CN114749966A - Numerical control super-large workpiece damping type composite gantry milling and boring machine part - Google Patents
Numerical control super-large workpiece damping type composite gantry milling and boring machine part Download PDFInfo
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- CN114749966A CN114749966A CN202210531200.4A CN202210531200A CN114749966A CN 114749966 A CN114749966 A CN 114749966A CN 202210531200 A CN202210531200 A CN 202210531200A CN 114749966 A CN114749966 A CN 114749966A
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- 238000003801 milling Methods 0.000 title claims abstract description 76
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 238000013016 damping Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 241001669679 Eleotris Species 0.000 claims description 8
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- 238000000034 method Methods 0.000 abstract description 10
- 238000003754 machining Methods 0.000 description 15
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/10—Milling machines not designed for particular work or special operations with both horizontal and vertical working-spindles
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Abstract
The invention discloses a numerical control ultra-large workpiece damping type composite gantry milling and boring machine part which comprises a base, a workbench, an upright post, a movable beam and a vertical milling beam, wherein an inner groove is formed in the center of the top of the base, a transmission rack is arranged on one side inside the inner groove, and two guide rails are respectively arranged at two ends of the top of the base; the clamping device has the advantages that when a workpiece is clamped, the moving beam is used for adjusting the heights of the two first pressing oil cylinders and the two second pressing oil cylinders, the two sides of the workpiece are conveniently clamped through the two oppositely arranged second pressing oil cylinders, the two vertically arranged first pressing oil cylinders are used for applying pressure to the top of the workpiece, the second pressing oil cylinders and the first pressing oil cylinders are matched with each other, the clamping device can adapt to workpieces in various shapes, in the clamping process, the workpiece is ensured to be stable, the vibration generated during the processing of the workpiece is reduced, the processing precision is improved, and meanwhile, the processing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of gantry installation, in particular to a numerical control ultra-large workpiece damping type composite gantry milling and boring machine component.
Background
The gantry boring and milling machine is a mechanical processing device integrating advanced technologies such as machine, electricity and liquid, is suitable for semi-finish machining and finish machining in industries such as aviation, heavy machine, locomotive, shipbuilding, power generation, machine tools, automobiles, printing and dies, and can also be used for rough machining, the overall structure of the gantry boring and milling machine consists of a gantry, the gantry consists of a rigid frame consisting of double columns, a movable beam, a connecting beam, a transverse slide carriage and a milling head ram, the beam moves up and down along a column guide rail, a vertical high-power multifunctional ram type boring and milling head is configured on the beam, the boring and milling head slide carriage moves left and right and up and down along the beam guide rail, and the gantry moves longitudinally along a lathe bed, but the existing gantry boring and milling machine also has the following problems;
1. the clamping mechanism is simple, generally, the workpiece is kept and fixed on the workbench by applying pressure on the top end of the workpiece through the vertically moving oil cylinder, and the clamping mechanism is inconvenient to adjust the clamping position according to the size and shape of the workpiece;
2. the existing milling and boring machine is generally only provided with a single vertical milling head, and only three surfaces of a workpiece can be machined at a time, so that the position of the workpiece needs to be adjusted for many times during machining, and the machining efficiency is low.
Therefore, the numerical control damping type composite gantry milling and boring machine part for the oversized workpiece is provided so as to solve the problems.
Disclosure of Invention
The invention aims to provide a numerical control ultra-large workpiece damping type composite gantry milling and boring machine part, and aims to solve the problems that a gantry milling and boring machine clamping mechanism in the market is simple, generally, a vertically moving oil cylinder is used for applying pressure on the top end of a workpiece to keep the workpiece fixed on a workbench, the clamping mechanism is inconvenient to adjust the clamping position according to the size and the shape of the workpiece, only a single vertical milling head is arranged, only three surfaces of the workpiece can be machined once, the position of the workpiece needs to be adjusted for many times during machining, and the machining efficiency is low.
In order to achieve the purpose, the invention provides the following technical scheme: the numerical control ultra-large workpiece damping type composite gantry milling and boring machine part comprises a base, a workbench, an upright post, a movable beam and an end milling beam, wherein an inner groove is formed in the center of the top of the base, a transmission rack is installed on one side inside the inner groove, and two guide rails are respectively arranged at two ends of the top of the base; two ends of the bottom of the workbench are respectively connected with the two guide rails in a sliding manner, and one end of the workbench is provided with a first stepping motor; the two upright posts are symmetrically arranged, the bottoms of the two upright posts are fixedly connected with the outer walls of the two sides of the base respectively, and the top ends of the two upright posts are fixedly connected with the two ends of the bottom of the top beam respectively; a second stepping motor is mounted on the same side of each upright column, and the top end of each second stepping motor is rotatably connected with a first driving shaft; each first driving shaft is connected with a main shaft saddle respectively, and the main shaft saddle is connected with the outer wall of one side of the upright post; the movable cross beam is arranged below the top beam, two ends of the movable cross beam are respectively connected with the two guide grooves, and the two guide grooves are respectively formed in the outer walls of the two upright posts on the side close to the base; the movable cross beam is provided with two support beams on one side close to the main shaft saddle, and the bottom of each support beam is provided with a first pressing oil cylinder; two ends of the vertical milling cross beam are respectively connected with the outer walls of the two stand columns on one side far away from the main shaft saddle, a third stepping motor is mounted at one end of the outer wall of the vertical milling cross beam, and the third stepping motor is rotatably connected with a third driving shaft; the third drive shaft is connected with the vertical milling saddle, and a second square sleeper spindle is installed at the bottom of the vertical milling saddle.
Preferably, the number of the first stepping motors is two, the bottom of each first stepping motor is rotatably connected with an engaging wheel, and each engaging wheel is engaged with the transmission rack; the first stepping motor is matched with the meshing wheel, the transmission rack and the workbench to form a sliding structure.
Preferably, the top of the top beam is provided with a first transmission shaft and a second transmission shaft, and the length of the first transmission shaft is greater than that of the second transmission shaft; two sets of gear boxes are installed at the top of the top beam, two gear boxes are symmetrically arranged on each gear box, and the two gear boxes are connected with the two ends of the first transmission shaft and the two ends of the second transmission shaft respectively.
Preferably, the top of the top beam is provided with two third stepping motors, and each third stepping motor is rotatably connected with a driving disc.
Preferably, one end of each main shaft saddle close to the base is provided with a first square pillow main shaft, the main shaft saddle is connected with the upright column in a sliding manner, and the main shaft saddle is connected with the first driving shaft in a threaded manner; the main shaft saddle is matched with the first driving shaft and the upright post to form a lifting structure.
Preferably, the bottom of each group of gear boxes is rotationally connected with a group of second driving shafts, and two second driving shafts are symmetrically arranged on each group of second driving shafts; and one group of two second driving shafts penetrate through the top beam and are in threaded connection with two ends of the movable cross beam, and the other group of two second driving shafts penetrate through the top beam and are in threaded connection with two ends of the vertical milling cross beam.
Preferably, a second pressing oil cylinder is respectively installed at two ends of the bottom of the movable cross beam, the two ends of the movable cross beam are connected with the guide groove in a sliding mode, and the movable cross beam is matched with the guide groove and forms a lifting structure with the second driving shaft.
Preferably, the two ends of the vertical milling cross beam are connected with the stand column in a sliding manner, and the vertical milling cross beam is matched with the stand column to form a lifting structure together with the second driving shaft.
Preferably, the third driving shaft is in threaded connection with the vertical milling saddle, the vertical milling saddle is in sliding connection with the vertical milling cross beam, and the vertical milling saddle is matched with the vertical milling cross beam to form a sliding structure with the third driving shaft.
Compared with the prior art, the invention has the beneficial effects that: the multi-angle gantry clamping mechanism integrally operates at double stations;
1. the whole frame is matched with the double upright posts and the top beam through the base to form a whole frame framework, the processing position of a workpiece is adjusted through the horizontal movement of the workbench in the processing process, the meshing wheels are driven to rotate through the two first stepping motors, the rotating meshing wheels are matched with the transmission rack to drive the workbench to slide left and right along the guide rail, and compared with a traditional planer type milling machine, the processing range of a first square pillow main shaft and a second square pillow main shaft is enlarged;
2. the novel clamping device is provided with two first compression oil cylinders and two second compression oil cylinders, when a workpiece is clamped, the moving beam is used for adjusting the heights of the two first compression oil cylinders and the two second compression oil cylinders, the two sides of the workpiece are conveniently clamped through the two second compression oil cylinders which are oppositely arranged, the two vertically arranged first compression oil cylinders are convenient for applying pressure to the top of the workpiece, the second compression oil cylinders and the first compression oil cylinders are mutually matched, the clamping device can adapt to workpieces of various shapes, the workpiece is ensured to be stable in the clamping process, the vibration generated during the processing of the workpiece is reduced, the processing precision is improved, and the processing efficiency is improved;
3. the novel milling head device is provided with the first square pillow main shaft and the second square pillow main shaft, the two first square pillow main shafts are matched with the second square pillow main shaft, three milling heads can be installed at the same time, in the machining process, the two main shaft saddles on the two sides are matched with the two first square pillow main shafts and can move up and down along the upright post, the two sides of a workpiece are machined, the whole device is convenient to machine five surfaces of the workpiece synchronously after the workpiece is clamped once, and machining efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a planar front view structure of the present invention;
FIG. 3 is a rear view of FIG. 2 in accordance with the present invention;
fig. 4 is a side view of fig. 2 of the present invention.
In the figure: 1. the vertical milling machine comprises a base, 2, an inner groove, 3, a transmission rack, 4, a guide rail, 5, a workbench, 6, a first stepping motor, 7, a meshing wheel, 8, an upright post, 9, a top beam, 10, a main shaft saddle, 11, a first square pillow main shaft, 12, a second stepping motor, 13, a first driving shaft, 14, a third stepping motor, 15, a driving disc, 16, a first transmission shaft, 17, a second transmission shaft, 18, a gear box, 19, a second driving shaft, 20, a movable cross beam, 21, a supporting beam, 22, a first pressing oil cylinder, 23, a vertical milling cross beam, 24, a vertical milling saddle, 25, a second square pillow main shaft, 26, a third stepping motor, 27, a third driving shaft, 28, a second pressing oil cylinder, 29 and a guide groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, the present invention provides a technical solution: the numerical control damping type composite gantry milling and boring machine part for the oversized workpiece comprises a base 1, a workbench 5, an upright column 8, a movable beam 20 and an end milling beam 23, wherein an inner groove 2 is formed in the center of the top of the base 1, a transmission rack 3 is installed on one side inside the inner groove 2, and meanwhile, two guide rails 4 are respectively arranged at two ends of the top of the base 1; two ends of the bottom of the workbench 5 are respectively connected with the two guide rails 4 in a sliding manner, and one end of the workbench 5 is provided with a first stepping motor 6; two upright columns 8 are symmetrically arranged, the bottoms of the two upright columns 8 are respectively fixedly connected with the outer walls of the two sides of the base 1, and the top ends of the two upright columns 8 are respectively fixedly connected with the two ends of the bottom of the top beam 9; a second stepping motor 12 is arranged on the same side of each upright post 8, and the top end of each second stepping motor 12 is rotatably connected with a first driving shaft 13; each first driving shaft 13 is respectively connected with a main shaft saddle 10, and the main shaft saddle 10 is connected with the outer wall of one side of the upright post 8; the movable cross beam 20 is arranged below the top beam 9, two ends of the movable cross beam 20 are respectively connected with the two guide grooves 29, and the two guide grooves 29 are respectively formed in the outer walls of the two upright columns 8 close to one side of the base 1; one side of the movable beam 20 close to the spindle saddle 10 is provided with two support beams 21, and the bottom of each support beam 21 is provided with a first pressing oil cylinder 22; two ends of the end milling cross beam 23 are respectively connected with the outer walls of the two upright columns 8 on the side far away from the main shaft saddle 10, a third stepping motor 26 is installed at one end of the outer wall of the end milling cross beam 23, and the third stepping motor 26 is rotatably connected with a third driving shaft 27; the third driving shaft 27 is connected with the vertical milling saddle 24, and the bottom of the vertical milling saddle 24 is provided with a second square sleeper spindle 25.
According to the technical scheme, the device forms an integral frame framework by matching the base 1 with the double upright columns 8 and the top beam 9, and the processing position of the workpiece is adjusted by the horizontal movement of the workbench 5 in the processing process, so that the use convenience is improved.
In this embodiment, two first stepping motors 6 are symmetrically arranged, and the bottom of each first stepping motor 6 is rotatably connected with one engaging wheel 7, and each engaging wheel 7 is engaged with the transmission rack 3; the first stepping motor 6 is matched with the meshing wheel 7, the transmission rack 3 and the workbench 5 to form a sliding structure.
According to the technical scheme, the meshing wheel 7 is driven to rotate through the two first stepping motors 6, and the rotating meshing wheel 7 is matched with the transmission rack 3 to drive the workbench 5 to slide left and right along the guide rail 4.
In the embodiment, a first transmission shaft 16 and a second transmission shaft 17 are installed on the top of the top beam 9, and the length of the first transmission shaft 16 is greater than that of the second transmission shaft 17; two groups of gear boxes 18 are mounted at the top of the top beam 9, two gear boxes 18 are symmetrically arranged on each group of gear boxes 18, and the two groups of gear boxes 18 are connected with two ends of the first transmission shaft 16 and the second transmission shaft 17 respectively.
According to the above technical solution, a synchronous pulley is installed in the middle of each of the first transmission shaft 16 and the second transmission shaft 17, and the first transmission shaft 16 and the second transmission shaft 17 can be respectively connected with the driving discs 15 on the two third stepping motors 14 by matching with a synchronous belt.
In this embodiment, a third stepping motor 14 is mounted on the top of the top beam 9, and two third stepping motors 14 are symmetrically arranged, and each third stepping motor 14 is rotatably connected with a driving disc 15.
According to the technical scheme, the two third stepping motors 14 are matched with the driving disc 15 and the synchronous belt to respectively provide power output for the first transmission shaft 16 and the second transmission shaft 17.
In the embodiment, one end of each main shaft saddle 10, which is close to the base 1, is provided with a first square sleeper main shaft 11, the main shaft saddle 10 is connected with the upright post 8 in a sliding manner, and the main shaft saddle 10 is connected with a first driving shaft 13 in a threaded manner; the main shaft saddle 10 is matched with a first driving shaft 13 to form a lifting structure with the upright post 8.
According to the technical scheme, the two spindle saddles 10 on the two sides are matched with the two first square pillow spindles 11 to move up and down along the upright post 8, so that the two sides of the workpiece are machined, the whole device is convenient for synchronously machining five surfaces of the workpiece after clamping the workpiece once, and the machining efficiency is improved.
In the embodiment, the bottom of each group of gear boxes 18 is rotatably connected with a group of second driving shafts 19, and two second driving shafts 19 are symmetrically arranged on each group; two second driving shafts 19 of one group penetrate through the top beam 9 and are in threaded connection with two ends of the movable cross beam 20, and two second driving shafts 19 of the other group penetrate through the top beam 9 and are in threaded connection with two ends of the end milling cross beam 23.
According to the technical scheme, mechanical energy generated by the first transmission shaft 16 and the second transmission shaft 17 during rotation is transmitted to the vertical second driving shaft 19 through the gear box 18, and the moving beam 20 and the end milling beam 23 are respectively driven to move in the vertical direction through the rotating second driving shaft 19.
In this embodiment, two ends of the bottom of the movable beam 20 are respectively provided with a second pressing cylinder 28, and the two ends of the movable beam 20 are connected with the guide groove 29 in a sliding manner, and the movable beam 20 cooperates with the guide groove 29 and the second driving shaft 19 to form a lifting structure.
According to the technical scheme, the two sides of the workpiece are conveniently clamped through the two oppositely-arranged second pressing oil cylinders 28, the two vertically-arranged first pressing oil cylinders 22 are convenient for applying pressure to the tops of the workpiece, the second pressing oil cylinders 28 and the first pressing oil cylinders 22 are mutually matched, the clamping device can adapt to workpieces in various shapes, in the clamping process, the workpiece is ensured to be kept stable, the vibration of the workpiece during machining is reduced, and the machining efficiency is improved while the machining precision is improved.
In this embodiment, the connection mode between the two ends of the end milling cross beam 23 and the column 8 is sliding connection, and the end milling cross beam 23 cooperates with the column 8 and the second driving shaft 19 to form a lifting structure.
According to the technical scheme, the vertical milling saddle 24 and the second square sleeper spindle 25 are driven to move in the vertical direction through the vertical milling cross beam 23, and the processing range of the second square sleeper spindle 25 is enlarged.
In this embodiment, the third driving shaft 27 is connected to the end mill saddle 24 by a screw thread, the end mill saddle 24 is connected to the end mill cross beam 23 by a sliding connection, and the end mill saddle 24 cooperates with the end mill cross beam 23 and the third driving shaft 27 to form a sliding structure.
According to the technical scheme, the vertical milling cross beam 23 drives the vertical milling saddle 24 and the second square sleeper spindle 25 to move in the horizontal direction, and the processing range of the second square sleeper spindle 25 is further enlarged.
The working principle of the embodiment is as follows: according to fig. 1-4, during machining, firstly, a workpiece to be machined is placed at the top end of a workbench 5, then an external power supply is switched on, a first stepping motor 6 is started to cooperate with a rotating meshing wheel 7 and a transmission rack 3 to drive the workbench 5 to slide along a guide rail 4, the workpiece is conveyed to the position below a top beam 9, then a third stepping motor 14 is started to cooperate with a synchronous belt through a driving disc 15 to drive a corresponding second transmission shaft 17 to start rotating, cooperate with a corresponding second transmission shaft 19 to drive a movable cross beam 20 to start sliding downwards along a guide groove 29 until two second pressing cylinders 28 which are oppositely arranged move to two sides of the workpiece, then two first pressing cylinders 22 and two second pressing cylinders 28 are simultaneously started until the two first pressing cylinders 22 cooperate with the two second pressing cylinders 28 to clamp the workpiece, and a milling head to be used is respectively installed on the two first square pillow main shafts 11 and the second square pillow main shaft 25, the vertical milling saddle 24 and the two spindle saddles 10 are started simultaneously, then the third stepping motors 14 are respectively started, the driving discs 15 are matched with the synchronous belts to drive the corresponding first transmission shafts 16 to start rotating, the corresponding second driving shafts 19 are matched to drive the vertical milling cross beams 23 to slide up and down along the vertical columns 8, the height of the second square pillow spindle 25 is adjusted, the third stepping motors 26 are synchronously started, the vertical milling saddle 24 is driven by the third driving shafts 27 to slide left and right along the vertical milling cross beams 23, the position of the second square pillow spindle 25 in the left and right direction is adjusted, the second stepping motors 12 are started simultaneously according to requirements, the first driving shafts 13 are matched to drive the spindle saddles 10 to slide up and down along the vertical columns 8, and the height of the first square pillow spindle 11 is adjusted to simultaneously process five surfaces of a workpiece synchronously.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. Compound longmen of numerical control super large work piece shock-proof type mills boring machine part, including base (1), workstation (5), stand (8), travelling beam (20) and end mill crossbeam (23), its characterized in that: a transmission rack (3) is arranged on one side of the bottom (2) and inside the inner groove (2), and two guide rails (4) are respectively arranged at two ends of the top of the base (1); two ends of the bottom of the workbench (5) are respectively connected with the two guide rails (4) in a sliding manner, and one end of the workbench (5) is provided with a first stepping motor (6); the two upright columns (8) are symmetrically arranged, the bottoms of the two upright columns (8) are respectively fixedly connected with the outer walls of the two sides of the base (1), and the top ends of the two upright columns (8) are respectively fixedly connected with the two ends of the bottom of the top beam (9); a second stepping motor (12) is mounted on the same side of each upright post (8), and the top end of each second stepping motor (12) is rotatably connected with a first driving shaft (13); each first driving shaft (13) is respectively connected with a main shaft saddle (10), and the main shaft saddle (10) is connected with the outer wall of one side of the upright post (8); the movable cross beam (20) is arranged below the top beam (9), two ends of the movable cross beam (20) are respectively connected with the two guide grooves (29), and the two guide grooves (29) are respectively arranged on the outer walls of the two upright columns (8) close to one side of the base (1); one side, close to the main shaft saddle (10), of the movable cross beam (20) is provided with two support beams (21), and the bottom of each support beam (21) is provided with a first pressing oil cylinder (22); two ends of the vertical milling cross beam (23) are respectively connected with the outer walls of the two upright columns (8) far away from the main shaft saddle (10), a third stepping motor (26) is installed at one end of the outer wall of the vertical milling cross beam (23), and the third stepping motor (26) is rotatably connected with a third driving shaft (27); and the third driving shaft (27) is connected with the vertical milling saddle (24), and a second square sleeper spindle (25) is installed at the bottom of the vertical milling saddle (24).
2. The numerical control ultra-large workpiece damping type composite gantry milling and boring machine component as claimed in claim 1, is characterized in that: the two first stepping motors (6) are symmetrically arranged, the bottom of each first stepping motor (6) is rotatably connected with a meshing wheel (7), and each meshing wheel (7) is meshed with the transmission rack (3); the first stepping motor (6) is matched with the meshing wheel (7), the transmission rack (3) and the workbench (5) to form a sliding structure.
3. The numerical control ultra-large workpiece damping type composite gantry milling and boring machine component as claimed in claim 1, characterized in that: a first transmission shaft (16) and a second transmission shaft (17) are mounted at the top of the top beam (9), and the length of the first transmission shaft (16) is greater than that of the second transmission shaft (17); two groups of gear boxes (18) are installed at the top of the top beam (9), two gear boxes are symmetrically arranged on each group of gear boxes (18), and the two groups of gear boxes (18) are connected with the two ends of the first transmission shaft (16) and the two ends of the second transmission shaft (17) respectively.
4. The numerical control ultra-large workpiece damping type composite gantry milling and boring machine component as claimed in claim 1, is characterized in that: the top of the top beam (9) is provided with two third stepping motors (14), and each third stepping motor (14) is connected with a driving disc (15) in a rotating way.
5. The numerical control ultra-large workpiece damping type composite gantry milling and boring machine component as claimed in claim 1, is characterized in that: one end of each main shaft saddle (10) close to the base (1) is provided with a first square pillow main shaft (11), the main shaft saddle (10) is connected with the upright post (8) in a sliding manner, and meanwhile the main shaft saddle (10) is connected with a first driving shaft (13) in a threaded manner; the main shaft saddle (10) is matched with the first driving shaft (13) to form a lifting structure with the upright post (8).
6. The numerical control ultra-large workpiece damping type composite gantry milling and boring machine component as claimed in claim 3, characterized in that: the bottom of each group of gear boxes (18) is rotationally connected with a group of second driving shafts (19), and two second driving shafts (19) are symmetrically arranged in each group; two second driving shafts (19) of one group penetrate through the top beam (9) and are in threaded connection with two ends of the movable cross beam (20), and two second driving shafts (19) of the other group penetrate through the top beam (9) and are in threaded connection with two ends of the vertical milling cross beam (23).
7. The numerical control ultra-large workpiece damping type composite gantry milling and boring machine component as claimed in claim 1, is characterized in that: two ends of the bottom of the movable cross beam (20) are respectively provided with a second pressing oil cylinder (28), the two ends of the movable cross beam (20) are connected with the guide groove (29) in a sliding mode, and the movable cross beam (20) is matched with the guide groove (29) and the second driving shaft (19) to form a lifting structure.
8. The numerical control ultra-large workpiece damping type composite gantry milling and boring machine component as claimed in claim 1, is characterized in that: the two ends of the end milling cross beam (23) are connected with the stand column (8) in a sliding mode, and the end milling cross beam (23) is matched with the stand column (8) and the second driving shaft (19) to form a lifting structure.
9. The numerical control ultra-large workpiece damping type composite gantry milling and boring machine component as claimed in claim 1, characterized in that: the third driving shaft (27) is in threaded connection with the end milling saddle (24), the end milling saddle (24) is in sliding connection with the end milling cross beam (23), and the end milling saddle (24) is matched with the end milling cross beam (23) to form a sliding structure with the third driving shaft (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210531200.4A CN114749966A (en) | 2022-05-16 | 2022-05-16 | Numerical control super-large workpiece damping type composite gantry milling and boring machine part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210531200.4A CN114749966A (en) | 2022-05-16 | 2022-05-16 | Numerical control super-large workpiece damping type composite gantry milling and boring machine part |
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| CN114749966A true CN114749966A (en) | 2022-07-15 |
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| CN202210531200.4A Pending CN114749966A (en) | 2022-05-16 | 2022-05-16 | Numerical control super-large workpiece damping type composite gantry milling and boring machine part |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2323908Y (en) * | 1998-02-12 | 1999-06-16 | 任恢跃 | Multi-function universal boring and milling machine |
| US20100109221A1 (en) * | 2008-10-30 | 2010-05-06 | Hyundai Motor Company | Jig device |
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