CN119589484A - Automatic processing system for differential case - Google Patents

Abstract

The invention provides an automatic processing system for a differential case, which comprises a blank feeding device, a mechanical arm, a processing device, a measuring device and a blanking device, wherein the blank feeding device is provided with a storage station and is used for conveying a workpiece to be processed to the storage station, the mechanical arm is arranged adjacent to the blank feeding device, the processing device is arranged adjacent to the blank feeding device and the mechanical arm, the measuring device is arranged adjacent to the mechanical arm and the processing device, the blanking device is arranged adjacent to the mechanical arm, the mechanical arm is used for clamping the workpiece to be processed on the storage station on the processing device so as to enable the processing device to process the workpiece to be processed to obtain a finished workpiece, the mechanical arm is also used for clamping the finished workpiece on the measuring device so as to enable the measuring device to detect whether the finished workpiece is qualified or not, and to obtain a qualified workpiece and a non-qualified workpiece, and the mechanical arm is used for respectively arranging the qualified workpiece and the non-qualified workpiece on the blanking device.

Description

Automatic processing system for differential case

Technical Field

The invention relates to the technical field of automatic processing, in particular to an automatic processing system for a differential case.

Background

The existing machining production line of the differential case has low automation capability and high labor intensity of manual operation, a paper report is used as a carrier for workpiece detection through three-coordinate measurement data, and the workpiece detection is subjected to program adjustment according to experience after being manually read by a technician, so that the workpiece is required to be analyzed and adjusted by an operator, the operator is subjected to inspection, the quality of the product is ensured to be qualified, and the existing manual measurement-adjustment mode has the defects of long period, low efficiency and inaccuracy, incompleteness and inefficiency.

In view of the above problems, no effective solution has been proposed at present.

Disclosure of Invention

The invention mainly aims to provide an automatic processing system for a differential case, which is used for solving the problems of long period and low efficiency caused by manual measurement and adjustment in the prior art.

In order to achieve the above object, according to one aspect of the present invention, an automated processing system for a differential case is provided. The automatic machining system for the differential case comprises a blank feeding device, a mechanical arm, a machining device, a measuring device, a blanking device and a manipulator, wherein the blank feeding device is provided with a storage station and is used for conveying a workpiece to be machined to the storage station, the mechanical arm is arranged adjacent to the blank feeding device, the machining device is arranged adjacent to the blank feeding device and the mechanical arm, the measuring device is arranged adjacent to the mechanical arm and the machining device, the blanking device is arranged adjacent to the mechanical arm, the mechanical arm is used for clamping the workpiece to be machined on the storage station on the machining device so that the machining device can process the workpiece to be machined to obtain a finished workpiece, the mechanical arm is also used for clamping the finished workpiece on the measuring device so that the measuring device can detect whether the finished workpiece is qualified or not to obtain a qualified workpiece and a non-qualified workpiece, and the mechanical arm is used for respectively arranging the qualified workpiece and the non-qualified workpiece on the blanking device.

The machining device comprises a frame, a feeding assembly, a discharging assembly, a main shaft assembly and a machining tool, wherein the feeding assembly is connected with the frame, a mechanical arm is used for clamping a workpiece to be machined on a storage station on the feeding assembly, the discharging assembly is arranged adjacent to the discharging assembly, the discharging assembly is connected with the frame, the main shaft assembly comprises a first machine tool main shaft and a second machine tool main shaft, the first machine tool main shaft and the second machine tool main shaft are movably connected with the frame, the machining tool is arranged on one side, close to the main shaft assembly, of the frame, the first machine tool main shaft is provided with a first clamping state for clamping the workpiece to be machined, the machining tool can be used for carrying out primary machining on the workpiece to be machined, the second machine tool main shaft is provided with a second clamping state for clamping the workpiece to be secondarily machined, and the machining tool can be used for carrying out secondary machining on the workpiece to be secondarily machined, so that a finished workpiece is obtained.

The processing device further comprises a positioning measurement assembly, a control assembly and a control assembly, wherein at least part of the positioning measurement assembly is positioned on the feeding assembly, the other part of the positioning measurement assembly is positioned on the main shaft assembly, the at least part of the positioning measurement assembly is used for collecting angular position information of a workpiece to be processed, the positioning measurement assembly is electrically connected with the control assembly, the control assembly generates a first control instruction based on the angular position information, and the first control instruction is used for controlling the main shaft of the second machine tool to carry out positioning clamping compensation on the workpiece to be processed.

The machining device further comprises an inner machine tool measuring head which is arranged on the frame in a telescopic mode, the inner machine tool measuring head is arranged close to the first machine tool spindle, the inner machine tool measuring head is used for measuring size information of a workpiece to be machined secondarily, clamped by the first machine tool spindle, the inner machine tool measuring head is electrically connected with the control assembly, the control assembly generates machining allowance information based on the size information, and the control assembly generates a machining strategy based on the machining allowance information, wherein the machining strategy is used for controlling the machining tool to perform rough machining and finish machining on the workpiece to be machined secondarily.

The machining device further comprises a workpiece overturning assembly, wherein the workpiece overturning assembly is arranged between the feeding assembly and the discharging assembly, the workpiece overturning assembly is used for overturning a workpiece to be secondarily machined after primary machining is completed, the first machine tool spindle is provided with a first clamping state which moves to the feeding assembly and clamps the workpiece to be machined, the first machine tool spindle is provided with a first releasing state which moves to the workpiece overturning assembly and releases the workpiece to be secondarily machined, the second machine tool spindle is provided with a second clamping state which moves to the workpiece overturning assembly and clamps the workpiece to be secondarily machined after overturning, and the second machine tool spindle is provided with a second releasing state which moves to the discharging assembly and releases a finished workpiece.

Further, the feeding assembly comprises a machine tool feeding channel, a machine tool feeding position and a main shaft grabbing position are arranged on the machine tool feeding channel, the main shaft grabbing position is arranged on one side close to the main shaft of the first machine tool, the machine tool feeding position is arranged on one side far away from the main shaft of the first machine tool, the mechanical arm is used for clamping a workpiece to be processed on the storage station on the machine tool feeding position, and the machine tool feeding channel is used for conveying the workpiece to be processed to the main shaft grabbing position.

Further, the blanking assembly comprises a machine tool blanking channel, wherein the machine tool blanking channel is provided with a machine tool blanking position and a finished product blanking position, the machine tool blanking position is arranged on one side close to a second machine tool spindle, the finished product blanking position is arranged on one side far away from the second machine tool spindle, the second machine tool spindle is provided with a second release state which moves to the machine tool blanking position and releases the finished product workpiece, and the machine tool blanking channel is used for conveying the finished product workpiece to the finished product blanking position.

Further, a measuring station is further arranged on the machine tool feeding channel, the measuring station is arranged between the machine tool feeding level and the main shaft grabbing position, the positioning and measuring assembly comprises a visual sensor, a ranging sensor and a ranging sensor, the visual sensor is arranged on the measuring station and is used for collecting angular position information of a workpiece to be processed, the visual sensor is electrically connected with the control assembly, the ranging sensor is arranged on the first machine tool main shaft and is used for detecting the distance between a clamping jaw of the first machine tool main shaft and the workpiece to be processed.

The measuring device further comprises a measuring machine, a measuring position is arranged on the measuring machine, the manipulator is used for clamping the finished workpiece on the finished product discharging position on the measuring position, the measuring machine is electrically connected with the control component, the measuring machine is used for measuring the size information of the finished workpiece and generating data deviation information based on the size information, the control component generates a second control instruction based on the data deviation information, and the second control instruction is used for controlling the machining tool to carry out position correction.

The blank feeding device comprises a blank feeding channel, an information acquisition unit and a detection switch, wherein a blank feeding level and a storage station are arranged on the blank feeding channel, the blank feeding level is arranged at one end of the blank feeding channel, the storage station is arranged at the other end of the blank feeding channel, the information acquisition unit is arranged at one side of the storage station and is used for acquiring basic information of a workpiece to be processed, the basic information at least comprises height information and outer diameter information, and the detection switch is arranged at one side of the storage station and is used for detecting whether the workpiece to be processed is in place or not.

By applying the technical scheme of the invention, the system automatically feeds and feeds materials through the manipulator and automatically measures by adopting the measuring device, so that manual intervention is reduced, the processing speed and the production efficiency can be improved, the measuring device is in communication connection with the processing device, the size information of a finished workpiece can be detected in real time, the measured data can be transmitted to the processing device in real time, and the processing device can perform data analysis and compensation processing, thereby ensuring the accuracy of the processing size of the workpiece, effectively reducing the rejection rate caused by size deviation and improving the product quality.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

FIG. 1 shows a schematic structural view of a first embodiment of an automated processing system for differential shells according to the present disclosure;

fig. 2 shows a schematic structural view of a first embodiment of a machining device of an automated machining system for differential shells according to the invention;

fig. 3 shows a schematic structural view of a second embodiment of a machining device of an automated machining system for differential shells according to the invention;

Fig. 4 shows a schematic structural view of a third embodiment of a machining device of an automated machining system for differential shells according to the invention;

Fig. 5 shows a schematic structural view of a blank feeding device for an automated processing system for differential cases according to the present invention;

FIG. 6 shows a schematic structural view of a measurement device of an automated processing system for differential shells according to the present disclosure;

Fig. 7 shows a schematic structural view of a robot arm of a machining device of an automated machining system for differential cases according to the present invention;

fig. 8 shows a schematic structural view of a blanking device of a processing device of an automated processing system for differential shells according to the present invention;

FIG. 9 shows a schematic structural view of workpiece processing for an automated processing system for differential carrier in accordance with the present invention;

Fig. 10 shows a schematic structural view of a machining tool of an automated machining system for differential cases according to the present invention.

Wherein the above figures include the following reference numerals:

100. blank feeding device, blank feeding channel, blank feeding level, storage station, height sensor, outer diameter sensor, detection switch and detection switch;

200. a manipulator; 7, a robot, 8 clamping jaws, 9, a third ranging sensor;

300. a processing device;

301. The device comprises a feeding assembly, a machine tool feeding channel, a 14, a second ranging sensor, a 15, a first ranging sensor, a 16, a machine tool feeding level, a 17, a measuring station, a 18 and a main shaft grabbing position, wherein the machine tool feeding channel is arranged on the machine tool feeding channel;

302. A blanking assembly; the machine tool blanking channel is 22, the machine tool blanking position is 20, and the finished product blanking position is 23;

12. 13, a second machine tool spindle;

31. measuring head in machine tool;

19. A workpiece overturning assembly;

400. the measuring device comprises a measuring device, a measuring machine, a measuring position and a measuring position;

500. the blanking device comprises a blanking device, a blanking channel of qualified products, a blanking channel of non-qualified products and a blanking channel of qualified products;

51. Rough machining cutter; 52, finishing tools, 53, drilling tools;

54. 55, end surface rough machining knife edges;

56. a roughing edge of the lower end surface of the inner hole, 57, a roughing edge of the inner hole;

58. the outer circle finishing edge, 59, the end finishing edge;

60. the inner hole lower end face finish machining knife edge is 61, the inner hole finish machining knife edge is 62, the drilling knife edge;

63. the end face rough machining surface is 64, the end face finish machining surface;

65. 66, finishing the outer circle;

67. rough machining of the inner hole; 68, finishing the inner hole, 69, through holes;

71. The inner hole rough machining lower end face, 72, the inner hole finish machining lower end face;

30. A workpiece.

Detailed Description

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.

Referring to fig. 1-10, an automated processing system for differential shells is provided according to an embodiment of the present invention.

Specifically, as shown in fig. 1, the automatic processing system for the differential case comprises a blank feeding device 100, wherein the blank feeding device 100 is provided with a storage station 3, the blank feeding device 100 is used for conveying a workpiece to be processed to the storage station 3, a manipulator 200, the manipulator 200 is arranged adjacent to the blank feeding device 100, a processing device 300, the processing device 300 is arranged adjacent to the blank feeding device 100 and the manipulator 200, a measuring device 400, the measuring device 400 is arranged adjacent to the manipulator 200 and the processing device 300, the measuring device 400 is in communication connection with the processing device 300, a blanking device 500 and the blanking device 500 are arranged adjacent to the manipulator 200, the manipulator 200 is used for clamping the workpiece to be processed on the storage station 3 on the processing device 300 so that the processing device 300 can process the workpiece to be processed to obtain a finished workpiece, the manipulator 200 is also used for clamping the finished workpiece on the measuring device 400 so that the measuring device 400 measures the dimension information of the finished workpiece to obtain a qualified workpiece and a non-qualified workpiece, and the manipulator 200 is used for respectively arranging the qualified workpiece and the non-qualified workpiece on the blanking device 500.

In this embodiment, this system is through manipulator 200 automatic feeding, unloading to and adopt measuring device 400 automatic measurement, reduced manual intervention, can promote process speed, production efficiency, measuring device 400 and processingequipment 300 communication are connected, can detect the size information of finished product work piece in real time, and transmit the measurement data to processingequipment 300 in real time, processing equipment 300 can carry out data analysis and compensation processing, thereby ensured the accuracy of work piece processing size, effectively reduced the rejection rate because of the size deviation leads to, promoted product quality.

The machining device comprises a frame, a feeding assembly 301, a discharging assembly 302, a main shaft assembly and a machining tool, wherein the feeding assembly 301 is connected with the frame, the manipulator 200 is used for clamping a workpiece to be machined on a storage station 3 on the feeding assembly 301, the feeding assembly 301 is arranged adjacent to the discharging assembly 302, the discharging assembly 302 is connected with the frame, the main shaft assembly comprises a first machine tool main shaft 12 and a second machine tool main shaft 13, the first machine tool main shaft 12 and the second machine tool main shaft 13 are movably connected with the frame, the machining tool is arranged on one side, close to the main shaft assembly, of the frame, the first machine tool main shaft 12 is provided with a first clamping state for clamping the workpiece to be machined, the machining tool can be used for carrying out primary machining on the workpiece to be machined to obtain a workpiece to be machined secondarily, and the second machine tool main shaft 13 is provided with a second clamping state for clamping the workpiece to be machined secondarily, and a finished workpiece is obtained.

Through the arrangement of the first machine tool spindle and the second machine tool spindle, multiple-working-procedure machining of workpieces can be achieved, transfer among working procedures is not needed by manpower or an additional manipulator, and continuity and efficiency of a machining process are effectively improved. After the primary machining is finished on the first machine tool spindle, the workpiece is automatically transferred to the second machine tool spindle by the manipulator for secondary machining, so that the machining precision of a final finished product is improved, and positioning errors caused by workpiece transmission are reduced. The primary processing and the secondary processing can be continuously carried out in the same processing device, so that the time and energy for transferring workpieces among different devices are avoided, the whole processing period is greatly shortened, and the production efficiency is improved.

Further, the processing device further comprises a positioning and measuring assembly, a control assembly and a control assembly, wherein at least part of the positioning and measuring assembly is positioned on the feeding assembly 301, the other part of the positioning and measuring assembly is positioned on the main shaft assembly, at least part of the positioning and measuring assembly is used for collecting angular position information of a workpiece to be processed, the positioning and measuring assembly is electrically connected with the control assembly, the control assembly generates a first control instruction based on the angular position information, and the first control instruction is used for controlling the second machine tool main shaft 13 to perform positioning, clamping and compensation on the workpiece to be processed.

In particular, the control assembly generates a first control command for positioning clamping compensation of the workpiece by the second machine spindle based on the angular position information. The intelligent compensation mechanism can automatically adjust the angular position of the workpiece, eliminate the initial position deviation, and enable the machining tool to machine the accurate position of the workpiece, thereby ensuring consistency and accuracy of machining dimensions, reducing machining errors caused by the initial position deviation of the workpiece, reducing rejection rate, improving the utilization rate of materials, and further saving production cost.

As shown in fig. 4, the processing device further comprises an internal machine tool measuring head 31, the internal machine tool measuring head 31 is telescopically arranged on the frame, the internal machine tool measuring head 31 is arranged close to the first machine tool spindle 12, the internal machine tool measuring head 31 is used for measuring the size information of the workpiece to be processed secondarily clamped by the first machine tool spindle 12, the internal machine tool measuring head 31 is electrically connected with a control component, the control component generates processing allowance information based on the size information, and the control component generates a processing strategy based on the processing allowance information, wherein the processing strategy is used for controlling the processing tool to perform rough processing and finish processing on the workpiece to be processed secondarily.

The measuring head in the machine tool can measure the real-time size of the workpiece to be processed secondarily on the first machine tool spindle, so that the processing device can acquire the processing allowance information of the workpiece in real time, and accurate data are provided for subsequent processing. The control component generates a processing strategy according to the measurement result, and can dynamically adjust the path and parameters of the processing tool to ensure the processing precision. Based on the machining allowance information, the control assembly can intelligently judge whether the workpiece needs to be subjected to rough machining or finish machining. The intelligent processing strategy is selected, unnecessary processing steps are avoided, and the cutter and the processing time are saved.

Specifically, when the machining allowance exceeds the process limit value, the machine tool automatically adopts a process scheme of rough machining and then finish machining, and when the machining allowance is smaller than the process limit value, the machine tool automatically adopts a process scheme of finish machining. And when the machining allowance exceeds the process limit value, the machine tool automatically adopts a process scheme of rough machining and then finish machining.

As shown in fig. 9 and 10, the end surface roughing edge 55 of the roughing tool 51 is used for machining the end surface roughing surface 63 of the workpiece 30, the outer circle roughing edge 54 of the roughing tool 51 is used for machining the outer circle roughing surface 65 of the workpiece 30, the inner hole lower end surface roughing edge 56 of the roughing tool 51 is used for machining the inner hole roughing lower end surface 71 of the workpiece 30, and the inner hole roughing edge 57 of the roughing tool 51 is used for machining the inner hole roughing surface 67 of the workpiece 30. The end finishing edge 59 of the finishing tool 52 is used for machining an end finishing surface 64 of the workpiece 30, the outer round finishing edge 58 of the finishing tool 52 is used for machining an outer round finishing surface 66 of the workpiece 30, the inner hole lower end finishing edge 60 of the finishing tool 52 is used for machining an inner hole finishing lower end surface 72 of the workpiece 30, and the inner hole finishing edge 61 of the finishing tool 52 is used for machining an inner hole finishing surface 68 of the workpiece 30. The drill edge 62 of the drill tool 53 is used to machine a through hole 69 of the workpiece 30.

Further, the processing device further comprises a workpiece overturning assembly 19, wherein the workpiece overturning assembly 19 is arranged between the feeding assembly 301 and the discharging assembly 302, the workpiece overturning assembly 19 is used for overturning a workpiece to be processed secondarily after primary processing is completed, the first machine tool spindle 12 is provided with a first clamping state which moves to the feeding assembly 301 and clamps the workpiece to be processed, the first machine tool spindle 12 is provided with a first releasing state which moves to the workpiece overturning assembly 19 and releases the workpiece to be processed secondarily, the second machine tool spindle 13 is provided with a second clamping state which moves to the workpiece overturning assembly 19 and clamps the workpiece to be processed secondarily after overturning, and the second machine tool spindle 13 is provided with a second releasing state which moves to the discharging assembly 302 and releases a finished workpiece.

Through work piece upset subassembly, processingequipment can overturn the work piece voluntarily for first lathe main shaft and second lathe main shaft can process two different faces of work piece respectively, need not manual intervention, have shown the continuity and the efficiency that have improved the processing.

As shown in fig. 2, the feeding assembly 301 includes a machine tool feeding channel 21, a machine tool feeding level 16 and a spindle grabbing position 18 are arranged on the machine tool feeding channel 21, the spindle grabbing position 18 is arranged on one side close to the first machine tool spindle 12, the machine tool feeding level 16 is arranged on one side far away from the first machine tool spindle 12, the manipulator 200 is used for clamping a workpiece to be processed on the storage station 3 on the machine tool feeding level 16, and the machine tool feeding channel 21 is used for conveying the workpiece to be processed to the spindle grabbing position 18.

The machine tool feeding channel 21 is used as an automatic transmission channel, and can stably and accurately convey workpieces to be processed to the vicinity of the first machine tool main shaft 12 from the storage station, so that automatic feeding of the workpieces is realized, the time and error of manual feeding are effectively reduced, and the processing efficiency is improved. By further positioning the workpiece at the spindle pick-up location 18, the displacement of the workpiece during the transfer process can be minimized, thereby reducing machining errors and improving the machining accuracy and yield of the part. The cooperation of the manipulator 200 and the machine tool feeding channel 21 ensures that the workpiece feeding process almost does not need manual intervention, reduces the dependence on the skill of operators, and improves the reliability of the machining process.

Further, the blanking assembly 302 includes a machine tool blanking channel 22, wherein the machine tool blanking channel 22 is provided with a machine tool blanking level 20 and a finished product blanking level 23, the machine tool blanking level 20 is arranged at one side close to the second machine tool spindle 13, the finished product blanking level 23 is arranged at one side far away from the second machine tool spindle 13, the second machine tool spindle 13 has a second release state of moving to the machine tool blanking level 20 and releasing the finished product workpiece, and the machine tool blanking channel 22 is used for conveying the finished product workpiece to the finished product blanking level 23.

The automatic blanking process reduces the demands on operators, reduces the labor cost, reduces the production interruption caused by the manual blanking error, and improves the production continuity and efficiency.

As shown in fig. 3, the machine tool feeding channel 21 is further provided with a measuring station 17, the measuring station 17 is arranged between the machine tool feeding level 16 and the main shaft grabbing position 18, the positioning and measuring assembly comprises a visual sensor, a first distance measuring sensor 15 and a first distance measuring sensor 15, the visual sensor is arranged on the measuring station 17 and is used for collecting angular position information of a workpiece to be processed, the visual sensor is electrically connected with the control assembly, the first distance measuring sensor 15 is arranged on the first machine tool main shaft 12, and the first distance measuring sensor 15 is used for detecting the distance between a clamping jaw of the first machine tool main shaft 12 and the workpiece to be processed.

The visual sensor can accurately acquire angular position information of a workpiece to be processed, the positioning measurement assembly further comprises a second ranging sensor 14, and the second ranging sensor 14 and the first ranging sensor 15 are both used for detecting the distance between the clamping jaw of the first machine tool spindle 12 and the workpiece to be processed in real time so as to judge whether the clamping jaw clamps reliably or not, ensure accurate alignment of the workpiece in the subsequent processing process and reduce processing errors caused by angle deviation. The data that vision sensor and range sensor gathered can direct transmission give control module, and control module is based on these information intelligence generation control command, realizes the accurate snatch and the location to the work piece to and the accurate control of follow-up processing, has improved the intelligent level of processing.

As shown in fig. 6, the measuring device comprises a measuring machine 10, wherein a measuring position 11 is arranged on the measuring machine 10, a manipulator 200 is used for clamping a finished workpiece on a finished product discharging position 23 on the measuring position 11, the measuring machine 10 is electrically connected with a control component, the measuring machine 10 is used for measuring size information of the finished workpiece and generating data deviation information based on the size information, and the control component generates a second control instruction based on the data deviation information and is used for controlling a machining tool to carry out position correction.

The real-time size detection and correction can effectively reduce waste caused by size deviation, improve the yield and reduce the production cost.

Specifically, the steps for processing measurement data of a measuring machine by an automated processing system for differential case are as follows:

and S1, judging the standard size of the workpiece, namely judging whether the feedback data are qualified or not by the machine tool PLC (i.e. the control assembly) according to the upper limit value and the lower limit value of the standard size of the workpiece.

And S2, comparing and verifying the measured result, comparing the measured result with the upper limit value of the workpiece, skipping the comparison value to alarm when the comparison value is larger than the upper limit value, continuing to compare the comparison value with the lower limit value of the workpiece when the comparison value is smaller than the upper limit value, skipping the comparison value to alarm when the comparison value is smaller than the lower limit value, indicating that the workpiece is qualified when the comparison value is larger than the lower limit value, and calculating the measured result and the central line value of the workpiece to obtain a correction value.

And step S3, multiplying the correction value by a coefficient, namely multiplying the correction value calculated by the internal operation of the PLC by an empirical value coefficient, and storing the multiplied correction value into the internal variable of the PLC.

And S4, converting the internal variables into NC system internal variables through the FC21 functional block.

And S5, tool compensation, namely calculating internal variables of the NC system and related tool compensation values to generate tool compensation data.

As shown in fig. 5, the blank feeding device 100 comprises a blank feeding channel 1, a blank feeding level 2 and a storage station 3, wherein the blank feeding channel 1 is provided with the blank feeding level 2, the blank feeding level 2 is arranged at one end of the blank feeding channel 1, the storage station 3 is arranged at the other end of the blank feeding channel 1, an information acquisition unit is arranged at one side of the storage station 3 and is electrically connected with a control component, the information acquisition unit is used for acquiring basic information of a workpiece to be processed, the basic information at least comprises height information and outer diameter information, a detection switch 6 is arranged at one side of the storage station 3, and the detection switch 6 is used for detecting whether the workpiece to be processed is in place or not.

The information acquisition unit comprises a height sensor 4 and an outer diameter sensor 5, wherein the height sensor 4 is used for acquiring the height information of a workpiece to be processed, the outer diameter sensor is used for acquiring the outer diameter information of the workpiece to be processed, the control component generates preliminary processing instructions based on the height and outer diameter data of the workpiece, such as cutter selection, processing path planning and the like, intelligent preparation before processing is realized, and processing accuracy and efficiency are improved. The arrangement of the detection switch 6 ensures that the workpiece to be processed is correctly positioned on the storage station, avoids processing errors or equipment faults caused by inaccurate workpiece positions, and enhances the stability of the processing flow.

As shown in fig. 7, further, the manipulator 200 includes a robot 7, a gripper 8 provided on the robot 7, and a third distance measuring sensor 9, the third distance measuring sensor 9 being configured to detect a gripping distance of the gripper to grip a workpiece.

As shown in fig. 8, the blanking apparatus 500 includes a pass blanking passage 24 and a non-pass blanking passage 25, and the pass blanking passage 24 and the non-pass blanking passage 25 are disposed adjacently.

In another embodiment of the present application, the present application provides an automated processing method for a differential case, wherein a workpiece to be processed is fed to a storage station 3 through a blank feeding channel 1, a height sensor 4 and an outer diameter sensor 5 determine the type, a detection switch 6 determines that the blank is in place, a robot 7 provided with a clamping jaw 8 picks up the blank from the storage station 3 of the blank feeding channel 1, a third ranging sensor 9 determines that clamping is reliable after the robot 7 grabs the blank, the workpiece is positioned to a machine tool feeding level 16 on a machine tool feeding channel 21 of a processing device 300, the machine tool feeding channel 21 performs measurement on the blank to a measuring station 17, data is transmitted to a controller after the measurement is completed, the machine tool feeding channel 21 performs blank feeding to a spindle grabbing position 18, the controller calculates the blank angle, a position command is generated to position the first machine tool spindle 12 to complete workpiece positioning and clamping, the workpiece is processed by the processing machine tool, the first machine tool spindle 12 is positioned to a workpiece overturning assembly 19 after the workpiece is completed, the first machine tool spindle 12 unloads the workpiece to a safety position, the workpiece is positioned to a workpiece spindle 13 after the workpiece overturning assembly is unloaded, the workpiece is positioned to a workpiece overturning assembly is positioned to a workpiece unloading position at a machine tool spindle position 22, and the workpiece overturning assembly is positioned to a workpiece unloading position at a machine tool spindle position of a finished workpiece overturning machine tool station 22, and the workpiece is positioned to a workpiece unloading station 20. The robot 7 moves to a machine tool finished product blanking position 23 to pick up the workpiece to a measuring position 11 of the measuring machine 10, the robot 7 moves to a safety position, the measuring machine measures the workpiece, the measuring machine judges whether the workpiece is qualified after measuring, and transmits data to the central control system, the workpiece qualified robot 7 blanks the workpiece to a qualified product blanking channel 24, and the workpiece unqualified robot blanks the workpiece to a unqualified product blanking channel 25.

According to the invention, network communication data interaction is established between the measuring machine and the processing machine tool, the data are transmitted to the machine tool, after the machine tool evaluates the data quality risk, the effective data are added with the compensation coefficient to generate a final compensation value, the NC instructs the tool to correct the compensation parameter, the processing size is adjusted, the workpiece head piece detection is convenient, the measurement form of the measuring head in the machine is adopted, the allowance of the processed product before processing can be measured, the tool processing strategy is adjusted, the compensation value of the tool can be adjusted in time for correction processing after processing size measurement, and thus the product qualification rate is improved.

Spatially relative terms, such as "above," "upper" and "upper surface," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the process is carried out, the exemplary term "above" may be included. Upper and lower. Two orientations below. The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, references in the specification to "one embodiment," "another embodiment," "an embodiment," etc., indicate that the particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application, as generally described. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the application.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An automated processing system for differential shells, comprising:

The blank feeding device (100) is provided with a storage station (3), and the blank feeding device (100) is used for conveying a workpiece to be processed to the storage station (3);

The manipulator (200) is arranged adjacent to the blank feeding device (100);

A processing device (300), wherein the processing device (300) is arranged adjacent to the blank feeding device (100) and the manipulator (200);

a measuring device (400), wherein the measuring device (400) is arranged adjacent to the manipulator (200) and the processing device (300), and the measuring device (400) is in communication connection with the processing device (300);

The blanking device (500) is arranged adjacent to the manipulator (200);

The mechanical arm (200) is used for clamping the workpiece to be processed on the storage station (3) on the processing device (300), so that the processing device (300) processes the workpiece to be processed to obtain a finished workpiece, the mechanical arm (200) is also used for clamping the finished workpiece on the measuring device (400), so that the measuring device (400) measures the size information of the finished workpiece, and detects whether the finished workpiece is qualified or not to obtain a qualified workpiece and a non-qualified workpiece, and the mechanical arm (200) is used for respectively arranging the qualified workpiece and the non-qualified workpiece on the blanking device (500).

2. The automated processing system for differential shells of claim 1, wherein the processing device comprises:

A frame;

The feeding assembly (301), the feeding assembly (301) is connected with the rack, and the manipulator (200) is used for clamping the workpiece to be processed on the storage station (3) on the feeding assembly (301);

the feeding assembly (301) is arranged adjacent to the discharging assembly (302), and the discharging assembly (302) is connected with the rack;

a spindle assembly comprising a first machine tool spindle (12) and a second machine tool spindle (13), the first machine tool spindle (12), the second machine tool spindle (13) being movably connected with the frame;

the machining tool is arranged on one side, close to the spindle assembly, of the frame;

The first machine tool spindle (12) has a first clamping state for clamping the workpiece to be machined, the machining tool can perform primary machining on the workpiece to be machined to obtain a workpiece to be secondarily machined, the second machine tool spindle (13) has a second clamping state for clamping the workpiece to be secondarily machined, and the machining tool can perform secondary machining on the workpiece to be secondarily machined to obtain the finished workpiece.

3. The automated processing system for differential shells of claim 2, wherein the processing device further comprises:

the positioning measurement assembly is positioned on the feeding assembly (301), the other part of the positioning measurement assembly is positioned on the main shaft assembly, and at least part of the positioning measurement assembly is used for collecting angular position information of the workpiece to be processed;

the positioning measurement assembly is electrically connected with the control assembly, the control assembly generates a first control instruction based on the angular position information, and the first control instruction is used for controlling the second machine tool spindle (13) to perform positioning, clamping and compensation on the workpiece to be processed.

4. The automated processing system for differential shells according to claim 3, wherein the processing device further comprises:

The machine tool inner measuring head (31), the machine tool inner measuring head (31) telescopically set up in the frame, the machine tool inner measuring head (31) is close to first lathe main shaft (12) setting, the machine tool inner measuring head (31) is used for measuring first lathe main shaft (12) centre gripping wait the size information of secondary machining work piece, in the machine tool measuring head (31) with control assembly electric connection, control assembly is based on size information generates the processing allowance information, control assembly is based on processing allowance information generates the processing strategy, wherein, the processing strategy is used for controlling the processing cutter to wait that secondary machining work piece carries out rough machining and finish machining.

5. The automated processing system for differential shells according to claim 3, wherein the processing device further comprises:

the workpiece overturning assembly (19), the workpiece overturning assembly (19) is arranged between the feeding assembly (301) and the discharging assembly (302), and the workpiece overturning assembly (19) is used for overturning the workpiece to be processed secondarily after primary processing is completed;

Wherein the first machine tool spindle (12) has a first clamping state of moving to the feeding assembly (301) and clamping the workpiece to be machined, and the first machine tool spindle (12) has a first releasing state of moving to the workpiece overturning assembly (19) and releasing the workpiece to be machined secondarily;

The second machine tool spindle (13) has the second clamping state of moving to the workpiece overturning assembly (19) and clamping the overturned workpiece to be processed secondarily, and the second machine tool spindle (13) has the second releasing state of moving to the blanking assembly (302) and releasing the finished workpiece.

6. The automated processing system for differential shells according to claim 5, characterized in that the feeding assembly (301) comprises a machine tool feeding channel (21), a machine tool feeding level (16) and a spindle grabbing position (18) are arranged on the machine tool feeding channel (21), the spindle grabbing position (18) is arranged on one side close to the first machine tool spindle (12), the machine tool feeding level (16) is arranged on one side far away from the first machine tool spindle (12), the manipulator (200) is used for clamping a workpiece to be processed on the storage station (3) on the machine tool feeding level (16), and the machine tool feeding channel (21) is used for conveying the workpiece to be processed to the spindle grabbing position (18).

7. The automated processing system for differential shells according to claim 5, wherein,

The blanking assembly (302) comprises a machine tool blanking channel (22), wherein a machine tool blanking level (20) and a finished product blanking level (23) are arranged on the machine tool blanking channel (22), the machine tool blanking level (20) is arranged on one side close to the second machine tool spindle (13), the finished product blanking level (23) is arranged on one side far away from the second machine tool spindle (13), the second machine tool spindle (13) is provided with a second release state which moves to the machine tool blanking level (20) and releases the finished product workpiece, and the machine tool blanking channel (22) is used for conveying the finished product workpiece to the finished product blanking level (23).

8. The automated processing system for differential shells according to claim 6, characterized in that the machine tool loading channel (21) is further provided with a measuring station (17), the measuring station (17) being arranged between the machine tool loading level (16) and a spindle grabbing position (18), the positioning and measuring assembly comprising:

the visual sensor is arranged on the measuring station (17) and is used for collecting angular position information of the workpiece to be processed, and the visual sensor is electrically connected with the control assembly;

The first distance measuring sensor (15), the first distance measuring sensor (15) set up in on the first lathe main shaft (12), first distance measuring sensor (15) are used for detecting the clamping jaw of first lathe main shaft (12) with wait to process the distance of work piece.

9. The automated processing system for differential shells according to claim 7, characterized in that the measuring device comprises a measuring machine (10), a measuring station (11) is arranged on the measuring machine (10), the manipulator (200) is used for clamping the finished workpiece on the finished blanking level (23) on the measuring station (11), the measuring machine (10) is electrically connected with the control assembly, the measuring machine (10) is used for measuring size information of the finished workpiece and generating data deviation information based on the size information, and the control assembly generates a second control instruction based on the data deviation information and is used for controlling a processing cutter to carry out position correction.

10. An automated processing system for differential shells according to claim 3, characterized in that the blank feeding device (100) comprises:

The automatic feeding device comprises a blank feeding channel (1), wherein a blank feeding level (2) and a storage station (3) are arranged on the blank feeding channel (1), the blank feeding level (2) is arranged at one end of the blank feeding channel (1), and the storage station (3) is arranged at the other end of the blank feeding channel (1);

The information acquisition unit is arranged on one side of the storage station (3), is electrically connected with the control assembly and is used for acquiring basic information of the workpiece to be processed, and the basic information at least comprises height information and outer diameter information;

The detection switch (6), detection switch (6) set up in one side of depositing station (3), detection switch (6) are used for detecting whether wait to process the work piece and put in place.