CN2294791Y - Two-roller variable-section plate-spring rolling mill - Google Patents
Two-roller variable-section plate-spring rolling mill Download PDFInfo
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- CN2294791Y CN2294791Y CN 97232949 CN97232949U CN2294791Y CN 2294791 Y CN2294791 Y CN 2294791Y CN 97232949 CN97232949 CN 97232949 CN 97232949 U CN97232949 U CN 97232949U CN 2294791 Y CN2294791 Y CN 2294791Y
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Abstract
The utility model belongs to metal shaping equipment, mainly relating to a variable-section plate-spring rolling mill. The utility model mainly comprises a machine frame, a roller device arranged on the machine frame, a trimming device and a feeding device which are positioned on the front of the machine frame, a driving device connected with the roller device and screwdown devices positioned on the upper parts of two windows of the machine frame. The utility model is characterized in that a lower roll ring and an upper roll ring are separately fixed on a lower roller shaft and an upper roller shaft by locking nuts; a straightening device composed of an upper flat roll, a lower flat roll, a vertical roll vertical with the upper flat roll and the lower flat roll and a vertical roll and a flat roll adjusting bolts is arranged in parallel on the back part of the machine frame. The utility model has the advantages of stable product quality, high productive efficiency, simple structure, low cost and convenient operation.
Description
The utility model belongs to metal shaping equipment, relates generally to the structure of change section flat spring mill.
The change section flat spring mill of prior art, five roller variable cross-section milling trains as the production of Britain HELLE company, its actuating unit servo apply hydraulic pressure mechanism by the lifting of oil cylinder control roll, and utilizes control roll gap and adjusting workpiece drawing speeies such as various sensors, servo amplifier.This automation degree of equipment height, labor strength is low, but the complete machine structure complexity, maintenance difficult, the manufacturing cost height, service life is low, and especially the hydraulic system leakage is that this kind equipment uses producer to quite feel stubborn problem.In recent years, utilize machine driving to replace hydraulic drive, and replace computer with the emulation pattern and adjust the leaf spring milling train of roll gap and occur, as Chinese patent ZL95233418.6 five roller change section flat spring mills, this machine has replaced hydraulic drive with machine driving, has solved the difficult problem that hydraulic system is revealed, and has also made things convenient for maintenance, manufacturing cost reduces greatly, and prolong service life relatively.But this machine complete machine structure is still complicated, and because the actuating unit that adopts projection, rack-and-pinion and multi-connecting-rod mechanism etc. to form, so vibrate when rolling greatlyyer, noise is higher, and is easy to take place electrical equipment and mechanical breakdown.Because the coupling of workpiece drawing speed and mill speed is difficult to reach optimum state, also influenced the stable of product quality to a certain extent simultaneously.
The purpose of this utility model provide a kind of simple in structure, cost is low, be convenient to Operation and maintenance, two roller change section flat spring mills of production efficiency height, constant product quality.
The utility model comprises frame, rack-mounted roll device, the edge-neatening apparatus that is positioned at the frame front and feed arrangement, transmission device links to each other with roll device, screwdown gear is positioned at frame two window tops, it is characterized in that being fixed on bottom roll axle and the topping roll axle by locking nut respectively on following collars in the roll device and the last collars, plain-barreled roll and following plain-barreled roll in parallel installation about the setting of frame back, edger roll and the edger roll that reach with last plain-barreled roll, plain-barreled roll is vertical down adjusted bolt, plain-barreled roll is adjusted the coalignment that bolt is formed.
Between transmission device of the present utility model and the roll device clutch brake is installed.Screwdown gear is made up of the worm gear that is fixed on two groups of symmetries of upper rack, worm screw and leading screw, and two worm screws link to each other by shaft coupling, and the main shaft of stepper motor connects with worm screw, and leading screw is coaxial with worm gear, and the leading screw lower end contacts with sphere slide block and safe block successively.Hang screw rod in the connection of the upper rack outside, hanger spring is positioned at hangs screw rod top, and its upper end contacts with nut.In edge-neatening apparatus, two deburrings wheel is connected the front end of swing arm, two swing arm rear ends are connected by back-moving spring, two swing arms middle part is provided with the adjustment bolt, swing arm contacts with cross sliding clock by adjusting slide block, vertical slipper and roller, and cross sliding clock contacts with variable cam on being installed in the bottom roll axle by roller.In the pay-off, gear links to each other with the stepper motor main shaft, the rack and pinion engagement, and the elasticity pushing block is fixed on the tooth bar front end.In the positioner, backstay is arranged in the positioning seat, and positioning seat links to each other with tooth bar, and wheel and rack is meshed, and gear links to each other respectively with handwheel with stepper motor.
The utility model compared with prior art has the following advantages:
1, all transmission mechanisms all adopt mechanical device to replace the complicated hydraulic pressure, the pneumatic gearing mechanism that safeguard of being difficult to again, make that complete machine structure is simple, easy to operate, reliable operation, the operation of rolling is stable, noise is low.
2, roll system is that two rollers are formed, adopted edge shell type composite roll, loading and unloading and processing had both been made things convenient for, saved roll material again, simultaneously, because therefore sheet shape is to be worked on the collars, by the designing requirement of Digit Control Machine Tool in strict accordance with changeable section plate spring, to roll the shape of reed more accurate, more stable quality.
3, owing to adopted the alignment system, saved draw-off gear, not only simplify the structure, the thyristor speed control system or the hydropneumatic system of complex and expensive have been saved, also overcome because of the improper product quality that causes on the speeds match defectively, especially plain bending sectional dimension overproof or that cause because of pulling capacity is excessive is overproof.
4, press down system, charging and positioner adopt the stepper motor transmission by the control of numerical control case, not only can save the silicon controlled rectifier governing system, but also make operation and maintenance easier, and it is more accurate to locate.
5, owing to adopted the interrupted rolling method of clutch, make more convenient to operate, simultaneously, the distance of leaving roll because of rolled piece has obtained effective control, and the pay-off and the accurate localization mechanism of flexibility and reliability are arranged, thereby shorten rolling gap greatly, improved rolling efficiency.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model frame and roll device and screwdown gear structural representation;
Fig. 3 is the utility model edge-neatening apparatus structural representation;
Fig. 4 is the A-A cutaway view of the utility model edge-neatening apparatus;
Fig. 5 is the utility model coalignment schematic diagram;
Fig. 6 is the utility model coalignment plan structure schematic diagram;
Fig. 7 is the utility model clutch brake schematic diagram;
Fig. 8 is that the A-A of the utility model clutch brake cuts open schematic diagram;
Fig. 9 is the utility model charging and positioner schematic diagram;
Figure 10 is the utility model charging and positioner plan structure schematic diagram.
Among Fig. 1, transmission device 8 arrives roll device 2 by clutch brake 6 with transmission of power, screwdown gear 3 symmetries are installed in the top of frame 1, and edge-neatening apparatus 4 and feed arrangement 7 are installed in the front of frame 1, and alignment system 5 and positioner 7 are installed in the back of frame 1.
Among Fig. 2, bottom roll is made up of down collars 8, locking nut 9, bottom roll axle 10 and bottom roll bearing block 24 etc., and bottom roll bearing block 24 on frame 1, so bottom roll can only rotate, and can not be done the motion of vertical direction by bolted; Topping roll is made up of last collars 11, locking nut 12, topping roll axle 13 and topping roll bearing block 14 etc., topping roll bearing block 14 can slide up and down in the window of frame 1, promptly when leading screw 23 is depressed, topping roll bearing block 14 is just to lower slider, collars 11 moves down in the drive, until pressing also with following collars 8, when leading screw 23 upwards lifts, last collars 11 just by be bound up between topping roll bearing block 14 and the worm gear case 19 hang screw rod 21 and hanger spring 17 is pulled upwardly.Can regulate the tightness of hanger spring 17 by adjusting nut 18, making can seamlessly be bound up by safe block 15 and sphere slide block 16 between leading screw 23 and the topping roll bearing block 14 all the time pumps.Following collars 8 is special-shaped collars, it be use in advance Digit Control Machine Tool with the processing of the sheet shape of rolling leaf spring on collars, and before rolling starting point, be processed with the breach of certain arc length, so that the reed before rolling can pass through smoothly.
Worm gear and worm engaging in the worm gear case 19, leading screw 23 is by worm-drive, two leading screws, 23 lower ends are pressed onto on two topping roll bearing blocks 14 by sphere slide block 16 and safe block 15 respectively, connect mutually by shaft coupling 20 between two worm screws, two screwdown gears 3 both can be adjusted separately, linkage again, interlock is depressed or is lifted action and finished by digital control system control step motor 22, and time, speed and the distance of depressing or lift action can realize automatically by program and travel switch.
In Fig. 3 and Fig. 4, two deburring wheels 25 are installed on the swing arm 26, two swing arms 26 contact with cross sliding clock 36 by adjusting slide block 27, vertical slipper 31 and roller 33, and cross sliding clock 36 contacts with variable cam 34 on being installed in bottom roll axle 10 by roller 35, and holding out against spring and can make each relevant movement parts be in no gap state all the time on vertical slipper 31 and the cross sliding clock 36, to guarantee that in the operation of rolling two deburrings wheel 25 can be in strict accordance with the predefined automatic spacing of rail that rolls.The amplitude of fluctuation of two swing arms 26 can realize by regulating adjustment bolt 29.When roller 35 entered the breach of variable cam 34, the transfer function by each slide block opened deburring wheel 25, this moment down collars 8 breach upwards, so that feeding, after the rolling beginning, roller 35 is walked out breach, two deburrings this moment wheel 25 clamps, and begins deburring by the spacing of adjusting.In the operation of rolling, the spacing of two deburrings wheel 25 is differences of spreading on each section mill length according to reed and regulating at random, its degree of regulating at random can be achieved by variable cam 34, so just can guarantee roll the reed length range width tolerance all be controlled in the predetermined tolerance scope.After rolling end once, along with resetting of collars 8 down, roller enters again in the breach of variable cam 34, and deburring wheel 25 opens again, waits for feeding next time, to carry out the operation of rolling next time.
In Fig. 5, Fig. 6, alignment system 5 goes up plain-barreled roll 37, four following plain-barreled rolls 38, three opposite rollers 39 and edger rolls by three and adjusts bolt 40, plain-barreled roll and adjust bolt 41 etc. and form, before rolling, distance according between width adjustment three opposite rollers 39 of rolling reed just can play the effect of alignment reed edgewise bend when rolling; And after adjusting distance between plain-barreled roll 37 and the following plain-barreled roll 38 by the thickness of rolling reed, the plain bending that can control reed is within the scope that requires.
In Fig. 7, Fig. 8, clutch brake 6 by clutch discs 43,44, rotate skewback 42, fixedly skewback 46, elasticity brake gear and linkage etc. are formed, the clutch discs 44 that can slide within the specific limits vertically is housed on the bottom roll spindle nose, and the clutch discs 43 that is contained on the reducer output shaft can only be rotated with axle, and can not slide vertically.The adjustable rotation skewback 42 in one position is housed on the slidably clutch discs 44 of roll spindle nose, on base 47 below this clutch discs 44, be fixed with one with rotate skewback 42 corresponding fixedly skewbacks 46, and this clutch discs 44 also by with turning cylinder 45 for the linkage of fixing rotating shaft and recessed 50 with interrelate by compressing the roller 51 that spring 52 etc. is connected on the brake ribbon 56.Behind blank feeding milling train and location, promptly send signal enabling electromagnet (or handle of pulling band pedal) and make clutch discs 44 and clutch discs 43 engagements, at this moment, roller 51 is in recessed 50 last plan-position, brake ribbon 56 is in off working state, roll rotation also begins steel rolling, when the rolling end of this passage, and when following collars 8 rotates near gap position, rotate skewback 42 and contact, make the separation of two clutch discs with fixing skewback 46, enter recessed piece 50 pit in roller 51 by linkage this moment, because the effect of compression spring 52 makes brake ribbon 56 hold brake wheel 55 tightly, so that allow roll accurately stop at the feeding position.
In Fig. 9, Figure 10, pay-off 7 is made up of elasticity pushing block 61, tooth bar 58, gear 59 etc., it is to drive the elasticity pushing block 61 that links together with tooth bar 58 by stepper motor 57 by gear 59 to realize the feeding action, the length after rolling is by digital control system programme-control in accordance with regulations by rolling pass and every time for its move distance, and its action is complementary with the rotation of backstay 62 and bottom roll.I.e. action for the first time is not rolling reed to be advanced contact with backstay 62; The position of elasticity pushing block 61 is to determine according to the length of spring leaf after for the first time rolling before for the second time rolling, the position of elasticity pushing block 61 is to determine according to the length of a film after for the second time rolling before rolling for the third time, the n time rolling before the position of elasticity pushing block 61 be definite according to (n-1) inferior length of a film after rolling.Length of spring leaf after rolling pass n and every time are rolling is by process stipulation and calculate, and is input to digital control system in the mode of program and carries out.
Positioner is made up of tooth bar 63, gear 64, positioning seat 65, backstay 62 etc., it is to be realized locating by gear 64 driven by program and the positioning seat 65 that links together of tooth bar 63 according to the rules by stepper motor 66, and the position of adjustable backstays 62 is then determined according to length of a film in the positioning seat 65.The rolling position location of backstay 62 remains constant in the whole operation of rolling, and its position that retreats then is to determine that by the different length by the rolling each time back reed of technological requirement its action is controlled by numerical control program.
In addition, for further specifying the characteristics of the utility model milling train, now the technical parameter of this milling train is listed as into following table with the milling train of Britain HELLE company import and the comparable situation of Chinese patent ZL95233418.6 five roller changeable section plate spring machines:
| Sequence number | Parameter | Two roller change section flat spring mills | Five roller change section flat spring mills | Britain HELLE |
| 1 | Rolling reed specification length width thickness | The longest 130mm 60～120 maximums 60 | The maximum 60mm of 200～1500mm, 40～130mm | The maximum 60mm of the longest 1500mm 60～160mm |
| 2 | Production capacity | 240 slices/hour | 120 slices/hour | 120 slices/ |
| 3 | Power of motor | 56.2KW | 102.5KW | 250KW (comprising air compressor machine 30KW) |
| 4 | Control principle | Digital control system control step motor | PC controls direct current generator | PC controls |
| 5 | Variable cross-section shaping principle | It is directly rolling that employing is processed with the collars of sheet shape | Special-purpose pattern is rolling | PC control hydraulic servomechanism is adjusted |
| 6 | Control strip shape kind | Parabola, oblique line and other section | Parabola, oblique line and other section | Parabola, oblique line |
| 7 | Charging method | Manually | Manually | Manually+ |
| 8 | Operative employee's | 1 people (automatically)～3 people (manually) | 3 | 3 |
| 9 | | 12 tons | 27.6 ton | 35 |
| 10 | The complete machine expense | About 380,000 yuan | About 850,000 yuan | 1,350 ten thousand yuan (needing foreign exchange 1,000,000 pounds) |
| 11 | Parts state productive rate | 100％ | 100％ | Hydraulic part, servo, the import of seal need |
| 12 | Operation and maintenance | The simplest, the easiest | Complicated, difficult maintenance | The most difficult the most complicated maintenance |
Claims (7)
1, a kind of two roller change section flat spring mills, comprise frame (1), be installed in the roll device (2) on the frame (1), be positioned at the edge-neatening apparatus (4) and the feed arrangement (7) of frame front, transmission device (8) links to each other with roll device (2), screwdown gear (3) is positioned at the top of frame two windows, it is characterized in that on bottom roll axle (10) in the roll device (2) and the topping roll axle (13) respectively by locking nut (9), (12) fixing collars (8) and last collars (11) down, the last plain-barreled roll (37) and the following plain-barreled roll (38) of parallel installation up and down are set in frame (1) back, reach edger roll (39) and the edger roll adjustment bolt (40) vertical with following plain-barreled roll (38) with last plain-barreled roll (37), plain-barreled roll is adjusted the coalignment (5) that bolt (41) is formed.
2, two roller change section flat spring mills according to claim 1 is characterized in that between transmission device (8) and the roll device (2) clutch brake (6) being installed.
3, two roller change section flat spring mills according to claim 1, it is characterized in that screwdown gear (3) is made up of the worm gear that is fixed on the two groups of symmetries in frame (1) top, worm screw (19) and leading screw (23), two worm screws link to each other by shaft coupling (20), the main shaft of stepper motor (22) connects with worm screw, leading screw (23) is coaxial with worm gear, and the leading screw lower end contacts with sphere slide block (16) and safe block (15) successively.
4, two roller change section flat spring mills according to claim 3, it is characterized in that frame (1) upper outside connect hang screw rod (21), hanger spring (17) be positioned at hang screw rod (21) top, its upper end contacts with nut (18).
5, two roller change section flat spring mills according to claim 3, it is characterized in that in the edge-neatening apparatus (4), two deburrings wheels (25) are connected the front end of swing arm (26), two swing arms (26) rear end is connected swing arm (26) front end by back-moving spring (28), two swing arms (26) middle part is provided with adjusts bolt (29), swing arm (26) contacts with cross sliding clock (36) by adjusting slide block (27), vertical slipper (31) and roller (33), and the variable cam (34) on cross sliding clock (36) road is crossed roller (35) and is installed in bottom roll axle (10) contacts.
6, two roller change section flat spring mills according to claim 3 is characterized in that in the pay-off (7), gear (59) links to each other with the stepper motor main shaft, tooth bar (58) and gear (59) engagement, and elasticity pushing block (61) is fixed on tooth bar (58) front end.
7, two rollers according to claim 6 become a section machine leaf spring milling train, it is characterized in that in the positioner (7), backstay (6 2) is arranged in the positioning seat (65), positioning seat (65) links to each other with tooth bar (63), gear (64) is meshed with tooth bar (63), and gear (64) links to each other respectively with handwheel (67) with stepper motor (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97232949 CN2294791Y (en) | 1997-05-07 | 1997-05-07 | Two-roller variable-section plate-spring rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97232949 CN2294791Y (en) | 1997-05-07 | 1997-05-07 | Two-roller variable-section plate-spring rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2294791Y true CN2294791Y (en) | 1998-10-21 |
Family
ID=33944651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97232949 Expired - Fee Related CN2294791Y (en) | 1997-05-07 | 1997-05-07 | Two-roller variable-section plate-spring rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2294791Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615111A (en) * | 2012-01-11 | 2012-08-01 | 丁仁顺 | Rolling mill with rolls capable of stopping automatically |
| CN104284740A (en) * | 2012-05-07 | 2015-01-14 | 西门子工业公司 | Modular rolling mill |
| CN113976636A (en) * | 2021-11-01 | 2022-01-28 | 沁阳市宏达钢铁有限公司 | Production device and method for hot-rolled deformed steel bar |
| CN114054554A (en) * | 2021-11-23 | 2022-02-18 | 北方工业大学 | Roll bending forming equipment auxiliary system capable of automatically adjusting roll gap |
-
1997
- 1997-05-07 CN CN 97232949 patent/CN2294791Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615111A (en) * | 2012-01-11 | 2012-08-01 | 丁仁顺 | Rolling mill with rolls capable of stopping automatically |
| CN104284740A (en) * | 2012-05-07 | 2015-01-14 | 西门子工业公司 | Modular rolling mill |
| TWI610729B (en) * | 2012-05-07 | 2018-01-11 | 西門斯工業公司 | Modular rolling mill |
| CN113976636A (en) * | 2021-11-01 | 2022-01-28 | 沁阳市宏达钢铁有限公司 | Production device and method for hot-rolled deformed steel bar |
| CN113976636B (en) * | 2021-11-01 | 2024-04-16 | 沁阳市宏达钢铁有限公司 | Production device and method for hot-rolled deformed steel bar |
| CN114054554A (en) * | 2021-11-23 | 2022-02-18 | 北方工业大学 | Roll bending forming equipment auxiliary system capable of automatically adjusting roll gap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |