CN114682519A - Equipment defect tracing system - Google Patents
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- CN114682519A CN114682519A CN202210334138.XA CN202210334138A CN114682519A CN 114682519 A CN114682519 A CN 114682519A CN 202210334138 A CN202210334138 A CN 202210334138A CN 114682519 A CN114682519 A CN 114682519A
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- 230000007547 defect Effects 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 115
- 238000012545 processing Methods 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 57
- 230000002950 deficient Effects 0.000 claims abstract description 33
- 238000007689 inspection Methods 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000011156 evaluation Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 189
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- 238000010586 diagram Methods 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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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
- B07C5/3412—Sorting according to other particular properties according to a code applied to the object which indicates a property of the object, e.g. quality class, contents or incorrect indication
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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
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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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 invention discloses an equipment defect tracing system, which comprises: the material feeding detection device is used for feeding materials, the materials are screened through the material feeding detection device, good-product materials are conveyed to the processing device to be processed, and the processed finished products are conveyed to the finished product detection device to detect whether the finished products are bad or not. Be equipped with first handing-over department between material loading check out test set and the processing equipment, be equipped with second handing-over department between processing equipment and the finished product check out test set, material or finished product are transported through the tool, and control system receives material loading check out test set, processing equipment and becomes the detection data of piece check out test set, discerns the location to taking place bad tool. The invention realizes the timely on-line evaluation of the production jig, accurately identifies and positions the jig with bad occurrence, effectively reduces the material loss of the defective products and improves the yield of the products.
Description
Technical Field
The invention relates to the technical field of automatic processing equipment, in particular to an equipment defect tracing system.
Background
Along with the continuous development of science and technology, automation equipment is widely used in manufacturing, because the product passes through many processes in process of production, from semi-manufactured goods to off-the-shelf course of working need utilize the tool to carry out a lot of transportation, is difficult to in time trace back the tool that has the defect when leading to appearing the defective products, seriously influences production efficiency.
Taking the stator production of the motor as an example, the automatic production line of the insulation and winding part of the motor stator at present is a three-section multi-machine combination, the production line equipment has high production speed, multiple heads operate simultaneously, the production quantity is large, the jig consumption is large, meanwhile, the process has higher requirement on the precision of the production jig, and the jig loss has strong correlation with the product quality stability. The existing automatic production line can not evaluate the loss of the jig on line, and the finished product detection is carried out after the semi-finished product is processed, the finding of defective products is lagged, the equipment can not provide basic statistical data required by quality improvement, and the material loss of the defective products and the reject ratio of products can not be reduced.
In addition, equipment data required by production management only exists in single-machine equipment and cannot be read in an informationized mode, a large amount of data required by management still adopt traditional manual transcription and statistics, and more refined factory management cannot be effectively expanded.
Therefore, how to design an equipment defect tracing system capable of accurately identifying and positioning a defective jig is an urgent technical problem to be solved in the industry.
Disclosure of Invention
In order to solve the defect that poor jigs are difficult to trace in the prior art, the invention provides the equipment defect tracing system, which realizes timely online evaluation of production jigs, accurately identifies and positions the jigs with poor quality, effectively reduces the loss of poor product materials and improves the yield of products.
The technical scheme adopted by the invention is that the design equipment defect tracing system comprises:
the feeding detection equipment is provided with a feeding detection station for detecting whether the material is bad or not and a plurality of slide block jigs for placing the material, the slide block jigs sequentially pass through the feeding detection station, each slide block jig is provided with a slide block label with a slide block code, and a feeding identification device for identifying the slide block label is arranged at the feeding detection station;
the processing equipment is provided with a processing station for processing good-product materials into finished products and a plurality of tray jigs for placing the good-product materials, each tray jig sequentially passes through the processing station, each tray jig is provided with a tray label with a tray code, a first connecting part is arranged between the feeding detection equipment and the processing equipment, the unloaded tray jig is parked at the first connecting part to wait for the good-product materials to be loaded, and a processing identification device for identifying the tray label is installed at the first connecting part;
the finished product detection equipment is provided with a feeding position, a finished product detection station for detecting whether the finished product is bad or not and a turntable device for transferring the finished product from the feeding position to the position below the finished product detection station, a second joint is arranged between the processing equipment and the finished product detection equipment, the fully loaded tray jig is parked at the second joint to wait for the finished product to be taken out, and a finished product identification device for identifying a tray label is installed at the second joint;
and the control system receives the detection data of the feeding detection equipment, the processing equipment and the sheet forming detection equipment and identifies and positions the defective jig.
Preferably, when the feeding detection equipment generates a bad signal, the control system acquires the slide block codes of the slide block jigs at the feeding detection station through the feeding identification device, marks the slide block codes as bad slide block codes, and takes out and places the bad materials in the waste material box.
Preferably, the tray jig is provided with a plurality of point positions, a good material is placed at each point position, the processing station is provided with a processing jig for positioning the good material, the number of the point positions of the processing jig is the same as that of the point positions of the tray jig, a finished product of the processing jig and the good material of the tray jig are replaced in a one-to-one manner, and the tray jig is operated to a second junction after being filled with the finished product; the tray tool arranges according to the size of tray code in proper order, and the non-defective products material of last tray tool is put into next tray tool after being processed into the finished product, and control system obtains the tray code of the tray tool of current second handing-over department as the tray code of treating when bad signal appears in the finished product detection station, and the last tray code mark of the tray code of treating is bad tray code.
In some embodiments, the pallet fixture is cycled between a first interface, a processing station, and a second interface, marking the last pallet code as a bad pallet code when the code to be processed is the first pallet code.
Preferably, the turntable device is provided with a plurality of positioning seats, and each positioning seat can pass through the material feeding position and the finished product detection station; the point location of tray tool is equipped with the point location serial number, and the finished product is taken out one by one and is placed the positioning seat of feed position in proper order according to the big or small order of point location serial number on, and the carousel device rotates and sends the finished product to the finished product detection station in proper order and detects, and when the quality control station sent bad signal, control system traced back bad point location serial number according to the step number of carousel device.
Preferably, the finished product detection equipment is provided with a feeding cache region and a transfer device, the feeding cache region is used for parking a single finished product, the transfer device is used for conveying the finished product on the feeding cache region to a positioning seat of a feeding position, and the feeding position is provided with a feeding vacancy sensor and an additional vacancy sensor; when finished products are detected by the feeding vacancy sensor and the additional vacancy sensor, the finished products are transferred forward by one step by the turntable device, and the step number of the turntable device is increased by 1; when the feeding vacancy sensor or the additional vacancy sensor detects that no finished product exists, the step number of the turntable device is unchanged, and the control system identifies the vacancy point position serial number according to the detection signal of the vacancy sensor; and the control system skips the vacancy point location serial number when tracing the bad point location serial number according to the step number of the turntable device.
Preferably, the finished product detection equipment is further provided with a detection cache region, the detection cache region is located between the second junction and the feeding cache region, finished products are transferred to the detection cache region and the feeding cache region in sequence, and the detection cache region is provided with a cache vacancy sensor for detecting whether the finished products exist or not.
In some embodiments, the finished product detection equipment is provided with a discharging position and more than two finished product detection stations of different types, when a defective signal occurs at the finished product detection station, the control system obtains the number of steps of the current turntable device to trace the defective point location serial number, and when a finished product with the defective point location serial number rotates to the discharging position, the finished product is taken out and placed in a defective product box of a corresponding type.
Further, the finished products rotate along with the rotary table device and successively pass through the finished product detection stations, when more than two finished product detection stations send out bad signals, the finished products with the bad point position serial numbers are placed in the bad product boxes of the types corresponding to the first finished product detection stations sending out the bad signals.
Preferably, each device is independently provided with a PLC register for controlling the running state of the device, an HMI (human machine interface) connected with the PLC register, and a protocol processor connected with the PLC controller; the control system includes: the industrial personal computer collects the operating data of each device and counts bad signals to form a chart, and the switch uploads the operating data to the cloud end through the router.
Compared with the prior art, the invention has the following beneficial effects:
1. each jig is provided with an independent tag, when the control system detects a bad signal, the jig with the bad signal is accurately identified and positioned by combining a reading signal of the identification device and operation data of the equipment, the bad jig is replaced in time, and the production efficiency is improved;
2. and the data signals of all the devices are read in an informationized manner, the occurrence frequency of bad signals and corresponding jig information and the like are counted, and the fine management of the production devices is realized.
Drawings
The invention is described in detail below with reference to embodiments and the attached drawings, wherein:
FIG. 1 is a schematic diagram of the connection of the defect tracing system of the present invention;
FIG. 2 is a schematic connection diagram of the feeding detection device according to the present invention;
FIG. 3 is a schematic flow chart of the feeding detection device of the present invention;
FIG. 4 is a schematic view of the connection of the processing apparatus of the present invention;
FIG. 5 is a schematic view of the connection of the product inspection apparatus of the present invention;
FIG. 6 is a schematic flow diagram of the finished product inspection apparatus of the present invention;
FIG. 7 is a schematic diagram of the connection of the control system of the present invention;
reference numerals:
1. a feeding detection device; 11. a feeding detection station; 12. a slide block jig; 13. a feeding identification device; 14. a feeding mechanical arm; 15. a waste material box; 2. processing equipment; 21. a tray jig; 22. a processing station; 23. a machining recognition device; 221. processing a jig; 3. finished product detection equipment; 31. a turntable device; 32. a finished mechanical arm; 33. a finished product identification device; 34. a feed buffer zone; 35. a feed vacancy sensor; 36. an additional vacancy sensor; 37. detecting a cache region; 38. caching a vacancy sensor; 39. a blanking mechanical arm; 300. defective product boxes; 301. a first finished product inspection station; 302. a second product inspection station; 303. a third finished product detection station; 4. a control system; 41. a switch; 42. an industrial personal computer; 43. a router; 44. a data billboard; 45. an edge gateway.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the following describes the principle of the present invention in detail with reference to an embodiment, and the present invention provides an apparatus defect tracing system mainly comprising a three-segment multi-machine combination and a control system, where the three-segment multi-machine combination includes a feeding detection device 1, a processing device 2 and a finished product detection device 3, a material is fed from the feeding detection device 1, the material is screened by the feeding detection device 1, a good material is sent to the processing device 2 for processing, and a processed finished product is sent to the finished product detection device 3 for detecting whether the product is bad. Be equipped with first handing-over department between material loading check out test set 1 and the processing equipment 2, be equipped with second handing-over department between processing equipment 2 and the finished product check out test set 3, material or finished product are transported through the tool, and control system 4 receives material loading check out test set 1, processing equipment 2 and becomes the detection data of piece check out test set 3, discerns the location to the tool that takes place badly.
Each apparatus will be described in detail below.
As shown in fig. 2 and 3, the feeding detection device 1 has a feeding detection station 11, a plurality of slider jigs 12, a feeding identification device 13, and a feeding arm 14, each slider jig 12 is provided with a slider tag having a slider code, the feeding detection station 11 is used to detect whether the material is bad, the slider jigs 12 are sequentially transported through the feeding detection station 11, and the feeding identification device 13 is installed at the feeding detection station 11. The feeding mechanical arm 14 carries the materials at the feeding detection station 11, takes out the defective products and places them in the waste material box 15, takes out the good products and places them in the no-load tray jig of the first joint in sequence according to the point position serial number of the tray jig 21. When the feeding detection equipment 1 generates a bad signal, the feeding identification device 13 obtains the slide block code of the slide block jig 12 at the feeding detection station 11, and the control system 4 marks the slide block code as a bad slide block code.
As shown in fig. 4, the processing equipment 2 has a processing station 22, a plurality of tray jigs 21, and a processing identification device 23, the processing station 22 is used for processing good products into finished products, each tray jig 21 is provided with a tray label with a tray code, the tray jig 21 is provided with a plurality of point locations, each point location can place one good product, the tray jig 21 at a first junction is conveyed to the processing station 22 after being filled with the materials, the processing station 22 is provided with a processing jig 221 for positioning the good products, and the number of the point locations of the processing jig 221 is the same as that of the tray jig 21. Processing recognition device 23 installs in first handing-over department, when unloaded tray tool 21 moves first handing-over department, processing recognition device 23 acquires tray tool 21's tray code, record the incident and trace back the circulation as new round and begin this moment, control system is automatic for new circulation serial number, good product material is placed according to tray tool 21's point position serial number in proper order to material loading arm 14, move to machining position 22 after tray tool 21 fills up the material, the finished product of machining tool 221 and the good product material of tray tool 21 are replaced one-to-one, move to second handing-over department after tray tool 21 fills up the finished product, machining position 22 processes the good product material in the machining tool 221. It should be noted that the pallet jigs 21 in the processing equipment 2 are arranged in sequence according to the size of the pallet code, the good-quality material of the previous pallet jig 21 is processed into a finished product and then is put into the next pallet jig 21, when a bad signal occurs in the product detection station, the pallet code of the pallet jig 21 at the current second joint is obtained as the to-be-processed pallet code, and the previous pallet code of the to-be-processed pallet code is marked as the bad pallet code.
In some embodiments of the present invention, the number of the tray jigs 21 is 8, the serial numbers of the points are #1 to #8, the number of the tray jigs 21 is n, and the tray codes are 1# to n #. When the empty tray jig 21 enters the first junction, the processing and identifying device 23 collects the tray code of the tray jig 21, at this time, the recorded event is used as a new round of tracing cycle to start, and the control system 4 automatically numbers the new cycle.
After the new cycle begins, the feeding mechanical arm 14 grabs the good materials from the slider jig 12 and transfers the good materials to the pallet jig 21 at the first junction, at this time, the first transfer occurs, 8 good materials are sequentially placed on 8 points of the pallet jig 21, the tray jig 21 is operated to the processing station 22, 8 good-quality materials and 8 finished products of the processing station 22 are replaced one by one, at this time, the second transfer is carried out, the 8 good-quality materials carried by the tray jig 21 are replaced by finished products of the good-quality materials carried by the last tray jig 21, the association relationship between the transferred finished products and the tray jig 21 is changed, however, the order of the positions of the finished products on the tray jig 21 is not changed, the finished products enter the second junction along with the tray jig 21, the finished product detection equipment 3 completes the final detection, and the cycle is terminated after all the finished product detections are completed.
When a defective signal occurs at the finished product detection station, the control system 4 modifies the corresponding relationship between the transferred finished product and the tray jig, for example, if the tray code read by the finished product identification device is #3, the control system modifies the defective tray code to #2, and by analogy, when the processing equipment detects a defect, the tray code of the tray jig where the defective finished product is located can be traced.
In the preferred embodiment of the present invention, the pallet fixture 21 is cycled between a first interface, the processing station 22, and a second interface, marking the last pallet code as a bad pallet code when the code to be processed is the first pallet code. For example, the number of the tray jigs is 4, the last tray code is 4#, and if the tray code read by the finished product identification device is 1#, the control system corrects the bad tray code to 4 #.
As shown in fig. 5 and 6, the finished product detecting device 3 has a feeding position, a finished product detecting station, a turntable device 31, a finished product mechanical arm 32 and a finished product identifying device 33, the finished product detecting station is used for detecting whether a finished product is defective, the turntable device 31 is provided with a plurality of positioning seats, each positioning seat can pass through the feeding position and the finished product detecting station, the turntable device 31 can transport the finished product from the feeding position to the lower part of the finished product detecting station for detection, a fully loaded tray jig 21 is parked at a second junction to wait for the finished product to be taken out, the finished product identifying device 33 is installed at the second junction, the tray jig 21 passes through the finished product identifying device 33 when entering the finished product detecting device 3, the finished product identifying device 33 reads the tray code of the tray jig 21, at this time, an event is recorded as a new cycle, and the control system 4 automatically adopts a new cycle number. After a new cycle starts, the finished product mechanical arm 32 grabs the finished product from the tray jig 21 and transfers the finished product to the turntable device 31, at this time, a third transfer occurs, the finished product rotates along with the turntable device 31 and passes through the finished product detection station, and after all the finished product detection on the tray jig 21 is completed, the cycle is terminated.
When the finished product detection station sends a bad signal, the control system 4 traces back the bad point location serial number according to the step number of the turntable device 31, and binds the bad point location serial number with the bad tray code. For example, if the tray code read by the product reading device 33 is 3#, when the turntable device 31 rotates for 2 steps, the product at the #1 point arrives at the product detection station, and so on, when the turntable device 31 rotates for 3 steps, the product at the #2 point arrives at the product detection station, when the product detection station sends a failure signal, if the number of the rotation steps of the turntable device 31 is 6, the product at the #5 point is a failure product, that is, the number of the failure point is #5, and the control system 4 identifies that the failure occurs at the #5 point of the tray fixture positioned to the tray code of 2 #.
Because the tray jig 21 fully loaded with finished products waits before entering the finished product inspection device 3, a situation that the tray jig 21 is empty or the relationship between the finished products and the tray jig 21 is changed due to human interference may occur during the waiting process. Therefore, the empty position of the tray jig 21 needs to be detected.
In some embodiments of the invention, the finished product inspection apparatus 3 is provided with a feed buffer 34 and a transfer device, the feed buffer 34 being used for parking individual finished products, the transfer device being used for feeding the finished products on the feed buffer 34 to a positioning seat of a feed station, the feed station being provided with a feed vacancy sensor 35 and an additional vacancy sensor 36. The feed vacancy sensor 35 has a higher priority than the additional vacancy sensor 36, i.e. the rotary table means 31 is moved forward one step when the feed vacancy sensor 35 detects the presence of finished products, and the rotary table means 31 is not moved when the feed vacancy sensor 35 detects the absence of finished products. The purpose of the additional vacancy sensor 36 is to avoid a vacancy misjudgment, when the feed vacancy sensor 35 detects the presence of a finished product, but the additional vacancy sensor 36 detects the absence of a finished product, when the rotary table device 31 has moved forward by one step, it is necessary to reduce the number of steps of the rotary table device 31 by 1, that is, the rotary table device 31 rotates backward by one step and returns to the original position. When the feeding vacancy sensor 35 or the additional vacancy sensor 36 detects that no finished product exists, the control system 4 identifies the vacancy point location serial number according to the picking times of the finished product mechanical arm 32 and the detection signal of the vacancy sensor, and skips over the vacancy point location serial number when tracing the bad point location serial number.
For example, the finished product identifying device 33 reads the tray code of the tray fixture, at this time, a new round of tracing back cycle is started, the finished product mechanical arm 32 takes one finished product from the tray fixture 21 each time, when the feeding vacancy sensor 35 and the additional station sensor 36 both detect that a finished product exists, the turntable device 31 rotates forward 1 step, the finished product at the #1 point is transported forward one step from the feeding position, when the finished product mechanical arm 32 takes a finished product from the tray fixture 21 for the 4 th time, and the feeding vacancy sensor 35 or the additional station sensor 36 detects that no finished product exists, the #4 point is a vacancy, that is, the vacancy point number is #4, when the product detection station sends a failure signal, if the rotating step number of the turntable device 31 is obtained to be 6, the #4 is skipped when the failure point number is obtained, that the failure point number is #6, the control system 4 identifies that the #4 positioned to the tray fixture with the tray code of 2# is a vacancy, and the #6 point of the tray jig of the tray code 2# is defective.
In a preferred embodiment of the present invention, the finished product detecting apparatus 3 is further provided with a detection buffer area 37, the detection buffer area 37 is located between the second junction and the feeding buffer area 34, the finished product mechanical arm 32 takes out a finished product from the tray jig 21 and places the finished product in the detection buffer area 37, the detection buffer area 37 is provided with a buffer vacancy sensor 38 for detecting whether the finished product exists or not, the finished product is transferred from the detection buffer area 37 to the feeding buffer area 34, the buffer vacancy sensor 38, the feeding vacancy sensor 35 and the additional vacancy sensor 36 jointly detect whether the tray jig 21 is vacant, if any one vacancy sensor detects that the finished product does not exist, the corresponding point location serial number is a vacancy point serial number, and vacancy misjudgment is avoided.
In some embodiments of the present invention, the finished product detecting apparatus 3 is provided with a discharging position, more than two finished product detecting stations of different types, and a discharging mechanical arm 39, the discharging mechanical arm 39 is used for conveying finished products at the discharging position, when a defective signal occurs at the finished product detecting station, the control system obtains the number of steps of the current turntable device to trace back the serial number of the defective point, and when a finished product with the serial number of the defective point rotates to the discharging position, the discharging mechanical arm 39 is controlled to take out the finished product and place the finished product in the defective product box 300 of the corresponding type. It should be noted that the finished products rotate along with the rotation of the turntable device 31 and successively pass through the finished product detection stations, and when more than two finished product detection stations send out bad signals, the finished products with bad point position numbers are placed in the bad product box 300 of the type corresponding to the first finished product detection station sending out the bad signals.
For example, if three finished product detection stations are provided, the finished product detection stations are arranged at intervals, and two adjacent finished product detection stations differ by 1 step, the tray code read by the finished product reading device is 3#, when the turntable device rotates for 2 steps, the finished product at the #1 point arrives at the first finished product detection station 301, when the turntable device 31 rotates for 3 steps, the finished product at the #1 point arrives at the second finished product detection station 302, the finished product at the #2 point arrives at the first finished product detection station 301, when the turntable device 31 rotates for 4 steps, the finished product at the #1 point arrives at the third finished product detection station 303, the finished product at the #2 point arrives at the second finished product detection station 302, the finished product at the #3 point arrives at the first finished product detection station 301, when the second finished product detection station 302 sends a bad signal, if the number of rotation steps of the turntable device 31 is 5, the finished product at this time at the second finished product detection station 302 is the #3 point, that is, the defective point number is #3 and the defective type is the second defective type, and if the #2 point is a null point, #2 is skipped when tracing back the defective point number, that is, the defective point number is #4 and the defective type is the second defective type. It should be understood that the number of steps of transferring finished products with different point position serial numbers to the discharging position can be estimated, and the control system controls the discharging mechanical arm to convey the finished products to the good product boxes or the corresponding types of defective product boxes 300 when the finished products are transferred to the discharging position according to the detection signals of the processing detection stations.
Because the point location serial number of the tray jig 21 and the processing stations of the processing equipment are in a one-to-one corresponding fixed relationship, when the defective point location serial number of the tray jig 21 is traced back, the serial number of the processing station can also be positioned through the fixed corresponding relationship, and the defect of the equipment can be accurately traced back. The equipment defect tracing system is suitable for production and processing of various products, such as motor stators and the like, materials of the feeding detection equipment 1 are semi-finished stator products, the processing station of the processing equipment 2 is provided with a winding machine head, and three finished product detection stations of the finished product detection equipment 3 are respectively a voltage resistance detection station, a short circuit detection station and a resistance detection station.
As shown in fig. 7, in order to realize information reading of device data, a protocol processor is added on the basis of the existing device, each device is independently provided with a PLC register for controlling the device operation state and an HMI human machine interface connected with the PLC register, the protocol processor adopts a protocol processor PPU with a dual communication interface to access the PLC register, data is output through an ethernet interface of the protocol processor, the addition of the protocol processor does not affect the communication between the original HMI human machine interface and the PLC register, that is, the PLC networking end is converted into an ethernet bus through a PLC data bus. The control system 4 includes: the industrial personal computer 42 collects the operation data of each device and counts bad signals to form a chart, and workshop production personnel can find the defects of the devices in time. The switch 41 uploads the operation data to the cloud through the router 43, and the data billboard 44, the edge gateway 45 and other devices are also accessed to the switch 41 in the ethernet access manner.
It should be noted that in some embodiments of the present invention, the tag uses a short-distance radio frequency industrial RFID as the identification mark of the slider jig and the tray jig, and compared with optical one-dimensional code and two-dimensional code identification, the RFID has the advantages of good environmental adaptability, maintenance-free property, pollution resistance, metal resistance, shock resistance, etc., and is suitable for the working environment of a workshop, and the RFID tag is selected from the standard 13.56MHZ ISO 15693. The identification device adopts an industrial-grade RFID reader-writer, has the characteristics of high receiving sensitivity, stable performance, strong reliability, interference resistance, metal resistance, vibration resistance and the like, supports RS485 interface communication and MODBUS protocol during working, and can be directly installed near a track where the jig runs. Considering the requirements of narrow working environment of the jig and the installation stability of the RFID, the RFID chip is installed in a groove position with specifications such as the RFID chip and the like hollowed out on the original jig by adopting a CNC (computerized numerical control) process, and the surface is sealed and processed to protect the jig from damage and dirt.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. An equipment defect tracing system, comprising:
the feeding detection equipment is provided with a feeding detection station for detecting whether the materials are bad or not and a plurality of sliding block jigs for placing the materials, the sliding block jigs sequentially pass through the feeding detection station, each sliding block jig is provided with a sliding block label with a sliding block code, and a feeding identification device for identifying the sliding block label is arranged at the feeding detection station;
the processing equipment is provided with a processing station for processing the good-product materials into finished products and a plurality of tray jigs for placing the good-product materials, each tray jig sequentially passes through the processing station, each tray jig is provided with a tray label with a tray code, a first connecting part is arranged between the feeding detection equipment and the processing equipment, an unloaded tray jig is parked at the first connecting part to wait for the good-product materials to be loaded, and a processing identification device for identifying the tray label is installed at the first connecting part;
the finished product detection equipment is provided with a feeding position, a finished product detection station for detecting whether the finished product is bad or not and a turntable device for transferring the finished product from the feeding position to the position below the finished product detection station, a second joint is arranged between the processing equipment and the finished product detection equipment, a fully loaded tray jig is parked at the second joint to wait for the finished product to be taken out, and a finished product identification device for identifying a tray label is installed at the second joint;
and the control system receives the detection data of the feeding detection equipment, the processing equipment and the sheet forming detection equipment and identifies and positions the defective jig.
2. The equipment defect tracing system of claim 1, wherein when a bad signal occurs to the feeding detection equipment, the control system obtains a slider code of a slider jig at the feeding detection station through the feeding identification device, marks the slider code as a bad slider code, and takes out and places the bad material into a waste material box.
3. The equipment defect tracing system of claim 1, wherein the tray jig is provided with a plurality of points, each of the points is used for placing one good material, the processing station is provided with a processing jig for positioning the good materials, the number of the points of the processing jig is the same as that of the points of the tray jig, the finished products of the processing jig and the good materials of the tray jig are replaced one by one, and the tray jig is operated to the second junction after being filled with the finished products;
the tray fixtures are sequentially arranged according to the size of the tray code, the good-product materials of the previous tray fixture are processed into finished products and then placed into the next tray fixture, when the finished product detection station generates a bad signal, the control system acquires the tray code of the current tray fixture at the second joint as the to-be-processed tray code, and marks the previous tray code of the to-be-processed tray code as the bad tray code.
4. The equipment defect traceability system of claim 3, wherein the pallet fixture is cycled between the first interface, the processing station and the second interface, and when the code to be processed is the first pallet code, the last pallet code is marked as a bad pallet code.
5. The equipment defect traceability system of claim 1, wherein the carousel means is provided with a plurality of positioning seats, each of which is capable of passing through the feed location and the product inspection station;
tray tool's point location is equipped with the point location serial number, the finished product is taken out one by one and is placed in proper order according to the big or small order of point location serial number on the positioning seat of feeding material level, the carousel device rotates will the finished product is sent to in proper order the finished product detects the station and detects, works as when the finished product detects the station and sends bad signal, control system is according to the bad point location serial number is traceed back to the step number of carousel device.
6. The equipment defect tracing system of claim 5, wherein said finished product inspection equipment is provided with a feed buffer and a transfer device, said feed buffer is used for parking a single finished product, said transfer device is used for conveying the finished product on said feed buffer to a positioning seat of said feed position, said feed position is provided with a feed vacancy sensor and an additional vacancy sensor;
when finished products are detected by the feeding vacancy sensor and the additional vacancy sensor, the finished products are conveyed forward by one step by the turntable device, and the number of the steps of the turntable device is increased by 1;
when the feeding vacancy sensor or the additional vacancy sensor detects no finished product, the step number of the turntable device is unchanged, and the control system identifies the vacancy point position serial number according to the detection signal of the vacancy sensor;
and skipping the vacancy point location serial number by the control system when tracing the defective point location serial number according to the step number of the turntable device.
7. The equipment defect tracing system of claim 6, wherein said finished product inspection equipment further comprises an inspection buffer, said inspection buffer is located between said second junction and said feeding buffer, said finished product is transferred to said inspection buffer and said feeding buffer in sequence, said inspection buffer is provided with a buffer vacancy sensor for inspecting whether a finished product is present or not.
8. The equipment defect tracing system of claim 5, wherein the finished product inspection equipment is provided with a material discharge position and two or more different types of finished product inspection stations, and the control system obtains the current step number of the turntable device to trace back the sequence number of the bad point when the bad signal occurs at the finished product inspection station, and takes out and places the finished product with the sequence number of the bad point in the corresponding type of bad product box when the finished product rotates to the material discharge position.
9. The equipment defect tracing system of claim 8, wherein said finished products rotate along with said turntable device and pass through said finished product detection stations in sequence, when more than two of said finished product detection stations send out bad signals, the finished products with said bad point position serial numbers are placed in the bad product boxes of the type corresponding to the first finished product detection station sending out the bad signals.
10. The equipment defect tracing system according to any one of claims 1 to 9, wherein each equipment is independently provided with a PLC register for controlling an operation state of the equipment, an HMI human-machine interface connected to the PLC register, and a protocol processor connected to the PLC controller;
the control system includes: connect each protocol processor's switch, with industrial computer and the router that the switch is connected, the industrial computer gathers the operational data of each equipment and makes statistics of bad signal and forms the chart, the switch passes through the router will the operational data uploads to the high in the clouds.
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| CN202210334138.XA CN114682519A (en) | 2022-03-31 | 2022-03-31 | Equipment defect tracing system |
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| CN202210334138.XA CN114682519A (en) | 2022-03-31 | 2022-03-31 | Equipment defect tracing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114939757A (en) * | 2022-07-07 | 2022-08-26 | 苏州小牛自动化设备有限公司 | Battery tool detection method, detection device and battery manufacturing system |
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