EP3377684A1 - Doffervorrichtung mit doppelgreifer für eine spinnmaschine - Google Patents
Doffervorrichtung mit doppelgreifer für eine spinnmaschineInfo
- Publication number
- EP3377684A1 EP3377684A1 EP16794753.0A EP16794753A EP3377684A1 EP 3377684 A1 EP3377684 A1 EP 3377684A1 EP 16794753 A EP16794753 A EP 16794753A EP 3377684 A1 EP3377684 A1 EP 3377684A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gripping
- gripper
- bobbin
- axis
- spindle
- 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
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
- D01H9/04—Doffing arrangements integral with spinning or twisting machines
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
- D01H9/08—Doffing arrangements independent of spinning or twisting machines
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/001—Bobbin-taking arrangements
- D01H9/003—Graspers operating under the action of a fluid
Definitions
- the invention further relates to a method for removing full bobbins from spindles of a spinning machine and for placing empty tubes on the spindles with a doffer device, and a gripping device for a
- Doffer devices for spinning machines are well known.
- the doffer device has a plurality of gripping devices, so that everyone
- Spinning a gripping device is assigned.
- a gripping device on a gripper which initially decreases a full bobbin of a spindle and this settles, for example, on a pin of a conveyor belt. Then, the gripper grips an empty sleeve, for example, from a pin of a conveyor belt, and puts them on the spindle. Between the removal of the bobbin and the fitting of the sleeve, a bar of the doffer device, on which the gripping devices are arranged, must be moved from the spinning position to the conveyor belt and back to the spinning position. Due to the size of the
- a doffer device with gripping devices for solving this problem, each of which is provided with two controllable gripper elements for gripping sleeves and coils.
- the gripping elements are housed in a turntable, which is driven by means of a Versteilantriebes.
- a Versteilantriebes For a Doffvorgang first engages the first gripping element an empty sleeve. Then the bar of the doffer device moves the gripping devices together with the empty one Pods to the spinning stations. At the spinning position, the second gripping element now removes the full bobbin from the spindle. Then the Versteilantrieb rotates the turntable, so that the first gripping element is placed with the empty sleeve on the spindle.
- the first gripping element sets the empty sleeve on the spindle. Once this is done, the spinning process can be continued.
- this doffer device is that the gripping devices with the turntables require more space in the direction of the longitudinal axis of the spinning machine than is present between two spinning stations of many modern spinning machines.
- FR589966 discloses a double dipper gripper which laterally picks up the finished cops and places them on empty tubes.
- a disadvantage of this embodiment is the lower attachment of the sleeves / cops, as this represents a stability problem.
- Object of the present invention is thus to provide a doffer device, a method and associated gripping devices that allow a quick Doffvorgang with limited space.
- Object of the present invention is also to provide a doffer device, a method and associated gripping devices that allow a secure fit of the sleeve and coil.
- the object is achieved by a doffer device, a method for removing full bobbins from spindles of a spinning machine and for placing empty tubes on the spindles with a doffer device and gripping devices for a Doffer device with the features of the independent claims.
- the dependent claims are the subject of advantageous embodiments.
- the doffer device for a spinning machine with a plurality of spinning stations, for removing full bobbins of spindles of the spinning machine and for placing empty tubes on the spindles.
- the doffer device has at least one bar and a plurality of gripping devices, so that each spinning station is assigned a gripping device.
- the gripping devices are attached to the at least one beam. Furthermore, the at least one beam is movable so that it the gripping devices in the relevant for the Doffvorgang
- Positions can bring, for example, to a conveyor belt to pick up the empty tubes and set down the full coils and the spindles to remove the full bobbin and put the empty pods.
- the gripping devices each have a main body and a rotatable
- the gripping unit comprises a coil gripper and a
- the bobbin winder is designed to grip the full bobbin and the tube gripper to grip the empty bobbin.
- the doffer device has a rotating device for rotating the
- the rotating device comprises rotating means and a drive means.
- each gripping device is associated with one of the rotating means and the drive means associated with a plurality of gripping devices.
- the rotating device is designed so that it can rotate two adjacent gripping units offset in time. Namely, if adjacent gripping units are not rotated simultaneously, then the rotation of one gripping unit does not hinder the rotation of the other gripping unit.
- a construction of the doffer device is enabled, the a quick Doffvorgang even with limited space allowed.
- the doffer device can be driven with a toothed belt.
- each gripping unit has two
- Indicators with which the position of the rotating device is visible through a body. If a malfunction has occurred and the operator has to re-engage or set up a gripping unit, he can thus recognize the correct position from the outside.
- the two indicators must be alternately set in adjacent gripping units, so that the gripping units can be positioned and the missing gripping unit can be used correctly.
- the bobbin winder has a coil receptacle open at the bottom and the tube gripper has a downwardly open sleeve receptacle which can be slipped over the bobbin or the sleeve for gripping from above.
- the tube gripper and the coil gripper can be cylindrical or conical.
- the conical design has the advantage of better retention of sleeve and coil, especially if both
- the drive means comprises a motor and a drive belt. It is conceivable that each gripper device is associated with a motor and these motors are controlled so that they rotate two adjacent gripping units offset in time to each other. However, a motor can drive the drive belt, so that the rotations of the gripping units are centrally controlled the drive belt, which is especially in the case of many gripping devices is the cheaper alternative.
- the rotating means comprise gears and the drive means has at least one toothed area.
- the gears are connected to the gripping devices and the toothed portion of the drive means engages the gears.
- the positive connection ensures a reliable operation of the gripping units and a linear movement of the toothed area is converted into a rotational movement of the gears.
- the overload protection is a slip clutch, as this is both inexpensive and reliably fulfills its purpose.
- the gears on untoothed areas are untoothed areas. Now, if the drive means is moved, rotation takes place in some gripping units and not in others, depending on whether a toothed portion of a gear meshes with the next gear or a ungebergerter portion of the gear passes the next gear. Will the gears of the
- the doffer device comprises at least one beam, a plurality of gripping devices and a
- the gripping devices are each a spinning station of
- Each gripping device has a base body and a rotatable gripping unit.
- the gripping unit is rotatable between a gripping position in which the coil is gripped on the spindle, and a Aufsetzwolf in which the sleeve is placed on the spindle. This rotation is carried out by the rotating device.
- Each gripping unit has a tube gripper for gripping the empty tube and a spool gripper for gripping the full spool.
- the tube gripper grips the empty tube. Then the bobbin gripper picks up the full bobbin from the spindle and removes it. In addition, the gripping unit is rotated from the gripping position to the set position, so that the
- Tube gripper can put the empty sleeve on the spindle.
- the rotation from the gripping position into the set-up position takes place in such a way that two adjacent gripping units are rotated with respect to one another in terms of time.
- the adjacent gripping units do not interfere with each other even in a limited space when turning and a quick Doffvorgang is possible.
- the doffer device is provided with a toothed belt
- the temporally staggered rotation of the gripping units can be realized well if the gripping units are assigned to two groups. In each case two adjacent gripping units belong to different groups, that is, the gripping units belong alternately to one and the other group.
- Gripping units are then the gripping units of a group simultaneously, but shifted in time to the gripping units of the other group rotated.
- This division of the gripping units into two groups makes it simple, but very effective, to ensure that adjacent gripper units are rotated in time relative to one another.
- each gripping unit has two
- Indicators with which the position of the rotating device is visible through a body. If a malfunction has occurred and the operator has to re-engage or set up a gripping unit, he can thus recognize the correct position from the outside.
- the two indicators must be alternately set in adjacent gripping units, so that the gripping units can be positioned and the missing gripping unit can be used correctly.
- the gripping units are precisely positioned in the gripping position and / or setting position with respect to the spindle. With a well-positioned gripping unit, the removal of the full bobbin or the placement of the empty tube can be performed precisely, which favors a smooth Doffvorgang.
- the gripping device is designed for removing a full bobbin from a spindle of a spinning machine and for placing an empty tube on the spindle. It has a main body and a rotatable around a rotation axis gripping unit.
- the gripping unit is rotatable between a gripping position in which the coil is gripped on the spindle, and a Aufsetzwolf in which the sleeve is placed on the spindle. It comprises a bobbin wrench for gripping the full bobbin and a tube gripper for gripping the empty bobbin.
- a positioning means which precisely positions the gripping unit in the gripping position and / or setting position with respect to the spindle. If the bobbin winder or the tube gripper are precisely positioned, the removal of the full bobbin or the placement of the empty bobbin can be carried out precisely, which promotes a smooth doffing process.
- the gripping unit has a first gear.
- the rotational movement can be optimally controlled.
- the base body has at least one further gear, wherein the further gear or one of the further gears meshes with the first gear.
- the rotational movement can be carried out and transmitted easily and effectively.
- Gears having the positioning By a positioning means on the gear namely the beginning and / or end points of the rotational movement can be very well and precisely set.
- at least one of the gears on a unge leopardten area When the untoothed area passes the next gear, the next gear is not rotated.
- Gripping units rotated at a time and not rotated at a later time, or vice versa. This allows a special construction of a doffer device in which not all gripping units are rotated simultaneously.
- the overload protection is a slip clutch, as this is both inexpensive and reliably fulfills its purpose.
- the present invention is not limited to certain bobbin wrench or
- Tube gripper limited. However, it is advantageous if the shape of the coil gripper and the tube gripper are adapted to the geometry of the coil or sleeve, since these can then be particularly well grasped. Since the spool and sleeve are normally cylindrical, this means that the spool gripper has a cylindrical spool receptacle and the tube gripper has a cylindrical sleeve receptacle. However, conical grippers are conceivable within the scope of the invention.
- the bobbin receptacle has a bobbin gripper axis and a
- Bobbin diameter and the sleeve receptacle has a tube gripper axis and a tube gripper diameter.
- Sleeve gripper axis arranged at an angle to each other.
- this angle is between 4 ° and 10 °, more preferably 8 °.
- an increased risk of collision with parts of the machine or the adjacent grippers would threaten when turning the gripping unit, which is attempted to be avoided by the invention. Accordingly, said angular range has proved ideal.
- Spool gripper diameter are the same and in particular when the tube gripper and the bobbin wrench are substantially identical. That not only saves
- Coil gripper axis equal to the angle between the axis of rotation and the
- Sleeve gripper axis is. So can be achieved that after the rotation of
- Fig. 1a is a plan view of a detail of a doffer device
- Fig. 1b is a plan view of the detail of the doffer device of Figure 1 a
- Fig. 2a is a side view of a gripping device
- Fig. 2b is a schematic side view of a gripping unit
- 3a shows a plan view of a section of a further doffer device
- Fig. 3b is a plan view of the detail of the doffer device of Figure 3a
- FIG. 4a is a plan view of a detail of another doffer device
- 4b shows a front view of a section of a further doffer device
- Fig. 5 view of the body with two indicators. Ways to carry out the invention
- FIG. 1 a shows a plan view of a section of a doffer device 1 for a
- Gripping devices 10, 1 1, 12 comprise gripping units 20, 21, 22 with tube grippers 30, 31, 32 and spool grippers 40, 41, 42. Furthermore, first gear wheels 50, 51, 52 connected to the gripping units 20, 21, 22 are provided. The gripping devices 10, 1 1, 12 also have further gears 60, 61, 62, which engage in the first gears 50, 51, 52. Flattened points 70, 71, 72, 73 are provided on the first and further toothed wheels 50, 51, 52, 60, 61, 73, which act as positioning means and precisely position the gripping units 20, 21, 22 in the gripping position and the set-up position , For the sake of clarity, only the flattened locations 70, 71, 72, 73 for the gripping device 12 have been provided with reference numerals.
- the gripping devices 10, 1 1, 12 are moved by a bar, not shown here so that the tube grippers 30, 31, 32 can grip empty sleeves. Then, the gripping devices 10, 1 1, 12 so over spindles of Spinning machine moves that the bobbin wrench 40, 41, 42 full bobbins of the
- the rotation of the gripping units 20, 22 is well possible because the gripping unit 21 is not rotated and therefore they do not interfere with each other.
- Fig. 1 b shows the detail of the doffer device 1 at a later time.
- the gripping units 20, 22 have been rotated here already in the Aufsetzwolf, wherein in
- the tube grippers 30, 32 and the coil wrenches 40, 42 have changed their place.
- the toothed portion 3 now engages in the gear 61 and by the movement of the drive rod 2 in the direction of arrow A, the gripping unit 21 is rotated further. Characterized in that the gripping units 20, 22 are not rotated simultaneously with the gripping unit 21, they do not hinder the gripping unit 21 during rotation.
- Fig. 2a shows a side view of the gripping device 10. Also visible are the drive rod 2, the toothed portion 3 and the bar 5 of the doffer device.
- a main body 80 of the gripping device 10 has two legs 81, 82, which fix it to the beam 5 in the mounting plane B.
- the first gear 50 is how
- the gripping unit 20 rotates about a rotation axis D. Shown here are also a sleeve gripper axis H and a bobbin gripper axis S, wherein the angles between the Hülsengreiferachse H and the axis of rotation D and between the Spulengreiferachse S and the rotation axis D are each 4 °. The angle between the tube gripper axis H and the bobbin gripper axis S is thus 8 °. Furthermore, the
- the tube gripper axis H is vertical, and thus parallel to the axis of the spindle.
- the gripper unit 20 with the tube gripper 30 and the coil gripper 40 are shown in detail in FIG. 2b.
- the tube gripper 30 is provided with a clamping element 90 and the spool gripper 40 with a membrane 100.
- the clamping element 90 has a non-slip clamping region 91 and is rotatably mounted about an axis 92. At the clamping region 91 opposite side of the axis 92, a pin 93 and a return spring 94 act on the clamping element 90. In this case, the pin 93 is connected to a pneumatic line 95.
- the pin 93 is pressed via the pneumatic line 95 to the clamping member 90, so that the clamping portion 91 holds the sleeve. If the sleeve is then released again, the pressure in the pneumatic line 95 is reduced and the return spring 94 retracts the clamping element 90 and releases the sleeve.
- the membrane 100 is connected to a pneumatic line 101. If a coil to be grasped, the membrane 100 via the
- pneumatic line 101 inflated and encloses the coil. If the coil is then released again, the air pressure in the pneumatic line 101 and thus in the membrane 100 is reduced and the coil is released again.
- tube grippers and coil grippers are pneumatically operated.
- the tube gripper and the bobbin winder may be conical (not shown).
- the conical design has the advantage of a better hold of the sleeve and coil, especially when both are pneumatically operated, since the membrane adapts better to sleeve and coil.
- 3a shows a plan view of a detail of a further embodiment of a doffer device 6 according to the invention.
- a continuously toothed drive rod 7 is provided. This engages in with the main bodies of the gripping devices 10, 1 1, 12 further connected gears 63, 64, 65 a. These further gears 63, 64, 65 in turn engage with the gripping units 20, 21, 22 connected first gears 53, 54, 55 a.
- the further toothed wheels 63, 64, 65 are not toothed throughout, but have non-toothed regions 11, 11, 12. The untoothed area 1 1 1 is positioned differently than the non-toothed areas 1 10, 1 12.
- FIG. 3b shows the doffer device during this rotation. Since the gripping units 20, 22 do not rotate, the gripping unit 21 has enough space for turning.
- the untoothed portion 1 1 1 of the second gear 64 is designed so that it arrives at the first gear 54 when the gripping unit 21 is finished rotated. Then also the other gears 63, 65 start in the first gears 53, 55th
- FIGS. 1a and 1b and 3a and 3b respectively, their configuration is described and / or mode of action are identical and / or at least comparable, same
- a drive belt 121 is used here instead of the drive rod.
- a further gear 66 is provided, which meshes with the further gear 63 and the drive belt 121. Due to the illustrated translation of the further gear 66, the applied by the drive belt 121 traction is reduced.
- FIGS. 1a and 1b, 3a and 3b and 4a respectively shows a frontal view of a section of a further embodiment of a doffer device 8 according to the invention.
- third embodiments in their design and / or mode of action are identical and / or at least comparable, same
- This embodiment has two continuously toothed drive rods 7, 9. Further, the second gears 60, 61 arranged on the base bodies 80, 83 of the gripping devices 10, 1 1, that the second gear 60 in the
- FIG. 5 shows a basic body 80 with two indicators 130, 131 according to the invention. The indicators 130, 131 are mounted at the top and indicate to an operator where the gripping unit 20 is located.
- the two indicators 130, 131 must be set alternately in adjacent gripping units 20, so that the gripping units can be positioned and the missing gripping unit can be inserted correctly.
- elevated positions 132, 133 which are offset at a certain point on the gearwheel 50, 51 53 (FIGS. 1 a, b), 63, 64, 65 (FIGS. 3 a, b), etc., respectively work together with indicators 130, 131.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH01687/15A CH711798A1 (de) | 2015-11-19 | 2015-11-19 | Doffervorrichtung für eine Spinnmaschine. |
| PCT/IB2016/056705 WO2017085588A1 (de) | 2015-11-19 | 2016-11-08 | Doffervorrichtung mit doppelgreifer für eine spinnmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3377684A1 true EP3377684A1 (de) | 2018-09-26 |
| EP3377684B1 EP3377684B1 (de) | 2020-07-15 |
Family
ID=57286766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16794753.0A Active EP3377684B1 (de) | 2015-11-19 | 2016-11-08 | Doffervorrichtung mit doppelgreifer für eine spinnmaschine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10954610B2 (de) |
| EP (1) | EP3377684B1 (de) |
| JP (1) | JP6979949B2 (de) |
| CN (1) | CN108350613B (de) |
| CH (1) | CH711798A1 (de) |
| WO (1) | WO2017085588A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH713482A1 (de) * | 2017-02-23 | 2018-08-31 | Rieter Ag Maschf | Verfahren zum Doffen für eine Spinnmaschine und entsprechender Doffer. |
| CH715389A1 (de) | 2018-09-27 | 2020-03-31 | Rieter Ag Maschf | Greifer zum Greifen einer Spule oder Spulenhülse. |
| CN111097629A (zh) * | 2019-12-31 | 2020-05-05 | 东阳市晶盈厨具制造有限公司 | 一种厨具锅喷漆工艺流水线 |
| CN115142158B (zh) * | 2021-03-30 | 2023-09-15 | 合肥松宝科技有限公司 | 一种满丝筒收取设备 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1496079A (en) * | 1924-04-28 | 1924-06-03 | Doffing mechanism | |
| US1670580A (en) * | 1927-07-29 | 1928-05-22 | Jr William J Kerwin | Doffing arrangement |
| GB663119A (en) * | 1948-06-29 | 1951-12-19 | British Celanese | Improvements in ring spinning machines |
| DE1175587B (de) | 1960-07-13 | 1964-08-06 | Deering Milliken Res Corp | Vorrichtung zum Auswechseln voller Spulen gegen leere Spulenhuelsen bei Spinnmaschinen, insbesondere Ringspinnmaschinen, und Zwirnmaschinen |
| FR1301145A (fr) | 1961-09-08 | 1962-08-10 | Chemstrand Corp | Dispositif automatique de changement de bobines pour appareils de bobinage de fils |
| DE1282526C2 (de) * | 1964-12-19 | 1973-05-10 | Zinser Textilmaschinen Gmbh | Pneumatischer Greifer zum Erfassen von Spulen bzw. Huelsen an Spulenwechselvorrichtungen |
| BE897776A (fr) * | 1983-09-19 | 1984-01-16 | Houget Duesberg Bosson | Procede et appareillage pour le remplacement des bobines pleines sur un metier a filer continu |
| IT1187551B (it) * | 1985-03-26 | 1987-12-23 | Cerimates Spa | Dispositivo di levata spole per filatoi ad anelli |
| DE3640002A1 (de) * | 1986-11-22 | 1988-05-26 | Zinser Textilmaschinen Gmbh | Verfahren und vorrichtung zum automatischen gleichzeitigen abziehen von spulen und nachfolgendem gleichzeitigen aufstecken von huelsen auf spindeln einer spinn- oder zwirnmaschine |
| DE3927829A1 (de) * | 1989-08-23 | 1991-02-28 | Schlafhorst & Co W | Vorrichtung zum garntraegerwechsel in einer spinn- oder zwirnmaschine |
| CH698344A2 (de) * | 2008-01-15 | 2009-07-15 | Rieter Ag Maschf | Spulenwechseleinrichtung an einer Spinnmaschine. |
| CN202401189U (zh) * | 2011-11-25 | 2012-08-29 | 侯国阳 | 一种用于细纱机上的旋转摆动式自动落纱装置 |
| CN103556323B (zh) * | 2013-11-13 | 2016-06-15 | 清华大学 | 短环锭纺落纱机接触解锁式快速握纱机构 |
-
2015
- 2015-11-19 CH CH01687/15A patent/CH711798A1/de not_active Application Discontinuation
-
2016
- 2016-11-08 EP EP16794753.0A patent/EP3377684B1/de active Active
- 2016-11-08 WO PCT/IB2016/056705 patent/WO2017085588A1/de not_active Ceased
- 2016-11-08 CN CN201680067672.1A patent/CN108350613B/zh active Active
- 2016-11-08 JP JP2018526202A patent/JP6979949B2/ja not_active Expired - Fee Related
- 2016-11-08 US US15/777,005 patent/US10954610B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP6979949B2 (ja) | 2021-12-15 |
| CH711798A1 (de) | 2017-05-31 |
| US10954610B2 (en) | 2021-03-23 |
| WO2017085588A1 (de) | 2017-05-26 |
| CN108350613B (zh) | 2021-11-09 |
| US20180327936A1 (en) | 2018-11-15 |
| EP3377684B1 (de) | 2020-07-15 |
| JP2018538456A (ja) | 2018-12-27 |
| CN108350613A (zh) | 2018-07-31 |
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