CN114851520A - Bottle blowing machine capable of eliminating parison length deviation and control method thereof - Google Patents
Bottle blowing machine capable of eliminating parison length deviation and control method thereof Download PDFInfo
- Publication number
- CN114851520A CN114851520A CN202210414025.0A CN202210414025A CN114851520A CN 114851520 A CN114851520 A CN 114851520A CN 202210414025 A CN202210414025 A CN 202210414025A CN 114851520 A CN114851520 A CN 114851520A
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- China
- Prior art keywords
- material pipe
- extruder
- length
- eliminating
- blowing machine
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- 238000007664 blowing Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 60
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000001125 extrusion Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000000071 blow moulding Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92114—Dimensions
- B29C2948/92142—Length
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92323—Location or phase of measurement
- B29C2948/92447—Moulded article
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention discloses a bottle blowing machine capable of eliminating parison length deviation and a control method thereof, wherein the bottle blowing machine comprises an extruder and a die head assembly, the extruder and the die head assembly are connected through a blank propelling device, one side of a blank output unit of the die head assembly is provided with a material pipe detection device, the material pipe detection device is connected with a central controller and is used for monitoring the length of an output material pipe in real time and feeding the length back to the central controller, and the blank output quantity of the extruder is adjusted through comparison calculation of a preset program. According to the invention, a material pipe detection device is added to monitor the material pipe extruded by the blank output unit in real time, the data is transmitted back to the central controller, the detection data of the material pipe detection device is compared and calculated through a preset program, and if the length of the material pipe has deviation, the blank output quantity of the extruder is timely adjusted, so that the extrusion length of the material pipe is consistent, the deviation in a subsequent processing program is avoided, and the consistency of the output quality of a product is improved.
Description
Technical Field
The invention relates to the technical field of automatic control of bottle blowing machines, in particular to a bottle blowing machine capable of eliminating parison length deviation and a control method thereof.
Background
Blow molding, also known as blow molding, is a rapidly developing plastic processing method. The bottle blowing machine is one of processing devices commonly used in blow molding processing and manufacturing, and consists of an extruder, a die head, a clamp mechanism, a blowing system and other functional blocks. In the processing path, the extruder is used for heating, melting and mixing plastic particles and then pushing the plastic particles into a die head; the die head forms the molten plastic into a prefabricated parison; and (5) cooling and blow molding the parison in a mold by matching with a blowing system to obtain a final product. The extrusion length of the tube (parison) is completed by the cooperation of the extruder and the die assembly during the whole blow molding process. However, the length of the material tube of the conventional bottle blowing machine is usually controlled by the preset extrusion amount, and is easily affected by the mechanical precision of the extruder or the die head assembly, and it is not possible to ensure that the length of the material tube is completely consistent (i.e. deviation may occur), so that deviation occurs in the subsequent processing procedure, and the consistency of the output quality of the product is affected.
Disclosure of Invention
Based on the defects of the prior art, the invention mainly aims to provide a bottle blowing machine capable of eliminating parison length deviation and a control method thereof.
In order to achieve the technical effects, the technical scheme of the invention is as follows: a bottle blowing machine capable of eliminating parison length deviation comprises an extruder and a die head assembly, wherein the extruder and the die head assembly are connected through a blank propelling device, a material pipe detection device is arranged on one side of a blank output unit of the die head assembly and connected with a central controller, the material pipe detection device is used for monitoring the length of an output material pipe in real time and feeding the length back to the central controller, and the blank output quantity of the extruder is adjusted through comparison calculation of a preset program.
Furthermore, two sensors are arranged on the material pipe detection device, and the position intervals of the sensors are consistent with the length of the material pipe. The sensor is a photoelectric sensor.
Based on the bottle blowing machine capable of eliminating the parison length deviation, the invention also provides a control method capable of eliminating the parison length deviation, which comprises the following steps:
(1) starting the bottle blowing machine, and continuously extruding a discharge pipe by the extruder through a blank output unit of the die head assembly;
(2) the material pipe detection device monitors the material pipe in real time, and when the first sensor detects the material pipe, the material pipe is fed back to the central controller, and initial data is recorded;
(3) the blank output unit continues to extrude the material pipe, and when the second sensor detects the material pipe, the material pipe is fed back to the central controller;
(4) and the central controller compares and calculates the detection data of the first sensor and the second sensor through a preset program, and if the length deviation of the material pipe occurs, the blank output quantity of the extruder is adjusted.
Further, in the step (4), if the length of the material pipe is smaller, the blank output quantity of the extruder is increased; otherwise, the billet output of the extruder is reduced.
Compared with the prior art, the technical scheme of the invention adopts a mode of adding the material pipe detection device, the material pipe extruded by the blank output unit is monitored in real time, the data is transmitted back to the central controller, the detection data of the material pipe detection device is compared and calculated through a preset program, and if the length of the material pipe has deviation, the blank output quantity of the extruder is timely adjusted, so that the extrusion length of the material pipe is ensured to be consistent, the deviation in a subsequent processing procedure is avoided, and the consistency of the output quality of the product is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, specific embodiments and drawings will be described and presented below.
Fig. 1 is a schematic overall structure diagram of a bottle blowing machine according to an embodiment of the present invention.
Fig. 2 is a schematic view of a temperature control system of a bottle blowing machine according to an embodiment of the present invention.
Fig. 3 is a second schematic view of the layout structure of the temperature control system of the bottle blowing machine according to the embodiment of the invention.
Fig. 4 is a second schematic view of the layout structure of the temperature control system of the bottle blowing machine according to the embodiment of the invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. Based on the following embodiments, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
If there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a technical feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization of those skilled in the art.
As shown in fig. 1, the bottle blowing machine capable of eliminating parison length deviation according to the embodiment of the present invention includes an extruder 10 and a die head assembly 20, the extruder 10 and the die head assembly 20 are connected by a blank propelling device 12, a material pipe detection device 30 is disposed on one side of a blank output unit 22 of the die head assembly 20, the material pipe detection device 30 is connected to a central controller 21, and is configured to monitor a length of an output material pipe in real time, feed the length of the output material pipe back to the central controller, and adjust a blank output amount of the extruder by comparison calculation of a preset program.
Further, as shown in fig. 2 to 4, two sensors 31 and 32 are disposed on the material pipe detecting device 30, and the first sensor 31 and the second sensor 32 are longitudinally spaced and have a position interval consistent with a preset length of the material pipe 33. The first sensor 31 and the second sensor 32 are photosensors. In addition, the extruder 10 further comprises an extruder frequency converter 11 for controlling the operation of the extruder.
The control method capable of eliminating the parison length deviation comprises the following steps:
(1) starting the bottle blowing machine, and continuously extruding a discharge pipe by the extruder 10 through the blank output unit 22 of the die head assembly;
(2) the material pipe detection device 30 monitors the material pipe in real time, and when the first sensor 31 detects the material pipe 33, the material pipe is fed back to the central controller 21, and initial data is recorded;
(3) the billet output unit 22 continues to extrude the material pipe, and when the second sensor 32 detects the material pipe 33, the material pipe is fed back to the central controller 21;
(4) the central controller 21 compares the detection data of the first sensor 31 and the second sensor 32 by a preset program, and adjusts the blank output of the extruder 10 if the deviation of the length of the material pipe occurs.
In the step (4), if the length of the material pipe 33 is smaller than the preset length, the blank output quantity of the extruder 10 is increased; otherwise, the billet output of the extruder 10 is reduced.
In this embodiment, a manner of adding the material tube detection device 30 is adopted, the material tube extruded by the blank output unit 22 is monitored in real time, data is transmitted back to the central controller, the detection data of the material tube detection device is compared and calculated through a preset program, and if the length of the material tube has a deviation, the blank output quantity of the extruder is adjusted in time, so that the extrusion length of the material tube is consistent, the deviation in a subsequent processing procedure is avoided, and the consistency of the output quality of the product is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, shall be included in the scope of the present invention.
Claims (5)
1. A bottle blowing machine capable of eliminating parison length deviation comprises an extruder and a die head assembly, wherein the extruder and the die head assembly are connected through a blank propelling device.
2. The bottle blowing machine capable of eliminating parison length deviation according to claim 1, wherein the material pipe detection device is provided with two sensors, and the position interval of the sensors is consistent with the length of the material pipe.
3. The bottle blowing machine capable of eliminating parison length deviation according to claim 2, wherein the sensor is a photoelectric sensor.
4. A control method for eliminating parison length deviation according to claims 1 to 3, characterized in that: the method comprises the following steps:
(1) starting the bottle blowing machine, and continuously extruding a discharge pipe by the extruder through a blank output unit of the die head assembly;
(2) the material pipe detection device monitors the material pipe in real time, and when the first sensor detects the material pipe, the material pipe is fed back to the central controller, and initial data is recorded;
(3) the blank output unit continues to extrude the material pipe, and when the second sensor detects the material pipe, the material pipe is fed back to the central controller;
(4) and the central controller compares and calculates the detection data of the first sensor and the second sensor through a preset program, and if the length deviation of the material pipe occurs, the blank output quantity of the extruder is adjusted.
5. The control method for eliminating the deviation of the parison length according to claim 4, wherein: in the step (4), if the length of the material pipe is smaller, the blank output quantity of the extruder is increased; otherwise, the billet output of the extruder is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414025.0A CN114851520A (en) | 2022-04-20 | 2022-04-20 | Bottle blowing machine capable of eliminating parison length deviation and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414025.0A CN114851520A (en) | 2022-04-20 | 2022-04-20 | Bottle blowing machine capable of eliminating parison length deviation and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114851520A true CN114851520A (en) | 2022-08-05 |
Family
ID=82630774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210414025.0A Pending CN114851520A (en) | 2022-04-20 | 2022-04-20 | Bottle blowing machine capable of eliminating parison length deviation and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114851520A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759648A (en) * | 1971-09-15 | 1973-09-18 | Hunker Instr Dev Labor Inc | Extruder control system |
| JPH068310A (en) * | 1991-12-27 | 1994-01-18 | Kao Corp | Controlling method of length of parison in blow molder |
| JPH0994869A (en) * | 1995-09-29 | 1997-04-08 | Japan Steel Works Ltd:The | Method for controlling parison by means of continuous extrusion type hollow molding machine and its apparatus |
| JP2000153549A (en) * | 1994-02-21 | 2000-06-06 | Tahara:Kk | Controlling method for length of parison in blow molding machine |
| CN215661802U (en) * | 2021-09-30 | 2022-01-28 | 苏州金纬中空技术有限公司 | Automatic control device for die assembly of blow molding machine |
| CN114131903A (en) * | 2021-10-29 | 2022-03-04 | 东风亚普汽车部件有限公司 | Oil tank blowing system capable of detecting length of material blank and detection method thereof |
-
2022
- 2022-04-20 CN CN202210414025.0A patent/CN114851520A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759648A (en) * | 1971-09-15 | 1973-09-18 | Hunker Instr Dev Labor Inc | Extruder control system |
| JPH068310A (en) * | 1991-12-27 | 1994-01-18 | Kao Corp | Controlling method of length of parison in blow molder |
| JP2000153549A (en) * | 1994-02-21 | 2000-06-06 | Tahara:Kk | Controlling method for length of parison in blow molding machine |
| JPH0994869A (en) * | 1995-09-29 | 1997-04-08 | Japan Steel Works Ltd:The | Method for controlling parison by means of continuous extrusion type hollow molding machine and its apparatus |
| CN215661802U (en) * | 2021-09-30 | 2022-01-28 | 苏州金纬中空技术有限公司 | Automatic control device for die assembly of blow molding machine |
| CN114131903A (en) * | 2021-10-29 | 2022-03-04 | 东风亚普汽车部件有限公司 | Oil tank blowing system capable of detecting length of material blank and detection method thereof |
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