CN104368734A - Numerical control vertical hot ring rolling mill and control method - Google Patents
Numerical control vertical hot ring rolling mill and control method Download PDFInfo
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- CN104368734A CN104368734A CN201410535981.XA CN201410535981A CN104368734A CN 104368734 A CN104368734 A CN 104368734A CN 201410535981 A CN201410535981 A CN 201410535981A CN 104368734 A CN104368734 A CN 104368734A
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Abstract
The invention provides a numerical control vertical hot ring rolling mill and a control method. The numerical control vertical hot ring rolling mill comprises a rack, a roller mechanism, a measuring roll mechanism, a guide roll mechanism, a core roll mechanism, a feed mechanism and a control device. A ball screw is driven by a servo motor to drive a rolling wheel to move. The measuring roll mechanism is a follow-up measuring roll mechanism provided with a displacement sensor. The position can be adjusted through a lead screw to adapt to measuring of ring pieces of different dimensions and specifications in the rolling process. Parameters are input into a PLC, and numerical control of the vertical hot ring rolling process is achieved. By means of the numerical control vertical hot ring rolling mill and the control method, manpower can be saved, materials can be saved, the part forming accuracy can be improved, and the subsequent machine machining amount and the rejection rate can be reduced.
Description
Technical field
The invention belongs to the technical field of Vertical Heat machine for rolling ring, particularly relate to the hot machine for rolling ring of a kind of digital control vertical and control method.
Background technology
Vertical Heat machine for rolling ring is the common equipment of the middle-size and small-size ring parts rolling forming of below Φ 1000mm, belongs to radial rolling.China is ring manufacture and uses big country, and have various hot machine for rolling ring thousands of, but hot rolling ring production mechanization, automaticity are lower, the on-line measurement of hot rolling ring is obvious with process control integral level gap compared with international most advanced level.Traditional Vertical Heat machine for rolling ring drives roll milling wheel to carry out rectilinear motion by cylinder or oil cylinder by the parts such as piston rod and slide block, realize spreading feeding, feeding process is controlled by manual operation, guide roller and measuring roller maintain static in the operation of rolling, the operation of rolling by artificial visually examine, when ring outer wall is close to measuring roller, feed-disabling, the upwards backhaul of Artificial Control roll milling wheel, takes out ring, completes and once circulate.The uncertain factor controlled due to artificial visually examine is a lot, and shaping ring quality is differed, and forces hot rolling ring technique to take the countermeasure of high tolerance, large allowance, causes the drawback that forging precision is low, raw materials consumption is large.For improving traditional vertical hot machine for rolling ring automation rolling level and production efficiency, reduce cost of labor, improve quality and the precision of ring, and save the cost of buying Novel vertical hot ring machine, numerical control transformation is carried out to the hot machine for rolling ring of existing traditional vertical there is great practical significance and the wide market demand.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned Problems existing, provides the hot machine for rolling ring of a kind of digital control vertical and control method, can realize the NC postprocessing of Vertical Heat machine for rolling ring.
The present invention solves the problems of the technologies described above adopted technical scheme: the hot machine for rolling ring of a kind of digital control vertical, comprise frame, mill roll mechanism, measuring roll mechanism, guide roller mechanism, core roller mechanism, feed mechanism, control device, described mill roll mechanism comprises roll milling wheel, slide block and roller motor, the radial centre lines of described measuring roll mechanism and the vertical center line of described frame are 50 ° ~ 60 ° angles, the radial centre lines of described guide roller mechanism and the vertical center line of frame are 60 ° ~ 70 ° angles, the longitudinal center line of described core roller mechanism and the vertical vertical and intersectant centerline of frame, described roll milling wheel is located at directly over the core roller of core roller mechanism, the measuring roller of measuring roll mechanism is located at the lower left of the core roller of core roller mechanism, the guide roller of guide roller mechanism is located at the lower right of the core roller of core roller mechanism, the output shaft of described roller motor is connected with power transmission shaft one end by Hooks coupling universal coupling, the other end of described power transmission shaft is connected with described roll milling wheel, power transmission shaft other end termination is connected with described slide block, slide block can slide up and down along the guide rail be arranged in frame, it is characterized in that, described slide block is connected with the input of the first displacement transducer, described feed mechanism comprises servomotor, decelerator, ball-screw and connection for transmission device, the power transmission shaft of described servomotor is connected with the power shaft of described decelerator, and the top and bottom of described ball-screw are connected respectively by the output shaft of described connection for transmission device and described decelerator, slide block, described measuring roll mechanism comprises housing, sleeve, sleeve leading screw, positioner, piston rod, second displacement sensor and measuring roller, described housing is coated at described sleeve, housing periphery is provided with feather key and contacts with excircle of sleeve side face, sleeve one end is stretched out shell one end and is fixedly linked by centring sleeve and housing, sleeve inner is stretched into from the sleeve other end in described sleeve leading screw one end, the sleeve leading screw other end is fixedly linked by described positioner and housing, described piston rod one end is connected with measuring roller by core roller bearing pin, the piston rod other end stretches into sleeve inner from sleeve one end, piston rod is connected with sleeve by linear bearing and linear bearing end cap, the input of described second displacement sensor is connected with piston rod, described control device is PLC, described PLC input is connected with the output of described first displacement transducer, second displacement sensor respectively, the output of PLC is connected with described servomotor, roller motor respectively, controls startup and the stopping of roller motor and servomotor.
By such scheme, described connection for transmission device comprises hollow cylinder, terminal pad, nut seat and guide ring, described terminal pad top is connected with bottom described decelerator, described hollow cylinder top is connected with bottom terminal pad, hollow cylinder bottom connection guide ring, disc is provided with between hollow cylinder and terminal pad contact surface, the upper end outer circumferential face of described ball-screw is connected by bearing with the described upper and lower two ends of terminal pad inwall respectively, the lower end connection wire rod nut of ball-screw, described feed screw nut outer cover connected nut seat, described guide ring inner ring surface and described nut seat outer circumference surface phase configuration, nut seat bottom centre has screw, be connected with described slider top by bolt, the contact surface of nut seat bottom face and slide block is provided with convex-concave ball pad, the contact surface of bolt head and slide block is provided with convex-concave ball pad.
By such scheme, described sleeve one end inwall is provided with first step and second step, it is inner that termination, sleeve one end is located at by described linear bearing, located by described first step, described linear bearing end cap is connected with the end face of sleeve one end, spring is provided with between described linear bearing afterbody and described second step, described piston rod is the cylindrical bar that termination, one end is provided with " U " type groove, the other end of piston rod has endoporus vertically, described second displacement sensor is located in described endoporus, described measuring roller is located in " U " type groove and is also connected with groove both sides by described core roller bearing pin, the other end of described piston rod and described linear bearing phase configuration, the outer circumference surface of piston rod has rectangular recess, be provided with spacer pin in described rectangular recess to position, described spacer pin is secured by bolts on described sleeve, second displacement sensor output end socket draw-in groove flange, described draw-in groove flange is connected with the other end termination of piston rod, sensor magnetosphere is provided with between draw-in groove flange and plunger rod contacts face, draw-in groove flange and described spring interface touch.
By such scheme, described positioner comprises position fixing handle, plane axis bearing, plane bearing and plane bearing end cap, described plane axis bearing one end end face is connected with described housing end face, described sleeve leading screw afterbody is connected with plane axis bearing by described plane bearing, plane bearing other end end face is connected with described plane bearing end cap, and described position fixing handle is installed on described plane axis bearing outer circumference surface.
A control method for the hot machine for rolling ring of digital control vertical, manually boots described servomotor first, drives described roll milling wheel to move to and just contacts with described core roller outer wall, write down the shift value L of now described slide block
1, by L
1be worth " the mould limit " value as slide block, then drive roll milling wheel to reset;
Be contained in by ring blank on core roller, manual actuation roll milling wheel moves to and just contacts with ring blank outer wall, writes down the shift value L of now described slide block
2, by L
2with the difference of the wall thickness deviation A of ring blank " F.F. " amount of feeding as slide block, the described amount of feeding is divided into one, two, three works enter the amount of feeding, the feed speed in each feeding stage is set according to the principle of ladder reduction of speed feeding, after the feeding stage terminates, a full circle stage is set, this stage inner slide feed-disabling also keeps a period of time, i.e. " full circle time ", be set to T, by described one, two, the summation that three works enter the amount of feeding adds that the gap value of an expediently blanking is measured as " backhaul ", then manual actuation roll milling wheel resets and takes off ring blank, core roller is loaded onto standard ring, drive roll milling wheel to move to fit with standard ring outer wall and compress, write down the shift value L of now guide roller
3,
Utilize described sleeve leading screw to regulate the position of described measuring roller, make measuring roller outer wall and described standard ring outer wall fit and compress, by " displacement of measuring roller " value L
4with the difference of the ring blank external diameter value added B in described " full circle time " as " full circle shift value ", manual actuation roll milling wheel resets and takes off standard ring, utilizes described position fixing handle to lock measuring roller;
By above-mentioned L
1, L
2, " backhaul " amount, " F.F. " amount of feeding, L
3, L
4, " full circle shift value ", " full circle time " parameters value input described PLC, empty wagons runs for several times, checks that whether each optimum configurations accurate;
Confirm that the described roller motor of errorless rear startup starts ring examination and rolls, PLC sends enabled instruction to servomotor, roll milling wheel is driven to start F.F., and fast near blank outer wall, first displacement transducer and second displacement sensor are measured the shift value of roll milling wheel and measuring roller in real time respectively and are fed back to PLC, and PLC is by comparing value of feedback and L
1and L
4transmission instruction control roll milling wheel proceeds to a work successively and enters, two works are entered, advanced section of three works, advanced section of work, the reduction of ring wall thickness, enlarged-diameter, cross section profile are shaped, and ring outer wall promotes measuring roller and moves, PLC is by comparing and measuring value of feedback and " the full circle shift value " of roller displacement transducer, when arriving " full circle shift value " in the advanced section of measuring roller displacement of three works, or advanced section of three works complete, or slider displacement sensor feedback value arrives L
1, PLC controls roll milling wheel feed-disabling, namely enters the full circle stage, and the roll milling wheel of PLC control afterwards returns, and ring rolling process terminates;
Adjust above-mentioned parameters value according to forging ' s block dimension and the examination situation of rolling, when ring size under gauge, what increase measuring roller moves value L
4, when ring size is greater than standard size, reduce the shift value L of measuring roller
4, and the parameter value after changing is input to PLC in time.
The invention has the beneficial effects as follows: 1, adopt servomotor to drive roll milling wheel to realize feeding by reductor and powerful ball screw, can accurately control feed speed and the amount of feeding, there is very high precision; The slide block of 2, mill roll mechanism is provided with the first displacement transducer, the amount of feeding and the feed speed of roll milling wheel can be measured in real time, measuring roll mechanism is provided with second displacement sensor, the displacement of measuring roller can be measured in real time, reflection ring dimension enlargement situation; 3, realize the NC postprocessing of Vertical Heat ring rolling process, have and save manpower, save material, high, the follow-up amount of machining of part forming precision is little, percent defective is low advantage.
Accompanying drawing explanation
Fig. 1 is the front view of one embodiment of the invention.
Fig. 2 is the side view of one embodiment of the invention.
Fig. 3 is the sectional view of the feed mechanism of one embodiment of the invention.
Fig. 4 is the sectional view of the measuring roll mechanism of one embodiment of the invention.
Fig. 5 is the control flow chart of one embodiment of the invention.
Wherein: 1. frame, 2. hollow cylinder, 3. mill roll mechanism, 4. slide block, 5. roll milling wheel, 6. roller motor, 7. measuring roll mechanism, 8. guide roller mechanism, 9. core roller mechanism, 10. servomotor, 11. decelerators, 12. ball-screws, 13. housings, 14. sleeves, 15. sleeve leading screws, 16. position fixing handles, 17. piston rods, 18. second displacement sensors, 19. measuring rollers, 20. feather keys, 21. centring sleeves, 22. linear bearings, 23. linear bearing end caps, 24. core roller bearing pins, 25. first displacement transducers, 26. terminal pads, 27. nut seats, 28. guide rings, 29. discs, 30. convex-concave ball pads, 31. bolts, 32. feed screw nuts, 33. first steps, 34. second steps, 35. springs, 36. " U " type groove, 37. endoporus, 38. draw-in groove flanges, 39. sensor magnetospheres, 40. spacer pins, 41. plane axis bearings, 42. plane bearings, 43. plane bearing end caps, 44. feed mechanisms.
Detailed description of the invention
For understanding the present invention better, below in conjunction with drawings and Examples, the invention will be further described.
As Figure 1-4, the hot machine for rolling ring of a kind of digital control vertical, comprise frame 1, mill roll mechanism 3, measuring roll mechanism 7, guide roller mechanism 8, core roller mechanism 9, feed mechanism 44, control device, mill roll mechanism 3 comprises roll milling wheel 5, slide block 4 and roller motor 6, the radial centre lines of measuring roll mechanism 7 and the vertical center line of frame 1 are 50 ° ~ 60 ° angles, the radial centre lines of guide roller mechanism 8 and the vertical center line of frame 1 are 60 ° ~ 70 ° angles, the longitudinal center line of core roller mechanism 9 and the vertical vertical and intersectant centerline of frame 1, roll milling wheel 5 is located at directly over the core roller of core roller mechanism 9, the measuring roller of measuring roll mechanism 7 is located at the lower left of the core roller of core roller mechanism 9, the guide roller of guide roller mechanism 8 is located at the lower right of the core roller of core roller mechanism 9, the output shaft of roller motor 6 is connected with power transmission shaft one end by Hooks coupling universal coupling, the power transmission shaft other end is connected with roll milling wheel 5, power transmission shaft other end termination is connected with slide block 4, and slide block 4 can slide up and down along the guide rail be arranged in frame 1, and slide block 4 is connected with the input of the first displacement transducer 25.
As shown in Figure 1,3, feed mechanism 44 comprises servomotor 10, decelerator 11, ball-screw 12 and connection for transmission device, the power transmission shaft of servomotor 10 is connected with the power shaft of decelerator 11, and the top and bottom of ball-screw 12 are connected respectively by the output shaft of connection for transmission device and decelerator, slide block 4.
As Fig. 1, shown in 4, measuring roll mechanism 7 comprises housing 13, sleeve 14, sleeve leading screw 15, positioner, piston rod 17, second displacement sensor 18 and measuring roller 19, housing 13 is coated on sleeve 14, housing periphery is provided with feather key 20 and contacts with excircle of sleeve side face, sleeve one end is stretched out shell one end and is fixedly linked by centring sleeve 21 and housing, sleeve inner is stretched into from the sleeve other end in sleeve leading screw 15 one end, the sleeve leading screw other end is fixedly linked by positioner and housing, piston rod one end is connected with measuring roller 19 by core roller bearing pin 24, piston rod 17 other end stretches into sleeve inner from sleeve one end, piston rod is connected with sleeve by linear bearing 22 and linear bearing end cap 23, the input of second displacement sensor 18 is connected with piston rod, sleeve one end inwall is provided with first step 33 and second step 34, it is inner that termination, sleeve one end is located at by linear bearing 22, located by first step 33, linear bearing end cap 23 is connected with the end face of sleeve one end, spring 35 is provided with between linear bearing afterbody and second step 34, piston rod is the cylindrical bar that termination, one end is provided with " U " type groove 36, the other end of piston rod has endoporus 37 vertically, second displacement sensor 18 is located in described endoporus 37, measuring roller 19 is located in " U " type groove 36 and is also connected with groove both sides by core roller bearing pin 24, the other end of piston rod and linear bearing 22 phase configuration, the outer circumference surface of piston rod has rectangular recess, be provided with spacer pin 40 in rectangular recess to position, spacer pin 40 is secured by bolts on sleeve, second displacement sensor output end socket draw-in groove flange 38, draw-in groove flange 38 is connected with the other end termination of piston rod, sensor magnetosphere 39 is provided with between draw-in groove flange and plunger rod contacts face, draw-in groove flange contacts with spring 35.
Control device is PLC, PLC input is connected with the output of the first displacement transducer 25, the output of second displacement sensor 18 respectively, the output of PLC is connected with servomotor 10, roller motor 6 respectively, controls startup and the stopping of roller motor and servomotor.
As Fig. 1, shown in 3, described connection for transmission device comprises hollow cylinder 2, terminal pad 26, nut seat 27 and guide ring 28, terminal pad 26 top is connected with the housing bottom of decelerator 11, hollow cylinder 2 top is connected with bottom terminal pad, hollow cylinder bottom connection guide ring 28, disc 29 is provided with between hollow cylinder and terminal pad contact surface, the upper end outer circumferential face of ball-screw 12 is connected by bearing with the upper and lower two ends of terminal pad 26 inwall respectively, the lower end connection wire rod nut 32 of ball-screw, feed screw nut 32 outer cover connected nut seat 27, guide ring 28 inner ring surface and nut seat outer circumference surface phase configuration, nut seat bottom centre has screw, be connected with slide block 4 top by bolt 31, the contact surface of nut seat bottom face and slide block is provided with convex-concave ball pad 30, the contact surface of bolt head and slide block is also provided with convex-concave ball pad.
As shown in Figure 4, described positioner comprises position fixing handle 16, plane axis bearing 41, plane bearing 42 and plane bearing end cap 43, plane axis bearing 41 one end end face is connected with housing 13 end face, sleeve leading screw 15 afterbody is connected with plane axis bearing by plane bearing 42, plane bearing other end end face is connected with plane bearing end cap 43, and position fixing handle 16 is installed on plane axis bearing outer circumference surface.
The hot machine for rolling ring of above-mentioned a kind of digital control vertical is adopted to carry out rolling the control method of ring:
1) parameter measurement, manually boots described servomotor 10, drives roll milling wheel to move to and just contacts with core roller outer wall, write down the shift value L of now described slide block
1, by L
1be worth " the mould limit " value as slide block 4, then drive roll milling wheel to reset, be contained in by ring blank on core roller, manual actuation roll milling wheel moves to and just contacts with ring blank outer wall, writes down the shift value L of now described slide block
2, by L
2with the difference of ring blank wall thickness deviation A " F.F. " amount of feeding as slide block, the described amount of feeding is divided into one, two, three works enter the amount of feeding, the feed speed in each feeding stage is set according to the principle of ladder reduction of speed feeding, after the feeding stage terminates, a full circle stage is set, this stage slide block feed-disabling also keeps a period of time, i.e. " full circle time ", be set to T, by described one, two, the summation that three works enter the amount of feeding adds that the gap value of an expediently blanking is measured as " backhaul " of slide block, then manual actuation roll milling wheel resets and takes off ring blank, core roller is loaded onto standard ring, then manual actuation roll milling wheel resets and takes off ring blank, core roller is loaded onto standard ring, drive roll milling wheel to move to fit with standard ring outer wall and compress, write down the shift value L of now guide roller
3, utilize described sleeve leading screw to regulate the position of described measuring roller 19, make measuring roller outer wall and described standard ring outer wall fit and compress, by " displacement of measuring roller " value L
4with the difference of the ring blank external diameter value added B in described " full circle time " as " full circle shift value ", manual actuation roll milling wheel resets and takes off standard ring, utilizes described position fixing handle to lock measuring roller,
2) setting parameter and inspection, by above-mentioned L
1, L
2, " backhaul " amount, " F.F. " amount of feeding, L
3, L
4, " full circle shift value ", " full circle time " parameters value input described PLC, empty wagons runs for several times, checks that whether each optimum configurations accurate;
3) start to roll ring, confirm that the described roller motor 6 of errorless rear startup starts ring examination and rolls, PLC sends enabled instruction to servomotor, roll milling wheel is driven to start F.F., and fast near blank outer wall, first displacement transducer 25 and second displacement sensor 18 are measured the shift value of roll milling wheel and measuring roller in real time respectively and are fed back to PLC, and PLC is by comparing value of feedback and L
1and L
4transmission instruction control roll milling wheel proceeds to a work successively and enters, two works are entered, advanced section of three works, advanced section of work, the reduction of ring wall thickness, enlarged-diameter, cross section profile are shaped, and ring outer wall promotes measuring roller and moves, and PLC is by comparing and measuring value of feedback and " the full circle shift value " of roller displacement transducer, when arriving " full circle shift value " in the advanced section of measuring roller displacement of three works, and advanced section of three works complete or slider displacement sensor feedback value arrives L
1, PLC controls roll milling wheel feed-disabling, namely enters the full circle stage, and the roll milling wheel of PLC control afterwards returns, and ring rolling process terminates;
4) parameter adjustment, adjusts above-mentioned parameters value according to forging ' s block dimension and the examination situation of rolling, and when ring size under gauge, what increase measuring roller moves value L
4, when ring size is greater than standard size, reduce the shift value L of measuring roller
4, and the parameter value after changing is input to PLC in time.
Claims (5)
1. the hot machine for rolling ring of digital control vertical, comprise frame, mill roll mechanism, measuring roll mechanism, guide roller mechanism, core roller mechanism, feed mechanism, control device, described mill roll mechanism comprises roll milling wheel, slide block and roller motor, the radial centre lines of described measuring roll mechanism and the vertical center line of described frame are 50 ° ~ 60 ° angles, the radial centre lines of described guide roller mechanism and the vertical center line of frame are 60 ° ~ 70 ° angles, the longitudinal center line of described core roller mechanism and the vertical vertical and intersectant centerline of frame, described roll milling wheel is located at directly over the core roller of core roller mechanism, the measuring roller of measuring roll mechanism is located at the lower left of the core roller of core roller mechanism, the guide roller of guide roller mechanism is located at the lower right of the core roller of core roller mechanism, the output shaft of described roller motor is connected with power transmission shaft one end by Hooks coupling universal coupling, the other end of described power transmission shaft is connected with described roll milling wheel, power transmission shaft other end termination is connected with described slide block, slide block can slide up and down along the guide rail be arranged in frame, it is characterized in that, described slide block is connected with the input of the first displacement transducer, described feed mechanism comprises servomotor, decelerator, ball-screw and connection for transmission device, the power transmission shaft of described servomotor is connected with the power shaft of described decelerator, and the top and bottom of described ball-screw are connected respectively by the output shaft of described connection for transmission device and described decelerator, slide block, described measuring roll mechanism comprises housing, sleeve, sleeve leading screw, positioner, piston rod, second displacement sensor and measuring roller, described housing is coated at described sleeve, housing periphery is provided with feather key and contacts with excircle of sleeve side face, sleeve one end is stretched out shell one end and is fixedly linked by centring sleeve and housing, sleeve inner is stretched into from the sleeve other end in described sleeve leading screw one end, the sleeve leading screw other end is fixedly linked by described positioner and housing, described piston rod one end is connected with measuring roller by core roller bearing pin, the piston rod other end stretches into sleeve inner from sleeve one end, piston rod is connected with sleeve by linear bearing and linear bearing end cap, the input of described second displacement sensor is connected with piston rod, described control device is PLC, described PLC input is connected with the output of described first displacement transducer, second displacement sensor respectively, the output of PLC is connected with described servomotor, roller motor respectively, controls startup and the stopping of roller motor and servomotor.
2. the hot machine for rolling ring of a kind of digital control vertical according to the claims 1, it is characterized in that, described connection for transmission device comprises hollow cylinder, terminal pad, nut seat and guide ring, described terminal pad top is connected with bottom described decelerator, described hollow cylinder top is connected with bottom terminal pad, hollow cylinder bottom connection guide ring, disc is provided with between hollow cylinder and terminal pad contact surface, the upper end outer circumferential face of described ball-screw is connected by bearing with the described upper and lower two ends of terminal pad inwall respectively, the lower end connection wire rod nut of ball-screw, described feed screw nut outer cover connected nut seat, described guide ring inner ring surface and described nut seat outer circumference surface phase configuration, nut seat bottom centre has screw, be connected with described slider top by bolt, the contact surface of nut seat bottom face and slide block is provided with convex-concave ball pad, the contact surface of bolt head and slide block is provided with convex-concave ball pad.
3. the hot machine for rolling ring of a kind of digital control vertical according to claim 1, it is characterized in that, described sleeve one end inwall is provided with first step and second step, it is inner that termination, sleeve one end is located at by described linear bearing, located by described first step, described linear bearing end cap is connected with the end face of sleeve one end, spring is provided with between described linear bearing afterbody and described second step, described piston rod is the cylindrical bar that termination, one end is provided with " U " type groove, the other end of piston rod has endoporus vertically, described second displacement sensor is located in described endoporus, described measuring roller is located in " U " type groove and is also connected with groove both sides by described core roller bearing pin, the other end of described piston rod and described linear bearing phase configuration, the outer circumference surface of piston rod has rectangular recess, be provided with spacer pin in described rectangular recess to position, described spacer pin is secured by bolts on described sleeve, second displacement sensor output end socket draw-in groove flange, described draw-in groove flange is connected with the other end termination of piston rod, sensor magnetosphere is provided with between draw-in groove flange and plunger rod contacts face, draw-in groove flange and described spring interface touch.
4. the hot machine for rolling ring of a kind of digital control vertical according to claim 3, it is characterized in that, described positioner comprises position fixing handle, plane axis bearing, plane bearing and plane bearing end cap, described plane axis bearing one end end face is connected with described housing end face, described sleeve leading screw afterbody is connected with plane axis bearing by described plane bearing, plane bearing other end end face is connected with described plane bearing end cap, and described position fixing handle is installed on described plane axis bearing outer circumference surface.
5. the control method of the hot machine for rolling ring of a kind of digital control vertical that one of the claims are described, is characterized in that, first manually boot described servomotor, drive described roll milling wheel to move to and just contact with described core roller outer wall, write down the shift value L of now described slide block
1, by L
1be worth " the mould limit " value as slide block, then drive roll milling wheel to reset;
Be contained in by ring blank on core roller, manual actuation roll milling wheel moves to and just contacts with ring blank outer wall, writes down the shift value L of now described slide block
2, by L
2with the difference of the wall thickness deviation A of ring blank " F.F. " amount of feeding as slide block, the described amount of feeding is divided into one, two, three works enter the amount of feeding, the feed speed in each feeding stage is set according to the principle of ladder reduction of speed feeding, after the feeding stage terminates, a full circle stage is set, this stage inner slide feed-disabling also keeps a period of time, i.e. " full circle time ", be set to T, by described one, two, the summation that three works enter the amount of feeding adds that the gap value of an expediently blanking is measured as " backhaul ", then manual actuation roll milling wheel resets and takes off ring blank, core roller is loaded onto standard ring, drive roll milling wheel to move to fit with standard ring outer wall and compress, write down the shift value L of now guide roller
3,
Utilize described sleeve leading screw to regulate the position of described measuring roller, make measuring roller outer wall and described standard ring outer wall fit and compress, by " displacement of measuring roller " value L
4with the difference of the ring blank external diameter value added B in described " full circle time " as " full circle shift value ", manual actuation roll milling wheel resets and takes off standard ring, utilizes described position fixing handle to lock measuring roller;
By above-mentioned L
1, L
2, " backhaul " amount, " F.F. " amount of feeding, L
3, L
4, " full circle shift value ", " full circle time " parameters value input described PLC, empty wagons runs for several times, checks that whether each optimum configurations accurate;
Confirm that the described roller motor of errorless rear startup starts ring examination and rolls, PLC sends enabled instruction to servomotor, roll milling wheel is driven to start F.F., and fast near blank outer wall, first displacement transducer and second displacement sensor are measured the shift value of roll milling wheel and measuring roller in real time respectively and are fed back to PLC, and PLC is by comparing value of feedback and L
1and L
4transmission instruction control roll milling wheel proceeds to a work successively and enters, two works are entered, advanced section of three works, advanced section of work, the reduction of ring wall thickness, enlarged-diameter, cross section profile are shaped, and ring outer wall promotes measuring roller and moves, PLC is by comparing and measuring value of feedback and " the full circle shift value " of roller displacement transducer, when arriving " full circle shift value " in the advanced section of measuring roller displacement of three works, or advanced section of three works complete, or slider displacement sensor feedback value arrives L
1, PLC controls roll milling wheel feed-disabling, namely enters the full circle stage, and the roll milling wheel of PLC control afterwards returns, and ring rolling process terminates;
Adjust above-mentioned parameters value according to forging ' s block dimension and the examination situation of rolling, when ring size under gauge, what increase measuring roller moves value L
4, when ring size is greater than standard size, reduce the shift value L of measuring roller
4, and the parameter value after changing is input to PLC in time.
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|---|---|---|---|
| CN201410535981.XA CN104368734B (en) | 2014-10-11 | 2014-10-11 | A kind of hot machine for rolling ring of digital control vertical and control method |
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|---|---|---|---|
| CN201410535981.XA CN104368734B (en) | 2014-10-11 | 2014-10-11 | A kind of hot machine for rolling ring of digital control vertical and control method |
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| CN104368734B CN104368734B (en) | 2016-05-11 |
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| CN109807258A (en) * | 2019-03-04 | 2019-05-28 | 蚌埠捷顺机器有限公司 | A kind of rim rolling machine |
| CN110238332A (en) * | 2019-07-24 | 2019-09-17 | 泰州浙华机械精锻有限公司 | A kind of hydraulic ring rolls of numerically controlled automatic |
| CN113600727A (en) * | 2021-06-26 | 2021-11-05 | 中国重型机械研究院股份公司 | Position control system and method for axial centering roller of ring rolling machine |
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| CN108994249A (en) * | 2018-07-16 | 2018-12-14 | 兰州兰石能源装备工程研究院有限公司 | Large-scale cylindrical forged piece forges Rolling compund production technology |
| CN109290498A (en) * | 2018-09-05 | 2019-02-01 | 佛山市源春月贸易有限公司 | A kind of adjustable handware rolls ring apparatus |
| CN109290498B (en) * | 2018-09-05 | 2019-11-15 | 佛山市源春月贸易有限公司 | A kind of adjustable handware rolls ring apparatus |
| CN109396305A (en) * | 2018-12-27 | 2019-03-01 | 山东瑞烨法兰有限公司 | A kind of hubbed flange vertical ring rolling machine processing grinding tool |
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| CN110238332A (en) * | 2019-07-24 | 2019-09-17 | 泰州浙华机械精锻有限公司 | A kind of hydraulic ring rolls of numerically controlled automatic |
| CN113600727A (en) * | 2021-06-26 | 2021-11-05 | 中国重型机械研究院股份公司 | Position control system and method for axial centering roller of ring rolling machine |
| CN113600727B (en) * | 2021-06-26 | 2022-07-19 | 中国重型机械研究院股份公司 | Position control system and method for axial centering roller of ring rolling mill |
| CN117847165A (en) * | 2024-03-06 | 2024-04-09 | 合肥东昇智能装备股份有限公司 | Transmission device and measuring roller using same |
| CN117847165B (en) * | 2024-03-06 | 2024-05-14 | 合肥东昇智能装备股份有限公司 | Transmission device and measuring roller using same |
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