CN111958765A - Vector control extrusion forming technology suitable for producing wallboard - Google Patents
Vector control extrusion forming technology suitable for producing wallboard Download PDFInfo
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- CN111958765A CN111958765A CN202010812158.4A CN202010812158A CN111958765A CN 111958765 A CN111958765 A CN 111958765A CN 202010812158 A CN202010812158 A CN 202010812158A CN 111958765 A CN111958765 A CN 111958765A
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- wallboard
- pressure
- oil cylinder
- extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0063—Control arrangements
- B28B17/0072—Product control or inspection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0063—Control arrangements
- B28B17/0081—Process control
Abstract
The invention discloses a vector control extrusion forming technology suitable for producing wallboards, which comprises the following operation steps: filling sufficient wallboard plastic materials into the wallboard customized die cavity, and gradually increasing the oil pressure state in the extrusion oil cylinder to enable the extrusion oil cylinder to gradually extrude and shape the wallboard plastic materials; acquiring the sedimentation velocity data information of the extrusion oil cylinder and the pressure data information of all parts of the inner wall of the wallboard mold cavity, and generating a pressure increasing curve in a time domain; comparing the pressure intensity data information and the pressure increasing curve with set data, and if an overproof error exists, automatically obtaining correction data; according to the vector control extrusion forming technology for producing the wallboard, the shaping quality of the wallboard is controlled by controlling the output of the extrusion oil cylinder, the stress state of each layer of the wallboard is judged and mastered according to the output speed change of the extrusion oil cylinder and the pressure change of the wallboard extrusion die cavity, and the condition that the density of the board is uneven due to uneven output of the extrusion oil cylinder is avoided.
Description
Technical Field
The invention relates to the technical field of automatic wallboard forming extruders, in particular to a vector control extrusion forming technology suitable for producing wallboards.
Background
The wall board extruder has the working principle that a forming machine works on a cement platform, a group of screws rotating by screws push and compact the mixture backwards, a vibrator further vibrates and compacts the plate blank, a reinforcement structure automatically and continuously distributes 16# steel wires into the upper surface layer and the lower surface layer of the plate blank in an oriented and positioned manner, the reverse thrust generated by the plate blank pushes the forming machine to move forwards, the continuous plate blank is left behind the extruding machine by a troweling plate on the forming machine and is cut to a certain length after being statically stopped and hardened, the extrusion deformation degree of the wall board is expressed by the reduction rate of the cross section area before and after the blank deforms, the limit deformation degree of the blank without cracks in the primary deformation process is called as the allowable deformation degree, and the allowable deformation degree is higher when the blank is subjected to extrusion deformation under three-way compressive stress.
However, the existing wallboard extruder has the defects of unstable running speed and uneven compression of the plastic material, accordingly, the whole effect of the wallboard is poor, the situation of fracture or delamination is easy to occur, and the product quality is seriously influenced.
Disclosure of Invention
The invention aims to provide a vector control extrusion forming technology suitable for producing wallboards, which adopts a control system to intelligently acquire extrusion information of the wallboards and timely adjust the output effect of an extrusion oil cylinder, and provides a certain reference value for the processing design of the extruded wallboards.
The design idea of the invention is as follows: the method comprises the steps of firstly obtaining and recording output data of an extrusion oil cylinder and pressure information of each position of an extrusion die cavity, then drawing a pressure change curve according to the change ratio of the pressure information of each position of the extrusion die cavity along with time, comparing the pressure change curve with a preset curve, then calculating correction data according to the comparison difference, and controlling the extrusion oil cylinder to adjust the oil pressure state.
In order to achieve the purpose, the invention provides the following technical scheme: a vector control extrusion forming technology suitable for producing wallboard comprises the following operation steps:
(1) filling sufficient wallboard plastic materials into the wallboard customized die cavity, and gradually increasing the oil pressure state in the extrusion oil cylinder to enable the extrusion oil cylinder to gradually extrude and shape the wallboard plastic materials;
(2) acquiring the sedimentation velocity data information of the extrusion oil cylinder and the pressure intensity data information of all parts of the inner wall of the wall plate mold cavity, and generating a pressure increasing curve in a time domain;
(3) comparing the pressure intensity data information and the pressure increasing curve with set data, and if an overproof error exists, automatically obtaining correction data;
(4) adjusting the output pressure of the extrusion oil cylinder according to the comparison and correction data until the shaping operation of the wallboard is completed;
(5) and recording and storing the operation data of the extrusion oil cylinder, and comparing the operation data with the previous operation data to obtain a new production data reference.
Compared with the prior art, the invention has the beneficial effects that: the vector control extrusion forming technology suitable for producing the wallboard controls the shaping quality of the wallboard by controlling the output of the extrusion oil cylinder, judges and masters the stress state of each layer of the wallboard according to the output speed change of the extrusion oil cylinder and the pressure change of the extrusion die cavity of the wallboard, avoids the condition of uneven density of the board caused by uneven output of the extrusion oil cylinder, improves the integral strength of the shaped board, directly sets the extrusion speed of the extrusion oil cylinder by the display module, the driving module and the control module, can display speed data in real time and compare the set data with working data and the like, has the characteristics of high sampling frequency and short sampling period, can respond to the running state of the extrusion period in time, fully meets the requirements of a system, ensures that the extrusion process of the wallboard is controllable and adjustable, and ensures the extrusion quality of the board.
Drawings
FIG. 1 is a schematic flow diagram of the extrusion molding technique of the present invention;
FIG. 2 is a schematic view of a control module of the extrusion molding apparatus of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, a vector control extrusion molding technique suitable for the production of wallboard comprises the following operating steps:
(1) filling sufficient wallboard plastic materials into the wallboard customized die cavity, and gradually increasing the oil pressure state in the extrusion oil cylinder to enable the extrusion oil cylinder to gradually extrude and shape the wallboard plastic materials;
(2) acquiring the sedimentation velocity data information of the extrusion oil cylinder and the pressure intensity data information of all parts of the inner wall of the wall plate mold cavity, and generating a pressure increasing curve in a time domain;
(3) comparing the pressure intensity data information and the pressure increasing curve with set data, and if an overproof error exists, automatically obtaining correction data;
(4) adjusting the output pressure of the extrusion oil cylinder according to the comparison and correction data until the shaping operation of the wallboard is completed;
(5) and recording and storing the operation data of the extrusion oil cylinder, and comparing the operation data with the previous operation data to obtain a new production data reference.
And (3) the sedimentation velocity data information of the extrusion oil cylinder in the step (2) is in a direct proportion relation with the oil pressure state in the extrusion oil cylinder.
And (3) the pressure increasing curve in the step (2) is the corresponding relation between the pressure values at all positions of the inner wall of the wallboard mold cavity and the pressure applying time.
Wherein, the pressure increasing curve set in the step (3) is a function increasing curve.
A vector control extrusion apparatus suitable for use in the production of wallboard comprising:
the driving module is used for increasing oil pressure in the oil cylinder and applying pressure to and shaping raw wallboard particles, optionally, the driving module is an oil pressure pump, the output effect of the oil cylinder can be adjusted in real time by adjusting the rotating speed of blades of the oil pressure pump, further, the oil cylinder is connected with an oil tank through two groups of oil inlet oil pressure pumps and two groups of magnetic control oil return pipelines, and telescopic adjustment of the oil cylinder can be realized by controlling the oil supply and return proportion of the oil pressure;
the sensing module is used for acquiring settlement output data information of the oil cylinder and pressure data information of each position in the wallboard mold cavity, optionally, the sensing module comprises pressure sensors dispersed in each position in the wallboard mold cavity and a distance meter arranged on the lower side of the oil cylinder body and is used for detecting the output state of the oil cylinder;
the display module is used for converting the data information acquired by the sensing module into a time domain image, comparing the feedback data with the data set by the display module to obtain correction data, and feeding the correction data back to the driving module, and optionally, the display module is a computer;
and the control module is used for controlling the driving module to execute a correction command and changing the oil pressure input state in the oil cylinder, optionally, the control module is a PLC (programmable logic controller) and adjusts the rotating speed of the oil pressure pump.
The sensing module is composed of a distance measuring unit and at least one pressure sensing unit.
The pressure sensing units are arranged on the inner wall of the wallboard mold cavity in an array shape.
Specifically, a vector control extrusion forming technology and device suitable for producing wallboard can adjust the extrusion state of the wallboard automatic forming extruder in real time, the extrusion condition of the wallboard can be adjusted through the internal pressure change state of the extrusion oil cylinder, and the extrusion information can be fed back in real time through the real-time monitoring of the pressure of each part of the extrusion die cavity, and then the quality influence of the power change of the extrusion oil cylinder on the wallboard can be judged through comparing the extrusion information with the preset information, so that the quality control of the extrusion wallboard is realized.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. A vector control extrusion forming technology suitable for producing wallboard is characterized by comprising the following operation steps:
(1) filling sufficient wallboard plastic materials into the wallboard customized die cavity, and gradually increasing the oil pressure state in the extrusion oil cylinder to enable the extrusion oil cylinder to gradually extrude and shape the wallboard plastic materials;
(2) acquiring the sedimentation velocity data information of the extrusion oil cylinder and the pressure intensity data information of all parts of the inner wall of the wall plate mold cavity, and generating a pressure increasing curve in a time domain;
(3) comparing the pressure intensity data information and the pressure increasing curve with set data, and if an overproof error exists, automatically obtaining correction data;
(4) adjusting the output pressure of the extrusion oil cylinder according to the comparison and correction data until the shaping operation of the wallboard is completed;
(5) and recording and storing the operation data of the extrusion oil cylinder, and comparing the operation data with the previous operation data to obtain a new production data reference.
2. The vector control extrusion molding technique of claim 1 wherein the settling rate data information of the squeeze cylinders in step (2) is proportional to the oil pressure status in the squeeze cylinders.
3. The vector control extrusion molding technique of claim 1, wherein the pressure increasing curve in step (2) is the corresponding relationship between the pressure value at various positions of the inner wall of the wallboard mold cavity and the pressing time.
4. A vector control extrusion technique suitable for the production of wallboard as claimed in claim 1 wherein the pressure increasing curve set in step (3) is a function increasing curve.
5. A vector control extrusion forming apparatus suitable for use in the production of wallboard, comprising:
the driving module is used for increasing the oil pressure in the oil cylinder and applying pressure to and shaping the wallboard raw material particles;
the sensing module is used for acquiring settlement output data information of the oil cylinder and pressure data information of each position in the wallboard die cavity;
the display module is used for converting the data information acquired by the sensing module into a time domain image, comparing the feedback data with the data set by the display module to obtain correction data, and feeding the correction data back to the driving module;
and the control module is used for controlling the driving module to execute the correction command and changing the oil pressure input state in the oil cylinder.
6. The vector control extrusion apparatus as claimed in claim 5, wherein the sensing module comprises a distance measuring unit and at least one pressure sensing unit.
7. The vector control extrusion molding apparatus as claimed in claim 5, wherein the pressure sensing units are arranged in an array on the inner wall of the wallboard mold cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010812158.4A CN111958765A (en) | 2020-08-13 | 2020-08-13 | Vector control extrusion forming technology suitable for producing wallboard |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010812158.4A CN111958765A (en) | 2020-08-13 | 2020-08-13 | Vector control extrusion forming technology suitable for producing wallboard |
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| CN111958765A true CN111958765A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010812158.4A Pending CN111958765A (en) | 2020-08-13 | 2020-08-13 | Vector control extrusion forming technology suitable for producing wallboard |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0872037A (en) * | 1994-09-08 | 1996-03-19 | Agency Of Ind Science & Technol | Method for preparing extrusion molding material |
| CN2281258Y (en) * | 1996-06-16 | 1998-05-13 | 钱贵兴 | Lightweight composite wall panel moulding apparatus |
| CN101612783A (en) * | 2009-06-25 | 2009-12-30 | 无锡威锐科智能测控技术有限公司 | Method for controlling mold cavity resin pressure of injection molding machine |
| CN103158239A (en) * | 2011-12-12 | 2013-06-19 | 东芝机械株式会社 | Molding machine controlling apparatus and method of controlling molding machine |
| CN103722612A (en) * | 2013-12-24 | 2014-04-16 | 柴标 | Plastic partition wall batten forming machine and plastic partition wall batten forming method |
| CN107073567A (en) * | 2014-11-04 | 2017-08-18 | 东洋机械金属株式会社 | Supervising device in the mould of die casting machine |
| CN206509347U (en) * | 2016-12-09 | 2017-09-22 | 中国科学院长春应用化学研究所 | A kind of almag extruder extrusion speed control and measuring system |
-
2020
- 2020-08-13 CN CN202010812158.4A patent/CN111958765A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0872037A (en) * | 1994-09-08 | 1996-03-19 | Agency Of Ind Science & Technol | Method for preparing extrusion molding material |
| CN2281258Y (en) * | 1996-06-16 | 1998-05-13 | 钱贵兴 | Lightweight composite wall panel moulding apparatus |
| CN101612783A (en) * | 2009-06-25 | 2009-12-30 | 无锡威锐科智能测控技术有限公司 | Method for controlling mold cavity resin pressure of injection molding machine |
| CN103158239A (en) * | 2011-12-12 | 2013-06-19 | 东芝机械株式会社 | Molding machine controlling apparatus and method of controlling molding machine |
| CN103722612A (en) * | 2013-12-24 | 2014-04-16 | 柴标 | Plastic partition wall batten forming machine and plastic partition wall batten forming method |
| CN107073567A (en) * | 2014-11-04 | 2017-08-18 | 东洋机械金属株式会社 | Supervising device in the mould of die casting machine |
| CN206509347U (en) * | 2016-12-09 | 2017-09-22 | 中国科学院长春应用化学研究所 | A kind of almag extruder extrusion speed control and measuring system |
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Application publication date: 20201120 |