CN115415834B - Numerical control machine tool with vibration damping device for part machining - Google Patents
Numerical control machine tool with vibration damping device for part machining Download PDFInfo
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- CN115415834B CN115415834B CN202211127258.9A CN202211127258A CN115415834B CN 115415834 B CN115415834 B CN 115415834B CN 202211127258 A CN202211127258 A CN 202211127258A CN 115415834 B CN115415834 B CN 115415834B
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- bed body
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- numerical control
- control machine
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- 238000013016 damping Methods 0.000 title claims abstract description 22
- 238000003754 machining Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000007667 floating Methods 0.000 claims abstract description 23
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 14
- 239000002023 wood Substances 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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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
-
- 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
- B23Q11/0042—Devices for removing chips
- B23Q11/0046—Devices for removing chips by sucking
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to the technical field of numerically-controlled machine tools, and discloses a numerically-controlled machine tool with a vibration damping device for part machining, which comprises a bed body, wherein a buffer wood plate is fixedly arranged on the bottom surface of the bed body, x-axis guide mechanisms are respectively arranged at the bottoms of two sides of the bed body, clamping mechanisms are fixedly arranged on one sides, close to the bed body, of the two x-axis guide mechanisms, y-axis guide mechanisms are fixedly arranged at the tops of the two clamping mechanisms, and buffer mechanisms are fixedly arranged at four corners of the bottom surface of the bed body; the invention is beneficial to that after a part of buffering force is distributed through the spring, the other part drives the piston rod through the gasket to push the restoration valve to squeeze the hydraulic oil in the inner cavity of the built-in fixed pipe, so that the hydraulic oil in the built-in fixed pipe is stamped by external force and then downwards extrudes the floating piston, the floating piston moves downwards and compresses nitrogen in the bottom cushion, further damping effect is achieved, and the phenomenon that resonance can be generated with a vibration source only by means of spring damping is avoided.
Description
Technical Field
The invention relates to the technical field of numerical control machine tools, in particular to a numerical control machine tool with a vibration damping device for part machining.
Background
The numerical control lathe is one of widely used numerical control lathes, is mainly applied to machining of inner and outer cylindrical surfaces of shaft or disc parts, inner and outer conical surfaces of any cone angle, complex inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can perform grooving, drilling, reaming and the like.
The existing numerical control machine tool consists of a numerical control device, a machine body, a supporting mechanism, an x-axis guiding mechanism, a y-axis guiding mechanism, a hydraulic cutting assembly, a clamping mechanism and the like, wherein the machine tool automatically processes a processed workpiece according to a preset processing technology, a processing route, technological parameters, a tool motion track, a displacement, cutting parameters and auxiliary functions are programmed into a processing program table according to a command and a program specified by the numerical control machine tool, information in the program is input into a control medium and is input into numerical control equipment, and position adjustment is further carried out through the x-axis guiding mechanism and the y-axis guiding mechanism, so that a part is processed through the hydraulic cutting assembly; however, the existing supporting mechanism is mostly arranged as an upright post to support the bed body, when the hydraulic cutting assembly cuts a part which is placed on the top surface of the bed body and clamped by the clamping mechanism, severe friction is generated between the cutting assembly and the part, so that the numerical control machine tool is dithered to a certain extent, on one hand, the cutting accuracy is affected, on the other hand, the numerical control machine tool is lost, and on the other hand, the problem that the spring and the vibration source generate resonance phenomenon cannot be avoided only by damping the spring;
in addition, the cutting assembly in the existing numerical control machine tool continuously generates scraps when cutting a workpiece, the scraps are accumulated on the top surface of the machine tool, and the equipment is required to be manually closed for cleaning the scraps, so that the workload is increased, and the working efficiency is reduced.
Therefore, a new numerical control machine tool for machining parts having a vibration damping device is demanded.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a numerical control machine tool with a vibration damping device for machining parts, which solves the problems in the prior art.
The invention provides the following technical scheme: the numerical control machine tool for machining the parts with the vibration elimination device comprises a machine body, wherein a buffer wood plate is fixedly arranged on the bottom surface of the machine body, x-axis guide mechanisms are respectively arranged at the bottoms of two sides of the machine body, clamping mechanisms are fixedly arranged on one sides, close to the machine body, of the two x-axis guide mechanisms, y-axis guide mechanisms are fixedly arranged on the tops of the two clamping mechanisms, and buffer mechanisms are fixedly arranged at four corners of the bottom surface of the machine body;
the clamping mechanism comprises exhaust fans, the top surfaces of the exhaust fans are fixedly connected with longitudinal upright posts, one sides of the exhaust fans are fixedly provided with chip collecting boxes, the tops of the chip collecting boxes are fixedly sleeved with hoses, branch heads at the tops of the hoses are fixedly sleeved with gas collecting covers, two sides of the gas collecting covers are fixedly provided with clamping plates, one sides of the clamping plates, which are far away from the gas collecting covers, are fixedly connected with rubber pads, one sides of the longitudinal upright posts, which are close to the chip collecting boxes, are fixedly connected with first hydraulic cylinders through L-shaped rods, one sides of the first hydraulic cylinders, which are far away from the L-shaped rods, are fixedly connected with first hydraulic rods, and movable ends of the first hydraulic rods are fixedly connected with the clamping plates;
the buffer mechanism comprises an internal fixed pipe, an external movable pipe is movably sleeved at the top of the internal fixed pipe, a gasket is fixedly connected with the top surface of the inner wall of the external movable pipe, a piston rod penetrating through a sealing plug is fixedly connected to the center of the bottom surface of the gasket, the sealing plug is fixedly mounted at the top end of the internal fixed pipe, a restoration valve is fixedly sleeved at the bottom end of the piston rod, a floating piston is movably sleeved at the bottom of the inner cavity of the internal fixed pipe, a bottom pad is fixedly connected to the bottom surface of the outer wall of the floating piston, and a spring is fixedly mounted between the bottom surface of the gasket and the top surface of the sealing plug.
Preferably, the bottom surface of the chip collecting box is provided with a drawable ground pushing plate, an air pipe is sleeved at the joint of the chip collecting box and the exhaust fan, and a filter disc is fixedly sleeved at one side, close to the chip collecting box, of an inner cavity of the air pipe.
Preferably, the clamping plate and the rubber pad surface arranged on one side of the clamping plate are provided with openings with the same size and the same position, one side of the exhaust fan close to the bed body is movably connected with the bed body through the first sliding block, and the two sides of the bed body are provided with rails mutually matched with the first sliding block.
Preferably, the side surface of the sealing plug is movably connected with the inner wall of the external movable pipe and keeps tightness, the side surface of the restoring valve is movably connected with the inner wall of the internal fixed pipe and keeps tightness, and the side surface of the floating piston is movably connected with the inner wall of the internal fixed pipe and keeps tightness.
Preferably, the inner cavity of the built-in fixed pipe between the restoring valve and the floating piston is filled with hydraulic oil.
Preferably, the inner cavity of the built-in fixed pipe between the floating piston and the bottom surface of the inner wall of the built-in fixed pipe is filled with nitrogen, and the nitrogen pressure is set between 240 Pa and 360 Pa.
Preferably, the y-axis guiding mechanism comprises a cross beam, one side of the cross beam is fixedly provided with a second motor through a tripod, an output shaft of the second motor is fixedly sleeved with a lead screw penetrating through two supporting blocks, and bottom surfaces of the two supporting blocks are fixedly connected with the top surface of the cross beam.
Preferably, the middle part screw thread of lead screw has cup jointed the hydraulic pressure organism, the inboard of hydraulic pressure organism carries out swing joint through one side of installing second sliding block and crossbeam, the top fixed mounting of hydraulic pressure organism has the second pneumatic cylinder, the bottom surface fixed mounting of second pneumatic cylinder has the second hydraulic stem that runs through the hydraulic pressure organism middle part, the bottom fixed mounting of second hydraulic stem has the third motor, the fixed cutting knife that has cup jointed of output shaft of third motor.
Preferably, the x-axis guiding mechanism comprises a first motor, an output shaft of the first motor is fixedly connected with a gear, a bottom surface of the first motor is fixedly provided with a fixed bottom plate, two sides of the fixed bottom plate are fixedly connected with a fixed side plate through a support, one side of the fixed side plate, which is close to the first motor, is fixedly connected with the top end of a track through a fixed block, the other end of the track is unfolded and extends to the inner wall of the track, the tail end of the bottom of the track is fixedly connected with the inner wall of the track, the top of the outer edge of the gear is movably connected with the bottom surface of the top end of the track, the bottom of the outer edge of the gear is meshed with the inner side of the track, which is positioned on the inner wall section of the track, and one side of the track, which is close to a bed, is fixedly connected with the bed through a plurality of fixed rods.
The invention has the technical effects and advantages that:
1. the invention is beneficial to that after a part of buffering force is distributed through the spring, the other part drives the piston rod through the gasket to push the restoration valve to squeeze the hydraulic oil in the inner cavity of the built-in fixed pipe, so that the hydraulic oil in the built-in fixed pipe is stamped by external force and then downwards extrudes the floating piston, the floating piston moves downwards and compresses nitrogen in the bottom cushion, further damping effect is achieved, and the phenomenon that resonance can be generated with a vibration source only by means of spring damping is avoided.
2. The buffer mechanism is arranged, so that the hydraulic oil is extruded by the recovery valve to generate high temperature in the repeated back-and-forth compression process of the internal fixed pipe and the external movable pipe, the temperature of the hydraulic oil is further increased, the viscosity of the hydraulic oil is further reduced, the fluidity is better, and the buffer capability is further improved.
3. According to the invention, the clamping mechanism is arranged, so that the exhaust fan is beneficial to exhausting the chip collecting box, the hose, the gas collecting cover, the clamping plate and the rubber pad, and scraps generated by the cutting assembly in the numerical control machine tool when cutting a workpiece sequentially pass through the ports of the rubber pad and the clamping plate, the gas collecting cover and the hose and then enter the inner cavity of the chip collecting box, so that the scraps are collected intensively, and the cleanliness of the surface of the machine tool is maintained.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic cross-sectional view of the bed according to the present invention.
Fig. 3 is a schematic view of a partial structure of the present invention.
FIG. 4 is a schematic view of an x-axis guiding mechanism according to the present invention.
Fig. 5 is a schematic diagram of the structure a of the present invention.
Fig. 6 is a schematic structural diagram of a clamping mechanism according to the present invention.
FIG. 7 is a schematic view of a y-axis guiding mechanism according to the present invention.
Fig. 8 is a schematic structural view of a buffering mechanism of the present invention.
The reference numerals are: 1. a bed body; 2. buffering the wood board; 3. an x-axis guide mechanism; 301. a first motor; 302. a fixed bottom plate; 303. a bracket; 304. fixing the side plates; 305. a fixed block; 306. a track; 307. a gear; 308. a guide rail; 309. a fixed rod; 4. a buffer mechanism; 401. a fixing tube is arranged in the inner part; 402. an external movable tube; 403. a gasket; 404. a piston rod; 405. a spring; 406. a sealing plug; 407. a reset valve; 408. a floating piston; 409. a bottom pad; 5. a clamping mechanism; 501. an exhaust fan; 502. a longitudinal upright; 503. a chip collecting box; 504. a push plate; 505. an air duct; 506. a filter sheet; 507. a hose; 508. a gas collecting cover; 509. a clamping plate; 510. a rubber pad; 511. an L-shaped rod; 512. a first hydraulic cylinder; 513. a first hydraulic lever; 514. a first slider; 6. a y-axis guide mechanism; 601. a cross beam; 602. a tripod; 603. a second motor; 604. a support block; 605. a screw rod; 606. a hydraulic machine body; 607. a second slider; 608. a second hydraulic cylinder; 609. a second hydraulic lever; 610. a third motor; 611. a knife.
Detailed Description
The embodiments of the present invention will be described more fully with reference to the drawings in the present invention, and the configurations of the structures described in the following embodiments are merely examples, and the numerical control machine tool for machining parts with vibration canceling devices according to the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present invention.
Referring to fig. 1-2, the invention provides a numerical control machine tool with a vibration damping device for part processing, which comprises a bed body 1, wherein a buffer wood board 2 is fixedly arranged on the bottom surface of the bed body 1, x-axis guide mechanisms 3 are respectively arranged at the bottoms of two sides of the bed body 1, clamping mechanisms 5 are respectively and fixedly arranged on one sides, close to the bed body 1, of the two x-axis guide mechanisms 3, y-axis guide mechanisms 6 are respectively and fixedly arranged at the tops of the two clamping mechanisms 5, and buffer mechanisms 4 are respectively and fixedly arranged at four corners of the bottom surface of the bed body 1.
In this embodiment, it is specifically described that the outer sides of the two clamping mechanisms 5 are fixedly mounted with the x-axis guiding mechanism 3, and the inner sides of the two clamping mechanisms 5 are movably connected with the bed body 1.
Referring to fig. 3-5, the x-axis guiding mechanism 3 includes a first motor 301, an output shaft of the first motor 301 is fixedly connected with a gear 307, a bottom surface of the first motor 301 is fixedly provided with a fixed bottom plate 302, two sides of the fixed bottom plate 302 are fixedly connected with a fixed side plate 304 through a bracket 303, one side of the fixed side plate 304 close to the first motor 301 is fixedly connected with a top end of a track 306 through a fixed block 305, the other end of the track 306 is unfolded and extends on an inner wall of the track 308, a tail end of the bottom of the track 306 is fixedly connected with the inner wall of the track 308, the top of the outer edge of the gear 307 is movably connected with the bottom surface of the top end of the track 306, the bottom of the outer edge of the gear 307 is meshed with the inner side of the track 306 positioned on an inner wall section of the track 308, and one side of the track 308 close to the bed 1 is fixedly connected with the bed 1 through a plurality of fixed rods 309.
In this embodiment, it should be specifically noted that the length of the track 306 is greater than that of the guide rail 308, the top end of the track 306 is fixedly mounted on the side surface of the fixed side plate 304 through the fixing block 305, the bottom end of the track 306 is fixedly connected with the inner wall of the guide rail 308, and further after the gear 307 is braked, the bottom of the outer edge of the movable gear 307 generates friction with the inner side of the track 306 located on the inner wall section of the guide rail 308, so as to obtain the driving force, and further the first motor 301, the fixed bottom plate 302, the bracket 303, the fixed side plate 304, the fixing block 305 and the top end of the track 306 fixedly mounted on one side of the fixed side plate 304 through the fixing block 305 synchronously move along with the braking of the gear 307, and the top end of the track 306 pulls the inner wall section of the track 306 located on the guide rail 308 to roll up.
Referring to fig. 6, the clamping mechanism 5 includes an exhaust fan 501, a longitudinal upright post 502 is fixedly connected to the top surface of the exhaust fan 501, a chip collecting box 503 is fixedly installed on one side of the exhaust fan 501, a hose 507 is fixedly sleeved on the top of the chip collecting box 503, gas collecting covers 508 are fixedly sleeved on bifurcation heads at the top ends of the hose 507, clamping plates 509 are fixedly installed on one sides of the two gas collecting covers 508, a rubber pad 510 is fixedly connected to one side of the clamping plates 509 away from the gas collecting covers 508, a first hydraulic cylinder 512 is fixedly connected to one side of the longitudinal upright post 502 close to the chip collecting box 503 through an L-shaped rod 511, a first hydraulic rod 513 is fixedly connected to one side of the first hydraulic cylinder 512 away from the L-shaped rod 511, and a movable end of the first hydraulic rod 513 is fixedly connected with the clamping plates 509.
In this embodiment, it needs to be specifically described that a retractable ground pushing plate 504 is provided on the bottom surface of the chip collecting box 503, so that the chip collecting box 503 can be conveniently cleaned in a centralized manner by opening the pushing plate 504;
the air pipe 505 is sleeved at the joint of the scrap collecting box 503 and the exhaust fan 501, and the filter disc 506 is fixedly sleeved at one side of the inner cavity of the air pipe 505, which is close to the scrap collecting box 503, so that scraps can be conveniently intercepted, and the scraps can be prevented from entering the exhaust fan 501 to damage components in the exhaust fan 501;
the clamping plate 509 and the rubber pad 510 arranged on one side of the clamping plate 509 are provided with openings which are the same in size and consistent in position, so that on one hand, workpieces can be conveniently fixed under the clamping of the clamping plate 509 and the rubber pad 510, vibration between the workpieces and the clamping plate 509 is reduced through the rubber pad 510, and on the other hand, scraps generated in the cutting process are collected and treated under the action of the suction effect of the suction fan 501 through the openings;
one side of the exhaust fan 501, which is close to the bed body 1, is movably connected with the bed body 1 through the first sliding block 514, and rails mutually matched with the first sliding block 514 are arranged on two sides of the bed body 1, so that the clamping mechanism 5 can conveniently move along the side face of the bed body 1 under the braking of the x-axis guiding mechanism 3.
Referring to fig. 7, the y-axis guiding mechanism 6 includes a cross beam 601, a second motor 603 is fixedly mounted on one side of the cross beam 601 through a tripod 602, a screw 605 penetrating through two supporting blocks 604 is fixedly sleeved on an output shaft of the second motor 603, and bottom surfaces of the two supporting blocks 604 are fixedly connected with the top surface of the cross beam 601;
the middle part screw thread of lead screw 605 has cup jointed hydraulic pressure organism 606, and the inboard of hydraulic pressure organism 606 carries out swing joint through installing one side of second sliding block 607 and crossbeam 601, and the top fixed mounting of hydraulic pressure organism 606 has second pneumatic cylinder 608, and the bottom surface fixed mounting of second pneumatic cylinder 608 has the second hydraulic stem 609 that runs through the middle part of hydraulic pressure organism 606, and the bottom fixed mounting of second hydraulic stem 609 has third motor 610, and the fixed cup joint of the output shaft of third motor 610 has cut knife 611.
In this embodiment, it should be specifically described that, in order to realize that the hydraulic machine body 606 moves along the y-axis and adjusts the position, the second hydraulic cylinder 608 and the second hydraulic rod 609 are arranged to enable the third motor 610 and the cutting tool 611 to be close to the workpiece through the expansion and contraction of the movable end of the second hydraulic rod 609, and the cutting tool 611 is driven to rotate by the output shaft of the second sliding block 607 and the second sliding block 607, so as to realize the cutting of the rotating adjustable position of the cutting tool 611.
Referring to fig. 8, the buffer mechanism 4 includes an internal fixed tube 401, the top of the internal fixed tube 401 is movably sleeved with an external movable tube 402, a gasket 403 is fixedly connected to the top surface of the inner wall of the external movable tube 402, a piston rod 404 penetrating through a sealing plug 406 is fixedly connected to the center of the bottom surface of the gasket 403, the sealing plug 406 is fixedly mounted on the top end of the internal fixed tube 401, a restoring valve 407 is fixedly sleeved at the bottom end of the piston rod 404, a floating piston 408 is movably sleeved at the bottom of the inner cavity of the internal fixed tube 401, a bottom pad 409 is fixedly connected to the bottom surface of the outer wall of the floating piston 408, and a spring 405 is fixedly mounted between the bottom surface of the gasket 403 and the top surface of the sealing plug 406.
In this embodiment, it should be specifically described that the side surface of the sealing plug 406 is movably connected to the inner wall of the external movable tube 402 and maintains tightness, the side surface of the recovery valve 407 is movably connected to the inner wall of the internal fixed tube 401 and maintains tightness, and the side surface of the floating piston 408 is movably connected to the inner wall of the internal fixed tube 401 and maintains tightness;
the inner cavity of the built-in fixed pipe 401 between the reset valve 407 and the floating piston 408 is filled with hydraulic oil, the hydraulic oil needs to dissipate heat at high temperature caused by continuous high-frequency movement of the piston rod 404 besides basic lubrication function, the fluidity of the oil temperature is increased, the shock absorption effect is increased, the inner cavity of the built-in fixed pipe 401 between the floating piston 408 and the bottom surface of the inner wall of the built-in fixed pipe 401 is filled with nitrogen, the nitrogen pressure is set between 240 Pa and 360 Pa, and then the nitrogen is contracted and bounced through the reciprocating movement of the piston rod 404 with the reset valve 407, so that the force caused by the reciprocating movement of the piston rod 404 is counteracted.
The working principle of the invention is as follows:
firstly, the input ends of a first motor 301, a cross beam 601, a second motor 603, a second hydraulic cylinder 608 and a third motor 610 in the device are all in telecommunication connection with a numerical control device, wherein the numerical control device is usually a computer end;
further, the first motor 301 is started, because the first motor 301 is fixedly installed with the fixed side plate 304 through the fixed bottom plate 302 installed at the bottom and the brackets 303 installed at two sides of the fixed bottom plate 302, and because the inner side of the fixed side plate 304 is fixedly installed with the exhaust fan 501, the inner side of the top end of the track 306 is fixedly connected with the outer side of the fixed side plate 304 through the fixed block 305, the top surface of the outer edge of the gear 307 is movably connected with the bottom surface of the top end of the track 306, the bottom surface of the outer edge of the gear 307 is meshed with the inner side of the track 306 positioned at the inner wall section of the guide rail 308, the output shaft of the first motor 301 drives the gear 307 fixedly sleeved with the gear 307 to rotate, friction is generated between the outer edge bottom of the rotating gear 307 and the inner side of the track 306 positioned at the inner wall section of the guide rail 308, driving force is obtained, the first motor 301, the fixed bottom plate 302, the brackets 303, the fixed side plate 304, the fixed block 305 and the top end of the track 306 fixedly installed at one side of the fixed side plate 304 are braked along with the gear 307, and synchronously moved, and then the two clamping mechanisms 5 are respectively driven by the braking of the two x-axis guiding mechanisms 3, and the two clamping mechanisms 5 are synchronously moved, and the two clamping mechanisms 5 are positioned at the inner sides 6 after the two clamping mechanisms are adjusted and adjusted;
further, a first hydraulic cylinder 512 installed on one side of the longitudinal upright 502 through an L-shaped rod 511 is started, and then the first hydraulic cylinder 512 controls the first hydraulic rod 513 to push a clamping plate 509 inwards and a rubber pad 510 installed on one side of the clamping plate 509, and then two clamping mechanisms 5 installed on the inner side of the x-axis guiding mechanism 3 synchronously push inwards, and further the workpiece is clamped through the clamping plate 509 and the rubber pad 510 installed on one side of the clamping plate 509;
further, the exhaust fan 501 is started, the exhaust fan 501 is used for exhausting the scrap collecting box 503, the hose 507, the gas collecting cover 508, the clamping plate 509 and the rubber gasket 510, and scraps generated when a cutting assembly in the numerical control machine tool cuts a workpiece enter the inner cavity of the scrap collecting box 503 after sequentially passing through the openings of the rubber gasket 510 and the clamping plate 509, the gas collecting cover 508 and the hose 507, so that the scraps are concentrated;
further, the second motor 603 is started, the output shaft of the second motor 603 drives the screw 605 fixedly sleeved with the second motor to rotate, the hydraulic machine body 606 moves along the surface of the screw 605, the second hydraulic cylinder 608 and the third motor 610 are further started, the second hydraulic cylinder 608 controls the second hydraulic rod 609 to push downwards, the output shaft of the third motor 610 drives the skiving blade 611 fixedly sleeved with the third motor to rotate under the braking of the third motor 610, and the skiving blade 611 rotates to descend to cut a workpiece;
after a part of buffer force is shared by the spring 405, the other part drives the piston rod 404 through the gasket 403 to push the restoring valve 407 to squeeze the hydraulic oil in the inner cavity of the built-in fixed pipe 401, so that the hydraulic oil in the built-in fixed pipe 401 is stamped by external force and then downwards squeezes the floating piston 408, the floating piston 408 moves downwards and compresses nitrogen in the bottom pad 409, so as to achieve a further damping effect, namely, the process of absorbing buffer force is a process of continuously compressing nitrogen and hydraulic oil, the piston rod 404 continuously enters a working cavity of the hydraulic oil with the restoring valve 407, compressed gas enables the floating piston 408 to move, so that the volume of a nitrogen cavity is reduced, and conversely, when the piston rod 404 in the buffer mechanism 4 leaves the high-pressure nitrogen cavity with the restoring valve 407, the air pressure of the high-pressure nitrogen chamber is reduced, so that the operation is restored, and when the top of the external movable pipe 402 is stressed again, the operation is performed in a reciprocating manner.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The utility model provides a digit control machine tool is used in parts machining with damping device, includes the bed body (1), its characterized in that: the novel energy-saving bed is characterized in that a buffer wood board (2) is fixedly arranged on the bottom surface of the bed body (1), x-axis guide mechanisms (3) are arranged at the bottoms of two sides of the bed body (1), clamping mechanisms (5) are fixedly arranged on one sides, close to the bed body (1), of the two x-axis guide mechanisms (3), y-axis guide mechanisms (6) are fixedly arranged on the tops of the two clamping mechanisms (5), and buffer mechanisms (4) are fixedly arranged at four corners of the bottom surface of the bed body (1);
clamping mechanism (5) including air exhauster (501), the top surface fixedly connected with vertical stand (502) of air exhauster (501), one side fixed mounting of air exhauster (501) has album bits case (503), the top of album bits case (503) is fixed to be cup jointed hose (507), the bifurcation on hose (507) top has all been fixed to be cup jointed gas collecting cover (508), two one side fixed mounting of gas collecting cover (508) has splint (509), one side fixedly connected with rubber pad (510) of gas collecting cover (508) are kept away from to splint (509), one side that vertical stand (502) is close to album bits case (503) is through L shape pole (511) fixedly connected with first pneumatic cylinder (512), one side that L shape pole (511) were kept away from to first pneumatic cylinder (512) is fixedly connected with first hydraulic stem (513), the expansion end and splint (509) of first hydraulic stem (513) carry out fixed connection;
the buffer mechanism (4) comprises an internal fixed pipe (401), an external movable pipe (402) is movably sleeved at the top of the internal fixed pipe (401), a gasket (403) is fixedly connected to the top surface of the inner wall of the external movable pipe (402), a piston rod (404) penetrating through a sealing plug (406) is fixedly connected to the center of the bottom surface of the gasket (403), the sealing plug (406) is fixedly arranged at the top end of the internal fixed pipe (401), a restoring valve (407) is fixedly sleeved at the bottom end of the piston rod (404), a floating piston (408) is movably sleeved at the bottom of the inner cavity of the internal fixed pipe (401), a bottom pad (409) is fixedly connected to the bottom surface of the outer wall of the floating piston (408), and a spring (405) is fixedly arranged between the bottom surface of the gasket (403) and the top surface of the sealing plug (406).
2. The numerical control machine for machining parts having a vibration damping device according to claim 1, wherein: the bottom surface of collection bits case (503) has seted up pull formula ground push pedal (504), the junction of collection bits case (503) and air exhauster (501) has cup jointed tuber pipe (505), the inner chamber of tuber pipe (505) is close to the fixed filter disc (506) that has cup jointed of one side of collection bits case (503).
3. The numerical control machine for machining parts having a vibration damping device according to claim 1, wherein: the clamping plate (509) and a rubber pad (510) arranged on one side of the clamping plate (509) are provided with openings with the same size and the same position, one side of the exhaust fan (501) close to the bed body (1) is movably connected with the bed body (1) through the arrangement of the first sliding block (514), and two sides of the bed body (1) are provided with rails which are mutually matched with the first sliding block (514).
4. The numerical control machine for machining parts having a vibration damping device according to claim 1, wherein: the side face of the sealing plug (406) is movably connected with the inner wall of the external movable pipe (402) and keeps tightness, the side face of the recovery valve (407) is movably connected with the inner wall of the internal fixed pipe (401) and keeps tightness, and the side face of the floating piston (408) is movably connected with the inner wall of the internal fixed pipe (401) and keeps tightness.
5. The numerical control machine for machining parts having a vibration damping device according to claim 1, wherein: the inner cavity of the built-in fixed pipe (401) between the restoring valve (407) and the floating piston (408) is filled with hydraulic oil.
6. The numerical control machine for machining parts having a vibration damping device according to claim 1, wherein: the inner cavity of the built-in fixed pipe (401) between the floating piston (408) and the bottom surface of the inner wall of the built-in fixed pipe (401) is filled with nitrogen, and the nitrogen pressure is set between 240 Pa and 360 Pa.
7. The numerical control machine for machining parts having a vibration damping device according to claim 1, wherein: the Y-axis guide mechanism (6) comprises a cross beam (601), one side of the cross beam (601) is fixedly provided with a second motor (603) through a tripod (602), an output shaft of the second motor (603) is fixedly sleeved with a screw rod (605) penetrating through two supporting blocks (604), and bottom surfaces of the two supporting blocks (604) are fixedly connected with the top surface of the cross beam (601).
8. The numerical control machine for machining parts having a vibration damping device according to claim 7, wherein: the middle part screw thread of lead screw (605) has cup jointed hydraulic pressure organism (606), the inboard of hydraulic pressure organism (606) carries out swing joint through installing one side of second sliding block (607) and crossbeam (601), the top fixed mounting of hydraulic pressure organism (606) has second pneumatic cylinder (608), the bottom surface fixed mounting of second pneumatic cylinder (608) has second hydraulic stem (609) that runs through hydraulic pressure organism (606) middle part, the bottom fixed mounting of second hydraulic stem (609) has third motor (610), the fixed sword (611) of cup jointing of output shaft of third motor (610).
9. The numerical control machine for machining parts having a vibration damping device according to claim 1, wherein: the X-axis guiding mechanism (3) comprises a first motor (301), an output shaft of the first motor (301) is fixedly connected with a gear (307), a bottom surface of the first motor (301) is fixedly provided with a fixed bottom plate (302), two sides of the fixed bottom plate (302) are fixedly connected with a fixed side plate (304) through a bracket (303), one side of the fixed side plate (304) close to the first motor (301) is fixedly connected with the top end of a crawler belt (306) through a fixed block (305), the other end of the crawler belt (306) is unfolded and extends to the inner wall of a guide rail (308) and the tail end of the bottom of the crawler belt (306) is fixedly connected with the inner wall of the guide rail (308), the top of the outer edge of the gear (307) is movably connected with the bottom surface of the top end of the crawler belt (306), the bottom of the outer edge of the gear (307) is meshed with the inner side of the crawler belt (306) positioned on the inner wall section of the guide rail (308), and one side of the guide rail (308) close to the bed body (1) is fixedly connected with the bed body (1) through a plurality of fixed rods (309).
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