CN102534953B - Ejection-period setting method for sub-nozzles in air jet loom - Google Patents
Ejection-period setting method for sub-nozzles in air jet loom Download PDFInfo
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- CN102534953B CN102534953B CN201110362197.XA CN201110362197A CN102534953B CN 102534953 B CN102534953 B CN 102534953B CN 201110362197 A CN201110362197 A CN 201110362197A CN 102534953 B CN102534953 B CN 102534953B
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- auxiliary jet
- reduction
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
- D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
- D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
- D03D47/3026—Air supply systems
- D03D47/3033—Controlling the air supply
- D03D47/304—Controlling of the air supply to the auxiliary nozzles
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- Textile Engineering (AREA)
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Abstract
An ejection-period setting method for sub-nozzles (21) in an air jet loom is provided. The sub-nozzles (21) are divided into groups (1G to 13G) of sub-nozzles (21) that are connected to a common electromagnetic on-off valve (36). The groups (1G to 13G) are divided into downstream and upstream group sets (GU1 and GU3) which each include two or more groups and an intermediate group set (GU2) including the remaining groups. Ejection-amount reducing patterns (patterns hereinafter) are determined and stored in advance in an arbitrarily selectable state, each pattern being determined by setting an ejection-period reducing mode for each of subject group sets in units of predetermined periods so that each pattern includes the ejection-period reducing modes for all of the subject group sets, the subject group sets including the intermediate and upstream group sets (GU2 and GU3). In a process of setting the ejection periods of the sub-nozzles (21), ejection end times of the ejection periods are corrected when a pattern is selected by an operator.
Description
Technical field
The present invention relates to set the method for (m-injection end time when injection beginning) between the injection period of auxiliary jet in air injection loom.
Background technology
In air injection loom, along many auxiliary jets of wefting insertion path configurations, it carries out wefting insertion by carry out air injection during predefined to the weft yarn penetrating from main burner.Usually, described many auxiliary jets are configured to: put in order by it, be multiplely divided into one group, the each auxiliary jet belonging in same group is connected with shared switch valve, side by side sprays.Such group is called " auxiliary jet group " in the present invention.And as shown in Figure 6, with when the wefting insertion, each auxiliary jet group is set between injection period from the mode that starts for yarn side to spray by the property taken over that puts in order.
But, while setting between the injection period of above-mentioned each auxiliary jet group, generally only consider from the angle of wefting insertion stability, so, might not be to be set in required Min., sometimes also can there is the superfluous situation of setting.That is if only considered from the angle of wefting insertion stability, as long as make between the air injection period of each auxiliary jet group long enough just passable, but this will cause air emitted dose to increase, and therefore be unfavorable for energy-conservation (cutting down air emitted dose).
So patent documentation 1 discloses a kind of establishing method, it related between the injection period of auxiliary jet, and object is the reduction of the stability and the air emitted dose that simultaneously realize wefting insertion.The establishing method of patent documentation 1 is done to simple declaration below.
First, for each auxiliary jet group by between predefined injection period, carry out the change of advanced injection end time, make between the injection period by the anti-auxiliary jet group for yarn side, only to cut down the predefined small time.Then, under this state, try wefting insertion and detect time of advent of weft yarn, if its detected value is below desired value, between the injection period for an auxiliary jet group of the upstream side of wefting insertion direction, also carry out same change.On the contrary, if detected value exceeds desired value, described change is returned to original state, end setup.Even if described change proceeds to by the auxiliary jet group for yarn side, but detected value is when be still desired value following, again from the auxiliary jet group of yarn side, carrying out above-mentioned change by instead supplying by putting in order.Like this, spray the end time from starting to change by putting in order by the anti-auxiliary jet group for yarn side, the state in the time of advent below the object time, in the scope of the state that wefting insertion is stably carried out, just can realize subduing of air emitted dose.
Prior art document
Patent documentation
Patent documentation 1: Japanese kokai publication hei 5-86542 communique
Can find out from the establishing method of above-mentioned patent documentation 1, its technological thought is only: from leaning on most the anti-auxiliary jet group that supplies yarn side, by putting in order the advanced injection end time.In this case, from starting number by anti-for yarn side, the reduction that is positioned at the air emitted dose of second group of later each auxiliary jet group is equal to or less than the reduction of the air emitted dose of the auxiliary jet group that is positioned at its wefting insertion direction downstream.
But, such establishing method realize aspect the subduing of air emitted dose not talkative very abundant.Below, be elaborated.
Be located in the anti-auxiliary jet group for yarn side, their injection not only has the effect of transporting weft yarn, also have to final with specific length by near the application of force weft yarn leading section of wefting insertion, and in the effect of front weft traction.Therefore, it is limited cutting down between the injection period relevant to its air emitted dose, if cut down excessively, weft yarn first occurred laxly before being interweaved by warp thread, caused producing in fabric fault.
On the other hand, be located in the auxiliary jet group of wefting insertion direction medial side, for compared with the auxiliary jet group of yarn side, cut down between its injection period the impact that wefting insertion (time of advent, weft yarn lax etc.) is caused less with anti-, therefore, can cut down between injection period largelyr.
But, in the establishing method of described patent documentation 1, just can not cut down between the injection period near the auxiliary jet group for yarn side if do not cut down between the injection period of the anti-auxiliary jet group for yarn side, so can not make the reduction between the injection period of the auxiliary jet group that is positioned at wefting insertion direction medial side be greater than the reduction between the injection period that is positioned at the anti-auxiliary jet group for yarn side.Therefore, can not cut down fully air emitted dose.
Summary of the invention
The present invention In view of the foregoing, provides a kind of establishing method, in air injection loom, can be suitably and easily carry out the setting between the injection period of auxiliary jet group, and this setting can realize the reduction of stability and the air emitted dose of wefting insertion simultaneously.
The present invention is taking following air injection loom as prerequisite: will be divided into many one group and be connected with shared switch valve along many auxiliary jets of wefting insertion path configurations, form multiple auxiliary jet groups, and, between the injection period setting in each group of described multiple auxiliary jet groups, carry out air injection by each auxiliary jet group, the weft yarn penetrating from main burner is accepted the boosting that described air sprays, and carries out wefting insertion.
Between the injection period of the auxiliary jet of described air injection loom, establishing method is, described multiple auxiliary jet components are become to auxiliary jet cohort, the auxiliary jet cohort of upstream side and the auxiliary jet cohort of 1 above middle reaches side in downstream, the auxiliary jet cohort in described downstream comprises the auxiliary jet group of leaning on anti-confession yarn side most, and is made up of 2 above auxiliary jet groups, the auxiliary jet cohort of described upstream side comprises by the auxiliary jet group for yarn side, and is made up of 2 above auxiliary jet groups, the auxiliary jet cohort of described 1 above middle reaches side is made up of the auxiliary jet group beyond the included auxiliary jet group of each auxiliary jet cohort of downstream and upstream side, and, at least taking the auxiliary jet cohort of described middle reaches side and the auxiliary jet cohort of described upstream side as object, by during described each auxiliary jet cohort as object individually being specified predetermine being the reduction pattern between the injection period of 1 unit, thereby determine air emitted dose reduction pattern with multiple different contents, described air emitted dose reduction pattern comprises with respect to the reduction pattern between indivedual injection periods of all auxiliary jet cohorts as described object, and, pre-stored determined multiple air emitted doses are cut down pattern, and be set as selecting arbitrarily, between the injection period of setting each auxiliary jet time, at random select described multiple air emitted dose to cut down pattern by operating personnel, cut down pattern according to this selecteed air emitted dose, the injection end time in setting value between the injection period that makes to set is revised.
" setting value between the injection period of setting " according to the weaving condition of setting (for example can be, the rotation number of loom, fabric width, weft yarn kind etc.) initial set value that calculates can be also that this initial set value is carried out to revised setting value.
Air sprays reduction pattern and is not limited between the injection period of cutting down as all auxiliary jet groups of object, as long as cutting down as between at least one injection period in all auxiliary jet groups of object.Therefore, for example, upstream side and middle reaches side as the auxiliary jet group of object, the air emitted dose pattern of cutting down can be reduction pattern using between injection period for the auxiliary jet cohort of middle reaches side as " 1 " unit, for the auxiliary jet cohort of upstream side as the pattern of " 0 " unit, can be maybe as " 0 " unit for the auxiliary jet cohort of middle reaches side, for the auxiliary jet cohort of upstream side, as the pattern of " 1 " unit, or can be also all as the pattern of " 1 " unit etc. for the auxiliary jet cohort of upstream side and middle reaches side.Except this example, as the pattern that is applicable to cutting down air emitted dose, there is the pattern of following record.
Described multiple air emitted dose reduction pattern comprises the 1st reduction pattern and the 2nd reduction pattern, described the 1st reduction pattern is at least to cut down between the injection period of auxiliary jet cohort of upstream side, and reduction is equal to or less than reduction between the injection period of auxiliary jet cohort of upstream side between the injection period of the auxiliary jet cohort of middle reaches side; Between the injection period of the auxiliary jet cohort that described the 2nd reduction pattern is middle reaches side, reduction is greater than reduction between the injection period of other auxiliary jet cohorts.
Described the 1st reduction pattern comprises that between the injection period of reduction and the auxiliary jet cohort of middle reaches side between the injection period of auxiliary jet cohort of upstream side, reduction is identical, and different multiple reduction patterns of reduction as a whole; Described the 2nd reduction pattern comprises the different multiple reduction patterns of reduction between the injection period of auxiliary jet cohort of middle reaches side.
Described air injection loom is not limited in the loom with the weft inserting apparatus for carrying out monochromatic wefting insertion, can be also the loom with the weft inserting apparatus (multicolor weft insertion device) for carrying out multicolor weft insertion.As preference of the present invention, as described below.
Described air injection loom is the loom with the multicolor weft insertion device being made up of multiple wefting insertion series, wherein, each wefting insertion series is carried out to the correction of described injection end time.
Compared with prior art, the invention has the beneficial effects as follows: according to the present invention, needn't stick to the reduction of (air emitted dose) between the injection period of auxiliary jet cohort in downstream, operating personnel can at random select air emitted dose to cut down pattern, the reduction of setting air emitted dose, therefore, for example, can further shorten between the injection period of auxiliary jet cohort of the middle reaches side less on wefting insertion impact, under the prerequisite that realizes desirable wefting insertion, the more effectively reduction of setting air emitted dose.In addition, owing to can at random selecting pre-stored multiple air emitted doses cut down pattern and set, therefore, operating personnel can easily set.
Brief description of the drawings
Fig. 1 represents the key diagram of the major part of the weft inserting apparatus of air injection loom;
The key diagram of the display frame of set and display device when Fig. 2 represents to select air emitted dose to cut down pattern;
Fig. 3 represents the key diagram of air emitted dose reduction pattern in detail;
Fig. 4 represents the key diagram of the air emitted dose reduction pattern of variation in detail;
Fig. 5 represents the key diagram of the air emitted dose reduction pattern of variation in detail;
Fig. 6 represents the chart between the general injection period of auxiliary jet of existing air injection loom.
Symbol description
11 weft inserting apparatuss 12 are for yarn body frame
13 for yarn body 14 weft yarns
15 length measuring weft storing device 16 reel for yarns are around arm
17 drum barrel 81 engagement pins
19 operator 20 main burners
21 auxiliary jet 22 warp thread
23 opening 24 reeds
25 26 fells of weaving cotton cloth
27 for yarn cutter
30 feeler head 31 feeler heads
32 pressure air source 33 pressure regulators
34 electromagnetic switch valve 35 pressure regulators
36 electromagnetic switch valves
40 main shaft 41 encoders
42 loom control device 42a main control units
43 Weft insertion controller 44 wefting insertion control parts
45 weft yarns are selected signal generation 46 set and display devices
47 set and display device 48 ports
49 memories
50 CPU
C1 color C2 color
C3 color
S1 weft yarn is selected signal θ angle
Detailed description of the invention
Shown in Fig. 1, as an example of the applicable air injection loom of the present invention, there is the major part of the loom of multicolor weft insertion device.In Fig. 1, although only represented 3 wefting insertion series, be actually the 6 look weft inserting apparatuss with 6 wefting insertion series.After, will describe according to this prerequisite.In addition, this 6 look weft inserting apparatus is equivalent to multicolor weft insertion device of the present invention.Here said " wefting insertion series " refers to, in order to realize the group under multiple wefting insertion relevant apparatus (length measuring weft storing device 15, main burner 20, auxiliary jet 21 etc.) that wefting insertion moves by co-operating.But auxiliary jet 21 is all wefting insertion series to be shared.
In the weft inserting apparatus 11 of Fig. 1, color C1, C2, C3 ... weft yarn 14 from being drawn for yarn body 13 of supporting for yarn body frame 12, import the reel for yarn of for example drum length measuring weft storing device 15 around the inside of arm 16, when the outer peripheral face of drum barrel 17 that is inactive state is by 18 engagements of engagement pin, be wound onto the outer peripheral face of drum barrel 17 around rotatablely moving of arm 16 by reel for yarn.With this, the weft yarn 14 of a wefting insertion Len req is wound onto the outer peripheral face of drum barrel 17, and by storage latitude during to the wefting insertion of weft yarn 14.
Length measuring weft storing device 15 (reel for yarn rotatablely moves and the advance and retreat motion of engagement pin 18 around arm 16) and wefting insertion described later main burner 20, by the wefting insertion control part 44 of loom control device 42, move according to the weft yarn selecting sequence of wefting insertion pattern defined.
In the wefting insertion time started, the engagement pin 18 corresponding with the weft yarn 14 of selecting by wefting insertion control part 44 driven by operator 19, while retreating from the outer peripheral face of drum barrel 17, the weft yarn 14 that is wound onto a wefting insertion Len req of drum barrel 17 peripheries is on drum barrel 17 can release conditions.Then, from drum barrel 17 by break-through to wefting insertion with the weft yarn 14 main burner 20 by the injection action of main burner 20, after drum barrel 17 discharges by wefting insertion.
The main burner 20 corresponding with selecteed weft yarn 14, start pressure air to spray towards the opening 23 of warp thread 22 in the wefting insertion time started of setting, and, set injection period between sustained firing, with this by the weft yarn of specific length 14 penetrate and wefting insertion in opening 23.Move by this wefting insertion, weft yarn 14 flies along the wefting insertion path in opening 23.In addition, pressure air is provided by pressure air source 32, is adjusted into after the air pressure that is applicable to wefting insertion by pressure regulator 33, is fed in main burner 20 through electromagnetic switch valve 34.Electromagnetic switch valve 34 is by the control of wefting insertion control part 44, according to the weft yarn selecting sequence action of wefting insertion pattern defined.
As mentioned above, the corresponding 6 look wefting insertion of weft inserting apparatus 11 of Fig. 1, the in the situation that of 2 look above wefting insertion, arrange for yarn body 13, length measuring weft storing device 15 and main burner 20 etc. according to the quantity of polychrome (radical of weft yarn), and make its weft yarn selecting sequence by wefting insertion pattern defined carry out wefting insertion action.If monochromatic wefting insertion, only need arrange 1 and supply 15 and 1 main burner 20 of 13,1 length measuring weft storing device of yarn body etc.
The weft yarn 14 penetrating from main burner 20 is along the process of the wefting insertion path flight in opening 23, and many auxiliary jets 21 are by pressure air towards wefting insertion path, and the heading of weft yarn 14 sprays with taking over, and, by aloft weft yarn 14 along wefting insertion direction boosting.More particularly, described many auxiliary jets 21 are along the configuration of turning up the soil of wefting insertion route interval, and, from for yarn side towards anti-for yarn side, many (illustrated example is 4) one group is connected to shared electromagnetic switch valve 36.Like this, form an auxiliary jet group by the many auxiliary jets 21 that are connected to shared electromagnetic switch valve 36.In the drawings, auxiliary jet group from by for yarn side, be expressed as by putting in order 1G, 2G ... in addition, in Fig. 1, although only represented 4 electromagnetic switch valves 36, be in fact equipped with 13 electromagnetic switch valves 36.As the device that is formed with 13 auxiliary jet groups, will be explained below.
Pressure air is provided by pressure air source 32, is adjusted into after suitable air pressure by pressure regulator 35, is fed in the auxiliary jet 21 of each auxiliary jet group through each electromagnetic switch valve 36.When wefting insertion, each electromagnetic switch valve 36 is under the control of wefting insertion control part 44, between the injection period of setting (m-injection end time when injection beginning), pressure air is supplied in the auxiliary jet 21 of corresponding auxiliary jet group, and, make auxiliary jet 21 expulsion pressure air by aloft weft yarn 14 along wefting insertion direction boosting.
The injection action of the auxiliary jet 21 by main burner 20 and each auxiliary jet group, make weft yarn 14 by normal wefting insertion, now, the beating motion of this weft yarn 14 by reed 24 is beaten at 25 the fell 26 of weaving cotton cloth, and inweave and weave cotton cloth in 25, afterwards, cut off for yarn cutter 27 in wefting insertion side, separated with the weft yarn 14 of main burner 20 inside.The signal of feeler head 30,31 outputs that arrive according to detection weft yarn 14 in addition, judges whether wefting insertion normally carries out.
Loom control device 42 is made up of main control unit 42a and Weft insertion controller 43 (comprising wefting insertion control part 44 and weft yarn selection signal generation 45).In order to detect the anglec of rotation θ of main shaft 40, on main shaft 40, be connected with encoder 41, encoder 41 produces the signal of the anglec of rotation θ of main shaft 40 while weaving, and transfers the signal to the in wefting insertion control part 44 and the weft yarn selection signal generation 45 etc. of main control unit 42a, Weft insertion controller 43.
Main control unit 42a is according to the main motion of the signal controlling loom of the anglec of rotation θ of main shaft 40 or stop.The weft yarn of Weft insertion controller 43 selects signal generation 45 to hold the weave cycle of loom according to the anglec of rotation θ from encoder 41, and select weft yarn 14 according to the predefined weft yarn selecting sequence of wefting insertion pattern, select signal S1 to send in wefting insertion control part 44 weft yarn corresponding with selecteed weft yarn 14.Wefting insertion control part 44 is according to the controlling value of setting, on the basis of suitable anglec of rotation θ, control the action of length measuring weft storing device 15, main burner 20 and the auxiliary jet 21 etc. of the wefting insertion series corresponding with selecteed weft yarn 14, and moved by the wefting insertion of the corresponding selecteed weft yarn 14 of wefting insertion series execution.
Above-mentioned loom control device 42 is configured the combination of the module different as function.This loom control device 42 both can combine by the device of each module composition and realize, also the software of regulation can be installed in computer, and form the input and output device, storage device, operation control device of computer and each module of software collaboration action by carrying out this software, and realize by these modules.
For main control unit 42a and Weft insertion controller 43 are exchanged to data of weaving condition etc., be provided with can two-way communication set and display device 46 as setting apparatus.
Set and display device 46 has set and display device 47, port 48, as the memory 49 of storage part and as the CPU50 of handling part.Port 48 receives data (comprising various signals) from set and display device 47, CPU50 and loom control device 42, and between them, carries out transmission and the reception of data.
Memory 49 can be rewritten.In this memory 49, store program, other necessary softwares and other necessary data for controlling touch-screen type set and display device 47.
Set and display device 47 is display unit, and a part for its display frame doubles as touch-screen type input unit, by the button in display frame is touched to operation, can require to show or carry out various instructions etc.
CPU50 is so-called microprocessor, it is according to the software that is stored in the regulation in memory 49, the input and output of control port 48, and, also control set and display device 47, the picture disply requirement of sending according to set and display device 47 is read the data of regulation, and will be required that the picture disply showing is on set and display device 47 from memory 49.
Fig. 2 represents to be presented at the routine displaying contents in 47 display frames of set and display device.In Fig. 2 institute example, display frame with a picture disply following displaying contents: can carry out to each wefting insertion series the change of (m-injection end time when injection beginning) between the injection period of each auxiliary jet group.
In this displaying contents, the left half side bar chart having shown between the injection period that represents each auxiliary jet group.In the figure, the scale on transverse axis represents degree in crank angle (the loom main shaft anglec of rotation), the fabric width that it is reference position that the scale on the longitudinal axis represents for yarn side.In the position corresponding with fabric width on the longitudinal axis, between 13 auxiliary jet groups that represent the present embodiment by the length of bar shaped injection period separately.For each auxiliary jet group, by for yarn side be expressed as 1G, by its side that puts in order be expressed as 2G, again side be expressed as 3G, by that analogy.In bar chart, the straight line of oblique crosscut has generally represented the flight condition of weft yarn.In illustrated example, the wefting insertion time started is 90 ° of degree in crank angles, and target is established 230 ° of degree in crank angles the time of advent.
In illustrated example, be provided with 6 kinds of air emitted doses and cut down pattern, various patterns can be selected arbitrarily.The button showing by the longitudinal row in bar chart right side is selected various patterns.Each button, executes the hachure that can be different from other buttons in its square interior, and, inner with the numbering corresponding with various patterns at hachure.In this picture, selection be with the corresponding pattern of numbering 6 button.On the button side with numbering 2-6, show word and the small-sized square of "+pattern ", described small-sized foursquare inside has than the numbering of the numbering of each button only little 1.This be sense of vision for example represented, if numbering 2 pattern has comprised that the air emitted dose of the pattern of numbering 1 is cut down pattern exactly.
In illustrated example, can cut down pattern to each wefting insertion series setting air emitted dose.In this case, the another kind of button showing by the longitudinal row of picture right-hand member is selected wefting insertion series.This another kind button, has executed for yarn body tag in its square interior, and, inner with the numbering corresponding with each wefting insertion series for yarn body tag.In this picture, show the button for yarn body tag of executing that is numbered 1-8, can select but be wherein numbered executing for the button of yarn body tag of 1-6.It is brighter that the button that can select is shown as brightness, if its selected after, be shown as brightness darker.In this picture, selection be with the corresponding wefting insertion series of numbering 1 button.On the other hand, be numbered 7,8 execute for yarn body tag button to be shown as brightness lighter, cannot select representing.
In the present embodiment, according to the predefined weaving condition of main control unit 42a (for example, loom rotation number, fabric width, weft yarn kind etc.), can automatically calculate the initial set value between each auxiliary jet group injection period, with respect to these initial set value, the each pattern shown in Fig. 2 is the pattern to the air emitted dose reduction pattern of (can not combine) is revised separately.
Fig. 3 has illustrated the initial set value between the each auxiliary jet group injection period shown in Fig. 2 with bar chart, and air emitted dose is cut down pattern.In addition, for the relation that makes initial set value between each auxiliary jet group injection period and air emitted dose cut down pattern is convenient to understand, Fig. 3, by horizontal stripe corresponding between the injection period of each auxiliary jet group of recording with the degree in crank angle coordinating in Fig. 2 on transverse axis, depicts with the form of its right-hand member (spraying the end time) alignment.
First, the initial set value between auxiliary jet group injection period is described in detail.In illustrated example, be presented at left side the longitudinal row of the rectangle horizontal stripe of the initial set value between each auxiliary jet group injection period of expression as above.The horizontal stripe of each auxiliary jet group is shown as: when right-hand justified becomes longitudinal row, from turn upwards piling up for yarn side towards anti-for yarn side.Left end and the right-hand member of the horizontal stripe after these are piled up, represent the injection beginning time between each auxiliary jet group injection period and spray the initial set value of end time with degree in crank angle respectively.The degree in crank angle of described injection beginning time and injection end time is from little by little increasing by putting in order for yarn side towards anti-for yarn side.Between injection period by the described injection beginning time with spray the end time and determine, by anti-for yarn side for the longest, by for yarn side for the shortest, in addition be equal or be longer than between the upper injection period that supplies yarn side of self.The area of horizontal stripe is equivalent to air emitted dose.
Setting between injection period is not that each auxiliary jet group is carried out, but each auxiliary jet cohort is carried out, and described auxiliary jet cohort is by forming by 2 that put in order adjacent each other above auxiliary jet groups.Said in the present invention " the auxiliary jet cohort in downstream " refers to, by comprising the group that more than 2 auxiliary jet group forms of leaning on the anti-auxiliary jet group for yarn side most.Said in the present invention " the auxiliary jet cohort of upstream side " refer to, by comprising the group that more than 2 auxiliary jet group forms by the auxiliary jet group for yarn side.Said in the present invention " the auxiliary jet cohort of middle reaches side " refer to, 1 the above group being made up of the auxiliary jet group beyond the included auxiliary jet group of each auxiliary jet cohort in upstream side and downstream.
On this basis, in illustrated example, from starting towards supplying yarn side by the anti-auxiliary jet group 13G for yarn side, form the auxiliary jet cohort GU1 in downstream by 3 the auxiliary jet group 13G-11G that put in order, by starting for the auxiliary jet group 1G of yarn side towards the anti-yarn side that supplies, form the auxiliary jet cohort GU3 of upstream sides from by 4 the auxiliary jet group 1G-4G that put in order.Except the auxiliary jet cohort in these upstream sides and downstream, remaining auxiliary jet group 5G-10G forms the auxiliary jet cohort GU2 of a middle reaches side.In illustrated example, these 3 auxiliary jet cohort GU1-GU3, as object, are prescribed to air emitted dose and cut down pattern.
Then, air emitted dose reduction pattern is described in detail.Air emitted dose reduction pattern comprises with respect to the reduction pattern between indivedual injection periods of all auxiliary jet cohorts as object.In the present embodiment, 3 auxiliary jet cohorts are all as object.Reduction pattern between indivedual injection periods refers to, will during predetermining, be set as 1 unit, according to the quantity of unit to individually specifying the reduction pattern (reduction) between injection period as each auxiliary jet cohort of object.Air emitted dose reduction pattern is to make in advance, and is stored in the memory 49 of the set and display device 46 shown in Fig. 1.In the example of Fig. 3, exist the air emitted dose of 6 kinds of different contents to cut down pattern, and represent with pattern 1-6.In the figure, every kind of pattern shows horizontal stripe and taeniae, described horizontal stripe is identical with the initial set value shape between each auxiliary jet group injection period, described taeniae is presented at the right-hand member of above-mentioned horizontal stripe, it represents the reduction pattern between injection period and has added hachure, sprays reduction to understand with respect to the air of the initial set value between each auxiliary jet group injection period.Transversely arranged taeniae quantity is equivalent to above-mentioned Board Lot.In the present embodiment, 4 ° of degree in crank angles are set as to 1 unit.That is, between the injection period of only cutting down 1 unit quantity time, as the injection end time between the injection period of the auxiliary jet cohort of object compared with initial set value, degree in crank angle leading 4 ° (reducing).
The different content that each air emitted dose shown in Fig. 3 is cut down pattern is illustrated in following table 1 with pattern 1-6.
Table 1
| Auxiliary jet cohort | Pattern 1 | Pattern 2 | Mode 3 | Pattern 4 | Pattern 5 | Pattern 6 |
| Downstream | 1 | 1 | 1 | 1 | 1 | 1 |
| Middle reaches side | 1 | 2 | 3 | 4 | 5 | 6 |
| Upstream side | 1 | 2 | 3 | 4 | 4 | 4 |
The Board Lot of the independent numeral reduction of recording in above-mentioned table 1, it is equivalent to " the reduction pattern between the injection period that each auxiliary jet cohort is individually specified " of the present invention.From each auxiliary jet cohort in the upstream side of this table 1, middle reaches side, downstream, although there is the situation identical with other mode contents, as a whole, different from the content of other pattern.
Above-mentioned pattern 1-4 belongs to said in the present invention " the 1st reduction pattern ".The 1st reduction pattern refers to, at least cuts down between the injection period of auxiliary jet cohort of upstream side, and, the identical pattern of reduction between the injection period between the injection period in the auxiliary jet cohort of middle reaches side in the auxiliary jet cohort of reduction and upstream side.And pattern 1-4 is said in the present invention " the 1st reduction pattern comprises that between the injection period of auxiliary jet cohort of upstream side and middle reaches side, reduction is identical, and the different multiple reduction patterns of reduction of entirety ".
On the other hand, pattern 5,6 belongs to said in the present invention " the 2nd reduction pattern ".The 2nd reduction pattern refers to, between the injection period of the auxiliary jet cohort of middle reaches side, reduction is greater than the pattern of reduction between the injection period of other auxiliary jet cohorts.And, pattern the 5, the 6th, said in the present invention " the 2nd reduction pattern comprises the different multiple reduction patterns of reduction between the injection period of auxiliary jet cohort of middle reaches side ".
In above-mentioned multicolor weft insertion loom, as initial setting, use the set and display device 47 of set and display device 46 to set weaving condition, described weaving condition comprises rotation number, the weft yarn kind that wefting insertion uses of fabric width, loom and represents the wefting insertion pattern of weft yarn selecting sequence.These weaving conditions are all stored in the memory (not shown) in the main control unit 42a of loom control device 42.
In these weaving conditions, according to the injection period of auxiliary jet between relevant condition (for example, fabric width, rotation number, weft yarn kind etc.), the CPU50 of set and display device 46 uses regulated procedure to calculate the initial set value between the injection period of each auxiliary jet cohort, and the initial set value calculating is stored in the memory in main control unit 42a.
Setting between the injection period of each auxiliary jet cohort is to carry out according to the following steps.
(1) first, operating personnel by the picture disply shown in Fig. 2 in set and display device.In addition, being shown in the left half side figure of Fig. 2, is as shown in Figure 6 at first, and the state of initial set value is fixedly shown by former state.
(2) then, operating personnel are by selecting any one pattern, and the injection end time between the injection period of each auxiliary jet cohort is revised.Each pattern can at random be selected by operating personnel.For example, for in the wefting insertion series that will set by the weft yarn of wefting insertion, even if rule of thumb show that the reduction of the auxiliary jet group of increase (shorten between injection period) middle reaches side also can carry out required wefting insertion, can be from first with regard to preference pattern 5 or pattern 6.If do not know to cut down how many, just can select pattern 1 or pattern 2 etc. that reduction is little.
(3) each wefting insertion series is carried out to above-mentioned correction operation (operation of the injection end time between the injection period of correction initial set value).All wefting insertion series is all revised, and now, this revised setting value is sent to wefting insertion control part 44, and is stored in the memory (not shown) in wefting insertion control part 44.
Its result, wefting insertion control part 44 is according to select the weft yarn that signal generation 45 sends to select between the injection period of signal S1 and the each auxiliary jet cohort to the setting of selecteed wefting insertion series from weft yarn, in the time of wefting insertion, the Kai Heguan of each electromagnetic switch valve 36 that control auxiliary jet is used.
(4), after completing above-mentioned setting, operating personnel confirm that by test weaving whether selected air emitted dose reduction pattern is suitable.For example, carry out the result of wefting insertion according to above-mentioned setting, if arrived in the permissible range that is later than target time of advent by the weft yarn of wefting insertion in certain wefting insertion series, or there is the situations such as lax at this weft yarn, be judged as reduction excessive, and consider to change to according to the pattern of the little one-level of reduction to revise, reset between injection period.
If weft yarn arrives in the target permissible range of the time of advent, and while setting between injection period by the little pattern correction of employing reduction, in order to confirm further to cut down air emitted dose, can consider that the pattern changing to according to the large one-level of reduction revises, reset between injection period.
(5) repeat the operation that above-mentioned setting → test weaving → change is revised, its result, can, with respect to the initial set value between the injection period of auxiliary jet group in each wefting insertion series, be set as suitable value by the reduction of air emitted dose.
Pre-stored air emitted dose reduction pattern is not limited only to the pattern in above-described embodiment, also can carry out the distortion of example (variation) as shown in Figure 4, Figure 5.Here first narrate its summary.In the above-described embodiments, select any one in the pattern of multiple separately (can not combine), revise the initial set value between injection period, and the variation of Fig. 4, Fig. 5 is pre-stored multiple air emitted dose reduction pattern that can combine, the setting of the reduction to air emitted dose will realized after their combinations.Below, according to the order of accompanying drawing number, each example is described in detail.
In the variation of Fig. 4, as shown in Fig. 4 (a), there is the air jet mode of 3 kinds of different contents, and represent with pattern 1-3.In following table 2, represent the content of each air emitted dose reduction pattern.In this example, 3 auxiliary jet cohorts are also all as object (being prescribed the object of the reduction pattern between injection period).
Table 2
| Auxiliary jet cohort | Pattern 1 | Pattern 2 | Mode 3 |
| Downstream | 1 | 0 | 0 |
| Middle reaches side | 1 | 1 | 1 |
| Upstream side | 1 | 1 | 0 |
The Board Lot of the independent numeral reduction of recording in above-mentioned table 2.Above-mentioned pattern 1,2 belongs to " the 1st reduction pattern ", and mode 3 belongs to " the 2nd reduction pattern ".
In Fig. 4 (b), to combine integrated mode that above-mentioned pattern 1-3 forms as example, 4 kinds of integrated modes are represented.
Integrated mode <1> combines a pattern 1 and a pattern 2.
Integrated mode <2> combines a pattern 1 and two patterns 2.
Integrated mode <3> combines a pattern 1, three patterns 2 and a mode 3.
Integrated mode <4> combines a pattern 1, three patterns 2 and two mode 3s.
In the above-described embodiments, be set to 4 units with respect to the reduction maximum of the air capacity emitted dose of the auxiliary jet cohort of upstream side, and the in the situation that of this variation, according to different combinations, more than can also being set to 5 units.
In the variation of Fig. 5, as shown in Fig. 5 (a), there is the air jet mode of 3 kinds of different contents, and represent with pattern 1-3.Following table 3 represents the content of each air emitted dose reduction pattern.In this example, 3 auxiliary jet cohorts are also all as object (being prescribed the object of cutting down pattern between injection period).
Table 3
| Auxiliary jet cohort | Pattern 1 | Pattern 2 | Mode 3 |
| Downstream | 1 | 0 | 0 |
| Middle reaches side | 0 | 1 | 0 |
| Upstream side | 0 | 0 | 1 |
The Board Lot of the independent numeral reduction of recording in above-mentioned table 3.Above-mentioned mode 3 belongs to " the 1st reduction pattern ", and pattern 2 belongs to " the 2nd reduction pattern ".
In Fig. 5 (b), to combine integrated mode that above-mentioned pattern 1-3 forms as example, 4 kinds of integrated modes are represented.
Integrated mode <1> combines two patterns 2.
Integrated mode <2> combines four patterns 2 and a mode 3.
Integrated mode <3> combines four patterns 2 and three mode 3s.
Integrated mode <4> combines a pattern 1, four patterns 2 and three mode 3s.
This variation can be carried out more detailed reduction setting.For example, if rule of thumb draw the air emitted dose of the auxiliary jet cohort that can more cut down middle reaches side, then, can cut down the air emitted dose of the auxiliary jet cohort of upstream side, but substantially can not cut down the air emitted dose of auxiliary jet cohort in downstream time, cut down by stages by the order of middle reaches side (pattern 2), upstream side (mode 3), downstream (pattern 1), by the method, just can determine reduction.
The present invention is not limited in above-described embodiment and two variation.For example, cut down the object (being prescribed the object of cutting down pattern between injection period) of pattern as air emitted dose, above-described embodiments etc. all comprise the auxiliary jet cohort in downstream, but in the present invention, the auxiliary jet cohort in downstream is not necessary, also can be in addition, that is to say, also can only comprise the auxiliary jet cohort of middle reaches side and/or the auxiliary jet cohort of upstream side.
Its reason is, the problem to be solved in the present invention is described above, because the anti-auxiliary jet group for yarn side not only has the effect of transporting the weft yarn of (wefting insertion in-flight) in wefting insertion, prevent that in addition weft yarn from the effect of lax (stretching function) occurring after its front end arrives instead for yarn side, therefore, the not preferred advanced injection end time in more situation.Therefore, cutting down the object of pattern in the present invention as air emitted dose, can be also the auxiliary jet cohort the auxiliary jet cohort except comprising the downstream of leaning on the anti-auxiliary jet group for yarn side most.
About the quantity of the included auxiliary jet group of the auxiliary jet cohort of downstream and upstream side, the present invention is not limited in the described quantity such as above-described embodiment, as long as comprise separately and leaning on most instead for yarn side or by the auxiliary jet group for yarn side, and comprise at least 1 the above auxiliary jet group being adjacent.
About the auxiliary jet group except the included auxiliary jet group of the auxiliary jet cohort of downstream and upstream side, the present invention is not limited in the auxiliary jet cohort of a described middle reaches side of formation such as embodiment described above, also can be divided into by putting in order more than 2, form 2 auxiliary jet cohorts with upper and middle reaches side.In the case, also can make 2 with reduction pattern difference between the injection period of the auxiliary jet cohort of upper and middle reaches side.
Cut down the setting of 1 unit of the reduction of pattern about air emitted dose, the present invention is not limited in the described employing degree in crank angles such as above-described embodiment, in addition also can the employing time etc. setting.
Claims (4)
1. establishing method between the injection period of the auxiliary jet of an air injection loom, in described air injection loom, be connected be divided into many one group and the electromagnetic switch valve shared with every group of auxiliary jet along most root auxiliary jets of wefting insertion path configurations, form multiple auxiliary jet groups, and, between the injection period setting in each group of described multiple auxiliary jet groups, carry out air injection by each auxiliary jet group, the weft yarn penetrating from main burner is accepted the boosting that described air sprays, and carries out wefting insertion, wherein
Described multiple auxiliary jet components are become to auxiliary jet cohort, the auxiliary jet cohort of upstream side and the auxiliary jet cohort of 1 above middle reaches side in downstream, the auxiliary jet cohort in described downstream comprises the auxiliary jet group of leaning on anti-confession yarn side most, and is made up of 2 above auxiliary jet groups; The auxiliary jet cohort of described upstream side comprises by the auxiliary jet group for yarn side, and is made up of 2 above auxiliary jet groups; The auxiliary jet cohort of described 1 above middle reaches side is made up of the auxiliary jet group beyond the included auxiliary jet group of each auxiliary jet cohort of downstream and upstream side;
And, at least taking the auxiliary jet cohort of described middle reaches side and the auxiliary jet cohort of described upstream side as object, by during each auxiliary jet cohort as described object individually being specified predetermine being the reduction pattern between the injection period of 1 unit, thereby determine multiple air emitted doses reduction patterns that content is different, described air emitted dose reduction pattern comprises with respect to the reduction pattern between indivedual injection periods of all auxiliary jet cohorts as described object, and, pre-stored determined multiple air emitted doses are cut down pattern, and be set as selecting arbitrarily,
Between the injection period of setting each auxiliary jet time, at random select described multiple air emitted dose to cut down pattern by operating personnel, cut down pattern according to this selecteed air emitted dose, the injection end time in the setting value between the injection period that makes to set is revised.
2. establishing method between the injection period of the auxiliary jet of air injection loom according to claim 1, wherein, described multiple air emitted dose reduction pattern comprises the 1st reduction pattern and the 2nd reduction pattern, described the 1st reduction pattern is at least to cut down between the injection period of auxiliary jet cohort of upstream side, and between the injection period of the auxiliary jet cohort of middle reaches side, reduction is equal to or less than reduction between the injection period of auxiliary jet cohort of upstream side; Between the injection period of the auxiliary jet cohort that described the 2nd reduction pattern is middle reaches side, reduction is greater than reduction between the injection period of other auxiliary jet cohorts.
3. establishing method between the injection period of the auxiliary jet of air injection loom according to claim 2, wherein,
Described the 1st reduction pattern comprises that between the injection period of reduction and the auxiliary jet cohort of middle reaches side between the injection period of auxiliary jet cohort of upstream side, reduction is identical, and different multiple reduction patterns of reduction as a whole;
Described the 2nd reduction pattern comprises the different multiple reduction patterns of reduction between the injection period of auxiliary jet cohort of middle reaches side.
4. according to establishing method between the injection period of the auxiliary jet of the air injection loom described in claim 1,2 or 3, wherein, described air injection loom is the loom with the multicolor weft insertion device being made up of multiple wefting insertion series, each wefting insertion series is carried out to the correction of described injection end time.
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| JP2010265112A JP5592239B2 (en) | 2010-11-29 | 2010-11-29 | Sub nozzle injection period setting method for air jet loom |
| JP2010-265112 | 2010-11-29 |
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| JP5991159B2 (en) * | 2012-11-16 | 2016-09-14 | 株式会社豊田自動織機 | Sub-nozzle arrangement selection device in air jet loom |
| JP6172186B2 (en) * | 2015-03-17 | 2017-08-02 | 株式会社豊田自動織機 | Weft insertion control method for air jet loom and weft insertion device for air jet loom |
| JP6319262B2 (en) * | 2015-10-12 | 2018-05-09 | 株式会社豊田自動織機 | Weft insertion control device for air jet loom |
| CN109457371A (en) * | 2019-01-17 | 2019-03-12 | 王安俭 | For adjusting the device and method of the eject position of pilot jet in air-jet loom |
| JP7156140B2 (en) | 2019-04-02 | 2022-10-19 | 株式会社豊田自動織機 | AIR-JET LOOM AND CONTROL METHOD OF AIR-JET LOOM |
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| EP2458049A3 (en) | 2016-08-10 |
| EP2458049B1 (en) | 2018-10-10 |
| JP2012117156A (en) | 2012-06-21 |
| EP2458049A2 (en) | 2012-05-30 |
| JP5592239B2 (en) | 2014-09-17 |
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