CN115284025A - Milling and turning combined exchange workbench and working system - Google Patents
Milling and turning combined exchange workbench and working system Download PDFInfo
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- CN115284025A CN115284025A CN202210985584.7A CN202210985584A CN115284025A CN 115284025 A CN115284025 A CN 115284025A CN 202210985584 A CN202210985584 A CN 202210985584A CN 115284025 A CN115284025 A CN 115284025A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/64—Movable or adjustable work or tool supports characterised by the purpose of the movement
- B23Q1/66—Worktables interchangeably movable into operating positions
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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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
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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
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/013—Control or regulation of feed movement
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
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Abstract
The invention discloses a milling and turning composite exchange workbench and a working system, and relates to the field of milling and turning processing, wherein the milling and turning composite exchange workbench comprises two workbench surfaces, a workbench supporting seat, a workbench base, a workbench supporting frame, a rotating arm and a lifting device, the bottom of each workbench surface is provided with a positioning conical cap and a blind rivet, and the top of the workbench supporting seat is provided with a positioning conical seat for positioning and fixing the positioning conical cap and the blind rivet; a sliding device is arranged on the outer side of the workbench base; a sliding rail matched with the sliding device is arranged on the workbench supporting frame, and the lifting device is arranged at one end of the sliding rail; the swinging boom is installed in elevating gear's top, and the swinging boom includes servo motor, drive mechanism, a centre of rotation and two latch mechanisms, and servo motor is used for driving the swinging boom through drive mechanism and rotates around the centre of rotation, and the both sides of swinging boom are located respectively to two latch mechanisms, and centre of rotation is fixed with elevating gear. The invention can shorten the downtime of the processing center and improve the processing efficiency.
Description
Technical Field
The invention relates to the field of milling and turning, in particular to a milling and turning combined exchange workbench and a working system.
Background
The high-end equipment manufacturing industry refers to the high-end field of the equipment manufacturing industry, and the high-end is mainly expressed in three aspects: firstly, the technology content is high, the knowledge and technology are intensive, and the inheritance of multidisciplinary and multi-field high-precision technology is reflected; secondly, the method is at the high end of a value chain and has the characteristic of high added value; third, the development level of the industry chain, which occupies the core area, determines the overall competitiveness of the industry chain.
The combined machining is always the development direction of machining, the workbench is an indispensable functional part of a machining center, various working procedures are machined through one-time clamping, machining precision and machining efficiency are improved, and the combined machining has the advantages of being high in technical content and intensive in knowledge and technology.
In the composite machining, a composite workbench of a milling and turning machine mainly performs milling, can realize the turning function through the high rotating speed characteristic of a built-in torque motor, and is usually configured in a machining center.
The existing milling and turning composite workbench has the defects of low processing efficiency, low intelligent degree and easy occurrence of accidents.
Disclosure of Invention
The invention aims to overcome the defects of low processing efficiency, low intelligent degree and easy occurrence of accidents of the traditional milling and turning composite workbench in the prior art, and provides a milling and turning composite exchange workbench and a working system which can shorten the downtime of a processing center and improve the processing efficiency.
The invention solves the technical problems through the following technical scheme:
a milling and turning combined exchange workbench comprises two workbench surfaces, a workbench supporting seat, a workbench base, a workbench supporting frame, a rotating arm and a lifting device,
the bottom of each working table surface is provided with a positioning conical cap and a blind rivet, and the top of the working table supporting seat is provided with a positioning conical seat which is used for positioning and fixing the positioning conical cap and the blind rivet;
a connecting piece, a torque motor, a brake mechanism and an encoder are arranged in the workbench base, the torque motor drives the workbench supporting base to rotate through the connecting piece, and a sliding device is arranged on the outer side of the workbench base;
the worktable support frame is provided with a slide rail matched with the sliding device, and the lifting device is arranged at one end of the slide rail;
the rotary arm is arranged at the top of the lifting device and comprises a servo motor, a transmission mechanism, a rotary center and two clamping mechanisms, the servo motor is used for driving the rotary arm to rotate around the rotary center through the transmission mechanism, the two clamping mechanisms are respectively arranged on two sides of the rotary arm, and the rotary center is fixed with the lifting device;
the side surface of each working table surface is provided with a clamping groove matched with the clamping mechanism;
when the lifting device is in a low position state, the clamping mechanism is lower than the clamping groove;
when the workbench base is in an exchange state, the clamping mechanism is aligned with the clamping groove;
when the lifting device is lifted to a high-position state from a low position, the clamping mechanism is clamped in the clamping groove and drives the workbench surface to be separated from the workbench supporting seat.
Preferably, servo motor locates the one end of swinging boom, servo motor locates one side of mounting surface, the axis of gyration center is in the mounting surface, the mounting surface is parallel with the length direction of swinging boom, mill car composite exchange workstation still includes an insulated door, the bottom of insulated door is equipped with a mounting groove, the insulated door install in just through the mounting groove joint on the mounting surface the both ends of swinging boom, the both ends face of swinging boom is equipped with fixedly the installation of insulated door is protruding, one clamping mechanism follows behind the rotatory 180 degrees of axis of gyration center with the coincidence of another clamping mechanism position, drive mechanism locates in the shell of swinging boom.
Preferably, the transmission mechanism includes two belt pulleys, a conveyor belt, a speed reducer and a first gear, a rotor of the servo motor is connected to the first belt pulley, the first belt pulley is connected to the second belt pulley through the conveyor belt, the second belt pulley is connected to an input end of the speed reducer, an output end of the speed reducer is connected to the first gear, the first gear is engaged with the second gear of the rotation center, the rotating arm includes a through hole matching with the rotation center, and an inner wall of the through hole is connected to a side face of the rotation center through a bearing.
The isolating gate includes the first door body, the second door body and dwang, mounting groove on the first door body with the swinging boom is fixed, the below of the second door body is equipped with a holding tank, the holding tank holds the first door body top, elevating gear is by the low level when rising to the high-order state the first door body is in the holding tank internalization, the dwang bottom with the centre of turning circle is fixed and runs through the first door body and the second door body, servo motor drives the swinging boom winds when the centre of turning circle is rotatory, the swinging boom drives the isolating gate winds the dwang rotates.
Preferably, the sliding device comprises a guide rail sliding block and a ball nut, the guide rail sliding block and the ball nut are arranged at the bottom of the workbench base, and the workbench base moves on the sliding rail by using the guide rail sliding block and the ball nut.
Preferably, the outside in joint groove is equipped with two connecting blocks, connecting block protrusion in the lateral wall in joint groove, latch mechanism includes joint spare and recess, the recess is located the both sides of joint spare, latch mechanism with during the joint of joint groove, the embedding of joint spare the joint inslot, the connecting block embedding in the recess.
Preferably, the top edge of the workbench supporting seat is provided with a plurality of balance blocks, and the balance blocks are used for adjusting the dynamic balance of the workbench supporting seat and the workbench surface when rotating together.
Preferably, the lifting device comprises a hydraulic cylinder and a lifting body, the lifting body is arranged at the top of the hydraulic cylinder, and the hydraulic cylinder is fixed with one end of the slide rail.
Preferably, the connecting piece comprises a rotating shaft fixed with the workbench supporting seat, a brake pad is fixed on the outer surface of the rotating shaft, the brake mechanism is a self-locking brake mechanism, the self-locking brake mechanism comprises a circular brake gland, a brake cylinder body and a brake piston,
the outer end face of the brake cylinder body is fixed with the brake gland, the inner end face of the brake cylinder body is used for being fixed with the workbench base, a fixing piece is clamped between the brake cylinder body and the brake gland, a gap for accommodating a brake pad is formed in one side of the fixing piece, the other side of the fixing piece is provided with the brake cylinder body and a brake piston arranged in the brake cylinder body, and the inner surface of the brake cylinder body comprises a cylinder body protrusion;
the brake piston comprises a piston cover, a piston main body and a piston convex edge arranged on the outer surface of the piston main body, the piston cover is fixed at one end of the piston main body, the piston convex edge is arranged at the other end of the piston main body, the outer end surface of the piston convex edge is adjacent to the fixing piece, the inner side of the piston convex edge is provided with a plurality of center guide pins and an elastic piece sleeved on the center guide pins, the outer end surface of the cylinder body bulge is provided with accommodating counter bores with the same number as the center guide pins, and the brake piston is positioned with the brake cylinder body through the center guide pins;
the outer end face of the cylinder body protrusion and the inner end face of the piston convex edge form a first hydraulic cavity, the inner end face of the cylinder body protrusion and the piston cover form a second hydraulic cavity, and a first oil hole connected with the first hydraulic cavity and a second oil hole connected with the second hydraulic cavity are formed in the outer surface of the brake cylinder body;
in a non-hydraulic state, the elastic piece applies outward thrust to the brake piston so that the inner end face of the brake gland, the brake pad, the fixing piece and the piston bulge are mutually extruded along the outer end face;
after the first oil filling hole is filled with oil, the pressure of the first hydraulic cavity exerts outward thrust on the brake piston;
after the second oil injection hole is filled with oil, the pressure of the second hydraulic cavity exerts inward thrust on the brake piston so that the inner end face of the brake gland, the brake pad and the fixing piece are separated from each other.
Preferably, the isolating door is provided with a laser radar, the scanning direction of the laser radar is crossed with the axis of the workbench supporting seat when the workbench base is in an exchange state,
when the lifting device is in a low position state, the laser radar is higher than the working table surface, and scans a workpiece to obtain workpiece point cloud data when the working table surface rotates, wherein the laser radar is used for transmitting the workpiece point cloud data to a processing terminal; the processing terminal is used for generating model data of the workpiece according to the workpiece point cloud data, placing the model data and a design model of the workpiece in a superposition mode according to feature points on the model data, judging whether the difference between the model data and the design model after superposition is larger than a preset value or not, and if the difference is larger than the preset value, prompting the difference on an output module;
the laser radar is also used for scanning the working table to obtain table point cloud data; the processing terminal is used for acquiring the position of the working table according to the table-board point cloud data and controlling the lifting of the lifting device according to the position of the working table;
the laser radar is also used for scanning materials on the working table top when the working table top rotates to obtain material point cloud data; the processing terminal is used for judging whether the gravity center of the material point cloud data is located on the center line of the table top point cloud data or not according to the material point cloud data and the table top point cloud data, and if yes, the milling machine composite exchange workbench is controlled to process the material.
Preferably, the lidar comprises a transmitter, two receivers and a reflecting plate, the transmitter and the first receiver are arranged above the worktable supporting seat, the transmitting direction of the transmitter and the receiving direction of the first receiver are on a vertical line perpendicular to the horizontal plane, the laser transmitted by the transmitter is reflected by the reflecting plate and then received by the second receiver along the horizontal plane where the worktable is located,
the emitter and the first receiver are used for acquiring workpiece point cloud data and sending the workpiece point cloud data to the processing terminal;
the processing terminal acquires a three-dimensional workpiece model by using the workpiece point cloud data, and acquires the workpiece processing precision according to the three-dimensional workpiece model and the workpiece design model;
the transmitter and the second receiver are used for acquiring the point cloud data of the working table when the working table rotates and sending the point cloud data of the working table to the processing terminal;
the processing terminal is also used for acquiring a three-dimensional model of the working table at least two moments according to the point cloud data of the working table;
and the processing terminal is also used for acquiring the dynamic balance mass when the platform supporting seat and the working platform rotate together according to the contact ratio of all the three-dimensional models of the working platform.
The application also provides a working system, the working system comprises the milling and turning combined exchange workbench.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the milling and turning combined exchange workbench and the working system can shorten the downtime of a machining center and improve the machining efficiency, furthermore, the workbench has high intelligent degree, equipment can acquire the part machining condition, the machining quality is improved, meanwhile, the brake device can improve the safety of the equipment during machining, and the self-locking is realized in time when safety problems occur.
Drawings
Fig. 1 is a schematic structural diagram of a milling and turning composite exchange workbench in embodiment 1 of the present invention.
Fig. 2 is another schematic structural diagram of a milling and turning composite exchange workbench in embodiment 1 of the present invention.
Fig. 3 is another schematic structural diagram of a milling and turning compound exchange workbench according to embodiment 1 of the present invention.
Fig. 4 is another schematic structural diagram of a milling and turning compound exchange workbench according to embodiment 1 of the present invention.
Fig. 5 is a schematic structural view of a work table according to embodiment 1 of the present invention.
Fig. 6 is another schematic structural diagram of the workbench according to embodiment 1 of the present invention.
Fig. 7 is a schematic cross-sectional view of a rotary arm according to embodiment 1 of the present invention.
Fig. 8 is a schematic structural view of a rotary arm according to embodiment 1 of the present invention.
Fig. 9 is a schematic structural view of a brake mechanism according to embodiment 1 of the present invention.
Fig. 10 is a schematic structural view of a shield door according to embodiment 1 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1 to 9, the embodiment provides a milling and turning compound exchange working system, which includes a milling and turning compound exchange working table.
The milling and turning combined exchange workbench comprises two workbench surfaces 71, a workbench supporting seat 72, a workbench base 73, a workbench supporting frame 74, a rotating arm 75 and a lifting device 76.
The bottom of each working table 71 is provided with a positioning conical cap 711 and a blind rivet 712, and the top of the working table support seat 72 is provided with a positioning conical seat 721 for positioning and fixing with the positioning conical cap and the blind rivet.
Be equipped with connecting piece, torque motor, brake mechanism and encoder in workstation base 73, torque motor passes through the connecting piece drives the workstation supporting seat rotates, the workstation base 73 outside is equipped with slider.
And a sliding rail 741 matched with the sliding device is arranged on the workbench supporting frame 74, and the lifting device is arranged at one end of the sliding rail.
The rotating arm 75 is installed on the top of the lifting device 76, and the rotating arm includes a servo motor 751, a transmission mechanism, a rotation center 752, and two clamping mechanisms 753.
The servo motor is used for driving the rotating arm 75 to rotate around the rotating center 752 through the transmission mechanism, the two clamping mechanisms are respectively arranged on two sides of the rotating arm, and the rotating center is fixed with the lifting device 76.
The side surface of each working table surface 71 is provided with a clamping groove 713 matched with the clamping mechanism;
when the lifting device is in a low position state, the clamping mechanism is lower than the clamping groove;
when the workbench base is in an exchange state, the clamping mechanism is aligned with the clamping groove in the vertical direction;
when the lifting device is lifted to a high-position state from a low position, the clamping mechanism is clamped in the clamping groove and drives the workbench surface to be separated from the workbench supporting seat.
The working flow of this embodiment is:
the material is fixed on the working table, and the working table supporting seat are fixed through the positioning conical cap, the blind rivet and the positioning conical seat.
The workstation base drives the workstation supporting seat and follows the slide rail gets into the processing region, table surface with the rotatory processing of workstation supporting seat installs the material on another table surface on the swinging boom this moment.
After the working table surface in the machining area is machined, the working table base drives the working table supporting seat to move along the sliding rail to be close to the lifting device.
At the moment, the rotating arm of the lifting device is lower than the processed workbench surface, and after the workbench surface is in place, the lifting device is lifted and separates the workbench surface from the workbench supporting seat through the matching of the clamping groove and the clamping mechanism.
And after separation, the rotating arm rotates to align the working table surface filled with the materials to the positioning conical seat on the working table supporting seat.
After the lifting device descends, the worktable surface is installed to the worktable supporting seat, and meanwhile, the clamping groove is separated from the clamping mechanism.
Referring to fig. 6, the servo motor is arranged at one end of the rotating arm, the servo motor is arranged at one side of the installation plane 754, the axis of the rotating center is arranged in the installation plane, the installation plane is parallel to the length direction of the rotating arm, the milling machine composite exchange workbench further comprises an isolation door, a mounting groove is formed in the bottom of the isolation door, the isolation door is installed on the installation plane and clamped at the two ends of the rotating arm through the mounting groove, mounting protrusions 755 for fixing the isolation door are arranged on the two end faces of the rotating arm, one clamping mechanism is overlapped with the position of the other clamping mechanism after rotating 180 degrees along the axis of the rotating center, and the transmission mechanism is arranged in the shell of the rotating arm.
The servo motor protects and prevents water through the sheet metal shield, the sheet metal shield covers and fixes the servo motor on the isolating door, and the bottom of the servo motor is provided with an installation part fixed with the sheet metal shield.
Specifically, the transmission mechanism 77 includes two pulleys 771, a belt 772, a reducer 773 and a first gear 774.
The rotor of the servo motor is connected with a first belt wheel, the first belt wheel is connected with a second belt wheel through a conveying belt, the second belt wheel is connected with the input end of the speed reducer, and the output end of the speed reducer is connected with a first gear.
The first gear is engaged with a second gear 775 of the revolution center, and the rotating arm includes a through hole matched with the revolution center.
The inner wall of the through hole is connected with the side face of the rotation center through a bearing 776.
Referring to fig. 10, the isolation door 81 includes the first door body 812, the second door body 811 and dwang 813, the mounting groove 814 on the first door body with the swinging boom is fixed, the below of the second door body is equipped with an holding tank, the holding tank holds the first door body top, elevating gear is by the low level when rising to the high-order state the first door body is in the holding tank internal motion, the dwang bottom with the centre of rotation is fixed and runs through the first door body and the second door body, servo motor drives the swinging boom winds when the centre of rotation is rotatory, the swinging boom drives the isolation door winds the dwang rotates.
The sliding device comprises a guide rail sliding block 731 and a ball screw 732, the guide rail sliding block and the ball screw are arranged at the bottom of the workbench base, and the workbench base moves on the sliding rail by using the guide rail sliding block and the ball screw.
The outside of joint groove 713 is equipped with two connecting blocks 714, the connecting block protrusion in the lateral wall of joint groove.
The clamping mechanism comprises a clamping piece and a groove, the groove is formed in the two sides of the clamping piece, the clamping mechanism is clamped in the clamping groove, the clamping piece is embedded into the clamping groove, and the connecting block is embedded into the groove.
The top edge of the table support 72 is provided with a plurality of balance blocks 722 for adjusting the dynamic balance of the table support when rotating with the table top.
The lifting device 76 comprises a hydraulic cylinder 761 and a lifting body 762, the lifting body is arranged at the top of the hydraulic cylinder, and the hydraulic cylinder is fixed with one end of the slide rail.
Referring to fig. 9, the connecting piece comprises a rotating shaft fixed with the worktable supporting seat, a brake pad is fixed on the outer surface of the rotating shaft, the brake mechanism is a self-locking brake mechanism, the self-locking brake mechanism comprises a circular brake gland, a brake cylinder body and a brake piston,
the self-locking brake mechanism comprises a circular brake gland 11, a brake cylinder body 21 and a brake piston 31.
The outer end surface 211 of the brake cylinder body 21 is fixed with the brake gland 11, and the inner end surface 212 of the brake cylinder body 21 is used for being fixed with the bottom of the workbench base.
A fixing plate 41 is clamped between the brake cylinder body 21 and the brake gland 11, and a gap for accommodating the brake pad 51 is arranged on one side of the fixing plate 41.
The other side of the fixing plate 41 is the brake cylinder 21 and the brake piston 31 arranged in the brake cylinder 21, and the inner surface of the brake cylinder 21 includes a cylinder protrusion 213.
The brake piston 31 includes a piston cover 311, a piston body 312, and a piston flange 313 provided on an outer surface of the piston body.
The piston cover 311 is fixed to one end of the piston body 312, and the piston flange is disposed at the other end of the piston body.
The outer end face 317 of the piston flange 313 is adjacent to the fixing plate 41, and a plurality of center guide pins 314 and an elastic member 315 sleeved on the center guide pins 314 are disposed on the inner side of the piston flange 313.
The outer end face of the cylinder body protrusion 213 is provided with accommodating counter bores 215 with the same number as the central guide pins 314, and the brake piston is positioned with the brake cylinder body through the central guide pins.
The outer end surface of the cylinder protrusion 213 and the inner end surface of the piston flange 313 form a first hydraulic chamber 61, and the inner end surface of the cylinder protrusion 213 and the outer end surface of the piston cover 311 form a second hydraulic chamber 62.
And a first oil hole A connected with the first hydraulic cavity and a second oil hole B connected with the second hydraulic cavity are formed in the outer surface of the brake cylinder body 21.
In the non-hydraulic state, the resilient member applies an outward pushing force to the brake piston to press the inner end surface 111 of the brake cover, the brake pad 51, the retaining plate 41 and the piston flange against each other along the outer end surface 317.
After the first oil filler hole is filled with oil, the pressure of the first hydraulic chamber 61 applies an outward thrust to the brake piston.
After the oil injection from the second oil filling hole, the pressure of the second hydraulic chamber 62 applies an inward pushing force to the brake piston to separate the inner end surface 111 of the brake cover, the brake pad 51, the fixing plate 41 and the outer end surface 317 of the piston flange from each other.
For clarity of description of the structure of the present application, "inner" in the outer and inner end surfaces in the present embodiment refers to a direction of the brake cover to the brake cylinder body, and "outer" in the outer and inner end surfaces refers to a direction of the brake cylinder body to the brake cover.
Furthermore, a laser radar is arranged on the isolating door, the scanning direction of the laser radar is intersected with the axial line of the workbench supporting seat when the workbench base is in an exchange state,
when the lifting device is in a low position state, the laser radar is higher than the working table surface, and scans a workpiece to obtain workpiece point cloud data when the working table surface rotates, wherein the laser radar is used for transmitting the workpiece point cloud data to a processing terminal; the processing terminal is used for generating model data of the workpiece according to the workpiece point cloud data, superposing the model data and a design model of the workpiece according to feature points on the model data, judging whether the difference between the superposed model data and the design model is larger than a preset value or not, and if so, prompting the difference on an output module;
the laser radar is also used for scanning the working table to obtain table point cloud data; the processing terminal is used for acquiring the position of the working table according to the table-board point cloud data and controlling the lifting of the lifting device according to the position of the working table;
the laser radar is also used for scanning materials on the working table top when the working table top rotates to obtain material point cloud data; the processing terminal is used for judging whether the gravity center of the material point cloud data is located on the center line of the table top point cloud data or not according to the material point cloud data and the table top point cloud data, and if yes, the milling machine composite exchange workbench is controlled to process the material.
By using the above-mentioned milling and turning composite exchange workbench, the embodiment further provides a workpiece processing method, which includes:
when the lifting device is in a low position state, the laser radar is higher than the working table surface, and scans a workpiece to obtain workpiece point cloud data when the working table surface rotates, and the laser radar transmits the workpiece point cloud data to a processing terminal;
the processing terminal generates model data of the workpiece according to the workpiece point cloud data, places the model data and a design model of the workpiece in a superposition mode according to feature points on the model data, judges whether the difference between the model data and the design model after superposition is larger than a preset value or not, and if yes, prompts the difference on an output module;
the laser radar scans a working table to obtain table point cloud data;
the processing terminal acquires the position of the working table according to the table point cloud data and controls the lifting device to lift according to the position of the working table;
the laser radar scans materials on the working table top when the working table top rotates to obtain material point cloud data;
and the processing terminal judges whether the gravity center of the material point cloud data is positioned on the central line of the table top point cloud data or not according to the material point cloud data and the table top point cloud data, and if so, the processing terminal controls the milling and turning combined exchange workbench to process the material.
Example 2
This embodiment is substantially the same as embodiment 1 except that:
the laser radar comprises a transmitter, two receivers and a reflecting plate, the transmitter and the first receiver are arranged above the worktable supporting seat, the transmitting direction of the transmitter and the receiving direction of the first receiver are on a vertical line vertical to the horizontal plane, the laser transmitted by the transmitter is reflected by the reflecting plate and then is received by the second receiver along the horizontal plane of the worktable,
the emitter and the first receiver are used for acquiring workpiece point cloud data and sending the workpiece point cloud data to the processing terminal;
the processing terminal acquires a three-dimensional workpiece model by using the workpiece point cloud data, and acquires the workpiece processing precision according to the three-dimensional workpiece model and the workpiece design model;
the transmitter and the second receiver are used for acquiring the point cloud data of the working table when the working table rotates and sending the point cloud data of the working table to the processing terminal;
the processing terminal is also used for acquiring a three-dimensional model of the working table at least two moments according to the point cloud data of the working table;
and the processing terminal is also used for acquiring the dynamic balance quality when the platform supporting seat and the working platform rotate together according to the contact ratio of all the three-dimensional models of the working platform.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes or modifications to these embodiments may be made by those skilled in the art without departing from the principle and spirit of this invention, and these changes and modifications are within the scope of this invention.
Claims (10)
1. A milling and turning composite exchange workbench is characterized by comprising two workbench surfaces, a workbench supporting seat, a workbench base, a workbench supporting frame, a rotating arm and a lifting device,
the bottom of each working table surface is provided with a positioning conical cap and a blind rivet, and the top of the working table supporting seat is provided with a positioning conical seat which is used for positioning and fixing the positioning conical cap and the blind rivet;
a connecting piece, a torque motor and a brake mechanism are arranged in the workbench base, the torque motor drives the workbench supporting base to rotate through the connecting piece, and a sliding device is arranged on the outer side of the workbench base;
the worktable support frame is provided with a slide rail matched with the sliding device, and the lifting device is arranged at one end of the slide rail;
the rotating arm is mounted at the top of the lifting device and comprises a servo motor, a transmission mechanism, a rotation center and two clamping mechanisms, the servo motor is used for driving the rotating arm to rotate around the rotation center through the transmission mechanism, the two clamping mechanisms are respectively arranged on two sides of the rotating arm, and the rotation center is fixed with the lifting device;
a clamping groove matched with the clamping mechanism is formed in the side face of each working table top;
when the lifting device is in a low position state, the clamping mechanism is lower than the clamping groove;
when the workbench base is in an exchange state, the clamping mechanism is aligned with the clamping groove;
when the lifting device is lifted from a low position to a high position, the clamping mechanism is clamped with the clamping groove and drives the workbench surface to be separated from the workbench supporting seat;
the servo motor is arranged at one end of the rotating arm, the servo motor is arranged on one side of an installation plane, the axis of the rotation center is arranged in the installation plane, the installation plane is parallel to the length direction of the rotating arm, the milling and turning combined exchange workbench further comprises an isolation door, a mounting groove is formed in the bottom of the isolation door, the isolation door is installed on the installation plane and clamped with the two ends of the rotating arm through the mounting groove, mounting protrusions for fixing the isolation door are arranged on the two end faces of the rotating arm, one clamping mechanism is overlapped with the position of the other clamping mechanism after rotating 180 degrees along the axis of the rotation center, and the transmission mechanism is arranged in a shell of the rotating arm;
the transmission mechanism comprises two belt wheels, a conveying belt, a speed reducer and a first gear, a rotor of the servo motor is connected with the first belt wheel, the first belt wheel is connected with a second belt wheel through the conveying belt, the second belt wheel is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the first gear, the first gear is meshed with a second gear of the rotation center, the rotating arm comprises a through hole matched with the rotation center, and the inner wall of the through hole is connected with the side face of the rotation center through a bearing.
2. The milling and turning combined exchange workbench according to claim 1, wherein the isolation door comprises a first door body, a second door body and a rotating rod, wherein a mounting groove on the first door body is fixed to the rotating arm, a holding groove is arranged below the second door body, the holding groove holds the top of the first door body, the first door body moves in the holding groove when the lifting device is lifted from a low position to a high position, the rotating rod is fixed to the rotation center and penetrates through the first door body and the second door body, the servo motor drives the rotating arm to rotate around the rotation center, and the rotating arm drives the isolation door to rotate around the rotating rod.
3. A milling and turning compound exchange table as claimed in claim 1, wherein the slide assembly includes a rail slide and a ball nut, the rail slide and ball nut being disposed on a bottom portion of the table base, the table base being movable on the slide rail by the rail slide and ball nut.
4. A milling and turning composite exchange workbench according to claim 1, wherein two connecting blocks are provided at the outer side of the clamping groove, the connecting blocks protrude out of the side wall of the clamping groove, the clamping mechanism comprises a clamping member and a groove, the groove is provided at both sides of the clamping member, when the clamping mechanism is clamped with the clamping groove, the clamping member is embedded into the clamping groove, and the connecting blocks are embedded into the groove.
5. A milling machine compound exchange table as in claim 4 wherein the top edge of the table support is provided with a plurality of counterbalances for adjusting the dynamic balance of the table support when rotated with the table surface.
6. A milling and turning compound exchange table as claimed in claim 1, wherein the lifting means comprises a hydraulic cylinder and a lifting body, the lifting body being disposed on top of the hydraulic cylinder, the hydraulic cylinder being fixed to one end of the slide rail.
7. The milling and turning compound exchange workbench according to claim 1, wherein the connecting piece comprises a rotating shaft fixed with the workbench supporting seat, a brake pad is fixed on the outer surface of the rotating shaft, the brake mechanism is a self-locking brake mechanism, the self-locking brake mechanism comprises a circular brake gland, a brake cylinder body and a brake piston,
the outer end face of the brake cylinder body is fixed with the brake gland, the inner end face of the brake cylinder body is used for being fixed with a workbench base, a fixing piece is clamped between the brake cylinder body and the brake gland, a gap for accommodating a brake pad is formed in one side of the fixing piece, the brake cylinder body and a brake piston arranged in the brake cylinder body are arranged on the other side of the fixing piece, and the inner surface of the brake cylinder body comprises a cylinder body protrusion;
the brake piston comprises a piston cover, a piston main body and a piston convex edge arranged on the outer surface of the piston main body, the piston cover is fixed at one end of the piston main body, the piston convex edge is arranged at the other end of the piston main body, the outer end surface of the piston convex edge is adjacent to the fixing plate, a plurality of center guide pins and elastic pieces sleeved on the center guide pins are arranged on the inner side of the piston convex edge, accommodating counter bores with the same number as the center guide pins are arranged on the outer end surface of the cylinder body bulge, and the brake piston is positioned with the brake cylinder body through the center guide pins;
the outer end face of the cylinder body protrusion and the inner end face of the piston convex edge form a first hydraulic cavity, the inner end face of the cylinder body protrusion and the piston cover form a second hydraulic cavity, and a first oil hole connected with the first hydraulic cavity and a second oil hole connected with the second hydraulic cavity are formed in the outer surface of the brake cylinder body;
in a non-hydraulic state, the elastic piece applies an outward thrust to the brake piston so that the inner end face of the brake gland, the brake pad, the fixing piece and the piston convex edge are mutually extruded along the outer end face;
after the first oil filling hole is filled with oil, the pressure of the first hydraulic cavity exerts an outward thrust on the brake piston;
after the second oil injection hole is filled with oil, the pressure of the second hydraulic cavity exerts inward thrust on the brake piston so that the inner end face of the brake gland, the brake pad and the fixing piece are separated from each other.
8. A milling and turning compound exchange workbench according to claim 1, wherein the isolation door is provided with a lidar, the scanning direction of which intersects the axis of the workbench support base in the exchange state of the workbench base,
when the lifting device is in a low position state, the laser radar is higher than the working table surface, and scans a workpiece to obtain workpiece point cloud data when the working table surface rotates, wherein the laser radar is used for transmitting the workpiece point cloud data to a processing terminal; the processing terminal is used for generating model data of the workpiece according to the workpiece point cloud data, placing the model data and a design model of the workpiece in a superposition mode according to feature points on the model data, judging whether the difference between the model data and the design model after superposition is larger than a preset value or not, and if the difference is larger than the preset value, prompting the difference on an output module;
the laser radar is also used for scanning the working table to obtain table point cloud data; the processing terminal is used for acquiring the position of the working table according to the table-board point cloud data and controlling the lifting of the lifting device according to the position of the working table;
the laser radar is also used for scanning materials on the working table top when the working table top rotates to obtain material point cloud data; the processing terminal is used for judging whether the gravity center of the material point cloud data is positioned on the center line of the table top point cloud data or not according to the material point cloud data and the table top point cloud data, and if yes, the milling machine composite exchange workbench is controlled to process the material.
9. The milling and turning compound exchange workbench according to claim 1, wherein the lidar comprises a transmitter, two receivers and a reflecting plate, the transmitter and the first receiver are disposed above the workbench support base, the transmitting direction of the transmitter and the receiving direction of the first receiver are on a vertical line perpendicular to the horizontal plane, the laser emitted by the transmitter is reflected by the reflecting plate and then received by the second receiver along the horizontal plane on which the workbench surface is located,
the transmitter and the first receiver are used for acquiring workpiece point cloud data and sending the workpiece point cloud data to the processing terminal;
the processing terminal acquires a three-dimensional model of the workpiece by using the point cloud data of the workpiece, and acquires the processing precision of the workpiece according to the three-dimensional model of the workpiece and the design model of the workpiece;
the transmitter and the second receiver are used for acquiring the point cloud data of the working table when the working table rotates and transmitting the point cloud data of the working table to the processing terminal;
the processing terminal is also used for acquiring a three-dimensional model of the working table at least two moments according to the point cloud data of the working table;
and the processing terminal is also used for acquiring the dynamic balance quality when the platform supporting seat and the working platform rotate together according to the contact ratio of all the three-dimensional models of the working platform.
10. A work system, characterized in that it comprises a milling and turning compound exchange table according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210985584.7A CN115284025A (en) | 2022-08-17 | 2022-08-17 | Milling and turning combined exchange workbench and working system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210985584.7A CN115284025A (en) | 2022-08-17 | 2022-08-17 | Milling and turning combined exchange workbench and working system |
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| Publication Number | Publication Date |
|---|---|
| CN115284025A true CN115284025A (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210985584.7A Pending CN115284025A (en) | 2022-08-17 | 2022-08-17 | Milling and turning combined exchange workbench and working system |
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| CN (1) | CN115284025A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024164302A1 (en) * | 2023-02-10 | 2024-08-15 | 乔崴进科技股份有限公司 | Workbench having drive and angle positioning structure |
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2022
- 2022-08-17 CN CN202210985584.7A patent/CN115284025A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024164302A1 (en) * | 2023-02-10 | 2024-08-15 | 乔崴进科技股份有限公司 | Workbench having drive and angle positioning structure |
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