EP1181402A1 - Greifer und vorrichtung zum eintragen eines schussfadens - Google Patents
Greifer und vorrichtung zum eintragen eines schussfadensInfo
- Publication number
- EP1181402A1 EP1181402A1 EP00915078A EP00915078A EP1181402A1 EP 1181402 A1 EP1181402 A1 EP 1181402A1 EP 00915078 A EP00915078 A EP 00915078A EP 00915078 A EP00915078 A EP 00915078A EP 1181402 A1 EP1181402 A1 EP 1181402A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clamping
- gripper
- torsion bar
- housing
- hook
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
- D03D47/20—Constructional features of the thread-engaging device on the inserters
- D03D47/23—Thread grippers
-
- 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
- D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
- D03D47/20—Constructional features of the thread-engaging device on the inserters
- D03D47/23—Thread grippers
- D03D47/233—Carrying grippers
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
- D03J5/00—Shuttles
- D03J5/06—Dummy shuttles; Gripper shuttles
Definitions
- the innovation concerns a gripper according to the
- Preamble of claim 1 and a device for inserting a weft thread and a weaving machine with such a device.
- Grippers with differently designed thread clamps are known.
- the thread clamps are in
- the fixed clamping part is designed as a housing with a hook-shaped clamping section for receiving a weft thread and the movable clamping part is designed as a clamping tongue which can be displaced in the longitudinal direction of the housing under the action of a helical spring in order to clamp the weft thread.
- the actuator is connected to the clamping tongue to guide and move the clamping tongue against the spring action in the housing.
- the fixed clamping part is designed as a housing with a hook-shaped clamping section for receiving a weft thread and the movable clamping part as a clamping lever which, under the action of a coil spring, can be pivoted about an axis running transversely to the longitudinal direction of the housing in order to clamp the weft thread.
- the use of the coil spring proves to be disadvantageous because space and means for holding and / or guiding the same have to be provided for this purpose.
- the innovation is based on the task of improving a gripper.
- a device for inserting a weft thread is characterized by the features of claim 8.
- Fig.l A view of a gripper according to the innovation
- FIG. 3 shows a view in the direction of arrow D in Fig.l;
- FIG. 5 shows a section along the line VV in Fig.l and 6 shows a section along the line VI-VI in Fig.l.
- FIGS. 1 and 2 show a gripper 1 with a section 2 of a gripper belt.
- the gripper 1 has a housing 4, a clamping part 5, a clamping unit 6 and a tab 7 for actuating the clamping unit.
- the housing 1 is made of plastic and has a bore 8 for receiving the clamping unit 6.
- the clamping part 5 is made of metal and is connected to the housing 4.
- the clamping part 5 has a section 11 for fastening to the housing 4, a hook-shaped section 12 for receiving a weft thread and a shoulder 13 which engages over the hook band 2 in order to prevent damage to the warp threads when a weft thread is inserted.
- the hook-shaped section 12 is provided with a clamping surface (not shown).
- a bore 14 is formed in the hook-shaped section.
- the clamping unit 6 comprises a tubular shaft part 21, a clamping tongue 22 and a torsion bar 23 which is arranged in the shaft part and at one end with the
- Shaft part 21 is connected by means of a pin 24.
- the shaft part 21 has two annular projections 25 in order to support the shaft part 21 in the area of the tab 7.
- the clamping tongue 22 is provided with a connecting part 26 which is connected to the shaft part at one end and has a guide pin 27 at the other end.
- the clamping tongue 22 is connected to the connecting part 26 adjacent to the guide pin 27 such that the clamping tongue 22 projects radially from the connecting part 26.
- the clamping unit has a sleeve 28 with a
- the sleeve 28 is rotatably arranged in the bore 8 of the housing 1 and connected to the torsion bar 23 by means of a pin 30.
- the sleeve 28 also serves to fix the clamping unit 5 in the housing 1.
- FIGS. 3 and 4 As the figures show, the hook-shaped section 12 and the clamping tongue 22 each have clamping surfaces 33, 34 arranged at 45 ° and provided with grooves 35. This has the
- the clamping surfaces are increased or the number of grooves is increased, so that the clamping length for the weft thread 36 is lengthened, the friction is greater and the clamping force can be lower in order to avoid damage to the weft thread.
- FIG. 5 shows the tab 7 for actuating the clamping part 5 by means of clamps with the shaft part 21.
- a screw 37 is provided.
- a clamping block 41 with a screw 42 is arranged in the housing 4 in order to firmly clamp the sleeve 28.
- the clamping unit 6 is fixed in the housing 1 using the sleeve 28.
- the clamping force is set according to the properties of a weft thread.
- the clamping of the sleeve 28 is released by loosening the screw 42 and the sleeve is rotated using a tool (not shown).
- the rotary movement of the clamping tongue is pivoted with respect to the hook-shaped section 12.
- the clamping of the sleeve 28 is restored by tightening the screw (Fig. 6).
- the tab 7 is displaced by an actuator (not shown) provided in the raceway of the gripper and the clamping tongue 22 is thereby pivoted with respect to the hook-shaped section 12 and the weft thread is received in the hook-shaped section.
- the clamping tongue is reset due to the elasticity of the clamping unit 6.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29908675U | 1999-05-17 | ||
DE29908675U DE29908675U1 (de) | 1999-05-17 | 1999-05-17 | Greifer und Vorrichtung zum Eintragen eines Schußfadens |
PCT/CH2000/000220 WO2000070136A1 (de) | 1999-05-17 | 2000-04-17 | Greifer und vorrichtung zum eintragen eines schussfadens |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1181402A1 true EP1181402A1 (de) | 2002-02-27 |
EP1181402B1 EP1181402B1 (de) | 2004-01-21 |
Family
ID=8073627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00915078A Expired - Lifetime EP1181402B1 (de) | 1999-05-17 | 2000-04-17 | Greifer und vorrichtung zum eintragen eines schussfadens |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1181402B1 (de) |
JP (1) | JP4463433B2 (de) |
KR (1) | KR100610393B1 (de) |
CN (1) | CN1140657C (de) |
AT (1) | ATE258242T1 (de) |
AU (1) | AU3652000A (de) |
DE (2) | DE29908675U1 (de) |
TW (1) | TW508383B (de) |
WO (1) | WO2000070136A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29908675U1 (de) * | 1999-05-17 | 1999-08-12 | Textilma Ag, Hergiswil | Greifer und Vorrichtung zum Eintragen eines Schußfadens |
EP2388361A1 (de) * | 2010-05-18 | 2011-11-23 | Textilma AG | Greifer und Schussfadeneintragvorrichtung für eine Greiferwebmaschine |
IT201700066823A1 (it) * | 2017-06-15 | 2018-12-15 | Itema Spa | Sistema perfezionato di presa/rilascio del filo di trama in un telaio tessile a proiettile |
CN107904756B (zh) * | 2017-12-14 | 2019-08-20 | 东华大学 | 碳纤维扩展扁丝织造用剑杆夹头 |
EP3822400B1 (de) * | 2019-11-13 | 2024-01-03 | Picanol | Beweglicher hebel für eine fadenklemme für einen greifer |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1087088B (de) * | 1955-08-29 | 1960-08-11 | Victor Marie Joseph Ancet | Vorrichtung zum Eintragen des Schussfadens bei schuetzenlosen Webmaschinen |
ES343664A1 (es) * | 1967-07-13 | 1968-09-01 | Balaguer Golobart | Perfeccionamientos en los organos aprehensores de hilos de trama en los elementos insertadores. |
DE29908675U1 (de) * | 1999-05-17 | 1999-08-12 | Textilma Ag, Hergiswil | Greifer und Vorrichtung zum Eintragen eines Schußfadens |
-
1999
- 1999-05-17 DE DE29908675U patent/DE29908675U1/de not_active Expired - Lifetime
-
2000
- 2000-04-17 AU AU36520/00A patent/AU3652000A/en not_active Abandoned
- 2000-04-17 AT AT00915078T patent/ATE258242T1/de not_active IP Right Cessation
- 2000-04-17 KR KR1020017004854A patent/KR100610393B1/ko not_active IP Right Cessation
- 2000-04-17 CN CNB008074275A patent/CN1140657C/zh not_active Expired - Fee Related
- 2000-04-17 JP JP2000618537A patent/JP4463433B2/ja not_active Expired - Fee Related
- 2000-04-17 DE DE50005091T patent/DE50005091D1/de not_active Expired - Lifetime
- 2000-04-17 EP EP00915078A patent/EP1181402B1/de not_active Expired - Lifetime
- 2000-04-17 WO PCT/CH2000/000220 patent/WO2000070136A1/de active IP Right Grant
- 2000-05-02 TW TW089108336A patent/TW508383B/zh not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0070136A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1181402B1 (de) | 2004-01-21 |
ATE258242T1 (de) | 2004-02-15 |
KR100610393B1 (ko) | 2006-08-09 |
TW508383B (en) | 2002-11-01 |
AU3652000A (en) | 2000-12-05 |
JP2002544407A (ja) | 2002-12-24 |
WO2000070136A1 (de) | 2000-11-23 |
CN1350605A (zh) | 2002-05-22 |
DE29908675U1 (de) | 1999-08-12 |
KR20010075642A (ko) | 2001-08-09 |
CN1140657C (zh) | 2004-03-03 |
JP4463433B2 (ja) | 2010-05-19 |
DE50005091D1 (de) | 2004-02-26 |
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