CN116352438A - Gantry type double-spindle drilling and milling machining center - Google Patents
Gantry type double-spindle drilling and milling machining center Download PDFInfo
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- CN116352438A CN116352438A CN202310388663.4A CN202310388663A CN116352438A CN 116352438 A CN116352438 A CN 116352438A CN 202310388663 A CN202310388663 A CN 202310388663A CN 116352438 A CN116352438 A CN 116352438A
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- 238000005553 drilling Methods 0.000 title claims abstract description 25
- 238000003801 milling Methods 0.000 title claims abstract description 21
- 230000009471 action Effects 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 15
- 238000001514 detection method Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000010330 laser marking Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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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
-
- 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
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
-
- 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
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/28—Electric drives
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- 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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Abstract
The invention discloses a gantry type double-spindle drilling and milling machining center which comprises a frame, a gantry type machine head structure, a rotatable cantilever beam workbench structure and a tool changing structure, wherein the frame comprises a first frame and a second frame which are distributed in a stepped mode, a first X-direction guide rail and a second X-direction guide rail are arranged on the first frame, a third X-direction guide rail is arranged on the second frame, one end of a cantilever of the gantry type machine head structure is matched with the first X-direction guide rail and the second X-direction guide rail through a supporting plate and a sliding block, and an upright post of the gantry type machine head structure is matched with the third X-direction guide rail; a Y-direction guide rail is arranged on the cantilever and is connected with a mounting plate through a sliding block, a Z-direction guide rail is fixed on the mounting plate, and a first main shaft structure and a second main shaft structure are arranged on the Z-direction guide rail; a rotatable cantilever beam workbench structure is also arranged on the second frame, and is positioned below the gantry type machine head structure and used for fixing the section bar; the first frame is also fixed with a cutter changing structure.
Description
Technical Field
The invention belongs to the technical field of aluminum profile machining, and particularly relates to a gantry type double-spindle drilling and milling machining center.
Background
The existing gantry type machining center mostly adopts a gantry type structure in the shape of a Chinese character 'men', for example, the machining center disclosed in patent CN202110775815.7 adopts a gantry type structure in the shape of a Chinese character 'men', the structure is generally a frame at the bottom, a gantry type machining head is arranged at the top of the frame for movement, the overall stability of the structure is relatively poor, and on the other hand, a tool changing structure cannot be arranged on the frame, so that tool changing is inconvenient; and the existing drilling and milling machining center in the current market only has a single main shaft hole milling or slot milling function, the wall body mounting hole and the middle stile position of the aluminum profile frame are often independent machining parts, manual work or robot transfer to other equipment is needed for carrying out the scribing and the punching again, each process is needed to be manually participated, the punching is basically completed by a milling cutter, the machining speed is low, the cost of the manual work and the equipment is increased, the occupied area is large, and the working efficiency is low.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a gantry type double-spindle drilling and milling machining center.
In order to achieve the above object, the present invention is realized by the following technical scheme:
in a first aspect, an embodiment of the invention provides a gantry type double-spindle drilling and milling center, which comprises a frame, a gantry type machine head structure, a rotatable cantilever beam workbench structure and a tool changing structure, wherein the frame comprises a first frame and a second frame which are distributed in a step mode, a first X-direction guide rail and a second X-direction guide rail are arranged on the first frame, a third X-direction guide rail is arranged on the second frame, one end of a cantilever of the gantry type machine head structure is matched with the first X-direction guide rail and the second X-direction guide rail through a supporting plate and a sliding block, and a stand column of the gantry type machine head structure is matched with the third X-direction guide rail through the sliding block; a Y-direction guide rail is arranged on the cantilever and is connected with a mounting plate through a sliding block, a Z-direction guide rail is fixed on the mounting plate, and a first main shaft structure and a second main shaft structure are arranged on the Z-direction guide rail;
a rotatable cantilever beam workbench structure is also arranged on the second frame, and is positioned below the gantry type machine head structure, and a movable section bar clamping device is arranged on the rotatable cantilever beam workbench structure and is used for fixing a section bar; meanwhile, the rotatable cantilever beam workbench structure can rotate to different positions by carrying a plurality of section clamping devices.
The tool changing structure is further fixed on the first frame, when the tool is required to be changed, the gantry type machine head structure can move to the tool changing position where the tool changing mechanism is located to change the tool, and after the tool is changed, the gantry type machine head structure returns to the original position to process the profile.
As a further technical scheme, the gantry type double-spindle drilling and milling machining center further comprises a laser scribing device, wherein the laser scribing device is arranged on one side of the first spindle structure and can move along with the first spindle structure in the Z direction.
As a further technical scheme, the rear end of the laser scribing device is also provided with an air cylinder independently, and the air cylinder drives the laser scribing device to move independently in the Z direction so as to finish the scribing function of the profile.
As a further technical scheme, the rotatable cantilever beam workbench structure comprises a rotatable cantilever beam and a plurality of profile clamping devices which move along the rotatable cantilever beam and are used for clamping workpieces.
As a further technical scheme, rotatable cantilever beam on be provided with two parallel arrangement's fourth X to the guide rail, be provided with a plurality of sliders on the fourth X to the guide rail, the last corresponding section bar clamping device that is connected with of every slider, every section bar clamping device can be along fourth X to the guide rail removal under driving motor's drive.
As a further technical scheme, section bar clamping device include the bottom plate, the one end of bottom plate is fixed with the back plate, the fixed cylinder of the other end, install driving motor in the bottom of bottom plate, driving motor drive section bar clamping device removes along fourth X guide rail.
As a further technical scheme, an adjusting plate is fixed on the back plate, and the installation height of the adjusting plate on the back plate can be adjusted.
As a further technical scheme, the cutter changing structure can extend out of the first frame or retract into the first frame under the drive of the Y-direction driving device.
As a further technical scheme, a positioning device for positioning the workpiece is further arranged at one end of the rotatable cantilever beam.
As a further technical scheme, the positioning device comprises a fixed frame, an X-direction linear slide rail is fixed on the fixed frame, a supporting plate is arranged on the X-direction linear slide rail and is driven by an air cylinder to move along the X direction, a moving frame is further arranged above the supporting plate and can move along the X direction under the action of external force, and a lifting air cylinder arranged along the Z axis is further arranged on the moving frame and drives the positioning plate to lift; the displacement of the moving frame in the X direction is measured by a measuring device and is sent to a control system.
As a further technical scheme, a broken knife detection device is further arranged on the first frame, and the broken knife detection is added to prevent the profile from being processed secondarily. If the last processing cutter is broken, the section is continuously processed, so that the section is not processed and flows to a subsequent processing position, and is required to be manually transferred to other equipment for processing again, and the efficiency is low.
The beneficial effects of the embodiment of the invention are as follows:
1. the machine head adopts a novel gantry structure, so that the machine head is more stable in the machining process, the machining precision is improved, a cutter changing structure can be directly arranged on the machine frame, the cutter changing structure does not influence the movement of the whole joint, and the cutter changing structure and the machine head do not have any interference; meanwhile, the rotatable cantilever beam workbench structure is positioned below the gantry type machine head structure, and a movable section bar clamping device is arranged on the rotatable cantilever beam workbench structure and is used for fixing a section bar; meanwhile, the rotatable cantilever beam workbench structure can rotate, so that the rotatable cantilever beam workbench structure can rotate together with a plurality of profile clamping devices and profiles to different positions, and the processing of a plurality of surfaces of the profiles is realized, namely, the rotatable cantilever beam workbench structure can meet the processing of most aluminum profiles, and can finish the processing of the processes of pin holes, glue injection holes, water tanks, handle holes, frame wall body mounting holes, middle stile position scribing and the like of the aluminum profiles at one time, and the rotatable cantilever beam workbench structure is compact in structure and small in occupied area.
2. The invention also provides a function of marking the middle stile position by adopting the laser marking and laser marking device.
3. The section bar clamping device is controlled by the servo motor to move, so that the existing machine head shifting clamp is replaced, and the operation efficiency is greatly improved; and still be provided with positioner at rotatable cantilever's tip, before with section bar and backup plate laminating through robot or manual work, lead to machining precision to have the error, positioner can be directly give the aircraft nose with positioning error compensation, and machining precision improves.
4. The invention is driven by the servo motor completely, and has the advantages of high processing precision, high processing speed, accurate processing size, smooth processing position and the like.
5. The invention can complete the whole processing by only one person operation, and can save a great deal of manpower and material resources.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a rotatable cantilever table in the planer-type dual spindle milling center shown in FIG. 1;
fig. 3 is a schematic diagram of a machine head in the gantry type dual spindle drilling and milling machining center shown in fig. 1;
fig. 4 is a schematic view of a tool changing structure in the gantry type double-spindle drilling and milling machining center shown in fig. 1;
fig. 5 is a schematic structural view of a positioning device in the gantry type double-spindle drilling and milling center shown in fig. 1.
Fig. 6 is a schematic view of a structure of a table in the gantry type dual spindle drilling and milling center shown in fig. 1.
In the figure: 1-a frame; 11-X direction guide rail; 12-X direction guide rail; 13-X direction guide rail;
2-a rotatable cantilever beam table structure; 21-a rotatable cantilever; 22-positioning means; 221-fixing frame; 222-pallet; 223-a locating plate up-and-down motion frame; 224-positioning plate; 225-reading head; 226-magnetic grid ruler; 227-linear slide rail; 228-cylinder, 229-lifting cylinder, 230-guide shaft, 231-optical axis, 232-axial bearing;
23-section bar clamping device; 231-a bottom plate; 232-a back plate; 233-a back plate adjustment plate; 234-compressing a cylinder fixing plate; 235-moving the speed reducer mounting rack; 236-a compression cylinder, 237-a speed reducer, 238-a servo motor and 239-a gear;
3-a handpiece structure; 31-X axis supporting plate; 32-gantry type cantilever beam; a 33-Z axis bottom plate; 34-spindle structure one; 35-a second main shaft structure; 36-a laser scribing device; 37-gantry type upright posts;
4-a cutter changing structure; 41-a tool changing bottom plate; 42-a cutter changing structure supporting plate; 43-tool setting gauge; 44-a cutter;
a 5-CNC system console;
6-a broken knife detection device.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
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 exemplary embodiments according to the present invention. As used herein, the singular forms also are intended to include the plural forms unless the present invention clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "upper", "lower", "left" and "right" in the present invention, if they mean only the directions of upper, lower, left and right in correspondence with the drawings themselves, are not limiting in structure, but merely serve to facilitate description of the present invention and simplify description, rather than to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "mounted," "connected," "secured," and the like are to be construed broadly and refer to either a fixed connection, a removable connection, or an integral body, for example; the terms are used herein as specific meanings as understood by those of ordinary skill in the art, and are not limited to the following terms.
As described in the background art, the invention provides a gantry type double-spindle drilling and milling machining center for solving the technical problems.
In an exemplary embodiment of the present invention, as shown in figure 1,
fig. 1 to 6 schematically show a planer-type double-spindle drilling and milling center structure according to an embodiment of the present invention.
As shown in fig. 1, in this embodiment, a gantry type dual spindle drilling and milling center is disclosed, which includes a frame 1, a rotatable cantilever beam workbench structure 2 and a machine head structure 3. The rotatable cantilever workbench structure is fixed on the front side of the machine frame, three X-direction guide rails which are arranged in parallel are arranged on the machine frame 1, wherein two X-direction guide rails (an X-direction guide rail 11 and an X-direction guide rail 12) are positioned on the same plane, and the other X-direction guide rail 13 is positioned on the other plane; specifically, the frame 1 comprises a first frame and a second frame which are distributed in a stepped manner, wherein an X-direction guide rail 11 and an X-direction guide rail 12 are arranged on the first frame, an X-direction guide rail 13 is arranged on the second frame, one end of a cantilever of the gantry type machine head structure is matched with the X-direction guide rail 12 and the X-direction guide rail 11 through a supporting plate and a sliding block, and a stand column of the gantry type machine head structure is matched with the X-direction guide rail 13 through the sliding block; and all be provided with the slider on three X are to the guide rail, be fixed with planer-type aircraft nose structure 3 on the slider, planer-type aircraft nose structure 3 is located rotatable cantilever beam workstation structure 2's upside, and tool changing structure 4 installs the intermediate position at first frame.
As shown in fig. 2, the rotatable cantilever table structure 2 in the present embodiment includes a rotatable cantilever 21 and a plurality of profile clamping devices 23 for clamping a workpiece, which move along the rotatable cantilever. The rotatable cantilever is provided with two parallel guide rails 24, the guide rails 24 are provided with sliding blocks, the sliding blocks are connected with profile clamping devices 23, the profile clamping devices 23 are shown in fig. 6, each profile clamping device comprises a bottom plate 231, a rear backup plate 232 is fixed on the rear side of the bottom plate 231, an adjusting plate 233 is fixed on the rear backup plate 232, and the installation height of the adjusting plate 233 on the rear backup plate 232 can be adjusted; specifically, a mounting groove is vertically provided on the back plate 232, and the adjusting plate 233 is mounted on the mounting groove. A pressing cylinder fixing plate 234 is fixed on the front side of the bottom plate 232, and a pressing cylinder 236 is fixed on the pressing cylinder fixing plate 234. A speed reducer mounting plate 235 is fixed at the bottom of the bottom plate 231, a speed reducer 237 is fixed on the speed reducer mounting plate, and the speed reducer 237 is connected with a servo motor 238; the output end of the speed reducer 238 is connected to a driving gear 239, racks are disposed on the rotatable cantilever beam, and the profile clamping devices 23 are respectively moved by meshing of the racks and the racks, and it should be noted that in this embodiment, each profile clamping device 23 is driven by a respective driving device (a servo motor 238), each profile clamping device 23 can be moved along two parallel guide rails 24 under the driving of the respective driving device, and when the profile clamping device 23 interferes with the machine head, the profile clamping device 23 can be moved at will.
The profile clamping device 23 in this embodiment is controlled to move by the servo motor 238, the number of times of clamping the profile clamping device 23 of the machine tool in the prior art is limited, the clamping device on the machine head is required to clamp, the clamping speed is low, and the machine head needs to run back and forth. In the present embodiment, the number of movements is limited by the servo motor 238, and the number of movements is not overlapped with the movement of the head, and the two movements have no influence, thereby improving the processing speed.
Further, the rotatable cantilever beam 21 is rotated by the driving device 211 at three positions of 0 degrees, 90 degrees and-90 degrees, two ends of the rotatable cantilever beam 21 are supported by bearings and bearing supports, one end of the rotatable cantilever beam is connected with the driving device 211, and the rotatable cantilever beam is driven to rotate by the driving device 211; further, the driving device 211 may be controlled by an existing servo motor.
Further, the rotatable cantilever workbench mechanism 2 further comprises a positioning device 22 for positioning a workpiece, wherein the positioning device 22 is arranged at one end of the rotatable cantilever workbench, the positioning device comprises a fixing frame 221 arranged on the rotatable cantilever 21, a linear sliding rail 227 is fixed on the fixing frame 221, and the arrangement direction of the linear sliding rail 227 is parallel to the direction of the parallel guide rail 24 and is arranged along the X-axis direction;
a cylinder bracket is further provided on the fixing frame 221, and a cylinder 228 is fixed on the cylinder bracket. The linear slide rails 227 and the air cylinders 228 are arranged in parallel, the linear slide rails 227 are provided with sliding blocks, the sliding blocks are fixedly provided with the supporting plates 222, the supporting plates 222 are driven by the air cylinders 228, so that the supporting plates 222 can move back and forth along the linear slide rails 227 (X axis), and further the lower positioning plates 224 can move in the X axis direction;
further, a magnetic grating ruler 226 is fixed above the supporting plate 222, a reading head support 226 is further arranged on the side face of the locating plate up-down movement frame 223, a reading head 225 is mounted on the reading head support 226, and the reading head 225 is matched with the magnetic grating ruler 226 and used for reading the moving distance of the locating plate 224 in the x-axis direction.
Further, a linear bearing 232 is further mounted above the supporting plate 222 and disposed along the X-axis direction, an optical axis 231 is coaxially mounted inside the linear bearing 232, the linear bearing 232 is fixedly connected with the positioning plate up-and-down movement frame 223, the linear bearing 232 can move along the optical axis 231 with the positioning plate up-and-down movement frame 223, and two ends of the optical axis 231 are connected with the supporting plate 222 through supporting seats; the optical axis 231 is also provided with a spring (not shown) that drives the linear bearing 232 to slide along the optical axis 231;
the up-and-down motion frame 223 of the positioning plate is also provided with a lifting cylinder 229 and a guide shaft 230, the axis of the guide shaft 230 is parallel to the lifting cylinder 229, the lifting cylinder 229 and the guide shaft 230 are connected with the positioning plate 224, i.e. the lifting cylinder 229 can drive the cylinder positioning plate 224 to move along the guide shaft 230 in the Z direction; meanwhile, under the action of external force, the positioning plate 224 can also move on the supporting plate 222 along the X axis with the positioning plate up-and-down movement frame 223 under the action of the linear bearing and the spring (the spring is sleeved on the optical axis 231).
Further, buffer pads are further disposed at two ends of the optical axis 231, and the motion of the motion frame 223 is buffered.
As shown in fig. 3, the gantry type machine head structure 3 includes an X-axis supporting plate 31, the X-axis supporting plate 31 is fixed on an X-direction guide rail, a rear side of a gantry type beam 32 is fixed on the X-axis supporting plate 31, and the rear side of the gantry type beam 32 is fixed on an X-direction guide rail slider mounted on the front side of the frame. Two Y-axis guide rails 37 are fixed on the side face of the gantry type cross beam 32, a sliding block is arranged on the Y-axis guide rails 37, a Z-axis bottom plate 33 is fixed on the sliding block, a Z-axis guide rail 38 is fixed on the Z-axis bottom plate 33, a sliding block is arranged on the Z-axis guide rails, and a first main shaft structure 34 and a second main shaft structure 35 are arranged on the sliding block; the first main shaft structure 34 and the second main shaft structure 35 are provided with different types of cutters, and the first main shaft structure 34 is used for milling holes or grooves; by replacing the cutter, the processing of the pin holes, the glue injection holes, the water tank and the handle holes can be completed. The second spindle structure 35 comprises a second spindle motor and a corresponding cutter, and is used for a wall mounting hole of the aluminum profile frame; the laser scribing device is used for scribing the middle stile position; that is, the cutter of the first main shaft structure 34 can be replaced, the cutter of the second main shaft structure 35 cannot be replaced, and the machining speed of the wall body mounting holes on the section bar is improved only by increasing the second main shaft structure 35, because the number of the wall body mounting holes on the section bar is too large, the machining speed in the prior art is slow.
The first spindle structure 34 comprises a bottom plate 341, a driving device 342 and a first spindle motor 343, the driving device 342 drives the bottom plate 341 to move along the Z-axis direction, and the first spindle motor 343 and the first laser scribing device 36 are arranged on the bottom plate 341; the first spindle motor 343 drives the corresponding cutter to rotate, and the laser scribing device 36 can move along a linear guide rail arranged on the bottom plate 341; the laser scribing device 36 is driven by a cylinder to move along the linear guide rail on the bottom plate; specifically, one side of the bottom plate of the first spindle structure 34 is fixed with a first spindle motor 343, the other side of the bottom plate is fixed with a laser up-and-down motion guide rail, a sliding block is fixed on the guide rail, a laser head mounting plate is fixed on the sliding block, a laser head is fixed on the laser head mounting plate, and the upper end of the laser head mounting plate is connected with a cylinder.
The second spindle structure 35 comprises a bottom plate 351, a driving device 352 and a second spindle motor 353, and the driving device 352 drives the bottom plate 351 to move along the Z-axis direction; a spindle motor two 353 is mounted on the bottom plate 351; the spindle motor two 353 drives the corresponding tool to move.
As shown in fig. 4, the tool changing structure 4 is installed at the middle position of the first frame, when the tool is required to be changed, the gantry type machine head structure 3 can be driven by the servo motor to move to the position where the tool changing structure 4 is located, and then the tool is changed; the tool changing structure 4 comprises a tool changing bottom plate 41, and a tool setting gauge 44 and a plurality of tools 45 are fixed on the upper front side of the tool changing bottom plate 41; a tool changing structure supporting plate 42 is fixed on the frame, a sliding block is fixed at the bottom of the tool changing structure supporting plate 42, the sliding block is matched with a tool changing guide rail fixed on the tool changing bottom plate 41 and is in sliding connection with the tool changing guide rail through a cylinder, and the cylinder drives the tool changing structure supporting plate 42 to move along the Y-axis direction; the tool changing structure supporting plate 42 is used for connecting the tool changing structure with the first frame, when the tool is required to be changed, the tool changing structure 4 stretches out, then the first main shaft structure 34 places the tool on the first main shaft structure in a vacant position, then moves to the position of the tool to be changed, and adsorbs the required tool to realize tool changing.
Further, the inside of the frame is provided with a broken cutter detection device 6, the broken cutter detection device is added to prevent the profile from being processed secondarily, if the cutter is broken off in the last processing, the profile is processed continuously, the profile is not processed and flows to the subsequent processing position, and the profile is required to be manually transferred to other equipment for processing again, so that the efficiency is low. Specifically, the break detection device 6 may employ an existing laser sensor.
The embodiment also comprises a control system which is used for controlling the position of the workbench, the position of the rotary cross beam and the coordination of all the shafts of the machine head part to realize the processing of the workpiece.
The specific working process is as follows:
the aluminum profile to be processed is placed on the bottom plate of the workbench by a person or a robot, and the rotatable cantilever beam 21 is positioned at the 0-degree surface position. The pressing cylinder 235 on the front side of the profile clamping device 23 horizontally presses the aluminum profile to be attached to the back plate adjusting plate 233. At this time, the positioning plate 224 on the positioning device 22 on the rotatable cantilever beam 21 is moved to the upper side by the lifting cylinder 231, and the positioning plate 224 on the positioning device on the rotatable cantilever beam 21 is protruded in the X-axis direction by the cylinder 229. The section bar is close to positioner one side section bar and locating plate 224 laminating mutually, and the last spring of positioner is buffered this moment, and the read head reads the data feedback to control system of buffering, and control system compensates X axis direction processing position according to the data of feedback, guarantees machining precision.
After the profile is placed, the positioning plate 224 on the positioning device is withdrawn and falls to the initial position. After the positioning is finished, the system selects whether to change the cutter according to the machining process, if the cutter is required to be changed, the machine head returns to the middle position of the machine frame, the cutter changing structure stretches out, the control system selects the cutter changing according to the machining process, the main shaft structure firstly moves through each shaft of the driving device through the driving motor, the cutter breaking detection device detects whether the cutter can be normally used or not after the cutter changing is finished, if the cutter is broken, the system prompts a worker to manually change the cutter, and the cutter setting instrument carries out cutter setting after the replacement is finished. And after the tool setting is completed, the tool changing structure returns to the initial position and starts to process. If the cutter is intact, the cutter can be used normally, and the 0-degree surface is directly machined without tool setting. If one of the workbenches interferes with the machine head during processing, the interfered workbench is pressed and loosened, and the driving device drives the workbench to avoid, then the section bar is pressed again, and then the section bar is processed. If the surfaces of 90 degrees and-90 degrees are required to be processed, the machine head returns to the initial state, and the rotatable cantilever beam rotates to the corresponding surface and then is processed by the operation.
When the cutter is required to be replaced in the machining process, the machine head returns to the middle position of the machine frame, the cutter replacing structure 4 stretches out, the control system selects cutter replacement according to the machining process, the spindle motor moves through each shaft of the driving device to replace the cutter, the cutter breakage detection device detects whether the cutter can be normally used or not after the cutter replacement is completed, if the cutter is broken, the system prompts a worker to manually replace the cutter, and the cutter setting instrument is used for setting the cutter after the replacement is completed. And after the tool setting is completed, the tool changing structure returns to the initial position and starts to process. If the cutter can be used normally, the cutter can be directly processed. If the wall body mounting hole needs to be processed, the wall body mounting hole can be directly processed through a spindle motor II on the machine head structure. If laser scribing is needed, the rotatable cross beam rotates to the corresponding scribing surface, and the laser scribing device stretches out to scribe.
Finally, it is pointed out that relational terms such as first and second are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The gantry type double-spindle drilling and milling machining center comprises a frame, a gantry type machine head structure, a rotatable cantilever beam workbench structure and a tool changing structure, wherein the frame comprises a first frame and a second frame which are distributed in a stepped mode, a first X-direction guide rail and a second X-direction guide rail are arranged on the first frame, a third X-direction guide rail is arranged on the second frame, one end of a cantilever of the gantry type machine head structure is matched with the first X-direction guide rail and the second X-direction guide rail through a supporting plate and a sliding block, and an upright post of the gantry type machine head structure is matched with the third X-direction guide rail through the sliding block; a Y-direction guide rail is arranged on the cantilever and is connected with a mounting plate through a sliding block, a Z-direction guide rail is fixed on the mounting plate, and a first main shaft structure and a second main shaft structure are arranged on the Z-direction guide rail;
a rotatable cantilever beam workbench structure is also arranged on the second frame, and is positioned below the gantry type machine head structure and used for fixing the section bar;
the first frame is also fixed with a cutter changing structure.
2. The gantry dual spindle drilling and milling machining center of claim 1, further comprising a laser scoring device mounted on one side of the first spindle structure and movable in the Z direction with the first spindle structure.
3. The gantry type double-spindle drilling and milling machining center according to claim 2, wherein an air cylinder is further arranged at the rear end of the laser scribing device, and the air cylinder drives the laser scribing device to move in the Z direction independently.
4. The gantry dual spindle milling and drilling machining center of claim 1, wherein the rotatable cantilever beam table structure includes a rotatable cantilever beam and a plurality of profile clamping devices movable along the rotatable cantilever beam for clamping the workpiece.
5. The gantry type double-spindle drilling and milling machining center according to claim 4, wherein two fourth X-direction guide rails which are arranged in parallel are arranged on the rotatable cantilever beam, a plurality of sliding blocks are arranged on the fourth X-direction guide rails, each sliding block is correspondingly connected with a profile clamping device, and each profile clamping device can move along the fourth X-direction guide rail under the driving of a driving motor.
6. The gantry type double-spindle drilling and milling center as claimed in claim 5, wherein the profile clamping device comprises a bottom plate, one end of the bottom plate is fixed with a back plate, the other end of the bottom plate is fixed with a cylinder, and a driving motor is installed at the bottom of the bottom plate.
7. The gantry type double-spindle drilling and milling center as claimed in claim 1, wherein a broken cutter detecting device is further installed on the first frame.
8. The gantry type double-spindle drilling and milling machining center according to claim 1, wherein the tool changing structure can extend out of the first frame or retract into the first frame under the drive of the Y-direction driving device.
9. The gantry type double spindle drilling and milling center as claimed in claim 4, wherein a positioning device for positioning the workpiece is further provided at one end of the rotatable cantilever.
10. The gantry type double-spindle drilling and milling machining center according to claim 9, wherein the positioning device comprises a fixed frame, an X-direction linear slide rail is fixed on the fixed frame, a supporting plate is arranged on the X-direction linear slide rail and driven by an air cylinder to move along the X direction, a moving frame is further arranged above the supporting plate and can move along the X direction under the action of external force, and a lifting air cylinder arranged along the Z axis is further arranged on the moving frame and drives the positioning plate to lift; the displacement of the moving frame in the X direction is measured by a measuring device and is sent to a control system.
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| CN202310388663.4A CN116352438A (en) | 2023-04-07 | 2023-04-07 | Gantry type double-spindle drilling and milling machining center |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310388663.4A CN116352438A (en) | 2023-04-07 | 2023-04-07 | Gantry type double-spindle drilling and milling machining center |
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