CN115255914A - Assembly process of rotary workbench - Google Patents
Assembly process of rotary workbench Download PDFInfo
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- CN115255914A CN115255914A CN202210862470.3A CN202210862470A CN115255914A CN 115255914 A CN115255914 A CN 115255914A CN 202210862470 A CN202210862470 A CN 202210862470A CN 115255914 A CN115255914 A CN 115255914A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 claims description 26
- 238000012937 correction Methods 0.000 claims description 12
- 238000003754 machining Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an assembly process of a rotary workbench, which comprises the following steps: s1, confirming and correcting the circle center position of a base; s2, mounting the bearing sleeve on the base and correcting to enable the axial center line of the bearing sleeve to be overlapped with the axial center line of the base; s3, mounting the middle shaft group on the bearing sleeve and correcting to enable the circle center of the middle shaft group, the circle center of the bearing sleeve and the circle center of the base to be located on the same straight line; s4, mounting the upper fluted disc on the base and correcting to enable the circle center of the upper fluted disc, the circle center of the middle shaft group, the circle center of the bearing sleeve and the circle center of the base to be located on the same straight line; and S5, mounting the workbench set on the middle shaft set and correcting to enable the circle center of the workbench set, the circle center of the upper fluted disc, the circle center of the middle shaft set, the circle center of the bearing sleeve and the circle center of the base to be located on the same straight line. The invention adopts the assembly method with consistent circle centers, so that the circle centers of a plurality of parts of the rotary worktable are positioned on the same straight line, thereby ensuring high assembly precision and good stability.
Description
Technical Field
The invention relates to the technical field of rotary workbenches, in particular to an assembling process of a rotary workbench.
Background
The rotary worktable is a novel speed reducer product, and the rotary worktable can obtain different output rotating speeds according to different reduction ratios, and is usually used for various rotary motion occasions. The rotary worktable is usually arranged on a horizontal machining center machine in the traditional machining field, four-axis linkage machining is carried out on parts in a fourth axis mode, too many clamping times in the part machining process are reduced, the precision is poor, the efficiency is poor, a plurality of machining center machines can be operated by one person, and the management cost is reduced, so that the rotary worktable is widely applied to the fields of aerospace industry, military industry, electronic industry, medical industry and the like.
However, the conventional mounting process of the rotary table has disadvantages in that: the assembly process of the traditional rotary workbench is in clearance fit, and a tolerance gap exists, so that the precision of the rotary workbench is low. Meanwhile, the assembly process of the traditional rotary workbench usually depends on the part machining precision to ensure the precision of the rotary workbench, so that the part machining cost and rejection rate of the rotary workbench are too high, and the integral cost of the rotary workbench is too high, so that the rotary workbench cannot be popularized. The disk surface precision and the center hole precision of the workbench of the traditional assembly process of the rotary workbench are usually scraped by manpower, and the working efficiency is low.
In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, the invention aims to provide an assembly process of a rotary workbench, which adopts an assembly method with consistent circle centers to enable the circle centers of a plurality of parts of the rotary workbench to be positioned on the same straight line, so that the assembly precision is high and the stability is good.
In order to achieve the above object, an embodiment of the present invention provides an assembly process of a rotary table, including the following steps:
s1, confirming the circle center position of a base and correcting;
s2, mounting the bearing sleeve on the base and correcting to enable the axial center line of the bearing sleeve to be overlapped with the axial center line of the base;
s3, mounting the middle shaft group on the bearing sleeve and correcting to enable the circle center of the middle shaft group, the circle center of the bearing sleeve and the circle center of the base to be located on the same straight line;
s4, mounting the upper fluted disc on the base and correcting to enable the circle center of the upper fluted disc, the circle center of the middle shaft group, the circle center of the bearing sleeve and the circle center of the base to be located on the same straight line;
s5, mounting the workbench set on the middle shaft set and correcting to enable the circle center of the workbench set, the circle center of the upper fluted disc, the circle center of the middle shaft set, the circle center of the bearing sleeve and the circle center of the base to be located on the same straight line;
in steps S1 to S5, a calibration jig is used for calibration.
Further, the tool is rectified including supplying the base to place board, adjustable length's expansion bracket, mounting panel and amesdial, places and sets up the mounting hole of stepping down on the board, and expansion bracket one end sets up on placing the board, and mounting panel one end is connected with the expansion bracket other end, and the rotatable installation pole that sets up on the mounting panel, the board is placed to the axial center line perpendicular to of installation pole, and the rotatable setting of amesdial is in order to adjust the angle of amesdial and installation pole at the tip of installation pole.
Further, in step S1, arrange the base in place the board on, adjust the angle of expansion bracket length and amesdial for the tip of amesdial and the inside wall contact of base, rotatory installation pole makes the amesdial rotate round the inside wall of base, adjusts the base position, and when the inside wall that until the amesdial rotated round the base, the pointer pointed to a certain position and was motionless.
Further, in step S2, the bearing sleeve is placed at the bottom of the base from the abdicating mounting hole, the length of the expansion bracket and the angle of the dial indicator are adjusted, so that the end part of the dial indicator is in contact with the inner side wall of the bearing sleeve, the mounting rod is rotated, the dial indicator rotates around the inner side wall of the bearing sleeve, the position of the bearing sleeve is adjusted, and until the dial indicator rotates around the inner side wall of the bearing sleeve, the pointer points to a certain position and does not move, so that the axial center line of the bearing sleeve is overlapped with the axial center line of the base.
Furthermore, the middle shaft group comprises a driving mechanism and a rotating shaft, and the driving mechanism is connected with the rotating shaft and drives the rotating shaft to rotate.
Further, in step S3, the length of the telescopic frame and the angle of the dial indicator are adjusted, then the middle shaft group is placed on the bearing sleeve, the length of the telescopic frame and the angle of the dial indicator are continuously adjusted, so that the end portion of the dial indicator contacts with the outer side wall of the middle shaft group, the mounting rod is rotated, the dial indicator rotates around the outer side wall of the middle shaft group, the position of the middle shaft group is adjusted, until the dial indicator rotates around the outer side wall of the middle shaft group, the pointer points to a certain position and does not move, so that the center of circle of the middle shaft group, the center of circle of the bearing sleeve and the center of circle of the base are located on the same straight line.
Further, in step S4, adjust the angle of expansion bracket length and amesdial, then arrange the last fluted disc on the base, continue adjusting the angle of expansion bracket length and amesdial, make the tip of amesdial and the inside wall contact of last fluted disc, rotatory installation pole, make the amesdial rotate round the inside wall of last fluted disc, the fluted disc position is gone up in the adjustment, until the amesdial rotates round the inside wall of last fluted disc, the pointer indicates a certain position and does not move, so that the centre of a circle of last fluted disc, the centre of a circle of well axle group, the centre of a circle of bearing housing, the centre of a circle of base is located same straight line.
Further, in step S5, the length of the telescopic frame and the angle of the dial indicator are adjusted, the workbench assembly is placed on the middle shaft assembly, the length of the telescopic frame and the angle of the dial indicator are continuously adjusted, the end portion of the dial indicator is in contact with the side wall of the workbench assembly, the mounting rod is rotated, the dial indicator rotates around the side wall of the workbench assembly, the position of the workbench assembly is adjusted, until the dial indicator rotates around the side wall of the workbench assembly, the pointer points to a certain position and does not move, and the circle center of the workbench assembly, the circle center of the upper fluted disc, the circle center of the middle shaft assembly, the circle center of the bearing sleeve and the circle center of the base are located on the same straight line.
Further, all the parts are cleaned before step S1.
Further, after step S5, the table group is precision-ground.
After the structure is adopted, the assembly process of the rotary workbench, which is disclosed by the invention, at least has the following beneficial effects:
firstly, during assembly, placing a base on a placing plate, and confirming the circle center position of the base through a correction jig; mounting the bearing sleeve on a base, and enabling the axial center line of the bearing sleeve to be superposed with the axial center line of the base through a correction jig; mounting the middle shaft group on the bearing sleeve, and enabling the circle center of the middle shaft group, the circle center of the bearing sleeve and the circle center of the base to be located on the same straight line through a correction jig; installing the upper fluted disc on the base, and enabling the circle center of the upper fluted disc, the circle center of the middle shaft group, the circle center of the bearing sleeve and the circle center of the base to be located on the same straight line through the correction jig; and the working table group is arranged on the upper fluted disc and the middle shaft group, and the center of the working table group, the center of the upper fluted disc, the center of the middle shaft group, the center of the bearing sleeve and the center of the base are positioned on the same straight line through the correction jig. Therefore, according to the assembly process of the rotary workbench, the centers of the plurality of parts of the rotary workbench are positioned on the same straight line by adopting the center-consistent assembly method through the correction tool, so that the assembly precision is high, and the stability is good.
Secondly, the invention has lower requirement on the machining precision of each part, so that the machining cost and the rejection rate of each part are reduced to the maximum extent, the clearance tolerance of the fit of the parts is enlarged, and the assembly process is more effective.
Compared with the prior art, the invention adopts the assembly method with consistent circle centers, so that the circle centers of a plurality of parts of the rotary worktable are positioned on the same straight line, thereby ensuring high assembly precision and good stability.
Drawings
FIG. 1 is a flow chart of an assembly process of a rotary table according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a base of a rotary table according to an embodiment of the present invention;
FIG. 3 is a schematic view of a structure for determining a center of a circle of a base by using a calibration jig according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a rotary table according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a rotary table according to an embodiment of the present invention;
FIG. 6 is a cross-sectional exploded view of a rotary table according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a connecting block disposed on a second bottom bracket moving ring according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a loose clamp switch according to an embodiment of the invention.
Description of the reference symbols
The device comprises a base 1, a bearing bush mounting surface 11, a bearing bush 2, a first limit protrusion 21, a middle shaft group 3, a driving mechanism 31, a turbine 311, a turbine fixing block 312, a rotating shaft 32, external threads 321, a first middle shaft movable ring 33, a second middle shaft movable ring 34, an upper toothed disc 4, upper teeth 41, a workbench group 5, a workbench disc 51, a workbench center 52, a groove 521, a correction jig 6, a placing plate 61, a abdicating mounting hole 611, an expansion bracket 62, a mounting plate 63, a dial indicator 64, a mounting rod 65, an adjusting rod 66, a lower toothed disc 7, lower teeth 71, an inner toothed disc 8, inner teeth 81, a roller belt 82, a roller 821, a bearing 9, a middle shaft fixing ring 91, internal threads 911, a second limit protrusion 912, an outer ring 92, an inner ring 93, a rolling body 94, a loose clamp switch 10, a connecting block 101, a body 102, a clamping groove 1011, a clamping rod 1021, a connecting rod 1022, a rotating rod 1023, a contact 1024, a first clamping groove 1025 and a second contact 1026.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 8, an assembly process of a rotary table according to an embodiment of the present invention includes the following steps: s1, confirming and correcting the circle center position of a base 1; s2, mounting the bearing sleeve 2 on the base 1 and correcting to enable the axial center line of the bearing sleeve 2 to be superposed with the axial center line of the base 1; s3, mounting the middle shaft group 3 on the bearing sleeve 2 and correcting to enable the circle center of the middle shaft group 3, the circle center of the bearing sleeve 2 and the circle center of the base 1 to be located on the same straight line; s4, mounting the upper fluted disc 4 on the base 1 and correcting to enable the circle center of the upper fluted disc 4, the circle center of the middle shaft group 3, the circle center of the bearing sleeve 2 and the circle center of the base 1 to be located on the same straight line; s5, mounting the workbench set 5 on the middle shaft set 3 and correcting to enable the circle center of the workbench set 5, the circle center of the upper gear disc 4, the circle center of the middle shaft set 3, the circle center of the bearing sleeve 2 and the circle center of the base 1 to be located on the same straight line; in steps S1 to S5, the calibration is performed using the calibration jig 6.
Thus, when assembling, the base 1 is placed on the placing plate 61, and the position of the center of the circle of the base 1 is confirmed by the correcting jig 6; mounting the bearing sleeve 2 on the base 1, and enabling the axial center line of the bearing sleeve 2 to be superposed with the axial center line of the base 1 through a correction jig 6; the center shaft group 3 is arranged on the bearing sleeve 2, and the center of a circle of the center shaft group 3, the center of a circle of the bearing sleeve 2 and the center of a circle of the base 1 are positioned on the same straight line through the correcting jig 6; the upper fluted disc 4 is arranged on the base 1, and the circle center of the upper fluted disc 4, the circle center of the middle shaft group 3, the circle center of the bearing sleeve 2 and the circle center of the base 1 are positioned on the same straight line through the correcting jig 6; the working table group 5 is arranged on the upper fluted disc 4 and the middle shaft group 3, and the circle center of the working table group 5, the circle center of the upper fluted disc 4, the circle center of the middle shaft group 3, the circle center of the bearing sleeve 2 and the circle center of the base 1 are positioned on the same straight line through the correction jig 6. Therefore, according to the assembly process of the rotary workbench, the centers of the plurality of parts of the rotary workbench are positioned on the same straight line by adopting the center-consistent assembly method through the correction tool, so that the assembly precision is high, and the stability is good.
Optionally, the correction jig 6 includes a placing plate 61 for placing the base 1, a telescopic frame 62 with adjustable length, a mounting plate 63 and a dial indicator 64, the placing plate 61 is provided with a yielding mounting hole 611, one end of the telescopic frame 62 is arranged on the placing plate 61, one end of the mounting plate 63 is connected with the other end of the telescopic frame 62, the mounting plate 63 is rotatably provided with a mounting rod 65, an axial center line of the mounting rod 65 is always perpendicular to the placing plate 61, and the dial indicator 64 is rotatably arranged at the end of the mounting rod 65 to adjust the angle between the dial indicator 64 and the mounting rod 65. In order to adjust the angle of the dial indicator 64, the dial indicator 64 is connected with the mounting rod 65 through one or more sections of adjusting rods 66, one end of each adjusting rod 66 is rotatably connected with the mounting rod 65, and the other end of each adjusting rod 66 is rotatably connected with the dial indicator 64, so that the end part of the dial indicator 64 can abut against different parts to be corrected. The expansion bracket 62 can comprise a first loop bar, a second loop bar and a positioning piece, the second loop bar is sleeved in the first loop bar, and the positioning piece fixes the positions of the first loop bar and the second loop bar, so that the height of the expansion bracket is changed, and the dial indicator is convenient to correct.
The dial gauge 64 is a length measuring instrument that converts a general linear displacement (linear motion) into a rotational motion of a pointer by a gear or a lever and then performs a reading on a dial. The dial gauge 64 is a widely used indicator gauge for precision measurements. It belongs to a comparative measuring tool, and can only measure relative numerical values, but can not measure absolute numerical values. The dial indicator 64 is conventional and will not be described in detail herein.
By providing the offset mounting hole 611, some parts with larger size, such as the bearing housing 2, which are difficult to be mounted on the base 1 from the top, can be mounted on the bottom of the base 1 through the offset mounting hole 611. Through setting up expansion bracket 62, can adjust mounting panel 63 and amesdial 64's height, through rotatable setting installation pole 65, make installation pole 65 rotate, amesdial 64 rotates along spare part inside wall or lateral wall, through rotatable setting amesdial 64, be convenient for adjust the angle of amesdial 64 and installation pole 65, make amesdial 64 be suitable for not unidimensional spare part, be convenient for amesdial 64 tip contacts with the lateral wall of different spare parts, with the position of adjusting spare part, the centre of a circle that makes different spare parts is located same straight line.
Preferably, in step S1, the base 1 is placed on the placing plate 61, the length of the expansion bracket 62 and the angle of the dial indicator 64 are adjusted, so that the end of the dial indicator 64 contacts with the inner side wall of the base 1, the mounting rod 65 is rotated, the dial indicator 64 rotates around the inner side wall of the base 1, and the position of the base 1 is adjusted until the pointer points to a certain position and does not move when the dial indicator 64 rotates around the inner side wall of the base 1. The inner side wall of the base 1 comprises a bearing sleeve mounting surface 11, when the position of the base 1 is adjusted, the dial indicator 64 rotates around the bearing sleeve mounting surface 11 of the base 1, and the pointer points to a certain position and does not move, so that the position of the circle center of the base 1 is confirmed.
After the position of the base 1 is adjusted, the base 1 is kept still in the subsequent assembly process, so that the circle centers of subsequently assembled parts are ensured to be positioned on the same straight line, and the deflection phenomenon of the rotary workbench after the assembly is finished can not occur in the rotation process. In order to ensure that the base 1 does not displace, the base 1 may be locked on the placing plate 61, and after the assembly is completed, the base 1 is separated from the placing plate 61. The axial center line of the mounting rod 65 in this example is always perpendicular to the placing plate 61, that is, the mounting rod 65 does not undergo horizontal displacement, so that the center of a circle of a subsequently corrected component can be ensured to be positioned on a straight line.
Further, in step S2, the bearing sleeve 2 is placed at the bottom of the base 1 through the abdicating installation hole 611, the length of the expansion bracket 62 and the angle of the dial indicator 64 are adjusted, so that the end of the dial indicator 64 contacts with the inner side wall of the bearing sleeve 2, the installation rod 65 is rotated, the dial indicator 64 rotates around the inner side wall of the bearing sleeve 2, the position of the bearing sleeve 2 is adjusted, and until the dial indicator 64 rotates around the inner side wall of the bearing sleeve 2, the pointer points to a certain position and does not move, so that the axial center line of the bearing sleeve 2 and the axial center line of the base 1 coincide. When adjusting bearing housing 2, can be earlier with bearing housing 2 through the half fix in base 1 bottom of screw, bearing housing 2 can slightly remove this moment, after confirming position bearing housing 2 position through amesdial 64, the axial centerline of bearing housing 2 and the axial centerline of base 1 are located same straight line this moment, then die the screw lock to accomplish the installation of bearing housing 2.
In some examples, the middle shaft set 3 includes a driving mechanism 31 and a rotating shaft 32, the driving mechanism 31 is connected to the rotating shaft 32 and drives the rotating shaft 32 to rotate, wherein the driving mechanism 31 includes a driving motor, a worm wheel 311 and a worm wheel fixing block 312, the worm is connected to the driving motor and driven to rotate by the driving motor, the worm wheel 311 is connected to the worm and driven to rotate by the rotating worm, the worm wheel 311 is connected to the worm wheel fixing block 312, the worm wheel fixing block 312 is connected to the rotating shaft 32, so that the rotating worm wheel 311 drives the worm wheel fixing block 312 to rotate, and the worm wheel fixing block 312 rotates to drive the rotating shaft 32 to rotate.
Further, in step S3, the length of the telescopic frame 62 and the angle of the dial indicator 64 are adjusted, then the middle shaft group 3 is placed on the bearing sleeve 2, the length of the telescopic frame 62 and the angle of the dial indicator 64 are continuously adjusted, so that the end portion of the dial indicator 64 contacts with the outer side wall of the middle shaft group 3, the mounting rod 65 is rotated, the dial indicator 64 rotates around the outer side wall of the middle shaft group 3, the position of the middle shaft group 3 is adjusted, and until the dial indicator 64 rotates around the outer side wall of the middle shaft group 3, the pointer points to a certain position and does not move, so that the center of the middle shaft group 3, the center of the bearing sleeve 2, and the center of the base 1 are located on the same straight line.
As an example, when the middle shaft set 3 is installed, the worm and the worm wheel 311 are installed, then the worm wheel fixing block 312 is half-fixed on the worm wheel 311 through a screw, then, the length of the telescopic frame 62 and the angle of the dial indicator 64 are adjusted, the end of the dial indicator 64 contacts with the outer side wall of the worm wheel fixing block 312, the position of the worm wheel fixing block 312 is adjusted until the pointer points to a certain position and does not move when the dial indicator 64 rotates around the outer side wall of the worm wheel fixing block 312, and then the worm wheel fixing block 312 is locked on the worm wheel 311 through a screw.
The rotating shaft 32 is fixed on the turbine fixing block 312 through screws, then the length of the telescopic frame 62 and the angle of the dial indicator 64 are adjusted, the end part of the dial indicator 64 is in contact with the outer side wall of the rotating shaft 32, the position of the rotating shaft 32 is adjusted until the pointer points to a certain position and does not move when the dial indicator 64 rotates around the outer side wall of the rotating shaft 32, and then the rotating shaft 32 is locked on the turbine fixing block 312 through screws. Therefore, the circle center of the rotating shaft 32, the circle center of the base 1 and the circle center of the bearing sleeve 2 can be located on the same straight line, so that the rotating shaft 32 cannot deflect when rotating, and is high in precision and good in stability.
Further, in step S4, the length of the telescopic frame 62 and the angle of the dial indicator 64 are adjusted, the upper fluted disc 4 is placed on the base 1, the length of the telescopic frame 62 and the angle of the dial indicator 64 are continuously adjusted, so that the end portion of the dial indicator 64 is in contact with the inner side wall of the upper fluted disc 4, the mounting rod 65 is rotated, the dial indicator 64 is rotated around the inner side wall of the upper fluted disc 4, the position of the upper fluted disc 4 is adjusted, and until the dial indicator 64 rotates around the inner side wall of the upper fluted disc 4, the pointer points to a certain position and does not move, so that the center of the upper fluted disc 4, the center of the middle shaft group 3, the center of the bearing sleeve 2, and the center of the base 1 are located on the same straight line.
Specifically, when the upper fluted disc 4 is installed, the upper fluted disc 4 is half fixed on the base 1 through screws, the length of the expansion bracket 62 and the angle of the dial indicator 64 are adjusted, so that the end part of the dial indicator 64 is in contact with the inner side wall of the upper fluted disc 4, the installation rod 65 is rotated, the dial indicator 64 rotates around the inner side wall of the upper fluted disc 4, the position of the upper fluted disc 4 is adjusted, until the dial indicator 64 rotates around the inner side wall of the upper fluted disc 4, the pointer points to a certain position and does not move, and then the upper fluted disc 4 is locked on the base 1 through screws, so that the circle center of the upper fluted disc 4, the circle center of the middle shaft group 3, the circle center of the bearing sleeve 2 and the circle center of the base 1 are positioned on the same straight line.
Wherein, 3 lateral parts of axis group set up down fluted disc 7 and internal toothed disc 8, before fluted disc 4 is installed in the installation, can install fluted disc 7 down earlier, go up fluted disc 4 installation and accomplish the back, can install internal toothed disc 8, internal fluted disc 8 can with workstation dish 51 fixed connection, wherein, set up in this swivel work head and can order about down fluted disc 7 and be close to and contact the hydraulic oil of fluted disc 4 and internal toothed disc 8. The lower gear disc 7 is provided with lower gears 71, the upper gear disc 4 is provided with upper gears 41 which can be meshed with the lower gears 71, the inner gear disc 8 is provided with inner gears 81 which can be meshed with the lower gears 71, and by arranging the lower gear disc 7, the inner gear disc 8 and the upper gear disc 4, after the lower gears 71 are meshed with the upper gears 41 and the lower gears 71 are meshed with the inner gears 81, enough locking force can be generated to lock the workbench set 5, so that the workbench set cannot shake in machining, and accurate machining is realized. A roller belt 82 is arranged between the upper toothed disc 4 and the inner toothed disc 8, and a plurality of rollers 821 which can rotate are arranged on the roller belt 82 to reduce the friction force between the upper toothed disc 4 and the inner toothed disc 8.
In this example, a first middle axle movable ring 33 may be disposed on the outer side of the rotating shaft 32, a second middle axle movable ring 34 may be disposed on the outer side of the first middle axle movable ring 33, the first middle axle movable ring 33 is not fixedly connected to the rotating shaft 32 and does not rotate with the rotation of the rotating shaft 32, when the device is installed, the first middle axle movable ring 33 is sleeved on the rotating shaft 32, the second middle axle movable ring 34 is sleeved on the first middle axle movable ring 33, the second middle axle movable ring 34 is fixedly connected to the lower toothed disc 7, and the second middle axle movable ring 34 can be lifted by adding hydraulic oil, so as to drive the lower toothed disc 7 to lift.
The rotary workbench further comprises a clamp releasing switch 10, wherein the clamp releasing switch 10 comprises a connecting block 101 arranged on the outer side of the second middle shaft movable ring 34 and a body 102 arranged on the base 1; the connecting block 101 is provided with a clamping groove 1011, the body 102 is provided with a clamping rod 1021, a connecting rod 1022, a rotating rod 1023, a contact rod 1024, a first contact 1025 and a second contact 1026, the clamping rod 1021 is clamped in the clamping groove 1011, one end of the connecting rod 1022 is connected with the clamping rod 1021, the other end of the connecting rod 1022 is connected with the other end of the rotating rod 1023, the other end of the rotating rod 1023 is connected with the middle of the contact rod 1024, one end of the contact rod 1024 can be in contact with the first contact 1025, the other end of the contact rod 1024 can be in contact with the second contact 1025, the rotating rod 1023 rotates to drive the contact rod 1024 to be in contact with one of the first contact 1025 and the second contact 1026, and the contact rod can send an instruction to the driving motor through a connecting line after being in contact with the first contact 1025, so that the worm and the turbine 311 stop rotating.
Because the connecting block 101 is arranged outside the second middle shaft movable ring 34, the connecting block 101 is provided with the clamping groove 1011, the clamping rod 1021 is clamped into the clamping groove 1011, when the second middle shaft movable ring 34 is driven by hydraulic oil to ascend, the connecting block 101 is driven to ascend, the connecting block 101 ascends to drive the clamping rod 1021 to ascend, the clamping rod 1021 ascends to drive the connecting rod 1022 to rotate, the connecting rod 1022 rotates to drive the rotating rod 1023 to rotate, the rotating rod 1023 rotates to drive the rotating rod 1024 to rotate, so that an instruction is sent to the driving motor after the contact rod 1024 is driven to be contacted with the first contact 1025, the worm and the turbine 311 stop rotating, the rotating shaft 32 stops rotating, the lower teeth 71 are conveniently meshed with the upper teeth 41, and the lower teeth 71 are meshed with the inner teeth 81, and therefore sufficient locking force is generated. By providing the unclamp switch 10 such that the rotation shaft 32 stops rotating before the lower teeth 71 mesh with the upper teeth 41 and the lower teeth 71 mesh with the inner teeth 81, the teeth are prevented from being damaged.
Further, in step S5, the length of the telescopic frame 62 and the angle of the dial indicator 64 are adjusted, then the worktable group 5 is placed on the central shaft group 3, the length of the telescopic frame 62 and the angle of the dial indicator 64 are continuously adjusted, so that the end of the dial indicator 64 contacts with the side wall of the worktable group 5, the mounting rod 65 is rotated, the dial indicator 64 rotates around the side wall of the worktable group 5, the position of the worktable group 5 is adjusted, until the pointer points to a certain position and does not move when the dial indicator 64 rotates around the side wall of the worktable group 5, so that the center of the worktable group 5, the center of the upper gear plate 4, the center of the central shaft group 3, the center of the bearing sleeve 2, and the center of the base 1 are located on the same straight line.
The groove 521 is arranged in the workbench center 52, the workbench center 52 is installed, the workbench center 52 can be fixed on the rotating shaft 32 through screws in half, then the length of the expansion bracket 62 and the angle of the dial indicator 64 are adjusted, the end part of the dial indicator 64 is in contact with the side wall of the groove 521 of the workbench center 52, the installation rod 65 is rotated, the dial indicator 64 rotates around the side wall of the groove 521 of the workbench center 52, the position of the workbench center 52 is adjusted, when the dial indicator 64 rotates around the side wall of the workbench center 52, a pointer points to a certain position and does not move, and finally the workbench center 52 is fastened on the rotating shaft 32 through screws.
In addition, before step S1, wash all spare parts, will prevent to remain the filth on the spare part and influence the equipment for the equipment is more accurate, after step S5, carries out the precision grinding with workstation group 5, if can grind the quotation of workstation group 5, side, centre bore, can grind the base simultaneously, in order to ensure the precision, removes artifical shovel portion from, and then raises the efficiency, quotation precision.
In this example, the bearing 9 is disposed on the outer wall of the rotating shaft 32, the middle shaft fixing ring 91 is disposed at the bottom of the rotating shaft 32, and the bearing 9 is located between the middle shaft fixing ring 91 and the bearing sleeve 2, so that the rotating shaft 32 can rotate more smoothly, wherein the external thread 321 is formed at the bottom of the rotating shaft 32, the internal thread 911 is formed in the middle shaft fixing ring 91, the internal thread 911 is in threaded connection with the external thread 321, so that the bearing 9 is fixed between the middle shaft fixing ring 91 and the bearing sleeve 2, after installation, the outer side of the bearing 9 abuts against the inner wall of the bearing sleeve 2, and the inner side of the bearing 9 abuts against the outer wall of the rotating shaft 32. After the bearing sleeve 2 is corrected, the bearing 9 is sleeved into the rotating shaft 32, so that the outer side of the bearing 9 abuts against the inner wall of the bearing sleeve 2, the inner side of the bearing 9 abuts against the outer wall of the rotating shaft 32, and the rotating shaft 32 rotates more smoothly.
Wherein, the bearing sleeve 2 is provided with a first limit bulge 21; the bearing 9 comprises an outer ring 92, an inner ring 93 and rolling bodies 94 arranged in the outer ring 92 and the inner ring 93, the upper end of the outer ring 92 abuts against the first limiting protrusion 21, the outer side of the outer ring 92 abuts against the bearing sleeve 2, a second limiting protrusion 912 is arranged on the middle shaft fixing ring 91, and the second limiting protrusion 912 abuts against the lower end of the inner ring 93. During installation, the middle shaft fixing ring 91 is only required to be screwed at the bottom of the rotating shaft 32, so that the bearing 9 moves upwards, the lower end of the inner ring 93 of the bearing 9 is driven to abut against the second limiting protrusion 912 on the middle shaft fixing ring 91, and the upper end of the outer ring 92 of the bearing 9 abuts against the first limiting protrusion 921, and the bearing 9 is installed quickly. After the bearing sleeve 2 is corrected, the axial center line of the mounted bearing 9 is superposed with the axial center line of the bearing sleeve 2, so that the rotating shaft 32 rotates smoothly without deflection. Wherein, the bearing 9 can be a deep groove ball bearing.
In conclusion, the invention has lower requirement on the machining precision of each part, and the machining cost and the rejection rate of each part are reduced to the greatest extent. The processing cost of some spare parts that the machining precision required is high is very big, and the disability rate is high. The invention can greatly reduce the processing cost due to lower processing precision requirement of the parts, enlarge the clearance tolerance of the fit of the parts and the parts, and have more effective assembly process.
Compared with the prior art, the invention adopts the assembly method with consistent circle centers, so that the circle centers of a plurality of parts of the rotary worktable are positioned on the same straight line, thereby ensuring high assembly precision and good stability.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (10)
1. The assembly process of the rotary workbench is characterized in that: the method comprises the following steps:
s1, confirming the circle center position of a base and correcting;
s2, mounting the bearing sleeve on the base and correcting to enable the axial center line of the bearing sleeve to be superposed with the axial center line of the base;
s3, mounting the middle shaft group on the bearing sleeve and correcting to enable the circle center of the middle shaft group, the circle center of the bearing sleeve and the circle center of the base to be located on the same straight line;
s4, the upper fluted disc is installed on the base and corrected, so that the circle center of the upper fluted disc, the circle center of the middle shaft group, the circle center of the bearing sleeve and the circle center of the base are located on the same straight line;
s5, mounting the workbench set on the middle shaft set and correcting to enable the circle center of the workbench set, the circle center of the upper fluted disc, the circle center of the middle shaft set, the circle center of the bearing sleeve and the circle center of the base to be located on the same straight line;
in steps S1 to S5, a calibration jig is used to perform calibration.
2. A process of assembling a rotary table according to claim 1, wherein: the correction tool sets up the mounting hole of stepping down including supplying that the base is placed placing board, adjustable length's expansion bracket, mounting panel and amesdial, placing on the board, expansion bracket one end sets up on placing the board, and mounting panel one end is connected with the expansion bracket other end, and the rotatable installation pole that sets up on the mounting panel, the board is placed to the axial direction perpendicular to of installation pole, and the rotatable setting of amesdial is in order to adjust the angle of amesdial and installation pole at the tip of installation pole.
3. A process of assembling a rotary table according to claim 2, wherein: in step S1, arrange the base in place the board on, adjust the angle of expansion bracket length and amesdial for the tip of amesdial and the inside wall contact of base, rotatory installation pole makes the amesdial rotate round the inside wall of base, adjusts the base position, and when the inside wall that until the amesdial rotated round the base, the pointer indicated to a certain position and was motionless.
4. A process of assembling a rotary table according to claim 2, wherein: in step S2, the bearing sleeve is placed at the bottom of the base from the abdicating mounting hole, the length of the expansion bracket and the angle of the dial indicator are adjusted, so that the end part of the dial indicator is in contact with the inner side wall of the bearing sleeve, the mounting rod is rotated, the dial indicator rotates around the inner side wall of the bearing sleeve, the position of the bearing sleeve is adjusted, and the pointer points to a certain position and does not move until the dial indicator rotates around the inner side wall of the bearing sleeve, so that the axial center line of the bearing sleeve is overlapped with the axial center line of the base.
5. A process of assembling a rotary table according to claim 2, wherein: the middle shaft group comprises a driving mechanism and a rotating shaft, and the driving mechanism is connected with the rotating shaft and drives the rotating shaft to rotate.
6. A process of assembling a rotary table according to claim 2, wherein: in step S3, the length of the telescopic frame and the angle of the dial indicator are adjusted, then the middle shaft group is placed on the bearing sleeve, the length of the telescopic frame and the angle of the dial indicator are continuously adjusted, so that the end portion of the dial indicator contacts with the outer side wall of the middle shaft group, the mounting rod is rotated to enable the dial indicator to rotate around the outer side wall of the middle shaft group, and the position of the middle shaft group is adjusted until the dial indicator rotates around the outer side wall of the middle shaft group, the pointer points to a certain position and does not move, so that the center of circle of the middle shaft group, the center of circle of the bearing sleeve and the center of circle of the base are located on the same straight line.
7. A process of assembling a rotary table according to claim 2, wherein: in step S4, adjust the angle of expansion bracket length and amesdial, then arrange the last fluted disc on the base, continue adjusting the angle of expansion bracket length and amesdial, make the tip of amesdial and the inside wall contact of last fluted disc, rotatory installation pole, make the amesdial rotate round the inside wall of last fluted disc, the fluted disc position is gone up in the adjustment, until the amesdial when rotating round the inside wall of last fluted disc, the pointer indicates to a certain position and does not move, so that the centre of a circle of last fluted disc, the centre of a circle of well axle group, the centre of a circle of bearing housing, the centre of a circle of base is located same straight line.
8. A process of assembling a rotary table according to claim 2, wherein: in step S5, the length of the telescopic frame and the angle of the dial indicator are adjusted, the workbench set is then placed on the middle shaft set, the length of the telescopic frame and the angle of the dial indicator are continuously adjusted, so that the end portion of the dial indicator contacts with the side wall of the workbench set, the mounting rod is rotated, the dial indicator rotates around the side wall of the workbench set, the position of the workbench set is adjusted, and until the dial indicator rotates around the side wall of the workbench set, the pointer points to a certain position and does not move, so that the center of the workbench set, the center of the upper fluted disc, the center of the middle shaft set, the center of the bearing sleeve and the center of the base are located on the same straight line.
9. A process of assembling a rotary table according to claim 1, wherein: before step S1, all parts are cleaned.
10. A process of assembling a rotary table according to claim 1, wherein: after step S5, the table group is precision ground.
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| CN202210862470.3A CN115255914B (en) | 2022-07-21 | 2022-07-21 | Assembling process of rotary workbench |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201569402U (en) * | 2009-11-03 | 2010-09-01 | 南通中能机械制造有限公司 | Measuring tool for assembly groove arc of guide vane |
| CN103528486A (en) * | 2013-10-31 | 2014-01-22 | 南车戚墅堰机车有限公司 | Detection device of inner hole coaxiality of large disc type workpiece |
| CN103591878A (en) * | 2013-11-25 | 2014-02-19 | 中国南方航空工业(集团)有限公司 | Engine assembling device and assembling method |
| CN205915208U (en) * | 2016-07-05 | 2017-02-01 | 宝钢股份黄石涂镀板有限公司 | Grinding machine measures on -line monitoring device |
| CN107726969A (en) * | 2017-11-14 | 2018-02-23 | 佛山杰致信息科技有限公司 | A kind of multifunctional coaxial degree measuring instrument |
| CN211876900U (en) * | 2020-05-18 | 2020-11-06 | 苏州普拉米精密机械有限公司 | Bearing spherical surface detection device |
| CN112518310A (en) * | 2020-12-07 | 2021-03-19 | 中船九江精达科技股份有限公司 | Device and method for realizing high-precision coaxiality calibration of fluted disc |
| CN113523690A (en) * | 2021-08-03 | 2021-10-22 | 承德石油高等专科学校 | Correcting device and correcting method applied to lower cylinder of stacker-reclaimer in circular stock yard |
| CN113654447A (en) * | 2021-08-20 | 2021-11-16 | 浙江环动机器人关节科技有限公司 | Method and tool for quickly detecting coaxiality of assembly rack |
-
2022
- 2022-07-21 CN CN202210862470.3A patent/CN115255914B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201569402U (en) * | 2009-11-03 | 2010-09-01 | 南通中能机械制造有限公司 | Measuring tool for assembly groove arc of guide vane |
| CN103528486A (en) * | 2013-10-31 | 2014-01-22 | 南车戚墅堰机车有限公司 | Detection device of inner hole coaxiality of large disc type workpiece |
| CN103591878A (en) * | 2013-11-25 | 2014-02-19 | 中国南方航空工业(集团)有限公司 | Engine assembling device and assembling method |
| CN205915208U (en) * | 2016-07-05 | 2017-02-01 | 宝钢股份黄石涂镀板有限公司 | Grinding machine measures on -line monitoring device |
| CN107726969A (en) * | 2017-11-14 | 2018-02-23 | 佛山杰致信息科技有限公司 | A kind of multifunctional coaxial degree measuring instrument |
| CN211876900U (en) * | 2020-05-18 | 2020-11-06 | 苏州普拉米精密机械有限公司 | Bearing spherical surface detection device |
| CN112518310A (en) * | 2020-12-07 | 2021-03-19 | 中船九江精达科技股份有限公司 | Device and method for realizing high-precision coaxiality calibration of fluted disc |
| CN113523690A (en) * | 2021-08-03 | 2021-10-22 | 承德石油高等专科学校 | Correcting device and correcting method applied to lower cylinder of stacker-reclaimer in circular stock yard |
| CN113654447A (en) * | 2021-08-20 | 2021-11-16 | 浙江环动机器人关节科技有限公司 | Method and tool for quickly detecting coaxiality of assembly rack |
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| CN115255914B (en) | 2024-08-02 |
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