CN116175939A - Bottle blowing machine control system and bottle blowing machine control method - Google Patents

Bottle blowing machine control system and bottle blowing machine control method Download PDF

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Publication number
CN116175939A
CN116175939A CN202310449741.7A CN202310449741A CN116175939A CN 116175939 A CN116175939 A CN 116175939A CN 202310449741 A CN202310449741 A CN 202310449741A CN 116175939 A CN116175939 A CN 116175939A
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bottle
control unit
central control
bottle body
preset
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CN116175939B (en
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黄秋峰
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Zhangjiagang Newmai Machinery Co ltd
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Zhangjiagang Newmai Machinery Co ltd
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    • 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
    • B29C49/80—Testing, e.g. for leaks
    • 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
    • B29C49/28—Blow-moulding apparatus
    • 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
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2022/00—Hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

The invention relates to the technical field of safety control, in particular to a bottle blowing machine control system and a bottle blowing machine control method, wherein the system comprises the following components: the heating unit is used for carrying out preheating treatment on the bottle blanks and comprises a heating bin, a heating table arranged in the heating bin for loading the bottle blanks and a heating lamp set arranged in the heating bin for heating the bottle blanks; the blow molding unit is arranged at the output end of the first conveyor belt and used for preparing bottle bodies, and comprises a mold and a blow molding machine arranged above the mold; and the checking and accepting unit is connected with the blow molding unit through a second conveyor belt and used for loading the blow molded bottle body, and the central control unit is used for judging whether the distance between the heating lamp group and the heating table is adjusted to a corresponding value in the process of preparing the next bottle body according to the average height and the average thickness of the die line of the bottle body. The system can effectively avoid the phenomenon of low yield of the manufactured bottle body caused by the fact that the mold closing line is not in accordance with the standard.

Description

Bottle blowing machine control system and bottle blowing machine control method
Technical Field
The invention relates to the technical field of safety control, in particular to a bottle blowing machine control system and a bottle blowing machine control method.
Background
A bottle blowing machine is an apparatus for producing plastic pellets into hollow containers by a blow molding process, and currently more common types include a one-shot hollow extrusion blowing machine using PP and PE, a stretch-blow blowing machine using PET, PC or PP for two-shot molding, and a newly developed multi-layered hollow extrusion blowing and stretch blowing.
The bottle blowing machine control system is a production cycle process which monitors various bottle wall data, and when the bottle blowing machine control system works, the data deviating from the rated value of the system can be immediately recognized and automatically controlled and automatically adjusted.
Chinese patent publication No.: CN114734614a discloses a bottle blowing machine control system and a bottle blowing machine, the bottle blowing machine control system includes a master station and an I/O module disposed on each die carrier as a slave station, a control device on each die carrier is connected with the I/O module, the I/O modules on each die carrier are connected with the master station after being sequentially connected, and the master station is used for communicating with the control device on the die carrier through the I/O module on each die carrier, so as to control the control device to execute bottle blowing action.
In the prior art, the bottle blowing die can not achieve the effect of complete locking, so that the mold closing line of the manufactured bottle body is low in yield due to the fact that the mold closing line of the manufactured bottle body is not in line with the requirements.
Disclosure of Invention
Therefore, the invention provides a bottle blowing machine control system and a bottle blowing machine control method, which are used for solving the problem that the yield is low due to the fact that the die line does not meet the standard because the bottle blowing die cannot be completely locked in the prior art.
In one aspect, the present invention provides a bottle blowing machine control system comprising:
the heating unit is used for carrying out preheating treatment on the bottle blanks and comprises a heating bin, a heating table arranged in the heating bin for loading the bottle blanks and a heating lamp set arranged in the heating bin for heating the bottle blanks; the heating lamp group is connected with the heating bin through a telescopic mechanism and is used for heating bottle blanks at corresponding heights; the heating unit is also provided with a first conveyor belt which is used for outputting heated bottle blanks;
the blow molding unit is arranged at the output end of the first conveyor belt and used for preparing bottle bodies, and comprises a mold and a blow molding machine arranged above the mold; the edge of the die is provided with a locking mechanism for completely closing the die, and the locking mechanism is provided with a pressure detector for detecting the die closing pressure of the die;
the checking and accepting unit is connected with the blow molding unit through a second conveyor belt and is used for loading the blow molded bottle body, and a visual detector used for detecting the wall thickness of the bottle body, the average height of a mold closing line and the average thickness and an intensity detector used for detecting the intensity of the bottle body are arranged in the checking and accepting unit;
The central control unit is respectively connected with the telescopic mechanism, the pressure detector, the visual detector and the strength detector, and is used for judging whether the prepared bottle meets the preset standard according to the average height and the average thickness of the die-closing line of the bottle, judging whether the distance between the heating lamp set and the heating table is adjusted to a corresponding value in the process of preparing the next bottle when the bottle is judged to be not met with the preset standard, or adjusting the die-closing pressure of the die to the corresponding value, judging whether the strength of the bottle meets the preset standard according to the average wall thickness of the prepared bottle, and judging whether the adding amount of raw materials in the bottle blank is adjusted to the corresponding value in the process of preparing the next bottle when the strength of the bottle is judged to be not met with the preset standard.
In another aspect, the present invention provides a bottle blowing machine control method, including: the central control unit detects the average height H and the average thickness D of the mold closing line of the bottle body manufactured in a single period according to the visual detector, compares the average height H with the preset standard average height H0 arranged in the central control unit, compares the average thickness D with the preset standard average thickness D0 arranged in the central control unit to judge whether the manufactured bottle body meets the preset standard, processes corresponding parameters in the process of manufacturing the next bottle body according to a first processing mode, a second processing mode and a third processing mode,
The first processing mode is that the central control unit obtains the size score S of the parting line of the bottle body according to H and D, further judges whether the prepared bottle body accords with a preset standard according to S, and sets
Figure SMS_1
Wherein a isThe first weight coefficient, b is the second weight coefficient;
the second processing mode is that the central control unit calculates a difference delta H between H0 and H, judges whether to adjust the distance between the heating lamp group and the heating table according to the delta H, and sets delta H=H20-H;
the third processing mode is that the central control unit calculates a difference DeltaD between D0 and D, judges whether to adjust the die closing pressure of the die according to DeltaD, and sets DeltaD=D0-D;
the first treatment mode meets H0 or more and D0 or more, the second treatment mode meets H0 or less and the third treatment mode meets D0 or less.
Further, the central control unit obtains a size score S for the prepared mold closing line according to the average height H and the average thickness D of the mold closing line of the prepared bottle body in the first processing mode, judges whether the prepared bottle body meets a preset standard according to the S, and detects corresponding parameters in the prepared bottle body according to a first detection mode, a second detection mode and a third detection mode,
The first detection mode is that the central control unit controls the visual detector to detect the average wall thickness of the bottle body so as to judge whether the adding amount of raw materials in the bottle embryo is regulated in the process of preparing the next bottle body;
the second detection mode is that the central control unit controls the intensity detector to detect the intensity of the bottle body so as to further judge whether the bottle body meets the standard;
the third detection mode is that the central control unit detects the difference value between a first preset size score S1 arranged in the central control unit and the size score S of the bottle body and adjusts the addition amount of raw materials in the bottle embryo to a corresponding value according to the difference value in the process of preparing the next bottle body;
the first detection mode meets the condition that the size score S of the mold closing line is larger than a second preset size score S2 arranged in the central control unit, the second detection mode meets the condition that the size score S of the mold closing line is smaller than or equal to the second preset size score S2 and larger than a first preset size score S1 arranged in the central control unit, and the third detection mode meets the condition that the size score S of the mold closing line is smaller than or equal to the first preset size score S1.
Further, the central control unit controls the visual detector to detect the average wall thickness C of the prepared bottle body in the first detection mode, and determines the adjustment mode of the adding amount of the raw material in the bottle embryo in the process of preparing the next bottle body according to the difference value between the average wall thickness C and the preset standard average wall thickness C0 arranged in the central control unit,
The first adjusting mode is that the central control unit judges that the wall thickness of the bottle body meets the standard and sets the adding amount of the raw materials in the bottle embryo as the initial adding amount of the raw materials in the bottle embryo;
the second adjusting mode is that the central control unit increases the adding amount of the raw materials in the bottle embryo to a first adding value according to the second bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the third adjusting mode is that the central control unit increases the adding amount of the raw materials in the bottle embryo to a second adding value according to the first bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the first adjusting mode meets the condition that the difference DeltaCa between the average wall thickness C and C0 of the bottle body is smaller than or equal to a first preset average wall thickness difference DeltaC 1 arranged in the central control unit, the second adjusting mode meets the condition that the difference DeltaCa between the average wall thickness C and C0 of the bottle body is larger than the first preset average wall thickness difference DeltaC 1 and smaller than or equal to a second preset average wall thickness difference DeltaC 2 arranged in the central control unit, and the third adjusting mode meets the condition that the difference DeltaCa between the average wall thickness C and C0 of the bottle body is larger than the second preset average wall thickness difference DeltaC 2.
Further, the central control unit compares the addition quantity Q' of the raw materials in the adjusted bottle embryo with the initial addition quantity Q of the bottle embryo, and determines an adjusting mode for the distance L between the heating lamp group and the heating table according to the comparison result in the process of preparing the next bottle body, wherein,
The first distance adjusting mode is that the central control unit reduces the initial distance L between the heating lamp group and the heating table to a first adjusting value according to a first distance adjusting coefficient;
the second distance adjusting mode is that the central control unit increases to a second adjusting value according to a second distance adjusting coefficient and an initial distance L between the heating lamp group and the heating table;
the first distance adjusting mode meets the requirement that the adding amount Q 'of raw materials in the bottle embryo is larger than 1.5 times of the initial adding amount Q of the bottle embryo, and the second distance adjusting mode meets the requirement that the adding amount Q' of the raw materials in the bottle embryo is smaller than 0.7 times of the initial adding amount Q of the bottle embryo.
Further, the central control unit controls the intensity detector to detect the intensity of the bottle body in the second detection mode, compares the detected intensity G of the bottle body with a preset intensity G0, judges whether the intensity of the bottle body meets the standard, and processes the prepared bottle body according to the first intensity processing mode and the second intensity processing mode in the process of preparing the next bottle body,
the first strength processing mode is that the central control unit judges that the strength of the bottle body meets the standard and judges that the preparation of the bottle body is completed;
The second strength processing mode is that the central control unit judges that the strength of the bottle body does not meet the standard, and the strength of the newly manufactured bottle body meets the standard by increasing the addition amount of raw materials in the bottle embryo in the process of preparing the next bottle body;
the first strength processing mode meets the condition that the strength G of the bottle body is larger than or equal to the preset strength G0, and the second strength processing mode meets the condition that the strength G of the bottle body is smaller than the preset strength G0.
Further, the central control unit calculates the difference delta H between H0 and H in the second processing mode and adjusts the distance between the heating lamp set and the heating table to a corresponding value according to delta H, and calculates the difference delta D between D0 and D and adjusts the die closing pressure of the die to a corresponding value according to delta D in the process of preparing the next bottle body,
the third distance adjusting mode is that the central control unit judges that the average height of the mold closing line of the bottle body meets the standard;
the fourth distance adjusting mode is that the central control unit judges that the average height of the die-bonding line of the bottle body does not meet the standard, and reduces the distance between the heating lamp group and the heating table to a third adjusting value according to a third distance adjusting coefficient and an initial distance L between the heating lamp group and the heating table;
The fifth distance adjusting mode is that the central control unit judges that the average height of the die-bonding line of the bottle body does not meet the standard, and reduces the distance between the heating lamp group and the heating table to a fourth adjusting value according to a fourth distance adjusting coefficient and an initial distance L between the heating lamp group and the heating table;
the first pressure regulation mode is that the central control unit judges that the average thickness of the die line of the bottle body meets the standard;
the second pressure adjusting mode is that the central control unit judges that the average thickness of the die closing line of the bottle body does not meet the standard, and the die closing pressure of the die is increased to a first pressure value according to the first pressure adjusting coefficient and the initial die closing pressure of the die;
the third pressure adjusting mode is that the central control unit judges that the average thickness of the die closing line of the bottle body does not meet the standard, and the die closing pressure of the die is increased to a second pressure value according to the second pressure adjusting coefficient and the initial die closing pressure of the die;
the third distance adjustment mode satisfies a difference delta H1 between the preset standard average height H0 and the average height H of the die assembly line of the bottle body, the fourth distance adjustment mode satisfies a difference delta H2 between the preset standard average height H0 and the average height H of the die assembly line of the bottle body, which is smaller than or equal to a second preset height difference delta H2 set in the central control unit, and is larger than the first preset height difference delta H1, the fifth distance adjustment mode satisfies a difference delta H between the preset standard average height H0 and the average height H of the die assembly line of the bottle body, which is larger than the second preset height difference delta H2, the first pressure adjustment mode satisfies a difference delta D between the average thickness D of the die assembly line of the bottle body, which is smaller than the first preset thickness delta H2 set in the central control unit, and a difference delta D between the average thickness D0, which is larger than the second preset thickness delta D1 set in the central control unit, and the difference delta D between the average thickness D of the die assembly line of the bottle body, which is larger than the second preset thickness delta D0, and the difference delta D between the average thickness D of the die assembly line of the bottle body, which is smaller than the second preset thickness D0 and the average thickness delta D1 set in the central control unit.
Further, the central control unit calculates a difference delta S between the mould closing line size score S of the bottle body and the first preset size score S1 in the third detection mode, and determines an adjustment mode for the addition amount of the raw materials in the bottle embryo according to delta S in the process of preparing the next bottle body,
the sixth adjusting mode is that the central control unit reduces the adding amount of the raw materials in the bottle embryo to a fifth adding value according to the third bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the seventh adjusting mode is that the central control unit reduces the adding amount of the raw materials in the bottle embryo to a sixth adding value according to the adjusting coefficient of the adding amount of the fourth bottle embryo and the initial adding amount of the raw materials in the bottle embryo;
the eighth adjusting mode is that the central control unit reduces the adding amount of the raw materials in the bottle embryo to a seventh adding value according to the fifth bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the sixth adjustment mode satisfies that a difference Δs1 between the first preset size score S1 and the mold closing line size score S of the bottle body is smaller than or equal to a first preset score difference Δs1 set in the central control unit, the seventh adjustment mode satisfies that a difference Δsbetween the first preset size score S1 and the mold closing line size score S of the bottle body is smaller than or equal to a second preset score difference Δs2 set in the central control unit and larger than the first preset score difference Δs1, and the eighth adjustment mode satisfies that a Δs between the first preset size score S1 and the mold closing line size score S of the bottle body is larger than a second preset score difference Δs2.
Further, the central control unit compares the adjusted distance between the heating lamp group and the heating table with a minimum critical value Lmin, and determines whether to adjust the first blow molding pressure or the second blow molding pressure of the blow molding machine to a corresponding value in the process of preparing the next bottle body according to the comparison result,
the first blow molding adjustment mode is that the central control unit adjusts the distance between the heating lamp group and the heating table to Lmin, and increases the first blow molding pressure Pa and the second blow molding pressure Pb of the blow molding machine to corresponding values;
the second blow molding adjusting mode is that the central control unit adjusts the distance between the heating lamp group and the heating table to L';
the first blow molding adjusting mode meets the condition that the distance L 'between the heating lamp group and the heating table is smaller than or equal to Lmin, and the second blow molding adjusting mode meets the condition that the distance L' between the heating lamp group and the heating table is larger than Lmin.
On the other hand, the invention also provides a bottle blowing machine comprising the bottle blowing machine control system.
Compared with the prior art, the system has the beneficial effects that the telescopic mechanism is arranged for adjusting the distance between the heating lamp set and the heating table, so that the phenomenon of low yield caused by the fact that the mold closing line of the manufactured bottle body does not accord with the standard is effectively avoided; meanwhile, the locking mechanism is arranged at the edge of the bottle blowing mould to ensure that the bottle blowing mould can be completely locked, so that the appearance is prevented from being influenced by the existence of a die closing line, and meanwhile, the strength of the prepared bottle body forms a weak point at the position of the die closing line to influence the quality of products, so that the yield of the system is further improved.
Further, the central control unit is preset with the preset standard average height H0 and the preset standard average thickness D0, and the average height and the average thickness of the mold closing line of the finished product prepared in a single period detected by the visual detector are respectively compared with the preset standard average height H0 and the preset standard average thickness D0, so that whether the mold closing line meets the preset standard is judged according to a comparison result, the condition that the appearance part meets the requirement in the bottle manufacturing process is effectively ensured, the condition that the mold closing line is formed into a weak point due to the fact that the mold closing line is too wide or too thick is avoided, the quality of products is influenced, and the yield of the system for the bottle blowing machine is further improved.
Further, the central control unit is provided with a first preset size score S1 and a second preset size score S2, whether the mold closing line meets the standard is judged by comparing the mold closing line size score with each preset score, and when the mold closing line meets the standard, whether the addition amount of raw materials in the bottle embryo is regulated or the strength of the bottle body is detected according to the wall thickness so as to enable the bottle body quality to meet the standard is judged; when the standard is not met, the addition amount of the raw materials in the bottle blank is increased to ensure that the die-bonding line meets the standard, so that the quality of products is effectively ensured, and the yield of the system for the bottle blowing machine is further improved.
Furthermore, the central control unit compares the detected wall thickness C of the visual detector with the preset standard wall thickness C0 arranged in the central control unit, judges whether the wall thickness accords with the standard according to the difference value, adjusts the addition amount of raw materials in the bottle blank by calculating the difference value between the wall thickness and the preset standard wall thickness, and ensures the quality of finished products effectively by adjusting the addition amount of the raw materials in the bottle blank so as to further improve the yield of the system aiming at the bottle blowing machine.
Further, the central control unit compares the addition quantity Q' of the raw materials in the adjusted bottle embryo with the initial addition quantity, judges whether the distance L between the heating lamp group and the heating table is adjusted according to the comparison result, if the addition quantity of the raw materials in the adjusted bottle embryo is larger than 1.5 times of the initial addition quantity, the central control unit reduces the distance between the heating lamp group and the heating table, and if the addition quantity of the raw materials in the adjusted bottle embryo is smaller than 0.7 times of the initial addition quantity, the central control unit effectively ensures that the bottle embryo can receive enough heat and ensure the softness of the bottle embryo by increasing the distance between the heating lamp group and the heating table, so that the qualified finished product is ensured, and the yield of the bottle blowing machine for the system is further improved.
Further, the central control unit compares the detected strength of the bottle body with the preset strength, judges whether the strength of the bottle body meets the standard, and ensures that the strength of a finished product meets the requirement by adjusting the addition amount of raw materials in the bottle blank under the condition that the strength does not meet the standard, so that the condition that the service life of the product is shortened due to the structural strength difference of the product is effectively avoided, and the yield of the system for the bottle blowing machine is further improved.
Further, the central control unit adjusts the distance L between the heating lamp group and the heating table to a corresponding value according to the difference delta H between the average height of the mold closing line and the preset standard average height H0 or adjusts the mold closing pressure between the locking mechanism and the mold to a corresponding value according to the difference delta D between the average thickness of the mold closing line and the preset standard average thickness D0.
Further, the central control unit compares the adjusted distance between the heating lamp set and the heating table with a minimum critical value, judges whether to adjust the first blow molding pressure or the second blow molding pressure of the blow molding machine, adjusts the distance between the heating lamp set and the heating table to Lmin when the distance between the heating lamp set and the heating table is smaller than the minimum critical value, and increases the first blow molding pressure Pa and the second blow molding pressure Pb of the blow molding machine to corresponding values; when the distance between the heating lamp set and the heating table is larger than the minimum critical value, the distance between the heating lamp set and the heating table is adjusted to L', so that the distance between the bottle embryo and the heating lamp set is effectively ensured, the condition that the bottle embryo is too soft and cannot be molded due to too high temperature to influence the subsequent progress is avoided, the deformation of the bottle embryo is completed by adjusting the blow molding pressure of the blow molding machine, and the yield of the bottle blowing machine is further improved.
Drawings
FIG. 1 is a schematic diagram of a control system of a bottle blowing machine according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a heating unit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a checking unit according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1 to 3, which are schematic structural diagrams of a control system of a bottle blowing machine, a heating unit and an inspection unit according to an embodiment of the present invention, the control system of a bottle blowing machine according to the present invention includes:
a heating unit (not shown) for performing a preheating process on the bottle blanks, comprising a heating chamber 11, a heating table 12 disposed in the heating chamber 11 for loading the bottle blanks, and a heating lamp set 13 disposed in the heating chamber 11 for heating the bottle blanks; the heating lamp set 13 is connected with the heating bin 11 through a telescopic mechanism 131 and is used for heating bottle blanks at corresponding heights; the heating unit is also provided with a first conveyor belt 14 for outputting heated bottle blanks;
a blowing unit (not shown) provided at the output end of the first conveyor 14 for preparing bottles, comprising a mold 21 and a blowing machine 22 provided above the mold; the edge of the mold 21 is provided with a locking mechanism 211 for completely closing the mold 21, and a pressure detector (not shown) is arranged on the locking mechanism 211 for detecting the closing pressure of the mold 21;
an acceptance unit 3 connected to the blow molding unit via a second conveyor 31 for loading the blow molded bottles, wherein the acceptance unit is provided with a visual detector 32 for detecting the wall thickness of the bottles and the average height and average thickness of the mold clamping line and an intensity detector 33 for detecting the intensity of the bottles;
And a central control unit connected to the telescopic mechanism 131, the pressure detector, the visual detector 32, and the strength detector 33, respectively, for determining whether the manufactured bottle meets a preset standard according to an average height and an average thickness of a parting line of the bottle, and for determining whether the distance between the heating lamp set 13 and the heating table 12 is adjusted to a corresponding value or the parting pressure of the mold 21 is adjusted to a corresponding value during the manufacture of the next bottle when the manufactured bottle does not meet the preset standard, and for determining whether the strength of the bottle meets the preset standard according to an average wall thickness of the manufactured bottle, and for adjusting the addition amount of the raw material in the bottle embryo to the corresponding value during the manufacture of the next bottle when the strength of the bottle does not meet the preset standard.
Further, the central control unit detects the average height H and the average thickness D of the mold closing line of the bottle body manufactured in a single period according to the visual detector 32, compares the average height H with a preset standard average height H0 set in the central control unit, compares the average thickness D with a preset standard average thickness D0 set in the central control unit to determine whether the manufactured bottle body meets the preset standard, and processes corresponding parameters in the process of manufacturing the next bottle body according to a first processing mode, a second processing mode and a third processing mode,
The first processing mode is that the central control unit obtains the size score S of the parting line of the bottle body according to H and D, further judges whether the prepared bottle body accords with a preset standard according to S, and sets
Figure SMS_2
Wherein a is a first weight coefficient and b is a second weight coefficient;
the second processing mode is that the central control unit calculates a difference value delta H between H0 and H, determines whether to adjust the distance between the heating lamp set 13 and the heating table 12 according to the delta H, and sets delta h=h0-H;
the third processing mode is that the central control unit calculates a difference Δd between D0 and D, determines whether to adjust the mold closing pressure of the mold 21 according to Δd, and sets Δd=d0-D;
the first treatment mode meets H0 or more and D0 or more, the second treatment mode meets H0 or less and the third treatment mode meets D0 or less.
The central control unit is preset with the preset standard average height H0 and the preset standard average thickness D0, and the average height and the average thickness of the mold closing line of the finished product prepared in a single period are respectively compared with the preset standard average height H0 and the preset standard average thickness D0 by the visual detector 32, so that whether the mold closing line meets the preset standard is judged according to a comparison result, the condition that the appearance part meets the requirement in the bottle manufacturing process is effectively ensured, the condition that the mold closing line position forms a weak point due to the fact that the mold closing line is too wide or too thick is avoided, the quality of products is influenced, and the yield of the bottle blowing machine is further improved.
Further, the central control unit obtains a size score S for the prepared mold closing line according to the average height H and the average thickness D of the mold closing line of the prepared bottle body in the first processing mode, judges whether the prepared bottle body meets a preset standard according to the S, and detects corresponding parameters in the prepared bottle body according to a first detection mode, a second detection mode and a third detection mode,
the first detection mode is that the central control unit controls the visual detector 32 to detect the average wall thickness of the bottle body so as to judge whether the adding amount of raw materials in the bottle embryo is regulated in the process of preparing the next bottle body;
the second detection mode is that the central control unit controls the intensity detector 33 to detect the intensity of the bottle body so as to further judge whether the bottle body meets the standard;
the third detection mode is that the central control unit detects the difference value between a first preset size score S1 arranged in the central control unit and the size score S of the bottle body and adjusts the addition amount of raw materials in the bottle embryo to a corresponding value according to the difference value in the process of preparing the next bottle body;
the first detection mode meets the condition that the size score S of the mold closing line is larger than a second preset size score S2 arranged in the central control unit, the second detection mode meets the condition that the size score S of the mold closing line is smaller than or equal to the second preset size score S2 and the size score S of the bottle body is larger than a first preset size score S1 arranged in the central control unit, and the third detection mode meets the condition that the size score S of the mold closing line is smaller than or equal to the first preset size score S1.
The central control unit is provided with a first preset size score S1 and a second preset size score S2, whether the mould closing line meets the standard is judged by comparing the mould closing line size scores with the preset scores, and when the mould closing line meets the standard, whether the adding amount of raw materials in the bottle embryo is regulated or the strength of the bottle body is detected according to the wall thickness so as to enable the bottle body quality to meet the standard is judged; when the standard is not met, the addition amount of the raw materials in the bottle blank is increased to ensure that the die-bonding line meets the standard, so that the quality of products is effectively ensured, and the yield of the system for the bottle blowing machine is further improved.
Further, the central control unit controls the visual detector 32 to detect the average wall thickness C of the bottle body under the first detection mode, and determines an adjustment mode for the addition amount of the raw materials in the bottle embryo according to the comparison result in the process of preparing the next bottle body according to the difference value between the average wall thickness C and the preset standard average wall thickness C0 set in the central control unit,
the first adjusting mode is that the central control unit judges that the wall thickness of the bottle body meets the standard and sets the adding amount of the raw materials in the bottle embryo as the initial adding amount of the raw materials in the bottle embryo;
the second adjusting mode is that the central control unit increases the adding amount of the raw materials in the bottle embryo to a first adding value according to the second bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
The third adjusting mode is that the central control unit increases the adding amount of the raw materials in the bottle embryo to a second adding value according to the first bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the first adjusting mode meets the condition that the difference DeltaCa between the average wall thickness C and C0 of the bottle body is smaller than or equal to a first preset average wall thickness difference DeltaC 1 arranged in the central control unit, the second adjusting mode meets the condition that the difference DeltaCa between the average wall thickness C and C0 of the bottle body is larger than the first preset average wall thickness difference DeltaC 1 and smaller than or equal to a second preset average wall thickness difference DeltaC 2 arranged in the central control unit, and the third adjusting mode meets the condition that the difference DeltaCa between the average wall thickness C and C0 of the bottle body is larger than the second preset average wall thickness difference DeltaC 2.
Specifically, a first bottle embryo addition amount adjustment coefficient alpha 1 and a second bottle embryo addition amount adjustment coefficient alpha 2 are arranged in the central control unit; wherein, alpha 1 is more than 0 and alpha 2 is more than 1,
the central control module marks the first added value as Q1, and sets Q1=QX (2-alpha 2); the central control module marks the second added value as Q2, and sets Q2=QX (2-alpha 1).
According to the invention, the central control unit compares the detected wall thickness C of the visual detector 32 with the preset standard wall thickness C0 arranged in the central control unit, judges whether the wall thickness meets the standard according to the difference value, adjusts the addition amount of raw materials in the bottle embryo by calculating the difference value between the wall thickness and the preset standard wall thickness, and enables the wall thickness to meet the standard by adjusting the addition amount of the raw materials in the bottle embryo, so that the quality of a finished product is effectively ensured, and the yield of the system for the bottle blowing machine is further improved.
Further, the central control unit compares the addition quantity Q' of the raw materials in the adjusted bottle embryo with the initial addition quantity Q of the bottle embryo, and determines an adjusting mode for the distance L between the heating lamp group and the heating table according to the comparison result in the process of preparing the next bottle body, wherein,
the first distance adjustment mode is that the central control unit reduces the initial distance L between the heating lamp set 13 and the heating table 12 to a first adjustment value according to a first distance adjustment coefficient;
the second distance adjustment mode is that the central control unit increases to a second adjustment value according to a second distance adjustment coefficient and an initial distance L between the heating lamp set 13 and the heating table 12;
the first distance adjusting mode meets the requirement that the adding amount Q 'of raw materials in the bottle embryo is larger than 1.5 times of the initial adding amount Q of the bottle embryo, and the second distance adjusting mode meets the requirement that the adding amount Q' of the raw materials in the bottle embryo is smaller than 0.7 times of the initial adding amount Q of the bottle embryo.
Specifically, a first distance adjustment coefficient beta 1 and a second distance adjustment coefficient beta 2 are arranged in the central control unit; wherein, beta 1 is more than 0 and less than beta 2 is more than 1,
the central control module marks the first regulating value as L1', and sets L1' =L multiplied by beta 1; the central control module marks the second adjustment value as L2', and sets L2' =L× (1+β2);
According to the invention, the central control unit compares the addition quantity Q' of the raw materials in the adjusted bottle embryo with the initial addition quantity, and judges whether the distance L between the heating lamp group 13 and the heating table 12 is adjusted according to the comparison result, if the addition quantity of the raw materials in the adjusted bottle embryo is larger than 1.5 times of the initial addition quantity, the central control unit reduces the distance between the heating lamp group 13 and the heating table 12, and if the addition quantity of the raw materials in the adjusted bottle embryo is smaller than 0.7 times of the initial addition quantity, the central control unit effectively ensures that the bottle embryo can receive enough heat and ensure the softness of the bottle embryo by increasing the distance between the heating lamp group 13 and the heating table 12, so that qualified finished products are obtained, and the yield of the bottle blowing machine for the system is further improved.
Further, the central control unit controls the intensity detector 33 to detect the intensity of the bottle body in the second detection mode, compares the detected intensity G of the bottle body with a preset intensity G0, determines whether the intensity of the bottle body meets the standard, and processes the prepared bottle body according to the first intensity three processing mode and the second intensity processing mode in the process of preparing the next bottle body,
The first strength processing mode is that the central control unit judges that the strength of the bottle body meets the standard and judges that the preparation of the bottle body is completed;
the second strength processing mode is that the central control unit judges that the strength of the bottle body does not meet the standard, and the strength of the newly manufactured bottle body meets the standard by increasing the addition amount of raw materials in the bottle embryo in the process of preparing the next bottle body;
the first strength processing mode meets the condition that the strength G of the bottle body is larger than or equal to the preset strength G0, and the second strength processing mode meets the condition that the strength G of the bottle body is smaller than the preset strength G0.
The central control unit compares the detected strength of the bottle body with the preset strength, judges whether the strength of the bottle body meets the standard, and ensures that the strength of a finished product meets the requirement by adjusting the addition amount of raw materials in the bottle blank under the condition that the strength does not meet the standard, thereby effectively avoiding the condition that the service life of the product is shortened due to the structural strength difference of the product, and further improving the yield of the system aiming at the bottle blowing machine.
Further, the central control unit calculates a difference DeltaH between H0 and H in the second processing mode and adjusts the distance between the heating lamp set 13 and the heating table 12 to a corresponding value according to DeltaH, and calculates a difference DeltaD between D0 and D and adjusts the closing pressure of the mold to a corresponding value according to DeltaD in the process of preparing the next bottle,
The third distance adjusting mode is that the central control unit judges that the average height of the mold closing line of the bottle body meets the standard;
the fourth distance adjustment mode is that the central control unit determines that the average height of the die line of the bottle body does not meet the standard, and reduces the distance between the heating lamp set 13 and the heating table 12 to a third adjustment value according to a third distance adjustment coefficient and an initial distance L between the heating lamp set 13 and the heating table 12;
the fifth distance adjustment mode is that the central control unit determines that the average height of the die line of the bottle body does not meet the standard, and reduces the distance between the heating lamp set 13 and the heating table 12 to a fourth adjustment value according to the fourth distance adjustment coefficient and the initial distance L between the heating lamp set 13 and the heating table 12;
the first pressure regulation mode is that the central control unit judges that the average thickness of the die line of the bottle body meets the standard;
the second pressure adjusting mode is that the central control unit judges that the average thickness of the die closing line of the bottle body does not meet the standard, and the die closing pressure of the die is increased to a first pressure value according to the first pressure adjusting coefficient and the initial die closing pressure of the die;
the third pressure adjusting mode is that the central control unit judges that the average thickness of the die closing line of the bottle body does not meet the standard, and the die closing pressure of the die is increased to a second pressure value according to the second pressure adjusting coefficient and the initial die closing pressure of the die;
The third distance adjustment mode satisfies a difference delta H1 between the preset standard average height H0 and the average height H of the die assembly line of the bottle body, the fourth distance adjustment mode satisfies a difference delta H2 between the preset standard average height H0 and the average height H of the die assembly line of the bottle body, which is smaller than or equal to a second preset height difference delta H2 set in the central control unit, and is larger than the first preset height difference delta H1, the fifth distance adjustment mode satisfies a difference delta H between the preset standard average height H0 and the average height H of the die assembly line of the bottle body, which is larger than the second preset height difference delta H2, the first pressure adjustment mode satisfies a difference delta D between the average thickness D of the die assembly line of the bottle body, which is smaller than the first preset thickness delta H2 set in the central control unit, and a difference delta D between the average thickness D0, which is larger than the second preset thickness delta D1 set in the central control unit, and the difference delta D between the average thickness D of the die assembly line of the bottle body, which is larger than the second preset thickness delta D0, and the difference delta D between the average thickness D of the die assembly line of the bottle body, which is smaller than the second preset thickness D0 and the average thickness delta D1 set in the central control unit.
Specifically, the central control unit is provided with a third distance adjustment coefficient beta 3, a fourth distance adjustment coefficient beta 4, a first pressure adjustment coefficient gamma 1 and a second pressure adjustment coefficient gamma 2; wherein, beta 1 is more than 0 and less than beta 2 is more than 3 and less than beta 4 is more than 1, gamma 1 is more than 1 and less than gamma 2 is more than 1.6,
the central control module marks the third adjustment value as L3', and sets L3' =L×β3; the central control module marks the fourth adjustment value as L4', and sets L4' =L×β4; the central control module marks the first pressure value as F1, and sets F1=F×γ1, wherein F is the initial closing pressure of the die; the central control module marks the second pressure value as F2 and sets f2=f×γ2.
According to the invention, the central control unit adjusts the distance L between the heating lamp group 13 and the heating table 12 to a corresponding value according to the difference delta H between the average height of the mold closing line and the preset standard average height H0 or adjusts the mold closing pressure between the locking mechanism and the mold to a corresponding value according to the difference delta D between the average thickness of the mold closing line and the preset standard average thickness D0, on one hand, the softness meets the requirement by adjusting the distance between the heating lamp group 13 and the heating table 12 to ensure that the heated bottle blank meets the requirement, so that the height of the mold closing line of the manufactured product meets the requirement, and on the other hand, the mold closing degree of the mold is adjusted to ensure that the thickness of the manufactured product meets the requirement, effectively ensuring that the appearance and quality of the product meets the requirement, and further improving the yield of the system for the bottle blowing machine.
Further, the central control unit calculates a difference delta S between the mould closing line size score S of the bottle body and the first preset size score S1 in the third detection mode, and determines an adjustment mode for the addition amount of the raw materials in the bottle embryo according to delta S in the process of preparing the next bottle body,
the sixth adjusting mode is that the central control unit reduces the adding amount of the raw materials in the bottle embryo to a fifth adding value according to the third bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the seventh adjusting mode is that the central control unit reduces the adding amount of the raw materials in the bottle embryo to a sixth adding value according to the adjusting coefficient of the adding amount of the fourth bottle embryo and the initial adding amount of the raw materials in the bottle embryo;
the eighth adjusting mode is that the central control unit reduces the adding amount of the raw materials in the bottle embryo to a seventh adding value according to the fifth bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the sixth adjustment mode satisfies that a difference Δs1 between the first preset size score S1 and the mold closing line size score S of the bottle body is smaller than or equal to a first preset score difference Δs1 set in the central control unit, the seventh adjustment mode satisfies that a difference Δsbetween the first preset size score S1 and the mold closing line size score S of the bottle body is smaller than or equal to a second preset score difference Δs2 set in the central control unit and larger than the first preset score difference Δs1, and the eighth adjustment mode satisfies that a Δs between the first preset size score S1 and the mold closing line size score S of the bottle body is larger than a second preset score difference Δs2.
Specifically, the central control unit is provided with a third bottle embryo addition amount adjustment coefficient alpha 3, a fourth bottle embryo addition amount adjustment coefficient alpha 4 and a fifth bottle embryo addition amount adjustment coefficient alpha 5; wherein, alpha 1 is more than 0 and less than alpha 2 and alpha 3 is more than 0 and less than alpha 4 and less than alpha 5 and less than 1,
the central control module marks the fifth added value as Q5, and sets Q5=Q×α3; the central control module marks the sixth added value as Q6, and sets Q6=Q×α4; the central control module marks the seventh added value as Q7, and sets q7=qxα5.
Further, the central control unit compares the adjusted distance between the heating lamp set 13 and the heating table 12 with a minimum critical value Lmin, and determines whether to adjust the first blow molding pressure or the second blow molding pressure of the blow molding machine to a corresponding value in the process of preparing the next bottle according to the comparison result, wherein,
the first blow molding adjustment mode is that the central control unit adjusts the distance between the heating lamp set 13 and the heating table 12 to Lmin, and increases the first blow molding pressure Pa and the second blow molding pressure Pb of the blow molding machine to corresponding values;
the second blow molding adjustment mode is that the central control unit adjusts the distance between the heating lamp set 13 and the heating table 12 to L';
The first blow molding adjustment mode satisfies that a distance l″ between the heating lamp set 13 and the heating table 12 is smaller than or equal to Lmin, and the second blow molding adjustment mode satisfies that a distance l″ between the heating lamp set 13 and the heating table 12 is larger than Lmin.
The central control unit compares the adjusted distance between the heating lamp set 13 and the heating table 13 with a minimum critical value, judges whether to adjust the first blow molding pressure or the second blow molding pressure of the blow molding machine, adjusts the distance between the heating lamp set 13 and the heating table 12 to Lmin when the distance between the heating lamp set 13 and the heating table 13 is smaller than the minimum critical value, and increases the first blow molding pressure Pa and the second blow molding pressure Pb of the blow molding machine to corresponding values; when the distance between the heating lamp set 13 and the heating table 12 is larger than the minimum critical value, the distance between the heating lamp set 13 and the heating table 12 is adjusted to L', the distance between the bottle embryo and the heating lamp set 13 is effectively ensured, the condition that the bottle embryo is too soft and cannot be molded due to too high temperature to influence the follow-up progress is avoided, the deformation of the bottle embryo is completed by adjusting the blow molding pressure of the blow molding machine 22, and the yield of the bottle blowing machine is further improved.
On the other hand, the invention also provides a bottle blowing machine comprising the bottle blowing machine control system.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A bottle blowing machine control system, comprising:
the heating unit is used for carrying out preheating treatment on the bottle blanks and comprises a heating bin, a heating table arranged in the heating bin for loading the bottle blanks and a heating lamp set arranged in the heating bin for heating the bottle blanks; the heating lamp group is connected with the heating bin through a telescopic mechanism and is used for heating bottle blanks at corresponding heights; the heating unit is also provided with a first conveyor belt which is used for outputting heated bottle blanks;
The blow molding unit is arranged at the output end of the first conveyor belt and used for preparing bottle bodies, and comprises a mold and a blow molding machine arranged above the mold; the edge of the die is provided with a locking mechanism for completely closing the die, and the locking mechanism is provided with a pressure detector for detecting the die closing pressure of the die;
the checking and accepting unit is connected with the blow molding unit through a second conveyor belt and is used for loading the blow molded bottle body, and a visual detector used for detecting the wall thickness of the bottle body, the average height of a mold closing line and the average thickness and an intensity detector used for detecting the intensity of the bottle body are arranged in the checking and accepting unit;
the central control unit is respectively connected with the telescopic mechanism, the pressure detector, the visual detector and the strength detector, and is used for judging whether the prepared bottle meets the preset standard according to the average height and the average thickness of the die-closing line of the bottle, judging whether the distance between the heating lamp set and the heating table is adjusted to a corresponding value in the process of preparing the next bottle when the bottle is judged to be not met with the preset standard, or adjusting the die-closing pressure of the die to the corresponding value, judging whether the strength of the bottle meets the preset standard according to the average wall thickness of the prepared bottle, and judging whether the adding amount of raw materials in the bottle blank is adjusted to the corresponding value in the process of preparing the next bottle when the strength of the bottle is judged to be not met with the preset standard.
2. A bottle blowing machine control method using the bottle blowing machine control system of claim 1, wherein the central control unit detects the average height H and the average thickness D of the mold closing line of the prepared bottles in a single cycle according to the visual detector, compares the average height H with a preset standard average height H0 set in the central control unit and compares the average thickness D with a preset standard average thickness D0 set in the central control unit to determine whether the prepared bottles meet the preset standard, and processes the corresponding parameters in the preparation of the next bottle according to the first, second and third processing modes,
the first processing mode is that the central control unit obtains the size score S of the parting line of the bottle body according to H and D, further judges whether the prepared bottle body accords with a preset standard according to S, and sets
Figure QLYQS_1
Wherein a is a first weight coefficient and b is a second weight coefficient;
the second processing mode is that the central control unit calculates a difference delta H between H0 and H, judges whether to adjust the distance between the heating lamp group and the heating table according to the delta H, and sets delta H=H20-H;
The third processing mode is that the central control unit calculates a difference DeltaD between D0 and D, judges whether to adjust the die closing pressure of the die according to DeltaD, and sets DeltaD=D0-D;
the first treatment mode meets H0 or more and D0 or more, the second treatment mode meets H0 or less and the third treatment mode meets D0 or less.
3. The bottle blowing machine control method according to claim 2, wherein the central control unit obtains a size score S for the mold closing line of the bottle body according to the average height H and the average thickness D of the mold closing line in the first processing mode, judges whether the prepared bottle body meets a preset standard according to the S, and detects corresponding parameters in the prepared bottle body according to a first detection mode, a second detection mode and a third detection mode, wherein,
the first detection mode is that the central control unit controls the visual detector to detect the average wall thickness of the bottle body so as to judge whether the adding amount of raw materials in the bottle embryo is regulated in the process of preparing the next bottle body;
the second detection mode is that the central control unit controls the intensity detector to detect the intensity of the bottle body so as to further judge whether the bottle body meets the standard;
The third detection mode is that the central control unit detects the difference value between a first preset size score S1 arranged in the central control unit and the size score S of the bottle body and adjusts the addition amount of raw materials in the bottle embryo to a corresponding value according to the difference value in the process of preparing the next bottle body;
the first detection mode meets the condition that the size score S of the mold closing line is larger than a second preset size score S2 arranged in the central control unit, the second detection mode meets the condition that the size score S of the mold closing line is smaller than or equal to the second preset size score S2 and larger than a first preset size score S1 arranged in the central control unit, and the third detection mode meets the condition that the size score S of the mold closing line is smaller than or equal to the first preset size score S1.
4. The bottle blowing machine control method according to claim 3, wherein the central control unit controls the visual detector to detect the average wall thickness C of the prepared bottle body in the first detection mode, and determines the adjustment mode of the addition amount of the raw material in the bottle embryo in the process of preparing the next bottle body according to the difference value between the average wall thickness C and the preset standard average wall thickness C0 set in the central control unit,
the first adjusting mode is that the central control unit judges that the wall thickness of the bottle body meets the standard and sets the adding amount of the raw materials in the bottle embryo as the initial adding amount of the raw materials in the bottle embryo;
The second adjusting mode is that the central control unit increases the adding amount of the raw materials in the bottle embryo to a first adding value according to the second bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the third adjusting mode is that the central control unit increases the adding amount of the raw materials in the bottle embryo to a second adding value according to the first bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the first adjusting mode meets the condition that the difference DeltaCa between the average wall thickness C and C0 of the bottle body is smaller than or equal to a first preset average wall thickness difference DeltaC 1 arranged in the central control unit, the second adjusting mode meets the condition that the difference DeltaCa between the average wall thickness C and C0 of the bottle body is larger than the first preset average wall thickness difference DeltaC 1 and smaller than or equal to a second preset average wall thickness difference DeltaC 2 arranged in the central control unit, and the third adjusting mode meets the condition that the difference DeltaCa between the average wall thickness C and C0 of the bottle body is larger than the second preset average wall thickness difference DeltaC 2.
5. The bottle blowing machine control method according to claim 4, wherein the central control unit compares the addition amount Q' of the raw material in the adjusted bottle blank with the initial addition amount Q of the bottle blank, and determines an adjustment mode for the distance L between the heating lamp group and the heating table according to the comparison result in the process of preparing the next bottle body,
The first distance adjusting mode is that the central control unit reduces the initial distance L between the heating lamp group and the heating table to a first adjusting value according to a first distance adjusting coefficient;
the second distance adjusting mode is that the central control unit increases to a second adjusting value according to a second distance adjusting coefficient and an initial distance L between the heating lamp group and the heating table;
the first distance adjusting mode meets the requirement that the adding amount Q 'of raw materials in the bottle embryo is larger than 1.5 times of the initial adding amount Q of the bottle embryo, and the second distance adjusting mode meets the requirement that the adding amount Q' of the raw materials in the bottle embryo is smaller than 0.7 times of the initial adding amount Q of the bottle embryo.
6. The bottle blowing machine control method according to claim 5, wherein the central control unit controls the intensity detector to detect the intensity of the bottle body in the second detecting mode, compares the detected intensity G of the bottle body with a preset intensity G0, judges whether the intensity of the bottle body meets a standard, and processes the prepared bottle body according to the first intensity processing mode and the second intensity processing mode in the process of preparing the next bottle body, wherein,
the first strength processing mode is that the central control unit judges that the strength of the bottle body meets the standard and judges that the preparation of the bottle body is completed;
The second strength processing mode is that the central control unit judges that the strength of the bottle body does not meet the standard, and the strength of the newly manufactured bottle body meets the standard by increasing the addition amount of raw materials in the bottle embryo in the process of preparing the next bottle body;
the first strength processing mode meets the condition that the strength G of the bottle body is larger than or equal to the preset strength G0, and the second strength processing mode meets the condition that the strength G of the bottle body is smaller than the preset strength G0.
7. The bottle blowing machine control method according to claim 6, wherein the central control unit calculates a difference Δh between H0 and H in the second processing mode and adjusts a distance between the heating lamp group and the heating table to a corresponding value according to Δh, and calculates a difference Δd between D0 and D and adjusts a closing pressure of the mold to a corresponding value according to Δd in the process of preparing the next bottle,
the third distance adjusting mode is that the central control unit judges that the average height of the mold closing line of the bottle body meets the standard;
the fourth distance adjusting mode is that the central control unit judges that the average height of the die-bonding line of the bottle body does not meet the standard, and reduces the distance between the heating lamp group and the heating table to a third adjusting value according to a third distance adjusting coefficient and an initial distance L between the heating lamp group and the heating table;
The fifth distance adjusting mode is that the central control unit judges that the average height of the die-bonding line of the bottle body does not meet the standard, and reduces the distance between the heating lamp group and the heating table to a fourth adjusting value according to a fourth distance adjusting coefficient and an initial distance L between the heating lamp group and the heating table;
the first pressure regulation mode is that the central control unit judges that the average thickness of the die line of the bottle body meets the standard;
the second pressure adjusting mode is that the central control unit judges that the average thickness of the die closing line of the bottle body does not meet the standard, and the die closing pressure of the die is increased to a first pressure value according to the first pressure adjusting coefficient and the initial die closing pressure of the die;
the third pressure adjusting mode is that the central control unit judges that the average thickness of the die closing line of the bottle body does not meet the standard, and the die closing pressure of the die is increased to a second pressure value according to the second pressure adjusting coefficient and the initial die closing pressure of the die;
the third distance adjustment mode satisfies a difference delta H1 between the preset standard average height H0 and the average height H of the die assembly line of the bottle body, the fourth distance adjustment mode satisfies a difference delta H2 between the preset standard average height H0 and the average height H of the die assembly line of the bottle body, which is smaller than or equal to a second preset height difference delta H2 set in the central control unit, and is larger than the first preset height difference delta H1, the fifth distance adjustment mode satisfies a difference delta H between the preset standard average height H0 and the average height H of the die assembly line of the bottle body, which is larger than the second preset height difference delta H2, the first pressure adjustment mode satisfies a difference delta D between the average thickness D of the die assembly line of the bottle body, which is smaller than the first preset thickness delta H2 set in the central control unit, and a difference delta D between the average thickness D0, which is larger than the second preset thickness delta D1 set in the central control unit, and the difference delta D between the average thickness D of the die assembly line of the bottle body, which is larger than the second preset thickness delta D0, and the difference delta D between the average thickness D of the die assembly line of the bottle body, which is smaller than the second preset thickness D0 and the average thickness delta D1 set in the central control unit.
8. The bottle blowing machine control method according to claim 7, wherein the central control unit calculates a difference DeltaS between the parting line size score S of the bottle body and the first preset size score S1 in the third detection mode and determines an adjustment mode for the addition amount of the raw material in the bottle embryo according to DeltaS in the process of preparing the next bottle body,
the sixth adjusting mode is that the central control unit reduces the adding amount of the raw materials in the bottle embryo to a fifth adding value according to the third bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the seventh adjusting mode is that the central control unit reduces the adding amount of the raw materials in the bottle embryo to a sixth adding value according to the adjusting coefficient of the adding amount of the fourth bottle embryo and the initial adding amount of the raw materials in the bottle embryo;
the eighth adjusting mode is that the central control unit reduces the adding amount of the raw materials in the bottle embryo to a seventh adding value according to the fifth bottle embryo adding amount adjusting coefficient and the initial adding amount of the raw materials in the bottle embryo;
the sixth adjustment mode satisfies that a difference Δs1 between the first preset size score S1 and the mold closing line size score S of the bottle body is smaller than or equal to a first preset score difference Δs1 set in the central control unit, the seventh adjustment mode satisfies that a difference Δsbetween the first preset size score S1 and the mold closing line size score S of the bottle body is smaller than or equal to a second preset score difference Δs2 set in the central control unit and larger than the first preset score difference Δs1, and the eighth adjustment mode satisfies that a Δs between the first preset size score S1 and the mold closing line size score S of the bottle body is larger than a second preset score difference Δs2.
9. The bottle blowing machine control method according to claim 8, wherein the central control unit determines whether to adjust the first blowing pressure or the second blowing pressure of the blowing machine to a corresponding value in the process of preparing the next bottle according to the comparison result by comparing the adjusted distance between the heating lamp group and the heating table with a minimum critical value Lmin,
the first blow molding adjustment mode is that the central control unit adjusts the distance between the heating lamp group and the heating table to Lmin, and increases the first blow molding pressure Pa and the second blow molding pressure Pb of the blow molding machine to corresponding values;
the second blow molding adjusting mode is that the central control unit adjusts the distance between the heating lamp group and the heating table to L';
the first blow molding adjusting mode meets the condition that the distance L 'between the heating lamp group and the heating table is smaller than or equal to Lmin, and the second blow molding adjusting mode meets the condition that the distance L' between the heating lamp group and the heating table is larger than Lmin.
CN202310449741.7A 2023-04-25 2023-04-25 Bottle blowing machine control system and bottle blowing machine control method Active CN116175939B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206703492U (en) * 2017-05-14 2017-12-05 云南淡定人生食品有限公司 A kind of high-speed full-automatic plastic bottle blowing system
CN107775946A (en) * 2016-08-31 2018-03-09 岱纳包装（天津）有限公司 A kind of human-computer interaction intelligent closed-loop control full-automatic blowing coating line and technique
CN113478784A (en) * 2021-07-22 2021-10-08 杭州千岛湖丹然饮用水有限公司 Bottle blowing machine and bottle making process thereof
CN115256882A (en) * 2022-09-26 2022-11-01 张家港市联鑫塑料机械有限公司 Injection blow hollow molding control system based on multi-data monitoring
CN115635670A (en) * 2022-11-18 2023-01-24 张家港众辉医用塑料科技有限公司 Injection blow molding process for medical sealing bottle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107775946A (en) * 2016-08-31 2018-03-09 岱纳包装（天津）有限公司 A kind of human-computer interaction intelligent closed-loop control full-automatic blowing coating line and technique
CN206703492U (en) * 2017-05-14 2017-12-05 云南淡定人生食品有限公司 A kind of high-speed full-automatic plastic bottle blowing system
CN113478784A (en) * 2021-07-22 2021-10-08 杭州千岛湖丹然饮用水有限公司 Bottle blowing machine and bottle making process thereof
CN115256882A (en) * 2022-09-26 2022-11-01 张家港市联鑫塑料机械有限公司 Injection blow hollow molding control system based on multi-data monitoring
CN115635670A (en) * 2022-11-18 2023-01-24 张家港众辉医用塑料科技有限公司 Injection blow molding process for medical sealing bottle

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