CN109654976B - Screw rotor detection table based on PLC control - Google Patents
Screw rotor detection table based on PLC control Download PDFInfo
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- CN109654976B CN109654976B CN201811451652.1A CN201811451652A CN109654976B CN 109654976 B CN109654976 B CN 109654976B CN 201811451652 A CN201811451652 A CN 201811451652A CN 109654976 B CN109654976 B CN 109654976B
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
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Abstract
The invention provides a screw rotor detection table based on PLC control, and belongs to the technical field of screw detection. The screw rotor detection table based on PLC control comprises a workbench and a plurality of probes, wherein a control device, a screw rotor placing frame and a probe detection frame are arranged on the workbench; the control device comprises a PLC (programmable logic controller), a display and an input device, the screw rotor placing frame comprises a first support column, a second support column, a connecting column, a first upper ejector pin, a second upper ejector pin, a third upper ejector pin, a first lower ejector pin, a second lower ejector pin and a third lower ejector pin, the first support column and the second support column are connected through the connecting column, and the probe detection frame comprises an adjusting motor, an installation frame and a swinging structure. The invention not only can support and mesh the screw rotor, but also can adjust the position of the probe, thereby being convenient for the detection of the meshing clearance of the screw rotor and the molded line of any end face.
Description
Technical Field
The invention belongs to the technical field of screw detection, relates to a detection table, and particularly relates to a screw rotor detection table based on PLC control.
Background
At present, the grinding processing of the screw rotor adopts a process method of separately carrying out grinding wheel dressing, grinding wheel dressing and screw rotor grinding, namely, required grinding wheel section data is designed and calculated according to size parameters of a grinding workpiece to generate a CNC dressing program of the grinding wheel, the grinding wheel is dressed by using the dressing program, and the workpiece is ground by using the dressed grinding wheel, so that the size precision of the screw rotor is ensured. Therefore, the detection of the dimensional accuracy of the screw rotor becomes a technical key and a technical problem.
At present, through search, for example, chinese patent literature discloses a method for detecting a screw rotor end profile by laser [ patent No.: ZL 201310365949.7; authorization notice number: CN103438828B ]. The method for detecting the screw rotor end section by laser relates to the detection of a screw rotor, and utilizes the measuring advantages of high precision, non-contact and long service life of a laser displacement sensor to move along the theoretical end section of the rotor to keep equidistant measurement, establishes the motion relation between a screw rotor rotating coordinate system and a coordinate system of a laser displacement sensor moving platform, calculates the normal vector of each type value point of the rotor end section, and avoids the interference phenomenon that a measured point is shielded by other profiles in the measuring process and the problem that the included angle between the normal vector of the measured point and the laser emitting direction exceeds the angle range which can be accurately measured by the laser displacement sensor by rotating the screw rotor.
The height of screw rotor machining precision is closely related with the detection of detecting instrument, and at present mainly relies on the manual work to go on to screw rotor's detection, easily receives external disturbance among the detection operation process, and not only detection efficiency is low, leads to detecting moreover easily to have great error, influences screw rotor's true data.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a screw rotor detection table based on PLC control, which not only can support and mesh a screw rotor, but also can adjust the position of a probe, thereby being convenient for detecting the meshing clearance of the screw rotor and the molded line of any end face.
The purpose of the invention can be realized by the following technical scheme:
a screw rotor detection table based on PLC control comprises a workbench and a plurality of probes, and is characterized in that the workbench is provided with a control device, a screw rotor placing frame and a probe detection frame; the control device comprises a PLC (programmable logic controller), a display and an input device, the screw rotor placing frame comprises a first support column, a second support column, a connecting column, a first upper ejector pin, a second upper ejector pin, a third upper ejector pin, a first lower ejector pin, a second lower ejector pin and a third lower ejector pin, the first support column and the second support column are connected through the connecting column, and the probe detection frame comprises an adjusting motor, an installation frame and a swing structure.
In the screw rotor detection table based on PLC control, a first annular groove is formed in the outer wall of a first support column, a first lower adjusting plate is horizontally fixed on the first annular groove, a first sliding block and a second sliding block are arranged in the first annular groove in a sliding mode, a second lower adjusting plate and a third lower adjusting plate are horizontally fixed on the first sliding block and the second sliding block, a first strip-shaped through hole is formed in the first lower adjusting plate, a first lower mounting block is arranged on the first strip-shaped through hole in a sliding mode, a first lower ejector pin is rotatably arranged on the upper surface of the first lower mounting block, a second strip-shaped through hole is formed in the second lower adjusting plate, a second lower mounting block is arranged on the second strip-shaped through hole in a sliding mode, a third strip-shaped through hole is formed in the third lower adjusting plate, a third lower mounting block is arranged on the third strip-shaped through hole in a sliding mode, and the third lower ejector pin is; the outer wall of pillar two on seted up ring channel two, ring channel two is improved level and is fixed with last regulating plate one, and slide in the ring channel two and set up slider three and slider four, slider three, slider four is last respectively the horizontal fixation have last regulating plate two, go up regulating plate three, go up and seted up bar through-hole four on the regulating plate one, it is provided with installation piece one to slide on the bar through-hole four, it rotates the lower surface that sets up at last installation piece one to go up thimble one, it has seted up bar through-hole five to go up on regulating plate two, it is provided with installation piece two to slide on bar through-hole five, it rotates the lower surface that sets up at last installation piece two to go up thimble two, it has seted up bar through-hole six to go up regulating plate three, it is provided with installation piece three to slide on bar through-.
The sample screw rotor and the two end faces of the journal of the screw rotor to be detected are provided with taper holes for the thimble to sink into, the sample screw rotor is supported between the upper thimble I and the lower thimble I, and the screw rotor to be detected can be supported between the upper thimble II and the lower thimble II or between the upper thimble III and the lower thimble III, so that meshing gap detection between a single screw rotor or two screw rotors and the sample screw rotor can be realized.
Lower thimble one, lower thimble two, lower thimble three, go up thimble one, go up thimble two, go up thimble three and can be along the bar through-hole one on the lower regulating plate one respectively, the bar through-hole two on the lower regulating plate two, the bar through-hole three on the lower regulating plate three, go up the bar through-hole four on the regulating plate one, the bar through-hole five on the upper regulating plate two, the bar through-hole six on the upper regulating plate three slides, can adjust interval each other according to sample screw rotor and the addendum circle diameter of the screw rotor who waits to detect, thereby can be applicable to the screw rotor of different length addendum circle diameters on a wider scale.
In addition, the lower adjusting plate I and the lower adjusting plate II can slide along the annular groove I through the sliding block I and the sliding block II respectively, and the upper adjusting plate I and the upper adjusting plate II can slide along the annular groove I through the sliding block III and the sliding block IV respectively, so that the sample screw rotor and the screw rotor to be detected are meshed with each other, and gap detection after the screw rotor is meshed is facilitated.
In the screw rotor detection table based on PLC control, two side surfaces of the first lower mounting block are respectively in threaded connection with a first lower fastening bolt and a second lower fastening bolt, two side surfaces of the second lower mounting block are respectively in threaded connection with a third lower fastening bolt and a fourth lower fastening bolt, and two side surfaces of the third lower mounting block are respectively in threaded connection with a fifth lower fastening bolt and a sixth lower fastening bolt; two side surfaces of the lower mounting block I are respectively in threaded connection with an upper fastening bolt I and an upper fastening bolt II, two side surfaces of the upper mounting block II are respectively in threaded connection with an upper fastening bolt III and an upper fastening bolt IV, and two side surfaces of the upper mounting block III are respectively in threaded connection with an upper fastening bolt V and an upper fastening bolt VI.
The lower fastening bolt I and the lower fastening bolt II realize clamping and positioning of the lower mounting block I after the position is adjusted, the lower fastening bolt III and the lower fastening bolt IV realize clamping and positioning of the lower mounting block II after the position is adjusted, the lower fastening bolt V and the lower fastening bolt VI realize clamping and positioning of the lower mounting block III after the position is adjusted, and similarly, the upper fastening bolt I and the upper fastening bolt II realize clamping and positioning of the upper mounting block I after the position is adjusted, the upper fastening bolt III and the upper fastening bolt IV realize clamping and positioning of the upper mounting block II after the position is adjusted, and the upper fastening bolt V and the upper fastening bolt VI realize clamping and positioning of the upper mounting block III after the position is adjusted, so that the stability of the screw rotor support and the stability of meshing between screw rotors are ensured.
In the screw rotor detection table based on PLC control, the first support column is vertically provided with a groove along the length direction, one end of the connecting column is arranged in the groove in a sliding mode, an extension spring is fixed to the inner bottom wall of the groove, the other end of the extension spring is fixed to the lower surface of the connecting column, and the lower surface of the second support column is fixed to the upper surface of the connecting column.
Extension spring is in the shrink state under the influence that does not have external force, makes the interval between pillar one and the pillar two minimum, is greater than under the prerequisite of minimum interval between the thimble at screw rotor's length, and when the thimble supported screw rotor, can produce and can produce the axial tension to extension spring, through extension spring's regulation to the screw rotor that is applicable to different length of wider.
In the above-mentioned screw rotor detects platform based on PLC control, the aperture of recess equal with the external diameter of spliced pole, a plurality of spacing grooves have been seted up to the inner wall circumference equidistant of recess, the spacing inslot all slides and is equipped with the stopper, and the stopper is all fixed on the one end outer wall that the spliced pole is located the recess. Thereby can avoid appearing the initiative rotation in the lower extreme of spliced pole respectively in the recess is adjusted to the telescopic, thereby guarantee stability.
In the above-mentioned screw rotor based on PLC control detects platform, the workstation on be fixed with diaphragm one, diaphragm one on vertically be provided with and rotate the motor, the output shaft that rotates the motor is vertical upwards, the output shaft tip that rotates the motor is fixed at the lower surface of pillar one, diaphragm one on vertically be fixed with riser one and riser two, seted up strip through-hole seven, strip through-hole eight on riser one, the riser two respectively, slide respectively on strip through-hole seven, the strip through-hole eight and be equipped with slider five, slider six, be fixed with diaphragm two between slider five and the slider six, pillar two rotate and set up on diaphragm two.
The rotating motor can drive the first supporting column to rotate, and the upper surface of the second supporting column is rotatably arranged on the second transverse plate through the bearing, so that the meshing clearance between the sample screw rotor and the screw rotor to be detected after meshing is more convenient. The second transverse plate can be adjusted up and down along the seventh strip-shaped through hole and the eighth strip-shaped through hole, so that the extension spring pushes the second support column upwards through the connecting column in the supporting process of the thimble screw rotor, and the stability of the vertical movement of the second support column can be guaranteed through the second transverse plate.
In the screw rotor detection table based on PLC control, a first support is arranged on a first lower adjusting plate, the first support comprises a first connecting plate and a second connecting plate fixed on the first connecting plate, the first connecting plate and the second connecting plate are perpendicular to each other, the first connecting plate is fixed on the first lower adjusting plate, a first sliding groove is formed in the upper surface of the second connecting plate and is opposite to a first strip-shaped through hole, a first low-speed motor is arranged on the first sliding groove in a sliding mode, a first circular through hole is vertically formed in a first lower mounting block, an output shaft of the first low-speed motor penetrates out of the first circular through hole, a bearing is arranged between the output shaft of the first low-speed motor and the inner wall of the first through hole, and a first lower ejector pin is; the upper adjusting plate I is provided with a second support, the second support comprises a third connecting plate and a fourth connecting plate fixed on the third connecting plate, the third connecting plate and the fourth connecting plate are perpendicular to each other, the third connecting plate is fixed on the first lower adjusting plate, the lower surface of the fourth connecting plate is provided with a second sliding groove, the second sliding groove is opposite to the first strip-shaped through hole, the second sliding groove is provided with a second low-speed motor, the first upper mounting block is vertically provided with a second circular through hole, the output shaft of the second low-speed motor penetrates out of the second circular through hole, a bearing is arranged between the output shaft of the second low-speed motor and the inner wall of the second through hole, and the first upper ejector pin.
The first low-speed motor can correspondingly slide along the first sliding groove on the second connecting plate, and the second low-speed motor can correspondingly slide along the second sliding groove on the fourth connecting plate. And the first low-speed motor and the second low-speed motor can respectively drive the first lower thimble and the first upper thimble to rotate, so that the sample screw rotor between the first lower thimble and the first upper thimble can be driven to rotate, and the screw rotor to be detected meshed with the sample screw rotor can be driven to detect whether a blocking phenomenon exists in meshing transmission.
In the screw rotor detection table based on PLC control, a third sliding groove is formed in the upper surface of a first transverse plate, a seventh sliding block is arranged on the third sliding groove in a sliding mode, the seventh sliding block is horizontally provided with a threaded hole, a first driving motor is horizontally fixed on the first transverse plate, an output shaft of the first driving motor is connected with a first lead screw, the seventh sliding block is in threaded connection with the first lead screw, and a rotating motor is fixed on the upper surface of the seventh sliding block; the upper surface of the second transverse plate is provided with a fourth sliding groove, the fourth sliding groove is provided with an eighth sliding block in a sliding mode, the eight horizontal sliding block is provided with a threaded hole, the second transverse plate is horizontally fixed with a second driving motor, an output shaft of the second driving motor is connected with a second lead screw, the eight sliding block is in threaded connection with the second lead screw, and the second support column is rotatably arranged on the eighth sliding block through a bearing.
The first driving motor can drive the first screw rod to rotate, the seventh sliding block in threaded connection with the first screw rod can only slide along the third sliding groove, the second driving motor can drive the second screw rod to rotate, and the eighth sliding block in threaded connection with the second screw rod can only slide along the fourth sliding groove, so that the first driving motor and the second driving motor synchronously drive the first screw rod and the second screw rod to rotate respectively, the meshing clearance of the screw rod rotors and the molded lines of any end faces are convenient to detect, and the unloading screw rod rotors are convenient to move out after detection.
In the above-mentioned screw rotor detects platform based on PLC control, the regulation motor vertical fix on the workstation, the output of regulation motor vertical upwards, the output shaft end of regulation motor is vertical to be fixed with riser three, the vertical adjustment tank one of having seted up in a side of riser three, it is provided with regulating block one to slide in the adjustment tank one, a side of regulating block is improved level and is fixed with diaphragm three, adjustment tank two has been seted up to the upper surface of diaphragm three, it is provided with regulating block two to slide on the adjustment tank two, the installing frame fix on regulating block two, swing structure set up on the installing frame.
In the screw rotor detection table based on PLC control, a third driving motor is fixed on a third vertical plate, an output shaft of the third driving motor is vertically upward, the output shaft of the third driving motor is connected with a third lead screw, a first adjusting block is vertically provided with a threaded hole, and the first adjusting block is in threaded connection with the third lead screw; and a driving motor IV is horizontally fixed on the transverse plate III, an output shaft of the driving motor IV is connected with a screw rod IV, a threaded hole is horizontally formed in the adjusting block II, and the adjusting block II is in threaded connection with the screw rod IV.
Three driving motor can drive three rotations of lead screw to drive regulating block one and slide along adjustment tank one, can drive the probe up-and-down motion, thereby realize the regulation of the upper and lower interval between screw rotor and the probe, driving motor four can drive four rotations of lead screw, thereby drive two regulation blocks and slide along two regulation tanks, and combine to rotate the rotation of adjusting motor, thereby can realize the regulation of horizontal and vertical interval between screw rotor and the probe.
In the screw rotor detection table based on PLC control, the swing structure comprises a swing arm, an optical shaft, a swing motor and a shaft sleeve, the swing motor is horizontally fixed on one side face of the installation frame, one end of the swing arm is fixed on an output shaft of the swing motor, the other end of the swing arm is provided with a notch, an inner side wall of the notch is fixed with a hinged shaft, the swing arm is fixed with a push rod motor, an output shaft of the push rod motor is arranged in the notch in a penetrating way, the output shaft of the push rod motor is fixed with the hinged shaft, the output shaft of the push rod motor is in clearance fit with the swing arm, the installation frame is rotatably provided with a rotating shaft, the shaft sleeve I is fixed on the rotating shaft, the shaft sleeve is provided with a penetrating hole, the optical shaft is arranged on the penetrating hole of the shaft sleeve, one end of the optical shaft is provided with an installation hole, and an output shaft of the low-speed motor III is fixedly provided with a mounting ring, and the probes are circumferentially and equidistantly fixed on the mounting ring.
Swing arm and optical axis are articulated to be connected, and the optical axis is worn to establish on the axle sleeve, optical axis and axle sleeve clearance fit, and the axle sleeve rotates through the pivot and sets up on the installing frame to when the swing arm drives the optical axis and rotates, through the flexible regulation of optical axis on the axle sleeve, and the optical axis drives the axle sleeve and uses the pivot to rotate as the center and adjust, thereby reduces probe angle control range, in order to reach more accurate detection effect. The push rod motor can strain or push away the articulated shaft, makes the optical axis realize pressing from both sides tightly or unclamping in swing arm breach department to select the relative motion of optical axis relative swing arm. In addition, low-speed motor three can drive the collar to rotate to can select according to the actual demand probe on the collar, thereby guarantee the accuracy and the pertinence that detect.
Compared with the prior art, this screw rotor detects platform based on PLC control has following advantage:
1. the sample screw rotor is supported between the upper thimble I and the lower thimble I, and the screw rotor to be detected can be supported between the upper thimble II and the lower thimble II or between the upper thimble III and the lower thimble III, so that meshing gap detection between a single screw rotor or two screw rotors and the sample screw rotor can be realized;
2. the lower thimble I, the lower thimble II, the lower thimble III, the upper thimble I, the upper thimble II and the upper thimble III can respectively slide along the strip-shaped through hole I, the strip-shaped through hole II, the strip-shaped through hole III, the strip-shaped through hole IV, the strip-shaped through hole V and the strip-shaped through hole VI, and the distance between the sample screw rotor and the screw rotor to be detected can be adjusted according to the diameters of addendum circles of the sample screw rotor and the screw rotor to be detected, so that the screw rotor to be detected can be more widely suitable for screw rotors with addendum circles of different;
3. the extension spring is in a contraction state under the influence of no external force, so that the distance between the first support column and the second support column is minimum, and on the premise that the length of the screw rotor is greater than the minimum distance between the ejector pins, when the ejector pins support the screw rotor, axial tension can be generated on the extension spring, so that the extension spring can push the second support column upwards through the connecting column, the second transverse plate can be vertically adjusted along the seventh strip-shaped through hole and the eighth strip-shaped through hole, the vertical movement stability of the second support column can be ensured, and the extension spring is suitable for screw rotors with different lengths in a larger range;
4. the lower adjusting plate I and the lower adjusting plate II can slide along the annular groove I through the first sliding block I and the second sliding block II respectively, the upper adjusting plate I and the upper adjusting plate II can slide along the annular groove I through the third sliding block and the fourth sliding block respectively, so that a sample screw rotor and a screw rotor to be detected are meshed, the lower thimble I and the upper thimble I can be driven to rotate by the low-speed motor I and the low-speed motor II respectively, the sample screw rotor between the lower thimble I and the upper thimble I can be driven to rotate, and the screw rotor to be detected, which is meshed with the sample screw rotor, can be driven to detect whether a blocking phenomenon exists in meshing transmission;
5. according to the invention, the driving motor III can drive the screw rod III to rotate, so that the adjusting block I is driven to slide along the adjusting groove I, and the probe can be driven to move up and down, so that the adjustment of the up-down distance between the screw rod rotor and the probe is realized;
6. the probe angle adjusting device is hinged with the optical shaft through the swing arm, the optical shaft penetrates through the shaft sleeve, the optical shaft is in clearance fit with the shaft sleeve, and the shaft sleeve is rotatably arranged on the mounting frame through the rotating shaft, so that when the swing arm drives the optical shaft to rotate, the optical shaft is telescopically adjusted on the shaft sleeve, and the optical shaft drives the shaft sleeve to rotate and adjust by taking the rotating shaft as a center, so that the probe angle adjusting range is reduced, and a more accurate detection effect is achieved;
7. according to the invention, the first screw rod can be driven to rotate by the first driving motor, the seventh sliding block which is in threaded connection with the first screw rod can only slide along the third sliding groove, the second driving motor can drive the second screw rod to rotate, and the eighth sliding block which is in threaded connection with the second screw rod can only slide along the fourth sliding groove, so that the first driving motor and the second driving motor can synchronously drive the first screw rod and the second screw rod to rotate respectively, the meshing gap of the screw rod rotors and the molded lines of any end surfaces can be conveniently detected, the screw rod rotors can be conveniently moved out and unloaded after detection, the third low-speed motor can drive the mounting ring to rotate, and probes on the mounting ring can be selected according to actual requirements, thereby ensuring the accuracy and pertinence.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic elevation view of the present invention;
FIG. 3 is a schematic perspective view of a first pillar of the present invention;
FIG. 4 is a schematic perspective view of a second pillar of the present invention;
FIG. 5 is a cross-sectional view of the first support post and the connecting post of the present invention;
FIG. 6 is a schematic perspective view of a probe holder according to the present invention;
fig. 7 is a left side view of the swing structure in the present invention.
In the figure, 1, a workbench; 2. a first transverse plate; 3. a first vertical plate; 4. a second vertical plate; 5. a transverse plate II; 6. rotating the motor; 7. a first support column; 8. a second support column; 9. connecting columns; 10. an extension spring; 11. a first annular groove; 12. a first lower adjusting plate; 13. a first strip-shaped through hole; 14. a first lower mounting block; 15. a first lower thimble; 16. a first lower fastening bolt; 17. a second lower adjusting plate; 18. a second lower mounting block; 19. a second lower thimble; 20. a third lower adjusting plate; 21. a third lower mounting block; 22. a third lower thimble; 23. a second annular groove; 24. an upper adjusting plate I; 25. a strip-shaped through hole IV; 26. an upper mounting block I; 27. an upper thimble I; 28. fastening a first bolt; 29. an upper adjusting plate II; 30. an upper mounting block II; 31. an upper thimble II; 32. an upper adjusting plate III; 33. an upper mounting block III; 34. a third thimble is arranged; 35. a groove; 36. a first connecting plate; 37. a second connecting plate; 38. a first low-speed motor; 39. a third connecting plate; 40. a fourth connecting plate; 41. a second low-speed motor; 42. a limiting groove; 43. a limiting block; 44. a first sliding block; 45. a third sliding block; 46. driving a motor I; 47. a first lead screw; 48. a seventh sliding block; 49. a second driving motor; 50. a second screw rod; 51. a eighth sliding block; 52. adjusting the motor; 53. a third vertical plate; 54. driving a motor III; 55. a third screw rod; 56. a first adjusting block; 57. a transverse plate III; 58. driving a motor IV; 59. a fourth screw rod; 60. a second adjusting block; 61. installing a frame; 62. swinging arms; 63. an optical axis; 64. a swing motor; 65. a shaft sleeve; 66. a rotating shaft; 67. hinging a shaft; 68. a push rod motor; 69. a low-speed motor III; 70. and (3) a probe.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the screw rotor detection table based on PLC control includes a working table 1 and a probe 70, and the working table 1 is provided with a control device, a screw rotor placing frame and a probe detection frame. The control device comprises a PLC programmable controller, a display and an input device. The screw rotor placing frame comprises a first support column 7, a second support column 8, a connecting column 9, a first upper thimble 27, a second upper thimble 31, a third upper thimble 34, a first lower thimble 15, a second lower thimble 19 and a third lower thimble 22, wherein the first support column 7 and the second support column 8 are connected through the connecting column 9. The probe detection frame comprises a regulating motor 52, a mounting frame 61 and a swinging structure.
As shown in fig. 5, a groove 35 is vertically formed in the first support pillar 7 along the length direction, one end of the connecting column 9 is slidably disposed in the groove 35, an extension spring 10 is fixed on the inner bottom wall of the groove 35, the other end of the extension spring 10 is fixed on the lower surface of the connecting column 9, and the lower surface of the second support pillar 8 is fixed on the upper surface of the connecting column 9. Extension spring 10 is in the shrink state under the influence that does not have external force, makes the interval between pillar one 7 and the pillar two 8 minimum, and under the length of screw rotor is greater than the minimum interval between the thimble prerequisite, when the thimble supported screw rotor, can produce and can produce the axial tension to extension spring 10, through extension spring 10's regulation to wider screw rotor that is applicable to different length. The aperture of recess 35 equals with spliced pole 9's external diameter, and four spacing grooves 42 have been seted up to the inner wall circumference equidistant of recess 35, and the equal slip of spacing inslot 42 is equipped with stopper 43, and stopper 43 all fixes on spliced pole 9 is located the one end outer wall of recess 35. Thereby can avoid appearing the initiative rotation in the lower extreme of spliced pole 9 respectively in recess 35 internal telescopic adjustment to guarantee stability.
As shown in fig. 3 and 4, the outer wall of the first prop 7 is provided with a first annular groove 11, a first lower adjusting plate 12 is horizontally fixed on each annular groove 11, a first sliding block 44 and a second sliding block are arranged in the annular groove 11 in a sliding manner, a second lower adjusting plate 17 and a third lower adjusting plate 20 are horizontally fixed on the first sliding block 44 and the second sliding block 44, a first strip-shaped through hole 13 is formed in the first lower adjusting plate 12, a first lower mounting block 14 is arranged on the first strip-shaped through hole 13 in a sliding manner, a first lower ejector pin 15 is rotatably arranged on the upper surface of the first lower mounting block 14, a second strip-shaped through hole is formed in the second lower adjusting plate 17, a second lower mounting block 18 is arranged on the second strip-shaped through hole in a sliding manner, a second lower ejector pin 19 is rotatably arranged on the upper surface of the second lower mounting block 18 through a bearing, a third strip-shaped through hole is formed in the third lower adjusting plate 20, a third lower mounting block 21 is slidably arranged on the third strip-shaped through hole; an annular groove II 23 is arranged on the outer wall of the strut II 8, an upper adjusting plate I24 is horizontally fixed on the annular groove II 23, and a third sliding block 45 and a fourth sliding block are arranged in the second annular groove 23 in a sliding manner, a second upper adjusting plate 29 and a third upper adjusting plate 32 are horizontally fixed on the third sliding block 45 and the fourth sliding block respectively, a fourth strip-shaped through hole 25 is formed in the first upper adjusting plate 24, a first upper mounting block 26 is arranged on the fourth strip-shaped through hole 25 in a sliding manner, a first upper thimble 27 is arranged on the lower surface of the first upper mounting block 26 in a rotating manner, a fifth strip-shaped through hole is formed in the second upper adjusting plate 29, a second upper mounting block 30 is arranged on the fifth strip-shaped through hole in a sliding manner, a second upper thimble 31 is arranged on the lower surface of the second upper mounting block 30 in a rotating manner through a bearing, a sixth strip-shaped through hole is formed in the third upper adjusting plate 32, a third upper mounting.
The sample screw rotor and the two end faces of the journal of the screw rotor to be detected are provided with taper holes for the thimble to sink into, the sample screw rotor is supported between the upper thimble I27 and the lower thimble I15, the screw rotor to be detected can be supported between the upper thimble II 31 and the lower thimble II 19 or between the upper thimble III 34 and the lower thimble III 22, and meshing gap detection of a single screw rotor or two screw rotors and the sample screw rotor can be realized.
The lower ejector pin 15, the lower ejector pin 19, the lower ejector pin 22, the upper ejector pin 27, the upper ejector pin 31 and the upper ejector pin 34 can slide along the strip-shaped through hole 13 on the lower adjusting plate 12, the strip-shaped through hole II on the lower adjusting plate 17, the strip-shaped through hole III on the lower adjusting plate 20, the strip-shaped through hole IV 25 on the upper adjusting plate 24, the strip-shaped through hole V on the upper adjusting plate 29 and the strip-shaped through hole VI on the upper adjusting plate 32 respectively, the distance between the sample screw rotor and the screw rotor to be detected can be adjusted according to the addendum circle diameter of the sample screw rotor and the screw rotor to be detected, and therefore the screw rotor applicable to addendum circle diameters of different lengths can be larger in range. In addition, the lower adjusting plate I12 and the lower adjusting plate II 17 can slide along the annular groove I11 through the slide block I44 and the slide block II respectively, the upper adjusting plate I24 and the upper adjusting plate II 29 can slide along the annular groove I11 through the slide block III 45 and the slide block IV respectively, and therefore meshing between the sample screw rotor and the screw rotor to be detected is achieved, and gap detection after meshing of the screw rotors is facilitated.
Be fixed with diaphragm one 2 on the workstation 1, the vertical rotation motor 6 that is provided with on diaphragm one 2, the output shaft of rotating motor 6 is vertical upwards, the output shaft end fixing of rotating motor 6 is at the lower surface of pillar one 7, the vertical riser one 3 and the riser two 4 of being fixed with on diaphragm one 2, riser one 3, strip through-hole seven has been seted up on the riser two 4 respectively, strip through-hole eight, strip through-hole seven, it is equipped with slider five to slide respectively on the strip through-hole eight, slider six, be fixed with diaphragm two 5 between five and the slider six, pillar two 8 rotate the setting on diaphragm two 5 through the bearing. The rotating motor 6 can drive the first supporting column 7 to rotate, and the upper surface of the second supporting column 8 is rotatably arranged on the second transverse plate 5 through the bearing, so that the meshing gap between the sample screw rotor and the screw rotor to be detected after meshing is more convenient to detect. The second transverse plate 5 can be adjusted up and down along the seventh strip-shaped through hole and the eighth strip-shaped through hole, so that the extension spring 10 pushes the second support column 8 upwards through the connecting column 9 in the supporting process of the thimble screw rotor, and the stability of the vertical movement of the second support column 8 can be ensured through the second transverse plate 5.
A first support is arranged on the lower adjusting plate 12, the first support comprises a first connecting plate 36 and a second connecting plate 37 fixed on the first connecting plate 36, the first connecting plate 36 and the second connecting plate 37 are perpendicular to each other, the first connecting plate 36 is fixed on the first lower adjusting plate 12, a first sliding groove is formed in the upper surface of the second connecting plate 37 and is opposite to the first strip-shaped through hole 13, a first low-speed motor 38 is arranged on the first sliding groove in a sliding mode, a first circular through hole is vertically formed in the first lower mounting block 14, an output shaft of the first low-speed motor 38 penetrates out of the first circular through hole, a bearing is arranged between the output shaft of the first low-speed motor 38 and the inner wall of the first through hole, and a first lower ejector; the upper adjusting plate I24 is provided with a support II, the support II comprises a connecting plate III 39 and a connecting plate IV 40 fixed on the connecting plate III 39, the connecting plate III 39 and the connecting plate IV 40 are perpendicular to each other, the connecting plate III 39 is fixed on the lower adjusting plate I12, the lower surface of the connecting plate IV 40 is provided with a sliding groove II, the sliding groove II is opposite to the strip-shaped through hole I13, a low-speed motor II 41 is arranged on the sliding groove II in a sliding mode, a circular through hole II is vertically formed in the upper mounting block I26, an output shaft of the low-speed motor II 41 penetrates through the circular through hole II, a bearing is arranged between the output shaft of the low-speed motor II 41 and the inner wall of the through hole II. While the positions of the lower thimble 15 and the upper thimble 27 are adjusted along the first strip-shaped through hole 13 on the lower adjusting plate 12 and the fourth strip-shaped through hole 25 on the upper adjusting plate 24, the first low-speed motor 38 can correspondingly slide along the first sliding slot on the second connecting plate 37, and the second low-speed motor 41 can correspondingly slide along the second sliding slot on the fourth connecting plate 40. And the first low-speed motor 38 and the second low-speed motor 41 can respectively drive the first lower thimble 15 and the first upper thimble 27 to rotate, so that the sample screw rotor between the first lower thimble 15 and the first upper thimble 27 can be driven to rotate, and the screw rotor to be detected meshed with the sample screw rotor can be driven to detect whether a blocking phenomenon exists in meshing transmission.
Two side surfaces of the lower mounting block I14 are respectively in threaded connection with a lower fastening bolt I16 and a lower fastening bolt II, two side surfaces of the lower mounting block II 18 are respectively in threaded connection with a lower fastening bolt III and a lower fastening bolt IV, and two side surfaces of the lower mounting block III 21 are respectively in threaded connection with a lower fastening bolt V and a lower fastening bolt VI; two side surfaces of the lower mounting block I14 are respectively in threaded connection with an upper fastening bolt I28 and an upper fastening bolt II, two side surfaces of the upper mounting block II 30 are respectively in threaded connection with an upper fastening bolt III and an upper fastening bolt IV, and two side surfaces of the upper mounting block III 33 are respectively in threaded connection with an upper fastening bolt V and an upper fastening bolt VI. The lower fastening bolt I16 and the lower fastening bolt II are used for clamping and positioning the lower mounting block I14 after the position is adjusted, the lower fastening bolt III and the lower fastening bolt IV are used for clamping and positioning the lower mounting block II 18 after the position is adjusted, the lower fastening bolt V and the lower fastening bolt VI are used for clamping and positioning the lower mounting block III 21 after the position is adjusted, similarly, the upper fastening bolt I28 and the upper fastening bolt II are used for clamping and positioning the upper mounting block I26 after the position is adjusted, the upper fastening bolt III and the upper fastening bolt IV are used for clamping and positioning the upper mounting block II 30 after the position is adjusted, and the upper fastening bolt V and the upper fastening bolt VI are used for clamping and positioning the upper mounting block III 33 after the position is adjusted, so that the stability of the top for supporting the screw rotors and the stability of meshing between the screw rotors are guaranteed.
As shown in fig. 6, a third sliding groove is formed in the upper surface of the first transverse plate, a seventh sliding block 48 is slidably arranged on the third sliding groove, a threaded hole is horizontally formed in the seventh sliding block 48, a first driving motor 46 is horizontally fixed on the first transverse plate, a first lead screw 47 is connected to an output shaft of the first driving motor 46, the seventh sliding block 48 is in threaded connection with the first lead screw 47, and a rotating motor is fixed on the upper surface of the seventh sliding block 48; the upper surface of the transverse plate II is provided with a sliding groove IV, a sliding block eighth 51 is arranged on the sliding groove IV in a sliding mode, the sliding block eighth 51 is horizontally provided with a threaded hole, the transverse plate II is horizontally fixed with a driving motor II 49, an output shaft of the driving motor II 49 is connected with a lead screw II 50, the sliding block eighth 51 is in threaded connection with the lead screw II 50, and the support column II is rotatably arranged on the sliding block eighth 51 through a bearing.
The first driving motor 46 can drive the first screw rod 47 to rotate, the seventh sliding block 48 in threaded connection with the first screw rod 47 can only slide along the third sliding groove, the second driving motor 49 can drive the second screw rod 50 to rotate, and the eighth sliding block 51 in threaded connection with the second screw rod 50 can only slide along the fourth sliding groove, so that the first driving motor 46 and the second driving motor 49 synchronously drive the first screw rod 47 and the second screw rod 50 to rotate respectively, the meshing clearance of the screw rotors and the detection of any end face molded lines are facilitated, and the unloading screw rotors are convenient to move out after detection.
The adjusting motor 52 is vertically fixed on the workbench, the output of the adjusting motor 52 is vertically upward, the output shaft end of the adjusting motor 52 is vertically fixed with a third vertical plate 53, a first adjusting groove is vertically formed in one side surface of the third vertical plate 53, a first adjusting block 56 is slidably arranged in the first adjusting groove, a third transverse plate 57 is horizontally fixed on one side surface of the adjusting block, a second adjusting groove is formed in the upper surface of the third transverse plate 57, a second adjusting block 60 is slidably arranged on the second adjusting groove, the mounting frame 61 is fixed on the second adjusting block 60, and the swing structure is arranged on the mounting frame 61. A third driving motor 54 is fixed on the third vertical plate 53, an output shaft of the third driving motor 54 is vertically upward, the output shaft of the third driving motor 54 is connected with a third screw rod 55, a first adjusting block 56 is vertically provided with a threaded hole, and the first adjusting block 56 is in threaded connection with the third screw rod 55; a fourth driving motor 58 is horizontally fixed on the transverse plate three 57, an output shaft of the fourth driving motor 58 is connected with a fourth screw rod 59, a second adjusting block 60 is horizontally provided with a threaded hole, and the second adjusting block 60 is in threaded connection with the fourth screw rod 59.
Three 54 driving motor can drive three 55 rotations of lead screw to drive regulating block 56 and slide along adjustment tank one, can drive probe 70 up-and-down motion, thereby realize the regulation of the upper and lower interval between screw rotor and the probe 70, four 58 driving motor can drive four 59 rotations of lead screw, thereby drive two 60 regulating block and slide along two regulation tanks, and combine the rotation that rotates regulating motor 52, thereby can realize the regulation of horizontal and vertical interval between screw rotor and the probe 70.
As shown in fig. 7, the swing structure includes a swing arm 62, an optical axis 63, a swing motor 64 and a shaft sleeve 65, the swing motor 64 is horizontally fixed on one side of the mounting frame 61, one end of the swing arm 62 is fixed on an output shaft of the swing motor 64, the other end of the swing arm 62 is provided with a notch, an inner side wall of the notch is fixed with a hinge shaft 67, the swing arm 62 is fixed with a push rod motor 68, the output shaft of the push rod motor 68 is arranged in the notch in a penetrating way, the output shaft of the push rod motor 68 is fixed with the hinge shaft 67, the output shaft of the push rod motor 68 is in clearance fit with the swing arm 62, the mounting frame 61 is provided with a rotating shaft 66 in a rotating way, the shaft sleeve 65 is fixed on the rotating shaft 66, the shaft sleeve 65 is provided with a penetrating hole, the optical axis 63 is arranged on the penetrating hole of the shaft sleeve 65, one end of the optical axis 63, and a mounting ring is fixed on an output shaft of the low-speed motor III 69, and the probes 70 are circumferentially fixed on the mounting ring at equal intervals.
Swing arm 62 is connected with optical axis 63 is articulated, optical axis 63 wears to establish on axle sleeve 65, optical axis 63 and axle sleeve 65 clearance fit, axle sleeve 65 rotates through pivot 66 and sets up on installing frame 61, thereby when swing arm 62 drives optical axis 63 and rotates, through the flexible regulation of optical axis 63 on axle sleeve 65, and optical axis 63 drives axle sleeve 65 and uses pivot 66 to rotate as the center and adjust, thereby reduce probe 70 angle control range, in order to reach more accurate detection effect. Wherein the push rod motor 68 can pull or push away the hinge shaft 67 to clamp or unclamp the optical axis 63 at the notch of the swing arm 62, thereby selecting the relative movement of the optical axis 63 with respect to the swing arm 62. In addition, the third low-speed motor 69 can drive the mounting ring to rotate, so that the probes 70 on the mounting ring can be selected according to actual requirements, and the accuracy and pertinence of detection are guaranteed.
In conclusion, the concrete operation principle and advantages of the screw rotor detection table based on PLC control are as follows:
1. the lower thimble 15, the lower thimble 19, the lower thimble 22, the upper thimble 27, the upper thimble 31 and the upper thimble 34 can respectively slide along the strip-shaped through hole 13, the strip-shaped through hole II, the strip-shaped through hole III, the strip-shaped through hole IV 25, the strip-shaped through hole V and the strip-shaped through hole VI, and the distance between the sample screw rotor and the screw rotor to be detected can be adjusted according to the diameters of addendum circles of the sample screw rotor and the screw rotor to be detected, so that the screw rotor with different addendum circle diameters can be applied to a larger range;
2. the extension spring 10 is in a contraction state under the influence of no external force, so that the distance between the first support column 7 and the second support column 8 is the minimum, and on the premise that the length of the screw rotor is greater than the minimum distance between the ejector pins, when the ejector pins support the screw rotor, axial tension can be generated on the extension spring 10, so that the extension spring 10 can push the second support column 8 upwards through the connecting column 9, the transverse plate two 5 can be vertically adjusted along the strip-shaped through hole seven and the strip-shaped through hole eight, the stability of vertical movement of the second support column 8 can be ensured, and the extension spring is suitable for screw rotors with different lengths in a larger range;
3. the lower adjusting plate I12 and the lower adjusting plate II 17 can slide along the annular groove I11 through the slide block I44 and the slide block II respectively, the upper adjusting plate I24 and the upper adjusting plate II 29 can slide along the annular groove I11 through the slide block III 45 and the slide block IV respectively, so that the sample screw rotor and the screw rotor to be detected are meshed, the lower thimble I15 and the upper thimble I27 can be driven to rotate by the low-speed motor I38 and the low-speed motor II 41 respectively, the sample screw rotor between the lower thimble I15 and the upper thimble I27 can be driven to rotate, and the screw rotor to be detected meshed with the sample screw rotor can be driven to detect whether a blocking phenomenon exists in meshing transmission;
4. the sample screw rotor is supported between the upper thimble I27 and the lower thimble I15, the screw rotor to be detected can be supported between the upper thimble II 31 and the lower thimble II 19 or between the upper thimble III 34 and the lower thimble III 22, and meshing gap detection of a single screw rotor or two screw rotors and the sample screw rotor can be realized;
5. the third driving motor 54 can drive the third screw rod 55 to rotate, so that the first adjusting block 56 is driven to slide along the first adjusting groove, the probe 70 can be driven to move up and down, the vertical distance between the screw rotor and the probe 70 can be adjusted, the fourth driving motor 58 can drive the fourth screw rod 59 to rotate, the second adjusting block 60 is driven to slide along the second adjusting groove, and the rotation of the rotating adjusting motor 52 is combined, so that the adjustment of the horizontal and vertical distances between the screw rotor and the probe 70 can be achieved;
6. the swing arm 62 is hinged to the optical axis 63, the optical axis 63 penetrates through the shaft sleeve 65, the optical axis 63 is in clearance fit with the shaft sleeve 65, and the shaft sleeve 65 is rotatably arranged on the mounting frame 61 through the rotating shaft 66, so that when the swing arm 62 drives the optical axis 63 to rotate, the optical axis 63 is telescopically adjusted on the shaft sleeve 65, and the optical axis 63 drives the shaft sleeve 65 to rotate and adjust by taking the rotating shaft 66 as a center, so that the angle adjusting range of the probe 70 is reduced, and a more accurate detection effect is achieved;
7. the first driving motor 46 can drive the first lead screw 47 to rotate, the seventh sliding block 48 in threaded connection on the first lead screw 47 can only slide along the third sliding groove, the second driving motor 49 can drive the second lead screw 50 to rotate, the eighth sliding block 51 in threaded connection on the second lead screw 50 can only slide along the fourth sliding groove, the first driving motor 46 and the second driving motor 49 synchronously drive the first lead screw 47 and the second lead screw 50 to rotate respectively, the meshing gap of the screw rotors and the detection of any end face molded lines are facilitated, the unloading screw rotors are convenient to move after detection, the third low-speed motor 69 can drive the mounting ring to rotate, the probes 70 on the mounting ring can be selected according to actual requirements, and the detection accuracy and pertinence are guaranteed.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although 1, a table is used more herein; 2. a first transverse plate; 3. a first vertical plate; 4. a second vertical plate; 5. a transverse plate II; 6. rotating the motor; 7. a first support column; 8. a second support column; 9. connecting columns; 10. an extension spring; 11. a first annular groove; 12. a first lower adjusting plate; 13. a first strip-shaped through hole; 14. a first lower mounting block; 15. a first lower thimble; 16. a first lower fastening bolt; 17. a second lower adjusting plate; 18. a second lower mounting block; 19. a second lower thimble; 20. a third lower adjusting plate; 21. a third lower mounting block; 22. a third lower thimble; 23. a second annular groove; 24. an upper adjusting plate I; 25. a strip-shaped through hole IV; 26. an upper mounting block I; 27. an upper thimble I; 28. fastening a first bolt; 29. an upper adjusting plate II; 30. an upper mounting block II; 31. an upper thimble II; 32. an upper adjusting plate III; 33. an upper mounting block III; 34. a third thimble is arranged; 35. a groove; 36. a first connecting plate; 37. a second connecting plate; 38. a first low-speed motor; 39. a third connecting plate; 40. a fourth connecting plate; 41. a second low-speed motor; 42. a limiting groove; 43. a limiting block; 44. a first sliding block; 45. a third sliding block; 46. driving a motor I; 47. a first lead screw; 48. a seventh sliding block; 49. a second driving motor; 50. a second screw rod; 51. a eighth sliding block; 52. adjusting the motor; 53. a third vertical plate; 54. driving a motor III; 55. a third screw rod; 56. a first adjusting block; 57. a transverse plate III; 58. driving a motor IV; 59. a fourth screw rod; 60. a second adjusting block; 61. installing a frame; 62. swinging arms; 63. an optical axis; 64. a swing motor; 65. a shaft sleeve; 66. a rotating shaft; 67. hinging a shaft; 68. a push rod motor; 69. a low-speed motor III; 70. probes, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (9)
1. A screw rotor meshing clearance detection table based on PLC control comprises a workbench and a plurality of probes, and is characterized in that the workbench is provided with a control device, a screw rotor placing frame and a probe detection frame; the control device comprises a PLC (programmable logic controller), a display and an input unit, the screw rotor placing frame comprises a first support column, a second support column, a connecting column, a first upper support needle, a second upper support needle, a third upper support needle, a first lower support needle, a second lower support needle and a third lower support needle, the first support column and the second support column are connected through the connecting column, a first annular groove is formed in the outer wall of the first support column, a first lower adjusting plate is horizontally fixed on the first annular groove, a first slider and a second slider are arranged in the first annular groove in a sliding mode, a second lower adjusting plate and a third lower adjusting plate are horizontally fixed on the first slider and the second slider, a first strip-shaped through hole is formed in the first lower adjusting plate, a first lower mounting block is arranged on the first strip-shaped through hole in a sliding mode, the first lower support needle is rotatably arranged on the upper surface of the first lower mounting block, a second strip-shaped through hole is formed in, the lower ejector pin II is rotatably arranged on the upper surface of the lower mounting block II, a strip-shaped through hole III is formed in the lower adjusting plate III, the strip-shaped through hole III is slidably provided with a lower mounting block III, and the lower ejector pin III is rotatably arranged on the upper surface of the lower mounting block III; the outer wall of the second support column is provided with a second annular groove, a first upper adjusting plate is horizontally fixed on the second annular groove, a third sliding block and a fourth sliding block are arranged in the second annular groove in a sliding mode, a third upper adjusting plate and a third upper adjusting plate are respectively horizontally fixed on the third sliding block and the fourth sliding block, a fourth strip-shaped through hole is formed in the first upper adjusting plate, a first upper mounting block is arranged on the fourth strip-shaped through hole in a sliding mode, a first upper thimble is arranged on the lower surface of the first upper mounting block in a rotating mode, a fifth strip-shaped through hole is formed in the second upper adjusting plate, a second upper mounting block is arranged on the fifth strip-shaped through hole in a sliding mode, the second upper thimble is arranged on the lower surface of the second upper mounting block in a rotating mode, a sixth strip-shaped through hole is formed; the probe detection frame comprises a regulating motor, a mounting frame and a swinging structure.
2. The PLC-control-based screw rotor meshing clearance detection table as claimed in claim 1, wherein two side faces of the first lower mounting block are respectively in threaded connection with a first lower fastening bolt and a second lower fastening bolt, two side faces of the second lower mounting block are respectively in threaded connection with a third lower fastening bolt and a fourth lower fastening bolt, and two side faces of the third lower mounting block are respectively in threaded connection with a fifth lower fastening bolt and a sixth lower fastening bolt; two side surfaces of the upper mounting block I are respectively in threaded connection with an upper fastening bolt I and an upper fastening bolt II, two side surfaces of the upper mounting block II are respectively in threaded connection with an upper fastening bolt III and an upper fastening bolt IV, and two side surfaces of the upper mounting block III are respectively in threaded connection with an upper fastening bolt V and an upper fastening bolt VI.
3. The PLC-control-based screw rotor meshing clearance detection table as claimed in claim 1, wherein a groove is vertically formed in the first support pillar along the length direction, one end of the connecting pillar is slidably arranged in the groove, an extension spring is fixed on the inner bottom wall of the groove, the other end of the extension spring is fixed on the lower surface of the connecting pillar, and the lower surface of the second support pillar is fixed on the upper surface of the connecting pillar; the aperture of recess equal with the external diameter of spliced pole, a plurality of spacing grooves have been seted up to the inner wall circumference equidistant of recess, the spacing inslot all slides and is equipped with the stopper, and the stopper is all fixed on the one end outer wall that the spliced pole is located the recess.
4. The PLC-control-based screw rotor meshing clearance detection platform of claim 3, characterized in that, the workstation on be fixed with diaphragm one, diaphragm one on vertically be provided with the rotation motor, the output shaft of rotation motor is vertical upwards, the output shaft end fixing of rotation motor is at the lower surface of pillar one, diaphragm one on vertically be fixed with riser one and riser two, strip through-hole seven, strip through-hole eight have been seted up respectively on riser one, the riser two, slide respectively on strip through-hole seven, the strip through-hole eight and be equipped with slider five, slider six, be fixed with diaphragm two between slider five and the slider six, pillar two rotate and set up on diaphragm two.
5. The PLC-control-based screw rotor meshing clearance detection table as claimed in claim 1, wherein a first support is arranged on the first lower adjusting plate, the first support comprises a first connecting plate and a second connecting plate fixed on the first connecting plate, the first connecting plate and the second connecting plate are perpendicular to each other, the first connecting plate is fixed on the first lower adjusting plate, a first sliding groove is formed in the upper surface of the second connecting plate, the first sliding groove is opposite to the first strip-shaped through hole, a first low-speed motor is slidably arranged on the first sliding groove, a first circular through hole is vertically formed in the first lower mounting block, an output shaft of the first low-speed motor penetrates through the first circular through hole, a bearing is arranged between the output shaft of the first low-speed motor and the inner wall of the first through hole, and a first lower ejector pin is fixed; the upper adjusting plate I is provided with a second support, the second support comprises a third connecting plate and a fourth connecting plate fixed on the third connecting plate, the third connecting plate and the fourth connecting plate are perpendicular to each other, the third connecting plate is fixed on the first lower adjusting plate, the lower surface of the fourth connecting plate is provided with a second sliding groove, the second sliding groove is opposite to the first strip-shaped through hole, the second sliding groove is provided with a second low-speed motor, the first upper mounting block is vertically provided with a second circular through hole, the output shaft of the second low-speed motor penetrates out of the second circular through hole, a bearing is arranged between the output shaft of the second low-speed motor and the inner wall of the second through hole, and the first upper ejector pin.
6. The PLC-control-based screw rotor meshing clearance detection table as claimed in claim 4, wherein a third sliding groove is formed in the upper surface of the first transverse plate, a seventh sliding block is slidably arranged on the third sliding groove, the seventh sliding block is horizontally provided with a threaded hole, a first driving motor is horizontally fixed on the first transverse plate, an output shaft of the first driving motor is connected with a first lead screw, the seventh sliding block is in threaded connection with the first lead screw, and a rotating motor is fixed on the upper surface of the seventh sliding block; the upper surface of the second transverse plate is provided with a fourth sliding groove, the fourth sliding groove is provided with an eighth sliding block in a sliding mode, the eight horizontal sliding block is provided with a threaded hole, the second transverse plate is horizontally fixed with a second driving motor, an output shaft of the second driving motor is connected with a second lead screw, the eight sliding block is in threaded connection with the second lead screw, and the second support column is rotatably arranged on the eighth sliding block through a bearing.
7. The PLC-control-based screw rotor meshing clearance detection platform of claim 1, characterized in that, the adjustment motor vertically fix on the workstation, the output of adjustment motor vertically upwards, the output shaft end of adjustment motor is vertically fixed with riser three, a vertical side of riser three has seted up adjustment tank one, it is provided with regulating block one to slide in the adjustment tank one, a side of regulating block is improved level and is fixed with diaphragm three, adjustment tank two has been seted up to diaphragm three's upper surface, it is provided with regulating block two to slide on the adjustment tank two, the installing frame fix on regulating block two, swing structure set up on the installing frame.
8. The PLC-control-based screw rotor meshing clearance detection table as claimed in claim 7, wherein a third driving motor is fixed on a third vertical plate, an output shaft of the third driving motor is vertically upward and is connected with a third lead screw, a first adjusting block is vertically provided with a threaded hole, and the first adjusting block is in threaded connection with the third lead screw; and a driving motor IV is horizontally fixed on the transverse plate III, an output shaft of the driving motor IV is connected with a screw rod IV, a threaded hole is horizontally formed in the adjusting block II, and the adjusting block II is in threaded connection with the screw rod IV.
9. The PLC-based screw rotor meshing clearance detection platform according to claim 1, wherein the swing structure comprises a swing arm, an optical shaft, a swing motor and a shaft sleeve, the swing motor is horizontally fixed on one side surface of the installation frame, one end of the swing arm is fixed on an output shaft of the swing motor, the other end of the swing arm is provided with a notch, an inner side wall of the notch is fixed with a hinge shaft, the swing arm is fixed with a push rod motor, the output shaft of the push rod motor is arranged in the notch in a penetrating way, the output shaft of the push rod motor is fixed with the hinge shaft, the output shaft of the push rod motor is in clearance fit with the swing arm, the installation frame is rotatably provided with a rotating shaft, the shaft sleeve is fixed on the rotating shaft, the shaft sleeve is provided with a penetrating hole, the optical shaft is arranged on the penetrating hole of the shaft sleeve, one end of the optical shaft is provided, and a third low-speed motor is fixed at the other end of the optical axis, a mounting ring is fixed on an output shaft of the third low-speed motor, and the probes are circumferentially fixed on the mounting ring at equal intervals.
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| CN201811451652.1A CN109654976B (en) | 2018-11-30 | 2018-11-30 | Screw rotor detection table based on PLC control |
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| CN201811451652.1A CN109654976B (en) | 2018-11-30 | 2018-11-30 | Screw rotor detection table based on PLC control |
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| CN110261111B (en) * | 2019-05-23 | 2020-12-01 | 衢州学院 | Rotary machine bearing fault detection examines test table |
| CN110542693B (en) * | 2019-08-12 | 2021-12-14 | 衢州光明电力投资集团有限公司 | Damaged point detection device for cable protection circular tube |
| CN112878390A (en) * | 2021-01-12 | 2021-06-01 | 四川济通工程试验检测有限公司 | Low positioner that meets an emergency method detection pile foundation integrality |
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| CN109654976A (en) | 2019-04-19 |
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Effective date of registration: 20211209 Address after: Room 1011, 4 / F, building 5, No. 299, Hangfu Road, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Tongxiang Beite Technology Co.,Ltd. Address before: 324000 North China Road No. 78, Quzhou, Quzhou, Zhejiang Patentee before: QUZHOU University |