CN114734272B - Rotary type cross beam workbench - Google Patents
Rotary type cross beam workbench Download PDFInfo
- Publication number
- CN114734272B CN114734272B CN202210569034.7A CN202210569034A CN114734272B CN 114734272 B CN114734272 B CN 114734272B CN 202210569034 A CN202210569034 A CN 202210569034A CN 114734272 B CN114734272 B CN 114734272B
- Authority
- CN
- China
- Prior art keywords
- rotary
- sleeve
- driven
- workbench
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/121—Arrangements for cooling or lubricating parts of the machine with lubricating effect for reducing friction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The rotary beam workbench comprises a beam rotary table and a rotary power assembly for driving the beam rotary table to rotate, and is characterized in that: the beam rotary table is provided with rotary tables capable of rotating, the rotary tables are parallel to the beam rotary table and are distributed uniformly in the circumferential direction of the beam rotary table, workpieces are clamped on the rotary tables, and the rotary power assembly and the rotary tables are controlled by a control system. The invention realizes the alternate rotation of the work station and the automatic change of the orientation of the workpiece, the rotary workbench has two rotation degrees of freedom of revolution and rotation, the workbench with high space utilization rate and compact structure is formed, the workpiece can be processed in multiple stations and multiple directions by one-time clamping, the automation level of the workpiece processing is improved, the labor intensity is reduced, the space utilization rate of the rotary beam workbench is improved, the multi-station high-efficiency high-precision processing is realized, and the precision and the reliability of the workpiece processing are improved.
Description
Technical Field
The invention relates to a rotary beam workbench which is used for multi-station and multi-angle machining of workpieces.
Background
In the process of machining and manufacturing workpieces, the workpieces are mostly required to be drilled, ground, wedge-shaped pieces assembled and the like on different inclined planes. In order to facilitate operation and ensure quality, assembly equipment is often used for clamping a workpiece, and then fine machining is performed on a selected machining position. The existing assembly equipment is complicated in overturning operation of the workpiece, even manual auxiliary operation is needed, so that assembly is inconvenient, labor intensity of workers is high, certain potential safety hazards exist, overturning precision is low, and assembly quality is low. With the development of the mechanical industry, the accurate and rapid indexing by using a numerical control turntable has become an essential ring in the technical processing process. The main defects of the existing numerical control turntable are as follows:
1. the rotary worktable is provided with only one workpiece mounting table, so that the workpiece processing and the workpiece mounting cannot be performed simultaneously when the machine tool runs, and the efficiency is low;
2. the workpiece mounting table of the rotary workbench has poor workpiece azimuth and angle adjustment flexibility, and the single-station machining efficiency is low;
3. the traditional rotary worktable adopts the traditional power transmission modes such as a speed reducer or a worm gear and the like, has larger volume and lower precision;
4. because the revolving worktable has high rotating speed, more internal bearings and other structures, overlarge volume and inconvenient installation and design.
Disclosure of Invention
The rotary type beam workbench provided by the invention realizes the alternate rotation of the stations and the automatic change of the orientation of the workpiece, the rotary workbench has two rotation degrees of freedom of revolution and rotation, the workbench with high space utilization rate and compact structure is formed, the workpiece can be processed in multiple stations and multiple directions by one-time clamping, the automation level of the workpiece processing is improved, the labor intensity is reduced, the space utilization rate of the rotary type beam workbench is improved, the multi-station multi-direction high-efficiency high-precision processing is realized, and the precision and reliability of the multi-direction processing of the workpiece are improved.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the rotary beam workbench comprises a beam rotary table and a rotary power assembly for driving the beam rotary table to rotate, and is characterized in that: the beam rotary table is provided with rotary tables capable of rotating, the rotary tables are parallel to the beam rotary table and are distributed uniformly in the circumferential direction of the beam rotary table, workpieces are clamped on the rotary tables, and the rotary power assembly and the rotary tables are controlled by a control system.
Preferably, the beam rotary table comprises a beam, a main mounting disc arranged at one end of the beam and a sub mounting disc arranged at the other end of the beam, wherein the main mounting disc and the sub mounting disc are coaxially aligned and integrally formed with the beam, the rotary power assembly is coaxially connected with the main mounting disc, and the rotary table is parallel to the beam and is arranged between the main mounting disc and the sub mounting disc.
Preferably, the rotary power assembly comprises a servo motor, a speed reducer arranged on an output shaft of the servo motor, a shell sleeved outside the speed reducer, and an output shaft coaxially connected with an output end of the speed reducer, wherein the output shaft extends out of the shell and is coaxially connected with a main mounting disc, the output shaft is in a T shape, a small end of the output shaft extends into the shell and is connected with the speed reducer, a large end of the output shaft extends out of the shell, and a retainer needle bearing for radially supporting the shell and a retainer thrust roller bearing for axially separating the shell from the output end are sleeved on the small end of the output shaft.
Preferably, the rotary workbench comprises a workbench parallel to the cross beam and a rotary power assembly for driving the workbench to rotate, the rotary power assembly is arranged on the main mounting disc, one end of the workbench is connected with the rotary power assembly, the other end of the workbench is connected with the sub mounting disc, and the workbench rotates along with the driving of the rotary power assembly.
Preferably, the main mounting plate is provided with a mounting round hole, the rotary power assembly is arranged in the mounting round hole and comprises a torque motor positioned in the mounting round hole, a stator fixedly connected assembly fixedly connected with a stator of the torque motor and a rotary support assembly fixedly connected with a rotor of the torque motor, wherein the stator fixedly connected assembly is coaxially and rotatably connected with the rotary support assembly, and the rotary support assembly is fixedly connected with the workbench.
Preferably, the stator fixedly-connecting assembly comprises a hydraulic oil way transmission sleeve and an end cover, wherein a lubricating oil way is formed between the hydraulic oil way transmission sleeve and the rotation support assembly, the end cover is coaxially sleeved on the hydraulic oil way transmission sleeve and is coaxially fixed with a stator of the torque motor, the rotation support assembly comprises a rotating shaft fixedly connected with a rotor of the torque motor and fixedly connected with a workbench, an oil sealing sleeve coaxially fixed on the rotating shaft and an inner shaft fixed in the oil sealing sleeve, the rotating shaft is provided with a hollow inner cavity matched with the oil sealing sleeve, the oil sealing sleeve stretches into the inner cavity of the middle cavity and contacts with a cavity wall, the hydraulic oil way transmission sleeve stretches into the hollow inner cavity in clearance fit and is coaxially arranged at the periphery of the oil sealing sleeve, and a lubricating oil way is formed between the hydraulic oil way transmission sleeve and the oil sealing sleeve.
Preferably, the inner end of the inner shaft is pressed into the oil sealing sleeve and is axially matched with the oil sealing sleeve in a positioning way, the outer end of the inner shaft extends out of the oil sealing sleeve and is sleeved with an encoder connected with the torque motor, the inner shaft is sleeved with a deep groove ball bearing which radially supports the hydraulic oil way transmission sleeve, the end cover is coaxially fixed with a stator of the torque motor through a bearing fixing piece, the rotary shaft is sleeved with a rotary table bearing, the outer ring of the rotary table bearing is assembled with the bearing fixing piece, and the inner ring is assembled with the rotary shaft.
Preferably, the workbench is connected with the sub-mounting plate through the driven rotating assembly, the sub-mounting plate is provided with a driven mounting hole, the driven rotating assembly is arranged in the driven mounting hole and comprises a driven fixing seat fixed with the sub-mounting plate, a driven rotating shaft fixedly connected with the workbench and a hydraulic brake assembly for braking the driven rotating shaft, the driven fixing seat is sleeved outside the driven rotating shaft, a radial support bearing is assembled between the driven rotating shaft and the driven fixing seat, and the hydraulic brake assembly is coaxially arranged in the driven fixing seat and in clearance fit with the driven rotating shaft and deforms along with the input of hydraulic oil to hold the driven rotating shaft tightly.
Preferably, the driven fixing seat comprises a driven axial sleeve sleeved outside the driven rotating shaft and a driven radial sleeve coaxially fixed at one end of the driven axial sleeve, the radial support bearing is assembled between the driven axial sleeve and the driven rotating shaft, the hydraulic brake assembly comprises a deformable brake sleeve and an expansion sleeve with elastic modulus smaller than that of the brake sleeve and sleeved on the brake sleeve, the brake sleeve is in clearance fit with the driven rotating shaft, the expansion sleeve is attached to the inner wall of the driven axial sleeve, one end of the brake sleeve is provided with a radial flanging, the radial flanging extends between the driven axial sleeve and the driven radial sleeve and is fixed with the driven axial sleeve and the driven radial sleeve through screws, the driven axial sleeve is provided with an oil input hole along the radial direction, the expansion sleeve is provided with an oil storage ring groove communicated with the oil input hole, oil enters into the oil storage ring groove from the oil input hole, and deforms to squeeze the brake sleeve along with the increase of the oil liquid amount, so that the brake sleeve is pressed to clamp the driven rotating shaft.
Preferably, the brake sleeve is provided with an annular mounting groove which is axially arranged, the expansion sleeve is positioned in the annular mounting groove, a positioning cylinder is coaxially fixed in the driven radial sleeve, the driven rotating shaft is provided with a weight reduction cavity, the positioning cylinder coaxially stretches into the weight reduction cavity, the positioning cylinder is provided with an annular positioning groove, the inner wall of the weight reduction cavity is provided with a positioning bulge corresponding to the annular positioning groove, the positioning bulge stretches into the annular positioning groove, and a radial support bearing is arranged between the driven radial sleeve and the driven rotating shaft, so that the positioning bulge is not contacted with the groove wall of the annular positioning groove.
The invention has the beneficial effects that:
1. the rotary beam workbench is arranged on the beam rotary table and is uniformly distributed in the circumferential direction of the beam rotary table, the rotary power assembly drives the beam rotary table to rotate, so that a plurality of rotary tables synchronously rotate to different stations, workpieces on each rotary table finish corresponding machining procedures on the respective stations, synchronous machining of multiple stations and multiple procedures is realized, repeated clamping of the workpieces during station replacement is avoided, machining efficiency is improved, the rotary table can rotate, the workpieces are clamped on the rotary table, automatic change of the positions is realized through rotation of the rotary workpiece table, machining of the workpieces on one station is realized, the flexibility of workpiece machining on the station is improved, the moving space requirement of a machining device tool is reduced, the alternating rotation of the stations and the automatic change of the positions of the workpieces are realized, the rotary table has two rotational degrees of freedom in revolution and rotation, the workpieces can be machined in one time, the automation level of workpiece machining is improved, the labor intensity is reduced, the space utilization rate of the rotary beam workbench is improved, and multi-station high-efficiency and high-precision machining is realized.
2. The beam rotary table comprises a beam, a main mounting disc, a sub mounting disc, a rotary power assembly, a rotary working table, a rotary power assembly, a main mounting disc and a sub mounting disc, wherein the beam, the main mounting disc and the sub mounting disc are integrally formed in the beam rotary table, the rotary power assembly is coaxially connected with the main mounting disc, the rotary working table is driven to rotate to different stations, the main mounting disc and the sub mounting disc support and position the rotary working table, a rotation space of the rotary working table is formed between the main mounting disc and the sub mounting disc, the space utilization rate is high, the working table is compact in structure, an output shaft coaxially connected with the main mounting disc bears radial load through a retainer needle bearing, the axial load is borne through a retainer thrust roller bearing, the load of the output shaft in the torque transmission process is reduced, the output shaft and the main mounting disc are not deflected in coaxial alignment in the operation process is guaranteed, the reliability of torque transmission is improved, the rotary working table is high in rotation stability, the rotary working table is accurately rotated to the corresponding stations, and the position accuracy of workpieces on the stations is improved.
3. One end of a workbench in the rotary workbench is connected with a rotary power assembly, the other end of the workbench is connected with a sub-mounting plate, the rotary power assembly drives the workbench to rotate, the rotary power assembly is powered by a torque motor, the high-precision characteristic of the torque motor is utilized, the precision of the rotary angle of the workbench is guaranteed, a stator fixedly-connected assembly and a rotary support assembly are respectively connected with a stator and a rotor of the torque motor, a lubricating oil way is formed between the stator fixedly-connected assembly and the rotary support assembly and radially supported by a turntable bearing and a deep groove ball bearing, the torque of the torque motor is guaranteed to be output to the workbench along a central axis on the basis of reducing the space volume of the rotary power assembly and improving the structural compactness, the rotary precision, the smoothness and the stability of the workbench are high, the reliability of multidirectional rotation of a workpiece is guaranteed, and the precision and the reliability of multidirectional processing of the workpiece are improved.
4. The workstation passes through driven rotating assembly and is connected with sub-installation dish, set up hydraulic brake spare in the driven rotating assembly, warp when fluid is inputed and hug closely driven rotation axle in order to brake, location reliability is high, the stability of braking is high, guarantee that the workstation is stable not rocked in the work piece course of working, improve the position stability of work piece, it is fixed with driven fixing base to improve machining precision to hydraulic brake subassembly, radially support driven axial cover with radial support bearing, guarantee to brake effective separation of cover rebound time and driven rotation axle after warp, the reliability of braking separation is high, the rotation smoothness and the braking accuracy of workstation are higher.
Drawings
FIG. 1 is a schematic view of a rotary beam table in a concrete implementation.
Fig. 2 is a schematic view of a beam turret.
FIG. 3 is a schematic view of a swing power assembly.
Fig. 4 is a schematic view of a rotary power assembly.
Fig. 5 is a schematic view of a driven rotating assembly.
FIG. 6 is a schematic view of a hydraulic brake assembly.
Fig. 7 is a partial schematic view of a brake jacket.
Detailed Description
Embodiments of the present invention are described in detail below with reference to fig. 1 to 7.
The rotary beam workbench comprises a beam rotary table 1 and a rotary power assembly 2 for driving the beam rotary table 1 to rotate, and is characterized in that: the beam rotary table 1 is provided with a plurality of rotatable rotary tables 3, the rotary tables 3 are parallel to the beam rotary table 1, the plurality of rotary tables 3 are uniformly distributed in the circumferential direction of the beam rotary table 1, workpieces are clamped on the rotary tables 3, and the rotary power assembly 2 and the rotary tables 3 are controlled by a control system.
Above rotary beam table rotation workstation 3 dress is on crossbeam revolving stage 1 and at crossbeam revolving stage 1 circumference evenly distributed, rotary power component 2 drive crossbeam revolving stage 1 rotates, make a plurality of rotation workstations 3 synchronous rotation to different stations on, the work piece on each rotation workstation 3 accomplishes corresponding processing procedure on respective stations, realize the synchronous processing of multistation, avoid the repeated clamping of work piece when changing the station, improve machining efficiency, rotary workstation 3 can spin, the work piece is clamped on the rotary workstation, realize the automatic change of position through the rotation of rotary workstation 3, realize the multidirectional processing of work piece on the station, improve the flexibility of work piece processing on the station, reduce the space requirement of processing equipment cutter, realize the automatic change of position of alternate gyration and work piece, rotary workstation 3 has revolution and two rotation degrees of freedom, carry out once clamping to the work piece and can realize multistation and multidirectional processing, improve the automation level of work piece processing, reduce intensity of labour, improve the space utilization of rotary crossbeam workstation, realize the multidirectional high-efficient high accuracy processing of multistation.
The beam rotary table 1 comprises a beam 11, a main mounting disc 12 arranged at one end of the beam 11 and a sub mounting disc 13 arranged at the other end of the beam 11, wherein the main mounting disc 12 and the sub mounting disc 13 are coaxially aligned and integrally formed with the beam 11, the rotary power assembly 2 is coaxially connected with the main mounting disc 12, and the rotary table 3 is parallel to the beam 11 and is arranged between the main mounting disc 12 and the sub mounting disc 13. The rotary power assembly 2 is coaxially connected with the main mounting plate 12, the beam rotary table 1 is driven to rotate, the rotary workbench 3 is driven to rotate to different stations, the main mounting plate 12 and the sub mounting plate 13 support and position the rotary workbench 3, and a rotation space of the rotary workbench 3 is formed between the main mounting plate 12 and the sub mounting plate 13, so that a workbench with high space utilization and compact structure is formed.
The rotary power assembly 2 comprises a servo motor 21, a speed reducer 22 arranged on an output shaft of the servo motor 21, a shell 23 sleeved outside the speed reducer 22 and an output shaft 24 coaxially connected with an output end of the speed reducer 22, wherein the output shaft 24 extends out of the shell 23 and is coaxially connected with the main mounting disc 12, the output shaft 24 is T-shaped, a small end of the output shaft 24 extends into the shell 23 and is connected with the speed reducer 22, a large end of the output shaft extends out of the shell 23, and a retainer needle bearing 25 radially supporting the shell 23 and a retainer thrust roller bearing 26 axially separating the shell 23 from the output end 24 are sleeved on a small end of the output shaft 24. The output shaft 24 coaxially connected with the main mounting disc 12 bears radial load through the retainer needle roller bearing 25, the axial load is borne through the retainer thrust roller bearing 26, the bearing of the output shaft 24 in the torque transmission process is reduced, the coaxial alignment of the output shaft 24 and the main mounting disc 12 in the operation process is ensured not to deviate, the reliability of torque transmission is improved, the structural reliability of the beam rotary table 1 is high, the rotary table 3 is accurately rotated to a corresponding station, and the position accuracy of a workpiece on the station is improved.
The rotary workbench 3 comprises a workbench 4 parallel to the cross beam and a rotary power assembly 5 for driving the workbench 4 to rotate, the rotary power assembly 5 is arranged on a main mounting plate 12, one end of the workbench 4 is connected with the rotary power assembly 5, the other end is connected with a sub mounting plate 13, and the rotary workbench rotates along with the driving of the rotary power assembly 5. One end of the workbench 4 is connected with the rotary power assembly 5, the other end of the workbench is connected with the sub-mounting plate 13, and the rotary power assembly 5 drives the workbench 4 to rotate, so that workpieces on the workbench 4 can be processed in multiple directions on the same station, multiple directions are processed under one-time clamping and positioning, processing errors caused by clamping errors are avoided, and processing precision is improved.
The main mounting plate 12 is provided with a mounting round hole 121, the rotary power assembly 5 is arranged in the mounting round hole 121, and comprises a torque motor 51 positioned in the mounting round hole 121, a stator fixedly-connected assembly 52 fixedly connected with a stator of the torque motor 51 and a rotary support assembly 53 fixedly connected with a rotor of the torque motor 51, wherein the stator fixedly-connected assembly 52 is coaxially and rotatably connected with the rotary support assembly 53, and the rotary support assembly 53 is fixedly connected with the workbench 4. The rotating power assembly 5 is powered by the torque motor 51, the high-precision characteristic of the torque motor 51 is utilized, the precision of the rotating angle of the workbench 4 is guaranteed, the stator fixedly-connected assembly 52 and the rotating support assembly 53 are respectively connected with the stator and the rotor of the torque motor 51, the rotating support assembly 53 drives the workbench 4 to drive, the stator fixedly-connected assembly 52 and the rotating support assembly 53 are coaxially and rotatably connected, the space volume of the rotating power assembly 5 is reduced, the structural compactness is improved, the precision of the rotating angle of the workbench 4 is higher, when a workpiece is processed in multiple directions on one station, the workbench can drive the workpiece to rotate to a processing surface accurately, the angle of the processing surface can be adjusted in real time according to the processing requirement in the processing process, and the processing flexibility and operability are higher.
The stator fixing assembly 52 includes a hydraulic oil path transmission sleeve 521 coaxially sleeved on the hydraulic oil path transmission sleeve 521 and coaxially fixed with a stator of the torque motor, and an end cover 522 coaxially sleeved between the stator fixing assembly 52 and the rotation support assembly 53, the rotation support assembly 53 includes a rotation shaft 531 fixedly connected with a rotor of the torque motor 51 and fixedly connected with the workbench 4, an oil sealing sleeve 532 coaxially fixed on the rotation shaft 531, and an inner shaft 533 fixed in the oil sealing sleeve 532, the rotation shaft 531 has a hollow inner cavity 534 matched with the oil sealing sleeve 532, the oil sealing sleeve 532 extends into the inner cavity 534 and contacts with a cavity wall, the hydraulic oil path transmission sleeve 521 extends into the hollow inner cavity 534 in a clearance fit and is coaxially arranged at the periphery of the oil sealing sleeve 532, and a lubricating oil path is formed between the hydraulic oil path transmission sleeve 521 and the oil sealing sleeve 532. The rotating shaft 531 is connected with the rotor of the torque motor 51, and drives the workbench 4 to rotate along with the rotation of the rotor, the oil sealing sleeve 532 and the inner shaft 533 synchronously rotate along with the rotating shaft 531, the hydraulic transmission sleeve 521 and the end cover 522 are fixedly connected with the stator of the torque motor 51 and kept motionless, a lubricating oil circuit is arranged between the hydraulic oil circuit transmission sleeve 521 and the oil sealing sleeve 532, the rotating smoothness is ensured, the rotating shaft 531, the hydraulic oil circuit transmission sleeve 521, the oil sealing sleeve 532 and the inner shaft 533 form sequential overlapping fit from outside to outside, the space volume of the rotating power assembly 5 is reduced, the structural compactness is high, the rotor of the torque motor 51 directly drives the rotating shaft 531 to rotate the workbench 4, the torque transmission loss is reduced, the rotation precision of the workbench 4 is improved, and the rotating precision and the smoothness of the workbench are high.
The inner end of the inner shaft 533 is pressed into the oil sealing sleeve 532 and is matched with the oil sealing sleeve 532 in an axial positioning way, the outer end of the inner shaft 533 extends out of the oil sealing sleeve 532 and is sleeved with an encoder 54 connected with the torque motor 51, the output torque and start-stop of the torque motor 51 are controlled through the encoder 54, the rotating speed and the positioning of the rotating shaft 531 are controlled, the inner shaft 533 is sleeved with a deep groove ball bearing 535 which radially supports the hydraulic oil path transmission sleeve 521, the radial support of the deep groove ball bearing 535 enables the hydraulic oil path transmission sleeve 521 and the oil sealing sleeve 532 to keep a certain radial clearance, the oil sealing sleeve 532 does not drive the hydraulic oil path transmission sleeve 521 to rotate, a lubricating oil path is formed between the two oil sealing sleeves and is radially supported through the deep groove ball bearing 535, the structure is compact, the rotating smoothness of the rotating shaft is guaranteed, the end cover 522 is coaxially fixed with a stator of the torque motor 51 through a bearing fixing piece 523, a turntable bearing 536 is sleeved on the rotating shaft 531, the outer ring of the turntable bearing 536 is assembled with the bearing fixing piece 523, and the inner ring is assembled with the rotating shaft 531. The rotary shaft 531 and the bearing fixing piece 523 are radially supported through the rotary table bearing, the coaxial connection of the rotary shaft 531 and the rotor of the torque motor is guaranteed not to incline on the basis of reducing the space volume of the rotary power assembly 5 and improving the structural compactness, the torque of the torque motor is guaranteed to be output to a workbench along a central axis, the rotary accuracy, the smoothness and the stability of the workbench are high, the multi-directional rotary reliability of a workpiece is guaranteed, and the multi-directional processing accuracy and reliability of the workpiece are improved.
The workbench 4 is connected with the sub-mounting plate 13 through the driven rotating assembly 6, the sub-mounting plate 13 is provided with a driven mounting hole 131, the driven rotating assembly 6 is mounted in the driven mounting hole 131 and comprises a driven fixing seat 61 fixed with the sub-mounting plate 13, a driven rotating shaft 62 fixedly connected with the workbench 4 and a hydraulic brake assembly 63 for braking the driven rotating shaft 62, the driven fixing seat 61 is sleeved outside the driven rotating shaft 62, a radial support bearing 64 is assembled between the driven rotating shaft 62 and the driven fixing seat 61, and the hydraulic brake assembly 63 is coaxially mounted in the driven fixing seat 61 and in clearance fit with the driven rotating shaft 62 and deforms along with the input of hydraulic oil to hold the driven rotating shaft 62 tightly. The workbench 4 is connected with the sub-mounting plate 13 through the driven rotating assembly 6, the driven rotating shaft 62 is driven to synchronously rotate when the workbench 4 rotates, the driven fixed seat 61 is kept motionless, the driven rotating assembly 6 is internally provided with the hydraulic brake piece 63, the driven rotating shaft 62 is deformed and tightly held for braking when oil is input, the positioning reliability is high, the braking stability is high, the stable and non-shaking of the workbench in the workpiece machining process is ensured, and the position stability of the workpiece is improved so as to improve the machining precision.
The said driven fixed seat 61 includes a driven axial sleeve 611 sleeved outside the driven rotating shaft 62 and a driven radial sleeve 612 coaxially fixed at one end of the driven axial sleeve 611, the radial support bearing 64 is assembled between the driven axial sleeve 611 and the driven rotating shaft 62, the hydraulic brake assembly 63 includes a deformable brake sleeve 631 and an expansion sleeve 632 with elastic modulus smaller than that of the brake sleeve and sleeved on the brake sleeve, the brake sleeve 631 is in clearance fit with the driven rotating shaft 62, the expansion sleeve 632 is attached to the inner wall of the driven axial sleeve 611, one end of the brake sleeve 631 has a radial flange 633, the radial flange 633 extends between the driven axial sleeve 611 and the driven radial sleeve 612 and is fixed with the driven axial sleeve 611 and the driven radial sleeve 612 through screws, the driven axial sleeve 611 is provided with an oil input hole 613 along the radial direction, the expansion sleeve 632 is provided with an oil storage ring groove 634 communicated with the oil input hole 613, the oil enters into the oil storage ring groove 634 from the oil input hole 613, the expansion sleeve 632 deforms along with the increase of the oil liquid amount to squeeze the brake sleeve 631, so that the brake sleeve 631 is pressed to hug the driven rotating shaft 62. Oil enters the oil storage ring groove 634 through the oil input hole 613, the oil in the oil storage ring groove 634 increases to form annular extrusion on the expansion sleeve 632 to deform the expansion sleeve 632, the whole circle of deformed expansion sleeve 632 is used for hooping the brake sleeve 631, the brake sleeve 631 is pressed to clamp the driven rotating shaft 62 so as to brake the driven rotating shaft 62, after braking, the brake sleeve 631 clamps the driven rotating shaft 62, so that the driven rotating shaft 62 is kept stable, the stability of the workbench 4 is maintained during workpiece processing, shaking is avoided, and the processing accuracy and reliability are improved. The radial flange 633 of the brake sleeve 631 is fixed between the driven axial sleeve 611 and the driven radial sleeve 612, and is effectively positioned, and the radial support bearing 64 is used for radially supporting the driven axial sleeve 611, so that the brake sleeve 631 is effectively separated from the driven rotating shaft 62 when rebounded after being deformed, the reliability of brake separation is high, and the rotation smoothness and the brake accuracy of the workbench 4 are higher.
The brake sleeve 631 is provided with an annular mounting groove 635 arranged along the axial direction, the expansion sleeve 632 is positioned in the annular mounting groove 635, the driven radial sleeve 612 is internally and coaxially fixed with a positioning cylinder 614, the driven rotary shaft 62 is provided with a weight reduction cavity, the positioning cylinder 614 coaxially extends into the weight reduction cavity, the positioning cylinder 614 is provided with an annular positioning groove 615, the inner wall of the weight reduction cavity is provided with a positioning protrusion 621 corresponding to the annular positioning groove 615, the positioning protrusion 621 extends into the annular positioning groove 615, and a radial support bearing 64 is arranged between the driven radial sleeve 612 and the driven rotary shaft 62, so that the positioning protrusion 621 is not contacted with the groove wall of the annular positioning groove 615. The expansion sleeve 632 is limited in the mounting groove 635, and the expansion sleeve 632 can only radially deform to clamp the brake sleeve 631 during the deformation process of oil input, and cannot axially move, so that the structural reliability is high, and the brake is more reliable. The positioning cylinder 614 and the driven rotating shaft 62 form concave-convex matching of the positioning boss 621 and the annular positioning groove 615, the axial direction of the driven rotating shaft 62 is limited, a radial support bearing 64 is also arranged between the driven radial sleeve 612 and the driven rotating shaft 62, radial support is formed at the rear end of the driven rotating shaft 62, the driven rotating shaft 62 is ensured to be not deflected along the central axis of the driven mounting hole 131, the radial support of the positioning boss 621 ensures that the positioning boss 621 is not contacted with the groove wall of the annular positioning groove 615, and the rotating smoothness of the driven rotating shaft 62 is ensured.
The foregoing disclosure of embodiments of the present invention has been fully described with reference to the accompanying drawings, in which it is to be understood that the embodiments described are merely some of the embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (5)
1. The rotary beam workbench comprises a beam rotary table and a rotary power assembly for driving the beam rotary table to rotate, and is characterized in that: the beam rotary table is provided with rotary tables which can rotate, the rotary tables are parallel to the beam rotary table and are distributed uniformly in the circumferential direction of the beam rotary table, workpieces are clamped on the rotary tables, and the rotary power assembly and the rotary tables are controlled by a control system;
the beam rotary table comprises a beam, a main mounting disc arranged at one end of the beam and a sub mounting disc arranged at the other end of the beam, wherein the main mounting disc and the sub mounting disc are coaxially aligned and integrally formed with the beam, the rotary power assembly is coaxially connected with the main mounting disc, and the rotary table is parallel to the beam and is arranged between the main mounting disc and the sub mounting disc;
the rotary workbench comprises a workbench parallel to the cross beam and a rotary power assembly for driving the workbench to rotate, the rotary power assembly is arranged on the main mounting disc, one end of the workbench is connected with the rotary power assembly, the other end of the workbench is connected with the sub mounting disc, and the workbench rotates along with the driving of the rotary power assembly;
the workbench is connected with the sub-mounting disc through a driven rotating assembly, the sub-mounting disc is provided with a driven mounting hole, the driven rotating assembly is arranged in the driven mounting hole and comprises a driven fixed seat fixed with the sub-mounting disc, a driven rotating shaft fixedly connected with the workbench and a hydraulic brake assembly for braking the driven rotating shaft, the driven fixed seat is sleeved outside the driven rotating shaft, a radial support bearing is assembled between the driven rotating shaft and the driven fixed seat, and the hydraulic brake assembly is coaxially arranged in the driven fixed seat and in clearance fit with the driven rotating shaft and deforms along with the input of hydraulic oil to hold the driven rotating shaft tightly;
the hydraulic brake assembly comprises a deformable brake sleeve and an expansion sleeve with the elastic modulus smaller than that of the brake sleeve and sleeved on the brake sleeve, the brake sleeve is in clearance fit with the driven rotating shaft, the expansion sleeve is attached to the inner wall of the driven axial sleeve, one end of the brake sleeve is provided with a radial flanging with 90 degrees, the radial flanging extends into the space between the driven axial sleeve and the driven radial sleeve and is fixed with the driven axial sleeve and the driven radial sleeve through screws, the driven axial sleeve is provided with an oil input hole along the radial direction, the expansion sleeve is provided with an oil storage ring groove communicated with the oil input hole, oil enters into the oil storage ring groove from the oil input hole, and the expansion sleeve deforms to squeeze the brake sleeve along with the increase of the oil amount, so that the brake sleeve is pressed to clamp the driven rotating shaft;
the brake sleeve is provided with an annular mounting groove which is axially arranged, the expansion sleeve is positioned in the annular mounting groove, a positioning cylinder is coaxially fixed in the driven radial sleeve, the driven rotating shaft is provided with a weight reduction cavity, the positioning cylinder coaxially stretches into the weight reduction cavity, the positioning cylinder is provided with an annular positioning groove, the inner wall of the weight reduction cavity is provided with a positioning bulge corresponding to the annular positioning groove, the positioning bulge stretches into the annular positioning groove, and a radial support bearing is arranged between the driven radial sleeve and the driven rotating shaft, so that the positioning bulge is not contacted with the groove wall of the annular positioning groove.
2. The rotary beam table of claim 1, wherein: the rotary power assembly comprises a servo motor, a speed reducer arranged on an output shaft of the servo motor, a shell sleeved outside the speed reducer, and an output shaft coaxially connected with an output end of the speed reducer, wherein the output shaft extends out of the shell and is coaxially connected with a main mounting disc, the output shaft is T-shaped, a small end of the output shaft extends into the shell and is connected with the speed reducer, a large end of the output shaft extends out of the shell, and a retainer needle bearing radially supporting the shell and a retainer thrust roller bearing axially separating the shell from the output end are sleeved on the small end of the output shaft.
3. The rotary beam table of claim 1, wherein: the main mounting disc is provided with a mounting round hole, the rotary power assembly is arranged in the mounting round hole and comprises a torque motor positioned in the mounting round hole, a stator fixedly connected assembly fixedly connected with a stator of the torque motor and a rotary support assembly fixedly connected with a rotor of the torque motor, wherein the stator fixedly connected assembly is coaxially and rotatably connected with the rotary support assembly, and the rotary support assembly is fixedly connected with the workbench.
4. A rotary cross beam table as claimed in claim 3, wherein: the stator rigid coupling subassembly include with rotate the end cover that forms the hydraulic oil circuit transmission sleeve of lubricating oil circuit, coaxial suit on the hydraulic oil circuit transmission sleeve and coaxial fixed with the stator of torque motor between the supporting subassembly, rotate the supporting subassembly including with the rotor rigid coupling of torque motor and with the rotation axis of workstation rigid coupling, coaxial fixed in the epaxial oil seal sleeve of rotation and fix the internal shaft in the oil seal sleeve, the rotation axis has with oil seal sleeve complex cavity inner chamber, oil seal sleeve stretches into the cavity inner chamber and contacts with the chamber wall, hydraulic oil circuit transmission sleeve clearance fit stretches into in the cavity inner chamber and coaxial setting is in oil seal sleeve periphery, form lubricating oil circuit between hydraulic oil circuit transmission sleeve and the oil seal sleeve.
5. The rotary beam table of claim 4, wherein: the inner end of the inner shaft is pressed into the oil sealing sleeve and is axially matched with the oil sealing sleeve in a positioning way, the outer end of the inner shaft extends out of the oil sealing sleeve and is sleeved with an encoder connected with the torque motor, the inner shaft is sleeved with a deep groove ball bearing which radially supports the hydraulic oil way transmission sleeve, the end cover is coaxially fixed with a stator of the torque motor through a bearing fixing piece, the rotary shaft is sleeved with a rotary table bearing, the outer ring of the rotary table bearing is assembled with the bearing fixing piece, and the inner ring of the rotary table bearing is assembled with the rotary shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210569034.7A CN114734272B (en) | 2022-05-24 | 2022-05-24 | Rotary type cross beam workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210569034.7A CN114734272B (en) | 2022-05-24 | 2022-05-24 | Rotary type cross beam workbench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114734272A CN114734272A (en) | 2022-07-12 |
| CN114734272B true CN114734272B (en) | 2023-05-12 |
Family
ID=82287519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210569034.7A Active CN114734272B (en) | 2022-05-24 | 2022-05-24 | Rotary type cross beam workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114734272B (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480778A (en) * | 2009-01-24 | 2009-07-15 | 苏州江南电梯(集团)有限公司 | Direct driving type accurate turn plate |
| CN101596681B (en) * | 2009-07-03 | 2011-04-27 | 东华大学 | High-precision rotary working-table driven by moment motor |
| CN106625213B (en) * | 2017-01-23 | 2019-05-03 | 上海发那科机器人有限公司 | A kind of three-axle table for polishing |
| CN206445676U (en) * | 2017-01-23 | 2017-08-29 | 上海发那科机器人有限公司 | A kind of three-axle table for being used to polish |
| CN106944839A (en) * | 2017-03-31 | 2017-07-14 | 苏州群志机械设备有限公司 | A kind of three face rotary tables |
| CN107745263B (en) * | 2017-10-09 | 2024-02-06 | 武汉市工程科学技术研究院 | Turnover workbench capable of realizing double-sided processing |
| CN107470843A (en) * | 2017-10-24 | 2017-12-15 | 深圳诺基业科技有限公司 | A kind of reverse welding positioner of three axles double |
| CN108927706A (en) * | 2018-06-20 | 2018-12-04 | 吴行飞 | Horizontal double main shaft double five-axle linkage machining centers |
| CN112953109A (en) * | 2021-02-03 | 2021-06-11 | 江苏开璇智能科技有限公司 | Hollow hydraulic braking third harmonic speed reduction integrated machine |
| CN114178872B (en) * | 2021-12-08 | 2024-04-23 | 江苏特贝尔精密机械科技有限公司 | Numerical control rotary table |
| CN114439866A (en) * | 2021-12-30 | 2022-05-06 | 广东普拉迪科技股份有限公司 | High-precision rotary table with hydraulic brake structure |
| CN114193177A (en) * | 2022-01-17 | 2022-03-18 | 上海赛卡精密机械有限公司 | Direct-drive numerical control precision rotary table and machine tool |
-
2022
- 2022-05-24 CN CN202210569034.7A patent/CN114734272B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114734272A (en) | 2022-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105855881A (en) | Multi-station automatic drilling equipment for rotary parts | |
| CN106424867B (en) | Novel vertical milling machine based on cycloid rotation point | |
| CN110594379B (en) | Nut driving type hydrostatic lead screw transmission pair and machine tool | |
| CN2843734Y (en) | Hydraulic rotating chuck | |
| CN108356741A (en) | A kind of multi-functional assembly bench of pivoting support | |
| CN114734272B (en) | Rotary type cross beam workbench | |
| CN101518879A (en) | Machine tool radial feed system | |
| CN110138157B (en) | Processing equipment and processing method for high-coaxiality brushless motor rotor | |
| CN210649496U (en) | Vertical type swinging and rotating five-axis turntable | |
| CN215847612U (en) | Internal clamping and rotating device for precision steel pipe machining | |
| CN114770379B (en) | Automatic clamping positioner for hub polished by robot | |
| CN110116370B (en) | Static pressure type high-precision rotary indexing device | |
| CN108032111A (en) | Process the detent mechanism of differential carrier | |
| CN110405535B (en) | High-precision indexing turntable for equal-indexing drilling of excircle of pipe part and operation method | |
| CN113894562A (en) | Equipment rotation mechanism of seat ring processing usefulness | |
| CN213135924U (en) | Roots vacuum pump face milling tool | |
| CN111168414A (en) | Novel automatic alignment rotary worktable | |
| CN219402408U (en) | Device for machining supporting hole of guide bearing of center body of lower frame | |
| CN208744183U (en) | A kind of Multifunctional numerical control machining machine tool | |
| CN220839650U (en) | Bearing processing clamping tool | |
| CN117428489B (en) | Multi-station flexible combined machining center | |
| CN217990948U (en) | Machine tool for turning arc groove of floating ball | |
| CN219336806U (en) | Shaft body machining and positioning tool | |
| CN116900613B (en) | Magnetic force pump inner magnetic rotor welding tool | |
| CN216706642U (en) | Six station rotation processingequipment of pressure seat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Rotary crossbeam workbench Effective date of registration: 20230620 Granted publication date: 20230512 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: SHENZHEN SUNET INDUSTRY Co.,Ltd. Registration number: Y2023980044945 |