by being bolted on the declutch shift shaft, and the other end of shift fork is embedded in the groove of slip gear ring outer surface, is with groove to be slidingly matched;
When shearing light section bar does not need flywheel, drive shift fork by handle the slip gear ring is dialled in the flywheel side, flywheel and flywheel shaft break away from engagement, and flywheel shaft rotates separately, the rotary inertia of whole unit reduces, the purpose that makes flying shear reach rapid startup, in time brake.When needing flywheel when the big section bar of shearing needs flywheel, shift fork dials the slip gear ring in the fixed gear side, slip gear ring and fixed gear engagement, and flywheel shaft and flywheel mesh together rotation by the slip gear ring.
Described shifting fork mechanism can realize that the similar device of clutch action replaces with clutch etc.
The case lid of going up the bent axle place described in the utility model is a circular arc.
The utility model can by changing or making up the rotary inertia that different flywheels change transmission device, be realized the shearing of big section bar according to the shearing area size.
In the utility model, can also adopt many kinematic axis structures, but comprise two bent axles, a high speed shaft and a flywheel shaft at least.
The utility model is different from traditional three-axis structure, and by adopting four axle construction, flywheel shaft and high speed shaft are arranged symmetrically in down the bent axle both sides, make down the stressed symmetry of bent axle, have improved the stress of driving crank, solves the unbalanced problem of crankshaft designs life-span of shearing; Adjusted simultaneously and be subjected to the line of force, guaranteed the shear blade sideshake, improved shear precision; The utility model is arranged on flywheel, flywheel shaft and high speed shaft, upper and lower bent axle in the casing, makes to have improved the space availability ratio in workshop by compact conformation, and can vary in size according to shearing area, changes the rotary inertia of transmission device, and is easy to use.
Description of drawings
Fig. 1 is traditional flying shear axle system's layout and stressed diagram;
Fig. 2 is that the utility model axle system arranges and stressed diagram;
Fig. 3 is the utility model fore side structure chart;
Fig. 4 is the utility model transmission side structure chart;
Fig. 5 is the utility model flywheel part assembling front view;
Fig. 6 is the side view of Fig. 5;
Among the figure, the 1-block; The 2-flywheel shaft; The 3-lower shaft gear; The 4-casing; The last shaft gear of 5-; The 6-case lid; The last bent axle of 7-; The last linkage of 8-; The 9-blade; The 10-high speed shaft; Bent axle under the 11-; 12-lower link mechanism; The 13-shifting fork mechanism; The 14-flywheel; 15 flywheel guards; The 16-handle, 17-declutch shift shaft, 18-shift fork, 19-axle sleeve, 20-fixed gear, 21-screw, 22-axle head baffle plate, 23-slip gear ring, 24-base plate.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing, but the utility model not only is confined to this.
A kind of for shearing the flying shearing machine that bar is used, it comprises upper and lower bent axle 7,11, high speed shaft 10, flywheel shaft 2, upper and lower linkage 8,12, blade 9, shifting fork mechanism 13, flywheel 14, flywheel guard 15, fixed gear 20, and the closed gear-box of being made up of block 1, casing 4 and case lid 6; Wherein, bent axle 11 both sides under flywheel shaft 2 and high speed shaft 10 symmetric arrangement; Upper and lower bent axle 7,11, high speed shaft 10, flywheel shaft 2 one ends are fixed, and an end moves about, and by bearing fixing in closed gear-box; At the flying shearing machine fore side, upper and lower linkage 8,12 is connected by the front end of bearing pin with upper and lower bent axle 7,11, is fixed with the blade 9 of shearing usefulness on the upper and lower linkage 8,12; At the flying shearing machine transmission side, flywheel 14 by bearing fixing on flywheel shaft 2; Fixed gear 20 is close to the left end of flywheel 14, and with flywheel shaft 2 interference fit; Fixed gear 20 two ends position with axle sleeve 19 and axle head baffle plate 22 respectively; Wherein axle head baffle plate 22 usefulness screws 21 are fixed on flywheel shaft 2 transmission side end faces, and axle sleeve 19 places between the bearing and fixed gear 20 of fixing flywheel 14 usefulness; The flywheel 14 outer flywheel guards 15 that are provided with; Flywheel guard 15 is connected with base plate 24 on being fixed on foundation of civil work by bolt; Shifting fork mechanism 13 is fixed on the flywheel guard 15 in the installing hole.
In the present embodiment, carry out transmission by gears engaged between upper and lower bent axle 7,11, high speed shaft 10 and the flywheel shaft 2.High speed shaft 10 is connected with motor by shaft coupling, high speed shaft 10 starts with certain speed and quickens, gear on the high speed shaft 10 drives down by the engagement with lower shaft gear 3, and bent axle 11 rotates, following bent axle 11 drives lower link mechanism fixed thereon 12 by the certain track motion, make upper and lower shaft gear 5,3 engagements with the rotation of bent axle 11 at present, bent axle 7 rotations in the driving drive last linkage fixed thereon 8 by the certain track motion, make blade 9 realize shearing.Because lower shaft gear 3 and the gears engaged that is fixed on the flywheel shaft, following bent axle 11 also drive flywheel shaft 2 rotation energy storage when rotating.Wherein, last shaft gear 5, lower shaft gear 3 rotating speeds equate that direction is opposite.
Present embodiment is realized the clutch of flywheel 14 and flywheel shaft 2 by shifting fork mechanism 13.Wherein flywheel 14 is step-like, and its small end periphery is designed to outer toothing, in order to cooperate with slip gear ring 23.
Shifting fork mechanism 13 is made up of declutch shift shaft 17, shift fork 18, handle 16 and slip gear ring 23; Wherein declutch shift shaft 17 is fixed on the flywheel guard 15 by the installing hole of flywheel guard 15 both sides; Handle 16 and shift fork 18 are by being bolted on the declutch shift shaft 17, and the other end of shift fork 18 is embedded in the groove of slip gear ring 23 outer surfaces, is with groove to be slidingly matched.Slip gear ring 23 both with in the flywheel 14 small end external tooths meshed, and also with in the fixed gear 20 meshed.
When shearing the light section bar, the shift fork 18 that turning handle 16 drives in the shifting fork mechanisms 13 moves, with 23 groups of slip gear rings in flywheel 14 sides, slip gear ring 23 breaks away from engagement with fixed gear 20, make flywheel 14 and flywheel shaft 2 break away from engagement, flywheel 14 is motionless, and flywheel shaft 2 rotates separately; When flying shear is being sheared big section bar and is being needed flywheel 14, by handle 16 drive shift forks 18 with 23 groups of slip gear rings in fixed gear 20 sides, engagement in slip gear ring 23 and the fixed gear 20, flywheel shaft 2 rotates together by slip gear ring 23 drive flywheels 14.
Claims (9)
1. flying shearing machine, it comprises that block (1), casing (4) and case lid (6) form closed gear-box, fix with an end, the form that one end moves about and by upper and lower bent axle (7), (11), the high speed shaft (10) of corresponding bearing fixing in closed gear-box, upper and lower linkage (8), (12) that are connected with upper and lower bent axle (7), (11) front end bearing pin and be fixed on blade (9) on upper and lower linkage (8), (12); It is characterized in that: be furnished with flywheel shaft (2) at following bent axle (11) opposite side; Flywheel (14) by bearing fixing at flywheel shaft (2) transmission side; Be close to flywheel (14) left side fixed gear (20) and flywheel shaft (2) interference fit are arranged; Shifting fork mechanism (13) is fixed on flywheel guard (15) and goes up in the installing hole; Wherein flywheel shaft (2) one ends are fixed, and an end moves about, and by bearing fixing in closed gear-box.
2. flying shearing machine as claimed in claim 1 is characterized in that: described high speed shaft (10) and described flywheel shaft (2) are arranged in following bent axle (11) bilateral symmetry.
3. flying shearing machine as claimed in claim 1 is characterized in that: described high speed shaft (10) and described down bent axle (11) by gear with certain speed ratio engaged transmission; Described down bent axle (11) with described flywheel shaft (2) by gear with certain speed ratio engaged transmission; Described upper and lower two bent axles (7), (11) are by upper and lower gear (3), (5) engagement, and upper and lower two bent axles (7), (11) rotating speed equate that direction is opposite.
4. flying shearing machine as claimed in claim 1 is characterized in that: described fixed gear (20) is close to described flywheel (14) left end, and fixed gear (20) two ends are used axle sleeve (19) and axle head baffle plate (22) location respectively; Wherein, axle head baffle plate (22) is fixed on flywheel shaft (2) transmission side end face with screw (21), and axle sleeve (19) places between the bearing and fixed gear (20) of fixing flywheel (14) usefulness.
5. flying shearing machine as claimed in claim 1 is characterized in that: described flywheel (14) is for step-like, and its small end periphery is provided with external tooth.
6. flying shearing machine as claimed in claim 1 is characterized in that: shifting fork mechanism (13) is made up of declutch shift shaft (17), shift fork (18), handle (16) and slip gear ring (23); Wherein declutch shift shaft (17) is fixed on the flywheel guard (15) by the installing hole of flywheel guard (15) both sides, and handle (16) is fixed on the declutch shift shaft (17) by Bolt Connection with shift fork (18); The other end of shift fork (18) is embedded in the groove of slip gear ring (23) outer surface, is with groove to be slidingly matched; Slip gear ring (23) is an inner gear structure, can mesh with the outer flank of tooth of flywheel (14) small end, also can mesh with fixed gear (20) is interior.
7. as claim 1 or 6 described flying shearing machine, it is characterized in that: shifting fork mechanism (13) can realize that the similar device of clutch action replaces with clutch etc.
8. flying shearing machine as claimed in claim 1 is characterized in that: the case lid that last bent axle (7) is located is a circular arc.
9. flying shearing machine as claimed in claim 1 is characterized in that: the outer flywheel guard (15) that is provided with of flywheel (14), flywheel guard (15) is connected with base plate (24) on being fixed on foundation of civil work by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201289244U CN201659324U (en) | 2009-09-21 | 2009-09-21 | Flying shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201289244U CN201659324U (en) | 2009-09-21 | 2009-09-21 | Flying shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201659324U true CN201659324U (en) | 2010-12-01 |
Family
ID=43229734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201289244U Expired - Fee Related CN201659324U (en) | 2009-09-21 | 2009-09-21 | Flying shear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201659324U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028776A (en) * | 2013-01-08 | 2013-04-10 | 中冶东方工程技术有限公司 | Start-stop type crank cold flying shear |
| CN103192130A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | Combined flying shear |
| CN105382230A (en) * | 2015-11-30 | 2016-03-09 | 太原科技大学 | Energy-saving continuous casting billet shearing unit |
| CN112589187A (en) * | 2020-12-01 | 2021-04-02 | 宝钢特钢韶关有限公司 | Bending eliminating device for flying shear, multiple length segmenting device and multiple length segmenting method |
-
2009
- 2009-09-21 CN CN2009201289244U patent/CN201659324U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028776A (en) * | 2013-01-08 | 2013-04-10 | 中冶东方工程技术有限公司 | Start-stop type crank cold flying shear |
| CN103028776B (en) * | 2013-01-08 | 2015-12-23 | 中冶东方工程技术有限公司 | The cold flying shearing machine of a kind of start stop mode crank |
| CN103192130A (en) * | 2013-04-12 | 2013-07-10 | 北京首钢国际工程技术有限公司 | Combined flying shear |
| CN103192130B (en) * | 2013-04-12 | 2015-08-05 | 北京首钢国际工程技术有限公司 | Combined type flying shear |
| CN105382230A (en) * | 2015-11-30 | 2016-03-09 | 太原科技大学 | Energy-saving continuous casting billet shearing unit |
| CN112589187A (en) * | 2020-12-01 | 2021-04-02 | 宝钢特钢韶关有限公司 | Bending eliminating device for flying shear, multiple length segmenting device and multiple length segmenting method |
| CN112589187B (en) * | 2020-12-01 | 2021-11-16 | 宝钢特钢韶关有限公司 | Bending eliminating device for flying shear, multiple length segmenting device and multiple length segmenting method |
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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: 20101201 Termination date: 20180921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |