CN115463849B - Automatic detecting machine for inner threads of outer ring of fixed end joint of transmission shaft - Google Patents
Automatic detecting machine for inner threads of outer ring of fixed end joint of transmission shaft Download PDFInfo
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- CN115463849B CN115463849B CN202211161596.4A CN202211161596A CN115463849B CN 115463849 B CN115463849 B CN 115463849B CN 202211161596 A CN202211161596 A CN 202211161596A CN 115463849 B CN115463849 B CN 115463849B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000000007 visual effect Effects 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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Abstract
The automatic detector for the internal threads of the outer ring of the fixed end joint of the transmission shaft is provided with a rack and a working table plate fixedly connected with the rack, wherein a transplanting mechanism, a thread detection mechanism, a feeding roller way and a discharging roller way are arranged on the working table plate; the control system of the invention is provided with the electrical cabinet 48, the electrical cabinet is internally provided with the controller, the signal input end of the controller is electrically connected with each detection part through a signal wire, and the signal output end of the controller is electrically connected with each execution part through a signal wire.
Description
Technical Field
The invention relates to automatic detection equipment, in particular to an automatic detection machine for internal threads of an outer ring of a fixed end joint of a transmission shaft.
Background
The transmission shaft of the constant velocity universal joint of the sedan consists of a fixed end joint, a middle shaft and a movable end joint, wherein the fixed end joint is an important safety part of the transmission shaft and is directly connected with a hub of a wheel of the sedan. The power of the engine is transmitted to the wheels through the differential mechanism, the movable end section, the intermediate shaft, the fixed end section and the hub, so that the wheels are driven to rotate. The fixed end joint consists of an outer ring, an inner ring, a retainer, steel balls, and accessories such as a rubber cover, lubricating grease and a clamp. The external ring internal thread of the fixed end section is abnormally important, the connection of the assembly of the transmission shaft and the hub is critically influenced, if the threads are unqualified, the function of the assembly is influenced, the connection looseness and failure of the fixed end section can occur, so that the problems of abnormal sound, serious abrasion, reduced transmission efficiency, shortened service life and the like are caused, more serious, the transmission shaft falls off, accidents occur, and users are dissatisfied, and the recalled risks exist. In the past, the detection of the external ring internal thread of the fixed end joint is 100% detection of an operator during processing, when finished product inspection is carried out, an inspector carries out second 100% detection, after assembly is carried out, an assembly inspector carries out third 100% detection so as to prevent unqualified products from being assembled into an assembly to be sent to a host factory, the detection cost is high and the efficiency is low, and due to human detection factors, the unqualified phenomenon is frequently caused when the internal thread of the external ring of the fixed end joint is subjected to the spot inspection again after the whole shaft is assembled, the batch of transmission shafts are required to be subjected to 100% thread inspection again, and the unqualified transmission shafts are disassembled, so that the unqualified fixed joints are replaced to meet the requirements. After disassembly, parts such as the outer ring of the fixed end joint, the clamp, the steel ball, the lubricating grease, the rubber cover and the like are all scrapped, so that serious waste of materials and materials is caused, the production cost is increased, and the total assembly efficiency is low. Even if 100% manual detection is performed for three times, due to human factors, the risk that unqualified products are assembled into an assembly to be shipped to a user side still exists, abnormal sound or failure phenomenon can occur when a transmission shaft is used for a period of time, even the phenomenon that the assembly is impossible and the line is stopped when the assembly is carried out on site in a host factory can occur, so that the phenomenon of returning goods or claim of the host factory is caused, and huge losses are caused for units. Therefore, a machine which can automatically detect the internal thread of the outer ring of the fixed end joint in 100% on line, has reliable detection results and high efficiency is needed, so that a three-time manual detection mode is replaced, the production efficiency is improved, and the internal thread of the outer ring of the fixed end joint is 100% ensured to be qualified.
Disclosure of Invention
The invention aims to provide an automatic detection machine for the internal threads of the outer ring of a fixed end joint of a transmission shaft, which can automatically detect the internal threads of the outer ring of the fixed end joint on line, and has the advantages of accurate detection and high detection efficiency.
The technical scheme of the invention is as follows: the automatic detector for the internal threads of the outer ring of the fixed end joint of the transmission shaft is provided with a rack and a working table plate fixedly connected with the rack, wherein a transplanting mechanism, a thread detection mechanism, a feeding roller way and a discharging roller way are arranged on the working table plate;
The transplanting mechanism comprises a mechanical tray, a clamping cylinder and a transplanting cylinder, wherein the mechanical tray is fixedly connected with a supporting block below the mechanical tray, the supporting block is fixedly connected with a working table plate, two longitudinal guide rails are fixedly arranged on the working table plate, two horizontal sliding plates in sliding connection are arranged on the two longitudinal guide rails, two transverse guide rails are fixedly arranged on the horizontal sliding plates, transplanting clamping plates in sliding connection are arranged on the transverse guide rails, a plurality of paired or single clamping convex blocks are arranged on the transplanting clamping plates, the fixed end of the clamping cylinder is fixedly arranged on the horizontal sliding plates, and the movable end of the clamping cylinder is fixedly connected with the two transplanting clamping plates; the fixed end of the transplanting cylinder is fixedly connected below the working table plate, and the movable end of the transplanting cylinder is fixedly connected with the horizontal sliding plate through the abdicating groove; the horizontal limiter is arranged on the supporting block, and the correlation sensor B, the correlation sensor C and the correlation sensor D are arranged on the worktable;
The working surface of the feeding roller way is level with the upper plane of the mechanical tray, an opposite sensor A is arranged at the inlet of the left end of the feeding roller way, a speed regulating motor A is fixedly arranged at the right end of the feeding roller way, a stop cylinder is arranged at the outlet of the right end of the feeding roller way, the fixed end of the stop cylinder is fixedly connected with the working table plate, a V-shaped stop block is fixedly arranged at the movable end of the stop cylinder, and a position sensor is arranged at the bottom of the V-shaped stop block;
The working surface of the discharge roller way is level with the upper plane of the mechanical tray, the right end of the discharge roller way is fixedly provided with a speed regulating motor B, and the right end of the discharge roller way is provided with a material level identification sensor; the left end of the discharge roller way is provided with a pushing cylinder, the stationary end of the pushing cylinder is fixedly connected with the discharge roller way base body, the movable end of the pushing cylinder is opposite to a NG material channel arranged in front of the pushing cylinder, and the NG material channel is fixedly connected with the working table plate and the frame; an correlation sensor E is arranged at the inlet of the NG material channel;
The thread detection mechanism comprises two vertical guide rails, a vertical sliding plate, a servo motor, a coupler, a torque sensor, a bearing seat, a clutch, an elastic telescopic mechanism, a telescopic rod, a position dial, a cross universal joint, a thread detection head, a guide seat, a vertical limiter, an induction position switch, a laser sensor, a control cylinder, a connecting plate, a tightening mechanism, a compression cylinder and a pressing plate; the two vertical guide rails are fixedly connected with the frame, the coupler body, the clutch body, the torque sensor body, the bearing seat body and the guide seat body are respectively fixedly arranged on the vertical sliding plate, and the fixed end of the control cylinder is fixedly arranged behind the frame; the vertical sliding plate is in sliding connection with the vertical guide rail, the servo motor is arranged at the upper end of the vertical sliding plate, the rotating end of the servo motor is fixedly connected with the upper end of the torque sensor through a coupler, the lower end of the torque sensor is fixedly connected with the upper end of the bearing seat through another coupler, the lower end of the bearing seat is fixedly connected with the upper end of the clutch, the lower end of the clutch is fixedly provided with an elastic telescopic mechanism, the lower end of the elastic telescopic mechanism is provided with a telescopic rod, the telescopic rod is fixedly provided with a position dial, the lower end of the telescopic rod is fixedly connected with the upper end of the cross universal joint, the lower end of the cross universal joint is fixedly connected with the rod part of the thread detection head, the rod part of the thread detection head is in sliding connection with the guide seat, and the lower part of the vertical sliding plate is fixedly provided with a vertical limiter on the frame; the induction position switch is fixedly arranged on the vertical sliding plate, and the laser sensor is fixedly arranged on the vertical sliding plate; the movable end of the control cylinder is fixedly connected with the vertical sliding plate through a connecting plate; the tightening mechanism is fixedly arranged on the vertical sliding plate; the pressing cylinder is arranged on the working table plate, the fixed end of the pressing cylinder is fixedly connected with the working table plate, and the movable end of the pressing cylinder is fixedly connected with the pressing plate.
The electric cabinet is internally provided with a controller, the signal input end of the controller is electrically connected with the signal output ends of the correlation sensor A, the correlation sensor B, the correlation sensor C, the correlation sensor D, the correlation sensor E, the induction position switch, the material level identification sensor, the torque sensor, the laser sensor, the vertical limiter, the horizontal limiter, the NG part identification sensor, the position sensor and the touch screen respectively through signal wires, and the signal output ends of the controller are electrically connected with the signal input ends of the clamping cylinder, the stop cylinder, the transplanting cylinder, the pressing cylinder, the control cylinder, the pushing cylinder, the servo motor, the speed regulating motor A, the speed regulating motor B, the audible and visual alarm and the touch screen respectively through signal wires.
The lower part of the working table plate is supported by the frame and the ground feet, the working table plate is fixedly provided with a frame, and the touch screen and the audible and visual alarm are fixedly arranged on the frame or the electrical cabinet.
And the movable end of the pushing cylinder is provided with a V-shaped pushing block.
The clamping convex block is provided with a rotating wheel which is contacted with the outer ring of the fixed end section.
The detection principle of the invention is as follows: under the condition that the outer ring of the fixed end joint is clamped and fixed, the thread detection head is screwed into the inner thread of the outer ring of the fixed end joint to detect the full length range, the stroke of the thread detection head reaches a set value, the torque detected by the torque sensor in the rotating process meets the requirement, the thread is qualified, and otherwise, the alarm prompt is given.
The invention has the advantages that: the automatic detection can be carried out on the inner thread of the outer ring of the fixed end joint by 100% on line, and an automatic detection machine is integrated into a production line, so that not only is the three-time manual detection mode replaced, the labor intensity of operators is reduced, but also the production efficiency is greatly improved, the inner thread of the outer ring of the fixed end joint is 100% ensured to be qualified, and the cost can be saved by at least 30 ten thousand yuan per year. In the past, the detection of the external ring internal thread of the fixed end joint is 100% detection of an operator during processing, when finished product inspection is carried out, an inspector carries out second 100% detection, after assembly is carried out, an assembly inspector carries out third 100% detection so as to prevent unqualified products from being assembled into an assembly to be sent to a host factory, the detection cost is high and the efficiency is low, and due to human detection factors, the unqualified phenomenon is frequently caused when the internal thread of the external ring of the fixed end joint is subjected to the spot inspection again after the whole shaft is assembled, the batch of transmission shafts are required to be subjected to 100% thread inspection again, and the unqualified transmission shafts are disassembled, so that the unqualified fixed joints are replaced to meet the requirements. After disassembly, parts such as an outer ring, a clamp, steel balls, lubricating grease, a rubber cover and the like of the fixed end joint are all scrapped, so that serious waste of materials and materials is caused, the production cost is increased, and the total assembly efficiency is low. Even if 100% manual detection is performed for three times, due to human factors, the risk that unqualified products are assembled into an assembly to be shipped to a user side still exists, abnormal sound or failure phenomenon can occur when a transmission shaft is used for a period of time, even the phenomenon that the assembly is impossible and the line is stopped when the assembly is carried out on site in a host factory can occur, so that the phenomenon of returning goods or claim of the host factory is caused, and huge losses are caused for units. The invention thoroughly solves the problems, not only automatically detects 100% of the internal thread of the outer ring of the fixed end joint on line, has reliable detection result and high efficiency, but also replaces a three-time manual detection mode, reduces the labor intensity of operators, ensures 100% of the internal thread of the outer ring of the fixed end joint to be qualified, and improves the product quality. The detection efficiency is improved by at least 6 times (30 seconds are needed by an operator to manually detect one piece, 90 seconds are needed by three times of detection, and only 12 seconds are needed by online detection), so that the customer satisfaction is improved, and the core competitiveness of enterprises is improved. Because three shifts save 3 inspection personnel, can save the human cost 30 ten thousand yuan each year.
Drawings
Fig. 1 is a schematic diagram of a front view structure of an automatic detecting machine for internal threads of an outer ring of a fixed end joint of a transmission shaft.
Fig. 2 is a left-hand structural schematic diagram of fig. 1.
Fig. 3 is a right-side view of the structure of fig. 1.
Fig. 4 is a schematic rear view of the structure of fig. 1.
Fig. 5 is a schematic top view of fig. 1.
Fig. 6 is an enlarged view of the work piece of fig. 1 attached to a work table.
Fig. 7 is an enlarged view of the work piece of fig. 2 attached to a work table.
Fig. 8 is a first perspective view of the automatic inspection machine of the present invention.
Fig. 9 is a second perspective view of the automatic inspection machine of the present invention.
Fig. 10 is an enlarged view of the thread detecting mechanism in fig. 9.
FIG. 11 is an outline view of the outer ring of the fixed end joint of the workpiece to be inspected.
Fig. 12 is a section A-A of fig. 11.
Fig. 13 is a schematic view of a screw inspection head.
Fig. 14 is an enlarged view of a portion a in fig. 5.
Fig. 15 is a connection relation block diagram of the control system of the present invention.
In the figure: 1 foot, 2 air source processor, 3 frame, 4 horizontal slide, 5 feed roller way, 6 correlation sensor A, 7 fixed end joint outer ring, 8 vertical limiter, 9 stop cylinder, 10 telescopic rod, 11 laser sensor, 12 coupler, 13 torque sensor, 14 connecting plate, 15 frame, 16 built-in light source, 17 servo motor, 18 thread detection mechanism, 19 audible and visual alarm, 20 vertical slide, 21 bearing seat, 22 clutch, 23 elastic telescopic mechanism, 24 induction position switch, 25 position dial, 26 cross universal joint, 27 pressing plate, 28 discharge roller way, 29 supporting block, 30 mechanical tray, 31 working platen, 32 horizontal limiter, 33 transplanting mechanism, 34 clamping cylinder, 35 emergency stop button, 36 start switch, (in FIG. 2) 37 pressing cylinder, 38NG material way 39 control cylinder, 40 tightening mechanism, 41 vertical guide rail, 42 pushing cylinder, (fig. 5) 43 transplanting clamping plate, 44 clamping bump, 45 rotating wheel, 46 stop position, 47 pre-detection position, 48 electric cabinet, 49 position, 50 pre-discharge position, 51 discharge position, 52 correlation sensor E, 53V-shaped pushing block, 54 correlation sensor D, 55 pushing bump, 56 correlation sensor C, 57 correlation sensor B, 58 clamping piece, (fig. 6) 59 connecting block, 60 transplanting cylinder, (fig. 8) 61 bracket, 62V-shaped stop, 63 position sensor, 64 guide seat, 65NG piece identification sensor, (fig. 9) 66 material level identification sensor, 67 longitudinal guide rail, 68 yield groove, 69 transverse guide rail, (fig. 13) 70 lever part, (fig. 11) 71 handle part, (fig. 12) 72 internal thread, fig. 6 identification sensor, 73 reference plane, 74 big end, 75 screw thread detection head (in fig. 13), 76 touch screen (in fig. 4), 77 speed regulating motor a, 78 speed regulating motor B.
Detailed Description
The invention relates to an automatic detector for internal threads of an outer ring of a fixed end joint of a transmission shaft, which is provided with a ground pin 1, wherein a frame 3 is fixedly arranged on the ground pin, a working table plate 31 is fixedly arranged on the frame, a frame 15 is fixedly arranged on the working table plate, and a touch screen 76 and an audible-visual alarm 19 are arranged on the frame. The transplanting mechanism 33 and the thread detecting mechanism 18 are arranged on the working table plate, the feeding roller way 5 is arranged on the left side of the working table plate, and the discharging roller way 28 is arranged on the right side of the working table plate.
The transplanting mechanism 33 comprises a mechanical tray 30, wherein the mechanical tray is fixedly arranged on a working table plate through a supporting block 29, a horizontal limiter 32 is fixedly arranged on the supporting block, two longitudinal guide rails 67 are fixedly arranged on the working table plate (positioned below the mechanical tray), a horizontal sliding plate 4 is in sliding connection with the longitudinal guide rails, two transverse guide rails 69 are fixedly arranged on the horizontal sliding plate, a transplanting clamping plate 43 is in sliding connection with the transverse guide rails, three clamping piece sockets 58 are arranged on the transplanting clamping plate, one pushing piece lug 55 is arranged on the transplanting clamping plate, a plurality of paired or single clamping lugs 44 are arranged on the clamping lugs, and a rotating wheel 45 is arranged on the clamping lugs. The clamping cylinder 34 is open, the fixed end of the clamping cylinder is fixedly arranged on the horizontal sliding plate, and the movable end is fixedly connected with the two transplanting clamping plates. The stationary end of the transplanting cylinder 60 is fixedly connected under the working table plate, and the movable end of the transplanting cylinder is fixedly connected with the horizontal sliding plate through the abdication groove 68. An correlation sensor B57, a correlation sensor C56, and a correlation sensor D54 are fixedly mounted on the table plate.
The feeding roller way 5 is fixedly arranged on the working table plate and the frame 3, the frame is fixedly connected with the working table plate, and the working surface of the feeding roller way and the upper plane of the mechanical tray are on the same plane. An opposite sensor A6 is arranged at the inlet of the left end of the feeding roller way, and a speed regulating motor A77 is fixedly arranged at the right end of the feeding roller way. The right end outlet of the feeding roller way is provided with a stop cylinder 9, the stationary end of the stop cylinder is fixedly connected with the working table plate 31, the movable end of the stop cylinder is fixedly provided with a V-shaped stop block 62, and the bottom of the V-shaped stop block is provided with a position sensor 63.
The discharging roller way 28 is fixedly arranged on the working table plate and the frame, the working surface of the discharging roller way is on the same plane with the upper plane of the mechanical tray, and the right end of the discharging roller way is fixedly provided with the speed regulating motor B78. The right end of the discharge roller way is provided with a material level identification sensor 66. The left end of the discharging roller way is provided with a pushing air cylinder 42, the stationary end of the pushing air cylinder is fixedly connected with the discharging roller way body, and the movable end of the pushing air cylinder is fixedly provided with a V-shaped pushing block 53. The NG material channel 38 is arranged in front of the pushing cylinder and is fixedly connected with the workbench plate and the frame. An correlation sensor E52 is arranged at the inlet of the NG material channel.
The screw thread detection mechanism 18 comprises two vertical guide rails 41 fixedly arranged on a frame, a vertical slide plate 20 is connected with a vertical guide rail slideway, a servo motor 17 is fixedly arranged at the upper end of the vertical slide plate, the rotating end of the servo motor is fixedly connected with the upper end of a torque sensor 13 through a coupler 12, the lower end of the torque sensor is fixedly connected with the upper end of a bearing seat 21 through another coupler, the lower end of the bearing seat is fixedly connected with the upper end of a clutch 22, an elastic telescopic mechanism 23 is fixedly arranged at the lower end of the clutch, a telescopic rod 10 is arranged at the lower end of the elastic telescopic mechanism, a position dial 25 is fixedly arranged on the telescopic rod, the lower end of the telescopic rod is fixedly connected with the upper end of a cross universal joint 26, the lower end of the cross universal joint is fixedly connected with a rod part 70 of a screw thread detection head 75, the rod part 70 of the screw thread detection head is fixedly arranged on the frame through a guide seat 64 and is in sliding connection with the guide seat. The sensor position switch 24 is mounted on the vertical slide on which the laser sensor 11 is mounted. The stationary end of the control cylinder 39 is fixedly mounted behind the frame and the movable end of the control cylinder is fixedly connected to the vertical slide by means of the connecting plate 14. The tightening mechanism 40 is mounted behind the vertical slide. A pressing cylinder 37 is mounted at the rear of the working table, the stationary end of the pressing cylinder is fixedly connected with the working table, and the movable part of the pressing cylinder is connected with the pressing plate 27. The front side frame is fixedly provided with a start switch 36 and an emergency stop button 35. The electric cabinet 48 is installed at the right rear side of the machine.
The control system comprises an electric appliance cabinet 48, wherein a controller is arranged in the electric appliance cabinet, and the signal input end of the controller is electrically connected with the signal output ends of an opposite-radiation sensor A6, an opposite-radiation sensor B57, an opposite-radiation sensor C56, an opposite-radiation sensor D54, an opposite-radiation sensor E52, an inductive position switch 24, a material level identification sensor 66, a torque sensor 13, a laser sensor 11, a vertical limiter 8, a horizontal limiter 32, an NG part identification sensor 65, a position sensor 63 and a touch screen 76 through signal wires; the signal output end of the controller is respectively and electrically connected with the signal input ends of the clamping cylinder 34, the stop cylinder 9, the transplanting cylinder 60, the pressing cylinder 37, the control cylinder 39, the pushing cylinder 42, the servo motor 17, the speed regulating motor A77, the speed regulating motor B78, the audible and visual alarm 19 and the touch screen 76 through signal wires.
The coupling body, the clutch body, the torque sensor body, the bearing seat body and the guide seat body are respectively fixedly arranged on the vertical sliding plate 20.
As shown in fig. 11-12, the fixed end joint outer ring (workpiece) 7 is provided with a reference surface 73, a large end 74, a handle 71 and an internal thread 72 in the handle.
The servo motor 17 is a product in the prior art, and can accurately control the rotation angle.
The telescopic cylinder is a mechanical product in the prior art, the telescopic cylinder is generally provided with a cylinder body serving as a fixed end, the cylinder body is fixedly arranged on a corresponding part, the telescopic cylinder is also provided with a telescopic end serving as a movable end, the telescopic end reciprocates along the axial direction of the telescopic end in a designed stroke, and the telescopic cylinder is mainly divided into a pneumatic telescopic cylinder, an electric telescopic cylinder, an electromagnetic telescopic cylinder, a hydraulic telescopic cylinder and the like; the pneumatic telescopic cylinders are products in the prior art for converting pressure gas into mechanical action, and the pressure gas output by the on-site total gas source is filtered and stabilized by the triple piece of the gas source processor 2 and then is transmitted to the pneumatic telescopic cylinders through the gas pipes for use.
As shown in fig. 1, the frame 3 is used for supporting the components in the devices at a designated position above the ground, and the frame 3 is provided with a closed cover. The thread detection mechanism 18, the transplanting clamping plate 43 and the working table plate 31 are positioned in the closed cover and are used for protecting all the components; the closed cover is formed by surrounding frames and semitransparent or opaque plates fixedly arranged between adjacent frames; the on-site operator can observe the running state of the equipment in real time through the touch screen.
The controller, each actuator and each electronic device to be shielded and protected are mounted in the electrical cabinet 48, the human-computer interface of the controller is preferably a touch screen, the touch screen is arranged on the surface of the electrical cabinet or mounted on the frame 3, so that on-site workers can conveniently operate, and the workers can control the operation of the whole machine or adjust various parameters on the touch screen. An audible and visual alarm 19 is arranged on the frame or the electrical cabinet and is used for displaying the working state of the automatic detecting machine for the internal thread of the outer ring of the fixed end section of the transmission shaft or performing audible and visual alarm on the fault.
The working process of the automatic detecting machine for the internal thread of the outer ring of the fixed end joint of the transmission shaft is as follows: the fixed end outer ring 7 (workpiece) is placed at the inlet of the left end of the feeding roller way 5, the large end faces downwards, the correlation sensor A6 detects the workpiece, the speed regulating motor A77 drives the feeding roller way to move, the fixed end outer ring is conveyed to the right to the stop position 46, when the fixed end outer ring contacts the V-shaped stop block 62 at the telescopic end of the stop cylinder 9, the fixed end outer ring is stopped, when the position sensor 63 at the bottom of the V-shaped stop block detects the workpiece, the feeding roller way stops moving, and the telescopic end of the stop cylinder 9 drives the V-shaped stop block to lift to the original position. the clamping cylinder 34 drives the two transplanting clamping plates 43 to move in opposite directions along the transverse guide rail 69, the outer ring 7 of the fixed end section is clamped (the clamping sockets of the transplanting clamping plates clamp the outer ring of the fixed end section, the rotating wheels 45 on the two clamping lugs 44 on each clamping socket are in contact with the outer ring of the fixed end section, so that the outer ring of the fixed end section is easy to clamp, the surface of the outer ring of the fixed end section is not damaged by clamping), the telescopic end of the transplanting cylinder 60 drives the connecting block 59, the horizontal sliding plate 4 and the transplanting clamping plates to move rightward along the longitudinal guide rail 67 through the yielding grooves 68 until the horizontal limiter 32 is contacted, the workpiece is conveyed to the pre-detection position 47, the clamping cylinder drives the two transplanting clamping plates to move in opposite directions along the transverse guide rail, The outer ring of the fixed end joint is loosened, and the telescopic end of the transplanting cylinder 60 drives the connecting block 59, the horizontal sliding plate and the transplanting clamping plate to move leftwards along the longitudinal guide rail through the abdication groove until contacting the left horizontal limiter 32 to stop moving. The correlation sensor B57 detects that a workpiece is arranged at the pre-detection position, the telescopic end of the blocking and stopping cylinder 9 drives the V-shaped stop block to descend, the feeding roller way 5 starts to transfer the workpiece again, and when the position sensor 63 at the bottom of the V-shaped stop block detects that the workpiece is arranged, the feeding roller way stops moving, and the telescopic end of the blocking and stopping cylinder drives the V-shaped stop block to lift to the original position. The clamping cylinder drives the transplanting clamping plate to clamp the workpiece, the transplanting cylinder drives the transplanting clamping plate to move rightwards to contact with the horizontal limiter to stop moving, the workpiece is conveyed to the detection position 49, when the correlation sensor C56 detects that the workpiece is at the detection position, the telescopic end of the compacting cylinder 37 drives the pressing plate 27 to press against the reference surface 73 of the outer ring 7 of the fixed end section, the transplanting clamping plate is opened and moves leftwards until the transplanting clamping plate contacts with the horizontal limiter to stop moving, meanwhile, in the thread detection mechanism 18, the control cylinder 39 drives the vertical sliding plate 20 to move downwards along the vertical guide rail 41 through the connecting plate 14 until the transplanting clamping plate contacts with the vertical limiter 8, and at the moment, the thread detection head 75 is elastically contacted with the inner thread 72 of the outer ring of the fixed end section under the action of the elastic telescopic mechanism 23. The movable end of the servo motor 17 on the vertical slide plate drives the thread detection head to be screwed into the internal thread of the outer ring of the fixed end joint through the coupler 12, the torque sensor 13, the bearing seat 21, the clutch 22, the elastic telescopic mechanism 23, the telescopic rod 10, the cross universal joint 26 and the guide seat 64, when the sensing position switch 24 senses that the downward movement position of the detection mechanism meets the requirement, the laser sensor 11 simultaneously detects the position dial 25 on the telescopic rod to determine that the extension length of the telescopic rod meets the set requirement, when the extension length of the telescopic rod meets the set requirement, the thread detection head is indicated to pass through the full length of the internal thread of the outer ring of the fixed end joint, if the detected torque meets the set requirement, And indicating that the internal thread of the outer ring of the fixed end joint is qualified, otherwise, giving an alarm to prompt that the controller remembers the unqualified part. the movable end of the servo motor drives the thread detection head to reversely rotate to withdraw from the inner thread of the outer ring of the fixed end joint, and the control cylinder drives the vertical slide plate to withdraw to the original position. The function of the coupling 12 is to eliminate the effects of the different axes; the clutch 22 is used for disengaging when the torque is excessive to protect the thread detection head; the elastic telescopic mechanism has the function of ensuring that the thread detection head is free from axial limitation in the process of screwing in and screwing out the whole thread; the cross universal joint has the function of ensuring that the screw thread detection head moves in the vertical direction and is not interfered by transverse force; the bearing seat 21 is fixedly connected with the vertical sliding plate and plays a role of rotary support; the function of the guide holder 64 is to facilitate easy introduction of the thread detection head into the internal thread. The transplanting clamping plate repeats the above actions, the workpiece is clamped again and conveyed to the right, the detected workpiece is conveyed to the pre-discharging position 50, the transplanting clamping plate repeats the above actions, the workpiece at the pre-discharging position is conveyed to the discharging position 51 by the pushing piece lug 55 of the transplanting clamping plate, when the correlation sensor D54 detects that the workpiece is arranged, the speed regulating motor B78 drives the discharging roller way 28 to move, the workpiece is conveyed out, and when the qualified workpiece reaches the tail end of the discharging roller way, the material level identification sensor 66 detects that the workpiece is arranged, and the next manipulator is informed to grasp the workpiece. When unqualified workpieces are sensed by the NG part recognition sensor 65 through the discharge roller way, the telescopic end of the pushing cylinder 42 drives the V-shaped pushing block 53 to push the unqualified workpieces into the NG part way, and when the correlation sensor E52 detects that the workpieces exist, an alarm prompts an operator that the NG part way 38 is full, and the NG part way needs to be emptied. the adjusting mechanism is used for adjusting the gap between the vertical sliding plate and the vertical guide rail when needed.
Claims (5)
1. The automatic detecting machine for the internal threads of the outer ring of the fixed end joint of the transmission shaft is provided with a rack (3) and a working table plate (31) fixedly connected with the rack, and is characterized in that: the transplanting mechanism (33), the thread detection mechanism (18), the feeding roller way (5) and the discharging roller way (28) are arranged on the working table plate, the thread detection mechanism is arranged above the transplanting mechanism, the feeding roller way is arranged on the left side of the working table plate, the discharging roller way is arranged on the right side of the working table plate, the starting switch (36) and the emergency stop button (35) are arranged on the rack, the electric cabinet (48) is arranged on the rear side of the rack, and the touch screen (76) is arranged on the rack or on the surface of the electric cabinet;
The transplanting mechanism (33) comprises a mechanical tray (30), a clamping cylinder (34) and a transplanting cylinder (60), wherein the mechanical tray is fixedly connected with a supporting block (29) below the mechanical tray, the supporting block is fixedly connected with a working table plate, two longitudinal guide rails (67) are fixedly arranged on the working table plate, a horizontal sliding plate (4) in sliding connection is arranged on the two longitudinal guide rails, two transverse guide rails (69) are fixedly arranged on the horizontal sliding plate, a transplanting clamping plate (43) in sliding connection is arranged on the transverse guide rails, a plurality of paired or single clamping convex blocks (44) are arranged on the transplanting clamping plate, the fixed end of the clamping cylinder is fixedly arranged on the horizontal sliding plate, and the movable end of the clamping cylinder is fixedly connected with the two transplanting clamping plates; the fixed end of the transplanting cylinder (60) is fixedly connected below the working table plate, and the movable end of the transplanting cylinder is fixedly connected with the horizontal sliding plate through a yielding groove (68); a horizontal limiter (32) is arranged on the supporting block (29), and an correlation sensor B (57), an correlation sensor C (56) and a correlation sensor D (54) are arranged on the worktable;
The feeding roller way (5) has a roller way working surface which is level with the upper plane of the mechanical tray, an opposite sensor A (6) is arranged at the inlet of the left end of the feeding roller way, a speed regulating motor A (77) is fixedly arranged at the right end of the feeding roller way, a stop cylinder (9) is arranged at the outlet of the right end of the feeding roller way, the fixed end of the stop cylinder is fixedly connected with the working table plate (31), a V-shaped stop block (62) is fixedly arranged at the movable end of the stop cylinder, and a position sensor (63) is arranged at the bottom of the V-shaped stop block;
The working surface of the discharging roller way (28) is level with the upper plane of the mechanical tray, the right end of the discharging roller way is fixedly provided with a speed regulating motor B (78), and the right end of the discharging roller way is provided with a material level identification sensor (66); the left end of the discharge roller way is provided with a pushing cylinder (42), the stationary end of the pushing cylinder is fixedly connected with the discharge roller way base body, the movable end of the pushing cylinder is opposite to a NG material channel (38) arranged in front of the pushing cylinder, and the NG material channel is fixedly connected with the working table plate and the frame; an correlation sensor E (52) is arranged at the inlet of the NG material channel;
The screw thread detection mechanism (18) is provided with two vertical guide rails (41), a vertical sliding plate (20), a servo motor (17), a coupler (12), a torque sensor (13), a bearing seat (21), a clutch (22), an elastic telescopic mechanism (23), a telescopic rod (10), a position standard disk (25), a cross universal joint (26), a screw thread detection head (75), a guide seat (64), a vertical limiter (8), an induction position switch (24), a laser sensor (11), a control cylinder (39), a connecting plate (14), a tightening mechanism (40), a compression cylinder (37) and a pressing plate (27); the two vertical guide rails (41) are fixedly connected with the frame, the coupler body, the clutch body, the torque sensor body, the bearing seat body and the guide seat body are respectively fixedly arranged on the vertical sliding plate (20), and the fixed end of the control cylinder (39) is fixedly arranged behind the frame; the vertical sliding plate (20) is in sliding connection with the vertical guide rail, the servo motor (17) is arranged at the upper end of the vertical sliding plate, the rotating end of the servo motor is fixedly connected with the upper end of the torque sensor (13) through the coupler (12), the lower end of the torque sensor is fixedly connected with the upper end of the bearing seat (21) through the other coupler, the lower end of the bearing seat is fixedly connected with the upper end of the clutch (22), the lower end of the clutch is fixedly provided with the elastic telescopic mechanism (23), the lower end of the elastic telescopic mechanism is provided with the telescopic rod (10), the telescopic rod is fixedly provided with the position dial (25), the lower end of the telescopic rod is fixedly connected with the upper end of the cross universal joint (26), the lower end of the cross universal joint is fixedly connected with the rod part (70) of the thread detection head (75), the rod part of the thread detection head is fixedly connected with the guide seat (64), and the lower part of the vertical sliding plate is fixedly provided with the vertical limiter (8) on the rack; the induction position switch (24) is fixedly arranged on the vertical sliding plate, and the laser sensor (11) is fixedly arranged on the vertical sliding plate; the movable end of the control cylinder is fixedly connected with the vertical sliding plate through a connecting plate (14); the tightening mechanism (40) is fixedly arranged on the vertical sliding plate; a pressing cylinder (37) is arranged on the working table plate, the fixed end of the pressing cylinder is fixedly connected with the working table plate, and the movable end of the pressing cylinder is fixedly connected with the pressing plate (27).
2. The automatic tester for internal threads of an outer ring of a fixed end joint of a transmission shaft according to claim 1, wherein: the electric cabinet (48) is internally provided with a controller, the signal input end of the controller is electrically connected with the signal output ends of the opposite shooting sensor A (6), the opposite shooting sensor B (57), the opposite shooting sensor C (56), the opposite shooting sensor D (54), the opposite shooting sensor E (52), the sensing position switch (24), the material level identification sensor (66), the torque sensor (13), the laser sensor (11), the vertical limiter (8), the horizontal limiter (32), the NG piece identification sensor (65), the position sensor (63) and the touch screen (76) respectively through signal lines, and the signal output end of the controller is electrically connected with the signal input ends of the clamping cylinder (34), the blocking cylinder (9), the transplanting cylinder (60), the compressing cylinder (37), the control cylinder (39), the pushing cylinder (42), the servo motor (17), the speed adjusting motor A (77), the speed adjusting motor B (78), the audible and visual annunciator (19) and the touch screen (76) respectively through signal lines.
3. The automatic tester for internal threads of an outer ring of a fixed end joint of a transmission shaft according to claim 1, wherein: the lower part of the working table plate (31) is supported by the frame (3) and the ground feet (1), the working table plate is fixedly provided with a frame (15), and the touch screen (76) and the audible and visual alarm (19) are fixedly arranged on the frame or the electrical cabinet.
4. The automatic tester for internal threads of an outer ring of a fixed end joint of a transmission shaft according to claim 1, wherein: the movable end of the pushing cylinder is provided with a V-shaped pushing block (53).
5. The automatic tester for internal threads of an outer ring of a fixed end joint of a transmission shaft according to claim 1, wherein: the clamping convex blocks (44) are provided with rotating wheels (45) which are contacted with the outer ring of the fixed end joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211161596.4A CN115463849B (en) | 2022-09-23 | 2022-09-23 | Automatic detecting machine for inner threads of outer ring of fixed end joint of transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211161596.4A CN115463849B (en) | 2022-09-23 | 2022-09-23 | Automatic detecting machine for inner threads of outer ring of fixed end joint of transmission shaft |
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| CN115463849A CN115463849A (en) | 2022-12-13 |
| CN115463849B true CN115463849B (en) | 2024-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211161596.4A Active CN115463849B (en) | 2022-09-23 | 2022-09-23 | Automatic detecting machine for inner threads of outer ring of fixed end joint of transmission shaft |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206794169U (en) * | 2017-05-31 | 2017-12-26 | 宁波考比锐特汽车科技有限公司 | Hub spindle socket end jumps detection and thread measurement all-in-one |
| CN113686292A (en) * | 2021-08-12 | 2021-11-23 | 吉林北方捷凯传动轴有限公司 | Automatic detection grouping machine for inner ring of movable end section of transmission shaft |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8100966A (en) * | 1981-02-27 | 1982-09-16 | Flessluittechniek B V Handelen | DEVICE FOR SORTING COVERS. |
| CN107300354A (en) * | 2017-07-21 | 2017-10-27 | 中信戴卡股份有限公司 | A kind of wheel planeness of flange detection means |
| CN214320936U (en) * | 2020-11-24 | 2021-10-01 | 浙江五洲新春集团股份有限公司 | Automatic detection equipment for hub bearing fittings |
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- 2022-09-23 CN CN202211161596.4A patent/CN115463849B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206794169U (en) * | 2017-05-31 | 2017-12-26 | 宁波考比锐特汽车科技有限公司 | Hub spindle socket end jumps detection and thread measurement all-in-one |
| CN113686292A (en) * | 2021-08-12 | 2021-11-23 | 吉林北方捷凯传动轴有限公司 | Automatic detection grouping machine for inner ring of movable end section of transmission shaft |
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| CN115463849A (en) | 2022-12-13 |
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