CN114279291B - Automatic thread quick-change detection system and detection method thereof - Google Patents
Automatic thread quick-change detection system and detection method thereof Download PDFInfo
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- CN114279291B CN114279291B CN202111562064.7A CN202111562064A CN114279291B CN 114279291 B CN114279291 B CN 114279291B CN 202111562064 A CN202111562064 A CN 202111562064A CN 114279291 B CN114279291 B CN 114279291B
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- 238000012545 processing Methods 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims description 12
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Abstract
The invention discloses an automatic thread quick-change detection system and a detection method thereof, which are applied to the field of thread detection and have the technical scheme that: the device comprises a processing table top, an installation sliding table and a controller, wherein the installation sliding table is installed on the processing table top, and a thread detection mechanism is arranged on the installation sliding table in a sliding manner; the thread detection mechanism comprises a component mounting plate, a go-no-go gauge detection component is arranged at the end part of the component mounting plate, the go-no-go gauge detection component comprises a central shaft, and a clamping clamp is arranged at the end part of the central shaft; the processing mesa is located one side of installation slip table and is provided with a plurality of logical no-go gage quick change frames, and the elasticity joint has logical no-go gage detection tool on a plurality of logical no-go gage quick change frames respectively, and logical no-go gage detection tool includes the connecting rod, and the both ends of connecting rod are provided with respectively and are used for the cooperation to block the quick change dish that grabs the clamp and use and be used for detecting the logical no-go gage of screw thread, and the technological effect that has is: through adding the quick change dish at the tip of leading to the no-go gage, cooperation card grabs the clamp, can realize the quick assembly disassembly to leading to the no-go gage, compares manual dismouting greatly improved work efficiency.
Description
Technical Field
The invention relates to the field of thread detection, in particular to an automatic thread quick-change system and a detection method thereof.
Background
The go-no-go gauge is one of measuring tools, a large number of thread products are required to be subjected to thread qualification detection in actual production, common manual measurement is time-consuming and labor-consuming, and the accuracy is low, so that semi-automatic go-no-go gauge detection equipment appears on the market.
Traditional logical no-go gage check out test set needs the manual work to be used for detecting logical no-go gage to fix in driving motor's one end, for guaranteeing the stability that leads to the no-go gage to detect in the testing process, needs the manual nut of screwing with it fixed, when detecting logical rule or no-go gage, need frequently to go on the dismouting to logical no-go gage, has reduced work efficiency greatly.
Disclosure of Invention
The invention aims to provide an automatic thread quick-change detection system and a detection method thereof, which have the advantages that the detection jig matched with the automatic thread quick-change detection system can be quickly replaced according to different specifications of products to be detected.
The technical aim of the invention is realized by the following technical scheme:
The automatic thread quick-change detection system comprises a processing table top, an installation sliding table and a controller, wherein the installation sliding table is installed on the processing table top, and a thread detection mechanism is arranged on the installation sliding table in a sliding manner; the thread detection mechanism comprises a component mounting plate, a go-no-go gauge detection component is arranged at the end part of the component mounting plate, the go-no-go gauge detection component comprises a central shaft, and a clamping clamp is arranged at the end part of the central shaft; the processing mesa is located one side of installation slip table and is provided with a plurality of logical no-go gage quick change frames, the elasticity joint has logical no-go gage detection tool on a plurality of logical no-go gage quick change frames respectively, logical no-go gage detection tool includes the connecting rod, the both ends of connecting rod are provided with respectively and are used for the cooperation card to grab the quick change dish that presss from both sides and be used for detecting the logical no-go gage of screw thread.
Through the technical scheme: the go-no-go gauge detection assembly is used for conducting go-no-go detection on a product to be detected, the clamping clamp is used for installing the go-no-go gauge detection jig, the quick-change disc arranged at the joint of the go-no-go gauge detection jig and the clamping clamp can be used for rapidly disassembling and assembling the go-no-go gauge detection jig, and after the go-no-go gauge detection jig is installed, the go-no-go gauge at the other end of the go-no-go gauge detection assembly can be used for conducting go-no-go detection on the product to be detected in sequence.
The invention is further provided with: the clamping clamp comprises a shaft sleeve, a plurality of sliding grooves are formed in the side edge of the central shaft, located in the shaft sleeve, of the central shaft, clamping claws used for clamping are arranged in the sliding grooves, a plurality of protruding limiting columns are arranged at one end, close to the lower end of the central shaft, of the shaft sleeve, a clamping ring is fixedly arranged on the outer side of the central shaft, located in the outer side of the sliding groove, of the central shaft, and the upper ends of the clamping claws are clamped with the clamping ring.
Through the technical scheme: the jack catch is used for carrying out the centre gripping to leading to the no-go gage detection tool, and the jack catch can restrict the displacement of jack catch after being connected with the snap ring, snap ring.
The invention is further provided with: the quick-change disc is provided with a plurality of arc-shaped sliding grooves matched with the limiting columns in a penetrating mode, and the center of the quick-change disc is provided with a center hole penetrating through the center shaft in a penetrating mode.
Through the technical scheme: after the center shaft penetrates the center hole, the clamping jaw can clamp the edge of the center hole, meanwhile, the limiting posts can be inserted into the arc-shaped sliding grooves, and the arc-shaped sliding grooves can slide and limit the limiting posts.
The invention is further provided with: the go-no-go gauge is sequentially provided with a first thread and a second thread with different pitches from top to bottom, and the first thread and the second thread are used for respectively carrying out no-go gauge and go-no-go gauge detection on a threaded hole to be detected.
Through the technical scheme: the second thread can carry out go gauge detection on the product to be detected, and after the go gauge detection is finished, the first thread can directly carry out no-go gauge detection on the product to be detected.
The invention is further provided with: the quick change frame of the go-no-go gauge comprises a mounting frame, a chuck is arranged on the mounting frame and consists of a fixed chuck and an elastic chuck, a limiting chute is arranged at the opening part of the elastic chuck, which is close to the chuck, a torsion spring is arranged at one side of the chuck, which is close to the opening of the chuck, and the torsion end of the torsion spring penetrates into the limiting chute.
Through the technical scheme: the elastic chuck cooperates with the torsion spring to push away from one side when the go-no-go gauge detection jig is installed from the side, and after the go-no-go gauge detection jig is installed, the torsion spring can reset the elastic chuck.
The invention is further provided with: the middle part of the assembly mounting plate is provided with a driving motor electrically connected with the controller, the end part of the driving motor is provided with a first driving wheel, the assembly mounting plate is positioned at the central shaft and is provided with a driving shaft seat, the driving shaft seat is rotationally provided with a driving shaft sleeve, the central shaft is connected with the driving shaft sleeve in a sliding and penetrating way, one end of the driving shaft sleeve, far away from the driving shaft seat, is provided with a second driving wheel, and the first driving wheel and the second driving wheel are connected through belt transmission.
Through the technical scheme: the driving motor can drive the second driving wheel to rotate through the belt.
The invention is further provided with: the side of center pin is provided with the key spout, fixed being provided with the flat key on the driving axle sleeve, flat key and key spout sliding connection.
Through the technical scheme: through the connection of key spout and flat key, can realize that the center pin is slided from top to bottom for the flat key, when driving motor drive second drive wheel rotated, the second drive wheel drove the drive axle sleeve and rotated, and the drive axle sleeve passes through the flat key and drives the center pin rotation to the center pin drives the card and grabs the clamp rotation.
The invention is further provided with: the upper part of the clamping clamp on the central shaft is sleeved with a support plate, the support plate is provided with a guide shaft penetrating through the component mounting plate, the end part of the guide shaft is provided with a limit sleeve, the limit sleeve is embedded into a guide frame arranged on the component mounting plate, the guide shaft is sleeved with a spring for resetting the guide shaft, and the upper end and the lower end of the spring are respectively in butt joint with the guide frame and the support plate.
Through the technical scheme: when external fixture is through leading to no-go gage detection tool jack-up card and grab the clamp, the guiding axle can guarantee the stability of its jacking process, after detection process is accomplished, the spring can be through the mounting panel with the card grab clamp reset.
The invention is further provided with: the sensor rack is fixedly arranged on the component mounting plate through a bracket, a first photoelectric sensor and a second photoelectric sensor with different mounting heights are sequentially arranged on the sensor rack from top to bottom, and the first photoelectric sensor and the second photoelectric sensor are electrically connected with the controller and are used for detecting the position of the central shaft.
Through the technical scheme: the first photoelectric sensor and the second photoelectric sensor are used for detecting the position of the current center column, so that switching of different detection modes is realized, and the arrangement of the high and low positions of the first photoelectric sensor and the second photoelectric sensor can realize the sequential detection of the go gauge and the no-go gauge.
The detection method applied to the automatic thread quick change detection system comprises the following steps:
Step one: according to the specification of the current thread to be detected, selecting a proper go-no-go gauge detection jig, taking the jig off from a chuck by an external clamping mechanism, and installing the jig on a clamping clamp through a quick-change disc and a clamping jaw;
Step two: the external clamping mechanism clamps the product to be detected after the installation is completed, pushes upwards and drives the central shaft to penetrate out of the second driving wheel, and when the central shaft moves upwards and triggers the second photoelectric sensor, the controller is in a go gauge detection mode, the driving motor acts, the central shaft drives the second screw thread to rotate, and go gauge detection is carried out on the product to be detected;
Step three: when the go gauge detection accords with the internal program setting of the controller, the detection passes, and when the go gauge detection does not accord with the internal program setting of the controller, the go gauge detection does not pass, and the controller alarms;
Step four: after the go gauge is qualified in detection, the external clamping mechanism continues to push the product to be detected upwards, when the central shaft triggers the first photoelectric sensor, the internal program of the controller switches the go gauge detection mode, the driving motor acts, the first thread is driven to rotate through the central shaft, and the go gauge detection is carried out on the product to be detected;
Step five: when the detection of the no-go gauge accords with the internal program setting of the controller, the detection is passed, and when the detection of the no-go gauge does not accord with the internal program setting of the controller, the detection of the no-go gauge does not pass, and the controller alarms.
In summary, the invention has the following beneficial effects:
Through adding the quick change dish with the tip of leading to the no-go gage, the clamp that sets up in the cooperation leading to no-go gage detection subassembly is grabbed, can realize the quick installation and the dismantlement to leading to the no-go gage, compares traditional manual dismouting and has greatly improved work efficiency, and a plurality of leading to no-go gage quick change frames that set up simultaneously can place the leading to no-go gage of multiple specification simultaneously, can realize carrying out short-term test to the product of different models.
Drawings
FIG. 1 is a schematic diagram of the whole detection system of the present embodiment;
FIG. 2 is a schematic view of a screw thread detecting mechanism according to the present embodiment;
FIG. 3 is a schematic view showing the connection between the central shaft and the clamping clip in the present embodiment;
FIG. 4 is a schematic diagram of the detecting tool of the go-no-go gauge in the present embodiment;
FIG. 5 is a schematic diagram of a quick change frame for the go-no-go gauge in the present embodiment;
Fig. 6 is a schematic diagram of the key chute and parallel key connection of the present embodiment.
Reference numerals: 1. processing a table top; 2. installing a sliding table; 3. a controller; 4. a thread detection mechanism; 5. a component mounting plate; 6. the go-no-go gauge detection assembly; 7. a central shaft; 8. clamping clips; 9. a frame is quickly replaced by a go-no-go gauge; 10. a connecting rod; 11. quick-change disc; 12. go-no-go gauge; 13. A chute; 14. a claw; 15. a limit column; 16. a clasp; 17. an arc chute; 18. a central bore; 19. a first thread; 20. a second thread; 21. a mounting frame; 22. a chuck; 23. fixing the chuck; 24. an elastic chuck; 25. limiting sliding grooves; 26. a torsion spring; 27. a driving motor; 28. a first drive wheel; 29. driving the shaft seat; 30. a driving shaft sleeve; 31. a second drive wheel; 32. a belt; 33. a key chute; 34. a flat key; 35. a support plate; 36. a guide shaft; 37. a limit sleeve; 38. a spring; 39. a sensor holder; 40. a first photosensor; 41. a second photosensor; 42. detecting a jig by a go-no-go gauge; 43. a shaft sleeve; 44. And rotating the disc.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples:
Referring to fig. 1 and 4, an automatic thread quick-change detection system and a detection method thereof comprise a processing table board 1, an installation sliding table 2 and a controller 3, wherein the installation sliding table 2 is provided with a thread detection mechanism 4 in a sliding manner, and the thread detection mechanism is used for detecting a thread go-no-go gauge of a product to be detected; the screw thread detection mechanism 4 includes the subassembly mounting panel 5, the subassembly mounting panel 5 is connected with the slider of installation slip table 2 through the rolling disc 44 that is connected rather than perpendicular, thereby realize that screw thread detection mechanism 4 slides along the direction of height of installation slip table 2, the tip that installation slip table 2 was kept away from to the subassembly mounting panel 5 is provided with logical no-go gage detection subassembly 6, logical no-go gage detection subassembly 6 includes center pin 7, the lower tip of center pin 7 is provided with the card that is used for connecting detection tool and grabs clamp 8, processing mesa 1 is located one side of installation slip table 2 and is provided with two logical no-go gage quick change frame 9, the elasticity joint has logical no-go gage detection tool 42 on the logical no-go gage quick change frame 9, logical no-go gage detection tool 42 includes connecting rod 10, be provided with respectively at the both ends of connecting rod 10 and be used for being connected to the quick change disc 11 that grabs clamp 8 and be used for detecting the logical no-go gage 12 of screw thread, first screw thread 19 and second screw thread 20 have been set gradually on logical no-go gage 12, the screw thread 19 pitch is greater than the screw pitch of second screw thread 20, first screw thread 19 and second screw thread 20 are used for treating the detection screw thread and detecting the screw thread respectively.
Referring to fig. 3, the clamping clamp 8 includes a shaft sleeve 43, a central shaft 7 passes through the bottom of the shaft sleeve 43, the end portion of the central shaft 7 passing through is conical, three sliding grooves 13 are formed in the side edge of the central shaft 7 located in the shaft sleeve 43, the bottom end of each sliding groove 13 passes through the lower end of the central shaft 7, clamping claws 14 used for clamping are arranged in the sliding grooves 13, the upper end and the lower end of each clamping claw 14 are respectively of convex fastening structures, a clamping ring 16 is fixedly sleeved on the middle upper peripheral side of the central shaft 7 located in each sliding groove 13, the upper ends of the clamping claws 14 are respectively fastened with the clamping rings 16 and the upper ends of the shaft sleeve 43 through the fastening structures, the lower ends of the clamping claws 14 are connected to an external structure through stress, and three protruding limiting columns 15 are arranged at one end of the shaft sleeve 43, which is close to the lower end of the central shaft 7.
Referring to fig. 3 and 4, an arc chute 17 used in cooperation with a limit post 15 is provided on the quick-change disc 11 in a penetrating manner, a central hole 18 used for penetrating the central shaft 7 is provided in the center of the quick-change disc 11 in a penetrating manner, and when the central shaft 7 is installed in the central hole 18 through the conical end portion of the central shaft 7, the lower end clamping structure of the clamping jaw 14 can be clamped at the edge of the central hole 18, so that the through-and-stop gauge detection jig 42 is connected.
Referring to fig. 4 and 5, the go-no-go gauge quick-change frame 9 comprises a mounting frame 21, the height of the mounting frame 21 is higher than that of the go-no-go gauge detection jig, chuck 22 is arranged on the mounting frame 21, chuck 22 is composed of a fixed chuck 23 and an elastic chuck 24, an installation opening can be formed by matching the opening and closing part of the elastic chuck 24 with the fixed chuck 23, the opening part of the elastic chuck 24, which is close to the chuck 22, is provided with a limit chute 25, the inner side and the outer side of the end part of the elastic chuck 24, which is close to the limit chute 25, are arc-shaped, one side of the chuck 22, which is close to the opening, is provided with a torsion spring 26, the torsion end of the torsion spring 26 penetrates into the limit chute 25, the quick-change disc 11 is installed in the installation opening, when the quick-change disc 11 is installed inwards from the outside, when the quick-change disc 11 contacts the outer side of the elastic chuck 24, the arc-shaped part can extrude the quick-change disc through the arc-shaped part of the outer side of the elastic chuck 24, thereby pushing the torsion end of the torsion spring 26 through the limit chute 25, and further forming elasticity to the elasticity of the elastic chuck 24, after the quick-change disc 11 is installed in the installation opening.
Referring to fig. 2, a driving motor 27 electrically connected with the controller 3 is fixedly arranged in the middle of the component mounting plate 5, a first driving wheel 28 is arranged at the end of the driving motor 27, a driving shaft seat 29 is arranged at the position of the component mounting plate 5, a driving shaft sleeve 30 is rotatably arranged on the driving shaft seat 29 through a bearing, the central shaft 7 penetrates into the driving shaft sleeve 30 and is connected with the driving shaft sleeve 30 in a sliding manner up and down, a second driving wheel 31 is fixedly arranged at one end, far away from the driving shaft seat 29, of the driving shaft sleeve 30, the first driving wheel 28 and the second driving wheel 31 are in transmission connection through a belt 32, a key chute 33 is arranged at the side edge of the central shaft 7, a flat key 34 is fixedly arranged in the driving shaft sleeve 30, the flat key 34 is in sliding connection with the key chute 33, the driving motor 27 can drive the second driving wheel 31 to rotate through the belt 32 after driving the first driving wheel 28 to drive the shaft, thereby driving the shaft sleeve 43 to rotate, and further the flat key 34 can drive the central shaft 7 to rotate through the key chute 33.
Referring to fig. 2, a support plate 35 is sleeved above the clamping clip 8 on the central shaft 7, two guide shafts 36 penetrating through the component mounting plate 5 are arranged on the support plate 35, limiting sleeves 37 are arranged at the ends of the guide shafts 36, the limiting sleeves 37 are embedded into guide frames arranged on the component mounting plate 5, springs 38 for resetting the guide shafts 36 are sleeved on the guide shafts, the upper ends and the lower ends of the springs 38 are respectively abutted with the guide frames and the support plate 35, when an external mechanism applies force to the clamping clip 8 upwards, the support plate 35 pushes the guide shafts 36 to slide upwards when the central shaft 7 is pushed to slide upwards, the guide shafts can ensure the stability of the upward sliding process of the central shaft 7 through the limiting sleeves 37 and the support plate 35, the detection precision can be improved, and after external force is cancelled, the springs 38 can push the support plate 35 downwards to reset, so that the central shaft 7 is driven to reset.
Referring to fig. 2, a sensor frame 39 is fixedly provided on the component mounting board 5 through a bracket, two mounting grooves are provided on the sensor frame 39, a first photoelectric sensor 40 and a second photoelectric sensor 41 having mounting heights different by 5mm are respectively provided in the two mounting grooves, the detection ends of the two are directed to one side of the central shaft 7, and the first photoelectric sensor 40 and the second photoelectric sensor 41 are electrically connected with the controller 3 and are used for detecting the position of the central shaft 7.
The detection method of the automatic thread quick-change detection system provided by the embodiment comprises the following steps:
step one: according to the specification of the current thread to be detected, a go-no-go gauge detection jig 42, in which the first thread 19 and the second thread 20 meet the processing error of the current thread to be detected, is selected, and is taken down from the chuck 22 by an external clamping mechanism and is arranged on the clamping clamp 8 through the quick-change disc 11 and the clamping jaw 14;
Step two: the external clamping mechanism clamps a product to be detected and pushes the product upwards to drive the central shaft 7 to penetrate out of the second driving wheel 31, when the central shaft 7 moves upwards and triggers the second photoelectric sensor 41, the current position of the central shaft 7 is checked through the controller 3, at the moment, the controller 3 is in a go-no-go gauge detection mode, at the moment, the first photoelectric sensor 40 fails, the external clamping mechanism controls the same thread depth to be continuously lifted upwards according to the depth of the current thread to be detected, the output torque of the driving motor 27 is set in the controller 3 according to the pitch of the thread to be detected, then the driving motor 27 acts, the clamping clip 8 is driven by the central shaft 7 to drive the go-no gauge detection jig 42 to rotate, and accordingly the second thread 20 rotates and is screwed into the thread to be detected;
Step three: the controller 3 judges whether the thread to be detected accords with the machining error according to the current detected real-time torque and motor running stroke, when the thread to be detected accords with the internal program setting of the controller 3, the thread passes the detection, when the thread does not accord with the internal program setting of the controller 3, the thread passes the detection, and the controller 3 alarms;
step four: after the go gauge is qualified in detection, the external clamping mechanism withdraws the product to be detected, after the product is reset, the external clamping mechanism lifts the central shaft 7 through the product to be detected, when the central shaft 7 triggers the first photoelectric sensor 40, the operation controller 3 checks the position of the current central shaft 7, at the moment, the internal program of the controller 3 is switched to a go gauge detection mode, meanwhile, the second photoelectric sensor fails, the driving motor 27 acts, the central shaft 7 drives the first thread 19 and the second thread 20 to rotate, and after the second thread rotates through the stroke of the thread to be detected, the first thread 19 carries out no-go gauge detection on the thread to be detected;
Step five: the controller judges whether the detection of the stop gauge accords with the internal program setting of the controller 3 according to the torque and the driving stroke of the driving motor, and the controller 3 alarms when the detection fails.
The working process and principle of the embodiment are as follows:
When the thread to be detected is detected through gauge, whether the current screw thread of the first screw thread or the second screw thread is blocked or not is judged by detecting the real-time output torque of the driving motor, if the torque is too large, the problem that the thread pitch of the current detection is too small exists, and whether the thread depth of the current detection is insufficient or too long can be judged by the driving stroke of the driving motor;
when the thread to be detected is detected by the non-stop gauge, the output torque and the driving stroke of the driving motor are required to be combined and judged, and under normal conditions, when the thread to be detected is detected by the non-stop gauge, the driving stroke of the driving motor is not more than two line distances, and after the two line distances are screwed in, the torque of the driving motor is increased to indicate that the thread to be detected cannot be screwed in continuously, and at the moment, the passing of the thread to be detected by the non-stop gauge can be judged.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (8)
1. The automatic thread quick-change detection system comprises a processing table top (1), an installation sliding table (2) and a controller (3), wherein the installation sliding table (2) is installed on the processing table top, and a thread detection mechanism (4) is arranged on the installation sliding table (2) in a sliding manner;
The thread detection mechanism (4) comprises a component mounting plate (5), a go-no-go gauge detection component (6) is arranged at the end part of the component mounting plate (5), the go-no-go gauge detection component (6) comprises a central shaft (7), and a clamping clamp (8) is arranged at the end part of the central shaft (7);
A plurality of through-and-no-go gauge quick-change frames (9) are arranged on one side of the machining table (1), which is provided with a through-and-no-go gauge detection jig (42) in an elastic clamping manner, of the plurality of through-and-no-go gauge quick-change frames (9), the through-and-no-go gauge detection jig (42) comprises a connecting rod (10), and quick-change discs (11) used for being matched with a clamping clamp (8) and through-and-no-go gauges (12) used for detecting threads are respectively arranged at two ends of the connecting rod (10);
The clamping clamp (8) comprises a shaft sleeve (43), a plurality of sliding grooves (13) are formed in the side edge, located in the shaft sleeve (43), of the central shaft (7), the sliding grooves (13) penetrate through the lower end of the central shaft (7), clamping claws (14) used for clamping are arranged in the sliding grooves (13), a plurality of protruding limit columns (15) are arranged at one end, close to the lower end of the central shaft (7), of the shaft sleeve (43), a clamping ring (16) is fixedly arranged on the outer side, located in the sliding grooves (13), of the central shaft (7), and one end of each clamping claw (14) is connected with the corresponding clamping ring (16) in a clamping mode;
the quick-change disc (11) is provided with a plurality of arc-shaped sliding grooves (17) which are matched with the limiting columns (15) in a penetrating mode, and the center of the quick-change disc (11) is provided with a center hole (18) which penetrates through the center shaft (7).
2. The automatic thread quick change detection system according to claim 1, wherein a first thread (19) and a second thread (20) with different pitches are sequentially arranged on the go-no-go gauge (12) from top to bottom, and the first thread (19) and the second thread (20) are used for respectively performing no-go gauge detection and go-no-go gauge detection on a threaded hole to be detected.
3. The automatic thread quick change detection system according to claim 2, wherein the go-no-go gauge quick change frame (9) comprises a mounting frame (21), a chuck (22) is arranged on the mounting frame (21), the chuck (22) is composed of a fixed chuck (23) and an elastic chuck (24), a limit chute (25) is arranged at the opening part of the elastic chuck (24) close to the chuck (22), a torsion spring (26) is arranged on one side of the chuck (22) close to the opening of the chuck, and the torsion end of the torsion spring (26) penetrates into the limit chute (25).
4. The automatic thread quick-change detection system according to claim 3, wherein a driving motor (27) electrically connected with the controller (3) is arranged in the middle of the component mounting plate (5), a first driving wheel (28) is arranged at the end of the driving motor (27), the component mounting plate (5) is arranged at the central shaft (7) and provided with a driving shaft seat (29), a driving shaft sleeve (30) is rotatably arranged on the driving shaft seat (29), the central shaft (7) is connected with the driving shaft sleeve (30) in a sliding and penetrating manner, a second driving wheel (31) is arranged at one end, far away from the driving shaft seat (29), of the driving shaft sleeve (30), and the first driving wheel (28) and the second driving wheel (31) are in transmission connection through a belt (32).
5. The automatic thread quick change detection system according to claim 4, wherein a key chute (33) is provided on a side of the central shaft (7), a flat key (34) is fixedly provided inside the driving shaft sleeve (30), and the flat key (34) is slidably connected with the key chute (33).
6. The automatic thread quick change detection system according to claim 5, wherein a support plate (35) is sleeved on the central shaft (7) above the clamping clamp (8), a guide shaft (36) penetrating through the component mounting plate (5) is arranged on the support plate (35), a limit sleeve (37) is arranged at the end of the guide shaft (36), the limit sleeve (37) is embedded in a guide frame arranged on the component mounting plate (5), a spring (38) for resetting the guide shaft is sleeved on the guide shaft (36), and the upper end and the lower end of the spring (38) are respectively abutted to the guide frame and the support plate (35).
7. The automatic thread quick change detection system according to claim 6, wherein a sensor frame (39) is fixedly arranged on the component mounting plate (5) through a support, a first photoelectric sensor (40) and a second photoelectric sensor (41) with different mounting heights are sequentially arranged on the sensor frame (39) from top to bottom, and the first photoelectric sensor (40) and the second photoelectric sensor (41) are electrically connected with the controller (3) and are used for detecting the position of the central shaft (7).
8. A detection method applied to the automatic thread quick change detection system of claim 7, comprising the steps of:
Step one: according to the specification of the current thread to be detected, a proper go-no-go gauge detection jig (42) is selected, and is taken down from a chuck (22) by an external clamping mechanism and is arranged on a clamping clamp (8) through a quick-change disc (11) and a clamping jaw (14);
Step two: the product to be detected after the external clamping mechanism clamps and installs is pushed upwards, and drives the central shaft (7) to penetrate out of the second driving wheel (31), when the central shaft (7) moves upwards and triggers the second photoelectric sensor (41), the controller (3) is in a go gauge detection mode, the driving motor (27) acts, the second thread (20) is driven to rotate through the central shaft (7), and go gauge detection is carried out on the product to be detected;
Step three: when the go gauge detection accords with the internal program setting of the controller (3), the detection passes, and when the go gauge detection does not accord with the internal program setting of the controller (3), the go gauge detection does not pass, and the controller (3) alarms;
Step four: after the go gauge is qualified in detection, the external clamping mechanism continues to push the product to be detected upwards, when the central shaft (7) triggers the first photoelectric sensor (40), at the moment, the internal program of the controller (3) switches the go gauge detection mode, the driving motor (27) acts, the first thread (19) is driven to rotate through the central shaft (7), and the product to be detected is subjected to no-go gauge detection;
Step five: when the detection of the no-go gauge accords with the internal program setting of the controller (3), the detection is passed, and when the detection of the no-go gauge does not accord with the internal program setting of the controller (3), the detection of the no-go gauge does not pass, and the controller (3) alarms.
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