CN200985412Y - Reed of air-jet loom - Google Patents
Reed of air-jet loom Download PDFInfo
- Publication number
- CN200985412Y CN200985412Y CNU2006201709088U CN200620170908U CN200985412Y CN 200985412 Y CN200985412 Y CN 200985412Y CN U2006201709088 U CNU2006201709088 U CN U2006201709088U CN 200620170908 U CN200620170908 U CN 200620170908U CN 200985412 Y CN200985412 Y CN 200985412Y
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- Prior art keywords
- reed
- air
- flow
- section
- breach
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- Expired - Fee Related
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- 235000014676 Phragmites communis Nutrition 0.000 title claims abstract description 105
- 238000009941 weaving Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 18
- 239000007924 injection Substances 0.000 description 18
- 230000037431 insertion Effects 0.000 description 10
- 238000003780 insertion Methods 0.000 description 10
- 238000009940 knitting Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The reed of the air jet loom comprises a plurality of reed blades arranged side by side, wherein gaps are formed in the reed blades, the gaps in the reed blades are communicated and combined to form a reed groove, the inner wall of each gap comprises a top surface positioned on the upper side, a bottom surface positioned on the lower side and a side surface positioned between the top surface and the bottom surface, the side surface is divided into at least two sections from the back side to the front side, one section positioned on the back side is an arc-shaped surface with a cross section in an arc shape, one section positioned on the front side is an inclined plane, and the inclined plane is inclined from the back to the front side gradually and is away from one side of the gap. The utility model discloses improved the structure of original air jet loom reed piece of weaving reed, in the reed groove that the reed piece constitutes, auxiliary nozzle's function obtains better performance, produces the jet air current of high flow with less pressure, and the breach internal face is hugged closely to the direction of jet flow central line for the flow direction of high-speed air obtains better control, and the air current in the reed groove scatters and disappears less, and final woof flight track line is more ideal, is favorable to beating-up.
Description
Technical field
The utility model relates to a kind of reed of knitting of air-jet loom.
Background technology
As the wefting insertion carrier, the critical piece that produces the wefting insertion jet-stream wind is into the latitude main burner to air-jet loom with jet-stream wind, pilot jet that wefting insertion is used and the reed of knitting that forms the weft tracting flow field, main burner ejection main injection air-flow, the auxilliary gaseous blast of pilot jet ejection.Knit reed and comprise a plurality of reed wires that are arranged side by side, have breach on each reed wire, constitute the reed groove by the connection of the breach on a plurality of reed wires, this reed groove is the passage that is used for wefting insertion, the puff prot of pilot jet is towards the reed groove, spray in the reed groove thereby will assist gaseous blast, leap reed width by the jet-stream wind weft traction.The internal face of breach comprises end face, the side in the bottom surface of downside, between end face and bottom surface at upside, and shown in accompanying drawing 6-accompanying drawing 7, accompanying drawing 9, accompanying drawing 11, prior art mainly contains two kinds:
The middle part, side of first kind of breach is the plane, the edge rounding of side, the air-flow that pilot jet ejects is folded back at the place, plane, mix with the main injection air-flow then, but because the angle that auxilliary gaseous blast is turned back is bigger, so having greatly, air-flow can overflow from the opening part of breach, and owing to the plane parallels with the bearing of trend of reed groove, be close to the plane so be delivered to the air-flow of the side of next reed wire along the side of a reed wire, cause the air-flow that leaks the gap between adjacent reed wire also many;
The side of second kind of breach is the inclined-plane, auxilliary gaseous blast arrives the place, inclined-plane and is turned back, mix with the main injection air-flow then and form weft tracting flow, because arriving the air-flow at the place, inclined-plane of a reed wire is all turned back, and do not flow to the air-flow of adjacent reed wire, and the angle that auxilliary gaseous blast is turned back is bigger, and air-flow is lost from the opening part of breach greatly so have, and causes the wefting insertion poor-performing.
Summary of the invention
The utility model purpose provides a kind of reed of knitting of air-jet loom, and it can reduce the amount that the air-flow in the reed groove runs off from the gap between gap opened and the reed wire.
The technical solution of the utility model is: a kind of air-jet loom knit reed, comprise a plurality of reed wires that are arranged side by side, have breach on described each reed wire, breach on described a plurality of reed wire is connected and constitutes the reed groove, the inwall of described breach comprises the end face that is positioned at upside, be positioned at the bottom surface of downside, side between described end face and bottom surface, described side is divided at least two sections by rear side to the front side, one section that is positioned at rear side is the curved arcwall face of cross section, one section that is positioned at the front side is the inclined-plane, and described inclined-plane is extremely preceding gradually to the lopsidedness that deviates from breach from the back.
Has angle a between the bearing of trend of described inclined-plane and reed groove, 0 degree＜a＜10 degree.
Described arcwall face cross section is one section circular arc, the radius of this circular arc be reed wire thickness 0.4-0.6 doubly.
The cross section of described arcwall face is an elliptic arc.
The utility model compared with prior art, has following advantage: when practical application, the main burner of air-jet loom is spurted into the main injection air-flow that latitude is used to the reed groove, the pilot jet of air-jet loom sprays the auxilliary gaseous blast that wefting insertion is used to the reed groove, auxilliary gaseous blast arrives the place, inclined-plane of the breach of a reed wire, auxilliary gaseous blast promptly flow to along the inclined-plane next reed wire breach the arcwall face place and turned back, mixed with the main injection air-flow by the air-flow of being turned back and form weft tracting flow, weft tracting flow is along the jet flow center line movement, owing to the angle between the bearing of trend of air flow direction of turning back from arcwall face and reed groove is less, thereby make of the direction motion of most of auxilliary gaseous blast towards the jet flow center line, so that the air-flow that scatters and disappears from the reed wire back and reduced from the air-flow that the opening part of breach overflows, the source of the gas place can produce the jet-stream wind of high flow capacity in the reed groove with less pressure, and the jet flow center line is pressed close to the side of breach very much, the flow direction of high-speed air promptly is controlled better, final weft yarn flight track line is also just more satisfactory, helps beating up.
Description of drawings
Accompanying drawing 1 is application example figure of the present utility model;
Accompanying drawing 2 is the stereogram that the utility model and pilot jet are used;
Accompanying drawing 3 is that reed wire of the present utility model is from the intercepted part stereogram of indentation, there;
Accompanying drawing 4 is the side view of reed wire of the present utility model;
Accompanying drawing 5 is the cutaway view of the A-A direction in the accompanying drawing 4;
Accompanying drawing 6 is a kind of existing cutaway view of bowing of knitting the reed wire of reed;
Accompanying drawing 7 is the another kind of existing cutaway view of bowing of knitting the reed wire of reed;
Accompanying drawing 8 is the change in location schematic diagram of jet flow center line;
Accompanying drawing 9 is that main injection air-flow and auxilliary gaseous blast are knitted the view of moving in the reed groove of reed a kind of having now;
Accompanying drawing 10 is for being the view that main injection air-flow and auxilliary gaseous blast move in reed groove of the present utility model;
Accompanying drawing 11 is knitted the view of moving in the reed groove of reed for the main injection air-flow has now at another kind with auxilliary gaseous blast;
Wherein: 1, slay; 2, pilot jet; 3, reed wire; 4, breach; 5, end face; 6, bottom surface; 7, side; 8, knit reed; 9, reed groove; 10, arcwall face; 11, inclined-plane.
The specific embodiment
Shown in accompanying drawing 1-accompanying drawing 5, what the utility model provided a kind of air-jet loom knits reed 8, and this is knitted reed 8 and is installed on the slay 1, and cooperates main burner (usual means on the air-jet loom, not shown) and pilot jet 2 uses.The described reed 8 of knitting comprises a plurality of reed wires that are arranged side by side 3, has the gap between the adjacent reed wire 3, has warp thread to pass through between the reed wire 3, and warp thread moves in the gap between reed wire 3.Have breach 4 on described each reed wire 3, the breach 4 on described a plurality of reed wires 3 is connected and constitutes reed groove 9.
Main burner is spurted into the main injection air-flow that latitude is used, but the very fast decay of main injection air-flow, in order to realize wefting insertion length, just must in being reed groove 9, the wefting insertion passage increase auxilliary gaseous blast, as shown in Figure 1, promptly use pilot jet 2 source of the gas as a supplement, the auxilliary gaseous blast of ejection from the spout of pilot jet 2, about 80 millimeters of the operating distance of the auxilliary gaseous blast that each pilot jet 2 produces is that the bearing of trend of reed groove 9 has been installed a plurality of pilot jets 2 along reed width.2 pairs of reed grooves 9 of pilot jet spray into the auxilliary gaseous blast that wefting insertion is used; main burner 9 produces the main injection air-flow; weft yarn is introduced shed open by the main injection air-flow; the effect of main injection air-flow is to quicken weft yarn; utilize the high speed and the stability of main injection air-flow; the weft yarn of motion is subjected to drag under the carrying of air-flow; knit the reed groove 9 of reed 8 and the auxilliary gaseous blast generation protectiveness flow field (as shown in Figure 2) that pilot jet 2 sprays; weft yarn flies along the center, flow field; the protectiveness flow field stops the weft yarn deceleration to be fallen; the weft yarn leading end is in the back follow-up, and weft yarn leaps reed width from the reed groove 9 of shed open under the guiding that connects bleed stream.
The inwall of described breach 4 comprises end face 5, the side 7 in the bottom surface 6 of downside, between described end face 5 and bottom surface 6 at upside, end face 5 is the plane, bottom surface 6 is by breach 4 interior inclined planes downward-sloping gradually outside breach 4, bottom surface 6 that tilts and the angle between the horizontal plane are about 12 degree, the both sides of the edge, front and back of side 7 have little fillet, the smooth surface of reed wire 3, when weaving cotton cloth, the two sides of reed wire 3 and warp thread meeting mutual friction mutually, two little fillets can reduce the friction between reed wire 3 and the warp thread, alleviate the frayed degree of warp thread.
Described side 7 is divided at least two sections by rear side to the front side, one section that is positioned at rear side is the curved arcwall face 10 of cross section, one section that is positioned at the front side is inclined-plane 11, described inclined-plane 11 is extremely preceding gradually to the lopsidedness that deviates from breach 4 from the back, fore-and-aft direction herein promptly defines according to the direction of motion of weft yarn, the direction of advance of weft yarn is front side (corresponding to the right side in the accompanying drawing 5), and the direction opposite with the front side is rear side (corresponding to left side in the accompanying drawing 5).Has angle a between the bearing of trend of described inclined-plane 11 and reed groove 9,0 degree＜a＜10 degree (as shown in Figure 5), described arcwall face 10 is arc surface or elliptical arc surface, also can be the shape that other has one section arc surface, in a kind of preferred embodiment of common employing, the cross section of arcwall face 10 is one section circular arc, the radius of this section circular arc be reed wire 3 thickness 0.4-0.6 doubly.
The direction of auxilliary gaseous blast as shown in figure 10, auxilliary gaseous blast sprays to the side 7 of reed wire 3, air-flow rebounds on side 7, synthesized along the injection central gas stream (seeing shown in the accompanying drawing 8) of jet flow center line (Figure 10 shown in the M arrow) motion with the main injection air-flow and from the air-flow that rear side reed wire 3 passes over, this injection central gas stream is weft tracting flow.
Shown in accompanying drawing 10, when auxilliary gaseous blast is ejected on the inclined-plane 11 of side 7 of reed wire 3, air-flow will flow on the arcwall face 10 of front side reed wire 3 along inclined-plane 11, turn back from arcwall face 10 again, mix with main injection air-flow in the wefting insertion passage is reed groove 9.Under the guide effect on inclined-plane 11, the flow direction that air-flow flows to next reed wire from a reed wire 3 is folded to the dorsal part (side that promptly deviates from breach 4) of reed wire 3, and the angle between the flow direction after air-flow is turned back from arcwall face 10 and the bearing of trend of reed groove 9 is very little, a spot of air-flow of only turning back from the side 7 of reed wire 3, the auxilliary gaseous blast that major part is turned back all moves towards jet flow center line M, this makes that the air-flow in reed groove 9 is less from the lost part in the back of reed wire 3, the air-flow that overflows from the opening part of breach 4 is also few, can produce the jet-stream wind of high flow capacity with less pressure, and the jet flow center line M of jet-stream wind is close to the side 7 of breach 4, make that the function of pilot jet 2 is better brought into play, final weft yarn flight track line is more satisfactory, helps beating up.
Claims (4)
1, a kind of air-jet loom knit reed, comprise a plurality of reed wires that are arranged side by side (3), have breach (4) on described each reed wire (3), breach (4) on described a plurality of reed wire (3) is connected and constitutes reed groove (9), the inwall of described each breach (4) comprises the end face (5) that is positioned at upside, be positioned at the bottom surface (6) of downside, be positioned at the side (7) between described end face (5) and bottom surface (6), it is characterized in that: described side (7) are divided at least two sections by rear side to the front side, be positioned at rear side-section is for the curved arcwall face (10) of cross section, one section that is positioned at the front side is inclined-plane (11), and described inclined-plane (11) are extremely preceding gradually to the lopsidedness that deviates from breach (4) from the back.
2, air-jet loom according to claim 1 knit reed, it is characterized in that: have angle a between the bearing of trend of described inclined-plane (11) and reed groove (9), 0 degree＜a＜10 degree.
3, air-jet loom according to claim 1 knit reed, it is characterized in that: described arcwall face (10) cross section is one section circular arc, the radius of this circular arc be reed wire (3) thickness 0.4-0.6 doubly.
4, air-jet loom according to claim 1 knit reed, it is characterized in that: the cross section of described arcwall face (10) is an elliptic arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201709088U CN200985412Y (en) | 2006-12-12 | 2006-12-12 | Reed of air-jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201709088U CN200985412Y (en) | 2006-12-12 | 2006-12-12 | Reed of air-jet loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200985412Y true CN200985412Y (en) | 2007-12-05 |
Family
ID=38914872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201709088U Expired - Fee Related CN200985412Y (en) | 2006-12-12 | 2006-12-12 | Reed of air-jet loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200985412Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134775A (en) * | 2011-04-11 | 2011-07-27 | 青岛星火引春纺机有限公司 | Reed used for jet loom |
| CN111663232A (en) * | 2019-03-06 | 2020-09-15 | 株式会社丰田自动织机 | Weft insertion device of air jet loom |
-
2006
- 2006-12-12 CN CNU2006201709088U patent/CN200985412Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134775A (en) * | 2011-04-11 | 2011-07-27 | 青岛星火引春纺机有限公司 | Reed used for jet loom |
| CN111663232A (en) * | 2019-03-06 | 2020-09-15 | 株式会社丰田自动织机 | Weft insertion device of air jet loom |
| CN111663232B (en) * | 2019-03-06 | 2021-07-06 | 株式会社丰田自动织机 | Weft insertion device of air jet loom |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |