CN117443749B - Hub bearing appearance defect detection equipment - Google Patents
Hub bearing appearance defect detection equipment Download PDFInfo
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- CN117443749B CN117443749B CN202311763796.1A CN202311763796A CN117443749B CN 117443749 B CN117443749 B CN 117443749B CN 202311763796 A CN202311763796 A CN 202311763796A CN 117443749 B CN117443749 B CN 117443749B
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- appearance defect
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- 238000001514 detection method Methods 0.000 title claims abstract description 199
- 230000007547 defect Effects 0.000 title claims abstract description 170
- 230000007246 mechanism Effects 0.000 claims abstract description 329
- 238000007664 blowing Methods 0.000 claims abstract description 57
- 239000000428 dust Substances 0.000 claims abstract description 35
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 5
- 230000007723 transport mechanism Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 33
- 238000000889 atomisation Methods 0.000 claims description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 16
- 208000001840 Dandruff Diseases 0.000 claims description 13
- 230000002265 prevention Effects 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 4
- 239000013556 antirust agent Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000003449 preventive effect Effects 0.000 claims 2
- 239000007921 spray Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000002950 deficient Effects 0.000 abstract description 4
- 230000004888 barrier function Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 239000003112 inhibitor Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000012216 screening Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- 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
- B07C5/38—Collecting or arranging articles in groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention provides a hub bearing appearance defect detection device, which comprises: frame, blowing antidandruff mechanism, feeding mechanism, first upper portion appearance defect detection mechanism, second upper portion appearance defect detection mechanism, 3D laser detection mechanism, first standing up mechanism, first lower part appearance defect detection mechanism, second standing up mechanism, atomizing rust-resistant processing mechanism, ejection of compact transport mechanism, NG product conveyer belt, two combination check product conveyer belts, two sets of product conveying mechanisms that set up side by side and control mechanism. The hub bearing appearance defect detection equipment provided by the invention can avoid misjudgment of the appearance defect of the hub bearing caused by dust falling on the surface of the hub bearing to be detected in the process of detecting the appearance defect of the hub bearing, thereby improving the detection accuracy; the purpose of comprehensively detecting the appearance of the hub bearing is achieved, the detection accuracy is high, and the risk that defective products flow into the market can be greatly reduced.
Description
Technical Field
The invention relates to the technical field of hub bearing appearance defect detection, in particular to hub bearing appearance defect detection equipment.
Background
Hub bearings are one of the key components of automobiles and their primary function is to carry weight and provide accurate guidance for the rotation of the hub, which requires it to withstand not only axial loads but also radial loads. The hub bearing unit is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, integrates the two sets of bearings, has the advantages of good assembly performance, light weight, compact structure, large load capacity, capability of omitting play adjustment, capability of filling lubricating grease into a sealed bearing in advance, capability of omitting external hub sealing, free maintenance and the like, is widely used in cars, and has the trend of gradually expanding application in trucks.
In the production process of the hub bearing, whether defects exist in the appearance of the hub bearing is detected, and the China patent with the publication number of CN112122174B discloses a device for detecting the appearance defects of a finished bearing product, which automatically adjusts the bearing distance, and comprises a workbench, a conveying device, an inspection device, a screening device and a spacing adjusting device; the inspection device is positioned at the upper part of the workbench; the transmission device is positioned between the workbench and the inspection device, is fixed on the workbench and can move relative to the workbench; the left side of the conveying device is a feed inlet, and the right side of the conveying device is a discharge outlet; the inspection device is positioned between the discharge port and the feed port; the screening device is fixed on one side of the workbench and is positioned at the upper part of the transmission device, and the screening device is positioned between the checking device and the discharge hole; the interval adjusting device is fixed on one side of the workbench and is positioned between the feeding hole and the checking device.
Although the bearing finished product appearance defect detection device capable of automatically adjusting the bearing distance effectively reduces the problem that the detection accuracy is reduced due to the fact that the bearing is inspected by photographing in the prior art. However, the device for detecting the appearance defect of the finished bearing product by automatically adjusting the bearing distance has the following defects:
1. in the detection process of the appearance defects of the bearing finished product, the appearance defects of the bearing finished product are often misjudged due to dust falling on the surface of the bearing finished product, and the detection accuracy is affected;
2. in the appearance defect detection process of the finished bearing product, only the appearance of the upper end of the finished bearing product is detected, the problem of incomplete detection exists, the risk that defective products flow into the market is large, and meanwhile, only one group of detection devices are used for detecting the appearance defects of the finished bearing product, so that the detection accuracy is low;
3. and after the bearing finished product is detected to be qualified, the bearing finished product is transferred to other production lines, and a rust-proof layer is sprayed on the surface of the bearing finished product, so that the production efficiency is seriously affected.
For this purpose, a hub bearing appearance defect detection device is proposed.
Disclosure of Invention
The invention aims to solve the problems in the background art, and provides hub bearing appearance defect detection equipment.
The specific technical scheme is as follows:
a hub bearing appearance defect detection apparatus comprising:
the frame, the frame is used for forming this hub bearing appearance defect detection equipment's installation basis, just install in the frame in proper order and blow anti-dandruff mechanism, extracting mechanism, first upper portion appearance defect detection mechanism, second upper portion appearance defect detection mechanism, 3D laser detection mechanism, first turnover mechanism, first lower part appearance defect detection mechanism, second turnover mechanism, atomizing rust-resistant processing mechanism, ejection of compact transport mechanism, NG product conveyer belt and two combination check product conveyer belts, be located in the frame blow anti-dandruff mechanism with install two sets of product conveying mechanisms that set up side by side between the NG product conveyer belt, the frame is provided with control mechanism outward, wherein:
the blowing and chip removing mechanism is used for blowing off dust falling on the bearing surface of the hub to be detected;
the material taking mechanism is used for placing the hub bearing to be detected in the blowing anti-dandruff mechanism, and simultaneously is used for taking out the hub bearing to be detected after the blowing anti-dandruff mechanism is completely blown in and placing the hub bearing to be detected on the product conveying mechanism;
The product conveying mechanism is used for sequentially conveying the blown out wheel hub bearing to be detected to the first upper appearance defect detection mechanism, the second upper appearance defect detection mechanism, the 3D laser detection mechanism, the first turning-over mechanism, the first lower appearance defect detection mechanism, the second lower appearance defect detection mechanism and the second turning-over mechanism;
the first upper appearance defect detection mechanism is used for detecting the upper appearance of the hub bearing to be detected after blowing clean for the first time;
the second upper appearance defect detection mechanism is used for detecting the upper appearance of the hub bearing to be detected after blowing clean for the second time;
the 3D laser detection mechanism is used for detecting the appearance of the upper part and the appearance of the side part of the hub bearing to be detected after being blown clean;
the first turning mechanism is used for turning over the hub bearing to be detected after the upper appearance and the side appearance are detected for the first time, so that the lower part of the hub bearing to be detected faces upwards;
the first lower appearance defect detection mechanism is used for detecting the lower appearance of the hub bearing to be detected after blowing clean for the first time;
the second lower appearance defect detection mechanism is used for detecting the lower appearance of the hub bearing to be detected after blowing clean for the second time;
The second turning mechanism is used for turning over the hub bearing with the detected lower appearance for the second time so that the upper part of the detected hub bearing faces upwards;
the atomization rust-proof treatment mechanism is used for spraying a rust-proof layer on the surface of the hub bearing which is qualified in detection;
the discharging conveying mechanism is used for placing the hub bearing which is qualified in detection into the atomization rust-proof treatment mechanism, simultaneously taking the hub bearing with the rust-proof layer sprayed on the surface out of the atomization rust-proof treatment mechanism and placing the hub bearing on the qualified product conveyor belt, and simultaneously directly placing the hub bearing which is unqualified in detection on the NG product conveyor belt;
the NG product conveyor belt is used for conveying the hub bearing which is unqualified in detection out of the frame;
the qualified product conveyor belt is used for conveying the hub bearing which is qualified in detection and is sprayed with the rust-proof layer on the surface out of the frame;
the control mechanism is used for controlling the automatic work of the blowing anti-dandruff mechanism, the material taking mechanism, the first upper appearance defect detection mechanism, the second upper appearance defect detection mechanism, the 3D laser detection mechanism, the first turning-over mechanism, the first lower appearance defect detection mechanism, the second turning-over mechanism, the atomization rust prevention treatment mechanism, the discharging conveying mechanism, the NG product conveying belt, the two-combination-grid product conveying belt and the two-group product conveying mechanism.
The hub bearing appearance defect detection device, wherein: the blowing and scrap removing mechanism comprises a box body, an inner supporting clamp, a speed reducer, a rotary driving motor, a high-pressure blowing head, a box cover and a box cover switch driving cylinder, wherein the box body is fixedly arranged in the frame, a box opening is formed in the box body and is used as a passage for the inlet and the outlet of a hub bearing, a dust collector interface communicated with the inside of the box body is fixedly arranged on one side surface of the box body, the dust collector interface is used for being connected with the dust collector, the inner supporting clamp is rotatably arranged on an inner ground wall of the box body, the inner supporting clamp is used for placing the hub bearing and is used for supporting an inner hole wall of the hub bearing, the speed reducer is fixedly arranged at the bottom of the box body, an output shaft of the speed reducer is in transmission connection with the bottom of the inner supporting clamp, the rotary driving motor is fixedly arranged in the frame, a rotating shaft of the rotary driving motor is fixedly connected with an input shaft of the speed reducer, the rotary driving motor is used for driving the inner supporting clamp to rotate, the high-pressure box head is fixedly arranged on the inner supporting clamp, the inner supporting clamp is rotatably connected with the box cover is rotatably arranged on the inner wall of the box body, the inner supporting clamp is fixedly arranged on the box cover is connected with the box cover, the air guide is fixedly arranged on the top wall of the box cover, the air guide is fixedly arranged on the air guide is arranged on the inner side of the box, the air guide is fixedly arranged on the box cover, the air guide is fixedly arranged on the air guide is connected with the box cover, the air guide box cover is fixedly arranged on the air guide is arranged on the inner box cover, the air guide is fixedly arranged on the air guide box cover, the air guide is arranged on the air guide box is and is fixedly arranged on the air guide box cover, and is connected with the air guide box is and can be driven and can be driven. For driving the case cover to reciprocate linearly.
The hub bearing appearance defect detection device, wherein: the material taking mechanism comprises a first longitudinal linear slide rail, a first longitudinal driving motor, a first longitudinal driving screw rod, a first sliding seat, two first vertical telescopic cylinders and two first pneumatic clamping jaws, wherein the first longitudinal linear slide rail is horizontally and fixedly installed in the frame, the first longitudinal driving motor is fixedly installed at one end of the first longitudinal linear slide rail, the first longitudinal driving screw rod is rotatably installed on the first longitudinal linear slide rail through a bearing, one end of the first longitudinal driving screw rod is fixedly connected with a rotating shaft of the first longitudinal driving motor, the first sliding seat is slidably installed on the first longitudinal linear slide rail, the first sliding seat is in threaded connection with the first longitudinal driving screw rod, the two first vertical telescopic cylinders are fixedly installed at two ends of the first sliding seat respectively, the two first pneumatic clamping jaws are fixedly installed at the end parts of piston rods of the two first vertical telescopic cylinders respectively and are both used for taking and placing the bearing, and the first pneumatic clamping jaws close to the box opening can enter the inside the box body through the box opening.
The hub bearing appearance defect detection device, wherein: the specific structure of the first upper appearance defect detection mechanism is the same as that of the first lower appearance defect detection mechanism, the first upper appearance defect detection mechanism comprises a first vertical plate, a first vertical sliding rail, a first vertical driving motor, a first vertical screw rod, a first connecting frame, a first CCD camera, a reflecting cover and a first annular LED light source, the first vertical plate is vertically and fixedly arranged in the frame, the first vertical sliding rail is vertically and fixedly arranged at the front part of the first vertical plate, the first vertical driving motor is fixedly arranged at the top of the first vertical plate, the first vertical screw rod is rotatably arranged on the first vertical plate through a bearing, the first vertical screw rod is vertically arranged, the upper end of the first vertical screw rod is fixedly connected with the rotating shaft of the first vertical driving motor, the first connecting frame is slidably mounted on the first vertical sliding rail, the first connecting frame is in threaded connection with the first vertical screw rod, the first CCD camera is fixedly mounted on the first connecting frame and used for detecting appearance defects of the hub bearing, the reflecting cover and the first annular LED light source are slidably mounted on the first vertical sliding rail through a first sliding plate, the bottom of the first connecting frame is fixedly connected with the upper part of the first sliding plate, the reflecting cover is positioned under a lens of the first CCD camera, a through hole for avoiding the lens of the first CCD camera is formed in the center position of the top of the reflecting cover, the first annular LED light source is positioned under the reflecting cover and used for intensively reflecting bright light emitted by the first annular LED light source to the periphery of the hub bearing to be detected, the brightness of the periphery of the hub bearing to be detected is improved.
The hub bearing appearance defect detection device, wherein: the specific structure of the second upper appearance defect detection mechanism is the same as that of the second lower appearance defect detection mechanism, the second upper appearance defect detection mechanism comprises a second vertical plate, a second vertical sliding rail, a second vertical driving motor, a second vertical screw rod, a second connecting frame, a second CCD camera, a horizontal plane projection light source and a second annular LED light source, the second vertical plate is vertically and fixedly arranged in the frame, the second vertical sliding rail is vertically and fixedly arranged at the front part of the second vertical plate, the second vertical driving motor is fixedly arranged at the top of the second vertical plate, the second vertical screw rod is rotatably arranged on the second vertical plate through a bearing, the second vertical screw rod is vertically arranged, the upper end of the second vertical screw rod is fixedly connected with a rotating shaft of the second vertical driving motor, the second connecting frame is slidably arranged on the second vertical sliding rail, the second connecting frame is in threaded connection with the second vertical screw rod, the second CCD camera is fixedly arranged on the second vertical sliding rail, the second vertical sliding rail is fixedly arranged on the hub, the second vertical sliding rail is fixedly arranged on the second annular plane projection light source, the second vertical sliding rail is fixedly arranged on the second vertical sliding rail, the second annular plane projection light source is fixedly arranged on the second plane projection light source, the second vertical plane projection light source is reserved on the bottom of the second vertical plane projection light source, the second vertical plane projection light source is and is reserved, the second vertical plane projection light source is arranged on the second vertical plane projection plane, the second vertical plane projection light source is and has the top of the second vertical plane projection light source, and the second vertical plane has the second vertical front side, and the vertical front plane and has the vertical front and the vertical plane and has the effect and the effect. The light emitted by the horizontal plane projection light source and the second annular LED light source is used for improving brightness around the hub bearing to be detected;
The first upper appearance defect detection mechanism and the second upper appearance defect detection mechanism are provided with a first light barrier, the second upper appearance defect detection mechanism and the 3D laser detection mechanism are provided with a second light barrier, the first light barrier is fixedly connected with the first vertical plate through a first angle plate, and the second light barrier is fixedly connected with the second vertical plate through a second angle plate.
The hub bearing appearance defect detection device, wherein: the 3D laser detection mechanism comprises a supporting table, a strip-shaped supporting seat and a vertical frame, wherein the supporting table, the strip-shaped supporting seat and the vertical frame are fixedly installed in the frame, and the three-dimensional laser detection mechanism comprises:
a plurality of sliding sleeves are fixedly embedded on the supporting table, a sliding rod is slidably installed on each sliding sleeve, a supporting plate is fixedly installed at the upper end of each sliding rod, a first station seat for placing a hub bearing is rotatably installed at the upper part of each supporting plate, a first motor for driving the first station seat to rotate is fixedly installed on each supporting plate, a rotating shaft of the first motor is in transmission connection with the bottom of the first station seat, a lifting driving cylinder for driving the supporting plate to lift is fixedly installed on the supporting table, and a piston rod of each lifting driving cylinder is fixedly connected with the bottom of each supporting plate;
The upper part of the strip-shaped supporting seat is fixedly provided with a second longitudinal linear sliding rail and a second longitudinal driving motor, a second longitudinal driving screw rod is rotatably arranged on the second longitudinal linear sliding rail through a bearing, a second sliding seat is slidably arranged on the second longitudinal linear sliding rail, a rotating shaft of the second longitudinal driving motor is fixedly connected with one end of the second longitudinal driving screw rod, the second sliding seat is in threaded connection with the second longitudinal driving screw rod, one side of the second sliding seat facing the first station seat is fixedly provided with a side surface appearance detection CCD camera, the side surface appearance detection CCD camera is used for detecting side surface appearance defects of a hub bearing, a vertical plane projection light source is arranged between the side surface appearance detection CCD camera and the first station seat, the vertical plane projection light source is vertically and fixedly arranged on the upper part of the strip-shaped supporting seat, and one side of the vertical plane projection light source, which is close to the first mechanism, is fixedly provided with a third turn-over light barrier;
the top fixed mounting of grudging post has 3D laser camera, 3D laser camera is located directly over the first station seat, just 3D laser camera's camera lens is just to first station seat sets up, 3D laser camera is used for detecting the surface impression trace of wheel hub bearing.
The hub bearing appearance defect detection device, wherein: the utility model provides a pneumatic clamping jaw, including first turnover mechanism, second turnover mechanism, first support frame, third riser, third vertical slide rail, third vertical driving motor, third vertical lead screw, third link, gyration cylinder and the pneumatic clamping jaw of standing up, support frame fixed mounting is in the inside of frame, the vertical and fixedly installed of third riser is in the top of support frame, the vertical and fixedly installed of third vertical slide rail is in the front portion of third riser, third vertical driving motor fixed mounting is in the top of third riser, the vertical lead screw of third is rotated and is installed on the third riser, just the upper end of the vertical lead screw of third with the axis of rotation fixed connection of the vertical driving motor, third link slidable mounting is in on the vertical slide rail of third, just the third link with the vertical lead screw threaded connection of third, gyration cylinder fixed mounting is in on the third link, pneumatic clamping jaw fixed mounting is in the rotation axis of gyration, and the hub is used for taking the pneumatic clamping jaw.
The hub bearing appearance defect detection device, wherein: the atomization rust-proof treatment mechanism comprises a treatment box, a sliding cover switch driving cylinder, a rotating seat and a rust inhibitor atomizing nozzle, wherein the treatment box is fixedly arranged in the frame through supporting legs, a penetrating pipe barrel communicated with the bottom of the treatment box is fixedly arranged on the side wall of the treatment box, a dust collector joint communicated with the inside of the treatment box is fixedly arranged on the side wall of the treatment box, a material inlet is formed in the upper portion of the treatment box, the sliding cover is slidably arranged on the upper portion of the treatment box, the sliding cover is used for sealing the material inlet, the sliding cover switch driving cylinder is fixedly arranged on the side wall of the treatment box, a piston rod of the sliding cover switch driving cylinder is fixedly connected with the outer side face of the sliding cover, the sliding cover is used for driving the sliding cover to move on the upper portion of the treatment box, the rotating seat is rotatably arranged in the treatment box, the rotating seat is driven to rotate by a motor, the rotating seat is used for placing a hub bearing, the rust inhibitor atomizing nozzle is fixedly arranged in the inside the treatment box, and the rust inhibitor atomizing nozzle is arranged towards the rotating seat.
The hub bearing appearance defect detection device, wherein: the discharging and conveying mechanism comprises a bottom frame, a four-axis mechanical arm and a second pneumatic clamping jaw, wherein the bottom frame is fixedly installed in the machine frame, the four-axis mechanical arm is fixedly installed on the upper portion of the bottom frame, and the second pneumatic clamping jaw is fixedly installed at the tail end of the four-axis mechanical arm and used for grabbing a hub bearing.
The hub bearing appearance defect detection device, wherein: each group of product conveying mechanisms comprises a supporting platform and a lifting platform;
the upper part of the supporting platform is fixedly provided with two Z-direction guide rails and a Z-direction driving air cylinder, the two Z-direction guide rails are provided with square plates in a sliding manner, a piston rod of the Z-direction driving air cylinder is fixedly connected with the bottom of the square plates and is used for driving the square plates to do linear motion along the Z-direction guide rails, the upper part of the square plates is fixedly provided with two X-direction guide rails, each X-direction guide rail is provided with a first cross rod and a second cross rod in a sliding manner, the first cross rod and the second cross rod on each X-direction guide rail are arranged side by side, the first cross rod and the second cross rod on each X-direction guide rail can move relatively, and the two second cross rods are positioned between the two first cross rods;
An X-direction driving cylinder is fixedly arranged at the upper part of the square plate, a connecting plate is fixedly arranged at the end part of a piston rod of the X-direction driving cylinder, the upper parts of the connecting plates are fixedly connected with the bottoms of the two first cross bars, an idler gear is rotatably arranged at the upper parts of the connecting plates through a rotating shaft, a straight toothed rail is fixedly arranged at one side, close to each other, of the two second cross bars, and the two straight toothed rails are meshed with two sides of the idler gear;
six first clamping arms which are arranged at equal intervals are horizontally and fixedly arranged on the upper part of one second cross rod, six second clamping arms which are arranged at equal intervals are horizontally and fixedly arranged on the upper part of the other second cross rod, and the second clamping arms and the first clamping arms which are arranged at corresponding positions are mutually matched for grabbing a hub bearing;
the upper part of the first cross rod is fixedly provided with a clamping arm driving cylinder, and a piston rod of the clamping arm driving cylinder is fixedly connected with one of the first clamping arms;
when the piston rod of the clamping arm driving cylinder is shortened, the second clamping arm and the first clamping arm at corresponding positions are mutually close to each other under the cooperation of the two linear toothed rails and the idler gear to clamp the hub bearing;
When the piston rod of the clamping arm driving cylinder stretches, the second clamping arm and the first clamping arm at corresponding positions are far away from each other under the cooperation of the two linear toothed rails and the idler gear, so that the hub bearing is loosened;
when the piston rod of the clamping arm driving cylinder does not act, the positions of the two linear toothed rails and the idle gear are relatively fixed, and at the moment, the positions of the two second cross bars and the two first cross bars are relatively fixed, so that the X-direction driving cylinder can drive the two second cross bars and the two first cross bars to move simultaneously;
the lifting platform comprises two first supporting transverse plates and second supporting transverse plates which are fixedly installed in the frame side by side, a plurality of first guide sleeves are embedded on the first supporting transverse plates, first lifting cylinders are fixedly installed at the bottoms of the first supporting transverse plates, first guide rods which are vertically arranged are slidably installed in the first guide sleeves, first lifting plates are fixedly installed at the upper ends of the first guide rods, the bottoms of the first lifting plates are fixedly connected with piston rods of the first lifting cylinders, and three first product placement seats are installed at the upper parts of the first lifting plates at equal intervals;
The second supporting transverse plate is embedded with a plurality of second guide sleeves, the bottom of the second supporting transverse plate is fixedly provided with a second lifting cylinder, a plurality of second guide rods which are vertically arranged are slidably arranged in the second guide sleeves, the upper ends of the second guide rods are fixedly provided with second lifting plates, the bottom of each second lifting plate is fixedly connected with a piston rod of each second lifting cylinder, the upper parts of the second lifting plates are provided with two second product placement seats, and the two second product placement seats and the three first product placement seats are all used for placing hub bearings;
the control mechanism comprises two transverse polish rods fixedly mounted on the top of the frame, a transverse moving frame is sleeved on the transverse polish rods in a sliding mode, a working state indicator lamp and a right-angle bending hanging frame are fixedly mounted on the transverse moving frame, a PLC (programmable logic controller) is fixedly mounted at the bottom end of the right-angle bending hanging frame, a touch display screen and a control button are mounted on the front portion of the PLC, a handle is fixedly mounted on the side portion of the PLC, the PLC is respectively connected with the touch display screen, the control button, the working state indicator lamp, a rotary driving motor, a solenoid valve on a box cover switch driving air path, a first vertical driving motor, a solenoid valve on a first vertical telescopic air path, a solenoid valve on a first air clamping jaw air path, a first vertical driving motor, a first CCD (charge coupled device) camera, a second vertical driving motor, a second CCD (charge coupled device) camera, a horizontal plane projection light source, a second annular LED light source, a first motor, a solenoid valve on a lifting driving air path, a second vertical driving motor, a side appearance detection device, a vertical plane light source, a 3D (D) motor, a solenoid valve on a third air path, a solenoid valve driving air path, a solenoid valve on a first clamping air path, a solenoid valve and a second air path, a mechanical solenoid valve on a lifting air path, a first clamping air path, a solenoid valve and a second air path, and a solenoid valve driving air cylinder driving air path.
The invention has the following beneficial effects:
1. according to the hub bearing appearance defect detection equipment provided by the invention, when the hub bearing appearance defect is detected, the to-be-detected hub bearing is conveyed to the material taking mechanism by the feeding conveyor belt, then the to-be-detected hub bearing is placed into the blowing anti-dust mechanism by the material taking mechanism, and dust falling on the surface of the to-be-detected hub bearing is blown off, so that the defect that the appearance of the hub bearing is misjudged due to dust falling on the surface of the to-be-detected hub bearing in the process of detecting the hub bearing appearance defect can be avoided, and the detection accuracy is improved;
2. according to the hub bearing appearance defect detection equipment provided by the invention, the hub bearing after blowing is transmitted to the product conveying mechanism through the material taking mechanism, the product conveying mechanism sequentially sends the hub bearing to the first upper appearance defect detection mechanism, the second upper appearance defect detection mechanism and the D laser detection mechanism to detect the upper appearance and the side appearance, then the hub bearing is turned over through the first turning-over mechanism, and then the lower appearance of the hub bearing is detected by utilizing the first lower appearance defect detection mechanism and the second lower appearance defect detection mechanism, so that the purpose of comprehensively detecting the appearance of the hub bearing is realized, the detection accuracy is higher, and the risk of defective products flowing into the market can be greatly reduced;
3. According to the hub bearing appearance defect detection equipment provided by the invention, the hub bearing which is qualified in detection is turned over through the second turning over mechanism, and the hub bearing after turning over again is sent into the atomization rust prevention treatment mechanism by the discharging conveying mechanism to be sprayed with the rust prevention layer, so that the production efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a hub bearing appearance defect detection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure of a hub bearing appearance defect detection apparatus according to an embodiment of the present invention with a part of a frame removed;
FIG. 3 is a schematic diagram illustrating an assembly of a blowing anti-dandruff mechanism and a take-out mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating an assembly of the blowing anti-dandruff mechanism and the take-out mechanism according to another embodiment of the present invention;
fig. 5 is a schematic structural view of a blowing and chip removing mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a first upper appearance defect detecting mechanism and a second upper appearance defect detecting mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a first upper visual defect detecting mechanism and a second upper visual defect detecting mechanism according to another embodiment of the present invention;
Fig. 8 is a schematic structural diagram of a 3D laser detection mechanism according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a first turning mechanism according to an embodiment of the present invention;
FIG. 10 is a schematic structural view of an atomization rust prevention treatment mechanism provided by an embodiment of the invention;
FIG. 11 is a schematic diagram of the internal structure of an atomization rust prevention treatment mechanism provided by an embodiment of the invention;
fig. 12 is a schematic structural diagram of a discharging and conveying mechanism according to an embodiment of the present invention;
FIG. 13 is a schematic view of a product conveying mechanism according to an embodiment of the present invention;
FIG. 14 is a schematic view of a part of a product conveying mechanism according to an embodiment of the present invention;
FIG. 15 is a schematic view of a product conveying mechanism according to an embodiment of the present invention;
FIG. 16 is an enlarged schematic view of the structure of FIG. 15A;
fig. 17 is a schematic structural diagram of a control mechanism according to an embodiment of the present invention.
In the accompanying drawings:
1. a blowing and chip removing mechanism; 101. a case; 102. a box opening; 103. an inner support clamp; 104. a rotary drive motor; 105. a speed reducer; 106. a high-pressure blow head; 107. a box cover switch driving cylinder; 108. a vacuum cleaner interface; 109. a case cover; 110. a guide rail; 111. a guide slide block;
2. A material taking mechanism; 201. a first longitudinal linear slide; 202. a first longitudinal drive motor; 203. a first sliding seat; 204. the first vertical telescopic cylinder; 205. a first pneumatic jaw; 206. a first longitudinal driving screw rod;
3. a first upper appearance defect detection mechanism; 301. a first vertical plate; 302. a first vertical slide rail; 303. a first annular LED light source; 304. a reflection cover; 305. a through hole; 306. a first CCD camera; 307. a first connection frame; 308. a first vertical drive motor; 309. a first vertical screw rod; 310. a first light barrier;
4. a second upper appearance defect detection mechanism; 401. a second vertical plate; 402. the second vertical sliding rail; 403. a second annular LED light source; 404. a horizontal plane projection light source; 405. a second light barrier; 406. a second CCD camera; 407. a second connecting frame; 408. a second vertical drive motor; 409. a second vertical screw rod;
5. a 3D laser detection mechanism; 501. a support table; 502. a strip-shaped supporting seat; 503. a vertical frame; 504. a 3D laser camera; 505. a support plate; 506. a first station base; 507. a first motor; 508. a slide bar; 509. a sliding sleeve; 510. a lifting driving cylinder; 511. a third light barrier; 512. a vertical plane projection light source; 513. the second longitudinal linear slide rail; 514. a second longitudinal drive motor; 515. a second longitudinal driving screw rod; 516. a second sliding seat; 517. a side surface appearance detection CCD camera;
6. A first turning-over mechanism; 601. a support frame; 602. a third connecting frame; 603. a revolving cylinder; 604. a turning-over pneumatic clamping jaw; 605. a third vertical plate; 606. the third vertical sliding rail; 607. a third vertical screw rod; 608. a third vertical driving motor;
7. a first lower appearance defect detection mechanism;
8. a second lower appearance defect detection mechanism;
9. a second turning-over mechanism;
10. an atomization rust-proof treatment mechanism; 1001. a treatment box; 1002. a support leg; 1003. a sliding cover switch driving cylinder; 1004. penetrating the pipe barrel; 1005. an anti-rust agent atomizing nozzle; 1006. a sliding cover; 1007. a connecting rod; 1008. a rotating seat; 1009. a vacuum cleaner joint;
11. a discharging and carrying mechanism; 1101. a chassis; 1102. a four-axis mechanical arm; 1103. a second pneumatic jaw;
12. a qualified product conveyor belt;
13. NG a product conveyor belt;
14. a product conveying mechanism; 1401. a support platform; 1402. a Z-direction guide rail; 1403. a square plate; 1404. an X-direction guide rail; 1405. a first cross bar; 1406. a second cross bar; 1407. a clamping arm driving cylinder; 1408. a second clamping arm; 1409. a first clamping arm; 1410. a Z-direction driving cylinder; 1411. an X-direction driving cylinder; 1412. a connecting plate; 1413. an idler gear; 1414. a straight toothed rail; 1415. a first support cross plate; 14151. a first lifting cylinder; 14152. a first guide sleeve; 14153. a first guide bar; 14154. a first product placement base; 14155. a first lifting plate; 1416. a second support cross plate; 14161. a second product placement base; 14162. a second lifting plate; 14163. a second guide bar; 14164. a second lifting cylinder; 14165. a second guide sleeve;
15. A frame; 16. a control mechanism; 1601. a transverse polish rod; 1602. a transverse moving frame; 1603. the hanging bracket is bent at right angles; 1604. a PLC controller; 1605. a touch display screen; 1606. controlling the keys; 1607. a handle; 1608. an operating status indicator light;
17. an air cleaner;
18. and a hub bearing.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the present invention, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples
The hub bearing appearance defect detection device provided in this embodiment, as shown in fig. 1 to 17, includes: the frame 15, the frame 15 is used for forming this hub bearing outward appearance defect detection equipment's installation basis, and install in proper order in the frame 15 and blow chip removing mechanism 1, extracting mechanism 2, first upper portion outward appearance defect detection mechanism 3, second upper portion outward appearance defect detection mechanism 4, 3D laser detection mechanism 5, first turnover mechanism 6, first lower part outward appearance defect detection mechanism 7, second lower part outward appearance defect detection mechanism 8, second turnover mechanism 9, the rust-resistant processing mechanism 10 of atomizing, ejection of compact transport mechanism 11, NG product conveyer belt 13 and two combination check product conveyer belt 12, lie in the frame 15 blow chip removing mechanism 1 and NG product conveyer belt 13 between install two sets of product conveyer mechanisms 14 that set up side by side, the frame 15 is provided with control mechanism 16 outward, wherein:
The blowing anti-dust mechanism 1 is used for blowing off dust falling on the surface of the hub bearing 18 to be detected;
the material taking mechanism 2 is used for placing the hub bearing 18 to be detected into the blowing anti-dandruff mechanism 1 and simultaneously taking out the hub bearing 18 to be detected, which is blown clean in the blowing anti-dandruff mechanism 1, and placing the hub bearing 18 to be detected on the product conveying mechanism 14;
the product conveying mechanism 14 is used for sequentially conveying the blown-out hub bearing 18 to be detected to the first upper appearance defect detecting mechanism 3, the second upper appearance defect detecting mechanism 4, the 3D laser detecting mechanism 5, the first turning-over mechanism 6, the first lower appearance defect detecting mechanism 7, the second lower appearance defect detecting mechanism 8 and the second turning-over mechanism 9;
the first upper appearance defect detection mechanism 3 is used for detecting the upper appearance of the hub bearing 18 to be detected after blowing clean for the first time;
the second upper appearance defect detection mechanism 4 is used for performing second detection on the upper appearance of the hub bearing 18 to be detected after blowing clean;
the 3D laser detection mechanism 5 is used for detecting the upper appearance and the side appearance of the hub bearing 18 to be detected after blowing clean;
the first turning mechanism 6 is used for turning over the hub bearing 18 to be detected after the upper appearance and the side appearance are detected for the first time, so that the lower part of the hub bearing 18 to be detected faces upwards;
The first lower appearance defect detection mechanism 7 is used for detecting the lower appearance of the hub bearing 18 to be detected after blowing clean for the first time;
the second lower appearance defect detection mechanism 8 is used for performing second detection on the lower appearance of the hub bearing 18 to be detected after blowing clean;
the second turning mechanism 9 is used for turning over the hub bearing 18 with the detected lower appearance for the second time, so that the upper part of the detected hub bearing 18 faces upwards;
the atomization rust-proof treatment mechanism 10 is used for spraying a rust-proof layer on the surface of the hub bearing 18 which is qualified in detection;
the discharging and carrying mechanism 11 is used for placing the hub bearing 18 which is qualified in detection into the atomization rust-proof treatment mechanism 10, simultaneously taking out the hub bearing 18 with the rust-proof layer sprayed on the surface from the interior of the atomization rust-proof treatment mechanism 10 and placing the hub bearing 18 on the qualified product conveyor belt 12, and simultaneously directly placing the hub bearing 18 which is unqualified in detection on the NG product conveyor belt 13;
the NG product conveyor belt 13 is used for conveying the hub bearings 18 which are unqualified in detection out of the frame 15;
the qualified product conveyor belt 12 is used for conveying the hub bearing 18 which is qualified in detection and is sprayed with a rust-proof layer on the surface out of the frame 15;
The control mechanism 16 is used for controlling the automatic operation of the blowing and chip removing mechanism 1, the material taking mechanism 2, the first upper appearance defect detection mechanism 3, the second upper appearance defect detection mechanism 4, the 3D laser detection mechanism 5, the first turning-over mechanism 6, the first lower appearance defect detection mechanism 7, the second lower appearance defect detection mechanism 8, the second turning-over mechanism 9, the atomization rust prevention treatment mechanism 10, the discharging and conveying mechanism 11, the NG product conveying belt 13, the two-combination-grid product conveying belt 12 and the two-group product conveying mechanism 14 respectively.
The hub bearing appearance defect detection equipment adopting the technical scheme mainly comprises a frame 15, a blowing chip removing mechanism 1, a material taking mechanism 2, a first upper appearance defect detection mechanism 3, a second upper appearance defect detection mechanism 4, a 3D laser detection mechanism 5, a first turning mechanism 6, a first lower appearance defect detection mechanism 7, a second lower appearance defect detection mechanism 8, a second turning mechanism 9, an atomization rust prevention treatment mechanism 10, a material discharging carrying mechanism 11, a NG product conveying belt 13, two combination lattice product conveying belts 12, two groups of product conveying mechanisms 14 and a control mechanism 16, wherein when the appearance defects of the hub bearing 18 are detected, the material taking mechanism 2 is used for conveying the hub bearing 18 to be detected to the material taking mechanism 2, then the material taking mechanism 2 is used for placing the hub bearing 18 to be detected into the blowing chip removing mechanism 1, and dust on the surface of the hub bearing 18 to be detected is blown off, so that the appearance defects of the hub bearing 18 can be prevented from being misjudged due to dust falling on the surface of the hub bearing 18 to be detected in the process of detecting the appearance defects of the hub bearing 18, and the detection rate is improved;
The hub bearing 18 after blowing is transmitted to the product conveying mechanism 14 through the material taking mechanism 2, the product conveying mechanism 14 sequentially conveys the hub bearing 18 to the first upper appearance defect detecting mechanism 3, the second upper appearance defect detecting mechanism 4 and the 3D laser detecting mechanism 5 to detect the upper appearance and the side appearance, then the hub bearing 18 is turned over through the first turning-over mechanism 6, and then the lower appearance of the hub bearing 18 is detected by the first lower appearance defect detecting mechanism 7 and the second lower appearance defect detecting mechanism 8, so that the purpose of comprehensively detecting the appearance of the hub bearing 18 is realized, the detection accuracy is higher, and the risk that defective products flow into the market can be greatly reduced;
the hub bearing 18 which is qualified in detection is turned over through the second turning-over mechanism 9, and the hub bearing 18 after turning over again is sent into the atomization rust-proof treatment mechanism 10 by the discharging conveying mechanism 11 to be sprayed with a rust-proof layer, so that the production efficiency is greatly improved.
Wherein the blowing and chip removing mechanism 1 comprises a box body 101, an inner supporting clamp 103, a speed reducer 105, a rotary driving motor 104, a high-pressure blowing head 106, a box cover 109 and a box cover switch driving cylinder 107, the box body 101 is fixedly arranged in a frame 15, a box opening 102 is formed in the box body 101, the box opening 102 is used as a passage for the in-out of a hub bearing 18, a dust collector interface 108 communicated with the inside of the box body 101 is fixedly arranged on one side surface of the box body 101, the dust collector interface 108 is used for connecting a dust collector, the inner supporting clamp 103 is rotatably arranged on an inner ground wall of the box body 101, the inner supporting clamp 103 is used for placing the hub bearing 18 and is used for supporting an inner hole wall of the hub bearing 18, the speed reducer 105 is fixedly arranged at the bottom of the box body 101, an output shaft of the speed reducer 105 is in transmission connection with the bottom of the inner supporting clamp 103, the rotary driving motor 104 is fixedly arranged in the frame 15, and the axis of rotation of rotary driving motor 104 is fixed connection with the input shaft of speed reducer 105, rotary driving motor 104 is used for driving speed reducer 105 to drive interior anchor clamps 103 to rotate, high-pressure blowhead 106 fixed mounting is in the inside of box 101, and the direction of blowing of high-pressure blowhead 106 is towards the hub bearing 18 setting on the interior anchor clamps 103, high-pressure blowhead 106 external high-pressure air supply, case lid 109 slidable mounting is in the inside of box 101, be used for sealed case mouth 102, the upper portion fixed mounting of case lid 109 has guide slide rail 110, the interior roof bottom fixed mounting of box 101 has guide slide block 111, guide slide block 111 slidable mounting is on guide slide rail 110, case lid switch drive cylinder 107 fixed mounting is on the lateral wall of box 101, and the piston rod of case lid switch drive cylinder 107 stretches into the inside of box 101 and with case lid 109 fixed connection, be used for driving the straight line reciprocating motion of case lid 109.
According to the technical scheme, the blowing and chip removing mechanism 1 mainly comprises a box body 101, an inner supporting clamp 103, a speed reducer 105, a rotary driving motor 104, a high-pressure blowing head 106, a box cover 109 and a box cover switch driving cylinder 107, when the blowing and chip removing mechanism is used, the box cover switch driving cylinder 107 drives the box cover 109 to move to open a box opening 102, at the moment, a material taking mechanism 2 can grab and place a hub bearing 18 to be detected on the inner supporting clamp 103, then the box cover switch driving cylinder 107 drives the box cover 109 to move to close the box opening 102, when the hub bearing 18 is placed on the inner supporting clamp 103, the inner supporting clamp 103 tightly supports the inner ring surface of the hub bearing 18, at the moment, the rotary driving motor 104 drives the speed reducer 105 to drive the inner supporting clamp 103 to rotate, the inner supporting clamp 103 drives the hub bearing 18 to rotate, an electromagnetic valve on the high-pressure blowing head 106 is opened, the high-pressure blowing head 106 ejects high-pressure air towards the surface of the hub bearing 18 to blow off dust on the surface of the hub bearing 18, and simultaneously the dust collector interface 108 is used for connecting the dust collector to suck the dust on the surface of the hub bearing 18, so that the dust in the box body 101 is guaranteed to be detected, when the hub bearing 18 is placed on the surface of the hub bearing 18, the hub bearing 18 is stopped, the surface of the hub bearing 18 is completely, the surface of the hub bearing 14 is completely closed, and the dust is completely detected, the dust is completely detected, and the dust on the surface of the hub bearing 14 is completely, and the surface is completely, and the product is completely cleaned, and the high, and the dust is completely.
The material taking mechanism 2 comprises a first longitudinal linear slide rail 201, a first longitudinal driving motor 202, a first longitudinal driving screw rod 206, a first sliding seat 203, two first vertical telescopic cylinders 204 and two first pneumatic clamping jaws 205, wherein the first longitudinal linear slide rail 201 is horizontally and fixedly installed in the frame 15, the first longitudinal driving motor 202 is fixedly installed at one end of the first longitudinal linear slide rail 201, the first longitudinal driving screw rod 206 is rotatably installed on the first longitudinal linear slide rail 201 through a bearing, one end of the first longitudinal driving screw rod 206 is fixedly connected with a rotating shaft of the first longitudinal driving motor 202, the first sliding seat 203 is slidably installed on the first longitudinal linear slide rail 201, the first sliding seat 203 is in threaded connection with the first longitudinal driving screw rod 206, the two first vertical telescopic cylinders 204 are respectively and fixedly installed at two ends of the first sliding seat 203, the two first pneumatic clamping jaws 205 are respectively and fixedly installed at piston rod ends of the two first vertical telescopic cylinders 204, the first pneumatic clamping jaws 205 are respectively used for taking and placing the hub bearing 18, and the first pneumatic clamping jaws 205 close to the box opening 102 can enter the box 101 through the box opening 102.
The material taking mechanism 2 adopting the technical scheme mainly comprises a first longitudinal linear slide rail 201, a first longitudinal driving motor 202, a first longitudinal driving screw rod 206, a first sliding seat 203, two first vertical telescopic cylinders 204 and two first pneumatic clamping jaws 205, wherein the first longitudinal driving motor 202 is used for driving the first longitudinal driving screw rod 206 to drive the first sliding seat 203 to move back and forth along the first longitudinal linear slide rail 201, the first sliding seat 203 is used for driving the two first vertical telescopic cylinders 204 and the two first pneumatic clamping jaws 205 to move back and forth, the first vertical telescopic cylinders 204 are used for driving the two first pneumatic clamping jaws 205 to move up and down, and the two first pneumatic clamping jaws 205 are used for grabbing and placing the hub bearing 18.
Wherein the specific structure of the first upper visual defect detecting mechanism 3 is the same as the specific structure of the first lower visual defect detecting mechanism 7, and the first upper appearance defect detecting mechanism 3 includes a first riser 301, a first vertical slide rail 302, a first vertical driving motor 308, a first vertical screw rod 309, a first connecting frame 307, a first CCD camera 306, a reflecting cover 304, and a first annular LED light source 303, the first riser 301 is vertically and fixedly installed inside the frame 15, the first vertical slide rail 302 is vertically and fixedly installed at the front of the first riser 301, the first vertical driving motor 308 is fixedly installed at the top of the first riser 301, the first vertical screw rod 309 is rotatably installed on the first riser 301 through a bearing, and the first vertical screw rod 309 is vertically arranged, the upper end of the first vertical screw rod 309 is fixedly connected with the rotating shaft of the first vertical driving motor 308, the first connecting frame 307 is slidably mounted on the first vertical sliding rail 302, and the first connecting frame 307 is in threaded connection with a first vertical screw rod 309, a first CCD camera 306 is fixedly installed on the first connecting frame 307, for detecting the appearance defect of the hub bearing 18, the reflecting cover 304 and the first annular LED light source 303 are slidably mounted on the first vertical sliding rail 302 through a first sliding plate, the bottom of the first connecting frame 307 is fixedly connected with the upper part of the first sliding plate, the reflecting cover 304 is positioned under the lens of the first CCD camera 306, and a through hole 305 for avoiding the lens of the first CCD camera 306 is formed in the center of the top of the reflecting cover 304, the first annular LED light source 303 is located under the reflecting cover 304, and the reflecting cover 304 is used for intensively reflecting the bright light emitted by the first annular LED light source 303 to the periphery of the hub bearing 18 to be detected and improving the brightness of the periphery of the hub bearing 18 to be detected.
The first upper appearance defect detection mechanism 3 adopting the above technical scheme is used for providing a light source for the first CCD camera 306 when working, the reflecting cover 304 is used for intensively reflecting the light emitted by the first annular LED light source 303 to the periphery of the hub bearing 18 to be detected, the brightness of the periphery of the hub bearing 18 to be detected is improved, the first CCD camera 306 is used for detecting the appearance defect of the upper part of the hub bearing 18, the first vertical driving motor 308 is used for driving the first vertical screw rod 309 to drive the first connecting frame 307 to move up and down along the first vertical sliding rail 302, and the first connecting frame 307 is used for driving the first CCD camera 306, the reflecting cover 304 and the first annular LED light source 303 to move up and down simultaneously, and is used for adjusting the focal length between the first CCD camera 306 and the hub bearing 18 to be detected, so that the first CCD camera 306 can shoot the appearance image of the upper part of the hub bearing 18 clearly, and the accuracy of detection is ensured.
Wherein the specific structure of the second upper appearance defect detection mechanism 4 is the same as the specific structure of the second lower appearance defect detection mechanism 8, and the second upper appearance defect detection mechanism 4 comprises a second vertical plate 401, a second vertical slide rail 402, a second vertical driving motor 408, a second vertical screw 409, a second connecting frame 407, a second CCD camera 406, a horizontal plane projection light source 404 and a second annular LED light source 403, the second vertical plate 401 is vertically and fixedly installed inside the frame 15, the second vertical slide rail 402 is vertically and fixedly installed at the front part of the second vertical plate 401, the second vertical driving motor 408 is fixedly installed at the top of the second vertical plate 401, the second vertical screw 409 is rotatably installed on the second vertical plate 401 through a bearing, and the second vertical screw 409 is vertically arranged, the upper end of a second vertical screw rod 409 is fixedly connected with a rotating shaft of a second vertical driving motor 408, a second connecting frame 407 is slidably arranged on a second vertical sliding rail 402, the second connecting frame 407 is in threaded connection with the second vertical screw rod 409, a second CCD camera 406 is fixedly arranged on the second connecting frame 407 and used for detecting appearance defects of a hub bearing 18, a horizontal plane projection light source 404 and a second annular LED light source 403 are both slidably arranged on the second vertical sliding rail 402 through a second sliding plate, the bottom of the second connecting frame 407 is fixedly connected with the upper part of the second sliding plate, the horizontal plane projection light source 404 is positioned under a lens of the second CCD camera 406, a blank perspective area for avoiding the lens of the second CCD camera 406 is reserved at the central position of the horizontal plane projection light source 404, the second annular LED light source 403 is positioned under the horizontal plane projection light source 404, the light emitted by the horizontal plane projection light source 404 and the second annular LED light source 403 is used for improving the brightness around the hub bearing 18 to be detected;
In order to avoid the mutual influence between the first upper appearance defect detecting mechanism 3 and the second upper appearance defect detecting mechanism 4, a first light barrier 310 is arranged between the first upper appearance defect detecting mechanism 3 and the second upper appearance defect detecting mechanism 4, in order to avoid the mutual influence between the second upper appearance defect detecting mechanism 4 and the 3D laser detecting mechanism 5, a second light barrier 405 is arranged between the second upper appearance defect detecting mechanism 4 and the 3D laser detecting mechanism 5, the first light barrier 310 is fixedly connected with the first vertical plate 301 through a first corner plate, and the second light barrier 405 is fixedly connected with the second vertical plate 401 through a second corner plate.
When the second upper appearance defect detection mechanism 4 adopting the technical scheme is used, the second vertical driving motor 408 is used for driving the second vertical screw rod 409 to drive the second connecting frame 407 to move up and down along the second vertical sliding rail 402, the second connecting frame 407 is used for carrying the second CCD camera 406, the horizontal plane projection light source 404 and the second annular LED light source 403 to move up and down, and is used for adjusting the focal length between the second CCD camera 406 and the hub bearing 18 to be detected, so that the second CCD camera 406 can clearly shoot the appearance image of the upper part of the hub bearing 18, and the detection accuracy is ensured, and the set horizontal plane projection light source 404 and the second annular LED light source 403 are both used for supplementing light for the second CCD camera 406, so that the second CCD camera 406 can clearly acquire the appearance image of the upper part of the hub bearing 18.
Wherein, 3D laser detection mechanism 5 includes brace table 501, rectangular shape supporting seat 502 and grudging post 503, equal fixed mounting is in the inside of frame 15, wherein:
a plurality of sliding sleeves 509 are fixedly embedded on the supporting table 501, a sliding rod 508 is slidably installed on each sliding sleeve 509, a supporting plate 505 is fixedly installed at the upper end of each sliding rod 508, a first station seat 506 for placing a hub bearing 18 is rotatably installed at the upper part of each supporting plate 505, a first motor 507 for driving the first station seat 506 to rotate is fixedly installed on each supporting plate 505, a rotating shaft of each first motor 507 is in transmission connection with the bottom of each first station seat 506, a lifting driving cylinder 510 for driving the supporting plate 505 to lift is fixedly installed on the supporting table 501, and a piston rod of each lifting driving cylinder 510 is fixedly connected with the bottom of each supporting plate 505;
the upper part of the strip-shaped supporting seat 502 is fixedly provided with a second longitudinal linear sliding rail 513 and a second longitudinal driving motor 514, the second longitudinal linear sliding rail 513 is rotatably provided with a second longitudinal driving screw rod 515 through a bearing, the second longitudinal linear sliding rail 513 is provided with a second sliding seat 516 in a sliding manner, the rotating shaft of the second longitudinal driving motor 514 is fixedly connected with one end of the second longitudinal driving screw rod 515, the second sliding seat 516 is in threaded connection with the second longitudinal driving screw rod 515, one side of the second sliding seat 516 facing the first station seat 506 is fixedly provided with a side surface appearance detection CCD camera 517, the side surface appearance detection CCD camera 517 is used for detecting the side surface appearance defect of the hub bearing 18, a vertical plane projection light source 512 is arranged between the side surface appearance detection CCD camera 517 and the first station seat 506, the vertical plane projection light source 512 is vertically and fixedly arranged at the upper part of the strip-shaped supporting seat 502, and one side of the vertical plane projection light source 512, which is close to the first turning-over mechanism 6, is fixedly provided with a third light barrier 511;
The top fixed mounting of grudging post 503 has 3D laser camera 504,3D laser camera 504 to be located directly over first station seat 506, and the camera lens of 3D laser camera 504 just sets up first station seat 506, and 3D laser camera 504 is used for detecting the surface impression trace of wheel hub bearing 18.
With the 3D laser detection mechanism 5 of the above technical solution, when in use, the product conveying mechanism 14 places the hub bearing 18 on the first station seat 506, then the lifting driving cylinder 510 drives the supporting plate 505 to descend to drive the first station seat 506 to separate the hub bearing 18 from the product conveying mechanism 14, so as to ensure that the product conveying mechanism 14 can retract back, then the first motor 507 drives the first station seat 506 to rotate, and the first station seat 506 drives the hub bearing 18 to rotate;
the second longitudinal driving motor 514 is used for driving the second longitudinal driving screw 515 to drive the second sliding seat 516 to move back and forth along the second longitudinal linear sliding rail 513, the second sliding seat 516 drives the side surface appearance detection CCD camera 517 to move towards the hub bearing 18 on the first station seat 506 to adjust the focal length between the side surface appearance detection CCD camera 517 and the hub bearing 18, and the vertical plane projection light source 512 is used for supplementing light for the side surface appearance detection CCD camera 517, so that the side surface appearance detection CCD camera 517 can perform dead-angle-free detection on the side surface appearance of the rotating hub bearing 18, and meanwhile, the 3D laser camera 504 is used for detecting surface stamping marks of the hub bearing 18, thereby improving detection accuracy.
The hub bearing appearance defect detection device, wherein: the specific structure of the first turning mechanism 6 is the same as the specific structure of the second turning mechanism 9, and the first turning mechanism 6 comprises a support frame 601, a third vertical plate 605, a third vertical sliding rail 606, a third vertical driving motor 608, a third vertical screw rod 607, a third connecting frame 602, a revolving cylinder 603 and a turning pneumatic clamping jaw 604, wherein the support frame 601 is fixedly arranged in the frame 15, the third vertical plate 605 is vertically and fixedly arranged at the top of the support frame 601, the third vertical sliding rail 606 is vertically and fixedly arranged at the front part of the third vertical plate 605, the third vertical driving motor 608 is fixedly arranged at the top of the third vertical plate 605, the third vertical screw rod 607 is rotatably arranged on the third vertical plate 605, the upper end of the third vertical screw rod 607 is fixedly connected with the rotating shaft of the third vertical driving motor 608, the third connecting frame 602 is slidably arranged on the third vertical sliding rail 606, the third connecting frame 602 is in threaded connection with the third vertical screw rod 607, the revolving cylinder 603 is fixedly arranged on the third connecting frame 602, the turning pneumatic clamping jaw 604 is fixedly arranged on the rotating shaft of the revolving cylinder 603, and the third vertical driving motor is used for taking out the pneumatic clamping jaw 18.
When the first turning-over mechanism 6 and the second turning-over mechanism 9 adopting the above scheme are used, the third vertical driving motor 608 is used for driving the third vertical screw rod 607 to drive the third connecting frame 602 to move up and down along the third vertical sliding rail 606, and the third connecting frame 602 is used for driving the revolving cylinder 603 and the turning-over pneumatic clamping jaw 604 to move up and down, so that the purpose of turning over after lifting the hub bearing 18 is achieved.
Wherein, the atomizing rust-proof treatment mechanism 10 includes treatment box 1001, sliding cover 1006, sliding cover switch actuating cylinder 1003, rotary seat 1008 and rust inhibitor atomizer 1005, treatment box 1001 passes through landing leg 1002 fixed mounting in the inside of frame 15, the bottom fixed mounting of treatment box 1001 has wearing pipe 1004 rather than inside being linked together, wearing pipe 1004 is used for wearing the pipeline of supplying rust inhibitor, fixed mounting has the dust catcher joint 1009 rather than inside being linked together on the lateral wall of treatment box 1001, the feed opening has been seted up on the upper portion of treatment box 1001, sliding cover 1006 slidable mounting is in the upper portion of treatment box 1001, and sliding cover 1006 is used for sealing the feed opening, sliding cover switch actuating cylinder 1003 fixed mounting is on the lateral wall of treatment box 1001, and sliding cover switch actuating cylinder 1003's piston rod passes through connecting rod 1007 and sliding cover 1006 lateral surface fixed connection, be used for driving sliding cover 1006 to remove in the upper portion of treatment box 1001, rotary seat 1008 rotates the inside of treatment box 1001 and rotary seat 1008 adopts the motor drive rotatory orifice, rotary seat 1008 is used for placing wheel hub 18, rust inhibitor atomizer 1005 is fixed mounting in the inside of treatment box 1001, and rust inhibitor atomizer impeller 1008 sets up towards 1005.
According to the atomization rust-proof treatment mechanism 10 adopting the scheme, when the atomization rust-proof treatment mechanism is used, the sliding cover switch driving cylinder 1003 drives the sliding cover 1006 to open a material opening at the upper part of the treatment box 1001, then the discharging conveying mechanism 11 places the hub bearing 18 on the rotary seat 1008, then the discharging conveying mechanism 11 returns, the sliding cover switch driving cylinder 1003 drives the sliding cover 1006 to close the material opening at the upper part of the treatment box 1001, the rotary seat 1008 is driven to rotate by a motor, the rust-proof agent atomizing nozzle 1005 is connected with the rust-proof agent box, rust-proof oil or rust-proof paint in the rust-proof agent box is pumped into the rust-proof agent atomizing nozzle 1005 through the water pump to be sprayed onto the hub bearing 18 on the rotary seat 1008, a layer of rust-proof oil layer or rust-proof paint layer can be uniformly sprayed on the surface of the hub bearing 18 along with the rotation of the hub bearing 18, the dust collector connector 1009 is connected with the dust collector to suck redundant oil mist or paint mist, after the spraying is finished, and the residual oil mist or paint mist can be sucked away in time, so that the pollution caused by opening of the material opening or the interior paint mist can be avoided.
After the painting is completed, the slide cover switch driving cylinder 1003 drives the slide cover 1006 to open the material port in the upper portion of the processing box 1001, and then the discharge conveyance mechanism 11 takes out the hub bearing 18 from the rotary base 1008 and places it on the acceptable product conveyor 12.
The discharging and conveying mechanism 11 comprises a bottom frame 1101, a four-axis mechanical arm 1102 and a second pneumatic clamping jaw 1103, the bottom frame 1101 is fixedly installed in the frame 15, the four-axis mechanical arm 1102 is fixedly installed on the upper portion of the bottom frame 1101, the second pneumatic clamping jaw 1103 is fixedly installed at the tail end of the four-axis mechanical arm 1102 and used for grabbing hub bearings 18, and the four-axis mechanical arm 1102 is used for driving the second pneumatic clamping jaw 1103 to enter different positions to grab the hub bearings 18.
Wherein each set of product transport mechanisms 14 includes a support platform 1401 and a lift; the upper part of the support platform 1401 is fixedly provided with two Z-direction guide rails 1402 and a Z-direction driving cylinder 1410, the two Z-direction guide rails 1402 are provided with square plates 1403 in a sliding manner, a piston rod of the Z-direction driving cylinder 1410 is fixedly connected with the bottom of the square plates 1403 and is used for driving the square plates 1403 to move linearly along the Z-direction guide rails 1402, the upper part of the square plates 1403 is fixedly provided with two X-direction guide rails 1404, each X-direction guide rail 1404 is provided with a first cross rod 1405 and a second cross rod 1406 in a sliding manner, the first cross rod 1405 and the second cross rod 1406 on each X-direction guide rail 1404 are arranged side by side, and the first cross rod 1405 and the second cross rod 1406 on each X-direction guide rail 1404 can move relatively, and the two second cross rods 1406 are positioned between the two first cross rods 1405;
An X-direction driving cylinder 1411 is fixedly arranged on the upper part of the square plate 1403, a connecting plate 1412 is fixedly arranged at the end part of a piston rod of the X-direction driving cylinder 1411, the upper parts of the connecting plate 1412 are fixedly connected with the bottoms of the two first cross bars 1405, an idler gear 1413 is rotatably arranged on the upper part of the connecting plate 1412 through a rotating shaft, a linear toothed rail 1414 is fixedly arranged on one side, close to each other, of the two second cross bars 1406, and the two linear toothed rails 1414 are meshed with the two sides of the idler gear 1413;
six equally spaced first clamping arms 1409 are horizontally and fixedly mounted on the upper portion of one of the second cross bars 1406, six equally spaced second clamping arms 1408 are horizontally and fixedly mounted on the upper portion of the other of the second cross bars 1406, and the correspondingly positioned second clamping arms 1408 and first clamping arms 1409 cooperate with one another for gripping the hub bearing 18;
the upper part of the first cross rod 1405 is fixedly provided with a clamping arm driving cylinder 1407, and a piston rod of the clamping arm driving cylinder 1407 is fixedly connected with one of the first clamping arms 1409;
when the piston rod of the clamp arm driving cylinder 1407 is shortened, the second clamp arm 1408 and the first clamp arm 1409 at corresponding positions are brought close to each other under the cooperation of the two linear racks 1414 and the idler gear 1413 to clamp the hub bearing 18;
When the piston rod of the clamp arm driving cylinder 1407 is extended, the second clamp arm 1408 and the first clamp arm 1409 at the corresponding positions are separated away from each other under the cooperation of the two linear racks 1414 and the idler gear 1413 to release the hub bearing 18;
when the piston rod of the clamping arm driving cylinder 1407 does not act, the positions between the two linear toothed rails 1414 and the idler gear 1413 are relatively fixed, and at the moment, the positions between the two second cross bars 1406 and the two first cross bars 1405 are relatively fixed, so that the X-direction driving cylinder 1411 can drive the two second cross bars 1406 and the two first cross bars 1405 to move simultaneously;
the lifting platform comprises two first supporting transverse plates 1415 and second supporting transverse plates 1416 which are fixedly installed in the frame 15 side by side, a plurality of first guide sleeves 14152 are embedded on the first supporting transverse plates 1415, first lifting air cylinders 14151 are fixedly installed at the bottoms of the first supporting transverse plates 1415, first guide rods 14153 which are vertically arranged are slidably installed in the plurality of first guide sleeves 14152, first lifting plates 14155 are fixedly installed at the upper ends of the first guide rods 14153, the bottoms of the first lifting plates 14155 are fixedly connected with piston rods of the first lifting air cylinders 14151, and three first product placement seats 14154 are installed at the upper parts of the first lifting plates 14155 at equal intervals;
A plurality of second guide sleeves 14165 are embedded on the second supporting transverse plate 1416, a second lifting cylinder 14164 is fixedly arranged at the bottom of the second supporting transverse plate 1416, second guide rods 14163 which are vertically arranged are slidably arranged in the plurality of second guide sleeves 14165, a second lifting plate 14162 is fixedly arranged at the upper end of each second guide rod 14163, the bottom of each second lifting plate 14162 is fixedly connected with a piston rod of each second lifting cylinder 14164, two second product placing seats 14161 are arranged at the upper part of each second lifting plate 14162, and each second product placing seat 14161 and each first product placing seat 14154 are used for placing a hub bearing 18;
the control mechanism 16 comprises two transverse polish rods 1601 fixedly arranged at the top of the frame 15, wherein the two transverse polish rods 1601 are sheathed with a transverse moving frame 1602 in a sliding way, the transverse moving frame 1602 is fixedly provided with a working state indicator 1608 and a right-angle bending hanging bracket 1603, the bottom end of the right-angle bending hanging bracket 1603 is fixedly provided with a PLC controller 1604, the front part of the PLC controller 1604 is provided with a touch display screen 1605 and a control button 1606, and the handle 1607 is fixedly installed on the side of the PLC controller 1604, the PLC controller 1604 is respectively connected with the touch display screen 1605, the control button 1606, the operating status indicator 1608, the rotary driving motor 104, the solenoid valve on the air path of the box cover switch driving cylinder 107, the first longitudinal driving motor 202, the solenoid valve on the air path of the first vertical telescopic cylinder 204, the solenoid valve on the air path of the first pneumatic clamping jaw 205, the first vertical driving motor 308, the first CCD camera 306, the first annular LED light source 303, the second vertical driving motor 408, the second CCD camera 406, the horizontal plane projection light source 404, the second annular LED light source 403, the first motor 507, the solenoid valve on the air path of the lifting driving cylinder 510, the second longitudinal driving motor 514, the side surface appearance detection CCD camera 517, the vertical plane projection light source 512, the 3D laser camera 504, the third vertical driving motor 608, the solenoid valve on the air path of the rotary cylinder 603, the solenoid valve on the air path of the turning over air cylinder 604, the solenoid valve on the air path of the sliding cover switch driving cylinder 1003, the solenoid valve on the four-axis mechanical arm 1102, the solenoid valve on the second pneumatic clamping jaw 1103, the air path of the Z direction driving cylinder 1103, the solenoid valve on the air path, the electromagnetic valve on the air path of the X direction driving cylinder 1417, the clamping jaw 1410, and the solenoid valve on the air path of the X direction 1407 The solenoid valve on the air path of the first lifting cylinder 14151 is electrically connected with the solenoid valve on the air path of the second lifting cylinder 14164.
Wherein, in order to ensure the air quality in the rack 15, an air purifier 17 is also installed at the top of the rack 15, and the air purifier 17 is used for purifying the air in the rack 15.
In summary, the apparatus for detecting an appearance defect of a hub bearing according to the present embodiment, when in use,
the wheel hub bearing 18 to be detected is supplied to the material taking mechanism 2 through an externally-arranged conveyor belt, the material taking mechanism 2 works, the first longitudinal driving motor 202 drives the first longitudinal driving screw rod 206 to drive the first sliding seat 203 to move forwards along the first longitudinal linear sliding rail 201, the first sliding seat 203 drives the two first vertical telescopic cylinders 204 and the two first pneumatic clamping jaws 205 to move forwards, the first vertical telescopic cylinders 204 drive the two first pneumatic clamping jaws 205 to move downwards, the front first pneumatic clamping jaws 205 grab one wheel hub bearing 18, then lift and move backwards, the wheel hub bearing 18 is placed on the first product placing seat 14154, then the material taking mechanism 2 continues to work to control the wheel hub bearing 18 on the first product placing seat 14154 to be grabbed and placed on the inner supporting clamp 103 in the box body 101 in the blowing anti-dandruff mechanism 1 by the rear first pneumatic clamping jaws 205, the first pneumatic clamping jaw 205 returns, then the blowing chip removing mechanism 1 is automatically started to blow off dust on the surface of the hub bearing 18, after the dust on the surface of the hub bearing 18 is blown off, the blowing chip removing mechanism 1 stops working, the box cover switch driving cylinder 107 drives the box cover 109 to move to open the box opening 102, then the material taking mechanism 2 grabs the hub bearing 18 on the inner supporting clamp 103 and places the same on the product conveying mechanism 14, the product conveying mechanism 14 sends the hub bearing 18 to the first upper appearance defect detecting mechanism 3 for detection, when the product conveying mechanism 14 works, the Z-direction driving cylinder 1410 drives the square plate 1403 to drive the first clamping arm 1409 and the second clamping arm 1408 to move towards the first product placing seat 14154 and the two second product placing seats 14161, then the piston rod of the clamping arm driving cylinder 1407 shortens the second clamping arm 1408 and the first clamping arm 1409 to be close to each other so as to clamp the hub bearing 18 on the first product placing seat 14154 or the second product placing seat 14161, at the moment, the first product placing seat 14154 or the second product placing seat 14161 is lowered, then the Z-direction driving cylinder 1410 drives the square plate 1403 to drive the first clamping arm 1409 and the second clamping arm 1408 to move back to the first product placing seat 14154 and the two second product placing seats 14161, then the X-direction driving cylinder 1411 drives the two second cross bars 1406 and the two first cross bars 1405 to move towards the first upper appearance defect detection mechanism 3 at the same time, then the Z-direction driving cylinder 1410 drives the square plate 1403 to drive the first clamping arm 1409 and the second clamping arm 1408 to move towards the first product placing seat 14154 and the two second product placing seats 14161 again, at the moment, the piston rod of the first product placing seat 14154 or the second product placing seat 14161 of the clamping arm 1407 stretches the second clamping arm to move back to the first clamping arm 1409 to move back to the first product placing seat 14154 and the two second product placing seats 14161, then the X-direction driving cylinder 1411 drives the two second cross bars 1406 and the two first cross bars 1405 to move towards the first upper appearance defect detection mechanism 3 at the same time, then the first rust-shaped bearing surface of the second rust-proof bearing 14118 is lifted to be far from the second rust-proof bearing surface of the first bearing seat 14118, and the rust-proof bearing surface of the rust-proof bearing 18 is further sprayed to be placed on the second surface of the second rust-proof bearing 18, and the rust-proof surface is sprayed on the second surface of the second rust-proof bearing surface of the wheel bearing 18, and the rust-proof surface is sprayed on the surface, and the rust-proof surface is sprayed on the surface, and the products, the products are carried on; the NG product conveyor belt 13 conveys the unqualified hub bearings 18 out of the frame 15; the acceptable product conveyor 12 conveys the inspected acceptable and surface-sprayed rust-resistant hub bearings 18 out of the frame 15.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (10)
1. A hub bearing appearance defect detection apparatus, comprising:
frame (15), frame (15) are used for forming this hub bearing appearance defect detection equipment's installation basis, just install in proper order in frame (15) and blow chip removing mechanism (1), feeding mechanism (2), first upper portion appearance defect detection mechanism (3), second upper portion appearance defect detection mechanism (4), 3D laser detection mechanism (5), first turnover mechanism (6), first lower part appearance defect detection mechanism (7), second lower part appearance defect detection mechanism (8), second turnover mechanism (9), atomizing rust prevention processing mechanism (10), ejection of compact transport mechanism (11), NG product conveyer belt (13) and two combination check product conveyer belts (12), be located in frame (15) blow chip removing mechanism (1) with install two sets of product conveying mechanism (14) that set up side by side between NG product conveyer belt (13), frame (15) are equipped with control mechanism (16) outward, wherein:
The blowing and chip removing mechanism (1) is used for blowing off dust falling on the surface of the hub bearing (18) to be detected;
the material taking mechanism (2) is used for placing the hub bearing (18) to be detected into the blowing anti-dandruff mechanism (1) and simultaneously taking out the hub bearing (18) to be detected, which is blown clean in the blowing anti-dandruff mechanism (1), and placing the hub bearing on the product conveying mechanism (14);
the product conveying mechanism (14) is used for sequentially conveying the blown out hub bearing (18) to be detected to the first upper appearance defect detection mechanism (3), the second upper appearance defect detection mechanism (4), the 3D laser detection mechanism (5), the first turning-over mechanism (6), the first lower appearance defect detection mechanism (7), the second lower appearance defect detection mechanism (8) and the second turning-over mechanism (9);
the first upper appearance defect detection mechanism (3) is used for detecting the upper appearance of the hub bearing (18) to be detected after blowing clean for the first time;
the second upper appearance defect detection mechanism (4) is used for detecting the upper appearance of the hub bearing (18) to be detected after blowing out for the second time;
The 3D laser detection mechanism (5) is used for detecting the upper appearance and the side appearance of the hub bearing (18) to be detected after being blown clean;
the first turning mechanism (6) is used for turning over the hub bearing (18) to be detected after the upper appearance and the side appearance are detected for the first time, so that the lower part of the hub bearing (18) to be detected faces upwards;
the first lower appearance defect detection mechanism (7) is used for detecting the lower appearance of the hub bearing (18) to be detected after blowing clean for the first time;
the second lower appearance defect detection mechanism (8) is used for detecting the lower appearance of the hub bearing (18) to be detected after blowing out for the second time;
the second turning mechanism (9) is used for turning over the hub bearing (18) with the detected lower appearance for the second time, so that the upper part of the detected hub bearing (18) faces upwards;
the atomization rust-proof treatment mechanism (10) is used for spraying a rust-proof layer on the surface of the hub bearing (18) which is qualified in detection;
the discharging conveying mechanism (11) is used for placing the hub bearing (18) which is qualified in detection into the atomization rust-proof treatment mechanism (10), simultaneously taking out the hub bearing (18) with the rust-proof layer sprayed on the surface from the interior of the atomization rust-proof treatment mechanism (10) and placing the hub bearing on the qualified product conveyor belt (12), and simultaneously directly placing the hub bearing (18) which is unqualified in detection on the NG product conveyor belt (13);
The NG product conveyor belt (13) is used for conveying the hub bearing (18) which is unqualified in detection out of the frame (15);
the qualified product conveyor belt (12) is used for conveying the hub bearing (18) which is qualified in detection and is sprayed with the rust-proof layer on the surface out of the frame (15);
the control mechanism (16) is used for controlling the automatic work of the blowing anti-dandruff mechanism (1), the material taking mechanism (2), the first upper appearance defect detection mechanism (3), the second upper appearance defect detection mechanism (4), the 3D laser detection mechanism (5), the first turning-over mechanism (6), the first lower appearance defect detection mechanism (7), the second lower appearance defect detection mechanism (8), the second turning-over mechanism (9), the atomization rust prevention treatment mechanism (10), the discharging conveying mechanism (11), the NG product conveying belt (13), the two combination lattice product conveying belts (12) and the two groups of product conveying mechanisms (14) respectively.
2. The hub bearing appearance defect detection device according to claim 1, wherein the blowing and chip removing mechanism (1) comprises a box body (101), an inner support clamp (103), a speed reducer (105), a rotary driving motor (104), a high-pressure blowing head (106), a box cover (109) and a box cover switch driving cylinder (107), wherein the box body (101) is fixedly arranged in the frame (15), the box body (101) is provided with a box opening (102), the box opening (102) is used as a passage for the in and out of the hub bearing (18), a dust collector interface (108) communicated with the inside of the box body (101) is fixedly arranged on one side surface of the box body (101), the dust collector interface (108) is used for connecting a dust collector, the inner support clamp (103) is rotatably arranged on the inner bottom wall of the box body (101), the inner support clamp (103) is used for placing a hub bearing (18) and is used for supporting an inner hole wall of the hub bearing (18), the speed reducer (105) is fixedly arranged at the bottom of the box body (101), the speed reducer (101) is fixedly arranged at the bottom of the motor (101), the speed reducer (105) is fixedly connected with the rotary driving shaft (104) and is fixedly connected with the rotary driving shaft (104), the rotary driving motor (104) is used for driving the speed reducer (105) to drive the internal stay anchor clamps (103) to rotate, high-pressure blowing head (106) fixed mounting is in the inside of box (101), just the direction of blowing of high-pressure blowing head (106) is towards hub bearing (18) setting on internal stay anchor clamps (103), high-pressure blowing head (106) external high-pressure air supply, case lid (109) slidable mounting is in the inside of box (101) for seal case mouth (102), the upper portion fixed mounting of case lid (109) has direction slide rail (110), the interior roof bottom fixed mounting of box (101) has direction slider (111), direction slider (111) slidable mounting is in on direction slide rail (110), case lid switch drive cylinder (107) fixed mounting is in on the lateral wall of box (101), just the piston rod of case lid switch drive cylinder (107) stretch into the inside of box (101) and with case lid (109) fixed connection for reciprocating motion of case lid (109).
3. The hub bearing appearance defect detection device according to claim 2, wherein the material taking mechanism (2) comprises a first longitudinal linear slide rail (201), a first longitudinal driving motor (202), a first longitudinal driving screw (206), a first sliding seat (203), two first vertical telescopic cylinders (204) and two first pneumatic clamping jaws (205), the first longitudinal linear slide rail (201) is horizontally and fixedly installed inside the frame (15), the first longitudinal driving motor (202) is fixedly installed at one end of the first longitudinal linear slide rail (201), the first longitudinal driving screw (206) is rotatably installed on the first longitudinal linear slide rail (201) through a bearing, one end of the first longitudinal driving screw (206) is fixedly connected with a rotating shaft of the first longitudinal driving motor (202), the first sliding seat (203) is slidably installed on the first longitudinal linear slide rail (201), the first sliding seat (203) is fixedly connected with the first longitudinal driving screw (206) through threads, the two first sliding seats (203) are fixedly installed at two ends of the first pneumatic clamping jaws (204) respectively, the two first sliding seats (204) are fixedly installed at two ends of the first pneumatic clamping jaws (18), and the first pneumatic clamping jaw (205) near the box opening (102) can enter the interior of the box body (101) through the box opening (102).
4. The hub bearing appearance defect detection apparatus according to claim 3, wherein the specific structure of the first upper appearance defect detection mechanism (3) is the same as the specific structure of the first lower appearance defect detection mechanism (7), and the first upper appearance defect detection mechanism (3) comprises a first riser (301), a first vertical slide rail (302), a first vertical driving motor (308), a first vertical screw (309), a first connection frame (307), a first CCD camera (306), a reflective cover (304) and a first annular LED light source (303), the first riser (301) is vertically and fixedly mounted inside the frame (15), the first vertical slide rail (302) is vertically and fixedly mounted in front of the first riser (301), the first vertical screw (309) is fixedly mounted on top of the first riser (301), the first vertical screw (309) is rotatably mounted on the first riser (301) by a bearing, and the first vertical motor (309) is vertically and fixedly mounted on the first vertical screw (307) and the first vertical screw (309) is fixedly connected to the first vertical slide rail (301), the first CCD camera (306) is fixedly installed on the first connecting frame (307), the first CCD camera is used for detecting appearance defects of the hub bearing (18), the reflecting cover (304) and the first annular LED light source (303) are both installed on the first vertical sliding rail (302) in a sliding mode through a first sliding plate, the bottom of the first connecting frame (307) is fixedly connected with the upper portion of the first sliding plate, the reflecting cover (304) is located under a lens of the first CCD camera (306), a through hole (305) for avoiding the lens of the first CCD camera (306) is formed in the center of the top of the reflecting cover (304), the first annular LED light source (303) is located under the reflecting cover (304), and the reflecting cover (304) is used for intensively reflecting light emitted by the first annular LED light source (303) to the periphery of the hub bearing (18) to be detected and used for improving brightness of the periphery of the hub bearing (18) to be detected.
5. The hub bearing appearance defect detection apparatus of claim 4, wherein the specific structure of the second upper appearance defect detection mechanism (4) is the same as the specific structure of the second lower appearance defect detection mechanism (8), and the second upper appearance defect detection mechanism (4) comprises a second riser (401), a second vertical slide rail (402), a second vertical drive motor (408), a second vertical screw (409), a second connection frame (407), a second CCD camera (406), a horizontal plane projection light source (404) and a second annular LED light source (403), the second riser (401) is vertically and fixedly mounted inside the frame (15), the second vertical slide rail (402) is vertically and fixedly mounted in front of the second riser (401), the second vertical screw (409) is rotatably mounted on the second riser (401) by a bearing, and the second vertical screw (409) is vertically and fixedly mounted on the second riser (401) and is fixedly connected to the second screw (407) at the vertical screw shaft (409), the second CCD camera (406) is fixedly arranged on the second connecting frame (407) and used for detecting appearance defects of the hub bearing (18), the horizontal plane projection light source (404) and the second annular LED light source (403) are both arranged on the second vertical sliding rail (402) in a sliding manner through a second sliding plate, the bottom of the second connecting frame (407) is fixedly connected with the upper part of the second sliding plate, the horizontal plane projection light source (404) is positioned under a lens of the second CCD camera (406), a perspective area for avoiding the lens of the second CCD camera (406) is reserved at the central position of the horizontal plane projection light source (404), the second annular LED light source (403) is positioned under the horizontal plane projection light source (404), and bright light emitted by the horizontal plane projection light source (404) and the second annular LED light source (403) is used for improving brightness of the hub around the bearing (18) to be detected;
The novel light-blocking device is characterized in that a first light-blocking plate (310) is arranged between the first upper appearance defect detection mechanism (3) and the second upper appearance defect detection mechanism (4), a second light-blocking plate (405) is arranged between the second upper appearance defect detection mechanism (4) and the 3D laser detection mechanism (5), the first light-blocking plate (310) is fixedly connected with the first vertical plate (301) through a first angle plate, and the second light-blocking plate (405) is fixedly connected with the second vertical plate (401) through a second angle plate.
6. The hub bearing appearance defect detection apparatus according to claim 5, wherein the 3D laser detection mechanism (5) includes a support table (501), an elongated support base (502), and a stand (503), the support table (501), the elongated support base (502), and the stand (503) are all fixedly mounted inside the frame (15), wherein:
a plurality of sliding sleeves (509) are fixedly embedded on the supporting table (501), a sliding rod (508) is slidably installed in each sliding sleeve (509), a supporting plate (505) is fixedly installed at the upper end of each sliding rod (508), a first station seat (506) for placing a hub bearing (18) is rotatably installed at the upper part of each supporting plate (505), a first motor (507) for driving the first station seat (506) to rotate is fixedly installed on each supporting plate (505), a rotating shaft of each first motor (507) is in transmission connection with the bottom of each first station seat (506), a lifting driving cylinder (510) for driving the supporting plate (505) to lift is fixedly installed on the supporting table (501), and a piston rod of each lifting driving cylinder (510) is fixedly connected with the bottom of each supporting plate (505).
A second longitudinal linear sliding rail (513) and a second longitudinal driving motor (514) are fixedly arranged at the upper part of the strip-shaped supporting seat (502), a second longitudinal driving screw rod (515) is rotatably arranged on the second longitudinal linear sliding rail (513) through a bearing, a second sliding seat (516) is slidably arranged on the second longitudinal linear sliding rail (513), a rotating shaft of the second longitudinal driving motor (514) is fixedly connected with one end of the second longitudinal driving screw rod (515), the second sliding seat (516) is in threaded connection with the second longitudinal driving screw rod (515), a side surface appearance detection CCD camera (517) is fixedly arranged on one side of the second sliding seat (516) facing the first station seat (506), the side surface appearance detection CCD camera (517) is used for detecting side surface appearance defects of a hub bearing (18), a vertical plane light source (512) is arranged between the side surface appearance detection CCD camera (517) and the first station seat (506), the vertical plane light source (512) is vertically and fixedly arranged on the strip-shaped supporting seat (502) and is close to a first light blocking plate (511), and a third light blocking plate (511) is fixedly arranged on one side of the strip-shaped supporting seat (502);
The top fixed mounting of grudging post (503) has 3D laser camera (504), 3D laser camera (504) are located directly over first station seat (506), just the camera lens of 3D laser camera (504) just set up first station seat (506), 3D laser camera (504) are used for detecting the surface impression vestige of wheel hub bearing (18).
7. The hub bearing appearance defect detection device according to claim 6, wherein the specific structure of the first turning mechanism (6) is the same as the specific structure of the second turning mechanism (9), the first turning mechanism (6) comprises a support frame (601), a third vertical plate (605), a third vertical sliding rail (606), a third vertical driving motor (608), a third vertical screw (607), a third connecting frame (602), a revolving cylinder (603) and a turning pneumatic clamping jaw (604), the support frame (601) is fixedly mounted in the frame (15), the third vertical plate (605) is vertically and fixedly mounted at the top of the support frame (601), the third vertical sliding rail (606) is vertically and fixedly mounted at the front of the third vertical plate (605), the third vertical screw (608) is fixedly mounted at the top of the third vertical plate (605), the third vertical screw (607) is rotatably mounted on the third vertical plate (605), the upper end of the third vertical screw (607) is fixedly connected with the third sliding rail (602) through the third vertical sliding rail (606), the turning cylinder (603) is fixedly arranged on the third connecting frame (602), the turning pneumatic clamping jaw (604) is fixedly arranged on a rotating shaft of the turning cylinder (603), and the turning pneumatic clamping jaw (604) is used for clamping the hub bearing (18).
8. The hub bearing appearance defect detection apparatus according to claim 7, wherein the atomization rust preventive treatment mechanism (10) comprises a treatment tank (1001), a slide cover (1006), a slide cover switch driving cylinder (1003), a rotating base (1008) and a rust preventive atomizer (1005), the treatment tank (1001) is fixedly mounted inside the frame (15) through a support leg (1002), a penetrating pipe (1004) communicated with the inside thereof is fixedly mounted at the bottom of the treatment tank (1001), a cleaner joint (1009) communicated with the inside thereof is fixedly mounted on the side wall of the treatment tank (1001), a material opening is formed in the upper portion of the treatment tank (1001), the slide cover (1006) is slidably mounted on the upper portion of the treatment tank (1001), the slide cover (1006) is used for closing the material opening, the slide cover switch driving cylinder (1003) is fixedly mounted on the side wall of the treatment tank (1001), a piston rod of the slide cover switch driving cylinder (1003) is fixedly connected with the sliding cover (1006) through a connecting rod (1007) for driving the rotating base (1008) on the inside of the treatment tank (1001), the rotary seat (1008) is used for placing the hub bearing (18), the antirust agent atomizer (1005) is fixedly installed inside the treatment box (1001), and spray holes of the antirust agent atomizer (1005) are arranged towards the rotary seat (1008).
9. The hub bearing appearance defect detection device according to claim 8, wherein the discharging and conveying mechanism (11) comprises a chassis (1101), a four-axis mechanical arm (1102) and a second pneumatic clamping jaw (1103), the chassis (1101) is fixedly installed inside the frame (15), the four-axis mechanical arm (1102) is fixedly installed on the upper portion of the chassis (1101), and the second pneumatic clamping jaw (1103) is fixedly installed at the tail end of the four-axis mechanical arm (1102) and used for grabbing a hub bearing (18).
10. The hub bearing appearance defect detection apparatus according to claim 9, wherein each set of the product conveying mechanisms (14) includes a support platform (1401) and a lifting platform;
the upper part of the supporting platform (1401) is fixedly provided with two Z-direction guide rails (1402) and a Z-direction driving air cylinder (1410), the two Z-direction guide rails (1402) are provided with square plates (1403) in a sliding manner, piston rods of the Z-direction driving air cylinders (1410) are fixedly connected with the bottoms of the square plates (1403) and are used for driving the square plates (1403) to do linear motion along the Z-direction guide rails (1402), the upper part of the square plates (1403) is fixedly provided with two X-direction guide rails (1404), each X-direction guide rail (1404) is provided with a first cross rod (1405) and a second cross rod (1406) in a sliding manner, the first cross rod (1405) and the second cross rod (1406) on each X-direction guide rail (1404) are arranged side by side, and the first cross rod (1405) and the second cross rod (1406) on each X-direction guide rail (1404) can move relatively;
An X-direction driving cylinder (1411) is fixedly arranged at the upper part of the square plate (1403), a connecting plate (1412) is fixedly arranged at the end part of a piston rod of the X-direction driving cylinder (1411), the upper parts of the connecting plate (1412) are fixedly connected with the bottoms of the two first cross bars (1405), an idler gear (1413) is rotatably arranged at the upper parts of the connecting plate (1412) through a rotating shaft, a linear toothed rail (1414) is fixedly arranged at one side, close to each other, of the two second cross bars (1406), and the two linear toothed rails (1414) are meshed with two sides of the idler gear (1413);
six equally spaced first clamping arms (1409) are horizontally and fixedly mounted on the upper portion of one of the second cross bars (1406), six equally spaced second clamping arms (1408) are horizontally and fixedly mounted on the upper portion of the other of the second cross bars (1406), and the second clamping arms (1408) and the first clamping arms (1409) in corresponding positions are mutually matched for grabbing a hub bearing (18);
a clamping arm driving cylinder (1407) is fixedly arranged at the upper part of the first cross rod (1405), and a piston rod of the clamping arm driving cylinder (1407) is fixedly connected with one of the first clamping arms (1409);
When the piston rod of the clamping arm driving cylinder (1407) is shortened, the second clamping arm (1408) and the first clamping arm (1409) at corresponding positions are mutually close to clamp a hub bearing (18) under the cooperation of the two linear toothed rails (1414) and the idler gear (1413);
when the piston rod of the clamping arm driving cylinder (1407) is extended, the second clamping arm (1408) and the first clamping arm (1409) at corresponding positions are mutually far away to loosen the hub bearing (18) under the cooperation of the two linear toothed rails (1414) and the idler gear (1413);
when the piston rod of the clamping arm driving cylinder (1407) does not act, the positions between the two straight toothed rails (1414) and the idler gear (1413) are relatively fixed, so that the positions between the two second cross bars (1406) and the two first cross bars (1405) are relatively fixed, and the X-direction driving cylinder (1411) can drive the two second cross bars (1406) and the two first cross bars (1405) to move simultaneously;
the lifting table comprises two first supporting transverse plates (1415) and second supporting transverse plates (1416) which are fixedly arranged in a rack (15) side by side, a plurality of first guide sleeves (14152) are embedded in the first supporting transverse plates (1415), first lifting air cylinders (14151) are fixedly arranged at the bottoms of the first supporting transverse plates (1415), a plurality of first guide rods (14153) which are vertically arranged are slidably arranged in the first guide sleeves (14152), first lifting plates (14155) are fixedly arranged at the upper ends of the first guide rods (14153), the bottoms of the first lifting plates (14155) are fixedly connected with piston rods of the first lifting air cylinders (14151), and three first product placement seats (14154) are equidistantly arranged at the upper parts of the first lifting plates (14155);
A plurality of second guide sleeves (14165) are embedded on the second support transverse plate (1416), a second lifting cylinder (14164) is fixedly arranged at the bottom of the second support transverse plate (1416), a plurality of second guide rods (14163) which are vertically arranged are slidably arranged in the second guide sleeves (14165), a second lifting plate (14162) is fixedly arranged at the upper end of each second guide rod (14163), the bottom of each second lifting plate (14162) is fixedly connected with a piston rod of each second lifting cylinder (14164), two second product placing seats (14161) are arranged at the upper part of each second lifting plate (14162), and the two second product placing seats (14161) and the three first product placing seats (14154) are all used for placing hub bearings (18);
the control mechanism (16) comprises two transverse polished rods (1601) fixedly mounted on the top of the frame (15), the two transverse polished rods (1601) are sleeved with a transverse moving frame (1602) in a sliding mode, an operating state indicator lamp (1608) and a right-angle bending hanging bracket (1603) are fixedly mounted on the transverse moving frame (1602), a PLC controller (1604) is fixedly mounted at the bottom end of the right-angle bending hanging bracket (1603), a touch display screen (1605) and a control button (1606) are mounted at the front part of the PLC controller (1604), a handle (1607) is fixedly mounted on the side part of the PLC controller (1604), the PLC controller (1604) is respectively connected with the touch display screen (1605), the control button (1606), the operating state indicator lamp (1608), a rotary driving motor (104), an electromagnetic valve on a box cover switch driving cylinder (107), a first longitudinal driving motor (202), an electromagnetic valve on a first vertical telescopic cylinder (204) air path, a motor on a first pneumatic clamping jaw (205), a first vertical driving motor (306), a first annular CCD (306), a second annular CCD (406), a first annular CCD (408), a second annular LED (408), a first annular LED (406) and a second LED (303) which are respectively The electromagnetic valve on the lifting driving cylinder (510) air path, the second longitudinal driving motor (514), the side surface appearance detection CCD camera (517), the vertical plane projection light source (512), the 3D laser camera (504), the third vertical driving motor (608), the electromagnetic valve on the revolving cylinder (603) air path, the electromagnetic valve on the turning over pneumatic clamping jaw (604) air path, the electromagnetic valve on the sliding cover switch driving cylinder (1003) air path, the four-axis mechanical arm (1102), the electromagnetic valve on the second pneumatic clamping jaw (1103) air path, the electromagnetic valve on the Z-direction driving cylinder (1410) air path, the electromagnetic valve on the X-direction driving cylinder (1411) air path, the electromagnetic valve on the clamping arm driving cylinder (1407) air path, the electromagnetic valve on the first lifting cylinder (14151) air path and the electromagnetic valve on the second lifting cylinder (14164) air path are electrically connected.
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