JP2002214107A - Information providing system on biaxial kneading extruder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a user to acquire respective data only by transmitting a desired condition without executing individually flow analysis and a kneading extrusion test on a biaxial kneading extruder, and to receive additionally a proposal of a segment constitution optimum for the condition. SOLUTION: The flow analysis and the kneading extrusion test relative to plural resin materials with a segment constitution of the biaxial kneading extruder having plural sizes are executed beforehand to generate a database, and hereby data corresponding to the condition desired by the user are provided, and the segment constitution optimum for the condition is also proposed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information providing system for a twin-screw kneading extruder which provides a user with information on a screw segment configuration provided in the twin-screw kneading extruder.

[0002]

2. Description of the Related Art A twin-screw kneading extruder for melting and further kneading a supplied resin material includes two parallel chambers and a rotatable screw disposed inside each of the chambers. Have. If the screw segment configuration (including the difference of the chamber length L / chamber diameter d) is different, physical actions such as flow velocity / residence time of the resin material and heat generation due to shear force change, so that the biaxial kneading is performed. The kneading state of the resin material inside the extruder changes. Therefore, in order to correspond to the kind of the resin material to be supplied and the kneading state of the resin material desired by the user,
It is necessary to set an appropriate segment configuration for them.

[0003] Therefore, any of a machine maker, a resin maker, a compound maker, and an extrusion molding maker conducts a kneading and extruding test for all kinds of resin materials, and performs optimal twin-screw kneading extruders for different kinds of resin materials. The segment configuration of the screw is being studied. In addition, with the development of computers, the analysis technology has been remarkably improved, and by conducting flow analysis by modeling the twin-screw kneading extruder, the optimal screw segment configuration of the twin-screw kneading extruder was examined. It is also possible.

[0004]

However, when performing a kneading extrusion test for examining the screw segment configuration, considerable trial and error is required to perform the test. In addition, data accumulated so far is often not disclosed to the public. Therefore, each manufacturer must repeat the kneading extrusion test many times independently. In addition, when using flow analysis technology, although it is more efficient than performing many kneading extrusion tests,
The development or introduction of flow analysis technology requires considerable time and expense, and it is often difficult for each manufacturer to independently develop or purchase.

Accordingly, an object of the present invention is to provide a flow analysis result and a kneading extrusion test result for a twin-screw kneading extruder to a user, and to propose an optimal screw segment configuration for conditions specified by the user. The purpose of the present invention is to provide an information providing system for a twin-screw kneading extruder.

[0006]

According to a first aspect of the present invention, there is provided an information providing system for a twin-screw kneading extruder, wherein a plurality of sizes of screws are provided in a twin-screw kneading extruder. Flow analysis means capable of deriving flow analysis data for a plurality of different resin materials, request receiving means for receiving from a user a request to provide information on a segment configuration of a screw provided in a twin-screw kneading extruder, and the information provision Flow analysis data capturing means for capturing the flow analysis data corresponding to the request from the flow analysis means, and a flow for transmitting the flow analysis data captured by the flow analysis data capturing means to a user. Analysis data transmission means.

According to a second aspect of the present invention, in the information providing system for a twin-screw kneading extruder, the flow analysis means is a flow analysis database in which flow analysis data obtained in advance is stored. It is characterized by.

According to the first or second aspect, the user does not need to develop or purchase a flow analysis technique for performing flow analysis when examining the segment configuration of the screw provided in the twin-screw kneading extruder. The cost for introducing the flow analysis technology can be reduced.

Here, the "segment configuration of the screw provided in the twin-screw kneading extruder" refers to the axial length, external dimensions and outer peripheral shape of the screw disposed inside the chamber.

According to a third aspect of the present invention, there is provided an information providing system for a twin-screw kneading extruder, wherein a kneading and extruding test for a plurality of different resin materials is performed in a screw segment configuration provided in each of a plurality of twin-screw kneading extruders. And a kneading / extruding test database for storing kneading / extruding test data obtained by performing the kneading / extruding test data for taking in the kneading / extruding test data corresponding to the information provision request from the kneading / extruding test database. And a kneading and extrusion test data transmitting unit for transmitting the kneading and extrusion test data captured by the kneading and extrusion test data capturing unit to a user.

According to the third aspect, when examining the segment configuration of the screw provided in the twin-screw kneading extruder, the user further performs trial and error tests of kneading and extrusion under various conditions (segment configuration, extrusion conditions, etc.). However, it is possible to obtain data corresponding to this without repeating the operation.

An information providing system for a twin-screw kneading extruder according to a fourth aspect of the present invention provides the information providing system according to any one of the first to third aspects.
In the paragraph, the segment configuration selecting means for selecting a segment configuration of a screw provided in a twin-screw kneading extruder most suitable for a kneading state of a desired resin material included in the information provision request, and the segment configuration selecting means And a segment configuration data transmission unit for transmitting data relating to the segment configuration selected by the user to the user.

According to the fourth aspect, the user transmits desired conditions (such as the size of the twin-screw kneading extruder and the type of the resin material) when examining the segment configuration of the screw provided in the twin-screw kneading extruder. Alone, it is possible to receive a proposal for a segment configuration that is optimal for the condition. In addition, since the information providing system can be used by a large number of users, the information providing system provider can understand the segment configuration of the screw required by the user. It becomes possible.

The "kneading state of the resin material" means that the supplied resin material is kneaded while being conveyed inside the twin-screw kneading extruder, and the temperature, pressure, viscosity, filler (filler) of the resin material during or after kneading. A state determined by the degree of dispersion or color of a silicate, a carbonate, or the like, or mechanical properties such as the strength of a molded article formed from the resin material.

Further, an information providing system for a twin-screw kneading extruder according to a fifth aspect of the present invention provides the information providing system according to any one of the first to fourth aspects.
Item, each time the data corresponding to the information provision request is transmitted to the user, the user is charged.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the drawings.

First, the configuration of the twin-screw kneading extruder will be described with reference to FIG. FIG. 1 is a schematic cross-sectional view of the twin-screw kneading extruder when viewed from the side.

The twin-screw kneading extruder 1 has an apparatus main body 3 provided with two chambers 2 parallel to each other, and two screws 4 rotatably provided in each chamber 2. . The apparatus main body 3 is formed by connecting a plurality of barrels 5 having a predetermined length in the axial direction. A resin material supply port 7 is provided on the upper surface of the rearmost barrel 5, and a take-out port is provided at the tip of the frontmost barrel 5. The mouth 8 is connected. A flow control device 9 for adjusting the flow rate of the resin material is provided in the barrel 5 substantially at the center.
Are provided on the upper surface of the barrel 5 on the downstream side thereof with filler supply ports 10 and 11 for supplying the filler.

Each screw 4 has a first feed portion 15, a first kneading portion 16, a second feed portion 17, a second kneading portion 18, a third feed portion 19,
(Intermediate omitted), the N-th kneading unit 20, and the N-th feed unit 21 are provided in this order. Further, a tip 4 a of each screw 4 is connected to a rotation drive device 25 via a shaft joint 24.

The resin material supplied from the resin material supply port 7 is supplied to the screw 4 which is rotationally driven by the rotary driving device 25.
Is melted while being conveyed to the downstream side, and further kneaded. That is, the resin material conveyed by the first feed unit 15 is kneaded in the first kneading unit 16,
It is conveyed by the feed unit 17 and kneaded in the second kneading unit 18. As described above, the N-th kneading units 20 and the N-th feed units 21 are provided alternately. In the kneading process, the filler is added from the filler supply ports 10 and 11, and the resin material is brought into a desired kneaded state. It is kneaded and extruded from the outlet 8. Here, the degree of kneading of the resin material varies depending on the screw segment configuration. Therefore, it is necessary to set the screw segment configuration in advance so that a desired resin material is kneaded.

Next, the configuration of an information providing system for the twin-screw kneading extruder according to the present embodiment will be described with reference to FIG. FIG. 2 is a block diagram of a computer that is an information providing system relating to the twin-screw kneading extruder according to the present embodiment, and a computer that is an information providing terminal device connected thereto via the Internet.

As shown in FIG. 2, a computer 30 as an information providing system according to the present embodiment includes a computer 40 as an information providing terminal device,
0 so that data can be transmitted and received between them.

The computer 30 has a CPU, ROM, R
A computer equipped with hardware (not shown) such as an AM, a hard disk, a drive for a CD or an FD, and various software including a GUI-based network OS and a WWW server application. And can be connected to the Internet 50 via.

The computer 40 has a CPU, ROM, R
It houses a hardware (not shown) such as an AM, a hard disk, a drive of a CD or an FD, and is a normal personal computer on which various software including a GUI-based OS and a WWW browser are installed. Internet 50 via communication equipment
And can be connected.

The computer 40 has a display 41 for displaying various information, and is connected to a keyboard 42 provided with various character keys and numeric keys.

On the hard disk of the computer 30,
A program for causing the computer 30 to function as an information providing system for a twin-screw kneading extruder (this program is installed on various computers by being recorded on a removable recording medium such as a CD-ROM, FD, or MO). Various software are recorded. Then, by combining these hardware and software, the request receiving unit 31 is provided in the computer 30.
, A data acquisition unit 32, a data storage unit 33, a segment configuration selection unit 34, and a data transmission unit 35. Further, the computer 30 is provided with a database 36 in which flow analysis data and kneading extrusion test data are stored.

The flow analysis data stored in the database 36 is obtained by modeling the segment configuration of a twin-screw kneading extruder by using a three-dimensional finite element method while variously changing the resin material used. This is obtained by a flow analysis performed by a flow analysis program that uses a computer. Also, by changing the size of the model of the twin-screw kneading extruder (for example, the diameter of the barrel 5, etc.), flow analysis is performed on a plurality of resin materials in a plurality of twin-screw kneading extruders of a plurality of sizes, thereby obtaining The obtained flow analysis data is stored.

In the request receiving section 31, the size of the twin-screw kneading extruder, the type of resin material used, and the like, which are the conditions when the user examines the segment configuration of the screw provided in the twin-screw kneading extruder, are described. An information transmission request including a condition is received from the client computer 40 via the Internet 50. The conditions such as the size of the twin-screw kneading extruder and the type of resin material used for the same are input by a keyboard 42 connected to the computer 40 so as to meet the conditions that the user wants to consider.
Further, the request receiving unit 31 transmits a signal indicating the content of the received information transmission request to the data capturing unit 32 and the segment configuration selecting unit 34, respectively.

In the data acquisition section 32, flow analysis data and kneading extrusion test data corresponding to the signal received from the request reception section 31 are extracted and imported from the database 36. Then, these captured data are transmitted to the data storage unit 33 and stored.

In the segment configuration selecting section 34, a screw segment configuration optimal for the conditions received from the user is selected based on the flow analysis data and the kneading extrusion test data stored in the data storage section 33. here,
When selecting the optimal screw segment configuration,
In addition to the kneading state of the resin material specified by the user, differences from the current screw segment configuration may be considered.

In the data transmission section 35, the data acquisition section 32
The flow analysis data and the kneading / extrusion test data taken in by the computer and the segment configuration selected by the segment configuration selection unit 34 are transmitted to the computer 40 via the Internet 50. Incidentally, only the flow analysis data and the kneading extrusion test data corresponding to the request received from the user may be transmitted without selecting the optimal segment configuration.

Next, a procedure for providing a user with information on the twin-screw kneading extruder according to the present embodiment will be described with reference to FIG. FIG. 3 is a flowchart sequentially showing operation steps in the information providing system regarding the twin-screw kneading extruder.

First, in step S101, the request receiving section 31 repeatedly determines whether or not a request for transmitting information on the twin-screw kneading extruder from the computer 40 has been received. The transmission request received here contains conditions such as the size of the twin-screw kneading extruder that the user wants to consider and the type of resin material used for the extruder. Then, when a transmission request for information on the twin-screw kneading extruder is received (S101: YES), the process proceeds to step S102.

In step S102, the computer 30
In the data acquisition unit 31, the flow analysis data and the kneading extrusion test data corresponding to the condition for which the transmission request from the computer 40 has been received are extracted from the database 36 and imported. Subsequently, in step S103, these data are stored in the data storage unit 33.

Next, in step S104, the optimum screw segment configuration under the condition of the transmission request is determined by referring to the flow analysis data and the kneading extrusion test data stored in the data storage unit 33 and the segment configuration selection unit 34. Is selected.

In step S105, the data storage unit 33
The flow analysis data and the kneading / extrusion test data stored in the storage unit, and the data on the optimal screw segment configuration selected by the segment configuration selection unit 34,
The data is transmitted to the computer 40 via the Internet 50.

As described above, according to the information providing system relating to the twin-screw kneading extruder of the present embodiment, the flow analysis data required when the user considers the screw segment configuration provided in the twin-screw kneading extruder. Can be obtained without developing or purchasing flow analysis technology,
The cost for introducing the flow analysis technology can be reduced. At the same time, the user can obtain corresponding data without repeatedly performing the kneading and extrusion test under various conditions (eg, screw segment configuration, extrusion conditions, and the like). Therefore, the user can carry out a highly accurate examination by associating the data for the flow analysis with the data for the kneading extrusion test. In addition, the user has the desired conditions (such as the size of the twin-screw kneading extruder and the type of resin material) when examining the segment configuration of the screw provided in the twin-screw kneading extruder.
, It is possible to receive a proposal for a screw segment configuration that is optimal for the condition.

In the present embodiment, the computer 40 is connected to the information providing system relating to the twin-screw kneading extruder via the Internet 50, and the conditions (temperature, pressure, viscosity, etc.) that the user wants to examine are determined by the keyboard 42. However, instead of the computer 40, a transmitting / receiving device connected to the twin-screw kneading extruder may be connected via the Internet 50. In this case, a plurality of sensors are arranged in the twin-screw kneading extruder, and the values detected by the sensors are automatically transmitted from the transmission / reception device to the computer 30 as the information providing system via the Internet 50 by the user. It is sent as a condition to be considered. The sensors arranged in the twin-screw kneading extruder include a thermometer, a pressure gauge and a viscometer, and the temperature, pressure or viscosity of the resin material being kneaded is transmitted to the computer 30 from the transmission / reception device. Is done.

In the present embodiment, flow analysis data meeting the conditions that the user wants to consider is extracted from the data stored in the database 36 in advance and is taken into the data taking section 32. Instead of the database 36, in the information providing system, a flow analysis for a condition that the user wants to consider may be performed, and flow analysis data derived by the flow analysis may be captured in the data capturing unit 32.

[0040]

As described above, claim 1 or claim 2
According to the user, when examining the segment configuration of the screw provided in the twin-screw kneading extruder, there is no need to develop or purchase flow analysis technology for performing flow analysis, and the cost for introducing flow analysis technology is reduced. Can be reduced.

According to the third aspect, when examining the segment configuration of the twin-screw kneading extruder, the user further repeatedly executes a kneading and extrusion test under various conditions (segment configuration, extrusion conditions, etc.) by trial and error. If not, you can get the corresponding data.
In particular, if the user associates the data for the flow analysis with the data for the kneading and extrusion test obtained here, it is possible to study the segment configuration with higher accuracy.

According to the fourth aspect, the user simply transmits desired conditions (size of the twin-screw kneading extruder, type of resin material, etc.) when examining the segment configuration of the screw provided in the twin-screw kneading extruder. Then, a proposal of a segment configuration most suitable for the condition can be received. In addition, since the information providing system can be used by a large number of users, the information providing system provider can understand the segment configuration of the screw required by the user. It becomes possible.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view of a twin-screw kneading extruder as viewed from a side.

FIG. 2 is a block diagram of an information providing system relating to a twin-screw kneading extruder according to an embodiment of the present invention and a computer connected to the system.

FIG. 3 is a flowchart sequentially showing operation steps in an information providing system relating to a twin-screw kneading extruder.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Twin-screw kneading extruder 2 Chamber 3 Device main body 4 Screw 5 Barrel 7 Resin material supply port 8 Take-out port 10, 11 Filler supply port 15, 17, 19, 21 Feed unit 16, 18, 20 Kneading unit 24 Shaft joint 25 Rotation drive device 31 Request receiving unit 32 Data capturing unit 33 Data storage unit 34 Segment configuration selecting unit 35 Data transmitting unit 36 Database 41 Display 42 Keyboard

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G06F 17/60 326 G06F 17/60 326 // B29K 101: 00 B29K 101: 00 (72) Inventor Katsunori Takahashi 2-3-1 Shinhama, Araimachi, Takasago City, Hyogo Prefecture Inside Kobe Steel, Ltd. Takasago Works (72) Inventor Shigehiro Kasai 2-3-1, Shinhama, Araimachi, Takasago City, Hyogo Prefecture F-term, Kobe Steel Works, Takasago Works (Reference) 4F201 BA01 BC01 BC02 BC06 BC12 BC37 BK02 BK13 BK27 BK49 4G035 AB39 AB41 4G078 AA01 AA20 AA26 AB05 BA01 BA07 CA21 DA09

Claims (5)

[Claims] 1. A screw segment provided in a twin screw kneading extruder having a plurality of sizes, a flow analyzing means capable of deriving flow analysis data for a plurality of different resin materials, and a twin screw kneading extruder. Request receiving means for receiving a request for information provision regarding a screw segment configuration from a user, and flow analysis data capturing means for capturing the flow analysis data corresponding to the information provision request from the flow analysis means, An information providing system for a twin-screw kneading extruder, comprising: a flow analysis data transmitting unit for transmitting the flow analysis data captured by the flow analysis data capturing unit to a user. 2. The information providing system according to claim 1, wherein said flow analysis means is a flow analysis database in which flow analysis data obtained in advance is stored. 3. A kneading machine for storing kneading / extrusion test data obtained by performing a kneading / extrusion test on a plurality of different resin materials in a screw segment configuration provided in each of a plurality of sizes of a twin-screw kneading / extruding machine. An extrusion test database; kneading / extrusion test data capturing means for capturing the kneading / extrusion test data corresponding to the information provision request from the kneading / extrusion test database; and the kneading captured by the kneading / extruding test data capturing means. An information providing system for a twin-screw kneading extruder, comprising: a kneading-extrusion test data transmitting unit for transmitting extrusion test data to a user. 4. A segment configuration selecting means for selecting a segment configuration of a screw provided in a twin-screw kneading extruder most suitable for a kneading state of a desired resin material included in the request for providing information, and the segment configuration. The biaxial according to any one of claims 1 to 3, further comprising a segment configuration data transmission unit for transmitting data relating to the segment configuration selected by the selection unit to a user. Information providing system for kneading extruders. 5. The user is charged for transmitting the data corresponding to the information provision request to the user.
An information providing system for the twin-screw kneading extruder according to any one of the above.