CN114473030A - Positioning detection device of flying shear - Google Patents
Positioning detection device of flying shear Download PDFInfo
- Publication number
- CN114473030A CN114473030A CN202210132713.8A CN202210132713A CN114473030A CN 114473030 A CN114473030 A CN 114473030A CN 202210132713 A CN202210132713 A CN 202210132713A CN 114473030 A CN114473030 A CN 114473030A
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- flying shear
- fixed shaft
- positioning
- rotary table
- sensor
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- 238000001514 detection method Methods 0.000 title claims description 19
- 239000002184 metal Substances 0.000 claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D25/00—Machines or arrangements for shearing stock while the latter is travelling otherwise than in the direction of the cut
- B23D25/02—Flying shearing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a positioning and detecting device of a flying shear, which comprises a fixed shaft and a sensor, wherein the fixed shaft and the sensor are arranged on a body of the flying shear, a rotating disc is coaxially arranged on the fixed shaft, a metal sheet is arranged on the peripheral surface of the rotating disc, the sensor is arranged along the radial direction of the rotating disc, and the detecting end of the sensor is over against the peripheral surface of the rotating disc. The metal sheet is arranged on the fixed shaft through the rotary table, the circular rotary table is uniformly stressed when rotating, the radial acting force of the rotary table on the fixed shaft due to the centrifugal force is reduced, meanwhile, the fan-shaped metal blocks are changed into the metal sheet, the overall weight is greatly reduced, the dynamic balance of the rotary table during rotation is further ensured, the probability of bending or breaking of the fixed shaft is reduced, and the failure rate of the flying shear is reduced.
Description
Technical Field
The invention belongs to the technical field of steel plate cutting, and particularly relates to a positioning detection device of a flying shear.
Background
The flying shear is important equipment in the flying shear line for shearing, can lead the motion of a cutter in the horizontal direction to be strictly synchronous with a plate on the premise of normal operation of the production line, and shears a workpiece in a state of being static relative to the plate.
The rotary detection mechanism is arranged on a fixed shaft in transmission connection with an upper cutter of the flying shear and used for sending a shearing stopping signal, the conventional rotary detection mechanism usually comprises a fan-shaped metal block arranged on the fixed shaft, the position of the fan-shaped metal block is detected through a sensor, so that the detection of the rotation angle of the fixed shaft is realized, the position of the upper cutter is finally detected, a stop signal is sent when the upper cutter of the flying shear completes one-time shearing action and is lifted to the highest position, the upper cutter of the flying shear stops acting, and meanwhile, a metal plate which is cut completely on the flying shear is withdrawn.
However, in actual use, the fixed shaft drives the fan-shaped metal block to rotate, under the action of centrifugal force, the metal block generates acting force on the fixed shaft along the radial direction of the fixed shaft, the acting force easily causes the fixed shaft to bend or directly break, and further causes the position of the metal block to be detected by the sensor to make mistakes, when the flying shear stops, the upper cutter cannot return to the highest position, when the metal plate exits, the metal plate easily collides with the upper cutter, so that the flying shear is damaged, and under severe conditions, the position of the metal block cannot be detected by the sensor, so that the flying shear cannot stop, and further serious accidents are caused.
Disclosure of Invention
The invention aims to provide a positioning and detecting device of a flying shear, which aims to solve the technical problem that when a fan-shaped metal block installed on a fixed shaft of the conventional flying shear rotates, the fixed shaft is easily stressed unevenly, so that the fixed shaft is bent or broken, and the flying shear is further damaged.
In order to achieve the purpose, the specific technical scheme of the positioning detection device of the flying shear is as follows:
the positioning detection device of the flying shear comprises a fixed shaft and a sensor which are installed on a flying shear body, wherein a rotary table is coaxially arranged on the fixed shaft, a metal sheet is arranged on the outer peripheral surface of the rotary table, the sensor is arranged along the radial direction of the rotary table, and the detection end of the sensor is right opposite to the outer peripheral surface of the rotary table.
Preferably, in order to reduce the weight of the turntable, reduce the centrifugal force generated when the turntable rotates, reduce the load of the fixed shaft, and reduce the probability of bending or breaking the fixed shaft, the turntable is made of nylon.
Preferably, in order to promote the convenient degree of sheetmetal installation, the through hole has been seted up along its axial in the edge of carousel, the equal integrated into one piece in both sides of sheetmetal is provided with the extension, wear to be equipped with the bolt in the through hole, the both ends of bolt run through two respectively the extension, the both ends of bolt all are provided with the clamp.
Preferably, in order to adjust the installation position of the metal sheet on the rotating disc, the number of the through holes is at least two, and the through holes are uniformly distributed around the central axis of the rotating disc.
Preferably, in order to adjust the weight of each position of the rotating disc, the rotating disc keeps dynamic balance when rotating, so that the probability of bending or breaking of the fixed shaft is reduced, and the gravity block matched with the through hole is detachably connected in the through hole.
Preferably, in order to improve the convenience of installing the rotary table, a positioning part is arranged on the fixed shaft, a fastener is arranged at one end of the fixed shaft, which deviates from the machine body, and the positioning part and the fastener are respectively abutted against the two sides of the rotary table.
Preferably, for the convenient degree of further promotion carousel dismouting, the fastener is including coaxial setting the double-screw bolt on the fixed axle terminal surface, threaded connection has holding nut on the double-screw bolt, be provided with the butt on the holding nut the adapter sleeve of carousel.
Preferably, in order to prevent relative slip between carousel and the fixed axle, promote the precision to fixed axle turned angle detection, the both sides of carousel all are provided with the packing ring, the packing ring cover is established on the periphery of fixed axle, be provided with the skid resistant course on the packing ring.
Preferably, in order to adjust the position of the rotating disc, the rotating disc and the fixed shaft are kept coaxial, the centrifugal force generated when the rotating disc rotates is reduced, and the rotating stability of the rotating disc is improved.
Preferably, in order to improve the mounting firmness of the rotary table, the two washers are provided with even wedge-shaped blocks, the wedge-shaped blocks are uniformly distributed around the axis of the fixed shaft, and the wedge-shaped blocks on the two washers are arranged in a staggered manner.
The positioning detection device of the flying shear has the following advantages: the metal sheet is installed on the fixed shaft through the rotary table, the stress is uniform when the circular rotary table rotates, the radial acting force of the rotary table on the fixed shaft due to the centrifugal force is reduced, meanwhile, the fan-shaped metal blocks are changed into the metal sheet, the overall weight is greatly reduced, the dynamic balance when the rotary table rotates is further guaranteed, the probability that the fixed shaft is bent or broken is reduced, and the failure rate of the flying shear is reduced.
Drawings
Fig. 1 is a schematic view of an installation structure of a positioning and detecting device of a flying shear of the present invention;
FIG. 2 is a schematic view of the mounting structure of the turntable of the present invention;
FIG. 3 is a schematic view of the construction of the gasket of the present invention;
FIG. 4 is a schematic view of the connection structure of the turntable and the metal sheet according to the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
the notation in the figure is: 1. a body; 2. a gasket; 3. a metal sheet; 4. a turntable; 5. fastening sleeves; 6. a sensor; 7. a mounting seat; 8. tightening the nut; 9. a fixed shaft; 10. a stud; 11. a positioning part; 12. a wedge block; 13. a gravity block; 14. a through hole; 15. a bolt; 16. clamping a hoop; 17. an extension portion.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a positioning detection device for a flying shear of the present invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, a positioning and detecting device for a flying shear comprises a fixed shaft 9 and a sensor 6 which are arranged on a flying shear body 1, wherein a rotary table 4 made of nylon is coaxially arranged on the fixed shaft 9, a metal sheet 3 is arranged on the outer peripheral surface of the rotary table 4, a mounting seat 7 is fixed on the body 1, a chute is arranged on the mounting seat 7 along the axial direction of the fixed shaft 9, the sensor 6 is arranged by penetrating through the chute, two fixing nuts are connected with the sensor 6 by screw threads, the sensor 6 is fixed on the mounting seat 7 through the fixing nut, after the fixing nut is loosened, the sensor 6 can slide along the sliding groove, therefore, the position of the sensor 6 is adjusted, the sensor 6 is opposite to the rotary table 4, the sensor 6 is arranged along the radial direction of the rotary table 4, the detection end of the sensor 6 is opposite to the peripheral surface of the rotary table 4, the number of the rotary tables 4 arranged on the fixed shaft 9 can be multiple, and each rotary table 4 is correspondingly provided with the sensor 6 for detection.
When the flying shear is used, the upper cutter of the flying shear works, the fixed shaft 9 is linked with the upper cutter, the fixed shaft 9 rotates along with the action of the upper cutter, the rotary disc 4 is driven to rotate, the sensor 6 detects the position of the metal sheet 3 on the rotary disc 4, the rotation angle of the fixed shaft 9 is further detected, and the stop of the flying shear is further controlled, compared with a fan-shaped metal block, the rotary disc 4 made of nylon has lighter weight, the centrifugal force generated during rotation is small, the load generated on the fixed shaft 9 is also small, the metal sheet 3 has lighter weight and generates small centrifugal force compared with the metal block, when the circular rotary disc 4 rotates, better dynamic balance can be kept, the radial tension generated on the fixed shaft 9 is reduced, the bending and breaking probability of the fixed shaft 9 is reduced, the failure rate of the flying shear is reduced, meanwhile, the flying shear can send out accurate stop signals, and the upper cutter is ensured to be lifted to the highest position when the flying shear stops, prevent the metal plate from colliding with the upper knife when being withdrawn to cause the damage of the metal plate.
Because the installation of the rotary table 4 has deviation and the metal block is installed on the periphery of one side of the rotary table, the dynamic balance can not be completely realized when the rotary table 4 rotates, although the acting force on the fixed shaft 9 is small when the rotary table rotates, the fixed shaft 9 can be bent or even broken under long-term work, in order to prolong the service life of the fixed shaft 9 as much as possible, thereby reducing the failure rate of the flying shear, as shown in fig. 2-3, an even number of through holes 14 are arranged at the edge of the rotary table 4 along the axial direction, the through holes 14 are uniformly distributed around the axial lead of the rotary table 4, the two side end parts of the metal sheet 3 are uniformly provided with extension parts 17 in a forming way, two extension parts 17 of the four extension parts 17 are in one group, two extension parts 17 of the same group are respectively arranged at two ends of one through hole 14, the two through holes 14 adjacent to the extension parts 17 are provided with bolts 15, two ends of the bolts 15 respectively penetrate through the two extension parts 17, clamps 16 are provided at both ends of the insert pin 15 to prevent the insert pin 15 from being separated from the extension 17, and the weight blocks 13 are screwed into the remaining through holes 14.
Even number through hole 14 has been seted up to the edge of carousel 4, and each through hole 14 encircles the axial lead evenly distributed of carousel 4, can guarantee the dynamic balance of carousel 4, connect through hole 14 and extension 17 through bolt 15, can promote the convenient degree of sheetmetal 3 installation, simultaneously through connecting different through holes 14, still can conveniently adjust the position of sheetmetal 3 on carousel 4, promote the convenient degree of equipment installation, set up gravity piece 13 in the through hole 14, through getting the gravity piece of putting in the through hole 14 of different positions, can realize the whole counter weight of carousel 4 and sheetmetal 3 combination and adjust, make wholly reach dynamic balance, in the use, can reduce the load of fixed axle 9, the life of extension fixed axle 9.
When the rotary disc 4 is in actual use, the rotary disc 4 is easy to slide relatively to the fixed shaft 9 due to the inertia effect, so that the actual position of the metal sheet 3 detected by the sensor deviates, and finally when the flying shear is stopped, the upper cutter cannot be lifted to the highest position, therefore, as shown in fig. 4-5, the fixed shaft 9 is provided with a positioning part 11, the end surface of one end of the fixed shaft 9, which is far away from the machine body 1, is coaxially provided with a stud 10, the stud 10 is in threaded connection with a fastening nut 8, the fastening nut 8 is provided with a fastening sleeve 5 which is abutted against the rotary disc 4, the positioning part 11 and the fastening sleeve 5 are respectively abutted against two sides of the rotary disc 4 to fix the rotary disc 4, the two sides of the rotary disc 4 are also provided with gaskets 2, the gaskets 2 are sleeved on the periphery of the fixed shaft 9, the gaskets 2 are provided with rubber layers to realize the antiskid effect, and the inner peripheral surface of the rotary disc 4 is in clearance fit with the outer peripheral surface of the fixed shaft 9, an even number of wedge blocks 12 are arranged on one side, close to the rotary table 4, of each of the two washers 2, the wedge blocks 12 on the same washer 2 are evenly distributed around the axis of the fixed shaft 9, the wedge blocks 12 are all inserted between the inner circumferential surface of the rotary table 4 and the outer circumferential surface of the fixed shaft 9, and the wedge blocks 12 on the two washers 2 are arranged in a staggered mode.
Firstly, the material of the rotary table 4 is nylon, secondly, the rotary table 4 can reduce the total number of the gravity blocks 13 placed in the through holes 14 while keeping dynamic balance, the weight of the rotary table 4 is reduced, further, the inertia of the rotary table 4 during rotation is reduced, the probability of slipping between the rotary table 4 and the fixed shaft 9 is reduced, when the rotary table 4 is installed, the wedge blocks 12 are inserted between the rotary table 4 and the fixed shaft 9, interference fit is realized, the effect of filling the gap between the rotary table 4 and the fixed shaft 9 is achieved, so that friction force is generated between the rotary table 4 and the fixed shaft 9, the relative sliding between the rotary table 4 and the fixed shaft is prevented, meanwhile, the adjustment of the coaxiality between the rotary table 4 and the fixed shaft 9 can be realized during the insertion process of the wedge blocks 12, the dynamic balance state of the rotary table 4 rotation is improved, meanwhile, the rotary table 4 is fastened by the fastening sleeve 5 and the positioning part 11 from two sides, the gasket 2 can be used for keeping the interval between the two adjacent rotary tables 4, and the rubber layer on the upper surface can increase the friction force between the rotary table 4 and the positioning part 11 and the fastening sleeve 5, the probability of relative sliding between the rotary table 4 and the fixed shaft 9 is further reduced, the precision of detecting the rotation angle of the fixed shaft 9 is greatly improved, the precision of sending stop signals by the flying shear is further improved, and the probability of accidents of the flying shear is reduced.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a flying shear location detection device, is including installing fixed axle (9) and sensor (6) on flying shear organism (1), its characterized in that, coaxial carousel (4) that is provided with on fixed axle (9), be provided with sheetmetal (3) on the outer peripheral face of carousel (4), sensor (6) are followed the radial setting of carousel (4), the sense terminal of sensor (6) is just right the outer peripheral face of carousel (4).
2. Flying shear positioning detection device according to claim 1, characterized in that the turntable (4) is made of nylon.
3. The positioning and detecting device of the flying shear according to claim 1 or 2, wherein a through hole (14) is formed at the edge of the rotating disc (4) along the axial direction of the rotating disc, extending portions (17) are integrally formed at both sides of the metal sheet (3), a bolt (15) is inserted into the through hole (14), two ends of the bolt (15) respectively penetrate through the two extending portions (17), and clamps (16) are arranged at both ends of the bolt (15).
4. A flying shear positioning detection device as claimed in claim 3, wherein the number of through-holes (14) is at least two, each through-hole (14) being now evenly distributed around the central axis of the turntable (4).
5. A flying shear positioning and detecting device according to claim 4, characterized in that a matching weight block (13) is detachably connected in the through hole (14).
6. The positioning and detecting device of a flying shear according to claim 1, characterized in that a positioning part (11) is provided on the stationary shaft (9), a fastening member is provided on one end of the stationary shaft (9) facing away from the machine body (1), and the positioning part (11) and the fastening member are respectively abutted against two sides of the rotary disc (4).
7. A positioning and detecting device for a flying shear according to claim 6, wherein the fastener comprises a stud (10) coaxially arranged on the end face of the fixed shaft (9), a fastening nut (8) is connected to the stud (10) in a threaded manner, and a fastening sleeve (5) abutting against the rotary disc (4) is arranged on the fastening nut (8).
8. The flying shear positioning and detecting device according to claim 6, wherein washers (2) are arranged on both sides of the rotary table (4), the washers (2) are sleeved on the periphery of the fixed shaft (9), and an anti-skid layer is arranged on the washers (2).
9. The flying shear positioning detection device according to claim 6, wherein the inner circumferential surface of the rotary disc (4) is in clearance fit with the outer circumferential surface of the fixed shaft (9), and a wedge-shaped block (12) is arranged on one side of the washer (2) adjacent to the rotary disc (4), and the wedge-shaped block (12) is inserted between the inner circumferential surface of the rotary disc (4) and the outer circumferential surface of the fixed shaft (9).
10. The positioning detection device of the flying shear according to claim 9, characterized in that the two washers (2) are each provided with a wedge block (12), the number of the wedge blocks (12) is even, each wedge block (12) is uniformly distributed around the axis of the fixed shaft (9), and the wedge blocks (12) on the two washers (2) are staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132713.8A CN114473030A (en) | 2022-02-14 | 2022-02-14 | Positioning detection device of flying shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210132713.8A CN114473030A (en) | 2022-02-14 | 2022-02-14 | Positioning detection device of flying shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114473030A true CN114473030A (en) | 2022-05-13 |
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ID=81479787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210132713.8A Pending CN114473030A (en) | 2022-02-14 | 2022-02-14 | Positioning detection device of flying shear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114473030A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0052084A1 (en) * | 1980-11-11 | 1982-05-19 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Improvements to flying shears and flying shears thus improved |
| CN204035235U (en) * | 2014-07-11 | 2014-12-24 | 中国矿业大学 | A kind of flying shear electric control system zero-bit safety detection device |
| CN204568693U (en) * | 2014-12-22 | 2015-08-19 | 天津诺泰克传动技术有限公司 | Motorized pulleys |
| CN113765301A (en) * | 2021-09-09 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Magnetic suspension motor and method for improving dynamic balance debugging accuracy |
-
2022
- 2022-02-14 CN CN202210132713.8A patent/CN114473030A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0052084A1 (en) * | 1980-11-11 | 1982-05-19 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Improvements to flying shears and flying shears thus improved |
| CN204035235U (en) * | 2014-07-11 | 2014-12-24 | 中国矿业大学 | A kind of flying shear electric control system zero-bit safety detection device |
| CN204568693U (en) * | 2014-12-22 | 2015-08-19 | 天津诺泰克传动技术有限公司 | Motorized pulleys |
| CN113765301A (en) * | 2021-09-09 | 2021-12-07 | 鑫磊压缩机股份有限公司 | Magnetic suspension motor and method for improving dynamic balance debugging accuracy |
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