CN1246137C - Method and device for producing synthetic resin stick article - Google Patents
Method and device for producing synthetic resin stick article Download PDFInfo
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- CN1246137C CN1246137C CNB021081158A CN02108115A CN1246137C CN 1246137 C CN1246137 C CN 1246137C CN B021081158 A CNB021081158 A CN B021081158A CN 02108115 A CN02108115 A CN 02108115A CN 1246137 C CN1246137 C CN 1246137C
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- 239000000057 synthetic resin Substances 0.000 title claims abstract description 76
- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 claims abstract description 96
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 41
- 238000007906 compression Methods 0.000 claims description 41
- 238000001514 detection method Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 25
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 19
- 229920005992 thermoplastic resin Polymers 0.000 claims description 17
- 238000013461 design Methods 0.000 claims description 14
- 241000644035 Clava Species 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract 2
- 239000011247 coating layer Substances 0.000 abstract 1
- 238000004033 diameter control Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92114—Dimensions
- B29C2948/92123—Diameter or circumference
-
- 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
- B29C2948/92428—Calibration, after-treatment, or cooling zone
-
- 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
- B29C2948/92438—Conveying, transporting or storage of articles
-
- 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
- B29C2948/92504—Controlled parameter
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
-
- 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
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
- B29C2948/92619—Diameter or circumference
-
- 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
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- 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
- B29C2948/92923—Calibration, after-treatment or cooling zone
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A manufacturing method and an apparatus for manufacturing a bar-like material made of a synthetic resin, capable of preventing generation of a resin scrap by eliminating a necessity of a complicated maintenance. A fiber-reinforced synthetic resin or the like by extruders to cover the material with the resin, and then cools to solidify the resin to form a coating layer thereon. An outer diameter measuring instrument installed at the downstream side of the extruder. The controller controls the extruded amount of the synthetic resin of the extruder based on the manufacturing outer diameter value detected by the instrument, previously sets a deviation value and controls so that when a plurality of the manufactured outer diameters obtained by the instrument even once satisfies the value within the deviation value, the extruded amount of the extruder is maintained as it is.
Description
Technical field
The present invention relates on steel wire or fibre strengthening synthetic resin stick body etc., apply the synthetic resin stick article that the thermoplastic resin lining forms, for example, be used for supporting the manufacture method and the manufacturing installation of club of the anti-tension line etc. of the spiral spacer part that optical fiber uses.
Background technology
As the manufacture method and the manufacturing installation of synthetic resin stick article, for example, known for example spy opens disclosed technology in the flat 5-4272 communique.In the manufacture method of the disclosed synthetic resin stick article of this communique, its basic structure is, on continuous claval periphery with the fixing speed operation, push thermoplastic resin continuously with after being covered, the thermoplastic resin of cooling curing molten condition also forms coating, this coating extends through in the whole footpath device with regulation internal diameter, carries out the whole footpath of machinery under heating condition.
In the disclosed manufacture method of this communique, especially, measure the external diameter after synthetic resin stick article is put in order the footpath, by control the rotating speed of the gear pump of lining extruder corresponding to its measured value, attempt to make the uniform precisionization of external diameter.
But, in the manufacture method of this existing synthetic resin stick article, have technical problem described below.
That is, in the manufacture method that in above-mentioned communique, proposes, in order to control the amount of compression of lining extruder, and the rotating speed of adjustment gear pump, still, the maintenance in the stopping period till the gear pump starting bothers very much, when maloperation, may cause the breakage of gear pump.
And, in the manufacture method that above-mentioned communique proposes,, adopted the machining of utilizing whole footpath device to carry out in order to improve dimensional accuracy, still, the resin-lint of following cutting to produce causes the raw material loss, thereby wishes to improve.
Summary of the invention
The present invention proposes in view of the above problems, its objective is that providing a kind of does not need complicated standard to protect, and can not produce the manufacture method and the manufacturing installation of the synthetic resin stick article of resin-lint.
To achieve these goals, the present invention is a kind of manufacture method of synthetic resin stick article, continuously extrudedly on the steel wire of fixing speed operation and the plastic continuous claval periphery of fibre strengthening go out thermoplastic resin and be covered, afterwards, carry out cooling curing and form coating, in the manufacture method of this synthetic resin stick article, design external diameter value for the aforementioned synthetic resin stick article of manufacturing, but be set in advance in the deviate in the allowed band, behind aforementioned cooling curing, in the stipulated time aforementioned synthetic resin stick article is measured, when a plurality of manufacturing external diameter values of gained once satisfied value in the aforementioned deviate, then former state kept the amount of compression of aforementioned hot moldable resin;
And, adopt the manufacture method of the synthetic resin stick article of this structure, do not put in order footpath processing and can obtain the synthetic resin stick article that has high-precision manufacturing external diameter value with respect to design external diameter value yet, can not produce resin-lint.
The present invention is based on following illustrated reason, the above-mentioned control method that has adopted.
Promptly, in manufacture method as the synthetic resin stick article of object of the present invention, just change control when inconsistent whenever making external diameter value and predefined deviate to amount of compression, at this moment, have the variation be accompanied by amount of compression, make the external diameter value from the positively biased difference to the negative bias difference or produce the danger that so-called vibration (toning) phenomenon than cataclysm, promptly takes place on the contrary.
But, as object of the present invention, on to steel wire or fiber-reinforced resin system clava etc., apply in the manufacturing of synthetic resin stick article of thermoplastic resin lining, knowledge according to the inventor is judged, the external diameter precision is to make under the state of quite stable, external diameter value of making and predefined deviate be deviation slightly only, carry out to relate to the control to amount of compression of vibration (toning) phenomenon with it, not as adopting in case when satisfying value in the deviate value just former state fixedly keep the control method of the amount of compression of thermoplastic resin, the external diameter value that produces like this is more stable.
Therefore, in the present invention, adopt amount of compression control as previously described, adopt such control, avoided complicated operations, and because the deviate amplitude of setting is little, so can further improve the precision of making the external diameter value.
In the manufacture method of above-mentioned synthetic resin stick article, when measuring the manufacturing external diameter value of aforementioned synthetic resin stick article with the stipulated time, a plurality of manufacturing external diameter values at gained once do not reach under the situation of the value in the aforementioned deviate yet, can increase, subtract aforementioned amount of compression corresponding to the direction that departs from aforementioned deviate.
And, can obtain maximum and the minimum of a value of aforementioned manufacturing external diameter value in the aforementioned stipulated time, thereby judge whether these aforementioned deviates from peak to peak satisfy condition.
And then, utilize a plurality of extruders of multistage configuration to form aforementioned coating, the control of aforementioned amount of compression goes for being arranged on the extruder of afterbody.Aforementioned continuous clava forms circular cross-section, and aforementioned coating can be circular and be formed on the aforementioned continuous claval periphery.
And, the present invention is a kind of manufacturing installation of synthetic resin stick article, this manufacturing installation is used to utilize extruder to squeeze out thermoplastic resin continuously, and overlayed on the continuous claval periphery made from the steel wire or the fibre strengthening synthetic resin of fixing speed operation, afterwards, carry out cooling curing and form coating, in the manufacturing installation of this synthetic resin stick article, be furnished with: the downstream that is arranged on aforementioned extruder, the measuring outside diameter device of the manufacturing external diameter value of the aforementioned synthetic resin stick article behind the mensuration cooling curing, with according to the control part of amount of compression of controlling the aforementioned synthetic resin of aforementioned extruder by the detected aforementioned manufacturing external diameter value of aforementioned measuring outside diameter device, but aforementioned control part is set the deviate of conduct allowed band according to the design external diameter value of the aforementioned synthetic resin stick article that will make,, then control in case when satisfying the value that reaches within the aforementioned deviate when a plurality of manufacturing external diameter values that obtain by aforementioned measuring outside diameter device in the mode of the amount of compression that keeps the aforementioned extruder under this state.
Adopt the manufacturing installation of the synthetic resin stick article of this structure, the same with its manufacture method, do not need complicated maintenance, and can not produce resin-lint.
The control of aforementioned extruder amount of compression can be supplied to the rotating speed of mould conveying worm to carry out the aforementioned hot moldable resin by changing.
Aforementioned coating is to utilize a plurality of extruders of multistage configuration to form, and aforementioned control part is applicable to the extruder that is arranged on afterbody being carried out aforementioned amount of compression control.
Aforementioned control part when according to by the detected aforementioned manufacturing external diameter value of aforementioned measuring outside diameter device, when controlling the aforementioned synthetic resin amount of compression of aforementioned extruder, can preestablish the detection time of the detected value that obtains aforementioned measuring outside diameter device.
Aforementioned extruder is furnished with the mould of extruding aforementioned hot moldable resin, to the rotation control part of the conveying worm of aforementioned mould supply resin and the driving converter of aforementioned rotation control part, aforementioned control part can send the control signal that control aforementioned synthetic resin amount of compression to aforementioned driving with converter.
Aforementioned control part has the aforementioned deviate of setting and the board-like input unit of the touch of aforementioned detection time.
Description of drawings
Fig. 1 is the cutaway view of expression by an example of the club of making according to the manufacture method and the manufacturing installation of synthetic resin stick article of the present invention.
Fig. 2 is expression according to the manufacturing installation of synthetic resin stick article of the present invention
The configured in one piece figure of embodiment.
The flow chart of an example of Fig. 3 control sequence that to be expression undertaken by the control part of manufacturing installation shown in Figure 2.
The flow chart of an example of Fig. 4 control sequence that to be expression undertaken by the control part of manufacturing installation shown in Figure 2.
Fig. 5 is the key diagram that utilizes the judgement state that flow chart shown in Figure 4 carries out.
The specific embodiment
Explain preferred example of the present invention below with reference to the accompanying drawings.
Fig. 1 to Fig. 5 represent synthetic resin stick article of the present invention manufacture method and an embodiment of manufacturing installation.
In the manufacture method and manufacturing installation of the synthetic resin stick article shown in these figure, represent synthetic resin stick article 10 with horizontal section among Fig. 1, its basic structure is, the periphery of the continuous clava of making at the steel wire of advancing or fibre strengthening synthetic resin etc. 12 with fixing speed v, the thermoplastic resin of continuously extruded fusion also is covered with ring-type, afterwards, the thermoplastic resin of cooling molten condition forms coating 14.
Under the situation of present embodiment, it is D that continuous clava 12 has external diameter
0Circular cross-section, coating 14 is made of the first coating 14a and the second coating 14b that forms that is covered on the periphery of this first coating 14a that directly lining forms on the periphery of clava 12 continuously.
In this case, the external diameter when applying the ring-type first coating 14a of specific thickness on continuous clava 12 is D
1, the external diameter when applying the second coating 14a is D
2, this outer diameter D
2(design external diameter) becomes the design external diameter value of the synthetic resin clava 10 that will make.
In order to form such coating 14, under situation of the present invention, as shown in Figure 2, the extrusion molten thermoplastic resin once with second extruder 16,18 with the configuration of continuous two-step way.
The driving that once be furnished with mould 16a, the 18a of extrusion molten thermoplastic resin with second extruder 16,18, provides rotating speed control part 16b, the 18b of conveying worm of resin and each rotating speed control part 16b, 18b to each mould 16a, 18a is with converter 16c, 18c.
In the downstream of second extruder 18, the manufacturing external diameter value D that measures the synthetic resin stick article 10 behind the cooling curing is set
nMeasuring outside diameter device 20.Measuring outside diameter device 20 is synthesized resin system club 10 to be run through, and is furnished with the main body 20a that detects its external diameter, shows by the detected measured value display part of main body 20a 20b.
In addition, under the situation of present embodiment, in the cooling curing of synthetic resin stick article 10, adopt natural air cooling,, on the position of the necessary length of described cooling that is separated by, the main body 20a. of measuring outside diameter device 20 is set from the mould 18a of second extruder 18
In this case, the cooling means of synthetic resin stick article 10, the natural air cooling that is not limited in the present embodiment to be adopted also can adopt methods such as forced air-cooling or water-cooled, and, also can adopt the cooling means that their appropriate combination are got up.
Once be connected with line footpath control part 22 with each converter 16c, 18c of second extruder 16,18.Connect the control of wired footpath on the online footpath control part 22 and set the touch plate 24 of usefulness, and send the detection signal of measuring outside diameter device 20.
Line footpath control part 22 is accepted the detection signal of measuring outside diameter device 20, controls the amount of compression of the second extruder 18 that is configured in the last grade in mode as shown in Figure 3 and Figure 4.In addition, under the situation of present embodiment, extruder is two stage arrangement, with multistage formation coating 14, yet, because the manufacturing external diameter value D of the synthetic resin stick article 10 of manufacturing
nOnly the squeezed state with the extruder of the last grade is relevant, so under the situation of present embodiment, only in the following order the amount of compression of second extruder 18 of being configured in the last grade is controlled, be configured to the amount of compression of an extruder 16 of previous stage constant usually.
In Fig. 3 and control sequence shown in Figure 4, corresponding to the design external diameter value D of the synthetic resin stick article 10 that will make
2But, preestablish deviate δ as allowed band, (identical with detection time) measures the manufacturing external diameter value D of synthetic resin stick article 10 in required time
n, as a plurality of manufacturing external diameter value D that obtained by measuring outside diameter device 20
nIn case once satisfy when reaching deviate δ, then control in the constant mode of amount of compression that keeps second extruder 18 with interior value.
When it was described more specifically, at first, control sequence was: beginning, input goods title is followed in step 2 the design external diameter value D of the synthetic resin stick article 10 that input will be made in step 1
2
Secondly, in step 3, for design external diameter value D
2Input external diameter permissible variation value δ.This permissible variation value δ is used as design external diameter value D
2Higher limit DHi and lower limit DLo set, for example, the amplitude of this deviate δ is designed to ± 0.01mm.
Then, in step 4, set Looking Out Time T1 and T2.This Looking Out Time T1, T2 under the situation of present embodiment, are the manufacturing external diameter value D by the synthetic resin stick article 10 of measuring outside diameter device 20 mensuration
nThe used stipulated time, for example, detection time, T1 was set at 450 seconds, and same, T2 is set at 600 seconds.
As hereinafter described, detection time, T1 was at a plurality of manufacturing external diameter value D by measuring outside diameter device 20 gained
nReach under the situation of the value within the deviate δ in case once satisfy, to utilize the used minute of suitable measuring outside diameter device 20, detection time, T2 was at a plurality of manufacturing external diameter value D by measuring outside diameter device 20 gained
nOnce also do not satisfy and reach under the situation of the value within the deviate δ, utilize the used minute of suitable measuring outside diameter device 20.
Under the situation of present embodiment, resulting manufacturing external diameter value D in detection time T1
n, reach under the situation of the value within the deviate δ once also not satisfying owing to change the amount of compression of second extruder 18, so the used minute of measuring outside diameter device 20 thereafter, be detection time T2 longer than T1, strengthened the manufacturing outer diameter D
nThe monitoring that changes.
Then, in step 5, set the rotating speed of the conveying worm of second extruder 18, in step 6 subsequently, utilize measuring outside diameter device 20 to measure the manufacturing external diameter value D of synthetic resin stick body 10
n, to measure simultaneously with this, the timer of T1 detection time is set in starting.
The manufacturing external diameter value D of synthetic resin stick body 10
nMensuration, in step 7, continue to judge that timer is T1 detection time till, in this detection time T1, obtain a plurality of manufacturing external diameter value D
n, each makes external diameter value D
nBe stored in the memory of control part 22.
In step 7, experienced detection time during T1 when judging, timer is stopped, and transfer to step 9.In step 9, calculate a plurality of manufacturing external diameter value D of gained in detection time T1
nMaximum D
MaxWith minimum of a value D
Min
In step 10 subsequently, judge minimum of a value D
MinWhether than the design external diameter value D that in step 3, sets
2Lower limit DLo big, at minimum of a value D
MinUnder the little situation of lower limit DLo, be transferred to step 11.
In step 11, judge maximum D
MaxWhether big than lower limit DLo, at maximum D
MaxUnder the little situation of lower limit DLo, be transferred to step 12.
In step 12, the rotation of conveying worm is quickened to handle, so that the amount of compression of second extruder 18 is increased, this signal for faster is sent to the converter 18c of second extruder 18 from control part 22.
Carrying out such amount of compression increases and handles, arrive in the said sequence of steps 12 through step 10 and 11, as among Fig. 5 1. shown in, try hard to make the manufacturing external diameter value D that measures in the T1 in detection time
nMaximum D
MaxWith minimum of a value D
MinSimultaneously less than the lower limit DLo of predefined deviate δ, owing to depart from downwards from these values, thereby so that manufacturing external diameter value D
nMode greater than lower limit DLo increases amount of compression.
When such processing finishes, in step 13, timer is set T2 detection time, in step 14, judge that whether external diameter control finishes, and under the situation of proceeding external diameter control, returns step 6.
On the one hand, in step 11, judging maximum D
MaxThan being transferred to step 15 under the big situation of lower limit DLo, in this step, judge maximum D
MaxWhether little than higher limit DHi.
In step 15, be judged as maximum D
MaxUnder the big situation of higher limit DHi, as among Fig. 5 2. shown in because the manufacturing external diameter value D that measures in the T1 in detection time
nMaximum D
MaxWith minimum of a value D
MinCross over lower limit DLo and the higher limit DHi of predefined deviate δ, so make external diameter value D in order to make
nBe positioned at this scope, in step 16, send reduce-speed sign or signal for faster, be transferred to step 13 to second extruder 18.
In addition, among Fig. 5 2. shown in state, that is, make external diameter value D
nMaximum D
MaxWith minimum of a value D
MinThe interval bigger than the amplitude of predefined deviate δ, form the state of crossing over lower limit DLo and higher limit DHi, consider that from the aspects such as manufacturing stability of synthetic resin stick article 10 this almost is impossible.
Yet, its incidence and non-vanishing, when this thing happens, owing to exceeded the control range of manufacturing installation, thereby, in the present embodiment, having designed step 17,18 etc., can tackle it.
And, in step 15, judging maximum D
MaxUnder the little situation of higher limit DHi, as among Fig. 5 3. shown in, the manufacturing external diameter value D that measures in the T1 in detection time
nMaximum D
MaxWith minimum of a value D
MinCross over the lower limit DLo of predefined deviate δ, made external diameter value D
nHave at least once to be judged as and satisfy permissible variation value δ.
When this judgement occurring, to second extruder 18, do not transmit control signal from control part 22, it is constant that amount of compression is kept intact, and in step 16, timer set T1 detection time, is transferred to step 14.
On the other hand, in step 10, judging minimum of a value D
MinUnder the big situation of lower limit DLo, be transferred to step 17, in step 17, judge minimum of a value D
MinWhether little than higher limit DHi.
In step 17, judging minimum of a value D
MinUnder the little situation of higher limit DHi, as among Fig. 5 4. shown in, at maximum D
MaxLittler or in any case big than higher limit DHi, make external diameter value D owing to can judge
nHave complete fulfillment permissible variation value δ at least, so, in this case, to second extruder 18, not transmitting control signal from control part 22, it is constant that amount of compression is kept intact, and in step 16, timer set T1 detection time, is transferred to step 14.
And, in step 17, be judged as minimum of a value D
MinUnder the big situation of higher limit DHi, as among Fig. 5 5. shown in, the manufacturing external diameter value D that measures in the T1 in detection time
nMaximum D
MaxWith minimum of a value D
Min, the higher limit DHi than predefined deviate δ is big simultaneously, owing to depart from upward from these values, so must be so that make external diameter value D
nThe mode littler than higher limit DHi tries hard to reduce amount of compression.
At this, when in step 17, carrying out such judgement, in step 18, to carry out the conveying worm rotation deceleration of second extruder 18 and handle, this reduce-speed sign is sent to the converter 18c of second extruder 18 from control part 22.
And, when such processing finishes, in step 19, timer is set T2 detection time, in step 14, judge whether external diameter control finishes, and under the situation of proceeding external diameter control, returns step 6, when finishing external diameter control, finishes said sequence.
Adopt manufacture method and manufacturing installation, do not put in order footpath processing, just can obtain to have corresponding to design external diameter value D by the synthetic resin stick article 10 of above-mentioned formation
2High accuracy make external diameter value D
nSynthetic resin stick article 10, do not need to put in order footpath processing, can not produce resin-lint.
And, in the present embodiment, for the design external diameter value D of the synthetic resin stick article 10 that will make
2But, preestablish deviate δ as allowed band, behind cooling curing, measure the manufacturing external diameter value D of synthetic resin stick article 10 with the stipulated time (T1 detection time)
n, as a plurality of manufacturing external diameter value D of gained
nWhen once satisfying the value within the deviate δ, then keep the amount of compression former state of thermoplastic resin constant.
Adopt such control method to be based on following illustrated reason in the present embodiment.
That is, in the manufacture method of synthetic resin club 10, whenever making external diameter value D
nWhen departing from predefined deviate δ and just changing the control of amount of compression, be accompanied by the variation of amount of compression, make external diameter value D
nDeviate δ changes to minus side significantly from positive side what is called vibration (toning) phenomenon may appear.
But, as object of the present invention, on to steel wire or fiber-reinforced resin system clava 12 etc., apply in the manufacturing of synthetic resin stick article 10 of thermoplastic resin lining, judge according to the inventor's knowledge, external diameter is to make under the state of quite stable, makes external diameter value D
nWith predefined deviate δ deviation slightly only, carry out the control of the amount of compression relevant with it with vibration (toning) phenomenon, not as adopting when if complete fulfillment reaches value in the deviate value just former state fixedly keep the control method of the amount of compression of thermoplastic resin, the external diameter value that produces like this is more stable.
Therefore, in the present embodiment, adopt following control method, that is, calculate and make external diameter value D predefined detection time in the T1
nMaximum D
MaxWith minimum of a value D
MinJudge whether to satisfy deviate δ from these values, as long as when once satisfying the value that reaches within the deviate δ, then make the amount of compression of thermoplastic resin keep intact constant to control, adopt such control, avoided complicated operations, and, for example, can realize making external diameter value D by the amplitude of the deviate δ that reduces to set
nHigh precision int.
In addition,, in the above-described embodiments, the situation that is extruder 16, the 18 manufacturing synthetic resin stick articles 10 of two stage arrangement with employing is that example describes, and still, embodiments of the invention are not limited thereto, extruder also can be one, and, be preferably multistage more than three grades.
The effect of invention
As top detailed description the in detail, adopt according to synthetic resin stick article of the present invention Manufacture method and manufacturing installation do not need complicated maintenance, and can not produce resin-lint.
Claims (10)
1, a kind of manufacture method of synthetic resin stick article, continuously extrudedly on steel wire of advancing and the plastic continuous claval periphery of fibre strengthening go out thermoplastic resin and be covered with fixing speed, afterwards, carry out cooling curing and form coating, it is characterized in that, the design external diameter value of the aforementioned synthetic resin stick article of making for need, but be set in advance in deviate in the allowed band; Behind aforementioned cooling curing, in the stipulated time aforementioned synthetic resin stick article is measured; When resulting a plurality of manufacturing external diameter values have once satisfied value in aforementioned deviate, then former state keeps the amount of compression of aforementioned hot moldable resin, when measuring the manufacturing external diameter value of aforementioned synthetic resin stick article with the stipulated time, do not satisfy under the situation of the value in the aforementioned deviate in resulting a plurality of manufacturing external diameter values, direction corresponding to departing from from aforementioned deviate increases, subtracts aforementioned amount of compression.
2, the manufacture method of synthetic resin stick article as claimed in claim 1 is characterized by, and obtains maximum and the minimum of a value of aforementioned manufacturing external diameter value in the aforementioned stipulated time, judges whether these maximums or minimum of a value satisfy aforementioned deviate.
3, as the manufacture method of any one described synthetic resin stick article in the claim 1 to 2, utilize a plurality of extruders that are multistage configuration to form aforementioned coating, the control of aforementioned amount of compression is used to be arranged on the extruder of afterbody.
4, as the manufacture method of any one described synthetic resin stick article in the claim 1 to 3, it is characterized by, aforementioned continuous clava forms circular cross-section, and aforementioned coating forms circular on aforementioned continuous claval periphery.
5, a kind of manufacturing installation of synthetic resin stick article, this manufacturing installation is used to utilize extruder to squeeze out thermoplastic resin continuously, and overlayed on the continuous claval periphery that the steel wire of advancing with fixing speed or fibre strengthening synthetic resin makes, afterwards, carry out cooling curing and form coating, it is characterized in that this manufacturing installation is furnished with: be arranged on aforementioned extruder the downstream, measure the measuring outside diameter device of the manufacturing external diameter value of the aforementioned synthetic resin stick article behind the cooling curing; With according to by the detected aforementioned manufacturing external diameter value of aforementioned measuring outside diameter device, control the control part of amount of compression of the aforementioned synthetic resin of aforementioned extruder;
Aforementioned control part is according to the design external diameter value of the aforementioned synthetic resin stick article that will make, but preestablishes the deviate as allowed band; When a plurality of manufacturing external diameter values that obtained by aforementioned measuring outside diameter device had one to satisfy the value that reaches within the aforementioned deviate, then control made the amount of compression of aforementioned extruder remain unchanged.
6, the manufacturing installation of synthetic resin stick article as claimed in claim 5 is characterized by, and the amount of compression control of aforementioned extruder is to be supplied to the rotating speed of the conveying worm of mould to carry out the aforementioned hot moldable resin by changing.
7, as the manufacturing installation of claim 5 or 6 described synthetic resin stick articles, it is characterized by, a plurality of extruders that utilization is multistage configuration form aforementioned coating, aforementioned control part be applicable to the control with aforementioned amount of compression be arranged at afterbody extruder.
8, as the manufacturing installation of any one described synthetic resin stick article in the claim 5 to 7, it is characterized by, aforementioned control part preestablishes the detection time of the detected value that obtains aforementioned measuring outside diameter device when controlling the amount of compression of aforementioned synthetic resin of aforementioned extruder by the detected aforementioned manufacturing external diameter value of aforementioned measuring outside diameter device.
9, as the manufacturing installation of any one described synthetic resin stick article in the claim 5 to 8, it is characterized by, aforementioned extruder is furnished with the mould of extruding aforementioned hot moldable resin, to the conveying worm rotation control part of aforementioned mould supply resin and the driving converter of aforementioned rotation control part, aforementioned control part sends the control signal of controlling aforementioned synthetic resin amount of compression to aforementioned driving with converter.
10, as the manufacturing installation of any one described synthetic resin stick article in the claim 5 to 9, it is characterized by, aforementioned control part has the aforementioned deviate of setting and the touch plate type input unit of aforementioned detection time.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001090757A JP2002283440A (en) | 2001-03-27 | 2001-03-27 | Method and apparatus for manufacturing bar-like material made of synthetic resin |
| JP090757/2001 | 2001-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1377764A CN1377764A (en) | 2002-11-06 |
| CN1246137C true CN1246137C (en) | 2006-03-22 |
Family
ID=18945500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021081158A Expired - Fee Related CN1246137C (en) | 2001-03-27 | 2002-03-27 | Method and device for producing synthetic resin stick article |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2002283440A (en) |
| KR (1) | KR100874629B1 (en) |
| CN (1) | CN1246137C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326684C (en) * | 2003-10-28 | 2007-07-18 | 北京化工大学 | Internal hole shaping method for extruded plastic product |
| JP4543279B2 (en) * | 2004-03-31 | 2010-09-15 | Ｄｏｗａメタルテック株式会社 | Manufacturing method of aluminum joining member |
| DE102006058754B4 (en) * | 2006-12-04 | 2015-07-16 | Sikora Aktiengesellschaft | Method for operating a production plant for producing a cable |
| CN102107078A (en) * | 2009-12-23 | 2011-06-29 | 合肥杰事杰新材料有限公司 | Method for manufacturing all-plastic martial rod |
| JP5455066B2 (en) * | 2010-09-09 | 2014-03-26 | 宇部エクシモ株式会社 | Manufacturing method of optical fiber storage spacer |
| CN111844689A (en) * | 2020-06-15 | 2020-10-30 | 江苏通光信息有限公司 | Production line intelligent linkage control mode of extrusion molding equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5438363A (en) * | 1977-08-31 | 1979-03-22 | Toyoda Gosei Co Ltd | Apparatus for automatic regulation of outer diameter of extrusion molded product |
| JPH054272A (en) * | 1991-06-25 | 1993-01-14 | Ube Nitto Kasei Co Ltd | Manufacture of bar-like synthetic resin matter and device therefor |
| JPH08281778A (en) * | 1995-04-12 | 1996-10-29 | Yokohama Rubber Co Ltd:The | Method and apparatus for detecting extrusion pulsation in extruder |
| JPH09193233A (en) * | 1996-01-12 | 1997-07-29 | Sekisui Chem Co Ltd | Extrusion molding apparatus for thermoplastic resin pipe |
| JPH1128758A (en) * | 1997-07-10 | 1999-02-02 | Sekisui Chem Co Ltd | Production of synthetic resin pipe |
| KR100832987B1 (en) * | 2002-04-23 | 2008-05-27 | 주식회사 포스코 | An apparatus for measuring the outside diameter of a rolling roll |
-
2001
- 2001-03-27 JP JP2001090757A patent/JP2002283440A/en active Pending
-
2002
- 2002-03-12 KR KR1020020013208A patent/KR100874629B1/en active IP Right Grant
- 2002-03-27 CN CNB021081158A patent/CN1246137C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002283440A (en) | 2002-10-03 |
| CN1377764A (en) | 2002-11-06 |
| KR20020075715A (en) | 2002-10-05 |
| KR100874629B1 (en) | 2008-12-17 |
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