CN113182588A - Rotation accurate positioning device for acid rolling line circle shear - Google Patents
Rotation accurate positioning device for acid rolling line circle shear Download PDFInfo
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- CN113182588A CN113182588A CN202110257685.8A CN202110257685A CN113182588A CN 113182588 A CN113182588 A CN 113182588A CN 202110257685 A CN202110257685 A CN 202110257685A CN 113182588 A CN113182588 A CN 113182588A
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- 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
- B23D19/00—Shearing machines or shearing devices cutting by rotary discs
- B23D19/04—Shearing machines or shearing devices cutting by rotary discs having rotary shearing discs arranged in co-operating pairs
- B23D19/06—Shearing machines or shearing devices cutting by rotary discs having rotary shearing discs arranged in co-operating pairs with several spaced pairs of shearing discs working simultaneously, e.g. for trimming or making strips
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a rotation accurate positioning device of an acid rolling line circle shear, which belongs to the technical field of acid rolling line circle shear equipment and comprises a transmission rack and an operation rack, wherein the bottom of the transmission rack is provided with a rotation locking component, the two sides of the transmission rack are respectively and oppositely provided with a shear blade pair A and a shear blade pair B, the top of the transmission rack is provided with a main stop induction component, a secondary stop induction component A and a secondary stop induction component B, the main stop induction component and the secondary stop induction component A are electrically connected with the rotation locking component through a PLC after being connected in series, and the main stop induction component and the secondary stop induction component B are electrically connected with the rotation locking component through the PLC after being connected in series. Convenient operation and ensures the normal production rhythm.
Description
Technical Field
The invention relates to the technical field of acid rolling line circle shear equipment, in particular to a rotation accurate positioning device of an acid rolling line circle shear.
Background
The disc shear is unpowered pull shear and mainly comprises a base, a sliding seat, a shearing machine frame, a cutter head and the like. The disc shear is provided with a rotary positioning device, a frame width adjusting device, a shear blade horizontal gap adjusting device and a vertical coincidence amount adjusting device. The shear blade is to shearing certain kilometer number or need change the shear blade when collapsing the sword right, and when A shear blade is to changing B shear blade to or B shear blade is to changing A shear blade to the time, transmission frame and operation frame need respectively revolve round, or transmission frame counter-clockwise turning 180, or operation frame clockwise turning 180, two frames should carry out accurate location respectively after rotatory, ensure that the shear blade can lock.
The original rotary positioning device of the disc shear is arranged below a sliding seat of the disc shear, namely, in-place information of the rotary of the disc shear is detected by arranging a position detection switch below the sliding seat, but the space below the sliding seat is narrow, the environmental oil stain is more, the positioning reliability is poor, the fault rate is high, and the maintenance operation difficulty is high; and the rotation positioning of the two frames is inaccurate, the locking of the shearing blades is unreliable, and the shearing blades bounce or shift when shearing the strip steel, so that the width of the sheared strip steel is inaccurate, even the strip steel is scrapped, and the loss is brought to enterprises. The rotary accurate positioning of the rotary shears is to ensure the width of the strip steel, meet the basic conditions of user requirements, and accurately control the width of the cold-rolled sheet strip steel, which is a difficult problem encountered by the control technology.
Disclosure of Invention
In order to solve the technical problem, the invention provides the rotation accurate positioning device of the acid rolling line circle shear, which has the advantages of simple integral structure and convenient installation and maintenance, can lead the circle shear to change the shear blade and carry out accurate positioning quickly, stably and reliably through the combined signal of speed reduction and stop, is convenient to operate, and ensures the normal production rhythm.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: sour rolling line circle shear gyration accurate positioner, including the same transmission frame of structure and the operation frame that sets up relatively, the bottom of transmission frame sets up gyration locking part, transmission frame both sides are provided with A cutting edge respectively relatively right with B cutting edge right, the top of transmission frame is provided with the owner and stops response subassembly, time stop response subassembly A and time stop response subassembly B, the owner stop response subassembly with time stop response subassembly A establish ties after through PLC with gyration locking part electricity is connected with the tool changing position that locking location A cutting edge is right, the owner stop response subassembly with time stop response subassembly B establish ties after through PLC with gyration locking part electricity is connected with the tool changing position that locking location B cutting edge is right.
Further, the main stop sensing assembly comprises a main stop sensor, a main stop sensing block A and a main stop sensing block B, the main stop sensor is arranged above the outer side of the top end of the transmission rack, and the main stop sensing block A and the main stop sensing block B are arranged at the top end of the transmission rack; the distance between the main stop induction block A, the main stop induction block B, the main stop inductor and the central axis of the transmission rack is equal, and the connecting line between the main stop induction block A and the main stop induction block B is superposed with the transverse central line at the top end of the transmission rack.
Furthermore, the top of transmission frame still is provided with speed reduction response subassembly A and speed reduction response subassembly B, speed reduction response subassembly A and speed reduction response subassembly B connect in parallel each other after with through PLC with gyration locking part electricity is connected so that the transmission frame slows down the rotation before stopping.
Further, the deceleration induction assembly A comprises a deceleration induction block A and a deceleration inductor A, the deceleration induction assembly B comprises a deceleration induction block B and a deceleration inductor B, the deceleration induction block A and the deceleration induction block B are arranged at the top end of the transmission rack, and the deceleration inductor A and the deceleration inductor B are respectively arranged on the front side and the rear side above the top end of the transmission rack; the line process between sensing block A and the sensing block B that slows down the top center of transmission frame and with contained angle between the horizontal central line on transmission frame top is the obtuse angle.
Further, the center position department in the transmission frame outside is provided with the main support, the main support sets up to L shape member, the top of main support links to each other with main mounting bracket through adjusting the double-screw bolt, the middle part slidable mounting of main mounting bracket the main inductor that stops, the both sides of main mounting bracket slidable mounting respectively speed down inductor A and speed down inductor B.
Further, the secondary stop induction assembly A comprises a secondary support A, a secondary stop induction block A and a secondary stop inductor A, the secondary support A is arranged on the front side of the transmission rack, the top end of the secondary support A is connected with the secondary stop inductor A, the secondary stop induction block A is arranged on the top end of the transmission rack, and the distance between the secondary stop induction block A and the central axis of the transmission rack is equal to that between the secondary stop induction block A and the secondary stop inductor A.
Further, the secondary stop sensing assembly B comprises a secondary support B, a secondary stop sensing block B and a secondary stop sensor B, the secondary support B is arranged on the rear side of the transmission rack, the top end of the secondary support B is connected with the secondary stop sensor B, the secondary stop sensing block B is arranged on the top end of the transmission rack, and the distances between the secondary stop sensing block B and the central axis of the transmission rack are equal to the distances between the secondary stop sensing block B and the central axis of the secondary stop sensor B; when the secondary stop induction block A is positioned under the secondary stop inductor A and the primary stop induction block A is positioned under the primary stop inductor, a connecting line of the secondary stop induction block B and the secondary stop inductor B in the horizontal direction is intersected with the central axis of the transmission rack, and when the secondary stop induction block B is positioned under the secondary stop inductor B and the primary stop induction block B is positioned under the primary stop inductor, a connecting line of the secondary stop induction block A and the secondary stop inductor A in the horizontal direction is intersected with the central axis of the transmission rack.
Further, inferior support A and inferior support B all set up to L shape member, inferior support A or the top of inferior support B through adjusting the double-screw bolt with inferior mounting bracket links to each other, sliding connection is gone up to inferior mounting bracket inferior stops inductor A or inferior stops inductor B.
Furthermore, the rotary locking component comprises a base, rotating tables, driving motors and hydraulic cylinders, the rotating tables are arranged at two ends of the base respectively, the interior of the base is connected with the two rotating tables through the two driving motors, and the transmission rack and the operation rack are arranged at the upper ends of the two rotating tables respectively; two ends of each rotating platform are further symmetrically provided with two positioning holes respectively, and a hydraulic cylinder opposite to one of the positioning holes is arranged in the base.
The invention has the beneficial effects that:
1. according to the invention, the plurality of groups of stop induction components are respectively arranged at the tops of the transmission rack and the operation rack, and the rotary locking component is enabled to act to position the cutter changing position of the pair A of the shear blades or the pair B of the shear blades by generating a common AND induction signal by every two groups of stop induction components, so that the positioning accuracy is greatly improved, and meanwhile, the technical difficulty that the induction position of the traditional detection switch is not matched with the positioning hole can be more effectively solved.
2. According to the disc shear, the induction assembly is arranged at the tops of the transmission rack and the operation rack, so that the transmission rack and the top of the operation rack are large in space, less in environmental oil pollution, good in positioning reliability, low in failure rate, convenient and quick to mount and dismount, and inconvenience for maintenance and repair of other equipment around the disc shear is avoided.
3. According to the invention, the deceleration sensing assemblies are arranged at the tops of the transmission rack and the operation rack, and the deceleration signals generated by the deceleration sensing assemblies prepare for stopping the sensing signals, so that the problems of over-high rotation speed and large inertia of the transmission rack and the operation rack are avoided, and the positioning accuracy and stability are further improved.
4. The stop induction component and the deceleration induction component comprise inductors and induction blocks, wherein the inductors are arranged on the mounting frame, the mounting frame is connected with the top of a support arranged around the transmission rack or the operation rack through adjusting studs, the height of the inductors can be conveniently and quickly adjusted and disassembled, the inductors are slidably connected to the mounting frame, the induction position of the inductors in the horizontal direction can be conveniently adjusted, and the accuracy of induction positioning can be further improved.
To sum up, this positioner overall structure is simple, and installation and maintenance are convenient, and the combination signal through slowing down and stopping can make circle shear change cutting edge to the time quick, stable, reliable accurate location, and convenient operation has guaranteed normal production rhythm.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the drive housing of FIG. 1;
FIG. 3 is a schematic view of the main mount mounted on the main support;
FIG. 4 is a schematic structural view of the main mount of FIG. 3;
FIG. 5 is a schematic view of the secondary mount mounted on the secondary support A;
FIG. 6 is a schematic view of the secondary mount of FIG. 5;
the labels in the above figures are: 1. the automatic locking device comprises a transmission rack, 2 an operation rack, 3 a rotary locking component, 31 a base, 32 a rotary table, 321 a positioning hole, 33 a driving motor, 34 a hydraulic cylinder, 4.A shear blade pairs, 5.B shear blade pairs, 6 a main stop sensing assembly, 61 a main stop sensor, 62 a main stop sensing block A, 63 a main stop sensing block B, 7 a secondary stop sensing assembly A, 71 a secondary support A, 72 a secondary stop sensing block A, 73 a secondary stop sensor A, 74 a secondary mounting rack, 8 a secondary stop sensing assembly B, 81 a secondary support B, 82 a secondary stop sensing block B, 83 a secondary stop sensor B, 9 a deceleration sensing assembly A, 91 a deceleration sensing block A, 92 a deceleration sensor A, 10 a deceleration sensing assembly B, 101 a deceleration sensing block B, 102 a deceleration sensor B, 11 a main support, 12 a main mounting rack.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The specific implementation scheme of the invention is as follows: as shown in fig. 1 and 2, an accurate positioning device for rotation of a circle shear for acid rolling lines comprises a transmission frame 1 and an operation frame 2 which are oppositely arranged and have the same structure, and the transmission frame 1 and the operation frame 2 have the same structure, so that the following contents are specifically explained by taking the structure of the transmission frame 1 as an example, wherein a rotation locking component 3 is arranged at the bottom of the transmission frame 1, an a shear blade pair 4 and a B shear blade pair 5 are respectively and oppositely arranged at two sides of the transmission frame 1, the shear blade pair between the transmission frame 1 and the operation frame 2 is a working shear blade pair, the shear blade pair at the outer sides of the transmission frame 1 and the operation frame 2 is a spare shear blade pair, the transmission frame 1 can be rotated by 180 degrees clockwise or counterclockwise through the rotation locking component 3, and the a shear blade pair 4 or the B shear blade pair 5 is rotated to a working position, thereby completing tool changing work. The top of the transmission rack 1 is provided with a main stop sensing assembly 6, a secondary stop sensing assembly A7 and a secondary stop sensing assembly B8, the main stop sensing assembly 6 and the secondary stop sensing assembly A7 are connected in series and then electrically connected with the rotary locking component 3 through a PLC to lock and position the cutter changing position of the A cutting edge pair 4, the main stop sensing assembly 6 and the secondary stop sensing assembly B8 are connected in series and then electrically connected with the rotary locking component 3 through the PLC to lock and position the cutter changing position of the B cutting edge pair 5, and the rotary locking component 3 acts to position the cutter changing position of the A cutting edge pair or the B cutting edge pair through the generation of a common AND sensing signal by every two groups of stop sensing assemblies, so that the positioning accuracy is greatly improved, and the technical difficulty that the sensing position of the traditional detection switch is not matched with the positioning hole can be effectively solved; and through stopping the response subassembly setting at the top of transmission frame 1 and operation frame 2 with the multiunit, because the space at transmission frame 1 and operation frame 2 top is big, the environmental grease dirt is few, and positioning reliability is good, and the fault rate is low, installation and dismantlement convenient and fast can not bring inconvenience for other equipment maintenance around the circle shear.
Specifically, the main stop sensing assembly 6 includes a main stop sensor 61, a main stop sensing block a62 and a main stop sensing block B63, the main stop sensor 61 is disposed above the outer side of the top end of the transmission frame 1, the main stop sensing block a62 and the main stop sensing block B63 are disposed at the top end of the transmission frame 1, the main stop sensing block a62, the main stop sensing block B63, the main stop sensor 61 and the central axis of the transmission frame 1 are equidistant, and the connecting line between the main stop sensing block a62 and the main stop sensing block B63 coincides with the transverse center line of the top end of the transmission frame 1, wherein the transverse center line is in the left-right direction in the figure. When the transmission rack 1 rotates anticlockwise, the main stop sensing block a62 moves to the position below the main stop sensor 61, the pair of cutting edges a 4 or the pair of cutting edges B5 rotate to the working position, and when the transmission rack 1 rotates clockwise, the main stop sensing block B63 moves to the position below the main stop sensor 61, the pair of cutting edges a 4 or the pair of cutting edges B5 rotate to the working position.
Specifically, the top of transmission frame 1 still is provided with speed reduction response subassembly A9 and speed reduction response subassembly B10, speed reduction response subassembly A9 and speed reduction response subassembly B10 connect in parallel each other after and be connected so that transmission frame 1 slows down the rotation before stopping through PLC and gyration locking part 3 electricity, the speed reduction signal that speed reduction response subassembly produced prepares for stopping the sensing signal, avoided transmission frame 1 and operation frame 2 slewing speed too fast, the big problem of inertia, further improved the accuracy and the stability of tool changing location.
The deceleration induction component A9 comprises a deceleration induction block A91 and a deceleration inductor A92, the deceleration induction component B10 comprises a deceleration induction block B101 and a deceleration inductor B102, the deceleration induction block A91 and the deceleration induction block B101 are arranged at the top end of the transmission rack 1, and the deceleration inductor A92 and the deceleration inductor B102 are respectively arranged at the front side and the rear side above the top end of the transmission rack 1; the distances between the deceleration induction block A91, the deceleration inductor A92, the deceleration induction block B101 and the deceleration inductor B102 are equal to the central axis of the transmission rack 1, and the connecting line between the deceleration induction block A91 and the deceleration induction block B101 passes through the center of the top end of the transmission rack 1 and forms an obtuse angle with the transverse central line of the top end of the transmission rack 1. When the transmission rack 1 or the operation rack 2 rotates 180 degrees, the deceleration sensing block firstly moves to the lower part of the deceleration sensing block to enable the transmission rack 1 or the operation rack 2 to decelerate and rotate until the main stop sensing block moves to the lower part of the main stop sensor, and meanwhile, the secondary stop sensing block moves to the lower part of the secondary stop sensor, so that a common stop 'and' signal is generated, and the transmission rack 1 or the operation rack 2 can stably and reliably stop rotating.
Specifically, as shown in fig. 1 and 3, a main support 11 is disposed at a central position outside the transmission frame 1, and includes a screw base, an angle iron vertical member and an adjusting rod, the screw base is fixed on a table top at a lower end of the transmission frame 1, an upper end of the screw base is in threaded connection with one end of the angle iron vertical member, the other end of the angle iron vertical member is connected with the L-shaped adjusting rod, so that the whole main support 11 is L-shaped, a fastening nut is disposed at a lower end of the angle iron vertical member, an adjusting nut is disposed at an upper end of the angle iron vertical member, through the height of the adjustable angle steel vertical member of adjusting nut, set up the spool in the angle steel vertical member and both made things convenient for the cable to lay, improved the holistic intensity of main support and stability again, the lower extreme of adjusting the pole is through adjusting the double-screw bolt, the nut links to each other with main mounting bracket 12, the induction height of main mounting bracket 12 of being convenient for, the main inductor 61 that stops of middle part slidable mounting of adjusting main mounting bracket 12, the both sides difference slidable mounting of main mounting bracket 12 slows down inductor A92 and slows down inductor B102.
As shown in FIG. 4, the main mounting frame 12 is a plate shaped like a Chinese character 'wang', and includes a mounting rod I, a mounting rod II, a mounting rod III and a connecting rod, the mounting rod I, the mounting rod II and the mounting rod III are arranged in parallel at equal intervals in sequence and are connected with each other through the connecting rod, one end of the mounting rod II is provided with a main stop sensor 61 through a bolt assembly, the mounting rod I and the mounting rod III are respectively provided with a deceleration sensor A92 and a deceleration sensor B102 through bolt assemblies, the mounting rod I, the mounting rod II and the mounting rod III are respectively provided with a long strip-shaped chute along the length direction thereof, so that the main stop sensor 61, the deceleration sensor A92 and the deceleration sensor B102 can be adjusted left and right along the horizontal direction, the connecting rod is perpendicular to the mounting rod I, the mounting rod II and the mounting rod III, the connecting rod is also provided with a long strip-shaped chute along the length direction thereof, and the mounting rod II and the main stop sensor 61 thereon can be conveniently adjusted back and forth along the horizontal direction, the induction effect is more accurate.
Specifically, as shown in fig. 1 and 2, the secondary stop sensing assembly a7 includes a secondary support a71, a secondary stop sensing block a72 and a secondary stop sensor a73, the secondary support a71 is disposed at the front side of the driving frame 1, the top end of the secondary support a71 is connected to the secondary stop sensor a73, the secondary stop sensing block a72 is disposed at the top end of the driving frame 1, and the distances between the secondary stop sensing block a72, the secondary stop sensor a73 and the central axis of the driving frame 1 are equal. When the secondary stop induction block A72 moves to the lower part of the secondary stop induction block A73 in the process of anticlockwise rotating the transmission frame 1, the A cutting edge pair 4 or the B cutting edge pair 5 rotates to the working position.
Specifically, the secondary stop sensing assembly B8 includes a secondary bracket B81, a secondary stop sensing block B82 and a secondary stop sensor B83, the secondary bracket B81 is disposed at the rear side of the transmission rack 1, the top end of the secondary bracket B81 is connected to the secondary stop sensor B83, the secondary stop sensing block B82 is disposed at the top end of the transmission rack 1, distances between the secondary stop sensing block B82 and the secondary stop sensor B83 and the central axis of the transmission rack 1 are equal, and when the secondary stop sensing block B82 moves below the secondary stop sensor B83 during the clockwise rotation of the transmission rack 1, the a pair of cutting blades 4 or the B pair of cutting blades 5 rotate to the working position. When the sub stop induction block a72 is located directly below the sub stop induction block a73 and at the same time the main stop induction block a62 is located directly below the main stop induction block 61, the line connecting the sub stop induction block B82 and the sub stop induction block B83 in the horizontal direction intersects with the central axis of the drive bay 1; when the secondary stop induction block B82 is located under the secondary stop induction block B83 and the main stop induction block B63 is located under the main stop induction block 61, a connecting line of the secondary stop induction block A72 and the secondary stop induction block A73 in the horizontal direction is intersected with the central axis of the transmission rack 1, and therefore the corresponding secondary stop induction block and the main stop induction block correspondingly and simultaneously accurately output stop signals in the process of tool changing of the transmission rack 1 rotating clockwise and anticlockwise by 180 degrees.
As shown in fig. 5 and 6, the secondary support a71 and the secondary support B81 are both provided with L-shaped rod members, and have the same structure as the main support 11, and are not described herein again, the top end of the secondary support a71 or the secondary support B81 is connected to the secondary mounting bracket 74 through an adjusting stud, so as to adjust the sensing height of the secondary mounting bracket 74, the secondary mounting bracket 74 is slidably connected to the secondary stop sensor a73 or the secondary stop sensor B83, the secondary mounting bracket 74 is provided with a cross-shaped plate, and includes a mounting plate and an adjusting plate, the mounting plate is provided with the secondary stop sensor a73 or the secondary stop sensor B83, and the adjusting plate is provided with a strip-shaped sliding groove along the length direction thereof, so as to adjust the position of the mounted secondary stop sensor a73 or the secondary stop sensor B83 in the horizontal direction, so that the sensing effect is more accurate.
In addition, two main stop inductors 61, two deceleration inductors A92, two deceleration inductors B102, two secondary stop inductors A73 and two secondary stop inductors B83 can be arranged, and the two inductors with the same function are connected in parallel. The distances between the main stop induction block A62, the deceleration induction block A91 and the secondary stop induction block A72 and the central axis of the transmission frame 1 are different, so that the induction blocks with different induction functions are prevented from being induced by the inductors, and misoperation is avoided.
Specifically, as shown in fig. 1, the rotation locking component 3 includes a base 31, a rotating platform 32, a driving motor 33 and a hydraulic cylinder 34, the two ends of the base 31 are respectively provided with the rotating platform 32, the inside of the base 31 is connected with the two rotating platforms 32 through the two driving motors 33, and the upper ends of the two rotating platforms 32 are respectively provided with a transmission rack 1 and an operation rack 2; two positioning holes 321 are symmetrically arranged at two ends of each rotating platform 32, a hydraulic cylinder 34 opposite to one positioning hole 321 is arranged in the base 31, after the driving motor 33 drives the transmission rack 1 or the operation rack 2 needing tool changing to rotate in place, the sensing assembly transmits a sensing signal to hydraulic oil paths of the driving motor 33 and the hydraulic cylinder 34, so that the driving motor 33 stops rotating, a piston rod of the hydraulic cylinder 34 extends into the corresponding positioning hole 321, positioning and locking of the transmission rack 1 or the operation rack 2 are completed, and replacement, locking and positioning of the pair of cutting blades are realized.
The process of adjusting the common stop AND signal generated by the stop sensing elements is: after stopping the inductor, the secondary that corresponds stops inductor and main sensor block location, establish ties the cable that the inductor was stopped with the owner and the cable that the inductor was stopped to the secondary, and other cables are connected as required, and in the secondary sensor below that stops, every direction signal adjustment process is: from signal appearance → signal disappearance → signal reappearance, preceding, back, left and right adjustment time stops the response piece, relapse many times, when the response signal appears, the time of recalling stops the response piece, make the response signal disappear, the response signal disappears and the response signal reappears, there is certain distance, this "distance" is less than the aperture of locating hole 321, should also consider simultaneously that the main response face that stops the inductor and the sensor is stopped to the time as big as possible, further increase the reliability of response, reach the fixed time after the best signal effect and stop the response piece.
The use method of the positioning device comprises the following steps:
when the pair of cutting edges a 4 at the working side of the transmission rack 1 in the figure needs to be replaced, the driving motor 33 below the transmission rack 1 drives the transmission rack 1 to start rotating counterclockwise at a set speed, the deceleration sensing block a91 firstly passes through the secondary bracket B81 and then moves to the position right below the deceleration sensor a92 at one side of the main mounting rack 12, the deceleration sensor a92 generates a deceleration signal to the PLC, the PLC controls the driving motor 33 to decelerate so that the transmission rack 1 continues rotating counterclockwise at a set smaller speed until the main stop sensing block a62 moves to the position right below the main stop sensor 61 at the middle part of the main mounting rack 12, meanwhile, the secondary stop sensing block a72 moves to the position right below the secondary stop sensor a73, the main stop sensor 61 and the secondary stop sensor a73 output a common stop "and" signal to the PLC, the PLC controls the driving motor 33 to stop rotating, and at the same time, the pair of cutting edges B5 rotates to the working side, the piston rod of the hydraulic cylinder 34 extends into the corresponding positioning hole 321, so that the positioning and locking of the transmission rack 1 are completed, and the replacement, locking and positioning of the A shear blade pair 4 are realized.
When the pair of a-blades 4 at the working side of the operating frame 2 in the figure needs to be replaced, the operating frame 2 starts rotating counterclockwise at a set speed under the driving of the driving motor 33, and the replacement locking positioning of the pair of a-blades 4 is completed in the same manner as described above.
To sum up, this positioner overall structure is simple, and installation and maintenance are convenient, and the combination signal through slowing down and stopping can make circle shear change cutting edge to the time quick, stable, reliable accurate location, and convenient operation has guaranteed normal production rhythm.
While the foregoing is directed to the principles of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (9)
1. A rotation accurate positioning device of a circle shear for an acid rolling line is characterized by comprising a transmission frame (1) and an operation frame (2) which are oppositely arranged and have the same structure, a rotary locking component (3) is arranged at the bottom of the transmission frame (1), a shear blade pair A (4) and a shear blade pair B (5) are respectively and oppositely arranged at two sides of the transmission frame (1), the top of the transmission frame (1) is provided with a main stop induction component (6), a secondary stop induction component A (7) and a secondary stop induction component B (8), the main stop induction component (6) and the secondary stop induction component A (7) are electrically connected with the rotary locking component (3) through a PLC after being connected in series so as to lock and position the tool changing position of the shear blade pair A (4), and the main stop induction component (6) and the secondary stop induction component B (8) are connected in series and then are electrically connected with the rotary locking component (3) through a PLC (programmable logic controller) so as to lock and position the tool changing position of the shear blade pair B (5).
2. The rotation precision positioning device of the acid rolling line circle shear of claim 1, characterized in that: the main stop sensing assembly (6) comprises a main stop sensor (61), a main stop sensing block A (62) and a main stop sensing block B (63), the main stop sensor (61) is arranged above the outer side of the top end of the transmission rack (1), and the main stop sensing block A (62) and the main stop sensing block B (63) are arranged at the top end of the transmission rack (1); the distance between the main stop induction block A (62), the main stop induction block B (63), the main stop inductor (61) and the central axis of the transmission rack (1) is equal, and the connecting line between the main stop induction block A (62) and the main stop induction block B (63) is superposed with the transverse central line at the top end of the transmission rack (1).
3. The rotation precision positioning device of the acid rolling line circle shear of claim 2, characterized in that: the top of transmission frame (1) still is provided with speed reduction response subassembly A (9) and speed reduction response subassembly B (10), after connecting in parallel each other speed reduction response subassembly A (9) and speed reduction response subassembly B (10) through PLC with gyration locking part (3) electricity is connected so that transmission frame (1) rotation of slowing down before stopping.
4. The rotation precision positioning device of the acid rolling line circle shear of claim 3, characterized in that: the deceleration induction component A (9) comprises a deceleration induction block A (91) and a deceleration inductor A (92), the deceleration induction component B (10) comprises a deceleration induction block B (101) and a deceleration inductor B (102), the deceleration induction block A (91) and the deceleration induction block B (101) are arranged at the top end of the transmission rack (1), and the deceleration inductor A (92) and the deceleration inductor B (102) are respectively arranged at the front side and the rear side above the top end of the transmission rack (1); the utility model discloses a speed reduction sensing block, transmission frame, line between speed reduction sensing block A (91), speed reduction inductor A (92), speed reduction sensing block B (101), speed reduction inductor B (102) and the distance between the central axis of transmission frame (1) equals, line process between speed reduction sensing block A (91) and the speed reduction sensing block B (101) the top center of transmission frame (1) just the line with contained angle between the horizontal central line on transmission frame (1) top is the obtuse angle.
5. The rotation precision positioning device of the acid rolling line circle shear of claim 4, characterized in that: the center position department in transmission frame (1) outside is provided with main support (11), main support (11) set up to L shape member, the top of main support (11) links to each other with main mounting bracket (12) through adjusting the double-screw bolt, the middle part slidable mounting of main mounting bracket (12) owner stops inductor (61), the both sides difference slidable mounting of main mounting bracket (12) speed reduction inductor A (92) and speed reduction inductor B (102).
6. The rotation precision positioning device of the acid rolling line circle shear of any one of claims 2 to 5, characterized in that: stop response subassembly A (7) including inferior support A (71), time stop response piece A (72) and time stop inductor A (73), inferior support A (71) sets up the front side of transmission frame (1), the top of inferior support A (71) links to each other with time stop inductor A (73), time stop response piece A (72) set up the top of transmission frame (1), time stop response piece A (72), time stop inductor A (73) with the distance between the central axis of transmission frame (1) equals.
7. The rotation precision positioning device of the acid rolling line circle shear of claim 6, characterized in that: the secondary stop sensing assembly B (8) comprises a secondary support B (81), a secondary stop sensing block B (82) and a secondary stop sensor B (83), the secondary support B (81) is arranged on the rear side of the transmission rack (1), the top end of the secondary support B (81) is connected with the secondary stop sensor B (83), the secondary stop sensing block B (82) is arranged on the top end of the transmission rack (1), and the distances between the secondary stop sensing block B (82) and the secondary stop sensor B (83) and the central axis of the transmission rack (1) are equal; when the secondary stop sensing block a (72) is located under the secondary stop sensing block a (73) and simultaneously the primary stop sensing block a (62) is located under the primary stop sensing block (61), a connecting line of the secondary stop sensing block B (82) and the secondary stop sensing block B (83) in the horizontal direction intersects with the central axis of the transmission rack (1), and when the secondary stop sensing block B (82) is located under the secondary stop sensing block B (83) and the primary stop sensing block B (63) is located under the primary stop sensing block (61), a connecting line of the secondary stop sensing block a (72) and the secondary stop sensing block a (73) in the horizontal direction intersects with the central axis of the transmission rack (1).
8. The rotation precision positioning device of the acid rolling line circle shear of claim 7, characterized in that: inferior support A (71) and inferior support B (81) all set up to L shape member, the top of inferior support A (71) or inferior support B (81) is passed through the adjusting screw and is linked to each other with inferior mounting bracket (74), sliding connection goes up on inferior mounting bracket (74) inferior stop inductor A (73) or inferior stop inductor B (83).
9. The rotation precision positioning device of the acid rolling line circle shear of claim 1, characterized in that: the rotary locking component (3) comprises a base (31), rotating tables (32), driving motors (33) and hydraulic cylinders (34), the two ends of the base (31) are respectively provided with the rotating tables (32), the inside of the base (31) is connected with the two rotating tables (32) through the two driving motors (33), and the upper ends of the two rotating tables (32) are respectively provided with the transmission rack (1) and the operation rack (2); two ends of each rotating platform (32) are further symmetrically provided with two positioning holes (321), and a hydraulic cylinder (34) opposite to one positioning hole (321) is arranged in the base (31).
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