CN116787737B - Extrusion and blowing quality detection system of hollow forming machine - Google Patents
Extrusion and blowing quality detection system of hollow forming machine Download PDFInfo
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- CN116787737B CN116787737B CN202310824765.6A CN202310824765A CN116787737B CN 116787737 B CN116787737 B CN 116787737B CN 202310824765 A CN202310824765 A CN 202310824765A CN 116787737 B CN116787737 B CN 116787737B
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- 238000001125 extrusion Methods 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000007664 blowing Methods 0.000 title claims abstract description 23
- 239000004033 plastic Substances 0.000 claims abstract description 182
- 229920003023 plastic Polymers 0.000 claims abstract description 182
- 238000003384 imaging method Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims description 50
- 230000005540 biological transmission Effects 0.000 claims description 46
- 238000007493 shaping process Methods 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 238000000071 blow moulding Methods 0.000 claims description 8
- 210000001161 mammalian embryo Anatomy 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 2
- 230000000007 visual effect Effects 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 description 22
- 238000000034 method Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/78—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/78—Measuring, controlling or regulating
- B29C2049/788—Controller type or interface
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention relates to a extrusion-blowing quality detection system of a hollow forming machine, which comprises the following components: the rotary acquisition device is used for performing rotary acquisition operation on the single shaped plastic product to obtain each acquisition picture corresponding to each acquisition station; and the splicing detection device is used for carrying out splicing treatment on each acquired picture to obtain a content spliced picture, identifying each plastic forming pixel point in the content spliced picture based on the color imaging characteristic of the shaped plastic product, and determining the surface extrusion and blowing quality of the single shaped plastic product based on the standard deviation of each gray value corresponding to each plastic forming pixel point. The extrusion-blowing quality detection system of the hollow forming machine is compact in design and intelligent in operation. The specific visual acquisition mechanism and the visual analysis mechanism can be adopted to judge the surface glossiness deviation of the single shaped plastic product based on the standard deviation of the gray value of the pixel level, so that the piece-by-piece quality detection of the shaped plastic product formed by extrusion blowing is completed.
Description
Technical Field
The invention relates to the field of hollow forming machines, in particular to an extrusion and blowing quality detection system of a hollow forming machine.
Background
Generally, a hollow molding machine is a plastic processing machine that uses different plastics as production raw materials to produce and process different plastic hollow products. The concrete working principle of the hollow molding machine in the process of executing the manufacturing of the plastic central control product is as follows: the method comprises the steps of heating granular plastic raw materials to melt into a plastic parison in a molten state, enabling the plastic parison to enter a mold with a certain shape through different raw material output modes, closing the mold after the parison is output, and simultaneously, introducing compressed air into the parison from different positions of the mold by an air blowing system of plastic hollow molding equipment to blow the parison to enable the parison to be tightly attached to the inner wall of the mold, so that a certain shape is formed preliminarily, and cooling for a period of time to finish the processing process of the whole plastic product.
However, due to the complexity of the structure of the blow molding machine and the manufacturing process, the parameter instability of the plastic raw material causes random variation in the quality of the molded plastic product, which is mainly represented by the difference in surface gloss of each plastic product, for example, the difference in surface gloss of one area of the plastic product and the surrounding area is too large, and the difference in surface gloss of different areas in the same area where the plastic product is disposed is also different. Currently, the lack of a piece-by-piece and high-precision quality detection mechanism for plastic products obtained by molding of a hollow molding machine leads to difficult effective division of defective products and high-quality products, thus easily causing poor products to flow into the market and seriously affecting the reputation and reputation of manufacturers.
Disclosure of Invention
In order to solve the technical problems in the related art, the invention provides a extrusion-blowing quality detection system of a hollow molding machine, which can judge the surface glossiness deviation of each extrusion-blown shaped plastic product by adopting a targeted visual acquisition mechanism and a visual analysis mechanism according to the standard deviation of gray values of pixel levels aiming at the hollow molding machine with a customized hardware structure, so as to finish the quality detection of each extrusion-blown shaped plastic product, thereby improving the resolution of the quality of the finished product of the hollow molding machine and avoiding poor products from flowing into the market.
According to the present invention, there is provided a blow-extrusion quality detection system for a hollow molding machine, the system comprising:
the parison processing mechanism is used for receiving the granular plastic material and carrying out heating and melting treatment on the granular plastic material so as to obtain a plastic parison in a molten state;
the extrusion conveying mechanism is arranged at the rear end of the parison processing mechanism and connected with the parison processing mechanism, and is used for extruding and conveying the molten plastic parison into a shaping die;
the inflation operating mechanism is arranged at the rear end of the extrusion conveying mechanism and connected with the extrusion conveying mechanism, and is used for introducing compressed gas into the molten plastic parison in the shaping die and inflating the molten plastic parison to enable the molten plastic parison to be attached to the inner wall of the shaping die;
the cooling transmission mechanism is arranged at the rear end of the inflation operation mechanism and connected with the inflation operation mechanism, and is used for cooling the plastic embryo attached to the inner wall of the shaping die to obtain a single-piece shaped plastic product and transmitting the single-piece shaped plastic product into the product storage container;
the rotary collecting device is connected with the cooling transmission mechanism and is used for carrying out rotary collecting operation on the single shaped plastic product before the cooling transmission mechanism finishes the transmission of the single shaped plastic product so as to obtain collecting pictures corresponding to collecting stations respectively, and the collecting stations are uniformly arranged on a circle taking the centroid of the three-dimensional shape of the single shaped plastic product as the center of a circle;
the splicing detection device is connected with the rotary acquisition device and is used for carrying out splicing treatment on each received acquisition picture to obtain a content splicing picture, identifying each plastic forming pixel point in the content splicing picture based on the color imaging characteristic of the shaped plastic product, and determining the surface extrusion and blowing quality of the single shaped plastic product based on the standard deviation of each gray value corresponding to each plastic forming pixel point;
wherein, discern each plastics in the content concatenation picture and constitute the pixel point based on the colour imaging characteristic of shaping plastic products, and confirm the surface extrusion blow quality of single piece shaping plastic products based on each standard deviation of grey scale value that each plastics constitutes the pixel point and corresponds respectively includes: the larger the standard deviation of each gray value corresponding to each plastic forming pixel point is, the worse the surface extrusion blowing quality of the determined single piece of shaping plastic product is;
the larger the standard deviation of each gray value corresponding to each plastic forming pixel point is, the worse the determined surface extrusion blowing quality of the single piece of shaping plastic product comprises: the determined surface extrusion blow quality of the single piece shaped plastic article is represented by a quality grade.
Therefore, the invention has at least the following three outstanding technical effects:
first place: performing rotary acquisition operation on each piece of shaping plastic products subjected to extrusion blow molding by a hollow molding machine with a customized hardware structure to obtain each acquisition picture corresponding to each acquisition station, wherein each acquisition station is uniformly arranged on a circle taking the centroid of the three-dimensional shape of the single piece of shaping plastic products as the center of the circle, and performing splicing processing on each received acquisition picture to obtain a content splicing picture, so that reliable basic data is provided for the subsequent extrusion blow quality detection of the hollow molding machine;
second place: identifying each plastic forming pixel point in the content spliced picture based on the color imaging characteristic of the shaped plastic product, and determining the surface extrusion quality of the single shaped plastic product based on the standard deviation of each gray value corresponding to each plastic forming pixel point, wherein the larger the standard deviation of each gray value corresponding to each plastic forming pixel point is, the worse the determined surface extrusion quality of the single shaped plastic product is, so that the targeted detection of the extrusion quality of the central forming machine is completed;
third place: the counting statistical device is used for counting the single shaped plastic products transmitted by the cooling transmission mechanism, the cooling transmission mechanism performs accumulation of the total product count once every time the single shaped plastic products are transmitted into the product storage container, and when the accumulated total product count is greater than the upper limit threshold of the storage number of the product storage container, a quantity overflow instruction is sent out, so that the reliability and the automation level of the hollow molding machine are improved.
The extrusion-blowing quality detection system of the hollow forming machine is compact in design and intelligent in operation. The specific visual acquisition mechanism and the visual analysis mechanism can be adopted to judge the surface glossiness deviation of the single shaped plastic product based on the standard deviation of the gray value of the pixel level, so that the piece-by-piece quality detection of the shaped plastic product formed by extrusion blowing is completed.
Drawings
Embodiments of the present invention will be described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic view showing an internal structure of an extrusion blow quality detecting system of a hollow molding machine according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram showing an internal structure of an extrusion blow quality detecting system of a hollow molding machine according to a second embodiment of the present invention.
Fig. 3 is a schematic view showing an internal structure of an extrusion blow quality detecting system of a hollow molding machine according to a third embodiment of the present invention.
Detailed Description
Embodiments of the extrusion blow quality detection system for a blow molding machine according to the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic view showing an internal structure of an extrusion blow quality detecting system of a hollow molding machine according to a first embodiment of the present invention, the system including:
the parison processing mechanism is used for receiving the granular plastic material and carrying out heating and melting treatment on the granular plastic material so as to obtain a plastic parison in a molten state;
illustratively, the particulate plastic material received is a plurality of plastic materials of the same size and shape, e.g., may all be of circular configuration;
the extrusion conveying mechanism is arranged at the rear end of the parison processing mechanism and connected with the parison processing mechanism, and is used for extruding and conveying the molten plastic parison into a shaping die;
the inflation operating mechanism is arranged at the rear end of the extrusion conveying mechanism and connected with the extrusion conveying mechanism, and is used for introducing compressed gas into the molten plastic parison in the shaping die and inflating the molten plastic parison to enable the molten plastic parison to be attached to the inner wall of the shaping die;
for example, the inflation operating mechanism is internally provided with an air pressure detector for detecting the real-time air pressure of compressed air which is introduced into the plastic embryo in a molten state in the shaping mold;
the cooling transmission mechanism is arranged at the rear end of the inflation operation mechanism and connected with the inflation operation mechanism, and is used for cooling the plastic embryo attached to the inner wall of the shaping die to obtain a single-piece shaped plastic product and transmitting the single-piece shaped plastic product into the product storage container;
the rotary collecting device is connected with the cooling transmission mechanism and is used for carrying out rotary collecting operation on the single shaped plastic product before the cooling transmission mechanism finishes the transmission of the single shaped plastic product so as to obtain collecting pictures corresponding to collecting stations respectively, and the collecting stations are uniformly arranged on a circle taking the centroid of the three-dimensional shape of the single shaped plastic product as the center of a circle;
illustratively, the rotation acquisition device comprises an image sensor, which is a CMOS sensor or a CCD sensor;
the splicing detection device is connected with the rotary acquisition device and is used for carrying out splicing treatment on each received acquisition picture to obtain a content splicing picture, identifying each plastic forming pixel point in the content splicing picture based on the color imaging characteristic of the shaped plastic product, and determining the surface extrusion and blowing quality of the single shaped plastic product based on the standard deviation of each gray value corresponding to each plastic forming pixel point;
wherein, discern each plastics in the content concatenation picture and constitute the pixel point based on the colour imaging characteristic of shaping plastic products, and confirm the surface extrusion blow quality of single piece shaping plastic products based on each standard deviation of grey scale value that each plastics constitutes the pixel point and corresponds respectively includes: the larger the standard deviation of each gray value corresponding to each plastic forming pixel point is, the worse the surface extrusion blowing quality of the determined single piece of shaping plastic product is;
the larger the standard deviation of each gray value corresponding to each plastic forming pixel point is, the worse the determined surface extrusion blowing quality of the single piece of shaping plastic product comprises: the determined surface extrusion blow quality of the single piece shaped plastic article is represented by a quality grade.
Fig. 2 is a schematic diagram showing an internal structure of an extrusion blow quality detecting system of a hollow molding machine according to a second embodiment of the present invention.
Unlike FIG. 1, the blow-by extrusion quality detection system of the blow-molding machine of FIG. 2 may further include the following components:
the counting statistical device is connected with the cooling transmission mechanism and is used for counting the single shaped plastic products transmitted by the cooling transmission mechanism;
illustratively, the counting statistics device comprises a quartz oscillation unit for generating a rectangular wave to provide a trigger signal for the counting process of the counting statistics device;
wherein, carry out the count processing to the single piece shaping plastic products that cooling conveying mechanism transmitted and include: the cooling and conveying mechanism performs accumulation of counting total amount of the products once when conveying single shaped plastic products into the product accommodating container;
wherein, carry out the count processing to the single piece shaping plastic products that cooling conveying mechanism transmitted still includes: and when the total product count is greater than the upper limit threshold of the number of the product containers, sending out a quantity overflow instruction.
Fig. 3 is a schematic view showing an internal structure of an extrusion blow quality detecting system of a hollow molding machine according to a third embodiment of the present invention.
Unlike FIG. 1, the blow-by extrusion quality detection system of the blow-by molding machine of FIG. 3 may further include the following components:
and the characteristic storage chip is connected with the splicing detection device and is used for storing the color imaging characteristics of the shaped plastic product in advance.
Next, a specific structure of the extrusion blow quality detection system for a blow molding machine according to the present invention will be further described.
In the extrusion blow quality detection system of the hollow molding machine according to various embodiments of the present invention:
identifying each plastic forming pixel point in the content spliced picture based on the color imaging characteristic of the shaped plastic product, and determining the surface extrusion blowing quality of the single shaped plastic product based on the standard deviation of each gray value corresponding to each plastic forming pixel point comprises the following steps: the color imaging characteristics of the shaped plastic product are R color component value interval, G color component value interval and B color component value interval of the shaped plastic product in RGB color space;
wherein, discern each plastics in the content concatenation picture and constitute the pixel point based on the colour imaging characteristic of shaping plastic products, and confirm the surface extrusion blow quality of single piece shaping plastic products based on each standard deviation of grey scale value that each plastics constitutes the pixel point and corresponds respectively still includes: when the R color component value of a single pixel point in the content spliced picture is in an R color component value interval, the G color component value is in a G color component value interval and the B color component value is in a B color component value interval, determining that the single pixel point is a single plastic formed pixel point;
wherein, discern each plastics in the content concatenation picture and constitute the pixel point based on the colour imaging characteristic of shaping plastic products, and confirm the surface extrusion blow quality of single piece shaping plastic products based on each standard deviation of grey scale value that each plastics constitutes the pixel point and corresponds respectively still includes: when the R color component value of a single pixel point in the content spliced picture is outside the R color component value interval, determining that the single pixel point is a single non-plastic forming pixel point;
wherein, discern each plastics in the content concatenation picture and constitute the pixel point based on the colour imaging characteristic of shaping plastic products, and confirm the surface extrusion blow quality of single piece shaping plastic products based on each standard deviation of grey scale value that each plastics constitutes the pixel point and corresponds respectively still includes: when the G color component value of a single pixel point in the content spliced picture is outside the G color component value interval, determining that the single pixel point is a single non-plastic forming pixel point;
wherein, discern each plastics in the content concatenation picture and constitute the pixel point based on the colour imaging characteristic of shaping plastic products, and confirm the surface extrusion blow quality of single piece shaping plastic products based on each standard deviation of grey scale value that each plastics constitutes the pixel point and corresponds respectively still includes: and when the B color component value of the single pixel point in the content spliced picture is outside the B color component value interval, determining that the single pixel point is a single non-plastic formed pixel point.
And in the blow-extrusion quality detection system of the hollow molding machine according to various embodiments of the present invention:
the cooling transmission mechanism comprises a cooling operation unit, a transmission operation unit and a synchronous driving unit, wherein the synchronous driving unit is respectively connected with the cooling operation unit and the transmission operation unit;
the cooling transmission mechanism comprises a cooling operation unit, a transmission operation unit and a synchronous driving unit, wherein the synchronous driving unit is respectively connected with the cooling operation unit and the transmission operation unit and comprises: the synchronous driving unit sends a transmission trigger instruction to the transmission operation unit after the cooling operation unit finishes the cooling operation of the plastic embryo attached to the inner wall of the shaping mold in one cooling period;
the cooling transmission mechanism comprises a cooling operation unit, a transmission operation unit and a synchronous driving unit, wherein the synchronous driving unit is respectively connected with the cooling operation unit and the transmission operation unit and further comprises: the transmission operation unit transmits the cooled single-piece shaped plastic product into the product storage container after receiving a transmission trigger instruction;
wherein receiving the granular plastic material and performing a heat-melting treatment on the granular plastic material to obtain a plastic parison in a molten state comprises: the number of particles of the received plastic material is greater than or equal to a set number threshold.
In addition, in the extrusion-blowing quality detection system of the hollow molding machine, before the cooling transmission mechanism finishes the transmission of the single shaped plastic product, the single shaped plastic product is subjected to rotary acquisition operation to obtain each acquisition picture corresponding to each acquisition station, and each acquisition station is uniformly arranged on a circle taking the centroid of the three-dimensional shape of the single shaped plastic product as the center of the circle, and the detection system comprises: the radius of a round body taking the centroid of the three-dimensional shape of the single-piece shaped plastic product as the center of a circle is larger than or equal to a set radius threshold.
The foregoing description of the exemplary embodiments of the invention has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations will be apparent to practitioners skilled in the art. The exemplary embodiments were chosen and described in order to best explain the principles of the invention and its practical application, thereby enabling others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the following claims and their equivalents.
Claims (4)
1. A blow-extrusion quality detection system for a blow-molding machine, the system comprising:
the parison processing mechanism is used for receiving the granular plastic material and carrying out heating and melting treatment on the granular plastic material so as to obtain a plastic parison in a molten state;
the extrusion conveying mechanism is arranged at the rear end of the parison processing mechanism and connected with the parison processing mechanism, and is used for extruding and conveying the molten plastic parison into a shaping die;
the inflation operating mechanism is arranged at the rear end of the extrusion conveying mechanism and connected with the extrusion conveying mechanism, and is used for introducing compressed gas into the molten plastic parison in the shaping die and inflating the molten plastic parison to enable the molten plastic parison to be attached to the inner wall of the shaping die;
the cooling transmission mechanism is arranged at the rear end of the inflation operation mechanism and connected with the inflation operation mechanism, and is used for cooling the plastic embryo attached to the inner wall of the shaping die to obtain a single-piece shaped plastic product and transmitting the single-piece shaped plastic product into the product storage container;
the rotary collecting device is connected with the cooling transmission mechanism and is used for carrying out rotary collecting operation on the single shaped plastic product before the cooling transmission mechanism finishes the transmission of the single shaped plastic product so as to obtain collecting pictures corresponding to collecting stations respectively, and the collecting stations are uniformly arranged on a circle taking the centroid of the three-dimensional shape of the single shaped plastic product as the center of a circle;
the splicing detection device is connected with the rotary acquisition device and is used for carrying out splicing treatment on each received acquisition picture to obtain a content splicing picture, identifying each plastic forming pixel point in the content splicing picture based on the color imaging characteristic of the shaped plastic product, and determining the surface extrusion and blowing quality of the single shaped plastic product based on the standard deviation of each gray value corresponding to each plastic forming pixel point;
wherein, discern each plastics in the content concatenation picture and constitute the pixel point based on the colour imaging characteristic of shaping plastic products, and confirm the surface extrusion blow quality of single piece shaping plastic products based on each standard deviation of grey scale value that each plastics constitutes the pixel point and corresponds respectively includes: the larger the standard deviation of each gray value corresponding to each plastic forming pixel point is, the worse the surface extrusion blowing quality of the determined single piece of shaping plastic product is;
the larger the standard deviation of each gray value corresponding to each plastic forming pixel point is, the worse the determined surface extrusion blowing quality of the single piece of shaping plastic product comprises: the quality grade is adopted to represent the determined surface extrusion blowing quality of the single piece of shaping plastic product;
wherein, discern each plastics in the content concatenation picture and constitute the pixel point based on the colour imaging characteristic of shaping plastic products, and confirm the surface extrusion blow quality of single piece shaping plastic products based on each standard deviation of grey scale value that each plastics constitutes the pixel point and corresponds respectively still includes: the color imaging characteristics of the shaped plastic product are R color component value interval, G color component value interval and B color component value interval of the shaped plastic product in RGB color space;
when the R color component value of a single pixel point in the content spliced picture is in an R color component value interval, the G color component value is in a G color component value interval and the B color component value is in a B color component value interval, determining that the single pixel point is a single plastic formed pixel point;
when the R color component value of a single pixel point in the content spliced picture is outside the R color component value interval, determining that the single pixel point is a single non-plastic formed pixel point;
wherein, discern each plastics in the content concatenation picture and constitute the pixel point based on the colour imaging characteristic of shaping plastic products, and confirm the surface extrusion blow quality of single piece shaping plastic products based on each standard deviation of grey scale value that each plastics constitutes the pixel point and corresponds respectively still includes: when the G color component value of a single pixel point in the content spliced picture is out of the G color component value interval, determining that the single pixel point is a single non-plastic forming pixel point, and when the B color component value of the single pixel point in the content spliced picture is out of the B color component value interval, determining that the single pixel point is a single non-plastic forming pixel point.
2. The blow-by extrusion quality inspection system of a blow-molding machine of claim 1, further comprising:
the counting statistical device is connected with the cooling transmission mechanism and is used for counting the single shaped plastic products transmitted by the cooling transmission mechanism;
wherein, carry out the count processing to the single piece shaping plastic products that cooling conveying mechanism transmitted and include: the cooling and conveying mechanism performs accumulation of counting total amount of the products once when conveying single shaped plastic products into the product accommodating container;
wherein, carry out the count processing to the single piece shaping plastic products that cooling conveying mechanism transmitted still includes: and when the total product count is greater than the upper limit threshold of the number of the product containers, sending out a quantity overflow instruction.
3. The blow-by extrusion quality inspection system of a blow-molding machine of claim 1, further comprising:
and the characteristic storage chip is connected with the splicing detection device and is used for storing the color imaging characteristics of the shaped plastic product in advance.
4. A blow-extrusion quality detection system for a blow-molding machine as recited in any one of claims 1-3, wherein:
the cooling transmission mechanism comprises a cooling operation unit, a transmission operation unit and a synchronous driving unit, wherein the synchronous driving unit is respectively connected with the cooling operation unit and the transmission operation unit;
the cooling transmission mechanism comprises a cooling operation unit, a transmission operation unit and a synchronous driving unit, wherein the synchronous driving unit is respectively connected with the cooling operation unit and the transmission operation unit and comprises: the synchronous driving unit sends a transmission trigger instruction to the transmission operation unit after the cooling operation unit finishes the cooling operation of the plastic embryo attached to the inner wall of the shaping mold in one cooling period;
the cooling transmission mechanism comprises a cooling operation unit, a transmission operation unit and a synchronous driving unit, wherein the synchronous driving unit is respectively connected with the cooling operation unit and the transmission operation unit and further comprises: the transmission operation unit transmits the cooled single-piece shaped plastic product into the product storage container after receiving a transmission trigger instruction;
wherein receiving the granular plastic material and performing a heat-melting treatment on the granular plastic material to obtain a plastic parison in a molten state comprises: the number of particles of the received plastic material is greater than or equal to a set number threshold.
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| JP5000021B1 (en) * | 2011-08-12 | 2012-08-15 | 株式会社 資生堂 | Injection stretch blow bottle |
| CN111681289A (en) * | 2020-06-10 | 2020-09-18 | 青岛理工大学 | Fair-faced concrete color difference analysis/detection method and system |
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