CN113173411A - Connecting device for float glass production line and coating production line and control method thereof - Google Patents
Connecting device for float glass production line and coating production line and control method thereof Download PDFInfo
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- CN113173411A CN113173411A CN202110318576.2A CN202110318576A CN113173411A CN 113173411 A CN113173411 A CN 113173411A CN 202110318576 A CN202110318576 A CN 202110318576A CN 113173411 A CN113173411 A CN 113173411A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 242
- 238000000576 coating method Methods 0.000 title claims abstract description 130
- 239000011248 coating agent Substances 0.000 title claims abstract description 126
- 239000005329 float glass Substances 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000011521 glass Substances 0.000 claims abstract description 281
- 238000003860 storage Methods 0.000 claims abstract description 121
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 47
- 230000007306 turnover Effects 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000033764 rhythmic process Effects 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 45
- 230000007547 defect Effects 0.000 description 10
- 238000005457 optimization Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000009519 contusion Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000005344 low-emissivity glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B18/00—Shaping glass in contact with the surface of a liquid
- C03B18/02—Forming sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/001—General methods for coating; Devices therefor
- C03C17/002—General methods for coating; Devices therefor for flat glass, e.g. float glass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention relates to the technical field of glass production, in particular to a connecting device of a float glass production line and a coating production line and a control method thereof, a conveying mechanism and a sheet storage mechanism are arranged between a float glass production device and a glass coating production device, when the discharging speed of the float glass production device is greater than the feeding speed of the glass coating production device in a certain time period or the glass coating production device is in failure, the sheet storage mechanism can play a role of temporarily storing glass, by the device, the feeding continuity of the glass coating production device can be ensured, the working efficiency is improved, the discharging rhythm of the float glass production is matched with the feeding rhythm of the glass coating production device, empty sheets or blocked sheets are avoided, the automatic production of an off-line coating production line is realized, manual forklift transportation is not needed, the labor intensity of workers is reduced, and simultaneously the glass is prevented from being damaged, the yield of the glass is improved, and the labor production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of glass production, in particular to a connecting device of a float glass production line and an off-line coated glass production line and a control method thereof.
Background
Low-E glass, also called Low-emissivity glass, is a film product formed by plating a plurality of layers of metal or other compounds on the surface of preferably high-quality high-end glass. The coating layer has the characteristics of high visible light transmission and high mid-far infrared ray reflection, so that the coating layer has excellent heat insulation effect and good light transmission compared with common glass and traditional coating glass for buildings.
At present, the commercial process for producing Low-E coated glass at home and abroad firstly adopts vacuum cathode magnetron sputtering coating (off-line coating method) and on-line high-temperature pyrolysis deposition (on-line coating method), wherein the off-line coating is the coating finished when the glass leaves a float glass production line and then is transported to another factory or workshop (place). The off-line coating needs to be additionally provided with a glass coating production line, and a vacuum cathode magnetron sputtering coating line is common. The coating processes mentioned hereinafter are all off-line coating processes. The Low-E coated glass produced by off-line coating is the most advanced process method for producing large-area coated glass internationally at present, and has the advantages of reducing pollution to a tin bath and the environment, optimizing and selecting a glass substrate and the like.
The on-line coating is completed in a tin bath on a float glass production line at one time, and can pollute the tin bath. All the drawn glass is coated with a film, and the glass surface cannot be coated with a film with high quality.
At present, the main domestic production modes are substrates of float glass production lines for sorting coating grades on line, the cold ends are loaded with the optimized glass substrates through a piece unloading machine, the glass substrates are transferred to a warehouse or a piece loading position of a glass coating production line through a forklift or a traveling crane and other machines, and then the glass substrates are placed on a conveying roller way through the piece loading machine of the glass coating production line and are provided for coating production equipment. This production method has the following problems:
1. the production efficiency is low because the secondary transportation is needed;
2. the problems of glass chip contusion, splintering and the like easily occur in the secondary carrying process of glass, the quality is influenced, and potential safety hazards exist;
3. because the glass used for coating is short in storage time, generally is not sealed and packaged, and even a desiccant is not added for moisture prevention, the glass is easy to go moldy after being placed in a coating and loading warehouse for a long time, so that the glass cannot be used or the quality of the coated glass is influenced.
In order to solve the above problems, it is necessary to connect a float glass production line and a glass coating production line by using a rollgang. However, in actual production practice, only part of the glass produced in the float glass production line meets the coating quality requirement, and even if the glass meets the coating quality requirement, the whole coating is not necessarily required sometimes. In addition, the productivity of the float glass production line and the productivity of the glass coating production line are different, the production takt of the float glass production line and the production takt of the glass coating production line are completely different, and if the production takt of the float glass production line and the production takt of the glass coating production line cannot be well controlled, the problem of vacancy or blockage of conveyed glass is easy to occur; meanwhile, the float glass production line inevitably has the problem of plate surface defects in production and cannot meet the quality requirements of coated glass, so that the situation of insufficient glass supply can occur in a short time, and the coating production can form a gear-breaking phenomenon, thereby increasing the production cost. In addition, because the glass coating production line produces the product characteristics, sometimes the product which is firstly toughened and then coated needs to be produced, manual loading is needed at the inlet end of the glass coating production line, and if the float glass production line and the glass coating production line are simply connected together by a roller conveyor, the production of the product which is firstly toughened and then coated is inevitably affected in operation.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to provide a connection device with a more reasonable structure for a float glass production line and a coating production line and a connection control method matched with the connection device.
In order to solve the technical problems, the invention adopts the technical scheme that:
a connecting device of a float glass production line and a glass coating production line comprises a float glass production device, a glass coating production device and a connecting device body positioned between the float glass production device and the glass coating production device; the connecting device body comprises a conveying mechanism, a film storage mechanism and a control device;
the initial end of the conveying mechanism is connected to a discharge hole of float glass production equipment, and the tail end of the conveying mechanism is connected to a feed hole of glass coating production equipment;
the sheet storage mechanism is connected to the middle part of the conveying mechanism and comprises a plurality of layer frames distributed in the vertical direction, the layer frames are connected with a moving mechanism used for driving the layer frames to move in the vertical direction, the sheet storage structure further comprises a conveying table, and a plurality of conveying rollers distributed in the horizontal direction are arranged on the conveying table;
the control device comprises a photoelectric sensor and a PLC (programmable logic controller), the photoelectric sensor is electrically connected with the PLC, the PLC is electrically connected with the conveying mechanism, and the moving mechanism is electrically connected with the PLC; the photoelectric sensor comprises a light emitter and light receivers, the light emitter is connected to a transmission platform of the film storage mechanism, the light receivers are connected to each layer of the layer frame respectively, and when glass on a certain layer of the layer frame is located at the height of the transmission platform, the corresponding light receivers receive light signals sent by the light emitter.
The invention also relates to a control method of the connecting line device based on the float glass production line and the coating production line, which comprises the following steps:
step 1: controlling a conveying mechanism to convey the glass conveyed by the float glass production equipment to a shelf of a sheet storage mechanism, and conveying the glass to glass coating production equipment by the sheet storage mechanism and the conveying mechanism behind the sheet storage mechanism according to a preset time interval;
step 2: the photoelectric sensor acquires the quantity of glass on the shelf according to the optical signal;
if the quantity of the glass is less than or equal to the first preset value, the PLC controls a conveying mechanism positioned in front of the sheet storage mechanism to work and convey the glass to the sheet storage mechanism;
if the quantity of the glass is larger than or equal to a second preset value, the PLC controls the conveying mechanism positioned in front of the sheet storage mechanism to stop conveying the glass to the sheet storage mechanism, and the second preset value is larger than the first preset value;
and step 3: and (3) when the discharging speed of the float glass production equipment is lower than the feeding speed of the glass coating production equipment in a certain time period, the glass on the shelf of the glass storage mechanism descends layer by layer, and when the glass on the shelf of the glass storage mechanism descends to a reasonable range, namely the number of the glass is less than or equal to a first preset value, the step 1 is repeated, so that the circulation is carried out.
The invention has the beneficial effects that: through set up conveying mechanism and storage piece mechanism between float glass production facility and glass coating film production facility, when the discharge speed of certain time quantum float glass production facility is greater than the input speed of glass coating film production facility, or when glass coating film production facility breaks down, storage piece mechanism can play the effect of temporary storage glass, through the device, can ensure the feeding continuity of glass coating film production facility, and the work efficiency is improved, guarantee the beat of float glass production ejection of compact and the feeding beat phase-match of glass coating film production facility, avoid empty piece or jam, realize the automated production of off-line coating film production line, need not reuse artifical fork truck transport, reduce workman's intensity of labour, also avoid glass impaired simultaneously, improve the yield of glass, improve labor production efficiency simultaneously.
Drawings
FIG. 1 is a schematic structural view of a connection device between a float glass production line and a coating production line according to an embodiment of the present invention;
FIG. 2 is a side view of a sheet storage mechanism of a connecting device of a float glass production line and a coating production line according to an embodiment of the present invention;
FIG. 3 is a front view of a sheet storage mechanism of a connecting device of a float glass production line and a coating production line according to an embodiment of the present invention;
FIG. 4 is a schematic view of a partial structure of a conveying mechanism of a connecting device of a float glass production line and a coating production line according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a folding table in a connection state in a partial structure of a conveying mechanism of a connection device of a float glass production line and a coating production line according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a folding table in a non-connection state in a partial structure of a conveying mechanism of a connecting device of a float glass production line and a coating production line according to an embodiment of the present invention;
description of reference numerals:
1. float glass production equipment; 2. glass coating production equipment; 3. a wiring device body; 31. a conveying mechanism; 311. a rack; 312. a first conveying roller; 313. a movable transfer station; 32. a film storage mechanism; 321. layering; 3211. a support; 3212. a support unit; 32121. a left longitudinal column; 32122. a right longitudinal post; 32123. a glass support beam; 322. a moving mechanism; 3221. a screw; 3222. an electric screw rod; 323. a frame; 3231. a transfer roller; 33. a door-shaped frame; 4. a folding table; 41. a roll-over stand; 42. a cylinder; 43. a turning table; 44. a second conveyor roller.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 6, the present invention relates to a connecting device for a float glass production line and a coating production line, which comprises a float glass production device 1 and a glass coating production device 2, and further comprises a connecting device body 3 located between the float glass production device 1 and the glass coating production device 2; the connecting device body 3 comprises a conveying mechanism 31, a sheet storage mechanism 32 and a control device;
the initial end of the conveying mechanism 31 is connected with a discharge hole of the float glass production equipment 1, and the tail end of the conveying mechanism 31 is connected with a feed hole of the glass coating production equipment 2;
the sheet storage mechanism 32 is connected to the middle part of the conveying mechanism 31, the sheet storage mechanism 32 comprises a plurality of layer frames 321 distributed in the vertical direction, the layer frames 321 are connected with a moving mechanism 322 used for driving the layer frames 321 to move in the vertical direction, the sheet storage structure further comprises a transmission table, and the transmission table is provided with a plurality of transmission rollers 3231 distributed in the horizontal direction; a frame 323;
the control device comprises a photoelectric sensor and a PLC, the photoelectric sensor is electrically connected with the PLC, the PLC is electrically connected with the conveying mechanism 31, and the moving mechanism 322 is electrically connected with the PLC; the photoelectric sensor comprises a light emitter and light receivers, the light emitter is connected to the transmission platform of the film storage mechanism 32, the light receivers are multiple in number and are respectively connected to each layer of the layer frame 321, and when glass on a certain layer of the layer frame 321 is located at the height of the transmission platform, the corresponding light receivers receive light signals emitted by the light emitter.
In the connecting line device structure of the float glass production line and the coating production line, the conveying mechanism 31 and the sheet storage mechanism 32 are arranged between the float glass production equipment 1 and the glass coating production equipment 2, when the discharging speed of the float glass production equipment 1 is greater than the feeding speed of the glass coating production equipment 2 in a certain time period or the glass coating production equipment 2 breaks down, the sheet storage mechanism 32 can play a role in temporarily storing glass, and particularly, the connecting line device structure can be realized by the following control method; step 1: controlling the conveying mechanism 31 to convey the glass conveyed out by the float glass production equipment 1 to the shelf 321 of the sheet storage mechanism 32, wherein the sheet storage mechanism 32 conveys the glass to the glass coating production equipment 2 through the sheet storage mechanism 32 and the conveying mechanism 31 behind the sheet storage mechanism 32 according to a preset time interval; step 2: the photoelectric sensor acquires the number of glasses on the shelf 321 according to the optical signal; specifically, when the glass on a certain layer of the shelves 321 is positioned at the height of the conveying table, the corresponding light receiver receives the light signal emitted by the light emitter, and at the moment, the PLC receives the signal and controls the moving mechanism 322 to move along the vertical direction, so that the next glass moves to the next layer of the shelves 321, and thus the glass is longitudinally stacked on the storage mechanism 32, and similarly, the PLC regularly controls the moving mechanism 322 to move along the vertical direction to enable the glass on each layer to be conveyed backwards through the rear conveying mechanism 31 according to a specific time interval when the glass on the storage mechanism 32 needs to be released; if the quantity of the glass on the glass storage device is less than or equal to a first preset value, the PLC controls the conveying mechanism 31 positioned in front of the glass storage mechanism 32 to work and convey the glass to the glass storage mechanism 32; if the quantity of the glass on the glass storage device is larger than or equal to a second preset value, the PLC controls the conveying mechanism 31 positioned in front of the glass storage mechanism 32 to stop conveying the glass to the glass storage mechanism 32, and the second preset value is larger than the first preset value; and step 3: and (3) when the discharging speed of the float glass production equipment is lower than the feeding speed of the glass coating production equipment in a certain time period, the glass on the shelf of the glass storage mechanism descends layer by layer, and when the glass on the shelf of the glass storage mechanism descends to a reasonable range, namely the number of the glass is less than or equal to a first preset value, the step 1 is repeated, so that the circulation is carried out.
By the device, the feeding continuity of the glass coating production equipment 2 can be ensured, the working efficiency is improved, the rhythm of the production discharge of the float glass is matched with the feeding rhythm of the glass coating production equipment 2, empty sheets or blocked sheets are avoided, the automatic production of an off-line coating production line is realized, the transportation of a manual forklift is not needed, the labor intensity of workers is reduced, the damage of the glass is also avoided, the yield of the glass is improved, and the labor production efficiency is improved.
The connecting device also comprises a float central control room, and the photoelectric sensor and the PLC are connected with the float central control room through data lines; the float central control room is formed by integrating an electric control assembly, an information processing center and a data processing center, and the photoelectric sensor and the PLC are connected with the float central control room through data lines; an online defect detector can also be arranged on the float glass production equipment 1, and the online defect detector of the float glass production equipment 1 transmits the quality data of the glass in the coating area, including the information such as the micro-bubbles allowed by the glass.
The connecting device body 3 can be connected with a plurality of branch lines of the float glass production equipment 1 so as to realize the production of different types of glass, but only the outlet of one branch line can be controlled to be butted with the connecting device body 3.
Further, in the above-mentioned line connecting device structure of the float glass production line and the coating production line, the layer frame 321 includes a support 3211 and a plurality of support monomers 3212 arranged at intervals along the conveying direction, the upper portions of the support monomers 3212 are connected to the support 3211, the support monomers 3212 include a left longitudinal column 32121, a right longitudinal column 32122 and a glass support beam 32123, and the glass support beam 32123 is horizontally erected between the left longitudinal column 32121 and the right longitudinal column 32122.
As can be seen from the above description, when glass is stored on the shelves 321, the glass is supported by a plurality of glass supporting beams 32123, as an embodiment, the upper surface of the glass supporting beams 32123 is covered by a rubber cushion, the top ends of the left longitudinal column 32121 and the right longitudinal column 32122 of all the shelves 321 are connected to a frame, the frame is located between two parallel door-shaped frames 33, the top beams of the two door-shaped frames 33 are connected by two upper cross beams, the left and right sides of the two door-shaped frames 33 are connected to the lower end of a screw 3221 of an electric screw 3222, and the frame is driven by the electric screw 3222 to move up and down.
Further, in the connecting line device structure of the float glass production line and the coating production line, the transmission roller 3231; the number of the frames 323 is plural, and each of the conveying rollers 3231; the frames 323 are respectively located between two adjacent supporting units 3212.
As can be seen from the above description, the two supporting units 3212 are supported by the conveying rollers 3231 respectively located between the two adjacent supporting units; frame 323 enables the conveyance of glass over cassette mechanism 32.
Further, in the connection line device structure of the float glass production line and the coating production line, the moving mechanism 322 includes a vertical screw 3221 and an electric screw rod 3222 in threaded fit with the screw rod 3221, and the lower end of the screw rod 3221 is connected to the layer rack 321.
As can be seen from the above description, the electric lead screw 3222 drives the vertical screw 3221 to rotate, and the vertical movement of the shelf 321 is realized by the rotation of the screw 3221.
Further, in the above line connecting device structure between the float glass production line and the coating production line, the conveying mechanism 31 includes a rack 311, and a first driving mechanism, a first transmission mechanism and a plurality of first conveying rollers 312 which are arranged on the rack 311, the first conveying rollers 312 are arranged side by side, the first conveying rollers 312 are in transmission connection with each other through the first transmission mechanism, and the first driving mechanism is in transmission connection with the first conveying rollers 312 and is used for driving the first conveying rollers 312 to rotate.
As can be seen from the above description, when the glass is carried on the first conveying roller 312, the first conveying roller 312 rotates to convey the glass forward.
Further, in the connection device structure of the float glass production line and the coating production line, a folding table 4 is further arranged at a connection position of the conveying mechanism 31 and the glass coating production equipment 2, the folding table 4 comprises a turning frame 41, a turning table 43, an air cylinder 42, a second driving mechanism, a second transmission mechanism and a plurality of second conveying rollers 44, the second conveying rollers 44 are arranged on the turning table 43 side by side at intervals, the second conveying rollers 44 are in transmission connection with one another through the second transmission mechanism, and the second driving device is in transmission connection with the second conveying rollers 44 and used for driving the second conveying rollers 44 to rotate; one end of the overturning platform 43 is hinged to the overturning frame 41, one end of the air cylinder 42 is hinged to the overturning platform 43, and the other end is hinged to the overturning frame 41.
As can be seen from the above description, when the glass is loaded on the second conveying roller 44, the second conveying roller 44 rotates to drive the glass to be conveyed forward, when the connection production is required, the turning table 43 is in a horizontal position, the glass can enter the glass coating production equipment 2, when the connection production is not required, the turning table 43 is toggled to rotate to a vertical state or a nearly vertical state relative to the rack 311, the air cylinder 42 is in a contraction state, a channel is formed in the area, and the use of the turning mechanism realizes the free switching between the traditional production and the connection production.
Further, in the above-mentioned connecting device structure between the float glass production line and the coating production line, the rack 311 of the conveying mechanism 31 located between the sheet storage mechanism 32 and the glass coating production equipment 2 is provided with a lifting mechanism.
Known by the above description, above-mentioned elevating system can be the lift cylinder, and above-mentioned conveying mechanism 31's rack 311 can be the revolving stage, forms the lift revolving stage through the lift cylinder, and is concrete, and the below of lift revolving stage is equipped with the equipartition in coplanar's conveyer belt, and conveyer belt is on a plurality of parallel lines with driving roller parallel distribution, on conveyer belt is fixed in a lift plane, lift plane below is connected with the lift cylinder, and the lift cylinder drives lift plane at vertical direction reciprocating motion, and is concrete, after glass got into the lift revolving stage from the transmission platform of piece mechanism, the holding surface that driving belt constituted was higher than the holding surface that transmission platform driving roller constitutes, and driving belt carries the lift revolving stage with glass with predetermined height this moment, realizes the transportation of glass between the lift revolving stage through conveyer belt.
Furthermore, in the connection structure of the float glass production line and the coating production line, the lower end of the rack 311 of the conveying mechanism 31 at the feeding end of the sheet storage mechanism 32 is provided with a universal wheel.
As can be seen from the above description, the lower end of the rack 311 of the conveying mechanism 31 at the feeding end of the film storage mechanism 32 is provided with the universal wheel, so that the conveying mechanism 31 is a movable conveying table 313, a detachable electrical connection mechanism and an electrical connector thereof are adopted between the conveying table and the adjacent conveying table, the electrical connection mechanism and the electrical connector can be easily detached through simple operation, the length of the movable conveying table 313 is 6m, and when the movable conveying table 313 is separated, a 6m wide logistics channel is formed, so that a large-scale forklift can conveniently pass through the logistics channel.
The invention also relates to a control method of the connecting line device based on the float glass production line and the coating production line, which comprises the following steps:
step 1: controlling the conveying mechanism 31 to convey the glass conveyed out by the float glass production equipment 1 to the shelf 321 of the sheet storage mechanism 32, wherein the sheet storage mechanism 32 conveys the glass to the glass coating production equipment 2 through the sheet storage mechanism 32 and the conveying mechanism 31 behind the sheet storage mechanism 32 according to a preset time interval;
step 2: the photoelectric sensor acquires the number of glasses on the shelf 321 according to the optical signal;
if the quantity of the glass is less than or equal to the first preset value, the PLC controls the conveying mechanism 31 positioned in front of the sheet storage mechanism 32 to work and convey the glass to the sheet storage mechanism 32;
if the quantity of the glass is larger than or equal to a second preset value, the PLC controls the conveying mechanism 31 positioned in front of the sheet storage mechanism 32 to stop conveying the glass to the sheet storage mechanism 32, and the second preset value is larger than the first preset value;
and step 3: and (3) when the discharging speed of the float glass production equipment is lower than the feeding speed of the glass coating production equipment in a certain time period, the glass on the shelf of the glass storage mechanism descends layer by layer, and when the glass on the shelf of the glass storage mechanism descends to a reasonable range, namely the number of the glass is less than or equal to a first preset value, the step 1 is repeated, so that the circulation is carried out.
Example 1
Referring to fig. 1-6, a connecting device for a float glass production line and a coating production line comprises a float glass production device 1, a glass coating production device 2, and a connecting device body 3 between the float glass production device 1 and the glass coating production device 2; the connecting device body 3 comprises a conveying mechanism 31, a sheet storage mechanism 32 and a control device; the initial end of the conveying mechanism 31 is connected with a discharge hole of the float glass production equipment 1, and the tail end of the conveying mechanism 31 is connected with a feed hole of the glass coating production equipment 2; the sheet storage mechanism 32 is connected to the middle part of the conveying mechanism 31, the sheet storage mechanism 32 comprises a plurality of layer frames 321 distributed in the vertical direction, the layer frames 321 are connected with a moving mechanism 322 used for driving the layer frames 321 to move in the vertical direction, the sheet storage structure further comprises a transmission table, and the transmission table is provided with a plurality of transmission rollers 3231 distributed in the horizontal direction; a frame 323; the control device comprises a photoelectric sensor and a PLC, the photoelectric sensor is electrically connected with the PLC, the PLC is electrically connected with the conveying mechanism 31, and the moving mechanism 322 is electrically connected with the PLC; the photoelectric sensor comprises a light emitter and light receivers, the light emitter is connected to the transmission platform of the film storage mechanism 32, the light receivers are multiple in number and are respectively connected to each layer of the layer frame 321, and when glass on a certain layer of the layer frame 321 is located at the height of the transmission platform, the corresponding light receivers receive light signals emitted by the light emitter. By arranging the conveying mechanism 31 and the sheet storage mechanism 32 between the float glass production equipment 1 and the glass coating production equipment 2, when the discharging speed of the float glass production equipment 1 is greater than the feeding speed of the glass coating production equipment 2 in a certain time period or the glass coating production equipment 2 breaks down, the sheet storage mechanism 32 can play a role in temporarily storing glass, and particularly, the control method can be used for realizing the purpose; step 1: controlling the conveying mechanism 31 to convey the glass conveyed out by the float glass production equipment 1 to the shelf 321 of the sheet storage mechanism 32, wherein the sheet storage mechanism 32 conveys the glass to the glass coating production equipment 2 through the sheet storage mechanism 32 and the conveying mechanism 31 behind the sheet storage mechanism 32 according to a preset time interval; step 2: the photoelectric sensor acquires the number of glasses on the shelf 321 according to the optical signal; specifically, when a certain glass on the shelf 321 is positioned at the height of the conveying table, the corresponding light receiver receives the light signal emitted by the light emitter, and at the moment, the PLC receives the signal and controls the moving mechanism 322 to move in the vertical direction, so that the next glass moves to the next shelf 321, and thus the glass is longitudinally stacked on the storage mechanism 32, and similarly, when the glass on the storage mechanism 32 needs to be released, the PLC regularly controls the moving mechanism 322 to move in the vertical direction, so that the glass on each layer is conveyed backwards through the rear conveying mechanism 31 at specific time intervals; if the quantity of the glass on the glass storage device is less than or equal to a first preset value, the PLC controls the conveying mechanism 31 positioned in front of the glass storage mechanism 32 to work and convey the glass to the glass storage mechanism 32; if the quantity of the glass on the glass storage device is larger than or equal to a second preset value, the PLC controls the conveying mechanism 31 positioned in front of the glass storage mechanism 32 to stop conveying the glass to the glass storage mechanism 32, and the second preset value is larger than the first preset value; and step 3: and (3) when the discharging speed of the float glass production equipment is lower than the feeding speed of the glass coating production equipment in a certain time period, the glass on the shelf of the glass storage mechanism descends layer by layer, and when the glass on the shelf of the glass storage mechanism descends to a reasonable range, namely the number of the glass is less than or equal to a first preset value, the step 1 is repeated, so that the circulation is carried out.
By the device, the feeding continuity of the glass coating production equipment 2 can be ensured, the working efficiency is improved, the rhythm of the production discharge of the float glass is matched with the feeding rhythm of the glass coating production equipment 2, empty sheets or blocked sheets are avoided, the automatic production of an off-line coating production line is realized, the transportation of a manual forklift is not needed, the labor intensity of workers is reduced, the damage of the glass is also avoided, the yield of the glass is improved, and the labor production efficiency is improved. The photoelectric sensor and the PLC are connected with the float central control room through data lines; the float central control room is formed by integrating an electric control assembly, an information processing center and a data processing center, and the photoelectric sensor and the PLC are connected with the float central control room through data lines; an online defect detector can also be arranged on the float glass production equipment 1, and the online defect detector of the float glass production equipment 1 transmits the quality data of the glass in the coating area, including the information such as the micro-bubbles allowed by the glass. The connecting device body 3 can be connected with a plurality of branch lines of the float glass production equipment 1 so as to realize the production of different types of glass, but only the outlet of one branch line can be controlled to be butted with the connecting device body 3.
The layer frame 321 comprises a bracket 3211 and a plurality of supporting single bodies 3212 arranged at intervals along the conveying direction, the upper parts of the supporting single bodies 3212 are connected to the bracket 3211, each supporting single body 3212 comprises a left longitudinal column 32121, a right longitudinal column 32122 and a glass supporting beam 32123, and the glass supporting beam 32123 is horizontally erected between the left longitudinal column 32121 and the right longitudinal column 32122. When the glass is stored on the shelves 321, the glass is supported by a plurality of glass supporting beams 32123, as an implementation mode, the upper surfaces of the glass supporting beams 32123 are covered by a layer of rubber cushion, the top ends of the left longitudinal columns 32121 and the right longitudinal columns 32122 of all the shelves 321 are connected to a frame, the frame is located between two parallel door-shaped frames 33, the top beams of the two door-shaped frames 33 are connected by two upper cross beams, the left and right sides of the two door-shaped frames 33 are connected with the lower end of a screw 3221 of an electric screw 3222, and the frame is driven by the electric screw 3222 to move up and down.
The conveying roller 3231; the number of the frames 323 is plural, and each of the conveying rollers 3231; the frames 323 are respectively located between two adjacent supporting units 3212. Passing through the conveying rollers 3231 respectively positioned between the adjacent two supporting units 3212; frame 323 enables the conveyance of glass over cassette mechanism 32. The moving mechanism 322 includes a vertical screw rod 3221 and an electric screw rod 3222 in threaded fit with the screw rod 3221, and the lower end of the screw rod 3221 is connected to the shelf 321. The electric screw rod 3222 drives the vertical screw rod 3221 to rotate, and the vertical movement of the shelf 321 is realized through the rotation of the screw rod 3221. Conveying mechanism 31 includes rack 311 and sets up first actuating mechanism, first drive mechanism and a plurality of first conveying roller 312 on rack 311, sets up side by side between each first conveying roller 312, connects through first drive mechanism transmission between each first conveying roller 312, first drive arrangement is connected with first conveying roller 312 transmission for drive first conveying roller 312 rotates. When the glass is loaded on the first conveying roller 312, the first conveying roller 312 rotates to convey the glass forward. The connecting part of the conveying mechanism 31 and the glass coating production equipment 2 is also provided with a turnover table 4, the turnover table 4 comprises a turnover frame 41, a turnover table 43, an air cylinder 42, a second driving mechanism, a second transmission mechanism and a plurality of second conveying rollers 44, the second conveying rollers 44 are arranged on the turnover table 43 at intervals in parallel, the second conveying rollers 44 are in transmission connection through the second transmission mechanism, and the second driving device is in transmission connection with the second conveying rollers 44 and is used for driving the second conveying rollers 44 to rotate; one end of the overturning platform 43 is hinged to the overturning frame 41, one end of the air cylinder 42 is hinged to the overturning platform 43, and the other end is hinged to the overturning frame 41. When glass is borne on the second conveying roller 44, the second conveying roller 44 rotates to drive the glass to be conveyed forwards, when line connection production is needed, the overturning platform 43 is in a horizontal position, the glass can enter the glass coating production equipment 2 from the position, when line connection is not needed, the fluctuation overturning platform 43 rotates to a vertical state or a nearly vertical state relative to the rack 311, the air cylinder 42 is in a contraction state, a channel is formed in the area, and free switching between traditional production and line connection production is achieved through the use of the turnover mechanism. The rack 311 of the conveying mechanism 31 positioned between the sheet storage mechanism 32 and the glass coating production equipment 2 is provided with a lifting mechanism. Above-mentioned elevating system can be the lift cylinder, and the platform frame 311 of above-mentioned conveying mechanism 31 can be the revolving stage, forms the lift revolving stage through the lift cylinder, and is concrete, and the below of lift revolving stage is equipped with the equipartition in coplanar conveyer, conveyer be a plurality of parallel lines on with driving roller parallel distribution, conveyer is fixed in on a lift plane, and lift plane below is connected with the lift cylinder, and the lift cylinder drives lift plane at vertical direction reciprocating motion, and is concrete, behind glass got into the lift revolving stage from the transmission platform of piece mechanism, the holding surface that driving belt constituted was higher than the holding surface that transmission platform driving roller constitutes, and driving belt carries the lift revolving stage with glass with predetermined height this moment, realizes the transportation of glass between the lift revolving stage through conveyer. The lower end of the rack 311 of the conveying mechanism 31 at the feeding end of the sheet storage mechanism 32 is provided with a universal wheel, so that the conveying mechanism 31 is a movable conveying table 313. Adopt detachable electric connection mechanism and electric connector between this transmission platform and the adjacent transmission platform, can realize through simple operation that electric connection mechanism and electric connector demolish easily, the length of mobilizable transmission platform is 6m, breaks away from the back when mobilizable transmission platform, forms the wide commodity circulation passageway of 6m, makes things convenient for large-scale fork truck to pass through.
Example 2
A control method of a connection device of a float glass production line and a coating production line based on embodiment 1 comprises the following steps:
step 1: controlling the conveying mechanism 31 to convey the glass conveyed out by the float glass production equipment 1 to the shelf 321 of the sheet storage mechanism 32, wherein the sheet storage mechanism 32 conveys the glass to the glass coating production equipment 2 through the sheet storage mechanism 32 and the conveying mechanism 31 behind the sheet storage mechanism 32 according to a preset time interval;
step 2: the photoelectric sensor acquires the number of glasses on the shelf 321 according to the optical signal;
if the quantity of the glass is less than or equal to the first preset value, the PLC controls the conveying mechanism 31 positioned in front of the sheet storage mechanism 32 to work and convey the glass to the sheet storage mechanism 32;
if the quantity of the glass is larger than or equal to a second preset value, the PLC controls the conveying mechanism 31 positioned in front of the sheet storage mechanism 32 to stop conveying the glass to the sheet storage mechanism 32, and the second preset value is larger than the first preset value;
and step 3: and (3) when the discharging speed of the float glass production equipment is lower than the feeding speed of the glass coating production equipment in a certain time period, the glass on the shelf of the glass storage mechanism descends layer by layer, and when the glass on the shelf of the glass storage mechanism descends to a reasonable range, namely the number of the glass is less than or equal to a first preset value, the step 1 is repeated, so that the circulation is carried out.
Example 3
On the basis of the on-line device of the float glass production line and the coating production line of example 1, the execution of the PLC supervisory control system based on the production requirements and production process profile defined by the user and interfaced to the control glass production line by the supervisory control system also provides an optimization system that meets the production requirements specifications of glass incorporating the defect coordinates and defect type information of the glass ribbon. This information serves as a basis for the optimization system in the pre-cut sizing results. The number of glass defects is related to the standard glass area (defined in the machine parameters). The number of each defect translates into the actual cutting area for the glass produced. The order to be produced is defined in terms of length, type, quality, target and quantity required for each order to be completed at the operator station of the PPC system, and the quantity of glass to be produced is set and stored. The production order represents a production order that is currently to be produced or short-term planned. The supervisory control system automatically processes the cycle time operating speed of the inline conveyor apparatus while the cycle time and availability of the cutting apparatus, the conveyor line sections, and the targets are all pre-cut size optimized for consideration within the scope of lead optimization, the optimization algorithm generating a cutting pattern from the production order whose computation time is limited by the optimization zone (distance from the defect detection system to the decision line).
In summary, in the connection device structure of the float glass production line and the coating production line provided by the invention, by arranging the conveying mechanism and the sheet storage mechanism between the float glass production equipment and the glass coating production equipment, when the discharge speed of the float glass production equipment is greater than the feed speed of the glass coating production equipment in a certain time period or the glass coating production equipment is in failure, the sheet storage mechanism can play a role in temporarily storing glass, and particularly, the connection device structure can be realized by the following control method; step 1: controlling a conveying mechanism to convey the glass conveyed out by the float glass production equipment to a shelf of a sheet storage mechanism, wherein the sheet storage mechanism conveys the glass to glass coating production equipment through the sheet storage mechanism and the conveying mechanism behind the sheet storage mechanism according to a preset time interval; step 2: the photoelectric sensor acquires the quantity of glass on the shelf according to the optical signal; specifically, when the glass on a certain layer of the shelves is positioned at the height of the conveying table, the corresponding light receiver receives a light signal sent by the light emitter, and at the moment, the PLC receives the signal and controls the moving mechanism to move along the vertical direction to move the next piece of glass to the next layer of the shelves, so that the glass is longitudinally stacked on the storage mechanism, and the glass on the storage mechanism is released in the same way, and the PLC controls the moving mechanism to move in the vertical direction in a timing mode to enable the glass on each layer to be conveyed backwards through the rear conveying mechanism according to a specific time interval; if the quantity of the glass on the glass storage device is smaller than or equal to a first preset value, the PLC controls a conveying mechanism located in front of the glass storage mechanism to work and convey the glass to the glass storage mechanism; if the quantity of the glass on the glass storage device is larger than or equal to a second preset value, the PLC controls the conveying mechanism positioned in front of the glass storage mechanism to stop conveying the glass to the glass storage mechanism, and the second preset value is larger than the first preset value; and step 3: and (3) when the discharging speed of the float glass production equipment is lower than the feeding speed of the glass coating production equipment in a certain time period, the glass on the shelf of the glass storage mechanism descends layer by layer, and when the glass on the shelf of the glass storage mechanism descends to a reasonable range, namely the number of the glass is less than or equal to a first preset value, the step 1 is repeated, so that the circulation is carried out. By the aid of the device, feeding continuity of glass coating production equipment can be guaranteed, working efficiency is improved, the rhythm of float glass production discharging is matched with the feeding rhythm of the glass coating production equipment, empty pieces or blocked pieces are avoided, automatic production of an off-line coating production line is achieved, manual forklift carrying is not needed, labor intensity of workers is reduced, glass is prevented from being damaged, the yield of the glass is improved, and labor production efficiency is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. The connecting device of the float glass production line and the coating production line comprises float glass production equipment and glass coating production equipment and is characterized by also comprising a connecting device body positioned between the float glass production equipment and the glass coating production equipment; the connecting device body comprises a conveying mechanism, a film storage mechanism and a control device;
the initial end of the conveying mechanism is connected to a discharge hole of float glass production equipment, and the tail end of the conveying mechanism is connected to a feed hole of glass coating production equipment;
the sheet storage mechanism is connected to the middle part of the conveying mechanism and comprises a plurality of layer frames distributed in the vertical direction, the layer frames are connected with a moving mechanism used for driving the layer frames to move in the vertical direction, the sheet storage structure further comprises a conveying table, and a plurality of conveying rollers distributed in the horizontal direction are arranged on the conveying table;
the control device comprises a photoelectric sensor and a PLC (programmable logic controller), the photoelectric sensor is electrically connected with the PLC, the PLC is electrically connected with the conveying mechanism, and the moving mechanism is electrically connected with the PLC; the photoelectric sensor comprises a light emitter and light receivers, the light emitter is connected to a transmission platform of the film storage mechanism, the light receivers are connected to each layer of the layer frame respectively, and when glass on a certain layer of the layer frame is located at the height of the transmission platform, the corresponding light receivers receive light signals sent by the light emitter.
2. The line connecting device of a float glass production line and a coating production line according to claim 1, wherein the shelf comprises a support and a plurality of support units arranged at intervals along the conveying direction, the upper parts of the support units are connected to the support, the support units comprise a left longitudinal column, a right longitudinal column and a glass support beam, and the glass support beam is horizontally arranged between the left longitudinal column and the right longitudinal column.
3. The apparatus of claim 2, wherein the number of the transfer rollers is plural, and each transfer roller is located between two adjacent support units.
4. The device for connecting a float glass production line and a coating production line according to claim 1, wherein the moving mechanism comprises a vertical screw and an electric screw in threaded fit with the screw, and the lower end of the screw is connected to the shelf.
5. The connecting device for the float glass production line and the coating production line according to claim 1, wherein the conveying mechanism comprises a rack, and a first driving mechanism, a first transmission mechanism and a plurality of first conveying rollers which are arranged on the rack, the first conveying rollers are arranged side by side, the first conveying rollers are in transmission connection through the first transmission mechanism, and the first driving device is in transmission connection with the first conveying rollers and is used for driving the first conveying rollers to rotate.
6. The connecting device for the float glass production line and the coating production line according to claim 5, wherein a turnover table is further arranged at the connection position of the conveying mechanism and the glass coating production equipment, the turnover table comprises a turnover frame, a turnover table, a cylinder, a second driving mechanism, a second transmission mechanism and a plurality of second conveying rollers, the second conveying rollers are arranged on the turnover table at intervals side by side, the second conveying rollers are in transmission connection with one another through the second transmission mechanism, and the second driving device is in transmission connection with the second conveying rollers and used for driving the second conveying rollers to rotate; one end of the overturning platform is hinged to the overturning frame, one end of the air cylinder is hinged to the overturning platform, and the other end of the air cylinder is hinged to the overturning frame.
7. The apparatus of claim 1, wherein the carriage of the conveyor between the sheet storage and the glass coating apparatus is provided with a lifting mechanism.
8. The connecting device for a float glass production line and a coating production line according to claim 1, wherein a universal wheel is provided at the lower end of the rack of the conveying mechanism at the feed end of the sheet storage mechanism.
9. The method for controlling a line connecting a float glass production line and a coating production line according to any one of claims 1 to 8, comprising the steps of:
step 1: controlling a conveying mechanism to convey the glass conveyed out by the float glass production equipment to a shelf of a sheet storage mechanism, wherein the sheet storage mechanism conveys the glass to glass coating production equipment through the sheet storage mechanism and the conveying mechanism behind the sheet storage mechanism according to a preset time interval;
step 2: the photoelectric sensor acquires the quantity of glass on the shelf according to the optical signal;
if the quantity of the glass is less than or equal to the first preset value, the PLC controls a conveying mechanism positioned in front of the sheet storage mechanism to work and convey the glass to the sheet storage mechanism;
if the quantity of the glass is larger than or equal to a second preset value, the PLC controls the conveying mechanism positioned in front of the sheet storage mechanism to stop conveying the glass to the sheet storage mechanism, and the second preset value is larger than the first preset value;
and step 3: and (3) when the discharging speed of the float glass production equipment is lower than the feeding speed of the glass coating production equipment in a certain time period, the glass on the shelf of the glass storage mechanism descends layer by layer, and when the glass on the shelf of the glass storage mechanism descends to a reasonable range, namely the number of the glass is less than or equal to a first preset value, the step 1 is repeated, so that the circulation is carried out.
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| CN202110318576.2A CN113173411A (en) | 2021-03-25 | 2021-03-25 | Connecting device for float glass production line and coating production line and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113582531A (en) * | 2021-09-28 | 2021-11-02 | 湖北瀚煜建材科技有限公司 | Feeding track system for glass tempering furnace |
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Country or region after: China Address after: 350300 Xinfuxing Road, Jiangyin Gangcheng Economic Zone, Fuqing City, Fuzhou City, Fujian Province Applicant after: Fuzhou Xinfuxing Glass Technology Co.,Ltd. Applicant after: Fujian Xinfuxing glass Intelligent Technology Co.,Ltd. Applicant after: Xinfuxing Glass Industry Group Co.,Ltd. Applicant after: FUZHOU XINFUXING GLASS Co.,Ltd. Applicant after: Guangxi Xinfuxing Silicon Technology Co.,Ltd. Address before: 350300 Xinfuxing Road, Jiangyin Gangcheng Economic Zone, Fuqing City, Fuzhou City, Fujian Province Applicant before: Fuzhou Xinfuxing Float Glass Co.,Ltd. Country or region before: China Applicant before: Fujian Xinfuxing glass Intelligent Technology Co.,Ltd. Applicant before: Xinfuxing Glass Industry Group Co.,Ltd. Applicant before: FUZHOU XINFUXING GLASS Co.,Ltd. Applicant before: Guangxi Xinfuxing Silicon Technology Co.,Ltd. |
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