CN108692759B - Error-proofing detection device, automatic production line and detection method - Google Patents
Error-proofing detection device, automatic production line and detection method Download PDFInfo
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- CN108692759B CN108692759B CN201810547990.9A CN201810547990A CN108692759B CN 108692759 B CN108692759 B CN 108692759B CN 201810547990 A CN201810547990 A CN 201810547990A CN 108692759 B CN108692759 B CN 108692759B
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- 238000001514 detection method Methods 0.000 title claims abstract description 160
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 description 6
- 238000007689 inspection Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to the technical field of workpiece detection, and particularly discloses an error-proofing detection device, an automatic production line and a detection method. The error-proofing detection device comprises a working bracket, a rotary driving assembly and a detection rod, wherein the rotary driving assembly is arranged on the working bracket; the work piece that waits to detect can be overlapped and locate the measuring bar, be provided with a plurality of teeth and tooth's socket on the global axial of measuring bar, the one end of measuring bar with rotary drive subassembly is connected, rotary drive subassembly can drive the measuring bar is around the reciprocal rotation of axis of measuring bar. The error-proofing detection device provided by the invention can be used for rapidly and accurately detecting the wrong type workpiece before the assembly of the internal spline and the internal gear, avoiding the wrong type, improving the detection efficiency and improving the production quality.
Description
Technical Field
The invention relates to the technical field of workpiece detection, in particular to an error-proofing detection device, an automatic production line and a detection method.
Background
With the development of society, the cost of manpower is gradually increased, the automation industry is gradually increased, and the wide use of automation equipment can save a large amount of manpower, material resources and financial resources for each industry.
In the assembly process of the workpiece with the internal teeth, such as an internal spline and an internal gear, due to the fact that the number of teeth, the tooth shape and other parameters are more, the appearance of the workpieces with different types is extremely similar due to the fact that the single parameter is different, accurate and quick identification is difficult, and if the workpiece with the wrong type is used in the assembly process, the performance and the running condition of the workpiece with the wrong type can be greatly affected. In the prior art, whether the workpiece with the internal teeth to be assembled is correct or not is judged according to experience of staff, or the purchased workpiece with the internal teeth is directly assembled, and the problem that the workpiece with the internal teeth to be assembled is wrong in the two processing modes is difficult to avoid, so that serious potential safety hazards exist in equipment assembled with the workpiece with the internal teeth.
Disclosure of Invention
The invention aims to provide an error-proofing detection device which is used for solving the problem of wrong installation type in the assembly of an internal spline and an internal gear and improving the detection efficiency. To achieve the purpose, the invention adopts the following technical scheme:
an error-proofing detection device comprising:
a working bracket;
the rotary driving assembly is arranged on the working bracket; and
The detection rod can be sleeved with a workpiece to be detected, a plurality of teeth and tooth grooves are axially formed in the peripheral surface of the detection rod, one end of the detection rod is connected with the rotary driving assembly, and the rotary driving assembly can drive the detection rod to rotate around the axis of the detection rod in a reciprocating mode.
Preferably, the rotation driving assembly includes:
the gear is connected with the detection rod;
the detection cylinder is arranged on the working bracket; and
And the rack is in transmission connection with the detection cylinder and the gear.
Preferably, the error-proofing detection device further comprises a blanking mechanism, and the blanking mechanism can enable the workpiece to be separated from the detection rod.
Preferably, the blanking mechanism includes:
the lifting driving assembly is arranged on the working bracket;
the fixed platform is arranged on the working support, a first through hole is formed in the fixed platform, and the diameter of the first through hole is larger than the outer diameter of the detection rod and smaller than the outer diameter of the workpiece to be detected; and
And the lifting platform is connected to the output end of the lifting driving assembly and is provided with the detection rod, so that the detection rod can extend into the first through hole or withdraw from the first through hole.
Preferably, the blanking mechanism further includes:
the connecting sleeve is arranged on the lifting platform; and
The bearing, the detection rod passes through the bearing set up in the adapter sleeve.
Preferably, the error-proofing detection device further comprises a pushing assembly, and the pushing assembly can drive the workpiece placed on the fixed platform to leave the fixed platform.
Preferably, the distal end of the detection rod is provided with a tapered optical axis portion.
Preferably, the working bracket is provided with an upper obstacle sensor and a lower obstacle sensor.
Another object of the present invention is to provide an automatic production line that prevents the misloading of internal gears or internal splines. To achieve the purpose, the invention adopts the following technical scheme:
an automatic production line comprises the error-proofing detection device.
Another object of the present invention is to provide a detection method that improves the detection efficiency of the type of the internal gear or the internal spline. To achieve the purpose, the invention adopts the following technical scheme:
the detection method for detecting by using the error-proofing detection device comprises the following steps:
sleeving a workpiece to be detected on a detection rod;
the rotary driving assembly drives the detection rod to reciprocally rotate around the axis of the detection rod for a plurality of times;
judging whether the workpiece is downwards sleeved at the position of the detection rod where a plurality of teeth and tooth grooves are arranged;
and taking the workpiece out of the detection rod.
The invention has the beneficial effects that: the work piece is carried by the previous process or is placed to the upper end of measuring bar by the manual work, rotatory drive assembly drive measuring bar is reciprocal to rotate many times, if the model of work piece is correct, in measuring bar rotation in-process, the tooth of work piece then can peg graft in the tooth's socket of measuring bar, the tooth of measuring bar is pegged graft in the tooth's socket of work piece, and along the length direction motion of tooth's socket, if the model of work piece is wrong, the tooth of work piece then can not peg graft in the tooth's socket of measuring bar, the work piece can stay in measuring bar upper end, thereby the work piece of the accurate and error signal of differentiation, the internal spline, the work piece of the quick accurate detection error model before the internal gear assembly, avoid the wrong dress model, improve detection efficiency, improve production quality.
Drawings
FIG. 1 is a schematic view of a first view angle structure of an error-proofing detection device according to the present invention;
FIG. 2 is a schematic view of a second view angle structure of the error-detecting apparatus according to the present invention;
FIG. 3 is a schematic view of the structure of a detecting rod of the error-proofing detecting device in the present invention;
FIG. 4 is a schematic view of a third view angle structure of the error-detecting apparatus according to the present invention;
fig. 5 is a cross-sectional view of the error-proofing detection apparatus in the present invention.
In the figure:
1. a working bracket; 11. a base; 12. a fixing plate; 13. a support plate;
2. a rotary drive assembly; 21. a gear; 22. detecting a cylinder; 23. a rack; 24. a rack guide bar; 25. a guide plate;
3. a detection rod; 31. a toothed portion; 32. a light shaft portion;
4. a blanking mechanism; 41. a lifting cylinder; 42. a fixed platform; 421. a first through hole; 43. a lifting platform; 44. connecting sleeves; 45. a bearing; 46. a platform guide bar;
5. a pushing component; 51. a pushing cylinder; 52. pushing the material head;
6. an upper obstacle sensor; 7. a lower obstacle sensor; 8. a workpiece.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.
The embodiment provides an error-proofing detection device which is mainly but not limited to be applied to detection whether the types of an internal spline and an internal gear meet the requirements or not so as to solve the problem of misloading of the types in assembly and improve the detection efficiency.
As shown in fig. 1 and 2, the error-proofing detection device provided in this embodiment includes a work bracket 1, a rotary driving assembly 2, and a detection rod 3. The rotary driving assembly 2 is arranged on the working bracket 1; the workpiece 8 to be detected can be sleeved on the detection rod 3, a plurality of teeth and tooth grooves are axially formed in the peripheral surface of the detection rod 3, one end of the detection rod 3 is connected with the rotary driving assembly 2, and the rotary driving assembly 2 can drive the detection rod 3 to rotate reciprocally around the axis of the detection rod 3.
The multiple teeth and tooth grooves of the detection rod 3 are matched with the tooth-shaped structure of the workpiece 8 to be detected with the correct model, wherein the 'matched' in the embodiment means that the number and tooth shape of the teeth of the workpiece 8 to be detected with the correct model are consistent with the number and the tooth groove shape of the tooth grooves of the detection rod 3, after the workpiece 8 to be detected with the correct model is sleeved on the detection rod 3, each tooth of the workpiece 8 can be arranged in the tooth groove of the detection head, the workpiece 8 can move along the length direction of the tooth groove of the detection head, and the workpiece 8 to be detected with the misplaced model cannot be sleeved on the position of the detection rod 8 provided with the multiple teeth and the tooth groove. The work piece 8 is carried by the previous process or is placed to the upper end of measuring rod 3 by the manual work, rotatory drive assembly 2 drive measuring rod 3 is reciprocal to rotate many times, if the model of work piece 8 is correct, in measuring rod 3 rotation in-process, work piece 8's tooth then can peg graft in measuring rod 3's tooth groove, measuring rod 3's tooth peg graft in work piece 8's tooth groove, and along the length direction motion of tooth groove, if the model of work piece 8 is wrong, work piece 8's tooth then can not peg graft in measuring rod 3's tooth groove, work piece 8 can stay in measuring rod 3 upper end, thereby work piece 8 that can be accurate distinguish correct and error signal, internal spline, the quick accurate work piece 8 that detects the wrong model before the internal gear assembly, avoid the misloading model, improve detection efficiency, improve production quality.
The work bracket 1 includes a base 11, a fixing plate 12 and a supporting plate 13, and the base 11 and the supporting plate 13 are respectively connected to opposite sides of the fixing plate 12.
As shown in fig. 2, the rotary driving assembly 2 includes a gear 21, a rack 23 and a detection cylinder 22, the gear 21 is connected with the detection rod 3 and drives the detection rod 3 to rotate, the detection cylinder 22 is arranged on the working support 1, the rack 23 is in transmission connection with the detection cylinder 22 and the gear 21, and the detection cylinder 22 drives the gear 21 to reciprocate through the rack 213.
The direction of arrangement of the teeth on the rack 23 coincides with the direction of movement of the piston rod so as to be able to drive the gear wheel 21 in rotation. The rotary driving assembly 2 may further include a guide plate 25 and a rack guide rod 24, the guide plate 25 is connected to the cylinder body of the detection cylinder 22, one end of the rack guide rod 24 is connected to one end of the rack 23, which is not connected to the cylinder body of the detection cylinder 22 or the working support 1, the rack guide rod 24 penetrates through the guide plate 25 and can slide reciprocally relative to the guide plate 25, and the rack guide rod 24 is arranged in parallel with the piston rod of the detection cylinder 22, so that the movement track of the rack 23 is stable, and the accuracy of rotation of the detection rod 3 is improved. In other embodiments, the rotary driving assembly 2 may be a servo motor or other motor, and the detecting rod 3 is connected to an output shaft of the motor and drives the detecting rod 3 to reciprocate around its axis.
As shown in fig. 3, one end of the detection rod 3 is detachably connected to the gear 21, one end of the detection rod 3, which is far away from the rotary driving assembly 2, is provided with a toothed portion 31, and a plurality of teeth and tooth grooves of the detection rod 3 are arranged on the outer circumferential surface of the toothed portion 31, that is, a plurality of teeth arranged on the toothed portion 31, which is arranged on the detection rod 3, are external teeth, and the detection rod 3 of the error-proofing detection device is replaced, so that an internal gear or an internal spline can be detected, and other workpieces 8 with internal teeth are provided, and the application range of the error-proofing detection device is enlarged. Wherein the internal gear may be standard teeth or short teeth. The detection rod 3 further comprises a conical optical shaft portion 32 arranged at one end far away from the rotary drive assembly 2, and the optical shaft portion 32 is positioned at the side of the toothed portion 31 far away from the rotary drive assembly 2. The optical shaft portion 32 is not provided with external teeth, and the optical shaft portion 32 has a circular truncated cone structure or a conical structure, so that the workpiece 8 to be detected can be easily placed on the detection rod 3 and moves along the detection rod 3.
As shown in fig. 4 and 5, the error-proofing detection device further includes a blanking mechanism 4, and the blanking mechanism 4 can disengage the workpiece 8 from the detection rod 3. The discharging mechanism 4 comprises a lifting driving assembly, a fixed platform 42 and a lifting platform 43.
The lifting driving component is arranged on the working bracket 1; the fixed platform 42 is disposed at one end of the support plate 13 away from the fixed plate 12, and a first through hole 421 is formed in the fixed platform 42, where the diameter of the first through hole 421 is greater than the outer diameter of the detection rod 3 and less than the outer diameter of the workpiece 8 to be detected.
The lifting platform 43 is connected to the output end of the lifting drive assembly and is provided with a detection rod 3, so that the detection rod 3 can extend into the first through hole 421 or withdraw from the first through hole 421, specifically, the detection rod 3 is detachably connected to the lifting platform 43.
Specifically, the detection rod 3 sequentially passes through the gear 21, the lifting platform 43 and the fixed platform 42, the lifting driving component can be a lifting cylinder 41, a piston rod of the lifting cylinder 41 stretches, and the lifting platform 43 moves towards a direction close to the fixed platform 42 and drives the detection rod 3 to move together. The piston rod of the lifting cylinder 41 is contracted, the lifting platform 43 moves in a direction away from the fixed platform 42 and drives the detection rod 3 to move together until the upper end surface of the detection rod 3 coincides with the upper end surface of the fixed platform 42 or is positioned at the lower side of the fixed platform 42. Since the diameter of the first through hole 421 is smaller than the outer diameter of the workpiece 8, the fixed stage 42 restricts the movement of the workpiece 8 together with the inspection bar 3, and at this time, the workpiece 8 can be separated from the inspection bar 3 and independently placed on the fixed stage 42. The blanking mechanism 4 may further include a platform guide rod 46, where the length direction of the platform guide rod 46 is consistent with the movement direction of the piston rod of the lifting cylinder 41, and one end of the platform guide rod is fixedly connected to the fixed plate 12 of the working support 1, the other end of the platform guide rod is connected to the fixed platform 42, and the lifting platform 43 is penetrating through the platform guide rod 46 and can slide relative to the platform guide rod 46.
As shown in fig. 5, the blanking mechanism 4 further includes a connecting sleeve 44 and a bearing 45. The connecting sleeve 44 is arranged on the lifting platform 43; the detection rod 3 is arranged in the connecting sleeve 44 through a bearing 45. At this time, the detection rod 3 sequentially passes through the gear 21, the connecting sleeve 44 and the fixed platform 42.
Two or more bearings 45 may be disposed in the connecting sleeve 44 at intervals, and the detecting rod 3 is connected to the connecting sleeve 44 through the bearings 45 so as to rotate relative to the connecting sleeve 44, and the connecting sleeve 44 is fixedly connected to the lifting platform 43, so that the detecting rod 3 can move along with the lifting platform 43. The connecting sleeve 44 may be a T-shaped structure, one end with a larger outer diameter of the connecting sleeve 44 is located below the lifting platform 43, a second through hole corresponding to the first through hole 421 is formed in the lifting platform 43, one end with a smaller outer diameter of the connecting sleeve 44 can be arranged through the second through hole, one end with a larger outer diameter of the connecting sleeve 44 is provided with a threaded hole, and the connecting sleeve 44 is fixed on the lifting platform 43 through a bolt. The bearing 45 and the connecting sleeve 44 act together, so that a small amount of swing generated during rotation of the detecting rod 3 can be limited, and the rotation precision of the detecting rod 3 can be improved.
In other embodiments, instead of the connecting sleeve 44 and the bearing 45, convex rings may be respectively disposed at positions of the detecting rod 3 at two sides of the lifting platform 43, and the diameter of the second through hole formed on the lifting platform 43 is greater than the diameter of the detecting rod 3 and less than the outer diameter of the convex rings, and the two convex rings may be fixed on the detecting rod 3 by screws. The lifting platform 43 comprises a first platform and a second platform with semicircular arc grooves, the first platform and the second platform can be buckled and opened, when the first platform and the second platform are buckled, the two semicircular arc grooves form a second through hole, the detection rod 3 can move along with the lifting platform 43 under the action of the convex ring, and the diameter of the second through hole is larger than that of the detection rod 3, so that the detection rod 3 can rotate around the axis of the detection rod 3.
As shown in fig. 4, the error-proofing detection device further includes a pushing assembly 5, wherein the pushing assembly 5 is capable of driving the workpiece 8 placed on the fixed platform 42 away from the fixed platform 42. The pushing assembly 5 comprises a pushing cylinder 51 and a pushing head 52 connected to a piston rod of the pushing cylinder 51, the pushing assembly 5 is arranged on one side of the fixed platform 42 away from the lifting platform 43, and the pushing head 52 can be a flat plate or an inclined block with an inclined surface on one side away from the pushing cylinder 51.
An upper obstacle sensor 6 and a lower obstacle sensor 7 are arranged on the working bracket 1; the upper obstacle sensor 6 is used for detecting a workpiece 8 sleeved on the circular truncated cone structure or the conical structure, and the lower obstacle sensor 7 is used for detecting the workpiece 8 sleeved on the detection rod 3 in cooperation with the external teeth. The workpiece 8 is conveyed to the round table structure or the conical structure of the detection rod 3 by the previous working procedure, the upper obstacle sensor 6 detects that the workpiece 8 is in place, the internal gear or the internal spline with the correct model falls to the toothed part 31 of the detection rod 3, and the lower obstacle sensor 7 detects that the workpiece 8 is in place.
The error-proofing detection device further comprises a controller, and the rotary driving assembly 2, the lifting driving assembly, the pushing assembly 5, the upper obstacle sensor 6 and the lower obstacle sensor 7 are all electrically connected with the controller.
The embodiment also discloses an automatic production line, including foretell mistake proofing detection device, can effectively prevent internal gear or internal spline misloading in the production line. The automatic production line can be an automatic assembly production line, a part production line, an online detection production line or a transplanting transportation line.
The embodiment also discloses a detection method for detecting by using the error-proofing detection device, which can improve the detection efficiency of the model of the internal gear or the internal spline, and comprises the following steps: sleeving a workpiece 8 to be detected on the detection rod 3; the driving component drives the detection rod 3 to reciprocally rotate around the axis of the detection rod 3 for a plurality of times; judging whether the workpiece 8 is sleeved at the position of the detection rod 3 where a plurality of teeth and tooth grooves are arranged or not; the workpiece 8 is taken out from the inspection bar 3.
The detection method in this embodiment includes the following steps:
1. the workpiece 8 is conveyed or manually placed on a round platform structure or a conical structure of the detection rod 3 by a previous procedure;
2. the upper obstacle sensor 6 detects that the workpiece 8 to be detected is in place and transmits a signal to the controller, and the controller controls the detection cylinder 22 to start to act and drives the detection rod 3 to rapidly reciprocate three times.
3. Because the outer teeth are arranged on the detection rod 3, if the inner spline or the inner gear with different tooth shapes and tooth numbers are encountered, the workpiece 8 can stay on the round table structure or the conical structure of the detection rod 3 and cannot move along the length direction of the outer teeth of the detection rod 3, for example, the inner spline or the inner gear with correct tooth shapes can rapidly reciprocate through the detection rod 3, and then falls onto the fixed platform 42.
If the model of the workpiece 8 is correct, the workpiece 8 can be matched with the external teeth of the detection rod 3 in the process of rotating the detection rod 3 and falls to the fixed platform 42 under the action of gravity, the lower obstacle sensor 7 detects the workpiece 8 and transmits a signal to the controller, and the piston rod of the lifting cylinder 41 is contracted until the upper end surface of the detection rod 3 is driven to be on the same horizontal plane with the end surface of the fixed platform 42 or lower than the fixed platform 42, and at the moment, the workpiece 8 is completely and independently placed on the fixed platform 42.
4. After the lifting cylinder 41 is in place, the operation is stopped, and the pushing cylinder 51 starts to operate, so that the workpiece 8 retained on the pushing platform is pushed away from the fixed platform 42 by the pushing head 52.
5. If the model of the workpiece 8 is wrong, the workpiece 8 still stays at the round table structure or the conical structure of the detecting rod 3 after the detecting cylinder 22 moves back and forth for three times, and at the moment, the upper obstacle sensor 6 detects that the workpiece 8 stays at the original position and transmits a signal to the controller, so that the workpiece 8 with the wrong model is judged. Repeating the above 3, 4 processes pushes the wrong workpiece 8 off the fixed platform 42.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. An error-proofing detection device, comprising:
a work support (1);
the rotary driving assembly (2) is arranged on the working bracket (1); and
The detection rod (3) can be sleeved with a workpiece (8) to be detected, a plurality of teeth and tooth grooves are axially formed in the peripheral surface of the detection rod (3), one end of the detection rod (3) is connected with the rotary driving assembly (2), one end, far away from the rotary driving assembly (2), of the detection rod (3) is arranged to be in a circular truncated cone structure or a conical structure, and the rotary driving assembly (2) can drive the detection rod (3) to rotate reciprocally around the axis of the detection rod (3);
an upper obstacle sensor (6) and a lower obstacle sensor (7) are arranged on the working support (1), the upper obstacle sensor (6) is used for detecting the workpiece (8) sleeved on the round table structure or the conical structure, and the lower obstacle sensor (7) is used for detecting the workpiece (8) sleeved on the detection rod (3) in a matched manner with the external teeth;
the rotary drive assembly (2) comprises:
a gear (21) connected to the detection rod (3);
the detection cylinder (22) is arranged on the working bracket (1); and
A rack (23) in transmission connection with the detection cylinder (22) and the gear (21);
the error-proofing detection device further comprises a blanking mechanism (4), wherein the blanking mechanism (4) can enable the workpiece (8) to be separated from the detection rod (3);
the blanking mechanism (4) comprises:
the lifting driving assembly is arranged on the working bracket (1);
the fixed platform (42) is arranged on the working support (1), a first through hole (421) is formed in the fixed platform (42), and the diameter of the first through hole (421) is larger than the outer diameter of the detection rod (3) and smaller than the outer diameter of the workpiece (8) to be detected; and
The lifting platform (43) is connected to the output end of the lifting driving assembly and is provided with the detection rod (3), so that the detection rod (3) can extend into the first through hole (421) or withdraw from the first through hole (421);
when the workpiece (8) is detected, if the model of the workpiece (8) is correct, the workpiece (8) can be matched with the external teeth of the detection rod (3) in the rotating process of the detection rod (3) and falls to the fixed platform (42) under the action of gravity, the lower obstacle sensor (7) detects the workpiece (8), and the piston rod of the lifting driving assembly contracts until the upper end face of the detection rod (3) and the end face of the fixed platform (42) are driven to be on the same horizontal plane or lower than the fixed platform (42), and at the moment, the workpiece (8) is completely and independently placed on the fixed platform (42);
if the model of the workpiece (8) is wrong, the workpiece (8) still stays at the round platform structure or the conical structure position of the detection rod (3) after the detection cylinder (22) moves back and forth three times, and at the moment, the upper obstacle sensor (6) detects that the workpiece (8) stays at the original position, and the workpiece (8) with the wrong model is judged.
2. The error-proofing detection device according to claim 1, wherein the blanking mechanism (4) further comprises:
the connecting sleeve (44) is arranged on the lifting platform (43); and
And the detection rod (3) is arranged in the connecting sleeve (44) through the bearing (45).
3. The error-proofing detection device according to claim 1, further comprising a pushing assembly (5), the pushing assembly (5) being capable of driving the workpiece (8) placed on the stationary platform (42) away from the stationary platform (42).
4. The error-proofing detection device according to claim 1, characterized in that the end of the detection rod (3) is provided with a tapered optical axis portion (32).
5. An automatic production line comprising an error-proofing detection apparatus according to any one of claims 1 to 4.
6. A detection method for detection using the error-proofing detection apparatus according to any one of claims 1 to 4, characterized by comprising the steps of:
sleeving a workpiece (8) to be detected on the detection rod (3);
the rotary driving assembly (2) drives the detection rod (3) to rotate repeatedly around the axis of the detection rod (3);
judging whether the workpiece (8) is downwards sleeved at the position of the detection rod (3) where a plurality of teeth and tooth grooves are arranged;
the workpiece (8) is removed from the test rod (3).
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| CN201810547990.9A CN108692759B (en) | 2018-05-31 | 2018-05-31 | Error-proofing detection device, automatic production line and detection method |
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| CN201810547990.9A CN108692759B (en) | 2018-05-31 | 2018-05-31 | Error-proofing detection device, automatic production line and detection method |
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| CN108692759B true CN108692759B (en) | 2024-02-06 |
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