CN116603895A - Internal gear outer surface roundness detection and correction system - Google Patents
Internal gear outer surface roundness detection and correction system Download PDFInfo
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- CN116603895A CN116603895A CN202310570060.6A CN202310570060A CN116603895A CN 116603895 A CN116603895 A CN 116603895A CN 202310570060 A CN202310570060 A CN 202310570060A CN 116603895 A CN116603895 A CN 116603895A
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- 238000001514 detection method Methods 0.000 title claims abstract description 87
- 238000006073 displacement reaction Methods 0.000 claims description 47
- 230000008859 change Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2408—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring roundness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2433—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring outlines by shadow casting
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides an internal gear surface circularity detects and correction system, includes frame, supporting element, detecting element, correction unit and the control module who is connected with above-mentioned unit electricity, is provided with the workstation in the frame, and supporting element and detecting element set up on the workstation, and correction unit installs in the frame upper end. This scheme has designed an internal gear surface circularity detection and correction system, through parts such as supporting roller and drive mechanism of supporting unit, drive the internal gear and rotate the detection, detect unqualified position, control module control correction unit carries out the correction work of internal gear, keep flat the internal gear for among the prior art, on the one hand, the detection of internal gear that the inner circle is provided with the tooth provides convenience, the stability of internal gear when detecting has been guaranteed, make measuring result more accurate, on the other hand can find out that the circularity is with the deviation and correct at any time, save the process, make correction work more accurate and convenient.
Description
Technical Field
The application relates to the field of gear detection systems, in particular to an internal gear outer surface roundness detection and correction system.
Background
The internal gear is a gear with teeth arranged on an inner circle, is commonly used in a transmission system, such as gear transmission in an automobile gearbox, and generally has higher requirements on the precision of the internal gear in the transmission system, so that the high-precision transmission of the internal gear can be ensured, and in order to ensure the high precision of the internal gear, the high precision of parameters such as tooth shape, tooth pitch, tooth width and the like of the internal gear is required, and higher machining precision is also required for the roundness of the outer ring of the machined internal gear.
In the roundness detection of present internal gear, adopt roundness measuring equipment to detect, for example chinese patent number is CN210400357U, a ring gear roundness measuring equipment, keep the gear flat on measuring platform, servo motor drives the gear and rotates, detect the roundness of gear through measuring pin and sensor, above-mentioned roundness measuring equipment can carry out the detection of ring gear to a certain extent, but when actual use, because the internal gear inner circle is provided with the tooth, when driving its rotation, dislocation easily takes place and leads to the internal gear itself to produce the displacement, cause the testing result to appear the deviation, and can only detect the work, and can not timely correct the unqualified position of roundness, the practicality is relatively poor.
Disclosure of Invention
In order to solve the problems, the application provides the internal gear outer surface roundness detection and correction system, which is characterized in that an internal gear is borne and rotated through a supporting unit, a detection unit is contacted with the external surface of the internal gear, the roundness of the external surface is fed back in real time, a displacement signal is converted into an electric signal and transmitted to a control module, and the correction unit is controlled by the control module to correct the position of the internal gear to be corrected, so that the correction at any time in the detection process is realized.
The technical scheme of the application is as follows:
the system comprises a frame, a supporting unit, a detecting unit, a correcting unit and a control module electrically connected with the units, wherein a workbench is arranged on the frame, the supporting unit and the detecting unit are arranged on the workbench, and the correcting unit is arranged at the upper end of the frame; the control module is operable to control operation of the control devices of the support unit and the orthotic unit and to receive control signals transmitted by the detection unit.
The support unit comprises two support rollers which are rotatably arranged and are used for supporting the internal gear. When the internal gear is detected, the internal gear is vertically placed on the two supporting rollers, so that the problem that the horizontally placed internal gear is easy to move is solved.
The workbench is provided with a lifting unit, and the detection unit is rotationally connected to the lifting unit. The lifting unit can drive the detection unit to move up and down, so that the detection unit can adapt to detection work of internal gears of different models.
The detection unit comprises a detection piece for feeding back the roundness of the outer surface of the inner gear, one end of the detection piece is rotationally connected with the lifting unit, and the other end of the detection piece can move to the position right above the middle position of the two supporting rollers; the detecting piece of the detecting unit is used for contacting with the outer surface of the internal gear, and the roundness of the outer surface can be reflected through up-and-down rotation when the internal gear rotates.
It should be noted that, the position directly above the middle position of the two supporting rollers is the position directly above the center point of the middle position, and is the position circumscribed by the center position of the highest position of the detecting piece when the detecting piece can be placed vertically with the internal gear, that is, the position circumscribed by the highest point of the center plane perpendicular to the axis of the internal dimension.
And the lifting unit is provided with a displacement sensor electrically connected with the control module and used for monitoring the displacement change of the detection piece. The displacement sensor converts a displacement signal into an electric signal and transmits the electric signal to the control module, the displacement sensor is used for sensing the displacement of the detection piece, then roundness information of the internal gear is transmitted to the control module, and the control module controls the next action of the whole system according to the roundness information.
The correction unit comprises a driving cylinder which is arranged at the upper end of the frame and is electrically connected with the control module, the output end of the driving cylinder is arranged towards the supporting unit, the output end of the driving cylinder is connected with a lifting plate, correction blocks are symmetrically arranged at the bottom of the lifting plate, the correction blocks can be in contact with the inner gear and squeeze the inner gear under the driving of the driving cylinder, and the projections of the correction blocks in the vertical direction are positioned at two sides of the detection part. When unqualified roundness positions are detected, the control module controls the driving rod to work, the driving cylinder drives the correction block to move downwards, the internal gear is extruded, and the correction work of the positions with unqualified roundness is realized.
In order to ensure that the detection piece can detect the vertically placed internal gear and correct the work by matching with the correcting unit, the axis of the supporting roller is perpendicular to the rotation plane of the detection piece. The axial line of the placed internal gear is perpendicular to the rotation plane where the detection piece is located, and the displacement accuracy of the detection piece is guaranteed.
Further, the correction block is arranged parallel to the rotation plane of the detection piece. The correction block is guaranteed to accurately fall to the position of the detected internal gear which does not accord with the standard to carry out extrusion correction when moving downwards.
In order to ensure that the correction block can accurately correct the internal gear, the position of the correction block can cover the transverse center line of the bottom surface of the lifting plate, and the bottom surface of the correction block is a plane. The correcting block with the bottom surface being arranged as a plane can be in direct contact with the top of the internal gear, and can directly and rapidly finish correcting work.
The horizontal center line of the bottom surface of the lifting plate is a horizontal center line when the bottom surface looks up, namely, a center line perpendicular to the rotation plane of the detecting element.
In order to adapt to the correcting work of the internal gears with different widths, the correcting blocks are arranged on the bottom surface of the lifting plate and symmetrically arranged relative to the rotating plane of the detecting piece, and part of the correcting blocks can transversely slide. The gliding correction piece can be assembled and used, and the use quantity of correction piece is adjusted according to the width of the internal gear of waiting to detect the correction for the width of correction piece and the width adaptation of internal gear improve the efficiency of correction work.
In order to save power, the two supporting rollers are driven to synchronously rotate by a driving device, and the driving device is electrically connected with the control module. The control module can control the opening or closing of the driving device.
For the easy to assemble supporting roller to can adjust the detection of the internal gear of different sizes with adjusting the distance between two supporting rollers, be provided with two mounting brackets on the workstation, the supporting unit still includes two roller frames that are used for the rotation to install supporting roller, and two roller frames are installed between the mounting bracket, and the interval is adjustable.
In order to realize that the detection piece can be driven to move up and down to adapt to detection of internal gears with different sizes, the lifting unit comprises a mounting base arranged on the workbench, a threaded rod and a limiting shaft are vertically arranged on the mounting base, and lifting blocks are arranged on the threaded rod and the limiting shaft in a penetrating manner; the threaded rod is driven to rotate by the power device to drive the lifting block to move up and down; the lifting block is rotatably connected with the detection piece towards one side of the supporting unit. After the internal gear is placed on the supporting unit, the lifting block is driven to move up and down by the power device, and then the detection piece is driven to move up and down, so that the detection piece is contacted with the top of the internal gear.
For further conveniently adjusting the size of detecting member adaptation internal gear, the detecting member is telescopic detection member, the setting is rotated with the lifter to the detection member, the one end that the lifter was kept away from to the detection member rotates and is connected with the detection wheel, the height of detection wheel is less than the height of correction piece. The detecting wheel is in contact with the internal gear, friction between the detecting wheel and the internal gear can be reduced, and abrasion of the internal gear and the detecting piece can be avoided simultaneously.
Further preferably, the displacement sensor is a photoelectric displacement sensor, the displacement sensor is mounted at the upper end of the lifting block, and the displacement sensor is located right above the detection rod piece. The photoelectric displacement sensor is arranged in a non-contact manner with the detection piece, so that abrasion of the displacement sensor is reduced, the service life of the displacement sensor is prolonged, and the displacement sensor is arranged right above the detection rod piece for accurately monitoring displacement of the detection rod piece.
Compared with the prior art, the application has the following beneficial effects: this scheme has designed an internal gear surface circularity detection and correction system, through parts such as supporting roller and drive mechanism of supporting unit, drive the internal gear and rotate the detection, detect unqualified position, control module control correction unit carries out the correction work of internal gear, keep flat the internal gear for among the prior art, on the one hand, the detection of internal gear that the inner circle is provided with the tooth provides convenience, the stability of internal gear when detecting has been guaranteed, make measuring result more accurate, on the other hand can find out that the circularity is with the deviation and correct at any time, save the process, make correction work more accurate and convenient.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application.
In the drawings:
FIG. 1 is an isometric view of a detection and correction system according to an embodiment;
FIG. 2 is a right side view of the detection and correction system according to the embodiment;
FIG. 3 is a diagram of the installation of equipment on a workbench in an embodiment;
FIG. 4 is a block diagram of a supporting unit in an embodiment;
FIG. 5 is a diagram showing the structure of a detecting unit and a lifting unit in the embodiment;
FIG. 6 is a front view of a detection and correction system according to an embodiment;
FIG. 7 is a block diagram of a correction unit in an embodiment;
the components represented by the reference numerals in the figures are:
1. a frame; 2. a supporting unit; 21. a support roller; 22. a driving device; 221. a driving motor; 222. a first pulley; 223. a second pulley; 224. a first belt; 225. a driving wheel; 226. a second belt; 23. a roller frame; 24. a clamping block; 25. a clamping groove; 26. a belt adjusting wheel; 3. a detection unit; 31. a detecting member; 311. detecting a rod piece; 312. a detection wheel; 32. a displacement sensor; 4. a correction unit; 41. a drive cylinder; 42. a lifting plate; 43. a correction block; 44. a support shaft; 5. a work table; 6. a lifting unit; 61. a mounting base; 62. a threaded rod; 63. a limiting shaft; 64. a lifting block; 65. a power device; 7. and (5) mounting a frame.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art, and the disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein.
The directions "front and rear", "left and right", and the like mentioned in the present application are only used to express relative positional relationships, and are not restricted by any specific directional references in practical applications.
Examples
The roundness detection and correction system for the outer surface of the internal gear in this embodiment, as shown in fig. 1 and 2, includes a frame 1, a supporting unit 2, a detecting unit 3, a correction unit 4 and a control module electrically connected with the above units, when the outer surface of the internal gear is detected and corrected, the supporting unit 2 can drive the tested internal gear to rotate, the detecting end of the detecting unit 3 is adjusted to contact with the outer surface of the internal gear, if the outer surface of the internal gear is raised, a small displacement can be generated on the detecting end, a displacement signal is received by a displacement sensor 32 of the detecting unit 3, converted into an electrical signal, transmitted to the control module, compared with a preset value set, if the electrical signal does not meet the standard, the control module controls the supporting unit 2 to stop rotating, and starts the correction unit 4 to correct the internal gear, and then the detection work is continued after the correction is completed. The following is a detailed description with reference to the drawings.
In this embodiment, a workbench 5 is disposed on the frame 1, the workbench 5 may be mounted on the frame 1 by means of bolting, etc., the supporting unit 2 and the detecting unit 3 are disposed on the workbench 5, as shown in fig. 3, the upper half of the frame 1 is in the form of a gantry, the correcting unit 4 is mounted on the gantry at the upper end of the frame 1, the supporting unit 2 is at the lower end of the gantry, and the detecting end of the detecting unit 3 extends to below the gantry.
Specifically, referring to fig. 4, the supporting unit 2 includes two supporting rollers 21 which are rotatably arranged and used for supporting the internal gear, when the internal gear is placed, the axis of the internal gear is arranged in a direction parallel to the supporting rollers 21, two mounting frames 7 are further arranged on the workbench 5, the supporting unit 2 further includes two roller frames 23 which are used for rotatably mounting the supporting rollers 21, the two roller frames 23 are mounted between the mounting frames 7, the roller frames 23 are of a U-shaped frame structure, the two roller frames 23 are oppositely arranged, one of the roller frames 23 is adjustably arranged, the distance between the two roller frames 23 can be adjusted on the workbench 5 and is used for adapting to internal gears with different sizes, clamping blocks 24 are arranged on two sides of the workbench 5, clamping grooves 25 which are matched with the clamping blocks 24 are formed in the workbench 5, and the clamping blocks 24 and the clamping grooves 25 are matched to fix the roller frames 23.
In order to cooperate adjustable roller frame 23, detecting element 3 still is connected with elevating element 6, combine fig. 5, be used for adjusting detecting element 3's height, in order to adapt to the internal gear of different model sizes, wherein elevating element 6 is including installing the base 61 on workstation 5, install threaded rod 62 and spacing axle 63 on the base 61 vertically, spacing axle 63 is provided with two, the last elevating block 64 that runs through of threaded rod 62 and spacing axle 63, and elevating block 64 and threaded rod 62 threaded connection, with spacing axle 63 sliding connection, threaded rod 62 passes through power device 65 drive rotation, power device 65 can be the elevator motor, drive elevating block 64 reciprocates, elevating block 64 rotates towards one side of supporting element 2 and connects detecting element 31, then drive detecting element 31 reciprocates, adjust detecting element 31's height according to the height of internal gear, until drive detecting element 31 and the surface contact of internal gear.
Further, in order to realize the rotation detection of the driven internal gear, the two supporting rollers 21 are synchronously rotated by the driving device 22, the driving device 22 comprises a driving motor 221 arranged on the workbench 5, the driving motor 221 is electrically connected with a control module, the control module can control the operation and the closing of the driving device 22, the driving motor 221 drives the two supporting rollers 21 to rotate by a transmission mechanism, the transmission mechanism comprises a first belt pulley 222 arranged with one supporting roller 21 and two second belt pulleys 223 arranged with the other supporting roller 21, the belt pulleys can be connected with the supporting rollers by a shaft, the two second belt pulleys 223 are arranged on the shaft by a side-by-side mode, the first belt pulley 222 is connected with one of the second belt pulleys 223 by a first belt 224, the first belt pulley 222 and the connected second belt pulley 223 are positioned on the same horizontal plane in the horizontal direction, the output end of the driving motor 221 is connected with a driving wheel 225, the driving wheel 225 is connected with the other second belt pulley 223 through a second belt 226, the driving wheel 225 and the connected second belt pulley 223 are positioned on the same horizontal plane in the horizontal direction, one side of the workbench 5 close to the adjustable roller frame 23 is rotatably provided with a belt adjusting wheel 26, the belt adjusting wheel 26 and the first belt pulley 222 are positioned on the same horizontal plane, the belt adjusting wheel 26 is connected with the workbench 5 through a rotatable rotating shaft, the rotating shaft can adopt a Z-shaped shaft to conveniently drive the belt adjusting wheel 26 to rotate and change the position, and the belt adjusting wheel 26 can adjust tightness of the first belt 224 in cooperation with the movement of the roller frame 23.
Specifically, the position of the belt adjusting wheel 26 is adjusted according to the distance between the roller frames 23, the first belt 224 is tensioned, the driving motor 221 is started to drive the driving wheel 225 to rotate, the driving wheel 225 and the first belt 224 and the second belt 226 cooperate to drive the two supporting rollers 21 to rotate, then the internal gear is driven to rotate for detection, and if an abnormal part is detected, the control module controls the driving motor 221 to stop rotating for subsequent correction work.
In this embodiment, the detecting unit 3 includes a detecting member 31 for feeding back the roundness of the outer surface of the inner gear, the detecting member 31 is a telescopic detecting member 311, the detecting member 311 is rotatably disposed with the lifting block 64, one end of the detecting member 311 away from the lifting block 64 is rotatably connected with a detecting wheel 312, the detecting wheel 312 can extend to a position right above the middle position of the two supporting rollers 21, when detecting, the detecting wheel 312 contacts with the outer surface of the inner gear, that is, circumscribed with the center position of the highest position when vertically placed in the inner gear, that is, circumscribed with the highest point of the center surface perpendicular to the axis of the inner dimension, so that the abrasion degree of the detecting member 31 can be reduced, a displacement sensor 32 for monitoring the displacement of the detecting member 31 is disposed right above one side of the detecting member 31 close to the lifting block 64, the displacement sensor 32 is a photoelectric displacement sensor 32, the photoelectric displacement sensor 32 has the advantages of avoiding abrasion, improving the service life, the displacement collecting end of the displacement sensor 32 is disposed towards the detecting member 31, the displacement sensor 32 converts the displacement signal into an electrical signal, and the electrical signal is transmitted to the control module, and the control module is controlled to control the supporting unit 2 or stop the operation or the correction unit according to the change of the control module. During detection, the length of the detection rod piece 311 is adjusted according to the internal gear to be detected, so that the detection wheel 312 is in contact with the highest point of the outer surface of the internal gear, if the position with non-standard roundness exists in the internal gear rotating process, the detection wheel 312 is pushed to drive the detection rod piece 311 to rotate upwards, the displacement sensor 32 receives a displacement signal of the detection rod piece 311 and transmits the displacement signal to the control module, if the displacement signal does not meet the standard, the control module controls the driving motor 221 to stop rotating, the correction unit 4 is controlled to correct, in the correction process, the displacement sensor 32 receives a downward displacement signal of the detection rod piece 311 until the detection rod piece 311 is reset, the signal is transmitted to the control module, the correction unit 4 is controlled to stop working, the driving motor 221 continues working, and subsequent detection is continued.
Preferably, referring to fig. 6 and 7, the correction unit 4 includes a driving cylinder 41 disposed at an upper end of the frame 1, the driving cylinder 41 is electrically connected with a control module, the control module can control the operation and stop of the driving cylinder 41, an output end of the driving cylinder 41 is connected with a lifting plate 42, the output end of the driving cylinder 41 is disposed towards the supporting unit 2, two sides of the driving cylinder 41 are provided with support shafts 44 capable of sliding up and down, the support shafts 44 penetrate through the upper end of the frame 1 and are connected with the lifting plate 42, in a correction process, the support shafts 44 raise tension for the lifting plate 42, stability in the correction process is improved, correction blocks 43 for correcting roundness of an internal gear are symmetrically disposed at the bottom of the lifting plate 42, projections of the correction blocks 43 in a vertical direction are disposed at two sides of the detection member 31, the correction blocks 43 are disposed at a plurality of bottom surfaces of the lifting plate 42, and the two correction blocks 43 in the middle are fixed blocks, the distance between the two fixed blocks is larger than the width of the detection wheel 312, and the detection wheel 312 is positioned at the center position between the two correction blocks 43 in the vertical direction, and the more suitable the width between the correction blocks 43 and the width of the detection wheel 312 is, the more suitable the contact area between the correction blocks 43 and the outer surface of the internal gear to be corrected can be increased, the optimal effect of correction time and correction effect can be achieved, the correction blocks 43 on two sides of the two fixed blocks are sliding blocks and are arranged in a sliding manner at the bottom of the lifting plate 42, and the shape and the like of the two adjacent correction blocks 43 can be assembled for use, so that the correction of internal gears with different widths is adapted. During detection, the number of the correction blocks 43 is selected according to the width of the internal gear, the correction blocks 43 are assembled and used, if the detection unit 3 detects that the roundness does not meet the standard, the control module controls the driving motor 221 to stop working, controls the driving cylinder 41 to work, drives the lifting plate 42 to move downwards, and then drives the correction blocks 43 to move towards the top of the internal gear and press the outer surface of the internal gear downwards, so that the parts which do not meet the standard are corrected.
Specifically, when the roundness of the inner gear is detected and corrected, the distance between the two roller frames 23 is adjusted according to the size of the inner gear, the inner gear is placed on the supporting roller 21, the lifting unit 6 adjusts the height of the detecting rod 311 to be suitable for the height of the inner gear, the length of the detecting rod 311 is adjusted to enable the detecting wheel 312 to be in contact with the highest point of the outer surface of the inner gear, the correction block 43 is selected according to the width of the inner gear, the correction block 43 is assembled and used, the driving motor 221 is started, the inner gear is driven to rotate, if the roundness is not standard, the detecting wheel 312 is pushed to drive the detecting rod 311 to rotate upwards, the displacement sensor 32 receives a displacement signal of the detecting rod 311 and transmits the displacement signal to the control module, the control module controls the driving motor 221 to stop rotating, the driving cylinder 41 is driven to move downwards, the correction block 43 is driven to move towards the top of the inner gear and press the outer surface downwards, after correction is completed, the position which is not in accordance with the standard is selected, the correction block 43 is controlled to stop working, the driving motor 221 is controlled to continue working, and when the inner gear is detected to continue to rotate, the detection ring is completely, and the roundness of the inner gear is completely detected and the displacement sensor 32 is completely changes, and the detection ring is completely detected, and the roundness is completely changed, and the detection ring is completely after the detection is completely detected.
Claims (10)
1. The system for detecting and correcting the roundness of the outer surface of the inner gear is characterized by comprising a frame (1), a supporting unit (2), a detecting unit (3), a correcting unit (4) and a control module electrically connected with the units, wherein a workbench (5) is arranged on the frame (1), the supporting unit (2) and the detecting unit (3) are arranged on the workbench (5), and the correcting unit (4) is arranged at the upper end of the frame (1);
the supporting unit (2) comprises two supporting rollers (21) which are rotatably arranged and are used for supporting the internal gear;
the workbench (5) is provided with a lifting unit (6), and the detection unit (3) is rotationally connected to the lifting unit (6);
the detection unit (3) comprises a detection piece (31) for feeding back the roundness of the outer surface of the inner gear, one end of the detection piece (31) is rotationally connected with the lifting unit (6), and the other end of the detection piece can move to the position right above the middle position of the two supporting rollers (21);
the lifting unit (6) is provided with a displacement sensor (32) electrically connected with the control module and used for monitoring the displacement change of the detection piece (31);
the correction unit (4) comprises a driving cylinder (41) which is arranged at the upper end of the frame (1) and is electrically connected with the control module, the output end of the driving cylinder (41) is arranged towards the supporting unit (2) and is connected with a lifting plate (42), correction blocks (43) are symmetrically arranged at the bottom of the lifting plate (42), the correction blocks (43) can be in contact with the inner gear and squeeze the inner gear under the driving of the driving cylinder (41), and the projections of the correction blocks (43) in the vertical direction are positioned at two sides of the detection piece (31).
2. An internal gear outer surface roundness detection and correction system according to claim 1, characterized in that the axis of said supporting roller (21) is perpendicular to the rotation plane of the detecting member (31).
3. An internal gear outer surface roundness detection and correction system according to claim 2, characterized in that said correction block (43) is disposed parallel to the rotation plane of the detection member (31).
4. The system for detecting and correcting roundness of the outer surface of an internal gear according to claim 1, wherein the correcting block (43) is disposed at a position to cover the lateral center line of the bottom surface of the lifter plate (42), and the bottom surface of the correcting block (43) is a plane.
5. The system for detecting and correcting roundness of the outer surface of an internal gear according to claim 4, wherein the plurality of correction blocks (43) are provided on the bottom surface of the lifter plate (42) and are symmetrically arranged with respect to the rotation plane of the detecting element (31), and part of the correction blocks (43) can slide laterally.
6. The internal gear outer surface roundness detection and correction system according to claim 1, characterized in that two supporting rollers (21) are driven to synchronously rotate by a driving device (22), and the driving device (22) is electrically connected with a control module.
7. The system for detecting and correcting the roundness of the outer surface of an internal gear according to claim 6, wherein two mounting frames (7) are arranged on the workbench (5), the supporting unit (2) further comprises two roller frames (23) for rotatably mounting the supporting roller (21), and the two roller frames (23) are mounted between the mounting frames (7) and have adjustable intervals.
8. The internal gear outer surface roundness detection and correction system according to claim 7, characterized in that the lifting unit (6) comprises a mounting base (61) mounted on the workbench (5), a threaded rod (62) and a limiting shaft (63) are vertically mounted on the mounting base (61), and lifting blocks (64) are arranged on the threaded rod (62) and the limiting shaft (63) in a penetrating manner;
the threaded rod (62) is driven to rotate through a power device (65) to drive the lifting block (64) to move up and down;
the lifting block (64) is rotatably connected with the detecting piece (31) towards one side of the supporting unit (2).
9. The system for detecting and correcting roundness of the outer surface of an internal gear according to claim 8, wherein the detecting member (31) is a telescopic detecting member (311), the detecting member (311) is rotatably arranged with the lifting block (64), one end of the detecting member (311) away from the lifting block (64) is rotatably connected with a detecting wheel (312), and the height of the detecting wheel (312) is smaller than that of the correcting block (43).
10. The system for detecting and correcting roundness of the outer surface of an internal gear according to claim 9, wherein the displacement sensor (32) is a photoelectric displacement sensor, the displacement sensor (32) is mounted at the upper end of the lifting block (64), and the displacement sensor (32) is located right above the detecting rod (311).
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| CN206779191U (en) * | 2017-06-07 | 2017-12-22 | 重庆电子工程职业学院 | A kind of automobile mechanical rotating shaft apparatus for correcting |
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| CN116603895B (en) | 2023-10-20 |
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Denomination of invention: A roundness detection and correction system for the outer surface of internal gears Granted publication date: 20231020 Pledgee: Shandong Feicheng Rural Commercial Bank Co.,Ltd. Pledgor: Shandong purer Machinery Manufacturing Co.,Ltd. Registration number: Y2024980000763 |