CN111688363B - Bottle lid inner gasket two-dimensional code printing device - Google Patents

Bottle lid inner gasket two-dimensional code printing device Download PDF

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Publication number
CN111688363B
CN111688363B CN202010710784.2A CN202010710784A CN111688363B CN 111688363 B CN111688363 B CN 111688363B CN 202010710784 A CN202010710784 A CN 202010710784A CN 111688363 B CN111688363 B CN 111688363B
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China
Prior art keywords
gasket
conveying
air
dimensional code
code printing
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CN202010710784.2A
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Chinese (zh)
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CN111688363A (en
Inventor
江传宝
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Anhui Baishijia Packaging Co ltd
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Anhui Baishijia Packaging Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/47—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
    • B41J2/471—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
    • B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/01—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for special character, e.g. for Chinese characters or barcodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/44—Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
    • B41J3/445—Printers integrated in other types of apparatus, e.g. printers integrated in cameras
    • 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
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/30—Belts or like endless load-carriers
    • B65G15/58—Belts or like endless load-carriers with means for holding or retaining the loads in fixed position, e.g. magnetic
    • 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
    • B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
    • 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
    • B65G47/02—Devices for feeding articles or materials to conveyors
    • B65G47/04—Devices for feeding articles or materials to conveyors for feeding articles
    • B65G47/12—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles
    • B65G47/14—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding
    • B65G47/1407—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding the articles being fed from a container, e.g. a bowl
    • B65G47/1442—Devices for feeding articles or materials to conveyors for feeding articles from disorderly-arranged article piles or from loose assemblages of articles arranging or orientating the articles by mechanical or pneumatic means during feeding the articles being fed from a container, e.g. a bowl by means of movement of the bottom or a part of the wall of the container
    • B65G47/1457—Rotating movement in the plane of the rotating part
    • B65G47/1464—Rotating movement in the plane of the rotating part using the centrifugal effect to arrange or orientate the 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
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
    • B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the 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
    • 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
    • B65G47/525—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices using fluid jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/018—Certifying business or products
    • G06Q30/0185—Product, service or business identity fraud
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0214—Articles of special size, shape or weigh
    • B65G2201/022—Flat
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
    • B65G2203/04—Detection means
    • B65G2203/042—Sensors
    • B65G2203/044—Optical

Abstract

The invention discloses a two-dimensional code printing device for a gasket in a bottle cap, which comprises a feeding mechanism, a material arranging mechanism, a linkage mechanism, a first conveying mechanism, a second conveying mechanism, a blowback mechanism, a two-dimensional code printing and detecting mechanism, a defective product eliminating mechanism and an encoder, wherein the feeding mechanism is arranged on the feeding mechanism; the gasket is conveyed to the second conveying mechanism by the feeding mechanism, the material arranging mechanism and the first conveying mechanism in sequence, the back-blowing mechanism blows back the gasket with the distance not meeting the requirement to the material arranging mechanism, the two-dimensional code printing and detecting mechanism prints the two-dimensional code on the surface of the gasket, the printed gasket is detected, and the defective product eliminating mechanism is matched to eliminate unprinted products and defective products. The invention can realize automatic and production line type production, can print the two-dimensional code stored with product information on the surface of the gasket, can achieve the effects of information tracing, marketing popularization and the like, and the bottle cap built-in two-dimensional code formed by the method has better anti-counterfeiting effect and has the characteristics of high production efficiency, high rate of certified products, short production period, low cost and the like.

Description

Bottle lid inner gasket two-dimensional code printing device
Technical Field
The invention relates to the field of bottle cap production and processing equipment, in particular to a two-dimensional code printing device for a gasket in a bottle cap.
Background
The bottle cap is used as a part of wine package, and has the following three functions: 1. sealing property: the wine bottle cap has the advantages that the wine bottle cap can protect wine, contact between outside air and internal wine is effectively blocked, volatilization and evaporation of the internal wine are prevented, and the wine quality is kept unchanged for a long time, which is the most basic function of the bottle cap; 2. decoration: although the bottle cap is small, the bottle cap can play a role of drawing dragon eyes on the whole package, and the bottle cap with novel design and bright color can not only improve the grade of wine products, but also highlight the theme culture and the enterprise spirit of manufacturers; 3. anti-counterfeiting property: through various means such as structure, surface decoration, material, etc., the counterfeit is difficult to copy, thereby improving the anti-counterfeiting performance, and the anti-counterfeiting becomes one of the important functions of the bottle cap.
At present, in the bottle cap manufacturing industry, except the traditional structure anti-counterfeiting, the anti-counterfeiting means generally performed by appearance surface decoration mainly comprises fluorescence anti-counterfeiting, magnetic ink anti-counterfeiting and the like. Because fluorescent ink is relatively common, counterfeiters can easily obtain materials and print the materials on counterfeit covers, and the problems are not solved from the source; in addition, the fluorescent anti-counterfeiting needs to be assisted by a fluorescent lamp, and misjudgment is easily caused in the environment of a strong light source. The magnetic ink is added with a magnetic material which is generally an iron oxide substance, and the magnetism of the magnetic ink can be damaged under the actions of high temperature, acid and alkali, strong magnetic fields (magnets, transformers and the like), friction and the like, so that the magnetic ink cannot be read and has poor stability, and therefore the risk of anti-counterfeiting failure can possibly occur in the processes of production, transportation and application of bottle caps.
With the continuous development of information technology and the popularization of mobile intelligent terminals, two-dimensional codes become a widely-used mode for recording commodity information at present due to the characteristics of being capable of storing rich information and being easy to identify by mobile intelligent terminals (mobile phones). Bottle lid manufacturing enterprise prints the two-dimensional code on the bottle lid of corresponding beverage, can realize the anti-fake, information of product and trace back, marketing purpose such as popularization.
At present, in the bottle cap manufacturing industry, a gasket is used as a common built-in part of a bottle cap, is generally made of a novel environment-friendly plastic foaming material, has good performances of sealing, buffering, shock resistance, heat insulation, moisture resistance, chemical corrosion resistance and the like, and is non-toxic and non-absorbent. If the two-dimensional code stored with the product information is printed on the surface of the gasket, the effects of anti-counterfeiting, information tracing, marketing popularization and the like can be achieved on the premise that the gasket is guaranteed to have the performances, and the two-dimensional code can serve two purposes at one stroke. Therefore, a pad two-dimensional code printing device needs to be designed to meet the requirements.
Disclosure of Invention
The invention aims to provide a two-dimensional code printing device for a gasket in a bottle cap, which can realize automatic and production line type production, can print a two-dimensional code stored with product information on the surface of the gasket, can achieve the effects of information tracing, marketing promotion and the like on the premise of not influencing the normal performance of the gasket, and the formed two-dimensional code in the bottle cap has a better anti-counterfeiting effect.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a bottle lid inner gasket two-dimensional code printing device which characterized in that: the device comprises a feeding mechanism, a material arranging mechanism, a linkage mechanism, a first conveying mechanism, a second conveying mechanism, a blowing-back mechanism, a two-dimensional code printing and detecting mechanism, a defective product eliminating mechanism and an encoder, wherein the feeding mechanism, the material arranging mechanism, the linkage mechanism, the first conveying mechanism, the second conveying mechanism, the blowing-back mechanism, the two-dimensional code printing and detecting mechanism, the defective product eliminating mechanism and the encoder are sequentially arranged along a gasket conveying path;
the feeding mechanism comprises a hopper and an air duct, a feeding opening facing to the outlet at the bottom of the hopper is arranged on the wall of the air duct, and a chute is connected between the outlet at the bottom of the hopper and the feeding opening;
the material arranging mechanism comprises a cylindrical box body with an open upper end, the air outlet end of the air pipeline is communicated with the upper port of the cylindrical box body, a large rotary disc capable of rotating is arranged at the bottom in the cylindrical box body, a discharge hole is formed in one side of the bottom of the cylindrical box body, a small rotary disc capable of rotating is arranged on the inner side of the discharge hole, and a plurality of clamping grooves are formed around the small rotary disc respectively;
the linkage mechanism comprises a baffle, a first cylinder, a shifting sheet, a blocking sheet, a first photoelectric switch, a first electromagnetic valve and a first PLC (programmable logic controller), the baffle is rotatably installed in the chute and arranged along the width direction of the baffle, a channel for a gasket to pass through is formed between the bottom end of the baffle and the inner bottom surface of the chute, the first cylinder drives the baffle to deflect, and the first electromagnetic valve is installed in an air supply loop of the first cylinder; the shifting piece is rotatably arranged in the cylindrical box body, a gap for a gasket to pass through is formed between the bottom end of the shifting piece and the upper surface of the large rotary disc, and the blocking piece deflects synchronously with the shifting piece on one hand and is matched with the first photoelectric switch on the other hand; the first PLC is respectively and electrically connected with the first photoelectric switch and the first electromagnetic valve;
the first conveying mechanism comprises a conveying panel, the front end of the conveying panel corresponds to the discharge hole, a plurality of air blowing holes for blowing air backwards are respectively formed in the conveying panel, and a limiting mechanism is arranged above the conveying panel;
the second conveying mechanism comprises a conveying belt, the feeding end of the conveying belt corresponds to the rear end of the conveying panel, and a plurality of air suction holes are formed in the conveying belt respectively;
the blowback mechanism is arranged at the front section of the conveying belt and comprises a second photoelectric switch, a first spray head, a material return pipe and a second electromagnetic valve, the second photoelectric switch and the first spray head are sequentially arranged along a gasket conveying path, the second photoelectric switch faces the surface of the conveying belt from the upper part, the first spray head and the material return pipe are respectively arranged at two sides of the conveying belt and are oppositely arranged, the material return pipe leads to the inside of the cylindrical box body, and the second electromagnetic valve is arranged in a gas supply loop of the first spray head;
the two-dimensional code printing and detecting mechanism is arranged at the middle section of the conveying belt and comprises a third photoelectric switch, a laser printer, a camera, a second PLC and a storage unit for storing two-dimensional code information, wherein the third photoelectric switch, the laser printer and the camera are sequentially arranged along a gasket conveying path, and a printing laser head of the third photoelectric switch, a printing laser head of the laser printer and a lens of the camera face the surface of the conveying belt from the upper part;
the defective product removing mechanism is arranged at the rear section of the conveying belt and comprises a second spray head, a material receiving pipe and a third electromagnetic valve, the second spray head and the material receiving pipe are respectively arranged at two sides of the conveying belt and are oppositely arranged, and the third electromagnetic valve is arranged in an air supply loop of the second spray head;
the second PLC is electrically connected with the storage unit, the camera, the second photoelectric switch, the third photoelectric switch and the encoder, and the laser printer, the second electromagnetic valve and the third electromagnetic valve.
Furthermore, the hopper is fixed on the first support, and an openable first transparent end cover is installed at an inlet at the top of the hopper; the air inlet end of the ventilation pipeline is connected with a first air blower; the upper port of the chute is provided with an openable second transparent cover, the bottom of the chute is provided with a vibrator, the second transparent cover is respectively provided with a plurality of first air outlet holes, and the aperture of each first air outlet hole is smaller than the outer diameter of the gasket.
Furthermore, a first rotating shaft arranged along the width direction of the chute is rotatably mounted in the chute, the upper end of the baffle is fixedly connected to the bottom of the first rotating shaft, and the height of the channel is greater than the thickness of one gasket; one end of the first rotating shaft extends to the outer side of the chute and is fixedly connected with a rotating arm, the first air cylinder is rotatably installed on the outer wall of the chute, and the end part of a piston rod of the first air cylinder is rotatably connected with the lower end of the rotating arm.
Furthermore, the cylindrical box body is fixed on a second support, an openable third transparent end cover is installed at the upper port of the cylindrical box body, and a first motor for driving the large turntable to rotate is installed on the second support; the lower edge of discharge gate with the upper surface looks parallel and level of carousel, be in on the outer wall of cylindric box drive carousel pivoted second motor is installed to the top of carousel, the carousel of following the top be close to the carousel, and not with the carousel contacts, the carousel with the direction of rotation of carousel is the same, is clockwise rotation or anticlockwise rotation.
Furthermore, a second rotating shaft is rotatably installed on the inner wall of the cylindrical box body, the shifting piece is fixedly connected to one end of the second rotating shaft, and the height of the gap is slightly larger than the thickness of one gasket; the other end of the second rotating shaft extends to the outer side of the cylindrical box body and is fixedly connected with the blocking piece, and the blocking piece shields the first photoelectric switch from the outer side.
Furthermore, the rear end of the conveying panel and the feeding end of the conveying belt are perpendicular to each other, and the left side and the right side of the rear end of the conveying panel are fixedly connected with arc-shaped guide rods which are guided to the upper part of the feeding end of the conveying belt respectively; the bottom of the conveying panel is connected with a first air box communicated with the plurality of air blowing holes, and the front part of the first air box is connected with a second air blower through a first pipeline.
Further, the front end of the conveying panel corresponds to the discharge hole along the tangential direction of the discharge hole; the left side plate and the right side plate of the first air box respectively extend upwards to respectively and correspondingly form a left limiting seat and a right limiting seat for limiting the gasket passing through the conveying panel; the limiting mechanism comprises a plurality of first limiting cross rods which are fixedly connected between the top ends of the left side plate and the right side plate of the first air box and are arranged along the width direction of the conveying panel, and a second limiting cross rod which is fixedly connected between the plurality of first limiting cross rods and is arranged along the length direction of the conveying panel; a second air cylinder is arranged above the rear end of the conveying panel, a piston rod of the second air cylinder is vertically arranged, and a fourth electromagnetic valve electrically connected with the second PLC is installed in an air supply loop of the second air cylinder; the second limiting cross rod and a piston rod of the second air cylinder are mutually staggered.
Furthermore, the below of conveyer belt be provided with the second gas tank that a plurality of suction hole is linked together, the front portion, the middle part and the rear portion of second gas tank are connected with the draught fan through the second pipeline jointly.
Furthermore, two sides of the inlet end of the feed back pipe are respectively provided with an auxiliary spray head facing the interior of the feed back pipe.
Furthermore, the material receiving pipe is bent into an inverted L shape from the inlet end to the outlet end, a plurality of second air outlets are respectively arranged on the pipe wall of the upper side of the material receiving pipe, and the aperture of each second air outlet is smaller than the outer diameter of the gasket.
The invention has the beneficial effects that:
1. the feeding mechanism mainly comprises a hopper, a chute and an air duct, the gasket is conveyed to the material arranging mechanism by the conveying modes of material sliding and air blowing respectively based on the principle of height difference and air flow blowing by utilizing the light characteristic of the gasket, and the gasket conveying mechanism is simple in structure, easy to realize, low in cost, high in reliability and high in working efficiency.
2. The material arranging mechanism mainly comprises a cylindrical box body, a large turntable and a small turntable, on one hand, gaskets are dispersed and tiled around the large turntable by utilizing the centrifugal force generated when the large turntable rotates, so that the gaskets are changed into a stable state from an unstable state when being blown along with airflow, the influence on subsequent discharging caused by disordered gathering or stacking is avoided, the material blocking phenomenon is further avoided, and the normal operation of subsequent operation is ensured; on the other hand, the gaskets are received one by the aid of the clamping grooves rotating along with the small rotary disc, and the gaskets are transferred to the first conveying mechanism one by one, so that important basis and precondition are provided for normal operation of follow-up operation.
3. The linkage mechanism adopted by the invention mainly comprises a baffle plate and a first cylinder which are arranged on the feeding side, and a shifting sheet, a blocking sheet and a first photoelectric switch which are arranged on the material arranging side; the lower part of the baffle is provided with a channel for the gasket to pass through, the lower part of the shifting sheet is provided with a gap for the gasket to pass through, the influence of the gasket condition (excess) of the material handling side causes the change of the gap height, the shifting sheet is deflected, the blocking sheet is deflected synchronously, and then the first photoelectric switch generates a switching signal (level signal), the first air cylinder is controlled to perform corresponding action, the baffle is driven to deflect, the channel is controlled to perform adaptive adjustment, the feeding amount of the feeding side is controlled according to the gasket condition of the material handling side, the feeding mechanism and the material handling mechanism can be correlated, the mutual adaptation between the feeding side and the material handling side is realized, the material handling side is not adapted to the feeding side passively, and the normal and ordered feeding of the gasket is facilitated.
4. The first conveying mechanism mainly comprises a conveying panel and a plurality of air blowing holes which are arranged on the conveying panel and blow air backwards, the gasket is conveyed to the second conveying mechanism by an air blowing conveying mode by utilizing the light weight characteristic of the gasket, and the effects of natural transition and reliable connection are achieved between the material arranging mechanism and the second conveying mechanism.
5. The second conveying mechanism mainly comprises a conveying belt and a plurality of air suction holes arranged on the conveying belt, and the gasket is adsorbed on the conveying belt in an air suction mode by utilizing the light characteristic of the gasket, so that the gasket can be fixed without any clamping or positioning measures, and the subsequent flow operation is guaranteed.
6. The blowing-back mechanism is arranged at the front section of the conveying belt and mainly comprises a second photoelectric switch, a first spray head and a material return pipe, the second photoelectric switch is used for detecting whether the distance between the gaskets which sequentially pass through the second photoelectric switch below the second photoelectric switch meets the requirement of a follow-up laser printer on the distance between the gaskets when the follow-up laser printer carries out two-dimensional code printing operation, and the gaskets with the distance which does not meet the requirement are blown back into the cylindrical box body of the material arranging mechanism, so that the reasonable distance between the adjacent gaskets is ensured, the follow-up two-dimensional code printing operation is conveniently carried out normally, and the quality rate is guaranteed to be improved.
7. The two-dimensional code printing and detecting mechanism is arranged in the middle section of the conveying belt and mainly comprises a third photoelectric switch, a laser printer and a camera, wherein the third photoelectric switch is used for detecting gasket in-place information, so that the printing precision of the laser printer can be further improved, the laser printer is used for printing the two-dimensional code on the surface of the gasket, and the camera is used for taking pictures of the gasket at high speed and high definition, so that the discrimination of genuine products, printed defective products and unprinted products is facilitated.
8. The defective product eliminating mechanism is arranged at the rear section of the conveying belt and mainly comprises a second nozzle and a material receiving pipe, so that printed defective products and unprinted products can be timely and automatically eliminated, the certified products can freely pass through the defective product eliminating mechanism, the separation of the certified products from the printed defective products and the unprinted products is realized, the subsequent manual sorting is not needed, the time is saved, and the cost is reduced.
9. The encoder adopted by the invention is connected with the driving shaft/wheel of the conveying belt, and can convert the detected angular displacement of the driving shaft/wheel of the conveying belt into an electric signal and send the electric signal to the second PLC, and the second PLC calculates the running speed of the conveying belt according to the electric signal, thereby providing data support for corresponding actions of the blowback mechanism, the two-dimensional code printing and detecting mechanism and the defective product eliminating mechanism.
In conclusion, the invention can realize automatic and production line type production, can print the two-dimensional code stored with the product information on the surface of the gasket, can achieve the effects of information tracing, marketing popularization and the like on the premise of not influencing the normal performance of the gasket, and the formed bottle cap built-in two-dimensional code has better anti-counterfeiting effect and has the characteristics of high production efficiency, high rate of certified products, short production period, low cost and the like.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a partial structural schematic diagram of the feeding mechanism of the present invention.
Fig. 4 is an enlarged schematic view of a portion B in fig. 3.
Fig. 5 is a partial structural schematic view of the material arranging mechanism of the invention.
Fig. 6 is a partial structural schematic view of the material arranging mechanism of the invention.
Fig. 7 is a schematic structural view of the first conveying mechanism in the present invention.
Fig. 8 is a partial structural schematic view of a second conveying mechanism in the present invention.
FIG. 9 is a schematic view showing the structure of the blowback mechanism (without the suction holes) in the present invention.
Fig. 10 is a schematic structural view of a two-dimensional code printing and detecting mechanism (without a suction hole) in the present invention.
FIG. 11 is a schematic view showing the structure of a defective product removing mechanism according to the present invention (without a suction hole).
Fig. 12 is a first electrical control schematic block diagram of the present invention.
Fig. 13 is a second electrical control schematic block diagram of the present invention.
In fig. 1-11, the direction of the arrows indicate the direction of conveyance or movement of the pads.
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. 1-13, a two-dimensional code printing device for a gasket in a bottle cap comprises a feeding mechanism 1, a material arranging mechanism 2, a linkage mechanism 3, a first conveying mechanism 4, a second conveying mechanism 5, a blowing-back mechanism 6, a two-dimensional code printing and detecting mechanism 7, a defective product eliminating mechanism 8 and an encoder 9 for detecting the conveying speed of the second conveying mechanism 5, which are sequentially arranged along a gasket conveying path.
In this embodiment, the feeding mechanism 1 includes a hopper 100 and an air duct 101, a material inlet 102 facing the bottom outlet of the hopper 100 is disposed on a wall of the air duct 101, and a chute 103 is connected between the bottom outlet of the hopper 100 and the material inlet 102.
It should be noted that, in the present embodiment, the height from the ground of the bottom outlet of the hopper 100 is greater than the height from the ground of the material inlet 102.
Further, the hopper 100 is fixed on a first bracket (not shown in the drawing), and an openable first transparent end cover 104 is installed at the top inlet of the hopper 100; the air inlet end of the ventilation pipeline 101 is connected with a first blower 105; an openable second transparent cover 106 is installed at the upper end of the chute 103, a vibrator 107 is installed at the bottom of the chute 103, a plurality of first air outlet holes 108 which are uniformly distributed are respectively arranged on the second transparent cover 106, and the aperture of each first air outlet hole 108 is smaller than the outer diameter of the gasket 10.
It should be noted that, with the first transparent end cap 104 and the second transparent end cap 106, on one hand, a dust-free environment can be maintained to the maximum extent, and external dust is prevented from adhering to the gasket 10; on the other hand can be convenient for the staff from the outside observation to and in time add the material, and in time handle proruption situation such as card material, long-pending material.
In addition, when the first blower 105 is used, air is blown into the air duct 101 from the air inlet end thereof during operation, so that an air flow moving to the material arranging side is formed in the air duct 101.
It should be noted that, by using the vibrator 107, the vibration force generated during the operation is transmitted to the chute 103, so that the gasket 10 leaking from the bottom outlet of the hopper 100 can rapidly enter the air duct 101 through the chute 103 and the material inlet 102.
It should be noted that, the plurality of first air outlet holes 108 uniformly distributed on the second transparent cover 106 are used to perform a pressure relief function, so that a normal air pressure condition inside the chute 103 (after the second transparent cover 106 is covered, a relatively closed space is formed inside the chute 103) can be maintained, and normal material sliding can be ensured.
It should be noted that, the aperture of each of the first air outlets 108 is smaller than the outer diameter of the gasket 10, so that the gasket 10 can be blocked while the air flow is normally discharged, and the air flow cannot be discharged from the first air outlets 108 along with the air flow.
In this embodiment, the material arranging mechanism 2 includes a cylindrical box 200 with an open upper end, the air outlet end of the air duct 101 leads to the upper port of the cylindrical box 200, a large rotary disc 201 capable of rotating is arranged at the bottom of the cylindrical box 200, a discharge port 202 is arranged at one side of the bottom of the cylindrical box 200, a small rotary disc 203 capable of rotating is arranged at the inner side of the discharge port 202, and a plurality of clamping grooves 204 are respectively arranged around the small rotary disc 203.
Further, the cylindrical box 200 is fixed on a second bracket (not shown in the drawings, the same below), an openable third transparent end cover 205 is installed at the upper port of the cylindrical box 200, and a first motor (not shown in the drawings) for driving the large turntable 201 to rotate is installed on the second bracket; the lower edge of the discharge port 202 is flush with the upper surface of the large turntable 201, a second motor (not shown in the drawing) for driving the small turntable 203 to rotate is mounted on the outer wall of the cylindrical box body 200 above the small turntable 203, the small turntable 203 is close to the large turntable 201 from the upper side and is not in contact with the large turntable 201, and the small turntable 203 and the large turntable 201 rotate in the same direction and both rotate clockwise or anticlockwise; in this embodiment, the small turntable 203 and the large turntable 201 both rotate clockwise.
On one hand, the third transparent end cap 205 can maintain a dust-free environment to the maximum extent and prevent external dust from adhering to the gasket 10; on the other hand, the device can be conveniently observed by workers from the outside and can timely process emergencies such as material blocking, material accumulation and the like.
It should be noted that the lower edge of the discharge port 202 is flush with the upper surface of the large turntable 201, and there is no height difference, which is beneficial to transferring the gasket 10 out through the discharge port 202.
It should be noted that the small turntable 203 is close to the large turntable 201 from above and is not in contact with the large turntable 201, so that the large turntable 201 and the small turntable 203 can operate independently without affecting each other and can be matched with each other; in addition, the small rotating disc 203 and the large rotating disc 201 rotate in the same direction, which is beneficial for the small rotating disc 203 to convey the gasket 10 out through the discharge hole 202 in a 'nearby' manner.
In this embodiment, the linkage mechanism 3 includes a baffle 300, a first cylinder 301, a dial 302, a blocking piece 303, a first photoelectric switch 304, a first electromagnetic valve 305 and a first PLC306, the baffle 300 is rotatably installed in the chute 103 and is arranged along the width direction of the chute, a channel 307 for the gasket 10 to pass through is formed between the bottom end of the baffle 300 and the inner bottom surface of the chute 103, the first cylinder 301 drives the baffle 300 to deflect, and the first electromagnetic valve 305 is installed in an air supply loop of the first cylinder 301; the shifting sheet 302 is rotatably arranged in the cylindrical box body 200, a gap 308 for the gasket 10 to pass through is formed between the bottom end of the shifting sheet 302 and the upper surface of the large turntable 201, and the blocking sheet 303 deflects synchronously with the shifting sheet 302 on one hand and is matched with the first photoelectric switch 304 on the other hand; the first PLC306 is electrically connected to the first photoelectric switch 304 and the first solenoid valve 305, respectively.
In this embodiment, the pick 302 is made of a light material, and has high sensitivity, such as a plastic sheet or a silicone sheet.
Further, a first rotating shaft 109 arranged along the width direction of the chute 103 is rotatably mounted in the chute 103, the upper end of the baffle 300 is fixedly connected to the bottom of the first rotating shaft 109, and the height of the channel 307 is larger than the thickness of one gasket 10; one end of the first rotating shaft 109 extends to the outer side of the chute 103 and is fixedly connected with a rotating arm 110, the first cylinder 301 is rotatably installed on the outer wall of the chute 103, and the end part of a piston rod of the first cylinder 301 is rotatably connected with the lower end of the rotating arm 110.
It should be noted that, with the above structure, the baffle 300 is rotatably installed in the chute 103, and the first cylinder 301 drives the baffle 300 to deflect.
It should be noted that the height of the channel 307 is greater than the thickness of one shim 10, so that the shims 10 can be moved through the channel 307 in a single flat position, or stacked together, or in a single upright position, etc. When the gasket 10 passes through the channel 307 in a single upright position, it can rapidly pass through the channel 307 in a rolling manner, and when it reaches the inlet 102, it will pass through the inlet 102 into the vent duct 101 again in a single flat position, limited by the height of the inlet 102.
That is, the height of the channel 307 needs to be determined according to the actual use situation, and is not limited herein. The theoretical height of the channel 307 is the internal height of the chute 103 at this point.
Further, a second rotating shaft 206 is rotatably mounted on the inner wall of the cylindrical box body 200, the pick 302 is fixedly connected to one end of the second rotating shaft 206, and the height of the gap 308 is slightly larger than the thickness of one gasket 10; the other end of the second rotating shaft 206 extends to the outside of the cylindrical case 200 and is fixedly connected with a blocking piece 303, and the blocking piece 303 shields the first photoelectric switch 304 from the outside.
It should be noted that, with the above structure, it is realized that the pick 302 is rotatably installed in the cylindrical box 200, and at the same time, the blocking piece 303 and the pick 302 can be deflected synchronously and cooperate with the first photoelectric switch 304.
It should be noted that the height of the gap 308 is slightly greater than the thickness of one gasket 10, so that the gasket 10 can be flatly laid around the turntable 201, when the gasket 10 on the turntable 201 is excessive, the gasket 10 can be stacked, if the stacking area is large, in the process of rotating along with the turntable 201, the paddle 302 is pushed, so that the paddle 302 is forced to deflect, the blocking plate 303 is driven to synchronously deflect, the first photoelectric switch 304 is further enabled to generate a switching signal (level signal), the first cylinder 301 is controlled to perform a corresponding action, and the blocking plate 300 is driven to deflect, thereby the channel 307 is controlled to perform an adaptive adjustment.
That is, the gap 308 is intended to "limit the height" of the gasket 10 so that its height is determined, i.e., slightly greater than the thickness of one of the gaskets 10, depending on the actual thickness of the gasket 10.
In this embodiment, the first conveying mechanism 4 includes a conveying panel 400, the front end of the conveying panel 400 corresponds to the discharge port 202, the conveying panel 400 is provided with a plurality of blowing holes 401 for blowing air backward, and a limiting mechanism is disposed above the conveying panel 400.
Further, the rear end of the conveying panel 400 is perpendicular to the feed end of the conveyor belt 500, and the left side and the right side of the rear end of the conveying panel 400 are fixedly connected with arc-shaped guide rods 402 which are guided to the upper side of the feed end of the conveyor belt 500 respectively; the bottom of the conveying panel 400 is connected with a first air box 403 communicated with a plurality of air blowing holes 401, and the front part of the first air box 403 is connected with a second air blower 405 through a first pipeline 404.
It should be noted that, in the present embodiment, the height of the conveying panel 400 from the ground is slightly larger than the height of the conveying belt 500 from the ground.
It should be noted that the rear end of the conveying panel 400 is perpendicular to the feeding end of the conveying belt 500, and the arc-shaped guide rod 402 is adopted to facilitate the movement of the gasket 10 from the conveying panel 400 to the conveying belt 500.
It should be noted that, when the second air blower 405 is used, air is blown into the first air box 403 from the front portion thereof during operation, so that an air flow moving to the feeding end of the conveyor belt 500 is formed in the first air box 403 and is ejected through the plurality of air blowing holes 401, and thus the plurality of air blowing holes 401 can blow air backwards.
Further, the front end of the conveying panel 400 corresponds to the discharge port 202 along the tangential direction of the discharge port; a left side plate and a right side plate of the first air box 403 respectively extend upwards to respectively and correspondingly form a left limiting seat 406 and a right limiting seat 407 for limiting the gasket 10 passing through the conveying panel 400; the limiting mechanism comprises a plurality of first limiting cross rods 408 which are fixedly connected between the top ends of the left side plate and the right side plate of the first air box 403 and arranged along the width direction of the conveying panel 400, and a second limiting cross rod 409 which is fixedly connected between the plurality of first limiting cross rods 408 and arranged along the length direction of the conveying panel 400; a second air cylinder 410 is arranged above the rear end of the conveying panel 400, a piston rod of the second air cylinder 410 is vertically arranged, and a fourth electromagnetic valve 411 electrically connected with the second PLC703 is installed in an air supply loop of the second air cylinder 410; the second limiting cross rod 409 and the piston rod of the second cylinder 410 are staggered.
It should be noted that the front end of the conveying panel 400 corresponds to the discharge port 202 along the tangential direction of the discharge port 202, that is, the front end of the conveying panel 400 is tangent to the discharge port 202 and also tangent to the circumference of the small turntable 203, and under the action of inertia, the gasket 10 can be rapidly conveyed out by the small turntable 203.
It should be noted that the left and right limiting seats 406 and 407 can correspondingly limit the gasket 10 from the left and right sides, and the first and second limiting crossbars 408 and 409 can limit the gasket 10 from above, so that the gasket 10 will not be separated from the conveying panel 400 during the movement of the conveying panel 400 to the feeding end of the conveying belt 500.
It should be noted that, with the second cylinder 410, after the shutdown, a certain number of gaskets on the conveying panel 400 still do not move onto the conveying belt 500, and at this time, the second cylinder 410 operates, and the piston rod extends out to trap the gasket at this point, and also to make other gaskets behind the piston rod stay on the conveying panel 400.
It should be noted that, because the piston rods of the second limiting cross rod 409 and the second cylinder 410 are staggered, the piston rod of the second cylinder 410 does not contact the second limiting cross rod 409 in the stretching process, thereby ensuring the use safety.
In this embodiment, the second conveying mechanism 5 includes a conveying belt 500, a feeding end of the conveying belt 500 corresponds to a rear end of the conveying panel 400, and the conveying belt 500 is provided with a plurality of air suction holes 501.
Further, a second air box 502 communicated with the plurality of air suction holes 501 is arranged below the conveyor belt 500, and the front portion, the middle portion and the rear portion of the second air box 502 are connected with an induced draft fan 504 through a second pipeline 503.
It should be noted that, the induced draft fan 504 is adopted to respectively suck the air in the second air box 502 from the front portion, the middle portion and the rear portion thereof, and suction is generated at the plurality of suction holes 501, so that the gasket 10 is adsorbed on the conveyer belt 500, and the gasket can be fixed without any clamping or positioning measures.
In this embodiment, the blowback mechanism 6 is disposed at the front section of the conveyor belt 500, and includes a second photoelectric switch 600, a first nozzle 601, a material return pipe 602, and a second electromagnetic valve 603, the second photoelectric switch 600 and the first nozzle 601 are sequentially disposed along the conveying path of the gasket 10, the second photoelectric switch 600 faces the surface of the conveyor belt 500 from above, the first nozzle 601 and the material return pipe 602 are disposed at two sides of the conveyor belt 500 and are disposed oppositely, the material return pipe 602 leads to the inside of the cylindrical box 200, and the second electromagnetic valve 603 is installed in the air supply loop of the first nozzle 601.
Further, two sides of the inlet end of the return pipe 602 are respectively provided with an auxiliary spray head 604 facing the interior of the return pipe 602.
It should be noted that the use of the auxiliary nozzle 604 for injecting air into the interior of the return pipe 602 from the inlet end of the return pipe 602 facilitates the blown-back gasket to quickly return to the cylindrical tank 200 through the return pipe 602.
In this embodiment, the two-dimensional code printing and detecting mechanism 7 is disposed in the middle section of the conveying belt 500, and includes a third photoelectric switch 700, a laser printer 701, a camera 702, a second PLC703 and a storage unit 704 storing two-dimensional code information, the third photoelectric switch 700, the laser printer 701 and the camera 702 are sequentially disposed along the conveying path of the gasket 10, and the third photoelectric switch 700, the printing laser head of the laser printer 701 and the lens of the camera 702 all face the surface of the conveying belt 500 from above.
In this embodiment, the defective product removing mechanism 8 is disposed at the rear end of the conveying belt 500, and includes a second nozzle 800, a material receiving pipe 801 and a third electromagnetic valve 802, the second nozzle 800 and the material receiving pipe 801 are disposed at two sides of the conveying belt 500 respectively and are disposed oppositely, and the third electromagnetic valve 802 is installed in an air supply loop of the second nozzle 801.
Furthermore, the material receiving pipe 801 is bent into an inverted L shape from the inlet end to the outlet end, a plurality of second air outlet holes 803 which are uniformly distributed are respectively arranged on the pipe wall of the upper side of the material receiving pipe 801, and the aperture of each second air outlet hole 803 is smaller than the outer diameter of the gasket 10.
It should be noted that the material receiving pipe 801 is bent into an inverted L shape from the inlet end to the outlet end, and a plurality of second air outlets 803 uniformly distributed on the upper pipe wall of the material receiving pipe 801 are used to perform a pressure relief function, so that the rejected printed defective products and unprinted products (also called gaskets, the same below) can normally fall down in the material receiving pipe 801.
It should be noted that the aperture of each of the second air outlets 803 is smaller than the outer diameter of the gasket 10, so that the rejected printed defective products and the rejected unprinted products can be blocked while the air flow is normally discharged, and the rejected printed defective products and the rejected unprinted products cannot be discharged from the second air outlets 803 along with the air flow.
In this embodiment, the second PLC703 is electrically connected to the storage unit 704, the camera 702, the second photoelectric switch 600, the third photoelectric switch 700, and the encoder 9, and the laser printer 701, the second solenoid valve 603, and the third solenoid valve 802, respectively.
The invention is further described below with reference to the accompanying drawings:
the spacer 10 in this embodiment is white and the belt 500 is black. Therefore, when the pad 10 passes under the second and third opto- electronic switches 600 and 700, both the second and third opto- electronic switches 600 and 700 can transmit a switching signal (level signal) to the second PLC703, i.e., the pad 10 can be detected.
During operation, referring to fig. 1, 3, 4, 5, 6 and 12, a worker pours a large number of gaskets (to-be-printed products) into the hopper 100 through the top inlet of the hopper 100, the first air blower 105 and the vibrator 107 respectively operate, the gasket 10 falls through the bottom outlet of the hopper 100, enters the air duct 101 through the chute 103 and the feeding port 102 in sequence, and moves to the material arranging side along the air duct 101 under the action of air flow; then the gasket 10 falls down to the rotary table 201 through the upper port of the cylindrical box 200, the large rotary table 201 and the small rotary table 203 both rotate clockwise, and under the action of centrifugal force, the gasket moves to and is tiled around the large rotary table 201 and rotates along with the large rotary table 201, then the gasket enters into the clamping grooves 204 around the small rotary table 203 one by one, and the gasket is transferred to the conveying panel 400 one by one through the discharge port 202 under the drive of the small rotary table 203.
In the above process, when the amount of the gasket 10 on the turntable 201 exceeds, the gasket 10 may be stacked and exceed the gap 308, if the stacked area is large, in the process of rotating along with the turntable 201, the dial 302 is pushed, so that the dial 302 is forced to deflect, the blocking piece 303 is driven to deflect synchronously by the second rotating shaft 206, the blocking piece 303 no longer shields the first photoelectric switch 304 from the outside, so that the first photoelectric switch 304 sends a corresponding switch signal (level signal) to the first PLC306, the first PLC306 sends a control signal to the first electromagnetic valve 305, the first electromagnetic valve 305 performs a corresponding action, the piston rod of the first cylinder 301 contracts, the blocking plate 300 is driven to deflect counterclockwise by the rotating arm 110 and the first rotating shaft 109, the height of the channel 307 is reduced, even the channel 307 is cut off, and thus the feeding amount of the feeding mechanism 1 is reduced, even the feeding is suspended.
When the gasket 10 on the large turntable 201 is restored to a normal amount, the gasket 10 is not stacked any more, and the paddle 302 is not pushed, the paddle 302 naturally resets under the action of gravity, the blocking piece 303 synchronously resets, the blocking piece 303 shields the first photoelectric switch 304 from the outside again, so that the first photoelectric switch 304 sends a corresponding switch signal (level signal) to the first PLC306, the first PLC306 sends a control signal to the first electromagnetic valve 305, the first electromagnetic valve 305 makes a corresponding action, the piston rod of the first cylinder 301 extends out and resets, the blocking piece 300 is driven by the rotating arm 110 and the first rotating shaft 109 to deflect clockwise and reset, the set height of the channel 307 is restored, and the feeding mechanism 1 restores the original feeding.
Referring to fig. 1, 7 and 13, after the gasket 10 is moved to the conveying panel 400, the second blower 405 is operated to generate an air flow which is ejected backwards through the plurality of air blowing holes 401, and blows the gasket 10 backwards along the conveying panel 400. The gasket 10 is in the removal in-process, and the spacing seat of left side 406 and the spacing seat of right side 407 is spacing from the left side and right side to gasket 10, and the spacing horizontal pole 408 of a plurality of and the spacing horizontal pole 409 of second carry on spacingly to gasket 10 from the top for gasket 10 can not break away from and carry panel 400.
Because the precision of the follow-up mechanism, especially the two-dimensional code printing and detecting mechanism 7, is higher, and the requirement on the working environment is correspondingly higher, the machine needs to be stopped regularly to wipe, debug, maintain and the like the printing laser head, the lens and the like. After the machine is stopped, a certain number of gaskets are usually arranged on the conveying panel 400, the second PLC703 sends a control signal to the fourth electromagnetic valve 411, the first electromagnetic valve 411 performs corresponding actions, the piston rod of the second air cylinder 410 extends out to retain the gasket at the position, other gaskets behind the second air cylinder also stay on the conveying panel 400, and when the machine is restarted, the retained gasket can continuously move to the second conveying mechanism 5, so that the machine can be put into production quickly, and the feeding of the material arranging mechanism 2 is not required to wait.
Referring to fig. 1, 2, 8, 9, 10, 11, and 13, the encoder 9 is connected to the driving shaft/wheel of the conveyor 500, converts the detected angular displacement of the driving shaft/wheel of the conveyor 500 into an electrical signal and transmits the electrical signal to the second PLC703, and the second PLC703 calculates the running speed of the conveyor 500 according to the electrical signal, for example, the running speed of the conveyor 500 is 56 mm/s.
Under the guiding action of the arc-shaped guide rod 402, the gasket 10 is naturally transited to the feed end of the conveying belt 500 from the rear end of the conveying panel 400, namely, moves to the conveying belt 500, the induced draft fan 504 works to suck the air inside the second air box 502 from the front part, the middle part and the rear part of the second air box respectively, and suction force is generated at the plurality of suction holes 501, so that the gasket 10 is adsorbed on the conveying belt 500 and then moves to the discharge end of the conveying belt 500 along with the conveying belt.
Since the spacers 10 are usually located next to each other after moving from the conveying panel 400 to the conveying belt 500, and the laser printer 701 needs a certain response time to print the two-dimensional code, a certain interval is required to be kept between the spacers 10, and in an actual production process, the interval value is usually a diameter value of one spacer, namely about 28 mm.
In this embodiment, the distance between the second photoelectric switch 600 and the first nozzle 601 is set to be 56 mm.
Since the conveyor 500 runs at a speed of 56mm/S, the second and third opto- electronic switches 600 and 700 should each send a switching signal (level signal) to the second PLC703 every 1S when a pad is detected every 1S.
There are many situations where the shims 10 are next to each other, such as two-phase next, three-phase next, four-phase next, etc., and the following is an example of a three-phase next blowback process:
the pads a, b, c are next to each other, and are sequentially detected by the second optoelectronic switch 600 through the lower side of the second optoelectronic switch 600, and if the pad a is detected by the second optoelectronic switch 600 at the 1 st S, the pad b is detected by the second optoelectronic switch 600 at the 1.5 st S, and the pad c is detected by the second optoelectronic switch 600 at the 2 nd S, so that the second optoelectronic switch 600 sends a switching signal (level signal) to the second PLC703 at the 1 st S, sends a switching signal (level signal) to the second PLC703 at the 1.5 st S, sends a switching signal (level signal) to the second PLC703 at the 2 nd S, the second PLC703 accordingly determines that the switching signal (level signal) sent by the second optoelectronic switch 600 at the 1 st S and the 2 nd S is a normal signal, and sends the switching signal (level signal) at the 1.5 st as an abnormal signal, that is, the distance between the pad a and the pad c is a normal value, the distances between the pads a and b and between the pads b and c are abnormal values.
Since the distance between the second photoelectric switch 600 and the first nozzle 601 is 56mm, the gasket a reaches the first nozzle 601 at the 2 nd S, the gasket b reaches the first nozzle 601 at the 2.5 th S, and the gasket c reaches the first nozzle 601 at the 3 rd S, the second PLC703 delays sending the control signal to the second electromagnetic valve 603, the second electromagnetic valve 603 is opened, the air supply circuit of the first nozzle 601 is conducted, air with a certain pressure is ejected at the 2.5 th S, the gasket b is just blown back into the cylindrical box 200 through the material return pipe 602, and then the second electromagnetic valve 603 is controlled to be immediately closed within 0.5S.
Thus, the spacers a and c having the set distance continue to move backward along with the conveyor 500, and the spacer b returns to the cylindrical casing 200 to enter the subsequent feeding cycle.
Other blowback processes, such as two-by-two, four-by-four, etc., can be analogized from the blowback process described above and are not described herein.
In this embodiment, the distance between the third photoelectric switch 700 and the laser printer 701 is set to 56 mm.
Assuming that the pad 10 is detected by the third opto-electronic switch 600 at 1S, the second opto-electronic switch 600 will send a switching signal (level signal) to the second PLC703 at 1S. Since the space between the third photoelectric switch 700 and the laser printer 701 is 56mm, the pad 10 reaches below the printing laser head of the laser printer 701 at the 2 nd S, and thus the second PLC703 delays sending the control command to the laser printer 701, and the laser printer 701 prints the two-dimensional code on the surface of the pad 10 by the printing laser head.
Since the pad 10 may not pass right under the printing laser head of the laser printer 701 while moving along with the conveyor belt 500 during the two-dimensional code printing process, the two-dimensional code may not be printed on the surface of the pad 10 to form an unprinted product, or may be printed on the surface of the pad 10 to form a defective product.
Therefore, after the two-dimensional code printing is finished, the gasket 10 continuously moves backwards along with the conveyor belt 500 to the position below the camera 702, the camera 702 adopts a self-contained light source to irradiate the gasket 10, high-speed and high-definition photographing is carried out on the gasket, the information containing the two-dimensional code obtained by photographing is sent to the second PLC703, the second PLC703 calls the two-dimensional code information stored in the storage unit 704 for comparison, and if the comparison is correct, the judgment is carried out to obtain a correct product; if the comparison has a difference, judging that the product is not printed or defective.
In this embodiment, the distance between the camera 702 and the second nozzle 800 is set to 560 mm.
The pad 10, whether genuine, unprinted or defective, continues to move back with the conveyor 500 after the end of the photograph, and assuming that the pad 10 was "caught" by the camera 702 at 1S, the pad 10 will arrive at the second spray head 800 at 10S. If the second PLC703 determines that the product is genuine, the gasket 10 continues to move backward along with the conveyor 500 until the gasket falls into a receiving frame arranged at the discharge end of the conveyor 500; if the second PLC703 determines that no printed product or defective product is produced, the second PLC delays sending a control signal to the third electromagnetic valve 802, the third electromagnetic valve 802 is turned on, the air supply loop of the second nozzle 800 is turned on, and air with a certain pressure is ejected at the 10 th time to remove the gasket 10 from the conveyor belt 500 and fall into another receiving frame below through the receiving pipe 801.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. The utility model provides a bottle lid inner gasket two-dimensional code printing device which characterized in that: the device comprises a feeding mechanism, a material arranging mechanism, a linkage mechanism, a first conveying mechanism, a second conveying mechanism, a blowing-back mechanism, a two-dimensional code printing and detecting mechanism, a defective product eliminating mechanism and an encoder, wherein the feeding mechanism, the material arranging mechanism, the linkage mechanism, the first conveying mechanism, the second conveying mechanism, the blowing-back mechanism, the two-dimensional code printing and detecting mechanism, the defective product eliminating mechanism and the encoder are sequentially arranged along a gasket conveying path;
the feeding mechanism comprises a hopper and an air duct, a feeding opening facing to the outlet at the bottom of the hopper is arranged on the wall of the air duct, and a chute is connected between the outlet at the bottom of the hopper and the feeding opening;
the material arranging mechanism comprises a cylindrical box body with an open upper end, the air outlet end of the air pipeline is communicated with the upper port of the cylindrical box body, a large rotary disc capable of rotating is arranged at the bottom in the cylindrical box body, a discharge hole is formed in one side of the bottom of the cylindrical box body, a small rotary disc capable of rotating is arranged on the inner side of the discharge hole, and a plurality of clamping grooves are formed around the small rotary disc respectively;
the linkage mechanism comprises a baffle, a first cylinder, a shifting sheet, a blocking sheet, a first photoelectric switch, a first electromagnetic valve and a first PLC (programmable logic controller), the baffle is rotatably installed in the chute and arranged along the width direction of the baffle, a channel for a gasket to pass through is formed between the bottom end of the baffle and the inner bottom surface of the chute, the first cylinder drives the baffle to deflect, and the first electromagnetic valve is installed in an air supply loop of the first cylinder; the shifting piece is rotatably arranged in the cylindrical box body, a gap for a gasket to pass through is formed between the bottom end of the shifting piece and the upper surface of the large rotary disc, and the blocking piece deflects synchronously with the shifting piece on one hand and is matched with the first photoelectric switch on the other hand; the first PLC is respectively and electrically connected with the first photoelectric switch and the first electromagnetic valve;
the first conveying mechanism comprises a conveying panel, the front end of the conveying panel corresponds to the discharge hole, a plurality of air blowing holes for blowing air backwards are respectively formed in the conveying panel, and a limiting mechanism is arranged above the conveying panel;
the second conveying mechanism comprises a conveying belt, the feeding end of the conveying belt corresponds to the rear end of the conveying panel, and a plurality of air suction holes are formed in the conveying belt respectively;
the blowback mechanism is arranged at the front section of the conveying belt and comprises a second photoelectric switch, a first spray head, a material return pipe and a second electromagnetic valve, the second photoelectric switch and the first spray head are sequentially arranged along a gasket conveying path, the second photoelectric switch faces the surface of the conveying belt from the upper part, the first spray head and the material return pipe are respectively arranged at two sides of the conveying belt and are oppositely arranged, the material return pipe leads to the inside of the cylindrical box body, and the second electromagnetic valve is arranged in a gas supply loop of the first spray head;
the two-dimensional code printing and detecting mechanism is arranged at the middle section of the conveying belt and comprises a third photoelectric switch, a laser printer, a camera, a second PLC and a storage unit for storing two-dimensional code information, wherein the third photoelectric switch, the laser printer and the camera are sequentially arranged along a gasket conveying path, and a printing laser head of the third photoelectric switch, a printing laser head of the laser printer and a lens of the camera face the surface of the conveying belt from the upper part;
the defective product removing mechanism is arranged at the rear section of the conveying belt and comprises a second spray head, a material receiving pipe and a third electromagnetic valve, the second spray head and the material receiving pipe are respectively arranged at two sides of the conveying belt and are oppositely arranged, and the third electromagnetic valve is arranged in an air supply loop of the second spray head;
the second PLC is electrically connected with the storage unit, the camera, the second photoelectric switch, the third photoelectric switch and the encoder, and the laser printer, the second electromagnetic valve and the third electromagnetic valve.
2. The bottle cap inner gasket two-dimensional code printing device according to claim 1, wherein: the hopper is fixed on the first support, and an openable first transparent end cover is installed at an inlet at the top of the hopper; the air inlet end of the ventilation pipeline is connected with a first air blower; the upper port of the chute is provided with an openable second transparent cover, the bottom of the chute is provided with a vibrator, the second transparent cover is respectively provided with a plurality of first air outlet holes, and the aperture of each first air outlet hole is smaller than the outer diameter of the gasket.
3. The bottle cap inner gasket two-dimensional code printing device according to claim 2, wherein: a first rotating shaft arranged along the width direction of the chute is rotatably arranged in the chute, the upper end of the baffle is fixedly connected to the bottom of the first rotating shaft, and the height of the channel is greater than the thickness of one gasket; one end of the first rotating shaft extends to the outer side of the chute and is fixedly connected with a rotating arm, the first air cylinder is rotatably installed on the outer wall of the chute, and the end part of a piston rod of the first air cylinder is rotatably connected with the lower end of the rotating arm.
4. The bottle cap inner gasket two-dimensional code printing device according to claim 1, wherein: the cylindrical box body is fixed on the second support, the upper port of the cylindrical box body is provided with an openable third transparent end cover, and the second support is provided with a first motor for driving the large turntable to rotate; the lower edge of discharge gate with the upper surface looks parallel and level of carousel, be in on the outer wall of cylindric box drive carousel pivoted second motor is installed to the top of carousel, the carousel of following the top be close to the carousel, and not with the carousel contacts, the carousel with the direction of rotation of carousel is the same, is clockwise rotation or anticlockwise rotation.
5. The bottle cap inner gasket two-dimensional code printing device according to claim 4, wherein: a second rotating shaft is rotatably arranged on the inner wall of the cylindrical box body, the shifting piece is fixedly connected to one end of the second rotating shaft, and the height of the gap is slightly larger than the thickness of one gasket; the other end of the second rotating shaft extends to the outer side of the cylindrical box body and is fixedly connected with the blocking piece, and the blocking piece shields the first photoelectric switch from the outer side.
6. The bottle cap inner gasket two-dimensional code printing device according to claim 1, wherein: the rear end of the conveying panel and the feeding end of the conveying belt are perpendicular to each other, and the left side and the right side of the rear end of the conveying panel are fixedly connected with arc-shaped guide rods which are guided to the upper part of the feeding end of the conveying belt respectively; the bottom of the conveying panel is connected with a first air box communicated with the plurality of air blowing holes, and the front part of the first air box is connected with a second air blower through a first pipeline.
7. The bottle cap inner gasket two-dimensional code printing device of claim 6, wherein: the front end of the conveying panel corresponds to the discharge hole along the tangential direction of the discharge hole; the left side plate and the right side plate of the first air box respectively extend upwards to respectively and correspondingly form a left limiting seat and a right limiting seat for limiting the gasket passing through the conveying panel; the limiting mechanism comprises a plurality of first limiting cross rods which are fixedly connected between the top ends of the left side plate and the right side plate of the first air box and are arranged along the width direction of the conveying panel, and a second limiting cross rod which is fixedly connected between the plurality of first limiting cross rods and is arranged along the length direction of the conveying panel; a second air cylinder is arranged above the rear end of the conveying panel, a piston rod of the second air cylinder is vertically arranged, and a fourth electromagnetic valve electrically connected with the second PLC is installed in an air supply loop of the second air cylinder; the second limiting cross rod and a piston rod of the second air cylinder are mutually staggered.
8. The bottle cap inner gasket two-dimensional code printing device according to claim 1, wherein: the lower part of the conveyer belt is provided with a second air box communicated with the plurality of air suction holes, and the front part, the middle part and the rear part of the second air box are connected with an induced draft fan through a second pipeline.
9. The bottle cap inner gasket two-dimensional code printing device according to claim 1, wherein: and auxiliary spray heads facing the interior of the feed back pipe are respectively arranged on two sides of the inlet end of the feed back pipe.
10. The bottle cap inner gasket two-dimensional code printing device according to claim 1, wherein: the material receiving pipe is bent into an inverted L shape from the inlet end to the outlet end, a plurality of second air outlet holes are formed in the pipe wall of the upper side of the material receiving pipe respectively, and the aperture of each second air outlet hole is smaller than the outer diameter of the gasket.
CN202010710784.2A 2020-07-22 2020-07-22 Bottle lid inner gasket two-dimensional code printing device Active CN111688363B (en)

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