CN109175065B - Mechanical servo fine blanking machine - Google Patents
Mechanical servo fine blanking machine Download PDFInfo
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- CN109175065B CN109175065B CN201811061417.3A CN201811061417A CN109175065B CN 109175065 B CN109175065 B CN 109175065B CN 201811061417 A CN201811061417 A CN 201811061417A CN 109175065 B CN109175065 B CN 109175065B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/002—Drive of the tools
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Abstract
The invention relates to a mechanical servo fine blanking machine which comprises a main blanking mechanism, a prepressing mechanism, a reverse ejection mechanism and a rack. The main punching mechanism is used for driving the main punching slide block to move from bottom to top so that the male die and the female die can cut and punch the workpiece; a male die is arranged on the lower workbench and fixed on the main punching slide block, and a female die is arranged below the upper workbench and fixed on the frame; the prepressing mechanism is arranged on the main punching slide block and used for driving the prepressing slide block to penetrate through the main punching slide block and the lower workbench to prepress a workpiece through a blank holder on the male die; the reverse ejection mechanism is used for driving the reverse ejection sliding block to penetrate through the upper workbench and press the workpiece downwards through an ejector on the female die, ejecting the workpiece and unloading waste materials. The main punching mechanism, the reverse ejection mechanism and the prepressing mechanism are all driven by servo motors, the moving speed of each sliding block can be adjusted in a stepless mode, the adjusting precision of the main punching, the reverse ejection and the prepressing pressure is high, the closing height of the servo punching machine can be accurately adjusted through the adjusting module, and the automatic punching machine is suitable for punching various types of precise parts.
Description
Technical Field
The invention relates to the field of fine blanking presses, in particular to a mechanical servo fine blanking machine.
Background
The fine blanking technology is widely applied to the fields of machinery, electronics, automobiles, aerospace and the like, and the fine blanking press is special blanking equipment for finishing the fine blanking process and the fine blanking composite process. According to the structural classification of the main transmission system, the fine blanking press can be divided into a mechanical fine blanking press (the main transmission system adopts mechanical transmission) and a hydraulic fine blanking press (the main transmission system adopts hydraulic transmission). The traditional mechanical fine blanking press is driven by a common motor, not only has a complex structure and an unadjustable slide block motion curve, but also has small blanking tonnage and can only produce small and thin simple fine blanking pieces. At present, although the most widely used full-hydraulic fine blanking press greatly improves the blanking tonnage of fine blanking, the production efficiency is low, and the problems that the repeated precision of the sealing height is low, oil leakage of a hydraulic system is easy to occur and the like are difficult to solve exist.
The servo motor is an advanced control element, can convert an electric signal into torque and rotating speed to drive a control object, and has extremely high speed and position control precision. Along with the development maturity and the wide application of servo motor technique, this application is used for accurate punching press technical field with servo motor to solve current accurate punching press not enough, and realize high-speed accurate punching.
There are also some related technologies applying servo motors to the fine blanking field, but the servo motors are only used for driving the main blanking mechanism, and the blank pressing and reverse jacking mechanism still generally adopts the traditional hydraulic mode.
Disclosure of Invention
The invention aims to provide a mechanical servo fine blanking machine.
The technical scheme for solving the technical problems is as follows:
a mechanical servo fine blanking machine comprises a main blanking mechanism, a prepressing mechanism, a reverse ejection mechanism and a frame, wherein the main blanking mechanism and the reverse ejection mechanism are arranged on the frame, the main blanking mechanism is used for driving a main blanking slide block to move from bottom to top through a toggle rod mechanism and further driving a lower workbench to move from bottom to top so as to enable a male die and a female die to shear and blank a workpiece, the male die is installed on the lower workbench and fixed on the main blanking slide block, the prepressing mechanism is arranged on the main blanking slide block, the prepressing mechanism is used for driving the prepressing slide block to penetrate through the main blanking slide block and the lower workbench through a blank holder on the male die through the toggle rod mechanism to prepress the workpiece, the reverse ejection mechanism is used for driving the reverse ejection slide block to penetrate through an upper workbench and press the workpiece through an ejector on the female die so as to eject the workpiece and remove waste materials, the female die is installed below the upper workbench and fixed on the frame below the reverse ejection mechanism, and the upper working table is positioned right above the lower working table, and the main punching mechanism, the prepressing mechanism and the reverse ejection mechanism are all driven by servo motors.
Furthermore, the main punching mechanism comprises a main punching slide block and main punching pushing mechanisms symmetrically arranged on the left side and the right side below the main punching slide block, each main punching pushing mechanism comprises a main punching servo motor, a main punching screw rod slide block, a first main punching toggle rod, a second main punching toggle rod and a third main punching toggle rod, the main punching servo motor is used for driving the main punching screw rod to rotate through driving the main punching screw rod to drive the main punching screw rod slide block to slide, the lower end of the third main punching toggle rod and the upper end of the first main punching toggle rod are hinged through a rotating shaft to form a main punching middle hinged end, one end of the second main punching toggle rod is hinged with the main punching screw rod slide block through the rotating shaft, the other end of the second main punching toggle rod is hinged with the main punching middle hinged end through the rotating shaft, the upper end of the third main punching toggle rod is hinged with the lower side of the main punching slide block through the rotating shaft, and the.
Further, pre-compaction mechanism includes pre-compaction mounting bracket, pre-compaction servo motor, pre-compaction lead screw slider, pre-compaction slider, first pre-compaction knee, second pre-compaction knee and third pre-compaction knee, the pre-compaction mounting bracket is fixed and is being dashed the slider below at the owner, pre-compaction servo motor installs on the pre-compaction mounting bracket, pre-compaction servo motor is used for rotating through drive pre-compaction lead screw and drives pre-compaction lead screw slider slip, articulated end in the middle of third pre-compaction knee lower extreme and the first pre-compaction knee are articulated through the pivot and form the pre-compaction, second pre-compaction knee one end is articulated through pivot and pre-compaction lead screw slider, and the other end is articulated through pivot and pre-compaction middle articulated end, third pre-compaction knee upper end is articulated through pivot and pre-compaction slider below, and first pre-compaction knee lower extreme is articulated.
Further, the reverse ejection mechanism comprises a reverse ejection servo motor, a reverse ejection screw rod slider, a reverse ejection slider and a reverse ejection transmission mechanism symmetrically arranged on the left side and the right side of the reverse ejection screw rod slider, the reverse ejection transmission mechanism comprises a first reverse ejection toggle rod, a second reverse ejection toggle rod and a third reverse ejection toggle rod, the reverse ejection servo motor is used for driving the reverse ejection screw rod slider to slide through driving the reverse ejection screw rod to rotate, the lower end of the third reverse ejection toggle rod and the upper end of the first reverse ejection toggle rod are hinged through a rotating shaft to form a reverse ejection middle hinged end, one end of the second reverse ejection toggle rod is hinged to one side of the reverse ejection screw rod slider through the rotating shaft, the other end of the second reverse ejection toggle rod is hinged to the reverse ejection middle hinged end through the rotating shaft, the upper end of the third reverse ejection toggle rod is hinged to the rack through the rotating shaft, and the lower end of the first reverse ejection toggle rod is hinged to the reverse.
Furthermore, the main punch pushing mechanism is connected with the main punch sliding block through the adjusting module, and the adjusting module is used for adjusting the limit position of the main punch sliding block, which moves upwards, by adjusting the vertical distance between the upper end of the third main punch toggle rod and the main punch sliding block.
Furthermore, the adjusting module comprises an adjusting screw rod, a hinged seat and turbine screws symmetrically arranged at the left end and the right end of the adjusting screw rod, the side surface of the turbine screw is provided with internal threads, the two ends of the adjusting screw rod are in threaded connection with the side surface of the turbine screw, the hinge seat is arranged right below the turbine screw, and the threaded rod above the hinged seat is connected with the thread on the inner side of the turbine screw, the lower part of the hinged seat is hinged with the upper end of the third main stamping toggle rod, the hinge seats symmetrically arranged at the left end and the right end of the adjusting screw rod are respectively matched and arranged with the main punch pushing mechanisms symmetrically arranged at the left side and the right side below the main punch slide block, the adjusting screw is used for driving the turbine screw to rotate through driving the adjusting screw, the threaded rod above the hinge seat and the threaded length of the inner side of the turbine screw can be adjusted through rotation of the turbine screw, and then the vertical distance between the upper end of the third main ram toggle rod and the main ram sliding block is adjusted.
The invention has the beneficial effects that: the servo punching machine has the functions of prepressing, blanking and reverse ejection, the prepressing mechanism, the main punching mechanism and the reverse ejection mechanism are all driven by the servo motor, and the movement speed of each sliding block can be regulated in a stepless manner; the toggle rod transmission mechanism is adopted, the main blanking tonnage is large, and the main blanking, reverse jacking and prepressing pressure regulation precision is high; the main punch adopts a bottom-up transmission mechanism, so that the integral gravity center height of the press is reduced, and gaps among parts of a transmission chain in a working stroke are eliminated; the pure motor is adopted for driving, no hydraulic oil source is provided, the occupied space of the equipment is reduced, and the use and maintenance are more convenient; the closing height of the main punching mechanism can be accurately and conveniently adjusted through the adjusting module, the blanking speed and the blanking force can be adjusted according to the blank adaptability of different thicknesses and different materials, and the main punching mechanism is suitable for blanking various types of precision parts.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural diagram of a main punching mechanism;
FIG. 3 is a schematic view of a pre-press mechanism;
FIG. 4 is a schematic structural view of a reverse jack mechanism;
FIG. 5 is a schematic view of the bottom structure of the conditioning module;
fig. 6 is a schematic side view of the adjusting module.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a main punching mechanism; 2. a pre-pressing mechanism; 3. a reverse jacking mechanism; 4. a frame; 5. an adjustment module; 6. a lower working table; 7. an upper working table; 11. a main punching slide block; 12. a main punch servo motor; 13. a main lead screw; 14. a main lead screw slider; 15. a first main ram toggle lever; 16. a second main ram toggle lever; 17. a third main ram toggle lever; 21. pre-pressing the mounting frame; 22. prepressing a servo motor; 23. prepressing a screw rod; 24. prepressing a sliding block; 25. a first pre-pressing toggle rod; 26. a second pre-pressing toggle rod; 27. a third pre-pressing toggle rod; 28. prepressing a screw rod sliding block; 31. a reverse jacking servo motor; 32. a reverse jacking screw rod; 33. a reverse jackscrew slide block; 34. a reverse ejection sliding block; 35. a first reverse top toggle link; 36. a second reverse-ejecting toggle link; 37. a third reverse top toggle link; 51. adjusting the screw rod; 52. a hinged seat; 53. turbine screw
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, a mechanical servo fine blanking machine comprises a main blanking mechanism 1, a prepressing mechanism 2, an anti-ejection mechanism 3 and a frame 4, wherein the main blanking mechanism 1 and the anti-ejection mechanism 3 are both arranged on the frame 4, the main blanking mechanism 1 is used for driving a main blanking slide block 11 to move from bottom to top through a toggle rod mechanism, and further driving a lower workbench 6 to move from bottom to top so as to enable a male die and a female die to shear and blank a workpiece, the male die is mounted on the lower workbench 6 and fixed on the main blanking slide block 11, the prepressing mechanism 2 is arranged on the main blanking slide block 11, the prepressing mechanism 2 is used for driving a prepressing slide block 24 to pass through the main blanking slide block 11 and the lower workbench 6 through a blank holder on the male die through the toggle rod mechanism to prepress the workpiece, the anti-ejection mechanism 3 is used for driving an anti-ejection slide block 34 to pass through an upper workbench 7 through an ejector on the female die to press the workpiece through a workpiece, ejecting the workpiece and unloading the waste material, wherein a concave die is arranged below the upper workbench 7 and fixed on the rack 4 below the reverse ejection mechanism 3, the upper workbench 7 is positioned right above the lower workbench 6, and the main punching mechanism 1, the prepressing mechanism 2 and the reverse ejection mechanism 3 are all driven by a servo motor.
As shown in fig. 2, the main punch mechanism 1 includes a main punch slide block 11 and main punch pushing mechanisms symmetrically arranged at the left and right sides below the main punch slide block 11, the main punching pushing mechanism comprises a main punching servo motor 12, a main punching screw rod 13, a main punching screw rod slide block 14, a first main punching toggle rod 15, a second main punching toggle rod 16 and a third main punching toggle rod 17, the main punching servo motor 12 is used for driving the main punching screw rod 13 to rotate so as to drive the main punching screw rod sliding block 14 to slide, the lower end of the third main punching toggle rod 17 is hinged with the upper end of the first main punching toggle rod 15 through a rotating shaft to form a main punching middle hinged end, one end of the second main stamping toggle rod 16 is hinged with the main stamping screw rod slide block 14 through a rotating shaft, the other end is hinged with the middle hinged end of the main stamping through a rotating shaft, the upper end of the third main stamping toggle rod 17 is hinged with the lower part of the main stamping slide block 11 through a rotating shaft, and the lower end of the first main stamping toggle rod 15 is hinged with the lower part of the rack 4 through a rotating shaft.
As shown in fig. 3, the pre-pressing mechanism 2 includes a pre-pressing mounting frame 21, a pre-pressing servomotor 22, a pre-pressing lead screw 23, a pre-pressing lead screw slider 28, a pre-pressing slider 24, a first pre-pressing toggle 25, a second pre-pressing toggle 26 and a third pre-pressing toggle 27, the prepressing mounting frame 21 is fixed below the main punching slide block 11, the prepressing servo motor 22 is arranged on the prepressing mounting frame 21, the prepressing servo motor 22 is used for driving the prepressing screw rod slide block 28 to slide by driving the prepressing screw rod 23 to rotate, the lower end of the third prepressing toggle rod 27 and the upper end of the first prepressing toggle rod 25 are hinged through a rotating shaft to form a prepressing middle hinged end, one end of the second prepressing toggle rod 26 is hinged with a prepressing screw rod slide block 28 through a rotating shaft, the other end is hinged with a prepressing middle hinged end through a rotating shaft, the upper end of the third pre-pressing toggle rod 27 is hinged with the lower part of the pre-pressing slide block 24 through a rotating shaft, and the lower end of the first pre-pressing toggle rod 25 is hinged with the lower part of the pre-pressing mounting rack 21 through a rotating shaft.
As shown in fig. 4, the reverse jacking mechanism 3 comprises a reverse jacking servo motor 31, a reverse jacking screw rod 32, a reverse jacking screw rod slide block 33, a reverse jacking slide block 34 and reverse jacking transmission mechanisms symmetrically arranged at the left side and the right side of the reverse jacking screw rod 32 slide block, the reverse-jacking transmission mechanism comprises a first reverse-jacking toggle rod 35, a second reverse-jacking toggle rod 36 and a third reverse-jacking toggle rod 37, the reverse jacking servo motor 31 is used for driving the reverse jacking screw rod 32 to rotate so as to drive the reverse jacking screw rod sliding block 33 to slide, the lower end of the third reverse top toggle link 37 and the upper end of the first reverse top toggle link 35 are hinged through a rotating shaft to form a reverse top middle hinged end, one end of the second reverse-jacking toggle rod 36 is hinged with one side of the reverse-jacking screw rod sliding block 33 through a rotating shaft, the other end is hinged with the middle hinged end of the reverse jacking through a rotating shaft, the upper end of the third reverse top toggle rod 37 is hinged with the frame 4 through a rotating shaft, and the lower end of the first reverse top toggle rod 35 is hinged above the reverse top slide block 34 through a rotating shaft.
As shown in fig. 5 and 6, the mechanism further comprises an adjusting module 5, the main punch pushing mechanism is connected with the main punch slide block through the adjusting module 5, and the adjusting module 5 is used for adjusting the upward movement limit position of the main punch slide block 11 by adjusting the vertical distance between the upper end of the third main punch toggle rod 17 and the main punch slide block.
The adjusting module 5 comprises an adjusting screw 51, a hinge base 52 and turbine screws 53 symmetrically arranged at the left end and the right end of the adjusting screw 51, the side surface of the turbine screw 53 is provided with internal threads, the two ends of the adjusting screw 51 are in threaded connection with the side surface of the turbine screw 53, the hinge seat 52 is arranged right below the turbine screw 53, and the threaded rod above the hinged seat 52 is connected with the thread on the inner side of the worm wheel 53, the lower part of the hinged seat 52 is hinged with the upper end of the third main punching toggle rod 17, the hinge seats 52 symmetrically arranged at the left and right ends of the adjusting screw 51 are respectively matched and arranged with the main punch pushing mechanisms symmetrically arranged at the left and right sides below the main punch slide block, the adjusting screw 51 is used for driving the worm wheel 53 to rotate by driving the adjusting screw 51 to rotate, the worm wheel screw 53 can adjust the threaded length between the threaded rod above the hinge seat 52 and the inner side of the worm wheel screw 53 through rotation, and then the vertical distance between the upper end of the third main punching toggle rod 17 and the main punching slide block 11 is adjusted.
When the punching mechanism is used, firstly, a punching concave die and a punching convex die are respectively arranged on an upper workbench and a lower workbench, a punching plate is placed between the convex die and the concave die, then a main punching servo motor of a main punching mechanism is started to control the main punching servo motor to rotate forwards, the main punching servo motor drives a main punching pushing mechanism and further drives a main punching slide block to move upwards, the main punching slide block drives a pre-pressing mechanism on a pre-pressing mounting frame to move upwards, so that the punching die approaches the punching plate, then the main punching servo motor is stopped, a pre-pressing servo motor of the pre-pressing mechanism is started, the pre-pressing servo motor drives a pre-pressing lead screw slide block to move through a driving pre-pressing lead screw, the pre-pressing lead screw slide block drives the pre-pressing slide block to move upwards through a driving toggle rod mechanism, the pre-pressing slide block penetrates through the main punching slide block, the lower workbench provides constant blank holding force for a workpiece, the main punch servo motor is controlled to rotate forwards and then drives the main punch slide block to move upwards by driving the main punch pushing mechanism, the punching machine is characterized in that main blanking is carried out on a punched plate, after blanking is finished, a main punching servo motor of a main punching mechanism is started, the main punching servo motor is controlled to rotate reversely, the main punching servo motor drives a main punching slide block to move downwards through driving a main punching pushing mechanism, a male die is far away from the punched plate, an anti-ejection servo motor of an anti-ejection mechanism is started again, the pre-pressing servo motor of the anti-ejection mechanism drives a pre-pressing lead screw slide block to move through driving an anti-ejection lead screw slide block to move downwards through driving a toggle rod mechanism, the anti-ejection lead screw slide block drives the anti-ejection slide block to move downwards through driving a toggle rod mechanism, the anti-ejection slide block penetrates through an upper working table and provides counter pressure for a workpiece through an ejector on the female die, the workpiece is ejected out of the.
The servo punching machine has the functions of prepressing, punching and reverse ejection, the prepressing mechanism, the main punching mechanism and the reverse ejection mechanism are driven by the servo motors, a toggle rod transmission structure is adopted, the tonnage of main punching is large, the adjusting precision of the main punching, reverse ejection and prepressing pressure is high, the closing height of the servo punching machine can be conveniently adjusted through the adjusting module, the punching speed and the punching force can be adaptively adjusted according to blanks with different thicknesses and different materials, and the servo punching machine is suitable for punching various types of precision parts.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The mechanical servo fine blanking machine is characterized by comprising a main punching mechanism (1), a prepressing mechanism (2), an anti-ejection mechanism (3) and a rack (4), wherein the main punching mechanism (1) and the anti-ejection mechanism (3) are arranged on the rack (4), the main punching mechanism (1) is used for driving a main punching slide block (11) to move from bottom to top through a toggle rod mechanism, and then drives a lower workbench (6) to move from bottom to top so that a male die and a female die can shear and blank a workpiece, the lower workbench (6) is provided with the male die and is fixed on the main punching slide block (11), the prepressing mechanism (2) is arranged on the main punching slide block (11), the prepressing mechanism (2) is used for driving a prepressing slide block (24) to penetrate through the main punching slide block (11) through the toggle rod mechanism and pre-pressing rings on the male die of the lower workbench (6), and the anti-ejection mechanism (3) is used for driving an anti-ejection slide block (34) to penetrate through the upper workbench (7) through the toggle rod mechanism The workpiece pushing device on the female die pushes the workpiece down, the workpiece is ejected out, waste materials are removed, the female die is mounted below the upper workbench (7) and fixed on the rack (4) below the reverse ejection mechanism (3), the upper workbench (7) is located right above the lower workbench (6), and the main punching mechanism (1), the prepressing mechanism (2) and the reverse ejection mechanism (3) are driven by the servo motor.
2. The mechanical servo fine blanking machine according to claim 1, wherein the main blanking mechanism (1) comprises a main blanking slider (11) and main blanking pushing mechanisms symmetrically arranged at the left side and the right side below the main blanking slider (11), the main blanking pushing mechanisms comprise a main blanking servo motor (12), a main blanking screw (13), a main blanking screw slider (14), a first main blanking toggle rod (15), a second main blanking toggle rod (16) and a third main blanking toggle rod (17), the main blanking servo motor (12) is used for driving the main blanking screw (13) to rotate to drive the main blanking screw slider (14) to slide, the lower end of the third main blanking toggle rod (17) and the upper end of the first main blanking toggle rod (15) are hinged through a rotating shaft to form a main blanking middle hinged end, one end of the second main blanking toggle rod (16) is hinged with the main blanking screw slider (14) through a rotating shaft, and the other end is hinged with the main blanking middle hinged end through a rotating shaft, the upper end of the third main stamping toggle rod (17) is hinged with the lower part of the main stamping slide block (11) through a rotating shaft, and the lower end of the first main stamping toggle rod (15) is hinged with the lower part of the rack (4) through a rotating shaft.
3. The mechanical servo fine blanking machine according to claim 1, wherein the pre-pressing mechanism (2) comprises a pre-pressing mounting frame (21), a pre-pressing servo motor (22), a pre-pressing lead screw (23), a pre-pressing lead screw slider (28), a pre-pressing slider (24), a first pre-pressing toggle rod (25), a second pre-pressing toggle rod (26) and a third pre-pressing toggle rod (27), the pre-pressing mounting frame (21) is fixed below the main blanking slider (11), the pre-pressing servo motor (22) is mounted on the pre-pressing mounting frame (21), the pre-pressing servo motor (22) is used for driving the pre-pressing lead screw slider (28) to slide by driving the pre-pressing lead screw (23) to rotate, the lower end of the third pre-pressing toggle rod (27) and the upper end of the first pre-pressing toggle rod (25) are hinged through a rotating shaft to form a pre-pressing middle end, one end of the second pre-pressing toggle rod (26), the other end is hinged with the middle hinged end of prepressing through a rotating shaft, the upper end of a third prepressing toggle rod (27) is hinged with the lower part of a prepressing sliding block (24) through a rotating shaft, and the lower end of a first prepressing toggle rod (25) is hinged with the lower part of a prepressing mounting frame (21) through a rotating shaft.
4. The mechanical servo fine blanking machine according to claim 1, wherein the reverse ejection mechanism (3) comprises a reverse ejection servo motor (31), a reverse ejection lead screw (32), a reverse ejection lead screw slide block (33), a reverse ejection slide block (34) and reverse ejection transmission mechanisms symmetrically arranged at the left and right sides of the reverse ejection lead screw (32) slide block, the reverse ejection transmission mechanisms comprise a first reverse ejection toggle rod (35), a second reverse ejection toggle rod (36) and a third reverse ejection toggle rod (37), the reverse ejection servo motor (31) is used for driving the reverse ejection lead screw (32) to rotate and driving the reverse ejection lead screw slide block (33) to slide, the lower end of the third reverse ejection toggle rod (37) and the upper end of the first reverse ejection toggle rod (35) are hinged through a rotating shaft to form a reverse ejection middle hinged end, one end of the second reverse ejection toggle rod (36) is hinged to one side of the reverse ejection lead screw slide block (33) through a rotating shaft, and the other end of the reverse ejection middle hinged end through a rotating shaft, the upper end of the third reverse top toggle rod (37) is hinged with the rack (4) through a rotating shaft, and the lower end of the first reverse top toggle rod (35) is hinged with the upper part of the reverse top sliding block (34) through a rotating shaft.
5. The mechanical servo fine blanking machine according to claim 2, characterized by further comprising an adjusting module (5), wherein the main blanking pushing mechanism is connected with the main blanking slider through the adjusting module (5), and the adjusting module (5) is used for adjusting the upward movement limit position of the main blanking slider (11) by adjusting the vertical distance between the upper end of the third main blanking toggle rod (17) and the main blanking slider.
6. The mechanical servo fine blanking press as recited in claim 5, wherein the adjusting module (5) comprises an adjusting screw (51), a hinged seat (52) and turbine screws (53) symmetrically arranged at the left and right ends of the adjusting screw (51), the side of the turbine screw (53) is provided with internal threads, the two ends of the adjusting screw (51) are in threaded connection with the side of the turbine screw (53), the hinged seat (52) is arranged under the turbine screw (53), a threaded rod above the hinged seat (52) is in threaded connection with the inner side of the turbine screw (53), the lower part of the hinged seat (52) is hinged with the upper end of a third main blanking toggle rod (17), the hinged seats (52) symmetrically arranged at the left and right ends of the adjusting screw (51) are respectively installed in cooperation with main blanking pushing mechanisms symmetrically arranged at the left and right sides under the main blanking sliding block, the adjusting screw (51) is used for driving the turbine screw (53) to rotate by driving the adjusting screw (51), the worm wheel screw (53) can adjust the screw connection length between the threaded rod above the hinge seat (52) and the inner side of the worm wheel screw (53) through rotation, and then the vertical distance between the upper end of the third main punching toggle rod (17) and the main punching slide block (11) is adjusted.
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| CN201811061417.3A CN109175065B (en) | 2018-09-12 | 2018-09-12 | Mechanical servo fine blanking machine |
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|---|---|---|---|
| CN201811061417.3A CN109175065B (en) | 2018-09-12 | 2018-09-12 | Mechanical servo fine blanking machine |
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| CN109175065A CN109175065A (en) | 2019-01-11 |
| CN109175065B true CN109175065B (en) | 2020-04-14 |
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| CN2224718Y (en) * | 1995-01-17 | 1996-04-17 | 方东 | Precise punch press |
| JP4404984B2 (en) * | 1999-03-24 | 2010-01-27 | 株式会社山田ドビー | Press machine |
| CN102320153B (en) * | 2011-06-14 | 2014-11-05 | 西安交通大学 | Transmission system suitable for large-tonnage alternating current servo press |
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2018
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| CN109175065A (en) | 2019-01-11 |
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Inventor after: Chen Yitao Inventor after: Chen Junyu Inventor after: Hu Jiwen Inventor after: Su Gongbing Inventor after: Ma Honglin Inventor after: Song Zhifeng Inventor after: Wang Jie Inventor after: Wang Zeyi Inventor after: Huang Shu Inventor before: Chen Yitao Inventor before: Hu Jiwen Inventor before: Su Gongbing Inventor before: Ma Honglin Inventor before: Song Zhifeng Inventor before: Wang Jie Inventor before: Wang Zeyi Inventor before: Huang Shu |