CN114076583B - Device and method for detecting distance from conical surface to top plane of automobile transmission shaft - Google Patents
Device and method for detecting distance from conical surface to top plane of automobile transmission shaft Download PDFInfo
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- CN114076583B CN114076583B CN202111325547.5A CN202111325547A CN114076583B CN 114076583 B CN114076583 B CN 114076583B CN 202111325547 A CN202111325547 A CN 202111325547A CN 114076583 B CN114076583 B CN 114076583B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 137
- 238000001514 detection method Methods 0.000 claims abstract description 133
- 238000003466 welding Methods 0.000 claims abstract description 36
- 238000013459 approach Methods 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 54
- 238000006073 displacement reaction Methods 0.000 claims description 44
- 239000000872 buffer Substances 0.000 claims description 34
- 238000012546 transfer Methods 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000002950 deficient Effects 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 25
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- -1 342 Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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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
- G01M13/00—Testing of machine parts
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Abstract
The invention provides a device and a method for detecting the distance from a conical surface to a top plane of an automobile transmission shaft, wherein a welding support seat is arranged for supporting other mechanisms; the clamping mechanism is connected to the welding support seat and provided with a clamping part, and two ends of the clamping part can transversely approach or depart from each other and are used for clamping and fixing the transmission shaft; the product placing seat is positioned below the clamping mechanism and is opposite to the clamping part of the clamping mechanism and used for placing the bottom of the transmission shaft; the conical surface detection mechanism is positioned above the clamping mechanism and connected to the up-down moving mechanism and used for detecting whether the transmission shaft is qualified or not, and is provided with a conical surface attaching part which is used for being matched with the conical surface at the top of the transmission shaft; the up-and-down moving mechanism is connected to the side surface of the welding support seat and used for driving the conical surface detecting mechanism to move up and down. The invention has the advantages of convenient detection, simple operation, feeding and discharging of the robot and capability of full detection; the detection result is accurate, and the error is very low and can be ignored; high detection efficiency, etc.
Description
Technical Field
The invention relates to the technical field of part detection, in particular to a device and a method for detecting the distance from a conical surface to a top plane of an automobile transmission shaft.
Background
The steering structure of the steering wheel of the automobile is a key structure of the automobile and is used for controlling and adjusting the running direction of the automobile, the structure is provided with a transmission shaft, as shown in fig. 1, a conical surface 81 is arranged on the transmission shaft 8 near the top 20mm, the distance from one point on the conical surface 81 to the top is needed to be measured to judge whether the transmission shaft is qualified or not, but the distance is measured by a normal method, the error is large, and the obtained data cannot confirm whether the transmission shaft is qualified or not.
Since one of the endpoints of the measured distance is on the conical surface, the usual measuring calipers, tape measures and the like cannot accurately obtain the value. In the prior art of the transmission shaft, two modes are commonly used, wherein the first mode is to make a conical surface profiling part with high precision according to the shape of the top of the transmission shaft, and each detection is to plug the conical surface part of the transmission shaft into the profiling part, so as to observe whether the transmission shaft is qualified or not by naked eyes; the second is to perform spot check measurement by three-coordinate photographing detection technology.
The method has the defects that: the first detection mode has large error by naked eyes, can only be judged qualitatively, but cannot be judged quantitatively, so that an accurate numerical value cannot be obtained. In the second detection mode, although accurate numerical values can be obtained, the operation is troublesome, the time for detecting three coordinates at each time is long, the detection cannot be performed completely, and the cost for purchasing three-standard detection equipment is relatively high.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: in order to overcome the defects in the prior art, the invention provides a device and a method for detecting the distance from a conical surface to a top plane of an automobile transmission shaft.
The technical scheme adopted for solving the technical problems is as follows: the distance detecting device from the conical surface to the top plane of the automobile transmission shaft comprises a clamping mechanism, a conical surface detecting mechanism, an up-down moving mechanism, a product placing seat and a welding supporting seat, wherein,
the welding support seat is arranged on the base and used for supporting other mechanisms;
the clamping mechanism is connected to the welding support seat and is provided with a clamping part, and two ends of the clamping part can transversely approach or depart from each other and are used for clamping and fixing the transmission shaft;
the product placing seat is positioned below the clamping mechanism and is opposite to the clamping part of the clamping mechanism and used for placing the bottom of the transmission shaft;
the conical surface detection mechanism is positioned above the clamping mechanism and connected to the up-down moving mechanism and used for detecting whether the transmission shaft is qualified or not, and is provided with a conical surface attaching part which is used for being matched with the conical surface at the top of the transmission shaft;
the up-and-down moving mechanism is connected to the side surface of the welding support seat and used for driving the conical surface detecting mechanism to move up and down.
Further, in order to realize the quick detection of transmission shaft, conical surface detection mechanism includes and moves board, displacement sensor and profile modeling frock subassembly, displacement sensor moves the board relatively fixed with moving, in order to realize the fixed between displacement sensor and the profile modeling frock, reduces assembly error, and displacement sensor passes through the sensor support and installs the top at the apron, profile modeling frock subassembly sets up under the displacement sensor, and displacement sensor's measuring staff and profile modeling frock subassembly's test head contact.
Further, in order to enable the conical surface detection mechanism to meet detection of the conical surfaces of transmission shafts with different sizes, the profiling tool assembly comprises a sliding sleeve, a sliding sleeve cover plate, a guide sleeve cover plate, a test head and a spring, wherein a cavity which is communicated up and down is formed in the sliding sleeve, the sliding sleeve cover plate is covered above the sliding sleeve, the sliding sleeve cover plate and the upper end of the sliding sleeve are connected on a transverse plate of a transfer plate together through screws and hung below the transverse plate, through holes are formed in the sliding sleeve cover plate, the guide sleeve and the guide sleeve cover plate are arranged in the cavity of the sliding sleeve, the guide sleeve cover plate is covered at the upper end of the guide sleeve and fixedly connected with the guide sleeve through screws, the upper end of the guide sleeve cover plate is abutted with the guide sleeve cover plate, the lower end of the guide sleeve is abutted with the sliding sleeve, and the guide sleeve cover plate is fixed in the cavity of the sliding sleeve through the sliding sleeve and the guide sleeve cover plate, so that the position of the guide sleeve is stable during testing, and meanwhile, when different transmission shafts are required to be detected, only the guide sleeve with different conical surfaces is required to be correspondingly replaced, and the universality of the detection device is improved; the side wall of the sliding sleeve is provided with at least three threaded holes extending radially, jackscrews are arranged in the threaded holes, the guide sleeve is tightly propped by the jackscrews to ensure that the guide sleeve and the sliding sleeve are coaxial, the test head comprises an upper rod part and a lower plug part which are integrally connected, the outer diameter of the lower plug part is larger than that of the upper rod part, the upper rod part extends upwards to penetrate through a guide sleeve cover plate, and the upper end face is in contact with a measuring rod of the displacement sensor; the upper end face of the lower plug part and the lower end face of the guide sleeve cover plate are provided with springs, a convex ring on the outer wall of the lower plug part is abutted with an annular boss on the inner wall of the guide sleeve through the springs, the lower end of the lower plug part is inserted into a guide hole of the guide sleeve, the lower plug part can axially slide in the guide hole, a test hole is arranged in the guide sleeve below the guide hole, the bottom of the test hole is provided with a conical surface laminating part with the shape and the size matched with those of the transmission shaft, the conical surface laminating part is a conical hole, and during testing, the conical surface of the transmission shaft is tightly laminated with the conical surface laminating part.
The displacement sensor is frequently stressed in the detection process, so that the displacement sensor is easy to rotate along the axial direction, and the conical surface detection mechanism further comprises a stop block, the stop block is arranged on a transverse plate of the transfer plate, one side of the stop block, facing to the sensor bracket, is provided with a U-shaped limiting opening, and the sensor bracket is embedded into the U-shaped limiting opening. The U-shaped limiting opening can prevent the sensor bracket from rotating, so that the stability is improved.
The clamping mechanism comprises clamping jaw assemblies, clamping cylinders, cylinder mounting bars and dovetail groove sliding blocks which are symmetrically arranged on two sides of a transmission shaft detection position, wherein the clamping jaw assemblies comprise dovetail groove clamping jaws, connecting blocks, cylinder joints, joint cover plates and T-shaped connecting plates, the execution ends of the clamping cylinders are connected with middle vertical plates of the T-shaped connecting plates through the cylinder joints, the joint cover plates are sealed on the cylinder joints and fixedly connected to the middle vertical plates of the T-shaped connecting plates, and the dovetail groove clamping jaws are fixedly connected to the side faces of the middle vertical plates, which are opposite to the clamping cylinders, and are fixedly connected with the middle vertical plates through connecting blocks arranged at the bottoms of the dovetail groove clamping jaws; one side of the dovetail groove sliding block is connected to a side plate of the T-shaped connecting plate, the other side of the dovetail groove sliding block is connected to a transverse guide rail in a sliding mode, and the transverse guide rail is fixed to a back plate of the welding supporting seat.
In order to avoid the impact or excessive movement of the air cylinder in the movement process, the clamping mechanism further comprises buffer assemblies, each buffer assembly comprises an upper group and a lower group, each buffer assembly comprises two buffers and a limiting block, the limiting blocks are located at the middle positions of the clamping mechanism, the two buffers are symmetrically arranged on two sides of the limiting blocks, and the buffers are fixedly connected to the dovetail groove sliding blocks through buffer supports respectively. The buffer assembly can limit the action distance of the clamping jaw assemblies on two sides on one hand, and can play a role in buffering on the other hand, so that noise is reduced.
Specifically, the up-and-down moving mechanism comprises two guide rails, sliding blocks, an adapter plate and a lifting cylinder, wherein at least one sliding block is connected to each guide rail, the back of a transfer plate of the conical surface detecting mechanism is connected to the sliding blocks, one end of the adapter plate is fixedly connected to the transfer plate between the guide rails, the other end of the adapter plate is connected with the executing end of the lifting cylinder, and the transfer plate is controlled by the lifting cylinder to drive the conical surface detecting mechanism to move up and down.
Further, in order to realize the fixed of placing and position of transmission shaft, the product is placed the seat and is included seat and lower seat, the bottom of seat is equipped with the inserted bar, be equipped with the jack in the lower seat, the inserted bar inserts and establishes in the jack.
Because the transmission shaft is after last process processing, when the circulation detects the station, can remain the oil stain on its surface, consequently, in order to be convenient for discharge oil stain when detecting, avoid polluting detection mechanism, still be equipped with oil extraction structure on the product placing seat, oil extraction structure is including setting up oil drain hole, oil drain groove, buffering face, oil storage annular and the oil drain port of setting in the lower seat on the seat, the oil drain hole sets up the middle part at the seat, and the oil drain hole top forms conical buffering face, and the lower extreme downwardly extending runs through the inserted bar and communicates with the oil drain port in the lower seat, the oil storage annular is encircleed and is established on the up end at the upper seat, the oil drain groove radially sets up on the up end at the upper seat, and oil drain groove one end and oil storage annular intercommunication, and the other end extends to the buffering face, and the buffering face is the conical face, is convenient for with oil guide into the oil drain hole. Oil stains on the transmission shaft flow into the oil storage ring groove and the oil drain groove after flowing to the upper end surface of the upper seat, and oil in the oil storage ring groove and the oil drain groove reaches a certain amount and flows into the oil drain hole along the oil drain groove through the buffer surface and is discharged through the oil drain hole.
Specifically, the welding support seat comprises an upper plate, a lower plate, side plates and a back plate, wherein the upper plate and the lower plate are arranged between the two side plates in an up-down parallel manner, the back plate is fixedly connected between the two side plates above the upper plate, and a guide rail of the up-down moving mechanism is arranged on the back plate; the upper plate is equipped with the arc opening to one side of product placement seat, and the product placement seat is embedded in the arc opening, can play spacing effect to the product placement seat.
Further, in order to realize automatic continuous feeding, still include material loading detection mechanism, material loading detection mechanism includes first detection sensor, first detection sensor installs on the upper plate of welding supporting seat through first backup pad, and first detection sensor's detection is just to the transmission shaft of product placement seat top. The first detection sensor can adopt a reflective sensor or an opposite-type sensor, when the reflective sensor is adopted, the transmitting end and the receiving end of the sensor are positioned on the same side of the transmission shaft, and when the opposite-type sensor is adopted, the transmitting end and the receiving end of the sensor are positioned on two sides of the transmission shaft.
Further, in order to improve detection efficiency, avoid detection mechanism's empty, still include temporary storage mechanism, temporary storage mechanism is including temporary storage seat and second detection sensor, the seat of keeping in is fixed on the base of welding supporting seat side, just be equipped with the jack of vertical plug-in transmission shaft in the seat of keeping in along the axial, be equipped with the detection hole that transversely runs through the jack on the lateral wall of the seat of keeping in, the detection end of second detection sensor is right to the detection hole. The second detection sensor can adopt a reflective sensor or an opposite-type sensor, when the reflective sensor is adopted, the transmitting end and the receiving end of the sensor are positioned on the same side of the detection hole, when the opposite-type sensor is adopted, the transmitting end and the receiving end of the sensor are positioned on two sides of the detection hole, and the second detection sensor is fixed on the base through the second supporting plate.
Further, in order to make detection mechanism set up in suitable position and suitable height, still include the base, the welding supporting seat is fixed in the top of base, the bottom of base is equipped with support foot margin and fixed plate. The ground is supported through supporting the lower margin, if need be with equipment fixed then through screw with fixed plate and ground locking, improve the steadiness.
A distance detection method from a conical surface to a top plane of an automobile transmission shaft is characterized by comprising the following steps of: the distance detection device comprises the following steps:
s1: determining the error range from the conical surface to the top of the transmission shaft according to the processing requirement;
s2: the standard transmission shaft is arranged on a product placing seat, the clamping mechanism clamps the standard transmission shaft, the up-and-down moving mechanism is controlled to drive the conical surface detection mechanism to move downwards, the top of the standard transmission shaft is inserted into a detection hole of a test head of the conical surface detection mechanism, the conical surface of the standard transmission shaft is attached to a conical surface attaching part at the bottom of the detection hole, the top of the standard transmission shaft is propped against the bottom surface of a lower plug part of the test head, then the displacement sensor is cleared, the calibration of the displacement sensor is realized, the up-and-down moving mechanism is lifted, the clamping mechanism is loosened, and the standard transmission shaft is taken down from the product placing seat;
s3: then placing the transmission shaft to be detected on the product placing seat, enabling the clamping mechanism to clamp the transmission shaft to be detected, controlling the up-down moving mechanism to drive the conical surface detection mechanism to move downwards, enabling the top of the transmission shaft to be detected to be inserted into a test hole of a test head of the conical surface detection mechanism, enabling the conical surface of the transmission shaft to be detected to be attached to a conical surface attaching part at the bottom of the test hole, enabling the top of the transmission shaft to be detected to be attached to the bottom surface of a lower plug part of the test head, then reading a reading of displacement sensing, judging whether the reading is in an error range, if the reading is in the error range, indicating that the transmission shaft to be detected is qualified, and if the reading is not in the error range, indicating that the transmission shaft to be detected is unqualified.
Further, the method also comprises the step of screening the unqualified transmission shafts:
when the reading of the displacement sensor is larger than the maximum value of the error, the distance from the conical surface of the transmission shaft to be detected to the top is excessively long, the excessively long transmission shaft is reworked, the distance from the conical surface of the transmission shaft to the top is shortened, and the transmission shaft after reworking is detected again to judge whether the transmission shaft is qualified or not;
when the reading of the displacement sensor is smaller than the minimum value of the error, the distance from the conical surface of the transmission shaft to be detected to the top is too short, and the transmission shaft which is too short is regarded as a defective product to be scrapped or processed for other purposes.
And (2) for the calibration and calibration process of the displacement sensor in the step (S2), the calibration and calibration can be repeated for one time at intervals according to actual conditions, the detection precision can be ensured, and the condition of repeated calibration and calibration can be based on the condition of detecting the same number of transmission shafts or the same time.
The beneficial effects of the invention are as follows: the device and the method for detecting the distance from the conical surface to the top plane of the automobile transmission shaft have the advantages of convenience in detection, simplicity in operation, feeding and discharging of the robot, and capability of performing full detection; the detection result is accurate, and the error is very low and can be ignored; high detection efficiency, etc.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a schematic structural view of a propeller shaft of the present invention.
Fig. 2 is a schematic structural view of the distance detecting device of the present invention.
Fig. 3 is a schematic structural view of the distance detecting device of the present invention (without the base).
FIG. 4 is a schematic perspective view of the cone detection mechanism.
FIG. 5 is a schematic top view of the cone detection mechanism.
FIG. 6 is a schematic cross-sectional view of A-A in FIG. 5.
Fig. 7 is a schematic cross-sectional structure of B-B in fig. 5.
Fig. 8 is a schematic cross-sectional structure of the guide sleeve.
Fig. 9 is a schematic structural view of the test head.
Fig. 10 is a schematic structural view of the clamping mechanism.
Fig. 11 is a schematic view of the construction of the jaw assembly.
Fig. 12 is a schematic view of the construction of the jaw assembly.
Fig. 13 is a schematic structural view of the welding support base, the feeding detection mechanism, the up-down movement mechanism, and the product placement base.
Fig. 14 is a schematic cross-sectional structure of the product placement base.
Fig. 15 is a schematic perspective view of the upper seat of fig. 14.
Fig. 16 is a schematic structural view of the temporary storage mechanism.
Fig. 17 is a schematic structural view of a temporary storage seat in the temporary storage mechanism.
In the figure: 1. base, 11, supporting foot, 12, fixing plate, 2, feeding detection mechanism, 21, first detection sensor, 22, first supporting plate, 3, clamping mechanism, 31, clamping jaw assembly, 311, dovetail clamping jaw, 312, connecting block, 313, cylinder joint, 314, joint cover plate, 315, T-shaped connecting plate, 32, clamping cylinder, 33, cylinder mounting bar, 34, buffer assembly, 341, buffer, 342, buffer bracket, 343, stopper, 35, cylinder mounting plate, 36, dovetail sliding block, 4, conical surface detection mechanism, 41, transfer plate, 42, displacement sensor, 43, sensor bracket, 44, stopper, 45, profiling tool assembly, 451, sliding sleeve, 452, sliding sleeve cover plate, 453, guide sleeve, 4531, annular boss, 4532, guide hole, 4533, test hole, 4534, conical surface attaching part, 454, a guide sleeve cover plate, 455, a test head, 4551, an upper rod part, 4552, a lower plug part, 4553, a spring mounting hole, 4554, a convex ring, 4555, a vent, 456, a spring, 457, a jackscrew, 46, a correlation mounting plate, 5, a vertical moving mechanism, 51, a guide rail, 52, a sliding block, 53, an adapter plate, 6, a product placement seat, 61, an upper seat, 611, an insert rod, 612, a mounting hole, 613, an oil drain hole, 614, an oil drain groove, 615, a buffer surface, 616, an oil storage ring groove, 62, a lower seat, 621, an insertion hole, 7, a welding support seat, 71, a lower plate, 72, an upper plate, 73, a side plate, 74, a back plate, 8, a transmission shaft, 81, a conical surface, 9, a temporary storage mechanism, 91, a temporary storage seat, 911, an insertion hole 912, a detection hole, 913, a flange end, 914, a fixing hole, 92, a second detection sensor, 93 and a second support plate.
Description of the embodiments
The present invention will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the invention only by way of illustration, and therefore it shows only the constitution related to the invention.
As shown in fig. 2 and 3, the distance detection device from the conical surface to the top plane of the automobile transmission shaft comprises a base 1, a clamping mechanism 3, a conical surface detection mechanism 4, an up-down moving mechanism 5, a product placement seat 6 and a welding support seat 7, wherein the base 1 comprises a top plate and a support column, and a support foot 11 and a fixing plate 12 are arranged at the bottom of the support column. The ground is supported through supporting the lower margin 11, if need fix equipment then through screw with fixed plate 12 and ground locking, improves the steadiness, and fixed plate 12 is the L template in this embodiment, all is equipped with the connecting hole on the both ends face of L template, is convenient for be connected with other structures. The welding support seat 7 is arranged on the base 1 and used for supporting other mechanisms; the clamping mechanism 3 is connected to the welding support seat 7, the clamping mechanism 3 is provided with a clamping part, and two ends of the clamping part can transversely approach or depart from each other for clamping and fixing the transmission shaft 8; the product placing seat 6 is positioned below the clamping mechanism 3 and is opposite to the clamping part of the clamping mechanism 3, and is used for placing the bottom of the transmission shaft 8; the conical surface detection mechanism 4 is positioned above the clamping mechanism 3 and connected to the up-down movement mechanism 5 for detecting whether the transmission shaft 8 is qualified or not, and the conical surface detection mechanism 4 is provided with a conical surface fitting part 4534, and the conical surface fitting part 4534 is used for matching with the conical surface at the top of the transmission shaft 8; the up-and-down moving mechanism 5 is connected to the side surface of the welding support seat 7 and is used for driving the conical surface detecting mechanism 4 to move up and down.
As shown in fig. 4-7, the conical surface detection mechanism 4 comprises a transfer plate 41, a displacement sensor 42, a stop block 44 and a profiling tool assembly 45, wherein the displacement sensor 42 is relatively fixed with the transfer plate 41, in order to realize the fixation between the displacement sensor 42 and the profiling tool and reduce assembly errors, the displacement sensor 42 is arranged above a cover plate through a sensor bracket 43, the profiling tool assembly 45 is arranged right below the displacement sensor 42, a measuring rod of the displacement sensor 42 is in contact with a test head 455 of the profiling tool assembly 45, the stop block 44 is arranged on a transverse plate of the transfer plate 41, one side of the stop block 44, facing the sensor bracket 43, is provided with a U-shaped limit opening, and the sensor bracket 43 is embedded in the U-shaped limit opening. The U-shaped limiting opening can prevent the sensor bracket 43 from rotating, and stability is improved. The displacement sensor 42 in this embodiment is preferably a high-precision kenji displacement sensor.
The profiling tool assembly 45 comprises a sliding sleeve 451, a sliding sleeve cover plate 452, a guide sleeve 453, a guide sleeve cover plate 454, a test head 455 and a spring 456, wherein a cavity which is vertically communicated is formed in the sliding sleeve 451, the sliding sleeve cover plate 452 is arranged above the sliding sleeve 451 in a covering manner, the upper ends of the sliding sleeve cover plate 452 and the sliding sleeve 451 are jointly connected to a transverse plate of the transfer plate 41 through screws, and are suspended below the transverse plate, through holes are formed in the sliding sleeve cover plate 452, the guide sleeve 453 and the guide sleeve cover plate 454 are arranged in the cavity of the sliding sleeve 451, the guide sleeve cover plate 454 is arranged at the upper end of the guide sleeve 453 in a covering manner and fixedly connected with the guide sleeve 453 through screws, the upper end of the guide sleeve cover plate 454 is abutted with the sliding sleeve cover plate 452, the lower end of the guide sleeve 453 is abutted with the sliding sleeve 451, the guide sleeve 453 and the guide sleeve cover plate 454 are fixed in the cavity of the sliding sleeve 451 through the sliding sleeve 451 and the sliding sleeve cover plate 452, so that the position of the guide sleeve 453 is stable in the testing, and meanwhile, when different transmission shafts 8 are required to be tested, only the guide sleeve 453 with different universal conical surfaces are required to be correspondingly replaced, and the performance of the detection device is improved; at least three radial extending threaded holes are formed in the side wall of the sliding sleeve 451, jackscrews 457 are arranged in the threaded holes, and the guide sleeve 453 is tightly jacked by the jackscrews 457 to ensure that the guide sleeve 453 is coaxial with the sliding sleeve 451.
As shown in fig. 7-9, the test head 455 includes an upper stem 4551 and a lower plug 4552 integrally connected, the outer diameter of the lower plug 4552 is larger than that of the upper stem 4551, the upper stem 4551 extends upward to penetrate through the guide sleeve cover 454, and the upper end surface contacts with the measuring rod of the displacement sensor 42; in this embodiment, the number of springs 456 is three, the springs 456 are uniformly distributed on the outer side of the upper rod portion 4551 along the circumferential direction, in order to fix the positions of the springs 456, the upper end surface of the lower plug portion 4552 is provided with three spring mounting holes 4553, the bottoms of the springs 456 are fixed in the spring mounting holes 4553, a bulge loop 4554 on the outer wall of the lower plug portion 4552 is abutted with an annular boss 4531 on the inner wall of the guide sleeve 453 through the springs 456, the lower end of the lower plug portion 4552 is inserted into a guide hole 4532 of the guide sleeve 453, the lower plug portion 4552 can axially slide in the guide hole 4532, a test hole 4533 is formed in the guide sleeve 453 below the guide hole 4532, the bottoms of the test hole 4533 are provided with conical surface attaching portions 4534 with the shape and the size matched with those of the conical surfaces of the transmission shaft 8, and when in a test, the conical surfaces of the transmission shaft 8 are tightly attached to the conical surface portions 4534, so that the test head 455 is pushed upwards, and the lower plug portion 455 is pushed to be attached to the upper end of the upper plug portion 4552, and the lower plug portion 4552 is inserted into the guide sleeve 453, and the two sides of the upper vent portion 4555 are smoothly slide along the two sides of the guide sleeve 4555 when the lower plug portion 4552 is inserted into the guide sleeve 4555, and the upper vent portion 4555 is arranged in a position corresponding to the upper side wall of the upper vent portion 45.
When no test is performed, the spring 456 is in an initial state, pressing the test head 455 inside the guide sleeve 453, and bringing the collar 4554 and the annular boss 4531 into close contact; when testing is performed, the top of the transmission shaft 8 to be tested is inserted into the test hole 4533, if the length from the conical surface of the transmission shaft 8 to the top is greater than the distance from the bottom of the conical surface attaching part 4534 to the bottom surface of the test head 455, the transmission shaft 8 will prop up the test head 455 and jack up the test head 455 upwards, meanwhile, the spring 456 is compressed to generate downward elastic force, the test head 455 moves upwards, the upper rod 4551 will push the measuring rod of the displacement sensor 42, and the distance from the conical surface to the top is measured through the displacement of the measuring rod, so as to judge whether the test is qualified. In order to enable all the drive shafts 8 to be pushed up to the bottom of the test head 455, the distance from the bottom of the test head 455 to the bottom of the cone attachment 4534 is smaller than the distance from the cone of the standard drive shaft 8 to the top, so that the displacement sensor 42 cannot generate a reading due to the too short distance from the cone of the drive shaft 8 to be tested to the top during testing. When the cone detecting mechanism 4 is lifted up, the test head 455 falls back under the elastic force of the spring 456 and is pressed again in the guide sleeve 453.
As shown in fig. 10 to 12, the clamping mechanism 3 comprises clamping jaw assemblies 31, buffer assemblies 34, clamping cylinders 32, cylinder mounting bars 33, cylinder mounting plates 35 and dovetail groove sliding blocks 36 which are symmetrically arranged on two sides of the detection position of the transmission shaft 8, wherein the number of the cylinder mounting bars 33 is four, two cylinder mounting bars are arranged on each side, one end of each cylinder mounting bar 33 is connected with each cylinder mounting plate 35, the other end of each cylinder mounting bar is fixedly connected with a side plate 73 of the welding support seat 7, and the clamping cylinders 32 are fixed on the cylinder mounting plates 35, so that the clamping cylinders 32 are fixedly connected to the welding support seats 7 through the cylinder mounting bars 33 and the cylinder mounting plates 35; the clamping jaw assembly 31 comprises a dovetail groove clamping jaw 311, a connecting block 312, a cylinder joint 313, a joint cover plate 314 and a T-shaped connecting plate 315, wherein the execution end of the clamping cylinder 32 is connected with a middle vertical plate of the T-shaped connecting plate 315 through the cylinder joint 313, the joint cover plate 314 is sealed on the cylinder joint 313 and fixedly connected with the middle vertical plate of the T-shaped connecting plate 315, the dovetail groove clamping jaw 311 is fixedly connected to the side surface of the middle vertical plate facing away from the clamping cylinder 32, and is fixed with the middle vertical plate through a connecting block 312 arranged at the bottom of the dovetail groove clamping jaw 311 through a screw, and the connecting block 312 is a bar-shaped block with the same length as the groove length of the dovetail groove clamping jaw 311 in the embodiment; one side of the dovetail sliding block 36 is connected to the side plate 73 of the T-shaped connecting plate 315, and the other side is connected to a transverse guide rail in a sliding manner, and the transverse guide rail is fixed on the back plate 74 of the welding support seat 7. The buffer components 34 comprise an upper group and a lower group, each group of buffer components 34 comprises two buffers 341 and a limiting block 343, the limiting blocks 343 are positioned in the middle of the clamping mechanism 3, the two buffers 341 are symmetrically arranged on two sides of the limiting blocks 343, and the buffers 341 are respectively and fixedly connected to the dovetail groove sliding blocks 36 through buffer brackets 342. The buffer component 34 can limit the action distance of the clamping jaw components 31 on both sides, and can also play a role in buffering to reduce noise.
In order to detect whether the up-and-down movement mechanism 5 is in place when lifted, an opposite-type sensor is provided, one end of which is attached to an opposite-type mounting plate fixedly connected to the transfer plate 41, and the other end of which is attached to an opposite-type mounting plate 46 on the side plate 73 of the welding support 7.
As shown in fig. 13, the up-down moving mechanism 5 includes two guide rails 51, two sliding blocks 52, an adapter plate 53 and a lifting cylinder, the two guide rails 51 are fixed on the welding support seat 7 in the vertical direction, and each guide rail 51 is connected with at least one sliding block 52, in order to improve stability, in this embodiment, each guide rail 51 is slidingly connected with two sliding blocks 52, the back of the transfer plate 41 of the cone detection mechanism 4 is connected with the sliding block 52, one end of the adapter plate 53 is fixedly connected with the transfer plate 41 between the guide rails 51, the other end is connected with the executing end of the lifting cylinder, and the transfer plate 41 is controlled by the lifting cylinder to drive the cone detection mechanism 4 to move up and down.
As shown in fig. 13-15, the product placement seat 6 includes an upper seat 61 and a lower seat 62, the bottom of the upper seat 61 is provided with a plug rod 611, the lower seat 62 is internally provided with a jack 621, the plug rod 611 is inserted into the jack 621, and since oil stains remain on the surface of the transmission shaft when the transmission shaft is transferred to the detection station after being processed in the previous procedure, in order to facilitate the oil stains discharge during the detection and avoid polluting the detection mechanism, the product placement seat 6 is further provided with an oil discharge structure, the oil discharge structure includes a mounting hole 612, an oil discharge hole 613, an oil discharge groove 614, a buffer surface 615, an oil storage ring groove 616 and an oil discharge port arranged in the lower seat 62, and the mounting hole 612 is used for realizing the connection and fixation of the upper seat 61 and the lower seat 62 through bolts; the oil drain hole 613 is disposed in the middle of the upper seat 61, a conical buffer surface 615 is formed at the top of the oil drain hole 613, the lower end extends downward to penetrate through the inserted rod 611 and is communicated with an oil drain port in the lower seat 62, the oil storage ring groove 616 is annularly disposed on the upper end surface of the upper seat 61, the oil drain groove 614 is radially disposed on the upper end surface of the upper seat 61, one end of the oil drain groove 614 is communicated with the oil storage ring groove 616, the other end of the oil drain groove 614 extends to the buffer surface 615, and the buffer surface 615 is a conical surface, so that oil can be conveniently guided into the oil drain hole 613. Oil stains on the transmission shaft 8 flow into the oil storage ring groove 616 and the oil drain groove 614 after flowing to the upper end surface of the upper seat 61, and oil in the oil storage ring groove 616 and the oil drain groove 614 reaches a certain amount, flows into the oil drain hole 613 along the oil drain groove 614 through the buffer surface 615 and is discharged through the oil drain hole 613. Preferably, the oil drain groove 614 may be inclined from the oil storage groove 616 side to the buffer surface 615 side, facilitating the flow of oil.
As shown in fig. 13, the welding support 7 includes an upper plate 72, a lower plate 71, side plates 73 and a back plate 74, wherein the upper plate 72 and the lower plate 71 are installed between the two side plates 73 in parallel up and down, the back plate 74 is fixedly connected between the two side plates 73 above the upper plate 72, and the guide rail 51 of the up-and-down moving mechanism 5 is installed on the back plate 74; the upper plate 72 is equipped with the arc opening to the one side that the product placed seat 6 just, and the product placed seat 6 imbeds in the arc opening, can play spacing effect to the product placed seat 6.
As shown in fig. 13, the feeding detection mechanism 2 is further included, the feeding detection mechanism 2 includes a first detection sensor 21, the first detection sensor 21 is mounted on the upper plate 72 of the welding support seat 7 through a first support plate 22, and the detection end of the first detection sensor 21 is opposite to the transmission shaft 8 above the product placement seat 6. The first detection sensor 21 may be a reflective sensor or an opposite-type sensor, and when the reflective sensor is used, the transmitting end and the receiving end of the sensor are located on the same side of the transmission shaft 8, and when the opposite-type sensor is used, the transmitting end and the receiving end of the sensor are located on two sides of the transmission shaft 8, and in this embodiment, the opposite-type laser sensor is preferably used.
As shown in fig. 16 and 17, in order to improve the detection efficiency, the empty space of the detection mechanism is avoided, and the device further comprises a temporary storage mechanism 9, wherein the temporary storage mechanism 9 comprises a temporary storage seat 91 and a second detection sensor 92, the temporary storage seat 91 is fixed on the base 1 on the side surface of the welding support seat 7, an insertion hole 911 for vertically inserting the transmission shaft 8 is axially arranged in the temporary storage seat 91, a detection hole 912 transversely penetrating through the insertion hole 911 is arranged on the side wall of the temporary storage seat 91, and the detection end of the second detection sensor 92 is opposite to the detection hole 912. The second detection sensor 92 may be a reflective sensor or an opposite-type sensor, where the transmitting end and the receiving end of the sensor are located on the same side of the detection hole 912, and where the opposite-type sensor is located on two sides of the detection hole 912, an opposite-type laser sensor is preferably used in this embodiment; in order to facilitate the fixing of the sensor, the sensor further comprises a second support plate 93 for fixedly supporting the sensor, and the second detection sensor 92 is fixed on the base 1 through the second support plate 93; in order to facilitate the fixing of the temporary storage seat 91, the bottom of the temporary storage seat 91 is further provided with a flange end 913 with a fixing hole 914.
The distance detection method from the conical surface to the top plane of the automobile transmission shaft 8 comprises the distance detection device and further comprises the following steps:
s1: determining the error range from the conical surface of the transmission shaft 8 to the top according to the processing requirement;
s2: the standard transmission shaft 8 is arranged on the product placing seat 6, the clamping mechanism 3 clamps the standard transmission shaft 8, the vertical moving mechanism 5 is controlled to drive the conical surface detection mechanism 4 to move downwards, the top of the standard transmission shaft 8 is inserted into the detection hole 912 of the test head 455 of the conical surface detection mechanism 4, the conical surface of the standard transmission shaft 8 is attached to the conical surface attaching part 4534 at the bottom of the detection hole 912, the top of the standard transmission shaft 8 is propped against the bottom surface of the lower plug part 4552 of the test head 455, and then the displacement sensor 42 is cleared, so that the calibration of the displacement sensor 42 is realized, after the calibration, the vertical moving mechanism 5 is lifted, the clamping mechanism 3 is loosened, and the standard transmission shaft 8 is taken down from the product placing seat 6;
s3: then, the transmission shaft 8 to be detected is placed on the product placing seat 6, the clamping mechanism 3 clamps the transmission shaft 8 to be detected, the up-down moving mechanism 5 is controlled to drive the conical surface detection mechanism 4 to move downwards, the top of the transmission shaft 8 to be detected is inserted into the detection hole 912 of the test head 455 of the conical surface detection mechanism 4, the conical surface of the transmission shaft 8 to be detected is attached to the conical surface attaching part 4534 at the bottom of the detection hole 912, the top of the transmission shaft 8 to be detected is attached to the bottom surface of the lower plug part 4552 of the test head 455, then the reading of the displacement sensor is read, whether the reading is in the error range is judged, if the reading is in the error range, the transmission shaft 8 to be detected is qualified, and if the reading is not in the error range, the transmission shaft 8 to be detected is unqualified.
Further, the method also comprises the step of screening the unqualified transmission shaft 8:
when the reading of the displacement sensor is larger than the maximum value of the error, the distance from the conical surface of the transmission shaft 8 to be detected to the top is excessively long, the excessively long transmission shaft 8 is reworked, the distance from the conical surface of the transmission shaft 8 to the top is shortened, and the transmission shaft 8 after reworking is detected again to judge whether the transmission shaft is qualified or not;
when the reading of the displacement sensor is smaller than the minimum value of the error, the distance from the conical surface of the transmission shaft 8 to be detected to the top is too short, and the transmission shaft 8 which is too short is regarded as a defective product to be scrapped or processed for other purposes.
For the calibration and calibration process of the displacement sensor 42 in step S2, the calibration and calibration may be repeated at intervals according to the actual situation, the accuracy of detection may be ensured, and the condition of repeated calibration and calibration may be conditioned on detecting the same number of transmission shafts 8 or detecting the same time.
The distance detection device and the distance detection method simplify the detection mode, reduce the detection cost, completely eliminate manual operation, enable the robot to feed and discharge materials in the whole process, enable the robot to judge whether the robot is qualified or not, record numerical values and improve the detection efficiency by at least ten times.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (13)
1. A distance detection device from a conical surface to a top plane of an automobile transmission shaft is characterized in that: comprises a clamping mechanism, a conical surface detection mechanism, an up-down moving mechanism, a product placing seat and a welding supporting seat, wherein,
the welding support seat is used for supporting the clamping mechanism, the conical surface detection mechanism, the up-and-down moving mechanism and the product placing seat;
the clamping mechanism is connected to the welding support seat and is provided with a clamping part, and two ends of the clamping part can transversely approach or depart from each other and are used for clamping and fixing the transmission shaft;
the product placing seat is positioned below the clamping mechanism and is opposite to the clamping part of the clamping mechanism and used for placing the bottom of the transmission shaft;
the conical surface detection mechanism is positioned above the clamping mechanism and connected to the up-down moving mechanism and is used for detecting whether the transmission shaft is qualified or not, and the conical surface detection mechanism is provided with a conical surface attaching part which is used for being matched with the conical surface at the top of the transmission shaft;
the up-and-down moving mechanism is connected to the side surface of the welding support seat and used for driving the conical surface detecting mechanism to move up and down;
the conical surface detection mechanism comprises a transfer plate, a displacement sensor and a profiling tool assembly, wherein the displacement sensor is relatively fixed with the transfer plate, the profiling tool assembly is arranged right below the displacement sensor, and a measuring rod of the displacement sensor is in contact with a test head of the profiling tool assembly;
the profiling tool assembly comprises a sliding sleeve, a sliding sleeve cover plate, a guide sleeve cover plate, a testing head and a spring, wherein a cavity which is communicated up and down is formed in the sliding sleeve, the sliding sleeve cover plate is arranged above the sliding sleeve in a covering mode, through holes are formed in the sliding sleeve cover plate, the guide sleeve and the guide sleeve cover plate are arranged in the cavity of the sliding sleeve, the guide sleeve cover plate is arranged at the upper end of the guide sleeve in a covering mode, the upper end of the guide sleeve cover plate is abutted to the sliding sleeve, the lower end of the guide sleeve is abutted to the sliding sleeve, at least three threaded holes which extend radially are formed in the side wall of the sliding sleeve, jackscrews are arranged in the threaded holes, the guide sleeve is tightly abutted to the jackscrews, the testing head comprises an upper rod part and a lower plug part which are integrally connected, the outer diameter of the lower plug part is larger than that of the upper rod part extends upwards to penetrate through the guide sleeve, and the upper end face is contacted with a measuring rod of the displacement sensor; the upper end face of the lower plug part and the lower end face of the guide sleeve cover plate are provided with springs, a convex ring on the outer wall of the lower plug part is abutted with an annular boss on the inner wall of the guide sleeve through the springs, the lower end of the lower plug part is inserted into a guide hole of the guide sleeve, the lower plug part can axially slide in the guide hole, a test hole is arranged in the guide sleeve below the guide hole, and the bottom of the test hole is provided with a conical surface fitting part with the shape and the size matched with those of the transmission shaft.
2. The device for detecting the distance from the conical surface to the top plane of the automobile transmission shaft according to claim 1, wherein: the conical surface detection mechanism further comprises a stop block, the stop block is arranged on the transverse plate of the transfer plate, one side, facing the sensor support, of the stop block is provided with a U-shaped limiting opening, and the sensor support is embedded into the U-shaped limiting opening.
3. The device for detecting the distance from the conical surface to the top plane of the automobile transmission shaft according to claim 1, wherein: the welding support seat comprises an upper plate, a lower plate, side plates and a back plate, wherein the upper plate and the lower plate are arranged between the two side plates in parallel up and down, the back plate is fixedly connected between the two side plates above the upper plate, and a guide rail of the up-down moving mechanism is arranged on the back plate; the upper plate is equipped with the arc opening to the one side of product placement seat, and the product placement seat imbeds in the arc opening.
4. A cone to top plane distance sensing apparatus for automotive propeller shafts as set forth in claim 3, wherein: the clamping mechanism comprises clamping jaw assemblies, clamping cylinders, cylinder mounting strips and a dovetail groove sliding block which are symmetrically arranged on two sides of a transmission shaft detection position, wherein the clamping jaw assemblies comprise dovetail groove clamping jaws, connecting blocks, cylinder joints, joint cover plates and T-shaped connecting plates, the execution ends of the clamping cylinders are connected with middle vertical plates of the T-shaped connecting plates through the cylinder joints, the joint cover plates are sealed on the cylinder joints and fixedly connected to the middle vertical plates of the T-shaped connecting plates, and the dovetail groove clamping jaws are fixedly connected to the side faces of the middle vertical plates back to the clamping cylinders and are fixed with the middle vertical plates through connecting blocks arranged at the bottoms of the groove bottoms of the dovetail groove clamping jaws; one side of the dovetail groove sliding block is connected to a side plate of the T-shaped connecting plate, the other side of the dovetail groove sliding block is connected to a transverse guide rail in a sliding mode, and the transverse guide rail is fixed to a back plate of the welding supporting seat.
5. The device for detecting the distance from the conical surface to the top plane of the automobile transmission shaft according to claim 4, wherein: the clamping mechanism further comprises buffer assemblies, each buffer assembly comprises an upper group and a lower group, each buffer assembly comprises two buffers and a limiting block, the limiting blocks are located at the middle positions of the clamping mechanism, the two buffers are symmetrically arranged on two sides of the limiting blocks, and the buffers are fixedly connected to the dovetail sliding blocks through buffer supports respectively.
6. The device for detecting the distance from the conical surface to the top plane of the automobile transmission shaft according to claim 1, wherein: the up-down moving mechanism comprises two guide rails, two sliding blocks, an adapter plate and a lifting cylinder, wherein the vertical direction of the guide rails is fixed on the welding support seat, at least one sliding block is connected to each guide rail, the back of a transfer plate of the conical surface detecting mechanism is connected to the sliding blocks, one end of the adapter plate is fixedly connected to the transfer plate between the guide rails, the other end of the adapter plate is connected with the executing end of the lifting cylinder, and the transfer plate is controlled by the lifting cylinder to drive the conical surface detecting mechanism to move up and down.
7. The device for detecting the distance from the conical surface to the top plane of the automobile transmission shaft according to claim 1, wherein: the product placing seat comprises an upper seat and a lower seat, wherein an inserting rod is arranged at the bottom of the upper seat, a jack is arranged in the lower seat, and the inserting rod is inserted in the jack.
8. The device for detecting the distance from the conical surface to the top plane of the propeller shaft of an automobile according to claim 7, wherein: still be equipped with the oil extraction structure on the product is placed the seat, the oil extraction structure is including setting up oil drain hole, oil drain groove, buffering face, oil storage annular and the oil drain mouth of setting in the lower seat on the seat, the oil drain hole sets up the middle part at the upper seat, and the oil drain hole top forms conical buffering face, and the lower extreme downwardly extending runs through the inserted bar and communicates with the oil drain mouth in the lower seat, oil storage annular ring is established on the up end of upper seat, the oil drain groove sets up on the up end of upper seat along radial, and oil drain groove one end and oil storage annular intercommunication, the other end extends to the buffering face.
9. The cone to top plane distance sensing device of an automotive propeller shaft of any one of claims 3-5, wherein: still include material loading detection mechanism, material loading detection mechanism includes first detection sensor, first detection sensor installs on the upper plate of welding supporting seat through first backup pad, and first detection sensor's detection is just to the transmission shaft of product placement seat top.
10. The device for detecting the distance from the conical surface to the top plane of the propeller shaft of an automobile according to claim 9, wherein: still include the base, the welding supporting seat is fixed in the top of base, the bottom of base is equipped with support lower margin and fixed plate.
11. The device for detecting the distance from the conical surface to the top plane of the propeller shaft of an automobile according to claim 10, wherein: still include temporary storage mechanism, temporary storage mechanism includes temporary storage seat and second detection sensor, the seat of keeping in is fixed on the base of welding supporting seat side, just be equipped with the jack of vertical plug-in transmission shaft in the seat of keeping in along the axial, be equipped with the detection hole that transversely runs through the jack on the lateral wall of seat of keeping in, the detection of second detection sensor is right to the detection hole.
12. A distance detection method from a conical surface to a top plane of an automobile transmission shaft is characterized by comprising the following steps of: the use of a distance detection device according to any one of claims 1-11, further comprising the steps of:
s1: determining the error range from the conical surface to the top of the transmission shaft according to the processing requirement;
s2: installing a standard transmission shaft on a product placing seat, enabling a clamping mechanism to clamp the standard transmission shaft, controlling an up-down moving mechanism to drive a conical surface detection mechanism to move downwards, enabling the top of the standard transmission shaft to be inserted into a test hole of a test head of the conical surface detection mechanism, enabling the conical surface of the standard transmission shaft to be attached to a conical surface attaching part at the bottom of the test hole, enabling the top of the standard transmission shaft to prop against the bottom surface of a lower plug part of the test head, resetting a displacement sensor, calibrating the displacement sensor, enabling the up-down moving mechanism to be lifted, loosening the clamping mechanism, and taking down the standard transmission shaft from the product placing seat;
s3: then placing the transmission shaft to be detected on the product placing seat, enabling the clamping mechanism to clamp the transmission shaft to be detected, controlling the up-down moving mechanism to drive the conical surface detection mechanism to move downwards, enabling the top of the transmission shaft to be detected to be inserted into a test hole of a test head of the conical surface detection mechanism, enabling the conical surface of the transmission shaft to be detected to be attached to a conical surface attaching part at the bottom of the test hole, enabling the top of the transmission shaft to be detected to be attached to the bottom surface of a lower plug part of the test head, then reading a reading of displacement sensing, judging whether the reading is in an error range, if the reading is in the error range, indicating that the transmission shaft to be detected is qualified, and if the reading is not in the error range, indicating that the transmission shaft to be detected is unqualified.
13. The method for detecting the distance from the conical surface to the top plane of the automobile transmission shaft according to claim 12, wherein: the method also comprises the step of screening the unqualified transmission shafts:
when the reading of the displacement sensor is larger than the maximum value of the error, the distance from the conical surface of the transmission shaft to be detected to the top is excessively long, the excessively long transmission shaft is reworked, the distance from the conical surface of the transmission shaft to the top is shortened, and the transmission shaft after reworking is detected again to judge whether the transmission shaft is qualified or not;
when the reading of the displacement sensor is smaller than the minimum value of the error, the distance from the conical surface of the transmission shaft to be detected to the top is too short, and the transmission shaft which is too short is regarded as a defective product to be scrapped.
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| CN202111325547.5A CN114076583B (en) | 2021-11-10 | 2021-11-10 | Device and method for detecting distance from conical surface to top plane of automobile transmission shaft |
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| CN202111325547.5A CN114076583B (en) | 2021-11-10 | 2021-11-10 | Device and method for detecting distance from conical surface to top plane of automobile transmission shaft |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0653911U (en) * | 1992-12-25 | 1994-07-22 | 大昭和精機株式会社 | measuring device |
| CN103743370A (en) * | 2013-12-18 | 2014-04-23 | 河南东方龙机械制造有限公司 | Automatic oil casing coupling standoff measuring device |
| CN204228137U (en) * | 2014-12-14 | 2015-03-25 | 中信戴卡股份有限公司 | A kind of wheel cast gate height detecting device |
| CN208921016U (en) * | 2018-12-12 | 2019-05-31 | 重庆升科精锻科技有限公司 | A kind of conical surface detection device |
| CN209910628U (en) * | 2019-04-22 | 2020-01-07 | 毕勤自动化技术(上海)股份有限公司 | Novel vacuum pump height detection device |
| CN111089558A (en) * | 2020-03-24 | 2020-05-01 | 宁波均普智能制造股份有限公司 | Main cone pad selection device and method |
| CN212378668U (en) * | 2020-07-20 | 2021-01-19 | 重庆建设工业(集团)有限责任公司 | Tool for rapidly detecting distance from certain part of taper section of shaft part to end face |
| CN112444227A (en) * | 2020-11-13 | 2021-03-05 | 中国科学院沈阳自动化研究所 | Multi-size automatic depth detection device |
-
2021
- 2021-11-10 CN CN202111325547.5A patent/CN114076583B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0653911U (en) * | 1992-12-25 | 1994-07-22 | 大昭和精機株式会社 | measuring device |
| CN103743370A (en) * | 2013-12-18 | 2014-04-23 | 河南东方龙机械制造有限公司 | Automatic oil casing coupling standoff measuring device |
| CN204228137U (en) * | 2014-12-14 | 2015-03-25 | 中信戴卡股份有限公司 | A kind of wheel cast gate height detecting device |
| CN208921016U (en) * | 2018-12-12 | 2019-05-31 | 重庆升科精锻科技有限公司 | A kind of conical surface detection device |
| CN209910628U (en) * | 2019-04-22 | 2020-01-07 | 毕勤自动化技术(上海)股份有限公司 | Novel vacuum pump height detection device |
| CN111089558A (en) * | 2020-03-24 | 2020-05-01 | 宁波均普智能制造股份有限公司 | Main cone pad selection device and method |
| CN212378668U (en) * | 2020-07-20 | 2021-01-19 | 重庆建设工业(集团)有限责任公司 | Tool for rapidly detecting distance from certain part of taper section of shaft part to end face |
| CN112444227A (en) * | 2020-11-13 | 2021-03-05 | 中国科学院沈阳自动化研究所 | Multi-size automatic depth detection device |
Non-Patent Citations (1)
| Title |
|---|
| "气门盘锥面高检测方法探讨";陈宏兴;《内燃机与配件》(第04期);49-55 * |
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