CN101979241A - Energy-saving numerical control screw press and control method thereof - Google Patents
Energy-saving numerical control screw press and control method thereof Download PDFInfo
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- CN101979241A CN101979241A CN 201010282683 CN201010282683A CN101979241A CN 101979241 A CN101979241 A CN 101979241A CN 201010282683 CN201010282683 CN 201010282683 CN 201010282683 A CN201010282683 A CN 201010282683A CN 101979241 A CN101979241 A CN 101979241A
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Abstract
The invention discloses an energy-saving numerical control screw press and a control method thereof and belongs to the field of mechanical industrial equipment. An upper drive system comprises a belt drive, a gear drive and a semi-gearbox, a transmission case, a belt tension adjustor and a belt planeness adjustor for fixation, and a tonnage instrument (30) is mounted on the screw press (19), and the output end of the tonnage instrument (30) is connected with a control system. By adding the belt drive connected with the gear drive, a switched reluctance motor is guaranteed to supply a power torque under a basic rate and a motor shaft is guaranteed. By using the semi-gearbox, the precision of the gear drive is guaranteed. By adding a positioning screw, the belt planeness adjustment is convenient. Thus, the energy-saving numerical control screw press and the control method thereof have the advantages of guaranteeing precise pressure control, effectively protecting the motor shaft and the like.
Description
Technical field
The invention provides a kind of numerically controlled fly press and control method, belong to the mechanical industry apparatus field.
Background technology
China Patent No. is ZL200520125153.5, and the patent of invention that name is called the digital control helical forcing press discloses the fly press that switched reluctance machines drives, and its gear wheel and screw rod rotate.China Patent No. is that the patent of invention of ZL200420064892.3 discloses a kind of electric screw press, it is for the helical movement that motor drives gear wheel by pinion, the screw of gear wheel and screw rod is converted to the rectilinear motion of slide block by screw pair, defective is that motor connects pinion, the motor shaft power that is hit is bigger, the motor shaft fatiguability destroys, and is not easy to keep motor shaft and gear shaft concentric; Lack the accurate control measure of pressure.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the problem that prior art exists, provide a kind of and can effectively avoid the motor shaft overload, and can accurately control the numerically controlled fly press and the control method of tonnage.
The technical solution adopted for the present invention to solve the technical problems is: this numerically controlled fly press, comprise motor, last transmission system, fly press, brake and control system, last transmission system connects motor respectively, fly press and brake, control system connects the control end of motor and brake, it is characterized in that: go up transmission system and comprise belt transmission, half gear-box of a gear drive and a fixation, transmission case, belt-tension regulating apparatus and belt flatness adjusting device, the tonnage instrument is set, and the tonnage instrument is installed in its output connection control system on the fly press.
Half chests and back half chests before half gear-box comprises, preceding half chests is fixedlyed connected with the back half chests; Transmission case comprises the upright arm in a left side, right upright arm and upper cover plate, upright arm bottom, a left side connects the left upper end of fly press, and right upright arm bottom connects the upper right side of fly press, and the right-hand member of upper cover plate connects right upright arm, the left end of upper cover plate connects half gear-box, and half gear-box connects the inboard of the upright arm in a left side; Belt-tension regulating apparatus comprises adjusts plate, rotating shaft and adjustment bolt, and motor is fixed on to be adjusted on the plate, adjusts the plate rotating shaft that is slidingly connected, and rotating shaft is fixed on the right upright arm, adjusts bolt and is installed in and adjusts on the plate and hold out against right upright arm; Belt flatness adjusting device is arranged on the transmission case, belt flatness adjusting device is made up of first nut, first screw, second nut and second screw, first nut is installed on the upright arm in a left side, first screw tightening is in first nut, second nut is installed in to be adjusted on the plate, and second screw tightening is on second nut.
Belt-tension regulating apparatus is installed in the left side, and rotating shaft is fixed on the upright arm in a left side, and the adjustment bolt is installed on the adjustment plate and holds out against the upright arm in a left side.
Gear drive connects half gear-box and fly press, gear drive comprises pinion shaft, gear wheel, gear wheel and pinion shaft engaged transmission, gear wheel connects the screw rod of fly press, motor output shaft connects the bel-drivenn input, the bel-drivenn output is fixed on the pinion shaft, and axle head connects brake, and pinion shaft connects half gear-box by bearing.
Pinion shaft is the box-like or segmented gear combined type of integral type or gear train, box-like pinion, power transmission shaft and the flat key of comprising of gear train, and pinion is by the fixedly connected power transmission shaft of flat key, and power transmission shaft connects pinion stand by bearing.
The segmented gear combined type comprises segmentation pinion, power transmission shaft and flat key, and the segmentation pinion is by the fixedly connected power transmission shaft of flat key, and power transmission shaft connects pinion stand by bearing.
Gear wheel is integral type or adjustable type.
Adjustable type is to set up the rotary inertia adjusting ring on gear wheel, and the rotary inertia adjusting ring is arranged in the end or gear wheel of gear wheel.
The rotary inertia adjusting ring is integral type or combined type, and combined type is combined by multi-disc.
Pressure set points F
2Input control system, the real-time monitor value F of control system comparative pressure
1, F
0And difference DELTA F
1With the real-time monitor value ω of rotating speed
1, ω
0And difference DELTA ω
1, control system by formula
Adjust motor speed.In the formula, Δ ω
1=ω
1-ω
0, Δ F
1=F
1-F
0, ω
0Be t
0Motor speed constantly, F
0Be ω
0The time detected pressure value, ω
1Be t
1Motor speed constantly, F
1Be ω
1The time detected pressure value, ω
2Be t
2Motor speed constantly, F
2Be pressure set points.
Compared with prior art; numerically controlled fly press of the present invention and the beneficial effect that control method had are: connect gear drive by setting up belt transmission; can guarantee that switched reluctance machines provides the power torque under the base speed, can effectively protect motor shaft again.By setting up half gear-box, guarantee gear-driven precision, by setting up adjusting device, make belt tension, increase driving torque.By increasing set screw, the convenient flatness of adjusting belt.Described control method is by setting up the tonnage instrument, with the pressure set points input control system, and the difference of control system comparative pressure setting value and the real-time monitor value of pressure, control system is by formula calculated, and adjusts motor speed, realizes the accurate control of pressure.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Among the figure: 1, motor 2, adjust plate 3, rotating shaft 4, adjust bolt 5, right upright arm 6, small belt pulley 7, belt 8, upper cover plate 9, big belt pulley 10, brake 11, pinion shaft 12, preceding half chests 13, back half chests 14, bearing 15, the upright arm 16 in a left side, screw rod 17, gear wheel 18, slide block 19, fly press 20, digital output module 21, touch-screen 22, controller 23, switching value tablet 24, PLC Programmable Logic Controller 25, first nut 26, first screw, 27 second nuts, 28, second screw 29, travel switch 30, tonnage instrument 31, pinion, 32, power transmission shaft 33,35 segmented pinions are enclosed in flat key 34 rotary inertia adjustment.
The specific embodiment
As shown in Figure 1: embodiment 1
This numerically controlled fly press is made up of motor 1, adjustment plate 2, rotating shaft 3, adjustment bolt 4, right upright arm 5, small belt pulley 6, belt 7, upper cover plate 8, big belt pulley 9, brake 10, pinion shaft 11, preceding half chests 12, back half chests 13, bearing 14, left arm 15, screw rod 16, gear wheel 17, slide block 18, fly press 19, digital output module 20, touch-screen 21, controller 22, switching value tablet 23, PLC Programmable Logic Controller 24, first nut 25, first screw 26, second nut 27, second screw 28, travel switch 29 and the tonnage instrument 30 of standing.Motor output shaft connects small belt pulley 6, small belt pulley 6 and 7 transmissions of big belt pulley 9 usefulness belts, big belt pulley 9 is fixed on the pinion shaft 11, axle head connects brake 10, pinion shaft 11 connects half gear-box by bearing 14, half gear-box is made up of preceding half chests 12 and back half chests 13, and preceding half chests 12 is fixedlyed connected with back half chests 13; Transmission case comprises the upright arm 15 in a left side, right upright arm 5 and upper cover plate 8, right upright arm 5 is a serpentine, upright arm 15 bottoms, a left side connect the left upper end of fly press 19, right upright arm 5 bottoms connect the upper right side of fly press 19, the right-hand member of upper cover plate 8 connects right upright arm 5, the left end of upper cover plate 8 connects half gear-box, and half gear-box connects the inboard of the upright arm 15 in a left side; Belt-tension regulating apparatus is by adjusting plate 2, rotating shaft 3 and adjusting bolt 4 and forms, and motor 1 is fixed on to be adjusted on the plate 2, adjusts plate 2 rotating shaft 3 that is slidingly connected, and rotating shaft 3 is fixed on the right upright arm 5, adjusts bolt 4 and is installed in and adjusts on the plate 2 and hold out against the right arm 5 that stands; Belt flatness adjusting device is arranged on the transmission case, belt flatness adjusting device is made up of first nut 25, first screw 26, second nut 27 and second screw 28, first nut 25 is installed on the upright arm 15 in a left side, first screw 26 is tightened in first nut 25, second nut 27 is installed in to be adjusted on the plate 2, and second screw 28 is tightened on second nut 27.
There is one group can adopt gripper shoe to replace in first nut 25 and first screw, 26, the second nuts 27 and 28 liang of groups of second screw.
Gear drive connects half gear-box and fly press 19, and gear drive is by pinion shaft 11, gear wheel 17, gear wheel 17 and pinion shaft 11 engaged transmission, and gear wheel 17 connects the screw rod 16 of fly presses, and motor 1 output shaft connects small belt pulley 6.
The operation principle and the course of work are as follows:
After motor 1 starting, by belt transmission and gear drive, the screw rod 16 that drives fly press rotates, and the rotary inertia of belt transmission and gear train assembly quickens the energy that savings motor 1 provides, and fly press 19 utilizes the energy compacting workpiece of savings.
According to the technology difference of workpiece, operating personnel import motor 1 rotating speed and pressure set points, motor speed by motor itself with angular displacement sensing device feed back to control system in real time.
Pressure set points F
2Input control system, the real-time monitor value F of control system comparative pressure
1, F
0And difference DELTA F
1With the real-time monitor value ω of rotating speed
1, ω
0And difference DELTA ω
1, control system by formula
Adjust motor speed.In the formula, Δ ω
1=ω
1-ω
0, Δ F
1=F
1-F
0, ω
0Be t
0Motor speed constantly, F
0Be ω
0The time detected pressure value, ω
1Be t
1Motor speed constantly, F
1Be ω
1The time detected pressure value, ω
2Be t
2Motor speed constantly, F
2Be pressure set points.
In half gear-box of setting up; after earlier pinion shaft 11 being installed; preceding half chests 12; back half chests 13 is fixedly connected; motor 1 is installed in to be adjusted on the plate 2; with adjusting bolt 4 adjustment plate 23 is rotated around the shaft; make belt 7 tensions; at touch-screen 21 input speeds; the pressure process parameter; press start button; PLC Programmable Logic Controller 24 sends switching signal release brake 10; motor 1 is received the control signal and the rotating speed enabling signal thereof of controller 22; driving small belt pulley 6 rotates; small belt pulley 6 drives big belt pulley 9 and rotates; big belt pulley 9 drives pinion 31 and rotates; pinion 31 drives gear wheel 17 and rotates; gear wheel 17 drives screw rod 16 and rotates; belt transmission and gear drive inertia quicken the energy that the savings motor provides; fly press 19 utilizes the energy compacting workpiece of savings, and the impulsive force during the compacting workpiece is passed to motor 1 through belt transmission; the belt cushioning effect reduces impact load; effectively the protection motor is 1, and after strike finished, motor 1 counter-rotating was returned; travel switch 29 signals to control system, and motor 1 is implemented braking with brake 10.
With reference to Fig. 2 embodiment 2
For the bigger large-scale energy-saving digital control helical forcing press of big belt pulley, motor 1 and pinion 31 homonymies can effectively avoid belt long.The shape of the upright arm 5 in the right side of this kind structure is different from embodiment 1, is straight shape.
Wearing and tearing occur for fear of the pinion long-term work, influence the service life of pinion, pinion shaft can be made up of pinion 31, power transmission shaft 32 and flat key 33.Flat key 33 can be 2 or 3, after pinion 31 part wearing and tearing, turns and adjusts pinion 31 positions, effectively increases the life-span of pinion 31.
In order to enhance productivity, set up rotary inertia adjusting ring 34 in gear wheel 17 ends, rotary inertia adjusting ring 34 is fastened on gear wheel 17 ends, to regulate rotary inertia, reaches the purpose of regulating motor speed and pressure when productivity ratio is regulated.
With reference to Fig. 3 embodiment 3
Wearing and tearing occur for fear of the pinion long-term work, influence the service life of pinion, pinion shaft can be made up of segmentation pinion 35, power transmission shaft 32 and flat key 33.Segmentation pinion 35 is two sections and is connected with power transmission shaft 32 by flat key 33.When using a period of time, after 35 part wearing and tearing of segmentation pinion, can adjust segmentation pinion 35 positions with exchanging up and down, effectively increase the life-span of segmentation pinion 35.All the other are with embodiment 1.
In order to enhance productivity, in gear wheel 17, set up rotary inertia adjusting ring 34, rotary inertia adjusting ring 34 is fastened in the gear wheel 17.Rotary inertia adjusting ring 34 is integral type or combined type, and combined type is combined by multi-disc.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (10)
1. numerically controlled fly press, comprise motor (1), last transmission system, fly press (19), brake (10) and control system, last transmission system connects motor (1) respectively, fly press (19) and brake (10), control system connects the control end of motor (1) and brake (10), it is characterized in that: go up transmission system and comprise belt transmission, half gear-box of a gear drive and a fixation, transmission case, belt-tension regulating apparatus and belt flatness adjusting device, tonnage instrument (30) is set, and tonnage instrument (30) is installed in fly press (19) and goes up its output connection control system.
2. numerically controlled fly press according to claim 1 is characterized in that: half gear-box comprises preceding half chests (12) and back half chests (13), and preceding half chests (12) is fixedlyed connected with back half chests (13); Transmission case comprises the upright arm (15) in a left side, right upright arm (5) and upper cover plate (8), upright arm (15) bottom, a left side connects the left upper end of fly press (19), right upright arm (5) bottom connects the upper right side of fly press (19), the right-hand member of upper cover plate (8) connects right upright arm (5), the left end of upper cover plate (8) connects half gear-box, and half gear-box connects the inboard of the upright arm (15) in a left side; Belt-tension regulating apparatus comprises to be adjusted plate (2), rotating shaft (3) and adjusts bolt (4), motor (1) is fixed on to be adjusted on the plate (2), adjust plate (2) rotating shaft (3) that is slidingly connected, rotating shaft (3) is fixed on the right upright arm (5), and adjustment bolt (4) is installed in adjustment plate (2) and goes up and hold out against right upright arm (5); Belt flatness adjusting device is arranged on the transmission case, belt flatness adjusting device is made up of first nut (25), first screw (26), second nut (27) and second screw (28), first nut (25) is installed on the upright arm (15) in a left side, first screw (26) is tightened in first nut (25), second nut (27) is installed in to be adjusted on the plate (2), and second screw (28) is tightened on second nut (27).
3. numerically controlled fly press according to claim 2 is characterized in that: belt-tension regulating apparatus is installed in the left side, and rotating shaft (3) is fixed on the upright arm (15) in a left side, and adjustment bolt (4) is installed in adjustment plate (2) and goes up and hold out against the upright arm (15) in a left side.
4. numerically controlled fly press according to claim 1, it is characterized in that: gear drive connects half gear-box and fly press (19), gear drive comprises pinion shaft, gear wheel (17), gear wheel (17) and pinion shaft engaged transmission, gear wheel (17) connects the screw rod (16) of fly press, motor output shaft connects the bel-drivenn input, the bel-drivenn output is fixed on the pinion shaft, axle head connects brake (10), and pinion shaft connects half gear-box by bearing (14).
5. numerically controlled fly press according to claim 4, it is characterized in that: pinion shaft is the box-like or segmented gear combined type of integral type or gear train, box-like pinion (31), power transmission shaft (32) and the flat key (33) of comprising of gear train, pinion (31) is by the fixedly connected power transmission shaft of flat key (33) (32), and power transmission shaft (32) connects pinion stand by bearing (14).
6. numerically controlled fly press according to claim 5, it is characterized in that: the segmented gear combined type comprises segmentation pinion (35), power transmission shaft (32) and flat key (33), segmentation pinion (35) is by the fixedly connected power transmission shaft of flat key (33) (32), and power transmission shaft (32) connects pinion stand by bearing (14).
7. numerically controlled fly press according to claim 4 is characterized in that: gear wheel (17) is integral type or adjustable type.
8. numerically controlled fly press according to claim 7 is characterized in that: adjustable type is to set up rotary inertia adjusting ring (34) on gear wheel (17), and rotary inertia adjusting ring (34) is arranged in the end or gear wheel (17) of gear wheel (17).
9. numerically controlled fly press according to claim 1 is characterized in that: the rotary inertia adjusting ring is integral type or combined type, and combined type is combined by multi-disc.
10. the control method of the described numerically controlled fly press of claim 1 is characterized in that: pressure set points F
2Input control system, the real-time monitor value F of control system comparative pressure
1, F
0And difference DELTA F
1With the real-time monitor value ω of rotating speed
1, ω
0And difference DELTA ω
1, control system by formula
Adjust motor speed.In the formula, Δ ω
1=ω
1-ω
0, Δ F
1=F
1-F
0, ω
0Be t
0Motor speed constantly, F
0Be ω
0The time detected pressure value, ω
1Be t
1Motor speed constantly, F
1Be ω
1The time detected pressure value, ω
2Be t
2Motor speed constantly, F
2Be pressure set points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102826836A CN101979241B (en) | 2010-09-13 | 2010-09-13 | Energy-saving numerical control screw press and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102826836A CN101979241B (en) | 2010-09-13 | 2010-09-13 | Energy-saving numerical control screw press and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101979241A true CN101979241A (en) | 2011-02-23 |
| CN101979241B CN101979241B (en) | 2012-01-11 |
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|---|---|---|---|
| CN2010102826836A Expired - Fee Related CN101979241B (en) | 2010-09-13 | 2010-09-13 | Energy-saving numerical control screw press and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419402A (en) * | 2013-08-13 | 2013-12-04 | 山东理工大学 | Method for controlling running of direct drive motor of screw servo press and device for implementing method |
| CN110539520A (en) * | 2018-05-28 | 2019-12-06 | 会田工程技术有限公司 | double blank detection device for press and die protection device for press |
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| GB620003A (en) * | 1947-01-01 | 1949-03-17 | William Charles Bilham | Improvements in or relating to machines for folding or bending metal sheets |
| GB1128533A (en) * | 1966-08-27 | 1968-09-25 | Hiller & Lutz | Screw press |
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| CN101476968A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Integral stiffness measuring method of screw press |
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2010
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Patent Citations (9)
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|---|---|---|---|---|
| GB543717A (en) * | 1940-10-12 | 1942-03-10 | John Henry Hindle | Improvements in baling presses |
| GB620003A (en) * | 1947-01-01 | 1949-03-17 | William Charles Bilham | Improvements in or relating to machines for folding or bending metal sheets |
| GB1128533A (en) * | 1966-08-27 | 1968-09-25 | Hiller & Lutz | Screw press |
| US4007678A (en) * | 1974-06-13 | 1977-02-15 | Aktiebolaget Electrolux | Compactor press assembly |
| JPS6427795A (en) * | 1987-07-22 | 1989-01-30 | Sankei Kikai Kk | Electric motor screw press device for powder material |
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| EP1602471A1 (en) * | 2004-06-02 | 2005-12-07 | Matam France | Continuously operating press for forming, welding or cutting objects from a band |
| KR100681414B1 (en) * | 2005-07-11 | 2007-02-12 | 안희종 | Screen for advertisement including real picture |
| CN101476968A (en) * | 2009-01-20 | 2009-07-08 | 山东理工大学 | Integral stiffness measuring method of screw press |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419402A (en) * | 2013-08-13 | 2013-12-04 | 山东理工大学 | Method for controlling running of direct drive motor of screw servo press and device for implementing method |
| CN103419402B (en) * | 2013-08-13 | 2015-03-18 | 山东理工大学 | Method for controlling running of direct drive motor of screw servo press and device for implementing method |
| CN110539520A (en) * | 2018-05-28 | 2019-12-06 | 会田工程技术有限公司 | double blank detection device for press and die protection device for press |
| US11400506B2 (en) | 2018-05-28 | 2022-08-02 | Aida Engineering, Ltd. | Double-blank detecting apparatus for press machine and die protecting apparatus for press machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101979241B (en) | 2012-01-11 |
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Address after: 255086 Zibo high tech Industrial Development Zone, Shandong high Chong Park, block D, room 1012 Patentee after: Shandong University of Technology Patentee after: SHANDONG KEHUI POWER AUTOMATION CO., LTD. Address before: 255086 Zibo high tech Industrial Development Zone, Shandong high Chong Park, block D, room 1012 Patentee before: Shandong University of Technology Patentee before: Shandong Kehui Electric Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20130913 |