CN114408517A - Automatic product detection line and detection method - Google Patents
Automatic product detection line and detection method Download PDFInfo
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- CN114408517A CN114408517A CN202210311145.8A CN202210311145A CN114408517A CN 114408517 A CN114408517 A CN 114408517A CN 202210311145 A CN202210311145 A CN 202210311145A CN 114408517 A CN114408517 A CN 114408517A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G57/00—Stacking of articles
- B65G57/30—Stacking of articles by adding to the bottom of the stack
- B65G57/301—Stacking of articles by adding to the bottom of the stack by means of reciprocatory or oscillatory lifting and holding or gripping devices
- B65G57/302—Stacking of articles by adding to the bottom of the stack by means of reciprocatory or oscillatory lifting and holding or gripping devices added articles being lifted to substantially stationary grippers or holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G59/00—De-stacking of articles
- B65G59/06—De-stacking from the bottom of the stack
- B65G59/061—De-stacking from the bottom of the stack articles being separated substantially along the axis of the stack
- B65G59/062—De-stacking from the bottom of the stack articles being separated substantially along the axis of the stack by means of reciprocating or oscillating escapement-like mechanisms
- B65G59/063—De-stacking from the bottom of the stack articles being separated substantially along the axis of the stack by means of reciprocating or oscillating escapement-like mechanisms comprising lifting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0235—Containers
- B65G2201/0258—Trays, totes or bins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/041—Camera
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Controlling Sheets Or Webs (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses an automatic product detection line and a detection method, which comprise a case, a feeding device, a detection transmission line, a detection device, a discharging device, a recovery transmission line and a control system, wherein the detection transmission line comprises a detection transmission guide rail and a plurality of detection prestoring devices; the detection device comprises at least one detection area, each detection area and a moving area are arranged between the detection transmission lines, and the detection areas comprise at least two of a pre-thrust detection area, an appearance defect detection area and a part distance difference detection area. The invention realizes the integration of detection items in a set of detection lines, and reduces the volume of equipment; whether have the product to adjust the removal state that detects the product on the transmission line according to detecting in the detection zone through a plurality of detection prestore device on the detection transmission line, solved the condition that the detection line is paralysed that causes with product detention that leaks to examine and exist among the prior art, detection efficiency is higher, and degree of automation is higher.
Description
Technical Field
The invention relates to the technical field of nonstandard automation equipment, in particular to an automatic product detection line and a detection method.
Background
At present, after production of products is finished, particularly precision parts, the products can be put into use after being qualified through various detections such as pre-thrust detection, appearance detection, distance difference detection, air tightness detection and the like, each detection step needs to be provided with a set of special detection line, each set of detection line generally needs to comprise a feeding device, a transmission device, a detection device and a transmission device, the equipment volume is large, the device is complicated, the requirement on the area of a factory building is high, and the production capacity of enterprises is limited; because the time required by each detection item is different, the detection speed can not be regulated and controlled when the detection items are on the same assembly line, and other detection items can be influenced when one detection item is limited. When the product that needs detected is more, the last product of transmission device is more, and detection device's detection pressure is great, can appear missing usually examining the product or the product is detained and is caused the paralysed condition of detection line to influence holistic detection effect and detection efficiency. In the prior art, a pause transmission device is usually adopted to wait for the product in the detection device to be restarted or increase the detection device after detection is finished so as to solve the problems, the detection time is obviously increased in the pause transmission device, the detection efficiency is lower, the volume and the complexity of the detection device are obviously increased in the detection device, the production benefit of an enterprise is reduced, and the production cost is increased.
Therefore, the product automatic detection line is developed, a plurality of detection items can be integrated on one detection line to reduce the volume of equipment, meanwhile, the movement rate of products on the detection line is controlled to control the whole detection process, the problems of missed detection and paralysis existing in the existing detection line can be solved, the detection time is shortened, the detection efficiency is further improved, and the product automatic detection line obviously has practical significance.
Disclosure of Invention
The invention aims to provide an automatic product detection line and a detection method, which integrate a plurality of detection items for synchronous detection and avoid the conditions of detection omission and detection line paralysis.
In order to achieve the purpose, the invention adopts the technical scheme that: an automatic product detection line comprises a case, a feeding device, a detection transmission line, a detection device, a discharging device, a recovery transmission line and a control system, wherein the feeding device, the detection transmission line, the detection device, the discharging device and the recovery transmission line are all arranged above the case; the detection transmission line and the recovery transmission line are positioned on two sides of the upper end face of the case, and the feeding device, the detection device and the discharging device are distributed between the detection transmission line and the recovery transmission line;
the feeding device is internally provided with a plurality of empty trays, and is used for placing products on the empty trays to form full-load trays and transporting the full-load trays with the products to the detection transmission line;
the detection transmission line comprises a detection transmission guide rail and a plurality of detection pre-storage devices, and the detection transmission guide rail is used for transmitting a full-load tray with products to the detection devices and the discharging devices;
the detection pre-storage device is positioned at one side of the detection device; the detection prestoring device is used for limiting a full-load tray on the detection transmission guide rail to wait for being input into the detection device when the existing product in the detection device is detected;
the detection device comprises at least one detection area, a moving area is arranged between each detection area and the detection transmission line, the moving area comprises at least one transfer device, and the transfer device is used for moving a full-load tray back and forth between the detection transmission line and the detection area; the detection area comprises one of a pre-thrust detection area, an appearance defect detection area and a part distance difference detection area, the pre-thrust detection area is used for detecting the displacement generated when a part in a product is subjected to pre-thrust, and the part distance difference detection area is used for detecting the distance difference between the parts of the product;
the blanking device comprises a blanking moving mechanism, a blanking transmission device and a plurality of product placing areas, wherein the blanking transmission device is positioned below the blanking moving mechanism, and moves among the product placing areas; the blanking moving mechanism is used for moving products in a full-load tray to a product placing area and moving an empty tray after the products are moved to a recovery conveying line;
the recovery conveying line comprises a recovery conveying guide rail, and the recovery conveying guide rail is used for moving empty trays from the blanking moving mechanism to the feeding device.
Preferably, a plurality of rows of product placing positions are arranged on the full-load tray and the empty tray, and the number of product placing holes in each row of product placing positions is the same.
Preferably, the detection transmission guide rail and the recovery transmission guide rail respectively comprise two guide rail devices, a gap is formed between the two guide rail devices, and the width of the empty tray and the width of the full-load tray are both larger than the width of the gap.
Preferably, each guide rail device comprises a guide rail fixing device, a plurality of synchronous wheels uniformly distributed on the guide rail fixing device and a synchronous belt used for connecting the synchronous wheels; the full-load tray and the empty tray are placed on the synchronous belt.
Preferably, the detection pre-storing device comprises one or a combination of a limiting device and a stacking device.
Preferably, the stacking device comprises a first jacking mechanism located below the detection transmission guide rail and two first stacking and clamping devices located on two sides of the detection transmission guide rail, the first jacking mechanism is used for jacking full-load trays on the detection transmission guide rail into the first stacking and clamping devices on two sides, and the first stacking and clamping devices on two sides are used for stacking full-load trays.
Preferably, the first jacking mechanism comprises a first jacking cylinder and a first jacking plate connected to an output end of the first jacking cylinder, and the width of the first jacking plate is smaller than that of a gap between two guide rails in the detection transmission guide rail, namely the first jacking plate can be jacked and penetrates through the detection transmission guide rail to reach the first stacking and clamping device.
Preferably, each first stacking and clamping device comprises a second limiting support and a first clamping mechanism, the first clamping mechanism comprises a first clamping cylinder and a first clamping block connected to the output end of the first clamping cylinder, and a first groove for the first clamping block to pass through is formed in the bottom of the second limiting support.
Preferably, the distance between the two second limit brackets is larger than the width of the full-loading tray.
Preferably, a first in-position sensor is arranged on one side, close to the feeding device, of one first stacking and clamping device, and the first in-position sensor is used for detecting whether the full-loaded tray runs to the first stacking and clamping device; and a code reader is arranged on one side of the other first stacking and clamping device, which is close to the detection device.
In the above, the use method of the stacking device is: when the first in-place sensor senses that the full-load material tray is conveyed to the stacking device, the first clamping mechanisms on the two sides move towards one side far away from the detection transmission guide rail, then the first jacking mechanism jacks the full-load material tray into the second limiting supports on the two sides, and at the moment, the first clamping mechanisms on the two sides move towards one side close to the detection transmission guide rail and penetrate through the first grooves until the full-load material tray can be placed on the first clamping blocks; the first jacking mechanism falls below the detection conveying guide rail; when the full-load tray is placed into the detection and transmission guide rail again, the first jacking mechanism is jacked to be in contact with the full-load tray at the lowest layer, the first clamping mechanisms at the two sides move towards one side far away from the detection and transmission guide rail, and the first jacking mechanism drives the full-load tray to descend, and simultaneously, the first clamping mechanisms at the two sides move towards one side close to the detection and transmission guide rail to ensure that the first jacking mechanism only takes away the full-load tray at the lowest layer; however, the stacking apparatus still has the following problems during use: when full-load trays exist in the stacking device, the first clamping mechanisms on two sides need to be moved to one side far away from the detection transmission guide rail to push the full-load trays on the first jacking mechanism into the stacking device when the full-load trays are stacked, dislocation is easy to occur between the full-load trays in the process, the stacking relation between the full-load trays is not stable, the more full-load trays are stacked in the stacking device, the more dislocation between the full-load trays is obvious, and the situation that the full-load trays fall from the stacking device is likely to occur, so that the number of the full-load trays which can be stacked in the stacking device is limited; secondly, when a full-load tray in the stacking device is placed into the detection transmission guide rail again, the full-load tray is easy to fall off; however, the speed that product detected in this application detection zone is very fast, and the quantity that piles up full-load charging tray among the device is not many in the testing process, and the in-process that full-load charging tray piled up in piling up the device and the in-process that full-load charging tray from piling up the device and fall to detecting the transmission guide rail, and the problem that full-load charging tray piles up and drops all can not take place.
When the first jacking mechanism jacks up the full-load tray, the height of the full-load tray jacked up should be higher than the height of the first clamping block.
Preferably, the limiting device comprises a limiting cylinder positioned on one side of the detection transmission guide rail and a limiting mechanism connected to the output end of the limiting cylinder.
Preferably, the limiting mechanism comprises a first limiting support and a limiting block connected to the first limiting support, and the limiting block is elastically connected with the first limiting support through a spring.
Preferably, a second in-place sensor is arranged below the limiting mechanism and used for detecting whether the full-load tray runs to the limiting mechanism or not.
In the above, the position-limiting device is disposed on one of the rail devices, and the use method of the position-limiting device is as follows: when the second in-place sensor senses that the full-load tray is conveyed to the position of the limiting device, the limiting cylinder drives a limiting block in the limiting mechanism to move towards a direction perpendicular to the conveying direction of the detection conveying guide rail on the horizontal plane until the limiting block is contacted with one side, close to the limiting device, of the full-load tray, the limiting cylinder continues to operate, and at the moment, the limiting block drives the full-load tray to move towards the direction perpendicular to the conveying direction of the detection conveying guide rail on the horizontal plane until the full-load tray is contacted with the guide rail fixing device on the guide rail device without the limiting device; until the spring compresses tightly, the stopper has pushed away the full-load charging tray from the hold-in range and sticiss and restrict the operation of full-load charging tray on the guide rail fixing device.
Preferably, the recycling transmission line further comprises at least one recycling pre-storage device; the recovery prestoring device is used for limiting an empty tray waiting for backflow into the feeding device to wait for entering the feeding device.
Preferably, retrieve and prestore the device including being located retrieve the second climbing mechanism of transmission guide below and being located detect two seconds of transmission guide both sides and pile up clamping device, every the second piles up clamping device and all includes a spacing support of third and second clamping mechanism, second clamping mechanism includes second die clamping cylinder and connects the second on second die clamping cylinder output and presss from both sides tight piece, the bottom of the spacing support of third is provided with the confession the second recess that the tight piece of second clamp passed through.
Preferably, the distance between the two third limiting brackets is greater than the width of the empty tray.
Preferably, the thrust detection area in advance includes at least one thrust detection mechanism in advance and with the station is placed to the product that thrust detection mechanism corresponds in advance, every thrust detection mechanism in advance all includes thrust device and is located the thrust detection device in advance of thrust device top, the product is placed the station and is used for placing full-load charging tray and is in thrust device with thrust detection device's intermediate position round trip movement in advance.
Preferably, a product placing and moving device is arranged below the product placing station and drives the full-load tray on the product placing station to move to the position above the thrust device.
Preferably, each thrust device comprises a thrust lifting device, a plurality of thrust loading devices positioned on the thrust lifting device and a plurality of product pressing heads positioned on two sides of the thrust loading devices.
Preferably, each pre-thrust detection device comprises a detection lifting device and a plurality of probes which are connected above the detection lifting device and are placed in parallel, one probe corresponds to one thrust loading device, and the probes are used for detecting the displacement of a product.
Preferably, each thrust loading device comprises a pressure sensor and a push rod positioned above the pressure sensor, each product pressure head comprises a product pressure head moving device and a product pressing block connected to the product pressure head moving device, and the pressure sensor is used for reading the force of the push rod pushing the product.
Preferably, the number of thrust loading devices, the number of product rams and the number of probes are the same.
Preferably, one side of each push rod is connected with a push rod moving device, an inner cavity for the product to enter is formed in the product pressing block, and the push rods are used for ejecting the product from a full-load tray and ejecting the product into the inner cavity of the product pressing block.
Preferably, the number of product placement holes in each row of product placement locations is the same as the number of thrust loading means.
In the above, the detection method of the pre-thrust detection device is as follows: when the product placing and moving device drives the full-load tray to move, and when the product placing holes in the product placing positions in the row on the full-load tray correspond to the positions of the push rods in the thrust loading device, the product placing and moving device stops driving; at the moment, the push rod pushes the product to the same height, and the detection lifting device drives the probe to move to the product position to be in contact with the upper end face of the product; the push rod pushes the product upwards to the product pressure head according to the fixed pressure, the displacement of the product is read through the probe, data are transmitted to the control system, and the data are compared with a set threshold value; after the detection of the placement holes of one row of products is finished, the push rod falls down to place the products back into the placement holes of the products, the product placement moving device drives the full-load tray to move to detect the products in the placement holes of the next row of products, and until all the products are detected, the product placement moving device drives the full-load tray to move towards the direction close to the moving area.
Preferably, a plurality of standard parts are workpieces with the same material, shape and size as the product to be measured, the standard parts are placed in the pre-thrust detection device, pre-thrust detection is performed on the standard parts according to the detection method, and after detection is completed, the average value of the displacement values of the standard parts read by the probe is obtained, and the obtained value is the set threshold value.
In the above, after the push rod pushes the product to the same height, the pressure sensor adjusts 0; the same height that the push rod pushes the product is preferably that the push rod pushes the product to make the upper end face of the product flush with the lower end face of the product pressure head.
Preferably, the part distance difference detection area comprises at least one distance difference detection device and a distance difference detection moving device located below the distance difference detection device, the distance difference detection device comprises a laser camera and an adjusting device, and the distance difference detection moving device is used for moving the product from the moving area to the distance difference detection device.
Preferably, the distance difference detection moving device is connected with a carrier for placing the full-load tray, and the carrier is provided with a plurality of positioning pins.
Preferably, the adjusting device comprises a transverse moving device for driving the laser camera to move along the detection direction and an angle adjusting mechanism connected to the transverse moving device, and the angle adjusting mechanism is used for adjusting the rotating angle of the laser camera so as to adjust the laser irradiation area of the laser camera.
Preferably, the appearance detection area comprises an appearance detection moving mechanism for placing and moving a full-load tray and a detection camera positioned above the appearance detection moving mechanism; the appearance detection moving mechanism comprises an X-axis moving mechanism and an appearance detection rotating device arranged on the X-axis moving mechanism.
Preferably, the transfer device comprises one or a combination of a cam transfer mechanism and a transverse transfer mechanism, and a product in-place detection sensor is arranged at each transfer device.
Preferably, unloading transmission device includes that first product places the district and the district is placed to the second product, first product is placed and is provided with a plurality of layers of material collecting tray in the district, first product is placed the district and is arranged in receiving the product that comes from unloading moving mechanism and place this product into the superiors material collecting tray, works as when the superiors material collecting tray in the district is placed to first product is filled up, unloading transmission device places the superiors material collecting tray in the district with first product and removes to the second product and place the district in and pile up.
Preferably, the control system is located inside the case, the control system includes a driving unit, a data processing unit and a main control system, the data processing unit is used for receiving data from the detection device and comparing the data to judge whether the data is an NG material or an OK material, and recording the judgment result, the main control system is used for receiving product in-place data acquired by the first in-place sensor, the second in-place sensor and the product in-place detection sensor, converting the product in-place data into a control signal and transmitting the control signal to the driving unit, and the driving unit is used for driving the operation of the feeding device, the detection transmission line, the detection device, the blanking device and the recovery transmission line in the equipment.
The application also claims a product automatic detection method, which adopts the product automatic detection line and comprises the following specific steps:
s1, placing products on the empty trays by the feeding device to form full-load trays, and transporting the full-load trays with the products to the detection transmission line;
s2, after the control system detects a product to the detection pre-storage device, the control system judges whether a full-load tray is detected in the corresponding detection area, if so, the detection pre-storage device limits the full-load tray on the detection transmission guide rail to wait for being input into the detection area, and after the full-load tray in the detection area is detected and is moved out of the detection device, the detection pre-storage device replaces the full-load tray on the detection transmission guide rail; if not, continuing to transmit to the corresponding detection area;
s3, the transfer device in the moving area moves the full-load tray from the detection transmission guide rail to the detection area for detection, the detected data are transmitted to the control system, data comparison is carried out to judge whether the full-load tray is an NG material or an OK material, and the judgment result is recorded;
s4, after all the products on the full-load tray are detected in the step S3, the moving device in the moving area moves the full-load tray from the detection area to the detection transmission guide rail;
s5, repeating the steps S2-S4 until all detection areas detect the products on the full-load tray, and moving the full-load tray to a blanking device by the detection transmission guide rail;
s6, moving the products in the full-load tray to one product placing area by a blanking moving mechanism in the blanking device;
s7, after the products in the full-load tray are all moved away, the full-load tray is changed into an empty tray, and the blanking moving mechanism moves the empty tray after the products are moved to a recovery conveying line;
s8, moving the empty tray from the blanking moving mechanism to the feeding device by the recovery transmission guide rail on the recovery transmission line for feeding;
and S9, repeating the steps S1-S8 until all the products are detected.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the invention, the detection transmission line is arranged, and the detection areas are sequentially distributed on the detection transmission line so as to correspond to the detection items, so that the detection item integration is realized in one detection line, and the equipment volume is reduced; the moving state of the products on the detection transmission line is adjusted by detecting a plurality of detection prestoring devices on the transmission line according to whether the products are detected in the detection area, so that a plurality of products can be detected simultaneously, the problem that detection lines are paralyzed due to missing detection and product retention in the prior art is solved, and the detection efficiency is higher;
2. the pre-thrust detection mechanism can be used for detecting a plurality of products at the same time, the detection efficiency is higher, the products are pre-thrust by setting the pre-thrust to detect whether the moving distance of the products reaches the standard or not, and the detection precision is higher; the distance difference detection device provided by the invention can adjust the laser camera to adapt to different products, and has wider detection range and higher detection precision;
3. the invention controls the transportation of the empty tray and the full tray in the feeding device, the detection transmission line, the detection device, the discharging device and the recovery transmission line through the control system, the devices are closely matched, the whole process is smooth, the product circulation can be realized without pause or manual operation, the automatic switching between the empty tray and the full tray can be realized, the automation degree is higher, and the recovery utilization rate is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that some of the drawings in the following description are embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic overall structure diagram according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a detection transmission line according to a first embodiment of the invention;
fig. 3 is a schematic structural diagram of a first stacking and clamping device according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a blanking conveying device and a product placement area in the first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a pre-thrust detection region in a second embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a thrust unit according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of a part distance difference detection area according to a second embodiment of the present invention.
Wherein, 1, a case; 2. a feeding device; 3. detecting the transmission line; 4. a detection device; 5. a blanking device; 6. recovering the transmission line; 7. recovering the prestoring device; 8. a product placement position; 9. a product placement hole;
31. detecting a transmission guide rail; 32. detecting a pre-storage device; 33. a guide rail device; 34. a gap; 35. a limiting device; 36. a stacking device; 37. a first jacking mechanism; 38. a first stack clamping device; 39. a first in-position sensor; 40. a code reader;
351. a limiting cylinder; 352. a limiting mechanism; 353. a first limit bracket; 354. a limiting block; 355. a spring;
371. a first jacking cylinder; 372. a first jacking plate;
381. a second limit bracket; 382. a first clamping mechanism; 383. a first clamping cylinder; 384. a first clamping block; 385. a first groove;
41. a detection zone; 42. a moving area; 43. a pre-thrust detection zone; 44. a part distance difference detection area;
431. a pre-thrust detection mechanism; 432. a product placement station; 433. a thrust device; 434. a pre-thrust detection device; 435. a product placement moving device; 436. a thrust lifting device; 437. a thrust loading device; 438. a product pressure head; 439. detecting a lifting device; 440. a probe;
4371. a pressure sensor; 4372. a push rod;
441. distance difference detecting means; 442. detecting a mobile device for distance differences; 443. a laser camera; 444. an adjustment device; 445. a carrier; 446. a lateral movement device; 447. an angle adjusting mechanism;
51. a blanking moving mechanism; 52. a blanking transmission device; 53. a product placement area; 54. a material receiving tray.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1-4, an automatic product detection line includes a case 1, a feeding device 2, a detection transmission line 3, a detection device 4, a discharging device 5, a recovery transmission line 6, and a control system, wherein the feeding device 2, the detection transmission line 3, the detection device 4, the discharging device 5, and the recovery transmission line 6 are all disposed above the case 1; the detection transmission line 3 and the recovery transmission line 6 are positioned at two sides of the upper end surface of the case 1, and the feeding device 2, the detection device 4 and the discharging device 5 are distributed between the detection transmission line 3 and the recovery transmission line 6;
a plurality of empty trays are arranged in the feeding device 2, the feeding device 2 is used for placing products on the empty trays to form full-load trays, and the full-load trays with the products are conveyed to the detection conveying line 3;
the detection transmission line 3 comprises a detection transmission guide rail 31 and a plurality of detection pre-storage devices 32, wherein the detection transmission guide rail 31 is used for transmitting a full-load tray with products to the detection device 4 and the blanking device 5;
the detection pre-storage device 32 is positioned at one side of the detection device 4; the detection pre-storage device 32 is used for limiting a full-load tray on the detection transmission guide rail 31 to wait for being input into the detection device 4 when the existing product in the detection device 4 is detected;
the detection device 4 comprises at least one detection area 41, a moving area 42 is arranged between each detection area 41 and the detection conveying line 3, the moving area 42 comprises at least one transfer device, and the transfer device is used for moving a full tray back and forth between the detection conveying line 3 and the detection area 41; the detection area 41 comprises one of a pre-thrust detection area, an appearance defect detection area and a part distance difference detection area, wherein the pre-thrust detection area is used for detecting the displacement generated when a part in a product is subjected to pre-thrust, and the part distance difference detection area is used for detecting the distance difference between the parts of the product;
the blanking device 5 comprises a blanking moving mechanism 51, a blanking transmission device 52 positioned below the blanking moving mechanism 51 and a plurality of product placing areas 53, wherein the blanking transmission device 52 moves among the product placing areas 53; the blanking moving mechanism 51 is used for moving products in a full-load tray to the product placing area 53 and moving an empty tray after the products are moved to the recovery conveying line 6;
the recycling line 6 includes a recycling transfer rail for transferring empty trays from the discharging moving mechanism 51 to the loading device 2.
Furthermore, a plurality of rows of product placing positions 8 are arranged on the full-load tray and the empty tray, and the number of the product placing holes 9 in each row of the product placing positions 8 is the same.
Further, detect transmission guide 31 with retrieve transmission guide and all include two rail set 33, two be provided with clearance 34 between the rail set 33, the width of empty charging tray and full-load charging tray all is greater than the width of clearance 34.
Further, each of the guide rail devices 33 includes a guide rail fixing device, a plurality of synchronizing wheels uniformly distributed on the guide rail fixing device, and a synchronizing belt for connecting the synchronizing wheels; the full-load tray and the empty tray are placed on the synchronous belt.
Further, the detecting and pre-storing device 32 includes a limiting device 35 and a stacking device 36.
Further, the stacking device 36 includes a first jacking mechanism 37 located below the detection conveying guide rail 31 and first stacking and clamping devices 38 located on two sides of the detection conveying guide rail 31, the first jacking mechanism 37 is used for jacking full trays on the detection conveying guide rail 31 into the first stacking and clamping devices 38 on two sides, and the first stacking and clamping devices 38 on two sides are used for stacking full trays.
Further, the first jacking mechanism 37 includes a first jacking cylinder 371 and a first jacking plate 372 connected to an output end of the first jacking cylinder 371, a width of the first jacking plate 372 is smaller than a width of the gap 34 between the two guide rails in the detection transmission guide rail 31, that is, the first jacking plate 372 can jack and pass through the detection transmission guide rail 31 to the first stacking and clamping device 38.
Further, each first stacking and clamping device 38 includes a second limit bracket 381 and a first clamping mechanism 382, the first clamping mechanism 382 includes a first clamping cylinder 383 and a first clamping block 384 connected to an output end of the first clamping cylinder 383, and a first groove 385 for the first clamping block 384 to pass through is formed at the bottom of the second limit bracket 381.
Further, the distance between the two second limit brackets 381 is larger than the width of the full loading tray.
Further, a first in-position sensor 39 is arranged on one side of the first stack clamping device 38 close to the feeding device 2, and the first in-position sensor 39 is used for detecting whether the full tray runs to the first stack clamping device 38; a code reader 40 is disposed on the other first stack clamping device 38 on a side thereof adjacent to the detecting device 4.
Above, the use method of the stacking device 36 is: when the first in-place sensor 39 senses that the full-load tray is transported to the stacking device 36, the first clamping mechanisms 382 on both sides move to the side far away from the detection and transmission guide rail 31, then the first jacking mechanism 37 jacks the full-load tray into the second limiting brackets 381 on both sides, at this time, the first clamping mechanisms 382 on both sides move to the side near the detection and transmission guide rail 31 and pass through the first grooves 385 until the full-load tray can be placed on the first clamping blocks 384; the first jacking mechanism 37 falls below the detection conveying guide rail 31; when the full-load material tray is put into the detection and transmission guide rail 31 again, the first jacking mechanism 37 is jacked to be in contact with the full-load material tray at the lowest layer, the first clamping mechanisms 382 at the two sides move towards one side far away from the detection and transmission guide rail 31, and simultaneously, the first clamping mechanisms 382 at the two sides move towards one side close to the detection and transmission guide rail 31 to ensure that the first jacking mechanism only takes away the full-load material tray at the lowest layer; however, the stacking apparatus 36 still has the following problems during use: when full-load trays exist in the stacking device 36, the first clamping mechanisms 382 on the two sides need to be moved to the side far away from the detection transmission guide rail 31 to push the full-load trays on the first jacking mechanism 37 into the stacking device 36 when the full-load trays are stacked, dislocation is easy to occur between the full-load trays in the process, the stacking relation between the full-load trays is not stable, the more full-load trays are stacked in the stacking device 36, the more dislocation between the full-load trays is obvious, and the situation that the full-load trays fall from the stacking device 36 is likely to occur, so that the number of the full-load trays which can be stacked in the stacking device 36 is limited; secondly, when the full-load tray in the stacking device 36 is placed into the detection conveying guide rail 31 again, the full-load tray is easy to fall off; however, the speed of product detection in the detection area of the present embodiment is fast, the number of full-load trays stacked in the stacking device 36 is not large during the detection process, and the problem of full-load tray stacking and dropping does not occur during the process of full-load tray stacking in the stacking device 36 and the process of full-load tray dropping from the stacking device 36 to the detection and transmission guide rail 31.
In the above, when the first jacking mechanism 37 jacks up the full-load tray, the full-load tray is jacked up to a height higher than the height of the first clamping block 384.
Further, the limiting device 35 includes a limiting cylinder 351 located at one side of the detection transmission guide rail 31 and a limiting mechanism 352 connected to an output end of the limiting cylinder 351.
Further, the limiting mechanism 352 comprises a first limiting bracket 353 and a limiting block 354 connected to the first limiting bracket 353, wherein the limiting block 354 is elastically connected to the first limiting bracket 353 through a spring 355.
Further, a second in-place sensor is arranged below the limiting mechanism 352 and used for detecting whether the full-load tray runs to the limiting mechanism 352.
In the above, the position-limiting device 35 is disposed on one of the rail devices 33, and the use method of the position-limiting device 35 is as follows: when the second in-place sensor senses that the full-load tray is conveyed to the position of the limiting device 35, the limiting cylinder 351 drives the limiting block 354 in the limiting mechanism 352 to move towards the direction perpendicular to the conveying direction of the detection conveying guide rail 31 on the horizontal plane until the limiting block is contacted with one side, close to the limiting device 35, of the full-load tray, the limiting cylinder 351 continues to operate, at the moment, the limiting block 354 drives the full-load tray to move towards the direction perpendicular to the conveying direction of the detection conveying guide rail 31 on the horizontal plane until the full-load tray is contacted with the guide rail fixing device on the guide rail device 33 without the limiting device 35; until the spring 355 compresses, the stopper 354 pushes the full-load tray away from the synchronous belt and compresses the guide rail fixing device to limit the operation of the full-load tray.
Further, the recycling transmission line 6 further comprises at least one recycling pre-storage device 7; the recovery pre-storage device 7 is used for limiting an empty tray waiting to flow back to the feeding device 2 to wait for entering the feeding device 2.
Further, retrieve and prestore device 7 including being located retrieve the second climbing mechanism of transmission guide rail below and being located detect the second of transmission guide rail 31 both sides and pile up clamping device, every the second piles up clamping device and all includes a spacing support of third and second clamping mechanism, second clamping mechanism includes second die clamping cylinder and connects the tight piece of second clamp on the second die clamping cylinder output, the bottom of the spacing support of third is provided with the confession the second recess that the tight piece of second clamp passed through.
Further, the distance between the two third limiting brackets is larger than the width of the empty tray.
Further, unloading transmission device 52 includes that first product places the district and the district is placed to the second product, first product is placed and is provided with a plurality of layers of material receiving tray 54 in the district, first product is placed the district and is arranged in receiving the product that comes from unloading moving mechanism 51 transport and place this product into the superiors material receiving tray, works as when the superiors material receiving tray in the district is placed to first product is filled up, unloading transmission device 52 places the superiors material receiving tray in the district with first product and removes to the second product and place the district in and pile up.
Further, the transfer device comprises one or a combination of a cam transfer mechanism and a transverse transfer mechanism, and a product in-place detection sensor is arranged at each transfer device.
Further, the control system is located inside the case 1, the control system comprises a driving unit, a data processing unit and a main control system, the data processing unit is used for receiving data from the detection device 4 and comparing the data to judge whether the data is NG or OK, and recording a judgment result, the main control system is used for receiving product in-place data acquired by the first in-place sensor 39, the second in-place sensor and the product in-place detection sensor, converting the product in-place data into a control signal and transmitting the control signal to the driving unit, and the driving unit is used for driving the feeding device 2, the detection transmission line 3, the detection device 4, the discharging device 5 and the recovery transmission line 6 in the equipment to operate.
The embodiment also relates to an automatic product detection method, which adopts the automatic product detection line and comprises the following specific steps:
s1, placing products on the empty trays by the feeding device 2 to form full-load trays, and transporting the full-load trays with the products to the detection conveying line 3;
s2, after the control system detects that a product is located in the detection pre-storage device 32, the control system judges whether a full-load tray is detected in the corresponding detection area 41, if so, the detection pre-storage device 32 limits the full-load tray on the detection transmission guide rail 31 to wait for being input into the detection area 41, and the detection pre-storage device 32 replaces the full-load tray on the detection transmission guide rail 31 again after the full-load tray in the detection area 41 is detected and is moved out of the detection device 4; if not, continuing to transmit to the corresponding detection area 41;
s3, the transfer device in the moving area 42 moves the full tray from the detection transmission guide rail 31 to the detection area 41 for detection, transmits the detected data into the control system, compares the data to judge whether the full tray is an NG material or an OK material, and records the judgment result;
s4, after all the products on the full tray are detected in step S3, the transfer device in the moving area 42 moves the full tray from the detection area 41 to the detection transfer rail 31;
s5, repeating the steps S2-S4 until all the detection areas 41 detect the products on the full-load tray, and moving the full-load tray to the blanking device 5 by the detection transmission guide rail 31;
s6, the blanking moving mechanism 51 in the blanking device 5 moves the products in the full tray to one product placing area 53;
s7, after the products in the full-load trays are all moved away, the full-load trays become empty trays, and the blanking moving mechanism 51 moves the empty trays after the products are moved to the recovery conveying line 6;
s8, the recovery conveying guide rail on the recovery conveying line 6 moves the empty tray from the blanking moving mechanism 51 to the feeding device 2 for feeding;
and S9, repeating the steps S1-S8 until all the products are detected.
Example two
The present embodiment is performed on the basis of the first embodiment, and the same parts as the first embodiment are not described in detail.
As shown in fig. 5 to 7, in the present embodiment, the detection region 41 includes a pre-thrust detection region 43 and a part distance difference detection region 44; the feeding device 2, the pre-thrust detection area 43, the part distance difference detection area 44 and the discharging device 5 are sequentially distributed between the detection transmission line 3 and the recovery transmission line 6.
Further, the limiting device 35 is located on one side of the part distance difference detection area 44; the stacking means 36 is located on one side of the pre-thrust detection zone 43.
Further, the pre-thrust detection area 43 includes at least one pre-thrust detection mechanism 431 and a product placement station 432 corresponding to the pre-thrust detection mechanism 431, each pre-thrust detection mechanism 431 includes a thrust device 433 and a pre-thrust detection device 434 located above the thrust device 433, and the product placement station 432 is used for placing a full-load tray and moving back and forth between the thrust device 433 and the pre-thrust detection device 434.
Furthermore, the transfer device comprises a cam transfer mechanism and a transverse transfer mechanism, and a product in-place detection sensor is arranged at each transfer device; the cam transfer mechanism is located on one side of the pre-thrust detection region 43, and the lateral transfer mechanism is located on one side of the part distance difference detection region 44.
Further, a product placing moving device 435 is arranged below the product placing station 432, and the product placing moving device 435 drives a full-loading tray on the product placing station 432 to move to the position above the pushing device 433.
Further, each thrust device 433 includes a thrust lift 436, a plurality of thrust loading devices 437 disposed on the thrust lift 436, and a plurality of product rams 438 disposed on both sides of the thrust loading devices 437.
Further, each pre-thrust detection device 434 comprises a detection lifting device 439 and a plurality of probes 440 connected above the detection lifting device 439 and placed in parallel, wherein one probe 440 corresponds to one thrust loading device 437, and the probe 440 is used for detecting the displacement of a product.
Further, each of the thrust loading devices 437 includes a pressure sensor 4371 and a push rod 4372 located above the pressure sensor 4371, each of the product rams 438 includes a product ram moving device and a product pressing block connected to the product ram moving device, and the pressure sensor 4371 is configured to read a force of the push rod 4372 pushing the product.
Further, the number of the thrust loading units 437, the number of the product rams 438, and the number of the probes 440 are the same.
Further, one side of each push rod 4372 is connected with a push rod moving device, an inner cavity for the product to enter is formed in the product pressing block, and the push rods 4372 are used for ejecting the product from a full-load tray and into the inner cavity of the product pressing block.
Further, the number of product receiving holes 9 in each row of the product receiving positions 8 is the same as that of the thrust loading means 437.
In the above, the detection method of the pre-thrust detection device 434 is as follows: when the product placement moving device 435 drives the full loading tray to move, the product placement moving device 435 stops driving when the product placement holes 9 in the row of product placement positions 8 on the full loading tray correspond to the positions of the push rods 4372 in the thrust loading device 437; at this time, the push rod 4372 pushes the product to the same height, and the detection lifting device 439 drives the probe 440 to move to the position of the product to contact with the upper end face of the product; the push rod 4372 pushes the product upwards into the product pressure head 438 according to the fixed pressure, reads the displacement of the product through the probe 440 and transmits the data to the control system to be compared with the set threshold value; after the detection of the product placing holes 9 in one row is finished, the push rod 4372 falls to place the products back into the product placing holes 9, the product placing and moving device 435 drives the full-load tray to move to detect the products in the product placing holes 9 in the next row, and the product placing and moving device 435 drives the full-load tray to move towards the direction close to the moving area 42 until all the products are detected.
Further, a plurality of standard components, which are workpieces having the same material, shape, and size as the product to be measured, are placed in the pre-thrust detecting device 434, pre-thrust detection is performed on the standard components according to the detection method, and after detection is completed, an average value of displacement values of the standard components read by the probe 440 is obtained, and the obtained value is the set threshold.
In the above, after the push rod 4372 pushes the product to the same height, the pressure sensor 4371 is adjusted to 0; the push rod 4372 pushes the product to the same height that the push rod 4372 pushes the product so that the upper end face of the product is flush with the lower end face of the product ram 438.
Further, the part distance difference detection section 44 includes at least one distance difference detection device 441 and a distance difference detection moving device 442 located below the distance difference detection device 441, and the distance difference detection device 441 includes a laser camera 443 and an adjustment device 444, and the distance difference detection moving device 442 is used to move the product from the moving section 42 to the distance difference detection device 441.
Further, the distance difference detecting and moving device 442 is connected with a carrier 445 for placing the full-load tray, and the carrier 445 is provided with a plurality of positioning pins.
Further, the adjusting device 444 includes a lateral moving device 446 for moving the laser camera 443 along the detection direction, and an angle adjusting mechanism 447 connected to the lateral moving device 446, wherein the angle adjusting mechanism 447 is configured to adjust a rotation angle of the laser camera 443 and thus adjust a laser irradiation area thereof.
The embodiment also relates to an automatic product detection method, which adopts the automatic product detection line and comprises the following specific steps:
s11, placing products on the empty trays by the feeding device 2 to form full-load trays, and transporting the full-load trays with the products to the detection conveying line 3;
s12, after the first in-place sensor 39 detects that the product is in place, the control system determines whether a full-load tray is detected in the pre-thrust detection area 43, if so, the stacking device 36 limits the full-load tray on the detection transport rail 31 to wait for the full-load tray to be input into the pre-thrust detection area 43, and the stacking device 36 replaces the full-load tray on the detection transport rail 31 again until the product on the full-load tray in the pre-thrust detection area 43 is detected and moved out of the pre-thrust detection area 43; if not, the signal is transmitted to the pre-thrust detection area 43;
s13, the transfer device in the moving area 42 moves the full-load tray from the detection transmission guide rail 31 to the pre-thrust detection area 43 for detection, transmits the detected data into the control system, compares the data to judge whether the full-load tray is an NG material or an OK material, and records the judgment result;
s14, after all the products on the full-load tray are detected in step S3, the transfer device in the moving area 42 moves the full-load tray from the pre-thrust detection area 43 to the detection transport rail 31;
s15, when the full-load tray moves to the second in-place sensor, and the second in-place sensor detects that the product is in place, the control system judges whether the full-load tray in the part distance difference detection area 44 is detected or not, if yes, the limiting device 35 limits the full-load tray on the detection transmission guide rail 31 to wait for inputting the product into the part distance difference detection area 44, and the limiting device 35 replaces the full-load tray on the detection transmission guide rail 31 again until the products on the full-load tray in the part distance difference detection area 44 are detected and moved out of the part distance difference detection area 44; if not, the distance difference is transmitted to the part distance difference detection area 44;
s16, after all the products on the full tray are detected in step S5, the moving device in the moving area 42 moves the full tray from the part distance difference detection area 44 to the detection transport rail 31;
s17, the detection conveying guide rail 31 moves the full-load tray into the blanking device 5;
s18, the blanking moving mechanism 51 in the blanking device 5 moves the products in the full tray to one product placing area 53;
s19, after the products in the full-load trays are all moved away, the full-load trays become empty trays, and the blanking moving mechanism 51 moves the empty trays after the products are moved to the recovery conveying line 6;
s20, the recovery conveying guide rail on the recovery conveying line 6 moves the empty tray from the blanking moving mechanism 51 to the feeding device 2 for feeding;
and S21, repeating the steps S1-S20 until all the products are detected.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An automatic product detection line is characterized by comprising a case, a feeding device, a detection transmission line, a detection device, a discharging device, a recovery transmission line and a control system, wherein the feeding device, the detection transmission line, the detection device, the discharging device and the recovery transmission line are all arranged above the case; the detection transmission line and the recovery transmission line are positioned on two sides of the upper end face of the case, and the feeding device, the detection device and the discharging device are distributed between the detection transmission line and the recovery transmission line;
the feeding device is internally provided with a plurality of empty trays, and is used for placing products on the empty trays to form full-load trays and transporting the full-load trays with the products to the detection transmission line;
the detection transmission line comprises a detection transmission guide rail and a plurality of detection pre-storage devices, and the detection transmission guide rail is used for transmitting a full-load tray with products to the detection devices and the discharging devices;
the detection pre-storage device is positioned at one side of the detection device; the detection prestoring device is used for limiting a full-load tray on the detection transmission guide rail to wait for being input into the detection device when the existing product in the detection device is detected;
the detection device comprises at least one detection area, a moving area is arranged between each detection area and the detection transmission line, the moving area comprises at least one transfer device, and the transfer device is used for moving a full-load tray back and forth between the detection transmission line and the detection area; the detection area comprises one of a pre-thrust detection area, an appearance defect detection area and a part distance difference detection area, the pre-thrust detection area is used for detecting the displacement generated when a part in a product is subjected to pre-thrust, and the part distance difference detection area is used for detecting the distance difference between the parts of the product;
the blanking device comprises a blanking moving mechanism, a blanking transmission device and a plurality of product placing areas, wherein the blanking transmission device is positioned below the blanking moving mechanism, and moves among the product placing areas; the blanking moving mechanism is used for moving products in a full-load tray to a product placing area and moving an empty tray after the products are moved to a recovery conveying line;
the recovery conveying line comprises a recovery conveying guide rail, and the recovery conveying guide rail is used for moving empty trays from the blanking moving mechanism to the feeding device.
2. The automatic product inspection line according to claim 1, wherein the inspection pre-storage device comprises one or a combination of a position limiting device and a stacking device.
3. The automatic product inspection line of claim 2, wherein the stacking device comprises a first jacking mechanism located below the inspection conveying guide rail and two first stacking clamping devices located at two sides of the inspection conveying guide rail, the first jacking mechanism is used for jacking a full-load tray on the inspection conveying guide rail into the first stacking clamping devices at two sides, and the first stacking clamping devices at two sides are used for stacking the full-load tray.
4. The automatic product detection line according to claim 2, wherein the limiting device comprises a limiting cylinder located at one side of the detection transmission guide rail and a limiting mechanism connected to an output end of the limiting cylinder.
5. The automatic product inspection line according to claim 1, wherein the pre-thrust detection area includes at least one pre-thrust detection mechanism and a product placement station corresponding to the pre-thrust detection mechanism, each pre-thrust detection mechanism includes a thrust device and a pre-thrust detection device located above the thrust device, and the product placement station is used for placing a full-load tray and moving back and forth between the thrust device and the pre-thrust detection device.
6. The automatic product inspection line of claim 5, wherein each thrust device comprises a thrust lift device, a plurality of thrust loading devices located on the thrust lift device, and a plurality of product rams located on either side of the thrust loading devices.
7. The automatic product inspection line according to claim 6, wherein each pre-thrust detection device comprises a detection lifting device and a plurality of parallel probes connected above the detection lifting device, one probe corresponds to one thrust loading device, and the probes are used for detecting the displacement of the product.
8. The automatic product inspection line of claim 1, wherein the part differential distance detection zone includes at least one differential distance detection device and a differential distance detection movement device located below the differential distance detection device, the differential distance detection device including a laser camera and an adjustment device, the differential distance detection movement device being configured to move the product from the movement zone to the differential distance detection device.
9. The automatic product inspection line according to claim 8, wherein the adjusting device includes a lateral moving device for moving the laser camera along the inspection direction, and an angle adjusting mechanism connected to the lateral moving device for adjusting the rotation angle of the laser camera and thus the laser irradiation area.
10. An automatic product detection method is characterized in that the automatic product detection line of claim 1 is adopted, and the specific steps are as follows:
s1, placing products on the empty trays by the feeding device to form full-load trays, and transporting the full-load trays with the products to the detection transmission line;
s2, after the control system detects a product to the detection pre-storage device, the control system judges whether a full-load tray is detected in the corresponding detection area, if so, the detection pre-storage device limits the full-load tray on the detection transmission guide rail to wait for being input into the detection area, and after the full-load tray in the detection area is detected and is moved out of the detection device, the detection pre-storage device replaces the full-load tray on the detection transmission guide rail; if not, continuing to transmit to the corresponding detection area;
s3, the transfer device in the moving area moves the full-load tray from the detection transmission guide rail to the detection area for detection, the detected data are transmitted to the control system, data comparison is carried out to judge whether the full-load tray is an NG material or an OK material, and the judgment result is recorded;
s4, after all the products on the full-load tray are detected in the step S3, the moving device in the moving area moves the full-load tray from the detection area to the detection transmission guide rail;
s5, repeating the steps S2-S4 until all detection areas detect the products on the full-load tray, and moving the full-load tray to a blanking device by the detection transmission guide rail;
s6, moving the products in the full-load tray to one product placing area by a blanking moving mechanism in the blanking device;
s7, after the products in the full-load tray are all moved away, the full-load tray is changed into an empty tray, and the blanking moving mechanism moves the empty tray after the products are moved to a recovery conveying line;
s8, moving the empty tray from the blanking moving mechanism to the feeding device by the recovery transmission guide rail on the recovery transmission line for feeding;
and S9, repeating the steps S1-S8 until all the products are detected.
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