CN115043215A - Glass detection carrying platform - Google Patents
Glass detection carrying platform Download PDFInfo
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- CN115043215A CN115043215A CN202210708229.5A CN202210708229A CN115043215A CN 115043215 A CN115043215 A CN 115043215A CN 202210708229 A CN202210708229 A CN 202210708229A CN 115043215 A CN115043215 A CN 115043215A
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- 239000011521 glass Substances 0.000 title claims abstract description 80
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000001179 sorption measurement Methods 0.000 claims abstract description 25
- 238000005086 pumping Methods 0.000 claims abstract 2
- 238000003825 pressing Methods 0.000 claims description 44
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 9
- 238000004519 manufacturing process Methods 0.000 abstract description 9
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- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
- B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
- B65G49/061—Lifting, gripping, or carrying means, for one or more sheets forming independent means of transport, e.g. suction cups, transport frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
- B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
- B65G49/063—Transporting devices for sheet glass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
- B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
- B65G49/063—Transporting devices for sheet glass
- B65G49/064—Transporting devices for sheet glass in a horizontal position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/041—Camera
Landscapes
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
Glass detects delivery platform belongs to glass production and detects technical field, has solved among the prior art poor stability in the process of carrying glass, causes glass technical problem such as fish tail easily. The platform includes: the device comprises a base, an air floatation platform, a clamping and moving device, a primary positioning device, an image shooting device, an air supply system, a vacuum adsorption system and a control system; placing the glass to be detected on an air floating platform, and fixing and conveying the glass by a clamping and moving device; the primary positioning device prevents the glass to be detected from drifting; the method comprises the steps that an image shooting device collects a detection carrying image of glass to be detected; the air supply system supplies air for the clamping moving device; the vacuum adsorption system provides a vacuum pumping state for the clamping and moving device. The air floatation support is adopted for the glass, so that the glass is uniformly stressed in the carrying process, and the damage is avoided.
Description
Technical Field
The invention belongs to the technical field of glass production detection, and particularly relates to a glass detection carrying platform.
Background
Glass is used in electronic display screens more and more widely, for example, as protective glass (i.e. glass cover plate) for televisions, notebook computers, pads, mobile phones, etc. At present, for surface detection of area glass, a human eye detection method is mostly adopted on a production line and is assisted by tools such as a microscope, a magnifier and the like, but the human eye detection method has the defects and limitations: because the detection of defects by human eyes under strong light is not only low in efficiency, but also influenced by subjective factors, the detection results of people with different eyesight have larger difference and lack of uniform judgment standards; and due to the influence of the working environment, the detector is easy to cause the occurrence of wrong judgment or missed detection caused by fatigue. For the manufacturing enterprises, the product quality is an important link to be considered. The surface defects of the glass cover plate directly affect the quality of products, and only when the quality is ensured to be over-close, a production enterprise can occupy larger market share. Therefore, how to improve the method for detecting the surface defects of the glass cover plate becomes a bottleneck for restricting the development of enterprises and improving the benefits of the enterprises.
For an enterprise producing the glass cover plate for reprocessing, the detection system can prevent defective products from entering a subsequent process, reduce cost and improve quality, and can analyze which step the defect is introduced according to the detected defect characteristics, so that the production process is further improved, the defects in the production process are reduced, and the product performance and the yield are improved. Therefore, a system and method for high-speed, stable, non-contact detection of surface defects of glass cover plates is indispensable to the market.
Such as mobile phone screen films, laser resonant cavities, camera lenses, electronic product display screens, spectacle lenses and satellite optical lenses. With the development of technology, the demand and demand for glass are further increased. However, in the glass production process, due to the production process and other reasons, defects such as scratches and bumps on the glass surface, which affect the flatness of the glass surface, are generated, and the quality of the glass is affected. Therefore, how to rapidly and effectively detect the surface defects of the glass becomes a problem to be solved urgently.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a glass detection carrying platform, which solves the technical problems that in the prior art, the stability is poor in the process of conveying glass, the glass is easy to scratch and the like.
The technical scheme adopted by the invention for solving the technical problem is as follows:
glass detects delivery platform, this platform includes: the device comprises a base, an air floatation platform, a clamping and moving device, a primary positioning device, an image shooting device, an air supply system, a vacuum adsorption system and a control system; the air floatation platform, the clamping and moving device, the primary positioning device, the image shooting device, the air supply system, the vacuum adsorption system and the control system are arranged on the base; the glass to be detected is placed on the air floatation platform and is fixed and conveyed through the clamping and moving device; the primary positioning device prevents the glass to be detected from drifting; the image shooting device collects a detection carrying image of the glass to be detected; the gas supply system; the air supply system supplies air to the clamping and moving device; the vacuum adsorption system provides a vacuumizing state for the clamping moving device; the control system controls the driving and the control of the air floating platform, the clamping moving device, the primary positioning device, the image shooting device, the air supply system and the vacuum adsorption system.
Preferably, the air floating platform comprises air floating plates extending horizontally and linearly, a plurality of the air floating plates are arranged at intervals and fixed on the base, and the air floating plates form a grid-shaped air floating platform;
the clamping and moving device comprises an air floatation guide rail, a transverse air cylinder, a transverse movable frame, a longitudinal air cylinder and a longitudinal movable frame; the base is provided with two air-floating guide rails which are respectively positioned at two sides of the air-floating platform, the two air-floating guide rails are arranged in parallel from left to right, and each air-floating guide rail is provided with an air-floating sliding table capable of moving horizontally and linearly; the transverse cylinder is provided with a cylinder rod which horizontally and transversely stretches, the axis of the cylinder rod of the transverse cylinder is perpendicular to the air floatation guide rail, and the transverse cylinder is arranged on an air floatation sliding table of the air floatation guide rail; the transverse movable frame is arranged on a cylinder rod of the transverse air cylinder, and a transverse contact unit for contacting and pressing the side edge of the glass is arranged on the transverse movable frame; the longitudinal cylinder is provided with a cylinder rod which horizontally and longitudinally stretches, the axis of the cylinder rod of the longitudinal cylinder is parallel to the air floatation guide rail, and the longitudinal cylinder is arranged on the transverse movable frame; the longitudinal movable frame is arranged on a cylinder rod of the longitudinal cylinder, and a longitudinal pressing unit for pressing the edge of the glass end is arranged on the longitudinal movable frame; the transverse air cylinder, the transverse movable frame, the longitudinal air cylinder, the longitudinal movable frame, the transverse contact-press unit and the longitudinal contact-press unit form corner clamping assemblies for clamping corners of glass, four groups of corner clamping assemblies distributed in a matrix manner are mounted on the two air-floatation guide rails, and the corner clamping assemblies are arranged above the air-floatation platform;
the primary positioning device comprises a lifting cylinder, a linear module, a positioning frame, a positioning spring and a proximity switch; the lifting cylinder is fixed on the base and is positioned in a gap between air floatation plates of the air floatation platform, and the lifting cylinder is provided with a cylinder rod which is telescopic in the vertical direction; the linear module is provided with a sliding block capable of moving horizontally and linearly and is arranged on a cylinder rod of the lifting cylinder; the positioning frame comprises a vertical frame extending vertically and a transverse rod extending horizontally transversely, the transverse rod and the vertical frame form an L-shaped structure, the axis of the transverse rod is parallel to the moving direction of the sliding block of the linear module, the transverse rod is installed on the sliding block of the linear module, and the transverse rod moves along the axis of the transverse rod; the positioning spring is arranged on the positioning frame and applies elasticity parallel to the moving direction of the sliding block to the positioning frame; the proximity switch is arranged on a sliding block of the linear module and is controlled to be opened and closed by the horizontal transverse position of the positioning frame;
the image shooting device comprises a portal frame and image shooting elements, the portal frame is installed on the base, a plurality of image shooting elements are uniformly installed on a beam of the portal frame, and a detection station is arranged below the portal frame.
Preferably, the air-floating platform consists of two carrying plane sections and a detection plane section located between the two carrying plane sections.
Preferably, the transverse pressing unit and the longitudinal pressing unit comprise pressing top plates and pressing springs, the pressing top plates are provided with pressing end faces which are in contact with the edges of the glass, and the pressing top plates are hinged and installed through pin shafts with vertical axes; two contact pressure springs which are bilaterally symmetrical are arranged between the contact pressure top plate and the transverse movable frame and between the contact pressure top plate and the longitudinal movable frame.
Preferably, the upper end of the vertical frame is provided with a positioning pressing block, the transverse rod is a cylindrical guide rod, the sliding block is provided with a guide round hole combined with the cylindrical guide rod, and the transverse rod is inserted into the guide round hole of the sliding block.
Preferably, the end part of the transverse rod far away from the vertical frame is provided with an end head part, the positioning spring is sleeved on the transverse rod, and two end parts of the positioning spring respectively press the sliding block and the end head part.
Preferably, a position target is fixed on the transverse rod, and the position target moves towards the positioning frame and triggers the proximity switch to be turned off.
Preferably, the gas supply system includes: the system comprises an air compressor, an air storage tank, a C-stage filter, a dryer, a T-stage filter, an A-stage filter and a proportional valve; air compressor, gas holder, C level filter, desiccator, T level filter, A level filter and proportional valve connect gradually, do the centre gripping mobile device provides even invariable pressure.
Preferably, the vacuum adsorption system comprises: vacuum relief valves, filtration systems, and vacuum pump systems; the vacuum pressure reducing valve, the filtering system and the vacuum pump system are sequentially connected to provide a vacuum state for the clamping moving device.
Preferably, the control system comprises a driver and a controller.
The invention has the beneficial effects that:
the gantry type double-drive air floatation guide rail is adopted, and the marble air floatation guide rail is adopted, so that the precision is high, and the performance is stable; by adopting the non-contact air bearing, the non-contact iron core-free linear motor drive and the non-contact feedback device, the abrasion or performance reduction can not occur, and the service life is unlimited.
The system is provided with the high-performance driver and the controller, has excellent servo performance and an error compensation function, and can effectively improve the positioning precision. Compared with a common servo control system, the performance is greatly improved.
The invention can smoothly move the glass without friction and vibration, realizes high-precision moving and positioning by matching the action of the primary positioning device and the clamping and moving device, and obviously improves the positioning precision and the repeatability precision. The Pitch/Roll/Yaw index is greatly improved.
The air floatation support is adopted for the glass, so that the glass is uniformly stressed in the carrying process, and the damage is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a clamping and moving device according to the present invention;
FIG. 3 is a schematic structural diagram of a transverse pressing unit according to the present invention;
FIG. 4 is a schematic structural diagram of a primary positioning device according to the present invention;
FIG. 5 is a schematic view of the gas supply system of the present invention;
FIG. 6 is a schematic view of a vacuum adsorption system according to the present invention.
In the figure: 1. a base; 2. an air floating platform; 2-1, an air floating plate; 3. clamping the mobile device; 3-1, an air floatation guide rail; 3-1-1, a base guide rail; 3-1-2, linear guide rail motor; 3-1-3, an air floatation sliding table; 3-1-4, a transverse air cushion plate; 3-1-5, longitudinal air cushion plates; 3-2, a transverse cylinder; 3-3, transverse movable frame; 3-4, a longitudinal cylinder; 3-5, longitudinal movable frame; 3-6, a transverse touch pressing unit; 3-6-1, pressing the top plate; 3-6-2, a contact pressure spring; 3-7, a longitudinal pressing unit; 4. a primary positioning device; 4-1, a lifting cylinder; 4-2, a linear module; 4-2-1, linear guide rail; 4-2-2, a servo motor; 4-2-3, lead screw; 4-2-4, a slide block; 4-3, a positioning frame; 4-3-1, vertical frame; 4-3-2, transverse bar; 4-3-3, positioning and pressing blocks; 4-4, a positioning spring; 4-5, a proximity switch; 4-6, position mark plate; 5. an image pickup device; 5-1, a portal frame; 5-2, an image pickup element.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Referring to fig. 1-4, the present invention provides the following technical solutions: a glass detection device comprises a base 1, an air floatation platform 2, a clamping moving device 3, a primary positioning device 4, an image shooting device 5, an air supply system, a vacuum adsorption system and a control system. The air floatation platform 2, the clamping moving device 3, the primary positioning device 4, the image shooting device 5, the air supply system, the vacuum adsorption system and the control system are arranged on the base 1; the glass to be detected is placed on the air floatation platform 2 and is fixed and conveyed through the clamping moving device 3; the primary positioning device 4 prevents the glass to be detected from drifting; the image shooting device 5 collects a detection carrying image of the glass to be detected; the gas supply system supplies gas to the clamping and moving device 3; the vacuum adsorption system provides a vacuumizing state for the clamping and moving device 3; the control system controls the driving and the control of the air floating platform 2, the clamping moving device 3, the primary positioning device 4, the image shooting device 5, the air supply system and the vacuum adsorption system.
The air floating platform 2 comprises air floating plates 2-1 extending horizontally and linearly, a plurality of air floating plates are arranged at intervals and fixed on the base 1, and the air floating plates 2-1 form a grid-shaped air floating platform. In this embodiment, the base 1 is a marble table, the horizontal position of the air floating plate 2-1 can be adjusted, and the width of the air floating platform 2 can be changed by adjusting the horizontal position of the air floating plate 2-1, so that the air floating platform is suitable for detecting glass with different sizes. The air floating plate 2-1 is a known part. In this embodiment, the air floating platform 2 is composed of two transporting plane sections and a detecting plane section located between the two transporting plane sections. The air floating plate 2-1 of the conveying plane section is a common air floating plate, and the detection plane section is a precise air floating guide rail. The requirement of 0.02mm flatness of the detection area can be ensured.
The clamping and moving device 3 comprises an air floatation guide rail 3-1, a transverse cylinder 3-2, a transverse movable frame 3-3, a longitudinal cylinder 3-4 and a longitudinal movable frame 3-5.
The base 1 is provided with two air-floating guide rails 3-1 which are respectively positioned at two sides of the air-floating platform 2, and the two air-floating guide rails 3-1 are arranged in parallel left and right.
The air-floating guide rail 3-1 comprises a base guide rail 3-1-1, a linear guide rail motor 3-1-2, an air-floating sliding table 3-1-3, a transverse air cushion plate 3-1-4 and a longitudinal air cushion plate 3-1-5. The base rail 3-1-1 is a linear rail having a rectangular cross section. The air-float sliding table 3-1-3 is arranged above the base guide rail 3-1-1, the transverse air cushion plate 3-1-4 is arranged at the lower part of the air-float sliding table 3-1-3, the transverse air cushion plate 3-1-4 is supported on the base 1, and the downward air holes of the transverse air cushion plate 3-1-4 eject air and form an air film between the transverse air cushion plate 1-4 and the upper end surface of the base guide rail 1-1. The longitudinal air cushion plates 3-1-5 are installed at the lower portion of the air floatation sliding table 3-1-3, the longitudinal air cushion plates 3-1-5 are located on the left side and the right side of the base guide rail 3-1-1, and the longitudinal air cushion plates 3-1-5 eject air and form air films between the longitudinal air cushion plates 3-1-5 and the side end faces of the base guide rail 3-1-1. The linear guide motor 3-1-2 is a conventional known component and is arranged between the base guide rail 3-1-1 and the air floatation sliding table 3-1-3, the linear guide motor 3-1-2 is provided with a motor loose piece which moves linearly along the base guide rail 3-1-1, the motor loose piece is connected with the air floatation sliding table 3-1-3, and the linear guide motor 3-1-2 works to drive the air floatation sliding table 3-1-3 to move linearly. In the embodiment, the linear guide rail motor 3-1-2 is a coreless direct-drive linear motor.
The transverse cylinder 3-2 is provided with a cylinder rod which horizontally and transversely stretches, the axis of the cylinder rod of the transverse cylinder 3-2 is vertical to the air floatation guide rail, and the transverse cylinder 3-2 is arranged on an air floatation sliding table 3-1-3 of the air floatation guide rail 3-1. The transverse movable frame 3-3 is arranged on a cylinder rod of the transverse cylinder 3-2, and the transverse press unit 3-6 for pressing the side edge of the glass is arranged on the transverse movable frame 3-3. Namely, the cylinder body of the transverse cylinder 3-2 is fixed on the air-floating sliding tables 3-1-3, the cylinder rods of the transverse cylinders 3-2 on the two air-floating sliding tables 3-1-3 can relatively extend out, and the transverse pressing units 3-6 clamp the two side edges of the glass.
The longitudinal cylinder 3-4 is provided with a cylinder rod which horizontally and longitudinally stretches, the axis of the cylinder rod of the longitudinal cylinder 3-4 is parallel to the air floatation guide rail 3-1, and the longitudinal cylinder 3-4 is arranged on the transverse movable frame 3-3. The longitudinal movable frame 3-5 is arranged on a cylinder rod of the longitudinal cylinder 3-4, and the longitudinal movable frame 3-5 is provided with a longitudinal contact-press unit 3-7 for contacting and pressing the edge of the glass end.
The longitudinal pressing units 3-7 and the transverse pressing units 3-6 have the same structure. Specifically, the transverse pressing unit 3-6 and the longitudinal pressing unit 3-7 comprise pressing top plates 3-6-1 and pressing springs 3-6-2, and the pressing top plates 3-6-1 are provided with pressing end faces which are in contact with the edges of the glass. The transverse movable frame 3-3 and the longitudinal movable frame 3-5 are hinged with a contact top plate 3-6-1 through a pin shaft with a vertical axis, namely, ear plates are arranged at the front end parts of the transverse movable frame 3-3 and the longitudinal movable frame 3-5, pin holes with vertical axes are processed on the ear plates, the ear plates are also fixed at the rear part of the contact top plate 3-6-1, and the two ear plates are hinged through the pin shaft. Two contact pressure springs 3-6-2 which are symmetrical left and right are arranged between the contact pressure top plate 3-6-1 and the transverse movable frame 3-3 and between the contact pressure top plate 3-6-1 and the longitudinal movable frame 3-5. Taking the transverse contact unit 3-6 as an example, one end of the contact spring 3-6-2 is connected with the back of the contact top plate 3-6-1, and the other end of the contact spring 3-6-2 is connected with the transverse movable frame 3-3. The structure ensures that the contact end surfaces of the longitudinal contact unit 3-7 and the transverse contact unit 3-6 are contact surfaces which can change angles and have elasticity, and ensures the maximum contact area between the contact end surfaces and the glass edge. In this embodiment, the touch end face of the touch top plate is made of a PEEK material and has an antistatic property.
The glass corner clamping device comprises a transverse cylinder 3-2, a transverse movable frame 3-3, a longitudinal cylinder 3-4, a longitudinal movable frame 3-5 and a transverse pressing unit 3-6 or a longitudinal pressing unit 3-7, wherein the corner clamping device clamps the corner of glass, and two groups of corner clamping devices are arranged on an air floatation guide rail 3-1. The four groups of corner clamping assemblies are distributed on the air floatation platform 2 in a matrix form.
In the device of the embodiment, four groups of corner clamping assemblies can clamp the glass on the air floatation platform 2, and the air floatation guide rail works to move the clamped glass to the detection station.
The primary positioning device 4 comprises a lifting cylinder 4-1, a linear module 4-2, a positioning frame 4-3, a positioning spring 4-4 and a proximity switch 4-5.
The lifting cylinder 4-1 is fixed on the base 1, the lifting cylinder 4-1 is positioned in a gap between the air floating plates 2-1 of the air floating platform 2, and the lifting cylinder 4-1 is provided with a cylinder rod which is telescopic in the vertical direction.
The linear module 4-2 is arranged on a cylinder rod of the lifting cylinder 4-1. The linear die set 4-2 is a conventionally known component, and there are various types of linear die sets that can satisfy the working requirements in the prior art. In the embodiment, the linear module 4-2 comprises a linear guide rail 4-2-1, a servo motor 4-2-2, a screw rod 4-2-3 and a sliding block 4-2-4. The linear guide rail 4-2-1 is horizontally arranged, and the linear guide rail 4-2-1 is fixed at the upper end of a cylinder rod of the lifting cylinder 4-1. The slide block 4-2-4 is assembled on the linear guide rail 4-2-1, and the slide block 4-2-4 moves horizontally under the guiding action of the linear guide rail 4-2-1. Two ends of a screw rod 4-2-3 are arranged at two ends of a linear guide rail 4-2-1, the screw rod 4-2-3 can rotate around the axis of the screw rod 4-2-3, the axis of the screw rod 4-2-3 is parallel to the moving direction of a sliding block 4-2-4, a servo motor 4-2-2 is fixed at the end of the linear guide rail 4-2-1, and the servo motor 4-2-2 drives the screw rod 4-2-3 to rotate. The sliding block 4-2-4 is combined with the screw rod 4-2-3 through threads, and the rotating screw rod 4-2-3 drives the sliding block 4-2-4 to move horizontally and linearly.
The positioning frame 4-3 comprises a vertical frame 4-3-1 extending vertically and a transverse rod 4-3-2 extending horizontally transversely, the transverse rod 4-3-2 and the vertical frame 4-3-1 form an L-shaped structure, the axis of the transverse rod 4-3-2 is parallel to the moving direction of the sliding block 4-2-4 of the linear module 4-2, the transverse rod 4-3-2 is installed on the sliding block 4-2-4 of the linear module 4-2, and the transverse rod 4-3-2 moves along the axis of the transverse rod 4-3-2. The positioning spring 4-4 is arranged on the positioning frame 4-3, and the positioning spring 4-4 applies elastic force parallel to the moving direction of the sliding block 4-2-4 to the positioning frame 4-3. Specifically, the upper end of the vertical frame 4-3-1 is provided with a positioning pressing block 4-3-3, and the positioning pressing block 4-3-3 is a rubber block fixed on the inner side of the vertical frame 4-3-1 and can be contacted with the side edge of the glass. The transverse rod 4-3-2 is a cylindrical guide rod, and the lower end of the vertical frame 4-3-1 is fixed with the end part of the transverse rod 4-3-2. The sliding block 4-2-4 is provided with a guide round hole combined with the cylindrical guide rod, and the transverse rod 4-3-2 is inserted into the guide round hole of the sliding block 4-2-4. The end part of the transverse rod 4-3-2 far away from the vertical frame 4-3-1 is provided with an end head part, a positioning spring 4-4 is sleeved on the transverse rod 4-3-2, and two end parts of the positioning spring 4-4 respectively press against the sliding block 4-2-4 and the end head part. The slide block 4-2-4 moves towards the direction of the corresponding end head part, the slide block 4-2-4 continues to move movably after the positioning press block 4-3-3 contacts with the edge of the glass, and the positioning spring 4-4 is compressed, so that the edge of the glass is prevented from being damaged by the overlarge pressure of the positioning press block 4-3-3.
The proximity switch 4-5 is arranged on a sliding block 4-2-4 of the linear module 4-2, and the opening and the closing of the proximity switch 4-5 are controlled by the horizontal transverse position of the positioning frame 3. After the positioning spring 4-4 is compressed and the relative position between the positioning frame 4-3 and the sliding block 4-2-4 generates preset transverse horizontal relative displacement, the structural part of the positioning frame 4-3 is sensed by the proximity switch 4-5, the proximity switch 4-5 controls the servo motor 4-2-2 of the linear module 4-2 to be closed, the sliding block 4-2-4 stops moving, and finally the glass is positioned. After positioning, the device moves reversely and finally sinks below the table surface of the grid table. In this embodiment, the structural part of the positioning frame 4-3 sensed by the proximity switch 4-5 is a position target 4-6 made of metal, and the position target 4-6 moves towards the positioning frame 4-3 and triggers the proximity switch 4-5 to control the servo motor 4-2-2 of the linear module 4-2 to be turned off, and then rotates reversely. The proximity switches 4-5 are conventionally known components.
The image shooting device 5 comprises a portal frame 5-1 and image shooting elements 5-2, wherein the portal frame 5-1 is installed on the base 1, a plurality of image shooting elements 5-2 are uniformly installed on a cross beam of the portal frame 5-1, the image shooting elements 5-2 can be high-definition cameras, and a detection station is arranged below the portal frame and is a detection plane section.
Glass is placed on the air floatation platform 2, firstly, rough positioning is carried out by the primary positioning device 4, then, accurate positioning and clamping are carried out by the clamping moving device 3, and only detection station detection is carried out by moving of the clamping moving device 3.
As shown in fig. 5 and 6, the gas path is divided into a gas supply system and a vacuum adsorption system. Both the handling plane section and the detection plane section involve gas supply and vacuum suction. The gas supply system includes: the air compressor, the air storage tank, the C-stage filter, the T-stage filter, the A-stage filter and the proportional valve; air compressor, gas holder, C level filter, T level filter, A level filter and proportional valve connect gradually, do the centre gripping mobile device provides even invariable pressure. If the detected object needs absolute water, an adsorption type cold dryer and a dryer can be added in front of the T-stage filter. The air supply system adopts two air inlets, wherein one air inlet is used for conveying the plane section, and the other air inlet is used for precisely detecting the plane section. In order to make the air supply pressure of each air-float guide rail 3-1 of each plane section consistent, a symmetrical air supply mode is adopted, and a proportional valve is additionally arranged on two sides of an air supply pipeline to keep the air pressure at constant pressure, and a pressure monitor is arranged at the air supply near air outlet end. After the gas enters the gas storage tank through compression of the air compressor, the gas is primarily filtered through the C-level filter, then the gas is dried sequentially through the cold dryer and the adsorption dryer, the gas is further filtered through the T-level filter and the A-level filter, and finally the gas is supplied to the air floatation guide rail 3-1 through the proportional valve, so that the glass floats.
The vacuum adsorption system has the same mode as the air supply system, and is also provided with one path of the conveying plane section and one path of the precision detection plane section. The vacuum adsorption system comprises: the system comprises a vacuum pressure reducing valve, a C-grade filter, a T-grade filter, an A-grade filter and a vacuum pump system; the vacuum pressure reducing valve, the C-level filter, the T-level filter, the A-level filter and the vacuum pump system are sequentially connected, and a vacuum state is provided for the clamping moving device. In order to make the adsorption force of each air-float guide rail 3-1 of each plane section consistent, a symmetrical mode is also adopted, vacuum regulating valves are additionally arranged on two sides of the pipeline to control the adsorption force to be constant, and a pressure monitor is arranged near the air suction end. After the gas is sucked into the C-level filter through the vacuum reducing valve for primary filtration, the gas is further filtered through the T-level filter and the A-level filter, and finally the gas is sucked into the gas storage tank through the vacuum pump, so that the glass is adsorbed.
The control system comprises a driver and a controller, and realizes the driving and the control of the air floating platform, the clamping and moving device, the primary positioning device, the image shooting device, the air supply system and the vacuum adsorption system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Glass detects delivery platform, its characterized in that, this platform includes: the device comprises a base, an air floatation platform, a clamping and moving device, a primary positioning device, an image shooting device, an air supply system and a vacuum adsorption system; the air floatation platform, the clamping and moving device, the primary positioning device, the image shooting device, the air supply system, the vacuum adsorption system and the control system are arranged on the base; the glass to be detected is placed on the air floatation platform and is fixed and conveyed through the clamping and moving device; the primary positioning device prevents the glass to be detected from drifting; the image shooting device collects a detection carrying image of the glass to be detected; the air supply system supplies air to the clamping and moving device; the vacuum adsorption system provides a vacuum pumping state for the clamping moving device.
2. The glass inspection carrier platform of claim 1, wherein the air-bearing platform comprises a plurality of air-bearing plates extending horizontally and linearly, the plurality of air-bearing plates being spaced apart from each other and fixed to the base, the plurality of air-bearing plates forming a grid-like air-bearing platform;
the clamping and moving device comprises an air floatation guide rail, a transverse air cylinder, a transverse movable frame, a longitudinal air cylinder and a longitudinal movable frame; the base is provided with two air-floating guide rails which are respectively positioned at two sides of the air-floating platform, the two air-floating guide rails are arranged in parallel from left to right, and each air-floating guide rail is provided with an air-floating sliding table capable of moving horizontally and linearly; the transverse cylinder is provided with a cylinder rod which horizontally and transversely stretches, the axis of the cylinder rod of the transverse cylinder is perpendicular to the air floatation guide rail, and the transverse cylinder is arranged on an air floatation sliding table of the air floatation guide rail; the transverse movable frame is arranged on a cylinder rod of the transverse air cylinder, and a transverse contact unit for contacting and pressing the side edge of the glass is arranged on the transverse movable frame; the longitudinal cylinder is provided with a cylinder rod which horizontally and longitudinally stretches, the axis of the cylinder rod of the longitudinal cylinder is parallel to the air floatation guide rail, and the longitudinal cylinder is arranged on the transverse movable frame; the longitudinal movable frame is arranged on a cylinder rod of the longitudinal cylinder, and a longitudinal pressing unit for pressing the edge of the glass end is arranged on the longitudinal movable frame; the transverse air cylinder, the transverse movable frame, the longitudinal air cylinder, the longitudinal movable frame, the transverse pressing unit and the longitudinal pressing unit form corner clamping assemblies for clamping corners of glass, four groups of corner clamping assemblies distributed in a matrix mode are mounted on the two air floatation guide rails, and the corner clamping assemblies are arranged above the air floatation platform;
the primary positioning device comprises a lifting cylinder, a linear module, a positioning frame, a positioning spring and a proximity switch; the lifting cylinder is fixed on the base and is positioned in a gap between air floatation plates of the air floatation platform, and the lifting cylinder is provided with a cylinder rod which is telescopic in the vertical direction; the linear module is provided with a sliding block capable of moving horizontally and linearly and is arranged on a cylinder rod of the lifting cylinder; the positioning frame comprises a vertical frame extending vertically and a transverse rod extending horizontally transversely, the transverse rod and the vertical frame form an L-shaped structure, the axis of the transverse rod is parallel to the moving direction of the sliding block of the linear module, the transverse rod is installed on the sliding block of the linear module, and the transverse rod moves along the axis of the transverse rod; the positioning spring is arranged on the positioning frame and applies elasticity parallel to the moving direction of the sliding block to the positioning frame; the proximity switch is arranged on a sliding block of the linear module and is controlled to be opened and closed by the horizontal transverse position of the positioning frame;
the image shooting device comprises a portal frame and image shooting elements, the portal frame is installed on the base, a plurality of image shooting elements are uniformly installed on a beam of the portal frame, and a detection station is arranged below the portal frame.
3. The glass inspection carrier platform of claim 2, wherein: the air floating platform consists of two conveying plane sections and a detection plane section positioned between the two conveying plane sections.
4. The glass inspection carrier platform of claim 3, wherein: the transverse pressing unit and the longitudinal pressing unit comprise pressing top plates and pressing springs, the pressing top plates are provided with pressing end faces which are in contact with the edges of the glass, and the pressing top plates are hinged and installed through pins with vertical axes; two contact pressure springs which are bilaterally symmetrical are arranged between the contact pressure top plate and the transverse movable frame and between the contact pressure top plate and the longitudinal movable frame.
5. The glass inspection carrier platform of claim 3, wherein: the upper end of the vertical frame is provided with a positioning pressing block, the transverse rod is a cylindrical guide rod, the sliding block is provided with a guide round hole combined with the cylindrical guide rod, and the transverse rod is inserted into the guide round hole of the sliding block.
6. The glass inspection carrier platform of claim 5, wherein: the end part of the transverse rod, which is far away from the vertical frame, is provided with an end head part, the positioning spring is sleeved on the transverse rod, and two end parts of the positioning spring respectively press the sliding block and the end head part.
7. The glass inspection carrier platform of claim 6, wherein: and a position target is fixed on the transverse rod, and the position target moves towards the positioning frame and triggers the proximity switch to be turned off.
8. The glass inspection carrier platform of claim 1, wherein: the gas supply system includes: the air dryer comprises an air compressor, an air storage tank, a C-stage filter, a dryer, a T-stage filter, an A-stage filter and a proportional valve; air compressor, gas holder, C level filter, desiccator, T level filter, A level filter and proportional valve connect gradually, do the centre gripping mobile device provides even invariable pressure.
9. The glass inspection carrier platform of claim 1, wherein: the vacuum adsorption system comprises: vacuum relief valves, filtration systems, and vacuum pump systems; the vacuum pressure reducing valve, the filtering system and the vacuum pump system are sequentially connected to provide a vacuum state for the clamping moving device.
10. The glass inspection carrier platform of claim 1, wherein: the air floatation device further comprises a control system, and the control system drives and controls the air floatation platform, the clamping moving device, the primary positioning device, the image shooting device, the air supply system and the vacuum adsorption system.
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| CN202210708229.5A CN115043215B (en) | 2022-06-22 | 2022-06-22 | Glass detection carrying platform |
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| CN202210708229.5A CN115043215B (en) | 2022-06-22 | 2022-06-22 | Glass detection carrying platform |
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| CN115043215B (en) | 2023-11-10 |
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