CN111929046A

CN111929046A - Nut thread detection equipment

Info

Publication number: CN111929046A
Application number: CN202010757112.7A
Authority: CN
Inventors: 陈永臻; 董增斌; 王翠
Original assignee: SHANDONG GAOQIANG FASTENER CO Ltd
Current assignee: SHANDONG GAOQIANG FASTENER CO Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2020-11-13
Anticipated expiration: 2040-07-31
Also published as: CN111929046B

Abstract

The invention relates to the technical field of detection equipment, in particular to nut thread detection equipment, which can effectively save physical strength and time during manual detection by automatically detecting a nut, improve the automation degree of nut detection, shorten the detection time of the nut, improve the working efficiency, keep consistent force when the nut drives a first rotating shaft to rotate, effectively improve the stress consistency of the nut, improve the detection accuracy and improve the practicability and reliability; including workstation, two sets of landing legs, well accuse case, detection screw rod, shaft coupling and first pivot, left downside and the right downside at the workstation are installed respectively to two sets of landing legs, and well accuse case is installed on the top right side of workstation, detects the screw rod and is located the top of workstation, and the left end that detects the screw rod is the toper, and the shaft coupling is installed on the right side that detects the screw rod, and first pivot is installed on the right side of shaft coupling.

Description

Nut thread detection equipment

Technical Field

The invention relates to the technical field of detection equipment, in particular to nut thread detection equipment.

Background

As is known well, the nut is mainly used in cooperation with a bolt and is an auxiliary part for assembling and fastening mechanical equipment, the nut is greatly applied in modern production, the nut is fastened and connected through threads in the nut, the quality of the threads is generally required to be detected after the existing nut threads are machined, the existing inspection mode is mainly that a worker screws the nut on the bolt, when the nut cannot be screwed into the bolt with the corresponding specification normally, the machining quality of the internal threads of the nut is unqualified, when the nut quality is detected by adopting the mode, the workload of the worker is large, the detection speed is low, the working efficiency is low, more manpower is required to be consumed, meanwhile, when the nut is screwed manually, the stress consistency of the nut is poor, and the accuracy of the detection mode is low.

Disclosure of Invention

In order to solve the technical problems, the invention provides the nut thread detection device which can effectively save physical strength and time during manual detection, improve the automation degree of nut detection, shorten the detection time of the nut, improve the working efficiency, keep consistent force when the nut drives the first rotating shaft to rotate, effectively improve the stress consistency of the nut, improve the detection accuracy and improve the practicability and reliability by automatically detecting the nut.

The invention relates to a nut thread detection device, which comprises a workbench, two groups of supporting legs, a central control box, a detection screw, a coupler and a first rotating shaft, wherein the two groups of supporting legs are respectively arranged at the left lower side and the right lower side of the workbench, the central control box is arranged at the right side of the top of the workbench, the detection screw is positioned above the workbench, the left end of the detection screw is conical, the coupler is arranged at the right side of the detection screw, the first rotating shaft is arranged at the right side of the coupler, the left side and the right side of the first rotating shaft can be respectively provided with a stabilizing sleeve in a rotating way, the bottoms of the two groups of stabilizing sleeves are respectively provided with a first bracket, the bottoms of the two groups of first brackets are respectively arranged on the workbench, the right side of the first rotating shaft is provided with a first rotating disc, the bottom of the first rotating disc is provided with an induction magnet block, an inductor is arranged below the, the sensor is electrically connected with the central control box, a locking device is arranged below the middle part of the first rotating shaft, the locking device is arranged on the workbench and electrically connected with the central control box, an extruding device is arranged on the outer wall of the upper side of the first rotating shaft, an adjusting device is arranged on the upper side of the extruding device, the rear lower side and the front lower side of the adjusting device are both arranged on the workbench, a first guide rail is arranged on the left side of the top of the workbench, a first slide block is slidably arranged on the first guide rail, second brackets are arranged on the front side and the rear side of the top of the first slide block, a first fixing ring is arranged on the top of the two groups of second brackets, a second turntable is rotatably sleeved on the inner wall of the first fixing ring, a clamping device is arranged on the right side of the second turntable, the position of the clamping device corresponds to the position of the detection screw rod, a second slide block is arranged on the left, the front side and the rear side of the top of the second sliding block are respectively provided with a third bracket, a third rotating disc is arranged above the second sliding block, the left side of the outer wall of the third rotating disc is rotatably provided with a second fixing ring, the front side and the rear side of the second fixing ring are respectively arranged at the tops of the two groups of third brackets, the right side of the outer wall of the third rotating disc is provided with an outer toothed ring, the right side of the top of the second sliding block is provided with a first motor, the left side of the first motor is sequentially provided with a second rotating shaft and a first gear, the top of the first gear is meshed with the bottom of the outer toothed ring, the left side of the second rotating disc is uniformly provided with four groups of guide rods, the left sides of the four groups of guide rods penetrate through the third rotating disc and extend to the left side of the third rotating disc, the four groups of guide rods are slidably connected with the third rotating disc, the outer walls of the right sides of the, the left sides of the four groups of first springs are all arranged on a third rotary table, the left ends of the four groups of guide rods are all provided with a sealing plate, the middle part of the left side of the third rotary table is provided with a first stud, the outer wall of the left side of the first stud is sleeved with a first screw sleeve, the first screw sleeve is connected with the first stud in a screw mode, the left end and the left side of the bottom of the first screw sleeve are respectively provided with a fourth support, the bottoms of the two groups of fourth supports are all arranged on a workbench, the left side and the right side of the first guide rail are respectively provided with a fifth support, the inner sides of the upper parts of the two groups of fifth supports are respectively provided with a contact switch, the positions of the two groups of contact switches respectively correspond to the positions of a first sliding block and a second sliding block; the nut is fixed on a clamping device, the position of a threaded hole in the middle of the nut corresponds to the position of a detection screw rod, a central control box controls a first motor to rotate in the forward direction, the first motor drives a first gear to rotate in the forward direction through a second rotating shaft, the first gear is meshed with an outer toothed ring, the first gear drives the outer toothed ring to rotate in the forward direction, the outer toothed ring drives a third rotating disc and a first stud to rotate in the forward direction, the first stud is connected with a first threaded sleeve in a threaded mode, the first stud moves rightwards on the first threaded sleeve, the first stud pushes the third rotating disc to move rightwards, the third rotating disc drives a second fixing ring, two groups of third supports, a second sliding block, the outer toothed ring, the first motor, the second rotating shaft and the first gear to move rightwards synchronously, the second sliding block slides rightwards on a first guide rail, meanwhile, the third rotating disc extrudes four groups of first springs and pushes the four groups of first springs, the four groups of, the second rotary table drives four groups of guide rods and four groups of sealing plates to move rightwards, the four groups of guide rods can slide on the third rotary table, the four groups of guide rods support the second rotary table, the four groups of first springs can buffer the second rotary table, so that when the moving speeds of the second rotary table and the third rotary table are different, the second rotary table and the third rotary table are kept in an elastic connection state, the four groups of sealing plates can limit the left ends of the four groups of guide rods, the rightwards moving second rotary table drives the clamping device, the nut, the first fixing ring, the two groups of second supports and the first sliding block to move rightwards, the first sliding block slides rightwards on the first guide rail, meanwhile, the second fixing ring and the two groups of third supports can support the third rotary table due to the fact that the third rotary table is in a forward rotating state, the third rotary table drives the second rotary table to rotate through the four groups of guide rods, and the first fixing ring and the second supports can support the second rotary, the second rotary table drives the clamping device and the nut to rotate in the forward direction, so that the nut moves rightwards and keeps rotating in the forward direction, the nut is in contact with the left side of the detection screw and is screwed on the detection screw, the extrusion device generates downward pressure on the first rotary shaft, the first rotary shaft is fixed, the first rotary shaft drives the coupler and the detection screw to keep a fixed state, when the nut can be completely screwed on the detection screw, the detection screw keeps a fixed state, the first sliding block moves rightwards and is in contact with the right contact switch, the right contact switch transmits a contact signal into the central control box, the central control box detects that the nut is qualified, when the tooth form of the internal thread of the nut is at a defective position, the nut cannot be completely screwed on the detection screw, because the tooth form of the internal thread of the nut is close to the tooth form of the upper thread of the detection screw, extrusion force is generated between the nut and the detection screw, and the nut can counteract extrusion friction force generated by the extrusion device on the, The coupler, the first rotating shaft and the first rotating disc rotate, the first rotating disc drives the induction magnetic block to rotate and deviate from the inductor, the inductor detects that the magnetic field of the induction magnetic block deviates, the inductor transmits a detection signal into the central control box, the central control box detects that the nut is unqualified, the first sliding block is not in contact with the right contact switch at the moment, the central control box controls the locking device to be opened, the top of the locking device locks and fixes the lower side of the outer wall of the first rotating shaft, the central control box controls the first motor to rotate reversely, the nut rotates reversely and moves leftwards to an initial position, the first sliding block and the second sliding block slide leftwards to the initial position, the clamping device is opened, the nut is taken down and the next group of nuts is fixed on the clamping device, so that the nut is subjected to repeated automatic detection processing, the left contact switch and the second sliding block moves leftwards to limit, and the second sliding block is prevented from being separated, two sets of fifth supports support two sets of contact switches respectively, through carrying out automated inspection to the nut, can effectively save manual detection time measuring physical power and time, improve the degree of automation that the nut detected, shorten the check-out time of nut, improve work efficiency, the dynamics keeps unanimous when the nut drives first pivot rotation simultaneously, effectively improves the uniformity of nut atress, improves the degree of accuracy that detects, improves practicality and reliability.

The invention relates to a nut thread detection device, which comprises two groups of second guide rails, two groups of first mounting plates, a second motor, a second stud, a second threaded sleeve and two groups of clamping groove plates, wherein the two groups of second guide rails are respectively and vertically arranged on the right front side and the right rear side of a second rotary table, the upper sides and the lower sides of the two groups of second guide rails are respectively provided with a moving block, the upper two groups of moving blocks are respectively and slidably arranged on the two groups of second guide rails, the lower two groups of moving blocks are respectively and fixedly arranged on the lower sides of the two groups of second guide rails, the top ends of the two groups of second guide rails are respectively provided with a limiting plate, the two groups of first mounting plates are respectively positioned on the right upper side and the right lower side of the second rotary table, the left front sides and the left rear sides of the two groups of first mounting plates are respectively arranged on the four groups of moving blocks, the second motor is arranged on the upper first mounting, the bottom of a second stud penetrates through the upper first mounting plate and extends into a position between the two groups of first mounting plates, the bottom of a second screw sleeve is mounted on the lower first mounting plate, the bottom of the second stud is screwed into the second screw sleeve through the top of the second screw sleeve, the two groups of clamping groove plates are respectively mounted on the right sides of the two groups of first mounting plates, the directions of the two groups of clamping groove plates are opposite, mounting grooves are formed in the inner walls of the two groups of clamping groove plates, two groups of electromagnetic generators are arranged in the two groups of mounting grooves, and the four groups of electromagnetic generators are electrically connected with a central control box; the nut is placed in the lower side clamping groove plate, the position of the nut corresponds to the position of the detection screw, the central control box controls a second motor to rotate in the forward direction, the second motor drives a second stud to rotate in the forward direction, the second stud is connected with a second threaded sleeve in a threaded manner, the second stud moves downwards on the second threaded sleeve and extends into the second threaded sleeve, the second stud drives an upper side first mounting plate, the second motor, an upper side clamping groove plate and an upper side two sets of moving blocks to move downwards, the upper side two sets of moving blocks respectively slide on two sets of second guide rails, the upper side clamping groove plate is buckled on the upper side of the bolt and compresses the bolt, the central control box controls to open four sets of electromagnetic generators, the four sets of electromagnetic generators all adsorb and fix the outer wall of the nut, so that the fixing work of the nut is completed, when the nut is disassembled, the central control box controls to close the four sets of electromagnetic generators, and the four sets of electromagnetic generators all stop adsorbing work of the nut, and the central control box controls the second motor to rotate reversely, the upper clamping groove plate moves upwards and is separated from the nut, and the nut is taken down, so that the nut is disassembled.

The invention discloses nut thread detection equipment, which comprises an adjusting plate, an extrusion bin, a second mounting plate, a pressure rod and an arc-shaped pressure plate, wherein the top of the adjusting plate is mounted on the adjusting plate; the multiunit second spring is in compression state, the multiunit second spring produces the downward pressure through second mounting panel and depression bar to the arc clamp plate, the bottom of arc clamp plate produces the extrusion force to the outer wall upside of first pivot, thereby it is fixed to extrude first pivot, when the incomplete position appears in the screw thread profile in being detected the nut, the nut can't be in the detection screw rod of packing into completely, produce the extrusion force between nut and the detection screw rod, the nut of pivoted condition can offset the extrusion frictional force of arc clamp plate to first pivot and drive the detection screw rod, the shaft coupling, first pivot, first carousel and response magnetic path rotate, examine time measuring to the multiunit nut, the arc clamp plate keeps unanimous to the extrusion force of first pivot, thereby make nut detection pressure keep unanimous, improve and detect the degree of accuracy, improve practicality and reliability.

The invention relates to nut thread detection equipment, which comprises an adjusting device, a nut fixing device and a nut thread detection device, wherein the adjusting device comprises a bow-shaped frame, two groups of third studs, two groups of mounting seats, two groups of second gears, a third rotating shaft, a long gear and an adjusting disc, the front side and the rear side of the bottom of the bow-shaped frame are both arranged on a workbench, the two groups of third studs are both screwed on the top of the bow-shaped frame, the bottoms of the two groups of mounting seats are respectively arranged on the left side and the right side of the top of an adjusting plate, the tops of the two groups of mounting seats are respectively and rotatably connected with the bottoms of the two groups of third studs, the two groups of second gears are respectively arranged on the tops of the two groups of third studs, the bottom of the third rotating shaft is rotatably arranged on the; rotate the third pivot through the adjustment disk, the third pivot drives the bull gear and rotates, the bull gear drives two sets of third double-screw bolts through two sets of second gears and rotates, two sets of third double-screw bolts all are connected with the top spiral shell dress of bow-shaped frame, two sets of third double-screw bolts drive two sets of mounts in step and reciprocate, two sets of mounts drive the adjusting plate and reciprocate, thereby make the adjusting plate drive the extrusion storehouse and reciprocate, the extrusion storehouse drives the top of multiunit second spring and reciprocates, thereby adjust the elasticity intensity of multiunit second spring to the second mounting panel, conveniently adjust the intensity of the first pivot of arc clamp plate bottom extrusion, make things convenient for adjusting nut to detect the dynamics, improve practicality and reliability.

The nut thread detection equipment further comprises a protective cover, wherein the protective cover is positioned on the outer sides of the two groups of second gears and long gears, the bottom of the protective cover is installed on the outer side of the top of the arched frame, and a third rotating shaft penetrates through the protective cover and is rotatably connected with the protective cover; through setting up the guard shield, can conveniently keep apart the protection to two sets of second gears and bull gear, prevent that external object from getting into between two sets of second gears and the bull gear and influencing its normal transmission, improve the practicality.

The nut thread detection equipment further comprises two groups of telescopic rods, wherein the tops of the two groups of telescopic rods are respectively arranged on the left side and the right side of the bottom of the adjusting plate, and the bottoms of the two groups of telescopic rods are respectively arranged on the left side and the right side of the top of the arc-shaped pressing plate; through setting up two sets of telescopic links, can conveniently support the arc clamp plate, improve the stability and the fastness of arc clamp plate, improve the practicality.

The nut thread detection equipment comprises a locking device, a workbench, a central control box and a plurality of groups of air cylinder push rods, wherein the locking device comprises two groups of air cylinder push rods and a locking plate; the operation of two sets of cylinder push rods of well accuse case control, the top of two sets of cylinder push rods all promotes the locking board rebound, the top of locking board can with the outer wall bottom contact of first pivot and to first pivot carry out extrusion locking fixed processing, when the nut detects unqualifiedly and moves left and break away from the detection screw rod, detect screw rod, shaft coupling and first pivot and keep fixed state, prevent that unqualified nut and the extrusion force that detects between the screw rod from driving the detection screw rod and rotate at will, guarantee that unqualified nut can carry out normal work of unloading, improve practicality and reliability.

The nut thread detection device also comprises two groups of rubber elastic columns, wherein the two groups of rubber elastic columns are arranged on the right side of the second sliding block, and the positions of the two groups of rubber elastic columns correspond to the position of the first sliding block; through setting up two sets of rubber elasticity posts, can conveniently cushion the nursing to first slider, prevent that first slider and second slider from taking place direct impact, improve practicality and reliability.

Compared with the prior art, the invention has the beneficial effects that: the nut is fixed on a clamping device, the position of a threaded hole in the middle of the nut corresponds to the position of a detection screw rod, a central control box controls a first motor to rotate in the forward direction, the first motor drives a first gear to rotate in the forward direction through a second rotating shaft, the first gear is meshed with an outer toothed ring, the first gear drives the outer toothed ring to rotate in the forward direction, the outer toothed ring drives a third rotating disc and a first stud to rotate in the forward direction, the first stud is connected with a first threaded sleeve in a threaded mode, the first stud moves rightwards on the first threaded sleeve, the first stud pushes the third rotating disc to move rightwards, the third rotating disc drives a second fixing ring, two groups of third supports, a second sliding block, the outer toothed ring, the first motor, the second rotating shaft and the first gear to move rightwards synchronously, the second sliding block slides rightwards on a first guide rail, meanwhile, the third rotating disc extrudes four groups of first springs and pushes the four groups of first springs, the four groups of, the second rotary table drives four groups of guide rods and four groups of sealing plates to move rightwards, the four groups of guide rods can slide on the third rotary table, the four groups of guide rods support the second rotary table, the four groups of first springs can buffer the second rotary table, so that when the moving speeds of the second rotary table and the third rotary table are different, the second rotary table and the third rotary table are kept in an elastic connection state, the four groups of sealing plates can limit the left ends of the four groups of guide rods, the rightwards moving second rotary table drives the clamping device, the nut, the first fixing ring, the two groups of second supports and the first sliding block to move rightwards, the first sliding block slides rightwards on the first guide rail, meanwhile, the second fixing ring and the two groups of third supports can support the third rotary table due to the fact that the third rotary table is in a forward rotating state, the third rotary table drives the second rotary table to rotate through the four groups of guide rods, and the first fixing ring and the second supports can support the second rotary, the second rotary table drives the clamping device and the nut to rotate in the forward direction, so that the nut moves rightwards and keeps rotating in the forward direction, the nut is in contact with the left side of the detection screw and is screwed on the detection screw, the extrusion device generates downward pressure on the first rotary shaft, the first rotary shaft is fixed, the first rotary shaft drives the coupler and the detection screw to keep a fixed state, when the nut can be completely screwed on the detection screw, the detection screw keeps a fixed state, the first sliding block moves rightwards and is in contact with the right contact switch, the right contact switch transmits a contact signal into the central control box, the central control box detects that the nut is qualified, when the tooth form of the internal thread of the nut is at a defective position, the nut cannot be completely screwed on the detection screw, because the tooth form of the internal thread of the nut is close to the tooth form of the upper thread of the detection screw, extrusion force is generated between the nut and the detection screw, and the nut can counteract extrusion friction force generated by the extrusion device on the, The coupler, the first rotating shaft and the first rotating disc rotate, the first rotating disc drives the induction magnetic block to rotate and deviate from the inductor, the inductor detects that the magnetic field of the induction magnetic block deviates, the inductor transmits a detection signal into the central control box, the central control box detects that the nut is unqualified, the first sliding block is not in contact with the right contact switch at the moment, the central control box controls the locking device to be opened, the top of the locking device locks and fixes the lower side of the outer wall of the first rotating shaft, the central control box controls the first motor to rotate reversely, the nut rotates reversely and moves leftwards to an initial position, the first sliding block and the second sliding block slide leftwards to the initial position, the clamping device is opened, the nut is taken down and the next group of nuts is fixed on the clamping device, so that the nut is subjected to repeated automatic detection processing, the left contact switch and the second sliding block moves leftwards to limit, and the second sliding block is prevented from being separated, two sets of fifth supports support two sets of contact switches respectively, through carrying out automated inspection to the nut, can effectively save manual detection time measuring physical power and time, improve the degree of automation that the nut detected, shorten the check-out time of nut, improve work efficiency, the dynamics keeps unanimous when the nut drives first pivot rotation simultaneously, effectively improves the uniformity of nut atress, improves the degree of accuracy that detects, improves practicality and reliability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged structural view of the outer ring gear of FIG. 1;

FIG. 3 is an enlarged schematic view of the upper left oblique view of the adjustment plate of FIG. 1;

FIG. 4 is a schematic bottom enlarged view of the clamping slot plate of FIG. 1;

in the drawings, the reference numbers: 1. a work table; 2. a support leg; 3. a central control box; 4. detecting the screw rod; 5. a coupling; 6. a first rotating shaft; 7. a stabilizing sleeve; 8. a first bracket; 9. a first turntable; 10. an induction magnetic block; 11. an inductor; 12. a first guide rail; 13. a first slider; 14. a second bracket; 15. a first retaining ring; 16. a second turntable; 17. a second slider; 18. a third support; 19. a second retaining ring; 20. a third turntable; 21. an outer ring gear; 22. a first motor; 23. a second rotating shaft; 24. a first gear; 25. a guide bar; 26. a first spring; 27. closing the plate; 28. a first stud; 29. a first threaded sleeve; 30. a fourth bracket; 31. a fifth support; 32. a contact switch; 33. a second guide rail; 34. a moving block; 35. a limiting plate; 36. a first mounting plate; 37. a second motor; 38. a second stud; 39. a second thread insert; 40. clamping the groove plate; 41. an electromagnetic generator; 42. an adjustment plate; 43. extruding the bin; 44. a second spring; 45. a second mounting plate; 46. a pressure lever; 47. an arc-shaped pressing plate; 48. an arched frame; 49. a third stud; 50. a mounting seat; 51. a second gear; 52. a third rotating shaft; 53. a long gear; 54. adjusting the disc; 55. a shield; 56. a telescopic rod; 57. a cylinder push rod; 58. a locking plate; 59. a rubber elastic column.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, in the nut thread detecting apparatus of the present invention, when in operation, a nut is fixed on a clamping device, the position of a threaded hole in the middle of the nut corresponds to the position of a detecting screw rod 4, a central control box 3 controls a first motor 22 to rotate in a forward direction, the first motor 22 drives a first gear 24 to rotate in the forward direction through a second rotating shaft 23, the first gear 24 is engaged with an outer toothed ring 21, the first gear 24 drives the outer toothed ring 21 to rotate in the forward direction, the outer toothed ring 21 drives a third rotating disc 20 and a first stud 28 to rotate in the forward direction, the first stud 28 is screwed with a first threaded sleeve 29, the first stud 28 moves in the right direction on the first threaded sleeve 29, the first stud 28 pushes the third rotating disc 20 to move in the right direction, the third rotating disc 20 drives a second fixing ring 19, two sets of third supports 18, a second sliding block 17, the outer toothed ring 21, the first motor 22, the second rotating shaft 23 and the first gear 24 to move in the right direction synchronously, the second sliding block 17 slides rightwards on the first guide rail 12, at the same time, the third rotary table 20 extrudes four groups of first springs 26 and pushes the four groups of first springs 26 to move rightwards, the four groups of first springs 26 push the second rotary table 16 to move rightwards, the second rotary table 16 drives four groups of guide rods 25 and four groups of sealing plates 27 to move rightwards, the four groups of guide rods 25 can slide on the third rotary table 20, the four groups of guide rods 25 support the second rotary table 16, the four groups of first springs 26 can buffer the second rotary table 16, when the moving speeds of the second rotary table 16 and the third rotary table 20 are different, the second rotary table 16 and the third rotary table 20 keep an elastic connection state, the four groups of sealing plates 27 can limit the left ends of the four groups of guide rods 25, the rightwards-moved second rotary table 16 drives the clamping device, the nut, the first fixing ring 15, the two groups of second supports 14 and the first sliding block 13 to move right, the first sliding block 13 slides rightwards on the first guide rail 12, meanwhile, because the third rotary table 20 is in a forward rotation state, the second fixed ring 19 and the two groups of third supports 18 can support the third rotary table 20, the third rotary table 20 drives the second rotary table 16 to rotate through the four groups of guide rods 25, the first fixed ring 15 and the two groups of second supports 14 can support the second rotary table 16, the second rotary table 16 drives the clamping device and the nut to rotate in the forward direction, so that the nut moves rightwards and keeps forward rotation, the nut is contacted with the left side of the detection screw rod 4 and is screwed on the detection screw rod 4, the extruding device generates downward pressure on the first rotating shaft 6, the first rotating shaft 6 keeps fixed, the first rotating shaft 6 drives the coupler 5 and the detection screw rod 4 to keep fixed, when the nut can be completely screwed on the detection screw rod 4, the detection screw rod 4 keeps fixed state, the first sliding block 13 moves rightwards and is contacted with the right side contact switch 32, the right contact switch 32 transmits a contact signal to the central control box 3, the central control box 3 detects that the nut is qualified, when the thread form of the internal thread of the nut is at a defective position and the nut cannot be completely screwed on the detection screw rod 4, because the thread form of the internal thread of the nut is close to the thread form of the detection screw rod 4, an extrusion force is generated between the nut and the detection screw rod 4, the nut can counteract the extrusion friction force generated by the extrusion device on the first rotating shaft 6 and drive the detection screw rod 4, the coupler 5, the first rotating shaft 6 and the first rotating disc 9 to rotate, the first rotating disc 9 drives the induction magnet block 10 to rotate and deviate from the inductor 11, the inductor 11 detects that the magnetic field of the induction magnet block 10 deviates, the inductor 11 transmits the detection signal into the central control box 3, the central control box 3 detects that the nut is unqualified, at the moment, the first slide block 13 is not in contact with the right contact switch 32, the central control box 3, locking device's top is to the outer wall downside of first pivot 6 locking fixed processing, well accuse case 3 control first motor 22 antiport, the nut antiport moves to initial position left, first slider 13 and second slider 17 slide to initial position left, open clamping device, take off the nut and fix next set of nut on clamping device, thereby carry out repeated automated inspection to the nut and handle, left side contact switch 32 with to second slider 17 shift to the left position spacing, prevent that second slider 17 from taking place to break away from with first guide rail 12, two sets of fifth supports 31 support two sets of contact switch 32 respectively.

The main functions realized by the invention are as follows: by automatically detecting the nut, the physical strength and time during manual detection can be effectively saved, the automation degree of nut detection is improved, the detection time of the nut is shortened, the working efficiency is improved, meanwhile, the force is kept consistent when the nut drives the first rotating shaft 6 to rotate, the stress consistency of the nut is effectively improved, and the detection accuracy is improved; the working mode of the clamping device is that nuts are placed in a lower clamping groove plate 40, the positions of the nuts correspond to the positions of the detection screws 4, the central control box 3 controls a second motor 37 to rotate in the forward direction, the second motor 37 drives a second stud 38 to rotate in the forward direction, the second stud 38 is connected with a second threaded sleeve 39 in a threaded mode, the second stud 38 moves downwards on the second threaded sleeve 39 and extends into the second threaded sleeve 39, the second stud 38 drives an upper first mounting plate 36, the second motor 37, an upper clamping groove plate 40 and upper two moving blocks 34 to move downwards, the upper two moving blocks 34 respectively slide on two second guide rails 33, the upper clamping groove plate 40 is buckled on the upper side of the bolts and compresses the bolts, the central control box 3 controls four groups of electromagnetic generators 41 to be opened, the four groups of electromagnetic generators 41 all adsorb and fix the outer walls of the nuts, and accordingly the nuts are fixed, when the nut is disassembled, the central control box 3 controls the four groups of electromagnetic generators 41 to be closed, the four groups of electromagnetic generators 41 stop adsorbing the nut, the central control box 3 controls the second motor 37 to rotate reversely, the upper clamping groove plate 40 moves upwards and is separated from the nut, and the nut is taken down, so that the disassembling work of the nut is completed; the working mode of the extruding device is that the plurality of groups of second springs 44 are in a compressed state, the plurality of groups of second springs 44 generate downward pressure on the arc-shaped pressing plate 47 through the second mounting plate 45 and the pressing rod 46, the bottom of the arc-shaped pressing plate 47 generates extrusion force on the upper side of the outer wall of the first rotating shaft 6, so as to extrude and fix the first rotating shaft 6, when the thread tooth form in the detected nut has a defective position, the nut cannot be completely screwed into the detection screw rod 4, extrusion force is generated between the nut and the detection screw rod 4, the rotating nut can counteract the extrusion friction force of the arc-shaped pressing plate 47 on the first rotating shaft 6 and drive the detection screw rod 4, the coupler 5, the first rotating shaft 6, the first rotating disc 9 and the induction magnet block 10 to rotate, when the plurality of groups of nuts are detected, the extrusion force of the arc-shaped pressing plate 47 on the first rotating shaft 6 is kept consistent, the detection accuracy is improved; the working mode of the adjusting device is that the third rotating shaft 52 is rotated through the adjusting disc 54, the third rotating shaft 52 drives the long gear 53 to rotate, the long gear 53 drives the two groups of third studs 49 to rotate through the two groups of second gears 51, the two groups of third studs 49 are both in threaded connection with the top of the arched frame 48, the two groups of third studs 49 synchronously drive the two groups of mounting seats 50 to move up and down, the two groups of mounting seats 50 drive the adjusting plate 42 to move up and down, so that the adjusting plate 42 drives the extrusion cabin 43 to move up and down, the extrusion cabin 43 drives the tops of the multiple groups of second springs 44 to move up and down, so that the elastic strength of the multiple groups of second springs 44 on the second mounting plate 45 is adjusted, the strength of the first rotating shaft 6 extruded at the bottom of the arched pressing plate 47 is conveniently adjusted; by arranging the protective cover 55, the two groups of second gears 51 and the long gear 53 can be conveniently isolated and protected, and external objects are prevented from entering between the two groups of second gears 51 and the long gear 53 and influencing the normal transmission of the two groups of second gears 51 and the long gear 53; by arranging the two groups of telescopic rods 56, the arc-shaped pressing plate 47 can be conveniently supported, and the stability and firmness of the arc-shaped pressing plate 47 are improved; the locking device has the working mode that the central control box 3 controls the two groups of cylinder push rods 57 to operate, the tops of the two groups of cylinder push rods 57 push the locking plates 58 to move upwards, the tops of the locking plates 58 can be in contact with the bottom of the outer wall of the first rotating shaft 6 and extrude, lock and fix the first rotating shaft 6, when the nut is unqualified in detection and moves leftwards to separate from the detection screw 4, the coupler 5 and the first rotating shaft 6 are kept in a fixed state, the detection screw 4 is prevented from being driven to rotate randomly by extrusion force between the unqualified nut and the detection screw 4, and the unqualified nut can be guaranteed to carry out normal unloading; through setting up two sets of rubber elasticity posts 59, can conveniently cushion the nursing to first slider 13, prevent that first slider 13 from taking place direct impact with second slider 17, improve practicality and reliability.

According to the nut thread detection device, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the nut thread detection device can be implemented as long as the beneficial effects of the nut thread detection device can be achieved; the central control box, the induction magnet block, the inductor, the contact switch and the electromagnetic generator can be purchased in the market.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A nut thread detection device is characterized by comprising a workbench (1), two groups of supporting legs (2), a central control box (3), a detection screw (4), a coupler (5) and a first rotating shaft (6), wherein the two groups of supporting legs (2) are respectively arranged at the left lower side and the right lower side of the workbench (1), the central control box (3) is arranged at the right side of the top of the workbench (1), the detection screw (4) is positioned above the workbench (1), the left end of the detection screw (4) is conical, the coupler (5) is arranged at the right side of the detection screw (4), the first rotating shaft (6) is arranged at the right side of the coupler (5), the left side and the right side of the first rotating shaft (6) can be rotatably provided with stabilizing sleeves (7), the bottoms of the two groups of stabilizing sleeves (7) are respectively provided with a first support (8), the bottoms of the two groups of first supports (8) are respectively arranged on the workbench (1), a first rotating disc (9) is arranged on the right side of a first rotating shaft (6), an induction magnetic block (10) is arranged at the bottom of the first rotating disc (9), an inductor (11) is arranged below the induction magnetic block (10), the position of the induction magnetic block (10) corresponds to the position of the inductor (11), the inductor (11) is installed on a workbench (1), the inductor (11) is electrically connected with a central control box (3), a locking device is arranged below the middle of the first rotating shaft (6), the locking device is installed on the workbench (1), the locking device is electrically connected with the central control box (3), an extrusion device is arranged on the outer wall of the upper side of the first rotating shaft (6), an adjusting device is arranged on the upper side of the extrusion device, the rear lower side and the front lower side of the adjusting device are both installed on the workbench (1), a first guide rail (12) is arranged on the left side of the top of the workbench (1), and a first sliding block (13) is arranged on the first guide rail (12), the front side and the rear side of the top of the first sliding block (13) are respectively provided with a second support (14), the tops of the two groups of second supports (14) are respectively provided with a first fixing ring (15), the inner wall of the first fixing ring (15) is rotatably sleeved with a second rotating disc (16), the right side of the second rotating disc (16) is provided with a clamping device, the position of the clamping device corresponds to the position of the detection screw (4), the left side of the first sliding block (13) is provided with a second sliding block (17), the second sliding block (17) is slidably arranged on the first guide rail (12), the front side and the rear side of the top of the second sliding block (17) are respectively provided with a third support (18), a third rotating disc (20) is arranged above the second sliding block (17), the left side of the outer wall of the third rotating disc (20) is rotatably provided with a second fixing ring (19), the front side and the rear side of the second fixing ring (19) are respectively arranged at the tops of, an outer gear ring (21) is arranged on the right side of the outer wall of a third turntable (20), a first motor (22) is arranged on the right side of the top of a second sliding block (17), a second rotating shaft (23) and a first gear (24) are sequentially arranged on the left side of the first motor (22), the top of the first gear (24) is meshed with the bottom of the outer gear ring (21), four groups of guide rods (25) are uniformly arranged on the left side of the second turntable (16), the left sides of the four groups of guide rods (25) penetrate through the third turntable (20) and extend to the left side of the third turntable (20), the four groups of guide rods (25) are slidably connected with the third turntable (20), first springs (26) are sleeved on the outer wall of the right sides of the four groups of guide rods (25), the right sides of the four groups of first springs (26) are all installed on the second turntable (16), and the left sides of the four groups of first springs (26) are all installed on the third turntable (20), the left ends of the four groups of guide rods (25) are respectively provided with a sealing plate (27), the middle of the left side of the third rotary table (20) is provided with a first stud (28), the outer wall of the left side of the first stud (28) is sleeved with a first screw sleeve (29), the first screw sleeve (29) is connected with the first stud (28) in a screw mode, the left end and the left side of the bottom of the first screw sleeve (29) are respectively provided with a fourth support (30), the bottoms of the two groups of fourth supports (30) are respectively installed on the workbench (1), the left side and the right side of the first guide rail (12) are respectively provided with a fifth support (31), the inner sides of the upper portions of the two groups of fifth supports (31) are respectively provided with a contact switch (32), the positions of the two groups of contact switches (32) respectively correspond to the positions of the first sliding block (13) and the second sliding block (17), and the central control box (3) is respectively electrically connected with the first motor (22) and the.

2. The nut thread detection device according to claim 1, wherein the clamping device comprises two sets of second guide rails (33), two sets of first mounting plates (36), a second motor (37), a second stud (38), a second threaded sleeve (39) and two sets of clamping groove plates (40), the two sets of second guide rails (33) are vertically mounted on the right front side and the right rear side of the second turntable (16) respectively, moving blocks (34) are arranged on the upper sides and the lower sides of the two sets of second guide rails (33), the two sets of moving blocks (34) on the upper sides are slidably mounted on the two sets of second guide rails (33) respectively, the two sets of moving blocks (34) on the lower sides are fixedly mounted on the lower sides of the two sets of second guide rails (33) respectively, limiting plates (35) are arranged at the top ends of the two sets of second guide rails (33), and the two sets of first mounting plates (36) are located on the upper right side and the lower right side of, the left front side and the left rear side of the two groups of first mounting plates (36) are respectively mounted on the four groups of moving blocks (34), the second motor (37) is mounted on the upper side first mounting plate (36), the second motor (37) is electrically connected with the central control box (3), the top of the second stud (38) is mounted on the lower side output end of the second motor (37), the bottom of the second stud (38) penetrates through the upper side first mounting plate (36) and extends into the space between the two groups of first mounting plates (36), the bottom of the second threaded sleeve (39) is mounted on the lower side first mounting plate (36), the bottom of the second stud (38) is screwed into the second threaded sleeve (39) through the top of the second threaded sleeve (39), the two groups of clamping groove plates (40) are respectively mounted on the right sides of the two groups of first mounting plates (36), the directions of the two groups of clamping groove plates (40) are opposite, and mounting grooves are respectively arranged on the inner walls of the clamping groove plates (40), two groups of electromagnetic generators (41) are arranged in the two groups of mounting grooves, and the four groups of electromagnetic generators (41) are electrically connected with the central control box (3).

3. A nut thread testing device according to claim 2, characterized in that the pressing means comprise an adjusting plate (42), a pressing chamber (43), second mounting panel (45), depression bar (46) and arc clamp plate (47), install on adjusting device at the top of adjusting plate (42), the bottom in adjusting plate (42) is installed in extrusion storehouse (43), the inner wall top in extrusion storehouse (43) evenly is provided with multiunit second spring (44), second mounting panel (45) are located inside extrusion storehouse (43), the bottom of multiunit second spring (44) is all installed at second mounting panel (45) top, the bottom in second mounting panel (45) is installed at the top of depression bar (46), the bottom of depression bar (46) is passed extrusion storehouse (43) and is stretched out to the below in extrusion storehouse (43), the bottom in depression bar (46) is installed at the top of arc clamp plate (47), the bottom of arc clamp plate (47) and the outer wall upside contact of first pivot (6).

4. The nut thread detection device as claimed in claim 3, characterized in that the adjusting means comprises an arched frame (48), two sets of third studs (49), two sets of mounting seats (50), two sets of second gears (51), a third rotating shaft (52), a long gear (53) and an adjusting disk (54), the front side and the rear side of the bottom of the arched frame (48) are both mounted on the workbench (1), the two sets of third studs (49) are both screwed on the top of the arched frame (48), the bottoms of the two sets of mounting seats (50) are respectively mounted on the left side and the right side of the top of the adjusting plate (42), the tops of the two sets of mounting seats (50) are respectively rotatably connected with the bottoms of the two sets of third studs (49), the two sets of second gears (51) are respectively mounted on the tops of the two sets of third studs (49), the bottom of the third rotating shaft (52) is rotatably mounted on the top of the arched frame (48), the long gear (53) is installed on the third rotating shaft (52), the left side and the right side of the outer wall of the long gear (53) are respectively contacted with the outer walls of the two groups of second gears (51) and are in threaded connection, and the adjusting disc (54) is installed at the top of the third rotating shaft (52).

5. A nut thread testing device according to claim 4, further comprising a shield (55), wherein the shield (55) is located outside the two sets of the second gear (51) and the long gear (53), the bottom of the shield (55) is mounted outside the top of the arcuate frame (48), and the third rotating shaft (52) passes through the shield (55) and is rotatably connected with the shield (55).

6. The nut thread detection device as claimed in claim 5, further comprising two sets of telescopic rods (56), wherein the tops of the two sets of telescopic rods (56) are respectively installed at the left side and the right side of the bottom of the adjusting plate (42), and the bottoms of the two sets of telescopic rods (56) are respectively installed at the left side and the right side of the top of the arc-shaped pressing plate (47).

7. The nut thread detection device as claimed in claim 6, characterized in that the locking device comprises two sets of cylinder push rods (57) and a locking plate (58), the two sets of cylinder push rods (57) are both installed on the workbench (1), the left side and the right side of the bottom of the locking plate (58) are respectively installed at the tops of the two sets of cylinder push rods (57), and the two sets of cylinder push rods (57) are both in signal connection with the central control box (3).

8. The nut thread detection apparatus according to claim 7, further comprising two sets of rubber elastic columns (59), wherein the two sets of rubber elastic columns (59) are installed on the right side of the second slider (17), and the positions of the two sets of rubber elastic columns (59) correspond to the position of the first slider (13).