CN104354314A - Main driving system for numerical control servo punching machine - Google Patents
Main driving system for numerical control servo punching machine Download PDFInfo
- Publication number
- CN104354314A CN104354314A CN201410609942.XA CN201410609942A CN104354314A CN 104354314 A CN104354314 A CN 104354314A CN 201410609942 A CN201410609942 A CN 201410609942A CN 104354314 A CN104354314 A CN 104354314A
- Authority
- CN
- China
- Prior art keywords
- eccentric shaft
- servomotor
- numerical control
- gland
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004080 punching Methods 0.000 title abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 210000004907 gland Anatomy 0.000 claims description 24
- 239000002828 fuel tank Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 239000011087 paperboard Substances 0.000 claims description 6
- 241000168254 Siro Species 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
- B30B1/266—Drive systems for the cam, eccentric or crank axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention relates to a main driving system for a numerical control servo punching machine. A guide sleeve is fixedly arranged at the lower end part of a main transmission oil tank, a sliding sleeve and a third press cover are arranged in the guide sleeve, the third press cover is fixedly arranged at the lower end part of the guide sleeve, a slide block is glidingly inserted in the third press cover and the slide sleeve, an eccentric shaft is rotationally arranged in the main transmission oil tank, a separation sleeve is connected onto the eccentric shaft in a sleeving way, the large head end of a connecting rod is connected onto the separation sleeve in the sleeving way, the small head end of the connecting rod is hinged to the upper end part of the slide block, the eccentric shaft passes through a hollow main shaft of a servo motor, the hollow main shaft of the servo motor is tightly connected with the eccentric shaft through an expansion sleeve, and the servo motor is connected with a driver. The main driving system has the advantages that the servo motor adopts a special hollow shaft structure, the organic combination of the servo motor and the eccentric shaft is realized through the connection of the expansion sleeve, the structure is compact and firm, and the maintenance cost in the use process is low.
Description
Technical field
The present invention relates to a kind of punch press drive system, the present invention especially relates to a kind of main drive system of numerical control servo punch press.
Background technology
Along with the increase of cost of labor, the requirement of people to punch press drawing velocity also improves constantly, and requires functions such as increasing impression, carve characters, completes all operations at a machine tool as far as possible.Traditional punch press adopts mechanical drive mode, and motor power (output) to drive plate, makes eccentric shaft turns by belt transmission then, and band movable slider moves up and down.Motor speed is generally 1440 revs/min, gearratio is about 4.5, after calculating, the speed that slide block moves up and down (punching press) is 320 beats/min, such punching press frequency can not meet the efficiency requirements of user, and such kind of drive can not realize pressurize, the function such as also just can not carry out impression, carve characters.There is again hydraulic driven punch press afterwards, declined fast by drift, punching press, drift Quick return process implementation punching press, drawing velocity is 550 beats/min, and the punching press frequency improves, but has a key element in hydraulic drive---accumulator, its theoretical life-span only has 2,000 ten thousand times, by actual drawing velocity 400 beats/min, work in one day 7 hours calculates, and within 119 days, must change, its price comparison is expensive, and maintenance cost is very high.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of compact conformation, firmly, the main drive system of numerical control servo punch press that maintenance cost is low.
According to technical scheme provided by the invention, the main drive system of described numerical control servo punch press, it comprises main transmission fuel tank, servomotor, connecting rod and slide block, fairlead is fixed with in the bottom of main transmission fuel tank, sliding sleeve and the 3rd gland is provided with in fairlead, 3rd gland is fixed on the bottom of fairlead, in sliding sleeve and the 3rd gland, sliding plug has slide block, eccentric shaft is rotatablely equipped with in main transmission fuel tank, eccentric shaft is socketed with spacer, the stub end of described connecting rod is socketed on spacer, the little head end of connecting rod and the upper end of slide block hinged; The main shaft of described servomotor is hollow shaft structure, and eccentric shaft is through in the hollow spindle of servomotor, and utilize expansion sleeve the hollow spindle of servomotor and eccentric shaft compact siro spinning technology, servomotor is connected with driver.
Described servomotor is high pulling torque slow-speed of revolution heavy-load type servomotor, and its model is DD450W400FHKA.
Oilhole is offered along its radial direction at the stub end of connecting rod.
The left boxboard of main transmission fuel tank is fixed with the first axle sleeve, the first gland is had at the first axle sleeve internal fixtion, in the first axle sleeve, be provided with clutch shaft bearing, the left part of described eccentric shaft is rotatably installed in clutch shaft bearing, is provided with the first oil sealing between the first gland and eccentric shaft.
Described clutch shaft bearing is single row roller bearing.
The right boxboard of main transmission fuel tank is fixed with the second axle sleeve, the second gland is had at the second axle sleeve internal fixtion, in the second axle sleeve, be provided with the second bearing, the stage casing of described eccentric shaft is rotatably installed in the second bearing, is provided with the second oil sealing between the second gland and eccentric shaft.
Described second bearing is single row roller bearing.
The model of described driver is S084.143.0000.0101.2.
The present invention has the following advantages:
1, the present invention adopts high pulling torque slow-speed of revolution heavy duty servomotor, provides the power needed for pressing sheet material;
2, special hollow axle construction taked by the servomotor in the present invention, connected realize the combination of servomotor and eccentric shaft by expansion sleeve, compact conformation and firm;
3, the driver that matches of employing of the present invention and servomotor, control corner and the velocity of rotation of servomotor, realize effective control of rotating speed and stroke, make blanking process have the kinetic characteristics such as decline at a high speed, constant speed processing, rising, and bottom dead centre extended residence time at a high speed;
4, owing to having the characteristic of movement at the uniform velocity during slide block blanked sheet material, not only the mold use life-span can be improved, and noise when can reduce blanked sheet material.In addition, high speed in blanking process declines, high speed vertical motion is non-power, and energy ezpenditure is low, has energy-conservation feature, after test, can energy-conservation 72%(compare with hydraulic drive with machine driving);
5, adopt the mode of oil cooling machine circulation fuel feeding to servomotor internal cooling, guarantee that servomotor works at a constant temperature, control temperature scope is ± 0.5 DEG C;
6, in the present invention, because each parts are all reliable connections, servo and digital control system match, and do not have consumable accessory, and therefore maintenance cost is in use low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
The main drive system of this numerical control servo punch press, it comprises main transmission fuel tank 1, servomotor 12, connecting rod 7 and slide block 15, fairlead 17 is fixed with in the bottom of main transmission fuel tank 1, sliding sleeve 16 and the 3rd gland 18 is provided with in fairlead 17, 3rd gland 18 is fixed on the bottom of fairlead 17, in sliding sleeve 16 and the 3rd gland 18, sliding plug has slide block 15, eccentric shaft 5 is rotatablely equipped with in main transmission fuel tank 1, eccentric shaft 5 is socketed with spacer 6, the stub end of described connecting rod 7 is socketed on spacer 6, the little head end of connecting rod 7 and the upper end of slide block 15 hinged, the main shaft of described servomotor 12 is hollow shaft structure, and eccentric shaft 5 is through in the hollow spindle of servomotor 12, and utilize expansion sleeve 13 the hollow spindle of servomotor 12 and eccentric shaft 5 compact siro spinning technology, servomotor 12 is connected with driver 14.
Described servomotor 12 is high pulling torque slow-speed of revolution heavy-load type servomotor, and its model is DD450W400FHKA.
Oilhole 2 is offered along its radial direction at the stub end of connecting rod 7.
The left boxboard of main transmission fuel tank 1 is fixed with the first axle sleeve 3, the first gland 19 is had at the first axle sleeve 3 internal fixtion, in the first axle sleeve 3, be provided with clutch shaft bearing 4, the left part of described eccentric shaft 5 is rotatably installed in clutch shaft bearing 4, is provided with the first oil sealing 20 between the first gland 19 and eccentric shaft 5.
Described clutch shaft bearing 4 is single row roller bearing.
The right boxboard of main transmission fuel tank 1 is fixed with the second axle sleeve 8, the second gland 10 is had at the second axle sleeve 8 internal fixtion, in the second axle sleeve 8, be provided with the second bearing 9, the stage casing of described eccentric shaft 5 is rotatably installed in the second bearing 9, is provided with the second oil sealing 11 between the second gland 10 and eccentric shaft 5.
Described second bearing 9 is single row roller bearing.
The model of described driver 14 is S084.143.0000.0101.2.
In the present invention, servomotor 12 is fixed on main transmission fuel tank 1 by high-strength screw, and main transmission fuel tank 1 is fixed by screws in frame of punch (not shown).
The main shaft of servomotor 12 is hollow-core constructions, and eccentric shaft 5, through in the hollow spindle of servomotor 12, utilizes expansion sleeve 13 servomotor 12 and eccentric shaft 5 compact siro spinning technology.
The eccentric excircle of eccentric shaft 5 is enclosed within the endoporus of spacer 6, and spacer 6 is set in the large stomidium of connecting rod 7, connecting rod 7 small end is hinged by connecting pin and slide block 15, slide block 15 moves up and down in sliding sleeve 16, sliding sleeve 16 is set in fairlead 17 hole, and fairlead 17 is fixed by screws on main transmission fuel tank 1.Like this, after servomotor 12 rotates, drive eccentric shaft 5 to rotate together, connecting rod 7 is held around eccentric rotary greatly, and connecting rod 7 small end band movable slider 15 moves up and down, and the distance that moves up and down is two times of offset.
The first axle sleeve 3, second axle sleeve 8 in main transmission fuel tank 1, clutch shaft bearing 4, second bearing 9 are coaxial with the hollow spindle of servomotor 12, support the rotation of eccentric shaft 5.
3rd gland 18, first gland 19, first oil sealing 20, second gland 10, second oil sealing 11 and the parts such as sealing ring, fuel tank cap seal to the lubricating oil in main transmission fuel tank 1.
Operation principle of the present invention is as follows:
When numerical control servo punch press works, driver 14 controls servomotor 12 and rotates, due to the effect of expansion sleeve 13, the hollow spindle of servomotor 12 and eccentric shaft 5 compact siro spinning technology, eccentric shaft 5 also rotates thereupon, and the connecting rod 7 be enclosed within eccentric shaft 5 and then rotates, and connecting pin couples together slide block 15 and connecting rod 7, like this, due to the guide effect of fairlead 17, the rotation of connecting rod 7 is converted into moving up and down of slide block 15.Main drive system controls corner and the velocity of rotation of servomotor 12, and then control stroke and the speed of slide block 15 motion, corner is large, slide block 15 stroke is just large, velocity of rotation is fast, the speed that slide block 15 moves up and down is just fast, and has the kinetic characteristic that high speed declines, constant speed is processed, risen at a high speed, meets the requirement of numerical control servo punch press blanked sheet material.Main drive system also controls the time of staying of bottom dead center of slider simultaneously, realizes marking, rolls muscle, shaping function.
Claims (7)
1. the main drive system of a numerical control servo punch press, it is characterized in that: it comprises main transmission fuel tank (1), servomotor (12), connecting rod (7) and slide block (15), fairlead (17) is fixed with in the bottom of main transmission fuel tank (1), sliding sleeve (16) and the 3rd gland (18) is provided with in fairlead (17), 3rd gland (18) is fixed on the bottom of fairlead (17), in sliding sleeve (16) with the 3rd gland (18), sliding plug has slide block (15), eccentric shaft (5) is rotatablely equipped with in main transmission fuel tank (1), eccentric shaft (5) is socketed with spacer (6), the stub end of described connecting rod (7) is socketed on spacer (6), the little head end of connecting rod (7) and the upper end of slide block (15) hinged, the main shaft of described servomotor (12) is hollow shaft structure, in the hollow spindle of eccentric shaft (5) through servomotor (12), utilize expansion sleeve (13) the hollow spindle of servomotor (12) and eccentric shaft (5) compact siro spinning technology, servomotor (12) is connected with driver (14).
2. the main drive system of numerical control servo punch press as claimed in claim 1, is characterized in that: described servomotor (12) is high pulling torque slow-speed of revolution heavy-load type servomotor.
3. the main drive system of numerical control servo punch press as claimed in claim 1, is characterized in that: offer oilhole (2) at the stub end of connecting rod (7) along its radial direction.
4. the main drive system of numerical control servo punch press as claimed in claim 1, it is characterized in that: on the left boxboard of main transmission fuel tank (1), be fixed with the first axle sleeve (3), the first gland (19) is had at the first axle sleeve (3) internal fixtion, clutch shaft bearing (4) is provided with in the first axle sleeve (3), the left part of described eccentric shaft (5) is rotatably installed in clutch shaft bearing (4), is provided with the first oil sealing (20) between the first gland (19) and eccentric shaft (5).
5. the main drive system of numerical control servo punch press as claimed in claim 4, is characterized in that: described clutch shaft bearing (4) is single row roller bearing.
6. the main drive system of numerical control servo punch press as claimed in claim 1, it is characterized in that: on the right boxboard of main transmission fuel tank (1), be fixed with the second axle sleeve (8), the second gland (10) is had at the second axle sleeve (8) internal fixtion, the second bearing (9) is provided with in the second axle sleeve (8), the stage casing of described eccentric shaft (5) is rotatably installed in the second bearing (9), is provided with the second oil sealing (11) between the second gland (10) and eccentric shaft (5).
7. the main drive system of numerical control servo punch press as claimed in claim 6, is characterized in that: described second bearing (9) is single row roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410609942.XA CN104354314A (en) | 2014-11-03 | 2014-11-03 | Main driving system for numerical control servo punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410609942.XA CN104354314A (en) | 2014-11-03 | 2014-11-03 | Main driving system for numerical control servo punching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104354314A true CN104354314A (en) | 2015-02-18 |
Family
ID=52521672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410609942.XA Pending CN104354314A (en) | 2014-11-03 | 2014-11-03 | Main driving system for numerical control servo punching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104354314A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115847899A (en) * | 2023-02-27 | 2023-03-28 | 苏州斯特智能科技有限公司 | Servo direct-drive coining press and operation method thereof |
| CN120038263A (en) * | 2025-04-14 | 2025-05-27 | 兰州兰石重工有限公司 | Direct-drive eccentric forging unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0413499A (en) * | 1990-05-01 | 1992-01-17 | Aida Eng Ltd | Slide stroke adjusting device for press machine |
| CN101695817A (en) * | 2009-10-27 | 2010-04-21 | 江苏金方圆数控机床有限公司 | Installation structure of two main transmission actuating motors in punching machinery |
| JP2011115835A (en) * | 2009-12-07 | 2011-06-16 | Aida Engineering Ltd | Method and apparatus for controlling electric servo press |
| CN203448506U (en) * | 2013-08-29 | 2014-02-26 | 江苏亚威机床股份有限公司 | Servo punching main transmission device of numerical control turret punch press |
| CN204222213U (en) * | 2014-11-03 | 2015-03-25 | 无锡锡锻机床有限公司 | The main drive system of numerical control servo punch press |
-
2014
- 2014-11-03 CN CN201410609942.XA patent/CN104354314A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0413499A (en) * | 1990-05-01 | 1992-01-17 | Aida Eng Ltd | Slide stroke adjusting device for press machine |
| CN101695817A (en) * | 2009-10-27 | 2010-04-21 | 江苏金方圆数控机床有限公司 | Installation structure of two main transmission actuating motors in punching machinery |
| JP2011115835A (en) * | 2009-12-07 | 2011-06-16 | Aida Engineering Ltd | Method and apparatus for controlling electric servo press |
| CN203448506U (en) * | 2013-08-29 | 2014-02-26 | 江苏亚威机床股份有限公司 | Servo punching main transmission device of numerical control turret punch press |
| CN204222213U (en) * | 2014-11-03 | 2015-03-25 | 无锡锡锻机床有限公司 | The main drive system of numerical control servo punch press |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115847899A (en) * | 2023-02-27 | 2023-03-28 | 苏州斯特智能科技有限公司 | Servo direct-drive coining press and operation method thereof |
| CN120038263A (en) * | 2025-04-14 | 2025-05-27 | 兰州兰石重工有限公司 | Direct-drive eccentric forging unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150218 |
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| RJ01 | Rejection of invention patent application after publication |