CN215357209U - Flexible production line for machining parts of lathe spindle - Google Patents
Flexible production line for machining parts of lathe spindle Download PDFInfo
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- CN215357209U CN215357209U CN202120210847.8U CN202120210847U CN215357209U CN 215357209 U CN215357209 U CN 215357209U CN 202120210847 U CN202120210847 U CN 202120210847U CN 215357209 U CN215357209 U CN 215357209U
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Abstract
The utility model relates to a flexible production line for machining parts of a lathe spindle, which comprises a material dispatching and transferring device, a material temporary storage device, a material machining device and a main control system; the material turnover device consists of a mechanical arm, a walking base and a rail, and the mechanical arm can walk and be positioned on the rail through the walking base; the material processing device is arranged on two sides of the track and consists of a plurality of numerical control machines; the material temporary storage device is composed of a plurality of transfer tables; the walking base and the manipulator can receive a control instruction of the main control system, grab lathe spindle parts on the material temporary storage device or the material processing device according to the control instruction, and carry the parts to the specified material temporary storage device or the specified material processing device. The utility model can improve the manufacturing precision and quality stability of the main shaft parts, thereby improving the reliability and precision stability of the numerical control lathe; the production efficiency can be greatly improved based on the design of production beat, processing flexibility and manufacturing precision.
Description
Technical Field
The utility model relates to the technical field of machining of shaft parts, in particular to a flexible production line for machining lathe spindle parts.
Background
The precision lathe spindle part is a key part of a high-grade numerical control lathe, and the rotary motion precision of the precision lathe spindle part directly influences the performance and the machining precision of the high-grade numerical control lathe. At present, machine tool manufacturing enterprises in China seriously lack efficient and precise complete processing equipment and production lines for precision lathe spindle parts. The main processing technological processes comprise turning, boring, external grinding, internal grinding and the like, the turning generally adopts a common lathe such as C630 and the like, a main shaft inner hole generally adopts a self-braking force head to bore, the whole main shaft part adopts quenching and tempering, a wear-resistant working surface adopts local quenching or nitriding treatment and the like, and the finish machining adopts grinding.
The machining and manufacturing mode has the advantages of poor precision stability, low production efficiency and poor size consistency of parts, cannot meet the machining requirements of machine tool manufacturing enterprises in China on precision lathe spindle parts, seriously restricts the development of the high-grade numerical control machine manufacturing industry in China, and becomes a major bottleneck problem of the high-grade numerical control machine manufacturing industry in China.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a flexible production line for machining parts of a lathe spindle.
The technical scheme adopted by the utility model is as follows:
a flexible production line for machining parts of a lathe spindle comprises a material dispatching and transferring device, a material temporary storage device, a material machining device and a main control system; the material turnover device is composed of a mechanical arm, a walking base and a track, the mechanical arm can walk and be positioned on the track through the walking base, and the mechanical arm and the walking base are respectively in information interaction with the main control system; the material processing device is arranged on two sides of the track and consists of a plurality of numerical control machines, and each numerical control machine is in information interaction with the main control system; the material temporary storage device is composed of a plurality of transfer tables, and the plurality of transfer tables are arranged among the numerical control machines and interact with the main control system; the walking base and the manipulator can receive a control instruction of the main control system, grab lathe spindle parts on the material temporary storage device or the material processing device according to the control instruction, and carry the parts to the specified material temporary storage device or the specified material processing device.
Preferably, the walking base of the material turnover device is provided with a helical gear, a rack, a servo motor with medium inertia and large torque and a walking wheel; the manipulator of the material turnover device adopts a multi-joint manipulator, a grabbing component of the manipulator is composed of four pneumatic clamping jaws, and the four pneumatic clamping jaws form two pairs of large-stroke split double-jaw structures capable of grabbing lathe spindle parts; the track of the material turnover device adopts a high-precision linear guide rail and is provided with a digital control lubricating system.
Preferably, the material processing device consists of a first high-rigidity numerical control lathe, a second high-rigidity numerical control lathe, a third high-rigidity numerical control lathe, a numerical control center hole grinding machine which are arranged in a straight line on one side of the walking track, and a special numerical control internal grinding machine, a first numerical control end face external grinding machine, a second numerical control end face external grinding machine, a third numerical control end face external grinding machine and a horizontal processing center which are arranged on the other side of the walking track and are arranged in a straight line; the high-rigidity numerically controlled lathe adopts a static pressure guide rail, and a tool setting gauge module, a workpiece detection module, a tool monitoring module and a thermal compensation module are also arranged in the high-rigidity numerically controlled lathe; the numerical control end surface cylindrical grinding machine adopts a large-reducing measuring frame connected with a portal frame through a turnover oil cylinder, and a radial measuring instrument module is installed in the numerical control end surface cylindrical grinding machine; and programmable controllers are respectively arranged on the numerical control machines, and the machining parameters of the numerical control machines are controlled through the programmable controllers.
Preferably, the material temporary storage device comprises five transfer tables, the first transfer table is arranged on one side of the first high-rigidity numerical control lathe, the second transfer table, the third transfer table and the fourth transfer table are arranged between the first high-rigidity numerical control lathe and the numerical control center hole grinding machine, and the fifth transfer table is arranged between the first numerical control end face cylindrical grinding machine and the special numerical control internal grinding machine; the transfer table is of a box body type structure, a transmission assembly capable of driving a top table board to move is arranged at the top of the box body, a tool assembly for supporting spindle parts is arranged on the top table board, and the tool assembly is symmetrically arranged V-shaped blocks; the transmission assembly of the first transfer table is a roller, and the transmission assemblies of the other transfer tables are linear sliding rails.
Preferably, the main control system consists of a computer, a main control cabinet, a servo controller, a PLC information interaction module, an information transmission module and a sensor, wherein the computer is an input port of the main control cabinet, and the main control cabinet is connected with the servo controller, the manipulator, the PLC information interaction module and the information transmission module of the servo motor through network cables; the servo controller of the servo motor and the manipulator are in information interaction with the main controller, and a pneumatic clamping jaw of the manipulator is provided with a correlation sensor; the programmable controller of each numerical control machine is connected with a PLC information interaction module and interacts information with the main control system through the PLC information interaction module; the transfer tables are respectively provided with an information transmission module and are in information interaction with the main control system through the information transmission modules, and the box bodies of the transfer tables are provided with whisker sensors connected with the information transmission modules.
Preferably, the flexible production line for machining the lathe spindle parts is further provided with a video monitoring device, the video monitoring device is composed of a high-definition network infrared all-in-one machine and a network hard disk video recorder, the high-definition network infrared all-in-one machine is installed in all machining areas of the numerical control machine in the line, and the network hard disk video recorder is in wired connection with a main control cabinet of a main control system.
Preferably, the flexible production line for machining the lathe spindle part is also provided with a manual auxiliary line and a material bin, the material bin and the manual auxiliary line are arranged in a straight line, and a travelling crane is arranged between the material bin and the automatic production line; the manual auxiliary line consists of a center hole grinding machine and a fourth high-rigidity numerically controlled lathe; the material bin is composed of an upper material bin and a lower material bin.
Preferably, a sixth transfer table is further arranged between the second high-rigidity numerically controlled lathe and the third high-rigidity numerically controlled lathe; a seventh transfer table is further arranged on one side of the third high-rigidity numerically controlled lathe; an eighth transfer table is arranged between the horizontal machining center and the third numerical control end surface cylindrical grinding machine; a ninth middle rotary table is arranged between the third numerical control end surface cylindrical grinding machine and the second numerical control end surface cylindrical grinding machine; a tenth transfer table is further arranged between the second numerical control end surface cylindrical grinding machine and the first numerical control end surface cylindrical grinding machine; and the transmission assembly of the seventh transfer table is a roller, and the transmission assemblies of the other transfer tables are linear sliding rails.
The utility model has the beneficial effects that:
the automatic production line is designed based on production beat, processing flexibility and manufacturing precision, and a scheduling turnover device and a material temporary storage device are interacted with information of a main control system to schedule and control a product flow so as to form a flexible automatic production line for automatically and manually mixing the flow and improve the production efficiency; through the information interaction between the material processing device and the main control system, the main control system controls the processing programs of the numerical control machines, so that each processing procedure is realized, and the processing beat is mastered.
In addition, because the high-rigidity numerically controlled lathe is provided with the tool setting gauge module, the workpiece detection module, the tool monitoring module and the thermal compensation module, and the numerically controlled end face cylindrical grinding machine adopts the measuring frame with large reducing diameter, the main control system can know the tool abrasion, the outer diameter, the inner diameter, the length and other dimensions, the moment change, the reading temperature and other information in the machining process in real time, so that the coping error compensation is carried out, the manufacturing precision and the quality stability of main shaft parts are improved, and the reliability and the precision stability of the numerically controlled lathe are further improved.
Drawings
FIG. 1 is a schematic view of the overall arrangement of the present invention;
FIG. 2 is a schematic structural view of a robot according to the present invention;
FIG. 3 is a schematic structural view of a high-rigidity numerically controlled lathe of the material processing device of the present invention;
FIG. 4 is a schematic structural diagram of a programmable controller and a high-definition network infrared all-in-one machine of the high-rigidity numerically controlled lathe of the material processing device;
FIG. 5 is a schematic structural diagram of a PLC information interaction module on the high-rigidity numerically controlled lathe of the material processing device of the present invention;
FIG. 6 is a schematic structural view of a first transfer table of the material temporary storage device according to the present invention;
FIG. 7 is a schematic structural view of a second transfer table of the material temporary storage device according to the present invention;
FIG. 8 is a schematic diagram of the structure of the computer and the main control cabinet of the main control system of the present invention;
FIG. 9 is a schematic diagram of the internal structure of the main control cabinet of the present invention;
in the figures 1-9, 1-mechanical arm, 2-track, 3-first high rigidity numerically controlled lathe, 4-second high rigidity numerically controlled lathe, 5-third high rigidity numerically controlled lathe, 6-numerically controlled center hole grinding machine, 7-special numerically controlled internal grinding machine, 8-first numerically controlled end face external grinding machine, 9-second numerically controlled end face external grinding machine, 10-third numerically controlled end face external grinding machine, 11-horizontal machining center, 12-static pressure guide rail, 13-tool setting instrument module, 14-workpiece detection module, 15-tool monitoring module, 16-thermal compensation module, 17-programmable controller, 18-first transfer table, 19-second transfer table, 20-third transfer table, 21-fourth transfer table, 22-fifth transfer table, 23-top table, 24-tooling assembly, 25-computer, 26-main control cabinet, 27-PLC information interaction module, 28-feeler sensor, 29-high-definition network infrared all-in-one machine, 30-network video recorder, 31-sixth transfer station, 32-seventh transfer station, 33-eighth transfer station, 34-ninth transfer station, 35-tenth transfer station, 36-center hole grinder, 37-fourth high-rigidity numerical control car, 38-feeding bin and 39-discharging bin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The utility model discloses a flexible production line for machining lathe spindle parts, which is shown in figure 1 and comprises a material dispatching and transferring device, a material temporary storage device, a material machining device and a main control system. The material transfer device is composed of a manipulator 1, a walking base and a track 2, the manipulator 1 can walk and be positioned on the track 2 through the walking base, and the manipulator 1 and the walking base are respectively in information interaction with the main control system; the material processing device is arranged on two sides of the track 2 and is composed of a plurality of numerical control machines, and each numerical control machine is in information interaction with the main control system; the material temporary storage device is composed of a plurality of transfer tables, and the plurality of transfer tables are arranged among the numerical control machines and interact with the main control system; the walking base and the manipulator 1 can receive a control instruction of the main control system, grab lathe spindle parts on the material temporary storage device or the material processing device according to the control instruction, and carry the parts to the specified material temporary storage device or the specified material processing device. The walking base of the material turnover device is a product of Shenzhen New Songkuzhi technology Limited, and is provided with a helical gear, a rack, a servo motor with medium inertia and large torque and a profiling wheel; the servo motor with medium inertia and large torque drives the walking wheel to rotate through the gear and the rack, so that the walking action on the track 2 is realized.
As shown in fig. 2, a robot arm 1 of the material turnover device adopts a 165Kg robot provided by new pinekojic technologies limited in shenzhen city, the robot arm 1 is a multi-joint robot arm 1, and in consideration of the weight and variety of spindle parts of the numerically controlled lathe and the precision requirement of the spindle, a joint robot with strong bearing capacity is selected to realize the grabbing of the spindle parts; in order to avoid rigid collision between the feeding process of the manipulator and the clamping process of the machine tool, the tail end of the manipulator is provided with a follow-up function, the grabbing component of the manipulator 1 is composed of four pneumatic clamping jaws, and the four pneumatic clamping jaws form two pairs of large-stroke split double-jaw structures capable of grabbing lathe spindle parts, so that grabbing and carrying actions of the lathe spindle parts are met. The rail 2 of the material turnover device is made of a product of new Pink technology Limited company in Shenzhen, the rail 2 is a high-precision linear guide rail and is provided with a digital control lubricating system, the digital control lubricating system is made of JS-G3-D2-N produced by Beiqi of Nanjing, and lubricating oil is scientifically and reasonably added to a linear guide rail sliding block and a gear rack in the walking process of a walking base by the digital control lubricating system, so that the linear movement precision and the service life of a ground rail are guaranteed, and the running noise is effectively reduced.
The material processing device of the flexible production line for processing the lathe spindle parts comprises a first high-rigidity numerical control lathe 3, a second high-rigidity numerical control lathe 4, a third high-rigidity numerical control lathe 5, a numerical control center hole grinding machine 6 and a special numerical control internal grinding machine 7, a first numerical control end face external grinding machine 8, a second numerical control end face external grinding machine 9, a third numerical control end face external grinding machine 10 and a horizontal processing center 11, wherein the first high-rigidity numerical control lathe 3, the second high-rigidity numerical control lathe 4, the third high-rigidity numerical control lathe 5 and the numerical control center hole grinding machine 6 are arranged on one side of a walking track 2 in a row; as shown in fig. 3 to 5, the high-rigidity numerically controlled lathe employs CY-CTC40100 which is independently developed, the numerically controlled center grinder 6 employs 2MK9418 which is manufactured by yokkyo sunrise numerically controlled bearing equipment gmbh, the special numerically controlled internal grinder 7 employs H403-AE which is manufactured by shanghai machine tool factory, the numerically controlled end surface external grinder employs H234 which is manufactured by shanghai machine tool factory, and the horizontal machining center 11 employs KHC80 which is manufactured by shenjiu kunming machine tool gmbh. The high-rigidity numerically controlled lathe adopts a static pressure guide rail 12, and a tool setting gauge module 13, a workpiece detection module 14, a tool monitoring module 15 and a thermal compensation module 16 are further arranged in the high-rigidity numerically controlled lathe; the tool setting gauge module 13 is specifically TT30 produced by Marbos corporation, and is established on a numerical control system: the tool setting device comprises five subprograms of MTS _ ALM.SPF, MTS _ APU.SPF, MTS _ CPU.SPF, MTS _ INI.SPF and MTS _ PU.SPF, wherein when the tool setting device is used, the corresponding subprograms are called according to needs and are used for feeding error compensation values into a tool compensation storage after a tool is worn and replaced; the workpiece detection module 14 adopts T25S produced by Marbos corporation, establishes MPL _ X and MPL _ Z measurement programs on a numerical control system, calls different detection programs during measurement, completes on-machine detection of the dimensions such as the outer diameter, the inner diameter and the length of a machined part, and makes timely judgment on the machining process to avoid batch waste; the tool monitoring module 15 is a torque sensor and is used for monitoring torque change in the machining process, the thermal compensation module 16 is a temperature sensor and is arranged on guide rails of an X shaft and a Z shaft of the machine tool and used for reading temperature information, monitoring the machine tool stopping and cooling in real time, processing and heating processes, and performing error compensation in real time to improve the machining precision. The high-rigidity numerically controlled lathe is designed by adopting the hydrostatic guide rail 12, the machine tool develops the functions of cutter monitoring, thermal compensation and automatic on-line measurement of workpieces, the hard turning process of the spindle part after the hardening heat treatment is realized by the traditional grinding method is replaced, the surface finish degree and the precision of the part are ensured, and the production efficiency is improved. The numerical control end surface cylindrical grinding machine adopts a large-diameter-variable measuring frame connected with a portal frame through a turning oil cylinder, and a radial measuring instrument module is installed in the machine and adopts THRUVAR5 produced by Marbos. Because a plurality of cylindrical parts need to be ground on one grinding machine, and the sizes are different; therefore, the measuring frame is connected with the portal frame through the overturning oil cylinder, the outer diameter size is measured while the measuring frame is turned down for grinding before grinding, the measuring frame is turned up after quitting machining after the size is ground, and the on-machine detection method ensures the axial size precision of workpiece machining. Each digit control machine tool is electronic guard gate, electronic main shaft chuck, electronic tailstock, is equipped with programmable controller 17 simultaneously, through programmable controller 17 control digit control machine tool processing parameter.
The material temporary storage device of the flexible production line for machining the lathe spindle parts comprises five transfer tables, wherein a first transfer table 18 is arranged on one side of a first high-rigidity numerical control lathe 3, a second transfer table 19, a third transfer table 20 and a fourth transfer table 21 are arranged between the first high-rigidity numerical control lathe 3 and a numerical control center hole grinding machine 6, and a fifth transfer table 22 is arranged between a first numerical control end face cylindrical grinding machine 8 and a special numerical control internal grinding machine 7. The transfer table is of a box body type structure, a transmission assembly capable of driving the top table board 23 to move is arranged at the top of the box body, a tool assembly 24 used for supporting spindle parts is arranged on the top table board 23, and the tool assembly 24 is symmetrically arranged V-shaped blocks. As shown in fig. 6, the driving component of the first transfer table 18 of the transfer tables is a roller, as shown in fig. 7, the driving components of the other transfer tables are linear sliding rails, and the driving components are controlled to be opened and closed through control buttons.
As shown in fig. 8 to 9, the main control system of the flexible production line for machining lathe spindle parts is composed of a computer 25, a main control cabinet 26, a servo controller, a PLC information interaction module 27, an information transmission module and a sensor. The computer 25 is an input port of the main control cabinet 26, the main control cabinet 26 is connected with a servo controller of a servo motor, the manipulator 1, the PLC information interaction module 27 and the information transmission module through network cables, the PLC information interaction module 27 is Siemens S7-400, and the information transmission module is realized by adopting an industrial Ethernet. The computer 25 can send control commands to the servo controller of the servo motor and the manipulator 1 through the main control cabinet 26, and the servo controller of the servo motor and the manipulator 1 exchange information with the main controller. Be equipped with correlation sensor on the pneumatic jack catch of manipulator 1, be used for detecting whether there is material through correlation sensor. A servo controller of the servo motor controls the servo motor through three modes of position, speed and moment, and high-precision positioning of a transmission system is achieved. The programmable controllers 17 of the numerical control machines are respectively connected with a PLC information interaction module 27 and are in information interaction with the main control system through the PLC information interaction module 27; the computer 25 can input processing parameters and operation instructions to the programmable controller 17 of each numerical control machine tool through the main control cabinet 26 and the PLC information interaction module 27, and the programmable controller 17, the tool instrument module, the workpiece detection module 14, the tool monitoring module 15, the thermal compensation module 16 and the radial measuring instrument module of each numerical control machine tool feed back information to the computer 25 through the main control cabinet 26 and the PLC information interaction module 27 in real time, so that the computer 25 can calculate and adjust the machining allowance, the machining time, the tool changing compensation, the machining waste, the thermal state positioning error, the moment change and the like of each production process, and plan the optimal machining and transportation path, thereby effectively improving the production efficiency and simultaneously directly obtaining the inspection report. The transfer tables are respectively provided with an information transmission module and are in information interaction with the main control system through the information transmission modules, the box bodies of the transfer tables are provided with whisker sensors 28 connected with the information transmission modules, and the whisker sensors 28 are used for detecting whether materials exist on the transfer tables.
This flexible production line of lathe main shaft parts machining's reasonable layout, the track 2 setting of material turnover device is at the production line intermediate position, and a plurality of digit control machine tools, transfer table require to be arranged in a word in 2 both sides on track according to the process, and the array orientation is on a parallel with track 2 to the manipulator carries out the unloading operation of going up of part in the processing region, also is convenient for the mixed flow processing of in-line, off-line equipment.
The control flow of the flexible production line for machining the lathe spindle parts realizes the following flexible machining under the control of the control system:
step one, after a main control system detects that a first transfer table 18 has materials and production line equipment is normal, control instructions are transmitted to a walking base, a mechanical arm 1 and a first high-rigidity numerical control lathe 3, the walking base walks to the position of the first transfer table 18 on a track 2 to be positioned, the mechanical arm 1 is used for grabbing parts and carrying the parts to the first high-rigidity numerical control lathe 3, the first high-rigidity numerical control lathe 3 opens a protective door, a feeding shaft moves to a safe area, a spindle chuck opens, a tailstock returns to be in a feeding preparation state, the mechanical arm puts the parts in, the first high-rigidity numerical control lathe 3 clamps the parts, the tailstock is tightly pushed, the mechanical arm exits from a machining area, the protective door is closed, and the first high-rigidity numerical control lathe 3 completes machining processes of a part finish turning outer circle reference, an inner cone surface reference and an end face reference.
And step two, informing a main control system after the first high-rigidity numerically controlled lathe 3 finishes machining, transmitting a control instruction to the walking base and the mechanical arm 1 by the main control system, walking the walking base on the track 2 to the first high-rigidity numerically controlled lathe 3 for positioning, grabbing the part by the mechanical arm 1, carrying the part to a second transfer table 19, and finishing the machining process of the two-end reference of the fine grinding of the part through the numerically controlled central hole grinding machine 6 manually.
And step three, the main control system detects that the second transfer table 19 is filled with materials, and transmits control instructions to the traveling base, the manipulator 1 and the second high-rigidity numerically controlled lathe 4, the traveling base travels to the second transfer table 19 on the track 2 to be positioned, the manipulator 1 picks the parts and conveys the parts to the second high-rigidity numerically controlled lathe 4, the second high-rigidity numerically controlled lathe 4 and the manipulator are in the same interactive control action, and the second high-rigidity numerically controlled lathe 4 finishes the machining process of finely turning the excircle, the outer conical surface and the end face of the parts.
And fourthly, informing a main control system after the second high-rigidity numerically controlled lathe 4 finishes machining, transmitting a control instruction to the walking base, the mechanical arm 1 and the third high-rigidity numerically controlled lathe 5 by the main control system, walking the walking base on the rail 2 to the second high-rigidity numerically controlled lathe 4 for positioning, grabbing the part by the mechanical arm 1, and carrying to the third high-rigidity numerically controlled lathe 5, and finishing the machining process of finish turning the outer circle, the inner and outer conical surfaces, the end surface and the outer circular groove of the large end of the part by the third high-rigidity numerically controlled lathe 5.
And fifthly, informing the main control system after the third high-rigidity numerically controlled lathe 5 finishes machining, transmitting a control command to the walking base, the mechanical arm 1 and the horizontal machining center 11 by the main control system, enabling the walking base to walk on the rail 2 to the third high-rigidity numerically controlled lathe 5 for positioning, grabbing parts by the mechanical arm 1, carrying the parts to the horizontal machining center 11, and finishing the machining processes of boring, drilling and tapping the parts and milling key grooves by the horizontal machining center 11.
And step six, after the horizontal machining center 11 finishes machining, informing a main control system, transmitting a control command to a walking base and the mechanical arm 1 by the main control system, enabling the walking base to walk on the track 2 to the horizontal machining center 11 for positioning, enabling the mechanical arm 1 to grab and carry the walking base to a third transfer table 20, and finishing the machining process of part heat treatment qualification outside a manual line, fine grinding the two-end reference through a center hole grinding machine and finish turning threads through a fourth high-rigidity numerical control lathe.
And seventhly, the main control system detects that the fourth transfer table 21 is filled with materials and transmits control instructions to the walking base, the mechanical arm 1 and the third numerical control end face cylindrical grinding machine 10, the walking base walks on the track 2 to the fourth transfer table 21 for positioning, the mechanical arm 1 grabs the part and carries the part to the third numerical control end face cylindrical grinding machine 10, and the third numerical control end face cylindrical grinding machine 10 finishes the machining process of the fine grinding outer circle and the end face of the part.
Step eight, informing a main control system after the third numerically-controlled end face cylindrical grinding machine 10 finishes processing, the main control system transmitting a control instruction to the walking base, the mechanical arm 1 and the second numerically-controlled end face cylindrical grinding machine 9, the walking base walking on the track 2 to the third numerically-controlled end face cylindrical grinding machine 10 for positioning, grabbing parts by the mechanical arm 1, and carrying to the second numerically-controlled end face cylindrical grinding machine 9, and finishing the installation of the part fine grinding spindle bearing by the second numerically-controlled end face cylindrical grinding machine 9 by 1: 12, machining the outer conical surface.
Step nine, the main control system is informed after the second numerically-controlled end face cylindrical grinding machine 9 finishes processing, the main control system transmits control instructions to the walking base, the mechanical arm 1 and the first numerically-controlled end face cylindrical grinding machine 8, the walking base walks on the track 2 to the second numerically-controlled end face cylindrical grinding machine 9 to locate, the mechanical arm 1 grabs parts and carries the parts to the first numerically-controlled end face cylindrical grinding machine 8, and the parts grinding main shaft and the chuck are combined by the first numerically-controlled end face cylindrical grinding machine 8 to be 1: 4, machining the outer conical surface and the end face.
Step ten, the main control system is informed after the processing of first numerical control end surface cylindrical grinder 8 finishes, and the main control system transmits control instructions to walking base and manipulator 1, and the walking base walks to 8 departments of first numerical control end surface cylindrical grinder on track 2 and fixes a position, snatchs the part by manipulator 1 to carry to fifth transfer table 22, and the manual work is accomplished part correct grinding 1 through special numerical control internal grinding machine 7: 20 processing technology of the inner conical surface.
The traditional spindle processing generally adopts various single machines and self-made equipment for sequential processing, the processing and manufacturing modes have poor precision stability and low production efficiency, the size consistency of parts is poor, and the processing requirements on precision lathe spindle parts cannot be met; through the matching of technological equipment capacity and an automatic transfer system, beat balance and efficient production are realized. The processing capability of typical structure and process characteristics of a machine tool spindle series is realized by utilizing a grouping technology, so that a production line has flexible processing capability.
It should be noted that the first transfer table 18 is provided with three stations, and a roller conveying mode is adopted, after the material is manually discharged in place by a travelling crane, an automatic program is started by pressing a start button, the roller is conveyed by a wire, and after a sensor detects that the material is in place, the conveying is stopped and the main control system is informed that the material loading is completed. The three stations are set after the machining efficiency is calculated in detail according to the machining beat, and the number of the stations can be increased or decreased according to the machining beat requirements of different parts. In addition, the second transfer table 19, the third transfer table 20 and the fourth transfer table 21 are arranged between the first high-rigidity numerically controlled lathe 3 and the numerically controlled central hole grinding machine 6, mainly because after the parts are processed in the fifth step, the heat treatment qualification of the parts needs to be finished outside the manual line, the two end references are finely ground through the central hole grinding machine, the threads are finely turned through the fourth high-rigidity numerically controlled lathe, and the processed parts need to enter the line again, so that three transfer tables are arranged in the area, the second transfer table 19 is allocated to the parts finished in the second step for placement, the third transfer table 20 is allocated to the parts needing to be transported out of the line for placement, the fourth transfer table 21 is allocated to the parts which enter the production line again for placement, and the mixed flow processing inside and outside the production line is realized through the arrangement.
In view of simultaneous machining of a plurality of lathe spindle parts, a sixth transfer table 31 is further arranged between the second high-rigidity numerically controlled lathe 4 and the third high-rigidity numerically controlled lathe 5; a seventh transfer table 32 is further arranged on one side of the third high-rigidity numerically controlled lathe 5; an eighth transfer table 33 is further arranged between the horizontal machining center 11 and the third numerical control end surface cylindrical grinding machine 10; a ninth middle rotary table 34 is also arranged between the third numerical control end surface cylindrical grinding machine 10 and the second numerical control end surface cylindrical grinding machine 9; a tenth transfer table 35 is further arranged between the second numerical control end surface cylindrical grinding machine 9 and the first numerical control end surface cylindrical grinding machine 8; the transmission component of the seventh transfer table 32 is a roller, and the transmission components of the other transfer tables are linear slide rails; the transfer table can be used for temporarily storing parts to be machined when each numerical control machine tool executes a machining instruction.
In order to realize the online of blank materials, the offline of finished parts and the offline auxiliary process, the flexible production line for machining the lathe spindle parts is also provided with a manual auxiliary line and a material bin, the material bin and the manual auxiliary line are arranged in a straight line, and a travelling crane is arranged between the material bin and the automatic production line. The manual auxiliary line is composed of a center hole grinding machine 36 and a fourth high-rigidity numerical control lathe 37, and the center hole grinding machine 36 and the fourth high-rigidity numerical control lathe 37 are used for manual line external machining in the step six. The material bin is composed of an upper material bin 38 and a lower material bin 39, the upper material bin 38 is used for placing blank materials to the first transfer table 18, and the lower material bin 39 is used for placing finished products.
In addition, in order that the main control system can more intuitively know and check the running condition of the flexible production line for lathe spindle part machining in real time, the flexible production line for lathe spindle part machining is further provided with a video monitoring device, the video monitoring device is composed of a high-definition network infrared all-in-one machine 29 and a network hard disk video recorder 30, the high-definition network infrared all-in-one machine 29 is installed in all machining areas of the numerical control machine tools in the line, and the network hard disk video recorder 30 adopts DS-7608N-E2 of Haokawav and is in wired connection with the main control cabinet 26 of the main control system.
Claims (8)
1. The utility model provides a flexible production line of lathe main shaft parts machining which characterized in that: the flexible production line for machining the lathe spindle parts comprises a material dispatching and transferring device, a material temporary storage device, a material machining device and a main control system; the material dispatching turnover device is composed of a mechanical arm, a walking base and a track, the mechanical arm can walk and be positioned on the track through the walking base, and the mechanical arm and the walking base are respectively in information interaction with the main control system; the material processing device is arranged on two sides of the track and consists of a plurality of numerical control machines, and each numerical control machine is in information interaction with the main control system; the material temporary storage device is composed of a plurality of transfer tables, and the plurality of transfer tables are arranged among the numerical control machines and interact with the main control system; the walking base and the manipulator can receive a control instruction of the main control system, grab lathe spindle parts on the material temporary storage device or the material processing device according to the control instruction, and carry the parts to the specified material temporary storage device or the specified material processing device.
2. The flexible production line for lathe spindle parts machining according to claim 1, characterized in that: the walking base of the material turnover device is provided with a helical gear, a rack, a servo motor with medium inertia and large torque and a walking wheel; the manipulator of the material turnover device adopts a multi-joint manipulator, a grabbing component of the manipulator is composed of four pneumatic clamping jaws, and the four pneumatic clamping jaws form two pairs of large-stroke split double-jaw structures capable of grabbing lathe spindle parts; the track of the material turnover device adopts a high-precision linear guide rail and is provided with a digital control lubricating system.
3. The flexible production line for lathe spindle parts machining according to claim 2, characterized in that: the material processing device consists of a first high-rigidity numerical control lathe, a second high-rigidity numerical control lathe, a third high-rigidity numerical control lathe, a numerical control center hole grinding machine which are arranged in a straight line on one side of the walking track, and a special numerical control internal grinding machine, a first numerical control end face external grinding machine, a second numerical control end face external grinding machine, a third numerical control end face external grinding machine and a horizontal processing center which are arranged on the other side of the walking track and are arranged in a straight line; the high-rigidity numerically controlled lathe adopts a static pressure guide rail, and a tool setting gauge module, a workpiece detection module, a tool monitoring module and a thermal compensation module are also arranged in the high-rigidity numerically controlled lathe; the numerical control end surface cylindrical grinding machine adopts a large-reducing measuring frame connected with a portal frame through a turnover oil cylinder, and a radial measuring instrument module is installed in the numerical control end surface cylindrical grinding machine; and programmable controllers are respectively arranged on the numerical control machines, and the machining parameters of the numerical control machines are controlled through the programmable controllers.
4. The flexible production line for lathe spindle parts machining according to claim 3, characterized in that: the material temporary storage device comprises five transfer tables, wherein the first transfer table is arranged on one side of the first high-rigidity numerical control lathe, the second transfer table, the third transfer table and the fourth transfer table are arranged between the first high-rigidity numerical control lathe and the numerical control center hole grinding machine, and the fifth transfer table is arranged between the first numerical control end face cylindrical grinding machine and the special numerical control internal grinding machine; the transfer table is of a box body type structure, a transmission assembly capable of driving a top table board to move is arranged at the top of the box body, a tool assembly for supporting spindle parts is arranged on the top table board, and the tool assembly is symmetrically arranged V-shaped blocks; the transmission assembly of the first transfer table is a roller, and the transmission assemblies of the other transfer tables are linear sliding rails.
5. The flexible production line for lathe spindle parts machining according to claim 4, characterized in that: the main control system consists of a computer, a main control cabinet, a servo controller, a PLC information interaction module, an information transmission module and a sensor, wherein the computer is an input port of the main control cabinet, and the main control cabinet is connected with the servo controller, the manipulator, the PLC information interaction module and the information transmission module of the servo motor through network cables; the servo controller of the servo motor and the manipulator are in information interaction with the main controller, and a pneumatic clamping jaw of the manipulator is provided with a correlation sensor; the programmable controller of each numerical control machine is connected with a PLC information interaction module and interacts information with the main control system through the PLC information interaction module; the transfer tables are respectively provided with an information transmission module and are in information interaction with the main control system through the information transmission modules, and the box bodies of the transfer tables are provided with whisker sensors connected with the information transmission modules.
6. The flexible production line for lathe spindle parts machining according to claim 5, characterized in that: the flexible production line for machining the parts of the lathe spindle is further provided with a video monitoring device, the video monitoring device is composed of a high-definition network infrared all-in-one machine and a network video recorder, the high-definition network infrared all-in-one machine is installed in all machining areas of the numerical control machine in the line, and the network video recorder is in wired connection with a main control cabinet of a main control system.
7. The flexible production line for lathe spindle parts machining according to claim 1, characterized in that: the flexible production line for machining the lathe spindle parts is also provided with a manual auxiliary line and a material bin, the material bin and the manual auxiliary line are arranged in a straight line, and a travelling crane is arranged between the material bin and the automatic production line; the manual auxiliary line consists of a center hole grinding machine and a fourth high-rigidity numerically controlled lathe; the material bin is composed of an upper material bin and a lower material bin.
8. The flexible production line for lathe spindle parts machining according to claim 3, characterized in that: a sixth transfer table is arranged between the second high-rigidity numerically controlled lathe and the third high-rigidity numerically controlled lathe; a seventh transfer table is further arranged on one side of the third high-rigidity numerically controlled lathe; an eighth transfer table is arranged between the horizontal machining center and the third numerical control end surface cylindrical grinding machine; a ninth middle rotary table is arranged between the third numerical control end surface cylindrical grinding machine and the second numerical control end surface cylindrical grinding machine; a tenth transfer table is further arranged between the second numerical control end surface cylindrical grinding machine and the first numerical control end surface cylindrical grinding machine; and the transmission assembly of the seventh transfer table is a roller, and the transmission assemblies of the other transfer tables are linear sliding rails.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120210847.8U CN215357209U (en) | 2021-01-26 | 2021-01-26 | Flexible production line for machining parts of lathe spindle |
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| CN202120210847.8U CN215357209U (en) | 2021-01-26 | 2021-01-26 | Flexible production line for machining parts of lathe spindle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116165966A (en) * | 2023-04-21 | 2023-05-26 | 沈阳精锐数控机床有限公司 | Informationized self-adaptive material regulation and control method and system for numerical control machine tool |
| CN116300777A (en) * | 2023-05-25 | 2023-06-23 | 湖北工业大学 | Modularized modeling method and system for intelligent industrial production line |
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2021
- 2021-01-26 CN CN202120210847.8U patent/CN215357209U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116165966A (en) * | 2023-04-21 | 2023-05-26 | 沈阳精锐数控机床有限公司 | Informationized self-adaptive material regulation and control method and system for numerical control machine tool |
| CN116165966B (en) * | 2023-04-21 | 2023-07-07 | 沈阳精锐数控机床有限公司 | Informationized self-adaptive material regulation and control method and system for numerical control machine tool |
| CN116300777A (en) * | 2023-05-25 | 2023-06-23 | 湖北工业大学 | Modularized modeling method and system for intelligent industrial production line |
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