CN115213690A - Bilateral symmetry turn-milling machining center - Google Patents
Bilateral symmetry turn-milling machining center Download PDFInfo
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- CN115213690A CN115213690A CN202210909670.XA CN202210909670A CN115213690A CN 115213690 A CN115213690 A CN 115213690A CN 202210909670 A CN202210909670 A CN 202210909670A CN 115213690 A CN115213690 A CN 115213690A
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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
- 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
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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
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
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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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
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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
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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
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
- B23Q5/402—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw in which screw or nut can both be driven
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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
Abstract
The invention relates to the technical field of machining equipment, in particular to a bilateral symmetry turn-milling machining center which comprises a rack, a workpiece clamping system and a turn-milling machining system, wherein the rack is provided with a plurality of clamping grooves; the synchronous milling and removing operation of the bulges and the burrs at the outer sides of the friction welding seams at the two ends of the drill rod is realized on one device, the hoisting and reversing of workpieces are not needed, the safety and the production efficiency of the technological process are greatly improved, and meanwhile, the problem of unstable pure turning effect due to the fact that the material hardness of the welding seam region is high is solved through the technological design of turning by using the milling cutter.
Description
The technical field is as follows:
the invention relates to the technical field of machining equipment, in particular to a bilateral symmetry turn-milling machining center.
Background art:
at present, when a drill rod is processed, a common processing scheme is that male and female drill rod joints are welded at two ends of a pipe fitting structure main body in a friction welding mode, welding burrs are cut off, and a product is formed after heat treatment.
In the processing technological process, after friction welding operation, welding lines and burrs protruding from the inner side of a pipe fitting are usually cut off in a red hot state after welding is completed by friction welding equipment, welding lines and burrs protruding from the outer side of the pipe fitting are cut off by a lathe after the welding lines are cooled, the same turning operation needs to be carried out on two ends of a long rod workpiece in the turning process, when a conventional lathe is used for operation, the workpiece needs to be hoisted and reversed at a lathe station, or two lathes are used for respectively processing two ends of the long rod workpiece, the hoisting relation of the former is high in operation risk, the latter equipment is high in cost, and the reduction of processing working hours is not facilitated, and the production efficiency and the production safety management are improved. Meanwhile, according to the actual processing experience, the processing and forming effect of the simple turning processing is unstable due to the higher material hardness of the welding seam, and the technological process contradiction exists with the subsequent heat treatment and product surface treatment technological processes.
The invention content is as follows:
in view of this, it is necessary to design a bilateral symmetry turn-milling machining center, which integrates the turning operations of machining the two ends of the drill rod on the same process step on the same equipment and implements them at the same time, and improves the machining process scheme, and improves the related production efficiency and product quality.
The bilateral symmetry turn-milling machining center comprises a rack, a workpiece clamping system and a turn-milling machining system.
The machine frame comprises a machine body and machine legs, the machine body is fixedly installed through the machine legs and is an inclined machine body, a spindle box slide rail is arranged on the lower portion of a working surface of the machine body, the axis of the spindle box slide rail is horizontal, slide rail plates which are bilaterally symmetrical are arranged on the upper portion of the working surface of the machine body, and the slide rail plates are parallel to the spindle box slide rail.
The workpiece clamping system consists of a power main shaft device, a follow-up main shaft device and a center frame.
Wherein power spindle unit includes the power headstock, power spindle screw device, headstock location chuck, first holder, holder drive belt and holder driving motor, headstock location chuck is installed in headstock slide rail one end, with headstock slide rail sliding fit and be provided with hydraulic fixture, hydraulic fixture is used for hydraulic pressure action chucking headstock slide rail to realize the fixed connection between the two, the power headstock is installed on headstock location chuck, first holder passes through the bearing rotation and installs on the power headstock, holder driving motor installs in the power headstock and is connected with first holder transmission through the holder drive belt, power spindle screw device installs between headstock slide rail and headstock location chuck, a motion for driving power spindle unit along the headstock slide rail.
Follow-up spindle unit includes the follow-up headstock, follow-up headstock lead screw device, headstock positioning chuck and second holder, headstock positioning chuck installs at the headstock slide rail other end, with headstock slide rail sliding fit and be provided with hydraulic fixture, hydraulic fixture is used for hydraulic pressure action chucking headstock slide rail to realize the fixed connection between the two, the follow-up headstock is installed on headstock positioning chuck, the second holder passes through the bearing and rotates and install on the follow-up headstock, follow-up spindle lead screw device installs between headstock slide rail and headstock positioning chuck, be used for driving the motion of follow-up spindle unit along the headstock slide rail.
In the above structure, the workpiece is held between the power spindle device and the follower spindle device by the first holder and the second holder and the axis is determined.
The center frame comprises a bearing box, a bearing box chuck, a bearing riding wheel and a side wheel device, wherein the bearing box is fixedly arranged at the center of a main shaft box sliding rail through the bearing box chuck, the bearing riding wheel is arranged on the upper part of the bearing box and is contacted with the lower surface of a workpiece, the bearing riding wheel is used for lifting the middle part of the workpiece to prevent the workpiece from being bent, the side wheel device comprises a hinge rod hinged on the bearing box and a side wheel arranged at the top of the hinge rod, and the side wheel is contacted with the side surface of the workpiece and is used for limiting the middle part of the workpiece in a lateral direction.
The two turn-milling systems are symmetrically arranged on the slide carriage slide rail at two sides and are positioned at the inner side of the workpiece clamping system; each end turning system comprises a milling cutter device, a milling cutter driver, a first slide carriage driving screw rod device, a second slide carriage and a second slide carriage driving screw rod device; the milling cutter device is installed on the second slide carriage, and the milling cutter driver is installed above the milling cutter device and is in transmission connection with the milling cutter device.
During working, tools such as a crane and a forklift are used for lifting a workpiece to a position between the power spindle device and the follow-up spindle device, the power spindle screw device and the follow-up spindle screw device are started to move inwards, two ends of the workpiece are clamped between the first clamp and the second clamp, the first clamp and the second clamp are used for clamping the workpiece and leveling the workpiece to fix the workpiece in place, and the center frame is installed in place to support and limit the middle of the workpiece. When the milling cutter device is used for machining, the clamp driving motor is started, the workpiece is driven to rotate through the clamp driving belt, the milling cutter driver drives the working part of the milling cutter device to rotate, and then the two ends of the workpiece are synchronously turned and milled through the rotating working part of the milling cutter device. In the machining process, the turning removal of the bulging materials and burrs on the outer side of the welding seam can be completed in a milling mode by controlling the rotating speed and the feeding process of the milling cutter device and the rotating speed of the workpiece driven by the first clamp, and the problem of unstable pure turning effect of the area with high material hardness is solved.
In the structure, the first slide carriage driving screw device controls the first slide carriage to move relative to the slide carriage slide rail to provide x-axis positioning parameters of the cutter, the second slide carriage driving screw device controls the second slide carriage to move relative to the vertical slide rail pair to provide y-axis positioning parameters of the cutter, and under the normal condition, the axes of the clamp bearings in the power spindle device and the follow-up spindle device are positioned on the y-axis movement path of the milling cutter device through equipment size design, so that the z-axis positioning parameters of the milling cutter device can be ignored to finish normal turn-milling processing. In engineering practice, however, the influence of the installation and manufacturing precision of equipment is considered, and zero setting requirements exist on the positioning parameters of the z axis of the cutter in the machining process;
preferably, the workpiece clamping system further comprises a tool setting and height adjusting device, the tool setting and height adjusting device is installed between the spindle box positioning chuck and the power spindle box and the servo spindle box, or the tool setting and height adjusting device is installed between the first holder and the second holder and the power spindle box and the servo spindle box, the tool setting and height adjusting device is used for adjusting the distance between the workpiece and the machine tool body, and the distance is the z-axis positioning parameter. Or the turning and milling system further comprises a tool setting and height adjusting device, the tool setting and height adjusting device is installed between the first slide carriage and the slide carriage slide rail, or the tool setting and height adjusting device is installed between the second slide carriage and the first slide carriage, or the tool setting and height adjusting device is installed between the second slide carriage and the milling cutter device, the tool setting and height adjusting device is used for adjusting the distance between the rotary tool rest and the lathe bed, and the distance is the z-axis positioning parameter.
Preferably, the first holder and the second holder are cone top clamps, wherein the cone top working surface of the first holder is provided with an anti-slip groove.
Preferably, the power spindle screw device and the follow-up spindle screw device share one transmission shaft, and the driving directions are synchronous in mirror image, so that the operation of workpiece loading and unloading is simplified, and the positioning precision in the workpiece installation process is improved.
Preferably, the center frame further comprises a heightening sliding groove, the heightening sliding groove is formed in the bearing box, the bearing riding wheel and the side wheel device are connected and mounted with the bearing box through the heightening sliding groove, and the heightening sliding groove is used for adjusting the height of the bearing riding wheel and the height of the side wheel to meet the requirements of workpieces with different diameters. When a tool setting and height adjusting device is arranged in the workpiece clamping system, the tool setting and height adjusting device can change the z-axis positioning parameters of the workpiece, so that a sliding groove which is adaptive to the change of the z-axis positioning parameters needs to be additionally arranged when the height adjusting sliding groove is arranged in the scheme.
The invention provides a bilateral symmetry turning and milling machining center, which realizes synchronous milling and removing operation of bulges and burrs on the outer sides of friction welding seams at two ends of a drill rod on one device without hoisting and reversing workpieces, greatly improves the safety and production efficiency of the technological process, and solves the problem of unstable simple turning effect due to large material hardness of the welding seam region by using the technological design of turning with a milling cutter.
Description of the drawings:
FIG. 1 is a schematic structural view of a specific embodiment of a bilaterally symmetrical turning and milling center;
FIG. 2 is a schematic front view structure diagram of a specific embodiment of a bilateral symmetry turn-milling machining center;
FIG. 3 is a schematic view of a partial structure of a power spindle device in a specific embodiment of a bilaterally symmetrical turning and milling center;
FIG. 4 is a schematic structural diagram of a center frame in a specific embodiment of a bilaterally symmetrical turning and milling center.
In the figure, a machine frame 1, a machine bed 101, a headstock slide rail 1011, a carriage slide rail 1012, a machine leg 102, a power spindle device 2, a follow-up spindle device 3, a power headstock 201, a follow-up headstock 301, a power spindle lead screw device 202, a follow-up spindle lead screw device 302, a headstock positioning chuck 203, a first clamper 204, an anti-skid groove 2041, a second clamper 304, a clamper driving belt 205, a clamper driving motor 206, a turning and milling system 4, a milling cutter device 401, a milling cutter driver 402, a first carriage 403, a first carriage driving lead screw device 404, a second carriage 405, a second carriage driving lead screw device 406, a vertical slide rail pair 407, a center frame 5, a carrying box 501, an elevation adjusting slide slot 5011, a carrying box chuck 502, a carrying idler wheel 503, a side wheel device 504, a hinge rod 5041 and a side wheel 5042.
The specific implementation mode is as follows:
a double-end turning center comprises a rack 1, a workpiece clamping system and a turning and milling system 4.
The machine frame 1 comprises a machine body 101 and machine legs 102, the machine body 101 is fixedly installed through the machine legs 102, the machine body 101 is the inclined machine body 101, a main spindle box slide rail 1011 is arranged on the lower portion of a working surface of the machine body 101, the axis of the main spindle box slide rail 1011 is horizontal, slide rail 1012 which is bilaterally symmetrical is arranged on the upper portion of the working surface of the machine body 101, and the slide rail 1012 is parallel to the main spindle box slide rail 1011.
The workpiece clamping system consists of a power spindle device 2, a follow-up spindle device 3 and a center/5.
Wherein power spindle unit 2 includes power headstock 201, power spindle screw device 202, headstock positioning chuck 203, first holder 204, holder drive belt 205 and holder driving motor 206, headstock positioning chuck 203 is installed in headstock slide rail 1011 one end, with headstock slide rail 1011 sliding fit and be provided with hydraulic fixture, hydraulic fixture is used for hydraulic action chucking headstock slide rail 1011 to realize fixed connection between the two, power headstock 201 is installed on headstock positioning chuck 203, first holder 204 rotates through the bearing and installs on power headstock 201, holder driving motor 206 installs on power headstock 201 and is connected with first holder 204 through holder drive belt 205 transmission, power spindle screw device 202 installs between slide rail headstock 1011 and headstock positioning chuck 203, be used for driving power spindle unit 2 along the motion of headstock slide rail 1011.
The follow-up spindle device 3 comprises a follow-up spindle box 301, a follow-up spindle box 301 lead screw device, a spindle box positioning chuck 203 and a second clamp holder 304, the spindle box positioning chuck 203 is installed at the other end of a spindle box slide rail 1011, the hydraulic clamp is in sliding fit with the spindle box slide rail 1011 and is arranged, the hydraulic clamp is used for hydraulically clamping the spindle box slide rail 1011 to realize fixed connection between the spindle box slide rail 1011 and the follow-up spindle box 203, the follow-up spindle box 301 is installed on the spindle box positioning chuck 203, the second clamp holder 304 is rotatably installed on the follow-up spindle box 301 through a bearing, the follow-up spindle lead screw device 302 is installed between the spindle box slide rail 1011 and the spindle box positioning chuck 203 and is used for driving the follow-up spindle device 3 to move along the spindle box slide rail 1011.
In the above configuration, the workpiece is held between the power spindle device 2 and the follower spindle device 3 by the first clamper 204 and the second clamper 304 and defines the axis.
The central frame 5 is composed of a bearing box 501, a bearing box chuck 502, a bearing riding wheel 503 and a side wheel device 504, the bearing box 501 is fixedly installed at the center of a main shaft box sliding rail 1011 through the bearing box chuck 502, a height-adjusting sliding groove 5011 is arranged on the bearing box 501, the bearing riding wheel 503 and the side wheel device 504 are connected and installed with the bearing box 501 through the height-adjusting sliding groove 5011, the bearing riding wheel 503 is in contact with the lower surface of a workpiece, the bearing riding wheel 503 is used for lifting the middle of the workpiece to prevent the workpiece from bending, the side wheel device 504 is composed of a hinged rod 5041 and a side wheel 5042 installed at the top of the hinged rod 5041, the side wheel 5042 is in contact with the side surface of the workpiece and used for laterally limiting the middle of the workpiece, and the side wheel devices 504 are provided with two parts and are respectively in contact with the two sides of the workpiece for limiting.
The two turn-milling processing systems 4 are symmetrically arranged on the slide carriage slide rail 1012 at two sides and are positioned at the inner side of the workpiece clamping system; each turn-milling system 4 comprises a milling cutter device 401, a milling cutter driver 402, a first slide carriage 403, a first slide carriage drive screw device 404, a second slide carriage 405 and a second slide carriage drive screw device 406; the first slide carriage 403 is slidably mounted on a slide carriage slide rail 1012, the screw device of the first slide carriage 403 is mounted between the first slide carriage 403 and the slide carriage slide rail 1012 and is used for driving and controlling the movement of the first slide carriage 403 along the slide carriage slide rail 1012, the lower surface of the second slide carriage 405 and the upper surface of the first slide carriage 403 are provided with vertical slide rail pairs 407 which are matched with each other, the vertical slide rail pairs 407 are vertical relative to a main spindle box slide rail 1011, the second slide carriage 405 is slidably mounted on the first slide carriage 403 through the vertical slide rail pairs 407, the screw device 406 of the second slide carriage driving is mounted between the first slide carriage 403 and the second slide carriage 405 and is used for driving and controlling the movement of the second slide carriage 405 along the vertical slide rail pairs 407 relative to the first slide carriage 403, the milling cutter device 401 is mounted on the second slide carriage 405, and the milling cutter driver 402 is mounted above the milling cutter device 401 and is in transmission connection with the milling cutter device 401.
During work, a workpiece is lifted to a position between the power spindle device 2 and the follow-up spindle device 3 by using tools such as a crane and a forklift, the power spindle lead screw device 202 and the follow-up spindle lead screw device 302 are started to move inwards, two ends of the workpiece are clamped between the first clamp 204 and the second clamp 304, the workpiece is clamped by the first clamp 204 and the second clamp 304 and leveled to be fixed in place, and the center frame 5 is installed in place to support and limit the middle of the workpiece. During machining, the clamp driving motor 206 is started, the clamp driving belt 205 drives the workpiece to rotate, the milling cutter driver 402 drives the working part of the milling cutter device 401 to rotate, and then the rotating working part of the milling cutter device 401 performs synchronous turning and milling on two ends of the workpiece. In the machining process, the turning removal of the bulge materials and burrs on the outer side of the welding seam can be completed in a milling mode by controlling the rotating speed and the feeding process of the milling cutter device 401 and the rotating speed of the workpiece driven by the first clamp 204, and the problem that the simple turning effect is unstable due to the fact that the material in the area is high in hardness is solved.
In the above structure, the first carriage driving screw device 404 controls the first carriage 403 to move relative to the carriage rail 1012 to provide x-axis positioning parameters of the tool, and the second carriage driving screw device 406 controls the second carriage 405 to move relative to the vertical rail pair 407 to provide y-axis positioning parameters of the tool, in general, the device size is designed to make the axis of the bearing of the holder in the power spindle device 2 be on the y-axis movement path of the milling cutter device, i.e. the z-axis positioning parameters of the milling cutter device 401 can be ignored to complete normal turning and milling. However, in engineering practice, considering the influence of installation and manufacturing precision of equipment, there is a zero adjustment requirement for z-axis positioning parameters of a tool during machining, the workpiece clamping system further includes a tool setting height adjusting device installed between the headstock positioning chuck 203 and the power headstock 201 and the servo headstock 301, or between the first holder 204 and the second holder and the power headstock 201 and the servo headstock 301, and the tool setting height adjusting device is used for adjusting the distance between the workpiece and the lathe bed 101, which is the z-axis positioning parameters, or the end turning system 4 further includes a tool setting height adjusting device installed between the first carriage and the carriage slide rail 1012, or between the second carriage 405 and the first carriage 403, or between the second carriage 405 and the milling cutter device 401, and the tool setting height adjusting device is used for adjusting the distance between the milling cutter device 401 and the lathe bed 101, which is the z-axis positioning parameters.
The first holder 204 and the second holder 304 are both cone-top clamps, wherein the cone-top working surface of the first holder 204 is provided with an anti-slip groove 2041.
The power spindle screw device 202 and the follow-up spindle screw device 302 share one transmission shaft, and the driving directions are synchronous in mirror image, so that the operation of loading and unloading workpieces is simplified, and the positioning accuracy of two ends of the workpieces in the installation process is improved.
Claims (6)
1. The bilateral symmetry turn-milling machining center is characterized by comprising a rack, a workpiece clamping system and a turn-milling machining system;
the machine frame consists of a machine body and machine legs, the machine body is fixedly installed through the machine legs and is an inclined machine body, a main spindle box slide rail is arranged at the lower part of a working surface of the machine body, the axis of the main spindle box slide rail is horizontal, slide rail rails which are bilaterally symmetrical are arranged at the upper part of the working surface of the machine body, and the slide rail rails are parallel to the main spindle box slide rail;
the workpiece clamping system consists of a power main shaft device, a follow-up main shaft device and a center frame;
the power spindle device comprises a power spindle box, a power spindle lead screw device, a spindle box positioning chuck, a first clamp, a clamp driving belt and a clamp driving motor, wherein the spindle box positioning chuck is installed at one end of a spindle box sliding rail and is in sliding fit with the spindle box sliding rail and provided with a hydraulic clamp;
the follow-up spindle device comprises a follow-up spindle box, a follow-up spindle box lead screw device, a spindle box positioning chuck and a second clamp holder, the spindle box positioning chuck is installed at the other end of a spindle box slide rail and is in sliding fit with the spindle box slide rail, and a hydraulic clamp is arranged on the spindle box slide rail and is used for clamping the spindle box slide rail in a hydraulic action manner to realize the fixed connection between the two, the follow-up spindle box is installed on the spindle box positioning chuck, the second clamp holder is rotatably installed on the follow-up spindle box through a bearing, and the follow-up spindle lead screw device is installed between the spindle box slide rail and the spindle box positioning chuck and is used for driving the follow-up spindle device to move along the spindle box slide rail;
in the structure, the workpiece is clamped between the power spindle device and the follow-up spindle device by the first clamp and the second clamp, and the axis is determined;
the center frame consists of a bearing box, a bearing box chuck, a bearing riding wheel and a side wheel device, wherein the bearing box is fixedly arranged in the center of a main shaft box sliding rail through the bearing box chuck;
the two turning and milling systems are symmetrically arranged on the slide rail of the slide carriage at two sides and are positioned at the inner side of the workpiece clamping system; each turning and milling system comprises a milling cutter device, a milling cutter driver, a first slide carriage driving lead screw device, a second slide carriage and a second slide carriage driving lead screw device; wherein first carriage slide slidable mounting is on the carriage slide rail, first carriage slide screw device is installed between first carriage slide and carriage slide rail, be used for the motion of first carriage slide along the carriage slide rail of drive control, second carriage slide lower surface and first carriage slide upper surface are provided with the perpendicular slide rail of mutually supporting pair, the vice relative headstock slide rail of perpendicular slide rail is perpendicular, the second carriage slide is through the vice slidable mounting of perpendicular slide rail on first carriage slide, second carriage slide drive screw device is installed between first carriage slide and second carriage slide, be used for the motion of the vice relative first carriage slide of perpendicular slide rail of drive control second carriage slide, milling cutter device installs on the second carriage slide, the milling cutter driver is installed in milling cutter device top and is connected with milling cutter device transmission.
2. The bilaterally symmetric turning and milling machining center of claim 1, wherein the workpiece clamping system further comprises a tool setting height adjustment device, the tool setting height adjustment device is installed between the headstock positioning chuck and the power headstock and the follow-up headstock, or the tool setting height adjustment device is installed between the first clamp and the second clamp and the power headstock and the follow-up headstock, and the tool setting height adjustment device is used for adjusting the distance between the workpiece and the lathe bed.
3. The bilaterally symmetric turning and milling center of claim 1, wherein the turning and milling system further comprises a tool setting height adjusting device, the tool setting height adjusting device is installed between the first carriage and the carriage rail, or the tool setting height adjusting device is installed between the second carriage and the first carriage, or the tool setting height adjusting device is installed between the second carriage and the rotary tool rest, and the tool setting height adjusting device is used for adjusting the distance between the rotary tool rest and the machine tool body.
4. The bilaterally symmetric turning and milling center according to claim 1, wherein the first holder and the second holder are cone-top clamps, wherein the cone-top working surface of the first holder is provided with anti-slip grooves.
5. The bilaterally symmetrical turning and milling machining center according to claim 1, wherein the power spindle screw device and the follow-up spindle screw device share a transmission shaft, and driving directions are mirror-synchronized.
6. The bilaterally symmetrical turning and milling machining center according to claim 1, wherein the center frame further comprises a heightening sliding groove, the heightening sliding groove is formed in the bearing box, and the bearing riding wheel and the side wheel device are connected with the bearing box through the heightening sliding groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210909670.XA CN115213690B (en) | 2022-07-29 | 2022-07-29 | Bilateral symmetry turning and milling machining center |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210909670.XA CN115213690B (en) | 2022-07-29 | 2022-07-29 | Bilateral symmetry turning and milling machining center |
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| CN115213690A true CN115213690A (en) | 2022-10-21 |
| CN115213690B CN115213690B (en) | 2023-08-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441929A (en) * | 2023-04-13 | 2023-07-18 | 特迈菱自动化设备(杭州)有限公司 | Double-head screwdriver head turning and milling integrated machine |
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| EP2762254A1 (en) * | 2013-02-01 | 2014-08-06 | Gildemeister Drehmaschinen GmbH | Crankshaft turning and milling machine and tool turret for same |
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| CN116441929A (en) * | 2023-04-13 | 2023-07-18 | 特迈菱自动化设备(杭州)有限公司 | Double-head screwdriver head turning and milling integrated machine |
| CN116441929B (en) * | 2023-04-13 | 2023-09-05 | 特迈菱自动化设备(杭州)有限公司 | Double-head screwdriver head turning and milling integrated machine |
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| CN115213690B (en) | 2023-08-01 |
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