CN108422258B - Intelligent vibration reduction platform for processing of splicing die - Google Patents
Intelligent vibration reduction platform for processing of splicing die Download PDFInfo
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- CN108422258B CN108422258B CN201810206213.8A CN201810206213A CN108422258B CN 108422258 B CN108422258 B CN 108422258B CN 201810206213 A CN201810206213 A CN 201810206213A CN 108422258 B CN108422258 B CN 108422258B
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- damping cylinder
- piston
- main body
- platform
- platform main
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The utility model provides an intelligence damping platform for concatenation mould processing, it relates to an intelligence damping platform, concretely relates to intelligence damping platform for concatenation mould processing. The invention aims to solve the problem that vibration often occurs in the processing process of a splicing die due to the characteristics of large hardness and obvious hardness difference of the splicing die in the processing process of the splicing die. The platform comprises a platform main body, a data acquisition box, a computer, a PLC (programmable logic controller), a solid-state voltage regulator, an acceleration sensor, eight damping cylinder assemblies and a plurality of mass block units, wherein the platform main body is a rectangular block, grooves are formed in the periphery of the platform main body, two damping cylinder assemblies are arranged in each groove, each damping cylinder assembly is connected with the corresponding solid-state voltage regulator, each solid-state voltage regulator is connected with the PLC, the PLC is connected with the computer, the computer is connected with the corresponding data acquisition box, the data acquisition boxes are connected with the acceleration sensor, the acceleration sensor is connected with a splicing die, a plurality of through holes are formed in the upper surface of the platform main body, and each mass block unit is arranged in each. The invention belongs to the field of machining.
Description
Technical Field
The invention relates to an intelligent vibration reduction platform, in particular to an intelligent vibration reduction platform for processing a splicing die, and belongs to the field of machining.
Background
With the high-speed development of economic construction, improvement of the living standard of people and improvement of road infrastructure in China, the whole society rapidly enters the automobile society, automobile production and automobile consumption are combined, the automobile yield of China continuously spans a plurality of million steps in the early stage of 21 century, the yield of 2014 is 2372 million, the sales volume of 2349 million vehicles is the first of the world, and China becomes a famous automobile production and sales major country. However, with the development of society and the improvement of automobile research and development level, people have gradually improved requirements on the appearance of automobiles, which leads the life cycle of automobiles to be continuously shortened, means that the appearance and the structure of automobile covering parts need to be updated, urgent needs are provided for the improvement of the processing technology of covering part molds, and the processing difficulty of the molds at present becomes a main restriction factor of automobile modification.
In the automobile panel course of working, for improving panel stamping die's machining efficiency, adopt the whole milling process behind the concatenation of inserted type module more, the mould material is tool steel such as Cr12MoV and 7CrSiMnMoV mostly, the hardness reaches HRC50 ~ 65 after quenching, belong to typical high strength and high rigidity material, vibration phenomenon often appears in the course of working, the cutter life has seriously been influenced, workpiece surface quality, processing cost and efficiency, if can control the concatenation mould course of working vibration, to a great extent can prolong the cutter life, improve workpiece surface quality and reduce cost, consequently, develop an intelligent damping platform for concatenation mould processing and become the key problem that concatenation mould processing is badly needed to solve.
Disclosure of Invention
The invention provides an intelligent vibration reduction platform for processing a splicing die, aiming at solving the problem that vibration often occurs in the processing process of the splicing die due to the characteristics of large hardness and obvious hardness difference of the splicing die in the processing process of the splicing die.
The technical scheme adopted by the invention for solving the problems is as follows: the platform comprises a platform main body, a data acquisition box, a computer, a PLC (programmable logic controller), a solid-state voltage regulator, an acceleration sensor, eight damping cylinder assemblies and a plurality of mass block units, wherein the platform main body is a rectangular block, grooves are formed in the periphery of the platform main body, two damping cylinder assemblies are arranged in each groove, each damping cylinder assembly is connected with the solid-state voltage regulator, the solid-state voltage regulator is connected with the PLC, the PLC is connected with the computer, the computer is connected with the data acquisition box, the data acquisition box is connected with the acceleration sensor, the acceleration sensor is connected with a splicing mold, a plurality of through holes are formed in the upper surface of the platform main body, each through hole is internally provided with the mass block unit, the splicing mold is connected with a bolt hole 27 in the platform main body, and the splicing mold is; acceleration sensor and data acquisition box gather the acceleration signal in the cutting process, then give the computer with acceleration signal transmission, the computer gives the PLC controller with control signal transmission, and the PLC controller sends the instruction to solid-state voltage regulator.
Further, the damping cylinder subassembly includes left end cover, left sealed lid, wire guide, coil, iron core, piston, magnetorheological suspensions, right side sealed lid, right-hand member lid, piston rod, screw, O type sealing washer, static sealing washer and damping cylinder, and the damping cylinder passes through the screw and is connected with the platform main part, and left end cover, left sealed lid, piston, right side sealed lid, right-hand member lid are installed in the damping cylinder from left to right in proper order, left side sealed lid, right side sealed lid, damping cylinder inner wall and piston form the enclosure space, the enclosure space is filled with magnetorheological suspensions, and the one end of piston rod passes right-hand member lid, right side sealed lid and piston connection, and the other end and the platform main part of piston rod are connected, and the iron core setting is in the piston, and the one end winding of coil is on the iron core, and.
Furthermore, the damping cylinder assembly further comprises an O-shaped sealing ring, and the O-shaped sealing ring is sleeved on the piston rod.
Furthermore, the damping cylinder assembly further comprises two static sealing rings, and the left sealing cover and the right sealing cover are respectively sleeved with one static sealing ring.
Furthermore, a gap is reserved between the piston and the inner wall of the damping cylinder, and magnetorheological fluid is arranged in the gap.
Further, each mass block unit comprises a mass block and a plurality of springs, and the mass block is connected with the inner wall of the through hole through the plurality of springs.
Furthermore, four corners of the upper surface of the platform main body are provided with counter bores.
The invention has the beneficial effects that: 1. the intelligent vibration reduction platform for processing the splicing die is simple in structure and good in vibration reduction effect; 2. according to the invention, the acceleration sensor and the data acquisition box are used for acquiring the acceleration signal in the cutting process, the computer is used for analyzing and judging the acquired acceleration signal and sending instructions to the plc controller and the solid-state voltage regulator, so that the current of the coil in the damping cylinder is adjusted, the damping is changed, the vibration in the cutting process is controlled in real time, and the service life of the cutter and the surface quality of the workpiece are effectively improved.
Drawings
FIG. 1 is a schematic view of a mechanical structure of a vibration damping platform with a split mold;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of the damping platform mechanism without the split mold installed;
FIG. 4 is a schematic structural view of a damping cylinder assembly;
fig. 5 is a schematic diagram of the connection relationship between the components of the intelligent vibration damping platform for the processing of the splicing die in the invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and the intelligent vibration damping platform for processing a splicing die in the embodiment includes a platform main body 16, a data acquisition box 22, a computer 23, a PLC controller 24, a solid-state voltage regulator 25, an acceleration sensor 26, eight damping cylinder assemblies and a plurality of mass blocks, where the platform main body 16 is a rectangular block, a groove 15 is formed around the platform main body 16, two damping cylinder assemblies are arranged in the groove 15, the damping cylinder assemblies are connected to the solid-state voltage regulator 25, the solid-state voltage regulator 25 is connected to the PLC controller 24, the PLC controller 24 is connected to the computer 23, the computer 23 is connected to the data acquisition box 22, the data acquisition box 22 is connected to the acceleration sensor 26, the acceleration sensor 26 is connected to the splicing die 18, a plurality of through holes 19 are formed in the upper surface of the platform main body 16, and the mass block unit is arranged in each through hole 19, the splicing die 18 is connected with the bolt holes 27 on the platform main body 16, and the splicing die 18 is positioned above a plurality of mass units; the acceleration sensor 26 and the data acquisition box 22 acquire an acceleration signal in the cutting process, then the acceleration signal is transmitted to the computer 23, the computer 23 transmits a control signal to the PLC controller 24, and the PLC controller 24 sends an instruction to the solid-state voltage regulator 25. The bolt holes 27 are distributed in two rows of six.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and the damping cylinder assembly of the intelligent vibration damping platform for processing the splicing mold in the embodiment includes a left end cover 1, a left sealing cover 2, a wire guide hole 3, a coil 4, an iron core 5, a piston 6, magnetorheological fluid 7, a right sealing cover 8, a right end cover 9, a piston rod 10, a screw 11, an O-shaped sealing ring 12, a static sealing ring 13 and a damping cylinder 14, wherein the damping cylinder 14 is connected with a platform main body 16 through the screw 11, the left end cover 1, the left sealing cover 2, the piston 6, the right sealing cover 8 and the right end cover 9 are sequentially installed in the damping cylinder 14 from left to right, the left sealing cover 2, the right sealing cover 8, an inner wall 14 of the damping cylinder and the piston 6 form a closed space, the closed space is filled with the magnetorheological fluid 7, one end of the piston rod 10 passes through the right end cover 9 and the right sealing cover, the other end of piston rod 10 is connected with platform main part 16, and iron core 5 sets up in piston 6, and the one end winding of coil 4 is on iron core 5, and the other end of coil 4 passes wire guide 3 and is connected with solid-state voltage regulator 25. Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 5, and the damping cylinder assembly of the intelligent vibration damping platform for processing the splicing mold according to the embodiment further includes an O-shaped sealing ring 12, and the O-shaped sealing ring 12 is sleeved on the piston rod 10. Other components and connection relationships are the same as those in the second embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 to 5, and the damping cylinder assembly of the intelligent vibration damping platform for processing the splicing mold according to the embodiment further includes two static sealing rings 13, and one static sealing ring 13 is respectively sleeved on each of the left sealing cover 2 and the right sealing cover 8. Other components and connection relationships are the same as those in the second embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 5, and a gap is left between the piston 6 and the inner wall of the damping cylinder 14 of the intelligent vibration damping platform for processing the splicing mold in the embodiment, and magnetorheological fluid 7 is arranged in the gap. Other components and connection relationships are the same as those in the second embodiment.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1 to 5, and each of the mass units of the intelligent vibration damping platform for the split mold process of the embodiment includes a mass 20 and a plurality of springs 21, and the mass 20 is connected with the inner wall of the through hole 19 through the plurality of springs 21. Other components and connections are the same as those in the first embodiment.
The seventh embodiment: the embodiment is described with reference to fig. 1 to 5, and counter bores 17 are provided at four corners of the upper surface of the platform main body 16 of the intelligent vibration damping platform for processing the splicing die in the embodiment. Other components and connections are the same as those in the first embodiment.
Principle of operation
The piston 6 side wall with have the gap between the inner wall of damping cylinder 14, piston rod 10 and platform main part 16 link to each other through special welding metal glue, after piston rod 10 atress, piston 6 can produce relative motion along the axis direction for the inner wall of damping cylinder 14, piston 6 can extrude magnetorheological suspensions 7 of piston 6 one side to flow to the opposite side from the gap, when the coil 4 that switches on applied a magnetic field to magnetorheological suspensions 7, magnetorheological suspensions 7 presented the Bingham's body characteristic of high viscosity, low mobility under the magnetic field effect to the motion of piston 6 produces the resistance, forms damping force.
The acceleration sensor 26 is adhered to the splicing die 18 through 502 glue, the acceleration sensor 26 and the data acquisition box 22 acquire an acceleration signal in the cutting process, an acceleration threshold value is set in a Labview data analysis module in the computer 23 according to the machining precision requirement, the acquired acceleration signal is analyzed and judged, if the acceleration signal exceeds the set acceleration threshold value, an instruction is sent to the plc controller 24 and the solid-state voltage regulator 25, the coil current in the damping cylinder 14 is further adjusted, the magnetic field is changed, the damping is adjusted, the vibration in the cutting process is controlled in real time, and the service life of a cutter and the surface quality of a workpiece are effectively improved.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. An intelligent vibration reduction platform for processing of a splicing mold comprises a platform main body (16), a data acquisition box (22), a computer (23), a PLC (programmable logic controller) controller (24), a solid-state voltage regulator (25), an acceleration sensor (26), eight damping cylinder assemblies and a plurality of mass block units, wherein the platform main body (16) is a rectangular block body, grooves (15) are formed in the periphery of the platform main body (16), two damping cylinder assemblies are arranged in the grooves (15), the damping cylinder assemblies are connected with the solid-state voltage regulator (25), the solid-state voltage regulator (25) is connected with the PLC controller (24), the PLC controller (24) is connected with the computer (23), the computer (23) is connected with the data acquisition box (22), the data acquisition box (22) is connected with the acceleration sensor (26), the acceleration sensor (26) is connected with the splicing mold (18), a plurality of through holes (19) are formed in the upper surface of the platform main body (16), the mass block units are arranged in each through hole (19), the splicing mould (18) is connected with the bolt holes (27) on the platform main body (16), and the splicing mould (18) is positioned above the mass block units; an acceleration sensor (26) and a data acquisition box (22) acquire an acceleration signal in the cutting process, then the acceleration signal is transmitted to a computer (23), the computer (23) transmits a control signal to a PLC (programmable logic controller) (24), and the PLC (24) sends an instruction to a solid-state voltage regulator (25); the method is characterized in that: the damping cylinder assembly comprises a left end cover (1), a left sealing cover (2), a wire guide hole (3), a coil (4), an iron core (5), a piston (6), magnetorheological fluid (7), a right sealing cover (8), a right end cover (9), a piston rod (10), a screw (11), an O-shaped sealing ring (12), a static sealing ring (13) and a damping cylinder (14), wherein the damping cylinder (14) is respectively connected with the left end cover (1) and the right end cover (9) through the screw (11), the left end cover (1), the left sealing cover (2), the piston (6), the right sealing cover (8) and the right end cover (9) are sequentially installed in the damping cylinder (14) from left to right, the left sealing cover (2), the right sealing cover (8), the inner wall of the damping cylinder (14) and the piston (6) form a closed space, the closed space is filled with the magnetorheological fluid (7), and one end of the piston rod (10) penetrates through, The right sealing cover (8) is connected with the piston (6), the other end of the piston rod (10) is connected with the platform main body (16), the iron core (5) is arranged in the piston (6), one end of the coil (4) is wound on the iron core (5), and the other end of the coil (4) penetrates through the wire hole (3) to be connected with the solid-state voltage regulator (25); the damping cylinder assembly further comprises an O-shaped sealing ring (12), and the O-shaped sealing ring (12) is sleeved on the piston rod (10); the damping cylinder assembly further comprises two static sealing rings (13), and the left sealing cover (2) and the right sealing cover (8) are respectively sleeved with one static sealing ring (13); a gap is reserved between the piston (6) and the inner wall of the damping cylinder (14), and magnetorheological fluid (7) is arranged in the gap; when the piston rod (10) is stressed, the piston (6) can generate relative motion relative to the inner wall of the damping cylinder (14) along the axial direction, and the piston (6) can extrude the magnetorheological fluid (7) on one side of the piston (6) to flow from the gap to the other side; each mass block unit comprises a mass block (20) and a plurality of springs (21), and the mass block (20) is connected with the inner wall of the through hole (19) through the plurality of springs (21).
2. The intelligent vibration damping platform for processing of the splicing die as claimed in claim 1, wherein: four corners of the upper surface of the platform main body (16) are provided with counter bores (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206213.8A CN108422258B (en) | 2018-03-13 | 2018-03-13 | Intelligent vibration reduction platform for processing of splicing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810206213.8A CN108422258B (en) | 2018-03-13 | 2018-03-13 | Intelligent vibration reduction platform for processing of splicing die |
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| Publication Number | Publication Date |
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| CN108422258A CN108422258A (en) | 2018-08-21 |
| CN108422258B true CN108422258B (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810206213.8A Active CN108422258B (en) | 2018-03-13 | 2018-03-13 | Intelligent vibration reduction platform for processing of splicing die |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001317586A (en) * | 2000-05-12 | 2001-11-16 | Daiwa House Ind Co Ltd | Tuned mass damper |
| US6974000B2 (en) * | 2002-02-20 | 2005-12-13 | Lord Corporation | System and method for limiting vibration in an apparatus during a loss of power |
| CN100346088C (en) * | 2006-05-08 | 2007-10-31 | 天津商学院 | Magnetorheological liquid damping type dynamic vibration absorber |
| CN202048132U (en) * | 2010-12-13 | 2011-11-23 | 成都晋林工业制造有限责任公司 | Magnetic rheologic type intelligent vibration damper |
| CN102581625B (en) * | 2011-01-11 | 2015-04-08 | 成都市东升机械制造有限责任公司 | Intelligent shock-absorbing standard worktable for machine tool |
| CN202560922U (en) * | 2012-05-10 | 2012-11-28 | 株洲时代新材料科技股份有限公司 | Double-rod shear-valve type magnetorheological damper with adjustable damping forces |
| CN206748066U (en) * | 2017-04-13 | 2017-12-15 | 宁夏大学 | Milling machine vibration absorber and vertical knee-type milling machine based on magnetic flow liquid shearing work pattern |
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