CN110125462B - Double-sided boring and milling machine based on dead axle layering principle - Google Patents
Double-sided boring and milling machine based on dead axle layering principle Download PDFInfo
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- CN110125462B CN110125462B CN201910390591.0A CN201910390591A CN110125462B CN 110125462 B CN110125462 B CN 110125462B CN 201910390591 A CN201910390591 A CN 201910390591A CN 110125462 B CN110125462 B CN 110125462B
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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
- B23C1/04—Milling machines not designed for particular work or special operations with a plurality of horizontal working-spindles
- B23C1/045—Opposed - spindle machines
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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
- B23C1/14—Milling machines not designed for particular work or special operations with rotary work-carrying table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/017—Arrangements of ways
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/48—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs
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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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
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Abstract
The invention discloses a double-sided boring and milling machine based on a dead axle layering principle, which structurally comprises a feeding ram, a processing platform, a boring and milling spindle, upright columns, a lifting plate, a spindle motor and a fixed base, wherein the bottom of the feeding ram is installed at the top of the fixed base in a buckling mode, the left side and the right side of the fixed base are respectively provided with the upright columns, and the front ends of the upright columns are connected with the lifting plate in a buckling mode. The processing platform can independently ascend and descend through the layering mechanism, the upper end and the lower end of a workpiece can be processed by the boring and milling spindle within a limit range, the layering mechanism is divided into the main platform and the auxiliary platform, the main platform and the auxiliary platform can be independently controlled according to the size range of the workpiece, the size difference between the platform and the workpiece is maximally reduced, the condition that the boring and milling spindle impacts the platform is avoided, the main platform and the auxiliary platform can be rotationally controlled through the bidirectional conversion group when the angle needs to be switched, the limit distance is increased, the processing range is improved, and the risk of collision stroke of equipment is effectively reduced.
Description
Technical Field
The invention relates to the field of milling machines, in particular to a double-sided boring and milling machine based on a dead axle layering principle.
Background
The milling machine is a device which mainly uses a milling cutter to process various surfaces on a workpiece, usually the rotation motion of the milling cutter is the main motion, the movement of the workpiece and the milling cutter is the feed motion, a horizontal boring and milling machine is generally a bigger device and has the same reason with a horizontal processing center, the existing numerical control boring and milling machine can be basically used with the processing center, only the limitation of a boring machine for processing parts is less, the ram of the boring and milling machine is more stable, the precision of the processed surface is higher, and the good processing center can be basically realized. The prior art on the market has the following problems in the using process:
because the current processing platform can only be controlled by the lifting shaft per se on the height position because the horizontal adjustment processing can be carried out only by the movement of the ram after the workpiece is fixed, the platform position cannot be adjusted when a plurality of workpieces with large height values are processed, the lifting shaft is easy to limit, and the workpieces with large position difference can not be processed from head to tail.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-sided boring and milling machine based on a fixed-axis layering principle, so as to solve the problems that the position of a platform cannot be adjusted when processing certain workpieces with large height values, the lifting shaft is easy to limit and the head and the tail of the workpieces with large position differences cannot be processed because the conventional processing table can only be horizontally adjusted and processed by the movement of a ram after the workpieces are fixed and can only be controlled by the lifting shaft at the height position.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a two-sided boring and milling machine based on dead axle layering principle, its structure is including feeding the ram, processing platform, the boring and milling main shaft, the stand, the lifter plate, spindle motor, unable adjustment base, it installs in the unable adjustment base top through the lock mode to feed the ram bottom, the unable adjustment base left and right sides is equipped with the stand respectively, the stand front end is connected through the lock mode with the lifter plate, the boring and milling main shaft is equipped with two, and respectively with the looks gomphosis of lifter plate, the ram middle part is located to feed through the lock mode at processing platform head and the tail both ends, spindle motor is run through connection in the boring and milling main.
As the further optimization of the technical scheme, the processing platform comprises a splicing fixture block, a layering mechanism and a platform main body, wherein the layering mechanism is internally installed in the middle of the platform main body in an embedding mode, and the front end and the rear end of the platform main body are respectively provided with the splicing fixture block and are of an integrated structure.
As the further optimization of this technical scheme, the platform main part includes lifting screw, automatically controlled base, two-way conversion group, and automatically controlled base is installed in platform main part bottom through the lock mode, and two-way conversion group installs in automatically controlled base upper end middle part through the embedding mode in the bottom, and lifting screw is equipped with more than two, and even equidistance distributes inside automatically controlled base, and two-way conversion group top and the gomphosis of layering mechanism bottom intermediate position, and layering mechanism bottom both ends are connected with the lifting screw top.
As the further optimization of this technical scheme, the layering mechanism includes that the slip foot is young, main platform, axial outer lane, vice platform, axial inner circle, and main platform bottom is located to the axial outer lane to be integral structure, main platform middle part is equipped with vice platform, and vice platform bottom is equipped with the axial inner circle, and the slip foot is young to be equipped with more than two, and through lock mode even equidistance distribution in axial outer lane, inside the inner circle.
As the further optimization of the technical scheme, the bidirectional conversion set comprises a connecting shaft, a one-way shaft, limiting strips and a lifting sleeve shaft, the bottom of the connecting shaft is connected with the inside of the one-way shaft in a sleeved mode, the limiting strips are arranged on two sides of the one-way shaft respectively and are of an integrated structure, and the lifting sleeve shaft is connected with the lifting sleeve shaft in a sleeved mode.
And the surface of the processing platform is provided with assembling grooves which correspond to the assembling grooves in the main platform and the auxiliary platform.
As the further optimization of the technical scheme, the pulleys are respectively arranged at the four corners of the sliding foot clip, so that a good resistance reduction effect can be achieved in the moving process, and the sliding property is improved.
As a further optimization of the technical scheme, the upper ends of the connecting shaft and the one-way shaft are respectively provided with a connecting piece for being connected and fixed with the main platform and the auxiliary platform, and synchronous control is realized when angle switching is carried out.
As a further optimization of the technical scheme, the funnel-shaped sliding rail is arranged inside the lifting sleeve shaft, so that good guide is formed for the limiting strip when the lifting sleeve shaft is in contact with the one-way shaft, and the resetting of steering is ensured.
Advantageous effects
The invention relates to a double-sided boring and milling machine based on a fixed-axis layering principle, which is characterized in that a workpiece to be processed is positioned on a processing platform and can move back and forth through a feeding ram, a lifting plate is used for driving a boring and milling spindle to move in height integrally and is rotationally driven through a spindle motor so as to process the workpiece, a layering mechanism can be used as a main placement origin of the workpiece so as to facilitate the average adjustment of a processing stroke, a splicing fixture block is used for splicing a platform main body and the feeding ram, when the position of the workpiece needs to be adjusted, an electric control base controls a lifting screw to rotate so as to enable a layering mechanism to lift upwards, at the moment, a bidirectional conversion set is synchronously dragged to lift, the bidirectional conversion set can rotate and separately adjust the angular direction of the layering mechanism so as to enable functions to be more diversified, the height in the layering mechanism is divided into a main platform and an auxiliary platform, and the single-selection, if when the work piece to the volume less is being processed, can the independent control vice platform rise, ensure that the salient area of vice platform accounts for the error with the work piece volume and reduce, avoid the boring and milling main shaft to appear colliding the condition of machine with the processing platform when processing work piece bottom, and through two-way conversion group rotary drive at the in-process that rises, can drive the main platform, vice platform carries out the angle switching, the range of processing has been improved, under the drive of automatically controlled base, the connecting axle is used for carrying out rotary control to vice platform, the one-way axle corresponds main platform, inside the one-way axle goes into the lift sleeve through spacing knot when descending, the connecting axle carries out vice platform alone rotatory this moment, just realized main platform and vice platform coaxial rotation after the one-way axle rises and breaks away from the inside slide rail of lift sleeve, so that to make the adjustment to the size of not using the work.
Based on the prior art, the invention can achieve the following advantages after operation:
the processing platform can rise and fall alone through the layering mechanism, ensure that the boring and milling main shaft can process the upper and lower tip of work piece in spacing scope, the layering mechanism divide into main platform and vice platform, can be according to the volume scope individual control of work piece, the maximize reduces the volume difference of platform and work piece, avoid appearing the condition that the boring and milling main shaft strikes the platform, can carry out the rotation control of main platform and vice platform through two-way conversion group when needs switch angle, both increased spacing distance, improve the processing scope, and effectively reduced the risk that equipment collided the quick-witted stroke.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a double-sided boring and milling machine based on the fixed-axis layering principle.
FIG. 2 is a schematic view of a top view structure of a machining platform of a double-sided boring and milling machine based on the fixed-axis layering principle.
FIG. 3 is a side view structural section of a processing platform of a double-sided boring and milling machine based on the fixed axis layering principle.
FIG. 4 is a schematic structural diagram of a machining platform of a double-sided boring and milling machine based on the fixed-axis layering principle.
FIG. 5 is a schematic view of the bottom structure of the layering mechanism of the double-sided boring and milling machine based on the fixed-axis layering principle.
FIG. 6 is a schematic structural diagram of a bidirectional conversion set of a double-sided boring and milling machine based on the fixed-axis layering principle.
FIG. 7 is a perspective view of a front view of a lifting sleeve shaft of a double-sided boring and milling machine based on the fixed shaft layering principle.
Reference numerals in the drawings indicate: the device comprises a feeding ram-a, a processing platform-b, a boring and milling spindle-c, an upright post-d, a lifting plate-e, a spindle motor-f, a fixed base-g, a splicing fixture block-b 1, a layering mechanism-b 2, a platform main body-b 3, a lifting screw-b 3-1, an electric control base-b 3-2, a bidirectional conversion group-b 3-3, a sliding foot-b 2-1, a main platform-b 2-2, an axial outer ring-b 2-3, an auxiliary platform-b 2-4, an axial inner ring-b 2-5, a connecting shaft-b 3-301, a unidirectional shaft-b 3-302, a limiting strip-b 3-303 and a lifting sleeve shaft-b 3-304.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
The upper and lower, inner and outer, front and rear, and left and right in the present invention are referred to with reference to the orientation in fig. 1.
Examples
Referring to fig. 1-7, the invention provides a double-sided boring and milling machine based on the fixed-axis layering principle, which comprises a feeding ram a, a processing platform b, a boring and milling spindle c, two columns d, a lifting plate e, two spindle motors f and a fixed base g, wherein the bottom of the feeding ram a is mounted at the top of the fixed base g in a buckling manner, the columns d are respectively arranged on the left side and the right side of the fixed base g, the front ends of the columns d are connected with the lifting plate e in a buckling manner, the boring and milling spindle c is provided with two columns which are respectively embedded with the lifting plate e, the head end and the tail end of the processing platform b are arranged in the middle of the feeding ram a in a buckling manner, the spindle motors f are respectively connected to the outer side of the boring and milling spindle c in a penetrating manner, a workpiece to be processed is positioned on the processing platform b, and then can move back and forth through the feeding ram a, and forth, and, and is rotationally driven by a spindle motor f to further process the workpiece.
Processing platform b includes concatenation fixture block b1, layered structure b2, platform main part b3, install in platform main part b3 middle part through the gomphosis mode in layered structure b2 is inside, both ends are equipped with concatenation fixture block b1 respectively around platform main part b3 to be the integral structure, layered structure b2 can place the initial point as the owner of work piece to in the average adjustment of machining stroke, concatenation fixture block b1 is used for splicing platform main part b3 and feeding ram a.
The platform main body b3 comprises lifting screws b3-1, an electric control base b3-2 and a bidirectional conversion group b3-3, the electric control base b3-2 is mounted at the bottom of the platform main body b3 in a buckling mode, the bottom of the bidirectional conversion group b3-3 is mounted in the middle of the upper end of the electric control base b3-2 in an embedding mode, more than two lifting screws b3-1 are arranged and evenly and equidistantly distributed in the electric control base b3-2, the top of the bidirectional conversion group b3-3 is embedded with the middle position of the bottom of a layering mechanism b2, two ends of the bottom of the layering mechanism b2 are connected with the top of the lifting screws b3-1, when the position of a workpiece needs to be adjusted, the electric control base b3-2 controls the lifting screws b3-1 to rotate to enable the layering mechanism b2 to ascend, and synchronously drags the bidirectional conversion group b3-3, the bidirectional switching group b3-3 can rotate and separately adjust the angular direction of the layering mechanism b2, so that the functions are more diversified.
The layering mechanism b2 comprises a sliding leg sub b2-1, a main platform b2-2, an axial outer ring b2-3, an auxiliary platform b2-4 and an axial inner ring b2-5, wherein the axial outer ring b2-3 is arranged at the bottom of the main platform b2-2 and is of an integrated structure, the auxiliary platform b2-4 is arranged at the middle of the main platform b2-2, the axial inner ring b2-5 is arranged at the bottom of the auxiliary platform b2-4, more than two sliding leg sub b2-1 are arranged and are uniformly and equidistantly distributed in the axial outer ring b2-3 and the inward inner ring b2-5 in a buckling mode, the height in the layering mechanism b2 is divided into the main platform b2-2 and the auxiliary platform b2-4, single selection can be carried out according to the volumes of different workpieces, if a workpiece with a smaller volume is machined, the auxiliary platform b2-4 can be independently controlled to ascend, the proportion error of the projection area of the auxiliary platform b2-4 to the volume of the workpiece is reduced, the phenomenon that the boring and milling spindle c collides with the processing platform b when the bottom of the workpiece is processed is avoided, the main platform b2-2 and the auxiliary platform b2-4 can be driven to carry out angle switching through the rotary drive of the bidirectional conversion group b3-3 in the lifting process, and the processing range is enlarged.
The bidirectional conversion group b3-3 comprises a connecting shaft b3-301, a unidirectional shaft b3-302, a limiting strip b3-303 and a lifting sleeve shaft b3-304, the bottom of the connecting shaft b3-301 is connected with the inside of the unidirectional shaft b3-302 in a sleeved mode, the two sides of the unidirectional shaft b3-302 are respectively provided with the limiting strips b3-303 and are of an integrated structure, the lifting sleeve shaft b3-304 is connected with the lifting sleeve shaft b3-304 in a sleeved mode, under the driving of an electric control base b3-2, the connecting shaft b3-301 is used for carrying out rotation control on the auxiliary platform b2-4, the unidirectional shaft b3-302 corresponds to the main platform b2-2, when the unidirectional shaft b3-302 descends, the limiting strip b3-303 is buckled into the inside of the lifting sleeve shaft b3-304, at the moment, the auxiliary platform b 539b 3-301 carries out independent rotation of the connecting shaft b2-4, after the one-way shaft b3-302 rises to be separated from the slide rails in the lifting sleeve shaft b3-304, the main platform b2-2 and the auxiliary platform b2-4 rotate coaxially, so that the size of the unused workpieces can be adjusted conveniently.
And the surface of the processing platform b is provided with an assembly groove which corresponds to the assembly grooves in the main platform b2-2 and the auxiliary platform b 2-4.
The pulleys are respectively arranged at four corners of the sliding leg b2-1, so that a good drag reduction effect can be achieved in the moving process, and the sliding property is improved.
The upper ends of the connecting shaft b3-301 and the one-way shaft b3-302 are respectively provided with a connecting piece for connecting and fixing with the main platform b2-2 and the auxiliary platform b2-4, and synchronous control is realized during angle switching.
The inner parts of the lifting sleeve shafts b3-304 are provided with funnel-shaped sliding rails which form good guide for the limiting strips b3-303 when contacting with the one-way shafts b3-302, thereby ensuring the reset of steering.
The principle of the invention is as follows: positioning a workpiece to be processed on a processing platform b, then moving the workpiece back and forth through a feeding ram a, driving a boring and milling spindle c to move integrally in height by a lifting plate e, rotationally driving the workpiece through a spindle motor f, further processing the workpiece, using a layering mechanism b2 as a main placement origin of the workpiece so as to facilitate average adjustment of a processing stroke, using a splicing fixture block b1 to splice a platform main body b3 with the feeding ram a, controlling a lifting screw b3-1 to rotate by an electric control base b3-2 to enable a layering mechanism b2 to lift upwards when the position of the workpiece needs to be adjusted, synchronously dragging a bidirectional conversion group b3-3 to lift, enabling the bidirectional conversion group b3-3 to rotate, separately adjusting the angular direction of the layering mechanism b2 to enable functions to be more diversified, dividing the height in a layering mechanism b2 into a main platform b2-2 and an auxiliary platform b2-4, the single-selection use can be carried out according to the volumes of different workpieces, if a workpiece with smaller volume is processed, the auxiliary platform b2-4 can be independently controlled to ascend, the error of the ratio of the protruded area of the auxiliary platform b2-4 to the volume of the workpiece is ensured to be reduced, the situation that the boring and milling main shaft c collides with the processing platform b when the bottom of the workpiece is processed is avoided, in the process of ascending, the main platform b2-2 and the auxiliary platform b2-4 can be driven to carry out angle switching through the rotary driving of the bidirectional conversion group b3-3, the processing range is improved, under the driving of the electric control base b3-2, the connecting shaft b3-301 is used for carrying out rotary control on the auxiliary platform b2-4, the unidirectional shaft b3-302 corresponds to the main platform b2-2, when the unidirectional shaft b3-302 descends, the limiting strip b3-303 is buckled into the lifting sleeve shaft b3-304, at the moment, the connecting shaft b3-301 rotates independently for the auxiliary platform b2-4, and the main platform b2-2 and the auxiliary platform b2-4 rotate coaxially after the one-way shaft b3-302 ascends to separate from the sliding rails in the lifting sleeve shaft b3-304, so that the sizes of the unused workpieces can be adjusted conveniently.
The invention solves the problems that the existing processing table can only horizontally adjust and process by the movement of a ram after a workpiece is fixed, can only be controlled by a lifting shaft at a height position, and can not adjust the position of the table when processing workpieces with large height values, so that the lifting shaft is easy to limit and can not process the heads and the tails of the workpieces with large bit differences.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. The utility model provides a two-sided boring and milling machine based on dead axle layering principle, its structure is including feeding ram (a), processing platform (b), boring and milling main shaft (c), stand (d), lifter plate (e), spindle motor (f), unable adjustment base (g), its characterized in that:
the bottom of the feeding ram (a) is installed at the top of a fixed base (g), two sides of the fixed base (g) are respectively provided with an upright post (d), the front end of the upright post (d) is connected with a lifting plate (e), the boring and milling spindle (c) is embedded with the lifting plate (e), two ends of the processing platform (b) are arranged in the middle of the feeding ram (a), and the spindle motor (f) is connected to the outer side of the boring and milling spindle (c);
the processing platform (b) comprises a splicing fixture block (b1), a layering mechanism (b2) and a platform main body (b3), the layering mechanism (b2) is internally installed in the middle of the platform main body (b3), splicing fixture blocks (b1) are arranged at two ends of the platform main body (b3), the platform main body (b3) comprises a lifting screw (b3-1), an electric control base (b3-2) and a two-way conversion group (b3-3), the electric control base (b3-2) is installed at the bottom of the platform main body (b3), the bottom of the two-way conversion group (b3-3) is installed in the middle of the upper end of the electric control base (b3-2), the lifting screw (b3-1) is distributed in the electric control base (b3-2), the top of the two-way conversion group (b3-3) is connected with the bottom of the layering mechanism (b2), the bottom of the layering mechanism (b2) is connected with the top of the lifting screw (b 46, the layering mechanism (b2) comprises sliding leg pieces (b2-1), a main platform (b2-2), an axial outer ring (b2-3), an auxiliary platform (b2-4) and an axial inner ring (b2-5), wherein the axial outer ring (b2-3) is arranged at the bottom of the main platform (b2-2), the auxiliary platform (b2-4) is arranged in the middle of the main platform (b2-2), the axial inner ring (b2-5) is arranged at the bottom of the auxiliary platform (b2-4), and the sliding leg pieces (b2-1) are distributed in the axial outer ring (b2-3) and the inner ring (b 2-5).
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CN111687456A (en) * | 2020-04-28 | 2020-09-22 | 东莞市固达机械制造有限公司 | Numerical control double-side milling machine with rotary workbench |
CN118092310B (en) * | 2024-04-23 | 2024-07-16 | 济南二机床集团有限公司 | Method, device, equipment and medium for switching control channels of double-sided boring common shaft |
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US5920973A (en) * | 1997-03-09 | 1999-07-13 | Electro Scientific Industries, Inc. | Hole forming system with multiple spindles per station |
CN201529783U (en) * | 2009-11-06 | 2010-07-21 | 芜湖日升重型机床有限公司 | Double-sided floor type boring-milling machine |
CN201702414U (en) * | 2010-07-06 | 2011-01-12 | 六安瑞普数控机械有限公司 | Numerical-control combined machine tool with double-faced boring |
CN202894389U (en) * | 2012-11-14 | 2013-04-24 | 湖北汇科数控组合机电装备有限公司 | Double-column boring machine |
CN104999104A (en) * | 2015-07-02 | 2015-10-28 | 诸城市智鑫模具装备有限公司 | Large stand column type double milling numerical control boring and milling machine tool |
CN208600750U (en) * | 2018-08-10 | 2019-03-15 | 安徽池州伟舜机电有限公司 | A kind of bidirectional boring machine |
CN208773158U (en) * | 2018-08-30 | 2019-04-23 | 湖南鈊耐自动工装***发展有限公司 | A kind of rotary index table |
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