CN115213690B - Bilateral symmetry turning and milling machining center - Google Patents
Bilateral symmetry turning and milling machining center Download PDFInfo
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- CN115213690B CN115213690B CN202210909670.XA CN202210909670A CN115213690B CN 115213690 B CN115213690 B CN 115213690B CN 202210909670 A CN202210909670 A CN 202210909670A CN 115213690 B CN115213690 B CN 115213690B
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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
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Abstract
The invention relates to the technical field of machining equipment, in particular to a bilateral symmetry turning and milling machining center, which comprises a frame, a workpiece clamping system and a turning and milling machining system; synchronous milling and removing operation of the bulges and burrs on the outer sides of friction welding seams at two ends of a drill rod is realized on one piece of equipment, the lifting and reversing of workpieces are not needed, the safety and the production efficiency of the process are greatly improved, and meanwhile, the problem of unstable simple turning effect of the material hardness of the welding seam area is also solved by adopting the process design of turning by using a milling cutter.
Description
Technical field:
the invention relates to the technical field of machining equipment, in particular to a bilateral symmetry turning and milling machining center.
The background technology is as follows:
at present, when a drill rod is processed, a common processing scheme is to weld male and female drill rod joints at two ends of a pipe fitting structural main body in a friction welding mode, cut welding burrs and heat treat the welding burrs to form a product.
In the process of the processing technology, after friction welding operation, welding lines and burrs raised on the inner side of a pipe are usually cut off in a red hot state of welding lines after welding is finished by friction welding equipment, welding lines and burrs raised on the outer side of the pipe are cut off by a lathe after the welding lines are cooled, the same turning operation is required to be carried out on two ends of a long rod workpiece in the turning process, when the conventional lathe operation is used, the workpiece is required to be hoisted and reversed at a lathe station, or two lathes are used for respectively processing the two ends of the long rod workpiece, the hoisting relation operation risk of the former pair is high, the equipment occupation cost of the latter is high, and the reduction of the processing man-hour and the improvement of the production efficiency and the production safety management are both unfavorable. Meanwhile, according to actual processing experience, the simple turning processing has unstable processing and forming effects due to higher hardness of the material at the welding seam, and has contradiction with the process procedures of subsequent heat treatment and product surface treatment.
The invention comprises the following steps:
in view of this, it is necessary to design a symmetrical turning center, which integrates the turning operations of machining the two ends of the drill rod class and the process steps on the same equipment and simultaneously implements the turning operations, and improves the machining process scheme, and improves the related production efficiency and product quality.
The two-side symmetrical turning and milling center comprises a frame, a workpiece clamping system and a turning and milling system.
The machine frame consists of a machine body and machine legs, the machine body is fixed through the machine legs, the machine body is an inclined machine body, a spindle box sliding rail is arranged at the lower part of a working surface of the machine body, the axis of the spindle box sliding rail is horizontal, and slide carriage sliding rails which are bilaterally symmetrical are arranged at the upper part of the working surface of the machine body and are parallel to the spindle box sliding rail.
The workpiece clamping system consists of a power spindle device, a follow-up spindle device and a center frame.
The power spindle device comprises a power spindle box, a power spindle screw device, a spindle box positioning chuck, a first clamp holder, a clamp holder driving belt and a clamp holder driving motor, wherein the spindle box positioning chuck is arranged at one end of a spindle box sliding rail, is in sliding fit with the spindle box sliding rail and is provided with a hydraulic clamp, the hydraulic clamp is used for hydraulically clamping the spindle box sliding rail to realize fixed connection between the spindle box sliding rail and the spindle box sliding rail, the power spindle box is arranged on the spindle box positioning chuck, the first clamp holder is rotatably arranged on the power spindle box through a bearing, the clamp holder driving motor is arranged in the power spindle box and is in transmission connection with the first clamp holder through the clamp holder driving belt, and the power spindle screw device is arranged between the spindle box sliding rail and the spindle box positioning chuck and is used for driving the power spindle device to move along the spindle box sliding rail.
The follow-up spindle device comprises a follow-up spindle box, a follow-up spindle box screw device, a spindle box positioning chuck and a second clamp holder, wherein the spindle box positioning chuck is arranged at the other end of a spindle box sliding rail, is in sliding fit with the spindle box sliding rail and is provided with a hydraulic clamp, the hydraulic clamp is used for hydraulically clamping the spindle box sliding rail to realize fixed connection between the two, the follow-up spindle box is arranged on the spindle box positioning chuck, the second clamp holder is rotatably arranged on the follow-up spindle box through a bearing, and the follow-up spindle screw device is arranged between the spindle box sliding rail and the spindle box positioning chuck and is used for driving the follow-up spindle device to move along the spindle box sliding 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 defined.
The center frame comprises a bearing box, a bearing box chuck, a bearing supporting 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 supporting wheel is arranged on the upper part of the bearing box and in contact with the lower surface of a workpiece, the bearing supporting wheel is used for lifting the middle part of the workpiece to prevent the middle part of the workpiece from bending, 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 in contact with the side surface of the workpiece and used for limiting the side direction of the middle part of the workpiece.
The two turning and milling processing systems are symmetrically arranged on slide rails of the slide carriage and 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 device, a second slide carriage and a second slide carriage driving screw device; the first slide carriage is slidably mounted on the slide carriage slide rail, the first slide carriage screw device is mounted between the first slide carriage and the slide carriage slide rail and used for driving and controlling the first slide carriage to move along the slide carriage slide rail, the lower surface of the second slide carriage is provided with a vertical slide rail pair matched with the upper surface of the first slide carriage, the vertical slide rail pair is vertical to the main shaft box slide rail, the second slide carriage is slidably mounted on the first slide carriage through the vertical slide rail pair, the second slide carriage driving screw device is mounted between the first slide carriage and the second slide carriage and used for driving and controlling the second slide carriage to move along the vertical slide rail pair relative to the first slide carriage, the milling cutter device is mounted on the second slide carriage, and the milling cutter driver is mounted above the milling cutter device and is in transmission connection with the milling cutter device.
During working, a workpiece is lifted between the power spindle device and the follow-up spindle device by using tools such as a crane and a forklift, 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 holder and the second clamp holder, the workpiece is clamped and leveled by using the first clamp holder and the second clamp holder, the workpiece is fixed in place, and the center frame is installed in place to realize supporting and limiting of the middle part of the workpiece. During processing, the clamp holder driving motor is started, the workpiece is driven to rotate through the clamp holder 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 by the rotating working part of the milling cutter device. In the machining process, the turning removal of the raised material and burrs on the outer side of the welding seam can be finished 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 holder, so that the problem that the simple turning effect of the material with larger hardness in the area is unstable is solved.
In the structure, the first slide carriage drives the screw rod device to control the first slide carriage to move relative to the slide rail of the slide carriage to provide the x-axis positioning parameter of the cutter, the second slide carriage drives the screw rod device to control the second slide carriage to move relative to the vertical slide rail pair to provide the y-axis positioning parameter of the cutter, and under normal conditions, the shaft centers of the clamp holder bearings in the power spindle device and the follow-up spindle device are positioned on the y-axis movement route of the milling cutter device through equipment size design, so that the z-axis positioning parameter of the milling cutter device can be ignored to finish normal turning and milling processing. However, in engineering practice, the zero setting requirement exists for the Z-axis positioning parameter of the cutter in the machining process in consideration of the influence of the installation and manufacturing precision of equipment;
preferably, the workpiece clamping system further comprises a tool setting and height adjusting device, the tool setting and height adjusting device is arranged between the main shaft box positioning chuck and the power main shaft box as well as the follow-up main shaft box, or the tool setting and height adjusting device is arranged between the first clamp holder, the second clamp holder, the power spindle box and the follow-up spindle box, and is used for adjusting the distance between the workpiece and the lathe bed, and the distance is the z-axis positioning parameter. Or, the turning and milling system further comprises a tool setting and height adjusting device, wherein the tool setting and height adjusting device is arranged between the first slide carriage and the slide carriage sliding rail, or the tool setting and height adjusting device is arranged between the second slide carriage and the first slide carriage, or the tool setting and height adjusting device is arranged between the second slide carriage and the milling cutter device, and 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 a transmission shaft, and the driving directions are mirror-image synchronous, 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 height-adjusting chute, the height-adjusting chute is arranged on the bearing box, the bearing riding wheel and the side wheel device are connected with the bearing box through the height-adjusting chute, and the height-adjusting chute is used for adjusting the heights of the bearing riding wheel and the side wheel and adapting to workpiece requirements of different diameter sizes. When the tool setting and height adjusting device is arranged in the workpiece clamping system, the Z-axis positioning parameters of the workpiece can be changed by the tool setting and height adjusting device, so that the height adjusting chute is additionally provided with a chute adapting to the change of the Z-axis positioning parameters when the height adjusting chute is arranged in the scheme.
The invention provides a bilateral symmetry turning center, which realizes synchronous milling and removing operation of the bulges and burrs on the outer sides of friction welding seams at two ends of a drill rod on one piece of equipment, does not need to carry out hoisting and reversing of workpieces, greatly improves the safety and the production efficiency of the technical process, and simultaneously solves the problem that the material hardness of the welding seam area is relatively high and the simple turning effect is unstable by adopting the technical design of turning by using a milling cutter.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a specific embodiment of a symmetrical turning and milling center;
FIG. 2 is a schematic diagram of a front view of an embodiment of a symmetrical turning center;
FIG. 3 is a schematic diagram of a partial structure of a power spindle device of a specific embodiment of a bilateral symmetry turning center;
fig. 4 is a schematic diagram of a center frame structure of an embodiment of a symmetrical turning and milling center.
In the figure, a frame 1, a bed 101, a headstock slide 1011, a slide 1012, a bed leg 102, a power spindle device 2, a power spindle device 3, a power spindle box 201, a power spindle box 301, a power spindle screw device 202, a power spindle screw device 302, a headstock positioning chuck 203, a first gripper 204, an anti-skid groove 2041, a second gripper 304, a gripper belt 205, a gripper driving motor 206, a turning and milling system 4, a milling device 401, a milling driver 402, a first slide 403, a first slide driving screw device 404, a second slide 405, a second slide driving screw device 406, a vertical slide pair 407, a center frame 5, a carriage 501, a height adjusting slide 5011, a carriage chuck 502, a carriage idler 503, a side wheel device 504, a hinge 5041, and a side wheel 5042 are illustrated.
The specific embodiment is as follows:
a double-end turning center comprises a frame 1, a workpiece clamping system and a turning and milling system 4.
The machine frame 1 consists of a machine body 101 and bed legs 102, wherein the machine body 101 is installed and fixed through the bed legs 102, the machine body 101 is an inclined machine body 101, a spindle box sliding rail 1011 is arranged at the lower part of the working surface of the machine body 101, the axis of the spindle box sliding rail 1011 is horizontal, and slide carriage sliding rails 1012 which are bilaterally symmetrical are arranged at the upper part of the working surface of the machine body 101, and the slide carriage sliding rails 1012 are parallel to the spindle box sliding rail 1011.
The workpiece clamping system consists of a power spindle device 2, a follow-up spindle device 3 and a center/5.
The power spindle device 2 comprises a power spindle box 201, a power spindle screw device 202, a spindle box positioning chuck 203, a first clamp 204, a clamp driving belt 205 and a clamp driving motor 206, wherein the spindle box positioning chuck 203 is installed at one end of a spindle box sliding rail 1011, is in sliding fit with the spindle box sliding rail 1011 and is provided with a hydraulic clamp which is used for clamping the spindle box sliding rail 1011 in a hydraulic action to realize fixed connection between the spindle box sliding rail 1011 and the spindle box sliding rail, the power spindle box 201 is installed on the spindle box positioning chuck 203, the first clamp 204 is rotatably installed on the power spindle box 201 through a bearing, the clamp driving motor 206 is installed on the power spindle box 201 and is in transmission connection with the first clamp 204 through the clamp driving belt 205, and the power spindle screw device 202 is installed between the spindle box sliding rail 1011 and the spindle box positioning chuck 203 and is used for driving the power spindle device 2 to move along the spindle box sliding rail 1011.
The follow-up spindle device 3 comprises a follow-up spindle box 301, a follow-up spindle box 301 screw device, a spindle box positioning chuck 203 and a second clamp 304, wherein the spindle box positioning chuck 203 is arranged at the other end of a spindle box sliding rail 1011, is in sliding fit with the spindle box sliding rail 1011 and is provided with a hydraulic clamp, the hydraulic clamp is used for hydraulically clamping the spindle box sliding rail 1011 to realize fixed connection between the two, the follow-up spindle box 301 is arranged on the spindle box positioning chuck 203, the second clamp 304 is rotatably arranged on the follow-up spindle box 301 through a bearing, and the follow-up spindle screw device 302 is arranged between the spindle box sliding 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 sliding rail 1011.
In the above-described structure, the workpiece is held between the power spindle device 2 and the follower spindle device 3 by the first holder 204 and the second holder 304 and the axis is defined.
The center frame 5 comprises a bearing box 501, a bearing box chuck 502, a bearing riding wheel 503 and a side wheel device 504, wherein the bearing box 501 is fixedly arranged at the center of a main shaft box sliding rail 1011 through the bearing box chuck 502, a height-adjusting sliding chute 5011 is arranged on the bearing box 501, the bearing riding wheel 503 and the side wheel device 504 are connected with the bearing box 501 through the height-adjusting sliding chute 5011, the bearing riding wheel 503 is contacted with the lower surface of a workpiece, the bearing riding wheel 503 is used for lifting the middle part of the workpiece to prevent the workpiece from bending, the side wheel device 504 comprises a hinge rod 5041 which is hinged with the side wheel 5042 which is arranged at the top of the hinge rod 5041, the side wheel 5042 is contacted with the side surface of the workpiece and is used for laterally limiting the middle part of the workpiece, and in the embodiment, the side wheel device 504 is provided with two and is respectively contacted and limited with two sides of the workpiece.
The two turning and milling systems 4 are symmetrically arranged on slide rails 1012 of the slide carriage and positioned on the inner side of the workpiece clamping system; each turning and milling system 4 comprises a milling cutter device 401, a milling cutter driver 402, a first slide 403, a first slide drive screw device 404, a second slide 405 and a second slide drive screw device 406; the first slide carriage 403 is slidably mounted on the slide carriage slide rail 1012, the first slide carriage 403 screw device is mounted between the first slide carriage 403 and the slide carriage slide rail 1012 and used for driving and controlling the first slide carriage 403 to move along the slide carriage slide rail 1012, a vertical slide rail pair 407 matched with each other is arranged on the lower surface of the second slide carriage 405 and the upper surface of the first slide carriage 403, the vertical slide rail pair 407 is vertical to the spindle box slide rail 1011, the second slide carriage 405 is slidably mounted on the first slide carriage 403 through the vertical slide rail pair 407, the second slide carriage driving screw device 406 is mounted between the first slide carriage 403 and the second slide carriage 405 and used for driving and controlling the second slide carriage 405 to move along the vertical slide rail pair 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 operation, a workpiece is lifted between the power spindle device 2 and the follow-up spindle device 3 by using tools such as a crane, a forklift and the like, the power spindle screw device 202 and the follow-up spindle 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 and leveled by using the first clamp 204 and the second clamp 304, the workpiece is fixed in place, and the center frame 5 is installed in place, so that the support limit of the middle part of the workpiece is realized. 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 two ends of the workpiece are synchronously turned and milled by the rotating working part of the milling cutter device 401. In the machining process, the turning removal of the raised material and burrs on the outer side of the weld joint can be finished 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, so that the problem that the simple turning effect of the material with larger hardness in the region is unstable is solved.
In the above structure, the first carriage driving screw device 404 controls the first carriage 403 to move relative to the carriage slide 1012 to provide the x-axis positioning parameter of the tool, the second carriage driving screw device 406 controls the second carriage 405 to move relative to the vertical slide pair 407 to provide the y-axis positioning parameter of the tool, and in general, the device is designed to make the axis of the holder bearing in the power spindle device 2 be on the y-axis movement path of the milling device, i.e. the z-axis positioning parameter of the milling device 401 can be ignored to complete normal turning and milling. However, in engineering practice, in consideration of the influence of the installation and manufacturing precision of equipment, the zero setting requirement exists on the z-axis positioning parameter of the tool in the machining process, the workpiece clamping system further comprises a tool setting and height adjusting device, the tool setting and height adjusting device is installed between the headstock positioning chuck 203 and the power headstock 201, the follow-up headstock 301, or the tool setting and height adjusting device is installed between the first clamp 204, the second clamp and the power headstock 201, and the follow-up headstock 301, the tool setting and height adjusting device is used for adjusting the distance between the workpiece and the lathe bed 101, the distance is the z-axis positioning parameter, or the end turning system 4 further comprises a tool setting and height adjusting device, the tool setting and height adjusting device is installed between the first slide 403 and the slide rail 1012, or the tool setting and height adjusting device is installed between the second slide 405 and the first slide 403, or the tool setting and height adjusting device is installed between the second slide 405 and the milling cutter device 401, and the distance between the tool setting and the lathe bed 101 is the z-axis positioning parameter.
The first gripper 204 and the second gripper 304 are conical top grippers, wherein the conical top working surface of the first gripper 204 is provided with an anti-slip groove 2041.
The power spindle screw device 202 and the follow-up spindle screw device 302 share a transmission shaft, and the driving directions are mirror images synchronous, so that the operation of workpiece loading and unloading is simplified, and the positioning accuracy of two ends in the workpiece mounting process is improved.
Claims (6)
1. The two-side symmetrical turning and milling machining center is characterized by comprising a frame, a workpiece clamping system and a turning and milling machining system;
the machine frame consists of a machine body and machine legs, the machine body is fixed through the machine legs, the machine body is an inclined machine body, a spindle box sliding rail is arranged at the lower part of a working surface of the machine body, the axis of the spindle box sliding rail is horizontal, and slide carriage sliding rails which are bilaterally symmetrical are arranged at the upper part of the working surface of the machine body and are parallel to the spindle box sliding rail;
the workpiece clamping system consists of a power spindle device, a follow-up spindle device and a center frame;
the power spindle device comprises a power spindle box, a power spindle screw device, a spindle box positioning chuck, a first clamp holder, a clamp holder driving belt and a clamp holder driving motor, wherein the spindle box positioning chuck is arranged at one end of a spindle box sliding rail, is in sliding fit with the spindle box sliding rail and is provided with a hydraulic clamp, the hydraulic clamp is used for hydraulically clamping the spindle box sliding rail to realize fixed connection between the spindle box sliding rail and the spindle box sliding rail, the power spindle box is arranged on the spindle box positioning chuck, the first clamp holder is rotatably arranged on the power spindle box through a bearing, the clamp holder driving motor is arranged in the power spindle box and is in transmission connection with the first clamp holder through the clamp holder driving belt, and the power spindle screw device is arranged between the spindle box sliding rail and the spindle box positioning chuck and is used for driving the power spindle device to move along the spindle box sliding rail;
the servo spindle device comprises a servo spindle box, a servo spindle box screw device, a spindle box positioning chuck and a second clamp holder, wherein the spindle box positioning chuck is arranged at the other end of a spindle box sliding rail, is in sliding fit with the spindle box sliding rail, is provided with a hydraulic clamp, is used for clamping the spindle box sliding rail in a hydraulic action manner to realize fixed connection between the two, the servo spindle box is arranged on the spindle box positioning chuck, the second clamp holder is rotatably arranged on the servo spindle box through a bearing, and the servo spindle screw device is arranged between the spindle box sliding rail and the spindle box positioning chuck and is used for driving the servo spindle device to move along the spindle box sliding rail;
in the structure, the workpiece is clamped between the power main shaft device and the follow-up main shaft device by the first clamp holder and the second clamp holder, and the axis is determined;
the center frame consists of a bearing box, a bearing box chuck, a bearing supporting 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 bearing supporting wheel is arranged at the upper part of the bearing box and is contacted with the lower surface of a workpiece, the bearing supporting wheel is used for lifting the middle part of the workpiece to prevent the middle part of the workpiece from bending, the side wheel device consists of 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 laterally limiting the middle part of the workpiece;
the two turning and milling processing systems are symmetrically arranged on slide rails of the slide carriage and 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 screw device, a second slide carriage and a second slide carriage driving screw device; the first slide carriage is slidably mounted on the slide carriage slide rail, the first slide carriage screw device is mounted between the first slide carriage and the slide carriage slide rail and used for driving and controlling the first slide carriage to move along the slide carriage slide rail, the lower surface of the second slide carriage is provided with a vertical slide rail pair matched with the upper surface of the first slide carriage, the vertical slide rail pair is vertical to the main shaft box slide rail, the second slide carriage is slidably mounted on the first slide carriage through the vertical slide rail pair, the second slide carriage driving screw device is mounted between the first slide carriage and the second slide carriage and used for driving and controlling the second slide carriage to move along the vertical slide rail pair relative to the first slide carriage, the milling cutter device is mounted on the second slide carriage, and the milling cutter driver is mounted above the milling cutter device and is in transmission connection with the milling cutter device.
2. The two-sided symmetrical turning and milling machining center according to claim 1, wherein the workpiece clamping system further comprises a tool setting and height adjusting device, the tool setting and height adjusting device is installed between the headstock positioning chuck and the power headstock, the follow-up headstock, or the tool setting and height adjusting device is installed between the first clamp, the second clamp and the power headstock, the follow-up headstock, and the tool setting and height adjusting device is used for adjusting the distance between the workpiece and the lathe bed.
3. The symmetrical turning center of claim 1, wherein the turning system further comprises a tool setting and height adjusting device, the tool setting and height adjusting device is mounted between the first slide and the slide rail, or the tool setting and height adjusting device is mounted between the second slide and the first slide, or the tool setting and height adjusting device is mounted between the second slide and the rotary tool rest, and the tool setting and height adjusting device is used for adjusting the distance between the rotary tool rest and the lathe bed.
4. The two-sided symmetrical turning center of claim 1, wherein the first and second holders are cone top clamps, wherein the cone top working surface of the first holder is provided with an anti-skid groove.
5. The bilateral symmetry turning center of claim 1, wherein the power spindle screw device and the follower spindle screw device share a single drive shaft and the drive directions are mirror-synchronized.
6. The symmetrical turning center of claim 1, wherein the center frame further comprises a height-adjusting chute, the height-adjusting chute is disposed on the carrying case, and the carrying idler and the side-wheel device are mounted in connection with the carrying case through the height-adjusting chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210909670.XA CN115213690B (en) | 2022-07-29 | 2022-07-29 | Bilateral symmetry turning and milling machining center |
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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 |
| CN204686448U (en) * | 2015-01-16 | 2015-10-07 | 南京建克机械有限公司 | Walk core type turn-milling machine tool |
| CN108555602A (en) * | 2018-06-04 | 2018-09-21 | 津上精密机床（浙江）有限公司 | A kind of high-power complex milling machine tool |
| CN111390650A (en) * | 2020-04-08 | 2020-07-10 | 宁波品上精密机床有限公司 | Inclined rail type double-spindle turning and milling combined machining center |
| CN211661161U (en) * | 2020-01-14 | 2020-10-13 | 龙口市亨嘉智能装备有限公司 | Multifunctional milling numerical control machine tool with printing function |
| CN112676845A (en) * | 2021-03-19 | 2021-04-20 | 沈阳机床股份有限公司 | Turning and milling combined machining center |
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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 |
| CN204686448U (en) * | 2015-01-16 | 2015-10-07 | 南京建克机械有限公司 | Walk core type turn-milling machine tool |
| CN108555602A (en) * | 2018-06-04 | 2018-09-21 | 津上精密机床（浙江）有限公司 | A kind of high-power complex milling machine tool |
| CN211661161U (en) * | 2020-01-14 | 2020-10-13 | 龙口市亨嘉智能装备有限公司 | Multifunctional milling numerical control machine tool with printing function |
| CN111390650A (en) * | 2020-04-08 | 2020-07-10 | 宁波品上精密机床有限公司 | Inclined rail type double-spindle turning and milling combined machining center |
| CN112676845A (en) * | 2021-03-19 | 2021-04-20 | 沈阳机床股份有限公司 | Turning and milling combined machining center |
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