CN113532897B - Dental handpiece spindle axial movement inspection device - Google Patents
Dental handpiece spindle axial movement inspection device Download PDFInfo
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- CN113532897B CN113532897B CN202110753200.4A CN202110753200A CN113532897B CN 113532897 B CN113532897 B CN 113532897B CN 202110753200 A CN202110753200 A CN 202110753200A CN 113532897 B CN113532897 B CN 113532897B
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- 230000033001 locomotion Effects 0.000 title claims abstract description 18
- 238000007689 inspection Methods 0.000 title description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 230000000670 limiting effect Effects 0.000 claims description 43
- 238000009434 installation Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000012795 verification Methods 0.000 claims 6
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 201000004328 Pulpitis Diseases 0.000 description 1
- 206010037464 Pulpitis dental Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a dental handpiece spindle axial movement checking device which comprises a bottom plate and a mounting frame fixedly connected with the upper surface of the bottom plate, wherein the top of the mounting frame is connected with a driving mechanism for intermittent feeding and rotation of a spindle body, the side wall of the mounting frame, which is close to the middle part, is fixedly connected with a transverse plate, a first detection mechanism for detecting the diameter of the spindle body is connected onto the transverse plate, a contact strip is fixed on the opposite surface of the movable plate and the fixed plate, and an amplifying mechanism for accurate measurement is arranged on the back surface of the transverse plate. The invention can realize equidistant measurement of the spindle sections through the arrangement between the structures, thereby greatly improving the detection working efficiency and quality.
Description
Technical Field
The invention relates to the technical field of dental handpieces, in particular to a dental handpiece spindle axial movement checking device.
Background
The dental handpiece is suitable for cleaning teeth with decayed teeth in oral clinic, cutting pulp and drilling teeth with pulpitis and apicitis, preparing abutments for teeth with missing inlayers and the like, and in oral treatment, the dental handpiece is the most frequent instrument, has various types and complex structures, has extremely high requirements on spindle parameters, has low detection efficiency and poor detection quality, and is suitable for the existing spindle axial movement inspection device.
Disclosure of Invention
The invention aims to provide the dental handpiece spindle axial movement checking device, and equidistant measurement can be realized on multiple sections of the spindle through arrangement among structures, so that the detection working efficiency and quality are greatly improved, and the problems in the background technology are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the dental handpiece spindle axial movement inspection device comprises a bottom plate and an installation frame fixedly connected with the upper surface of the bottom plate, wherein the top of the installation frame is connected with a driving mechanism for intermittent feeding and rotation of a spindle body, the side wall of the installation frame, which is close to the middle part, is fixedly connected with a transverse plate, and the transverse plate is connected with a first detection mechanism for detecting the diameter of the spindle body;
The first detection mechanism comprises a movable plate and a fixed plate, the fixed plate is fixedly connected to the outer wall of the transverse plate, the movable plate is slidably mounted in the through hole groove through a sliding groove sliding block mechanism, a second spring is connected between the movable plate and the through hole groove, a contact strip is fixed on the opposite surface of the movable plate and the fixed plate, an amplifying mechanism for accurate measurement is arranged on the back surface of the transverse plate, and a second detection mechanism for detecting threads at the end part of the main shaft is connected to the upper surface of the bottom plate below the first detection mechanism.
Preferably, the driving mechanism comprises a second motor, the second motor is fixedly arranged at the top of the mounting frame, an output shaft of the second motor is fixedly connected with a screw rod through a through hole formed in the mounting frame, a rod sleeve is sleeved on the screw rod, a clamping head used for clamping and fixing the main shaft is connected to the bottom end of the rod sleeve, and a locking mechanism used for realizing intermittent limiting of the rod sleeve is connected to the mounting frame.
Preferably, the locking mechanical system includes two limiting plates, two limiting plates fixed connection is at the mounting bracket top of pole cover both sides, two limiting plates bottom all is fixed with the installing frame, two the installing frame inner wall all is fixed with first magnetic path, two the inside equal slidable mounting of installing frame has the second magnetic path, be connected with the third spring between first magnetic path and the second magnetic path, the spacing groove has been seted up to the outer wall annular of pole cover, second magnetic path opposite surface is fixed with spacing gliding stopper with the spacing groove.
Preferably, the amplifying mechanism comprises an extending frame, the extending frame is fixedly connected to the back of the transverse plate, an installation strip is installed on the rear side of the extending frame through a first connecting plate in a rotating mode, a reflecting plate is fixed at one end of the installation strip, fan-shaped teeth are fixed at the other end of the installation strip, gears meshed with the fan-shaped teeth are fixed on the fan-shaped teeth through a second connecting plate, racks meshed with the gears are fixed on the back of the movable plate, an infrared emitter is fixed on one side, close to the fixed plate, of the extending frame, and a projection mechanism for displaying reflected light is connected to the inner wall of the extending frame.
Preferably, the projection mechanism comprises a first motor and two mounting shafts, wherein the two mounting shafts are rotatably mounted on the inner wall of the extension frame through mounting pieces, a conveying paper tape is connected between the two extension frames, the first motor is fixed on the inner wall of the extension frame through the mounting pieces, and an output shaft of the first motor is connected with one of the mounting shafts.
Preferably, the second detection mechanism comprises two fixing frames, two sliding mounting has two montants on the fixing frames, two be connected with the support frame between the montant, montant outer wall cover between support frame and the fixing frame is equipped with first spring, the installation cover is installed in the rotation of support frame top, two perpendicular grooves have been seted up to the installation cover outer wall, two be connected with the arc groove between the perpendicular groove, end to end between arc groove and the perpendicular groove, bottom plate upper surface fixing has two fixed strips, two the fixed strip top is connected with the lug, the lug extends to the inside of perpendicular groove, diaphragm bottom is connected with makes diaphragm pivoted drive mechanism, the upper surface of bottom plate is fixed with the screw post assorted nut groove with the main shaft tip.
Preferably, the transmission mechanism comprises a rotating sleeve, the rotating sleeve is rotatably arranged at the bottom of the transverse plate, the transverse plate is in spline connection with the inner wall of the mounting sleeve, a third motor is fixedly connected with the bottom of the transverse plate, and a belt is connected between the output end of the third motor and the rotating sleeve.
Preferably, the top of the mounting sleeve is provided with four clamping blocks in an annular array, and each clamping block is driven by an air cylinder.
Preferably, the top of the mounting sleeve is connected with a code spraying gun for spraying codes.
Preferably, the conveyor belt is provided with a scale corresponding to detection.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, through the arranged locking mechanism, the energizing time gap of the first magnetic block and the second magnetic block is controlled to adjust the time for the limiting block to be clamped into the limiting groove, so that intermittent feeding and rotation of the rod sleeve are realized, and when the energizing time of the first magnetic block and the second magnetic block is continuously carried out, equidistant measurement on multiple sections of the main shaft can be realized, so that the detection working efficiency and quality are greatly improved.
2. According to the invention, through the arranged amplifying mechanism, when the diameter of the main shaft is detected to change, the movable plate can move continuously under the action of the elasticity of the second spring, at the moment, the mounting bar can be further driven to deflect due to the meshing action of the rack, the gear and the sector teeth, so that the reflecting plate is driven to move, when the light emitted by the infrared emitter irradiates on the surface of the reflecting plate and is reflected to the surface of the conveying paper tape, the fluctuation effect of the reflecting plate can cause the position of a light spot on the conveying paper tape to change, the working time of the first motor is correspondingly regulated by controlling the electrified time gap of the first magnetic block and the second magnetic block, and when the main shaft finishes the next feeding, the first motor is driven to move, the scale on the conveying paper tape is just corresponding to the position, and the diameter of the corresponding test point can be intuitively judged by matching with the amplitude change of the position of the light spot.
3. According to the invention, through the second detection mechanism, when the shaft body is detected to be qualified, the cylinder is driven to work, so that the clamping block clamps the main shaft, meanwhile, the clamping effect of the clamping head is relieved, at the moment, the third motor is driven to work, the rotating sleeve can be driven to rotate, and as the rotating sleeve is in spline connection with the mounting sleeve, when the rotating sleeve drives the mounting sleeve to rotate, the mounting sleeve can be screwed downwards under the limiting effect of the arc-shaped groove and the convex block, so that the threaded column at the front section of the main shaft is driven to screw downwards and enter the nut groove, and whether the threads are qualified or not is detected by judging the time and the clamping condition of the threaded connection between the threaded column and the nut groove, so that the head thread detection process is realized, and the working efficiency is further improved.
Drawings
FIG. 1 is a schematic rear perspective view of the present invention;
FIG. 2 is a schematic front perspective view of the present invention;
FIG. 3 is a schematic rear view of the present invention;
FIG. 4 is a schematic elevational view of the present invention;
FIG. 5 is a schematic view of the appearance structure of the present invention;
Fig. 6 is an enlarged schematic view of the structure of fig. 2 a according to the present invention.
In the figure: 1. a mounting frame; 2. a bottom plate; 3. a first motor; 4. a mounting shaft; 5. a light reflecting plate; 6. a mounting bar; 7. a first connection plate; 8. an infrared emitter; 9. sector teeth; 10. a movable plate; 11. a rack; 12. conveying the paper tape; 13. a gear; 14. a second connecting plate; 15. a cross plate; 16. a fixing frame; 17. a fixing strip; 18. a support frame; 19. a bump; 20. a mounting sleeve; 21. a nut groove; 22. a vertical rod; 23. a first spring; 24. an arc-shaped groove; 25. a vertical groove; 26. a code spraying gun; 27. a through slot; 28. a contact strip; 29. a fixing plate; 30. a rod sleeve; 31. a clamping head; 32. a limiting plate; 33. a second motor; 34. a limit groove; 35. a second spring; 36. a mounting frame; 37. a first magnetic block; 38. a third spring; 39. a second magnetic block; 40. an extension frame; 41. a screw; 42. a rotating sleeve; 43. a belt; 44. a third motor; 45. and (5) clamping the block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the present invention provides the following technical solutions: the dental handpiece spindle axial movement inspection device comprises a bottom plate 2 and a mounting frame 1 fixedly connected with the upper surface of the bottom plate 2, wherein the top of the mounting frame 1 is connected with a driving mechanism for intermittent feeding and rotation of a spindle body, the side wall of the mounting frame 1, which is close to the middle, is fixedly connected with a transverse plate 15, and a first detection mechanism for detecting the diameter of the spindle body is connected to the transverse plate 15;
The first detection mechanism comprises a movable plate 10 and a fixed plate 29, the fixed plate 29 is fixedly connected to the outer wall of the transverse plate 15, the movable plate 10 is slidably mounted in a through hole 27 through a sliding groove slider mechanism, a second spring 35 is connected between the movable plate 10 and the through hole 27, a contact strip 28 is fixed on the opposite surface of the movable plate 10 and the fixed plate 29, an amplifying mechanism for accurate measurement is arranged on the back surface of the transverse plate 15, and a second detection mechanism for detecting threads at the end part of a main shaft is connected to the upper surface of the bottom plate 2 below the first detection mechanism.
Through the setting of actuating mechanism, alright realize carrying out equidistant measurement to the main shaft multistage to work efficiency and the quality that detects have improved greatly.
Further, the driving mechanism comprises a second motor 33, the second motor 33 is fixedly arranged at the top of the mounting frame 1, an output shaft of the second motor 33 is fixedly connected with a screw 41 through a through hole formed in the mounting frame 1, a rod sleeve 30 is sleeved on the screw 41, a clamping head 31 for clamping and fixing a main shaft is connected to the bottom end of the rod sleeve 30, and a locking mechanism for achieving intermittent limiting of the rod sleeve 30 is connected to the mounting frame 1.
When the rod sleeve 30 is in a limiting effect, when the second motor 33 drives the screw 41 to rotate, the downward movement of the rod sleeve 30 can be further realized, so that the spindle to be detected is driven to be fed for a certain distance in the earlier stage, when the limiting of the rod sleeve 30 is released, when the second motor 33 drives the screw 41 to rotate, the rod sleeve 30 can drive the spindle to integrally rotate, and the radial diameter can be detected.
Further, the locking mechanism comprises two limiting plates 32, the two limiting plates 32 are fixedly connected to the top of the mounting frame 1 on two sides of the rod sleeve 30, mounting frames 36 are fixed to the bottom ends of the two limiting plates 32, first magnetic blocks 37 are fixed to the inner walls of the two mounting frames 36, second magnetic blocks 39 are slidably mounted inside the two mounting frames 36, third springs 38 are connected between the first magnetic blocks 37 and the second magnetic blocks 39, limiting grooves 34 are formed in the outer wall of the rod sleeve 30 in an annular mode, and limiting blocks sliding in the limiting grooves 34 are fixed to the opposite faces of the second magnetic blocks 39.
The time for the limiting block to be clamped into the limiting groove 34 is adjusted by controlling the electrified time gap between the first magnetic block 37 and the second magnetic block 39, when the limiting block is clamped into the limiting groove 34, the rod sleeve 30 moves downwards at the moment, when the first magnetic block 37 and the second magnetic block 39 are powered off, the third spring 38 acts to reset the limiting block and separate from the inside of the limiting groove 34, and at the moment, the limiting of the rod sleeve 30 is released, so that the rod sleeve 30 drives the spindle to integrally rotate.
Further, the amplifying mechanism comprises an extension frame 40, the extension frame 40 is fixedly connected to the back of the transverse plate 15, a mounting bar 6 is rotatably mounted on the back side of the extension frame 40 through a first connecting plate 7, a reflecting plate 5 is fixed at one end of the mounting bar 6, fan-shaped teeth 9 are fixed at the other end of the mounting bar 6, a gear 13 meshed with the fan-shaped teeth 9 is fixed on the fan-shaped teeth 9 through a second connecting plate 14, a rack 11 meshed with the gear 13 is fixed on the back of the movable plate 10, an infrared emitter 8 is fixed on one side, close to the fixed plate 29, of the extension frame 40, and a projection mechanism for displaying reflected light is connected to the inner wall of the extension frame 40.
Through the amplification mechanism that sets up, when detecting that the main shaft diameter changes, under the elasticity effect of second spring 35, can realize the continuous motion of fly leaf 10, at this moment, owing to the meshing effect of rack 11, gear 13 and fan-shaped tooth 9, can further drive installation strip 6 and take place the deflection to drive reflector panel 5 and take place the motion.
Further, the projection mechanism comprises a first motor 3 and two mounting shafts 4, the two mounting shafts 4 are rotatably mounted on the inner wall of the extension frame 40 through mounting pieces, a conveying paper tape 12 is connected between the two extension frames 40, the first motor 3 is fixed on the inner wall of the extension frame 40 through the mounting pieces, and an output shaft of the first motor 3 is connected with one of the mounting shafts 4.
When the light emitted by the infrared emitter 8 irradiates on the surface of the reflecting plate 5 and is reflected to the surface of the paper conveying belt 12, the fluctuation effect of the reflecting plate 5 can cause the position of the light spot on the paper conveying belt 12 to change, the working time of the first motor 3 is correspondingly adjusted by controlling the electrified time gap between the first magnetic block 37 and the second magnetic block 39, when the main shaft finishes the next feeding, the first motor 3 works to drive the paper conveying belt 12 to move, and just the scale on the paper conveying belt 12 corresponds to the position, and the diameter of the corresponding test point can be intuitively judged by matching with the amplitude change of the position of the light spot.
Further, the second detection mechanism comprises two fixing frames 16, two vertical rods 22 are slidably mounted on the two fixing frames 16, a supporting frame 18 is connected between the two vertical rods 22, a first spring 23 is sleeved on the outer wall of each vertical rod 22 between the supporting frame 18 and the fixing frame 16, a mounting sleeve 20 is rotatably mounted on the top of each supporting frame 18, two vertical grooves 25 are formed in the outer wall of each mounting sleeve 20, an arc groove 24 is connected between each two vertical grooves 25, the arc grooves 24 are connected with the corresponding vertical grooves 25 in a tail-to-tail mode, two fixing strips 17 are fixed on the upper surface of the base plate 2, protruding blocks 19 are connected to the tops of the two fixing strips 17, the protruding blocks 19 extend to the inside of the corresponding vertical grooves 25, a transmission mechanism for enabling the transverse plate 15 to rotate is connected to the bottom of the transverse plate 15, and a nut groove 21 matched with a threaded column at the end of the main shaft is fixed on the upper surface of the base plate 2.
When the rotating sleeve 42 drives the mounting sleeve 20 to rotate, the mounting sleeve 20 can be screwed downwards under the limiting action of the arc-shaped groove 24 and the convex block 19, so that the threaded column at the front section of the main shaft is driven to screw downwards and enter the nut groove 21, and whether the threads are qualified or not is detected by judging the time and the clamping condition of the threaded connection between the threaded column and the nut groove 21, so that the head thread detection process is realized.
Further, the transmission mechanism comprises a rotating sleeve 42, the rotating sleeve 42 is rotatably arranged at the bottom of the transverse plate 15, the transverse plate 15 is in spline connection with the inner wall of the mounting sleeve 20, a third motor 44 is fixedly connected to the bottom of the transverse plate 15, and a belt 43 is connected between the output end of the third motor 44 and the rotating sleeve 42.
The third motor 44 is driven to work, so that the rotating sleeve 42 can be driven to rotate, and due to the spline connection between the rotating sleeve 42 and the mounting sleeve 20, when the rotating sleeve 42 drives the mounting sleeve 20 to rotate, the mounting sleeve 20 can be led to spiral downwards under the limiting effect of the arc-shaped groove 24 and the protruding block 19.
Further, the top of the mounting sleeve 20 is provided with an annular array of four gripping blocks 45, each gripping block 45 being driven by a pneumatic cylinder.
When the shaft body is detected to be qualified, the driving cylinder works, so that the clamping block 45 clamps the main shaft, and simultaneously, the clamping effect of the clamping head 31 is relieved.
Further, a code spraying gun 26 for spraying codes is connected to the top of the mounting sleeve 20.
When the spindle is not qualified, the code spraying gun 26 works to spray the code for marking the spindle, and the spindle falls from the bottom of the mounting sleeve 20.
Further, the transfer tape 12 is provided with a scale corresponding to detection.
When the transfer paper tape 12 moves, the scales on the transfer paper tape 12 are just made to correspond to the positions, and the diameter of the corresponding test point can be intuitively judged by matching the amplitude change of the positions of the light spots.
Working principle: when the dental handpiece spindle axial movement checking device is used, a spindle to be detected is mounted on the clamping head 31 to realize clamping and fixing, the time for clamping the limiting block into the limiting groove 34 is adjusted by controlling the electrified time gap between the first magnetic block 37 and the second magnetic block 39, when the limiting block is clamped into the limiting groove 34, the rod sleeve 30 is in a limiting effect, when the second motor 33 drives the screw 41 to rotate, the rod sleeve 30 can be further moved downwards, so that the spindle to be detected is driven to feed for a certain distance in the earlier stage, when the first magnetic block 37 and the second magnetic block 39 are powered off, the third spring 38 acts to reset the limiting block and separate from the inside of the limiting groove 34, at the moment, the limiting of the rod sleeve 30 is released, when the second motor 33 drives the screw 41 to rotate, the rod sleeve 30 can drive the spindle to integrally rotate, the radial diameter detection can be carried out, and the spindle can be measured at intervals by continuously electrifying the first magnetic block 37 and the second magnetic block 39;
Through the amplification mechanism, when the diameter of the main shaft is detected to change, under the action of the elasticity of the second spring 35, the movable plate 10 can continuously move, at the moment, due to the meshing action of the rack 11, the gear 13 and the sector teeth 9, the mounting bar 6 can be further driven to deflect so as to drive the reflecting plate 5 to move, when the light emitted by the infrared emitter 8 irradiates on the surface of the reflecting plate 5 and is reflected to the surface of the conveying paper tape 12, the fluctuation effect of the reflecting plate 5 can cause the position of a light spot on the conveying paper tape 12 to change, the working time of the first motor 3 is correspondingly adjusted by controlling the gap between the first magnetic block 37 and the second magnetic block 39, and when the main shaft finishes the next feeding, the first motor 3 works to drive the conveying paper tape 12 to move, and just enables the scale on the conveying paper tape 12 to correspond to the position, and the diameter of the corresponding test point can be intuitively judged by matching the amplitude change of the position of the light spot;
When the shaft body is detected to be qualified, the cylinder is driven to work, so that the clamping block 45 clamps the main shaft, meanwhile, the clamping effect of the clamping head 31 is relieved, at this time, the third motor 44 is driven to work, the rotating sleeve 42 can be driven to rotate, as the spline connection between the rotating sleeve 42 and the mounting sleeve 20 is realized, when the rotating sleeve 42 drives the mounting sleeve 20 to rotate, the mounting sleeve 20 can be screwed downwards under the limiting effect of the arc-shaped groove 24 and the convex block 19, thereby driving the threaded column at the front section of the main shaft to screw downwards and enter the nut groove 21, and the code spraying gun 26 works to spray the code mark on the main shaft and fall from the bottom of the mounting sleeve 20 by judging the time and the clamping condition of the threaded connection between the threaded column and the nut groove 21.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Dental handpiece main shaft axial displacement verifying attachment, including bottom plate (2) with fixed surface connects's mounting bracket (1) on bottom plate (2), its characterized in that: the top of the mounting frame (1) is connected with a driving mechanism for intermittently feeding and rotating the main shaft body, the side wall, close to the middle part, of the mounting frame (1) is fixedly connected with a transverse plate (15), and the transverse plate (15) is connected with a first detection mechanism for detecting the diameter of the main shaft body;
The first detection mechanism comprises a movable plate (10) and a fixed plate (29), the fixed plate (29) is fixedly connected to the outer wall of the transverse plate (15), the movable plate (10) is slidably mounted in the through hole groove (27) through a sliding groove sliding block mechanism, a second spring (35) is connected between the movable plate (10) and the through hole groove (27), a contact strip (28) is fixed on the opposite surface of the movable plate (10) and the fixed plate (29), an amplifying mechanism for accurate measurement is arranged on the back surface of the transverse plate (15), and a second detection mechanism for detecting threads at the end part of the main shaft is connected to the upper surface of the bottom plate (2) below the first detection mechanism;
The driving mechanism comprises a second motor (33), the second motor (33) is fixedly arranged at the top of the mounting frame (1), an output shaft of the second motor (33) is fixedly connected with a screw (41) through a through hole formed in the mounting frame (1), a rod sleeve (30) is sleeved on the screw (41), the bottom end of the rod sleeve (30) is connected with a clamping head (31) for clamping and fixing a main shaft, and a locking mechanism for realizing intermittent limiting of the rod sleeve (30) is connected to the mounting frame (1);
The amplifying mechanism comprises an extending frame (40), the extending frame (40) is fixedly connected to the back face of a transverse plate (15), an installation strip (6) is rotatably installed on the rear side of the extending frame (40) through a first connecting plate (7), a reflecting plate (5) is fixed at one end of the installation strip (6), a sector tooth (9) is fixed at the other end of the installation strip (6), a gear (13) meshed with the sector tooth (9) is fixed on the sector tooth (9) through a second connecting plate (14), a rack (11) meshed with the gear (13) is fixed on the back face of a movable plate (10), an infrared emitter (8) is fixed on one side, close to the fixed plate (29), of the extending frame (40), and a projection mechanism for displaying reflected light is connected to the inner wall of the extending frame (40);
The projection mechanism comprises a first motor (3) and two mounting shafts (4), wherein the two mounting shafts (4) are rotatably mounted on the inner wall of an extension frame (40) through mounting pieces, a conveying paper tape (12) is connected between the extension frames (40), the first motor (3) is fixed on the inner wall of the extension frame (40) through mounting pieces, and an output shaft of the first motor (3) is connected with one of the mounting shafts (4).
2. The dental handpiece spindle axial movement verification device of claim 1, wherein: the locking mechanism comprises two limiting plates (32), wherein the two limiting plates (32) are fixedly connected to the top of the mounting frame (1) on two sides of the rod sleeve (30), the two bottom ends of the limiting plates (32) are fixedly provided with mounting frames (36), the inner walls of the mounting frames (36) are fixedly provided with first magnetic blocks (37), the two inner walls of the mounting frames (36) are slidably provided with second magnetic blocks (39), a third spring (38) is connected between the first magnetic blocks (37) and the second magnetic blocks (39), limiting grooves (34) are annularly formed in the outer wall of the rod sleeve (30), and limiting blocks which are in limiting sliding with the limiting grooves (34) are fixedly arranged on the opposite surfaces of the second magnetic blocks (39).
3. The dental handpiece spindle axial movement verification device of claim 1, wherein: the second detection mechanism comprises two fixing frames (16), two fixing frames (16) are slidably mounted with two vertical rods (22), two supporting frames (18) are connected between the vertical rods (22), a first spring (23) is sleeved on the outer wall of each vertical rod (22) between each supporting frame (18) and each fixing frame (16), a mounting sleeve (20) is rotatably mounted on the top of each supporting frame (18), two vertical grooves (25) are formed in the outer wall of each mounting sleeve (20), arc-shaped grooves (24) are connected between the corresponding vertical grooves (25), the arc-shaped grooves (24) are connected with the corresponding vertical grooves (25) in a tail-end mode, two fixing strips (17) are fixedly arranged on the upper surface of each bottom plate (2), protruding blocks (19) are connected to the tops of the corresponding fixing strips (17), each protruding block (19) extends to the inside of the corresponding vertical groove (25), and a transmission mechanism enabling each transverse plate (15) to rotate is connected to the bottom of each transverse plate (15), and a threaded post (21) matched with the end portion of the corresponding spindle is fixedly arranged on the upper surface of each bottom plate (2).
4. A dental handpiece spindle axial movement verification apparatus as in claim 3, wherein: the transmission mechanism comprises a rotating sleeve (42), the rotating sleeve (42) is rotatably arranged at the bottom of the transverse plate (15), the transverse plate (15) is in spline connection with the inner wall of the mounting sleeve (20), a third motor (44) is fixedly connected to the bottom of the transverse plate (15), and a belt (43) is connected between the output end of the third motor (44) and the rotating sleeve (42).
5. A dental handpiece spindle axial movement verification apparatus as in claim 3, wherein: the top of the mounting sleeve (20) is provided with four clamping blocks (45) in an annular array, and each clamping block (45) is driven by an air cylinder.
6. The dental handpiece spindle axial movement verification apparatus of claim 5, wherein: the top of the mounting sleeve (20) is connected with a code spraying gun (26).
7. The dental handpiece spindle axial movement verification device of claim 1, wherein: the conveying paper tape (12) is provided with scales corresponding to detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110753200.4A CN113532897B (en) | 2021-07-02 | 2021-07-02 | Dental handpiece spindle axial movement inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110753200.4A CN113532897B (en) | 2021-07-02 | 2021-07-02 | Dental handpiece spindle axial movement inspection device |
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| Publication Number | Publication Date |
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| CN113532897A CN113532897A (en) | 2021-10-22 |
| CN113532897B true CN113532897B (en) | 2024-05-03 |
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| CN202110753200.4A Active CN113532897B (en) | 2021-07-02 | 2021-07-02 | Dental handpiece spindle axial movement inspection device |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1538540A (en) * | 1967-07-25 | 1968-09-06 | Prec Scient Et Ind | Apparatus for measuring variations in dimensions of a metal strip or other article being unwound |
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| CN113532897A (en) | 2021-10-22 |
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