CN110723705B - Filling device with transparent liquid level detection function and using method thereof - Google Patents
Filling device with transparent liquid level detection function and using method thereof Download PDFInfo
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- CN110723705B CN110723705B CN201911006715.7A CN201911006715A CN110723705B CN 110723705 B CN110723705 B CN 110723705B CN 201911006715 A CN201911006715 A CN 201911006715A CN 110723705 B CN110723705 B CN 110723705B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/20—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus with provision for metering the liquids to be introduced, e.g. when adding syrups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/007—Applications of control, warning or safety devices in filling machinery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C3/225—Means for filling simultaneously, e.g. in a rotary filling apparatus or multiple rows of containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
- B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
- B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
- B67C3/22—Details
- B67C3/24—Devices for supporting or handling bottles
Abstract
The invention discloses a filling device with a transparent liquid level detection function, which comprises a rack, wherein a conveyor belt is arranged on the rack along the horizontal direction, a filling mechanism is arranged above the conveyor belt, and a liquid level detection mechanism is arranged at the end part of the conveyor belt in the running direction. And a shell is arranged on the rack and is positioned above the conveyor belt and used for protecting the filling mechanism. The invention also discloses a use method of the filling device with the transparent liquid level detection function, the filling work of the transparent liquid can be realized, and the filling device is provided with an automatic liquid level detection device.
Description
Technical Field
The invention belongs to the technical field of filling equipment, relates to a filling device with a transparent liquid level detection function, and further relates to a using method of the filling device.
Background
The filling equipment is widely applied to various industries such as chemical industry, food, packaging, medicine and the like, the filling equipment is used for injecting liquid products into containers, the liquid amount of the filled liquid needs to be controlled simultaneously in the filling process, and along with the equipment upgrading and informatization level improvement of the manufacturing industry in recent years, enterprises also put forward new requirements on the filling equipment such as high precision, high efficiency, intellectualization and the like.
Because a mechanical system and a control system of the filling equipment usually have certain errors in the operation process, even if the filling equipment is used for production, the dosage of the product usually has certain difference, certain loss can be brought to customers for the product with higher value, especially for expensive solvents such as medicines and cosmetics, the deviation of the filling quantity can bring adverse effects to the actual application effect of the product, and the accurate control of the filling quantity is an important problem to be solved urgently for the related equipment.
The variety of filling products is various, and filling liquid is divided into colored and transparent. Compared with colored liquid, the filling detection of transparent liquid is more difficult.
Disclosure of Invention
The invention aims to provide a filling device with a transparent liquid level detection function, which can realize filling work of transparent liquid and is provided with an automatic liquid level detection device.
The invention also provides a using method of the filling device with the transparent liquid level detection function.
According to the first technical scheme, the filling device with the transparent liquid level detection function comprises a rack, wherein a conveying belt is arranged on the rack along the horizontal direction, a filling mechanism is arranged above the conveying belt, and a liquid level detection mechanism is arranged at the end part of the conveying belt in the running direction.
The first technical solution of the present invention is also characterized in that,
and a shell is arranged on the rack and is positioned above the conveyor belt and used for protecting the filling mechanism.
Filling mechanism includes main inlet pipe, and main inlet pipe below is equipped with a plurality of branch and expects to expect to manage, is equipped with branch charging valve on every branch expects to expect to manage, and every divides the upper end and the main inlet pipe intercommunication of expecting to expect to manage, and filling pipeline's upper end is connected to every branch's lower extreme, and filling joint is connected to filling pipeline's lower extreme, and filling joint is last to be connected with the filling mouth, and the mouth head of filling mouth sets up down.
And a metering pump is arranged at the joint of the material dividing pipe and the filling pipeline.
The both ends of conveyer belt one side are equipped with elevating rail along vertical direction respectively, and the cooperation is equipped with the filling support on the elevating rail, and the filling support can follow elevating rail and reciprocate, is equipped with the slide rail along the horizontal direction between two filling supports, is equipped with a plurality of guide rail slider on the slide rail, and guide rail slider is the same with the quantity that the filling connects, and every guide rail slider all corresponds and a filling articulate.
Be equipped with the cylinder ejector pad on the slide rail, the cylinder ejector pad is connected on the piston rod of cylinder, and the cylinder passes through the cylinder ejector pad and drives the slide rail up-and-down motion to make filling support up-and-down motion along the riser guide.
The cylinder is installed on the shell through a cylinder installation block.
The second technical scheme adopted by the invention is that the using method of the filling device with the transparent liquid level detection function specifically comprises the following steps:
step 2, introducing liquid to be filled through a main feeding pipe, wherein a main feeding valve and a branch feeding valve are in an open state during filling, ink flows into a metering pump, and the metering pump controls the total amount of the liquid to be filled in the container to be filled in each working period; the metering pump injects liquid into the filling nozzle through a filling pipeline and a filling joint in sequence;
step 6, inputting the number k of finished products in a gray image acquired by the linear array CCD, segmenting the gray image in the horizontal direction, recording the size of the gray image as mxn, segmenting the gray image into k sub-images along the horizontal direction, wherein each sub-image is called a filling product independent image, and the size of each independent image is m/kxn;
carrying out median filtering on the independent image to remove background noise to obtain a filtered image, and carrying out binarization processing on the filtered image to obtain a binarized image; processing the binary image by utilizing an opening operation to obtain an enhanced image;
step 7, calculating the number of pixel points of a vertical line between a liquid level line and the bottom of the filling container in the enhanced image, firstly calculating the number of pixel points of the enhanced image of the qualified product and recording as N0(ii) a Will then be ready forThe number of pixel points of the enhanced image of the detected product is recorded as N, if the relationship shown in the following formula (1) is met, the liquid level detection of the product is judged to be qualified, and the result is displayed on a computer;
N∈(N0-5％,N0+5％) (1)。
the second technique employed by the present invention is also characterized in that,
in step 7, the capacity corresponding to each pixel can be calculated according to the relation between the number of pixels of the standard image of the filled product and the capacity of the filling container, so that the quantitative detection of the filled product is realized, and if the capacity of the qualified product is L, the number of image pixels is N0Therefore, the capacity l corresponding to each pixel can be calculated according to the following formula (2):
l＝L/N0 (2)；
and calculating the capacity X of the enhanced image of the product to be detected according to the following formula (3) to finish the quantitative detection of the product to be detected:
X＝l×N (3)。
the invention has the following beneficial effects:
(1) the liquid level detection function of colorless liquid in the transparent container can be realized, and unqualified products can be found in time;
(2) the automatic filling process of colorless liquid can be realized, and the automatic filling machine comprises a plurality of groups of stations and has higher production efficiency;
(3) the detection is realized by utilizing an image processing technology, the detection precision is high, and the method is suitable for high-end products;
(4) the filling position can be adjusted, and the filling machine is suitable for filling products with different specifications;
(5) the device has good expansibility, is suitable for filling production of various liquid products, and can be butted with various devices through the conveyor belt.
Drawings
FIG. 1 is a schematic structural diagram of a filling apparatus with a transparent liquid level detection function according to the present invention;
fig. 2 is a flow chart of liquid level detection calculation of a method for using the filling device with the transparent liquid level detection function according to the invention.
In the figure, 1 is a main feeding pipe, 2 is a main feeding valve, 3 is a branch feeding pipe, 4 is a branch feeding valve, 5 is a metering pump, 6 is a filling pipeline, 7 is a filling joint, 8 is a guide rail slide block, 9 is a slide rail, 10 is a filling support, 11 is a filling nozzle, 12 is a lifting guide rail, 13 is a shell, 14 is a conveying belt, 15 is a conveying roller, 16 is a rack, 17 is a cylinder mounting block, 18 is a cylinder, 19 is a cylinder push block, 20 is a linear array light source, 21 is an image acquisition chamber, 22 is a linear array CCD, 23 is a data transmission line, 24 is an industrial computer, 25 is a gray level image, 26 is an independent image, 27 is a filtering image, 28 is a binary image, and 29 is an enhanced image.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a filling device with a transparent liquid level detection function, as shown in figure 1, comprising: the device comprises a main feeding pipe 1, a main feeding valve 2, a material dividing pipe 3, a material dividing valve 4, a metering pump 5, a filling pipeline 6, a filling joint 7, a guide rail slide block 8, a slide rail 9, a filling support 10, a filling nozzle 11, a lifting guide rail 12, a shell 13, a conveyor belt 14, a conveying roller 15, a rack 16, a cylinder mounting block 17, a cylinder 18, a cylinder push block 19, a linear array light source 20, an image acquisition chamber 21, a linear array CCD22, a data transmission line 23, an industrial computer 24, a gray level image 25, an independent image 26, a filtering image 27, a binary image 28 and an enhanced image 29. The components are matched with each other to work, and the filling and liquid level detection functions are realized together;
the invention is mainly used for filling colorless liquid, and the liquid level detection function is designed around the filling of the colorless liquid; one end of the main feeding pipe 1 is in butt joint with the filling liquid storage unit, and the other end of the main feeding pipe 1 is in butt joint with the main feeding valve 2; the main feed valve 2 is connected with a main feed pipe 1 and a branch feed pipe 3, the middle of the branch feed pipe 3 is provided with a branch feed valve 4, and the terminal of the branch feed pipe 3 is provided with a metering pump 5; the filling pipeline 6 is a flexible and flexible pipeline, and the filling pipeline 6 is connected with the outlet of the metering pump 5 and the filling joint 7; the filling joint 7 and the guide rail sliding block 8 are fixedly arranged together, and the guide rail sliding block 8 comprises two holes which correspondingly penetrate through the two sliding rails 9; the slide rail 9 is installed on a filling support 10, a circular hole is formed in the center of the filling support 10 and penetrates through a lifting guide rail 12, the filling support 10 drives the slide rail 9 and a guide rail slider 8 installed on the slide rail 9 to move through lifting movement, the slide rail 9 is connected with an air cylinder 18 through an air cylinder push block 19, the bottom of the air cylinder 18 is fixed on a shell 13 through an air cylinder installation block 17, the telescopic end of the air cylinder 18 is fixed with the slide rail 9 through the air cylinder push block 19, and two holes are formed in the air cylinder push block 19 to enable the air cylinder push block to penetrate through the slide rail 9; the shell 13 covers a plurality of parts, and comprises a main feeding pipe 1, a main feeding valve 2, a branch feeding pipe 3, a branch feeding valve 4, a metering pump 5, a filling pipeline 6, a filling joint 7, a guide rail slide block 8, a slide rail 9, a filling support 10, a filling nozzle 11, a lifting guide rail 12, a conveyor belt 14, a conveying roller 15, an air cylinder mounting block 17, an air cylinder 18 and an air cylinder push block 19; one side of the shell 13 is fixedly installed in a butt joint with the image acquisition room 21, a linear array light source 20 and a linear array CCD22 are installed outside the image acquisition room 21, and a linear array CCD22 is connected with an industrial computer 24 through a data transmission line 23; the shell 13, the image acquisition chamber 21, the lifting guide rail 12 and the conveying roller 15 are all fixed on the frame 16;
the filling pipeline system consists of a main feeding pipe 1, a main feeding valve 2, a branch feeding pipe 3, a branch feeding valve 4, a metering pump 5, a filling pipeline 6, a filling joint 7 and a filling nozzle 11, wherein filling liquid enters the device from the main feeding pipe 1 and is injected into a filling container from the filling nozzle 11; the feeding valve 4 is arranged in the middle of the feeding tube 3, the filling joint 7 comprises an inlet and an outlet, the inlet of the filling joint 7 is connected with the filling pipeline 6, and the outlet of the filling joint 7 is butted with the filling nozzle 11; the number of the branch material inlet pipe 3, the branch material inlet valve 4, the metering pump 5, the filling pipeline 6, the filling joint 7, the guide rail slide block 8 and the filling nozzle 11 is equal and form a set, each set of parts correspondingly realizes the filling function of one product, so that the number of the sets of the parts represents the number of the products which can be filled by the device at most simultaneously, and the number of the sets of the parts is 5-8; the positions of the main feeding pipe 1, the main feeding valve 2, the branch feeding pipe 3, the branch feeding valve 4 and the metering pump 5 are fixed relative to the rack 16, the positions of the filling pipeline 6, the filling joint 7 and the filling nozzle 11 can be adjusted along the direction of the guide rail slide block 8 along the slide rail 9, and the filling joint 7 slides on the slide rail 9 along with the guide rail slide block 8;
the conveyor belt 14 is driven by the conveyor roller 15 to move, objects placed on the conveyor belt 14 are conveyed by the conveyor belt 14 to pass through the shell 13 and the image acquisition chamber 21, two ends of the conveyor belt 14 have a butt joint function with other conveyor belts to form various production lines, and the speed of the conveyor roller 15 can be adjusted;
the image acquisition chamber 21 is a chamber containing 3 planes, the finished filling product can pass through the chamber 21 along with the conveyor belt 14, and the industrial computer 24 is arranged in the upper space region of the image acquisition chamber 21; two linear array light sources 20 are provided, a linear array CCD22 is arranged between the two linear array light sources 20, the two linear array light sources 20 are arranged in parallel with the linear array CCD22 at equal distances, and the linear array light sources 20 and the linear array CCD22 are matched with each other for use; the plane of the image acquisition chamber 21 for mounting the linear array light source 20 and the linear array CCD22 is made of transparent acrylic material and has a certain thickness, and the plane parallel to the plane is opaque; the linear array CCD22 is connected with the industrial computer 24 through an Ethernet interface for communication, and the industrial computer 24 realizes the calculation of liquid level detection.
Referring to fig. 1 and 2, the method for using a filling device with a transparent liquid level detection function of the present invention specifically includes the following steps:
(1) containers to be filled are placed on the conveyor belt 14 in a manual or mechanical automatic mode, when the device starts to work, the conveyor belt 14 runs and enters the shell 13 from the left side of the figure 1, the containers are arranged next to one another, namely, the containers are attached to one another, the distance is set, and after 6 containers enter the shell 13, the conveyor belt stops working;
(2) introducing liquid to be filled through a main feeding pipe 1, wherein a main feeding valve 2 and a branch feeding valve 4 are in an open state during filling, ink flows into a metering pump 5, and the metering pump 5 controls the total amount of the liquid filled in each working period; the metering pump 5 can inject liquid into the filling nozzle 11 through the filling pipeline 6 and the filling joint 7;
(3) the cylinder 18 pushes the cylinder push block 19 to descend, so that the filling joint 7, the guide rail slide block 8, the slide rail 9, the filling support 10 and the filling nozzle 11 are pushed to descend together, the filling support 10 moves along the lifting guide rail 12 in the descending process, the stable lifting of the components is ensured, and the filling nozzle 11 is inserted into a container to be filled; after 6 containers enter the conveying belt 14 in the shell 13, the position of the filling joint 7 needs to be adjusted to ensure that the 6 filling nozzles 11 face the central positions of the mouths of the 6 containers, the adjustment only needs to move the filling joint on the sliding rail 9, and for the same batch of products, continuous production can be realized only by adjusting once; the device can be suitable for filling products with different specifications only by adjusting the filling joint 7, the schematic diagram of the device has 6 filling nozzles, so that only 6 containers can be filled at one time, and the change of the number of the filling nozzles is only equivalent to the change of the volume of the device, and the device has the same principle and still belongs to the field of the using method of the device;
(4) after the filling nozzle 11 is inserted into a container to be filled, filling is started, the metering pump 5 is controlled to start working and filling is carried out, and the filling amount can be adjusted through the metering pump 5; after filling, the air cylinder 18 is reset, the filling joint 7, the guide rail slide block 8, the slide rail 9, the filling support 10 and other parts are pulled to ascend together, and the position is returned to the position in the step (1);
(5) after the filling nozzle 11 is reset, the conveyor belt 14 continues to work, finished products which are filled are conveyed and pass through the image acquisition chamber 21 one by one, at the moment, the linear array light source 20 and the linear array CCD (linear array camera) 22 are in a working state, gray image information of the filled finished products is acquired and is transmitted to the industrial computer 24 through the Ethernet interface by the data transmission line 23, and the liquid level detection function of the transparent liquid is performed;
(6) because the gray image 25 acquired by the linear array CCD22 comprises a plurality of finished products, the number k of the finished products is input, the gray image 25 is segmented in the horizontal direction, the size of the gray image 25 is recorded as mxn (wherein m represents the number of pixels in the horizontal direction, and n represents the number of pixels in the vertical direction), the gray image 25 is segmented into k sub-images along the horizontal direction, each sub-image is called as a filling product independent image 26, and the size of each independent image is m/kxn (wherein m/k represents the number of pixels in the horizontal direction, and n represents the number of pixels in the vertical direction);
the independent image 26 is subjected to median filtering to remove background noise, and as the method is used for collecting the image in the image collecting chamber 21, the light source and the background are clearer, and the image collecting effect is good in stability, the median filtering can meet the requirement; carrying out binarization processing on the filtered image 27, wherein the binarization purpose is to keep the liquid level line and the container wall information of the filled finished product, and mainly paying attention to the liquid level line to obtain a binarization image 28; the binarized image 28 should contain a result of liquid level binarization, a binarized threshold value is set to be 110-146, the binarized image 28 is processed by utilizing an opening operation, and after the opening operation is completed, liquid level line information is clearer, so that an enhanced image 29 is obtained;
during the operation, the method comprises two steps of corrosion and expansion, wherein in the operation, after 3-4 times of continuous corrosion, 3-4 times of continuous expansion are carried out to obtain an enhanced image 29;
(7) calculating the number of pixel points of a vertical line between a liquid level line and the bottom of the filling container in the enhanced image 29, firstly calculating the number of pixel points of the enhanced image of the qualified product, and recording as N0(ii) a Then, recording the number of pixel points of the enhanced image 29 of the product to be detected as N, if the following relation is met, judging that the liquid level detection of the product is qualified, and displaying the result on a computer;
N∈(N0-5％,N0+5％)(1)；
the corresponding capacity of each pixel can be converted according to the relation between the number of pixels and the capacity of the standard image, so that the quantitative detection of the filled product is realized, and if the capacity of the qualified product is L, the number of the pixel points is N0Therefore, the capacity l corresponding to each pixel can be calculated according to the following formula:
l＝L/N0 (2)；
and calculating the capacity X of the enhanced image of the product to be detected according to the following formula, and completing the quantitative detection of the product to be detected.
X＝l×N (3)。
Claims (2)
1. A use method of a filling device with a transparent liquid level detection function is characterized in that: the method specifically comprises the following steps:
step 1, placing a plurality of containers to be filled on a conveyor belt, and stopping the conveyor belt when all the containers to be filled enter a conveyor belt area in a shell;
step 2, introducing liquid to be filled through a main feeding pipe, wherein a main feeding valve and a branch feeding valve are in an open state during filling, ink flows into a metering pump, and the metering pump controls the total amount of the liquid to be filled in the container to be filled in each working period; the metering pump injects liquid into the filling nozzle through a filling pipeline and a filling joint in sequence;
step 3, the air cylinder pushes the air cylinder push block to descend, so that the filling joint, the guide rail slide block, the slide rail, the filling support and the filling nozzle are pushed to descend together, the filling support moves along the lifting guide rail in the descending process, and the filling nozzle is inserted into a container to be filled;
step 4, after the filling nozzle is inserted into the container to be filled, filling is started, and the metering pump is controlled to start working and filling is carried out; after filling, the air cylinder resets and pulls the filling joint, the guide rail sliding block, the sliding rail and the filling support to ascend together and return to the initial position;
step 5, after the filling nozzle is reset, the conveyor belt continues to work, the finished products which are filled are conveyed, the filled containers pass through the image acquisition chamber one by one, at the moment, the linear array light source and the linear array CCD are in a working state, gray image information of the filled finished products is acquired and is transmitted to an industrial computer through an Ethernet interface by a data transmission line, and liquid level detection of the transparent liquid is carried out;
step 6, inputting the number k of finished products in a gray image acquired by the linear array CCD, segmenting the gray image in the horizontal direction, recording the size of the gray image as mxn, segmenting the gray image into k sub-images along the horizontal direction, wherein each sub-image is called a filling product independent image, and the size of each independent image is m/kxn;
carrying out median filtering on the independent image to remove background noise to obtain a filtered image, and carrying out binarization processing on the filtered image to obtain a binarized image; processing the binary image by utilizing an opening operation to obtain an enhanced image;
step 7, calculating the number of pixel points of a vertical line between a liquid level line and the bottom of the filling container in the enhanced image, firstly calculating the number of pixel points of the enhanced image of the qualified product and recording as N0(ii) a Then recording the number of pixel points of the enhanced image of the product to be detected as N, if the relationship shown in the following formula (1) is met, judging that the liquid level detection of the product is qualified, and displaying the result on a computer;
N∈(N0-5％,N0+5％) (1)；
in the step 7, the capacity corresponding to each pixel can be calculated according to the relation between the number of pixels of the standard image of the filled product and the capacity of the filling container, so that the quantitative detection of the filled product is realized, and if the capacity of the qualified product is L, the number of image pixels is N0Therefore, the capacity l corresponding to each pixel can be calculated according to the following formula (2):
l＝L/N0 (2)；
and calculating the capacity X of the enhanced image of the product to be detected according to the following formula (3) to finish the quantitative detection of the product to be detected:
X＝l×N (3)。
2. the use method of the filling device with the transparent liquid level detection function according to claim 1, wherein the method comprises the following steps: the filling device with the transparent liquid level detection function comprises a rack, wherein a conveyor belt is arranged on the rack along the horizontal direction, a filling mechanism is arranged above the conveyor belt, and a liquid level detection mechanism is arranged at the end part of the conveyor belt in the running direction;
the frame is provided with a shell, and the shell is positioned above the conveyor belt and used for protecting the filling mechanism;
the filling mechanism comprises a main feeding pipe, a plurality of material separating pipes are arranged below the main feeding pipe, a material separating valve is arranged on each material separating pipe, the upper end of each material separating pipe is communicated with the main feeding pipe, the lower end of each material separating pipe is connected with the upper end of a filling pipeline, the lower end of the filling pipeline is connected with a filling joint, a filling nozzle is connected onto the filling joint, and the nozzle head of the filling nozzle is arranged downwards;
a metering pump is arranged at the joint of the material dividing pipe and the filling pipeline;
the two ends of one side of the conveying belt are respectively provided with a lifting guide rail along the vertical direction, the lifting guide rails are provided with filling supports in a matching manner, the filling supports can move up and down along the lifting guide rails, a slide rail is arranged between the two filling supports along the horizontal direction, the slide rail is provided with a plurality of guide rail sliding blocks, the number of the guide rail sliding blocks is the same as that of the filling joints, and each guide rail sliding block is correspondingly connected with one filling joint;
the sliding rail is provided with an air cylinder pushing block, the air cylinder pushing block is connected to a piston rod of an air cylinder, and the air cylinder drives the sliding rail to move up and down through the air cylinder pushing block, so that the filling support moves up and down along the lifting guide rail;
the cylinder is mounted on the housing through a cylinder mounting block.
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| CN111960355A (en) * | 2020-08-26 | 2020-11-20 | 深圳昭银科技有限公司 | Bottled disinfectant packaging equipment |
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| CN110104272B (en) * | 2019-06-18 | 2021-03-30 | 中山市富日印刷材料有限公司 | A filling mechanism for on printing ink tank packaging production line |
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