CN202415852U - Weft insertion flow field forming system - Google Patents
Weft insertion flow field forming system Download PDFInfo
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- CN202415852U CN202415852U CN2011205254006U CN201120525400U CN202415852U CN 202415852 U CN202415852 U CN 202415852U CN 2011205254006 U CN2011205254006 U CN 2011205254006U CN 201120525400 U CN201120525400 U CN 201120525400U CN 202415852 U CN202415852 U CN 202415852U
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- auxiliary
- nozzles
- flow field
- electromagnetic valve
- reed
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Abstract
The utility model discloses a weft insertion flow field forming system, which comprises a plurality of auxiliary spray nozzles that are arranged along a reed groove of a special-shaped steel reed; the plurality of auxiliary spray nozzles are respectively connected to a first electromagnetic valve; one end of the first electromagnetic valve is connected to a control panel, and the other end of the first electromagnetic valve is connected with a first auxiliary air pocket; the first auxiliary air pocket is connected with a first adjusting valve, and the first adjusting valve is connected with an air source; the weft insertion flow field forming system further comprises a plurality of auxiliary second spray nozzles which are arranged along the reed groove of the specially-shaped steel reed; the plurality of auxiliary second spray nozzles are respectively connected to a first electromagnetic valve, one end of the second electromagnetic valve is connected to the control panel, and the other end of the second electromagnetic valve is connected to the second auxiliary gas pocket; the second auxiliary air pocket is connected with a second adjusting valve; and the second adjusting valve is connected with the air source. The weft insertion flow field forming system disclosed by the utility model provides a weft insertion flow field protection air current, wherein a protection air current is then wrapped outside a weft insertion air current, and the protection air current provides a protection layer, so that the speed reduction of the weft insertion air current is slowed down; and as for the same weft insertion rate, the air consumption of the auxiliary spray nozzles can be reduced.
Description
Technical field
The utility model belongs to the air-jet loom field, and the concrete pneumatic picking system that relates to relates to a kind of wefting insertion flow field in particular and forms system.
Background technology
The used in jet loom air-flow is realized wefting insertion, one minute wefting insertion of air-jet loom 800-1000 time, and each wefting insertion is exactly that weft yarn flies through shed open once, and the weft yarn flying speed is above 100 meter per seconds.
Main burner utilizes the poor of air feed pressure and ambient air pressure; Produce high speed main injection air-flow; Do not carry weft yarn to leap the ability of shed open but the main injection air-flow does not possess, the main jet air-flow is if not having follow-up air-flow to connect draws, after weft yarn flies a segment distance; The speed of weft yarn subsequent segment will be higher than leading end, and the weft yarn leading end curls or tangles.
Follow-up auxilliary gaseous blast connects and draws the main injection air-flow, produces the protectiveness flow field at special-shaped reed reed groove, stops falling of in shed open filling speed, and auxilliary gaseous blast is produced by pilot jet, and auxilliary gaseous blast forms weft tracting flow.But weft tracting flow one goes out the spout of pilot jet, and speed descends rapidly, and speed drops to 50 meter per seconds from 250 meter per seconds on the distance of 80 mm.
The utility model content
For overcoming deficiency of the prior art, the purpose of the utility model is to provide a kind of wefting insertion flow field to form system.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is realized through following technical scheme:
A kind of wefting insertion flow field forms system, comprises several along the pilot jet that the reed groove of special-shaped reed is arranged, described several pilot jets are connected to one first electromagnetic valve respectively; Described first electromagnetic valve, one end is connected to control panel; The other end is connected to the first auxilliary gas bag, and the said first auxilliary gas bag connects first control valve, and said first control valve connects source of the gas; Also comprise auxiliary two nozzles that several are arranged along the reed groove of special-shaped reed; Described several auxiliary two nozzles are connected to one second electromagnetic valve respectively, and described second electromagnetic valve, one end is connected to said control panel, and the other end is connected to the second auxilliary gas bag; The said second auxilliary gas bag connects second control valve, and said second control valve connects said source of the gas.
Further, described several auxiliary two nozzles equate with described several pilot jet quantity, and successively the interval be arranged on described several pilot jet rears.
Further, described several auxiliary two nozzles, one ends are fixed on the porous connecting plate, and said porous connecting plate is fixed on the said special-shaped reed; One side panel of said porous connecting plate is provided with several cylindrical end tangs; Described several cylindrical end tangs constitute one group in twos; And be provided with by a connecting through hole in one of them cylindrical end tangs in should organizing; Said connecting through hole UNICOM is positioned at the cavity of said porous connecting plate, said cavity through one be arranged on said porous connecting plate the low pressure air admission hole connect said second electromagnetic valve.
Further; Said auxiliary two nozzles comprise that one is built-in with the L shaped nozzle body of cavity, and said L shaped nozzle body one end is provided with two cylindrical groove, and one of them said cavity of cylindrical groove UNICOM; The other end is provided with an air outlet, the said cavity of said air outlet UNICOM; Said porous connecting plate is arranged in the described cylindrical groove fixing said auxiliary two nozzles through described cylindrical end tangs, and the described cylindrical end tangs that is provided with connecting through hole matches with the cylindrical groove of the said cavity of described UNICOM.
The utlity model has following beneficial effect:
The wefting insertion flow field air supply system of the utility model provides the protection air-flow in a kind of wefting insertion flow field through the air-flow of auxiliary two nozzle ejection; Outside weft tracting flow, wrap up one protection air-flow again; The protection air-flow provides protective layer; It is slack-off that the speed of weft tracting flow is descended, and goes into the latitude rate for same, can reduce the air consumption of auxiliary spray.Pilot jet produces two strands of air-flows with auxiliary two nozzles, and the low speed flow of two sprays sprays earlier, and the weft tracting flow of auxilliary spray sprays late, can prolong action time and the length of weft tracting flow core layer to weft yarn.In addition; A thick weft yarn requires more flow, needs to increase supply gas pressure and air demand, and auxiliary two nozzles of the utility model provide one air-flow; Prolongation low count yarn greater than the duration of 100 meter per second speed, can reduce air feed air pressure and air consumption in the air-flow central area.
Above-mentioned explanation only is the general introduction of the utility model technical scheme, in order more to know the technological means of understanding the utility model, and can implement according to the content of specification, below with the preferred embodiment and the conjunction with figs. detailed description of the utility model.The specific embodiment of the utility model is provided by following examples and accompanying drawing thereof in detail.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the systematic schematic diagram of the utility model.
Fig. 2 is the assembly structure sketch map of the utility model.
Fig. 3 is the auxiliary two structure of nozzle sketch mapes of the utility model, and wherein, Fig. 3 (a) is the front view of auxiliary two nozzles; Fig. 3 (b) is the right view of auxiliary two nozzles.
Fig. 4 is the structural representation of the porous connecting plate of the utility model, and wherein, Fig. 4 (a) is the front view of porous connecting plate; Fig. 4 (b) is the left view of porous connecting plate.
Label declaration among the figure: 1, pilot jet, 2, auxiliary two nozzles, 201, fumarole, 202, cavity, 203, cylindrical groove; 3, first electromagnetic valve, 4, second electromagnetic valve, 5, the first auxilliary gas bag, 6, the second auxilliary gas bag, 7, first control valve; 8, second control valve, 9, source of the gas, 10, the porous connecting plate, 1001, cylindrical end tangs; 1002, connecting through hole, 1003, cavity, 1004, the low pressure air admission hole, 11, special-shaped reed.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment, specify the utility model.
Referring to shown in Figure 1, a kind of wefting insertion flow field forms system, comprises the pilot jet 1 that several are arranged along the reed groove of special-shaped reed 11; Described several pilot jets 1 are connected to one first electromagnetic valve 3 respectively; Described first electromagnetic valve, 3 one ends are connected to control panel, and the other end is connected to the first auxilliary gas bag 5, and the said first auxilliary gas bag 5 connects first control valve 7; Said first control valve 7 connects source of the gas 9, also comprises auxiliary two nozzles 2 that several are arranged along the reed groove of special-shaped reed 11.
Further, described several auxiliary two nozzles 2 equate with described several pilot jet 1 quantity, and successively the interval be arranged on described several pilot jet 1 rears.
Preferably, said pilot jet 1 is 11-14mm with the spacing distance of auxiliary two nozzles 2 at its rear.
Further, in conjunction with shown in Figure 2, described several auxiliary two nozzles, 2 one ends are fixed on the porous connecting plate 10, and said porous connecting plate 10 is fixed on the said special-shaped reed 11.
Further; In conjunction with shown in Figure 4, a side panel of said porous connecting plate 10 is provided with several cylindrical end tangs 1001, and described several cylindrical end tangs 1001 constitute one group in twos; And be provided with by a connecting through hole 1002 in one of them cylindrical end tangs 1001 in should organizing; Said connecting through hole 1002 UNICOMs are positioned at the cavity 1003 of said porous connecting plate 10, shown in Fig. 4 (a), Fig. 4 (b), said cavity 1003 through one be arranged on said porous connecting plate 10 low pressure air admission hole 1004 connect said second electromagnetic valve 4; Described second electromagnetic valve, 2 one ends are connected to said control panel; The other end is connected to the second auxilliary gas bag 6, and the said second auxilliary gas bag 6 connects second control valve 8, and said second control valve 8 connects said source of the gas 9.
Further; In conjunction with shown in Figure 3; Said auxiliary two nozzles 2 comprise that one is built-in with the L shaped nozzle body of cavity 202, and said L shaped nozzle body one end is provided with two cylindrical groove 203, and one of them said cavity 202 of cylindrical groove 203 UNICOMs; The other end is provided with a fumarole 201, the said cavity 202 of said fumarole 201 UNICOMs; Said porous connecting plate 10 is arranged on fixing said auxiliary two nozzles 2 in the described cylindrical groove 203 through described cylindrical end tangs 1001; And the described cylindrical end tangs 1001 that is provided with connecting through hole 1002 matches with the cylindrical groove 203 of the said cavity 202 of described UNICOM.
Preferably, the bore dia of said fumarole 201 is 1.5-1.8mm shown in Fig. 3 (a).
Preferably, shown in Fig. 3 (b) said cylindrical groove 203 bore dia be 5.5mm.
In the time need not assisting two nozzles 2, the jet-stream wind of pilot jet 1 is directly to Atmospheric Diffusion; After adopting auxiliary two nozzles 2, the jet-stream wind of auxiliary two nozzles 2 prior to auxilliary gaseous blast, plays the effect of the auxilliary gaseous blast of protection in time, and auxilliary gaseous blast spreads to two gaseous blasts, and falling greatly of its high-speed layer air velocity slowed down.
The low-pressure air current of auxiliary two nozzles 2 of supply is inconsistent with the injecting time of the high pressure draught of supply pilot jet 1, and the low-pressure air current service life is early than high pressure draught, early 4 °-6 °.Low speed flow sprays earlier earlier and arrives, and weft tracting flow sprays late, prolongs the action time and the length of weft tracting flow.30 °-60 ° of low-pressure air current air feed duration, shorter than the high pressure draught air feed duration.It is 360 ° that the loom bent axle turns around, and crank angle control is pressed in the control of each action of loom.
Pilot jet 1 is installed in front lower place at the reed groove of special-shaped reed 11, the air-flow that nozzle bore sprays from lower to upper, auxilliary gaseous blast is wrapped in weft yarn; The reed groove of special-shaped reed 11 the front upper place auxiliary two nozzles 2 are installed, the air-flow of the fumarole 201 of auxiliary two nozzles 2 is along the upper edge of reed groove, the air-flow of auxiliary two nozzles 2 plays the auxilliary gaseous blast of protection.
The preferred case study on implementation that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (7)
1. a wefting insertion flow field forms system; Comprise the pilot jet (1) that several are arranged along the reed groove of reed (11); Described several pilot jets (1) are connected to one first electromagnetic valve (3) respectively, and described first electromagnetic valve (3) one ends are connected to control panel, and the other end is connected to the first auxilliary gas bag (5); The said first auxilliary gas bag (5) connects first control valve (7); Said first control valve (7) connects source of the gas (9), it is characterized in that: also comprise several along auxiliary two nozzles (2) that the reed groove of reed (11) is arranged, described several auxiliary two nozzles (2) are connected to one second electromagnetic valve (4) respectively; Described second electromagnetic valve (4) one ends are connected to said control panel; The other end is connected to the second auxilliary gas bag (6), and the said second auxilliary gas bag (6) connects second control valve (8), and said second control valve (8) connects said source of the gas (9).
2. wefting insertion according to claim 1 flow field forms system; It is characterized in that: described several auxiliary two nozzles (2) equate with described several pilot jets (1) quantity, and successively the interval be arranged on described several pilot jets (1) rear.
3. wefting insertion according to claim 2 flow field forms system, it is characterized in that: said pilot jet (1) is 11-14mm with the spacing distance of auxiliary two nozzles (2) at its rear.
4. form system according to claim 1 or 2 or 3 described wefting insertion flow fields, it is characterized in that: described several auxiliary two nozzles (2) one ends are fixed on the porous connecting plate (10), and said porous connecting plate (10) is fixed on the said reed (11); One side panel of said porous connecting plate (10) is provided with several cylindrical end tangs (1001); Described several cylindrical end tangs (1001) constitute one group in twos; And be provided with by a connecting through hole (1002) in one of them cylindrical end tangs (1001) in should organizing; Said connecting through hole (1002) UNICOM is positioned at the cavity (1003) of said porous connecting plate (10), said cavity (1003) through one be arranged on said porous connecting plate (10) low pressure air admission hole (1004) connect said second electromagnetic valve (4).
5. wefting insertion according to claim 4 flow field forms system; It is characterized in that: said auxiliary two nozzles (2) comprise that one is built-in with the L shaped nozzle body of cavity (202); Said L shaped nozzle body one end is provided with two cylindrical groove (203); And the said cavity of one of them cylindrical groove (203) UNICOM (202), the other end is provided with a fumarole (201), the said cavity of said fumarole (201) UNICOM (202); Said porous connecting plate (10) is arranged on fixing said auxiliary two nozzles (2) in the described cylindrical groove (203) through described cylindrical end tangs (1001); And the described cylindrical end tangs (1001) that is provided with connecting through hole (1002) matches with the cylindrical groove (203) of the said cavity of described UNICOM (202).
6. wefting insertion according to claim 5 flow field forms system, and it is characterized in that: the bore dia of said fumarole (201) is 1.5-1.8mm.
7. wefting insertion according to claim 5 flow field forms system, and it is characterized in that: the bore dia of said cylindrical groove (203) is 5.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205254006U CN202415852U (en) | 2011-12-15 | 2011-12-15 | Weft insertion flow field forming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205254006U CN202415852U (en) | 2011-12-15 | 2011-12-15 | Weft insertion flow field forming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202415852U true CN202415852U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205254006U Expired - Fee Related CN202415852U (en) | 2011-12-15 | 2011-12-15 | Weft insertion flow field forming system |
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| Country | Link |
|---|---|
| CN (1) | CN202415852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493103A (en) * | 2011-12-15 | 2012-06-13 | 江苏万工科技集团有限公司 | Weft insertion flow field forming system |
-
2011
- 2011-12-15 CN CN2011205254006U patent/CN202415852U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493103A (en) * | 2011-12-15 | 2012-06-13 | 江苏万工科技集团有限公司 | Weft insertion flow field forming system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20121215 |